The driver shall not leave the post when the lifted object does not completely fall on the ground. When resting or suspending operations, objects or lifting cages must be lowered to the ground. After work, cut off the power supply and close the switch box. The driver shall pay attention to the operating conditions and the wear of wire rope at any time. When the load changes and is lifted for the first time, stop for 0.5m above the ground, and continue to rise when there is no problem.

Winch, a small and light lifting equipment that uses a drum to wind steel wire rope or chain to lift or pull heavy objects, is also called a winch. The winch can lift the heavy object vertically, horizontally or obliquely. Winches are divided into manual winch, electric winch and hydraulic winch. Mainly electric winch. It can be used alone or as a component of hoisting, road building, mine hoisting and other machinery. It is widely used because of its simple operation, large amount of rope winding and convenient displacement. It is mainly used for lifting or hauling materials in buildings, water conservancy projects, forestry, mines, docks, etc.