Foldable all-around drilling mechanism

The invention relates to a foldable all-around drilling mechanism which comprises a base plate, a turning oil cylinder, a turning frame, a slewing bearing, a guide rail and a power head, wherein the folding of the turning frame is controlled through the telescopic effect of a piston rod of the turni...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AN JIANGUO, LIU YAXIAO, LINGHU JIANSHE, WU GUOSHENG, ZHAI XINTONG, WANG HAITAO, LAN YACHAO, LI WEIWEI
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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