Drill rod variable head

The invention relates to the technical field of connectors, and particularly discloses a drill rod variable head which comprises a barrel, a first sleeve, a second sleeve and two limiting assemblies, the first sleeve and the second sleeve are detachably arranged at the two ends of the interior of th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUANG HEPENG, ZHANG ZONGYONG, WANG FEI, GUO HONGMEI, ZHAO ZHICHAO
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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Beschreibung
Zusammenfassung:	The invention relates to the technical field of connectors, and particularly discloses a drill rod variable head which comprises a barrel, a first sleeve, a second sleeve and two limiting assemblies, the first sleeve and the second sleeve are detachably arranged at the two ends of the interior of the barrel in a sleeving mode, a drill rod is arranged in the first sleeve in a pluggable sleeving mode, and the first sleeve is fixed into one end of the barrel through insertion of the drill rod; the drill bit is sleeved with the second sleeve in a pluggable mode, the second sleeve is fixed into the other end of the barrel through insertion of the drill bit, the drill rod and one end of the barrel are fixed through one limiting assembly, and the drill bit and the other end of the barrel are fixed through the other limiting assembly. The drill rod is connected with the first sleeve, the drill bit is connected with the second sleeve, then the sleeve body is connected and fastened with the drill rod and the drill bit