CN103010244A - Railway vehicle and underframe thereof - Google Patents
Railway vehicle and underframe thereof Download PDFInfo
- Publication number
- CN103010244A CN103010244A CN2012105514021A CN201210551402A CN103010244A CN 103010244 A CN103010244 A CN 103010244A CN 2012105514021 A CN2012105514021 A CN 2012105514021A CN 201210551402 A CN201210551402 A CN 201210551402A CN 103010244 A CN103010244 A CN 103010244A
- Authority
- CN
- China
- Prior art keywords
- underframe
- lower cover
- web
- rolling stock
- thickness
- 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.)
- Pending
Links
Images
Landscapes
- Metal Rolling (AREA)
Abstract
The invention discloses an underframe for a railway vehicle, wherein the middle part of a web plate of a center beam has a smaller first thickness, and the end part of the web plate has a larger second thickness. Because two end parts of the center beam are connected with sleeper beams and need to bear a larger load, the end part of the web plate has the larger second thickness and can ensure the strength needed for the center beam; and because the middle part of the center beam is connected with crossbeams and only needs to bear a smaller load, the middle part of the web plate has the smaller first thickness and can ensure the strength needed for the center beam. Compared with the web plate with larger thickness in the prior art, the center beam with the structure lowers the self weight and further lowers the weight of the railway vehicle. The invention further provides the railway vehicle, which comprises side walls, end walls and the underframe disclosed by the invention, the underframe is connected with the side walls and the end walls.
Description
Technical field
The present invention relates to car equipment of railway transportation technical field, relate in particular to a kind of underframe for rolling stock.In addition, the invention still further relates to a kind of rolling stock of using above-mentioned underframe.
Background technology
Existing rolling stock generally comprises car body, bogie truck, coupler and draft gear, brake equipment and five essential parts of vehicle interior.Car body generally includes underframe, sidewall and end wall, and underframe mainly plays the effect of support as the base of rolling stock.Along with the development of large-tonnage rolling stock, have higher requirement for the volume of the deadweight that reduces rolling stock, increase rolling stock.
Please refer to Fig. 1, Fig. 1 is the structural representation of chassis of railway vehicle in the prior art; The defective that the below briefly introduces the structure of this underframe and exists in the course of the work.
In the prior art, as shown in Figure 1, this underframe comprise the central sill 1 of vertical setting ', the sleeper beam 2 of horizontally set ', cross bearer 3 ', needle beam 4 ', also comprise horizontally disposed floor 5 ', and be located at the bottom side rail 6 of floor 5 ' side '.The box-structure of central sill 1 ' be welded for upper cover plate, two blocks of webs and lower cover wherein, the even thickness of each plate, the central sill 1 ' intensity of this structure is larger, has guaranteed the working stability of underframe.Yet the weight of above-mentioned underframe is larger, can not adapt to the requirement of current large-tonnage rolling stock.
In view of this, demand urgently for above-mentioned technical matters existing underframe being optimized design, under the prerequisite that guarantees underframe intensity, reduce the weight of rolling stock, increase the volume of rolling stock.
Summary of the invention
Purpose of the present invention is for providing a kind of underframe for rolling stock, and this underframe has reduced the weight of rolling stock under the prerequisite of proof strength, increased the volume of rolling stock, more can adapt to the requirement of current large-tonnage rolling stock.In addition, another object of the present invention is for providing a kind of rolling stock of using above-mentioned underframe.
For solving the problems of the technologies described above, the invention provides a kind of underframe for rolling stock, comprise central sill, sleeper beam and crossbeam, described central sill is the box-structure that upper cover plate, two webs and lower cover surround, the pars intermedia of described central sill is connected with described crossbeam, and the end of described central sill is connected with described sleeper beam; The pars intermedia of described web has the first less thickness, and the end of described web has the second larger thickness.
Preferably, also be provided with the rebound of web between the pars intermedia of described web and the end of described web, the direction of the rebound of described web along the pars intermedia of described web to the end of described web increases to described the second thickness by described the first thickness gradually.
Preferably, the welding of the end of the rebound of the pars intermedia of described web, described web and described web forms described web.
