CN103625500B - Chassis of rail vehicle end portion anti-collision structure - Google Patents
Chassis of rail vehicle end portion anti-collision structure Download PDFInfo
- Publication number
- CN103625500B CN103625500B CN201310470927.7A CN201310470927A CN103625500B CN 103625500 B CN103625500 B CN 103625500B CN 201310470927 A CN201310470927 A CN 201310470927A CN 103625500 B CN103625500 B CN 103625500B
- Authority
- CN
- China
- Prior art keywords
- backstop
- end bearing
- bearing framework
- fixing
- chassis
- 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.)
- Active
Links
Landscapes
- Vibration Dampers (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a kind of chassis of rail vehicle end portion anti-collision structure, including anticreeper, energy absorbing component, backstop beam and end bearing framework, described backstop beam is fixed on the front end of described end bearing framework, described anticreeper and described energy absorbing component are fixed on described backstop beam, and described end bearing framework is fixed on the leading section of underframe.Anticreeper, the energy absorption ability of energy absorbing component that the present invention is arranged are bigger so that it is jointly act on hitch and can absorb Impact energy produced by the stroke speed reaching 36km/h.And, by arranging backstop beam, and backstop beam is arranged on the front end of end bearing framework, effectively deformation has been limited in the space before the underframe of end, it is ensured that the escape space of driver.
Description
Technical field
The present invention relates to a kind of rail vehicle, particularly to a kind of chassis of rail vehicle end portion anti-collision structure, belong to rail
Road technical field of vehicle manufacture.
Background technology
Along with Chinese society expanding economy, the quickening of people's lives rhythm, track traffic ground in urban transportation
Position is more and more higher, and people are more and more higher to the security of rail vehicle and the requirement of economy.European Union is special
Formulate " EN15227 railway applications-railroad car crashworthiness require ", it is stipulated that rail vehicle should rationally set
Meter structure, when vehicle has an accident shock, rolling stock front end can absorb enough Impact energies, it is ensured that department
Machine and passenger have enough escape spaces, and the C-I level crash requirements regulation rolling stock in standard EN15227 should
The stroke speed reaching 36km/h can be born.Existing coupler and draft gear and routed energy absorbing component can only meet speed
For the shock of 25km/h, but the 36km/h stroke speed that EN15227C-I level is specified, existing energy absorbing component
Energy absorption not enough, need to improve energy absorbing component, increase its energy absorption.
Car body energy-absorbing mainly by the hitch being arranged on underframe, anti-climbing energy-absorbing device and energy absorbent block, so, car body
Static strength (mainly underframe), while meeting EN12663, is also wanted to bear what EN15227 standard was brought
Bump stroke.
Summary of the invention
Present invention is primarily aimed at solution the problems referred to above and deficiency, it is provided that one can improve deformation energy absorption ability also
And can be by deformation gear chassis of rail vehicle end portion anti-collision structure before console.
For achieving the above object, the technical scheme is that
A kind of chassis of rail vehicle end portion anti-collision structure, including anticreeper, energy absorbing component, backstop beam and end bearing
Framework, described backstop beam is fixed on the front end of described end bearing framework, has a use at the middle part of described backstop beam
In the hole through hitch, it is respectively provided with anticreeper and energy absorbing component, the described anticreeper of every side and suction in the both sides in hole
Can arrange and be separately fixed on described backstop beam by component in parallel, described end bearing framework is fixed on the front end of underframe
Portion.
Further, described end bearing framework includes the side bar of both sides, middle draw beam, in described side bar and institute
Stating many crossbeams of horizontally set between draw beam, described backstop beam is fixed on the front end of described side bar and draw beam.
Further, described backstop beam is a slab construction, and described backstop beam is vertically fixed on described end bearing framework
Front end, its two ends are fixing with the side bar of described end bearing framework respectively to be connected, with described end bearing frame in the middle part of it
The draw beam of frame is fixing to be connected.
Further, fixing connection one upper flange at the top of described backstop beam, the company of fixing in the bottom of described backstop beam
Connecing a lower wing plate, described upper flange, lower wing plate and backstop beam form a bathtub construction.
Further, the reinforcement longeron of flute profile is set between described backstop beam and described end bearing framework, described in add
The front end of strong longeron is fixing with described backstop beam to be connected, the rear end of described reinforcement longeron and described end bearing framework
Crossbeam is fixing to be connected.
