The working route of the wire rope electric hoist is the motor, coupling, three-stage gear reducer input shaft, reducer output shaft, and drum. The gearbox of the wire rope electric hoist plays a crucial role in the operation of the electric hoist. If the gearbox malfunctions, it will cause the entire electric hoist to become paralyzed and unable to function properly. The output shaft of the wire rope electric hoist gearbox is connected to the output shaft of the motor, and the output shaft of the gearbox is connected to the drum.

　　The function of the wire rope electric hoist gearbox is to convert the high speed and small torque mechanical energy of the motor into low speed and large torque mechanical energy, and transmit it to the output shaft of the gearbox. The output shaft of the gearbox drives the drum to rotate, completing the lifting process of the electric hoist. Based on the working condition of the electric hoist, it can be determined that the working state of the electric hoist gearbox is always in a state of variable speed and load.