Automatic retractable device for attached cables of heading machine

The utility model relates to an automatic retractable device for attached cables of a heading machine, which resolves the problem that existing attached cables cannot automatically stretch and retract along with advancing and regressing of heading machines. The automatic retractable device for the attached cables of the heading machine comprises a cable and a plurality of cable pulleys, each cable pulley comprises a body, rollers are arranged below each body, an arched frame is vertically arranged above each body, a front foldable connecting rod and a rear foldable connecting rod are hinged to each body, and the foldable connecting rods of each two cable pulleys in lateral array are hinged. A rigid rod is fixed to the front of the first cable pulley body, and the cable is fixedly supported by a hook arranged below the top end of the arched frame. The automatic retractable device for the attached cables of the heading machine is simple in manufacturing, high in firmness and wide in application range, labor int