Tag Archives: block pulley

China Good quality Wholesale 15ton Electrical Hoist Chain Pulley Block near me supplier

Product Description

Electric chain hoist engine hoist/lifting equipments fixed hoist

Type Capacity(ton) Lifting height(m) Lifting speed(m/min) Lifting motor
Power(kw) Rotation speed(r/min) Phases Voltage(v) Frequency
DLHK00501 0.5 3/9 6.8 0.75 1440 3 380 50
DLHK5712 1 3/9 3.4 0.75 1440 3 380 50
DLHK5711 1 3/9 6.6 1.5 1440 3 380 50
DLHK01501 1.5 3/9 8.8 3 1440 3 380 50
DLHK5711 2 3/9 6.6 3 1440 3 380 50
DLHK5712 2 3/9 3.3 1.5 1440 3 380 50
DLHK57101 2.5 3/9 5.4 3 1440 3 380 50
DLHK0301 3 3/9 5.4 3 1440 3 380 50
DLHK0302 3 3/9 2.2 3 1440 3 380 50
DLHK0303 3 3/9 2.7 1.5 1440 3 380 50
DLHK0502 5 3/9 2.7 3 1440 3 380 50
DLHK5713 7.5 3/9 1.8 3 1440 3 380 50
DLHK1004 10 3/9 2.7 3.0*2 1440 3 380 50
DLHK1004 10 3/9 2.7 3.0*2 1440 3 380 50
DLHK1506 15 3/9 1.8 3.0*2 1440 3 380 50
DLHK2008 20 3/9 1.4 3.0*2 1440 3 380 50
DLHK2508 25 3/9 1.3 3.0*2 1440 3 380 50
DLHK3571 30 3/9 1 3.0*2 1440 3 380 50
DLHK3512 35 3/9 0.9 3.0*2 1440 3 380 50

 

Type Operation motor I-beam(mm)
Power(kw) rotation speed(r/min) phases voltage(v) Frequency(hz/s) Rotatio speed(r/min)
DLHK00501 0.4 1440 11/21 3 380 50 58-153
DLHK5712 0.4 1440 11/21 3 380 50 58-153
DLHK5711 0.4 1440 11/21 3 380 50 58-153
DLHK01501 0.4 1440 11/21 3 380 50 82-178
DLHK5711 0.4 1440 11/21 3 380 50 82-178
DLHK5712 0.4 1440 11/21 3 380 50 82-178
DLHK57101 0.75 1440 11/21 3 380 50 100-178
DLHK0301 0.75 1440 11/21 3 380 50 100-178
DLHK0302 0.75 1440 11/21 3 380 50 100-178
DLHK0303 0.75 1440 11/21 3 380 50 100-178
DLHK0502 0.75 1440 11/21 3 380 50 100-178
DLHK5713 0.75 1440 11/21 3 380 50 100-178
DLHK1004              
DLHK1004 0.75 1440 11/21 3 380 50 150-220
DLHK1506 0.75*2 1440 11/21 3 380 50 150-220
DLHK2008 0.75*2 1440 11/21 3 380 50 150-220
DLHK2508 0.75*2 1440 11/21 3 380 50 150-220
DLHK3571              
DLHK3512              

1:shell:Light aluminum alloy shell shall be adopfed which is light but hard and fit for the use in the femible work environment with a high heat dissipation rate and all tightness design.
2:Inverse phase sequnce protecting device:If is the special electrical installation which control the circuit not to work in case of wiring error in the power supply
3:Limit switch:The limit swifch device is installed where the weight is lifted on and off to make the motor to stop aufomatically so as to prohibit the chains from exceeding for safety.
4:24v/36v device;It is used to prohibit the emergencies from occurring in case of the leakage in the swifch
5:Side magnetic braking device:This device shall realize the instant brake in case of te power dump
6:Chain bag:It shall be light ,handsome and durable.
7:Chain:The chain shall adopt the imported fec80 ultra heat-treatable steel alloy chain.

Certifications

Details Images

The quality comparison of spare parts

Factory

Payment

Our Service

FAQ
Q1. What's information should I provide to get the price?
A:1. Chain quality? 2.the chain size? 3. the working voltage? 4. the machine frequency?

Q2. What's the lead time for regular order?
A: The normal delivery time is 60-120 days. If you have special needs or if the quantity is greater than 1 set, please explain
when making an inquiry. When we quote, we will provide you with accurate delivery time according to the actual situation.

Q3. The space of my workshop is limited, can the machine is ok for me?
A: We have been specializing in European machines for 20 years. Machines are 1 of the biggest features of our products.According to your needs, our designers will tailor-made products suitable for your use.

Q4.Can you provide lifting tools?
A: Yes, we can provide any type of lifting tools such as Manual chain hoists, manual lever chain hoist, electric chains
hoists,chains, slings, hooks, electromagnetics, grabs, beams, etc.non-standard fixtures, etc... Welcome to consult

Q5. Is it OK to print my logo on the product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q6. Are there any professional technicians to assist our installation?
A: Yes. We have a professional installation team, who has already been to many countries to assist the installation. If you need our technicians to offer this service, please let us know in advance. So that we can arrange the suitable technicians to your country.

Q7. How do you ship the goods and how long does it take to arrive?
A: Small products can be transported by air, and large products can be transported by sea. According to different countries and regions, the specific time will be confirmed according to the actual situation.

Q8. What is your terms of payment?
A: Payment=1000USD, 30% T/T in advance ,balance before shipment. We'll show you the photos or videos of the products and packages before you pay the balance.

Q9. What is your terms of packing?
A: Generally, we pack our goods in neutral wooden boxes. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters. There is no package of big machines,there are just protective covers.

Q10. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q11. How to proceed an order for hoist?
A: Firstly let us know your requirements or application:Hoists capacity, chains length and others? Secondly We quote according to your requirements or our suggestions.Thirdly customer confirms the samples and places deposit for formal order. Fourthly We arrange the production.

Q12. Do you offer guarantee for the products?
A: Yes, we offer 1-3 years warranty to our products..

What Is a Pulley?

The pulley is a wheel mounted on a shaft or axle. Its purpose is to support the movement of a cable that is taut. This cable transfers power to a shaft. However, there are certain safety precautions that you should follow when using a pulley. Read on to learn more! Listed below are common uses and their main parts. Listed below are some of the benefits of using a pulley.
pulley

Common uses of a pulley

A pulley is a common mechanical device used to increase the force needed to lift a heavy object. Most commonly, these devices are used in construction equipment. These machines use high-10sion ropes to transfer heavy objects from 1 floor to another. Other common uses of a pulley include buckets and flagpoles. These devices are extremely useful in a wide range of applications. To learn more about the common uses of pulleys, keep reading.
A pulley is a wheel with grooves for holding rope. Its purpose is to change the direction and point at which a pulling force acts. It is usually used in sets to reduce the amount of force needed to lift a load, but the work involved is similar. Pulleys are also used in rock climbing devices. For many applications, a pulley is a vital part of construction.
The most common use of a pulley involves hoisting and lowering a flag. Other examples include clotheslines, bird feeders, and escalators. Pulleys are also commonly used on oil derricks. Many other common applications include hoisting and lowering garage doors. Pulley systems are also used in engines and cranes. For more information, check out our interactive pulley diagram!
Pulleys can also be used to lower total work required for a task. In many cases, a pulley will consist of 2 parts: the pulley hub and the shaft pulley. The hub clamps the shaft pulley, while the pulley itself is connected to the motor or other device. If you're looking for a pulley, it's important to learn how it works.
The most common uses for a pulley involve lifting heavy objects, and the mechanism used to lift them is known as a pulley. A pulley is an industrial device that uses 2 wheels to reduce the force needed to lift a weight. The pulley reduces this force by half by allowing the user to pull on the rope 4 times as far. The pulley also allows for a smaller lifting distance.

Main parts of a pulley

A pulley consists of the main element of a system. This is typically a cable, rope, belt, or chain. There are 2 basic types of pulleys - a Driver Pulley and a Follower Pulley. Pulleys are available in small and large sizes. The periphery part of the pulley is called the Face, and the protruding middle part is called the Crown. A pulley's face can be round, rectangular, or even "V" shaped.
The first pulley was created by the Greek mathematician Archimedes in the third century BCE. These simple machines are made of a rope, an axle, and a wheel. The pulley's end is attached to a person, object, or motor. These machines can be used in various tasks to lift heavy objects. The pulley is a great mechanical advantage for any lifter.
The ideal mechanical advantage of a pulley is defined by the number of rope segments that pull an object. The higher the number of loops on the rope, the higher the mechanical advantage. The greater the mechanical advantage, the less force is required to move the object. Likewise, the greater the distance the rope traverses, the higher the mechanical advantage of a pulley. There are several different types of pulley, depending on their combination of rope, wheel, and rope.
The basic components of a pulley are the face and hub, and the rope is threaded into the center of the pulley. The pulley is usually made of a rope and can be used to lift heavy weights. It can also be used to apply great force in any direction. Step pulleys have multiple faces, which are fixed in sequence. They can also increase the speed of the driven pulley.
A pulley is a simple machine consisting of a wheel, rope, or chain. These parts are crucial for making moving and lifting easier. Because they change the direction and magnitude of force, they can be a useful tool. Some pulleys even change direction. You can learn more about the pulley by downloading this resource today. The resources are designed to support the new 9-1 GCSEs in Design & Technology and Engineering.
pulley

Mechanical advantage

Pulleys have been used to move heavy objects for centuries. When 2 rope sections are used, the weight of a 100kg mass can be moved with only 500 newtons of force. Adding an extra pulley increases the mechanical advantage. If the pulley has 2 wheels, the distance between the rope sections and the wheel grooves is only half the distance, but the mechanical advantage still applies. Adding another pulley increases the mechanical advantage, but can be risky.
Mechanical advantage is the ratio of force used versus force applied. The calculations are made under the assumption that the ropes and weights do not elongate or lose energy due to friction. If the weights are very light, the mechanical advantage is greater than that in the real world. To calculate the mechanical advantage, the weight of the load to be lifted must be the same as the weight of the person using the pulley.
A single moveable pulley has a mechanical advantage of two. The weight passes around the pulley, and 1 end of the rope is attached to a fixed point. The pulling force is then applied to the other end of the rope. The distance the weight travels doubles, or halved, depending on the direction of the pulley. Adding a second pulley reduces the distance and the effort required to lift it.
There are several ways to calculate the mechanical advantage of a pulley system. Some methods are specific to certain types of systems, while others work for all systems. The T-Method is a good choice in many applications, as it calculates the units of tension for each rope segment. Once you have determined the input force, you need to determine the maximum force that will be applied to each component. A compound pulley, for example, will require 4 units of tension for each rope segment.
In simple terms, the effort is the amount of force needed to lift the load. This force is measured in newtons (N). A mechanical advantage is often presented without units. If the student does not have this unit, you may need to convert the units to newtons, since 1 kilogram is equal to 10 newtons. If you can't figure out the units of effort, you can use the KWL chart provided by the teacher.
pulley

Safety precautions

There are a few safety precautions you should take when using a pulley. First, always check the SWL (safe working load) before attaching anything to the pulley. This indicates the maximum weight and angle the pulley can safely handle. Second, make sure that your work area is free from people and debris. Third, wear a hard hat to protect your head from blows and falling objects.
Another important consideration is anchoring. Although the pulley reduces the weight of an object, it is not enough to eliminate the weight. This is especially true if you are hoisting a heavy object, such as a motorcycle or lawnmower. It is important to ensure that the anchoring point can support the entire weight of the load. It is also important to follow proper anchoring procedures when using a pulley to lift a motorcycle or lawnmower.
In addition to the safety latch, you should use a tag line to control the suspended load. Remember that a chain pulley block is necessary for vertical lifting. You should also wear personal protective equipment (PPE) while using a pulley to avoid injuries. If your workplace does not have an PPE policy, you should consider implementing a similar policy. These safety guidelines are a good start.
If you are using a pulley to lift heavy objects, make sure to wear gloves. Those who are not familiar with rope-pulling will have an easier time demonstrating how it works. If you are using a rope-pulley system in a classroom, be sure to follow lab safety guidelines. Wear cloth gloves, clear the area, and do not jerk the rope. In addition, never allow yourself to be pulled into the rope by an unfamiliar person.
Another important safety precaution when using a pulley is to ensure that the anchor point for your system is adequate to support the weight of the object being lifted. Check with the manufacturer of the pulley to find out what its weight limit is, as some types of pulleys are designed to lift much heavier weights than others. It is important to follow all manufacturer's instructions when using a pulley.

