LIFTING DERRICK WITH BOLT BALL JOINT FRAME STRUCTURE

The utility model relates to a lifting derrick with bolt ball joint frame structure, which replaces the floorstand of the traditional derrick and the key bearer inclined strut of the derrick with the bolt ball joint frame structure. Corresponding to the techniques reached in the technical field of a...

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Bibliographische Detailangaben
Hauptverfasser:	LU HENGLIN ET AL, YUAN YINGSHU, ZHONG XIANHUA
Format:	Patent
Sprache:	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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Beschreibung
Zusammenfassung:	The utility model relates to a lifting derrick with bolt ball joint frame structure, which replaces the floorstand of the traditional derrick and the key bearer inclined strut of the derrick with the bolt ball joint frame structure. Corresponding to the techniques reached in the technical field of architecture, the utility model has the advantages of compact structure, convenient installation, time saving, labor saving, steel saving, and fine intensity and overall stability.