Device for hydraulic support tail boom promotes

The utility model discloses a device for hydraulic support tail boom promotes, the cylinder is inside to have and runs through logical chamber, is equipped with first through-hole and second through-hole on the cylinder lateral wall, and punishment do not is equipped with first plinth and second pli...

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Bibliographische Detailangaben
Hauptverfasser:	ZHU YUGANG, ZHOU WENYING, REN QIANKUN, XU HONGSHAN, YUAN QIANGGUO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GALLERIES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING PISTONS SEALINGS SHAFTS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL THERMAL INSULATION IN GENERAL TUNNELS WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a device for hydraulic support tail boom promotes, the cylinder is inside to have and runs through logical chamber, is equipped with first through-hole and second through-hole on the cylinder lateral wall, and punishment do not is equipped with first plinth and second plinth with the second through-hole at first through-hole, and the cylinder is close to first through-hole one end and welds the cylinder cap, and one end that the piston rod was equipped with the piston is followed the cylinder other end and is stretched into and run through logical intracavity, and the piston lies in between first through-hole and the second through-hole, and the piston rod outside is equipped with the stop collar of fixing in the sleeve, and the stop collar lies in the second through-hole keeps away from on one side of the first through-hole, is equipped with first sealing member between piston and the cylinder, is equipped with the second sealing member between stop collar and the piston rod through the device for hydraulic support tail boom promotes of above-mentioned optimal design, overall structure is compact, and is reliable and stable, working medium flowing space reasonable in design in the cylinder, and the reasonable setting of sealing member between each part improves sealed effect greatly to the life of extension sealing washer.