CN204867941U - Assembly welding equipment of curved surface apron - Google Patents
Assembly welding equipment of curved surface apron Download PDFInfo
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- CN204867941U CN204867941U CN201520597029.2U CN201520597029U CN204867941U CN 204867941 U CN204867941 U CN 204867941U CN 201520597029 U CN201520597029 U CN 201520597029U CN 204867941 U CN204867941 U CN 204867941U
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- 238000003466 welding Methods 0.000 title claims abstract description 102
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000931705 Cicada Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Abstract
The utility model discloses an assembly welding equipment of curved surface apron. Wherein, this equipment includes: first surface profile modeling module, second curved surface profile modeling module and take the base on inclined plane, first profile modeling module and the concatenation of second profile modeling module are as an organic whole, arrange cushion cap, first surface board and second curved plate in first profile modeling module and second profile modeling module, accomplish the tack weld, form the middle curved surface part of preliminary curved surface apron, the base is connected with first profile modeling module or second profile modeling module, first profile modeling module or second profile modeling module are arranged in to the middle curved surface part of preliminary curved surface apron, accomplish the assembly welding of the middle curved surface part of curved surface apron, arrange this centre curved surface part in first profile modeling module and second profile modeling module, accomplish the straight partial assembly welding in both ends of curved surface apron. The utility model provides a be difficult to to satisfy the technical problem of requirements such as required equipment required precision height of curved surface apron, welding seam both sides welding, horizontal welding among the prior art.
Description
Technical field
The utility model relates to technical field of vehicle, particularly relates to a kind of welding device of curved surface cover plate.
Background technology
At vehicular field, roller bearing adapter stabilizer bar welded type framework is made up of crossbeam and curb girder.Wherein, curb girder is made up of upper and lower cover plate, web and dividing plate etc.Cover plate is generally formed by multiple structural member assembly welding, and curb girder cover plate is typical component wherein.
Current railway goods train bogie welded type framework cover plate is generally flat construction, adopts two sections of butt weld structures, as depicted in figs. 1 and 2.Adopt straight clamping based on fixed station position formula assembly-welding device by first dull and stereotyped 1 and second dull and stereotyped 2 during assembling, be easy to ensure horizontal welding during weld seam welding.Along with the research and development of the products such as rapid speed freight car bogie, welded type framework cover plate adopts curved design, is the structure of five sections of four two-sided butt welds, as shown in Figure 3 and Figure 4.Cushion cap 3, the straight plate 6 of first surface plate 4, second curved slab 5, first and the second straight plate 7 adopt two-sided assembly welding.According to fixed station position formula assembly-welding device and the assembly welding technique weld curve cover plate of routine, be difficult to the assembly precision met needed for curved surface cover plate and require the requirement such as height, weld seam welding by both sides, horizontal welding.
Utility model content
The utility model embodiment, by providing a kind of welding device of curved surface cover plate, solves in prior art and is difficult to the assembly precision met needed for curved surface cover plate and requires the technical problem that height, weld seam welding by both sides, horizontal welding etc. require.
The utility model embodiment provides a kind of welding device of curved surface cover plate, comprising: the pedestal on first surface profiling module, the second curved surface profiling module and band inclined-plane; Described first surface profiling module and described second curved surface profiling module are detachably spliced into one, jointly complete the profiling of the median curved surface part of curved surface cover plate; Cushion cap, first surface plate and the second curved slab are placed in described first surface profiling module and described second curved surface profiling module, complete described cushion cap, tack welding between described first surface plate and described second curved slab, form the median curved surface part of preliminary curved surface cover plate;
The pedestal on described band inclined-plane and described first surface profiling module or described second curved surface profiling module is detachable is connected, make the contoured portion of described first surface profiling module or described second curved surface profiling module upwards; The median curved surface part of described preliminary curved surface cover plate is placed in the contoured portion of described first surface profiling module or described second curved surface profiling module, make the weld joint on inner side also maintenance level of described cushion cap and the outer side weld maintenance level of described first surface plate, described cushion cap and described second curved slab, and complete the assembly welding of the median curved surface part of described curved surface cover plate;
The median curved surface part of described curved surface cover plate is placed in described first surface profiling module and described second curved surface profiling module, completes the assembly welding of the two ends straight portion of described curved surface cover plate.
Further, also comprise: reinforcement; First surface plate in the median curved surface part of the described preliminary curved surface cover plate of described reinforcement connection and the second curved slab.
Further, also comprise: the first straight module and the second straight module; Described first straight module and the detachable splicing of described first surface profiling module; Described second straight module and the detachable splicing of described second curved surface profiling module; The median curved surface part of described curved surface cover plate is placed in described first surface profiling module and described second curved surface profiling module, first straight plate is welded in described first straight module and described first surface profiling module with described first surface plate, second straight plate is welded with described second curved slab in described second straight module and described second curved surface profiling module, completes the assembly welding of the two ends straight portion of described curved surface cover plate.
Further, also comprise: base; Described first surface profiling module, described second curved surface profiling module, the pedestal on described band inclined-plane, described first straight module and described second straight module are all detachably arranged on described base.
The one or more technical schemes provided in the utility model embodiment, at least have following technique effect or advantage:
1, jointly completed the profiling of the median curved surface part of curved surface cover plate by first surface profiling module and the second curved surface profiling module, realize the profiling assembling of the median curved surface part of curved surface cover plate, form the median curved surface part of preliminary curved surface cover plate.Again by pedestal and the first surface profiling module on band inclined-plane or the second curved surface profiling module is detachable is connected, make the contoured portion of first surface profiling module or the second curved surface profiling module upwards, and by the median curved surface part single head clamping of preliminary curved surface cover plate, complete horizontal welding and the welding by both sides of each butt weld in the median curved surface part of preliminary curved surface cover plate, realize the assembly welding of the median curved surface part of curved surface cover plate.Finally the median curved surface part of curved surface cover plate is placed in first surface profiling module and the second curved surface profiling module, realizes the assembly welding of the two ends straight portion of curved surface cover plate, thus complete the assembly welding of curved surface cover plate.Due to the utility model embodiment adopt first curved surface after flat face, first in the middle of after the order at two ends carry out assembling and welding, namely the assembly welding of required precision and all higher median curved surface part of assembly welding difficulty is first completed, complete the assembly welding of required precision and all lower two ends straight portion of assembly welding difficulty again, thus ensure that the assembly precision of curved surface cover plate.
In sum, the utility model embodiment solves in prior art and is difficult to the assembly precision met needed for curved surface cover plate and requires the technical problem that height, weld seam welding by both sides, horizontal welding etc. require.
2, reinforcement is connected the first surface plate in the median curved surface part of preliminary curved surface cover plate and the second curved slab, first surface plate and the second curved slab are fixed, add the structural strength of the median curved surface part of preliminary curved surface cover plate, thus further increasing the assembly welding precision of curved surface cover plate.
3, the assembly in the utility model embodiment all with the assembling of detachable form, stopping production stand-by period detachable coming deposit respectively, not only deposit conveniently, but also save parking space.
Accompanying drawing explanation
Fig. 1 is the front view of the welded type framework cover plate of flat construction in prior art;
Fig. 2 is the top view of the welded type framework cover plate of flat construction in prior art;
Fig. 3 is the front view of the welded type framework cover plate of prior art mean camber structure;
Fig. 4 is the top view of the welded type framework cover plate of prior art mean camber structure;
First use schematic diagram of the welding device of the curved surface cover plate that Fig. 5 provides for the utility model embodiment one;
Second use schematic diagram of the welding device of the curved surface cover plate that Fig. 6 provides for the utility model embodiment one;
Fig. 7 to carry out the flow chart of assembly welding for the welding device of curved surface cover plate that provided by the utility model embodiment one to curved surface cover plate.
Wherein, 1-first is dull and stereotyped, and 2-second is dull and stereotyped, 3-cushion cap, 4-first surface plate, 5-second curved slab, 6-first is straight plate, 7-second is straight plate, 8-first surface profiling module, 9-second curved surface profiling module, 10-is with the pedestal on inclined-plane, 11-reinforcement, module that 12-first is straight, module that 13-second is straight, 14-base, 15-bolt.
Detailed description of the invention
The utility model embodiment, by providing a kind of welding device of curved surface cover plate, solves in prior art and is difficult to the assembly precision met needed for curved surface cover plate and requires the technical problem that height, weld seam welding by both sides, horizontal welding etc. require.
Technical scheme in the utility model embodiment is for solving the problems of the technologies described above, and general thought is as follows:
Jointly completed the profiling of the median curved surface part of curved surface cover plate by first surface profiling module and the second curved surface profiling module, realize the profiling assembling of the median curved surface part of curved surface cover plate, form the median curved surface part of preliminary curved surface cover plate.Again by pedestal and the first surface profiling module on band inclined-plane or the second curved surface profiling module is detachable is connected, make the contoured portion of first surface profiling module or the second curved surface profiling module upwards, and by the median curved surface part single head clamping of preliminary curved surface cover plate, complete horizontal welding and the welding by both sides of each butt weld in the median curved surface part of preliminary curved surface cover plate, realize the assembly welding of the median curved surface part of curved surface cover plate.Finally the median curved surface part of curved surface cover plate is placed in first surface profiling module and the second curved surface profiling module, realizes the assembly welding of the two ends straight portion of curved surface cover plate, thus complete the assembly welding of curved surface cover plate.
Due to the utility model embodiment adopt first curved surface after flat face, first in the middle of after the order at two ends carry out assembling and welding, namely the assembly welding of required precision and all higher median curved surface part of assembly welding difficulty is first completed, complete the assembly welding of required precision and all lower two ends straight portion of assembly welding difficulty again, thus ensure that the assembly precision of curved surface cover plate.
In sum, the utility model embodiment solves in prior art and is difficult to the assembly precision met needed for curved surface cover plate and requires the technical problem that height, weld seam welding by both sides, horizontal welding etc. require.
In order to understand technique scheme better, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Embodiment one
See Fig. 5 and Fig. 6, the welding device of the curved surface cover plate that the utility model embodiment provides, comprising: the pedestal 10 on first surface profiling module 8, second curved surface profiling module 9 and band inclined-plane; First surface profiling module 8 and the second curved surface profiling module 9 are detachably spliced into one, jointly complete the profiling of the median curved surface part of curved surface cover plate; Cushion cap 3, first surface plate 4 and the second curved slab 5 are placed in first surface profiling module 8 and the second curved surface profiling module 9, complete cushion cap 3, tack welding between first surface plate 4 and the second curved slab 5, form the median curved surface part of preliminary curved surface cover plate;
Pedestal 10 with inclined-plane and first surface profiling module 8 or the second curved surface profiling module 9 is detachable is connected, make the contoured portion of first surface profiling module 8 or the second curved surface profiling module 9 upwards; The median curved surface part of preliminary curved surface cover plate is placed in the contoured portion of first surface profiling module 8 or the second curved surface profiling module 9, make the weld joint on inner side also maintenance level of the outer side weld maintenance level of cushion cap 3 and first surface plate 4, cushion cap 3 and the second curved slab 5, and complete the assembly welding of the median curved surface part of curved surface cover plate;
The median curved surface part of curved surface cover plate is placed in first surface profiling module 8 and the second curved surface profiling module 9, completes the assembly welding of the two ends straight portion of curved surface cover plate.
In order to the first surface plate 4 in the median curved surface part to preliminary curved surface cover plate and the second curved slab 5 are fixed, thus improve the assembly welding precision of curved surface cover plate, also comprise: reinforcement 11; Reinforcement 11 connects first surface plate 4 in the median curved surface part of preliminary curved surface cover plate and the second curved slab 5.
