Product Description
Hoists Mine Tools Chain Pulley Block electric wire rope motor hoist with trolly cable winch
CB-B Series Chain Pulley Block is a portable lifting device easily operated by hand. It is suitable for using in factory, workshop, plant, agricultural production and in docks and storage for fixing machines, lifting cargo and loading and unloading goods. It is especially advantageous for lifting work in the power supply is not available. The chain pulley block can be attached to a trolley of any type as a travelling chain pulley block. It is suitable to monorail overhead conveying system, had travelling crane and jib crane.
Chain Pulley Block Features:
Chain Pulley Block Chain Hoist
Capacity: From 1T to 3T
This innovative and patented hand chain hoist the CZPT forge 360 is designed for heavy industrial applications.
This 360 rotating hand chain CZPT allows hoist operations from various angles and helps the operator stay out of the danger zone.
Premium brake system ensures safe operation, low maintenance and is extremely quiet.
Sealed Roller Bearings
Easy to install
Compact design and low headroom make the series simple to install even in confined working areas. No adjustments necessary.
Strength:
Equipped with hardened load chain for optimum strength, flexibility and long wear life.
Low maintenance:
Enclosed housing allows outdoor use.
The load brake requires no lubrications.
Quality features:
1. Wheel cover with CZPT slots guard against jamming and slipping of chain.
2. Forged swivel hooks and latches prevent twisting of chain and reduce unintentional unhooking of the unit or load.
3. Chain CZPT and stripper ensures proper fit of chain over pocket wheel.
4. Two-stage gear reduction with hardened gears and pinion.
Chain Pulley Block Parameters:
| Model | CB-B | |||||||||
| Capacity(ton) | 0.25 | 0.5 | 1 | 1.5 | 2 | 3 | 5 | 7.5 | 10 | |
| Standard lifting height(m) | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3 | |
| Running Test Load(ton) | 0.3125 | 0.625 | 1.25 | 1.875 | 2.5 | 3.75 | 6.25 | 9.375 | 12.5 | |
| Headroom H(mm) | 280 | 345 | 376 | 442 | 470 | 548 | 688 | 765 | 765 | |
| Effort to required to lift max. load(N) | 226 | 235 | 245 | 255 | 324 | 363 | 353 | 373 | 380 | |
| Load Chain Dia. (mm) | Columns | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 4 |
| Dia+Pitch | 4× 12 | 5× 15 | 6× 18 | 7× 21 | 8× 24 | 10× 28 | 9× 27 | 9× 27 | 9× 27 | |
| Dimension (mm) |
A | 121 | 148 | 172 | 196 | 210 | 255 | 280 | 433 | 463 |
| B | 114 | 132 | 151 | 173 | 175 | 205 | 189 | 189 | 189 | |
| C | 24 | 25 | 30 | 33 | 35 | 40 | 42 | 56 | 56 | |
| D | 31 | 31.5 | 37.5 | 42.5 | 45 | 50 | 53 | 85 | 85 | |
| Net Weight(kg) | 6.5 | 9.3 | 12.2 | 16.5 | 19.5 | 32 | 41.1 | 61.6 | 75.7 | |
| Packing Measurements (l× w× h)(mm) |
23× 16× 15 | 30× 17× 18 | 32× 18× 19 | 37× 20× 24 | 37× 20× 24 | 43× 40× 30 | 47× 44× 35.5 | 62× 47× 39.5 | 53× 51× 46.5 | |
| Extra Weight per meter of extra lift(kg) |
0.81 | 1 | 1.29 | 1.61 | 1.92 | 2.68 | 4.1 | 5.86H | 7.73 | |
Chain Pulley Block Details:
Chain Pulley Block Pictures:
Chain Pulley Block Package:
About US:
LIFTOR ENTERPRISES was founded in 2000 and is a leading manufacturer of lifting and material handling equipment with almost 20 years experience. We provide quality, safety and stable products to meet the highest industrial standards. We are ISO9001:2008 certified company, our products are GS,CE certified, serving all sphere of industry in the world.
Our brand CZPT is well sold in more than 50 countries worldwide and has earned an enviable reputation for high quality products. With our professional R&D team, we are CZPT to provide customization services with the most professional quality and never stop meeting the highest standard of safety.
LIFTOR will never stop being as an innovative manufacturer. We will continue to develop and extend our products range with high quality, safety standard and long life usage.
Why choose us?
1. We are your one-stop service and solutions provider,certified by CE.
2. Exporting to Europe,USA,Australia,Mid East,Southeast Asia and Africa.
3. 100+ containers per month.Turnover more than US Dollar around40 millions in both 2019/2571.
4. Group company established in 2000 and be Globalsource member for more than 20 years.
5. Strict quality control and with long term quality inspection contract with SGS.
6. Products is underwritten by the China Property Insurance Company(PICC) as quality assurance for customer.
7. Passed 3rd party audit arranged by several top 500 company and be their long term contract supplier.
8. Pre-shipment quality inspection for customer by picture/video.
9. Meet Customized requirement on design and logo.
10. Small order acceptable.
The Mechanical Advantage of a Pulley
A pulley is an important tool for many tasks. The advantage that it offers over a hand-held mechanism is its mechanical advantage. In this article, we'll discuss the types of pulleys and their applications. We'll also look at the types of compound pulleys. And, of course, there's a little bit about the mechanical advantage of a pulley. This article will help you decide whether this tool is right for your needs.
Mechanical advantage of a pulley
A pulley has a mechanical advantage over a lever because it is able to produce more force over longer distances. The mechanical advantage of a pulley sounds brilliant and could produce energy. But what exactly is this mechanical advantage? Let's take a look. First, consider how a pulley works. A rope supports a 100kg mass, which requires 500 newtons of force to lift. If the rope supports a 100kg mass, 2 sections of rope can support that load. Using a pulley, you can lift the same weight with half the force.