Preferably, the pars intermedia of described lower cover has the 3rd less thickness, and the end of described lower cover has the 4th larger thickness.
Preferably, also be provided with the rebound of lower cover between the pars intermedia of described lower cover and the both ends of described lower cover, the direction of the rebound of described lower cover along the pars intermedia of described lower cover to the end of described lower cover increases to described the 4th thickness by described the 3rd thickness gradually.
Preferably, the welding of the end of the rebound of the pars intermedia of described lower cover, described lower cover and described lower cover forms described lower cover.
Preferably, settings of aliging with described central sill of the roof of described crossbeam middle part, the roof end of described crossbeam is lower than the roof middle part of described crossbeam, the floor of described underframe and the roof of described crossbeam applying setting.
The invention provides a kind of underframe for rolling stock, the pars intermedia of the web of its central sill has the first less thickness, and the end of web has the second larger thickness.
Because the both ends of central sill are connected with sleeper beam, need to bear larger load, therefore the end of web arranges the intensity that the second larger thickness can guarantee that central sill needs, because the pars intermedia of central sill is connected with crossbeam, only need bear less load, so the first less thickness of the pars intermedia setting of web also can guarantee the intensity that central sill needs.With available technology adopting thickness all larger web compare, the central sill of this structure has reduced own wt, and then has reduced the weight of rolling stock.
The present invention also provides a kind of rolling stock, comprises sidewall, end wall and underframe; Described underframe adopts aforesaid underframe, and described underframe is connected with described sidewall, described end wall.
Preferably, the floor of described underframe is connected by arc plate with described sidewall, a sidewall of described arc plate and described floor welded, another sidewall of described arc plate and the welding of described sidewall.
Because above-mentioned underframe has above-mentioned technique effect, therefore, the rolling stock of using this underframe also should have identical technique effect, does not repeat them here.
Description of drawings
Fig. 1 is the structural representation of chassis of railway vehicle in the prior art;
Fig. 2 is the structural representation of a kind of specific embodiment of underframe provided by the present invention;
Fig. 3 is the front view of central sill among Fig. 2;
Fig. 4 is the front view of Fig. 3 median ventral plate;
Fig. 5 is the birds-eye view of lower cover among Fig. 3;
Fig. 6 is the end view of Fig. 3 center member and junction, floor;
Fig. 7 is the structural representation of a kind of specific embodiment of rolling stock provided by the present invention;
Fig. 8 is sidewall and underframe junction partial enlarged drawing among Fig. 7.
Wherein, the Reference numeral among Fig. 1 and the corresponding relation between the component names are:
Central sill 1 '; Sleeper beam 2 '; Cross bearer 3 '; Needle beam 4 '; Floor 5 '; Bottom side rail 6 ';
Reference numeral and the corresponding relation between the component names among Fig. 2 to Fig. 8 are:
Central sill 1; Upper cover plate 11; Web 12; The pars intermedia 121 of web; The end 122 of web; The rebound 123 of web; Lower cover 13; The pars intermedia 131 of lower cover; The both ends 132 of lower cover; The rebound 133 of lower cover;
Sleeper beam 2; Crossbeam 3; The roof middle part 31 of crossbeam; The roof end 32 of crossbeam; Floor 4; Arc plate 5;
Underframe 100; Sidewall 200; End wall 300; Track 400.
The specific embodiment
Core of the present invention is for providing a kind of underframe for rolling stock, and it has different-thickness at diverse location, can reduce the weight of underframe under the prerequisite of proof strength, increases the volume of rolling stock, adapts to the development tendency of current large-tonnage vehicle.In addition, another core of the present invention is for providing a kind of rolling stock that comprises above-mentioned underframe.
In order to make those skilled in the art understand better technical scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Need to prove, the noun of locality " vertically " that occurs herein refer to railroad track length direction, be in the accompanying drawing 1 about the direction of extension; The noun of locality " laterally " refers to the Width of railroad track, i.e. the direction of upper downward-extension in the accompanying drawing 1; Should be appreciated that these nouns of locality set up as benchmark take railroad track and accompanying drawing, their appearance should not affect protection scope of the present invention.
