Drum shearer

The utility model discloses a drum shearer and relates to the technical field of shearers. The coal mining machine comprises a coal mining machine body, a water tank is fixed to the top of the coal mining machine body and connected with a water pump through a first water pipe, and the water pump is connected with a dust removal shell through a second water pipe; mounting shells are fixed to the two sides of the dust removal shell, and baffles are movably connected to one sides of the mounting shells; through holes are formed in the surface of the mounting shell, a plurality of limiters are fixed to one side of the baffle, connecting plates are fixed to one sides of the limiters, and clamping rods are fixed to one sides of the connecting plates; the clamping rod penetrates through the through hole and the baffle plate; multiple nozzles are fixed to the inner wall of the dedusting shell. According to the utility model, under the action of the spray head, the spray head sprays water mist to cool and remove dust