| 摘要 |
The present invention relates to a drilling rig for the attachment to a lifting arm, comprising a foot part (10), a stand part (11) secured to the foot part (10) and extending upwards from the foot part (10), and on which stand part (11) a drill holder (2) is movably arranged, a lifting part (12) provided with an attachment arrangement (120) arranged to be connected to said lifting arm, and a drive arrangement (3, 31, 32, 34) for the movement of said drill holder (2), wherein said drive arrangement is arranged to supply force for the motion upwards of said drill holder (2), and that the drill holder (2) is arranged to be moved downwards on the stand part (11) by gravity. |
