CN110116735A - Railway vehicle cab skeleton and railway vehicle cab - Google Patents
Railway vehicle cab skeleton and railway vehicle cab Download PDFInfo
- Publication number
- CN110116735A CN110116735A CN201910370846.7A CN201910370846A CN110116735A CN 110116735 A CN110116735 A CN 110116735A CN 201910370846 A CN201910370846 A CN 201910370846A CN 110116735 A CN110116735 A CN 110116735A
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- China
- Prior art keywords
- frame
- railway vehicle
- vehicle cab
- cab
- drivers
- 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
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- 230000000712 assembly Effects 0.000 claims abstract description 22
- 238000000429 assembly Methods 0.000 claims abstract description 22
- 230000007704 transition Effects 0.000 claims description 20
- 239000012792 core layer Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 5
- 239000011162 core material Substances 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to rail vehicle technical fields, provide railway vehicle cab skeleton and railway vehicle cab.Railway vehicle cab skeleton includes: two side frame assemblies, and the side frame assemblies include inner frame and lateral frame, and the attachment beam of the connection inner frame and lateral frame；Crossbeam is located between two side frame assemblies, and connects two inner frames.This kind of railway vehicle cab skeleton of the invention can reinforce the structural strength of railway vehicle cab skeleton by using unilateral double frame construction (unilateral side frame assemblies include simultaneously inner frame and lateral frame).Also, unilateral double frame construction can reduce drivers' cab weight on the basis of guaranteeing structural strength, and then realize the lightweight of rail vehicle.
Description
Technical field
The present invention relates to rail vehicle technical field more particularly to railway vehicle cab skeleton and rail vehicle drivers
Room.
Background technique
Currently, railway vehicle cab structure is mainly made of drivers' cab skeleton and drivers' cab covering two parts, wherein taking charge of
Machine room skeleton mostly uses stainless steel material or aluminum alloy materials to be welded, and drivers' cab covering uses glass-reinforced plastic material or metal material
Material is made, and is bolted or welds together between drivers' cab covering and drivers' cab skeleton.It is such using metal material
Cab structure weight is big, structural strength still needs to further be promoted and sound-insulating and heat-insulating effect is poor.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
One of purpose of the invention is: providing a kind of railway vehicle cab skeleton and railway vehicle cab, solution
The problem that drivers' cab weight certainly existing in the prior art is big, cab structure intensity is low.
In order to realize the purpose, the present invention provides a kind of railway vehicle cab skeletons, comprising:
Two side frame assemblies, the side frame assemblies include inner frame and lateral frame, and the connection inside
The attachment beam of frame and lateral frame；
Crossbeam is located between two side frame assemblies, and connects two inner frames.
In one embodiment, the drivers' cab skeleton further includes anticreeper, is set to the side frame assemblies
Between inner frame and lateral frame.
In one embodiment, the attachment beam includes top attachment beam, bottom attachment beam and middle part attachment beam, described anti-
Device is climbed to be fixed on the bottom attachment beam.
In one embodiment, the inner frame and lateral frame include vertical beam, the first stringer and profiled beam, described
The bottom end of vertical beam connects the rear end of first stringer；The profiled beam includes First Transition linkage section, the second transition connection section
It is connected with tilting section；The First Transition linkage section connects the top of the vertical beam, described in the second transition connection section connection
The front end of first stringer is connected between the First Transition linkage section and the second transition connection section by the tilting section.
In one embodiment, the inner frame is parallel to the lateral frame.
In one embodiment, the inner frame is concordant with the vertical beam bottom end of lateral frame, and the inner frame
Vertical beam top is higher than the vertical beam top of the lateral frame；The inner frame is concordant with the first stringer rear end of lateral frame,
And the first stringer front end of the inner frame is located at the front of the first stringer front end of the lateral frame.
In one embodiment, the crossbeam include top cross-bar, base cross members and be located at the top cross-bar and bottom
Middle beam between portion's crossbeam, the top cross-bar include preceding top cross-bar and rear top cross-bar, and the base cross members include
Preceding base cross members and rear base cross members；Any second stringer is provided between the preceding base cross members and rear base cross members.
