Mast of drilling machine and rotary drilling machine

The utility model discloses a mast of a drilling machine, which comprises a moveable mast (1), a main mast (2), a cylinder (9), a first connecting rod (6) and a second connecting rod (7), wherein the moveable mast (1) and the main mast (2) are hinged with each other; the cylinder (9) is mounted on t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG WEIMIN, TAN CHUNXIANG, XIAO RENXIONG, CHEN YULEI, YANG YUAN
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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