CN110814477A - Welding device of aircraft engine ion flame detector - Google Patents
Welding device of aircraft engine ion flame detector Download PDFInfo
- Publication number
- CN110814477A CN110814477A CN201911121041.5A CN201911121041A CN110814477A CN 110814477 A CN110814477 A CN 110814477A CN 201911121041 A CN201911121041 A CN 201911121041A CN 110814477 A CN110814477 A CN 110814477A
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- shell
- welding device
- welding
- clamp
- fin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
Abstract
The welding device is used for welding a lining outside an insulator assembly into a stainless steel shell, the shell comprises a cylinder body and a fin, the inner wall of the cylinder body is provided with a step, the lining outside the insulator assembly comprises a clamping part butted with the step of the cylinder body, and the welding device is characterized in that the upper end of a clamp of the welding device is fixed on the fin of the shell, the bottom end of the clamp of the welding device is connected with the insulator assembly through a spring and used for pushing the insulator assembly from the bottom end of the shell to one end of the shell, which is provided with the fin, and enabling the clamping part of the lining to be butted with the step of the cylinder body; and terminating the shell and the bushing at one end of the shell with the fins through argon arc welding. This application has effectively promoted welding quality, has promoted welding process efficiency.
Description
Technical Field
The invention belongs to the technical field of assembly of ion flame detectors, and particularly relates to a welding device for an ion flame detector of an aircraft engine.
Background
The ion flame detector is used as one of accessories of an aircraft engine ignition system, and has high requirements on welding joints and assembly size during product processing.
At present, a shell material of an ion flame detector is usually a stainless steel material, a lining is made of sealing alloy, as shown in fig. 1 and fig. 2, during assembly, a lining 2 and a central insulator form an integrated structure, namely an insulator component, then the insulator component is arranged in a stainless steel shell 1 to form a component, then argon tungsten-arc welding is carried out, referring to fig. 2, the plane where the highest position (B position) of the lining is located is required to be not lower than the plane where the highest position (A position) of the shell is located, during assembly, manual assembly is carried out, the joint size of an assembly surface cannot be guaranteed, and the welding penetration and the subsequent use quality of a welding line are affected; before welding, continuous welding can be carried out only after spot welding, and position deviation is easy to occur during spot welding; and the welding seam is automatic welding, the three-grab chuck cannot locate the center during welding, the roundness is unqualified, the welding seam is deviated, and the welding quality is influenced.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present application provides a welding device for an aircraft engine ion flame detector, configured to weld a bushing outside an insulator assembly into a stainless steel shell, where the shell includes a cylinder and a fin, the inner wall of the cylinder has a step, and the bushing outside the insulator assembly includes a clamping portion in butt joint with the step of the cylinder, where an upper end of a clamp of the welding device is fixed to the fin of the shell, and a bottom end of the clamp of the welding device is connected to the insulator assembly through a spring, and is configured to push the insulator assembly from a bottom end of the shell to an end of the shell having the fin, and make the clamping portion of the bushing in butt joint with the step of the cylinder;
and terminating the shell and the bushing at one end of the shell with the fins through argon arc welding.
Preferably, the outer ring plate structure of the fins of the shell is connected with the clamp of the welding device through screws which are uniformly distributed in an annular mode.
Preferably, the bottom end of the clamp of the welding device is provided with a bulge, and the bulge extends into the shell and is connected with the insulator assembly in the shell through a spring.
Preferably, the protrusion has a blind hole in the middle, and the spring is mounted in the blind hole.
Preferably, the bushing outside the insulator assembly has a portion that extends into the blind bore and abuts against the inner wall of the blind bore.
Preferably, when the upper end of the clamp of the welding device is fixed on the fin of the shell, the blind hole at the lower end of the clamp of the welding device is concentric with the cylinder of the shell.
The key points of the application are as follows:
1. through increase elastic material in welding set bottom, compress tightly the subassembly through the spring, guarantee the assembly clearance between subassembly and the casing.
2. The welding seam of the ion flame detector is end welding of stainless steel and sealing alloy, the inner hole of the shell is positioned through the positioning bush, the product and the three-grab chuck are concentric, the tungsten electrode is always positioned at the welding seam position during welding, and the welding quality and the fusion depth are effectively guaranteed.
3. Through the positioning of the welding device, the screws are screwed down, and the consistency of the product assembly before welding and the requirement that the size after welding meets the data are ensured.
4. Through the assurance of welding set, when the product welds only need the clamping good product can, avoided manual assembly, point solid, measurement size, size nonconforming repair and reassembly etc..
This application supports the insulator subassembly in the casing through the spring, and the relative position of the bush welding terminal surface of having guaranteed the insulator subassembly is fixed with casing welding terminal surface, guarantees through blind hole locating bush that bush and casing are concentric, and the tungsten utmost point is in the welding seam position all the time during automatic tungsten utmost point argon arc welds, effectively promotes welding quality, promotes welding process efficiency.
