CN113878280B - Welding deformation preventing device for large megawatt rotor cone - Google Patents
Welding deformation preventing device for large megawatt rotor cone Download PDFInfo
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- CN113878280B CN113878280B CN202111106372.9A CN202111106372A CN113878280B CN 113878280 B CN113878280 B CN 113878280B CN 202111106372 A CN202111106372 A CN 202111106372A CN 113878280 B CN113878280 B CN 113878280B
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- ring flange
- cone
- plate
- flange
- inner ring
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- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding deformation preventing device for a large megawatt rotor cone, which comprises an upper pressing body, a lower supporting body, a plurality of inner supporting frames and a plurality of outer supporting frames, wherein the cone is arranged between the upper pressing body and the upper surface of the lower supporting body, the inner supporting frames are uniformly arranged at the inner ring of the cone, and the outer supporting frames are uniformly arranged at the outer ring of the cone; the flange plate is arranged on the winding edge of the cone inner ring, and the upper surface and the lower surface of the flange plate, which are close to the edge of the cone inner ring, are fixedly connected with flange reinforcing rings respectively. The invention is particularly suitable for assembling and welding the large megawatt rotor cone, can effectively prevent deformation of the large-volume cone and the flange plate caused by welding stress during welding while ensuring the assembling efficiency and the welding efficiency, and improves the welding yield of weldments.
Description
Technical Field
The invention relates to the field of welding of large megawatt rotor house cones, in particular to a welding deformation preventing device for a large megawatt rotor house cone.
Background
When the rotor house cone and the flange plate are welded, a welding tool is needed. In the welding process of the existing welding tool, the volume of the cone is overlarge, particularly for the cone of a large megawatt rotor room with the volume of more than 10MW, the cone and the flange plate are required to be welded with long welding lines, so that great welding stress can be generated. If the cone and the flange are not subjected to welding deformation control, the cone is deformed, and additional shaping is needed in the later stage, so that the overall machining efficiency of the rotor is low, and even the whole weldment can be scrapped due to deformation caused by welding stress in the welding process, so that great cost loss is caused.
Disclosure of Invention
In order to overcome the defects, the invention provides a welding deformation preventing device for a large megawatt rotor cone.
The welding deformation preventing device for the large megawatt rotor cone comprises an upper pressing body, a lower supporting body, a plurality of inner supporting frames and a plurality of outer supporting frames, wherein the upper pressing body is arranged on the lower supporting body, a cone is arranged between the upper pressing body and the lower supporting body, the inner supporting frames are uniformly arranged at the inner ring of the cone, and the outer supporting frames are uniformly arranged at the outer ring of the cone; the upper pressing body comprises a first outer ring flange and a first inner ring flange, a plurality of first wedge plates are uniformly and fixedly connected between the first outer ring flange and the first inner ring flange around the circumference, and a first reinforcing rib plate is fixedly connected between two adjacent first wedge plates; the lower support body comprises a second outer ring flange and a second inner ring flange, a plurality of second wedge plates corresponding to the first wedge plates in position are fixedly connected between the second outer ring flange and the second inner ring flange, and a second reinforcing rib plate is fixedly connected between the two adjacent second wedge plates; the top parts of the first outer ring flange and the first inner ring flange are fixedly connected with a plurality of welding plates around the circumference; the flange plate is arranged at the winding edge of the cone inner ring, and the upper surface and the lower surface of the flange plate, which are close to the cone inner ring edge, are fixedly connected with flange reinforcing rings respectively; the outer support frame comprises a first support rod and a first support plate, one end of the first support plate is fixedly connected with the first support rod, and the other end of the first support plate is contacted with the welding vehicle plate; the inner support frame comprises a second support rod, a third support rod and a second support plate, one end of the second support plate is fixedly connected with the second support rod, the other end of the second support plate is in contact with the top surface of the flange, the third support rod directly supports the bottom surface of the flange, and screw holes are formed in the first support plate and the second support plate.
In a preferred embodiment of the invention, the first outer ring flange has a greater height than the second outer ring flange, and the second inner ring flange has a greater height than the first inner ring flange, but the first outer ring flange and the second outer ring flange have the same height as the second inner ring flange and the first inner ring flange.
According to a preferred scheme of the invention, the slope of the inclined edges of the first wedge-shaped plate and the second wedge-shaped plate are the same in size and opposite in direction.
According to the preferred scheme, the first outer ring flange and the second outer ring flange are uniformly fixed with a plurality of lifting lugs.
According to a preferred scheme of the invention, a screw is arranged in the screw hole.
