Telescopic conveying device

The utility model discloses a telescopic material conveying device which comprises a fixed sleeve, a movable pipe movably inserted in the fixed sleeve and a driving device for driving the movable pipe to move relative to the fixed sleeve in the axial direction of the fixed sleeve. The movable pipe p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	TANG XUEGUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a telescopic material conveying device which comprises a fixed sleeve, a movable pipe movably inserted in the fixed sleeve and a driving device for driving the movable pipe to move relative to the fixed sleeve in the axial direction of the fixed sleeve. The movable pipe penetrates through the first end of the fixed sleeve and protrudes outwards to extend out of the fixed sleeve, the driving device is provided with a plurality of driving elements distributed around the fixed sleeve, one end of each driving element is connected with the fixed sleeve, and the other end of each driving element is connected with the movable pipe; and a sealing ring is arranged between the outer wall of the movable pipe and the inner wall of the fixed sleeve. And when material conveying is not needed, the driving element drives the movable pipe to move, so that the length of the part, extending into the fixed sleeve, of the movable pipe is increased, and the length of the telescopic material conveying de