Drawings
FIG. 1 is a schematic view of an ion flame detector assembly.
Fig. 2 is an enlarged schematic view of the structure at C of fig. 1.
FIG. 3 is a schematic spring mounting diagram of a welding device of the aero-engine ion flame detector.
Fig. 4 is a schematic view of the structure of the fins of the shell of the present application.
FIG. 5 is a schematic view of the welding device for the ion flame detector of the aircraft engine, the shell and the bushing.
Wherein, 1-shell, 11-cylinder, 12-fin, 2-bush, 3-spring, 4-bulge.
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. 3-5, the welding device of the aircraft engine ion flame detector of the present application is used for welding a bushing outside an insulator assembly into a stainless steel shell, the shell 1 comprises a cylinder 11 and a fin 12, the inner wall of the cylinder 11 has a step, and the bushing 2 outside the insulator assembly comprises a clamping part butted with the step of the cylinder, and is characterized in that the upper end of a clamp of the welding device is fixed on the fin 12 of the shell, the bottom end of the clamp of the welding device is connected with the insulator assembly through a spring 3, and is used for pushing the insulator assembly from the bottom end of the shell 1 to the end of the shell 1 with the fin, and the clamping part of the bushing 2 is butted with the step of the cylinder 11;
and terminating the shell and the bushing at one end of the shell 1 with the fins through argon arc welding.
In some alternative embodiments, the fins 12 of the housing 1 are connected to the clamp of the welding device by annularly and uniformly distributed screws in an outer ring plate structure.
In some alternative embodiments, the bottom end of the clamp of the welding device is provided with a protrusion 4, and the protrusion 4 extends into the shell 1 and is connected with the insulator assembly in the shell 1 through a spring 3.
In some alternative embodiments, the projection has a blind hole in the middle, and the spring 3 is mounted in the blind hole.
In some alternative embodiments, the bushing outside the insulator assembly has a portion that extends into the blind hole and abuts against the inner wall of the blind hole.
In some alternative embodiments, the blind hole of the lower end of the clamp of the welding device is concentric with the cylinder 11 of the housing, when the upper end of the clamp of the welding device is fixed on the fin 12 of the housing.
The utility model provides a welding set's anchor clamps are including upper and lower two parts, the fin connection of screw and casing is passed through to the upper end, it is provided with the screw hole (refer to fig. 3) to correspond on the fin, the lower extreme stretches into the barrel lower extreme of casing through protruding 4, thereby with the bush jack-up in the barrel, through spring 3 with the bush top to with the barrel inner wall step department of casing, and give the bush ascending pretightning force, the relative stability of bush and casing when having guaranteed to weld argon arc, blind hole on the protruding 4 can restrict the lateral motion of spring on the one hand, on the other hand sets up its central authorities at the casing, can guarantee by this blind hole joint support's bush and casing concentric, tungsten utmost point is in the welding seam position all the time when automatic tungsten utmost point argon arc welds, effectively promote welding quality, promote.
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 (6)
1. A welding device of an aircraft engine ion flame detector is used for welding a bush outside an insulator assembly into a stainless steel shell, a shell (1) comprises a cylinder (11) and a fin (12), the inner wall of the cylinder (11) is provided with a step, and a bush (2) outside the insulator assembly comprises a clamping part butted with the step of the cylinder, and the welding device is characterized in that the upper end of a clamp of the welding device is fixed on the fin (12) of the shell, the bottom end of the clamp of the welding device is connected with the insulator assembly through a spring (3) and used for pushing the insulator assembly from the bottom end of the shell (1) to the end, provided with the fin, of the shell (1) and enabling the clamping part of the bush (2) to be butted with the step of the cylinder (11);
and one end of the shell (1) with the fins is used for terminating the shell and the bushing through argon arc welding.
2. The welding device of the ion flame detector of the aircraft engine according to claim 1, characterized in that the outer ring plate structure of the fin (12) of the shell (1) is connected with the clamp of the welding device through screws which are uniformly distributed in a ring shape.
3. The welding device for the ion flame detector of the aircraft engine according to claim 1, characterized in that the bottom end of the clamp of the welding device is provided with a projection (4), the projection (4) extends into the shell (1) and is connected with an insulator component in the shell (1) through a spring (3).
4. The welding device of an aircraft engine ion flame detector as defined in claim 3, characterized in that the projection has a blind hole in the middle, and the spring (3) is mounted in the blind hole.
5. The welding apparatus for an aircraft engine ion flame detector as defined in claim 4, wherein the bushing outside the insulator assembly has a portion extending into the blind hole and abutting against an inner wall of the blind hole.
