CN204018933U - A kind of stainless steel railcar modular side wall skeleton assembly welding frock - Google Patents
A kind of stainless steel railcar modular side wall skeleton assembly welding frock Download PDFInfo
- Publication number
- CN204018933U CN204018933U CN201420314447.1U CN201420314447U CN204018933U CN 204018933 U CN204018933 U CN 204018933U CN 201420314447 U CN201420314447 U CN 201420314447U CN 204018933 U CN204018933 U CN 204018933U
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- side wall
- crossbeam
- wall skeleton
- stainless steel
- pressure beam
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- 238000003466 welding Methods 0.000 title claims abstract description 30
- 239000010935 stainless steel Substances 0.000 title claims abstract description 23
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 238000009416 shuttering Methods 0.000 claims abstract description 44
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 burr Substances 0.000 description 1
- 239000013066 combination product Substances 0.000 description 1
- 229940127555 combination product Drugs 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of stainless steel railcar modular side wall skeleton assembly welding frock, comprise the frock under(-)chassis that order is from bottom to top arranged, supporting traverse, support shuttering and side wall skeleton detent mechanism, also comprise vehicle guide simultaneously, be arranged on the compression dolly on vehicle guide, for driving the drive motors compressing dolly, hydraulic system and pressure beam, wherein, vehicle guide is arranged on the both sides of frock under(-)chassis, compressing dolly is then one " n " shape structure, be slidably connected with vehicle guide bottom its two ends, hydraulic system is arranged on a plate, connecting plate is rotationally connected with the middle part compressing dolly, and connecting plate is also provided with pressure beam guiding mechanism, the lower end of pressure beam guiding mechanism and the output of hydraulic system are communicated with pressure beam simultaneously and described pressure beam and support shuttering are oppositely arranged.The utility model is reasonable in design, by force functional, improves produced on-site efficiency, shortens life cycle of the product widely.
Description
Technical field
The utility model patent relates to a kind of stainless steel railcar modular side wall skeleton assembly welding frock, belongs to stainless steel railcar welding technology field.
Background technology
At present in railcar field, stainless steel railcar, by feat of advantages such as high strength, corrosion-resistant, energy-conserving and environment-protective, has half share with aluminum alloy vehicular.But because stainless steel railcar production efficiency is low, production cost is high and be out of shape the development that the factor such as large governs stainless steel vihicle in welding process.Adopted to increase frock, increase personnel and increase the method in man-hour in the past and improved output, corrected welding deformation by the method for postwelding flame repairing or mechanical adjusting.Although obtain certain effect in the short time, do not tackle the problem at its root in the long run.This not only improves the manufacturing cost of product widely, also reduces product competitiveness, brings negative effect to the competition of enterprise and development.
Utility model content
In order to solve problems of the prior art as above, the utility model provides a kind of good reliability, easy to use, high accuracy, high efficiency stainless steel railcar modular side wall skeleton assembly welding frock.
In order to reach the object of above-mentioned utility model, the technical solution of the utility model is:
A kind of stainless steel railcar modular side wall skeleton assembly welding frock, it is characterized in that, comprise frock under(-)chassis, supporting traverse, support shuttering, side wall skeleton detent mechanism, vehicle guide, drive motors, compress dolly, hydraulic system and pressure beam, described supporting traverse is slidably arranged on frock under(-)chassis, described support shuttering is arranged on the top of supporting traverse, comprise door pillar, the side wall skeleton of side wall column and side wall crossbeam is positioned on support shuttering, and the side wall skeleton detent mechanism described support shuttering is also provided with for side wall skeleton location, described vehicle guide is arranged on the both sides of frock under(-)chassis, described compression dolly is then one " n " shape structure, be slidably connected with vehicle guide bottom its two ends, and described compression dolly is communicated with described drive motors, in addition, hydraulic system is arranged on a plate, described connecting plate is rotationally connected with the middle part compressing dolly, and described connecting plate is also provided with pressure beam guiding mechanism, the lower end of described pressure beam guiding mechanism is communicated with pressure beam, and press beam to be communicated with the output of hydraulic system simultaneously, and described pressure beam and support shuttering are oppositely arranged.
