CN110722320B

CN110722320B - Welding tool for installation support of ignition device of aero-engine

Info

Publication number: CN110722320B
Application number: CN201911113827.2A
Authority: CN
Inventors: 杨雷; 李新春; 朱琛; 陈潇
Original assignee: Shaanxi Aero Electric Co Ltd
Current assignee: Shaanxi Aero Electric Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2021-11-19
Anticipated expiration: 2039-11-14
Also published as: CN110722320A

Abstract

The application provides a welding frock for aeroengine ignition installing support, including first frock and second frock, first frock and second frock are formed with a plurality of notches, every along Y direction butt joint back the notch includes first notch, second notch and third notch, and three notch is along arranging to X with Y direction vertically, the second notch is located the middle, and the width along the Y direction of the first notch at both ends and third notch is less than the width along the Y direction of first notch, wherein, the second notch holds the support on installation and the box body just. Through the welding frock of this application, fix a position the support earlier, make a plurality of supports be located same high coplanar, later weld the both ends of support earlier through the notch, remove after the welding frock, weld the upside of support again. The welding frock of this application makes the ignition installation installing support guarantee at same height, reaches product assembly, structure and environmental test requirement.

Description

Welding tool for installation support of ignition device of aero-engine

Technical Field

The invention belongs to the technical field of design of ignition devices of engines, and particularly relates to a welding tool for an installation support of an ignition device of an aero-engine.

Background

A bracket is required to be installed on a box body of the engine ignition device, and referring to fig. 3, a bracket 6 is required to be welded in a certain height from the bottom surface of the box body in a U-shaped box body 7 through argon arc welding. U-shaped box includes two faces, and 3 supports of welding are faced each, and 6 support mounting faces will be at same height, will guarantee simultaneously at the coplanar, because argon arc welds the deflection big, and the part is difficult to the location, and welding operation is very inconvenient, only relies on the rough assurance of briquetting parallels, is difficult to satisfy the designing requirement to influence assembly, structure and the environmental test requirement of follow-up product.

Disclosure of Invention

In order to solve at least one of above-mentioned technical problem, this application provides a welding frock for aeroengine ignition installing support, including first frock and second frock, first frock and second frock are formed with a plurality of notches, every along Y direction butt joint back the notch includes first notch, second notch and third notch, and three notch is along arranging with Y direction vertically X, the second notch is located the middle, and the width along the Y direction of the first notch at both ends and third notch is less than the width along the Y direction of second notch, wherein, the second notch holds the support on installation and the box body just.

Preferably, at least one of the first tool or the second tool comprises an arc-shaped section, and the arc-shaped section is located on one side edge of the first tool or the second tool, which is far away from the notch, and is used for being butted at the arc-shaped transition position of the bottom plate and the side plate of the box body.

Preferably, a side of the first tool and/or the second tool is provided with a clamping section perpendicular to the main plate surface of the tool, and when the tool is attached to the side plate of the box body, the clamping section is attached to the side edge of the side plate of the box body.

Preferably, the number of the notches is 3.

Preferably, the tool on the upper part of the first tool or the second tool is fixed on the box body through a hand vice.

Through the welding frock of this application, fix a position the support earlier, make a plurality of supports be located same high coplanar, later weld the both ends of support earlier through the notch, remove after the welding frock, weld the upside of support again. The welding frock of this application makes the ignition installation installing support guarantee at same height, reaches product assembly, structure and environmental test requirement.

Drawings

FIG. 1 is a schematic structural diagram of a welding tool for an ignition device mounting bracket of an aircraft engine.

Fig. 2 is a top view of the embodiment of fig. 1 of the present application.

Fig. 3 is a schematic view of the application of the tool of the present application.

The device comprises a first tool 1, a second tool 2, a notch 3, a first notch 31, a second notch 32, a third notch 33, an arc-shaped section 4, a clamping section 5, a bracket 6 and a box body 7.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

Referring to fig. 1 to 3, the welding frock for aeroengine ignition installing support of this application, including first frock 1 and second frock 2, first frock 1 and second frock 2 are formed with a plurality of notches 3 along the Y direction after the butt joint, every the notch includes first notch 31, second notch 32 and third notch 33, and three notch is along arranging to X with Y direction vertically, second notch 32 is located the middle, and the width along the Y direction of the first notch 31 at both ends and third notch 33 is less than the width along the Y direction of second notch 32, wherein, second notch 32 holds support 6 on installation and the box body 7 just.

Referring to fig. 1, the welding tool is composed of two parts, and is divided into two parts along the C-C direction, so that the simplicity of the welding tool in processing and the consistency of the two parts in butt joint when the tool is used are guaranteed, the error of separating the single parts in processing is avoided, when the welding operation is performed, the supports are firstly positioned, the supports are positioned in the same plane at the same height, then the two ends of the supports are firstly welded through the notches, and after the welding tool is removed, the upper sides of the supports are welded.

