Self-locking connecting rod lifting device

The utility model discloses a self-locking connecting rod lifting device which comprises an oil cylinder (1), a connecting rod A (2) and a connecting rod B (3). One end of the oil cylinder (1) is fixed with a ground pin shaft, and the other end of oil cylinder (1) is in pin shaft connection with a m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MIN YINGJIE, MA JUN, MA QINGJIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HAULING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD LIFTING PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model discloses a self-locking connecting rod lifting device which comprises an oil cylinder (1), a connecting rod A (2) and a connecting rod B (3). One end of the oil cylinder (1) is fixed with a ground pin shaft, and the other end of oil cylinder (1) is in pin shaft connection with a middle pin shaft of the connecting rod A (2); one end of the connecting rod A (2) is fixed with the ground, and the other end of the connecting rod A (2) is in pin shaft connection with the connecting rod B (3). The connecting rod B (3) is connected with a lifting heavy weight. When in work, the oil cylinder is extended to push the connecting rod A (2) to move along the circumference direction, meanwhile, the connecting rod A (2) drives the connecting rod B (3), and the connecting rod B (3) lift the heavy weight. When in return stroke, the oil cylinder (1) is drawn back to pull the connecting rod A (2) to move, meanwhile, the connecting rod A (2) drives the connecting rod B (3) to move, and the connecting rod B (3)