According to a preferred scheme of the invention, through holes are formed in the surfaces of the second wedge-shaped plate and the second reinforcing rib plate.
In a preferred embodiment of the present invention, the oblique side of the second wedge plate is engaged with the inner surface of the cone, and the oblique side of the first wedge plate is engaged with the outer surface of the cone
The beneficial effects of the invention are as follows:
according to the invention, the upper pressing body and the lower supporting body are arranged, and the flange welded by the cone is also fixed in a contact manner, so that the assembly efficiency and the welding efficiency are ensured, the deformation of the cone and the flange caused by the welding stress during welding can be effectively prevented, and the welding yield of a weldment is improved. Particularly for cone welding of a large megawatt rotor house, the disposable qualification rate of the welding line is more than 98% after the invention is adopted. And the deformation is not generated, so that the shaping step is saved, and the processing efficiency of the whole rotor is further improved.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a sectional view taken along the direction A of FIG. 2;
wherein: the welding machine comprises an upper pressing body 1, a lower supporting body 2, a cone 3, a first supporting rod 4, a first supporting plate 5, screw holes 6, lifting lugs 7, a welding plate 8, an outer supporting frame 9, a third supporting rod 10, a second supporting rod 11, a second supporting plate 12, a flange reinforcing ring 13, a flange plate 14, an inner supporting frame 15, a second outer ring flange 16, a first outer ring flange 17, a second wedge plate 18, a second inner ring flange 19, a first inner ring flange 20, a first wedge plate 21, through holes 22 and a second reinforcing rib plate 23.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating the basic structure of the present invention by way of illustration only, and thus show only the constitution related to the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, the connection between the two elements may be internal, the fixed connection may be welding, cementing, etc., and it is understood that the specific meaning of the terms in the present invention will be specific to those skilled in the art.
The welding deformation preventing device for the large megawatt rotor cone shown in the figures 1-3 comprises an upper pressing body 1, a lower supporting body 2, a plurality of inner supporting frames 15 and a plurality of outer supporting frames 9, wherein the upper pressing body 1 is arranged on the lower supporting body 2, a cone 3 is arranged between the upper pressing body 1 and the lower supporting body 2, the inner supporting frames 15 are uniformly arranged on the inner ring of the cone 3 at intervals, and the outer supporting frames 9 are uniformly arranged on the outer ring of the cone 3 at intervals; the cone 3 can improve the assembly speed and the welding efficiency through the cooperation of each component of the upper pressing body 1, the lower supporting body 2, the outer supporting frame 9 and the inner supporting frame 15, and can control the deformation of the cone 3 and the flange plate 14 during welding and improve the welding precision of weldments through the supporting and the binding pressing of each component even if the cone is large in size.
The upper pressing body 1 comprises a first outer ring flange 17 and a first inner ring flange 20, a plurality of first wedge plates 21 are uniformly and fixedly connected between the first outer ring flange 17 and the first inner ring flange 20 around the circumference, and a first reinforcing rib plate is fixedly connected between every two adjacent first wedge plates 21; the lower support body 2 comprises a second outer ring flange 16 and a second inner ring flange 19, a plurality of second wedge plates 18 corresponding to the first wedge plates 21 in position are fixedly connected between the second outer ring flange 16 and the second inner ring flange 19, and a second reinforcing rib plate 23 is fixedly connected between the two adjacent second wedge plates 18; the cone 3 is placed on the lower support body 2, the inclined edge of the second wedge-shaped plate 18 is meshed with the inner surface of the cone 3, the inner surface of the cone 3 is supported by the second wedge-shaped plate 18, and the supporting strength of the second wedge-shaped plate 18 is improved by the second reinforcing rib plate; after the placement is finished, the upper pressing body 1 is covered, the bevel edge of the first wedge-shaped plate 21 is meshed with the outer surface of the cone 3, the outer surface of the cone 3 is pressed by the first wedge-shaped plate 21, and then the pressing strength of the first wedge-shaped plate 21 is improved by the first reinforcing rib plate; the deformation of the cone 3 upon re-welding can be controlled by the upper press body 1 and the lower support body 2.
The top of the first outer ring flange 17 and the top of the first inner ring flange 20 are fixedly connected with a plurality of welding lathe plates 8 around the circumference; set up and weld sweep 8, and then can set up the welding dolly on welding sweep 8, improve the welding efficiency to cone 3 welded.
