| 摘要 |
<p>A gripping device (1) for a drill string component handling device in a rock drill rig includes gripper element pairs (3- 4;3'-4') being supported by a body (5) and including at least one gripper element (3,4;3',4'), being pivotally movable around a pivot joint (7), between a closed position, comprising a gripping position, and an open position, the pivotally movable gripper element being pivotal in a respective gripper plane forming a right angle to an axial direction (R), wherein each movable gripper element (3, 4,·3 ',4') is provided with an actuation portion (8), which co-operates with a wedge device (9,9') being movable in directions parallel to said axial direction (R) for pivoting said movable gripper element (3, 4; 3 ', 4 ' ) · The invention also concerns a method, a drill string component handling device for a rock drill rig and a rock drill rig including a drill string component handling device.</p> |
