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Chain Block

The chain block is a simple-to-use and portable manual lifting machine. It is also referred to as a "chain hoist" or a "manual puller." It is a powerful and safe manual lifting machine with wide applications in various field.



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Working Principle

 

 

  • By pulling the hand chain, the hand chain wheel rotates, pressing the friction plate ratchet wheel and brake seat into a single unit for rotation. The toothed long shaft then rotates the toothed short shaft and spline hole gear. In this way, the lifting sprocket gear mounted on the spline hole gear drives the lifting chain, thereby lifting the load smoothly. A ratchet friction plate-type one-way brake is used, which can self-brake under load. The pawl engages with the ratchet wheel under the action of the spring to ensure brake safety.
  • When lifting a load with the hand chain block, pull the hand chain clockwise to rotate the hand chain wheel; to lower the load, pull the hand chain counterclockwise, separating the brake seat from the brake pad. The ratchet wheel remains stationary under the action of the pawl, and the toothed long shaft drives the lifting sprocket gear to rotate in the opposite direction, thereby lowering the load smoothly.

 

 

 
Functional Characteristics

 

 

  • Safe and Reliable: The hand chain block complies with international standards. Its main components are made of alloy steel, making it sturdy and wear-resistant with high safety performance.
  • Durable: The chain uses high-strength lifting chains with low wear and corrosion resistance.
  • Easy to Operate: The hand chain block is simple to use and easy to carry, suitable for various environments.
  • Wide Range of Applications: Suitable for short-distance lifting of small equipment and goods, with a lifting capacity generally not exceeding 100 tons and a lifting height generally not exceeding 6 meters. Additionally, the hand chain block can be used in conjunction with various hand-pulled monorail trolleys to form a hand-pulled lifting transport trolley, enabling left and right movement and lifting of loads, suitable for monorail overhead transportation, single-beam bridge cranes, and cantilever cranes.

 

 

 

 
Specification

 

 

Model

VA1T

VA2T

VA3T

VA5T

Capacity(KG)

1000

2000

3000

5000

Lifting height(M)

3

3

3

3

Test load(KG)

1500

3000

4500

7500

Force for full load (N)

33

34

35

39

Min distance between hooks(MM)

315

380

475

600

No of Load chain

1

1

1

1

Diameter of load chain(mm)

6.3

8

9.1

9.1

Net weight(kg)

11

19.5

20

35

Packing size(cm)

27*20*17

31*21*21

40*30*24

44*30*24

 

 

 

 
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BlLo lmport & Éxport is specialized in power and cable equipment andconsiruction tools,Qur main producis are FRP duct rodder, cable rollerscable pulling winch, cable drum jack, cable pulling sock, etc.

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