Portable drilling rig

The utility model discloses a portable drilling rig. The two sides of a machine frame are respectively provided with a set of caterpillar band assembly, the bottom of a drill rod supporting frame is hinged to the front end of the machine frame, at least one supporting frame amplitude variation oil c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG LIANGZHEN, HUANG LIANGBIN, GENG TING
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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