A triangular printing device for buttress thread oil casing joint position

CN224689882UActive Publication Date: 2026-08-28TIANJIN STEEL PIPE MFG CO LTD
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Patent Information

Application Number
CN202521760083.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-19
Publication Date
2026-08-28
Estimated Expiration
2035-08-19

AI Technical Summary

Technical Problem

[0005]中国专利CN202934561U公开了一种石油套管螺纹接头三角形标记锤印工具,该专利提供一种长度可调式锤印工具,解决了目前套管接头生产中三角形标记锤印位置不准确并且锤印操作过程繁琐的问题,能通过一次操作准确地在设定的位置上锤印出合格的三角形标记

Benefits of technology

[0023]本实用新型的偏梯形螺纹石油套管拧接位置三角形打印装置,通过公式设计定位球头至挡板的距离、三角形钢印凸起的底边至定位球头的距离,解决传统经验定位误差,三角形打印位置准确,且能够保证三角形钢印凸起的底边恰在螺纹的齿顶部位,标记清晰,有利于后续的拧接观察。

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Abstract

The utility model relates to the field of petroleum casing, relate to a kind of butt joint position triangle printing device of buttress thread petroleum casing, the printing device includes handle, baffle, taper lining, arc locating frame, positioning module, printing module.The taper lining of the printing device of the utility model can be naturally attached with full top thread, positioning module integrated telescopic base, compression spring and replaceable ball head, ball head simultaneously contacts thread tooth bottom and bearing side, realize three-dimensional space positioning, the distance of positioning ball head to baffle, the distance of the base of triangle steel stamp projection to positioning ball head are designed by formula, solve traditional experience positioning error, triangle printing position is accurate, and it can ensure that the base of triangle steel stamp projection is just at the tooth top position of thread, mark is clear, which is beneficial to subsequent butt joint observation.
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Citation Information

Patent Citations

  • Batch marking equipment for triangular marks of oil casing screwed joints

    CN112248661A

  • Petroleum casing pipe thread joint triangle mark hammering tool

    CN202934561U