Please refer to Fig. 2 to Fig. 4, Fig. 2 is the structural representation of a kind of specific embodiment of underframe provided by the present invention; Fig. 3 is the front view of central sill among Fig. 2; Fig. 4 is the front view of Fig. 3 median ventral plate.
In a kind of specific embodiment, to shown in Figure 4, the invention provides a kind of underframe for rolling stock such as Fig. 2, this underframe comprises the central sill 1 of vertical setting, sleeper beam 2, crossbeam 3 and the horizontally disposed floor 4 of horizontally set.The box-structure that central sill 1 surrounds for horizontal upper cover plate 11, two webs 12 and horizontal lower cover 13, the both ends of central sill 1 are connected with sleeper beam 2, and the pars intermedia of central sill 1 is connected with crossbeam 3.The pars intermedia 121 of the web 12 of this central sill 1 has the first less thickness, and the end 122 of two webs 12 has the second larger thickness.
Because the both ends of central sill 1 are connected with sleeper beam 2, need to bear larger load, therefore the end 122 of web 12 arranges the intensity that the second larger thickness can guarantee that central sill 1 needs, because the pars intermedia of central sill 1 is connected with crossbeam 3, only need bear less load, so the pars intermedia 121 of web 12 arranges the intensity that the first less thickness can guarantee that also central sill 1 needs.With available technology adopting thickness all larger web compare, the central sill 1 of this structure has reduced own wt, and then has reduced the weight of rolling stock.
In the concrete scheme, can also be provided with the rebound 123 of web 12 between the pars intermedia 121 of above-mentioned web 12 and the end 122 of web 12, the direction that extend the end 122 of the rebound 123 of web 12 along the pars intermedia 121 of web to web 12 increases to the second thickness by the first thickness gradually.
Adopt this structure, the rebound 123 of web 12 is as the pars intermedia 121 of web 12 and the intermediate connector at the both ends 122 of web 12, realized gradually changing of the two thickness, avoid web 12 to concentrate in the course of the work the generation of the phenomenon that is damaged owing to stress, further guaranteed the working stability of central sill 1.Certainly, above-mentioned web 12 is not limited in this form, the pars intermedia 121 of web 12 directly can also be connected with the end 122 of web 12.
In the scheme, end 122 welding of the pars intermedia 121 of above-mentioned web 12, the rebound 123 of web 12 and web 12 form web 12 more specifically.The manufacturing procedure of welding is comparatively simple, and can effectively guarantee the intensity of web 12, strengthens the connection reliability of web 12.Can expect, above-mentioned web 12 only for welding formation by above-mentioned three, can also not adopt integral structure, but the web course of processing of this structure is comparatively complicated.
The specific constructive form of the lower cover 13 of above-mentioned central sill 1 can also further be set.Please refer to Fig. 5, Fig. 5 is the birds-eye view of lower cover among Fig. 3.
In the another kind of specific embodiment, as shown in Figure 5, the pars intermedia 131 of the lower cover 13 of above-mentioned underframe can have the 3rd less thickness, and the end 132 of two lower covers 13 can have the 4th larger thickness.
Similar ground, because the both ends of central sill 1 are connected with sleeper beam 2, need to bear larger load, therefore the end 132 of lower cover 13 arranges the intensity that the 4th larger thickness can guarantee that central sill 1 needs, because the pars intermedia of central sill 1 is connected with crossbeam 3, only need bear less load, so the pars intermedia 131 of lower cover 13 arranges the intensity that the 3rd less thickness can guarantee that also central sill 1 needs.With prior art adopt thickness all larger lower cover compare, the central sill 1 of this structure has reduced own wt, and then has reduced the weight of rolling stock.
In the concrete scheme, also be provided with the rebound 133 of lower cover 13 between the pars intermedia 131 of lower cover 13 and the end 132 of lower cover 13, the direction that extend the end 132 of the rebound 133 of lower cover 13 along the pars intermedia 131 of lower cover 13 to lower cover 13 increases to the 4th thickness by the 3rd thickness gradually.