6. The welding device for an aircraft engine ion flame detector as defined in claim 4, characterized in that the blind hole of the lower end of the clamp of the welding device is concentric with the cylinder (11) of the housing when the upper end of the clamp of the welding device is fixed on the fin (12) of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121041.5A CN110814477A (en) | 2019-11-15 | 2019-11-15 | Welding device of aircraft engine ion flame detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121041.5A CN110814477A (en) | 2019-11-15 | 2019-11-15 | Welding device of aircraft engine ion flame detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110814477A true CN110814477A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911121041.5A Pending CN110814477A (en) | 2019-11-15 | 2019-11-15 | Welding device of aircraft engine ion flame detector |
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| CN (1) | CN110814477A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85105922A (en) * | 1985-08-05 | 1987-02-25 | 麦克德莫特国际公司 | The weld-supporting mechanism of welding apparatus in pipe |
| CN201361769Y (en) * | 2009-03-14 | 2009-12-16 | 太原市阳光园不锈钢制品有限公司 | Tungsten electrode simple and quick centering device of welding gun of automatic welder |
| CN202292009U (en) * | 2011-10-19 | 2012-07-04 | 浙江吉润汽车有限公司 | Welding positioning tool |
| CN203414176U (en) * | 2013-06-05 | 2014-01-29 | 南京拓奇科技有限责任公司 | An ion flame detector of a combustor |
| CN103753075A (en) * | 2013-11-26 | 2014-04-30 | 四川蓝讯宝迩电子科技有限公司 | Welding device for positioning welding nut |
| CN204075594U (en) * | 2014-09-18 | 2015-01-07 | 佛山市诺尔贝机器人技术有限公司 | A kind of elastic positioning device being applicable to industrial robot processing |
| CN105033416A (en) * | 2015-09-11 | 2015-11-11 | 上海电气核电设备有限公司 | Nuclear power equipment CRDM penetration member and tube socket flange automatic TIG horizontal position welding apparatus |
| CN105855771A (en) * | 2016-04-29 | 2016-08-17 | 浙江龙生汽车部件股份有限公司 | Welding locating device for perforated part and boss |
| CN107819387A (en) * | 2017-11-15 | 2018-03-20 | 卧龙电气集团股份有限公司 | What a kind of motor stator core rushed lamination manages welding tooling |
| CN207610860U (en) * | 2017-11-08 | 2018-07-13 | 陕西航空电气有限责任公司 | A kind of aero-engine ionization flame detector |
| CN108422074A (en) * | 2018-05-11 | 2018-08-21 | 天津航天机电设备研究所 | A kind of spiral weld electro-beam welding clamper and heat dissipation tool |
| CN209067902U (en) * | 2018-09-29 | 2019-07-05 | 山西江淮重工有限责任公司 | A kind of welding of valve chamber inner seat is from hold-down mechanism |
-
2019
- 2019-11-15 CN CN201911121041.5A patent/CN110814477A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85105922A (en) * | 1985-08-05 | 1987-02-25 | 麦克德莫特国际公司 | The weld-supporting mechanism of welding apparatus in pipe |
| CN201361769Y (en) * | 2009-03-14 | 2009-12-16 | 太原市阳光园不锈钢制品有限公司 | Tungsten electrode simple and quick centering device of welding gun of automatic welder |
| CN202292009U (en) * | 2011-10-19 | 2012-07-04 | 浙江吉润汽车有限公司 | Welding positioning tool |
| CN203414176U (en) * | 2013-06-05 | 2014-01-29 | 南京拓奇科技有限责任公司 | An ion flame detector of a combustor |
| CN103753075A (en) * | 2013-11-26 | 2014-04-30 | 四川蓝讯宝迩电子科技有限公司 | Welding device for positioning welding nut |
| CN204075594U (en) * | 2014-09-18 | 2015-01-07 | 佛山市诺尔贝机器人技术有限公司 | A kind of elastic positioning device being applicable to industrial robot processing |
| CN105033416A (en) * | 2015-09-11 | 2015-11-11 | 上海电气核电设备有限公司 | Nuclear power equipment CRDM penetration member and tube socket flange automatic TIG horizontal position welding apparatus |
| CN105855771A (en) * | 2016-04-29 | 2016-08-17 | 浙江龙生汽车部件股份有限公司 | Welding locating device for perforated part and boss |
| CN207610860U (en) * | 2017-11-08 | 2018-07-13 | 陕西航空电气有限责任公司 | A kind of aero-engine ionization flame detector |
| CN107819387A (en) * | 2017-11-15 | 2018-03-20 | 卧龙电气集团股份有限公司 | What a kind of motor stator core rushed lamination manages welding tooling |
| CN108422074A (en) * | 2018-05-11 | 2018-08-21 | 天津航天机电设备研究所 | A kind of spiral weld electro-beam welding clamper and heat dissipation tool |
| CN209067902U (en) * | 2018-09-29 | 2019-07-05 | 山西江淮重工有限责任公司 | A kind of welding of valve chamber inner seat is from hold-down mechanism |
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Application publication date: 20200221 |
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| RJ01 | Rejection of invention patent application after publication |