Novel hand-operated dragging device of highland pumping unit
The utility model relates to the field of highland pumping units, in particular to a novel hand-operated dragging device of a highland pumping unit. The novel hand-operated dragging device comprises a tube body, and is characterized in that two to six jaws which are reversely buckled outwards are ev...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the field of highland pumping units, in particular to a novel hand-operated dragging device of a highland pumping unit. The novel hand-operated dragging device comprises a tube body, and is characterized in that two to six jaws which are reversely buckled outwards are evenly arranged at the front end of the tube body, a spreader bar is inserted into the tube body from the jaw end, the jaw end of the spreader bar is in a horn shape, the other end of the spreader bar extends out of the rear end of the tube body and is provided with threads, and a nut is arranged on the threads in a matched mode; a fixed bottom plate is perpendicularly connected to the rear portion of the tube body and is connected with a movable bottom plate through bolts, a supporting rod extends upwards from the middle portion of the fixed bottom plate, a reduction gearbox is horizontally arranged at the top end of the supporting rod, a power input shaft arranged at the rear end of the reduction gearbox is in tran |
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