Similar ground, adopt this structure, the rebound 133 of lower cover 13 is as the pars intermedia 131 of lower cover 13 and the intermediate connector at the both ends 132 of lower cover 13, realized gradually changing of the two thickness, avoid lower cover 13 to concentrate in the course of the work the generation of the phenomenon that is damaged owing to stress, further guaranteed the working stability of central sill 1.Certainly, above-mentioned lower cover 13 is not limited in this form, the pars intermedia 131 of lower cover 13 directly can also be connected with the both ends 132 of lower cover 13.
In the scheme, end 132 welding of the pars intermedia 131 of above-mentioned lower cover 13, the rebound 133 of lower cover 13 and lower cover 13 form lower cover 13 more specifically.The manufacturing procedure of welding is comparatively simple, and can effectively guarantee the intensity of lower cover 13, strengthens the connection reliability of lower cover 13.Can expect, above-mentioned lower cover 13 only for welding formation by above-mentioned three, can also not adopt integral structure, but lower cover 13 courses of processing of this structure are comparatively complicated.
Other specific constructive form of above-mentioned underframe can also further be set.Please refer to Fig. 6, Fig. 6 is the end view of Fig. 3 center member and junction, floor.
In the another kind of specific embodiment, as shown in Figure 6, the roof of above-mentioned crossbeam 3 middle part 31 settings of aliging with central sill 1, the roof end 32 of crossbeam 3 is lower than the roof middle part 31 of crossbeam 3, the roof applying setting of the floor 4 of underframe and crossbeam 3.
Adopt this structure, because the roof end 32 of crossbeam 3 is lower than 31 positions, roof middle part of crossbeam 3, the both ends on the floor 4 of therefore fitting with crossbeam 3 roofs also are lower than the middle part on floor 4, compared with prior art, reduced the vertical distance of part floor 4 apart from track 400, increase the volume of rolling stock, reduced the center of gravity of loaded vehicle, improved the dynamic performance of vehicle.
Please refer to Fig. 7, Fig. 7 is the structural representation of a kind of specific embodiment of rolling stock provided by the present invention.
As shown in Figure 7, the present invention also provides a kind of rolling stock, comprises sidewall 200, end wall 300 and underframe 100; Underframe 100 adopts above-mentioned underframe, and underframe 100 is connected with sidewall 200, end wall 300.
Because above-mentioned underframe 100 has above-mentioned technique effect, therefore, the rolling stock of using this underframe 100 also should have identical technique effect, does not repeat them here.
In the concrete scheme, as shown in Figure 8, Fig. 8 is sidewall and underframe junction partial enlarged drawing among Fig. 7; The floor 4 of above-mentioned underframe 100 can be connected by arc plate 5 with sidewall 200, the side plate of arc plate 5 and floor 4 welding, another side plate of arc plate 5 and sidewall 200 welding.
Adopt this structure, replaced the bottom side rail of prior art to become the intermediate weldment on sidewall and floor 4 with arc plate 5, can realize simply, easily captiveing joint of sidewall 200 and floor 4, guaranteed the stable connection of rolling stock.Because the quality of arc plate 5 is less than the quality of bottom side rail, so this structure further alleviated the weight of rolling stock, increased the load-carrying that rolling stock can bear.
Above a kind of rolling stock provided by the present invention and underframe thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. underframe that is used for rolling stock, comprise central sill (1), sleeper beam (2) and crossbeam (3), described central sill (1) is the box-structure that upper cover plate (11), two webs (12) and lower cover (13) surround, the pars intermedia of described central sill (1) is connected with described crossbeam (3), and the end of described central sill (1) is connected with described sleeper beam (2); It is characterized in that, the pars intermedia (121) of described web (12) has the first less thickness, and the end (122) of described web (12) has the second larger thickness.
2. the underframe for rolling stock according to claim 1, it is characterized in that, also be provided with the rebound (123) of web (12) between the pars intermedia (121) of described web (12) and the end (122) of described web (12), the direction of the rebound (123) of described web (12) along the pars intermedia (121) of described web (12) to the end (122) of described web (12) increases to described the second thickness by described the first thickness gradually.
3. the underframe for rolling stock according to claim 2, it is characterized in that, the rebound (123) of the pars intermedia (121) of described web (12), described web (12) and the welding of the end of described web (12) form described web (12).
4. each described underframe for rolling stock according to claim 1-3, it is characterized in that, the pars intermedia (131) of described lower cover (13) has the 3rd less thickness, and the end (132) of described lower cover (13) has the 4th larger thickness.
5. the underframe for rolling stock according to claim 4, it is characterized in that, also be provided with the rebound (133) of lower cover (13) between the pars intermedia (131) of described lower cover (13) and the both ends (132) of described lower cover (13), the direction of the rebound (133) of described lower cover (13) along the pars intermedia (131) of described lower cover (13) to the end (132) of described lower cover (13) increases to described the 4th thickness by described the 3rd thickness gradually.
6. the underframe for rolling stock according to claim 5, it is characterized in that, the rebound (133) of the pars intermedia (131) of described lower cover (13), described lower cover (13) and the welding of the end (132) of described lower cover (13) form described lower cover (13).
7. each described underframe for rolling stock according to claim 1-3, it is characterized in that, the roof of described crossbeam (3) middle part (31) setting of aliging with described central sill (1), the roof end (32) of described crossbeam (3) is lower than the roof middle part (31) of described crossbeam (3), and the floor of described underframe (4) are fitted with the roof of described crossbeam (3) and arranged.
8. a rolling stock comprises sidewall (200), end wall (300) and underframe (100); It is characterized in that, described underframe (100) adopts such as each described underframe of claim 1-7, and described underframe (100) is connected with described sidewall (200), described end wall (300).
9. rolling stock according to claim 8, it is characterized in that, the floor (4) of described underframe (100) is connected by arc plate (5) with described sidewall (200), one sidewall of described arc plate (5) and described floor (4) welding, another sidewall of described arc plate (5) and described sidewall (200) welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105514021A CN103010244A (en) | 2012-12-18 | 2012-12-18 | Railway vehicle and underframe thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105514021A CN103010244A (en) | 2012-12-18 | 2012-12-18 | Railway vehicle and underframe thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103010244A true CN103010244A (en) | 2013-04-03 |
Family
ID=47959501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105514021A Pending CN103010244A (en) | 2012-12-18 | 2012-12-18 | Railway vehicle and underframe thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103010244A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823357A (en) * | 2019-03-04 | 2019-05-31 | 中车长江车辆有限公司 | A kind of truck and its lower support structure |
| CN110027586A (en) * | 2019-05-08 | 2019-07-19 | 中车青岛四方机车车辆股份有限公司 | A kind of vehicle body bottom frame side rail configuration and the car body with it |
| RU198001U1 (en) * | 2019-09-13 | 2020-06-11 | Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" | BODY OF A WAGON-DUMPKAR |
| CN112874556A (en) * | 2021-02-26 | 2021-06-01 | 中车齐齐哈尔车辆有限公司 | Center sill of flat car and flat car with center sill |
| CN112977493A (en) * | 2021-02-26 | 2021-06-18 | 中车齐齐哈尔车辆有限公司 | Center sill assembly and vehicle with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB641348A (en) * | 1945-04-17 | 1950-08-09 | Budd Co | Improvements in or relating to vehicle underframes |
| CN1907778A (en) * | 2006-08-15 | 2007-02-07 | 中国南车集团眉山车辆厂 | Special open car for carrying coal |
| CN201023902Y (en) * | 2007-04-10 | 2008-02-20 | 中国国际海运集装箱(集团)股份有限公司 | Bottom structure for container |
| CN201494442U (en) * | 2009-09-10 | 2010-06-02 | 南车长江车辆有限公司 | Open wagon body with respectively and vertically arranged side pillars |
