Efficient drilling equipment for underground water disaster drilling in coal mine area

The invention relates to the technical field of coal mining accessory devices, in particular to efficient drilling equipment for underground water disaster drilling in a coal mine area, the efficient drilling equipment is simple in structure, drill rods of different types can be rapidly replaced, and the drilling efficiency is improved; comprising two fixing shafts and a lifting plate installed on the fixing shafts in a sliding mode, and a power mechanism used for driving a drill rod to rotate is arranged on the lifting plate in a sliding mode. The device further comprises a door-shaped plate fixed to the lifting plate, a first hollow shaft pipe is rotationally installed on the door-shaped plate, a hollow spline shaft is fixed to one end of the first hollow shaft pipe, a spline sleeve slides on the hollow spline shaft, and a circular rotary table is fixed to the spline sleeve. A first guide sleeve used for guiding the spiral drill rod is fixed to one end of the round rotary table through an extension plate, a