Aircraft bent guide pipe welding assembly positioning platform

The modularly designed aircraft bending duct welding assembly positioning platform, utilizing a combination of guide rails, slide rails, reed pipes, and rotary vises, solves the problem of inaccurate positioning by existing fixtures, enabling flexible adjustment and efficient welding of the ducts.

CN223617042UActive Publication Date: 2025-12-02DALIAN CHANGFENG IND CORP
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Patent Information

Application Number
CN202423183956.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-02
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing aircraft positioning fixtures cannot meet the positioning accuracy requirements of curved ducts, resulting in poor welding positioning quality and affecting aircraft performance.

Method used

A modular aircraft bending duct welding assembly and positioning platform is designed, which uses a combination of guide rails, slide rails, reed tubes and rotary vises to achieve flexible positioning and precise adjustment of the duct.

Benefits of technology

It improves the welding efficiency and quality of curved conduits, ensures the stability and accuracy of the conduits during the welding process, and is suitable for conduits of different shapes and sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of metal argon arc welding, and discloses a welding assembly positioning platform for an airplane bent guide pipe. The base platform is provided with two sets of vertical guide rails, and the guide rails in each set of guide rails are parallel to each other; the slide rail is arranged on the guide rail; the catheter clamping mechanism and the rotary vice are respectively and movably positioned on the slide rail through the slide block; the catheter clamping mechanism comprises a clamp and a zigzag spring pipe; one end of the zigzag spring pipe is fixed in the center of the sliding block; and the rotary vice is fixed on the sliding block through a rotating device. Through the combination of the guide rail, the sliding rail, the zigzag spring pipe and the rotary vice, the positioning platform can be flexibly adjusted to adapt to guide pipes of various shapes and sizes, and the welding efficiency is improved. The accurate adjusting function of the clamp ensures that the guide pipe keeps stable relative position and coaxiality in the welding process, and the welding quality is improved.
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Description

Technical Field

[0001] This utility model relates to the field of metal argon arc welding technology, and in particular to a positioning platform for welding and assembling aircraft curved ducts. Background Technology

[0002] In aircraft manufacturing, welding curved ducts is a crucial process for connecting piping systems. However, due to the diverse shapes of aircraft ducts, especially the prevalence of complex curved ducts, existing fixtures struggle to ensure precise coaxiality during butt welding of curved ducts, resulting in poor welding positioning quality and indirectly affecting the overall performance of the aircraft. Therefore, this invention relates to a positioning platform that ensures precise coaxiality control of curved ducts during the positioning welding process, which is of great significance for improving the welding efficiency and quality of curved ducts.

[0003] Existing aircraft positioning fixtures cannot meet the positioning accuracy requirements of aircraft curved ducts, and the operation methods are inconvenient, making it impossible to efficiently complete the positioning welding of aircraft curved ducts. The positioning welding problem is solved by redesigning an aircraft curved duct welding positioning platform, thereby improving welding efficiency and quality. Utility Model Content

[0004] This invention relates to a welding assembly positioning platform for aircraft curved ducts, which serves as a welding positioning fixture for curved ducts. Through modular design, this platform can be flexibly combined to adapt to the positioning welding needs of ducts of various shapes, improving the efficiency and quality of positioning welding.

[0005] The technical solution of this utility model is as follows: an aircraft bending duct welding assembly positioning platform, including a base platform 8, a guide rail 4, a slide rail 9, a duct clamping mechanism and a rotating vise 6.

[0006] The base platform 8 is provided with two sets of vertically related guide rails 4, and the guide rails in each set of guide rails 4 are parallel to each other; the slide rail 9 is arranged on the guide rail 4; the conduit clamping mechanism and the rotating vise 6 are respectively moved and positioned on the slide rail 9 by the slider 3;

[0007] The catheter clamping mechanism includes a clamp 1 and a reed tube 2; one end of the reed tube 2 is fixed to the center of the slider 3, and the other end is connected to the clamp 1;

[0008] The rotating vise 6 is fixed to the slider 3 by the rotating device 5.

