CN104108004A - Manufacturing method of insulation jacket of gas turbine - Google Patents
Manufacturing method of insulation jacket of gas turbine Download PDFInfo
- Publication number
- CN104108004A CN104108004A CN201410172294.6A CN201410172294A CN104108004A CN 104108004 A CN104108004 A CN 104108004A CN 201410172294 A CN201410172294 A CN 201410172294A CN 104108004 A CN104108004 A CN 104108004A
- Authority
- CN
- China
- Prior art keywords
- heat insulation
- steel band
- insulation backplate
- spot welding
- main body
- 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.)
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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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/24—Heat or noise insulation
Abstract
The invention discloses a manufacturing method of an insulation jacket of a gas turbine. The manufacturing method includes manual processing of ultrathin heat-insulation protecting plate, filling of heat insulation materials and a sealing and welding technology. The manufacturing method includes steps of setting out and unfolding a heat insulation protecting plate body of the heat insulation jacket, manufacturing a plurality of U-shaped connectors of the heat insulation jacket, cutting, manufacturing an assembly fixture, flanging and modeling, completing manufacture of the heat insulation protecting plate, welding at one end of the heat insulation protecting plate at one end of a cartridge combined part by energy-storage spot welding, filling the heat insulation materials and sealing by the energy-storage spot welding. The problem about manufacture of the insulation jacket of a rear cartridge of the gas turbine is solved, and the manufacture method has popularization value for application of similar insulation jackets. When the ultrathin heat insulation protecting plate with several windows are processed and heat insulation materials are completely wrapped, manual molding can be realized with scissors, bakelite plates and the like by the above steps, molds and press machines are omitted, and processing cost is greatly saved.
Description
Technical field:
This method belongs to gas turbine technology, particularly relates to a kind of making of gas turbine collet, comprises the offhand of the ultra-thin heat insulation backplate of rear housing, filling and the seal welding technology of heat-barrier material.
Background technology:
The heat insulation backplate of conventional method moulding generally adopts the 0.1mm Ultrathin steel strip of GH3030 to make.Processing technology is divided into blanking splicing, reel welding, opens forming hole, two ends flange moulding etc.This method need be used shearing machine, forcing press, roller bed, welding machine, uses mould and weld jig quantity many, and mould, fixture production cycle are long, thereby production cost is high, and easily tear at bending part, the wrinkling distortion in edge is serious, even occurs waste product.
Summary of the invention: the object of the invention is to provide a kind of preparation method of gas turbine collet.Adopt the method for offhand ultra-thin heat insulation backplate, rationally filling with insulation material and carry out seal welding, qualified to meet collet appearance and size, and heat-barrier material do not expose, and can play heat-blocking action, improves the service life of assembly;
A kind of preparation method of gas turbine collet: this method comprises the following steps:
(1) the heat insulation backplate main body setting-out of collet launches: taking the multiple U-shaped notch position of heat insulation backplate as benchmark, calculate spread material, and setting-out on steel band, at steel band top edge, draw two parallel pre-broken lines along steel band length direction, draw standardized stress release mouth shear line every 3-5mm along width of steel band direction, mark multiple U-shaped notch shear lines along width of steel band direction; At steel band lower limb, along standardized pre-broken line of steel band length direction, draw standardized stress release mouth shear line every 3-5mm along width of steel band direction.
(2) the multiple U-shaped connector of making collet: setting-out on steel band, make corresponding U-shaped connector, and mark two parallel pre-broken lines and perpendicular stress release mouth shear line, interval 3-5mm between stress release mouth shear line at U-shaped connector.
(3) cut out: cut out by the shear line scissors of (1), (2), cut out out U-shaped notch and stress release mouth.
(4) make assembling jig: according to design of part and matching requirements design process and assemble fixture, the outer circumference surface of assembling jig upper end is consistent with the inner peripheral surface of heat insulation backplate main body lower end.
(5) flange moulding: heat insulation backplate main body top edge is pre-folded to 90 ° of the outer bendings of alignment by inner side, then by the pre-broken line in outside in the other direction again bending 90 spend; Heat insulation backplate main body lower limb by pre-broken line once outwards 90 ° of bendings put in place; Complete the flange moulding to multiple U-shaped connectors by same way;
(6) completing heat insulation backplate makes: first with energy storage spot welding, heat insulation backplate main body is connected into tubular, then with the energy storage spot welding connection heat insulation backplate main body of tubular and multiple U-shaped connector, form heat insulation backplate.
(7) energy storage point in heat insulation backplate one end is welded in to casing sub-assembly one end.
(8) filling with insulation material: with the cavity between the stuffed heat insulated backplate of heat-barrier material and the casing sub-assembly of specifying.
(9) with energy storage spot welding sealing: to the heat insulation backplate other end and casing sub-assembly, multiple U-shaped connectors and casing sub-assembly, with energy storage spot welding sealing connection, in order to avoid heat-barrier material exposes.
The advantage of this method: solved the making problem of gas turbine rear housing collet, the application of similar collet is had to promotional value.When processing is with the ultra-thin heat insulation backplate of multiple windows, and while wrapping up heat-barrier material, can process by above-mentioned step comprehensively, get final product hand finishing with the instrument such as scissors, bakelite plate, not use mould, not working pressure machine, saves processing cost greatly.
Brief description of the drawings:
Fig. 1 is heat insulation guard board structure schematic diagram;
Fig. 2 is heat insulation backplate main body setting-out schematic diagram;
Fig. 3 is heat insulation backplate connector schematic diagram;
Fig. 4 is heat insulation backplate body shape schematic diagram:
Fig. 5 is heat insulation backplate clamp for assembling schematic diagram.
detailed description of the invention:
A kind of preparation method of gas turbine collet: this method comprises the following steps:
(1) the heat insulation backplate main body setting-out of collet launches: taking the multiple U-shaped notch position of heat insulation backplate as benchmark, calculate spread material, and setting-out on steel band, overlap joint mouthful is located at a U-shaped notch place, to reduce fusion length.At steel band top edge, draw two parallel pre-broken lines along steel band length direction, draw standardized stress release mouth shear line every 3-5mm along width of steel band direction, mark multiple U-shaped notch shear lines along width of steel band direction; At steel band lower limb, along standardized pre-broken line of steel band length direction, draw standardized stress release mouth shear line every 3-5mm along width of steel band direction.As shown in Figure 2.
(2) the multiple U-shaped connector of making collet: setting-out on steel band, make corresponding U-shaped connector, and mark two parallel pre-broken lines and perpendicular stress release mouth shear line, interval 3-5mm between stress release mouth shear line at U-shaped connector.As shown in Figure 3.
(3) cut out: cut out by the shear line scissors of (1), (2), cut out out U-shaped notch and stress release mouth.When cutting, do not cut pre-broken line.
(4) make assembling jig: according to design of part and matching requirements design process and assemble fixture, the outer circumference surface of assembling jig upper end is consistent with the inner peripheral surface of heat insulation backplate main body lower end.To keep heat insulation backplate to install with one heart, prevent thin plate distortion.Welding tooling during simultaneously as heat insulation backplate main body energy storage spot welding.Therefore the material of selecting good conductivity is good.As shown in Figure 5.
(5) flange moulding: heat insulation backplate main body top edge is pre-folded to 90 ° of the outer bendings of alignment by inner side, then by the pre-broken line in outside in the other direction again bending 90 spend; Heat insulation backplate main body lower limb by pre-broken line once outwards 90 ° of bendings put in place; Complete the flange moulding to multiple U-shaped connectors by same way; As shown in Figure 4.
(6) completing heat insulation backplate makes: first with energy storage spot welding, heat insulation backplate main body is connected into tubular, then with the energy storage spot welding connection heat insulation backplate main body of tubular and multiple U-shaped connector, in every otch section, spot welding 2 points, form heat insulation backplate.
(7) energy storage point in heat insulation backplate one end is welded in to casing sub-assembly one end, spot welding 2 points in every otch section, to form cavity filling.。
(8) filling with insulation material: with the cavity between the stuffed heat insulated backplate of heat-barrier material and the casing sub-assembly of specifying.Consolidation degree is calculated by weight, and fills and wants evenly.
(9) with energy storage spot welding sealing: to the heat insulation backplate other end and casing sub-assembly, multiple U-shaped connectors and casing sub-assembly, with energy storage spot welding sealing connection, in order to avoid heat-barrier material exposes.
Be processed as example with certain gas turbine rear housing backplate: guard board structure complexity, with the steel band making of 0.1mmGH3030.Concrete steps: (1) taking 4 U-shaped notch positions of backplate as benchmark according to unfolding calculation after setting-out, overlap joint mouth is located at a notch place.Top edge marks the pre-broken line of twice, then marks spacing shear line.Lower limb only marks together pre-broken line and all spacing shear lines.Finally by hand scissors along guidewire cutting.(2) make four U-shaped connectors: join and make U-shaped connector shearing blanking, first mark the pre-broken line of twice, after mark spacing shear line at bending section; Scissors cutting by hand.(3) make assembling jig: according to part minimum diameter and concentricity requirement design process and assemble fixture, to keep heat insulation backplate to install with one heart, prevent thin plate distortion.Welding tooling during simultaneously as main body energy storage spot welding.Therefore the material of selecting good conductivity is good.(4) flange moulding be welded into tubular: with bakelite plate by pre-folding 90 ° of the outer bendings of alignment, upper overturning in the other direction again bending 90 spend.Lower flange once outwards 90 ° of bendings put in place.Connect into tubular with energy storage spot welding again.(5) completing heat insulation backplate makes: integral by energy storage spot welding connection main body and four connectors.Each connector curves U-shaped, and connects with energy storage spot welding.Spot welding 2 points in every otch section.(6) energy storage point in heat insulation backplate one end is welded in to sub-assembly one end.Spot welding 2 points in every otch section, to form cavity filling.(7) filling with insulation material: with the cavity between No. 4 stuffed heat insulated backplates of aluminium silicate wool needle punched blanket and sub-assembly.Consolidation degree is calculated by weight, and fills and wants evenly.(8) with energy storage spot welding sealing: to heat insulation backplate upper end and four windows, with energy storage spot welding sealing connection, in order to avoid heat-barrier material exposes.Spot welding 2 points in every otch section.
Claims (1)
1. a preparation method for gas turbine collet, is characterized in that, this method comprises the following steps:
(1) the heat insulation backplate main body setting-out of collet launches: taking the multiple U-shaped notch position of heat insulation backplate as benchmark, calculate spread material, and setting-out on steel band, overlap joint mouthful is located at a U-shaped notch place, to reduce fusion length; At steel band top edge, draw two parallel pre-broken lines along steel band length direction, draw standardized stress release mouth shear line every 3-5mm along width of steel band direction, mark multiple U-shaped notch shear lines along width of steel band direction; At steel band lower limb, along standardized pre-broken line of steel band length direction, draw standardized stress release mouth shear line every 3-5mm along width of steel band direction;
(2) the multiple U-shaped connector of making collet: setting-out on steel band, make corresponding U-shaped connector, and mark two parallel pre-broken lines and perpendicular stress release mouth shear line, interval 3-5mm between stress release mouth shear line at U-shaped connector;
(3) cut out: cut out by the shear line scissors of (1), (2), cut out out U-shaped notch and stress release mouth; When cutting, do not cut pre-broken line;
(4) make assembling jig: according to design of part and matching requirements design process and assemble fixture, the outer circumference surface of assembling jig upper end is consistent with the inner peripheral surface of heat insulation backplate main body lower end; To keep heat insulation backplate to install with one heart, prevent thin plate distortion; Welding tooling during simultaneously as heat insulation backplate main body energy storage spot welding; Therefore the material of selecting good conductivity is good;
(5) flange moulding: heat insulation backplate main body top edge is pre-folded to 90 ° of the outer bendings of alignment by inner side, then by the pre-broken line in outside in the other direction again bending 90 spend; Heat insulation backplate main body lower limb by pre-broken line once outwards 90 ° of bendings put in place; Complete the flange moulding to multiple U-shaped connectors by same way;
(6) completing heat insulation backplate makes: first with energy storage spot welding, heat insulation backplate main body is connected into tubular, then with the energy storage spot welding connection heat insulation backplate main body of tubular and multiple U-shaped connector, in every otch section, spot welding 2 points, form heat insulation backplate;
(7) energy storage point in heat insulation backplate one end is welded in to casing sub-assembly one end, spot welding 2 points in every otch section, to form cavity filling; ;
(8) filling with insulation material: with the cavity between the stuffed heat insulated backplate of heat-barrier material and the casing sub-assembly of specifying; Consolidation degree is calculated by weight, and fills and wants evenly;
(9) with energy storage spot welding sealing: to the heat insulation backplate other end and casing sub-assembly, multiple U-shaped connectors and casing sub-assembly, with energy storage spot welding sealing connection, in order to avoid heat-barrier material exposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172294.6A CN104108004B (en) | 2014-04-25 | A kind of manufacture method of gas turbine collet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172294.6A CN104108004B (en) | 2014-04-25 | A kind of manufacture method of gas turbine collet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104108004A true CN104108004A (en) | 2014-10-22 |
| CN104108004B CN104108004B (en) | 2016-11-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239064A (en) * | 2016-08-29 | 2016-12-21 | 中航动力股份有限公司 | A kind of gas turbine parts heat insulation layer method for coating |
| CN106523161A (en) * | 2016-11-04 | 2017-03-22 | 中国航空工业集团公司北京航空材料研究院 | Forming method of engine heat insulation shroud |
| CN111120063A (en) * | 2019-12-26 | 2020-05-08 | 东风越野车有限公司 | Forming process of special-shaped heat shield for exhaust tail pipe of off-road vehicle and heat shield |
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| EP0010385A1 (en) * | 1978-10-12 | 1980-04-30 | Frank Campbell, Jr. | Ceramic fibre refractory member for insulating a pipe |
| JPH10238940A (en) * | 1997-02-26 | 1998-09-11 | Isuzu Motors Ltd | Thermally insulated wall material |
| CN101069908A (en) * | 2007-06-16 | 2007-11-14 | 王行山 | Process for board-rolling machine to make roll |
| CN202402120U (en) * | 2011-12-08 | 2012-08-29 | 摩根凯龙（荆门）热陶瓷有限公司 | Buckling heat insulating sleeve |
| CN203464673U (en) * | 2013-07-11 | 2014-03-05 | 邵阳纺织机械有限责任公司 | Thermal insulation board apparatus |
| CN103737253A (en) * | 2013-12-04 | 2014-04-23 | 江苏民生特种设备集团有限公司 | Method for machining steel welding gas cylinder body |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0010385A1 (en) * | 1978-10-12 | 1980-04-30 | Frank Campbell, Jr. | Ceramic fibre refractory member for insulating a pipe |
| JPH10238940A (en) * | 1997-02-26 | 1998-09-11 | Isuzu Motors Ltd | Thermally insulated wall material |
| CN101069908A (en) * | 2007-06-16 | 2007-11-14 | 王行山 | Process for board-rolling machine to make roll |
| CN202402120U (en) * | 2011-12-08 | 2012-08-29 | 摩根凯龙（荆门）热陶瓷有限公司 | Buckling heat insulating sleeve |
| CN203464673U (en) * | 2013-07-11 | 2014-03-05 | 邵阳纺织机械有限责任公司 | Thermal insulation board apparatus |
| CN103737253A (en) * | 2013-12-04 | 2014-04-23 | 江苏民生特种设备集团有限公司 | Method for machining steel welding gas cylinder body |
Non-Patent Citations (1)
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| 惠亚军等: "一种真空加压绝热工艺方法", 《固体火箭技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239064A (en) * | 2016-08-29 | 2016-12-21 | 中航动力股份有限公司 | A kind of gas turbine parts heat insulation layer method for coating |
| CN106239064B (en) * | 2016-08-29 | 2019-03-26 | 中航动力股份有限公司 | A kind of gas turbine component heat insulation layer method for coating |
| CN106523161A (en) * | 2016-11-04 | 2017-03-22 | 中国航空工业集团公司北京航空材料研究院 | Forming method of engine heat insulation shroud |
| CN111120063A (en) * | 2019-12-26 | 2020-05-08 | 东风越野车有限公司 | Forming process of special-shaped heat shield for exhaust tail pipe of off-road vehicle and heat shield |
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Address after: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee after: AECC AVIATION POWER CO,LTD. Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: AVIC AVIATION ENGINE Corp.,PLC Address after: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee after: AVIC AVIATION ENGINE Corp.,PLC Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: XI'AN AVIATION POWER Co.,Ltd. |
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