CN201189864Y - Aluminum alloy vehicle body - Google Patents
Aluminum alloy vehicle body Download PDFInfo
- Publication number
- CN201189864Y CN201189864Y CNU2008200722775U CN200820072277U CN201189864Y CN 201189864 Y CN201189864 Y CN 201189864Y CN U2008200722775 U CNU2008200722775 U CN U2008200722775U CN 200820072277 U CN200820072277 U CN 200820072277U CN 201189864 Y CN201189864 Y CN 201189864Y
- Authority
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- China
- Prior art keywords
- car
- roof
- facade
- car body
- automobile body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 12
- 241001669679 Eleotris Species 0.000 claims abstract description 13
- 238000005728 strengthening Methods 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 239000004411 aluminium Substances 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Body Structure For Vehicles (AREA)
Abstract
The utility model provides an aluminum alloy automobile body, including head car automobile body and middle car automobile body, head car automobile body and middle car automobile body are by the chassis, the side wall, the roof, outer end wall, interior end wall are constituteed, the head car automobile body still includes aerodynamic tip structure, tip additional strengthening is established to the one end of head car roof and the both ends of middle car roof, tip bumper beam structure is established to the one end of head car chassis and the both ends of middle car chassis, 8 sleeper beam seats of each fixed connection of chassis boundary beam of head car automobile body and middle car automobile body, the roof of head car automobile body and middle car automobile body, the side wall, the chassis all establish the comdenstion water drainage tank at the tip. The utility model discloses the automobile body dead weight is less than 8.5 tons, has reached the lightweight purpose, satisfies EN12663 intensity standard requirement, simple structure, light in weight, and the manufacturability is good, and local stress is little.
Description
Technical field
The utility model relate to a kind of in light weight, intensity is high, be applicable to the aluminum alloy bodywork that 200 kilometers and above motor train unit are used.
Background technology
At home, passenger train is with the most carbon steel car bodies that adopt of car body, and about 15 tons of its weight is only applicable to the train of 160km/h speed class.The exploitation of domestic EMU car body is also at the early-stage, though " China Star ", " Changbai Mountain number " contour quick-action car group aluminum alloy car body have been made in domestic independent development in early stage, but technical pattern is unreasonable, most of structures references carbon steel bassinet structure in the past, complex structure, welding process is poor, local stress is big, and car body weight is near carbon steel car weight amount, and about 11 tons of weight does not reach the weight-saving purpose.The slow structure of car body pillow pulling is copied the carbon steel bassinet structure, and be difficult for processing and welding: the aluminium floor is not elongated, but disconnects at the sleeper beam place, and is bigger with draw beam corner stress herein, under the loading of EN12663 standard-required, surpasses the permissible stress of material.This car body can not satisfy the requirement in the speed car that continues commercial operation, and reliability is also lower, can't satisfy the requirement of railway modernization, is seriously restricting development and national economy.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of aluminum alloy bodywork, this car body improves car body strength, reduces the car body deadweight, improves weldability, reduce structural stress, improve car body service life, the advance that develops skill and reliability, deadweight is lower than 8.5 tons, intensity satisfies the EN12663 standard-required, static aerodynamic loading and the vertical load combined action that can bear 6000Pa down reaches 30 years service life, adapts to the needs of train high-speed cruising.
For solving the problems of the technologies described above, the utility model provides a kind of aluminum alloy bodywork, comprise a car car body and middle car car body, car car body is by underframe, side wall, roof, outside end wall, inside end wall, the aerodynamics end construction is formed, middle car car body is by underframe, side wall, roof, outside end wall, inside end wall is formed, it is characterized in that: the end additional strengthening is established at an end of a car roof and the two ends of middle car roof, end buffer beam structure is established at one end of under-carriage and the two ends of middle under-carriage, each captives joint 8 sleeper beam seats the underframe side bar of car car body and middle car car body, the roof of a car car body and middle car car body, side wall, underframe is all established condensation gutter in the end.
The end additional strengthening is made up of crossbeam, longeron, closing panel, the end of longeron is fixedly connected on the facade of crossbeam, the facade of closing panel is fixedly connected on the end of longeron, captive joint with the inwall of roof in crossbeam in the additional strengthening of end, the top of longeron, the facade of closing panel is captiveed joint with the roof end.
End buffer beam structure is made up of draw beam, end carriage, coaming plate, cant beam, base plate, transverse damper support, hitch mount pad, captive joint with the facade of end carriage in the end of draw beam, captive joint with the facade of end carriage in the end of cant beam, captive joint with the border of cant beam institute gap in the border of transverse damper support, the facade of coaming plate is captiveed joint with the end of end carriage, cant beam, captive joint with the bottom surface of end carriage, cant beam in the border of base plate, the end face of draw beam, end carriage, coaming plate, cant beam is fixedly connected on the bottom surface of underframe end.
The inside end wall structure is made up of column, wallboard, link slot aluminium, and a side of wallboard is captiveed joint with the edge of column facade, and its excess-three face is captiveed joint with link slot aluminium.
The aerodynamics end construction by preceding headwall, side plate, cover plate, draw beam form, the pilot bearing forms, captive joint with the end face of side plate respectively in the two ends of preceding headwall facade, the facade of right angle breach was captiveed joint with the facade of preceding headwall during draw beam was formed, captive joint with the surperficial of cover plate in the inclined-plane of side plate, the end face of pilot bearing is captiveed joint with the bottom surface of breach in the draw beam composition.
The beneficial effects of the utility model are: the car body deadweight is lower than 8.5 tons, has reached the weight-saving purpose.Car body strength, good rigidity satisfy the requirement of EN12663 strength criterion.Car body end buffer beam structure and sleeper beam seat are separately compared with the slow structure of pillow pulling in the past, and be simple in structure, in light weight, good manufacturability.Draw beam is fixedly connected on the reinforced rib on underframe floor, and the sleeper beam seat that is used to install bogie truck is fixedly connected on the underframe side bar, so the aluminium floor is elongated, needn't disconnect at the sleeper beam place, and local stress is little.Sleeper beam seat fixed form is safe and reliable, all is applied to the strongest position of car body from the power of bogie truck---and on the side bar, do not get in touch, reduced in the past the sleeper beam structure the influence in the car with the floor.Car body is established discharge structure, and the condensed water in the die cavity is discharged outside the car by the drainage channel at car body two ends, and anti-corrosive properties is good, and the life-span is long.The link slot aluminium of inside end wall is adjusted size and installation error the inside end wall wallboard when mounted by groove aluminium, mounting process is good.The semicircle transition structure of the band of link slot aluminium greatly reduces the stress of contact point.
Description of drawings
Fig. 1 is an of the present utility model car body construction scheme drawing;
Fig. 2 is a middle car body construction scheme drawing of the present utility model;
Fig. 3 is a roof end additional strengthening scheme drawing;
Fig. 4 is the inside end wall structural representation;
Fig. 5 is the inside end wall link slot constructed of aluminium scheme drawing of analysing and observe along A-A line among Fig. 4;
Fig. 6 is that the axle that waits of inside end wall structure is surveyed view;
Fig. 7 is a car aerodynamics end construction scheme drawing;
Fig. 8 is an end buffer beam structural representation;
Fig. 9 is a sleeper beam seat scheme of installation;
Figure 10 is a sleeper beam seat scheme drawing;
Figure 11 is a underframe side bar condensed water discharging structure scheme drawing.
The specific embodiment
With reference to Fig. 1, car car body is made up of underframe 1, side wall 2, roof 3, outside end wall 4, inside end wall 5, aerodynamics end construction 6, the side wall bottom is fixedly connected on the underframe both sides, the roof both sides are fixedly connected on side wall top, the outside end wall border is fixedly connected on an end of underframe, side wall, roof, the inside end wall border is fixedly connected on the inwall of underframe, side wall, roof, and the end of aerodynamics end construction is fixedly connected on the other end of underframe, side wall, roof.
With reference to Fig. 2, middle car car body is made up of underframe 7, side wall 8, roof 9, outside end wall 4, inside end wall 5, the side wall bottom is fixedly connected on the underframe both sides, the roof both sides are fixedly connected on side wall top, the outside end wall border is fixedly connected on the two ends of underframe, side wall, roof, and the inside end wall border is fixedly connected on the inwall of underframe, side wall, roof.
With reference to Fig. 3, roof end additional strengthening is made up of a crossbeam 10, two longerons 11, a closing panel 12, and the end of two longerons is fixedly connected on the facade of crossbeam, and the facade of closing panel is fixedly connected on the end of two longerons.This additional strengthening with the connection mode of car body is: among the top of crossbeam, longeron and Fig. 1 among roof 3, Fig. 2 the inwall of roof 9 captive joint, among the facade of closing panel and Fig. 1 among roof 3, Fig. 2 the end of roof 9 captive joint.This structure is used to strengthen intensity, the rigidity of car body end.
