Precise chromium-zirconium-copper microporous pipe

The utility model provides a precise chromium-zirconium-copper microporous pipe. The drilling jig comprises a pipe body and a drilling jig body arranged on the pipe body. Wherein the tube body is provided with a central micropore; a bushing is arranged in the pipe body and surrounds the central micr...

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Bibliographische Detailangaben
Hauptverfasser: DAI XUJING, DAI XIAOHONG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model provides a precise chromium-zirconium-copper microporous pipe. The drilling jig comprises a pipe body and a drilling jig body arranged on the pipe body. Wherein the tube body is provided with a central micropore; a bushing is arranged in the pipe body and surrounds the central micro hole; a bushing flange is arranged at the part, extending out of the pipe body, of the bushing inthe direction towards the outer side; reinforcing ribs are arranged in the pipe body and surround the lining. Positioning holes are formed in the two sides, symmetrical about the central micro hole, of the end face of the pipe body respectively, positioning rods are arranged on the two sides of the drilling jig and matched with the positioning holes in an inserted mode, a drill hole is formed in the position, corresponding to the central micro hole, of the drilling jig, and bearings are symmetrically arranged on the two sides of the drill hole. The utility model enhances the hardness of the central part, prolongs the