Good-stability pile casing driver of rotary drilling rig

The utility model discloses a pile casing driver with good stability for a rotary drilling rig, and belongs to the technical field of pile casing drivers. A pile casing driver of a rotary drilling rig with good stability comprises a supporting assembly, the supporting assembly comprises a first hing...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CAO WEIYUE, ZHAO CHENGCHENG, SUN WENYUAN, WANG ZHENGFEI
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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