Electric hydraulic jack

The utility model relates to an electric hydraulic jack for driving weight. The utility model is characterized in that a jack is provided with an electric drive device which is composed of an electromagnet, an electromagnetic valve and a controller, wherein the electromagnet is sheathed at a piston...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XIAOXING XUE, XIAOHUA XUE, JIANXUN GAN
Format:	Patent
Sprache:	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 relates to an electric hydraulic jack for driving weight. The utility model is characterized in that a jack is provided with an electric drive device which is composed of an electromagnet, an electromagnetic valve and a controller, wherein the electromagnet is sheathed at a piston rod for driving a piston, the electromagnetic valve is arranged at an oil return pipe path of a load piston, and the controller is provided with a control circuit board; the piston rod for driving the piston is provided with a repulsion board, an annular electromagnet is sheathed at the piston rod driving the piston and is positioned on a repulsion board, the electromagnet is provided with a conducting wire which is externally connected with the controller and the electromagnetic valve is provided with a conducting wire which is externally connected with the controller. The jack with the conducted scheme replaces the hand drive by the electric drive, so the utility model has the advantages of convenient use, labor saving, simple and reasonable structure, definite practical meaning and beneficial effect.