The winch drives the drum to rotate to pull the wire rope. The motor can be controlled by a frequency converter to achieve fast or slow speed. The following describes the main categories of winch in detail

　　The main categories of winch are:

　　Slow speed winch: winch with slow rated speed of wire rope on the drum.

　　Fast winch: winch with relatively fast rated speed of wire rope on the drum.

　　Electric winch: a winch driven by a motor to rotate the drum.

　　Speed winch: winch with adjustable speed control

　　Manual winch: a winch powered by human power, which rotates the drum through the driving device

　　Winch is generally composed of base, motor, elastic coupling, electromagnetic brake or hydraulic brake, two-stage or three-stage enclosed gear reducer, drum and supporting foot.