Double-acting actuator

The invention relates to hydraulic equipment, in particular to a double-acting actuator which comprises a first cylinder, a first piston rod, a first piston, a second cylinder, a second piston and a third piston, one end of the first piston and one end of the first piston rod are both arranged in th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHU JINGJING, ZHANG ZHENHUA, WANG FEI, CHEN LIANG, YU YANG, LI DARANG, JIANG BOWEN, YANG KAIQIANG, ZHANG SIMIAO, XU PUKAI
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 HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to hydraulic equipment, in particular to a double-acting actuator which comprises a first cylinder, a first piston rod, a first piston, a second cylinder, a second piston and a third piston, one end of the first piston and one end of the first piston rod are both arranged in the first cylinder, the other end of the first piston rod extends out of the first cylinder, and the third piston is arranged in the second cylinder. A first cavity and a second cavity are formed in the first cylinder body, a first through hole and a second through hole are formed in the side wall of the first cylinder body, a first boss extending in the circumferential direction is arranged on the inner wall of the second cylinder body, a third through hole and a fourth through hole are formed in the side wall of the second cylinder body, the fourth through hole is communicated with the second through hole, and the second through hole is communicated with the third through hole. A third cavity and a fourth cavity ar