Hydraulic system and vehicle

The utility model provides a hydraulic system and a vehicle, and belongs to the technical field of engineering equipment. A leveling oil cylinder; the input end of the pressure cylinder is connected with the variable-amplitude oil cylinder, and the output end of the pressure cylinder is connected wi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RAO SHUIBING, YANG YANLIN
Format:	Patent
Sprache:	chi ; eng
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 utility model provides a hydraulic system and a vehicle, and belongs to the technical field of engineering equipment. A leveling oil cylinder; the input end of the pressure cylinder is connected with the variable-amplitude oil cylinder, and the output end of the pressure cylinder is connected with the leveling oil cylinder; the first emergency valve is arranged in an oil path for communicating the variable-amplitude oil cylinder and the pressure cylinder so as to control the communicating state of the variable-amplitude oil cylinder and the pressure cylinder; and the second emergency valve is arranged in the oil path of the leveling oil cylinder and the pressure cylinder so as to control the communication state of the leveling oil cylinder and the pressure cylinder. According to the technical scheme, gravitational potential energy of the arm support acts on the variable-amplitude oil cylinder, hydraulic oil enters the leveling oil cylinder through the pressure cylinder, and it is ensured that the working