In one embodiment, hitch mounting base is provided with below the preceding base cross members and the second stringer.
In order to realize the purpose, it the present invention provides a kind of railway vehicle cab, including above-mentioned drivers' cab skeleton, also wraps
Include the drivers' cab covering being fixed on the drivers' cab skeleton.
In one embodiment, the drivers' cab covering uses interlayer structure or laminate structure；The interlayer structure packet
The intermediate core layer that foamed material or honeycomb core material are prepared is included, panel is arranged in the two sides of the intermediate core layer；It is described
Laminate structure is made of the paving of carbon fibre composite laying.
Technical solution of the present invention has the advantage that this kind of railway vehicle cab skeleton of the invention, by using
Unilateral double frame construction (unilateral side frame assemblies include simultaneously inner frame and lateral frame), can reinforce rail vehicle department
The structural strength of machine room skeleton.Also, unilateral double frame construction can reduce drivers' cab weight on the basis of guaranteeing structural strength
Amount, and then realize the lightweight of rail vehicle.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the railway vehicle cab skeleton of the embodiment of the present invention；
Fig. 2 is the concrete structure schematic diagram of the railway vehicle cab skeleton of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the railway vehicle cab covering of the embodiment of the present invention；
In figure: 100, drivers' cab skeleton；110, left outside side frame；120, left inside side frame；130, Right Inboard frame；140,
Right lateral frame；150, chassis；200, drivers' cab covering；210, left side window covering；220, front window covering；230, right side window covers
Skin；1, anticreeper；3, hitch mounting base；111, vertical beam；112, profiled beam；113, the first stringer；151, preceding base cross members；152,
Second stringer；154, rear base cross members；161, middle beam；162, preceding top cross-bar；163, rear top cross-bar；171, rear top
Attachment beam；172, preceding top attachment beam；173, middle part attachment beam；174, preceding bottom attachment beam；175, rear bottom attachment beam.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 1, according to an embodiment of the invention, providing railway vehicle cab skeleton 100, comprising:
Two side frame assemblies, side frame assemblies include inner frame and lateral frame, and the connection inner frame
With the attachment beam of lateral frame；
Crossbeam is located between two side frame assemblies, and connects two inner frames.
This kind of railway vehicle cab skeleton 100, by using unilateral double frame construction, (unilateral side frame assemblies are simultaneously
Including inner frame and lateral frame), the structural strength of railway vehicle cab skeleton 100 can be reinforced.Also, unilateral double frames
Frame structure can reduce drivers' cab weight on the basis of guaranteeing structural strength, and then realize the lightweight of rail vehicle.
In Fig. 1, drivers' cab skeleton 100 is outer including left inside side frame 120, left outside side frame 110, Right Inboard frame 130, the right side
Side frame 140 and chassis 150.Since left inside side frame 120 is almost consistent with the structure of Right Inboard frame 130 and in track
It is symmetrical arranged in vehicle drivers room skeleton 100；In addition, the structure almost one of left outside side frame 110 and right lateral frame 140
It causes and is symmetrical arranged in railway vehicle cab skeleton 100, therefore will no longer be distinguished left inside side frame 120 and Right Inboard hereinafter
Frame 130 and left outside side frame 110 and right lateral frame 140.Only retouched based on inner frame and lateral frame
It states.
In one embodiment, drivers' cab skeleton 100 further includes anticreeper 1, is set to the interior of the same side frame assemblies
Between side frame and lateral frame.Specifically, there are gaps between inner frame and lateral frame, by the corresponding gap of anticreeper 1
Place's setting, so that 1 institute of anticreeper is loaded can be effectively transferred to inner frame and lateral frame simultaneously.
Further, attachment beam includes top attachment beam, bottom attachment beam and middle part attachment beam 173.In turn, by that will prevent
Device 1 is climbed to be fixed on the attachment beam of bottom.Wherein it is possible to which anticreeper 1 is fixed in front of the attachment beam of bottom using bolt.This kind of feelings
Under condition, 1 institute of anticreeper is loaded can be transferred to inner frame and lateral frame by bottom attachment beam, and then can effectively mention
The intensity of high drivers' cab resisting longitudinal load.
Further, top attachment beam includes preceding top attachment beam 172 and rear top attachment beam 171；Bottom attachment beam packet
Include preceding bottom attachment beam 174 and rear bottom attachment beam 175.Anticreeper 1 is fixed on preceding bottom attachment beam 174.
Fig. 2 is referred to, inner frame and lateral frame include vertical beam 111, the first stringer 113 and profiled beam 112.In addition
For side frame: the bottom end of its vertical beam 111 connects the rear end of the first stringer 113；Profiled beam 112 include First Transition linkage section,
Second transition connection section is connected with tilting section；First Transition linkage section connects the top of vertical beam 111, the connection of the second transition connection section
The front end of first stringer 113 is connected between First Transition linkage section and the second transition connection section by tilting section.In inner frame
For, structure and lateral frame are roughly the same, therefore it is no longer repeated.
For inner frame and lateral frame using the above structure, structure is simple.Also, First Transition connects
Section, the structure of the second transition connection section and tilting section, so that the front of railway vehicle cab forms streamlined structure design, just
It is flowed rearwardly and upwardly in air-flow along the extending direction of tilting section, and then can guarantee that windage is small in drivers' cab operational process.
It is found by Fig. 2, inner frame is parallel to lateral frame, in the case of this kind, it is ensured that 100 knot of drivers' cab skeleton
The systematicness of structure, and facilitate the installation of anticreeper 1.Also, since the size of lateral frame is integrally less than inner frame, in turn
Many attachment beams are not horizontally disposed, but from inner frame, side-lower extends outwardly, or extends towards outside rear, most
Connection lateral frame eventually.
Further, for each side frame assemblies: 111 bottom end of vertical beam of its inner frame and lateral frame is flat
Together, and 111 top of vertical beam of inner frame be higher than lateral frame 111 top of vertical beam；The first of inner frame and lateral frame
Before 113 rear end of stringer is concordant, and 113 front end of the first stringer of inner frame is located at 113 front end of the first stringer of lateral frame
Side.Thus airflow design is formed in the two sides of railway vehicle cab.In turn, in drivers' cab operational process, air-flow can be along
Gradient between inner frame and lateral frame is spread to the two sides of drivers' cab, to reduce the operation windage of drivers' cab.
In one embodiment, crossbeam include top cross-bar, base cross members and be located at top cross-bar and base cross members it
Between middle beam 161.
Further, top cross-bar includes preceding top cross-bar 162 and rear top cross-bar 163, and base cross members include preceding bottom
Crossbeam 151 and rear base cross members 154；Any second stringer 152 is provided between preceding base cross members 151 and rear base cross members 154.
Wherein, preceding base cross members 151, rear base cross members 154 and the combination of the second stringer 152 form chassis 150.In turn, two
It is attached between the bottom of a side frame assemblies by chassis 150.In Fig. 2, the quantity of the second stringer 152 is two.It is very aobvious
So, the quantity of the second stringer 152 is not limited by the accompanying figures.
In Fig. 2, the lower section of preceding base cross members 151 and the second stringer 152 is provided with hitch mounting base 3.Hitch is installed
The infall of preceding base cross members 151 and the second stringer 152 is arranged in seat 3, it is ensured that the installation strength of hitch mounting base 3.
The above railway vehicle cab skeleton 100 is under normal circumstances full symmetric structure, namely on a left side for drivers' cab
Side and right side are symmetrically arranged with above-mentioned side frame assemblies, and the bilateral symmetry such as crossbeam, attachment beam, anticreeper 1.Wherein, " left
It is right symmetrical " what is referred to is drivers' cab using along being parallel to the perpendicular of rail vehicle longitudinal direction as the situation of symmetrical plane.
In one embodiment, all structures of drivers' cab skeleton 100 are all made of carbon fibre composite, by whole solid altogether
Change moulding process to be made to obtain.In turn, 100 intensity of drivers' cab skeleton obtained is high, light-weight, the wall thickness of all composition beams
It can control between 5mm~20mm.