The structure of the equipment that the utility model embodiment provides is described, also comprises: the first straight module 12 and the second straight module 13; The splicing that first straight module 12 is detachable with first surface profiling module 8; Second straight module 13 and the detachable splicing of the second curved surface profiling module 9; The median curved surface part of curved surface cover plate is placed in first surface profiling module 8 and the second curved surface profiling module 9, first straight plate 6 is welded in the first straight module 12 and first surface profiling module 8 with first surface plate 4, second straight plate 7 is welded with the second curved slab 5 in the second straight module 13 and the second curved surface profiling module 9, completes the assembly welding of the two ends straight portion of curved surface cover plate.
Further the structure of the equipment that the utility model embodiment provides is described, also comprises: base 14; The straight module 12 of pedestal 10, first and the second straight module 13 on first surface profiling module 8, second curved surface profiling module 9, band inclined-plane are all detachably arranged on base 14.
In the present embodiment, base 14 is loose structure, base 14 with first surface profiling module 8, second curved surface profiling module 9, be with the straight module 12 of pedestal 10, first on inclined-plane and the second straight module 13 to be connected by bolt 15, thus be convenient to first surface profiling module 8, second curved surface profiling module 9, the band straight module 12 of pedestal 10, first on inclined-plane and the handling of the second straight module 13.
Embodiment two
See Fig. 7, the welding device of the curved surface cover plate provided by the utility model embodiment is comprised the step that curved surface cover plate carries out assembly welding:
Step S110: first surface profiling module 8 and the second curved surface profiling module 9 are detachably spliced into one, jointly complete the profiling of the median curved surface part of curved surface cover plate; Cushion cap 3, first surface plate 4 and the second curved slab 5 are placed in first surface profiling module 8 and the second curved surface profiling module 9, complete cushion cap 3, tack welding between first surface plate 4 and the second curved slab 5, form the median curved surface part of preliminary curved surface cover plate;
In this step, can first cushion cap 3 be hung in first surface profiling module 8 and the second curved surface profiling module 9, location clamping; Assemble first surface plate 4 again, clamp after aliging with cushion cap 3 joint.Use the same method assembling second curved slab 5 again; Weldering is positioned to two interfaces between cushion cap 3 and first surface plate 4, second curved slab 5, forms the median curved surface part of preliminary curved surface cover plate.
Step S120: first surface profiling module 8 and the second curved surface profiling module 9 are split;
Step S130: by pedestal 10 and the first surface profiling module 8 on band inclined-plane or the second curved surface profiling module 9 is detachable is connected, makes the contoured portion of first surface profiling module 8 or the second curved surface profiling module 9 upwards; The median curved surface part of preliminary curved surface cover plate is placed in the contoured portion of first surface profiling module 8 or the second curved surface profiling module 9, make the weld joint on inner side also maintenance level of the outer side weld maintenance level of cushion cap 3 and first surface plate 4, cushion cap 3 and the second curved slab 5, and complete the assembly welding of the median curved surface part of curved surface cover plate;
Wherein, the concrete steps completing the assembly welding of the median curved surface part of curved surface cover plate comprise:
Horizontal welding is carried out to the outer side weld of cushion cap 3 and first surface plate 4;
Horizontal welding is carried out to the weld joint on inner side of cushion cap 3 and the second curved slab 5;
The median curved surface partial switching of preliminary curved surface cover plate is placed in the contoured portion of first surface profiling module 8 or the second curved surface profiling module 9, makes the weld joint on inner side also maintenance level of the outer side weld maintenance level of cushion cap 3 and the second curved slab 5, cushion cap 3 and first surface plate 4;
Horizontal welding is carried out to the outer side weld of cushion cap 3 and the second curved slab 5;
Horizontal welding is carried out to the weld joint on inner side of cushion cap 3 and first surface plate 4, thus achieves welding by both sides and the horizontal welding of the butt weld between cushion cap 3 and first surface plate 4, second curved slab 5, complete the assembly welding of the median curved surface part of curved surface cover plate.