| CN202029858U (en) * | 2011-03-30 | 2011-11-09 | 南车长江车辆有限公司 | Railway tub gondola car side wall assembly |
| CN202029861U (en) * | 2011-02-24 | 2011-11-09 | 南车长江车辆有限公司 | Chassis of railway heavy-load freight flatcar |
| WO2012135897A1 (en) * | 2011-04-06 | 2012-10-11 | Bradken Resources Pty Limited | Rail wagon undercarriage |
-
2012
- 2012-12-18 CN CN2012105514021A patent/CN103010244A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB641348A (en) * | 1945-04-17 | 1950-08-09 | Budd Co | Improvements in or relating to vehicle underframes |
| CN1907778A (en) * | 2006-08-15 | 2007-02-07 | 中国南车集团眉山车辆厂 | Special open car for carrying coal |
| CN201023902Y (en) * | 2007-04-10 | 2008-02-20 | 中国国际海运集装箱(集团)股份有限公司 | Bottom structure for container |
| CN201494442U (en) * | 2009-09-10 | 2010-06-02 | 南车长江车辆有限公司 | Open wagon body with respectively and vertically arranged side pillars |
| CN202029861U (en) * | 2011-02-24 | 2011-11-09 | 南车长江车辆有限公司 | Chassis of railway heavy-load freight flatcar |
| CN202029858U (en) * | 2011-03-30 | 2011-11-09 | 南车长江车辆有限公司 | Railway tub gondola car side wall assembly |
| WO2012135897A1 (en) * | 2011-04-06 | 2012-10-11 | Bradken Resources Pty Limited | Rail wagon undercarriage |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823357A (en) * | 2019-03-04 | 2019-05-31 | 中车长江车辆有限公司 | A kind of truck and its lower support structure |
| CN110027586A (en) * | 2019-05-08 | 2019-07-19 | 中车青岛四方机车车辆股份有限公司 | A kind of vehicle body bottom frame side rail configuration and the car body with it |
| RU198001U1 (en) * | 2019-09-13 | 2020-06-11 | Общество с ограниченной ответственностью "Всесоюзный научно-исследовательский центр транспортных технологий" | BODY OF A WAGON-DUMPKAR |
| CN112874556A (en) * | 2021-02-26 | 2021-06-01 | 中车齐齐哈尔车辆有限公司 | Center sill of flat car and flat car with center sill |
| CN112977493A (en) * | 2021-02-26 | 2021-06-18 | 中车齐齐哈尔车辆有限公司 | Center sill assembly and vehicle with same |
| WO2022179060A1 (en) * | 2021-02-26 | 2022-09-01 | 中车齐齐哈尔车辆有限公司 | Middle beam of flatcar, and flatcar having same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106364511B (en) | Rail vehicle end rests the head on external structure | |
| CN103010244A (en) | Railway vehicle and underframe thereof | |
| CN103832446A (en) | Railway vehicle body chassis structure | |
| CN107600097A (en) | A kind of lightweight rail way hopper wagon chassis and method | |
| CN205220689U (en) | Motor car bogie frame and motor car bogie | |
| CN103909948A (en) | Rail vehicle energy-absorbing device | |
| JP2009255641A (en) | Car body construction | |
| WO2016178265A1 (en) | Rail vehicle | |
| CN104527690A (en) | Railway truck chassis | |
| CN107187455A (en) | A kind of lightweight car body for power-centralized type EMUs | |
| CN104787072A (en) | Low-floor railway vehicle chassis structure | |
| CN206265042U (en) | The attachment structure of tank car reinforcement backing plate and draw beam | |
| CN103963797B (en) | A kind of lightweight rail wagon base frame | |
| CN103693064A (en) | Framework for rapid wagon bogie | |
| CN102991515B (en) | A kind of rolling stock and end wall thereof | |
| CN207725409U (en) | A kind of lightweight rail way hopper wagon chassis | |
| CN105015571A (en) | Chassis of low-floor trailer body | |
| CN109969214A (en) | End underframe structure used for rail vehicle and rail vehicle | |
| CN103625486B (en) | A kind of open-top car headwall and truck | |
| CN204137005U (en) | A kind of vehicle body of railway vehicle edge beam of underframe and end pieces connection structure | |
| CN103640585A (en) | Chassis of railway flat wagon | |
| CA3168403A1 (en) | Rail vehicle, and vehicle body and end underframe thereof | |
| RU185962U1 (en) | Sectional gondola car | |
| CN105438051A (en) | Tank car body and tank car underframe connecting device and railway tank car | |
| CN109131406B (en) | Railway vehicle's chassis subassembly and railway vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130403 |