[0009] The slider 3 is a copper slider, with two parallel guide rails 4 spanning its two ends.

[0010] One set of guide rails 4 is located at one end of another set of guide rails 4; the catheter clamping mechanism and the rotating vise 6 are arranged in sequence.

[0011] The reed tube 2 can bend freely according to the shape of the conduit to ensure the stability of the clamping.

[0012] The clip 1 comes in several different models.

[0013] The rotating device performs fine adjustments during the welding process of the rotating vise 6.

[0014] A method for using an aircraft bending duct welding assembly positioning platform includes the following steps:

[0015] Step 1: Platform assembly and adjustment;

[0016] Fix the base platform 8 on a stable welding workbench to ensure that the platform is stable and does not wobble;

[0017] Install the four guide rails 4 on the top of the base platform 8 respectively, ensuring that the parallelism and spacing between the guide rails 4 meet the requirements;

[0018] Install two slide rails 9 on each guide rail 4 to ensure that the slide rails 9 can slide smoothly on the guide rail 4;

[0019] The catheter clamping mechanism and the rotating vise 6 are fixed above the slide rail 9 by the slider 3, and their positions and angles are adjusted as needed;

[0020] Step 2: Catheter clamping and welding;

[0021] Place the conduit to be welded above the reed tube 2 of the conduit clamping mechanism and clamp the conduit securely with the clamp 1.

[0022] The angle of the conduit is adjusted by rotating the vise 6 using the rotating device 5 to ensure that the conduit is in the optimal welding position.

[0023] Use welding equipment to perform tack welding on the conduit to ensure the stability and accuracy of the conduit during the welding process; after welding is completed, release clamp 1 and remove the welded conduit from the platform.

[0024] The beneficial effects of this utility model are:

[0025] 1) Highly flexible: Through the combination of guide rails, slide rails, reed pipes and rotary vises, the positioning platform can be flexibly adjusted to adapt to conduits of various shapes and sizes, thereby improving welding efficiency.

[0026] 2) Precise control: The precise adjustment function of the fixture ensures that the conduit maintains a stable relative position and axiality during the welding process, thereby improving the welding quality.

[0027] 3) Wide applicability: The fixture is designed with standardized interfaces, making it easy to integrate with other welding equipment and suitable for welding machines of different brands and models. Attached Figure Description

[0028] Figure 1This is a schematic diagram of a positioning platform for welding and assembling aircraft curved ducts.

[0029] In the diagram: 1-clamp; 2-reed tube; 3-slider; 4-guide rail; 5-rotating device; 6-rotating vise; 7-bolt; 8-base; 9-slide rail. Detailed Implementation

[0030] Depend on Figure 1 As shown, the aircraft bending duct welding assembly positioning platform proposed in this utility model mainly consists of the following parts:

[0031] Base platform 8: As the foundation of the entire positioning platform, it provides stable support.

[0032] Guide rails 4 and slide rails 9: Located above the platform of base 8, there are a total of four guide rails 4, and each guide rail 4 is equipped with two slide rails 9, which are used to realize the translation and positioning of the catheter clamping mechanism 7,2,1 and the rotating vise 6.

[0033] The conduit clamping mechanism is mounted above the slide rail 9 via a copper slider 3. A reed tube 2 is centrally secured to the reed tube by a bolt 7. Clamps 1 are installed on the reed tube 2 to securely clamp the conduit. This platform includes two conduit clamping mechanisms to accommodate the simultaneous welding of two conduits.

[0034] Rotary vise 6: Also mounted above the slide rail 9 via a copper slider 3. A rotating device 5 is located above the copper slider 3 to secure the vise 6. The platform contains two sets of rotary vises 6, allowing adjustment of the guide tube angle during welding.

[0035] The usage steps are as follows:

[0036] Step 1: Platform assembly and adjustment;

[0037] Secure the base platform to a stable welding workbench to ensure the platform is stable and does not wobble.

