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Tailor welding forming positioning device used for large-sized thin-wall cylinder type shell section

A thin-walled cylinder and positioning device technology, applied in auxiliary devices, welding equipment, auxiliary welding equipment and other directions, can solve the problems affecting the consistency and safety of aerospace products, poor accuracy consistency, etc., to facilitate installation and disassembly, and improve the pass rate. Effect

Active Publication Date: 2018-06-01
SICHUAN AEROSPACE LONG MARCH EQUIP MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process leads to changes in the diameter and circumference of the shell segment due to the shrinkage of the material, so the accuracy of the shell diameter and roundness is poor, which directly affects the overall consistency and safety of aerospace products.

Method used

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  • Tailor welding forming positioning device used for large-sized thin-wall cylinder type shell section
  • Tailor welding forming positioning device used for large-sized thin-wall cylinder type shell section
  • Tailor welding forming positioning device used for large-sized thin-wall cylinder type shell section

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1: see Figure 1 to Figure 10 , the processing method of the large thin-walled cylindrical shell segment is to splice and position multiple arc-shaped thin-walled plates 1-6, and connect each longitudinal seam 6 by welding. A large thin-walled cylindrical shell segment tailor welding positioning device includes a base 4. Inner support component 1, longitudinal compression component 2 and ring compression component 3;

[0035] The base 4 is a horizontally arranged flange, and the flange includes an upper annular disk 4-1 and a lower annular disk 4-2 arranged coaxially, and the outer diameter of the lower annular disk 4-2 is larger than that of the upper annular disk. Disc 4-1 outer diameter;

[0036] The inner support assembly 1 includes a central axis 1-8, the central axis 1-8 is hollow and has a small upper part and a larger lower bottom. Axle seat 4-5, the top is fixed with bearing seat 1-13, and described bearing seat 1-13 is provided with bearing 1-12 and ...

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Abstract

The invention discloses a tailor welding forming positioning device used for a large-sized thin-wall cylinder type shell section. The tailor welding forming positioning device used for the large-sizedthin-wall cylinder type shell section comprises a base, an inner supporting assembly, a longitudinal pressing assembly and an annular pressing assembly; the base is a flange plate which is horizontally arranged; the flange plate comprises an upper annular disk and a lower annular disk; the external diameter of the lower annular disk is larger than the external diameter of the upper annular disk.According to the device, a fixed diameter cylinder mould base is formed by the inner supporting assembly, main longitudinal supporting for external pressing of shell body products during welding is formed by the longitudinal pressing assembly and main annular supporting for the external pressing of the products during welding is formed by the annular pressing assembly; the annular pressing assembly is fixed on the longitudinal pressing assembly, so that the mounting and dismounting are convenient; the device is capable of improving the conformity and stability of the accuracies, such as diameter, circular degree and the like of the large-sized thin-wall cylinder type shell section products during welding machining and improving the qualified rate of the products greatly.

Description

technical field [0001] The invention relates to a welding positioning device, in particular to a large thin-walled cylindrical shell segment tailor welding forming positioning device. Background technique [0002] Large thin-walled cylindrical shell segments are important structural parts of aerospace products. The common process for processing such large-diameter, thin-walled parts is splicing and welding. The precision parameters such as diameter and roundness of welded large thin-walled cylindrical shell products are directly related to the consistency of aerospace products and the feasibility of final assembly. Products with poor precision may even directly cause safety accidents and cause major economic losses. [0003] The processing method of the large-scale thin-walled cylindrical shell segment is to splicing and positioning a plurality of arc-shaped thin-walled plates, and adopt welding to connect each longitudinal seam. Splice one seam again and weld. This proces...

Claims

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Application Information

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IPC IPC(8): B23K37/053
CPCB23K37/0531
Inventor 郝小全许宝文唐永斌
Owner SICHUAN AEROSPACE LONG MARCH EQUIP MFG CO LTD
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