The above drivers' cab skeleton 100 bears the longitudinal loading that anticreeper 1 transmits by the side frame assemblies of the right and left,
Impact strength is big, and safety of structure and stability are good, and 100 integral strength of drivers' cab skeleton and rigidity get a promotion.In addition,
When drivers' cab skeleton 100 is using carbon fibre composite, drivers' cab overall weight can be reduced.
It further include solid according to an embodiment of the invention, providing railway vehicle cab, including above-mentioned drivers' cab skeleton 100
The drivers' cab covering 200 being scheduled on drivers' cab skeleton 100.
The structure of drivers' cab covering 200 refers to Fig. 3, including left side window covering 210, front window covering 220 and right side window cover
Skin 230.
In one embodiment, drivers' cab covering 200 uses interlayer structure or laminate structure.
Wherein, interlayer structure includes the intermediate core layer that foamed material or honeycomb core material are prepared, with a thickness of 10mm
~30mm.Intermediate core layer two sides be arranged outer side panel, outer side panel use carbon fibre composite, thickness 2mm~
5mm.Using technological formings such as gluing or solidifications between intermediate core layer and outer side panel.
Laminate structure is made of the paving of carbon fibre composite laying, and laminate thickness is 5mm~15mm.
It further, can be using the connection of the techniques such as splicing between drivers' cab skeleton 100 and drivers' cab covering 200.
Upper embodiment is merely to illustrate the present invention, rather than limitation of the present invention.Although referring to embodiment to the present invention
It is described in detail, those skilled in the art should understand that, various combinations are carried out to technical solution of the present invention, are repaired
Change or equivalent replacement should all cover without departure from the spirit and scope of technical solution of the present invention in claim of the invention
In range.
Claims (10)
1. a kind of railway vehicle cab skeleton characterized by comprising
Two side frame assemblies, the side frame assemblies include inner frame and lateral frame, and the connection inner frame
With the attachment beam of lateral frame；
Crossbeam is located between two side frame assemblies, and connects two inner frames.
2. railway vehicle cab skeleton according to claim 1, which is characterized in that the drivers' cab skeleton further includes preventing
Device is climbed, is set between the inner frame and lateral frame of the side frame assemblies.
3. railway vehicle cab skeleton according to claim 2, which is characterized in that the attachment beam includes top connection
Beam, bottom attachment beam and middle part attachment beam, the anticreeper are fixed on the bottom attachment beam.
4. railway vehicle cab skeleton as claimed in any of claims 1 to 3, which is characterized in that the inside
Frame and lateral frame include vertical beam, the first stringer and profiled beam, after the bottom end of the vertical beam connects first stringer
End；The profiled beam includes that First Transition linkage section, the second transition connection section are connected with tilting section；The First Transition linkage section
The top of the vertical beam is connected, second transition connection section connects the front end of first stringer, the First Transition connection
It is connected between section and the second transition connection section by the tilting section.
5. railway vehicle cab skeleton according to claim 4, which is characterized in that the inner frame is parallel to described
Lateral frame.
6. railway vehicle cab skeleton according to claim 5, which is characterized in that the inner frame and lateral frame
Vertical beam bottom end it is concordant, and the vertical beam top of the inner frame be higher than the lateral frame vertical beam top；The inner side frame
Frame is concordant with the first stringer rear end of lateral frame, and the first stringer front end of the inner frame is located at the lateral frame
The front of first stringer front end.
7. railway vehicle cab skeleton as claimed in any of claims 1 to 3, which is characterized in that the crossbeam
Including top cross-bar, base cross members and the middle beam between the top cross-bar and base cross members, the top is horizontal
Beam includes preceding top cross-bar and rear top cross-bar, and the base cross members include preceding base cross members and rear base cross members；The preceding bottom
Any second stringer is provided between portion's crossbeam and rear base cross members.
8. railway vehicle cab skeleton according to claim 7, which is characterized in that in the preceding base cross members and
Hitch mounting base is provided with below two stringers.
