Core rod oil cylinder of vertical extrusion machine and piston rod protection device of core rod oil cylinder

The invention discloses a core rod oil cylinder piston rod protection device. The core rod oil cylinder piston rod protection device comprises a piston rod protection sleeve, a guiding copper sleeve, a connecting flange and a dustproof pressing cover, wherein a step flange is arranged at the bottom...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JIANG XIAOMEI, LIU KEHONG, YANG DONGPING, WANG ZHISHEN, CHEN JIANPING, LIU YANG, HUANG YANLI, YAO JIANQING, ZHANG YONGSHENG, SUN HAO, ZHENG JUNJIE, DU HONGQIANG, ZHAO XIANFENG, YANG LIFENG, LEI BINGWANG, LIANG HONGLIANG, REN XIANG, XING ZHIGANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL 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 LUBRICATING MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PISTONS PUNCHING METAL SEALINGS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a core rod oil cylinder piston rod protection device. The core rod oil cylinder piston rod protection device comprises a piston rod protection sleeve, a guiding copper sleeve, a connecting flange and a dustproof pressing cover, wherein a step flange is arranged at the bottom of the piston rod protection sleeve and provided with a step screw through hole, the guiding copper sleeve is installed on the upper portion of an inner hole of the piston rod protection sleeve, the connecting flange is arranged on the upper portion of the outer wall of the piston rod protection sleeve and provided with a flange through hole, the dustproof pressing cover is arranged at the top of the piston rod protection sleeve and is pressed at the tops of the connecting flange, the piston rod protection sleeve and the guiding copper sleeve, the dustproof pressing cover is provided with a pressing cover through hole, a connecting screw rod sequentially penetrates through the pressing cover through hole and the fl