Step S140: the pedestal 10 on band inclined-plane is split with first surface profiling module 8 or the second curved surface profiling module 9;
Step S150: first surface profiling module 8 and the second curved surface profiling module 9 are spliced into again one;
Step S160: the median curved surface part of curved surface cover plate is placed in first surface profiling module 8 and the second curved surface profiling module 9, and completes the assembly welding of the two ends straight portion of curved surface cover plate.
Wherein, after the step s 150, also comprise:
First straight module 12 is detachably spliced with first surface profiling module 8;
Second straight module 13 and the second curved surface profiling module 9 are detachably spliced.
In this case, step S160 specifically comprises:
The median curved surface part of curved surface cover plate is placed in first surface profiling module 8 and the second curved surface profiling module 9, first straight plate 6 is welded in the first straight module 12 and first surface profiling module 8 with first surface plate 4, second straight plate 7 is welded with the second curved slab 5 in the second straight module 13 and the second curved surface profiling module 9, completes the assembly welding of the two ends straight portion of curved surface cover plate.
In this step, clamp after can first the first straight plate 6 being alignd with first surface plate 4 joint, plane welded seam in welded cover plate after tack welding; The assembly welding second that uses the same method again is straight plate 7 and the second curved slab 5; Again by fixing for cover plate upset, welding reverse side weld seam, completes the assembly welding of the two ends straight portion of curved surface cover plate.
Here it should be noted that, in order to the first surface plate 4 in the median curved surface part to preliminary curved surface cover plate and the second curved slab 5 are fixed, thus improve the assembly welding precision of curved surface cover plate, after step silo, also comprise:
By the two ends of reinforcement 11 respectively with the first surface plate 4 in the median curved surface part of preliminary curved surface cover plate and the second curved slab 5 spot welding.
In this case, after step S160, also comprise:
The weld seam of reinforcement 11 with first surface plate 4, second curved slab 5 is ground off, reinforcement 11 is separated with curved surface cover plate.
[technique effect]
1, jointly completed the profiling of the median curved surface part of curved surface cover plate by first surface profiling module 8 and the second curved surface profiling module 9, realize the profiling assembling of the median curved surface part of curved surface cover plate, form the median curved surface part of preliminary curved surface cover plate.Again by pedestal 10 and the first surface profiling module 8 on band inclined-plane or the second curved surface profiling module 9 is detachable is connected, make the contoured portion of first surface profiling module 8 or the second curved surface profiling module 9 upwards, and by the median curved surface part single head clamping of preliminary curved surface cover plate, complete horizontal welding and the welding by both sides of each butt weld in the median curved surface part of preliminary curved surface cover plate, realize the assembly welding of the median curved surface part of curved surface cover plate.Finally the median curved surface part of curved surface cover plate is placed in first surface profiling module 8 and the second curved surface profiling module 9, realizes the assembly welding of the two ends straight portion of curved surface cover plate, thus complete the assembly welding of curved surface cover plate.Due to the utility model embodiment adopt first curved surface after flat face, first in the middle of after the order at two ends carry out assembling and welding, namely the assembly welding of required precision and all higher median curved surface part of assembly welding difficulty is first completed, complete the assembly welding of required precision and all lower two ends straight portion of assembly welding difficulty again, thus ensure that the assembly precision of curved surface cover plate.
In sum, the utility model embodiment solves in prior art and is difficult to the assembly precision met needed for curved surface cover plate and requires the technical problem that height, weld seam welding by both sides, horizontal welding etc. require.
2, reinforcement 11 is connected the first surface plate 4 in the median curved surface part of preliminary curved surface cover plate and the second curved slab 5, first surface plate 4 and the second curved slab 5 are fixed, add the structural strength of the median curved surface part of preliminary curved surface cover plate, thus further increasing the assembly welding precision of curved surface cover plate.
3, the assembly in the utility model embodiment all by bolt 15 with the assembling of detachable form, stopping production stand-by period detachable coming deposit respectively, not only deposit conveniently, but also save parking space.
4, base 14 is loose structure, and in stopping production stand-by period, base 14 can continue to use as the basic platform of other device, and other assemblies can be cased and be deposited, and improve the practicality of the utility model embodiment.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (4)
1. a welding device for curved surface cover plate, is characterized in that, comprising: the pedestal on first surface profiling module, the second curved surface profiling module and band inclined-plane; Described first surface profiling module and described second curved surface profiling module are detachably spliced into one, jointly complete the profiling of the median curved surface part of curved surface cover plate; Cushion cap, first surface plate and the second curved slab are placed in described first surface profiling module and described second curved surface profiling module, complete described cushion cap, tack welding between described first surface plate and described second curved slab, form the median curved surface part of preliminary curved surface cover plate;
The pedestal on described band inclined-plane and described first surface profiling module or described second curved surface profiling module is detachable is connected, make the contoured portion of described first surface profiling module or described second curved surface profiling module upwards; The median curved surface part of described preliminary curved surface cover plate is placed in the contoured portion of described first surface profiling module or described second curved surface profiling module, make the weld joint on inner side also maintenance level of described cushion cap and the outer side weld maintenance level of described first surface plate, described cushion cap and described second curved slab, and complete the assembly welding of the median curved surface part of described curved surface cover plate;
The median curved surface part of described curved surface cover plate is placed in described first surface profiling module and described second curved surface profiling module, completes the assembly welding of the two ends straight portion of described curved surface cover plate.
2. equipment as claimed in claim 1, is characterized in that, also comprise: reinforcement; First surface plate in the median curved surface part of the described preliminary curved surface cover plate of described reinforcement connection and the second curved slab.
3. equipment as claimed in claim 1, is characterized in that, also comprise: the first straight module and the second straight module; Described first straight module and the detachable splicing of described first surface profiling module; Described second straight module and the detachable splicing of described second curved surface profiling module; The median curved surface part of described curved surface cover plate is placed in described first surface profiling module and described second curved surface profiling module, first straight plate is welded in described first straight module and described first surface profiling module with described first surface plate, second straight plate is welded with described second curved slab in described second straight module and described second curved surface profiling module, completes the assembly welding of the two ends straight portion of described curved surface cover plate.
4. equipment as claimed in claim 3, is characterized in that, also comprise: base; Described first surface profiling module, described second curved surface profiling module, the pedestal on described band inclined-plane, described first straight module and described second straight module are all detachably arranged on described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520597029.2U CN204867941U (en) | 2015-08-10 | 2015-08-10 | Assembly welding equipment of curved surface apron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520597029.2U CN204867941U (en) | 2015-08-10 | 2015-08-10 | Assembly welding equipment of curved surface apron |
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| Publication Number | Publication Date |
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| CN204867941U true CN204867941U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520597029.2U Withdrawn - After Issue CN204867941U (en) | 2015-08-10 | 2015-08-10 | Assembly welding equipment of curved surface apron |
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| Country | Link |
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| CN (1) | CN204867941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057951A (en) * | 2015-08-10 | 2015-11-18 | 南车长江车辆有限公司 | Installing and welding device and method for curved surface cover board |
| CN106425220A (en) * | 2016-10-31 | 2017-02-22 | 武汉冶钢结构有限责任公司 | Large curved-surface thin plate welding anti-deformation device and method |
-
2015
- 2015-08-10 CN CN201520597029.2U patent/CN204867941U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057951A (en) * | 2015-08-10 | 2015-11-18 | 南车长江车辆有限公司 | Installing and welding device and method for curved surface cover board |
| CN106425220A (en) * | 2016-10-31 | 2017-02-22 | 武汉冶钢结构有限责任公司 | Large curved-surface thin plate welding anti-deformation device and method |
| CN106425220B (en) * | 2016-10-31 | 2017-12-15 | 武汉一冶钢结构有限责任公司 | A kind of large-scale curved plate sheet welding anti-deformation device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee after: CRRC YANGTZE CO., LTD. Address before: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee before: China South Locomotive & Rolling Stock Changjiang Vehicle Company |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20170627 |
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| AV01 | Patent right actively abandoned |