Further, respectively arranging the first panting beam at the two ends of described backstop beam, described first panting beam is outwardly
C-shaped configuration, its front end and described backstop beam are fixing to be connected, and the crossbeam of its rear end and described end bearing framework is fixed
Connecting, the side bar of the top of described first panting beam and described end bearing framework is fixing to be connected, its underpart and
Described reinforcement longeron is fixing to be connected.
Further, the second panting beam, institute are set in the side bar junction of described backstop beam Yu described end bearing framework
State the second panting beam and form degree of lip-rounding body structure with described side bar.
Further, described anticreeper is a round tube, and the rear end of described round tube is fixing with the first mounting seat to be connected,
Described first mounting seat is fixed on described backstop beam, and the front end of described round tube is fixing with anti-climbing tooth to be connected.
Further, described energy absorbing component is rectangle impact tube, and the rear end of described impact tube is fixed with the second mounting seat
Connecting, described second mounting seat is fixed on described backstop beam, and the front end of described impact tube is fixing connects Crashworthy plate,
Described impact tube is internal fills energy-absorbing material.
Further, the length of described energy absorbing component is more than or equal to 600mm.
To sum up content, a kind of chassis of rail vehicle end portion anti-collision structure of the present invention, compared with prior art,
Have the advantage that
(1) anticreeper, the energy absorption ability of energy absorbing component that arrange are bigger so that it is jointly act on hitch and can inhale
Receive and reach Impact energy produced by the stroke speed of 36km/h.
(2) by arranging backstop beam, and backstop beam is arranged on the front end of end bearing framework, effectively will become
Shape has been limited in the space before the underframe of end.
(3) by arranging backstop beam, by the two ends of backstop beam and the fixing connection of the side bar of end bearing framework, will be only
The middle part of gear beam and the fixing connection of the draw beam of end bearing framework, and between backstop beam and end bearing framework
Flute profile is set and strengthens longeron, strengthen the structure of backstop beam.Meanwhile, the two ends of backstop beam arrange the first reinforcement of c-type
Beam, makes to be formed between backstop beam two ends and end bearing framework box-structure, firmer, it is possible to effectively to stop
Deformation, it is ensured that the escape space of driver.
(4) by arranging anticreeper on backstop beam, the vertical load that anticreeper produces when bearing Vehicular impact, protect
When having demonstrate,proved collision, vehicle will not climb car phenomenon；Additionally guarantee energy absorbing component is when by compressive load, Zhi Nengyan
Horizontal direction is moved rearwards by, and will not produce flexural deformation, prevent deflection, prevents energy absorbing component from producing in loading process
Raw vertical unstability.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the inverse layer structure schematic diagram of Fig. 1.
As depicted in figs. 1 and 2, anticreeper 1, energy absorbing component 2, backstop beam 3, end bearing framework 4, underframe 5, limit
Beam 6, draw beam 7, crossbeam 8, upper flange 9, lower wing plate 10, strengthen longeron 11, the first panting beam 12, second mends
Brutal 13, the first mounting seat 14, anti-climbing tooth 15, Crashworthy plate 16, the second mounting seat 17, oblong aperture 18.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, a kind of chassis of rail vehicle end portion anti-collision structure, including anticreeper 1, energy absorbing component 2,
Backstop beam 3 and end bearing framework 4, end bearing framework 4 is the part foremost of floor underframe for vehicle 5, and backstop beam 3 is solid
It is scheduled on the leading section of end bearing framework 4, anticreeper 1 and energy absorbing component 2 be positioned at the front of backstop beam 3 and be only fixed on
On gear beam 3.Backstop beam 3 is arranged on the front end of end bearing framework 4, can effectively deformation be limited in underframe 5
In the space in front, end, it is ensured that the escape space of driver.
End bearing framework 4 includes the side bar 6 of both sides, middle draw beam 7, between side bar 6 and draw beam 7 laterally
Many crossbeams 8 are set.Backstop beam 3 is a slab construction, and backstop beam 3 is vertically fixed on end bearing framework 4 front end,
Its two ends are fixing with the side bar 6 of end bearing framework 4 respectively to be connected, with the draw beam 7 of end bearing framework 4 in the middle part of it
Fixing connection.
