| 摘要 |
A device for manoeuvring the lower end of the drilling pipe belt in the drilling rig, including and outrigger with a bracket, characterized in that the outrigger (7) is rigid and is pivot-attached to a trolley (6) moving along a horizontal guide (5) located above the base (1); and the device is outfitted with at least one actuator (8) to alter the outrigger (7) position, whereas the actuator (8) is pivot-fastened to the trolley (6) and the outrigger (7), whereas the bracket (9) has a constant shape.<IMAGE>
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