Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A deep U-shaped rotary cross-section semi-closed flame cylinder assembly welding processing method

A semi-closed, processing method technology, applied in deep U-shaped rotary cross-section semi-closed flame tube assembly welding processing, turbojet engine parts processing field, can solve the difficult to guarantee shape and position tolerance and dimensional accuracy, high shape and position tolerance And dimensional accuracy requirements, the difficulty of positioning and clamping parts, etc., to achieve the effect of low processing difficulty, stable product properties, and control of welding deformation

Active Publication Date: 2021-09-07
SICHUAN AEROSPACE ZHONGTIAN POWER EQUIP CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Affected by the space structure, the welding operation space is greatly limited, and it is very difficult to position and clamp parts and take out parts after welding. At the same time, the rigidity of thin-walled parts is poor, and cumulative welding stress will be generated in the case of multiple welding. It leads to welding deformation, and it is difficult to guarantee the shape tolerance and dimensional accuracy; in addition, the outer circle at one end of the flame tube and the inner hole at the other end have high shape tolerance and dimensional accuracy requirements, which are difficult to achieve by conventional welding methods

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A deep U-shaped rotary cross-section semi-closed flame cylinder assembly welding processing method
  • A deep U-shaped rotary cross-section semi-closed flame cylinder assembly welding processing method
  • A deep U-shaped rotary cross-section semi-closed flame cylinder assembly welding processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] The features and performances of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0044] The structure of the deep U-shaped rotary section semi-closed flame tube is as follows: figure 2 and image 3 shown.

[0045] Such as figure 1 As shown, a deep U-shaped rotary section semi-closed flame cylinder assembly welding processing method includes the following steps:

[0046] S1. Use the welding jig 8 of the inner wall component, assemble and weld the middle section 3 of the inner ring of the flame tube, the rear section 5 of the inner ring of the flame tube and the rear mounting edge 6 of the inner ring of the flame tube as the inner wall component 16, and then perform the first heat treatment;

[0047] S2. Use the front wall component welding jig 9 to assemble and weld the front wall 1 of the flame tube and the front section 2 of the inner ring of the flame tube to form the front wall component 15, and the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a deep U-shaped rotary section semi-closed flame tube assembly welding processing method, which belongs to the technical field of aero-engine processing. The method includes firstly using the inner wall component welding jig to assemble and weld the middle section of the flame tube inner ring, the rear section of the flame tube inner ring and the rear mounting edge of the flame tube inner ring as the inner wall component, and then heat treatment for the first time; secondly, use the front wall component welding jig to assemble and weld The front wall of the flame tube and the front part of the inner ring of the flame tube are the front wall assembly, and then the second heat treatment is performed. Use the inner wall-front wall assembly welding fixture to assemble and weld the inner wall assembly and the front wall assembly, and then perform the third heat treatment; assemble the flame again The outer ring of the tube and the outer ring of the flame tube are installed, and then the assembly is welded with the assembly welding jig, and then the fourth heat treatment is performed with the heat treatment jig; finally, the end face is turned with the turning jig. The method has the advantages of small processing difficulty, convenient operation and reliable quality.

Description

technical field [0001] The invention relates to the processing of turbojet engine parts, in particular to a deep U-shaped rotary cross-section semi-closed flame tube assembly and welding processing method, which belongs to the technical field of aero-engine processing. Background technique [0002] The combustor flame tube is the area where the aero-engine organizes combustion, and this area has a very high gas temperature. The cooling technology of the flame tube is directly related to the life and reliability of the combustion chamber, and affects the thermal efficiency of the entire engine. With the improvement of the performance of the turbojet engine, the pressure ratio of the engine and the rise of the combustion chamber gradually increase, which makes the wall of the flame tube bear a greater heat load, which puts forward higher requirements for the structure of the flame tube. [0003] There is a new type of flame cylinder, the structure of which is complex, and it ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 魏林石勇廖东波李朝军肖永印王熠
Owner SICHUAN AEROSPACE ZHONGTIAN POWER EQUIP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com