manual chain hoist hsz-a 622 series


manual chain hoists are commonly known as chain blocks and are designed for heavy duty lifting and materials handling operations. chain blocks raise and lower loads by pulling on the hand chain. chain blocks can be of single or double fall configurations depending on the capacity of the block.

product features:

1. unique overload structure

a)the adoption of the overload limitation designed by ourselves. (extra choose)

b) the adoption of needle bearing and antifriction bearing.

2. use a drawn cup needle roller bearing at a joint position between the long axis and the load chain wheel.

3. use a antifriction bearing at a joint position between the long axis and the side fascla in order to improve the hoist's flexibility and efficiency.

4. look release device.

5. the adoption of the bottom hook housing bearing.

6. by using the new pattern of the bottom hook assembly made by ourselves, the bottom hook can flexible operate for 360 degree.