Further, the mode of being slidably connected of described supporting traverse and frock under(-)chassis is: described frock under(-)chassis top is provided with line slideway, the bottom of described supporting traverse is then provided with guide rail sleeve, described guide rail sleeve and line slideway form guideway, longitudinally move freely along guideway for supporting traverse, ensure its flexibility function.
And described support shuttering is spliced to form by multistage modular unit.Supporting traverse simultaneously also comprises many crossbeam unit, and many described crossbeam unit are distributed on the bottom of support shuttering.By the height of adjustment member or all support shuttering and supporting traverse, thus reach reversed deformation effect.
Further, described side wall skeleton detent mechanism comprises the post end detent mechanism for door pillar and side wall stud location, and for side wall crossbeam location crossbeam pre-locating mechanism and positioning mechanism for rolling wheel.And described crossbeam pre-locating mechanism is a spring lifting structure, described spring lifting structure is positioned at the bottom of side wall crossbeam, before side wall crossbeam and side wall column assemble, the position of side wall crossbeam is higher, now spring is in free state, crossbeam pre-locating mechanism positions side wall crossbeam, when after side wall crossbeam and the assembling of side wall column, side wall crossbeam position is lower, now spring is in compressive state, now side wall crossbeam can use positioning mechanism for rolling wheel accurately to locate, and described positioning mechanism for rolling wheel can realize the positioning and locking to side wall crossbeam by mechanical rolling action, can ensure that again side wall skeleton goes out tire safely.
And described support shuttering is also provided with the pneumatic drawing mechanism that rises of column, the pneumatic drawing mechanism that rises of described column is positioned at the bottom of door pillar and side wall column, and the pneumatic drawing mechanism that rises of described column rises with one simultaneously, drawing mechanism controls air valve and is communicated with, tire is pasted completely to realize side wall column, energy spreading side wall column, reduces the welded gaps of side wall column and side wall crossbeam simultaneously.
And described support shuttering is also provided with the pneumatic tensioning mechanism of crossbeam, the pneumatic tensioning mechanism of described crossbeam is connected with crossbeam, and the pneumatic tensioning mechanism of described crossbeam is communicated with the pneumatic tensioning mechanism control valve of a crossbeam, and control its operation by cylinder, thus with the compression of pneumatic form realization to side wall crossbeam, can ensure that side wall crossbeam pastes tire.
And, described support shuttering is also provided with the door pillar fast fixture for clamping door pillar.Described door pillar fast fixture also can not be arranged on support shuttering, and its major function is fast positioning clamping door pillar, controls welding deformation.
In addition; the compression dolly of described hydraulic system both sides is also provided with wheel disc rotating mechanism; described wheel disc rotational structure is communicated with described connecting plate; by the angle of exerting pressure of wheel disc rotating mechanism adjustment pressure beam; and in the die cavity of described pressure beam, be also provided with air bag; course of exerting pressure plays buffer protection function to side wall crossbeam, with side-proof wall beam deformation.
The beneficial effects of the utility model are: the utility model is reasonable in design, by force functional, under prior art conditions, combination product practical structures uses the method for welding anti-distortion means and external force constraint, fundamentally solve stainless steel curb wall frame welding and be out of shape a large difficult problem, ensure the critical size of side wall skeleton, and the utility model is under the condition considering assigned personnel's configuration, equipment capacity, make full use of the advantages such as himself accurate positioning, simple operation, automation mechanized operation degree height, improve produced on-site efficiency, shorten life cycle of the product widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the partial structurtes schematic diagram of the utility model one embodiment;
Fig. 3 is the structural representation of positioning mechanism for rolling wheel described in the utility model;
Fig. 4 is the structural representation of the pneumatic drawing mechanism that rises of column described in the utility model;
Fig. 5 is the structural representation of the pneumatic tensioning mechanism of crossbeam described in the utility model.