It can be understood that, the width of the first notch 31 and the third notch 33 of the present application along the vertical direction is narrow, so that a step is formed between the first notch 31 and the second notch 32, and a step is formed between the second notch 32 and the third notch 33, when the bracket 6 is installed in the second notch, because the bottom size of the bracket 6 is matched with the size of the second notch, the steps on both sides of the second notch limit the bracket in the horizontal direction, and the stability of the bracket during welding is ensured.

In some optional embodiments, at least one of the first fixture 1 or the second fixture 2 includes an arc-shaped section 4, and the arc-shaped section 4 is located on a side edge of the first fixture 1 or the second fixture 2 away from the notch 3, and is configured to be abutted to an arc-shaped transition portion of a bottom plate and a side plate of the box body 7.

In some optional embodiments, one side end of the first tool 1 and/or the second tool 2 is provided with a clamping section 5 perpendicular to the main plate surface of the tool, and when the tool is attached to a side plate of the box body 7, the clamping section 5 is attached to the side edge of the side plate of the box body 7.

In some alternative embodiments, the notches 3 comprise 3.

In some alternative embodiments, the upper tool of the first tool 1 or the second tool 2 is fixed on the box 7 by a hand vice.

Taking a DHZ-49A ignition device box body as an example, wherein the length of a welding tool is 229mm, the width of the welding tool is 90mm, the thickness of the welding tool is 7mm, a branch opening is 2mm, three grooves which are similar to the appearance of a bracket and have the same size are arranged in the middle when the box body assembly is assembled and welded, and the DHZ-49A ignition device box body is carried out according to the following steps:

step 1; assembling a second tool 2 of the welding tool on a box body 7 according to the structure shown in figure 3, and enabling an R edge (an arc-shaped section 4) at the lower end of the second tool 7 to be tightly attached to the bottom of the box body, wherein a half notch is formed above the second tool;

step 2: the mounting bracket is arranged in a position corresponding to a second notch 32 of the half notch of the second tool, and the direction is noticed to be correct;

and step 3: installing the first tool 1 above the second tool 2, forming a complete notch, and fixing two sides by using hand vices;

and 4, step 4: symmetrically welding the first notch 31 and the third notch 33 by an argon arc welding gun;

and 5: loosening the hand vice and detaching the tool;

step 6: and welding the upper side edge of the bracket by using an argon arc welding machine.

The tool for the box body assembly of the DHZ-49A ignition device, which is designed according to the welding tool structure design method, is used for welding, and all measured dimensional results are qualified after welding.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The welding tool for the ignition device mounting bracket of the aero-engine is characterized by comprising a first tool (1) and a second tool (2), wherein a plurality of notches (3) are formed in the first tool (1) and the second tool (2) after being butted along the Y direction, each notch comprises a first notch (31), a second notch (32) and a third notch (33), the three notches are arranged along the X direction perpendicular to the Y direction, the second notch (32) is located in the middle, the width of the first notch (31) and the width of the third notch (33) at two ends along the Y direction are smaller than that of the second notch (32), and the second notch (32) just accommodates a bracket (6) mounted on a box body (7);

the second tool (2) comprises an arc-shaped section (4), and the arc-shaped section (4) is located on one side edge, far away from the notch (3), of the second tool (2) and is used for being butted at an arc-shaped transition position of a bottom plate and a side plate of the box body (7);

when the second tool (2) is assembled on the box body (7), the arc-shaped section (4) at the lower end of the second tool (2) is tightly attached to the bottom of the box body, a half notch is formed above the second tool (2), the bracket (6) is arranged in a position corresponding to the second notch (32) of the half notch of the second tool (2), and then the first tool (1) is arranged above the second tool (2) to form a complete notch;

wherein the bracket (6) is arranged in the second notch (32), and the bottom size of the bracket (6) is matched with the size of the second notch (32).

2. The welding tool for the mounting bracket of the ignition device of the aircraft engine according to claim 1, wherein one side end of the first tool (1) and/or the second tool (2) is provided with a clamping section (5) perpendicular to the main plate surface of the tool, and when the tool is arranged on a side plate of the box body (7) in an attaching mode, the clamping section (5) is attached to the side edge of the side plate of the box body (7).

3. Welding fixture for an ignition device mounting bracket of an aircraft engine according to claim 1, characterized in that said notches (3) comprise 3.

4. The welding tooling for an ignition device mounting bracket of an aircraft engine according to claim 1, characterized in that the tooling located at the upper part of the first tooling (1) or the second tooling (2) is fixed on the box body (7) by a hand vice.