When using the winch, does the wire rope remain on the drum at least three turns?
The hoist, an important equipment for lifting and pulling operations through electric drive, can not only carry out vertical lifting, but also horizontal pulling and oblique pulling. It has a very wide range of applications, especially in construction projects. , water conservancy projects, mining, and terminal hoisting are all indispensable for the winch.
The rigging mainly used for hoisting and lifting is steel wire rope, which is also widely used at present, and there are many rigging equipment used in combination. When the winch is operating, the wire rope is kept on the drum for at least three turns. Many people do not understand it very well. Below, Chenghua Manufacturing will briefly explain it to you.
We need to know that the end of the wire rope is fixed on the reel by the pressure plate. In order to prevent the wire rope from being pulled out from the pressure plate due to excessive tension when hanging objects, or the screw of the pressure plate is broken and a fall accident occurs, it is generally required that at least It is necessary to keep three circles of wire rope, so as to ensure that a large friction force is generated between the wire rope and the drum, thereby effectively reducing the tension of the pressure plate.
It is also for this reason that all winches have this requirement during operation, and more than three turns of wire rope are reserved on the drum to ensure the safe operation of the winch and avoid the accident of breaking the rope. occur.
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