Chain Block

The Structure and Working Principle of Chain Block

The chain block, also known as the chain pulley, is a mechanical device composed of chains and pulleys for lifting heavy objects. Its principle is based on the principle of lever. Through the combination of multiple pulleys, the applied force can be amplified, so that the heavy objects can be lifted easily.

The chain block is mainly composed of the following parts:

1. Chain: The chain connects the pulley block and transmits power.
2. Pulley block: Multiple pulleys compose the pulley block, which is connected by ropes or chains to form a multiplier system.
3. Frame: The frame fixes the pulley block and chain.
4. Handle: The handle controls the winding and release of the chain to lift and lower heavy objects.

The chain block works by dispersing the pulling force across multiple pulleys through their arrangement and combination, thus achieving force amplification. For example, in a simple chain pulley system, using two pulleys means that the pulling force required to lift a heavy object is only half its weight.

What Is the Advantage of A Chain Block?

As professional manual hoist manufacturers, we provide the best products with the following advantages:

• Efficiently lifting heavy objects: Pulley blocks multiply force, allowing users to easily lift weights much greater than their own strength.
• Operation is simple: Users control the chain’s winding and releasing with a handle, making the process easy and convenient.
• Safety and reliability: Solid metal construction ensures a stable and dependable structure for safe operation.
• Wide application: Industries, construction sites, and logistics and transportation sectors commonly use this equipment.

Where Can Our Chain Pulleys Be Used?

• Industrial production: Used for handling goods, installing equipment, and performing repairs and maintenance.
• Construction: Used for lifting building materials, installing prefabricated components, etc.
• Logistics and transportation: Used for loading and unloading goods, handling goods, etc.
• Other fields: Home handling, outdoor sports, etc.

Models and Sizes of Chain Pulley Block

As a qualified chain pulley suppliers, we provide the following product models and sizes (not all, for your reference):

Please refer to the parameter table above for our product specifications. As one of China’s leading hoist manufacturers, ZOHO Hoist produces a wide range of hand chain hoists, lever hoists, electric hoists, material handling equipment, and lifting and rigging products. Send us your inquiry, and we will provide you with the best quotation.