Multi-section hydraulic oil cylinder with compact structure

The utility model discloses a multi-section hydraulic oil cylinder with a compact structure, which comprises a main cylinder, a first-stage hydraulic rod, a second-stage hydraulic rod and a third-stage hydraulic rod, the third-stage hydraulic rod is arranged in the second-stage hydraulic rod, the se...

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Bibliographische Detailangaben
Hauptverfasser:	GUO BAOZHU, HUANG ZHAOXIN, HUANG ZHAOFU
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 utility model discloses a multi-section hydraulic oil cylinder with a compact structure, which comprises a main cylinder, a first-stage hydraulic rod, a second-stage hydraulic rod and a third-stage hydraulic rod, the third-stage hydraulic rod is arranged in the second-stage hydraulic rod, the second-stage hydraulic rod is arranged in the first-stage hydraulic rod, the first-stage hydraulic rod is arranged in the main cylinder, the lower part of the main cylinder is provided with an oil inlet and an oil outlet, and the oil inlet and the oil outlet are communicated with each other. The first-stage piston is embedded in the inner side wall of the main cylinder in a sealed and sliding mode, an oil channel is formed in the upper end of the main cylinder and communicated with the first-stage rod body, the second-stage piston is embedded in the inner side wall of the first-stage rod body in a sealed and sliding mode, and an oil channel is formed in the upper end of the first-stage rod body and communicated with