Self-control type hole sweeping device for coal mining

The invention is applicable to the technical field of coal mining equipment, and provides a self-control type hole sweeping device for coal mining. The self-control type hole sweeping device for coalmining comprises a gun body assembly. The gun body assembly comprises a gun body, a handheld handle, a hole sweeping pipe and a valve control piece, the handheld handle and the gun body are integrallyformed, the hole sweeping pipe is arranged at the end, far away from the handheld handle, of the gun body, the valve control piece is used for controlling the opening and closing of the hole sweepingpipe, the handheld handle and the gun body are each of a hollow structure, an air inlet pipe communicating with the handheld handle is arranged at the end, far away from the gun body, of the handheldhandle, and the hole sweeping pipe is fixed to and communicates with the end, far away from the handheld handle, of the gun body. The gun body and the handheld handle of the hole sweeping device aredesigned to be integrally formed, and the gun body and the handheld handle are each of the hollow structure, so that when an air source enters the air inlet pipe communicating with the handheld handle, the air source can flow out of an air outlet end of the hole sweeping pipe communicating with the gun body, and the hole sweeping work is carries out. Meanwhile, the valve control piece capable of adjusting the opening and closing of the hole sweeping pipe is arranged, and the valve control piece is arranged to facilitate the control over the size of the air sprayed out of the hole sweeping pipe.