Tag Archives: block pulley

China high quality Pulley Block Single with Hook near me shop

Product Description

SIZE(IN) W.L.L DIAM OF ROPE(MM) NET WEIGHT(KG)
3 2 3/8 2.25
6 8 1/2 12.4
8 8 3/4 16.5
10 8 3/4 21.5
12 8 3/4 26
14 8 3/4 36
16 15 7/8 56

A. Durable powder coat finish.

B. Heavy-duty permits to perform under extreme condition. 
C. Rated loads is from 2MT to 50MT. 
D. Safety factor: 4 times. 
E. 200% over load capacity test 1 by 1  before package .
F. Manufactured according to ISO9001 quality standard.
G. CE  approved.

H. One year guarantee.

High quality carton or wooden box.

Can I get a sample before order?       
sure, we provide you Free sample within 3-5 working days.

can you accept small order?   
for some normal items, we can do small quantity according your details requirement.

How about your delivery time?
25-30days

Types of Pulley Systems

If you've ever tried to lift a pail of water, you've probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.

two-wheel pulley

Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with 2 wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on 1 side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with 2 wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.
pulley

composite pulley

Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from 2 different types of wheels. The first 1 is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are 3 types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds 1 percent of the total weight, and the ideal mechanical advantage is 2 or more. So a compound pulley with 4 segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of 2 wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the 2 wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.
pulley

Fixed pulley

Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at 1 end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn't change direction, so it's easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.
pulley

Blocks and tackles

A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use 2 types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the 2 pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses 2 pulleys to lift the load. The mechanical advantage of such a system is 2 to 3 times the distance required by the rope to move the load. Depending on how they're assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.

China high quality Pulley Block Single with Hook near me shop China high quality Pulley Block Single with Hook near me shop

China supplier Ce Marke Chain Block Hsz Brand Chain Hoist 1ton 3meters Construction Hoist Chain Pulley Block near me manufacturer

Product Description

CE Marke Chain Block HSZ Brand Chain Hoist 1Ton 3Meters Construction Hoist Chain Pulley Block   
Company Information
After decades years of efforts,HangZhou Tongyida Lifting Equipment Manufacturing Co.,Ltd has become 1 of the professional enterprises specializing in chain blocks,lever blocks products.
The factory is built on an area of 2000 square meters land in HangZhou,China."TD"brand products include:*chain block from 500kg-20ton, *lever block from 750kg-9ton. The factory has passed ISO9001 quality management system and obtained SGS,CE and GS certifications

Specifacation: 

FAQ

1. If it is after sales service?
In overseas countries,we have engineers to help you deal with any problem if KIXIO hoist got problems,at the same time,
we supply free spare parts.

2.If it is quality?
Before packing hoist,our workers will send hoists to inspection center well checked .and we take detailed pictures for each
hoist before packing.You can offer our serial NO. and then know the detailed products.

3. If it is spare parts?
We are manufacturing 40% spare parts in our factory to control high quality,and the other 60% spare parts are from our lon
g term suppliers.Before stocking in warehouse,we have strict inspection for each parts.

4.If it is price?
It is the fact that each company has their profit.we pay more attention on quality .to keep our price value for quality!

5.If it is warranty?
We can provide 1 year warranty for electric parts ,2 years for mechanical parts.

Our Services

  24Hours Online Service
 
  Sample is available
 
  OEM service is available
 
  Test 1 by one
 
 Company Information
 

 As a whollyowned subsidiary company of  HangZhou Tongyida Lifting Equipment Manufacturing Co.,Ltd was found in 2013, Norho has specialised in the design, manufacture and supply of lifting and hoisting equipment.   

After more than 10 years of development, today we are one of the leading companies in our field, we have 300 staffs for professional mature design team, quality control team, production management team and sales service team.   

Weccan provide all of your lifting and material handling needs at highly competitive prices. With International ISO Approvals for its quality systems and CE, GS, TUV certification, Norho Group are proud to welcome you to our company and look forward to hearing from you. 

We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with good quality at the reasonable price.
 

Types of Pulley Systems

If you've ever tried to lift a pail of water, you've probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.

two-wheel pulley

Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with 2 wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on 1 side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with 2 wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.
pulley

composite pulley

Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from 2 different types of wheels. The first 1 is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are 3 types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds 1 percent of the total weight, and the ideal mechanical advantage is 2 or more. So a compound pulley with 4 segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of 2 wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the 2 wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.
pulley

Fixed pulley

Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at 1 end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn't change direction, so it's easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.
pulley

Blocks and tackles

A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use 2 types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the 2 pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses 2 pulleys to lift the load. The mechanical advantage of such a system is 2 to 3 times the distance required by the rope to move the load. Depending on how they're assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.

China supplier Ce Marke Chain Block Hsz Brand Chain Hoist 1ton 3meters Construction Hoist Chain Pulley Block near me manufacturer China supplier Ce Marke Chain Block Hsz Brand Chain Hoist 1ton 3meters Construction Hoist Chain Pulley Block near me manufacturer

China factory Triangle Chain Block 3 Ton Chain Block 3 Meters Chain Pulley Blocks 2 Ton near me supplier

Product Description

                Triangle chain block 3 ton chain block 3 meters chain pulley blocks 2 ton 

Company Information
After decades years of efforts,HangZhou Tongyida Lifting Equipment Manufacturing Co.,Ltd has become 1 of the professional enterprises specializing in chain blocks,lever blocks products.
The factory is built on an area of 2000 square meters land in HangZhou,China."TD"brand products include:*chain block from 500kg-20ton, *lever block from 750kg-9ton. The factory has passed ISO9001 quality management system and obtained SGS,CE and GS certifications

Specifacation: 

FAQ

1. If it is after sales service?
In overseas countries,we have engineers to help you deal with any problem if KIXIO hoist got problems,at the same time,
we supply free spare parts.

2.If it is quality?
Before packing hoist,our workers will send hoists to inspection center well checked .and we take detailed pictures for each
hoist before packing.You can offer our serial NO. and then know the detailed products.

3. If it is spare parts?
We are manufacturing 40% spare parts in our factory to control high quality,and the other 60% spare parts are from our lon
g term suppliers.Before stocking in warehouse,we have strict inspection for each parts.

4.If it is price?
It is the fact that each company has their profit.we pay more attention on quality .to keep our price value for quality!

5.If it is warranty?
We can provide 1 year warranty for electric parts ,2 years for mechanical parts.

Our Services

  24Hours Online Service
 
  Sample is available
 
  OEM service is available
 
  Test 1 by one
 
 Company Information
 

 As a whollyowned subsidiary company of  HangZhou Tongyida Lifting Equipment Manufacturing Co.,Ltd was found in 2013, Norho has specialised in the design, manufacture and supply of lifting and hoisting equipment.   

After more than 10 years of development, today we are one of the leading companies in our field, we have 300 staffs for professional mature design team, quality control team, production management team and sales service team.   

Weccan provide all of your lifting and material handling needs at highly competitive prices. With International ISO Approvals for its quality systems and CE, GS, TUV certification, Norho Group are proud to welcome you to our company and look forward to hearing from you. 

We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with good quality at the reasonable price.

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 factory Triangle Chain Block 3 Ton Chain Block 3 Meters Chain Pulley Blocks 2 Ton near me supplier China factory Triangle Chain Block 3 Ton Chain Block 3 Meters Chain Pulley Blocks 2 Ton near me supplier

China Professional Vital Brand Chain Block Chain Hoist Pulley Block with G80 Load Chain Lifting Machine near me factory

Product Description

Vital Brand Chain Block Chain Hoist Pulley Block With G80 Load Chain Lifting Machine 

Product Description

Applcation: 

VT TYPE Chain Block is a portable lifting device easily operated by hand. It is suitable for use in factories, mines, farms, construction sites, agricultural production, and in wharfs, docks and storages for fixing machines, lifting cargos, and loading and unloading goods. 

It is especially advantageous for lifting work in the open air and places where no power supply is available. 

The chain block can be attached to a trolley of any type as a traveling chain block. It is suitable to monorail overhead conveying system, handtravelling crane and jib crane. 

Feature: 

Safety, reliable in operation with minimum maintenance; 

High effiency and small hand pull; 

Light weight and easy handling; 

Fine appearance with small size; 

Durability in service. 

Packaging: 

Work shop: 

Apply for

Just feel free to contact me

Harry Zhang
 

How to use the pulley system

Using a pulley system is a great way to move things around your home, but how do you use a pulley system? Let's look at the basic equations that describe a pulley system, the types of pulleys, and some safety considerations when using pulleys. Here are some examples. Don't worry, you'll find all the information you need in 1 place!
pulley

Basic equations of pulley systems

The pulley system consists of pulleys and chords. When the weight of the load is pulled through the rope, it slides through the groove and ends up on the other side. When the weight moves, the applied force must travel nx distance. The distance is in meters. If there are 4 pulleys, the distance the rope will travel will be 2x24. If there are n pulleys, the distance traveled by the weight will be 2n - 1.
The mechanical advantage of the pulley system increases with distance. The greater the distance over which the force is applied, the greater the leverage of the system. For example, if a set of pulleys is used to lift the load, 1 should be attached to the load and the other to the stand. The load itself does not move. Therefore, the distance between the blocks must be shortened, and the length of the line circulating between the pulleys must be shortened.
Another way to think about the acceleration of a pulley system is to think of ropes and ropes as massless and frictionless. Assuming the rope and pulley are massless, they should have the same magnitude and direction of motion. However, in this case the quality of the string is a variable that is not overdone. Therefore, the tension vector on the block is labeled with the same variable name as the pulley.
The calculation of the pulley system is relatively simple. Five mechanical advantages of the pulley system can be found. This is because the number of ropes supporting the load is equal to the force exerted on the ropes. When the ropes all move in the same direction, they have 2 mechanical advantages. Alternatively, you can use a combination of movable and fixed pulleys to reduce the force.
When calculating forces in a pulley system, you can use Newton's laws of motion. Newton's second law deals with acceleration and force. The fourth law tells us that tension and gravity are in equilibrium. This is useful if you need to lift heavy objects. The laws of motion help with calculations and can help you better understand pulley systems.
pulley

Types of pulleys

Different types of pulleys are commonly used for various purposes, including lifting. Some pulleys are flexible, which means they can move freely around a central axis and can change the direction of force. Some are fixed, such as hinges, and are usually used for heavier loads. Others are movable, such as coiled ropes. Whatever the purpose, pulleys are very useful in raising and lowering objects.
Pulleys are common in many different applications, from elevators and cargo lift systems to lights and curtains. They are also used in sewing machine motors and sliding doors. Garage and patio doors are often equipped with pulleys. Rock climbers use a pulley system to climb rocks safely. These pulley systems have different types of pinions that allow them to balance weight and force direction.
The most common type of pulley is the pulley pulley system. The pulley system utilizes mechanical advantages to lift weight. Archimedes is thought to have discovered the pulley around 250 BC. in ancient Sicily. Mesopotamians also used pulleys, they used ropes to lift water and windmills. Pulley systems can even be found at Stonehenge.
Another type of pulley is called a compound pulley. It consists of a set of parallel pulleys that increase the force required to move large objects. This type is most commonly used in rock climbing and sailing, while composite pulleys can also be found in theater curtains. If you're wondering the difference between these 2 types of pulleys, here's a quick overview:

Mechanical Advantages of Pulley Systems

Pulley systems offer significant mechanical advantages. The ability of the system to reduce the effort required to lift weights increases with the number of rope loops. This advantage is proportional to the number of loops in the system. If the rope had only 1 loop, then a single weight would require the same amount of force to pull. But by adding extra cycles, the force required will be reduced.
The pulley system has the advantage of changing the direction of the force. This makes it easier to move heavy objects. They come in both fixed and mobile. Pulleys are used in many engineering applications because they can be combined with other mechanisms. If you want to know what a pulley can do, read on! Here are some examples. Therefore, you will understand how they are used in engineering.
Single-acting pulleys do not change direction, but compound pulleys do. Their mechanical advantage is six. The compound pulley system consists of a movable pulley and a fixed pulley. The mechanical advantage of the pulley system increases as the number of movable wheels decreases. So if you have 2 wheels, you need twice as much force to lift the same weight because you need a movable pulley.
The mechanical advantage of a pulley system can be maximized by adding more pulleys or rope lengths. For example, if you have a single pulley system, the mechanical advantage is 1 of the smallest. By using 2 or 3 pulleys, up to 5 times the mechanical advantage can be achieved. You can also gain up to 10 times the mechanical advantage by using multiple pulley systems.
The use of a single movable pulley system also adds to the mechanical advantage of the pulley system. In this case, you don't have to change the direction of the force to lift the weight. In contrast, a movable pulley system requires you to move the rope farther to generate the same force. Using a compound pulley system allows you to lift heavy loads with ease.
pulley

Safety Issues When Using Pulley Systems

Pulleys have an incredibly unique structure, consisting of a disc with a groove in the middle and a shaft running through it. A rope or cord is attached to 1 end of a pulley that turns when force is applied. The other end of the rope is attached to the load. This mechanical advantage means that it is much easier to pull an object using the pulley system than to lift the same object by hand.
Although pulley systems are a common part of many manufacturing processes, some employers do not train their workers to use them properly or install protection to prevent injury. It is important to wear proper PPE and follow standard laboratory safety practices during pulley system activities. Make sure any support structures are strong enough to handle the weight and weight of the rope or rope. If you do fall, be sure to contact your employer immediately.

China Professional Vital Brand Chain Block Chain Hoist Pulley Block with G80 Load Chain Lifting Machine near me factory China Professional Vital Brand Chain Block Chain Hoist Pulley Block with G80 Load Chain Lifting Machine near me factory

China Best Sales Sk 1ton Round Manual Chain Pulley Block with Best Sales

Product Description

Products Description

0.5ton-20ton hand chain pulley block round manaul chain lifting hoist

Capacity: 0.5T-20T
Thick friction discs; Safety latches.
Grade 80 load chain-made by wafios machine; Safe factor 4: 1.
More than 3 rounds inspections before export out, everyone will be inspected before delivery.
Excellent quality, top in China, always the leader.
Largest and best chain machine produce group in China, which imported from Wafios Germany and Italy.
Excellent after-sale serve, market agent support and protection.
Sample order and trail order are acceptable.
The chain block can be attached on the trolley, and used as a travelling chain block. It is also suitable to monorail overhead converying system, hand travelling crane, and jib crane.

Features
Five prominent features in design and in service.
1. Safety in operation with minimum maintenance.
2. High efficiency and small size, easy to operate.
3. Light weight and easy handling.
4. Fine appearance with small size.
5. Durablility in service.
Operation instructions
Please inspect the hooks and body, the brake device and the lubrication of transmitting parts, load chain in good condition.

 

MODEL SK-0.5 SK-1 SK-1.5 SK-2 SK-3 SLA-5 SK-7.5 SK-10 SK-15
Capacity load 500kg 1000kg 1500kg 2000kg 3000kg 5000kg 7500kg 10000kg 15000kg
Standard/m 2.5 2.5 2.5 2.5 3 3 3 3 3
Running test load(KN) 0.75 1.5 2.25 3 4.5 6.25 10 12.5 20
Headroom(drawn close up)Hmin(mm) 240 270 347 380 470 600 700 700 820
Effort required to lift max load 221 304 343 314 343 381 392 392 392
load chain number of fall 1 1 1 2 2 2 3 4 6
Load chain Dia(mm) 6 6 8 6 8 10 10 10 10
 Dimensions(mm)        A 120 120 142 178 142 178 210 356 358
B 108 122 139 122 139 162 162 162 196
C 24 28 34 34 38 48 64 64 69
D 120 142 178 142 178 210 210 210 210
Net weight(kg) 8 10 16 14 24 36 58 68 112
Gross weight(kg) 10 13 20 17 28 45 70 83 127
packing measurements(L*W*H)(CM) 28*21*17 30*24*18 34*29*20 33*28*19 38*38*20 45*39*24 55*51*29 62*50*28 68*60*34

Details Images

The Quality comparison of spare parts

Customized Service

Production process

Certifications

Usage

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.
 

How to Assemble a Pulley System

A pulley is a wheel that rotates on a shaft or shaft to support the movement of a taut cable. Pulleys allow power to be transmitted from the shaft to the cable.
pulley

Simple pulley

The simplest theory of operation of a pulley system assumes that the rope and weight are weightless and that the rope and pulley are not stretched. Since the force on the pulley is the same, the force on the pulley shaft must also be zero. Therefore, the force exerted on the pulley shaft is also distributed evenly between the 2 wires passing through the pulley. The force distribution is shown in Figure 1.
The use of simple pulleys is as old as history. Before the Industrial Revolution, people relied on muscle strength to carry heavy loads. Pulleys, levers and ramps make this possible. Today, we can see pulleys in a variety of systems, from exercise equipment to garage doors, and even rock climbers use them to help them reach greater heights. As you can see, these simple machines have been around for centuries and are used in everyday life.
Another simple pulley system is the pulley system. In this system, there is a fixed pulley at the top and a movable pulley at the bottom. The 2 pulleys are connected by a rope. This combination reduces the amount of work required to lift the load. Additionally, the ropes used in this system are usually made of rope and woven through the individual wheels of the pulley drum.
A pulley is an ingenious device that distributes weight evenly and can be used to lift heavy objects. It is easy to build and can be easily modified for a wide range of activities. Even young children can make their own with very few materials. You can also use simple household items such as washing machines, thin textbooks and even chopsticks. It's very useful and can be a great addition to your child's science and engineering activities.
The simplest pulley system is movable. The axis of the movable pulley can move freely in space. The load is attached to 1 end of the pulley and the other end to the stationary object. By applying force on the other end of the rope, the load is lifted. The force at the other end of the rope is equal to the force at the free end of the pulley.
Another form of pulley is the compound pulley. Compound pulleys use 2 or more wheels to transmit force. Compound pulleys have 2 or more wheels and can lift heavier objects. Dim is POLE2.
pulley

tapered pulley

It is important to clean and align the bolt holes before assembling the tapered pulley. The screws should be lubricated and the threads cleaned before installation. To install the pulley, insert it into the shaft keyway. The keyway should be aligned with the shaft hole to prevent foreign matter from entering the pulley. Then, alternately tighten the bolts until the pulley is tightened to the desired torque.
A tapered pulley is a basic structure. The pulley belt is arranged across 4 steps. Installed between the headstock casting and the main shaft, it is often used in the paper industry. It integrates with printing machinery and supports assembly lines. These pulleys are also available in metric range options, eliminating the need for ke-waying or re-drilling. They are easy to install, and users can even customize them to suit their needs.
CZPT Private Limited is a company that provides unique products for various industries. This large product is used for many different purposes. Also, it is manufactured for industrial use. The company's website provides detailed specifications for the product. If you need a tapered pulley, contact a company in your area today to purchase a quality product!
Tapered pulleys are vital to paper mill machinery. Its special design and construction enable it to transmit power from the engine source to the drive components. The advantages of this pulley include low maintenance costs and high mechanical strength. Cone wheel diameters range from 10 inches to 74 inches. These pulleys are commonly used in paper mills as they offer low maintenance, high mechanical strength and low wear.
A tapered sleeve connects the pulley to the shaft and forms an interference fit connector. The taper sleeve is fixed on the shaft with a key, and the corresponding inner hole is fixed on the shaft with a key. These features transmit torque and force to the pulley through friction. This allows the tapered pulley to move in a circular motion. The torque transfer characteristics of this pulley are most effective in high speed applications.
The sleeve is the most important part when assembling the tapered pulley. There is an 8-degree taper inside the cone, which is closely connected to the inner surface of the pulley. Taper sleeves and pulleys are interchangeable. However, tapered pulleys can be damaged after prolonged use.
pulley

pulley pulley system

A pulley pulley system is a great way to move heavy objects. These systems have been around for centuries, dating back to the ancient Greeks. This simple mechanism enables a person to lift heavy objects. These blocks are usually made of rope, and the number of turns varies for different types of rope. Some blocks have more cords than others, which creates friction and interferes with the easy movement of the lifting system.
When using a pulley pulley, the first thing to decide is which direction to pull. Unfavorable rigging means pulling in the opposite direction. In theory, this method is less efficient, but sometimes requires a certain amount of work space. The benefit is that you will increase the mechanical advantage of the pulley by pulling in the opposite direction. So the interception and tackle system will give you more of a mechanical advantage.
Pulley pulleys are an excellent choice for lifting heavy objects. The system is simple to install and users can easily lift objects without extensive training. Figure 3.40 shows a pulley in action. In this photo, the person on the left is pulling a rope and tying the end of the rope to a weight. When the rope is attached to the load, the rope will be pulled over the pulley and pulley.
The blocks on the blocks are attached to the ends of the rope. This creates unique lifting advantages compared to single-line systems. In Figure 3, the tension of each thread is equal to one-third of the unit weight. When the rope is pulled over the pulley, the force is divided equally between the 2 wires. The other pulley reverses the direction of the force, but that doesn't add any advantage.
Use pulleys to reduce traction and load. The weight of the load has not changed, but the length of the rope has increased. Using this method, lifting the load by pulling the rope 4 times reduces the force required to lift 1 foot. Likewise, if the pulley system had 4 pulleys instead of three, the length of the rope would be tripled.
The system can transmit loads in any direction. Rope length is determined by multiplying the distance from the fixed block to the load by the mechanical advantage. If the mechanical advantage is 3:1, then passing the rope through the pulley 3 times will produce the required traction distance. Also, the length of the rope will depend on the mechanical advantage, so if the load is 3 times the length of the rope, it will be more than 3 times the required length.

China Best Sales Sk 1ton Round Manual Chain Pulley Block with Best SalesChina Best Sales Sk 1ton Round Manual Chain Pulley Block with Best Sales

China factory 1ton 2ton Manual High Quality Vital Chain Block Lifting Machine Chain Hoisting Pulley Block near me factory

Product Description

1Ton 2Ton Manual High Quality  Vital Chain Block Lifting Machine Chain Hoisting Pulley Block 

Product Description

Applcation: 

VT TYPE Chain Block is a portable lifting device easily operated by hand. It is suitable for use in factories, mines, farms, construction sites, agricultural production, and in wharfs, docks and storages for fixing machines, lifting cargos, and loading and unloading goods. 

It is especially advantageous for lifting work in the open air and places where no power supply is available. 

The chain block can be attached to a trolley of any type as a traveling chain block. It is suitable to monorail overhead conveying system, handtravelling crane and jib crane. 

Feature: 

Safety, reliable in operation with minimum maintenance; 

High effiency and small hand pull; 

Light weight and easy handling; 

Fine appearance with small size; 

Durability in service. 

Packaging: 

Work shop: 

Apply for

Just feel free to contact me

Harry Zhang
 

Mechanical advantages of pulleys

A pulley is a mechanical device used to transmit motion. The device has a variety of uses, including lifting heavy objects. In this article, we will discuss the mechanical advantages, types, common uses and safety considerations of pulleys. We'll also discuss how to identify pulleys and their components, and what to look out for when using pulleys. Read on to learn more about pulleys.
pulley

Mechanical advantages of pulleys

The mechanical advantage of pulleys is that they change the direction of force from 1 direction to another. In this way, the person lifting the heavy object can change its position with minimal effort. The pulleys are also easy to install and require no lubrication after installation. They are also relatively cheap. Combinations of pulleys and cables can be used to change the direction of the load.
The mechanical advantage of a pulley system increases with the number of ropes used in the system. The more cycles a system has, the more efficient it is. If the system had only 1 rope, the force required to pull the weight would be equal. By adding a second rope, the effort required to pull the weight is reduced. This increase in efficiency is known as the mechanical advantage of the pulley.
Pulleys have many uses. For example, ziplines are 1 application. This is a good example of pulleys in use today. Pulley systems can be complex and require a lot of space. Using ziplines as an example, advanced students can calculate the mechanical advantage of multiple pulleys by dividing the work done by each pulley by the remainder or fraction. Regents at the University of Colorado created a zipline with K-12 input.
Another use for pulleys is weight lifting. This technique is very effective when using multiple strands of rope. A single rope going from 1 pulley to the other with just 2 hands is not enough to lift heavy objects. Using a pulley system will greatly increase the force you receive. This power is multiplied over a larger area. So your lifting force will be much greater than the force exerted by a single rope.
The pulley is a great invention with many uses. For example, when lifting heavy objects, pulleys are a great way to get the job done, and it's easier to do than 1 person. The pulley is fixed on a hinge and rotates on a shaft or shaft. Then pull the rope down to lift the object. A pulley assembly will make the task easier. In addition, it will also allow power to be transferred from 1 rotary shaft to another.
pulley

Types of pulleys

If you are an engineer, you must have come across different types of pulleys. Some pulleys come in multiple types, but a typical pulley has only 1 type. These types of pulleys are used in various industrial processes. Here are some common types of pulleys that engineers encounter on the job. In addition to the above, there are many more. If you haven't seen them in practice, you can check out a list of the different types below.
Fixed pulleys: Fixed pulleys have a roller attached to a fixed point. The force required to pull the load through the fixed pulley is the same as the force required to lift the object. Movable pulleys allow you to change the direction of the force, for example, by moving it laterally. Likewise, movable pulleys can be used to move heavy objects up and down. Commonly used in multi-purpose elevators, cranes and weight lifters.
Composite pulleys combine fixed and movable pulleys. This combination adds to the mechanical advantage of both systems. It can also change the direction of the force, making it easier to handle large loads. This article discusses the different types of pulleys used for lifting and moving. Braided pulleys are an example of these pulleys. They combine the advantages of both types.
A simple pulley consists of 1 or more wheels, which allow it to reverse the direction of the force used to lift the load. On the other hand, dual-wheel pulleys can help lift twice the weight. By combining multiple materials into 1 pulley, a higher ME will be required. Regardless of the type of pulley, understanding the principles behind it is critical.
Pulleys are an important part of construction and mechanical engineering, and their use dates back to Archimedes. They are a common feature of oil derricks and escalators. The main use of pulleys is to move heavy objects such as boats. In addition to this, they are used in other applications such as extending ladders and lifting heavy objects. The pulley also controls the aircraft rudder, which is important in many different applications.

Commonly used

Common uses for pulleys are varied. Pulley systems are found throughout most areas of the house, from adjustable clotheslines to motor pulleys in different machines. Commercially, 1 of the most common uses is for cranes. Cranes are equipped with pulleys to lift heavy objects. It is also common to use pulley systems in tall buildings, which allow tall buildings to move with relative ease.
Pulleys are commonly used in interception and zipline systems, where a continuous rope around the pulley transmits force. Depending on the application, the rope is either light or strong. Pulleys are formed by wrapping a rope around a set of wheels. The rope pulls the object in the direction of the applied force. Some elevators use this system. Pull a cable on 1 end and attach a counterweight on the other end.
Another common use for pulleys is to move heavy objects. Pulleys mounted on walls, ceilings or other objects can lift heavy objects like heavy toolboxes or 2x4 planks. The device can also be used to transfer power from 1 rotating shaft to another. When used to lift heavy objects, pulleys can be used to help you achieve your goals of a good workout.
Pulley systems have a variety of uses, from the most basic to the most advanced. Its popularity is indisputable and it is used in different industries. A good example is timing belts. These pulleys transmit power to other components in the same direction. They can also be static or dynamic depending on the needs of the machine. In most cases, the pulley system is custom made for the job.
Pulley systems can be simple or complex, but all 3 systems transfer energy efficiently. In most cases, the mechanical advantage of a single pulley is 1 and the mechanical advantage of a single active pulley is 2. On the other hand, a single live pulley only doubles the force. This means you can trade effort for distance. Pulleys are the perfect solution for many common applications.
pulley

Safety Notice

If you use pulleys, you need to take some safety precautions. First, make sure you're wearing the correct protective gear. A hard hat is a must to avoid being hit by falling objects. You may also want to wear gloves for added protection. You should also maintain a good distance from the pulley so that nearby people can walk around it safely.
Another important safety measure to take before using a chain hoist is to barricade the area to be lifted. Use marker lines to prevent the load from sliding when moving horizontally. Finally, use only the sprocket set for vertical lift. Always install shackle pins before lifting. You should also wear personal protective equipment such as earplugs and safety glasses when using the chain hoist.
In addition to these safety measures, you should also use cables made from aerospace-grade nylon. They will last many cycles and are made of high quality materials. Also, make sure the cables are lubricated. These measures reduce friction and corrosion. No matter what industry you are in, be sure to follow these precautions to ensure a long service life for your cables. Consult the cable manufacturer if you are unsure of the appropriate material. A company with 60 years of experience in the cable industry can recommend the right material for your system.

China factory 1ton 2ton Manual High Quality Vital Chain Block Lifting Machine Chain Hoisting Pulley Block near me factory China factory 1ton 2ton Manual High Quality Vital Chain Block Lifting Machine Chain Hoisting Pulley Block near me factory

China OEM 0.5-50 Ton Manual Chain Block Chain Pulley Pulley Hoist Block for Best Price (HSZ-V) with Good quality

Product Description


HSZ-V Giant Lift 0.5-50 Tons Heavy Duty Manual Chain Hosit with Hook

Product Description

Chain Block is suitable for small equipment and goods of short distance lifting, lifting weight is generally not more than 50T. The material of the hand gourd is high quality alloy steel, strong wear resistance, high safety performance.
The HSZ series chain block is a portable lifting device easily operated by hand chain, it is applicable for use in factory, mines, farms, construction sites, wharves, docks and warehouses for installation of equipment, as well as for loading and unloading goods. It is have special advantage for lifting work in open air grounds and places where no electric power supply is available.
The chain block can be attached to a trolley of any type as traveling chain block. It is suitable to monorail overhead conveying system, hand traveling crane and jib cranes.

