Hydraulic drive type heading machine onboard dust removing fan

The invention discloses a hydraulic drive type heading machine onboard dust removing fan. The hydraulic drive type heading machine onboard dust removing fan comprises a dust remover cylinder body. The hydraulic drive type heading machine onboard dust removing fan is characterized in that the front end opening part of the dust remover cylinder body is provided with a current collector, and a grid is fixed on the inlet of the current collector; a fixed support II is connected with the current collector; a spray nozzle is fixed on the fixed support II, and is connected with a pipe opening of the water intake pipe; the dust remover cylinder body is internally provided with a fixed support I connected with the dust remover cylinder body; a hydraulic motor is connected with the fixed support I, is provided with fan blades, and is connected with an oil pipe; a flow guider is arranged behind the hydraulic motor, and is connected with the inner wall of the dust remover cylinder body; the tail end of the dust remover cylinder body is provided with a dehydrator. The hydraulic drive type heading machine onboard dust removing fan can effectively control the pollution to the operation environment by dust-containing air streams in the operation process of a heading machine, and is small in size, low in noise, high in safety coefficient, and high in capability of treating dust containing air streams.