Concrete pile hole drilling device

The invention relates to the technical field of drilling construction, in particular to a concrete pile hole drilling device which comprises a support module, and a driving module is mounted on the support module; the drilling unit is connected to the driving module, the drilling unit comprises a co...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU LUHUA, XU ZHAORUI, LIU BO, YANG YINGBO, JIANG JINFENG, CHE JINBO
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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