Large-diameter single-action piston hydraulic cylinder

The invention relates to a large-diameter single-action piston hydraulic cylinder, in particular to a copper supporting ring used for sealing the large-diameter single-action piston hydraulic cylinder, and belongs to the technical field of metal extrusion. The large-diameter single-action piston hyd...

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Bibliographische Detailangaben
Hauptverfasser:	LIU BAIDONG, LIU QIZHEN, CHEN JIANPING, LEI BINGWANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a large-diameter single-action piston hydraulic cylinder, in particular to a copper supporting ring used for sealing the large-diameter single-action piston hydraulic cylinder, and belongs to the technical field of metal extrusion. The large-diameter single-action piston hydraulic cylinder comprises a piston. A sealing groove is formed in the piston, a combined sealing element is arranged in the sealing groove, the copper supporting ring is arranged in the sealing groove, the copper supporting ring is located above the combined sealing element, and the outer diameter of the copper supporting ring is larger than the outer diameter of the piston. When the large-diameter single-action piston hydraulic cylinder bears high hydraulic pressure and operates the whole working stroke, due to the supporting action of the copper supporting ring, the extrusion-resistance capacity of the combined sealing element is strengthened, and the probability that the lip edge of the combined sealing element