Rope loosening protection device for underground coal mine haulage winch

The utility model relates to a coal mine underground haulage winch loose rope protection device which comprises a vehicle body, protection mechanisms used for improving the outer side protection effect are arranged on the four sides of the outer surface of the vehicle body, a slow descent mechanism used for improving the slow descent effect is arranged on the lower surface of the vehicle body, and the protection mechanisms comprise installation grooves formed in the four sides of the outer surface of the vehicle body. According to the rope loosening protection device for the underground coal mine haulage winch, the protection mechanism is arranged, and through mutual cooperation of a mounting groove, supporting springs, a buffer cover, an air bag trigger, a buffer air bag and the like, the four sides of the outer surface of a vehicle body can be comprehensively protected by utilizing the four supporting springs to elastically support the buffer cover; and when the haulage winch is broken due to rope loosening