Product Feature:

1. Small size, light weight and easy to carry
2. All steel construction-impact resistant covers that provide durability and protection.
3. Unique curling design-this feature enables the hand chain to successfully feed directlyinto the wheel sprocket from many directions and angles.
4. Grade 80 load chain-grade 80 black oxide coated load chain for durability.
5. Forged alloy steel hooks- industrial rated hooks rotate 360 degrees for easy rigging.Hooks slowly stretch to indicate an overload situation increasing jobsite safety.
6. Sealed roller bearings-greatly improving performance and serve life of the product.
7. Certification-load tested to 150% of capacity with certificate.
8. Steady rotation, light hand pulling force
9. Double pawl
10. With CE approved
11. The overhead trolley is optional

Product Parameters

HSZ
Model HSZ-0.5 HSZ-1 HSZ-1.5 HSZ-2 HSZ-3 HSZ-5 HSZ-10 HSZ-20
Capacity(t) 0.5 1 1.5 2 3 5 10 20
Standard lift(m) 2.5 2.5 2.5 2.5 3 3 3 3
Effort required to lift max.load 170 340 390 340 390 420 420 420x2
No.of columns of load chain 1 1 1 2 2 2 4 8
Load chain dia.(mm) 6 6 8 6 8 10 10 10
Net weight(kg) 9.5 9.5 15 12.5 22.5 36 68 150
Extra weight per meter of extra lift(kg) 1.7 1.7 2.3 2.5 3.7 5.3 9.7 19.4

 

HSZ-A
Model HSZ-0.5A HSZ-1A HSZ-1.5A HSZ-2A HSZ-3A HSZ-5A HSZ-10A HSZ-20A HSZ-30A HSZ-50A
Capacity(t) 0.5 1 1.5 2 3 5 10 20 30 50
Standard lift(m) 2.5 2.5 2.5 2.5 3 3 3 3 3 3
Effort required to lift max.load 231 309 320 360 340 414 414 414x2 414x2 414x2
No.of columns of load chain 1 1 1 2 2 2 4 8 12 22
Load chain dia.(mm) 5 6.3 7 8 7 9 9 9 9 9
Net weight(kg) 10 12 18.5 20 27 45.5 83 193 220 1092
Extra weight per meter of extra lift(kg) 1.7 1.7 2.3 2.3 3.7 5.6 9.7 19.4 26.4 48.4

 

HSZ-B
Model HSZ-0.5B HSZ-1B HSZ-1.5B HSZ-2B HSZ-3B HSZ-5B HSZ-10B HSZ-20B
Capacity(t) 0.5 1 1.5 2 3 5 10 20
Standard lift(m) 2.5 2.5 2.5 2.5 3 3 3 3
Effort required to lift max.load 170 340 390 340 390 420 420 420x2
No.of columns of load chain 1 1 1 2 2 2 4 8
Load chain dia.(mm) 6 6 8 6 8 10 10 10
Net weight(kg) 9.5 9.5 15 12.5 22.5 36 68 150
Extra weight per meter of extra lift(kg) 1.7 1.7 2.3 2.5 3.7 5.3 9.7 19.4

 

HSZ-V
Model HSZ-0.5V HSZ-1V HSZ-1.5V HSZ-2V HSZ-3V HSZ-5V HSZ-10V HSZ-20V HSZ-30V HSZ-50V
Capacity(t) 0.5 1 1.5 2 3 5 10 20 30 50
Standard lift(m) 2.5 2.5 2.5 2.5 3 3 3 3 3 3
Effort required to lift max.load 231 309 320 360 340 414 414 414x2 414x2 414x2
No.of columns of load chain 1 1 1 2 2 2 4 8 12 22
Load chain dia.(mm) 6 6 8 8 8 10 10 10 10 10
Net weight(kg) 10 12 18.5 20 27 45.5 83 193 220 1092
Extra weight per meter of extra lift(kg) 1.7 1.7 2.3 2.3 3.7 5.6 9.7 19.4 26.4 48.4

 

HSZ-K
Model   HSZ-K
Capacity T 0.5 1 1.5 2 3 5 10
Standard lift M 2.5 2.5 2.5 3 3 3 3
Running test T 0.75 1.5 2.25 3 4.5 7.5 15
Effort required to lift max.load N 240 250 265 335 363 360 380
No.of FALLS of load chain   1 1 1 1 1 2 4
Load chain dia.(mm) mm 5 6 7.1 8 10 9 9
Dimensions A mm 132 151 173 175 176 189 189
B mm 148 172 196 210 230 280 463
C mm 28 32 36 36 46 46 57
H mm 354 376 442 470 565 688 765
Net weight(kg) kg 11 12.5 17.8 19.5 29 41.3 78.5
Packing(LxWxH) mm 240x190x180 280x210x210 340x260x200 340x260x200 340x260x200 410x320x240 480x420x185

HSZ-M
Model HSZ-M0.25T HSZ-M0.5T
Rated load(t) 0.25 0.5
Standard lift height(m) 2.5 2.5
Hand-pull to lift(N) 120 120
Test load(kg) 375 375
Size(N) 4x12 4x120
N.W(kg) 3.3 4
G.W(kg) 3.5 4.1
Extra weight for 1 meter chain added(kg/m) 0.341 0.341
Dimensions(mm) A 96 96
B 105 110
C 25 25
Hmin 268 268
E 104 104

 

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FAQ

Q1: Are you a factory or a trading company?

A1:We are a combination of both, we focused on manufacturing material handling product such as lift tables, manual & electric pallet trucks and lifting platforms over 35 years, we also exporting manual & electric chain hoist, lever hoisting, lifting clamp and steel jack. We are your ideal choice for 1 stop purchase with our compete line of industrial lifting/moving equipment
Q2: Can Giant lift provide customized products? OEM products or ODM products?
A2: Yes, Giant lift can provide customized products according to your requirement. Both OEM and ODM are acceptable.

Q3: Can we print the LOGO on products?
A3: Yes, the OEM is available with the permission of our customers.

Q4: How do you control your quality?
A4: 1. We only select high-quality steel material from famous steel group
2. Standardized production process with traceable ID Card, every part can be tracked to the original records.
3. 100% finished product testing before shipping.
4. We accept third party product inspections.
5. ISO9001 Quality management system certificated factory
6. Supervised container loading process, ensures the last step security

Q5: How long is the warranty on your products?
A5: We provide 12 months warranty for all of our product, excluding wear parts such as wheels, tire or hydraulic oil
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Q8: What are your advantages compared to the others?
A8:

  1. Unique products, with customized service.
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  3. Market protection service, long term business strategy.