In figure, Main Reference Numerals implication is:
1, frock under(-)chassis 2, supporting traverse 3, support shuttering 4, crossbeam pre-locating mechanism
5, the pneumatic drawing mechanism 6 that rises of column, the drawing mechanism that rises control air valve 7, door pillar fast fixture
8, vehicle guide 9, drive motors 10, compression dolly 11, wheel disc rotating mechanism
12, air bag 13, pressure beam 14, hydraulic system 15, pressure beam guiding mechanism
16, the pneumatic tensioning mechanism 17 of crossbeam, post end detent mechanism 18, line slideway
19, the pneumatic tensioning mechanism control valve 20 of crossbeam, positioning mechanism for rolling wheel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is carried out to the utility model.
In the present embodiment, side wall skeleton comprises and draws together door pillar, side wall column and side wall crossbeam.
Fig. 1 is the structural representation of the utility model one embodiment; Fig. 2 is the partial structurtes schematic diagram of the utility model one embodiment.
As depicted in figs. 1 and 2: a kind of stainless steel railcar modular side wall skeleton assembly welding frock, comprise frock under(-)chassis 1, supporting traverse 2, support shuttering 3, side wall skeleton detent mechanism, vehicle guide 8, drive motors 9, compression dolly 10, hydraulic system 14 and pressure beam 13.
Wherein, described supporting traverse 2 is slidably arranged on frock under(-)chassis 1, described supporting traverse 2 with the mode of being slidably connected of frock under(-)chassis 1 is: described frock under(-)chassis 1 top is provided with line slideway 18, the bottom of described supporting traverse 2 is then provided with guide rail sleeve, described guide rail sleeve and line slideway 18 form guideway, longitudinally move freely along guideway for supporting traverse 2, ensure its flexibility function.
Described support shuttering 3 is arranged on the top of supporting traverse 2, and in the present embodiment, support shuttering 3 is spliced to form by multistage modular unit.Supporting traverse 2 simultaneously also comprises many crossbeam unit, and many described crossbeam unit are distributed on the bottom of support shuttering 3.Can pass through the height of adjustment member or whole support shuttering 3 and supporting traverse 2, carry out reversed deformation, in the present embodiment, maximum reversible deformation regulated quantity is 30mm.
And the side wall skeleton detent mechanism described support shuttering 3 is also provided with for side wall skeleton location, be specially: side wall skeleton detent mechanism comprises the post end detent mechanism 17 for door pillar and side wall stud location, and for side wall crossbeam location crossbeam pre-locating mechanism 4 and positioning mechanism for rolling wheel 20.And described crossbeam pre-locating mechanism 4 is a spring lifting structure, described spring lifting structure is positioned at the bottom of side wall crossbeam.
Fig. 3 is the structural representation of positioning mechanism for rolling wheel described in the utility model.
As shown in Figure 3: before side wall crossbeam and side wall column assemble, the position of side wall crossbeam is higher, now spring is in free state, crossbeam pre-locating mechanism 4 pairs of side wall crossbeams position, when after side wall crossbeam and the assembling of side wall column, side wall crossbeam position is lower, now spring is in compressive state, now side wall crossbeam can use positioning mechanism for rolling wheel 20 accurately to locate, and described positioning mechanism for rolling wheel 20 can realize the positioning and locking to side wall crossbeam by mechanical rolling action, can ensure that again side wall skeleton goes out tire safely.
Described vehicle guide 8 is then arranged on the both sides of frock under(-)chassis 1,10, described compression dolly is one " n " shape structure, be slidably connected with vehicle guide 8 bottom its two ends, and described compression dolly 10 is communicated with described drive motors 9, (10 can be run along vehicle guide 8 by drive motors 9 described compression dolly.In addition, hydraulic system 14 is arranged on a plate, described connecting plate is rotationally connected with the middle part compressing dolly 10, and described connecting plate is also provided with pressure beam guiding mechanism 15, the lower end of described pressure beam guiding mechanism 15 is communicated with pressure beam 13, and press beam 13 to be communicated with the output of hydraulic system 14, and described pressure beam 13 is oppositely arranged with support shuttering 3 simultaneously.
In the present embodiment; the compression dolly 10 of hydraulic system 14 both sides is also provided with wheel disc rotating mechanism 11; described wheel disc rotational structure 11 is communicated with described connecting plate; the angle of exerting pressure of pressure beam 13 is adjusted by wheel disc rotating mechanism 11; and in the die cavity of described pressure beam 13, be also provided with air bag 12; course of exerting pressure plays buffer protection function to side wall crossbeam, with side-proof wall beam deformation.
Fig. 4 is the structural representation of the pneumatic drawing mechanism that rises of column described in the utility model.
As shown in Figure 5: described support shuttering 3 is also provided with the pneumatic drawing mechanism 5 that rises of column, the pneumatic drawing mechanism 5 that rises of described column is positioned at the bottom of door pillar and side wall column, and the pneumatic drawing mechanism 5 that rises of described column rises with one simultaneously, drawing mechanism controls air valve 6 and is communicated with, tire is pasted completely to realize side wall column, energy spreading side wall column simultaneously, reduce the welded gaps of side wall column and side wall crossbeam, in the present embodiment, the cylinder diameter of cylinder used is that 63mm(tightening force is about 150Kg).
Fig. 5 is the structural representation of the pneumatic tensioning mechanism of crossbeam described in the utility model.
As shown in Figure 5: described support shuttering 3 is also provided with the pneumatic tensioning mechanism 16 of crossbeam, the pneumatic tensioning mechanism 16 of described crossbeam is connected with side wall crossbeam, and the pneumatic tensioning mechanism of described crossbeam 16 is communicated with the pneumatic tensioning mechanism control valve 19 of a crossbeam, and control its operation by cylinder, thus can with the compression of pneumatic form realization to side wall crossbeam, ensure that side wall crossbeam pastes tire, equally, the cylinder diameter of cylinder used is that 63mm(tightening force is about 150Kg), require that the cylinder of the pneumatic tensioning mechanism of each crossbeam uses the pneumatic tensioning mechanism control valve 19 of same crossbeam to control simultaneously, totally 7 groups of pneumatic tensioning mechanism control valves 19 of crossbeam, the pneumatic tensioning mechanism control valve 19 of crossbeam is arranged on the position, termination of side wall crossbeam, be convenient to side wall crossbeam compress and on-the-spot manipulation.
In addition, described support shuttering 3 being also provided with the door pillar fast fixture 7 for clamping door pillar, is unconnected gate column fast fixture, can not integrated with post end detent mechanism together with, and pressure head diameter is not less than 30mm, avoids damaging workpiece by pressure.Described door pillar fast fixture 7 also can not be arranged on support shuttering 3, and its major function is fast positioning clamping door pillar, controls welding deformation.
Assembly welding process of the present utility model is:
Tire on handling side wall column, be positioned on support shuttering 3 by side wall column, wherein, side wall column carries out pre-determined bit laterally across the pneumatic wedge risen in drawing mechanism 5 of column, ensure the lateral attitude of side wall column, longitudinally positioned by post end detent mechanism 17, ensure the linearity of side wall post end.
Handling side wall crossbeam-rotating fills state to counter, tire on handling side wall crossbeam, be positioned on support shuttering 3 by side wall crossbeam, side wall crossbeam positions laterally across crossbeam pre-locating mechanism 4, longitudinally positioned by the socket of side wall crossbeam and the relative position of side wall column, the air bag 12 in pressure beam 13 die cavity is opened after driving compression dolly 10 to correct position by drive motors 9 behind location, and adjust pressure beam 13 to proper angle by wheel disc rotating mechanism 11, then the hydraulic valve of primer fluid pressing system 14 starts to exert pressure, above method is taked to exert pressure to side wall crossbeam successively, until all side wall crossbeams and side wall column have assembled, now, need to ensure that side wall column coordinates completely with side wall crossbeam, in the present embodiment, hydraulic system is two groups, namely two hydraulic cylinders are had, two hydraulic cylinder synchronous are required in course of exerting pressure, and pressure angle must be vertical with the crown of side wall crossbeam, start the pneumatic drawing mechanism 5 that rises of column completely after assembling and strain side wall column, the pneumatic tensioning mechanism 16 of crossbeam strains side wall crossbeam, to ensure that side wall column and side wall crossbeam paste tire completely.
