Vertical rotary drilling machine

The utility model relates to a small-size vertical rotary drilling machine, which is mainly composed of a travelling mechanism, a lifting mechanism, a guiding column, an operator cabin, the head of a drilling machine, an electrical apparatus control system, a motor, an operating rod, a chassis and a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YUCHANG REN, HUISU WANG, MINGYANG FU
Format:	Patent
Sprache:	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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