How to use the pulley system

Using a pulley system is a great way to move things around your home, but how do you use a pulley system? Let's look at the basic equations that describe a pulley system, the types of pulleys, and some safety considerations when using pulleys. Here are some examples. Don't worry, you'll find all the information you need in 1 place!
pulley

Basic equations of pulley systems

The pulley system consists of pulleys and chords. When the weight of the load is pulled through the rope, it slides through the groove and ends up on the other side. When the weight moves, the applied force must travel nx distance. The distance is in meters. If there are 4 pulleys, the distance the rope will travel will be 2x24. If there are n pulleys, the distance traveled by the weight will be 2n - 1.
The mechanical advantage of the pulley system increases with distance. The greater the distance over which the force is applied, the greater the leverage of the system. For example, if a set of pulleys is used to lift the load, 1 should be attached to the load and the other to the stand. The load itself does not move. Therefore, the distance between the blocks must be shortened, and the length of the line circulating between the pulleys must be shortened.
Another way to think about the acceleration of a pulley system is to think of ropes and ropes as massless and frictionless. Assuming the rope and pulley are massless, they should have the same magnitude and direction of motion. However, in this case the quality of the string is a variable that is not overdone. Therefore, the tension vector on the block is labeled with the same variable name as the pulley.
The calculation of the pulley system is relatively simple. Five mechanical advantages of the pulley system can be found. This is because the number of ropes supporting the load is equal to the force exerted on the ropes. When the ropes all move in the same direction, they have 2 mechanical advantages. Alternatively, you can use a combination of movable and fixed pulleys to reduce the force.
When calculating forces in a pulley system, you can use Newton's laws of motion. Newton's second law deals with acceleration and force. The fourth law tells us that tension and gravity are in equilibrium. This is useful if you need to lift heavy objects. The laws of motion help with calculations and can help you better understand pulley systems.
pulley

Types of pulleys

Different types of pulleys are commonly used for various purposes, including lifting. Some pulleys are flexible, which means they can move freely around a central axis and can change the direction of force. Some are fixed, such as hinges, and are usually used for heavier loads. Others are movable, such as coiled ropes. Whatever the purpose, pulleys are very useful in raising and lowering objects.
Pulleys are common in many different applications, from elevators and cargo lift systems to lights and curtains. They are also used in sewing machine motors and sliding doors. Garage and patio doors are often equipped with pulleys. Rock climbers use a pulley system to climb rocks safely. These pulley systems have different types of pinions that allow them to balance weight and force direction.
The most common type of pulley is the pulley pulley system. The pulley system utilizes mechanical advantages to lift weight. Archimedes is thought to have discovered the pulley around 250 BC. in ancient Sicily. Mesopotamians also used pulleys, they used ropes to lift water and windmills. Pulley systems can even be found at Stonehenge.
Another type of pulley is called a compound pulley. It consists of a set of parallel pulleys that increase the force required to move large objects. This type is most commonly used in rock climbing and sailing, while composite pulleys can also be found in theater curtains. If you're wondering the difference between these 2 types of pulleys, here's a quick overview:

Mechanical Advantages of Pulley Systems

Pulley systems offer significant mechanical advantages. The ability of the system to reduce the effort required to lift weights increases with the number of rope loops. This advantage is proportional to the number of loops in the system. If the rope had only 1 loop, then a single weight would require the same amount of force to pull. But by adding extra cycles, the force required will be reduced.
The pulley system has the advantage of changing the direction of the force. This makes it easier to move heavy objects. They come in both fixed and mobile. Pulleys are used in many engineering applications because they can be combined with other mechanisms. If you want to know what a pulley can do, read on! Here are some examples. Therefore, you will understand how they are used in engineering.
Single-acting pulleys do not change direction, but compound pulleys do. Their mechanical advantage is six. The compound pulley system consists of a movable pulley and a fixed pulley. The mechanical advantage of the pulley system increases as the number of movable wheels decreases. So if you have 2 wheels, you need twice as much force to lift the same weight because you need a movable pulley.
The mechanical advantage of a pulley system can be maximized by adding more pulleys or rope lengths. For example, if you have a single pulley system, the mechanical advantage is 1 of the smallest. By using 2 or 3 pulleys, up to 5 times the mechanical advantage can be achieved. You can also gain up to 10 times the mechanical advantage by using multiple pulley systems.
The use of a single movable pulley system also adds to the mechanical advantage of the pulley system. In this case, you don't have to change the direction of the force to lift the weight. In contrast, a movable pulley system requires you to move the rope farther to generate the same force. Using a compound pulley system allows you to lift heavy loads with ease.
pulley

Safety Issues When Using Pulley Systems

Pulleys have an incredibly unique structure, consisting of a disc with a groove in the middle and a shaft running through it. A rope or cord is attached to 1 end of a pulley that turns when force is applied. The other end of the rope is attached to the load. This mechanical advantage means that it is much easier to pull an object using the pulley system than to lift the same object by hand.
Although pulley systems are a common part of many manufacturing processes, some employers do not train their workers to use them properly or install protection to prevent injury. It is important to wear proper PPE and follow standard laboratory safety practices during pulley system activities. Make sure any support structures are strong enough to handle the weight and weight of the rope or rope. If you do fall, be sure to contact your employer immediately.

China OEM 0.5-50 Ton Manual Chain Block Chain Pulley Pulley Hoist Block for Best Price (HSZ-V) with Good qualityChina OEM 0.5-50 Ton Manual Chain Block Chain Pulley Pulley Hoist Block for Best Price (HSZ-V) with Good quality

China Best Sales Lifting Equipment Cable Hoist Pulley Block with Free Design Custom

Product Description

Wire Rope Pulling Hoist / Cable Winch / Wire Rope WInch

wire rope winch(wire rope pulling hoist ) is an extremely versatile and portable unit for pulling, lifting, lowering and securing loads, that is both easy and safe to operate.

All hoists are supplied complete with 20m wire rope and an extendable operating lever. Wire rope is tapered 1 end and fitted with a hook and safety catch at the other end. The hoist has low maintenance requirements ans is easy to service.

Overload protection ensures high personal safety when in operation.

Specially built-in shear pins can be replaceed wihout removing the load.

Characteristic of H-Lift Wire Rope Pulling Hoist / Cable Winch / Wire Rope WInch:

1. Rated capacity: 800/1600/3200/5400kg
2. Lever pull at WLL: 341/400/438/850N
3. Rope diameter: 8.3m/11m/16m/20m
4. Standard length of wire rope: 20m

 

Item No.(Aluminium body) ZHPH-A-0.8T ZHPH-A-1.6T ZHPH-A-3.2T ZHPH-A-5.4T
Item No.(Steel body) ZHPH-S-0.8T ZHPH-S-1.6T ZHPH-S-3.2T /
Rated Capacity (kg) 800 1600 3200 5400
Rated Forward Handpower (N) 343 441 441 745
Rated Forward Travel(N) >=52 >=55 >=28 >=30
Rope Diameter(mm) 8.3 11 16 20
Wire Rope Safety Factor Load Capacity 5 5 5 5
Safety Factor & Static Load Capacity 4 5 4 5 4 5 5 /
Max. Travelling Load (kg) 1200 2400 4000 8000
Max Overall Size(mm) A 426 440 545 550 660 690 930 /
B 235 265 280 300 325 350 480 /
C 168 / 190 / 230 / / /
D 60 63 72 77 91 91 152 /
E 64 / 97 / 116 / / /
L1 / 80 80 68
L2 80 120 120 112
Net weight/kg   Aluminium body 15.3 27.5 50.8 105
Net weight/kg   Metal  body   16 28 48.5    

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 Best Sales Lifting Equipment Cable Hoist Pulley Block with Free Design CustomChina Best Sales Lifting Equipment Cable Hoist Pulley Block with Free Design Custom

China Hot selling Wire Rope Double Marine Pulley Swivel Stainless Steel Block with high quality

Product Description

Wire Rope Double Marine Pulley Swivel Stainless Steel Block
Material: Stainless Steel
Color: sliver            
Process: Forging/Stamping/CNC
Surface: self-color
Packing: Bag, carton , pallet
Main Maket: Europe, Middle East, US, Australia, Canada, etc

Customized requirements are welcome!

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

Contact

 YolHangZhou Li

 

 

 

 

 

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

 
Company Information

 

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.

 

Customers' profits and end user's working safety is our priority for ever, THINKWELL, leading the way of precision manufacturing.

Quality Control

 

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)

 

Shipping:

DHL ,UPS,FEDEX, etc, 3-5 days, door to door.

COSCO,MSK, with fast and competitive CZPT charges for customers always.

