Automatic cable winding and unwinding device for emergency generator car

The invention discloses an automatic cable winding and unwinding device for an emergency generator car, comprising a frame, and a motor, a synchronous cable arrangement assembly and a cable drum provided on the frame. The synchronous cable arrangement assembly comprises a double-thread variable-ratio rotating shaft, a sliding rail and a sliding block; the sliding block is in threaded connection with the double-thread variable-ratio rotating shaft, and the sliding block is in sliding connection with the sliding rail; the slide block is provided with a threading port for a cable to pass through; the motor is in transmission connection with the cable drum through a first transmission assembly; and the cable drum is in transmission connection with the double-thread variable-ratio rotating shaft through a second transmission assembly. According to the cable winding and unwinding device, automatic winding and unwinding of cables can be achieved, so that the working efficiency is improved, the labor cost is reduced,