Cage type pneumatic elevator
The invention belongs to the technical field of oil pipe elevators, and particularly relates to a cage type pneumatic elevator which comprises an elevator body, a jaw plate assembly is movably arranged in the elevator body, a connecting rod assembly is arranged on one side of the elevator body, a po...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention belongs to the technical field of oil pipe elevators, and particularly relates to a cage type pneumatic elevator which comprises an elevator body, a jaw plate assembly is movably arranged in the elevator body, a connecting rod assembly is arranged on one side of the elevator body, a power air cylinder is arranged between the connecting rod assembly and the elevator body, the connecting rod assembly is hinged to the jaw plate assembly, and the jaw plate assembly is hinged to the elevator body. The power air cylinder drives the upper portion of the connecting rod assembly to rotate, the upper portion of the connecting rod assembly rotates to drive the jaw plate assembly to ascend and descend in the elevator body, the inner wall of the elevator body is in a wedge shape, the outer side face of the jaw plate assembly is matched with the inner wall of the elevator body, and a buffering assembly is arranged between the elevator body and the upper portion of the connecting rod assembly. The structure of |
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