Fixing device for coal mine power supply cable

The utility model belongs to the technical field of cable fixing equipment, and particularly relates to a fixing device for a coal mine power supply cable, which comprises a fixing plate, and is characterized in that four groups of fixing holes are formed in the fixing plate, a sliding plate is fixedly connected onto the fixing plate, and the sliding plate is fixedly connected with the fixing plate. Two groups of sliding grooves are formed in the sliding plate at intervals, a sliding plate is slidably connected in the two groups of sliding grooves, locking devices for positioning are arranged between the sliding plate and the sliding grooves, four groups of cable placing grooves are longitudinally formed in the sliding plate at intervals, a plurality of groups of auxiliary grooves are formed in the four groups of cable placing grooves at intervals in the circumferential direction, and the cable placing grooves are connected with the auxiliary grooves. Movable plates are connected into the multiple sets of aux