PROBLEM TO BE SOLVED: To provide a slope anchoring work machine capable of positioning easily a drilling device in an anchor driving position at a prescribed angle. ;SOLUTION: A boom 2 turned up/down and extended contractably is mounted on a base machine 1, traveling by a crawler belt, of which the upper part body 1a is turnable, and a drilling device 20 provided with a drilling tool 23 guided by a leader 27 sliding along a guide rail 22 is pin-connected to a tip of the boom 2 to be tiltable longitudinal-directionally via a flexible mechanism 10, the mechanism 10 is provided with mechanisms to allow horizontal oscillation and turn, and the mechanism for the turn is connected to the drilling device 20.;COPYRIGHT: (C)2001,JPO
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