Eccentric drill bit adjusting method for combined down-the-hole hammer

The invention discloses an eccentric drill bit adjusting method for a combined down-the-hole hammer, which is suitable for the combined down-the-hole hammer capable of adjusting the size of an eccentric drill bit, and the eccentric drill bit is connected with a down-the-hole hammer body through a si...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZENG FENG, WANG JUNZHI, WANG XUECHAO, BAI ZHENGXIONG, ZHAN JIANG, WAN WEIFENG, FENG JIANYUE
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!