The flange plate 14 is arranged at the inner ring winding edge of the cone 3, and the upper surface and the lower surface of the flange plate 14, which are close to the inner ring edge of the cone 3, are fixedly connected with the flange reinforcing rings 13 respectively; through setting up ring flange 14 and flange strengthening ring 13, can play good supporting effect to ring flange 14, and then with go up pressfitting body 1 and lower support body 2 cooperation back, control cone 3 and ring flange 14 deformation when the welding, improve the welding precision of weldment.
The outer support frame 9 comprises a first support rod 4 and a first support plate 5, one end of the first support plate 5 is fixedly connected with the first support rod 4, and the other end of the first support plate is contacted with the welding carriage plate 8; the outer supporting frame 9 is arranged, so that the upper pressing body 1 and the lower supporting body 2 can be combined more tightly, and the cone 3 is prevented from deforming during welding.
The inner supporting frame 15 comprises a second supporting rod 11, a third supporting rod 10 and a second supporting plate 12, one end of the second supporting plate 12 is fixedly connected with the second supporting rod 11, the other end of the second supporting plate is contacted with the top surface of the flange 14, the third supporting rod 10 directly supports the bottom surface of the flange 14, and screw holes 6 are formed in the first supporting plate 5 and the second supporting plate 12; the inner support 15 is arranged to prevent the flange 14 from moving and the inner ring edge of the cone 3 from deforming; screw rods are arranged in screw holes 6 of the outer support frame 9 and the inner support frame 15, and then the tightness of the combination of the upper pressing body 1 and the lower support body 2 can be adjusted by tightening the screw rods, and the better fixing effect on the flange plate 14 is achieved.
The first outer ring flange 17 is higher than the second outer ring flange 16, and the second inner ring flange 19 is higher than the first inner ring flange 20, but the heights of the first outer ring flange 17 and the second outer ring flange 16 are the same as the sum of the heights of the second inner ring flange 19 and the first inner ring flange 20; and then can guarantee that upper pressfitting body 1 and lower support body 2 can closely combine, play fine support to cone 3 and prevent the deformation when cone 3 welds.
The slope of the sloping sides of the first wedge-shaped plate 21 and the second wedge-shaped plate 18 are the same in size and opposite in direction; the cone 3 can then be adapted to prevent deformation of the cone 3 during welding.
A plurality of lifting lugs 7 are uniformly fixed on the first outer ring flange 17 and the second outer ring flange 16, and the lifting lugs 7 are arranged to be convenient to install and detach.
The surfaces of the second wedge plate 18 and the second reinforcing rib plate are provided with through holes 22; because cone 3 weight is too big, place on lower support body 2, set up behind the through-hole 22, can be better carry out stress relief to second wedge plate 18 and second deep floor 23, prevent that stress concentration from leading to the fracture.
The present invention has been made in view of the above-described circumstances, and it is an object of the present invention to provide a portable electronic device capable of performing various changes and modifications without departing from the scope of the technical spirit of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. The utility model provides a large megawatt rotor cone prevent welding deformation device which characterized in that: the device comprises an upper pressing body (1), a lower supporting body (2), a plurality of inner supporting frames (15) and a plurality of outer supporting frames (9), wherein the upper pressing body (1) is arranged on the lower supporting body (2), a cone (3) is arranged between the upper pressing body and the lower supporting body (2), the inner supporting frames (15) are uniformly arranged at the inner ring of the cone (3) at intervals, and the outer supporting frames (9) are uniformly arranged at the outer ring of the cone (3) at intervals; the upper pressing body (1) comprises a first outer ring flange (17) and a first inner ring flange (20), a plurality of first wedge plates (21) are uniformly and fixedly connected between the first outer ring flange (17) and the first inner ring flange (20) around the circumference, and a first reinforcing rib plate is fixedly connected between every two adjacent first wedge plates (21); the lower support body (2) comprises a second outer ring flange (16) and a second inner ring flange (19), a plurality of second wedge plates (18) corresponding to the first wedge plates (21) in position are fixedly connected between the second outer ring flange (16) and the second inner ring flange (19), and a second reinforcing rib plate (23) is fixedly connected between the two adjacent second wedge plates (18); the tops of the first outer ring flange (17) and the first inner ring flange (20) are fixedly connected with a plurality of welding lathe plates (8) around the circumference; a flange (14) is arranged at the edge of the inner ring of the cone (3), and flange reinforcing rings (13) are fixedly connected to the upper and lower surfaces of the flange (14) close to the edge of the inner ring of the cone (3); the outer support frame (9) comprises a first support rod (4) and a first support plate (5), one end of the first support plate (5) is fixedly connected with the first support rod (4), and the other end of the first support plate is contacted with the welding vehicle plate (8); the inner support frame (15) comprises a second support rod (11), a third support rod (10) and a second support plate (12), one end of the second support plate (12) is fixedly connected with the second support rod (11), the other end of the second support plate is contacted with the top surface of the flange plate (14), the third support rod (10) directly supports the bottom surface of the flange plate (14), and screw holes (6) are formed in the first support plate (5) and the second support plate (12).
