JPH05293705

PURPOSE:To provide a drilling device which is capable of quickly and easily moving between spots to be drilled, and adjusting the position of a drill without using a crane, etc., in conventionally used drilling devices capable of efficiently performing operation of drilling a steel member in a narrow place such as a construction site of an underground railway. CONSTITUTION:A drilling device body 1 is composed of a movable case for rotatably supporting a spindle holding the shank part of a drill, a drive mechanism for rotating the spindle, a sliding mechanism for moving the movable case along the axis of the drill, and a frame for housing the sliding mechanism and having a fixing screw, the length of which is adjustable. A supporting case 100, the central part of which is swingably supported, is provided on a supporting frame 104 having wheels 106, the drilling device body 1 is hung and held at one end of the supporting case 100 through a gear case 101, and a drive motor 10 and a transmission mechanism 110 for transmitting power to the drive mechanism by the motor are provided at the other end of the supporting case.