CN212577908U - Gas turbine flame tube assembly positioning and welding tool - Google Patents
Gas turbine flame tube assembly positioning and welding tool Download PDFInfo
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- CN212577908U CN212577908U CN202021214082.7U CN202021214082U CN212577908U CN 212577908 U CN212577908 U CN 212577908U CN 202021214082 U CN202021214082 U CN 202021214082U CN 212577908 U CN212577908 U CN 212577908U
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Abstract
The utility model relates to a gas turbine assembly auxiliary fixtures technical field, concretely relates to gas turbine flame tube positioning and welding frock, which comprises a mounting bas, the fixed subassembly of head, afterbody supporting component and the fixed subassembly of afterbody, the mount pad runs through the head of flame tube, conic section and afterbody, at the coupling part of head and conic section, be equipped with two-stage annular stair structure on the mount pad, at the coupling part of conic section and afterbody, be equipped with the baffle on the mount pad, the fixed subassembly of head is used for fixing the head of flame tube on annular stair structure, afterbody supporting component is used for supporting the one end that the afterbody of flame tube is close to the conic section, the fixed subassembly of afterbody is used for the afterbody and the head of flame tube, the conic section is fixed together. The tool simplifies machining procedures, saves manufacturing period and reduces cost under the condition of meeting the assembly requirements of the flame tube.
Description
Technical Field
The utility model relates to a gas turbine assembly auxiliary fixtures technical field, concretely relates to gas turbine flame tube positioning and welding frock.
Background
The gas turbine is an advanced device of internal combustion type power machinery which takes natural gas as fuel and converts energy into useful work, and is widely applied to the fields of power generation, ship power, petroleum industry, west-east gas transmission, distributed energy sources and the like at present. The flame tube of a certain 10MW gas turbine set is a device for mixing high-pressure gas and fuel and burning the mixture, and is a component for converting chemical energy of the fuel into heat energy. After the fuel is fully combusted by the flame tube and the transition section, the gas temperature is greatly increased, and the fuel has high heat energy and potential energy. The flame tube is one of the core components of the combustion chamber, the internal environment is severe when the flame tube works, and the temperature can reach 900 ℃. Thus placing high demands on the manufacture of the flame tube.
The flame tube structure of a certain type of 10MW gas turbine set is composed of a head support, a conical section and a tail part. The head part is formed by welding an outer ring, an inner ring and a connecting support plate 16; the conical section is formed by welding 11 sections of conical barrels; the tail part is assembled and riveted together by a double-layer sleeve, a circular sleeve, a hoop and a rivet, and the whole assembling and welding process is easy to have the problem of inaccurate positioning and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a gas turbine flame tube positioning and welding frock.
The utility model discloses a realize like this, a gas turbine flame tube positioning and welding frock is provided, which comprises a mounting bas, the fixed subassembly of head, afterbody supporting component and the fixed subassembly of afterbody, the mount pad runs through the head of flame tube, conic section and afterbody, at the coupling part of head and conic section, be equipped with two-stage annular stair structure on the mount pad, at the coupling part of conic section and afterbody, be equipped with the baffle on the mount pad, the fixed subassembly of head is used for fixing the head of flame tube on annular stair structure, afterbody supporting component is used for supporting the one end that the afterbody of flame tube is close to the conic section, the fixed subassembly of afterbody is used for the afterbody and the head of flame tube, the conic section is fixed together.
Preferably, the head fixing assembly comprises a head assembling pressing plate and a head assembling bolt, a screw hole is formed in the head assembling pressing plate, a screw hole is formed in the first-stage step of the annular step structure, the head of the flame tube is placed on the first-stage step of the annular step structure, the head assembling pressing plate is pressed on the head of the flame tube, and the head assembling bolt sequentially penetrates through the head assembling pressing plate and the screw hole in the annular step structure to fix the head of the flame tube on the mounting seat.
Further preferably, the head assembling device further comprises a head assembling gasket which is arranged between the head assembling pressure plate and the head assembling bolt.
Preferably, the tail supporting component comprises a plurality of supporting blocks and a conical nut, the supporting blocks form an annular structure and are placed on the baffle, one surface, close to the mounting seat, of each supporting block is an inclined surface, the conical nut is connected to the mounting seat, the conical nut is provided with an inclined surface which is in butt joint with the inclined surfaces on the supporting blocks in a matching mode, and when the conical nut rotates to a target position, the supporting blocks move outwards to support the tail of the flame tube.
Further preferably, the supporting block comprises a supporting plate, a positioning welding inner support, a supporting copper plate, a supporting pressing plate and a supporting bolt, the positioning welding inner support is installed between the supporting plate and the supporting pressing plate, the supporting bolt penetrates through screw holes in the supporting pressing plate and the supporting plate to fix the positioning welding inner support, and the supporting copper plate is installed on the outer side face of the positioning welding inner support, namely the welding seam position of the cone section and the tail.
Further preferably, the number of the supporting blocks is 4.
Further preferably, the device also comprises supporting gaskets, the supporting gaskets are arranged between the baffle and the supporting plate, and the number of the supporting gaskets is 0-2.
Preferably, the tail fixing component comprises a cover plate, a disc spring and a tail fixing nut, the cover plate covers the tail of the flame tube, and the disc spring is arranged between the cover plate and the tail fixing nut.
Further preferably, the disc spring further comprises a tail fixing gasket arranged between the cover plate and the disc spring.
Further preferably, still include the argon protection subassembly, including argon gas conveyer pipe and welded sealing plate, the welded sealing plate with baffle detachably connects, and the lateral surface of welded sealing plate is equipped with the round ring channel, the welded sealing plate with be equipped with the through-hole on the fixed subassembly of afterbody respectively, the argon gas conveyer pipe passes the through-hole on fixed subassembly of afterbody and the welded sealing plate in proper order, sends into the ring channel with argon gas, carries out argon protection to the weld position.
Compared with the prior art, the utility model has the advantages of:
1. the tool simplifies machining procedures, saves manufacturing period and reduces cost under the condition of meeting the assembly requirement of the flame tube;
2. the flame tube assembling and welding tool is convenient for assembling, positioning and welding assembly of sheet metal parts such as all parts of the head part of the flame tube, the conical section, the tail part of the flame tube and the like, and ensures the assembling quality of butt welding seams and the shape size and the position size of all parts during assembling;
3. the tool is provided with an argon protection assembly, so that the welding quality is ensured, and meanwhile, the welding operation is convenient;
4. the tool is convenient to disassemble and assemble, and the assembling efficiency is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
FIG. 1 is a cross-sectional view of a flame tube installed using the present invention;
FIG. 2 is an external view of the installation of the liner of the present invention;
FIG. 3 is a schematic view of the installation of the argon shield assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the utility model provides a gas turbine flame tube positioning and welding frock, including mount pad 1, the fixed subassembly of head, afterbody supporting component and afterbody fixed subassembly, mount pad 1 runs through the head of flame tube, conic section and afterbody, at the coupling part of head and conic section, be equipped with two-stage annular stair structure 101 on mount pad 1, at the coupling part of conic section and afterbody, be equipped with baffle 102 on mount pad 1, the head fixed subassembly is used for fixing the head of flame tube on annular stair structure 101, afterbody supporting component is used for supporting the one end that the afterbody of flame tube is close to the conic section, afterbody fixed subassembly is used for the afterbody and the head of flame tube, the conic section is fixed together.
In this embodiment:
the head fixing assembly comprises a head assembling pressing plate 2 and a head assembling bolt 4, a screw hole is formed in the head assembling pressing plate 2, the screw hole is formed in one-level step of the annular step structure 101, the head of the flame tube is placed on the one-level step of the annular step structure 101, the head assembling pressing plate 2 is pressed on the head of the flame tube, the head assembling bolt 4 sequentially penetrates through the screw hole in the head assembling pressing plate 2 and the screw hole in the annular step structure 101, and the head of the flame tube is fixed on the mounting seat 1.
The tail supporting component comprises a plurality of supporting blocks and a conical nut 10, the supporting blocks form an annular structure and are placed on the baffle plate 102, one surface, close to the mounting seat 1, of each supporting block is an inclined surface, the conical nut 10 is connected to the mounting seat 1, the conical nut 10 is provided with an inclined surface which is in butt joint with the inclined surfaces on the supporting blocks in a matching mode, and when the conical nut 10 rotates to a target position, the supporting blocks move outwards to support the tail of the flame tube.
The supporting shoe is equipped with 4, and the supporting shoe includes that backup pad 6, positioning weld interior support 7, support copper 8, support pressure plate 9 and stay bolt 15, and positioning weld interior support 7 installs between backup pad 6 and support pressure plate 9, passes the screw on support pressure plate 9 and the backup pad 6 through stay bolt 15 and will fix positioning weld interior support 7, and support copper 8 installs and supports 7's lateral surface in positioning weld, the welded joint position of conic section and afterbody promptly.
The tail fixing component comprises a cover plate 11, a disc spring 13 and a tail fixing nut 14, the cover plate 11 covers the tail of the flame tube, and the disc spring 13 is installed between the cover plate 11 and the tail fixing nut 14.
Referring to fig. 3, the argon protection assembly further comprises an argon conveying pipe 22 and a welding sealing plate 23, the welding sealing plate 23 is detachably connected with the baffle plate 102, a circle of annular groove is formed in the outer side face of the welding sealing plate 23, the welding sealing plate 23 is provided with through holes in the tail fixing assembly respectively, the argon conveying pipe 22 sequentially penetrates through the through holes in the tail fixing assembly and the welding sealing plate 23, argon is sent into the annular groove, and argon protection is performed on a welding position.
The head part of the flame tube is formed by welding an outer ring 18, an inner ring 17 and a connecting support plate 16; the conical section is formed by welding 11 sections of conical barrels 19; the tail part is formed by riveting a double-layer sleeve 21, a circular sleeve 20, a clamping band and a rivet together in an assembling mode.
The assembly of the flame tube by using the tool provided by the embodiment comprises the following steps:
1. placing a flame tube head inner ring 17 on an annular step structure 101 of a mounting seat 1, sequentially assembling 11 cone tubes 19 of cone sections on the mounting seat 1, assembling a support plate 6, a positioning welding inner support 7, a support copper plate 8, a support pressure plate 9 and a support bolt 15 which form a support block, erecting 4 support blocks on a baffle plate 102, rotating a cone nut 10 inwards, supporting 4 support blocks outwards, supporting a tail circular sleeve 20 to a position welded with the last cone tube, assembling a double-layer sleeve 21 on the outer side of the circular sleeve 20, and arranging the support copper plate 8 to prevent the tool from being adhered to the flame tubes in the welding process;
2. the cover plate 11, the disc spring 13 and the tail fixing nut 14 are installed on the outer side of the tail, and the disc spring 13 is arranged so that when the whole flame tube is shortened in the welding process, the disc spring 13 can push the cover plate 11, and all parts of the whole flame tube are still in a compressed state. Spot welding and fixing the positions of the conical section and the tail part which need to be welded;
3. removing the supporting block and the conical nut 10, installing a back argon protection device, namely installing a welding sealing plate 23 at the position of a baffle plate 102, extending an argon conveying pipe 22 into a hole on the welding sealing plate 23 from a hole on a cover plate 11, conveying argon into an annular groove through the argon conveying pipe 22, carrying out argon protection on the welding position, welding a circular sleeve 20 and a conical section, then welding an inner ring 17 and the conical section, and carrying out X-ray inspection and stress relief heat treatment after welding;
4. reassembling the flame tube after heat treatment on the tool, pressing the flame tube on the head inner ring 17 of the flame tube through the head assembling pressing plate 2, sequentially penetrating the head assembling bolts 4 through the head assembling pressing plate 2 and the screw holes on the annular step structure 101, fixing the head inner ring 17 of the flame tube on the mounting seat 1, assembling the outer ring 18 and the connecting support plate 16 on the tool, and performing spot welding positioning and welding to complete the installation of the whole flame tube.
In order to ensure that the installation is more tight and the sealing performance is better, the installation structure further comprises a head assembling gasket 3, a supporting gasket 5 and a tail fixing gasket 12 as an improvement, wherein the head assembling gasket 3 is arranged between the head assembling pressure plate 2 and the head assembling bolt 4, the supporting gasket 5 is arranged between the baffle plate 102 and the supporting plate 6, the number of the supporting gaskets 5 is 0-2, and the number of the supporting gaskets 5 is adjusted according to whether the supporting copper plate 8 is just positioned at the welding seam position of the cone section and the tail; a tail fixing pad 12 is disposed between the cover plate 11 and the disc spring 13.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides a gas turbine flame tube positioning and welding frock, a serial communication port, including mount pad (1), the head fixed subassembly, afterbody supporting component and afterbody fixed subassembly, mount pad (1) run through the head of flame tube, conic section and afterbody, at the coupling part of head and conic section, be equipped with two-stage annular stair structure (101) on mount pad (1), coupling part at conic section and afterbody, be equipped with baffle (102) on mount pad (1), the head fixed subassembly is used for fixing the head of flame tube on annular stair structure (101), afterbody supporting component is used for supporting the one end that the afterbody of flame tube is close to the conic section, afterbody fixed subassembly is used for the afterbody and the head of flame tube, the conic section is fixed together.
2. The gas turbine flame tube assembling, positioning and welding tool as claimed in claim 1, wherein the head fixing assembly comprises a head assembling pressing plate (2) and a head assembling bolt (4), the head assembling pressing plate (2) is provided with a screw hole, the first step of the annular step structure (101) is provided with a screw hole, the head of the flame tube is placed on the first step of the annular step structure (101), the head assembling pressing plate (2) presses on the head of the flame tube, and the head assembling bolt (4) sequentially penetrates through the screw holes in the head assembling pressing plate (2) and the annular step structure (101) to fix the head of the flame tube on the mounting seat (1).
3. The assembly positioning and welding tool for the gas turbine combustor basket as claimed in claim 2, further comprising a head assembly gasket (3) disposed between the head assembly pressure plate (2) and the head assembly bolt (4).
