Novel rotary lifting type derrick base

The utility model discloses a novel rotary lifting type derrick base which comprises a base body, a supporting plate and a damping assembly, a gooseneck and a hydraulic cylinder are arranged at the top of the base body, the supporting plate is arranged at the top of the hydraulic cylinder, a derrick...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG JIMING, YAN SHIFEI
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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