Drilling rod full cycle crimp mechanism

The utility model discloses a drilling rod full cycle crimp mechanism, including only rotatable sleeve, there are a plurality of slips pieces through taper fit in the sleeve to form block diameter adjustable structure, the spiral shell closes the fixedly connected with lateral pin on the slips piece...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YU ZHENG'AO, XU TAO, FAN LIN, ZHANG DI, HUANG CHANGWEN, ZHANG SHANGBIN, XIANG CHENQIAN, ZHANG CUILAN, CHEN XINGYI, GUO CHENYE
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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