Dust falling device special for motor train unit maintenance

The utility model belongs to the technical field of dust falling equipment, and discloses a dust falling device special for motor train unit maintenance, which comprises a mobile station, a water tank arranged in the mobile station, a water pump connected with the water tank, a mobile power supply connected with the water pump, a dust receiving plate arranged above the back of the mobile station, a vertical bottom end of the dust receiving plate, and a horizontal section formed by forward bending of the top end of the dust receiving plate. The bottom surface of the horizontal section is connected with a plurality of spray heads which are connected with a water pump. The water tank, the water pump, the dust receiving plate, the spray head and other components are carried by the mobile platform, the device is placed behind the hatch of the equipment cabin, the front face faces the hatch, the water pump and the spray head are started to make mist, a mist area is formed in front of the dust receiving plate, dust