A welding torch and method for complex structure cabinet narrow space
By using a simulated welding torch and argon gas flow stabilization device, combined with a specific welding sequence, the problems of poor weld accessibility and unstable weld quality in the confined space of complex structure casings were solved, achieving high-quality welding results.
CN117359061BActive Publication Date: 2026-06-09AECC AVIATION POWER CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- AECC AVIATION POWER CO LTD
- Filing Date
- 2023-10-31
- Publication Date
- 2026-06-09
AI Technical Summary
Technical Problem
Existing welding torches have poor accessibility when welding in the confined space of complex structure casings, which easily leads to defects and unstable weld quality.
Method used
A simulation-driven welding torch was designed, including a welding torch rod and a welding torch head of a specific shape and size, and an argon gas flow stabilizing device was set at the welding torch head. The welding process was optimized by combining the welding sequence of tack welding, root pass welding and cover pass welding.
Benefits of technology
Stable welding in confined spaces was achieved, interference points were avoided, the stability of weld quality and weld accessibility were ensured, and the problem of welding defects was solved.
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Smart Images
Figure CN117359061B_ABST
Abstract
The application discloses a welding gun and method for narrow space of complex structure casing, and belongs to the technical field of casing welding gun.The welding gun structure is designed by using simulation technology according to the specific features of the narrow space of the complex cavity, so that the designed welding gun can avoid the interference position of the casing body, reach the welding position, and avoid the interference position of the column arc, and meet the requirements of the column root welding position; meanwhile, an argon gas flow stabilizing device is arranged at the head of the welding gun to rectify the sprayed argon gas, and the argon gas flow is uniform and stable after rectification, the application has the advantages of ingenious structure design and simple operation, effectively solves the problem of poor accessibility of argon arc welding in the narrow space of the complex structure casing of the gas turbine, and can meet the welding operation conditions and ensure the stable welding quality.
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