CN213289152U - Heat shield welding auxiliary tool for annular thin-wall part of gas turbine - Google Patents
Heat shield welding auxiliary tool for annular thin-wall part of gas turbine Download PDFInfo
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- CN213289152U CN213289152U CN202022262313.8U CN202022262313U CN213289152U CN 213289152 U CN213289152 U CN 213289152U CN 202022262313 U CN202022262313 U CN 202022262313U CN 213289152 U CN213289152 U CN 213289152U
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Abstract
The utility model relates to a heat screen welding auxiliary fixtures of gas turbine annular thin wall part, including the circle chassis, the upper portion of circle chassis is equipped with the base plate, and the centre of base plate is equipped with the mesopore, and the upper portion of base plate is equipped with the orthopedic cover of conical die, and the orthopedic cover outside of conical die is equipped with the backup pad, and the even measurement hole that is equipped with is sheathe in to the orthopedic cover of conical die, and the orthopedic bolt that still evenly is equipped with is sheathe in to the orthopedic cover of conical die, is equipped with cross tamp in the orthopedic cover of conical die, and cross tamp is equipped with the bevel section all around, and cross tamp lower part is equipped with the pull rod, and the pull rod is equipped with the ring clamp. The utility model discloses an evenly distributed's orthopedic bolt and briquetting all around compress tightly and adjust counterpoint taper barrel spare and flange, and the alignment process is very convenient, and cross tamp can support the inside formation of taper barrel spare, and taper barrel spare is minimum with the deformation of flange welding, and welding personnel's low in labor strength makes welded production efficiency higher.
Description
Technical Field
The utility model belongs to the technical field of the heat shield, a weld forming of heat shield is related to, in particular to heat shield welding auxiliary fixtures of gas turbine annular thin wall part.
Background
The core stream temperature of the gas turbine combustor, which is a high-temperature component, is usually as high as 2000K or more, and the temperature outside the combustor is gradually reduced but needs to be insulated by a heat shield to avoid ablation. Generally, the heat shield is composed of a conical cylinder and a flange, and the conical cylinder and the flange can be connected and formed through welding after being butted. The material of the conical barrel part adopts GH2150, the GH2150 is Fe-Ni-Cr nickel-based precipitation hardening type deformation high-temperature alloy, high temperature can be well isolated, the alloy can be used at 750 ℃, and the deformation generated during welding is large because the conical barrel part is a thin-wall part with the wall thickness of 3 mm; usually, welding personnel weld the tubulose welding shaping to the toper section of thick bamboo spare through argon tungsten-arc welding, carry out welded connection between fashioned toper section of thick bamboo spare and the flange again, because welding deformation's existence, welding personnel need carry out the school circle operation through the veneer reeling machine to fashioned toper section of thick bamboo spare after welding arcuation's plate into toper section of thick bamboo spare, the reciprocal transport of toper section of thick bamboo spare is comparatively complicated, the operation time of school circle is longer, operating personnel's intensity of labour is great, the work efficiency who makes the welding work of the fashioned heat screen reduces behind toper section of thick bamboo spare and the flange welded connection, make the very big increase of manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The invention provides a heat shield welding auxiliary tool for an annular thin-wall part of a gas turbine, and aims to solve the technical problems of large deformation, high labor intensity of welding personnel and low welding production efficiency during assembly and welding of the heat shield.
The utility model provides a technical scheme that above-mentioned technical problem took is: the auxiliary welding tool for the heat shield of the annular thin-wall part of the gas turbine is structurally characterized by comprising a round bottom frame, wherein a base plate is arranged at the upper part of the round bottom frame, a middle hole is formed in the middle of the base plate, a conical die correcting sleeve is arranged at the upper part of the base plate, and the base plate and the conical die are connected
The correcting sleeve is concentrically arranged, a supporting plate is arranged outside the conical die correcting sleeve, measuring holes are uniformly formed in the conical die correcting sleeve, correcting bolts are uniformly arranged on the conical die correcting sleeve, a cross-shaped pressing tool is arranged in the conical die correcting sleeve, slope angle sections are arranged on the periphery of the cross-shaped pressing tool, a pull rod is arranged on the lower portion of the cross-shaped pressing tool, a ring pressing plate is arranged outside the pull rod, square conical holes are uniformly formed in the pull rod, and conical pin blocks are arranged in the square conical holes.
