Lifting device for coal mine electromechanical transportation

The hoisting device comprises a base, a metal supporting frame is fixedly connected to the top end of the base, a plurality of guide wheels are rotatably connected to the interior of the top end of the metal supporting frame, a metal cylinder is fixedly connected to the top end of the metal supporting frame, and a threaded moving part is slidably connected to the inner wall of the metal cylinder. One end of the inner wall of the metal cylinder is rotationally connected with a screw rod, the side wall of the screw rod is in threaded connection with the inner wall of a threaded moving part, the side wall of the metal cylinder is provided with a plurality of limiting sliding grooves, the side wall of the threaded moving part is fixedly connected with a plurality of connecting parts, and one ends of the connecting parts are rotationally connected with a limiting guide wheel; in the technical scheme provided by the utility model, the rope is prevented from breaking away from the groove of the guide wheel to cause