DRILLING DEVICE AND DRILLING METHOD USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a new drilling device allowing a hole to drilled while making the high accuracy of the location and vertical properties of drilling compatible with the stability of an operation even when the hole is drilled in inclined ground and the like. SOLUTION: The lower end part of a leader 10 for guiding a drilling means 12 in a drilling direction is fixedly supported on the ground 14 by drilling type anchor means 76 and 76, and the upper end part of the leader 10 is suspended for support by a crawler crane 96.