Liftable external spraying device for coal mining machine

The utility model discloses a lifting type external spraying device for a coal mining machine, which comprises an equipment box, a motor, a reciprocating lead screw and a lead screw nut, the top of the equipment box is fixedly provided with the motor, one side of a fixed plate is fixedly provided with a reset spring, the outer side surface of a movable sleeve plate is fixedly provided with a mounting plate, and the movable sleeve plate is fixedly provided with a lifting device. A side bolt is installed in a hole in the tail end of the installation plate in a penetrating mode, a side magnet is fixedly installed on the outer side wall of the movable sleeve plate, and a trigger magnet is fixedly installed on the plate-shaped structure of the outer wall of the equipment box. According to the liftable external spraying device for the coal mining machine, a novel structural design is adopted, the working angle of the atomizing nozzle can be conveniently adjusted, the position of the atomizing nozzle can be driven t