Train transportation also available you customer prefer. 

Payment

We support multi payment terms to gurantee customers' security and profits.

 

 

Our Services

 

>>>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.

8.Our exporting sales team included 12 sales consultant with 5 documents assiatant to solve customers' different problems in a high efficiency.

 

 

>>>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.

Mechanical advantages of pulleys

A pulley is a mechanical device used to transmit motion. The device has a variety of uses, including lifting heavy objects. In this article, we will discuss the mechanical advantages, types, common uses and safety considerations of pulleys. We'll also discuss how to identify pulleys and their components, and what to look out for when using pulleys. Read on to learn more about pulleys.
pulley

Mechanical advantages of pulleys

The mechanical advantage of pulleys is that they change the direction of force from 1 direction to another. In this way, the person lifting the heavy object can change its position with minimal effort. The pulleys are also easy to install and require no lubrication after installation. They are also relatively cheap. Combinations of pulleys and cables can be used to change the direction of the load.
The mechanical advantage of a pulley system increases with the number of ropes used in the system. The more cycles a system has, the more efficient it is. If the system had only 1 rope, the force required to pull the weight would be equal. By adding a second rope, the effort required to pull the weight is reduced. This increase in efficiency is known as the mechanical advantage of the pulley.
Pulleys have many uses. For example, ziplines are 1 application. This is a good example of pulleys in use today. Pulley systems can be complex and require a lot of space. Using ziplines as an example, advanced students can calculate the mechanical advantage of multiple pulleys by dividing the work done by each pulley by the remainder or fraction. Regents at the University of Colorado created a zipline with K-12 input.
Another use for pulleys is weight lifting. This technique is very effective when using multiple strands of rope. A single rope going from 1 pulley to the other with just 2 hands is not enough to lift heavy objects. Using a pulley system will greatly increase the force you receive. This power is multiplied over a larger area. So your lifting force will be much greater than the force exerted by a single rope.
The pulley is a great invention with many uses. For example, when lifting heavy objects, pulleys are a great way to get the job done, and it's easier to do than 1 person. The pulley is fixed on a hinge and rotates on a shaft or shaft. Then pull the rope down to lift the object. A pulley assembly will make the task easier. In addition, it will also allow power to be transferred from 1 rotary shaft to another.
pulley

Types of pulleys

If you are an engineer, you must have come across different types of pulleys. Some pulleys come in multiple types, but a typical pulley has only 1 type. These types of pulleys are used in various industrial processes. Here are some common types of pulleys that engineers encounter on the job. In addition to the above, there are many more. If you haven't seen them in practice, you can check out a list of the different types below.
Fixed pulleys: Fixed pulleys have a roller attached to a fixed point. The force required to pull the load through the fixed pulley is the same as the force required to lift the object. Movable pulleys allow you to change the direction of the force, for example, by moving it laterally. Likewise, movable pulleys can be used to move heavy objects up and down. Commonly used in multi-purpose elevators, cranes and weight lifters.
Composite pulleys combine fixed and movable pulleys. This combination adds to the mechanical advantage of both systems. It can also change the direction of the force, making it easier to handle large loads. This article discusses the different types of pulleys used for lifting and moving. Braided pulleys are an example of these pulleys. They combine the advantages of both types.
A simple pulley consists of 1 or more wheels, which allow it to reverse the direction of the force used to lift the load. On the other hand, dual-wheel pulleys can help lift twice the weight. By combining multiple materials into 1 pulley, a higher ME will be required. Regardless of the type of pulley, understanding the principles behind it is critical.
Pulleys are an important part of construction and mechanical engineering, and their use dates back to Archimedes. They are a common feature of oil derricks and escalators. The main use of pulleys is to move heavy objects such as boats. In addition to this, they are used in other applications such as extending ladders and lifting heavy objects. The pulley also controls the aircraft rudder, which is important in many different applications.

Commonly used

Common uses for pulleys are varied. Pulley systems are found throughout most areas of the house, from adjustable clotheslines to motor pulleys in different machines. Commercially, 1 of the most common uses is for cranes. Cranes are equipped with pulleys to lift heavy objects. It is also common to use pulley systems in tall buildings, which allow tall buildings to move with relative ease.
Pulleys are commonly used in interception and zipline systems, where a continuous rope around the pulley transmits force. Depending on the application, the rope is either light or strong. Pulleys are formed by wrapping a rope around a set of wheels. The rope pulls the object in the direction of the applied force. Some elevators use this system. Pull a cable on 1 end and attach a counterweight on the other end.
Another common use for pulleys is to move heavy objects. Pulleys mounted on walls, ceilings or other objects can lift heavy objects like heavy toolboxes or 2x4 planks. The device can also be used to transfer power from 1 rotating shaft to another. When used to lift heavy objects, pulleys can be used to help you achieve your goals of a good workout.
Pulley systems have a variety of uses, from the most basic to the most advanced. Its popularity is indisputable and it is used in different industries. A good example is timing belts. These pulleys transmit power to other components in the same direction. They can also be static or dynamic depending on the needs of the machine. In most cases, the pulley system is custom made for the job.
Pulley systems can be simple or complex, but all 3 systems transfer energy efficiently. In most cases, the mechanical advantage of a single pulley is 1 and the mechanical advantage of a single active pulley is 2. On the other hand, a single live pulley only doubles the force. This means you can trade effort for distance. Pulleys are the perfect solution for many common applications.
pulley

Safety Notice

If you use pulleys, you need to take some safety precautions. First, make sure you're wearing the correct protective gear. A hard hat is a must to avoid being hit by falling objects. You may also want to wear gloves for added protection. You should also maintain a good distance from the pulley so that nearby people can walk around it safely.
Another important safety measure to take before using a chain hoist is to barricade the area to be lifted. Use marker lines to prevent the load from sliding when moving horizontally. Finally, use only the sprocket set for vertical lift. Always install shackle pins before lifting. You should also wear personal protective equipment such as earplugs and safety glasses when using the chain hoist.
In addition to these safety measures, you should also use cables made from aerospace-grade nylon. They will last many cycles and are made of high quality materials. Also, make sure the cables are lubricated. These measures reduce friction and corrosion. No matter what industry you are in, be sure to follow these precautions to ensure a long service life for your cables. Consult the cable manufacturer if you are unsure of the appropriate material. A company with 60 years of experience in the cable industry can recommend the right material for your system.

China Hot selling Wire Rope Double Marine Pulley Swivel Stainless Steel Block with high qualityChina Hot selling Wire Rope Double Marine Pulley Swivel Stainless Steel Block with high quality

China Custom Hot Sell 0.5t-50t Hand Chain Block / Manual Chain Hoist / Chain Pulley Block Cheap Price (HSZ-V) with Best Sales

Product Description


HSZ-V Giant Lift 0.5-50 Tons Heavy Duty Manual Chain Hosit with Hook

Product Description

Chain Block is suitable for small equipment and goods of short distance lifting, lifting weight is generally not more than 50T. The material of the hand gourd is high quality alloy steel, strong wear resistance, high safety performance.
The HSZ series chain block is a portable lifting device easily operated by hand chain, it is applicable for use in factory, mines, farms, construction sites, wharves, docks and warehouses for installation of equipment, as well as for loading and unloading goods. It is have special advantage for lifting work in open air grounds and places where no electric power supply is available.
The chain block can be attached to a trolley of any type as traveling chain block. It is suitable to monorail overhead conveying system, hand traveling crane and jib cranes.