Furthermore, the conical die correcting sleeve is placed on the base plate in an inverted cone shape, and the conical die correcting sleeve is connected with the base plate in a welding mode.
Furthermore, the supporting plates are uniformly distributed on the circumference of the conical die straightening sleeve and are respectively connected with the conical die straightening sleeve and the base plate in a welding mode.
Furthermore, a hanging ring is arranged at the upper part of the cross-shaped pressing tool.
Furthermore, the annular pressing plate is arranged on the pull rod, and an inner hole of the annular pressing plate is in clearance fit with an outer circle of the pull rod.
Furthermore, the taper pin block is in clearance fit with the square taper hole, and the slope of the square taper hole is the same as or slightly greater than that of the taper pin block.
Furthermore, a through hole is formed in the taper pin block, and the taper pin block can penetrate through the through hole through an iron wire to tie the taper pin block and the pull rod tightly.
Furthermore, the two sides of the conical die correcting sleeve are provided with distance measuring instruments, one sides of the distance measuring instruments are provided with magnet blocks, and the magnet blocks are connected with the distance measuring instruments in a bolted connection or a clamping connection mode.
Furthermore, the upper part of the conical mould correcting sleeve is provided with press blocks which are uniformly distributed on the circumference of the upper end of the conical mould correcting sleeve, and the press blocks are connected with the conical mould correcting sleeve in a bolted connection mode.
The utility model has the advantages that: the utility model holds the conical cylinder piece and the flange through the conical mould correcting sleeve, compresses the conical cylinder piece and the flange through the correcting bolts and the pressing blocks which are evenly distributed on the periphery and adjusts and aligns, welding personnel can assist the correcting bolts to correct through measuring holes by adopting a distance meter, the correcting process is very convenient, then the cross-shaped pressing tool is placed in the conical cylinder piece and is clung to the inner wall of the conical cylinder piece through the slope angle section, the flange is compressed through the ring pressing plate on the pull rod to ensure that the inside of the conical cylinder piece forms a support, symmetrical welding operation can be carried out between the conical cylinder piece and the flange at the moment, the conical cylinder piece and the flange have extremely small deformation when being welded, the labor intensity of the labor personnel is reduced without repeatedly correcting and carrying during the welding process, the pressing blocks are loosened after the conical cylinder piece and the flange are welded, the lifting rings on the cross-shaped pressing tool can integrally lift the conical cylinder piece and the flange to carry out the next hardening and tempering operation, the cross-shaped pressing tool has good supporting performance formed inside the conical barrel part, ensures that the conical barrel part and the flange can smoothly carry out quenching and tempering operation to remove internal stress generated by welding, has simple structure and convenient use, can effectively improve the production efficiency of welding, and has good practicability.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic view of the partial structure of fig. 2 according to the present invention;
fig. 4 is another partial schematic structural view of fig. 2 according to the present invention;
FIG. 5 is a schematic front view of the cross-shaped pressing tool of the present invention;
fig. 6 is a schematic top view of the cross-shaped press of the present invention;
fig. 7 is a schematic front view of the taper pin block of the present invention;
fig. 8 is a schematic right-view appearance diagram of the taper pin block of the present invention;
fig. 9 is a schematic diagram of an embodiment of the invention;
fig. 10 is a schematic perspective view of a heat shield according to the background art of the present invention;
in the figure: 1, a round underframe, 2 a base plate, 21 a middle hole, 3 a conical die correcting sleeve, 31 a supporting plate, 32 a measuring hole, 4 a correcting bolt, 5 a cross-shaped press tool, 51 a slope angle section, 52 a pull rod, 53 a ring pressing plate, 54 a square conical hole, 55 a lifting ring, 6 a conical pin block, 61 a through hole, 7 a distance meter, 71 a magnet block, 8 a pressing block, 9 a conical barrel part and 10 flanges.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