9. a kind of railway vehicle cab, which is characterized in that including drivers' cab bone described in any one of claim 1 to 8
Frame further includes the drivers' cab covering being fixed on the drivers' cab skeleton.
10. the railway vehicle cab according to claim 9, which is characterized in that the drivers' cab covering is using folder
Core structure or laminate structure；The interlayer structure includes the intermediate core layer that foamed material or honeycomb core material are prepared,
Panel is arranged in the two sides of the intermediate core layer；The laminate structure is made of the paving of carbon fibre composite laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370846.7A CN110116735A (en) | 2019-05-06 | 2019-05-06 | Railway vehicle cab skeleton and railway vehicle cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370846.7A CN110116735A (en) | 2019-05-06 | 2019-05-06 | Railway vehicle cab skeleton and railway vehicle cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110116735A true CN110116735A (en) | 2019-08-13 |
Family
ID=67521735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370846.7A Pending CN110116735A (en) | 2019-05-06 | 2019-05-06 | Railway vehicle cab skeleton and railway vehicle cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110116735A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002302036A (en) * | 2001-04-03 | 2002-10-15 | Kawasaki Heavy Ind Ltd | Front body structure for head vehicle |
| US20070261591A1 (en) * | 2006-05-09 | 2007-11-15 | Raul V. Bravo & Associates, Inc. | Passenger rail car |
| CN101817350A (en) * | 2010-05-10 | 2010-09-01 | 南车株洲电力机车有限公司 | Cab |
| CN202624228U (en) * | 2012-04-24 | 2012-12-26 | 南车南京浦镇车辆有限公司 | Installation structure for rail vehicle cab framework and vehicle body |
| CN102975731A (en) * | 2012-04-24 | 2013-03-20 | 南车南京浦镇车辆有限公司 | Installation structure of railway vehicle cab framework and vehicle body |
| CN205737761U (en) * | 2016-05-13 | 2016-11-30 | 徐州徐工挖掘机械有限公司 | Mechanical wheel quarry tipper anti-roll cab framework structure |
| CN208007115U (en) * | 2018-03-15 | 2018-10-26 | 中国第一汽车股份有限公司 | Detachable flat-headed heavy duty truck driver's cabin |
| CN109177995A (en) * | 2018-09-06 | 2019-01-11 | 中车青岛四方机车车辆股份有限公司 | Vehicle end skeleton structure and rail vehicle with it |
| CN210212379U (en) * | 2019-05-06 | 2020-03-31 | 中车工业研究院有限公司 | Rail vehicle cab framework and rail vehicle cab |
-
2019
- 2019-05-06 CN CN201910370846.7A patent/CN110116735A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002302036A (en) * | 2001-04-03 | 2002-10-15 | Kawasaki Heavy Ind Ltd | Front body structure for head vehicle |
| US20070261591A1 (en) * | 2006-05-09 | 2007-11-15 | Raul V. Bravo & Associates, Inc. | Passenger rail car |
| CN101817350A (en) * | 2010-05-10 | 2010-09-01 | 南车株洲电力机车有限公司 | Cab |
| CN202624228U (en) * | 2012-04-24 | 2012-12-26 | 南车南京浦镇车辆有限公司 | Installation structure for rail vehicle cab framework and vehicle body |
| CN102975731A (en) * | 2012-04-24 | 2013-03-20 | 南车南京浦镇车辆有限公司 | Installation structure of railway vehicle cab framework and vehicle body |
| CN205737761U (en) * | 2016-05-13 | 2016-11-30 | 徐州徐工挖掘机械有限公司 | Mechanical wheel quarry tipper anti-roll cab framework structure |
| CN208007115U (en) * | 2018-03-15 | 2018-10-26 | 中国第一汽车股份有限公司 | Detachable flat-headed heavy duty truck driver's cabin |
| CN109177995A (en) * | 2018-09-06 | 2019-01-11 | 中车青岛四方机车车辆股份有限公司 | Vehicle end skeleton structure and rail vehicle with it |
| CN210212379U (en) * | 2019-05-06 | 2020-03-31 | 中车工业研究院有限公司 | Rail vehicle cab framework and rail vehicle cab |
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