Drill rod detection method, automatic drilling depth measurement method and system and drilling machine

The invention relates to a drill rod detection method, an automatic drilling depth measurement method and system and a drilling machine, and relates to the field of drilling engineering. The measurement method comprises the steps that whether a drill rod exists at an orifice or not is detected; whet...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG CHENG, GUAN RENQIU, CUI GUOQING, CAO PINLU, LIN HAIJUAN, LI GAOSHAN, CHANG JINYUAN, WEN CHENGDA
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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