CN105290704B - It is a kind of to reinforce the method that house steward changes spray boom and ear mount - Google Patents
It is a kind of to reinforce the method that house steward changes spray boom and ear mount Download PDFInfo
- Publication number
- CN105290704B CN105290704B CN201510767456.5A CN201510767456A CN105290704B CN 105290704 B CN105290704 B CN 105290704B CN 201510767456 A CN201510767456 A CN 201510767456A CN 105290704 B CN105290704 B CN 105290704B
- Authority
- CN
- China
- Prior art keywords
- welded
- house steward
- welding
- reinforcing
- spray boom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
-
- 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
Abstract
The present invention is a kind of to reinforce the method that house steward changes spray boom and ear mount, and step is as follows：Faulty spray boom or ear mount, and the chip cleared up on pipeline are cut along the weld seam on reinforcing main pipe；Block the two ends for welding mouth earnestly；The excess solder of otch end face is disposed, and the sharp side of otch end face is beaten blunt, the closure at the two ends of otch is released；Remove the inner chamber of the reinforcing main pipe at otch two ends；Part to be welded is cleaned with gasoline, and dries up part to be welded；It is processed by shot blasting at otch end face place to be welded, and place to be welded is cleaned；Part to be welded is inserted in otch, inner cavity of pipe, which leads to argon gas, to be protected, and in place's tack welding 2~3 point to be welded, is then circumferentially welded at place to be welded；After welding is finished, welding position is checked；Weld vacuum is heat-treated, and eliminates welding stress；Carry out flow sealing detection.The upper faulty spray boom of reinforcing house steward and ear mount are changed, the purpose of reduction engine overhaul cost has been reached.
Description
Technical field：
The present invention relates to technical field of engine overhaul, and in particular to a kind of reinforcing house steward changes the side of spray boom and ear mount
Method.
Background technology：
Engine after a period of operation, is often accompanied by reinforcing house steward's flow, is distributed exceeded phenomenon, as shown in Figure 1, Figure 2
It is shown, spray boom 2 and ear mount 3 are included on reinforcing house steward 1, and Fuel Injector Bar 5 is circumscribed with, between spray boom 2 and ear mount 3 and reinforcing house steward 1
Crackle on weld seam 4, the excessive wear of the deforming of spray boom, disconnected bar, or ear mount, weld seam etc. is produced during welding can all cause reinforcing total
Pipe produces failure, and reinforces house steward as the important component of oil supply system, and its repairing quality will directly affect engine
Performance level, the lighter causes host performance to decline, and severe one burns parts, and have a strong impact on engine uses safety.Therefore, improve
And engine Afterburner fuel manifold service technique is improved, strong technical support is provided for the safe handling of aero-engine, is had
It is of great significance.
The content of the invention：
The method that house steward changes spray boom and ear mount is reinforced it is an object of the invention to provide a kind of, reinforcing house steward is upper faulty
Spray boom and ear mount changed, reduce engine overhaul cost.
To achieve the above object, the present invention uses following technical scheme：
The method that a kind of reinforcing house steward that the present invention is provided changes spray boom and ear mount, is comprised the following steps that：
Step one：Faulty spray boom or ear mount are cut along the weld seam on reinforcing main pipe, and it is total to clean out reinforcing
The chip left is cut in weldering on pipeline；
Step 2：Block the two ends that mouth earnestly is welded on reinforcing main pipe；
Step 3：The excess solder of otch end face is disposed, and the sharp side of otch end face is beaten blunt, it is then that incision is clear
Reason is clean, releases the closure at the two ends of otch；
Step 4：Remove the inner chamber of the reinforcing main pipe at otch two ends；
Step 5：Part to be welded is cleaned with gasoline, and dries up part to be welded；
Step 6：It is processed by shot blasting at otch end face place to be welded, and place to be welded is cleaned；
Step 7：Part to be welded is inserted in otch, inner cavity of pipe, which leads to argon gas, to be protected, in place's tack welding 2~3 to be welded
Point, is then circumferentially welded at place to be welded；
Step 8：After welding is finished, welding position is checked；
Step 9：Weld vacuum is heat-treated, and eliminates welding stress；
Step 10：Carry out flow sealing detection.
The two ends that mouth earnestly is welded on reinforcing main pipe are blocked in the step 2 with rayon balls.
The metal fillings and foul of total tube cavity are cleaned in the step 4 with the method for back suction, is examined and is rinsed to nothing with silk
Foul.
Place to be welded is polished with group file in the step 6 to metallic luster is presented, and reinforcing house steward's pipe thickness is not less than
0.95mm, place to be welded is cleaned with absorbent cotton and alcohol.
Allow in the step 7 after tack welding correction, weld seam be not allow for because welding arc is removed suddenly and caused by pit,
Weld seam uniformly and smoothly should be transferred on pipeline, and weld answers the defects such as flawless, burn, overlap, arc crater and undercut.
Welding position is checked using X-ray in the step 8.
Reinforcing house steward is all put into vacuum heat treatment furnace in the step 9, reinforcing house steward is kept flat into stove
On workbench, fire door is shut, is vacuumized, vacuum reaches negative pressure, part is aoxidized during preventing heating, is then heated up,
Temperature rises to 500~600 DEG C, and a period of time is placed in heat-treatment furnace insulation, becomes to eliminate the welding stress of weldment and correct
Shape.
The fuel manifold of house steward's call through test device will be reinforced in the step 10, kerosene pressure is smoothly raised to
8.826MPa, keeps 5min, to the upper all welding inspections of reinforcing house steward, is not allow for crackle, examines the close of reinforcing house steward's weld seam
Feng Xing, does not allow seepage.
The same reinforcing repair welding of house steward's same position and repair welding no more than 2 times, when first time changing spray boom or ear mount
Change position to be marked, when once or for the second time changing spray boom or ear mount to the position repair welding, carried out again at repair welding
Mark, does not allow to carry out repair welding to this position again after second of renewal part.
The present invention is a kind of to reinforce the beneficial effect that house steward changes the method for spray boom and ear mount：
Because existing carbon removing method can not be removed totally, cause indivedual Fuel Injector Bar fuel flows, distribution unqualified, due to
Afterburner fuel manifold is the weld assembly that can not be split, and the conventional method such as aperture size on adjustment Fuel Injector Bar is only relied on when repairing
The repairing requirement of Afterburner fuel manifold can not be fully met, so that whole house steward's scraps.Therefore for indivedual exceeded sprays
Bar, such as occurring the failures such as spray boom is deformed, disconnected bar causes house steward's flow, distribution, injection direction unqualified can be using replacing spray
The method of bar repairs house steward：Flow, distribution are removed beyond the spray boom of standard, new spray boom is welded again, it is ensured that house steward's flow,
It is distributed pass the test.Pass through the processing of testpieces, adjustment, experiment, endurance test examination and verify, it was demonstrated that replacing spray boom and ear
The repair method of seat, which disclosure satisfy that, recovers the requirement that Afterburner fuel manifold uses function, has reached reduction engine overhaul cost
Purpose；The repair method disclosure satisfy that engine use requirement, can be applied to other combustions similar to engine structure, lubricating oil system
The repairing of system part, is applied to engine overhaul at present, and technical prospect is considerable.
Brief description of the drawings：
Fig. 1 is the structural representation for reinforcing house steward of the invention；
Fig. 2 is the schematic cross-section for reinforcing house steward of the invention；
1- reinforces house steward, 2- spray booms, 3- ear mounts, 4- weld seams, 5- Fuel Injector Bars.
Embodiment：
With reference to embodiment, the present invention is described in further detail.
The present invention is a kind of to reinforce the method that house steward changes spray boom and ear mount, comprises the following steps that：
Step one：Faulty spray boom or ear mount are cut along the weld seam on reinforcing main pipe, and it is total to clean out reinforcing
The chip left is cut in weldering on pipeline；
Step 2：The two ends that mouth earnestly is welded on reinforcing main pipe are blocked with rayon balls, total tube cavity is protected, prevents
Only foreign matter enters；
Step 3：The excess solder of otch end face is disposed, and the sharp side of otch end face is beaten blunt, does not allow the machine of damaging
Body, then cleans out incision, takes out rayon balls, releases the closure at the two ends of otch；
Step 4：The inner chamber metal fillings and foul of the reinforcing main pipe at otch two ends are removed with the method for back suction, thin,tough silk is used
Cloth, which is examined, to be rinsed to without foul；
Step 5：Part to be welded is cleaned with gasoline, and part to be welded is dried up with compressed air；
Step 6：With a group file polished cut end face place to be welded, metallic luster, and reinforcing is presented in scale removal to place to be welded
House steward's pipe thickness is not less than 0.95mm, and place to be welded is cleaned with absorbent cotton and alcohol, reduces weld defect；
Step 7：Part to be welded is inserted in otch, inner cavity of pipe, which leads to argon gas, to be protected, in place's tack welding 2~3 to be welded
Allow after point, tack welding correction, weld seam be not allow for because welding arc is removed suddenly and caused by pit, then at place to be welded circumferentially
Welded, weld seam uniformly and smoothly should be transferred on pipeline, weld answers flawless, burn, overlap, arc crater and undercut etc. to lack
Fall into；
Step 8：After welding is finished, welding position is checked with X-ray；
Step 9：Weld vacuum be heat-treated, fuel manifold is all put into vacuum heat treatment furnace, house steward keep flat into
On the workbench of stove, fire door is shut, is vacuumized, vacuum reaches negative pressure, part is aoxidized during preventing heating, is then carried out
Heating, temperature rises to 500~600 DEG C, and a period of time is placed in heat-treatment furnace insulation, to eliminate welding stress, meanwhile, weldment
If any deformation, it can be corrected；
Step 10：The fuel manifold of house steward's call through test device will be reinforced, kerosene pressure is smoothly raised to 8.826MPa, protected
5min is held, does not allow seepage, the sealing of house steward's weld seam is examined, wherein kerosene cleannes are not less than 7 grades (by GJB-420A standards
Perform)；
When changing section repair welding, same house steward's same position repair welding, no more than 2 times, spray boom or ear is changed in first time with repair welding
Position mark " I " is being changed during seat, when once or for the second time changing spray boom or ear mount to the position repair welding, is being marked at repair welding
Remember " II ", do not allow after second of renewal part again to this position repair welding.
Welding is as unbroken as possible to be carried out, and forbids to allow conduit in welding by any mechanism for causing stress.
During the entire process of welding, inner cavity of pipe leads to straight argon gas shielded.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that：Still may be used
Modified or equivalent substitution, and repaiied without departing from any of spirit and scope of the invention with the embodiment to the present invention
Change or equivalent substitution, it all should cover among present claims scope.
Claims (7)
1. a kind of reinforce the method that house steward changes spray boom and ear mount, it is characterised in that：Comprise the following steps that：
Step one：Faulty spray boom or ear mount are cut along the weld seam on reinforcing main pipe, and cleans out reinforcing house steward's pipe
The chip left is cut in weldering on road；
Step 2：Block the two ends that mouth earnestly is welded on reinforcing main pipe；
Step 3：The excess solder of otch end face is disposed, and the sharp side of otch end face is beaten blunt, incision is then cleared up dry
Only, the closure at the two ends of otch is released；
Step 4：Remove the inner chamber of the reinforcing main pipe at otch two ends；
Step 5：Part to be welded is cleaned with gasoline, and dries up part to be welded；
Step 6：It is processed by shot blasting at otch end face place to be welded, and place to be welded is cleaned；
Step 7：Part to be welded is inserted in otch, inner cavity of pipe, which leads to argon gas, to be protected, in place's tack welding 2~3 point to be welded, so
Circumferentially welded at place to be welded afterwards；
Step 8：After welding is finished, welding position is checked；
Step 9：Weld vacuum is heat-treated, and eliminates welding stress；
And in the step 9, reinforcing house steward is all put into vacuum heat treatment furnace, reinforcing house steward keeps flat the work into stove
Make on platform, shut fire door, vacuumize, vacuum reaches negative pressure, part is aoxidized during preventing heating, is then heated up, temperature
Degree rises to 500~600 DEG C, is incubated in heat-treatment furnace and places a period of time, to eliminate welding stress and the correction deformation of weldment；
Step 10：Carry out flow sealing detection；
And in the step 10, the fuel manifold of house steward's call through test device will be reinforced, kerosene pressure is smoothly raised to
8.826MPa, keeps 5min, to injection loop and all welding inspections of fuel manifold, is not allow for crackle, examines reinforcing house steward's weldering
The sealing of seam, does not allow seepage.
2. a kind of method for reinforcing house steward's replacing spray boom and ear mount according to claim 1, it is characterised in that：The step
The two ends that mouth earnestly is welded on reinforcing main pipe are blocked in two with rayon balls.
3. a kind of method for reinforcing house steward's replacing spray boom and ear mount according to claim 1, it is characterised in that：The step
The metal fillings and foul of total tube cavity are cleaned in four with the method for back suction, is examined and is rinsed to without foul with silk.
4. a kind of method for reinforcing house steward's replacing spray boom and ear mount according to claim 1, it is characterised in that：The step
Place to be welded is polished with group file in six to metallic luster is presented, and reinforcing house steward pipe thickness is not less than 0.95mm, with absorbent cotton and
Alcohol cleans place to be welded.
5. a kind of method for reinforcing house steward's replacing spray boom and ear mount according to claim 1, it is characterised in that：The step
Allow correction in seven after tack welding, weld seam be not allow for because welding arc is removed suddenly and caused by pit, weld seam should be uniformly and smooth
It is transferred on pipeline, weld answers flawless, burn, overlap, arc crater and undercut defect.
6. a kind of method for reinforcing house steward's replacing spray boom and ear mount according to claim 1, it is characterised in that：The step
Welding position is checked using X-ray in eight.
