Active packer

The invention discloses an active packer. The active packer comprises a sleeve, a steel pipe column is arranged in the sleeve, a composite barrel is arranged between the sleeve and the steel pipe column, a high-strength connecting layer is arranged on one side of the composite barrel, a low-strength...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XU JINGKUO, NIE XIAOMING, YU WENTAI, SUN JIANBANG, LIU SHUNQING, LI HUAILIANG, YIN TING, QIN LICHENG, MA MEIQIN, LI LITAO, ZHANG YASHENG, SHI CHENGANG, LI XINCHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS EMBANKMENTS ENGINEERING ELEMENTS AND UNITS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULIC ENGINEERING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS SOIL SHIFTING THERMAL INSULATION IN GENERAL UNDERGROUND OR UNDERWATER STRUCTURES WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses an active packer. The active packer comprises a sleeve, a steel pipe column is arranged in the sleeve, a composite barrel is arranged between the sleeve and the steel pipe column, a high-strength connecting layer is arranged on one side of the composite barrel, a low-strength connecting layer is arranged at one end of the high-strength connecting layer, a double-T-head back attaching layer is arranged on one side of the high-strength connecting layer, a pressing plate is arranged at one end of the double-T-head back pasting layer, a pressing device is arranged on one side of the pressing plate, a bolt extending into the pressing plate is arranged on one side of the pressing device, an air nozzle extending to the outer side of the sleeve is arranged on one side of the composite barrel, and a flexible inner barrel is arranged in the composite barrel. According to the active packer, by arranging the flexible inner cylinder, the framework layer, the outer protection layer, the high-strengt