Occupied pup joint hoisting tool
The utility model provides an occupying pup joint hoisting tool, which relates to the technical field of hoisting, and comprises a hoisting rod, the top of the hoisting rod is fixedly connected with a hoisting ring, the bottom end of the hoisting rod is fixedly connected with a U-shaped hoisting hoo...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides an occupying pup joint hoisting tool, which relates to the technical field of hoisting, and comprises a hoisting rod, the top of the hoisting rod is fixedly connected with a hoisting ring, the bottom end of the hoisting rod is fixedly connected with a U-shaped hoisting hook assembly through a locking piece, and one end of the U-shaped hoisting hook assembly far away from the hoisting rod is fixedly provided with a back-off assembly. And a three-section type safety stop block is arranged on the lifting rod. By adopting the combined structure of the back-off assembly and the three-section type safety check block, under one condition, the lower-section check block rotates to the position over a flange hole of the occupied short section and is matched with the back-off assembly, and dual safety assurance can be achieved; under one condition, the upper-section stop block is rotated to the position over the flange hole of the occupied short section, a constructor can quickly take out the |
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