一种自动对口式石油管道内焊机

By using the multi-arm positioning and visual measurement device of the automatic alignment oil pipeline internal welding machine, the problems of poor accuracy of manual alignment and poor adaptability of rigid support in oil pipeline welding have been solved, achieving efficient and stable welding quality and construction flexibility.

CN122400928APending Publication Date: 2026-07-17DIANWANG INTELLIGENT WELDING TECH (TIANJIN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DIANWANG INTELLIGENT WELDING TECH (TIANJIN) CO LTD
Filing Date
2026-06-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing oil pipeline welding equipment suffers from problems such as poor accuracy of manual alignment, reliance on manual adjustment of welding parameters, and poor adaptability of rigid support structures, resulting in unstable welding quality and low construction efficiency.

Method used

An automatic alignment type oil pipeline internal welding machine is adopted, which uses multiple telescopic arms, vision measurement devices and adjusting wheels to achieve coaxial positioning of the pipeline and automatic gap adjustment. Combined with hydraulic drive and flexible connection, it ensures welding quality and construction flexibility.

Benefits of technology

It achieves high-precision coaxial positioning of pipelines, reduces welding defect rate, improves construction efficiency and welding quality stability, and enhances the adaptability of equipment in complex terrain.

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Abstract

本申请提供一种自动对口式石油管道内焊机,包括,对口机构包括相互平行的两个基盘,对应管道设有用于形成支撑的伸缩臂;行走机构包括活动连接的第一行走部和第二行走部,且第一行走部和第二行走部的底部均设有行走轮;第一行走部一端固定安装在任一基盘上,一端通过弹簧与第二行走部连接;第二行走部上还设有可升降的支撑轮;调节机构位于对口机构远离行走机构的一端,包括可沿管道径向调节的调节轮;焊接机构位于两基盘之间,包括沿周向旋转的焊接头。通过周向均匀布置的多个伸缩臂,配合压力传感器和位移编码器进行闭环控制,能够自适应管壁状态并精确调整管道同轴度,消除人工对口累积误差,确保焊缝力学性能达标,有效降低运营期泄漏风险。
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