Geological drill pipe
The utility model discloses a geological drill pipe, the drilling rod body that connects gradually including the first place, the drilling rod body is the hollow tube column structure, the one end ofthe drilling rod body is equipped with the male joint, the other end of the drilling rod body is equi...
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| Hauptverfasser: | , , , , , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model discloses a geological drill pipe, the drilling rod body that connects gradually including the first place, the drilling rod body is the hollow tube column structure, the one end ofthe drilling rod body is equipped with the male joint, the other end of the drilling rod body is equipped with the female joint, be equipped with the limbers in the middle of male joint and the femalejoint, the male joint is connected with the female joint of the adjacent drilling rod body, the female joint is connected with the male joint of the adjacent drilling rod body, the male joint is provided with the sealing washer with the hookup location of the female joint of the adjacent drilling rod body, the female joint is provided with the sealing washer with the hookup location of the male joint of the adjacent drilling rod body. The utility model discloses convenient processing is crept into swiftly, and is efficient, has higher anti fatigue strength and longer life -span to sealing performance is good, guarante |
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