Drill stem deviation prevention device

The utility model discloses a drill stem deviation prevention device, belonging to the mine operation device. The drill stem deviation prevention device comprises a drill stem and a drill gyrator, wherein, the drill gyrator is connected with a hydraulic chuck, a first fixing ring is arranged at one...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHAO LIHENG, SHI HE, NIU SHIKAI, LIU XIYANG
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 utility model discloses a drill stem deviation prevention device, belonging to the mine operation device. The drill stem deviation prevention device comprises a drill stem and a drill gyrator, wherein, the drill gyrator is connected with a hydraulic chuck, a first fixing ring is arranged at one end of the drill stem, a second fixing ring is arranged at the other end of the drill stem, a fixed support is arranged between the first fixing ring and the drill gyrator, a foldable support is arranged between the second fixing ring and the hydraulic chuck and the foldable support is composed of a first supporting rod and a second supporting rod both of which are hinged. The utility model can control the stability of the drill stem outside the rock and prevent the drill stem in the drill hole from deviation due to the swinging of the drill stem outside the rock.