With reference to Fig. 4, Fig. 6, inside end wall is made up of column 13, wallboard 14, link slot aluminium 15, and a side of wallboard is captiveed joint with the edge of column facade, and its excess-three face is captiveed joint with link slot aluminium.This inside end wall structure with the connection mode of car body is: in the upper end of column and the roof end additional strengthening captive joint in the bottom surface of longeron 11, crossbeam 10, among lower end and Fig. 1 among underframe 1, Fig. 2 the inner face of underframe 7 captive joint, link slot aluminium respectively with the bottom surface of roof end additional strengthening center member 10, Fig. 1 in the side wall 2, Fig. 2 in the inwall, Fig. 1 of side wall 8 among underframe 1, Fig. 2 the inner face of underframe 7 captive joint.This structure is used to strengthen intensity, the rigidity of car body.
With reference to Fig. 5, wallboard 14 is plugged in link slot aluminium 15, and by adjusting scale error and the production error that remedies wallboard with the relative position of groove aluminium, mounting process is good.The semicircle transition structure of the band of groove aluminium has reduced the stress of contact point greatly.
With reference to Fig. 7, car aerodynamics end construction by preceding headwall 16, side plate 17, cover plate 18, draw beam form 19, pilot bearing 20 forms, captive joint with the end face of side plate respectively in the two ends of preceding headwall facade, the facade of right angle breach was captiveed joint with the facade of preceding headwall during draw beam was formed, captive joint with the surperficial of cover plate in the inclined-plane of side plate, the end face of pilot bearing is captiveed joint with the bottom surface of breach in the draw beam composition.This aerodynamics end construction with the connection mode of car body is: lid surface is captiveed joint with the front end of side wall 2 among Fig. 1, the end face of right angle breach was captiveed joint with the lower plane of underframe 1 among Fig. 1 during draw beam was formed, and captiveed joint with the front end border of underframe 1 among Fig. 1 in the lower edge of preceding headwall, side plate.This structural strength height is used to install aerodynamics headstock, preceding switching mechanism, hitch, pilot.
With reference to Fig. 8, end buffer beam structure is made up of draw beam 21, end carriage 22, coaming plate 23, cant beam 24, base plate 25, transverse damper support 26, hitch mount pad 27, captive joint with the facade of end carriage in the end of draw beam, captive joint with the facade of end carriage in the end of cant beam, captive joint with the border of cant beam institute gap in the border of transverse damper support, the facade of coaming plate is captiveed joint with the end of end carriage, cant beam, captives joint with the bottom surface of end carriage, cant beam in the border of base plate.The connection mode of this end buffer beam structure and car body is: the end face of draw beam, end carriage, coaming plate, cant beam is fixedly connected among Fig. 1 the bottom end of underframe 7 among underframe 1, Fig. 2.Its advantage is: draw beam is fixedly connected on the reinforced rib of underframe bottom surface, and is simple in structure, in light weight, and the underframe floor need not cut, good manufacturability.
With reference to Fig. 9, Figure 10, among the upper surface of sleeper beam seat 28 and Fig. 1 among underframe 1, Fig. 2 the sidepiece lower surface of underframe 7 (being the outside floor of underframe side bar and underframe lower surface) captive joint, be used to install bogie truck.The sleeper beam holder structure is simple, in light weight, and welding manner is safe and reliable, all is applied to the strongest position of car body from the power of bogie truck---and on the underframe side bar, do not get in touch, thereby reduce in the past structure the influence in the car with the floor.It is simple, convenient that bogie truck is installed.
With reference to Figure 11, condensed water discharging structure is at the end of underframe, side wall or roof open semicircle v notch v 29 and circular hole 30, and the condensed water in the section bar die cavity is discharged outside the car by this structure, helps the anticorrosion of vehicle.
Claims (5)
1, a kind of aluminum alloy bodywork, comprise a car car body and middle car car body, car car body is by underframe, side wall, roof, outside end wall, inside end wall, the aerodynamics end construction is formed, middle car car body is by underframe, side wall, roof, outside end wall, inside end wall is formed, it is characterized in that: the end additional strengthening is established at an end of a car roof and the two ends of middle car roof, end buffer beam structure is established at one end of under-carriage and the two ends of middle under-carriage, each captives joint 8 sleeper beam seats the underframe side bar of car car body and middle car car body, the roof of a car car body and middle car car body, side wall, underframe is all established condensation gutter in the end.
2, aluminum alloy bodywork according to claim 1, it is characterized in that: the end additional strengthening is made up of crossbeam, longeron, closing panel, the end of longeron is fixedly connected on the facade of crossbeam, the facade of closing panel is fixedly connected on the end of longeron, captive joint with the inwall of roof in crossbeam in the additional strengthening of end, the top of longeron, the facade of closing panel is captiveed joint with the roof end.
3, aluminum alloy bodywork according to claim 1, it is characterized in that: end buffer beam structure is by draw beam, end carriage, coaming plate, cant beam, base plate, the transverse damper support, the hitch mount pad is formed, captive joint with the facade of end carriage in the end of draw beam, captive joint with the facade of end carriage in the end of cant beam, captive joint with the border of cant beam institute gap in the border of transverse damper support, the facade of coaming plate and end carriage, the end captive joint of cant beam, the border of base plate and end carriage, the bottom surface captive joint of cant beam, draw beam, end carriage, coaming plate, the end face of cant beam is fixedly connected on the bottom surface of underframe end.
4, aluminum alloy bodywork according to claim 1 is characterized in that: the inside end wall structure is made up of column, wallboard, link slot aluminium, and a side of wallboard is captiveed joint with the edge of column facade, and its excess-three face is captiveed joint with link slot aluminium.
5, aluminum alloy bodywork according to claim 1, it is characterized in that: the aerodynamics end construction by preceding headwall, side plate, cover plate, draw beam form, the pilot bearing forms, captive joint with the end face of side plate respectively in the two ends of preceding headwall facade, the facade of right angle breach was captiveed joint with the facade of preceding headwall during draw beam was formed, captive joint with the surperficial of cover plate in the inclined-plane of side plate, the end face of pilot bearing is captiveed joint with the bottom surface of breach in the draw beam composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200722775U CN201189864Y (en) | 2008-08-15 | 2008-08-15 | Aluminum alloy vehicle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200722775U CN201189864Y (en) | 2008-08-15 | 2008-08-15 | Aluminum alloy vehicle body |
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| Publication Number | Publication Date |
|---|---|
| CN201189864Y true CN201189864Y (en) | 2009-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200722775U Expired - Lifetime CN201189864Y (en) | 2008-08-15 | 2008-08-15 | Aluminum alloy vehicle body |
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| CN (1) | CN201189864Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019936A (en) * | 2009-09-16 | 2011-04-20 | 阿尔斯通运输股份有限公司 | Method for assembling railway vehicle and railway vehicle obtained by applying method |
| CN102107337A (en) * | 2011-03-21 | 2011-06-29 | 南京雷尔伟新技术有限公司 | Vehicle body draft, bolster and buffer assembling and welding process |
| CN102490756A (en) * | 2011-12-28 | 2012-06-13 | 南车株洲电力机车有限公司 | Stone sweeper suitable for aluminum alloy vehicle body |
| WO2013107023A1 (en) * | 2012-01-19 | 2013-07-25 | General Electric Company | Vehicle body and manufacturing method |
| CN103407454A (en) * | 2013-08-28 | 2013-11-27 | 南车株洲电力机车有限公司 | Chassis structure of vehicle body of magnetic levitation vehicle |
| CN103770798A (en) * | 2014-02-11 | 2014-05-07 | 唐山轨道客车有限责任公司 | Train front end structure and train |
| CN103832446A (en) * | 2014-03-26 | 2014-06-04 | 南车株洲电力机车有限公司 | Railway vehicle body chassis structure |
| CN104002827A (en) * | 2014-05-14 | 2014-08-27 | 长春轨道客车股份有限公司 | High-speed motor train unit aluminum alloy train body with condensate water draining structure |
| CN104057969A (en) * | 2014-06-27 | 2014-09-24 | 成都市新筑路桥机械股份有限公司 | 100 percent modern urban streetcar floating car body chassis |
| CN104787073A (en) * | 2015-03-26 | 2015-07-22 | 长春轨道客车股份有限公司 | Head-train under carriage end structure of high speed EMU |
| CN107244328A (en) * | 2017-06-06 | 2017-10-13 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of bamboo for rail traffic vehicles winds car body and preparation method thereof |
| CN111301452A (en) * | 2018-12-12 | 2020-06-19 | 中车唐山机车车辆有限公司 | Subway car body with preventive drainage structure |
| CN112046512A (en) * | 2020-08-27 | 2020-12-08 | 中车长春轨道客车股份有限公司 | EMUs automobile body front end structure of adaptation combined material locomotive installation |
| CN112298258A (en) * | 2020-10-27 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | Middle car end collision energy-absorbing structure and rail vehicle |
