This drilling rig is suitable for constructing pressure relief holes in the sidewalls of coal roadways in mines with high impact ground pressure, as well as for fixed-point coal sampling for coal quality measurement. The machine features high rotational speed and high torque, and when paired with spiral drill pipes, it enables rapid slag removal during pressure relief hole construction in coal roadways. With an overall width of 800 mm, the narrower body ensures excellent maneuverability in narrow roadways. Equipped with line-of-sight remote control, it enhances operator safety. It can be paired with a spiral conveying device for coal powder collection and long-distance transportation. The drilling rig is equipped with upper stabilizing cylinders and four-corner lower stabilizing cylinders to ensure borehole accuracy and machine stability during construction.