Dual-balance-weight oil cylinder hydraulic control system and engineering machine

The invention discloses a dual-balance-weight oil cylinder hydraulic control system and an engineering machine. The system comprises a flow dividing and collecting valve, a first electromagnetic valve, a second electromagnetic valve, an angle detection element, a first balance weight oil cylinder an...

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Bibliographische Detailangaben
Hauptverfasser:	SHI GUANGYUAN, WU XIN, YE JIXIAO
Format:	Patent
Sprache:	chi ; 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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Beschreibung
Zusammenfassung:	The invention discloses a dual-balance-weight oil cylinder hydraulic control system and an engineering machine. The system comprises a flow dividing and collecting valve, a first electromagnetic valve, a second electromagnetic valve, an angle detection element, a first balance weight oil cylinder and a second balance weight oil cylinder, the flow dividing and collecting valve comprises a flow collecting opening, a first flow dividing opening, a second flow dividing opening and a flow returning opening, the first electromagnetic valve is used for controlling an oil path between the first flow dividing opening and a rodless cavity of the first balance weight oil cylinder to be on and off, the second electromagnetic valve is used for controlling an oil path between the second flow dividing opening and a rodless cavity of the second balance weight oil cylinder to be on and off, the angle detection element is used for detecting the inclination angles of balance weights in real time, the first electromagnetic valve