As an example, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the welding auxiliary tool for the heat shield of the annular thin-walled part of the gas turbine is structurally characterized by comprising a round underframe 1, wherein the round underframe 1 is a round frame body welded by a steel structure, a base plate 2 is arranged at the upper part of the round underframe 1, the base plate 2 can be welded and connected with the round underframe 1, the base plate 2 can be round, a middle hole 21 can be arranged in the middle of the base plate 2, the middle hole 21 can be machined on the base plate 2, and the base plate 2 and the middle hole 21 are coaxially arranged. The upper portion of the base plate 2 can be provided with a conical die correcting sleeve 3, the conical die correcting sleeve 3 is made of metal steel, the base plate 2 and the conical die correcting sleeve 3 can be arranged concentrically, the conical die correcting sleeve 3 can be in a conical shape and is placed on the base plate 2 in an inverted mode, and the conical die correcting sleeve 3 is connected with the base plate 2 in a welding mode. The outer part of the conical die straightening sleeve 3 is provided with four supporting plates 31, the supporting plates 31 are uniformly distributed on the periphery of the conical die straightening sleeve 3 to form supports, and the supporting plates 31 are respectively connected with the conical die straightening sleeve 3 and the base plate 2 in a welding mode. The taper die orthopedic sleeve 3 is uniformly drilled with circular measuring holes 32. The conical mould correcting sleeve 3 is also uniformly provided with correcting bolts 4, the correcting bolts 4 are in threaded connection with the conical mould correcting sleeve 3, and the number of the correcting bolts 4 is a plurality of the correcting bolts which are uniformly arranged. A cross-shaped pressing tool 5 is arranged in the conical die orthopedic sleeve 3, a bevel section 51 is arranged on the periphery of the cross-shaped pressing tool 5, the cross-shaped pressing tool 5 can be directly in good contact with the conical barrel part 9 in a copying manner through the bevel section 51, a pull rod 52 is arranged on the lower portion of the cross-shaped pressing tool 5, and the pull rod 52 is connected with the cross-shaped pressing tool 5 in a welding manner; an annular pressing plate 53 is arranged outside the pull rod 52, the annular pressing plate 53 is in an annular ring shape, the annular pressing plate 53 is arranged on the pull rod 52, and an inner hole of the annular pressing plate 53 is in clearance fit with an outer circle of the pull rod 52; the pull rod 52 is uniformly provided with square taper holes 54, the square taper holes 54 are milled on the pull rod 52, the upper part of the cross-shaped pressing tool 5 is provided with a hanging ring 55, and the hanging ring 55 is connected with the cross-shaped pressing tool 5 in a welding way. The cross-shaped pressing tool 5, the slope angle section 51, the pull rod 52, the ring pressing plate 53 and the hanging ring 55 can be made of Fe-Ni-Cr nickel-based precipitation hardening type wrought superalloy with GH2150 which is the same as that of the heat shield. The square taper hole 54 can be internally provided with a taper pin block 6, the taper pin block 6 is in clearance fit with the square taper hole 54, the slope of the square taper hole 54 is the same as or slightly larger than that of the taper pin block 6, and the ring pressing plate 53 can move upwards to form compression after the taper pin block 6 is inserted into the square taper hole 54. The taper pin block 6 is provided with a through hole 61, the taper pin block 6 can pass through the through hole 61 through an iron wire to tie the taper pin block 6 and the pull rod 52 tightly, and the taper pin block 6 is prevented from sliding in the square taper hole 54. The two sides of the conical die correcting sleeve 3 are provided with the distance measuring instruments 7, the distance measuring instruments 7 can adopt a steel tape electronic laser distance measuring instrument or an electronic tape high-precision infrared tape of a thick plate, one side of each distance measuring instrument 7 is provided with the magnet block 71, the magnet block 71 is in bolted connection or clamping connection with the distance measuring instrument 7, the distance measuring instruments 7 can be adsorbed on the conical die correcting sleeve 3 through the magnet block 71, and the distance measuring instruments 7 can be used for measuring the conical cylinder part 9 of the heat insulation screen clamped inside through the measuring holes 32 in the conical die correcting sleeve 3. The upper part of the conical die straightening sleeve 3 is provided with a pressing block 8, the pressing blocks 8 are uniformly distributed on the circumference of the upper end of the conical die straightening sleeve 3, the pressing block 8 is in bolted connection with the conical die straightening sleeve 3, and a conical barrel part 9 of the heat shield can be pressed through the pressing blocks 8 after being placed into the conical die straightening sleeve 3.
