FORK LEVELING SYSTEM AND METHOD, AND TELESCOPIC BOOM FORKLIFT

The present disclosure provides a fork leveling system and method thereof, and a telescopic boom forklift, which relate to the technical field of hydraulic adjustment. The fork leveling system includes an active leveling oil cylinder (2), a passive leveling oil cylinder (4) and an electric control o...

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Bibliographische Detailangaben
Hauptverfasser:	MA, Renlian, ZHOU, Dongcai, HONG, Jiapeng
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HAULING HEATING 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 HYDRAULICS OR PNEUMATICS IN GENERAL LIFTING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The present disclosure provides a fork leveling system and method thereof, and a telescopic boom forklift, which relate to the technical field of hydraulic adjustment. The fork leveling system includes an active leveling oil cylinder (2), a passive leveling oil cylinder (4) and an electric control oil supplement valve (11), wherein a rodless cavity of the active leveling oil cylinder (2) is communicated with a rodless cavity of the passive leveling oil cylinder (4), and a rod cavity of the active leveling oil cylinder (2) is communicated with a rod cavity of the passive leveling oil cylinder (4); and an oil inlet of the electric control oil supplement valve (11) is connected to an oil pump (9), and an oil outlet of the electric control oil supplement valve (11) is connected to the rodless cavity of the active leveling oil cylinder (2) and the rod cavity of the active leveling oil cylinder (2). The telescopic boom forklift includes the fork leveling system, and the automatic leveling method for a fork is applicable to the fork leveling system. According to the fork leveling system and method thereof, and the telescopic boom forklift, the technical problem of difficulty in replenishing oil in a state of automatic leveling in the prior art can be solved to a certain degree.