[0038] Install the four guide rails 4 on the top of the base platform, and ensure that the parallelism and spacing between the guide rails 4 meet the requirements.

[0039] Install two slide rails 9 on each guide rail to ensure that the slide rails can slide smoothly on the guide rail 4.

[0040] The catheter clamping mechanism and the rotating vise 6 are fixed above the slide rail 9 by copper sliders 3, and their positions and angles are adjusted as needed.

[0041] Step 2: Conduit clamping and welding

[0042] Place the catheter to be welded above the reed tube 2 of the catheter clamping mechanism and clamp the catheter securely with the clamp 1.

[0043] If the angle of the conduit needs to be adjusted, it can be adjusted using the rotating device 5 of the rotating vise 6 to ensure that the conduit is in the optimal welding position.

[0044] Use welding equipment to perform tack welding on the conduit to ensure its stability and accuracy during the welding process. After welding is complete, release clamp 1 and remove the welded conduit from the platform.

[0045] Further, a specific embodiment is provided: an aircraft bending duct welding assembly positioning platform includes: a base platform 8, guide rails 4, and slide rails 9; above the base platform 8, there are four guide rails 4, each guide rail is equipped with two slide rails 9, and the guide rails are connected to the base platform by bolts; two sets of duct clamping mechanisms are assembled above the slide rails 9 by copper sliders 3, and reed tubes 2 are fixed to the copper sliders 3 by bolts 7. A clamp 1 is installed above the reed tubes 2 for clamping ducts of different shapes; two sets of rotating vises 6 are also assembled above the slide rails 9 by copper sliders 3, and each set of rotating vises 6 is equipped with a rotating device 5 for adjusting the clamping angle and fixing the vises to adapt to welding requirements at different angles.

[0046] The reed tube 2 has high flexibility and elasticity, and can be bent freely according to the shape of the conduit to ensure the stability of the clamping.

[0047] The clamp 1 is designed in various models to accommodate catheters of different diameters and shapes.

[0048] The rotating device allows the rotating vise to be finely adjusted during the welding process to ensure precise alignment between the guide tubes.

[0049] All components are modularly designed for easy assembly and disassembly to accommodate welding requirements for conduits of different shapes and sizes.

Claims

1. A positioning platform for welding and assembling aircraft curved ducts, characterized in that, The aircraft curved duct welding assembly positioning platform includes a base platform (8), guide rails (4), slide rails (9), duct clamping mechanism and rotating vise (6); The base platform (8) is provided with two sets of vertically related guide rails (4), and the guide rails in each set of guide rails (4) are parallel to each other; the slide rail (9) is arranged on the guide rail (4); the conduit clamping mechanism and the rotating vise (6) are respectively moved and positioned on the slide rail (9) by the slider (3); The catheter clamping mechanism includes a clamp (1) and a reed tube (2); one end of the reed tube (2) is fixed to the center of the slider (3), and the other end is connected to the clamp (1); The rotating vise (6) is fixed to the slider (3) by a rotating device (5).

2. The aircraft bending duct welding assembly positioning platform according to claim 1, characterized in that, The slider (3) is made of copper and has two parallel guide rails (4) spanning its two ends.

3. The aircraft bending duct welding assembly positioning platform according to claim 1 or 2, characterized in that, One set of guide rails (4) is located at one end of another set of guide rails (4); the catheter clamping mechanism and the rotating vise (6) are arranged in sequence.

4. The aircraft bending duct welding assembly positioning platform according to claim 3, characterized in that, The reed tube (2) can bend freely according to the shape of the conduit to ensure the stability of the clamping.

5. The aircraft bending duct welding assembly positioning platform according to claim 3, characterized in that, The clip (1) comes in a variety of different models.

6. The aircraft bending duct welding assembly positioning platform according to claim 3, characterized in that, The rotating device performs fine adjustments during the welding process of the rotating vise (6).