Horizontal adjustment oil cylinder and pressing and pulling oil cylinder series connection ball hinge device of full-slewing drilling machine

The utility model discloses a horizontal adjusting oil cylinder and pressing and pulling oil cylinder series connection ball hinge device of a full slewing drilling machine, which comprises a pressing and pulling oil cylinder and a horizontal adjusting oil cylinder, the upper end of the horizontal a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG KEJIAN, MA ZHONGLIANG, MA MEIYING
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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