In-line pipe coupling device and method
By using gear transmission and sliding track design in the pipe alignment device, the coaxial and concentric alignment of pipe weld joints is achieved, solving the problems of welding accuracy and quality, and improving construction efficiency and welding quality.
CN119870883BActive Publication Date: 2025-12-23CHINA PETROCHEMICAL CORP +1
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Patent Information
- Application Number
- CN202510141174.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2045-02-08
AI Technical Summary
Technical Problem
Existing technologies cannot guarantee the precision and quality of pipeline weld assembly, resulting in poor welding quality and low construction efficiency.
Method used
A pipe fitting device is adopted, including components such as a rotating shaft, expansion joint, guide wheel and lifting shaft. The coaxiality and concentricity of the expansion joint are achieved through gear transmission and sliding track. The pipe diameter is adjusted by sealing rubber and support ring to ensure the accuracy and concentricity of the weld joint assembly.
Benefits of technology
It improves the accuracy and speed of weld assembly, reduces labor costs, increases construction efficiency, does not damage the inside of the pipe, avoids misalignment, and improves welding quality.
✦ Generated by Eureka AI based on patent content.
Abstract
The application provides a pipeline inner butt joint device and method, and belongs to the technical field of pipeline welding, which comprises a rotating shaft, a first expansion joint and a second expansion joint are arranged on the rotating shaft, the first expansion joint and the second expansion joint are symmetrically arranged on both sides of a welding joint group, and the first expansion joint and the second expansion joint are coaxially arranged with the welding joint group; the first expansion joint comprises a guide rail wheel, a plurality of guide rail blades are fixedly connected to the outer side of the guide rail wheel, the outer side surface of the guide rail blade is arc-shaped, a sliding track is formed in the outer side surface of the guide rail blade, and a lifting shaft is slidably connected in the sliding track. The pipeline inner butt joint device and method improve the precision and speed of the pipeline welding joint group, reduce the labor cost, and improve the construction efficiency.
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