Dynamic under-pressure high-sealing-performance hole sealing device for hole sealing section of underground extraction drill hole

The invention relates to an underground extraction drilling hole sealing section dynamic under-pressure high-sealing-performance hole sealing device which comprises an integrated pipeline provided with an air bag and an air bag and an adapter arranged at one end of the integrated pipeline, the adapt...

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Bibliographische Detailangaben
Hauptverfasser:	SHEN KAI, FAN ZHENGXING, SHI, ROBERT, YONGTAO, MA KAI, ZHANG YINGYI, XIONG WEI, XIAO ZHENG, LIAO YIN, CHEN JUNREN, BA QUANBIN, MA QIANQIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The invention relates to an underground extraction drilling hole sealing section dynamic under-pressure high-sealing-performance hole sealing device which comprises an integrated pipeline provided with an air bag and an air bag and an adapter arranged at one end of the integrated pipeline, the adapter is provided with a first connecting flange, the integrated pipeline is provided with a second connecting flange, and the second connecting flange is provided with a second connecting flange. The first connecting flange and the second connecting flange are each provided with a butt-joint through groove distributed in a circular array mode, a stable connecting assembly is arranged in each butt-joint through groove, the first connecting flange and the second connecting flange are connected through the stable connecting assemblies, and a sealing auxiliary assembly is further arranged between the first connecting flange and the second connecting flange. And the sealing auxiliary assembly is used for sealing. Through