| CN113371011A (en) * | 2021-07-30 | 2021-09-10 | 中车长春轨道客车股份有限公司 | Intercity EMUs aluminum alloy vehicle body structure |
-
2008
- 2008-08-15 CN CNU2008200722775U patent/CN201189864Y/en not_active Expired - Lifetime
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019936A (en) * | 2009-09-16 | 2011-04-20 | 阿尔斯通运输股份有限公司 | Method for assembling railway vehicle and railway vehicle obtained by applying method |
| CN102107337A (en) * | 2011-03-21 | 2011-06-29 | 南京雷尔伟新技术有限公司 | Vehicle body draft, bolster and buffer assembling and welding process |
| CN102107337B (en) * | 2011-03-21 | 2012-08-08 | 南京雷尔伟新技术有限公司 | Vehicle body draft, bolster and buffer assembling and welding process |
| CN102490756A (en) * | 2011-12-28 | 2012-06-13 | 南车株洲电力机车有限公司 | Stone sweeper suitable for aluminum alloy vehicle body |
| CN104245469B (en) * | 2012-01-19 | 2017-05-17 | 通用电气公司 | vehicle body and manufacturing method |
| US9809233B2 (en) | 2012-01-19 | 2017-11-07 | General Electric Company | Vehicle body and manufacturing method |
| CN104245469A (en) * | 2012-01-19 | 2014-12-24 | 通用电气公司 | Vehicle body and manufacturing method |
| WO2013107023A1 (en) * | 2012-01-19 | 2013-07-25 | General Electric Company | Vehicle body and manufacturing method |
| CN103407454A (en) * | 2013-08-28 | 2013-11-27 | 南车株洲电力机车有限公司 | Chassis structure of vehicle body of magnetic levitation vehicle |
| CN103407454B (en) * | 2013-08-28 | 2016-11-02 | 南车株洲电力机车有限公司 | A kind of levitation train vehicle body bottom frame structure |
| CN103770798A (en) * | 2014-02-11 | 2014-05-07 | 唐山轨道客车有限责任公司 | Train front end structure and train |
| CN103832446A (en) * | 2014-03-26 | 2014-06-04 | 南车株洲电力机车有限公司 | Railway vehicle body chassis structure |
| CN103832446B (en) * | 2014-03-26 | 2017-01-04 | 南车株洲电力机车有限公司 | A kind of vehicle body of railway vehicle Undercarriage structure |
| WO2015172570A1 (en) * | 2014-05-14 | 2015-11-19 | 长春轨道客车股份有限公司 | High-speed motor train unit aluminum alloy car with condensate water drainage structure |
| CN104002827A (en) * | 2014-05-14 | 2014-08-27 | 长春轨道客车股份有限公司 | High-speed motor train unit aluminum alloy train body with condensate water draining structure |
| CN104057969A (en) * | 2014-06-27 | 2014-09-24 | 成都市新筑路桥机械股份有限公司 | 100 percent modern urban streetcar floating car body chassis |
| CN104787073A (en) * | 2015-03-26 | 2015-07-22 | 长春轨道客车股份有限公司 | Head-train under carriage end structure of high speed EMU |
| CN107244328A (en) * | 2017-06-06 | 2017-10-13 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of bamboo for rail traffic vehicles winds car body and preparation method thereof |
| CN111301452A (en) * | 2018-12-12 | 2020-06-19 | 中车唐山机车车辆有限公司 | Subway car body with preventive drainage structure |
| CN111301452B (en) * | 2018-12-12 | 2021-02-26 | 中车唐山机车车辆有限公司 | Subway car body with preventive drainage structure |
| CN112046512A (en) * | 2020-08-27 | 2020-12-08 | 中车长春轨道客车股份有限公司 | EMUs automobile body front end structure of adaptation combined material locomotive installation |
| CN112298258A (en) * | 2020-10-27 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | Middle car end collision energy-absorbing structure and rail vehicle |
| CN112298258B (en) * | 2020-10-27 | 2022-03-25 | 中车青岛四方机车车辆股份有限公司 | Middle car end collision energy-absorbing structure and rail vehicle |
| CN113371011A (en) * | 2021-07-30 | 2021-09-10 | 中车长春轨道客车股份有限公司 | Intercity EMUs aluminum alloy vehicle body structure |
| CN113371011B (en) * | 2021-07-30 | 2024-03-22 | 中车长春轨道客车股份有限公司 | Inter-city motor train unit aluminum alloy vehicle body structure |
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| C14 | Grant of patent or utility model | ||
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| ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY CORPORATION Free format text: FORMER OWNER: TRANSPORT BUREAU OF RAILWAY DEPARTMENT Effective date: 20141015 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141015 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY CORPORATION Patentee after: Changchun Track Passenger Train Co., Ltd. Address before: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee before: Transport Bureau of Railway Department Patentee before: Changchun Track Passenger Train Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090204 |