Dismounting device for coupling of explosion-proof motor

The utility model belongs to the technical field of underground coal mine dismounting devices, and particularly relates to a dismounting device for a coupling of an explosion-proof motor. Mainly aiming at the problems that time and labor are wasted and the coupling can be damaged when the traditional coupling of the explosion-proof motor is disassembled, the utility model adopts the technical scheme that the dismounting device for the coupling of the explosion-proof motor comprises the explosion-proof motor; the output shaft of the explosion-proof motor is provided with the coupling; the dismounting device for the coupling of the explosion-proof motor also comprises a fixed cross beam, two positioning pull rods, a U-shaped chuck, a jack and a lengthening hinge pin; one end of one of the two positioning pull rods and one end of the other positioning pull rod are respectively and movably connected with two ends of the fixed cross beam; the other end of one of the two positioning pull rods and the other end of the other positioning pull rod are respectively and movably connected with two ends of the U-shaped chuck; moreover, the two positioning pull rods, the fixed cross beam and the U-shaped chuck form a rectangular structure; the jack is arranged in the rectangular structure; a base of the jack is movably connected with the fixed cross beam; a piston rod of the jack is movably connected with the lengthening hinge pin. The dismounting device disclosed by the utility model has the advantages of being convenient to disassemble and high in efficiency.