Chain hoist is a simple to use and portable manual lifting machine suitable for factories, mines, construction sites, agricultural production, as well as docks, docks, warehouses, etc. It is used for installing machines, lifting goods, and loading and unloading vehicles, especially for outdoor and power free operations, and has important functions.

　　The chain hoist adopts a symmetrical arrangement of two-stage spur gear transmission structure. The operator should stand in the same plane as the hand chain wheel and pull the hand chain, causing the hand chain wheel to rotate clockwise to lift the weight;

　　Pull the chain in reverse and the heavy object can slowly descend.