Efficient bidirectional vibration impact power head

The invention discloses an efficient bidirectional vibration impact power head in the technical field of geological drilling, which comprises a power joint, an upper bearing seat, two positioning rings, a lower bearing seat and a water injection sleeve which are sequentially connected to form a stab...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LAN LIBIAO, LAN LIFENG
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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