7. a kind of method for reinforcing house steward's replacing spray boom and ear mount according to claim 1, it is characterised in that：Same house steward
Same position repair welding, no more than 2 times, is marked, right with repair welding when first time changing spray boom or ear mount in replacing position
When the position repair welding is once or second is changed spray boom or ear mount, marked again at repair welding, in second of renewal part
Do not allow to carry out repair welding to this position again afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510767456.5A CN105290704B (en) | 2015-11-11 | 2015-11-11 | It is a kind of to reinforce the method that house steward changes spray boom and ear mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510767456.5A CN105290704B (en) | 2015-11-11 | 2015-11-11 | It is a kind of to reinforce the method that house steward changes spray boom and ear mount |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105290704A CN105290704A (en) | 2016-02-03 |
| CN105290704B true CN105290704B (en) | 2017-09-15 |
Family
ID=55188885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510767456.5A Active CN105290704B (en) | 2015-11-11 | 2015-11-11 | It is a kind of to reinforce the method that house steward changes spray boom and ear mount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105290704B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363345B (en) * | 2016-11-25 | 2018-09-14 | 沈阳黎明航空发动机(集团)有限责任公司 | The replacing options of bearing case crackle oil pipe |
| CN109648177B (en) * | 2018-12-21 | 2021-01-08 | 北京动力机械研究所 | Pipeline connection method suitable for oil injection device |
| CN110823466A (en) * | 2019-11-19 | 2020-02-21 | 中国航发贵州黎阳航空动力有限公司 | Hydraulic test device for thrust augmentation main pipe fuel spray rod of aircraft engine |
| CN113714607B (en) * | 2021-08-25 | 2023-01-06 | 西安远航真空钎焊技术有限公司 | Method for processing main fuel pipe of gas turbine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4134427B2 (en) * | 1999-03-08 | 2008-08-20 | 株式会社Ｉｈｉ | Pipe material welding method and existing pipe joint repair method |
| CN101444863A (en) * | 2008-12-26 | 2009-06-03 | 中国人民解放军第五七一九工厂 | Brazing method for repairing fuel line fault |
| CN102218638B (en) * | 2010-04-14 | 2012-11-28 | 王茂才 | Process method for repairing gas turbine vanes by micro-arc deposition coating |
| CN103567610B (en) * | 2013-10-19 | 2016-12-07 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of fuel manifold technique pin leakage of oil restorative procedure |
| CN103586639B (en) * | 2013-11-11 | 2016-01-13 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of Welding Structure fuel manifold processing method with nozzle |
-
2015
- 2015-11-11 CN CN201510767456.5A patent/CN105290704B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105290704A (en) | 2016-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105290704B (en) | It is a kind of to reinforce the method that house steward changes spray boom and ear mount | |
| CN103338895A (en) | Gas shielding device | |
| US20080216300A1 (en) | Splitter fairing repair | |
| CN106493507B (en) | A kind of vacuum brazing repair method of aero-engine supersonic speed adjustment sheet crackle | |
| US6502303B2 (en) | Method of repairing a turbine blade tip | |
| CN102363239B (en) | Automatic narrow-gap submerged arc welding process for all-welded fixed ball valve with medium and large calibers | |
| CN101704154B (en) | Patch welding repair method for machining liner of nickle-based wrought superalloy overhaul machine | |
| CN105328396A (en) | Blade replacement and repair method for stator blade assemblies of gas compressors | |
| CN110253206A (en) | The main screw hole damage rehabilitation method of nuclear power plant's reactor pressure vessel | |
| CN109794668B (en) | Method for welding closure seam of martensite heat-resistant steel container | |
| CA2848944A1 (en) | A method of repairing rotating machine components | |
| CN106119831A (en) | The restorative procedure of Turbine Sawtooth Shroud wear-out failure | |
| CN110328438A (en) | A kind of method that cold metal transfer technology repairs aero-engine cast superalloy part | |
| CN104439632A (en) | Method for repairing abrasion defect of thin-wall lubricating oil tank shell | |
| CN104439770A (en) | Repair method for sealing groove of locomotive diesel engine air cylinder sleeve | |
| CN102717224B (en) | Method for conducting powder sintering and forming and restoring to large blade gap defects of gas turbine | |
| CN107009003A (en) | The Rework Technics of Condenser Titanium Tube | |
| CN107971693A (en) | A kind of wheel chamber casing crackle repair method of titanium alloy inlet casing | |
| CN101920429A (en) | Combustion engine crankshaft electric spark overlaying repairing process | |
| CN105149880B (en) | A kind of preparation method of the fatigue test piece of high temperature alloy thin walled welds tubing | |
| CN107175460A (en) | Tuyere cover of blast furnace renovation technique | |
| CN103567612B (en) | A kind of flame tube repair method | |
| CN101870040A (en) | Cylinder fatigue internal-crack welding and restoring process of piston type oxygen compressor | |
| CN111922626A (en) | Method for repairing surface indentation damage of thin-wall pipe fitting of aircraft engine | |
| CN104226976B (en) | A kind of Co-based alloy powder for internal-combustion engine booster gas inlet shell laser repairing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |