Righting manipulator for workover rig
The utility model discloses a righting manipulator for a workover rig. The righting manipulator comprises a base, a support rod, a hydraulic cylinder and a connecting rod with a handgrip, wherein one end of the support rod is articulated with the base, and the other end of the support rod is articul...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model discloses a righting manipulator for a workover rig. The righting manipulator comprises a base, a support rod, a hydraulic cylinder and a connecting rod with a handgrip, wherein one end of the support rod is articulated with the base, and the other end of the support rod is articulated with one end of the connecting rod; the other end of the connecting rod is fixedly connected with the handgrip; a piston rod of the hydraulic cylinder is outwards articulated with the support rod; a rodless end of the hydraulic cylinder is articulated with the base; a spring is connected between the support rod and the connecting rod; a damper is connected between the support rod and the connecting rod. The position of the handgrip can be regulated by virtue of the hydraulic cylinder, so that picking-up and righting of the oil pipe during well workover of a petroleum well can be effectively realized, the labor danger degree of operating personnel is reduced, the working efficiency is high, and the device is simple in overall structure, reasonable in design and convenient in rear-stage maintenance. |
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