Tire on handling door pillar, be positioned on support shuttering 3 by door pillar, the location, end of door pillar is carried out by post end positioner, the side of door pillar and the end of side wall crossbeam are pasted sternly, opposite side adopts door pillar fast fixture 7 to lock, the efficient positioning and clamping completing side wall skeleton fast, then gets final product welding.
The utility model is by positioning the outer surface of side wall skeleton, the profile tolerance of the entirety of support shuttering is ensured by the height, angle etc. adjusting the support shuttering on independent supporting traverse, ensure the profile tolerance≤0.5mm of the entirety of support shuttering, and ensure flatness by the relative altitude difference adjusting all support shutterings, require the profile tolerance≤1mm of the entirety of support shuttering.
The position of all use bolts of the utility model all increases fastening gasket, and all switch air valves all need to protect, in case there is the hidden danger affecting Product quality and safety and personal safety.And the guide rail adopted all has enough strength and stiffness, the size of comprehensive function power in production application can be born, avoid in use torsional deformation, affect frock and use.In addition, the surface of frock under(-)chassis 1 should be smooth, welding slag, burr, iron rust, greasy dirt etc. should be removed clean before construction, metallic matrix itself does not allow porose and sand holes, concavo-convex position, burr place should polish flat, surface should be level and smooth, and welding position weld seam should be smooth, the defects such as the overlap that do not have, slag and gap.
The present invention designs ingenious, novel structure, simple to operate, accurate positioning, solve the difficult problem that 87 ° of shape for hat columns and 90 ° of shape for hat crossbeams assemble, overcome the difficulty that in stainless steel opening profile arc welding process, welding deformation is large, ensure that product quality, effectively improve production efficiency.
The utility model is illustrated according to above-described embodiment and should be appreciated that above-described embodiment does not limit the utility model in any form, and all employings are equal to replacement or the technical scheme that obtains of equivalent transformation mode, all drop within protection domain of the present utility model.
Claims (10)
1. a stainless steel railcar modular side wall skeleton assembly welding frock, it is characterized in that, comprise frock under(-)chassis, supporting traverse, support shuttering, side wall skeleton detent mechanism, vehicle guide, drive motors, compress dolly, hydraulic system and pressure beam, described supporting traverse is slidably arranged on frock under(-)chassis, described support shuttering is arranged on the top of supporting traverse, comprise door pillar, the side wall skeleton of side wall column and side wall crossbeam is positioned on support shuttering, and the side wall skeleton detent mechanism described support shuttering is also provided with for side wall skeleton location, described vehicle guide is arranged on the both sides of frock under(-)chassis, described compression dolly is then one " n " shape structure, be slidably connected with vehicle guide bottom its two ends, and described compression dolly is communicated with described drive motors, in addition, hydraulic system is arranged on a plate, described connecting plate is rotationally connected with the middle part compressing dolly, and described connecting plate is also provided with pressure beam guiding mechanism, the lower end of described pressure beam guiding mechanism is communicated with pressure beam, and press beam to be communicated with the output of hydraulic system simultaneously, and described pressure beam and support shuttering are oppositely arranged.
2. a kind of stainless steel railcar modular side wall skeleton assembly welding frock according to claim 1, it is characterized in that, the mode of being slidably connected of described supporting traverse and frock under(-)chassis is: described frock under(-)chassis top is provided with line slideway, the bottom of described supporting traverse is then provided with guide rail sleeve, and described guide rail sleeve and line slideway form guideway.
3. a kind of stainless steel railcar modular side wall skeleton assembly welding frock according to claim 1, it is characterized in that, described support shuttering is spliced to form by multistage modular unit.
4. a kind of stainless steel railcar modular side wall skeleton assembly welding frock according to claim 1, it is characterized in that, described supporting traverse comprises many crossbeam unit, and many described crossbeam unit are distributed on the bottom of support shuttering.
5. a kind of stainless steel railcar modular side wall skeleton assembly welding frock according to claim 1, it is characterized in that, described side wall skeleton detent mechanism comprises the post end detent mechanism for door pillar and side wall stud location, and for side wall crossbeam location crossbeam pre-locating mechanism and positioning mechanism for rolling wheel.
6. a kind of stainless steel railcar modular side wall skeleton assembly welding frock according to claim 5, described crossbeam pre-locating mechanism is a spring lifting structure, and described spring lifting structure is positioned at the bottom of side wall crossbeam.