4. The assembly positioning and welding tool for the flame tube of the gas turbine as claimed in claim 1, wherein the tail support assembly comprises a plurality of support blocks and a conical nut (10), the plurality of support blocks form an annular structure and are placed on the baffle plate (102), one surface of each support block, which is close to the mounting seat (1), is an inclined surface, the conical nut (10) is connected to the mounting seat (1), the conical nut (10) is provided with an inclined surface which is matched and butted with the inclined surfaces on the support blocks, and when the conical nut (10) rotates to a target position, the support blocks move outwards to support the tail of the flame tube.
5. The gas turbine flame tube assembling, positioning and welding tool as set forth in claim 4, characterized in that the supporting block comprises a supporting plate (6), a positioning welding inner support (7), a supporting copper plate (8), a supporting pressure plate (9) and a supporting bolt (15), the positioning welding inner support (7) is installed between the supporting plate (6) and the supporting pressure plate (9), the positioning welding inner support (7) is fixed by the supporting bolt (15) penetrating through screw holes on the supporting pressure plate (9) and the supporting plate (6), and the supporting copper plate (8) is installed on the outer side surface of the positioning welding inner support (7), namely, the welding seam positions of the cone section and the tail part.
6. The assembly positioning and welding tool for the gas turbine combustor basket as claimed in claim 4, wherein there are 4 support blocks.
7. The gas turbine liner assembling, positioning and welding tool as set forth in claim 5, further comprising supporting spacers (5) disposed between the baffle plate (102) and the supporting plate (6), wherein the number of the supporting spacers (5) is 0-2.
8. The assembly positioning and welding tool for the flame tube of the gas turbine as claimed in claim 1, wherein the tail fixing component comprises a cover plate (11), a disc spring (13) and a tail fixing nut (14), the cover plate (11) covers the tail of the flame tube, and the disc spring (13) is installed between the cover plate (11) and the tail fixing nut (14).
9. The assembly positioning and welding tool for the gas turbine combustor basket as claimed in claim 8, further comprising a tail fixing gasket (12) disposed between the cover plate (11) and the disc spring (13).
10. The assembly positioning and welding tool for the flame tube of the gas turbine as claimed in claim 1, further comprising an argon protection assembly including an argon conveying pipe (22) and a welding sealing plate (23), wherein the welding sealing plate (23) is detachably connected to the baffle (102), a ring of annular groove is formed in the outer side surface of the welding sealing plate (23), through holes are respectively formed in the welding sealing plate (23) and the tail fixing assembly, the argon conveying pipe (22) sequentially penetrates through the through holes in the tail fixing assembly and the welding sealing plate (23) to convey argon into the annular groove, and argon protection is performed at the welding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214082.7U CN212577908U (en) | 2020-06-28 | 2020-06-28 | Gas turbine flame tube assembly positioning and welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214082.7U CN212577908U (en) | 2020-06-28 | 2020-06-28 | Gas turbine flame tube assembly positioning and welding tool |
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| Publication Number | Publication Date |
|---|---|
| CN212577908U true CN212577908U (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021214082.7U Active CN212577908U (en) | 2020-06-28 | 2020-06-28 | Gas turbine flame tube assembly positioning and welding tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263299A (en) * | 2021-06-21 | 2021-08-17 | 西安远航真空钎焊技术有限公司 | Method for processing cylindrical section of flame tube of gas turbine |
| CN113333549A (en) * | 2021-06-21 | 2021-09-03 | 西安远航真空钎焊技术有限公司 | Method for processing front ring of flame tube of gas turbine |
| CN116275803A (en) * | 2023-03-06 | 2023-06-23 | 江苏阿莫斯燃气轮机有限公司 | Positioning and clamping device for assembling and welding flame tube of gas turbine |
-
2020
- 2020-06-28 CN CN202021214082.7U patent/CN212577908U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263299A (en) * | 2021-06-21 | 2021-08-17 | 西安远航真空钎焊技术有限公司 | Method for processing cylindrical section of flame tube of gas turbine |
| CN113333549A (en) * | 2021-06-21 | 2021-09-03 | 西安远航真空钎焊技术有限公司 | Method for processing front ring of flame tube of gas turbine |
| CN113263299B (en) * | 2021-06-21 | 2022-03-04 | 西安远航真空钎焊技术有限公司 | Method for processing cylindrical section of flame tube of gas turbine |
| CN116275803A (en) * | 2023-03-06 | 2023-06-23 | 江苏阿莫斯燃气轮机有限公司 | Positioning and clamping device for assembling and welding flame tube of gas turbine |
| CN116275803B (en) * | 2023-03-06 | 2023-11-10 | 江苏阿莫斯燃气轮机有限公司 | Positioning and clamping device for assembling and welding flame tube of gas turbine |
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