Standardized use of chain hoists for lifting operations

　　1. It is strictly prohibited to use power other than manual labor during lifting.

　　2. During lifting operations, the operator of the chain hoist should stand steadily and reliably, and any obstacles under their feet should be removed to ensure a smooth exit path. They should not stand on the lifted object for lifting operations; Do not leave the work site after lifting heavy objects in the air. During the lifting process, any personnel should hide outside the range where the lifted object may fall or the range where the chain hoist may fail to reach; It is strictly prohibited to stand in the direction of chain rebound.

　　3. During operation, the lifting should be done slowly. After the lifting chain is tensioned, a comprehensive inspection of the force on the equipment and the lifted object should be carried out. Special attention should be paid to whether the lifting chain is twisted. The twisted chain must be adjusted properly and checked for any abnormalities before continuing the operation.

　　4. During operation, when pulling the chain hoist, the force should be evenly applied. If the chain cannot be pulled, the cause should be identified and the fault should be eliminated before proceeding with the operation. It is prohibited to pull it forcefully by several people. The inspection content is:

　　Is the heavy object to be lifted connected to other objects.

　　Is there any damage to the components of the chain hoist.

　　Whether the weight to be lifted exceeds the rated load of the chain hoist.

　　5. When lifting vertically, try to lift the object as soon as possible, and the zipper personnel should avoid the range where the heavy object may fall.

　　During the lifting process, if it is necessary to temporarily suspend the heavy object, the hand zipper should be tied to the lifting chain to prevent the self-locking mechanism from malfunctioning and accidents from occurring.

　　7. After lifting, personnel are strictly prohibited from doing any work or walking under heavy objects to avoid personal accidents.

　　When tilting or using horizontally, pay attention to adjusting the direction of the zipper to conform to the direction of the sprocket, prevent the zipper from slipping out of its groove or getting stuck, and do not lift heavy objects away.

　　When using multiple chain hoists to lift a heavy object simultaneously, each chain hoist should choose a reasonable lifting point to ensure that the load capacity of each chain hoist is within the rated load range, overloading is strictly prohibited, and a dedicated person should coordinate and command.

　　10. Any of the following situations shall not be lifted.

　　Overloading or unclear weight of objects.

　　⑵ Diagonal suspension of objects.

　　⑶ Loose or unbalanced binding and hanging.

　　There is no padding between the edges and corners of heavy objects and the steel wire rope.