Composite iron roughneck and sliding device thereof

The utility model discloses a composite iron roughneck and a sliding device thereof, and the composite iron roughneck comprises a telescopic arm iron roughneck which is provided with a rotary assembly; and the sliding device comprises a horizontal pulley, a sliding oil cylinder, a guide rail, a moun...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU AIPING, SUN ZHANGUANG, LI ZUNWEI, WANG YANSHUN, WEI SHUANGHUI, LI YANJUN, MIAO BO, SONG HAILIN, XUE CHAO
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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