A pulley's ideal mechanical advantage is the ratio of the force applied to the total length of the rope. The larger the radius, the greater the mechanical advantage. A pulley made up of 4 rope segments has an ideal mechanical advantage of four. Therefore, a four-segment pulley would multiply the force applied by four. As the numbers on the rope segments are smaller than the total length of the rope, it would be better to use a compound pulley.
The mechanical advantage of a pulley can be calculated by using the T-method. The first step in calculating the mechanical advantage of a pulley is defining the force you need to lift. Then, divide that force by 2 to calculate the amount of force you need to lift the load. Once you know this amount, you can design a pulley to meet your needs. That way, you can achieve the perfect balance between the 2 types of pulleys.
Types of pulleys
The main function of the pulley is to change the direction of the force. The mechanical advantages of a single pulley are two. Ideally, 2 pulleys should have 2 or more mechanical advantages. The mechanical advantage of compound pulleys can be increased to 2 or more. The number of pulleys that make up the composite pulley will determine the mechanical advantage. Certain types of pulleys are combined in 1 housing.
A stepped pulley is a set of pulleys with stepped surfaces. Each face is anchored to the mid-axis in an ordered sequence. This design gives these pulleys their name. They are used to increase and decrease the speed of the driven pulley. Step pulleys are usually used in pairs. They can be straight or stepped, but usually come in pairs.
The 3 main types of pulleys are pulleys, rope pulleys, and chain pulleys. Pulley Pulley systems use mechanics to lift and lower heavy objects. The Greek historian Plutarch credits the invention of the pulley to Archimedes of ancient Sicily. The Mesopotamians used rope pulleys to lift water around 1500 BC, and Stonehenge is said to have been built using a rope pulley system.
Application of pulley system
The advantages of using a pulley system are numerous. The ability to lift heavy objects is a good example. The pulley system makes it easy for people to lift blocks and other large objects. It can be used in many different applications, from utility elevators to construction cranes. In addition, it is widely used on sailing boats. If you want to learn more about the benefits of a pulley system, keep reading!
You can use the pulley system to water flowers or water plants. Some of them even lowered the pot to make cleaning easier. Pendant lights are another great place to install a pulley system. Climbing and fishing are just some of the activities that utilize the pulley. They are great for fishing and gardening. And since they are so versatile, you can use the pulley system anywhere.
To get the most out of your pulley system, you must choose a product that has all of the above attributes. A high-quality pulley must have a large pulley diameter and be made of sturdy materials. The cables must also be properly supported in the pulleys to ensure a long service life for your investment. A good cable should have minimal cracks and be lubricated. These factors are the most important considerations when choosing a pulley system for your needs.
composite pulley
Composite pulley systems combine 2 or more movable pulleys. These systems maximize the force to move the weight and can also change direction so they can be used to lift weights. Composite pulley systems can be as simple or as complex as your needs. For example, a pulley pulley system uses multiple pulleys on each axis. This method is often used for hoisting building materials.
A compound pulley system has 2 or more rope segments, each of which is pulled up on a load. It can increase lift by making objects move faster. These systems are common on large sailboats and construction sites. Composite pulleys are also available for larger boats. Due to their versatility, they are versatile tools for construction sites and large sailboats. If you have their app, you should consider buying one.
The main advantage of composite pulleys is their versatility. You can use them to lift weights or use them to save energy. Composite pulleys are especially useful for lifting heavy objects. For example, you can tie a paper clip to the end of the rope and pull it up. The flag is then lifted into the air with the help of compound pulleys. Composite pulleys are a great invention and they are often used in construction.
security considerations
There are several safety considerations to consider when using pulleys. The first is Secure Workload (SWL). This value is a general guideline for the maximum weight a pulley can safely handle. It varies according to the height and angle of the pulley. Besides SWL, there are some other factors to consider. Consider each 1 before deciding on the pulley that best suits your needs.
Another safety consideration is the weight of the load. Since the highs of the pulley are higher than the lows, it doubles in weight. The weight of the high point should not exceed 4 kN. The safety factor is calculated by multiplying the strength of the pulley by the weight of the load. Secondary COD has a safety factor of 10:1 and bulletproof primary anchors should be used with pulleys.
If using a chain hoist, you must be trained in the appropriate type of lifting. It is important not to hang on the top hooks of the structure, nor to overload or rig the hooks with multiple slings. You should also avoid corroded or damaged chains, as they can cause the crane to jam or overload. A worn chain can even cause the load to drop.
Components of a pulley system
Proper design of the pulley system can increase the life of the cables and pulleys. Larger diameter cables should be selected as they are more durable than smaller diameter cables. The cables should also be supported in the pulley grooves. The pulley must be designed to be compatible with the cable and its lubrication should be optimal. Proper lubrication of cables and pulleys will ensure maximum durability and longevity.
The first type of pulley is called a fast pulley. These pulleys are used for quick start and stop of the machine. These pulleys are usually mounted in pairs on the countershaft of the machine. One pulley is tightly mounted on the machine shaft, while the other pulley is fitted with a free-spinning mechanism. When the machine is running, the belt is mounted on the tensioner pulley, and when it is stopped, the belt slides on the independent pulley.
Composite pulley sets reduce the overall effort required by reducing the size of the pulley. These are usually attributed to Archimedes. Flat pulleys are often used in flat belt driven transmission systems. These are used in high-speed, low-power applications. Flat pulley idlers are also used on the back of traditional V-belts.