Product Feature:

1. Small size, light weight and easy to carry
2. All steel construction-impact resistant covers that provide durability and protection.
3. Unique curling design-this feature enables the hand chain to successfully feed directlyinto the wheel sprocket from many directions and angles.
4. Grade 80 load chain-grade 80 black oxide coated load chain for durability.
5. Forged alloy steel hooks- industrial rated hooks rotate 360 degrees for easy rigging.Hooks slowly stretch to indicate an overload situation increasing jobsite safety.
6. Sealed roller bearings-greatly improving performance and serve life of the product.
7. Certification-load tested to 150% of capacity with certificate.
8. Steady rotation, light hand pulling force
9. Double pawl
10. With CE approved
11. The overhead trolley is optional

Product Parameters

HSZ
Model HSZ-0.5 HSZ-1 HSZ-1.5 HSZ-2 HSZ-3 HSZ-5 HSZ-10 HSZ-20
Capacity(t) 0.5 1 1.5 2 3 5 10 20
Standard lift(m) 2.5 2.5 2.5 2.5 3 3 3 3
Effort required to lift max.load 170 340 390 340 390 420 420 420x2
No.of columns of load chain 1 1 1 2 2 2 4 8
Load chain dia.(mm) 6 6 8 6 8 10 10 10
Net weight(kg) 9.5 9.5 15 12.5 22.5 36 68 150
Extra weight per meter of extra lift(kg) 1.7 1.7 2.3 2.5 3.7 5.3 9.7 19.4

 

HSZ-A
Model HSZ-0.5A HSZ-1A HSZ-1.5A HSZ-2A HSZ-3A HSZ-5A HSZ-10A HSZ-20A HSZ-30A HSZ-50A
Capacity(t) 0.5 1 1.5 2 3 5 10 20 30 50
Standard lift(m) 2.5 2.5 2.5 2.5 3 3 3 3 3 3
Effort required to lift max.load 231 309 320 360 340 414 414 414x2 414x2 414x2
No.of columns of load chain 1 1 1 2 2 2 4 8 12 22
Load chain dia.(mm) 5 6.3 7 8 7 9 9 9 9 9
Net weight(kg) 10 12 18.5 20 27 45.5 83 193 220 1092
Extra weight per meter of extra lift(kg) 1.7 1.7 2.3 2.3 3.7 5.6 9.7 19.4 26.4 48.4

 

HSZ-B
Model HSZ-0.5B HSZ-1B HSZ-1.5B HSZ-2B HSZ-3B HSZ-5B HSZ-10B HSZ-20B
Capacity(t) 0.5 1 1.5 2 3 5 10 20
Standard lift(m) 2.5 2.5 2.5 2.5 3 3 3 3
Effort required to lift max.load 170 340 390 340 390 420 420 420x2
No.of columns of load chain 1 1 1 2 2 2 4 8
Load chain dia.(mm) 6 6 8 6 8 10 10 10
Net weight(kg) 9.5 9.5 15 12.5 22.5 36 68 150
Extra weight per meter of extra lift(kg) 1.7 1.7 2.3 2.5 3.7 5.3 9.7 19.4

 

HSZ-V
Model HSZ-0.5V HSZ-1V HSZ-1.5V HSZ-2V HSZ-3V HSZ-5V HSZ-10V HSZ-20V HSZ-30V HSZ-50V
Capacity(t) 0.5 1 1.5 2 3 5 10 20 30 50
Standard lift(m) 2.5 2.5 2.5 2.5 3 3 3 3 3 3
Effort required to lift max.load 231 309 320 360 340 414 414 414x2 414x2 414x2
No.of columns of load chain 1 1 1 2 2 2 4 8 12 22
Load chain dia.(mm) 6 6 8 8 8 10 10 10 10 10
Net weight(kg) 10 12 18.5 20 27 45.5 83 193 220 1092
Extra weight per meter of extra lift(kg) 1.7 1.7 2.3 2.3 3.7 5.6 9.7 19.4 26.4 48.4

 

HSZ-K
Model   HSZ-K
Capacity T 0.5 1 1.5 2 3 5 10
Standard lift M 2.5 2.5 2.5 3 3 3 3
Running test T 0.75 1.5 2.25 3 4.5 7.5 15
Effort required to lift max.load N 240 250 265 335 363 360 380
No.of FALLS of load chain   1 1 1 1 1 2 4
Load chain dia.(mm) mm 5 6 7.1 8 10 9 9
Dimensions A mm 132 151 173 175 176 189 189
B mm 148 172 196 210 230 280 463
C mm 28 32 36 36 46 46 57
H mm 354 376 442 470 565 688 765
Net weight(kg) kg 11 12.5 17.8 19.5 29 41.3 78.5
Packing(LxWxH) mm 240x190x180 280x210x210 340x260x200 340x260x200 340x260x200 410x320x240 480x420x185

HSZ-M
Model HSZ-M0.25T HSZ-M0.5T
Rated load(t) 0.25 0.5
Standard lift height(m) 2.5 2.5
Hand-pull to lift(N) 120 120
Test load(kg) 375 375
Size(N) 4x12 4x120
N.W(kg) 3.3 4
G.W(kg) 3.5 4.1
Extra weight for 1 meter chain added(kg/m) 0.341 0.341
Dimensions(mm) A 96 96
B 105 110
C 25 25
Hmin 268 268
E 104 104

 

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QUALITY CONTROL PROCESS

 

 

FAQ

Q1: Are you a factory or a trading company?

A1:We are a combination of both, we focused on manufacturing material handling product such as lift tables, manual & electric pallet trucks and lifting platforms over 35 years, we also exporting manual & electric chain hoist, lever hoisting, lifting clamp and steel jack. We are your ideal choice for 1 stop purchase with our compete line of industrial lifting/moving equipment
Q2: Can Giant lift provide customized products? OEM products or ODM products?
A2: Yes, Giant lift can provide customized products according to your requirement. Both OEM and ODM are acceptable.

Q3: Can we print the LOGO on products?
A3: Yes, the OEM is available with the permission of our customers.

Q4: How do you control your quality?
A4: 1. We only select high-quality steel material from famous steel group
2. Standardized production process with traceable ID Card, every part can be tracked to the original records.
3. 100% finished product testing before shipping.
4. We accept third party product inspections.
5. ISO9001 Quality management system certificated factory
6. Supervised container loading process, ensures the last step security

Q5: How long is the warranty on your products?
A5: We provide 12 months warranty for all of our product, excluding wear parts such as wheels, tire or hydraulic oil
Q6: What's the lead time for production?
A6: Usually around 10-15 days after payment received, around 30 days during new year's or national holidays.

Q7: What Payment terms do you accept?
A7: T/T or L/C, if you want any other method please contact sales

Q8: What are your advantages compared to the others?
A8:

  1. Unique products, with customized service.
  2. Timely production and delivery, time is money.
  3. Market protection service, long term business strategy.

Pulley Type

There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.

moving pulley

Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling 1 end of the rope will double the force on the shaft, resulting in 2 mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student's understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!
pulley

Fixed wheel pulley

If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it's not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn't always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in 1 direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
pulley

composite pulley

Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than 2 pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.

load multiplier

The multiplication system has 3 basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the 3 parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only 4 ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by 3 ropes, each weighing about 30-5 pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over 2 tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
pulley

Disadvantages of fixed pulleys

There are 2 basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When 2 or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.

China Custom Hot Sell 0.5t-50t Hand Chain Block / Manual Chain Hoist / Chain Pulley Block Cheap Price (HSZ-V) with Best SalesChina Custom Hot Sell 0.5t-50t Hand Chain Block / Manual Chain Hoist / Chain Pulley Block Cheap Price (HSZ-V) with Best Sales