| 摘要 |
PROBLEM TO BE SOLVED: To provide an easy-to-handle, lightweight drill suitable for use in drilling a face of slope, etc. SOLUTION: In the drill, a rodless cylinder of a predetermined length is provided with a machine frame which can be suspended by a crane and a carriage for supporting a rock drill is mounted to the piston of the rodless cylinder and the rock drill with a blowing air supply means is mounted on the carriage. The carriage is provided with a plurality of guide rollers which roll in contact with the outer peripheral surface of the tube of the rodless cylinder and the machine frame is provided with a fixing means capable of fixing the rodless cylinder to a frame provided in a drilling position. In place of the rodless cylinder, a guide cell of a different structure may be used.
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