The top of backstop beam 3 is fixing connects a upper flange 9, and the bottom of backstop beam 3 is fixing connects a lower wing plate 10, upper limb
Plate 9, lower wing plate 10 and backstop beam 3 form a bathtub construction, enhance the strength and stiffness of backstop beam 3.
Arranging the reinforcement longeron 11 of flute profile between the crossbeam 8 of backstop beam 3 and end bearing framework 4, the reinforcement of flute profile is indulged
The front end of beam 11 is fixing with backstop beam 3 to be connected, and the rear end of reinforcement longeron 11 is fixing with crossbeam 8 to be connected.The reinforcement of flute profile
The corresponding anticreeper 1 of longeron 11 and energy absorbing component 2 are installed, and are arranged on anticreeper 1 and energy absorbing component 2 and install on backstop beam 3
Region just after, this structure has been greatly reinforced the bearing capacity of backstop beam 3.
Respectively arrange the first panting beam 12 at the two ends of backstop beam 3, the first panting beam 12 is C-shaped configuration outwardly,
Its front end is fixing with backstop beam 3 to be connected, and its rear end is fixing with the crossbeam 8 of end bearing framework 4 to be connected, the first panting beam
The top (i.e. opening portion) of 12 is fixing with the side bar 6 of end bearing framework 4 to be connected, and longeron is strengthened with flute profile in its underpart
11 fixing connections, make to be formed between backstop beam 3 two ends and end bearing framework 4 box-structure, firmer, keep out
The ability of deformation further enhances.
For further enhancing strength and stiffness, it is additionally provided with in side bar 6 junction of backstop beam 3 with end bearing framework 4
Second panting beam 13 carries out reinforcement, side bar 6 is become shape of the mouth as one speaks body structure by flute profile by the second panting beam 13.
Anticreeper 1 is a round tube, and the rear end of round tube is fixing with the first mounting seat 14 to be connected, the front end of round tube
Fix with anti-climbing tooth 15 and be connected.First mounting seat 14 is fixed on backstop beam 3, for convenience the dismounting and more of collision rift
Changing, the connected mode between the first mounting seat 14 and backstop beam 3 preferably employs bolt and is connected.
Energy absorbing component 2 uses rectangle impact tube, arranges Crashworthy plate 16 in the front end of impact tube, and connection is fixed in rear end
Two mounting seats 17, the second mounting seat 17 is fixed on backstop beam 3, impact tube central filler aluminium honeycomb as energy-absorbing material,
The dismounting of collision rift and replacing for convenience, the connected mode between the second mounting seat 17 and backstop beam 3 preferably employs spiral shell
Tether and connect.
The length of energy absorbing component 2 is more than or equal to 600mm, and this length can make it jointly absorb with anticreeper, hitch
Speed reaches the Impact energy of 36km/h.
Have an oblong aperture 18 at the middle part of backstop beam 3, the hitch being arranged on draw beam 7 passes through oblong aperture 18, and this is long
The size dimension of square hole 18 is determined according to the space shared by the swing of hitch.
The connected mode between each beam and column in general body end portion underframe has welding, riveting and bolting,
But rivet higher to the structural requirement of beam, and the intensity after installation is not as welding.And bolt connects needs at beam
With perforate on post, cumbersome, it is also possible to affect the intensity of beam and column, therefore, in the present embodiment, preferably general is only
Keep off between beam 3 and end bearing framework 4, between backstop beam 3 and upper flange 9 and lower wing plate 10, flute profile strengthens longeron 11
And between backstop beam 3 and crossbeam 8, between the first panting beam 12 and end bearing framework 4, the second panting beam 13 and side bar
Connected mode between 6 all uses and is welded to connect.
The load-supporting parts such as the beam and column in general car body all use material of the same race with car body, according to unlike material, and can
The problem such as corrosion between metal can be had.Car body uses carbon steel material, the most above-mentioned anticreeper 1 in the present embodiment, inhales
Energy parts 2, backstop beam 3, upper flange 9, lower wing plate 10, end bearing framework 4, draw beam 7, side bar 6, crossbeam 8,
Flute profile strengthens longeron 11, the first panting beam 12, the second panting beam 13, the first dress seat 14, the material of the second mounting seat 17
Matter all preferably employs carbon steel.
