Electro-hydraulic actuator for four-cylinder synchronous lifting of AGV (Automatic Guided Vehicle)

The invention relates to an electro-hydraulic actuator for four-cylinder synchronous lifting of an AGV (automatic guided vehicle). The electro-hydraulic actuator comprises a hydraulic control valve bank, a motor assembly, a hydraulic pump and a single-rod symmetrical oil cylinder assembly, and the h...

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Bibliographische Detailangaben
Hauptverfasser:	LOU SHENQI, WANG XIAOQIANG, GE YUGUO, ZHOU HAIYONG, HE ZHENJIE
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 invention relates to an electro-hydraulic actuator for four-cylinder synchronous lifting of an AGV (automatic guided vehicle). The electro-hydraulic actuator comprises a hydraulic control valve bank, a motor assembly, a hydraulic pump and a single-rod symmetrical oil cylinder assembly, and the hydraulic pump is mounted in the hydraulic control valve bank; the motor assembly is connected with the hydraulic pump, the hydraulic pump is connected with the single-rod symmetrical oil cylinder assembly through the hydraulic control valve set, and the hydraulic control valve set, the motor assembly, the hydraulic pump and the single-rod symmetrical oil cylinder assembly are integrally installed. The invention can meet the use requirements of special working conditions (heavy load, large unbalance load and severe heavy industrial environment). The hydraulic pump is integrally designed and mounted, adopts a servo motor pump control closed system of an advanced digital intelligent EHA control technology, and is prov