China Good quality Wholesale 15ton Electrical Hoist Chain Pulley Block     near me supplier China Good quality Wholesale 15ton Electrical Hoist Chain Pulley Block     near me supplier

China factory 1ton Hsz-a Series Manual Chain Pulley Block Wholesale with Good quality

Product Description

1Ton HSZ-A Series Manual Chain Pulley Block Wholesale
 

CB-B Series Chain Pulley Block is a portable lifting device easily operated by hand. It is suitable for using in factory, workshop, plant, agricultural production and in docks and storage for fixing machines, lifting cargo and loading and unloading goods. It is especially advantageous for lifting work in the power supply is not available. The chain pulley block can be attached to a trolley of any type as a travelling chain pulley block. It is suitable to monorail overhead conveying system, had travelling crane and jib crane.

Chain Pulley Block Features:

Chain Pulley Block Chain Hoist:
Capacity: From 1T to 3T
This innovative and patented hand chain hoist the CZPT forge 360 is designed for heavy industrial applications.
This 360 rotating hand chain CZPT allows hoist operations from various angles and helps the operator stay out of the danger zone.
Premium brake system ensures safe operation, low maintenance and is extremely quiet.
Sealed Roller Bearings

Easy to install:
Compact design and low headroom make the series simple to install even in confined working areas. No adjustments necessary.

Strength:
Equipped with hardened load chain for optimum strength, flexibility and long wear life.

Low maintenance:
Enclosed housing allows outdoor use.
The load brake requires no lubrications.

Quality features:
1. Wheel cover with CZPT slots guard against jamming and slipping of chain.
2. Forged swivel hooks and latches prevent twisting of chain and reduce unintentional unhooking of the unit or load.
3. Chain CZPT and stripper ensures proper fit of chain over pocket wheel.
4. Two-stage gear reduction with hardened gears and pinion.

Chain Pulley Block Parameters:

Model CB-B
Capacity(ton) 0.25 0.5 1 1.5 2 3 5 7.5 10
Standard lifting height(m) 2.5 2.5 2.5 2.5 2.5 3 3 3 3
Running Test Load(ton) 0.3125 0.625 1.25 1.875 2.5 3.75 6.25 9.375 12.5
Headroom H(mm) 280 345 376 442 470 548 688 765 765
Effort to required to lift max. load(N) 226 235 245 255 324 363 353 373 380
Load Chain Dia. (mm) Columns 1 1 1 1 1 1 2 3 4
Dia+Pitch 4× 12 5× 15 6× 18 7× 21 8× 24 10× 28 9× 27 9× 27 9× 27
Dimension
(mm)
A 121 148 172 196 210 255 280 433 463
B 114 132 151 173 175 205 189 189 189
C 24 25 30 33 35 40 42 56 56
D 31 31.5 37.5 42.5 45 50 53 85 85
Net Weight(kg) 6.5 9.3 12.2 16.5 19.5 32 41.1 61.6 75.7
Packing Measurements
(l× w× h)(mm)
23× 16× 15 30× 17× 18 32× 18× 19 37× 20× 24 37× 20× 24 43× 40× 30 47× 44× 35.5 62× 47× 39.5 53× 51× 46.5
Extra Weight per meter
of extra lift(kg)
0.81 1 1.29 1.61 1.92 2.68 4.1 5.86 7.73

Chain Pulley Block Details:

Chain Pulley Block Pictures: 

Chain Pulley Block Package:

About US:

LIFTOR ENTERPRISES was founded in 2000 and is a leading manufacturer of lifting and material handling equipment with almost 20 years experience. We provide quality, safety and stable products to meet the highest industrial standards. We are ISO9001:2008 certified company, our products are GS,CE certified, serving all sphere of industry in the world.
 
Our brand CZPT is well sold in more than 50 countries worldwide and has earned an enviable reputation for high quality products. With our professional R&D team, we are CZPT to provide customization services with the most professional quality and never stop meeting the highest standard of safety.

LIFTOR will never stop being as an innovative manufacturer. We will continue to develop and extend our products range with high quality, safety standard and long life usage. 

Why choose us?

1. We are your one-stop service and solutions provider,certified by CE.

2. Exporting to Europe,USA,Australia,Mid East,Southeast Asia and Africa.

3. 100+ containers per month.Turnover more than US Dollar around40 millions in both 2019/2571.

4. Group company established in 2000 and be Globalsource member for more than 20 years.

5. Strict quality control and with long term quality inspection contract with SGS.

6. Products is underwritten by the China Property Insurance Company(PICC) as quality assurance for customer.

7. Passed 3rd party audit arranged by several top 500 company and be their long term contract supplier.

8. Pre-shipment quality inspection for customer by picture/video.

9. Meet Customized requirement on design and logo.

10. Small order acceptable.

 

 

The benefits of using pulleys

A pulley is a mechanical device that converts force into rotation. There are many advantages to using pulleys. Let's take a look at a few of them. This article will describe the advantages, types, applications, and power sources of pulleys. You can then choose the pulley that best suits your specific needs. If you're looking for a new tool to help you with a certain task, this article is for you.
pulley

Mechanical advantage

The mechanical advantage of a pulley can be defined as the ratio of applied force to the applied force. The mechanical advantage of a pulley can be calculated by considering several factors, including weight and friction. It can be calculated by the force applied per unit length of rope and the number of pulleys used. In a single-circuit system, the force required to lift a heavy object is equal to the user's body weight.
The mechanical advantage of a pulley can be realized by comparing it to a seesaw. Both uses of rope are suitable for lifting objects. A rope 4 times heavier than a kilo is 4 times as effective. Because the forces on both sides of the pulley are equal, a small force is enough to move a large weight a short distance. The same force can be applied to a large mass to lift it several meters.
After introducing the concept of mechanical advantage, learners will practice using the pulley system. In addition to testing the pulley system, they should also calculate its mechanical advantage. Using either the instructor-provided handout or the learner's workbook, students will determine how easily the pulley system functions. Once they have completed the test, they can discuss their results and how the system can be improved. These courses are best completed as part of a mini-unit or as a standalone main course.
The mechanical advantage of the pulley system is proportional to the number of rope loops. This circuit requires the same force as the dual circuit to lift heavy objects. A single lap requires only a third of the force to lift a double lap, while 3 laps require almost half the energy required for a single lap. The mechanical advantage of the pulley system becomes constant as the number of cycles increases.
The 3:1 Mechanical Advantage system feels like lifting a 300-pound load with 3 feet of rope. The three-foot-long rope moves the load 1 foot high. Understanding the mechanical advantages of pulleys is critical for rescuers when trying to create the perfect pulley system. Ideally, the pulley system will be anchored to a nearby rock, tree, pole or person - if the weight is not too heavy.
pulley

Types of pulleys

There are several types of pulleys. V-belt pulleys are the type commonly used in vehicles and electric motors. "V" pulleys require a "V" belt, and some even have multiple V grooves. "V" pulleys are often used in heavy duty applications for power transmission because they reduce the risk of power slippage.
Composite pulleys combine the properties of fixed and movable pulleys. Compound pulleys are able to change the direction of force while requiring relatively low force to move even the heaviest loads. Mechanical advantage is a measure of the effectiveness of a machine or equipment. It can be divided into 3 categories: force, distance and mechanics. Once you understand how each type works, you can design complex machines.
Fixed pulleys: These pulleys are the most basic type of pulleys. They use ropes and slotted wheels to move with the lifted object. Because they are so simple to set up, lifting heavy objects is a breeze. Although the moving object feels light, it is actually heavier than it actually is. These pulleys are used in construction cranes, utility elevators and many different industries.
Compound Pulley System: A pulley pulley is a combination of 2 fixed pulleys and 1 movable pulley. Compound pulley systems are effective for moving heavy objects because they have the largest force multipliers and are flexible enough to change the direction of the force as needed. Composite pulley systems are commonly used in rock climbing, theater curtains and sailing. If you're looking for a pulley system, you can start by evaluating the types of pulleys and their uses.
Construction Pulleys: These are the most basic types of pulleys and have wheel rails. These pulleys can be lifted to great heights and attached to chains or ropes. They allow workers to access equipment or materials from greater heights. They are usually mounted on wheels with axles and secured with ropes. They are essential tools for construction workers. There are many different types of pulleys out there.

energy source

Belts and pulleys are mechanical devices used to transmit energy and rotational motion. The belt is connected to the rotating part of the energy source, and the pulley is mounted on the other. One pulley transmits power to the other, while the other changes the direction of the force. Many devices use this combination, including automobiles, stationary generators, and winches. It is used in many home applications, from conveyors to treadmills. Pulleys are also used for curtains in theater halls.
Pulley systems are an essential part of modern industry and everyday life. Pulleys are used in elevators, construction sites and fitness equipment. They are also used in belt-driven generators as backup power. Despite their simple and seemingly humble beginnings, they have become a versatile tool. From lifting heavy objects to guiding wind turbines, pulley systems are widely used in our daily lives.
The main reason why pulleys are so popular is the mechanical advantage they offer. They can lift a lot of weight by applying very little force over longer distances. For example, a small motor can pull 10 meters of cable, while a large motor can pull 1 meter. Also, the work done is equal to the force times the distance traveled, so the energy delivered to the large motor is the same.
The power source for the pulley system can be cables, belts or ropes. The drive element in a pulley system is usually a rope or cable. A belt is a loop of flexible material that transmits motion from 1 pulley to another. The belt is attached to the shaft and a groove is cut in the pulley. The belt then transfers energy from 1 pulley to the other through the system.
pulley

application

A pulley is a mechanical device used to lift heavy objects. They reduce the amount of work required to lift heavy objects and are an excellent choice for many applications. There are several different applications for pulleys, including elevators, grinders, planters, ladder extensions, and mountaineering or rock climbing. Let's take a look at some of the most popular uses for pulleys in modern society. These include:-
A pulley is a mechanical device that changes force. To use, you wrap the rope around it and pull down to lift the object. While this device is very useful, a major limitation of using pulleys is that you still have to apply the same force to lift the object as you would without the pulleys. This is why people use pulleys to move large objects like furniture and cars.
In addition to lifting heavy objects, pulleys are used in elevators, flagpoles and wells. These systems allow people to move heavy objects without straining their backs. Many other examples of pulleys in the home include garage doors, flagpoles, and elevators. They also help raise and lower flagpoles, which can reach several stories high.
There are 2 basic types of pulleys: movable and fixed. Fixed pulleys are attached to a ceiling or other object using 2 ropes. Modern elevators and construction cranes use movable pulleys, as do some weight machines in gyms. Composite pulleys combine movable and fixed pulleys to minimize the force required to move heavy objects.
Another type of fixed pulley is the flagpole. A flagpole can support a country, organization, or anything else that needs to be lifted. A taller flagpole creates a prouder moment for those who support it. The operation of the rope and pulley mechanism is very simple. The user simply attaches the flag to the rope, pulls the pulley, and he or she can watch the flag rise and unfold.

China factory 1ton Hsz-a Series Manual Chain Pulley Block Wholesale     with Good qualityChina factory 1ton Hsz-a Series Manual Chain Pulley Block Wholesale     with Good quality

China factory Lb-B 1 Ton Lever Hoist/Manual Pulley Block with Ce GS with Best Sales

Product Description

Lb-B 1 Ton Lever Hoist with Ce GS

TXK was founded in 1997 with 1.5 million USD registered fund in the very beginning and grow up as a leading manufacturer of electric chain hoist, manual chain hoist, electric wire rope hoist and various lifting and material handling equipments with more than 15 years experience and hard work.

Our factory cover an area of 66000 square meters, the biggest workshop in the electric hoist industry in China.

We provide quality, safe and stable products to meet the highest industrial standards. We are ISO9001: 2008 and TUV certified manufacturer, our products are CE, GS, SGS certified, serving all spheres of industry in the world.

Our products are widely used in industry and manufacturing industry and other special purpose, such as mold, wind power, logistics, railway, shipbuilding, bridge construction, factory assembly line, mechanical maintenance platform etc.

The company establishes a global marketing network with exportation to Germany, Norway, Poland, United States, Canada, Mexico, Peru, Brazil, Argentina, Egypt, Saudi Arabia, South Africa, India, Indonesia, Malaysia and total more than 50 countries and regions.

Lever block, lever hoist, Manual hoist

Capacity: From 0.25T to 9T

Technical Features:
Super Grade100 load chain-Wafios link, DIN standard.
Forged and Heat Treated load Hooks with batch traceability and stretch indicatiors
360° Handle rotation with stroke to ratchet indicators
Double pawl Brake system
Asbestos Free Brake Linings
Forged Safety Latch
Sealed Roller Bearings
100% Load Tested to 1.5xWLL
MBL of 400% of WLL
2000 Cycle Batch Test

Lever Hoist specifications:

Model                                              LB-B 75 100 150 200 300 600
Capacity  (ton) 0.75 1 1.5 2 3 6
Standard lifting height  (m) 1.5 1.5 1.5 1.5 1.5 1.5
Running test load  (t) 1.13 1.5 2.25 3 4.5 9
Pulling efforts  (kg) 15 20 18 24 38 39
Chainfall 1 1 1 1 1 2
Load chain diameter  (mm) 6.3 6.3 7.1 8 9 9
Net weight  (kg) 6.9 7.1 9.4 10.1 16.3 27.2
Dimensions              (mm) A 148 152 161 168 191 191
B 128 128 148 148 180 243
C 295 310 335 350 405 550
D 256 256 368 368 368 368
G 45 48 52 60 66 80

 

FAQ
1. About after-sale service:    
We have engineers to fix any problem for KIXIO hoists sold overseas, and we supply free spare parts within warranty.

2. About quality:
Before packing, all the hoists will be inspected carefully. And we take detailed pictures and make records for each single product. With our serial no. you will track the details about the products.

3.What is the range capacity of your hoists?
From 0.25 ton to 50 ton. 

4. About price: 
Price is negotiable with large order quantities.

5. About warranty: 
We offer 1 year warranty for electric parts, and 2 years for mechanical parts.

6. About samples:
Available.

7. OEM
Available.

The importance of pulleys

A pulley is a wheel that rides on an axle or axle. The purpose of the pulley is to change the direction of the tensioning cable. The cable then transfers the power from the shaft to the pulley. This article explains the importance of pulleys and demonstrates several different uses for this machine. Also, see the Mechanical Advantages section below for the different types. let's start.
pulley

simple machine

A simple pulley machine is a device used to transfer energy. It consists of a wheel with flexible material on the rim and a rope or chain tied to the other end. Then lift the load using the force applied to the other end. The mechanical advantage of this system is one, as the force applied to the load is the same as the force on the pulley shaft.
A simple pulley machine has many benefits, from the ability to build pyramids to building modern buildings with it. Pulleys are also popular with children because they can perform simple tasks such as lifting toys onto a slide, sliding them off the slide, and lifting them up again. These activities, called "transportation" by child development theorists, allow them to learn about the physics of simple machines in the process.
The mechanism works by using cables to transmit force. The cable is attached to 1 side of the pulley and the other side is pulled by the user. Lift the load by pulling on 1 end and the other end of the rope. Simple pulley machines have many commercial and everyday applications, including helping move large objects. They can be fixed or movable, and can be a combination of both. The present invention is a great tool for any beginner or engineer.

axis

The axle wheel is the basic mechanical part that amplifies the force. It may have originally appeared as a tool to lift buckets or heavy objects from a well. Its operation is demonstrated by large and small gears attached to the same shaft. When applied to an object, the force on the large gear F overcomes the force W on the pinion R. The ratio of these 2 forces is called the mechanical advantage.
The ideal mechanical advantage of shaft pulleys is their radius ratio. A large radius will result in a higher mechanical advantage than a small radius. A pulley is a wheel through which a rope or belt runs. Often the wheels are interconnected with cables or belts for added mechanical advantage. The number of support ropes depends on the desired mechanical advantage of the pulley.
In the design of the axle wheel, the axle is the fulcrum and the outer edge is the handle. In simple terms, wheels and axle pulleys are improved versions of levers. The axle pulley moves the load farther than the lever and connects to the load at the center of the axle. Shaft pulleys are versatile and widely used in construction.

rope or belt

Ropes or pulleys are mechanical devices used to move large masses. The rope supports a large mass and can be moved easily by applying a force equal to 1 quarter of the mass to the loose end. Quad pulleys have 4 wheels and provide the mechanical advantage of 4 wheels. It is often used in factories and workshops. It is also a popular choice in the construction industry. If you are installing a pulley in your vehicle, be sure to follow these simple installation instructions.
First, you need to understand the basics of how a rope or pulley works. The machine consists of 1 or more wheels that rotate on an axle. The rope or belt is wrapped around the pulley and the force exerted on the rope is spread around the pulley. It then transfers the force from 1 end of the rope to the other. The pulley system also helps reduce the force required to lift objects.
Another common rope or pulley is the differential pulley. This is similar to a rope pulley, but consists of 2 pulleys of different radii. The tension in the 2 halves of the rope supports half the load that the live pulley should carry. These 2 different types of pulleys are often used together in composite pulley systems.
pulley

Mechanical advantage

The mechanical advantage is the ratio of the force used to move the load through the pulley system to the force applied. It has been used to measure the effectiveness of pulley systems, but it also requires assumptions about applied forces and weights. In a simple 1:1 pulley system, the weight lifting the weight is the same as the weight of the person pulling the weight. Adding mechanical advantage can help make up for the lack of manpower.
This advantage stems from the mechanical properties of simple machines. It requires less force and takes up less space and time to accomplish the same task. The same effect can also be achieved by applying less force at a distance. Furthermore, this effect is called the output force ratio. The basic working principle of a pulley system is a rope with a fixed point at 1 end. The movable pulley can be moved with very little force to achieve the desired effect.
The load can be moved through the vertical entry using a simple pulley system. It can use a simple "pulley block" system with a 2:1 "ladder frame" or a 4:1 with dual pulleys. This can be combined with another simple pulley system to create a compound pulley system. In this case, a simple pulley system is pulling another pulley, giving it a 9:1 mechanical advantage.

Commonly used

You've probably seen pulley systems in your kitchen or laundry room. You probably already use it to hang clothes on an adjustable clothesline. You may have seen motor pulleys in the kitchens of commercial buildings. You might even have seen 1 on a crane. These machines use a pulley system to help them lift heavy loads. The same goes for theaters. Some pulleys are attached to the sides of the stage, enabling the operator to move up and down the stage.
Pulley systems have many uses in the oil and petroleum industry. For example, in the oil and gas industry, pulley systems are used to lay cables. They are arranged in a pulley structure to provide mechanical energy. When the rope is running, 2 pulleys are hung on the derrick to facilitate smooth running. In these applications, pulleys are very effective in lifting heavy objects.
A pulley is a simple mechanical device that converts mechanical energy into motion. Unlike chains, pulleys are designed to transfer power from 1 location to another. The force required to lift an object with a pulley is the same as that required by hand. It takes the same amount of force to lift a bucket of water, but it's more comfortable to pull sideways. A bucket of water weighs the same as when lifted vertically, so it's easy to see how this mechanism can be useful.
pulley

Safety Notice

When using pulleys, you should take several safety precautions to keep your employees and other workers on the job site safe. In addition to wearing a hard hat, you should also wear gloves to protect your hands. Using pulleys can lead to a variety of injuries, so it's important to keep these precautions in mind before using pulleys. Here are some of the most common:
Pulleys are an important piece of equipment to have on hand when lifting heavy objects. Pulleys not only reduce the force required to lift an object, but also the direction of the force. This is especially important if you are lifting heavy objects, such as a lawn mower or motorcycle. Before starting, it is important to make sure that the anchoring system can support the full weight of the object you are lifting.
When using a pulley system, make sure the anchor points are adequate to support the load. Check with the pulley manufacturer to determine the weight it can safely lift. If the load is too large, composite pulleys can be used instead. For vertical lifts, you should use a sprocket set and wear personal protective equipment. Safety precautions when using pulleys are critical to worker health and safety.

China factory Lb-B 1 Ton Lever Hoist/Manual Pulley Block with Ce GS     with Best SalesChina factory Lb-B 1 Ton Lever Hoist/Manual Pulley Block with Ce GS     with Best Sales

China Custom Swivel Stainless Steel Wire Rope Single-Sheaved Pulley Block with Good quality

Product Description

Swivel Stainless Steel Wire Rope Single-Sheaved Pulley Block

  • High Quality: Anti-rust and wear-resistance with highly strong structure.
  • Ergonomic Design: 360 degrees rotation to prevent rope from knotting for convenient use.
  • Delicate Appearance: Wear and scratch resistance with gorgeous gloss.
  • Convenient to Use: Flexible sliding pulley with heavy load capacity for numerous application,Loading 400kg

Pulley Dimensions:

 

STAINLESS STEEL SWIVEL EYE SINGLE PULLEY BLOCK
SIZE SWL DIA. OF ROPE QTY/CASE
IN. LBS IN. PCS
1" 520 1/2" 50
1-1/4" 600 1/2" 50
2" 1000 9/16" 36

 

24Hour On Line, any questions pls feel free to contact me.

Welcome to HangZhou CZPT Hardware & Machinery Co., Ltd, the 1 stop provider for rigging hardware ,electric power fittings and trailer hitch accessories.We are always looking to grow and improve on products manufacturing,R&D,domestic selling and overseas exporting, an integrated supply chain management system, marketing management system and quality management system are applied in daily works.Thinkwell's products are wildly exported to USA,Germany,France,Canada,Australia,Middle east,India,Singapore nowadays and serving customers all over the world. We are proud to be the industry pioneer and acknowledged by  customers through dedicating and transforming year after year.

Quality Contral:

1. Tensile Strength Test is necessary for each batch. Detailed test report and pictures can be provided after order placed.

 2.Surface tolerance, zinc finish, painting finish also be tested according to customers' different requirements.

3.Products' weight is under a reasonable tolerance.

4.Each parts' dimension is always according to the technical drawing and international tolerance standard.

5.Harness testinng also can be provided if you prefer.

6.Salt spray testing is for customers with the most strict quality control requirement, pls pay attention, this testing needs extra testing charges.

7.Chemical anyalisis is rare very much from customers' requirements, can be provided, also needs extra testing charges.

8.Any other testing requirements, feel free to let us know. Will do as we can to support your business always.

 

Regular package:

 

carton with pallet.

Pallet included iron pallet, regular wooden pallet and non-fumigation pallet.

Plastic film inside with iron cage is for items with a large cubic, and irregular shape.

Wooden case is high quality to accept more than 1.2ton goods.

Package goods according to customers' different requirements is no problem.( Regular package is for free, customzies package  needs extra  charges according to the truth package cost)

 

>>>ADVANTAGEOUS:

 
1.General Raw material comes from tope 10 Steel Companies in China.

2.Sample first before bulk production.

3.QC.Testing report is compulsory before each dispatch.

4.ISO, SGS certify our quality.

5.R&D.customized products is our main development direction.

6.General products order of 1 20ft container was shipped within 25 days.

7. 24 hours on line service for global markets.

 

 

>>>FAQ:

 

1. Can I be your agent?
Yes, welcome to deep cooperation. We have big promotion of CZPT brand in the market now. For the details please contact me.

2. Is OEM available?
Yes, OEM is available. We have professional designer to help your brand promotion.

3. How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality. Free for the samples, but you need to pay for the freight.

4. What's your quality guarantee?
We have different kinds of products which can meet different quality standard.
Our QC department will teset products before shipping. We have 100% quality guarantee to customers. We will be responsible for any quality problem.

5. How about the delivery time?
The delivery time is depend on the products and the quantity. But generally, the delivery time for a container is about 1 month.

6. What's benefit will you bring?
Your client satisfied on the quality

   

What Is a Pulley?

The pulley is a wheel mounted on a shaft or axle. Its purpose is to support the movement of a cable that is taut. This cable transfers power to a shaft. However, there are certain safety precautions that you should follow when using a pulley. Read on to learn more! Listed below are common uses and their main parts. Listed below are some of the benefits of using a pulley.
pulley

Common uses of a pulley

A pulley is a common mechanical device used to increase the force needed to lift a heavy object. Most commonly, these devices are used in construction equipment. These machines use high-10sion ropes to transfer heavy objects from 1 floor to another. Other common uses of a pulley include buckets and flagpoles. These devices are extremely useful in a wide range of applications. To learn more about the common uses of pulleys, keep reading.
A pulley is a wheel with grooves for holding rope. Its purpose is to change the direction and point at which a pulling force acts. It is usually used in sets to reduce the amount of force needed to lift a load, but the work involved is similar. Pulleys are also used in rock climbing devices. For many applications, a pulley is a vital part of construction.
The most common use of a pulley involves hoisting and lowering a flag. Other examples include clotheslines, bird feeders, and escalators. Pulleys are also commonly used on oil derricks. Many other common applications include hoisting and lowering garage doors. Pulley systems are also used in engines and cranes. For more information, check out our interactive pulley diagram!
Pulleys can also be used to lower total work required for a task. In many cases, a pulley will consist of 2 parts: the pulley hub and the shaft pulley. The hub clamps the shaft pulley, while the pulley itself is connected to the motor or other device. If you're looking for a pulley, it's important to learn how it works.
The most common uses for a pulley involve lifting heavy objects, and the mechanism used to lift them is known as a pulley. A pulley is an industrial device that uses 2 wheels to reduce the force needed to lift a weight. The pulley reduces this force by half by allowing the user to pull on the rope 4 times as far. The pulley also allows for a smaller lifting distance.

Main parts of a pulley

A pulley consists of the main element of a system. This is typically a cable, rope, belt, or chain. There are 2 basic types of pulleys - a Driver Pulley and a Follower Pulley. Pulleys are available in small and large sizes. The periphery part of the pulley is called the Face, and the protruding middle part is called the Crown. A pulley's face can be round, rectangular, or even "V" shaped.
The first pulley was created by the Greek mathematician Archimedes in the third century BCE. These simple machines are made of a rope, an axle, and a wheel. The pulley's end is attached to a person, object, or motor. These machines can be used in various tasks to lift heavy objects. The pulley is a great mechanical advantage for any lifter.
The ideal mechanical advantage of a pulley is defined by the number of rope segments that pull an object. The higher the number of loops on the rope, the higher the mechanical advantage. The greater the mechanical advantage, the less force is required to move the object. Likewise, the greater the distance the rope traverses, the higher the mechanical advantage of a pulley. There are several different types of pulley, depending on their combination of rope, wheel, and rope.
The basic components of a pulley are the face and hub, and the rope is threaded into the center of the pulley. The pulley is usually made of a rope and can be used to lift heavy weights. It can also be used to apply great force in any direction. Step pulleys have multiple faces, which are fixed in sequence. They can also increase the speed of the driven pulley.
A pulley is a simple machine consisting of a wheel, rope, or chain. These parts are crucial for making moving and lifting easier. Because they change the direction and magnitude of force, they can be a useful tool. Some pulleys even change direction. You can learn more about the pulley by downloading this resource today. The resources are designed to support the new 9-1 GCSEs in Design & Technology and Engineering.
pulley

Mechanical advantage

Pulleys have been used to move heavy objects for centuries. When 2 rope sections are used, the weight of a 100kg mass can be moved with only 500 newtons of force. Adding an extra pulley increases the mechanical advantage. If the pulley has 2 wheels, the distance between the rope sections and the wheel grooves is only half the distance, but the mechanical advantage still applies. Adding another pulley increases the mechanical advantage, but can be risky.
Mechanical advantage is the ratio of force used versus force applied. The calculations are made under the assumption that the ropes and weights do not elongate or lose energy due to friction. If the weights are very light, the mechanical advantage is greater than that in the real world. To calculate the mechanical advantage, the weight of the load to be lifted must be the same as the weight of the person using the pulley.
A single moveable pulley has a mechanical advantage of two. The weight passes around the pulley, and 1 end of the rope is attached to a fixed point. The pulling force is then applied to the other end of the rope. The distance the weight travels doubles, or halved, depending on the direction of the pulley. Adding a second pulley reduces the distance and the effort required to lift it.
There are several ways to calculate the mechanical advantage of a pulley system. Some methods are specific to certain types of systems, while others work for all systems. The T-Method is a good choice in many applications, as it calculates the units of tension for each rope segment. Once you have determined the input force, you need to determine the maximum force that will be applied to each component. A compound pulley, for example, will require 4 units of tension for each rope segment.
In simple terms, the effort is the amount of force needed to lift the load. This force is measured in newtons (N). A mechanical advantage is often presented without units. If the student does not have this unit, you may need to convert the units to newtons, since 1 kilogram is equal to 10 newtons. If you can't figure out the units of effort, you can use the KWL chart provided by the teacher.
pulley

Safety precautions

There are a few safety precautions you should take when using a pulley. First, always check the SWL (safe working load) before attaching anything to the pulley. This indicates the maximum weight and angle the pulley can safely handle. Second, make sure that your work area is free from people and debris. Third, wear a hard hat to protect your head from blows and falling objects.
Another important consideration is anchoring. Although the pulley reduces the weight of an object, it is not enough to eliminate the weight. This is especially true if you are hoisting a heavy object, such as a motorcycle or lawnmower. It is important to ensure that the anchoring point can support the entire weight of the load. It is also important to follow proper anchoring procedures when using a pulley to lift a motorcycle or lawnmower.
In addition to the safety latch, you should use a tag line to control the suspended load. Remember that a chain pulley block is necessary for vertical lifting. You should also wear personal protective equipment (PPE) while using a pulley to avoid injuries. If your workplace does not have an PPE policy, you should consider implementing a similar policy. These safety guidelines are a good start.
If you are using a pulley to lift heavy objects, make sure to wear gloves. Those who are not familiar with rope-pulling will have an easier time demonstrating how it works. If you are using a rope-pulley system in a classroom, be sure to follow lab safety guidelines. Wear cloth gloves, clear the area, and do not jerk the rope. In addition, never allow yourself to be pulled into the rope by an unfamiliar person.
Another important safety precaution when using a pulley is to ensure that the anchor point for your system is adequate to support the weight of the object being lifted. Check with the manufacturer of the pulley to find out what its weight limit is, as some types of pulleys are designed to lift much heavier weights than others. It is important to follow all manufacturer's instructions when using a pulley.

China Custom Swivel Stainless Steel Wire Rope Single-Sheaved Pulley Block     with Good qualityChina Custom Swivel Stainless Steel Wire Rope Single-Sheaved Pulley Block     with Good quality

China supplier 1 Ton Electric Hoist Chain Pulley Block for Lifting Goods near me supplier

Product Description

1 Ton Electric Hoist Chain Pulley Block for Lifting Goods

 

 

Characteristics:

  1. 0.5~50 ton lifting capacity
  2. With upper hook (fixed) or with trolley
  3. Single/Double speed option
  4. Shell: aluminum alloy
  5. Chain: high quality G80
  6. Chain container: canvas / iron
  7. Gear & chain wheel: alloy steel + heat treatment
  8. Hooks: heat forging+heat treatment
  9. Chain diameter: 6.3~11.2mm (as per different capacities)
  10. Motor rotate speed:1440r/min(single speed),  2880/960 r/min(double speed),
  11. Standard chain length: 3m (can be customized)
  12. Power specification:200~690V,50/60HZ,3 Phase
  13. Safe voltage:24V/36V/48V
  14. Button switch:2/4/6/8 buttons option
  15. Insulation grade:F class
  16. Protection class: IP55
  17. Working group:M4
  18. Working temperature: -40ºC ~ +40ºC
  19. OEM acceptable
  20. Customized logo acceptable
  21. Package: plywood case
  22. Warranty: 2 years for mechanical parts, 1 year for electric parts

 

Single Speed  Technical Parameters
Model  SSDHL
0.5-01S 01-01S 1.5-01S 02-01S 02-02S 2.5-01S 03-01S 03-02S 03-03S 05-02S
Capacity (t) 0.5t 1t  1.5t 2t 2.5t 3t 5t
Lifting Speed (m/min) 7.2 6.6 8.8 6.6 3.3 5.4 5.4 4.4 2.2 2.7
Motor Power (Kw) 0.8  1.5  3.0  3.0  1.5  3.0  3.0  3.0  1.5  3.0 
Rotation Speed (r/min) 1440
Insulation Grade F
Power Supply 3P 220V ~ 690V
Control Voltage 24V/36V/48V
No. of Chain 1 1 1 1 2 1 1 2 3 2
Spec. of Load Chain  ø6.3 ø7.1 ø10.0 ø10.0 ø7.1 ø11.2 ø11.2 ø10.0 ø7.1 ø11.2
Net Weight (Kg) 47 61 108 115 73 115 122 131 85 151

 

 

Dual Speed  Technical Parameters
Model  SSDHL
0.5-01D 01-01D 1.5-01D 02-01D 02-02D 2.5-01D 03-01D 03-02D 03-03D 05-02D
Capacity (t) 0.5t 1t  1.5t 2t 2.5t 3t 5t
Lifting Speed (m/min) 7.2/2.4 6.9/2.3 9.0/3.0 6.9/2.3 3.3/1.1 5.4/1.8 5.41.8 4.5/1.5 2.4/0.8 2.7/0.9
Motor Power (Kw) 0.8/0.27 1.8/0.6 3.0/1.0 3.0/1.0 1.8/0.6 3.0/1.0 3.0/1.0 3.0/1.0 1.8/0.6 3.0/1.0
Rotation Speed (r/min) 2880/960
Insulation Grade F
Power Supply 3P 220V ~ 690V
Control Voltage 24V/36V/48V
No. of Chain 1 1 1 1 2 1 1 2 3 2
Spec. of Load Chain  ø6.3 ø7.1 ø10.0 ø10.0 ø7.1 ø11.2 ø11.2 ø10.0 ø7.1 ø11.2
Net Weight (Kg) 54 74 144 150 86 148 159 168 102 184

Company Profile

TXK was founded in 1997 and is a leading manufacturer of lifting and material handling equipments with almost 20 years experience. We provide quality, safe and stable products to meet the highest industrial standards. We are ISO9001:2008 certified company, our products are GS, CE certified, serving all spheres of industry in the world.

Our brand CZPT is well sold in more than 50 countries worldwide and has earned an enviable reputation for high quality products. With our professional R&D team, we are CZPT to provide customization services with the most professional quality and never stop meeting the highest standard of safety.

TXK will never stop being as an innovation manufacturer. We will continue to develop and extend our products range with high quality, safety standard and long life usage.

 

What Is a Pulley?

The pulley is a wheel mounted on a shaft or axle. Its purpose is to support the movement of a cable that is taut. This cable transfers power to a shaft. However, there are certain safety precautions that you should follow when using a pulley. Read on to learn more! Listed below are common uses and their main parts. Listed below are some of the benefits of using a pulley.
pulley

Common uses of a pulley

A pulley is a common mechanical device used to increase the force needed to lift a heavy object. Most commonly, these devices are used in construction equipment. These machines use high-10sion ropes to transfer heavy objects from 1 floor to another. Other common uses of a pulley include buckets and flagpoles. These devices are extremely useful in a wide range of applications. To learn more about the common uses of pulleys, keep reading.
A pulley is a wheel with grooves for holding rope. Its purpose is to change the direction and point at which a pulling force acts. It is usually used in sets to reduce the amount of force needed to lift a load, but the work involved is similar. Pulleys are also used in rock climbing devices. For many applications, a pulley is a vital part of construction.
The most common use of a pulley involves hoisting and lowering a flag. Other examples include clotheslines, bird feeders, and escalators. Pulleys are also commonly used on oil derricks. Many other common applications include hoisting and lowering garage doors. Pulley systems are also used in engines and cranes. For more information, check out our interactive pulley diagram!
Pulleys can also be used to lower total work required for a task. In many cases, a pulley will consist of 2 parts: the pulley hub and the shaft pulley. The hub clamps the shaft pulley, while the pulley itself is connected to the motor or other device. If you're looking for a pulley, it's important to learn how it works.
The most common uses for a pulley involve lifting heavy objects, and the mechanism used to lift them is known as a pulley. A pulley is an industrial device that uses 2 wheels to reduce the force needed to lift a weight. The pulley reduces this force by half by allowing the user to pull on the rope 4 times as far. The pulley also allows for a smaller lifting distance.

Main parts of a pulley

A pulley consists of the main element of a system. This is typically a cable, rope, belt, or chain. There are 2 basic types of pulleys - a Driver Pulley and a Follower Pulley. Pulleys are available in small and large sizes. The periphery part of the pulley is called the Face, and the protruding middle part is called the Crown. A pulley's face can be round, rectangular, or even "V" shaped.
The first pulley was created by the Greek mathematician Archimedes in the third century BCE. These simple machines are made of a rope, an axle, and a wheel. The pulley's end is attached to a person, object, or motor. These machines can be used in various tasks to lift heavy objects. The pulley is a great mechanical advantage for any lifter.
The ideal mechanical advantage of a pulley is defined by the number of rope segments that pull an object. The higher the number of loops on the rope, the higher the mechanical advantage. The greater the mechanical advantage, the less force is required to move the object. Likewise, the greater the distance the rope traverses, the higher the mechanical advantage of a pulley. There are several different types of pulley, depending on their combination of rope, wheel, and rope.
The basic components of a pulley are the face and hub, and the rope is threaded into the center of the pulley. The pulley is usually made of a rope and can be used to lift heavy weights. It can also be used to apply great force in any direction. Step pulleys have multiple faces, which are fixed in sequence. They can also increase the speed of the driven pulley.
A pulley is a simple machine consisting of a wheel, rope, or chain. These parts are crucial for making moving and lifting easier. Because they change the direction and magnitude of force, they can be a useful tool. Some pulleys even change direction. You can learn more about the pulley by downloading this resource today. The resources are designed to support the new 9-1 GCSEs in Design & Technology and Engineering.
pulley

Mechanical advantage

Pulleys have been used to move heavy objects for centuries. When 2 rope sections are used, the weight of a 100kg mass can be moved with only 500 newtons of force. Adding an extra pulley increases the mechanical advantage. If the pulley has 2 wheels, the distance between the rope sections and the wheel grooves is only half the distance, but the mechanical advantage still applies. Adding another pulley increases the mechanical advantage, but can be risky.
Mechanical advantage is the ratio of force used versus force applied. The calculations are made under the assumption that the ropes and weights do not elongate or lose energy due to friction. If the weights are very light, the mechanical advantage is greater than that in the real world. To calculate the mechanical advantage, the weight of the load to be lifted must be the same as the weight of the person using the pulley.
A single moveable pulley has a mechanical advantage of two. The weight passes around the pulley, and 1 end of the rope is attached to a fixed point. The pulling force is then applied to the other end of the rope. The distance the weight travels doubles, or halved, depending on the direction of the pulley. Adding a second pulley reduces the distance and the effort required to lift it.
There are several ways to calculate the mechanical advantage of a pulley system. Some methods are specific to certain types of systems, while others work for all systems. The T-Method is a good choice in many applications, as it calculates the units of tension for each rope segment. Once you have determined the input force, you need to determine the maximum force that will be applied to each component. A compound pulley, for example, will require 4 units of tension for each rope segment.
In simple terms, the effort is the amount of force needed to lift the load. This force is measured in newtons (N). A mechanical advantage is often presented without units. If the student does not have this unit, you may need to convert the units to newtons, since 1 kilogram is equal to 10 newtons. If you can't figure out the units of effort, you can use the KWL chart provided by the teacher.
pulley

Safety precautions

There are a few safety precautions you should take when using a pulley. First, always check the SWL (safe working load) before attaching anything to the pulley. This indicates the maximum weight and angle the pulley can safely handle. Second, make sure that your work area is free from people and debris. Third, wear a hard hat to protect your head from blows and falling objects.
Another important consideration is anchoring. Although the pulley reduces the weight of an object, it is not enough to eliminate the weight. This is especially true if you are hoisting a heavy object, such as a motorcycle or lawnmower. It is important to ensure that the anchoring point can support the entire weight of the load. It is also important to follow proper anchoring procedures when using a pulley to lift a motorcycle or lawnmower.
In addition to the safety latch, you should use a tag line to control the suspended load. Remember that a chain pulley block is necessary for vertical lifting. You should also wear personal protective equipment (PPE) while using a pulley to avoid injuries. If your workplace does not have an PPE policy, you should consider implementing a similar policy. These safety guidelines are a good start.
If you are using a pulley to lift heavy objects, make sure to wear gloves. Those who are not familiar with rope-pulling will have an easier time demonstrating how it works. If you are using a rope-pulley system in a classroom, be sure to follow lab safety guidelines. Wear cloth gloves, clear the area, and do not jerk the rope. In addition, never allow yourself to be pulled into the rope by an unfamiliar person.
Another important safety precaution when using a pulley is to ensure that the anchor point for your system is adequate to support the weight of the object being lifted. Check with the manufacturer of the pulley to find out what its weight limit is, as some types of pulleys are designed to lift much heavier weights than others. It is important to follow all manufacturer's instructions when using a pulley.

China supplier 1 Ton Electric Hoist Chain Pulley Block for Lifting Goods     near me supplier China supplier 1 Ton Electric Hoist Chain Pulley Block for Lifting Goods     near me supplier

China manufacturer Block Try Net Block Snatch Pulley Block for Ship/Marine with high quality

Product Description

Product Description
Try Net Block Snatch Pulley Block for Ship/Marine
Technical Data and Dimensions
Try Net Block Snatch Pulley Block for Ship/Marine

Size W.L.L. Rope Dia.  Weight Each
(in.) (Ton.) (mm.) (Kg.)
4 2 16 5
6 5 26 10
8 10 36 22
8 10 36 26

*Other main type of Blocks are in following picture. You can contact our sales for products details.

BUSINESS FAQ: 

1) What is the MIN order quantity ?
USD 1580 in total value, usually 1 ton.

2)What is the delivery time?
15 -20 days since received the deposit.

3)What is the Payment term?
A. 30% TT deposit, the balance against copy B/L.
B. Irrevocable L/C at sight.
C. Other payment can be negotiated.

4)Could I get free samples before first cooperation? 
Yes, of course! But the buyer need to afford express fee, which is returnable once we build cooperation.

5)What's the packing method?
Packing methods for most of the products are in the cartons or polywood case.Special packages are available upon
customers'need. You can contact us for special or more detailed packages.

Why choose CZPT (lift-sunny )

1). "ONE-STOP" Rigging and Marine supplier:  a great variety of rigging and marine products including 1,000 kinds
of products, 3,000 kinds of specifications, which are widely used in Construction,Transportation, Forestry, Oil&Gas,
Agriculture, Utilities, Aerospace, Marine, Manufacturing, Mining, Fishing and Government. 

2). Old history: since 1986, more than 30 years focus on rigging, marine and rubber products.
The founding principles of the company have never changed-business integrity,quality is everything.

3). Strong development capabilities: processing with Given materials and samples at own
module workshop, save cost, finish customers special and big order rapidly.

4). 4 round Superior Quality Control with 10 years records and zero complaint: 
4 round quality inspection including raw materials, production, finished products, final package, have a thorough
quality control system, professional staff, every step is under strict inspection, to insure 
that every product is perfect.For the individual and mass production part, the records which include the
sub-contractor records will be retained at least 10 years since the record has been made,
(e.g. inspection/test record, control plan, etc)
In the past years,the complaint rate of product quality from more than 50 countries customers is zero.

5). Certificate of Quality: ISO9001, CE, GS, CCS, ABS, BV, KR, REACH, etc. Photos as below.

6). Reasonable and Competitive price compared with others with same quality.

7). Fast Delivery time: within 20 days for most products.

8). Comfortable and topping after-sales service with 99.8% satisfaction rate for more than
50 countries and regions: We will send you "Customer Satisfaction Inventory" after you receive our first order.
If you are not satisfied with our quality,price or service, please list your comments or suggestions, the next day, our
senior manager will personally call you or email you, apologize to you, to solve your problem.Because day after day,
year after year of self-correction, our current customer satisfaction rate has reached 99.8%. we are very proud of this.
Of course, we still need to continue to work hard.Our main marketing as below picture.

9). Great Supports for marketing. With us, your money and business in safe.If you want to be
No.1 you should contact with us right now!

 

What is a pulley?

Pulleys are shafts or wheels on a shaft that support the movement and change of direction of a taut cable. The pulley also transfers power from the shaft to the cable. A simple pulley is used to raise the school flag. Read on to learn about the basic types of pulleys. We also covered the use of pulleys in everyday life. Read on to learn more about this important mechanical part.
pulley

composite pulley

A composite pulley is a mechanical system where 2 or more pulleys and ropes are connected together. It reduces the force required to lift the load because the force is divided by the distance of each pulley. Distance is equal to the mass of the object. Composite pulleys are a common mechanical system on sailboats. Composite pulleys can be used to lift heavy equipment such as sails.
The compound pulley unit consists of 2 pulleys, 1 fixed and the other movable. The fixed pulley is fixed overhead, while the movable pulley is connected to the load by a chain. The lift applies force to the other end of the rope. Anchor points are attached to fixed joists, ceiling joists or sturdy branches. The chain should be long enough to support the load during lifting.
Composite pulleys can be made from a variety of materials. Some are fixed and remain fixed. Others are detachable. The composite pulley combines the advantages of both types, making it a versatile tool. In the table below, these 3 types of pulleys are compared. It's easy to see which 1 is best for your needs. The right choice depends on your specific needs and budget.
The compound pulley system consists of 2 fixed pulleys and 1 movable pulley. The compound pulley system multiplies the force by a factor of 2. The compound pulley system is particularly suitable for heavy loads and is ideal for construction sites. Workers apply less than half the load force on the composite pulley, significantly reducing the force required. This is a major benefit for many people.

Fixed pulley

Fixed pulleys are fixed gears of fixed length that are mounted on solid objects. There are many different types of pulley systems. Some cooperate with each other, but not "fixed".
Fixed pulleys can be used for a variety of purposes. One application is to lift small objects. They have a one-to-1 mechanical advantage. Often, a single pulley can lift small loads. The force required to lift a single fixed pulley remains the same. They are usually used to lift lighter objects. They can even be attached to buckets used to draw water from wells.
While single fixed pulleys have desirable mechanical advantages, they are not suitable for force multipliers. Because their mechanical advantage diminishes over time, they are not effective force multipliers. They are used to redirect work so that it can be applied in the most convenient direction. This mechanical advantage is the main advantage of fixed pulleys and the most common way of moving objects. They have several benefits, including the ability to increase the speed of moving objects.
Another application for fixed pulleys is lifting supplies. A scaffold can weigh more than 1 and can be directly hoisted. In order to facilitate the transportation of materials, fixed pulleys are usually installed on the top of the scaffolding on construction sites. Then thread the rope through the edge of the groove that holds the pulley. The fixed pulley exerts the same force on the pull side as on the push side. The same is true for moving objects with fixed pulleys.
pulley

moving pulley

A movable pulley is a device whose part is fixed to another object, usually a rod or beam. The movable part moves with the load, making the load feel lighter. This is a useful tool for those who need to carry heavy items such as large bags. The advantages of moving pulleys are many. Here are some of them. Read on to learn more about them.
One of the most common uses of movable pulley systems is climbing high objects. Climbers act as pulley loads and pull ropes to lift objects. Eventually, when the traction stops, the climber descends. However, it is still a useful tool in other situations. The movable pulley system can help you climb the tallest objects or lift them to level surfaces.
Another example of movable pulleys is in industry. Depending on the load, movable pulleys make handling and moving loads easier. You can use them in a variety of applications in manufacturing and industry, including cleaning. For example, the American flag is raised and lowered every day. Removable pulleys are a handy tool when buildings need cleaning.
If you're not sure whether a task requires a pulley, a zipline might be a good option. Connect the 2 ends of the rope and the pulley will move along the rope, then attach the rope to the metal cable. The load is the person holding the pulley, and the force comes from the attachment on the other end of the rope. There are 2 types of live pulleys: simple pulleys with just 1 wheel and live pulleys with many ropes attached.

School flag raised with simple pulleys

How is the school flag raised? It is pulled up by a rope attached to a pulley at the top of the pole. When the rope is pulled, the pulley turns, raising the flag. A pulley is a simple mechanism that helps people move heavier objects with ease. The rope must be securely attached to the pulley to keep the flag stable.
A simple pulley is a spinning wheel with grooves on 1 side and ropes on the other. The rope can be any length and the wheels can be any size. The rope has to go through the groove and the load is attached to the other end of the rope. Simple pulleys are pulleys with fixed shafts. An example is the wheel on a school flagpole.
A simple pulley system consists of a primary pole, a secondary pole and an outer member. The primary flagpole is connected to the track by a detour, while the secondary flagpole is connected to the track by a pipe. There is a groove on 1 side of the track, which passes through the inner cavity of the flagpole. An open track at the upper end of the track connects the 2 parts of the pulley.
A simple pulley can be used for many purposes. This is a useful machine that can be used to raise the flag. Among other things, it can be used in clothing lines, bird feeders, and even roofers. And, of course, you can use the pulley to raise the flag. Its versatility makes it an essential part of school decor.
pulley

cast iron pulley

If you are looking for pulleys for your machine, you may come across cast iron pulleys. They are usually cheap and available in a variety of sizes. The rim is held in place by a mesh attached to a central boss. The arms and spokes can be straight or curved, but most are oval. There are many uses for this type of pulley.
You might wonder why the arms of cast iron pulleys are so curved. Bent arms tend to yield rather than break. Cast iron pulleys are usually round with a slight bump on the rim, which helps keep the belt centered on the rim as it moves. On a 300mm diameter pulley, the bumps may be as small as 9mm.

China manufacturer Block Try Net Block Snatch Pulley Block for Ship/Marine     with high qualityChina manufacturer Block Try Net Block Snatch Pulley Block for Ship/Marine     with high quality

China factory Heavy Duty 4t Pulley Block Snatch Block with high quality

Product Description

Heavy Duty 4t Pulley Block Snatch Block

Brand name

Thinkwell

Usage

Towing

Material

Carbon Steel(AISI1045)

Surface

Power Painted

Size

4T 8T 10T

Color

Black, Red, Orange etc

M.O.Q

100PCS per Size

Packing

Box+ Carton+ Pallet

Delivery time

10-20days after order confirmation

Payment term

T/T, L/C, Western Union

Business type

Manufacturer, trading

Certifications

ISO9001

Notes

Special specifications and marks can be made according to customers requirements;

Welcome to HangZhou Thinkwell Hardware & Machinery Co., Ltd, the 1 stop provider for rigging hardware ,electric power
fittings and trailer hitch accessories.We are always looking to grow and improve on products manufacturing,R&D,domestic
selling and overseas exporting, an integrated supply chain management system, marketing management system and quality 
management system are applied in daily works.Thinkwell's products are wildly exported to USA,Germany,France,Canada,
Australia,Middle east,India,Singapore nowadays and serving customers all over the world. We are proud to be the industry
pioneer and acknowledged by  customers through dedicating and transforming year after year.

 

>>>FAQ:

 

1. Can I be your agent?
Yes, welcome to deep cooperation. We have big promotion of CZPT brand in the market now. For the details please contact me.

2. Is OEM available?
Yes, OEM is available. We have professional designer to help your brand promotion.

3. How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality. Free for the samples, but you need to pay for the freight.

4. What's your quality guarantee?
We have different kinds of products which can meet different quality standard.
Our QC department will teset products before shipping. We have 100% quality guarantee to customers. We will be responsible for any quality problem.

5. How about the delivery time?
The delivery time is depend on the products and the quantity. But generally, the delivery time for a container is about 1 month.

6. What's benefit will you bring?
Your client satisfied on the quality.

What Is a Pulley?

The pulley is a wheel mounted on a shaft or axle. Its purpose is to support the movement of a cable that is taut. This cable transfers power to a shaft. However, there are certain safety precautions that you should follow when using a pulley. Read on to learn more! Listed below are common uses and their main parts. Listed below are some of the benefits of using a pulley.
pulley

Common uses of a pulley

A pulley is a common mechanical device used to increase the force needed to lift a heavy object. Most commonly, these devices are used in construction equipment. These machines use high-10sion ropes to transfer heavy objects from 1 floor to another. Other common uses of a pulley include buckets and flagpoles. These devices are extremely useful in a wide range of applications. To learn more about the common uses of pulleys, keep reading.
A pulley is a wheel with grooves for holding rope. Its purpose is to change the direction and point at which a pulling force acts. It is usually used in sets to reduce the amount of force needed to lift a load, but the work involved is similar. Pulleys are also used in rock climbing devices. For many applications, a pulley is a vital part of construction.
The most common use of a pulley involves hoisting and lowering a flag. Other examples include clotheslines, bird feeders, and escalators. Pulleys are also commonly used on oil derricks. Many other common applications include hoisting and lowering garage doors. Pulley systems are also used in engines and cranes. For more information, check out our interactive pulley diagram!
Pulleys can also be used to lower total work required for a task. In many cases, a pulley will consist of 2 parts: the pulley hub and the shaft pulley. The hub clamps the shaft pulley, while the pulley itself is connected to the motor or other device. If you're looking for a pulley, it's important to learn how it works.
The most common uses for a pulley involve lifting heavy objects, and the mechanism used to lift them is known as a pulley. A pulley is an industrial device that uses 2 wheels to reduce the force needed to lift a weight. The pulley reduces this force by half by allowing the user to pull on the rope 4 times as far. The pulley also allows for a smaller lifting distance.

Main parts of a pulley

A pulley consists of the main element of a system. This is typically a cable, rope, belt, or chain. There are 2 basic types of pulleys - a Driver Pulley and a Follower Pulley. Pulleys are available in small and large sizes. The periphery part of the pulley is called the Face, and the protruding middle part is called the Crown. A pulley's face can be round, rectangular, or even "V" shaped.
The first pulley was created by the Greek mathematician Archimedes in the third century BCE. These simple machines are made of a rope, an axle, and a wheel. The pulley's end is attached to a person, object, or motor. These machines can be used in various tasks to lift heavy objects. The pulley is a great mechanical advantage for any lifter.
The ideal mechanical advantage of a pulley is defined by the number of rope segments that pull an object. The higher the number of loops on the rope, the higher the mechanical advantage. The greater the mechanical advantage, the less force is required to move the object. Likewise, the greater the distance the rope traverses, the higher the mechanical advantage of a pulley. There are several different types of pulley, depending on their combination of rope, wheel, and rope.
The basic components of a pulley are the face and hub, and the rope is threaded into the center of the pulley. The pulley is usually made of a rope and can be used to lift heavy weights. It can also be used to apply great force in any direction. Step pulleys have multiple faces, which are fixed in sequence. They can also increase the speed of the driven pulley.
A pulley is a simple machine consisting of a wheel, rope, or chain. These parts are crucial for making moving and lifting easier. Because they change the direction and magnitude of force, they can be a useful tool. Some pulleys even change direction. You can learn more about the pulley by downloading this resource today. The resources are designed to support the new 9-1 GCSEs in Design & Technology and Engineering.
pulley

Mechanical advantage

Pulleys have been used to move heavy objects for centuries. When 2 rope sections are used, the weight of a 100kg mass can be moved with only 500 newtons of force. Adding an extra pulley increases the mechanical advantage. If the pulley has 2 wheels, the distance between the rope sections and the wheel grooves is only half the distance, but the mechanical advantage still applies. Adding another pulley increases the mechanical advantage, but can be risky.
Mechanical advantage is the ratio of force used versus force applied. The calculations are made under the assumption that the ropes and weights do not elongate or lose energy due to friction. If the weights are very light, the mechanical advantage is greater than that in the real world. To calculate the mechanical advantage, the weight of the load to be lifted must be the same as the weight of the person using the pulley.
A single moveable pulley has a mechanical advantage of two. The weight passes around the pulley, and 1 end of the rope is attached to a fixed point. The pulling force is then applied to the other end of the rope. The distance the weight travels doubles, or halved, depending on the direction of the pulley. Adding a second pulley reduces the distance and the effort required to lift it.
There are several ways to calculate the mechanical advantage of a pulley system. Some methods are specific to certain types of systems, while others work for all systems. The T-Method is a good choice in many applications, as it calculates the units of tension for each rope segment. Once you have determined the input force, you need to determine the maximum force that will be applied to each component. A compound pulley, for example, will require 4 units of tension for each rope segment.
In simple terms, the effort is the amount of force needed to lift the load. This force is measured in newtons (N). A mechanical advantage is often presented without units. If the student does not have this unit, you may need to convert the units to newtons, since 1 kilogram is equal to 10 newtons. If you can't figure out the units of effort, you can use the KWL chart provided by the teacher.
pulley

Safety precautions

There are a few safety precautions you should take when using a pulley. First, always check the SWL (safe working load) before attaching anything to the pulley. This indicates the maximum weight and angle the pulley can safely handle. Second, make sure that your work area is free from people and debris. Third, wear a hard hat to protect your head from blows and falling objects.
Another important consideration is anchoring. Although the pulley reduces the weight of an object, it is not enough to eliminate the weight. This is especially true if you are hoisting a heavy object, such as a motorcycle or lawnmower. It is important to ensure that the anchoring point can support the entire weight of the load. It is also important to follow proper anchoring procedures when using a pulley to lift a motorcycle or lawnmower.
In addition to the safety latch, you should use a tag line to control the suspended load. Remember that a chain pulley block is necessary for vertical lifting. You should also wear personal protective equipment (PPE) while using a pulley to avoid injuries. If your workplace does not have an PPE policy, you should consider implementing a similar policy. These safety guidelines are a good start.
If you are using a pulley to lift heavy objects, make sure to wear gloves. Those who are not familiar with rope-pulling will have an easier time demonstrating how it works. If you are using a rope-pulley system in a classroom, be sure to follow lab safety guidelines. Wear cloth gloves, clear the area, and do not jerk the rope. In addition, never allow yourself to be pulled into the rope by an unfamiliar person.
Another important safety precaution when using a pulley is to ensure that the anchor point for your system is adequate to support the weight of the object being lifted. Check with the manufacturer of the pulley to find out what its weight limit is, as some types of pulleys are designed to lift much heavier weights than others. It is important to follow all manufacturer's instructions when using a pulley.

China factory Heavy Duty 4t Pulley Block Snatch Block     with high qualityChina factory Heavy Duty 4t Pulley Block Snatch Block     with high quality

China supplier 2t Double Wheel Pulley Block Forged with Roller Bearings with Free Design Custom

Product Description

Product Description
DOUBLE WHEEL WIRE ROPE PULLEY BLOCK FORGED WITH ROLLER BEARINGS
Used for wire rope in construction
Technical Data and Dimensions
DOUBLE WHEEL WIRE ROPE PULLEY BLOCK FORGED WITH ROLLER BEARINGS

Size W.L.L. Rope Dia.  Weight Each
(Ton.) (Ton.) (mm.) (Kg.)
1 1 12 3.75
2 2 14 5.17
3 3 20 8
5 5 23 15
8 8 26 30
10 10 28 43

*Other main type of Blocks are in following picture. You can contact our sales for products details.

BUSINESS FAQ: 

1) What is the MIN order quantity ?
USD 1580 in total value, usually 1 ton.

2)What is the delivery time?
15 -20 days since received the deposit.

3)What is the Payment term?
A. 30% TT deposit, the balance against copy B/L.
B. Irrevocable L/C at sight.
C. Other payment can be negotiated.

4)Could I get free samples before first cooperation? 
Yes, of course! But the buyer need to afford express fee, which is returnable once we build cooperation.

5)What's the packing method?
Packing methods for most of the products are in the cartons or polywood case.Special packages are available upon
customers'need. You can contact us for special or more detailed packages.

Why choose CZPT (lift-sunny )

1). "ONE-STOP" Rigging and Marine supplier:  a great variety of rigging and marine products including 1,000 kinds
of products, 3,000 kinds of specifications, which are widely used in Construction,Transportation, Forestry, Oil&Gas,
Agriculture, Utilities, Aerospace, Marine, Manufacturing, Mining, Fishing and Government. 

2). Old history: since 1986, more than 30 years focus on rigging, marine and rubber products.
The founding principles of the company have never changed-business integrity,quality is everything.

3). Strong development capabilities: processing with Given materials and samples at own
module workshop, save cost, finish customers special and big order rapidly.

4). 4 round Superior Quality Control with 10 years records and zero complaint: 
4 round quality inspection including raw materials, production, finished products, final package, have a thorough
quality control system, professional staff, every step is under strict inspection, to insure 
that every product is perfect.For the individual and mass production part, the records which include the
sub-contractor records will be retained at least 10 years since the record has been made,
(e.g. inspection/test record, control plan, etc)
In the past years,the complaint rate of product quality from more than 50 countries customers is zero.

5). Certificate of Quality: ISO9001, CE, GS, CCS, ABS, BV, KR, REACH, etc. Photos as below.

6). Reasonable and Competitive price compared with others with same quality.

7). Fast Delivery time: within 20 days for most products.

8). Comfortable and topping after-sales service with 99.8% satisfaction rate for more than
50 countries and regions: We will send you "Customer Satisfaction Inventory" after you receive our first order.
If you are not satisfied with our quality,price or service, please list your comments or suggestions, the next day, our
senior manager will personally call you or email you, apologize to you, to solve your problem.Because day after day,
year after year of self-correction, our current customer satisfaction rate has reached 99.8%. we are very proud of this.
Of course, we still need to continue to work hard.Our main marketing as below picture.

9). Great Supports for marketing. With us, your money and business in safe.If you want to be
No.1 you should contact with us right now!

 

The importance of pulleys

A pulley is a wheel that rides on an axle or axle. The purpose of the pulley is to change the direction of the tensioning cable. The cable then transfers the power from the shaft to the pulley. This article explains the importance of pulleys and demonstrates several different uses for this machine. Also, see the Mechanical Advantages section below for the different types. let's start.
pulley

simple machine

A simple pulley machine is a device used to transfer energy. It consists of a wheel with flexible material on the rim and a rope or chain tied to the other end. Then lift the load using the force applied to the other end. The mechanical advantage of this system is one, as the force applied to the load is the same as the force on the pulley shaft.
A simple pulley machine has many benefits, from the ability to build pyramids to building modern buildings with it. Pulleys are also popular with children because they can perform simple tasks such as lifting toys onto a slide, sliding them off the slide, and lifting them up again. These activities, called "transportation" by child development theorists, allow them to learn about the physics of simple machines in the process.
The mechanism works by using cables to transmit force. The cable is attached to 1 side of the pulley and the other side is pulled by the user. Lift the load by pulling on 1 end and the other end of the rope. Simple pulley machines have many commercial and everyday applications, including helping move large objects. They can be fixed or movable, and can be a combination of both. The present invention is a great tool for any beginner or engineer.

axis

The axle wheel is the basic mechanical part that amplifies the force. It may have originally appeared as a tool to lift buckets or heavy objects from a well. Its operation is demonstrated by large and small gears attached to the same shaft. When applied to an object, the force on the large gear F overcomes the force W on the pinion R. The ratio of these 2 forces is called the mechanical advantage.
The ideal mechanical advantage of shaft pulleys is their radius ratio. A large radius will result in a higher mechanical advantage than a small radius. A pulley is a wheel through which a rope or belt runs. Often the wheels are interconnected with cables or belts for added mechanical advantage. The number of support ropes depends on the desired mechanical advantage of the pulley.
In the design of the axle wheel, the axle is the fulcrum and the outer edge is the handle. In simple terms, wheels and axle pulleys are improved versions of levers. The axle pulley moves the load farther than the lever and connects to the load at the center of the axle. Shaft pulleys are versatile and widely used in construction.

rope or belt

Ropes or pulleys are mechanical devices used to move large masses. The rope supports a large mass and can be moved easily by applying a force equal to 1 quarter of the mass to the loose end. Quad pulleys have 4 wheels and provide the mechanical advantage of 4 wheels. It is often used in factories and workshops. It is also a popular choice in the construction industry. If you are installing a pulley in your vehicle, be sure to follow these simple installation instructions.
First, you need to understand the basics of how a rope or pulley works. The machine consists of 1 or more wheels that rotate on an axle. The rope or belt is wrapped around the pulley and the force exerted on the rope is spread around the pulley. It then transfers the force from 1 end of the rope to the other. The pulley system also helps reduce the force required to lift objects.
Another common rope or pulley is the differential pulley. This is similar to a rope pulley, but consists of 2 pulleys of different radii. The tension in the 2 halves of the rope supports half the load that the live pulley should carry. These 2 different types of pulleys are often used together in composite pulley systems.
pulley

Mechanical advantage

The mechanical advantage is the ratio of the force used to move the load through the pulley system to the force applied. It has been used to measure the effectiveness of pulley systems, but it also requires assumptions about applied forces and weights. In a simple 1:1 pulley system, the weight lifting the weight is the same as the weight of the person pulling the weight. Adding mechanical advantage can help make up for the lack of manpower.
This advantage stems from the mechanical properties of simple machines. It requires less force and takes up less space and time to accomplish the same task. The same effect can also be achieved by applying less force at a distance. Furthermore, this effect is called the output force ratio. The basic working principle of a pulley system is a rope with a fixed point at 1 end. The movable pulley can be moved with very little force to achieve the desired effect.
The load can be moved through the vertical entry using a simple pulley system. It can use a simple "pulley block" system with a 2:1 "ladder frame" or a 4:1 with dual pulleys. This can be combined with another simple pulley system to create a compound pulley system. In this case, a simple pulley system is pulling another pulley, giving it a 9:1 mechanical advantage.

Commonly used

You've probably seen pulley systems in your kitchen or laundry room. You probably already use it to hang clothes on an adjustable clothesline. You may have seen motor pulleys in the kitchens of commercial buildings. You might even have seen 1 on a crane. These machines use a pulley system to help them lift heavy loads. The same goes for theaters. Some pulleys are attached to the sides of the stage, enabling the operator to move up and down the stage.
Pulley systems have many uses in the oil and petroleum industry. For example, in the oil and gas industry, pulley systems are used to lay cables. They are arranged in a pulley structure to provide mechanical energy. When the rope is running, 2 pulleys are hung on the derrick to facilitate smooth running. In these applications, pulleys are very effective in lifting heavy objects.
A pulley is a simple mechanical device that converts mechanical energy into motion. Unlike chains, pulleys are designed to transfer power from 1 location to another. The force required to lift an object with a pulley is the same as that required by hand. It takes the same amount of force to lift a bucket of water, but it's more comfortable to pull sideways. A bucket of water weighs the same as when lifted vertically, so it's easy to see how this mechanism can be useful.
pulley

Safety Notice

When using pulleys, you should take several safety precautions to keep your employees and other workers on the job site safe. In addition to wearing a hard hat, you should also wear gloves to protect your hands. Using pulleys can lead to a variety of injuries, so it's important to keep these precautions in mind before using pulleys. Here are some of the most common:
Pulleys are an important piece of equipment to have on hand when lifting heavy objects. Pulleys not only reduce the force required to lift an object, but also the direction of the force. This is especially important if you are lifting heavy objects, such as a lawn mower or motorcycle. Before starting, it is important to make sure that the anchoring system can support the full weight of the object you are lifting.
When using a pulley system, make sure the anchor points are adequate to support the load. Check with the pulley manufacturer to determine the weight it can safely lift. If the load is too large, composite pulleys can be used instead. For vertical lifts, you should use a sprocket set and wear personal protective equipment. Safety precautions when using pulleys are critical to worker health and safety.

China supplier 2t Double Wheel Pulley Block Forged with Roller Bearings     with Free Design CustomChina supplier 2t Double Wheel Pulley Block Forged with Roller Bearings     with Free Design Custom

China high quality Liftor/OEM Brand 5 Ton Manual Chain Pulley Block with Hot selling

Product Description

LIFTOR/OEM brand 5 ton manual chain pulley block
 

CB-B Series Chain Pulley Block is a portable lifting device easily operated by hand. It is suitable for using in factory, workshop, plant, agricultural production and in docks and storage for fixing machines, lifting cargo and loading and unloading goods. It is especially advantageous for lifting work in the power supply is not available. The chain pulley block can be attached to a trolley of any type as a travelling chain pulley block. It is suitable to monorail overhead conveying system, had travelling crane and jib crane.

Chain Pulley Block Features:

Chain Pulley Block Chain Hoist:
Capacity: From 1T to 3T
This innovative and patented hand chain hoist the CZPT forge 360 is designed for heavy industrial applications.
This 360 rotating hand chain CZPT allows hoist operations from various angles and helps the operator stay out of the danger zone.
Premium brake system ensures safe operation, low maintenance and is extremely quiet.
Sealed Roller Bearings

Easy to install:
Compact design and low headroom make the series simple to install even in confined working areas. No adjustments necessary.

Strength:
Equipped with hardened load chain for optimum strength, flexibility and long wear life.

Low maintenance:
Enclosed housing allows outdoor use.
The load brake requires no lubrications.

Quality features:
1. Wheel cover with CZPT slots guard against jamming and slipping of chain.
2. Forged swivel hooks and latches prevent twisting of chain and reduce unintentional unhooking of the unit or load.
3. Chain CZPT and stripper ensures proper fit of chain over pocket wheel.
4. Two-stage gear reduction with hardened gears and pinion.

Chain Pulley Block Parameters:

Model CB-B
Capacity(ton) 0.25 0.5 1 1.5 2 3 5 7.5 10
Standard lifting height(m) 2.5 2.5 2.5 2.5 2.5 3 3 3 3
Running Test Load(ton) 0.3125 0.625 1.25 1.875 2.5 3.75 6.25 9.375 12.5
Headroom H(mm) 280 345 376 442 470 548 688 765 765
Effort to required to lift max. load(N) 226 235 245 255 324 363 353 373 380
Load Chain Dia. (mm) Columns 1 1 1 1 1 1 2 3 4
Dia+Pitch 4× 12 5× 15 6× 18 7× 21 8× 24 10× 28 9× 27 9× 27 9× 27
Dimension
(mm)
A 121 148 172 196 210 255 280 433 463
B 114 132 151 173 175 205 189 189 189
C 24 25 30 33 35 40 42 56 56
D 31 31.5 37.5 42.5 45 50 53 85 85
Net Weight(kg) 6.5 9.3 12.2 16.5 19.5 32 41.1 61.6 75.7
Packing Measurements
(l× w× h)(mm)
23× 16× 15 30× 17× 18 32× 18× 19 37× 20× 24 37× 20× 24 43× 40× 30 47× 44× 35.5 62× 47× 39.5 53× 51× 46.5
Extra Weight per meter
of extra lift(kg)
0.81 1 1.29 1.61 1.92 2.68 4.1 5.86 7.73

Chain Pulley Block Details:

Chain Pulley Block Pictures: 

Chain Pulley Block Package:

About US:

LIFTOR ENTERPRISES was founded in 2000 and is a leading manufacturer of lifting and material handling equipment with almost 20 years experience. We provide quality, safety and stable products to meet the highest industrial standards. We are ISO9001:2008 certified company, our products are GS,CE certified, serving all sphere of industry in the world.
 
Our brand CZPT is well sold in more than 50 countries worldwide and has earned an enviable reputation for high quality products. With our professional R&D team, we are CZPT to provide customization services with the most professional quality and never stop meeting the highest standard of safety.

LIFTOR will never stop being as an innovative manufacturer. We will continue to develop and extend our products range with high quality, safety standard and long life usage. 

Why choose us?

1. We are your one-stop service and solutions provider,certified by CE.

2. Exporting to Europe,USA,Australia,Mid East,Southeast Asia and Africa.

3. 100+ containers per month.Turnover more than US Dollar around40 millions in both 2019/2571.

4. Group company established in 2000 and be Globalsource member for more than 20 years.

5. Strict quality control and with long term quality inspection contract with SGS.

6. Products is underwritten by the China Property Insurance Company(PICC) as quality assurance for customer.

7. Passed 3rd party audit arranged by several top 500 company and be their long term contract supplier.

8. Pre-shipment quality inspection for customer by picture/video.

9. Meet Customized requirement on design and logo.

10. Small order acceptable.

 

 

What is a pulley?

Pulleys are shafts or wheels on a shaft that support the movement and change of direction of a taut cable. The pulley also transfers power from the shaft to the cable. A simple pulley is used to raise the school flag. Read on to learn about the basic types of pulleys. We also covered the use of pulleys in everyday life. Read on to learn more about this important mechanical part.
pulley

composite pulley

A composite pulley is a mechanical system where 2 or more pulleys and ropes are connected together. It reduces the force required to lift the load because the force is divided by the distance of each pulley. Distance is equal to the mass of the object. Composite pulleys are a common mechanical system on sailboats. Composite pulleys can be used to lift heavy equipment such as sails.
The compound pulley unit consists of 2 pulleys, 1 fixed and the other movable. The fixed pulley is fixed overhead, while the movable pulley is connected to the load by a chain. The lift applies force to the other end of the rope. Anchor points are attached to fixed joists, ceiling joists or sturdy branches. The chain should be long enough to support the load during lifting.
Composite pulleys can be made from a variety of materials. Some are fixed and remain fixed. Others are detachable. The composite pulley combines the advantages of both types, making it a versatile tool. In the table below, these 3 types of pulleys are compared. It's easy to see which 1 is best for your needs. The right choice depends on your specific needs and budget.
The compound pulley system consists of 2 fixed pulleys and 1 movable pulley. The compound pulley system multiplies the force by a factor of 2. The compound pulley system is particularly suitable for heavy loads and is ideal for construction sites. Workers apply less than half the load force on the composite pulley, significantly reducing the force required. This is a major benefit for many people.

Fixed pulley

Fixed pulleys are fixed gears of fixed length that are mounted on solid objects. There are many different types of pulley systems. Some cooperate with each other, but not "fixed".
Fixed pulleys can be used for a variety of purposes. One application is to lift small objects. They have a one-to-1 mechanical advantage. Often, a single pulley can lift small loads. The force required to lift a single fixed pulley remains the same. They are usually used to lift lighter objects. They can even be attached to buckets used to draw water from wells.
While single fixed pulleys have desirable mechanical advantages, they are not suitable for force multipliers. Because their mechanical advantage diminishes over time, they are not effective force multipliers. They are used to redirect work so that it can be applied in the most convenient direction. This mechanical advantage is the main advantage of fixed pulleys and the most common way of moving objects. They have several benefits, including the ability to increase the speed of moving objects.
Another application for fixed pulleys is lifting supplies. A scaffold can weigh more than 1 and can be directly hoisted. In order to facilitate the transportation of materials, fixed pulleys are usually installed on the top of the scaffolding on construction sites. Then thread the rope through the edge of the groove that holds the pulley. The fixed pulley exerts the same force on the pull side as on the push side. The same is true for moving objects with fixed pulleys.
pulley

moving pulley

A movable pulley is a device whose part is fixed to another object, usually a rod or beam. The movable part moves with the load, making the load feel lighter. This is a useful tool for those who need to carry heavy items such as large bags. The advantages of moving pulleys are many. Here are some of them. Read on to learn more about them.
One of the most common uses of movable pulley systems is climbing high objects. Climbers act as pulley loads and pull ropes to lift objects. Eventually, when the traction stops, the climber descends. However, it is still a useful tool in other situations. The movable pulley system can help you climb the tallest objects or lift them to level surfaces.
Another example of movable pulleys is in industry. Depending on the load, movable pulleys make handling and moving loads easier. You can use them in a variety of applications in manufacturing and industry, including cleaning. For example, the American flag is raised and lowered every day. Removable pulleys are a handy tool when buildings need cleaning.
If you're not sure whether a task requires a pulley, a zipline might be a good option. Connect the 2 ends of the rope and the pulley will move along the rope, then attach the rope to the metal cable. The load is the person holding the pulley, and the force comes from the attachment on the other end of the rope. There are 2 types of live pulleys: simple pulleys with just 1 wheel and live pulleys with many ropes attached.

School flag raised with simple pulleys

How is the school flag raised? It is pulled up by a rope attached to a pulley at the top of the pole. When the rope is pulled, the pulley turns, raising the flag. A pulley is a simple mechanism that helps people move heavier objects with ease. The rope must be securely attached to the pulley to keep the flag stable.
A simple pulley is a spinning wheel with grooves on 1 side and ropes on the other. The rope can be any length and the wheels can be any size. The rope has to go through the groove and the load is attached to the other end of the rope. Simple pulleys are pulleys with fixed shafts. An example is the wheel on a school flagpole.
A simple pulley system consists of a primary pole, a secondary pole and an outer member. The primary flagpole is connected to the track by a detour, while the secondary flagpole is connected to the track by a pipe. There is a groove on 1 side of the track, which passes through the inner cavity of the flagpole. An open track at the upper end of the track connects the 2 parts of the pulley.
A simple pulley can be used for many purposes. This is a useful machine that can be used to raise the flag. Among other things, it can be used in clothing lines, bird feeders, and even roofers. And, of course, you can use the pulley to raise the flag. Its versatility makes it an essential part of school decor.
pulley

cast iron pulley

If you are looking for pulleys for your machine, you may come across cast iron pulleys. They are usually cheap and available in a variety of sizes. The rim is held in place by a mesh attached to a central boss. The arms and spokes can be straight or curved, but most are oval. There are many uses for this type of pulley.
You might wonder why the arms of cast iron pulleys are so curved. Bent arms tend to yield rather than break. Cast iron pulleys are usually round with a slight bump on the rim, which helps keep the belt centered on the rim as it moves. On a 300mm diameter pulley, the bumps may be as small as 9mm.

China high quality Liftor/OEM Brand 5 Ton Manual Chain Pulley Block     with Hot sellingChina high quality Liftor/OEM Brand 5 Ton Manual Chain Pulley Block     with Hot selling

China Standard Hhfp 4001-6001 Hay Fork Pulley Block with Good quality

Product Description

Company Profile:

HangZhou CZPT Industries Co., Ltd was founded in 1994. It consists of the company headquarters, 3 wholly-owned manufacturing factories and 3 joint-venture factories.
Our products are widely used in metallurgy, electric power, shipyard, sea port, oil-field, railway, machinery, auto, energy, aerospace, etc.
The company has top-notch technical and R&D team, consisting of 3 professor-level senior engineers, 6 senior engineers and 12 engineers. The company and its factories have passed the certification of ISO9001-2008 Quality Management System. With advanced mechanical property testing machines, as well as physical &chemical testing center, the company can independently carry out the tensile test less than 300 tons, chemical composition analysis of such metal materials as steel, aluminum, copper, etc.
We have already been 1 of the best suppliers of Wire Rope Assembles, Pressing Products and Lifting Tools in China, and hope to be the global first-class supplier under your deep affection and support.

Hey Fork Pulley
HHFP4001-HHFP6001

SIZE: 4, 6

1) A leading manufacturer of pulley blocks in China.
2) High quality products with competitive price.
3) Exporting 50 containers per months abroad from 1994 to now and have won a high reputation in the market.
4) An ISO 9001: 2008 Certified Manufacturer.

Part No. Size S. W. L Dia. of Rope N. W.
  inch ton inch kgs
HHFP4001   4   1   1 1/4   2.46
HHFP4002   4   1   1/2   2.36
HHFP6001   6   2   1 1/2   5.95
HHFP6001   6   2   5/8   6.25

MAIN PRODUCTS:

FACTORY:

Exhibiton:
Our company attends exhibitions at home and abroad every year, like Canton Fair,ZheJiang International Fair. International Hardware Fair Cologne, InternationalOil & Gas Industry Exhibition & Conference, (Africa) China CommoditiesTechnology & Services Expo, Vietnam Hardware & Hand Tools, NationalHardware Show in Las Vegas, FEICON/BATIMAT in St Paul, etc.

FAQ:
1.What's your advantage compared to your competitor?
We are very strict in the products quality. We have superior service, competitive price and on-time delivery.

2.How to place an order?
 

3.How long can I get the sample?
If we have the product in stock, we can send it to you once we get your contact information. The samples can be sent to you via DHL,UPS,TNT,FEDEX or other international express.

4.How can order the products without any acknowledge of import?
We can send products to you by international express or our shipping agent can arrange shipment by sea/air for you.

Calculate the ideal mechanical advantage of pulleys

The basic equations for pulleys can be found in this article. It will also cover the different types of pulleys, the ideal mechanical advantages of pulleys, and some common uses of pulley systems. Read on to learn more! After all, a pulley is a simple mechanical device that changes the direction of a force. Learn more about pulleys and their common uses in engineering.
pulley

pulley basic equation

Pulleys work the same way as gravity, so they should withstand similar forces. Newton's laws of motion can be used to calculate the forces in a pulley system. The second law of motion applies to forces and accelerations. Similar to this is Newton's third law, which states that the directions of forces are equal and opposite. The fourth law dictates the direction of force. The Fifth Law states that tension is in equilibrium with gravity.
A pulley is a simple mechanism that transmits force by changing direction. They are generally considered to have negligible mass and friction, but this is only an approximation. Pulleys have different uses, from sailboats to farms and large construction cranes. In fact, they are the most versatile mechanisms in any system. Some of their most common applications and equations are listed below.
For example, consider 2 masses m. Those of mass m will be connected by pulleys. The static friction coefficient of the left stop is ms1, and the static friction coefficient of the right stop is ms2. A no-slip equation will contain multiple inequalities. If the 2 blocks are considered to be connected by a pulley, the coefficient of kinetic friction is mk. In other words, the weight of each block carries the same mass, but in the opposite direction.

Types of pulleys

A pulley is a device used to pull and push objects. Pulley systems are ropes, cables, belts or chains. The "drive pulley" is attached to the shaft and moves the driven pulley. They are available in a variety of sizes, and the larger they are, the higher the speed of power transmission. Alternatively, use small pulleys for smaller applications.
Two-wheel pulleys have 2 mechanical advantages. The greater the mechanical advantage, the less force is required to move the object. More wheels lift more weight, but smaller pulleys require less force. In a two-wheel pulley system, the rope is wound around 2 axles and a fixed surface. As you pull on the rope, the shafts above slowly come together.
Compound pulleys have 2 or more rope segments that are pulled up on the load. The mechanical advantage of compound pulleys depends on the number of rope segments and how they are arranged. This type of pulley can increase the force by changing the direction of the rope segment. There are 2 main types of pulleys. Composite pulleys are most commonly used in construction. The ideal mechanical advantage of pulleys is 2 or more.
Construction pulleys are a basic type. They are usually attached to wheel rails and can be lifted to great heights. Combinations of axes are also common. Construction pulleys can be raised to great heights to access materials or equipment. When used in construction, these pulleys are usually made of heavy materials such as wood or metal. They are secured with ropes or chains.

The ideal mechanical advantage of pulleys

The pulley system is a highly complex system with high mechanical advantages. Use a single pulley system to reduce the force required to lift an object by cutting it in half. The mechanical advantage increases as you add more pulleys, such as 6 or seven. To calculate the mechanical advantage of a pulley system, you need to count the number of rope segments between the pulleys. If the free end of the rope is facing down, don't count it. If it's facing up, count. Once you have your number, add it up.
The required mechanical advantage of a pulley is the number of rope segments it has to pull the load. The more rope segments, the lower the force. Therefore, the more rope segments the pulley has, the lower the force. If the rope segments are four, then the ideal mechanical advantage is four. In this case, the composite pulley quadrupled the load force.
The ideal mechanical advantage of a pulley system is the sum of the mechanical force and the force required to lift the load at its output. Typically, a single pulley system uses 2 ropes, and the mechanical force required to lift the load is multiplied by the 2 ropes. For a multi-pulley system, the number of ropes will vary, but the total energy requirement will remain the same. The friction between the rope and pulley increases the force and energy required to lift the load, so the mechanical advantage diminishes over time.
pulley

Common uses of pulley systems

A pulley system is a simple mechanical device typically used to lift heavy objects. It consists of a rotating wheel attached to a fixed shaft and a rope attached to it. When the wheel moves, the force applied by the operator is multiplied by the speed of the pulley, and the force is multiplied by the weight of the object being lifted. Common uses for pulley systems include pulling, lifting, and moving heavy objects.
The oil and petroleum industries use pulley systems in a variety of applications. Most commonly, pulleys are used in drilling operations and they are installed on top of the rig to guide the cable. The cable itself is attached to 2 pulleys suspended in the derrick, where they provide mechanical energy to the cable. Using a pulley system in this application provides the force needed to move the cable safely and smoothly.
The main advantage of the pulley system is that it minimizes the force required to lift an object. The force used to lift the object is multiplied by the desired mechanical advantage. The more rope segments, the lower the force required. On the other hand, a compound pulley system can have many segments. Therefore, a compound pulley system can increase the force a worker can exert on an object.
Safety Precautions to Take When Working on Pulley Systems

There are many safety precautions that should be observed when working on a pulley system. The first is to wear proper protective gear. This includes hard hats that protect you from falling objects. Also, gloves may be required. You should limit the amount of movement in the penalty area, and you should also keep the area free of unnecessary people and objects. Also, remember to wear a hard hat when working on the pulley system.
Another important safety precaution when working on a pulley system is to check the Safe Working Load (SWL) of the pulley before attaching anything. This will help you understand the maximum weight the pulley can hold. Also, consider the angle and height of the pulley system. Always use safety anchors and always remember to wear a hat when working on a pulley system.
Safe use of chain hoists requires training and experience. It is important to read the manufacturer's manual and follow all safety precautions. If you're not sure, you can actually inspect the hoist and look for signs of damage or tampering. Look for certifications for sprocket sets and other lifting accessories. Look for the Safe Working Load (SWL) marking on the chain hoist.
pulley

Example of a pulley system

Pulley systems are often used to lift items. It allows you to reduce the effort to lift and move the load by applying force in 1 direction. Pulley systems can be built and modeled to fit any type of project. This resource focuses on pulley systems and is designed to support the new GCSEs in Engineering, Design and Technology. There are also many examples of pulley systems suitable for various applications.
In the study, participants who read easy text took longer to manipulate the pulley system than those who read challenging text. In general, this suggests that participants with prior scientific experience used their cognitive abilities more effectively. Additionally, students who read simple texts spent less time planning the pulley system and more time on other tasks. However, the study did show that the time required to plan the pulley system was similar between the 2 groups.
In everyday life, pulley systems are used to lift various objects. Flagpoles are 1 of many pulley systems used to raise and lower flagpoles. They can also be used to raise and lower garage doors. Likewise, rock climbers use pulleys to help them ascend and descend. The pulley system can also be used to extend the ladder.

China Standard Hhfp 4001-6001 Hay Fork Pulley Block     with Good qualityChina Standard Hhfp 4001-6001 Hay Fork Pulley Block     with Good quality