The anticreeper 1 arranged in the present embodiment and the energy absorption ability of energy absorbing component 2 are bigger, and it can be common with hitch
Impact energy produced by the stroke speed of carrying 36km/h.The length of anticreeper 1 and energy absorbing component 2 makes leading portion underframe
The space of front end is bigger, takes full advantage of the space of underframe front end, front end, creates bigger collision deformation district,
Backstop beam 3 is arranged on the front end of end bearing framework, and collision deformation has been limited in the space before end bearing framework
In.
By arranging backstop beam 3, by two ends and the fixing connection of side bar 6 of end bearing framework 4 of backstop beam 3, will be only
The middle part of gear beam 3 and the fixing connection of draw beam 7 of end bearing framework 4, and at backstop beam 3 and end bearing framework 4
Between arrange flute profile strengthen longeron 11, strengthen the structure of backstop beam 3, the two ends of backstop beam 3 arrange the first benefit simultaneously
Brutal 12, the first panting beam 12 is C-shaped configuration outwardly, makes between backstop beam 3 two ends and end bearing framework 4
Forming box-structure, firmer, the ability keeping out deformation further enhances.
Compared with traditional rolling stock endergonic structure, the energy absorption ability of the energy absorbing component 2 that this endergonic structure is arranged compares
Greatly, and anticreeper 1 also has deformation energy absorption ability, enables the gross energy that drivers' cab front end is absorbed when clashing into
Increasing further, the length of energy absorbing component 2 makes the deformation space of drivers' cab front end bigger, enhances backstop beam simultaneously
The structure of 3, has effectively been limited in collision deformation before end bearing framework, it is ensured that during shock, driver's escapes
Raw space.
By arranging anticreeper 1 on backstop beam 3, the vertical load that anticreeper 1 produces when bearing Vehicular impact, it is ensured that
During collision, vehicle will not climb car phenomenon；Additionally ensure that energy absorbing component, can only be along water when by compressive load
Square to being moved rearwards by, flexural deformation will not be produced, prevent deflection, prevent energy absorbing component from producing in loading process
Vertical unstability.
As it has been described above, combine the plan content given by accompanying drawing, similar technical scheme can be derived.In every case it is
Without departing from the content of technical solution of the present invention, any letter above example made according to the technical spirit of the present invention
Single amendment, equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (10)
1. a chassis of rail vehicle end portion anti-collision structure, it is characterised in that: include anticreeper, energy absorbing component, stop
Gear beam and end bearing framework, described backstop beam is fixed on the front end of described end bearing framework, at described backstop beam
Middle part have one for the oblong aperture through hitch, be respectively provided with anticreeper and energy absorbing component in the both sides of oblong aperture,
Described anticreeper and the energy absorbing component of every side arrange and are separately fixed on described backstop beam the most parallel, institute
State end bearing framework and be fixed on the leading section of underframe.
Chassis of rail vehicle end portion anti-collision structure the most according to claim 1, it is characterised in that: described end
Bearing frame includes the side bar of both sides, middle draw beam, horizontally set between described side bar and described draw beam
Many crossbeams, described backstop beam is fixed on the front end of described side bar and draw beam.
Chassis of rail vehicle end portion anti-collision structure the most according to claim 2, it is characterised in that: described backstop
Beam is a slab construction, and described backstop beam is vertically fixed on described end bearing frame front end, its two ends respectively with institute
State the fixing connection of side bar of end bearing framework, fix with the draw beam of described end bearing framework in the middle part of it and be connected.
Chassis of rail vehicle end portion anti-collision structure the most according to claim 3, it is characterised in that: stop described
The top of gear beam is fixing connects a upper flange, fixing connection one lower wing plate, described upper limb in the bottom of described backstop beam
Plate, lower wing plate and backstop beam form a bathtub construction.
Chassis of rail vehicle end portion anti-collision structure the most according to claim 2, it is characterised in that: stop described
Arranging the reinforcement longeron of flute profile between gear beam and described end bearing framework, the front end of described reinforcement longeron is stopped with described
Gear beam is fixing to be connected, and the rear end of described reinforcement longeron is fixing with the crossbeam of described end bearing framework to be connected.
