When using the single drum winch, the lowering speed must be controlled by the brake, and the winch must be lowered slowly instead of too fast or sudden braking. It is prohibited to use the toggle switch to prevent collision and misoperation. The steel wire rope shall be regularly smeared with butter and placed in a special groove to prevent rolling and damaging the strength of the steel wire rope.

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.

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