In a specific embodiment of the invention, the flange 10 of the heat shield can be placed in the orthopedic taper sleeve 3 and on the base plate 2, and the flange 10 can be concentric with the central bore 21 and the orthopedic taper sleeve 3 by means of the distance measuring device 7 by measuring the orthopedic bolts 4 on the orthopedic taper sleeve 3 and by measuring the bores 32. The outer circumference of the flange 10 is larger than the diameter of the central hole 21, the diameter of the central hole 21 is larger than the inner hole diameter of the flange 10, the outer circumference of the annular pressure plate 53 can be smaller than the diameter of the central hole 21, as shown in fig. 9 and 10, the conical cylinder 9 of the heat shield can be placed in the conical straightening sleeve 3, the conical cylinder 9 can be adjusted concentrically with the flange 10 by the straightening bolts 4 in the conical straightening sleeve 3 and by measuring the holes 32 by means of the distance measuring instrument 7, and the conical cylinder 9 can be pressed by a plurality of pressure blocks 8 on the conical straightening sleeve 3. At the moment, the conical cylinder 9 and the flange 10 are concentric and tightly attached to meet the welding alignment, the cross-shaped pressing tool 5 is placed in the conical cylinder 9, the annular pressing plate 53 on the pull rod 52 of the cross-shaped pressing tool 5 is inserted into the square conical hole 54 through the conical pin block 6, the annular pressing plate 53 and the flange 10 are pressed tightly, and meanwhile, the slope angle sections 51 on the periphery of the cross-shaped pressing tool 5 are tightly attached to the inner wall of the conical cylinder 9 to form pressing. Cross tamp 5 can play the effect of inside support to the heat screen, the outside of heat screen can be supported and briquetting 8 compresses tightly through a plurality of orthopedic bolt 4 on the orthopedic cover 3 of taper die, the outside support nature of heat screen is fabulous, the effectual welding deformation that appears welding the heat screen in-process that has prevented, and simultaneously, cross tamp 5 and heat screen are with material manufacturing, the toper section of thick bamboo spare 9 and the flange 10 of heat screen can the welding back, can carry out the internal stress that thermal treatment eliminated the heat screen with cross tamp 5 is integrative, and is comparatively convenient, improve product welding yield, reduce and warp, welding defects including avoiding the production crackle.
The utility model has the advantages that: the utility model holds the conical cylinder 9 and the flange 10 through the conical mould orthopedic sleeve 3, and compresses the conical cylinder 9 and the flange 10 through the orthopedic bolts 4 and the pressing blocks 8 which are evenly distributed around and adjusts the alignment, the welder can use the distance measuring instrument 7 to assist the orthopedic bolts 4 to correct through the measuring holes 32, the correction process is very convenient, then the cross-shaped pressing tool 5 is placed in the conical cylinder 9 and is clung to the inner wall of the conical cylinder 9 through the slope angle section 51, and the flange 10 is compressed through the ring pressing plate 53 on the pull rod 52 to form a support inside the conical cylinder 9, at the moment, the symmetrical welding operation can be carried out between the conical cylinder 9 and the flange 10, the deformation of the conical cylinder 9 and the flange 10 is extremely small when welding, the welding process personnel do not need to repeatedly correct and carry to reduce the labor intensity of the laborers, the briquetting 8 is loosened to toper section of thick bamboo 9 and flange 10 welding back, rings 55 through cross tamp 5 can hang out toper section of thick bamboo 9 and flange 10 an organic whole and carry out the quenching and tempering operation that follows, cross tamp 5 is good at the inside support nature that forms of toper section of thick bamboo 9, guarantee that toper section of thick bamboo 9 and flange 10 can be smooth carry out the quenching and tempering operation and remove the internal stress that the welding produced, this device simple structure, high durability and convenient use, can make the effectual improvement that obtains of welded production efficiency, and the practicality is good.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.
Claims (9)
1. The utility model provides a heat shield welding auxiliary fixtures of gas turbine annular thin wall part which characterized in that: the device comprises a round underframe, wherein a base plate is arranged at the upper part of the round underframe, a middle hole is formed in the middle of the base plate, a conical die correcting sleeve is arranged at the upper part of the base plate, the base plate and the conical die correcting sleeve are concentrically arranged, a supporting plate is arranged outside the conical die correcting sleeve, measuring holes are uniformly formed in the conical die correcting sleeve, correcting bolts are uniformly arranged on the conical die correcting sleeve, a cross-shaped pressing tool is arranged in the conical die correcting sleeve, a slope angle section is arranged on the periphery of the cross-shaped pressing tool, a pull rod is arranged at the lower part of the cross-shaped pressing tool, a ring pressing plate is arranged outside the pull rod, square conical holes are uniformly formed.
