Long auger bit for foundation construction

The utility model discloses a long spiral drill bit for foundation construction, which comprises a long spiral drill bit body and a spiral ground drilling blade on the long spiral drill bit body, a mounting shaft is arranged above the long spiral drill bit body, and a quick replacement mechanism mat...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XIONG CHANGYIN, YANG RENTAO, WANG SHANGYUN, ZHAN YU, WEN MOYUN, YANG JIAN, SHE ZHENGHUI
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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