Automatic control dust catching door for coal mine tunnel

The utility model discloses an automatic control dust catching door for a coal mine tunnel, which belongs to the technical field of dust catching doors and comprises two dust catching door components mounted in the tunnel. The dust catching door assembly comprises a door frame and a dust catching net; one side of the door frame is hinged to the roadway side wall. The dust catching net is mounted on the inner peripheral side of the door frame; a spraying device is mounted at the top in the roadway and located between the two dust catching door assemblies; a controller is mounted on the side wall of the roadway; electric telescopic rods are hinged to the bottom of the door frame; the tail ends of the electric telescopic rods are hinged to the side wall of the roadway; and the controller is electrically connected with the electric telescopic rod and the spraying device. According to the utility model, the dust catching door assemblies are respectively arranged on the two sides of the spraying area; when a worker