2. The welding deformation preventing device for a large megawatt rotor cone according to claim 1, wherein: the first outer ring flange (17) is higher than the second outer ring flange (16), and the second inner ring flange (19) is higher than the first inner ring flange (20), but the heights of the first outer ring flange (17) and the second outer ring flange (16) are the same as the sum of the heights of the second inner ring flange (19) and the first inner ring flange (20).
3. The welding deformation preventing device for a large megawatt rotor cone according to claim 1, wherein: the slope of the inclined sides of the first wedge-shaped plate (21) and the second wedge-shaped plate (18) are the same in size and opposite in direction.
4. The welding deformation preventing device for a large megawatt rotor cone according to claim 1, wherein: a plurality of lifting lugs (7) are uniformly fixed on the first outer ring flange (17) and the second outer ring flange (16).
5. The welding deformation preventing device for a large megawatt rotor cone according to claim 1, wherein: a screw rod is arranged in the screw hole (6).
6. The welding deformation preventing device for a large megawatt rotor cone according to claim 1, wherein: through holes (22) are formed in the surfaces of the second wedge-shaped plate (18) and the second reinforcing rib plate.
7. The welding deformation preventing device for a large megawatt rotor cone according to claim 1, wherein: the bevel edge of the second wedge-shaped plate (18) is meshed with the inner surface of the cone (3), and the bevel edge of the first wedge-shaped plate (21) is meshed with the outer surface of the cone (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106372.9A CN113878280B (en) | 2021-09-22 | 2021-09-22 | Welding deformation preventing device for large megawatt rotor cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106372.9A CN113878280B (en) | 2021-09-22 | 2021-09-22 | Welding deformation preventing device for large megawatt rotor cone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113878280A CN113878280A (en) | 2022-01-04 |
| CN113878280B true CN113878280B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111106372.9A Active CN113878280B (en) | 2021-09-22 | 2021-09-22 | Welding deformation preventing device for large megawatt rotor cone |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203696351U (en) * | 2013-12-25 | 2014-07-09 | 长治清华机械厂 | Locking cylinder welding deformation control tool |
| CN106975896A (en) * | 2017-05-05 | 2017-07-25 | 江苏振江新能源装备股份有限公司 | The production method in 6MW wind-powered electricity generation rotors room |
| CN207522142U (en) * | 2017-08-01 | 2018-06-22 | 江阴市惠尔信精密装备股份有限公司 | For processing the tooling of aerogenerator stator disk |
| CN109570868A (en) * | 2018-12-17 | 2019-04-05 | 杭州杭氧低温液化设备有限公司 | A kind of anti-deformation device of liquid nitrogen machine flange disk |
| CN112145361A (en) * | 2020-10-09 | 2020-12-29 | 江苏振江新能源装备股份有限公司 | Universal rotor room cone assembling mechanism |
-
2021
- 2021-09-22 CN CN202111106372.9A patent/CN113878280B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203696351U (en) * | 2013-12-25 | 2014-07-09 | 长治清华机械厂 | Locking cylinder welding deformation control tool |
| CN106975896A (en) * | 2017-05-05 | 2017-07-25 | 江苏振江新能源装备股份有限公司 | The production method in 6MW wind-powered electricity generation rotors room |
| CN207522142U (en) * | 2017-08-01 | 2018-06-22 | 江阴市惠尔信精密装备股份有限公司 | For processing the tooling of aerogenerator stator disk |
| CN109570868A (en) * | 2018-12-17 | 2019-04-05 | 杭州杭氧低温液化设备有限公司 | A kind of anti-deformation device of liquid nitrogen machine flange disk |
| CN112145361A (en) * | 2020-10-09 | 2020-12-29 | 江苏振江新能源装备股份有限公司 | Universal rotor room cone assembling mechanism |
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| CN113878280A (en) | 2022-01-04 |
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Address after: 214400 No. 2608, Zhencheng Road, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: JIANGSU ZHENJIANG NEW ENERGY EQUIPMENT Co.,Ltd. Address before: No. 28, Jiangshi Road, Lingang street, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGSU ZHENJIANG NEW ENERGY EQUIPMENT Co.,Ltd. |