Chassis of rail vehicle end portion anti-collision structure the most according to claim 5, it is characterised in that: stop described
The two ends of gear beam respectively arrange the first panting beam, and described first panting beam is C-shaped configuration outwardly, its front end and institute
Stating the fixing connection of backstop beam, its rear end is fixing with the crossbeam of described end bearing framework to be connected, described first panting beam
The side bar of top and described end bearing framework fixing is connected, its underpart is fixed with described reinforcement longeron and is connected.
Chassis of rail vehicle end portion anti-collision structure the most according to claim 2, it is characterised in that: stop described
Gear beam arranges the second panting beam, described second panting beam and described limit with the side bar junction of described end bearing framework
Beam forms degree of lip-rounding body structure.
Chassis of rail vehicle end portion anti-collision structure the most according to claim 1, it is characterised in that: described anti-creep
Device is a round tube, and the rear end of described round tube is fixing with the first mounting seat to be connected, and described first mounting seat is fixed
On described backstop beam, the front end of described round tube is fixing with anti-climbing tooth to be connected.
Chassis of rail vehicle end portion anti-collision structure the most according to claim 1, it is characterised in that: described energy-absorbing
Parts are rectangle impact tube, and the rear end of described impact tube is fixing with the second mounting seat to be connected, described second mounting seat
Being fixed on described backstop beam, the front end of described impact tube is fixing connects Crashworthy plate, and internal filling of described impact tube is inhaled
Can material.
10., according to the chassis of rail vehicle end portion anti-collision structure described in any one of claim 1 to 9, its feature exists
In: the length of described energy absorbing component is more than or equal to 600mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470927.7A CN103625500B (en) | 2013-10-10 | 2013-10-10 | Chassis of rail vehicle end portion anti-collision structure |
| ARP140103739A AR097955A1 (en) | 2013-10-10 | 2014-10-07 | PROTECTION STRUCTURE AGAINST COLLISION OF THE FINAL PORTION OF THE RAILWAY VEHICLE LOWER FRAME |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470927.7A CN103625500B (en) | 2013-10-10 | 2013-10-10 | Chassis of rail vehicle end portion anti-collision structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103625500A CN103625500A (en) | 2014-03-12 |
| CN103625500B true CN103625500B (en) | 2016-09-07 |
Family
ID=50207059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310470927.7A Active CN103625500B (en) | 2013-10-10 | 2013-10-10 | Chassis of rail vehicle end portion anti-collision structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103625500B (en) |
| AR (1) | AR097955A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2539110B (en) | 2015-03-12 | 2017-11-15 | Crrc Qingdao Sifang Co Ltd | Railway vehicle and chassis end plate assembly thereof |
| CN104724133B (en) * | 2015-03-12 | 2017-06-06 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle and its underframe end board assembly |
| CN105258901A (en) * | 2015-11-03 | 2016-01-20 | 南车青岛四方机车车辆股份有限公司 | Protection device and method for rail vehicle impact test |
| CN106585654A (en) * | 2016-12-01 | 2017-04-26 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle end underframe structure and rail vehicle with same |
| CN106672000B (en) * | 2016-12-20 | 2019-04-23 | 中车唐山机车车辆有限公司 | Car room energy-absorbing area and rail vehicle |
| CN108482414B (en) * | 2018-03-26 | 2019-06-11 | 中车株洲电力机车有限公司 | Rail vehicle and its rail vehicle lead slow structure |
| CN108313084B (en) * | 2018-04-11 | 2019-07-02 | 中车长春轨道客车股份有限公司 | Meet the underframe of subway structure of the requirement of Unite States Standard ASME RT-2 2014 |
| CN108928359B (en) * | 2018-07-09 | 2020-06-16 | 中车青岛四方机车车辆股份有限公司 | Underframe structure and train with same |
| CN108928358B (en) * | 2018-07-09 | 2020-02-14 | 中车青岛四方机车车辆股份有限公司 | Underframe structure and train with same |
| WO2020173419A1 (en) * | 2019-02-26 | 2020-09-03 | 中车长春轨道客车股份有限公司 | Multiple unit and vehicle body end chassis structure thereof |
| CN112977518B (en) * | 2019-12-13 | 2023-02-28 | 中车唐山机车车辆有限公司 | Rail vehicle and vehicle body and end underframe thereof |
| CN111994107A (en) * | 2020-08-17 | 2020-11-27 | 中车长春轨道客车股份有限公司 | Novel rail vehicle end chassis device |
| CN114148363B (en) * | 2021-12-29 | 2023-09-19 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and end underframe thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0802100A1 (en) * | 1996-04-19 | 1997-10-22 | De Dietrich Ferroviaire | Railway vehicle with a driverscompartment having an energy absorbing structure with progressive deformation |
| CN1368448A (en) * | 2000-12-18 | 2002-09-11 | 阿尔斯托姆公司 | Stock pilothouse with endergonic structure for dealing with collision above carriage |
| CN101070073A (en) * | 2006-05-10 | 2007-11-14 | 株式会社日立制作所 | Railway vehicle with energy absorbing structure |
| CN203094090U (en) * | 2013-03-06 | 2013-07-31 | 南车南京浦镇车辆有限公司 | Train front end structure with anti-creeping energy-absorption device |
| CN203544003U (en) * | 2013-10-10 | 2014-04-16 | 南车青岛四方机车车辆股份有限公司 | Anti-collision structure at end part of chassis of railway vehicle |
-
2013
- 2013-10-10 CN CN201310470927.7A patent/CN103625500B/en active Active
-
2014
- 2014-10-07 AR ARP140103739A patent/AR097955A1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0802100A1 (en) * | 1996-04-19 | 1997-10-22 | De Dietrich Ferroviaire | Railway vehicle with a driverscompartment having an energy absorbing structure with progressive deformation |
| CN1368448A (en) * | 2000-12-18 | 2002-09-11 | 阿尔斯托姆公司 | Stock pilothouse with endergonic structure for dealing with collision above carriage |
| CN101070073A (en) * | 2006-05-10 | 2007-11-14 | 株式会社日立制作所 | Railway vehicle with energy absorbing structure |
| CN203094090U (en) * | 2013-03-06 | 2013-07-31 | 南车南京浦镇车辆有限公司 | Train front end structure with anti-creeping energy-absorption device |
| CN203544003U (en) * | 2013-10-10 | 2014-04-16 | 南车青岛四方机车车辆股份有限公司 | Anti-collision structure at end part of chassis of railway vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103625500A (en) | 2014-03-12 |
| AR097955A1 (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103625500B (en) | Chassis of rail vehicle end portion anti-collision structure | |
| CN106240587A (en) | A kind of rail vehicle vehicle head structure | |
| CN205273623U (en) | Preceding cabin frame assembly | |
| CN203544003U (en) | Anti-collision structure at end part of chassis of railway vehicle | |
| CN201566702U (en) | Small car frame | |
| CN105292262B (en) | Fore sub frame | |
| CN208746012U (en) | Vehicle end absorption systems and rail vehicle among a kind of rail vehicle | |
| CN205706902U (en) | A kind of auto side-crash energy-absorbing high rigidity full aluminum lightweight threshold girder construction | |
| CN104442857B (en) | A kind of railway vehicle cab endergonic structure | |
| CN202827793U (en) | Threshold beam structure of passenger car | |
| CN202320512U (en) | Vehicle body framework | |
| CN107416042B (en) | A kind of endian format framework beam of front of car floor | |
| CN206384047U (en) | Automobile front seat crossbeam assembly structure | |
| CN205930933U (en) | Electric car body ground plate structure | |
| CN106240642B (en) | A kind of vehicle frame and the vehicle with the vehicle frame | |
| CN205524489U (en) | Vehicle roof side rail and have cabin assembly of this roof side rail | |
| CN215794047U (en) | Divide and carry beam structure in threshold | |
| CN103863350B (en) | A kind of combined type endergonic structure and floor underframe for vehicle structure | |
| CN106347405B (en) | A kind of low-floor rail vehicle anticreeper mounting base | |
| CN112977523B (en) | Control vehicle and vehicle body thereof | |
| CN102619448A (en) | Vehicle door reinforcing structure for optimizing offset collision effect | |
| CN203473023U (en) | Strengthening structure of automobile wheel cover plate | |
| CN106515636A (en) | Energy absorption type front lower protective beam device for automobile | |
| CN105000068A (en) | Longitudinal beam assembly giving consideration to collisions on front face and lateral faces of car | |
| CN108100038A (en) | Electric automobile body structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |