CN102922156B - Welding method for main fuel tube of engine - Google Patents
Welding method for main fuel tube of engine Download PDFInfo
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- CN102922156B CN102922156B CN201210425909.2A CN201210425909A CN102922156B CN 102922156 B CN102922156 B CN 102922156B CN 201210425909 A CN201210425909 A CN 201210425909A CN 102922156 B CN102922156 B CN 102922156B
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- welded
- main fuel
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Abstract
The invention provides a welding method for a main fuel tube of an engine, and belongs to the technical field of manufacture of engines. The welding method is applied to welding of the main fuel tubes of various engines. The welding method for the main fuel tube of the engine, provided by the invention, is easy for removing faults and welding; the dimension and the form and location tolerance of the main tube welded by the method provided by the invention can be easily ensured; through the welding method, ideal welding forming and the welding quality can be achieved, and high production efficiency can be ensured. The welding method comprises steps of: welding a boss on a guide tube; welding a hanging part to one end of the guide tube; welding a spraying rod on the boss, so as to form a small main pipe section; and welding the small main tube sections on which the bosses, the hanging parts and the spraying rods are welded, so as to form a closed ring which is the main fuel tube of the engine.
Description
Technical field
The invention belongs to engine manufacturing technology field, particularly relate to the welding method of a kind of engine fuel house steward, be applied to the welding of the fuel manifold of each h type engine h.
Background technology
Be welded in engine manufacture and be widely used, and occupy very important position.The quality of welding quality directly affects the quality of engine, so formulating welding procedure route-welding method is under the prerequisite ensured and control product quality, selects rational welding sequence.Namely welding sequence is formulate the key point of welding procedure route.
Engine fuel house steward is made up of several house steward's segments, and by the annulus that hanging welding formation one is closed between each house steward's segment, described fuel manifold is connected with oil inlet pipe.Described house steward's segment comprises conduit, conduit is welded with projection seat and hanging, projection seat is welded with spray boom.
At present, the welding method of existing engine fuel house steward takes segmentation to weld, and rear group of lap welding connects, and finally welds the welding procedure route of spray boom, that is: first projection seat be welded on conduit, and hanging is welded to one end of conduit; Then by each conduit of burn-on projection seat and hanging by the closed annulus of hanging welding formation one, finally again by spray lance welding in projection seat.Weld the mode of spray boom after employing group circle, because weld is more, surface forming, welding quality are bad, and there is the internal flaw exceeded standard, solder yield is low; And welding difficulty, Post weld operations and troubleshooting are more difficult, and the amount of reprocessing is large, and production efficiency is low.
Summary of the invention
For prior art Problems existing, the invention provides the welding method of a kind of engine fuel house steward; This welding method is easy to troubleshooting and welding, and adopt house steward's size of the method welding and form and position tolerance easily to ensure, welding fabrication, welding quality are desirable, and production efficiency is high.
To achieve these goals, the present invention adopts following technical scheme, and the welding method of a kind of engine fuel house steward, comprises the steps:
Step one: projection seat is welded on conduit;
Step 2: one end hanging being welded to conduit;
Step 3: by spray lance welding in projection seat, forms house steward's segment;
Step 4: each house steward's segment after projection seat of burn-oning, hanging and spray boom is welded into a closed annulus by hanging, that is: engine fuel house steward.
Beneficial effect of the present invention:
Welding method of the present invention is segmentation welding, and on segment, complete the solder technology of spray boom.The method is easy to operate, the front easy to clean of weldering, and welding deformation is easy to control, and be easy to troubleshooting, detection and welding, production efficiency is high, alleviates the labour intensity of workman greatly.House steward's size of being welded by the method and form and position tolerance are easily ensured, face of weld Forming Quality is good, and welding quality is good, all can meet design requirement; Detection qualification rate is high, and repair rate, close to zero, reduces production cost.Welding method of the present invention has a extensive future, and the similar component of each machine can use, no matter military products or civilian goods similar structures house steward can use.
Prove through test: adopt welding method of the present invention to weld 5 engine fuel house stewards, once qualified, actual operating time decreases more than 30%, and single-piece actual operating time reduces more than 3 hours.
Accompanying drawing explanation
Fig. 1 is the structural representation of engine fuel house steward;
Fig. 2 is the structural representation of the house steward's segment after projection seat, hanging and spray boom of burn-oning;
In figure, 1-conduit, 2-spray boom, 3-hanging, 4-projection seat.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
An engine fuel house steward's welding method, comprises the steps:
Step one: projection seat 4 is welded on conduit 1;
Step 2: one end hanging 3 being welded to conduit 1;
Step 3: be welded to by spray boom 2 in projection seat 4, forms house steward's segment, as shown in Figure 2;
Step 4: each house steward's segment after projection seat 4 of burn-oning, hanging 3 and spray boom 2 is welded into a closed annulus by hanging 3, that is: engine fuel house steward, as shown in Figure 1.
Claims (1)
1. an engine fuel house steward's welding method, is characterized in that, comprises the steps:
Step one: projection seat is welded on conduit;
Step 2: one end hanging being welded to conduit;
Step 3: by spray lance welding in projection seat, forms house steward's segment;
Step 4: each house steward's segment after projection seat of burn-oning, hanging and spray boom is welded into a closed annulus by hanging, that is: engine fuel house steward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210425909.2A CN102922156B (en) | 2012-10-31 | 2012-10-31 | Welding method for main fuel tube of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210425909.2A CN102922156B (en) | 2012-10-31 | 2012-10-31 | Welding method for main fuel tube of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922156A CN102922156A (en) | 2013-02-13 |
| CN102922156B true CN102922156B (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210425909.2A Active CN102922156B (en) | 2012-10-31 | 2012-10-31 | Welding method for main fuel tube of engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102922156B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104154565B (en) * | 2014-07-22 | 2016-04-20 | 中国航空动力机械研究所 | For the fuel manifold of engine chamber and manufacture method and aero-engine |
| CN104165771B (en) * | 2014-07-24 | 2017-03-15 | 贵州黎阳航空动力有限公司 | A kind of engine fuel house steward injection direction test device and its method of testing |
| CN105345384B (en) * | 2015-11-13 | 2017-02-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Positioning and welding clamp for header pipe and welding deformation control method |
| CN106500563B (en) * | 2016-12-23 | 2022-05-13 | 中国航发贵州黎阳航空动力有限公司 | Measuring tool and method for detecting spray direction of spray rod of fuel header pipe |
| CN107962268B (en) * | 2017-11-17 | 2019-11-08 | 中国航发贵州黎阳航空动力有限公司 | A kind of assembly method before light wall pipe part soldering |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827638A (en) * | 1973-05-23 | 1974-08-06 | Ex Cell O Corp | Fuel spray nozzle |
| CN201476063U (en) * | 2009-08-31 | 2010-05-19 | 中国航空动力机械研究所 | Fuel manifold of combustion chamber |
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2012
- 2012-10-31 CN CN201210425909.2A patent/CN102922156B/en active Active
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| Publication number | Publication date |
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| CN102922156A (en) | 2013-02-13 |
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Address after: 110043 Liaoning Province, Shenyang City District East Street No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Liaoning Province, Shenyang City District East Street No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |