Aimed at the joint problem of internal coating pipes, the interference fit technique has been successfully developed for D159 mm × 8 mm internal coating seamless pipes.
针对油气田集输管道中特别是内涂层管道的连接补口问题,成功开发了D159mm×8mm内涂层无缝钢管压接技术,既保证接头与钢管等强,又保证了内涂层的连续性,管道连接后不需要内补口和无损探伤,可满足油气田集输管道工作要求。
The stress analys is of interference fit process is important to de-sign interference fit equipm ent.
无缝钢管过盈压接工艺是近年来发展起来的一种管道连接技术,具有管道连接施工效率高、接头防腐性能好等优点。
The method provides a basis of pressure joint matching design and technological test.
油气田集输管道采用压接技术,其压接接头不存在焊接接头的隐患,连接效率高,施工成本低。
The water injection and gas discharge device is added,the flexible pressure testing sub is used and the high and low pressure water conversion valve body is improved.
通过增加管体注水排气装置、采用柔性试压接头、改进注水端高低压水转换阀体等措施,解决了油管试压机存在的损伤油管螺纹、试压接头消耗快、试压过程密封性能差、生产效率低、安全性差等问题。
The finite element model for contact analysis between roller and tyre under oblique contact status was established,the 3D contact finite element modeling program between roller and tyre under mixed coordinate was developed.
建立了能精确反映托轮滚圈斜压接触的有限元模型,开发了一套完整的建立在混合标架下的托轮滚圈的三维接触有限元建模程序。
The character of the oblique contact model between kiln roller and tyre was studied,the build-up procedure of oblique contact model between kiln roller and tyre was developed,which is apt to the finite element analysis of roller and tyre under the condition of any load,load rate,oblique angle.
研究了斜压状态下托轮滚圈多体接触模型的特点,开发了斜压接触下托轮滚圈有限元建模程序,该程序适用于任何载荷、载荷比、偏斜角下托轮滚圈的接触有限元分析。
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