Risk source point: Manual chain hoist hoisting personnel do not look at the heavy objects.
1. Swinging of heavy objects, damaging equipment, colliding personnel;
2. Falling heavy objects;
3. Offset of gravity of heavy objects.
1. When using hand chain block, the binocular eyes are hoisted by heavy objects. In time, the reverse chain is pulled to adjust the moving direction of the heavy objects to protect the personnel and equipment, and the safety weights are suspended.
2. The multi-person operation hoist is the same. Heavy objects, set up commanders.
1. Manual hoist hoisting personnel are not concentrated;
2. Manual hoist hoisting personnel do not cooperate closely, cooperate with each other, carefully observe, protect others and their own safety;
3. Operate the manual hoist to loosen the hands .