7. a kind of stainless steel railcar modular side wall skeleton assembly welding frock according to claim 1, it is characterized in that, described support shuttering is also provided with the pneumatic drawing mechanism that rises of column, the pneumatic drawing mechanism that rises of described column is positioned at the bottom of door pillar and side wall column, and the pneumatic drawing mechanism that rises of described column rises with one simultaneously, drawing mechanism controls air valve and is communicated with.
8. a kind of stainless steel railcar modular side wall skeleton assembly welding frock according to claim 1, it is characterized in that, described support shuttering is also provided with the pneumatic tensioning mechanism of crossbeam, the pneumatic tensioning mechanism of described crossbeam is connected with crossbeam, and the pneumatic tensioning mechanism of described crossbeam is communicated with the pneumatic tensioning mechanism control valve of a crossbeam.
9. a kind of stainless steel railcar modular side wall skeleton assembly welding frock according to claim 1, is characterized in that, described support shuttering being also provided with the door pillar fast fixture for clamping door pillar.
10. a kind of stainless steel railcar modular side wall skeleton assembly welding frock according to claim 1, it is characterized in that, the compression dolly of described hydraulic system both sides is also provided with wheel disc rotating mechanism, described wheel disc rotational structure is communicated with described connecting plate, and described connecting plate is also provided with pressure beam guiding mechanism, the lower end of described pressure beam guiding mechanism is communicated with pressure beam, and is also provided with air bag in the die cavity of described pressure beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314447.1U CN204018933U (en) | 2014-06-13 | 2014-06-13 | A kind of stainless steel railcar modular side wall skeleton assembly welding frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314447.1U CN204018933U (en) | 2014-06-13 | 2014-06-13 | A kind of stainless steel railcar modular side wall skeleton assembly welding frock |
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| Publication Number | Publication Date |
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| CN204018933U true CN204018933U (en) | 2014-12-17 |
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|---|---|---|---|
| CN201420314447.1U Expired - Lifetime CN204018933U (en) | 2014-06-13 | 2014-06-13 | A kind of stainless steel railcar modular side wall skeleton assembly welding frock |
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| CN (1) | CN204018933U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825030A (en) * | 2017-10-10 | 2018-03-23 | 中船黄埔文冲船舶有限公司 | A kind of ship abutment joint is without code welding equipment pressing device |
| CN108044284A (en) * | 2017-12-22 | 2018-05-18 | 青岛四方庞巴迪铁路运输设备有限公司 | Rail vehicle side wall door pillar welds preset Anti-deformation tooling and its method |
| CN108994438A (en) * | 2018-09-05 | 2018-12-14 | 中车长春轨道客车股份有限公司 | The full spot welding side wall manufacturing process of surface not coating stainless steel passenger train |
-
2014
- 2014-06-13 CN CN201420314447.1U patent/CN204018933U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825030A (en) * | 2017-10-10 | 2018-03-23 | 中船黄埔文冲船舶有限公司 | A kind of ship abutment joint is without code welding equipment pressing device |
| CN108044284A (en) * | 2017-12-22 | 2018-05-18 | 青岛四方庞巴迪铁路运输设备有限公司 | Rail vehicle side wall door pillar welds preset Anti-deformation tooling and its method |
| CN108044284B (en) * | 2017-12-22 | 2023-08-01 | 青岛四方庞巴迪铁路运输设备有限公司 | Preset reverse deformation tooling for welding side wall door upright post of railway vehicle and method thereof |
| CN108994438A (en) * | 2018-09-05 | 2018-12-14 | 中车长春轨道客车股份有限公司 | The full spot welding side wall manufacturing process of surface not coating stainless steel passenger train |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 210031, 68 North Pearl Road, Taishan Park, Nanjing hi tech Development Zone, Jiangsu, China Patentee after: CRRC NANJING PUZHEN RAIL TRANSPORT Co.,Ltd. Address before: 210031 hi tech Development Zone, Jiangsu, Nanjing Patentee before: NANJING CSR PUZHEN RAIL TRANSPORT Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20141217 |