Auxiliary boom control valve, auxiliary boom hydraulic control system and crane

The invention relates to an auxiliary boom control valve, an auxiliary boom hydraulic control system and a crane. The auxiliary boom control valve comprises a valve body, wherein a switching valve, a reversing valve and an oil-returning pressure control valve are arranged on the valve body; an oil o...

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Bibliographische Detailangaben
Hauptverfasser:	YU JINGLI, WANG SHOUWEI, REN YINMEI, ZHOU FEIPENG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CRANES DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HAULING HEATING HOISTING HYDRAULICS OR PNEUMATICS IN GENERAL LIFTING LIGHTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES MECHANICAL ENGINEERING PERFORMING OPERATIONS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING WEAPONS
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