2. The auxiliary welding tool for the heat shield of the annular thin-wall part of the gas turbine as claimed in claim 1, wherein the auxiliary welding tool comprises: the conical die correcting sleeve is placed on the base plate in an inverted cone shape, and the conical die correcting sleeve is connected with the base plate in a welding mode.
3. The auxiliary welding tool for the heat shield of the annular thin-wall part of the gas turbine as claimed in claim 1, wherein the auxiliary welding tool comprises: the supporting plates are uniformly distributed on the circumference of the conical die straightening sleeve and are respectively connected with the conical die straightening sleeve and the base plate in a welding mode.
4. The auxiliary welding tool for the heat shield of the annular thin-wall part of the gas turbine as claimed in claim 1, wherein the auxiliary welding tool comprises: and a hanging ring is arranged at the upper part of the cross-shaped pressing tool.
5. The auxiliary welding tool for the heat shield of the annular thin-wall part of the gas turbine as claimed in claim 1, wherein the auxiliary welding tool comprises: the annular pressing plate is arranged on the pull rod, and an inner hole of the annular pressing plate is in clearance fit with an outer circle of the pull rod.
6. The auxiliary welding tool for the heat shield of the annular thin-wall part of the gas turbine as claimed in claim 1, wherein the auxiliary welding tool comprises: the taper pin block is in clearance fit with the square taper hole, and the slope of the square taper hole is the same as or slightly larger than that of the taper pin block.
7. The auxiliary welding tool for the heat shield of the annular thin-wall part of the gas turbine as claimed in claim 1, wherein the auxiliary welding tool comprises: the taper pin block is provided with a through hole, and the taper pin block can penetrate through the through hole through an iron wire to tie the taper pin block and the pull rod tightly.
8. The auxiliary welding tool for the heat shield of the annular thin-wall part of the gas turbine as claimed in claim 1, wherein the auxiliary welding tool comprises: the two sides of the conical die correcting sleeve are provided with distance measuring instruments, one sides of the distance measuring instruments are provided with magnet blocks, and the magnet blocks are in bolted connection or clamping connection with the distance measuring instruments.
9. The auxiliary welding tool for the heat shield of the annular thin-wall part of the gas turbine as claimed in claim 1, wherein the auxiliary welding tool comprises: the upper part of the conical die orthopedic sleeve is provided with press blocks, the press blocks are uniformly distributed on the circumference of the upper end of the conical die orthopedic sleeve, and the press blocks are connected with the conical die orthopedic sleeve in a bolted connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022262313.8U CN213289152U (en) | 2020-10-13 | 2020-10-13 | Heat shield welding auxiliary tool for annular thin-wall part of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022262313.8U CN213289152U (en) | 2020-10-13 | 2020-10-13 | Heat shield welding auxiliary tool for annular thin-wall part of gas turbine |
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| Publication Number | Publication Date |
|---|---|
| CN213289152U true CN213289152U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022262313.8U Active CN213289152U (en) | 2020-10-13 | 2020-10-13 | Heat shield welding auxiliary tool for annular thin-wall part of gas turbine |
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| CN (1) | CN213289152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427301A (en) * | 2021-07-16 | 2021-09-24 | 北京新风航天装备有限公司 | Semi-automatic profile modeling of toper cabin body supports frock |
| CN115302046A (en) * | 2022-07-29 | 2022-11-08 | 中国航发哈尔滨东安发动机有限公司 | Continuous welding tool based on argon arc welding |
-
2020
- 2020-10-13 CN CN202022262313.8U patent/CN213289152U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427301A (en) * | 2021-07-16 | 2021-09-24 | 北京新风航天装备有限公司 | Semi-automatic profile modeling of toper cabin body supports frock |
| CN115302046A (en) * | 2022-07-29 | 2022-11-08 | 中国航发哈尔滨东安发动机有限公司 | Continuous welding tool based on argon arc welding |
| CN115302046B (en) * | 2022-07-29 | 2023-11-24 | 中国航发哈尔滨东安发动机有限公司 | Continuous welding tool based on argon arc welding |
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