CN107554546A - A kind of bogie frame and the bogie with the bogie frame - Google Patents
A kind of bogie frame and the bogie with the bogie frame Download PDFInfo
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- CN107554546A CN107554546A CN201710852362.7A CN201710852362A CN107554546A CN 107554546 A CN107554546 A CN 107554546A CN 201710852362 A CN201710852362 A CN 201710852362A CN 107554546 A CN107554546 A CN 107554546A
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- crossbeam
- curb girder
- connecting portion
- bell
- spigot
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Abstract
The invention discloses a kind of bogie frame, including two curb girders and a crossbeam being fixed between two curb girders, crossbeam and curb girder are body beam, and crossbeam is H-shaped, and the connecting portion at its both ends is respectively to the oblique gathering of its cross central line；Side rail inner is provided with the bell and spigot formed by its upper cover plate and lower cover；The upper cover plate of each connecting portion of crossbeam is mutually butted with forming the part of bell and spigot on corresponding curb girder upper cover plate, and the lower cover of each connecting portion of crossbeam is mutually butted with forming the part of bell and spigot on corresponding curb girder lower cover；The outer cant board of each connecting portion of crossbeam is connected with each other beyond the end of its upper cover plate and lower cover and out of corresponding bell and spigot insertion curb girder with curb girder.The bogie frame is easy to be welded to connect in group pair, and the reliability being welded to connect is high, stability is good, and enough installing spaces are provided for miscellaneous part in the inside region of curb girder.The invention also discloses a kind of bogie for including above-mentioned bogie frame.
Description
Technical field
The present invention relates to bogie technique field, more particularly to bogie frame.The invention further relates to provided with above-mentioned steering
The bogie of framework frame.
Background technology
In rail vehicle, bogie is its important component, and bogie is vehicle traction, brake force, vehicle load
Lotus and the direct recipient of track external force, riding quality and passenger traffic to vehicle play safely vital effect.
In the framework of bogie, crossbeam and curb girder are main load bearing components, crossbeam transverse weld between curb girder, with
Left and right curb girder is connected as a rigid entirety, and crossbeam can be divided into piece for round tube-shaped cross beam and the box crossbeam being welded by sheet material,
When using piece for round tube-shaped cross beam, it usually needs two parallel crossbeams of arrangement, when using box crossbeam, it can be one whole
The structural strength of the crossbeam of body, crossbeam and curb girder and bonding strength between the two have weight to the bulk strength of bogie frame
It is big to influence.
At present, generally by setting transition piece to be attached between the both ends of box crossbeam and curb girder.Such a connection
When mode is attached, welding quality is low, and connection reliability is poor, is easily damaged, and manufacturability is bad, also exist space-consuming compared with
Greatly, processing capacity is larger, is not easy to the defects of installation.
In addition, two in existing bogie be that vertical damper is typically all arranged between curb girder and sleeper beam and is located at curb girder
Outside, apart from car body distance between center line farther out, at work because car body rotate and caused by up and down stroke it is larger, two systems can be influenceed
The service life of vertical damper, even it is damaged when serious.
Therefore, the defects of how overcoming existing bogie to exist, it is the technology that those skilled in the art need to solve at present
Problem.
The content of the invention
In view of this, it is an object of the invention to provide a kind of bogie frame, the bogie frame is not only convenient in group pair
Shi Jinhang is welded to connect, and the reliability that is welded to connect is high, stability is good, additionally it is possible in the inside region of curb girder is other portions
Part provides enough installing spaces, so as to improve the flexibility of bogie frame design.It is a further object of the present invention to provide one
Kind includes the bogie of above-mentioned bogie frame, and its bogie frame is not only convenient for being welded to connect in group pair, and welds
The reliability that connects in succession is high, stability is good, additionally it is possible to enough installing spaces are provided for miscellaneous part in the inside region of curb girder,
So as to improve the flexibility of bogie frame design.
To achieve the above object, the present invention provides following technical scheme：
A kind of bogie frame, including two curb girders and a crossbeam being fixed between two curb girders, it is described
Crossbeam and the curb girder are body beam, and the crossbeam is H-shaped, and the connecting portion at its both ends is respectively to the oblique receipts of its cross central line
Hold together；The side rail inner is provided with the bell and spigot formed by its upper cover plate and lower cover；The upper cover plate of each connecting portion of crossbeam with
The part that the bell and spigot is formed on the corresponding curb girder upper cover plate is mutually butted, the lower cover of each connecting portion of crossbeam with it is right
The part for forming the bell and spigot on the curb girder lower cover is answered to be mutually butted；The outer cant board of each connecting portion of crossbeam exceeds
The end of its upper cover plate and lower cover is simultaneously connected with each other out of the corresponding bell and spigot insertion curb girder with the curb girder.
Preferably, the upper cover plate of junction corresponding with crossbeam and lower cover extend internally on the curb girder, formed with it is described
The corresponding bell and spigot of each connecting portion of crossbeam.
Preferably, the end face that the position of the bell and spigot is formed on the upper cover plate of the curb girder connects with the corresponding crossbeam
The upper cover plate end face of socket part is adapted, and the end face of the position of the bell and spigot and corresponding institute are formed on the lower cover of the curb girder
The lower cover end face for stating crossbeam connecting portion is adapted.
Preferably, the outer cant board of the connecting portion is the arc of indent.
Preferably, the outer cant board of the connecting portion by the first straight panel section in the bell and spigot corresponding to being inserted in, from
Extend in the middle part of the crossbeam and the second straight panel section to the oblique gathering of its cross central line and located at the first straight panel section
Transition arc section between the second straight panel section is formed.
Preferably, the outer cant board of each connecting portion of the crossbeam is inserted in the curb girder and same by the corresponding bell and spigot
When be welded to connect with the upper cover plate, lower cover and riser of the curb girder.
Preferably, the curb girder is the recessed U-shaped structure beam in middle part, and the bell and spigot is located at the lower recess of the curb girder
Put.
Preferably, the outside of the outer cant board of the crossbeam connecting portion is vertical damper holder provided with two, is corresponded on sleeper beam
It is that the position of the surface of vertical damper holder is provided with for connection two connecting portions at the top for being vertical damper in described two.
Preferably, the upper cover plate of each connecting portion of the crossbeam forms the bell and spigot with the corresponding curb girder upper cover plate
It is partially in same plane and is mutually butted, the lower cover of each connecting portion of crossbeam is formed with the corresponding curb girder lower cover
The bell and spigot is partially in same plane and is mutually butted.
A kind of bogie, including bogie frame, the bogie frame are the bogie as described in above-mentioned any one
Framework.
In bogie frame provided by the invention, crossbeam is directly connected to curb girder, without setting transition of the prior art
Connector, bogie frame is set to be not only convenient for being welded to connect in group pair, and the reliability being welded to connect is high, stability
It is good；, can be in the inside region of curb girder due to the connecting portion oblique gathering of cross central line to crossbeam respectively at the both ends of crossbeam
Enough installing spaces are provided for miscellaneous part, so as to improve the flexibility of bogie frame design；Crossbeam and curb girder are set
For body beam, be advantageous to mitigate the overall weight of framework, save material.
The bogie provided by the invention for including above-mentioned bogie frame, its bogie frame are not only convenient for entering in group pair
Row is welded to connect, and the reliability being welded to connect is high, stability is good, additionally it is possible to is carried in the inside region of curb girder for miscellaneous part
For enough installing spaces, so as to improve the flexibility of bogie frame design.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the main structure diagram of motor car bogie framework provided by the present invention；
Fig. 2 is enlarged drawing at the A in Fig. 1；
Fig. 3 is the backsight structural representation of motor car bogie framework provided by the present invention；
Fig. 4 is the top view of motor car bogie framework provided by the present invention；
Fig. 5 is the front view of motor car bogie framework provided by the present invention；
Fig. 6 is the side view of motor car bogie framework provided by the present invention；
Fig. 7 is the structural representation of motor car bogie provided by the present invention；
Fig. 8 is the main structure diagram of set trailer bogie frame provided by the present invention；
Fig. 9 is the structural representation of trailer bogie provided by the present invention.
Fig. 1 is into Fig. 9,1- crossbeams, 2- curb girders, 21- bell and spigots, and 3- bis- is vertical damper holder, 4- sleeper beams, and the systems of 5- bis- hang down
To shock absorber.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The core of the present invention is to provide a kind of bogie frame, and the bogie frame is not only convenient for welding in group pair
Connection, and the reliability being welded to connect is high, stability is good, additionally it is possible to provided enough for miscellaneous part in the inside region of curb girder
Installing space, so as to improve bogie frame design flexibility.Another core of the present invention is to provide a kind of including above-mentioned
The bogie of bogie frame, its bogie frame be not only convenient for group pair when be welded to connect, and be welded to connect can
It is good by property height, stability, additionally it is possible to enough installing spaces are provided for miscellaneous part in the inside region of curb girder, are turned so as to improve
Flexibility to frame frame design.
Fig. 1 to Fig. 9 is refer to, Fig. 1 is the main structure diagram of motor car bogie framework provided by the present invention；Fig. 2 is
Enlarged drawing at A in Fig. 1；Fig. 3 to Fig. 6 is followed successively by the backsight structural representation of motor car bogie framework provided by the present invention, bowed
View, front view and side view；Fig. 7 is the structural representation of motor car bogie provided by the present invention；Fig. 8 is carried by the present invention
For the main structure diagram of set trailer bogie frame；Fig. 9 is the structural representation of trailer bogie provided by the present invention.
In a kind of specific embodiment of bogie frame provided by the present invention, including two curb girders 2 and one are fixed at
Crossbeam 1 between two curb girders 2, crossbeam 1 can specifically form H-shaped structure with curb girder 2.Crossbeam 1 and curb girder 2 are body beam,
The periphery wall of crossbeam 1 and curb girder 2 surrounds by upper cover plate, lower cover and riser.
Crossbeam 1 is H-shaped, the connecting portion oblique gathering of cross central line to crossbeam 1 respectively at the both ends of crossbeam 1, i.e., in car
On cross direction, the both ends of crossbeam 1 respectively form two branches for being used to connect curb girder 2, and because crossbeam 1 is H-shaped, crossbeam 1 is each
The interior cant board and remote set close to the cross central line of crossbeam 1 is may each comprise in the riser of each branch in connecting portion
The outer cant board that the cross central line of crossbeam 1 is set, the setting of interior cant board can improve the bulk strength of bogie frame, together
When, the middle part of 1 each connecting portion of crossbeam and curb girder 2 forms opening shape, and the opening can provide enough spaces to realize this
The welding of interior cant board and crossbeam 1, the upper and lower cover plate of curb girder 2.
The inner side of curb girder 2 is provided with the bell and spigot 21 formed by the upper cover plate and lower cover of the curb girder 2.Each connection of crossbeam 1
The upper cover plate in portion is mutually butted with forming the part of bell and spigot 21 on the corresponding upper cover plate of curb girder 2, the lower cover of 1 each connecting portion of crossbeam
It is mutually butted with the part that bell and spigot 21 is formed on the corresponding lower cover of curb girder 2.
The outer cant board of 1 each connecting portion of crossbeam is beyond the upper cover plate of crossbeam 1 and the end of lower cover, i.e., in overall width direction
On, the outer cant board of crossbeam 1 is stretched out in outside its upper cover plate, lower cover.The outer cant board end of 1 each connecting portion of crossbeam is from correspondingly
Bell and spigot 21 insert curb girder 2 in be connected with each other with curb girder 2.
Crossbeam 1 can specifically be achieved a fixed connection with curb girder 2 by welding manner.The crossbeam 1 of motor car bogie framework with
Curb girder 2 can be configured in the manner described above, and crossbeam 1 and the curb girder 2 of set trailer bogie frame can also be in the manner described above
It is configured.
In such a bogie frame, crossbeam 1 is directly connected to curb girder 2, without setting transition piece of the prior art,
Bogie frame is set to be not only convenient for being welded to connect in group pair, and the reliability being welded to connect is high, stability is good；Due to
The oblique gathering of cross central line to crossbeam 1 respectively of the connecting portion at the both ends of crossbeam 1, can be it in the inside region of curb girder 2
He provides enough installing spaces by part, so as to improve the flexibility of bogie frame design；Crossbeam 1 and curb girder 2 are arranged to
Body beam, be advantageous to mitigate the overall weight of framework, save material.
In above-described embodiment, the upper cover plate on curb girder 2 with 1 corresponding junction of crossbeam extends internally with lower cover, formed with
The corresponding bell and spigot 21 of 1 each connecting portion of crossbeam.That is, the position of bell and spigot 21, the upper lid of the curb girder 2 are set in a curb girder 2
Plate and lower cover are directed towards the direction extension of another curb girder 2, consequently facilitating the group between crossbeam 1 and curb girder 2 is entered to process
OK, meanwhile, on the upper cover plate of curb girder 2 individually extend a part of structure and carry out connecting cross beam 1, can prevent crossbeam 1 from taking curb girder 2
Space used in upper connection miscellaneous part, so as to prevent other positions of curb girder 2 from producing interference to process to group.
In above-mentioned each embodiment, the end face of the position of bell and spigot 21 and corresponding crossbeam 1 are formed on the upper cover plate of curb girder 2
The upper cover plate end face of connecting portion is adapted, and the end face that the position of bell and spigot 21 is formed on the lower cover of curb girder 2 connects with corresponding crossbeam 1
The lower cover end face of socket part is adapted.Wherein, be adapted refer to shape it is corresponding and both can complete seamless combination, with crossbeam
Exemplified by the upper cover plate of 1 each connecting portion and the end face of lower cover are flat face, formed on the upper cover plate and lower cover on curb girder 2
End face at bell and spigot 21 is also the flat face that area is identical, shape and angle of inclination are corresponding.Such a set-up mode can be with
Ensure that crossbeam 1 and the edge of the junction of curb girder 2 are more smooth, connection is reliable, and is advantageous to save material.
In above-mentioned each embodiment, the outer cant board of connecting portion is specifically as follows the arc of indent, and indent refers to court
To the cross central line of crossbeam 1 be recessed, with further expand in bogie frame using space, meanwhile, reduce crossbeam 1, side
The stress concentration of the junction of beam 2, improve bonding strength.Wherein, the connecting portion of crossbeam 1 can carry out variable cross-section design, to reduce
Crossbeam 1, the stress concentration of the junction of curb girder 2.
Or the outer cant board of connecting portion can by the first straight panel section in bell and spigot 21 corresponding to being inserted in, from horizontal stroke
The middle part of beam 1 extend and the second straight panel section of the oblique gathering of cross central line to crossbeam 1 and be arranged on the first straight panel section with
Transition arc section between second straight panel section is formed.That is, crossbeam 1 connecting portion direction of the outer cant board along overall width in
Portion is outwards the second straight panel section, transition arc section and the first straight panel section successively.Such a set-up mode is easy to process, and particularly will
It is inserted in the part inside curb girder 2 and is arranged to the orientation that straight panel shape can be easy to determination to connect.
Specifically, the outer cant board of the connecting portion of crossbeam 1 can be formed in one part, including the second straight panel section, transition arcs
Shape plate section and the first straight panel section three parts structure, or, the outer cant board of the connecting portion of crossbeam 1 can use segmented welding
Mode connects shaping.
In above-mentioned each embodiment, the outer cant board of 1 each connecting portion of crossbeam can be inserted in side by corresponding bell and spigot 21
Beam 2, and the upper cover plate, lower cover and riser with curb girder 2 are welded to connect simultaneously, can with ensure to connect between crossbeam 1 and curb girder 2
By property.It is of course also possible to the outer cant board length of the connecting portion of crossbeam 1 is determined in other ways according to actual conditions.
In above-mentioned each embodiment, curb girder 2 can be the recessed U-shaped structure beam in middle part, and up concave type structure can be each zero
Part provides mounting structure, and bell and spigot 21 can be arranged on the recessed location of curb girder 2.Such a set-up mode can ensure bogie
The bulk strength of framework, while increase the length value on crossbeam 1 with the junction of curb girder 2 on vehicle commander direction as far as possible, ensure
The connection area of crossbeam 1 and curb girder 2.
In above-mentioned each embodiment, the outside of the outer cant board of the connecting portion of crossbeam 1 is vertical damper holder 3 provided with two, pillow
The tops for being used for that connection two to be vertical damper 5 can be provided with by corresponding to the position of two surfaces for being vertical damper holder 3 on beam 4
The connecting portion in portion.Such a set-up mode can while effectiveness in vibration suppression is ensured, make full use of inside bogie frame can profit
With space, reduce rotational travel.Specifically, it is vertical subtract that two ends of the crossbeam 1 on overall width direction, which can respectively set one two,
Shake device seat 3.
In above-mentioned each embodiment, crossbeam 1 is specifically as follows casting group with curb girder 2 and is welded to after.Wherein, crossbeam 1
With a number of dividing plate can be provided with curb girder 2 as needed, further to increase the anti-torsional strength of framework.In addition, every
Lightening hole can be set on plate, to mitigate the whole of bogie frame as far as possible while bogie frame intensity requirement is met
Body weight, save material.
In above-mentioned each embodiment, the upper cover plate of each connecting portion of crossbeam 1 forms bell and spigot with the corresponding upper cover plate of curb girder 2
21 part may be at same plane and be mutually butted, the lower cover of 1 each connecting portion of crossbeam and shape on the corresponding lower cover of curb girder 2
Same plane is may be at into the part of bell and spigot 21 and is mutually butted.It is plane in the link position of crossbeam 1 and curb girder 2, can
With to set miscellaneous part to provide facility thereon.Certainly, the upper cover plate of each connecting portion of crossbeam 1 with the corresponding upper cover plate of curb girder 2
The part for forming bell and spigot 21 can also have certain difference in height, the lower cover of 1 each connecting portion of crossbeam and the corresponding lower cover of curb girder 2
The part for forming bell and spigot 21 on plate can also have certain difference in height.
Except above-mentioned bogie frame, present invention also offers a kind of including bogie frame disclosed in above-described embodiment
Bogie, its bogie frame is not only convenient for being welded to connect in group pair, and the reliability being welded to connect is high, stability
It is good, additionally it is possible to enough installing spaces to be provided for miscellaneous part in the inside region of curb girder, so as to improve bogie frame design
Flexibility.The structure of other each several parts of the bogie refer to prior art, repeat no more herein.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Detailed Jie has been carried out to bogie frame provided by the present invention and the bogie with the bogie frame above
Continue.Specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention.It should be pointed out that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improve and repaiied
Decorations are also fallen into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of bogie frame, including two curb girders (2) and a crossbeam being fixed between two curb girders (2)
(1), the crossbeam (1) and the curb girder (2) are body beam, it is characterised in that the crossbeam (1) is H-shaped, the company at its both ends
Socket part is respectively to the oblique gathering of its cross central line；It is provided with the inside of the curb girder (2) and is held by what its upper cover plate and lower cover were formed
Socket (21)；The upper cover plate of each connecting portion of the crossbeam (1) forms the bell and spigot with corresponding curb girder (2) upper cover plate
(21) part is mutually butted, and the lower cover of each connecting portion of the crossbeam (1) forms institute with corresponding curb girder (2) lower cover
The part for stating bell and spigot (21) is mutually butted；The outer cant board of each connecting portion of the crossbeam (1) exceeds its upper cover plate and lower cover
End and being inserted from the corresponding bell and spigot (21) in the curb girder (2) be connected with each other with the curb girder (2).
2. bogie frame according to claim 1, it is characterised in that connection corresponding with crossbeam (1) on the curb girder (2)
The upper cover plate and lower cover at place extend internally, and form the bell and spigot (21) corresponding with the crossbeam (1) each connecting portion.
3. bogie frame according to claim 2, it is characterised in that described in being formed on the upper cover plate of the curb girder (2)
The end face of the position of bell and spigot (21) is adapted with the upper cover plate end face of corresponding crossbeam (1) connecting portion, the curb girder (2)
Lower cover on formed the bell and spigot (21) position end face and corresponding crossbeam (1) connecting portion lower cover end face
It is adapted.
4. bogie frame according to claim 3, it is characterised in that the outer cant board of the connecting portion is the arc of indent
Shape plate.
5. bogie frame according to claim 3, it is characterised in that the outer cant board of the connecting portion is by being inserted in pair
The first straight panel section in the bell and spigot (21) for answering, extend in the middle part of the crossbeam (1) and oblique to its cross central line
The the second straight panel section and the transition arc section shape between the first straight panel section and the second straight panel section collapsed
Into.
6. bogie frame according to claim 1, it is characterised in that the outer cant board of each connecting portion of the crossbeam (1)
The curb girder (2) and the simultaneously upper cover plate with the curb girder (2), lower cover are inserted in by the corresponding bell and spigot (21) and is stood
Plate weld connects.
7. bogie frame according to claim 1, it is characterised in that the curb girder (2) is the recessed U-shaped structure in middle part
Beam, the bell and spigot (21) are located at the recessed location of the curb girder (2).
8. according to the bogie frame described in claim 1 to 7 any one, it is characterised in that crossbeam (1) connecting portion
The outside of outer cant board is vertical damper holder (3) provided with two, corresponding to described two is vertical damper holder (3) on sleeper beam (4)
Surface position be provided be used for connect two be vertical damper (5) top connecting portions.
9. according to the bogie frame described in claim 1 to 7 any one, it is characterised in that each connecting portion of the crossbeam (1)
Upper cover plate with formed on corresponding curb girder (2) upper cover plate bell and spigot (21) be partially in same plane and mutually it is right
Connect, the lower cover of each connecting portion of the crossbeam (1) and the portion that the bell and spigot (21) are formed on corresponding curb girder (2) lower cover
Office is in same plane and is mutually butted.
10. a kind of bogie, including bogie frame, it is characterised in that the bogie frame is that claim 1 to 9 is any
Bogie frame described in one.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852362.7A CN107554546B (en) | 2017-09-19 | 2017-09-19 | Bogie framework and bogie with same |
| EP17926005.4A EP3620345A4 (en) | 2017-09-19 | 2017-12-28 | Bogie framework and bogie having same |
| PCT/CN2017/119258 WO2019056641A1 (en) | 2017-09-19 | 2017-12-28 | Bogie framework and bogie having same |
| RU2018110815A RU2684830C1 (en) | 2017-09-19 | 2018-03-27 | Bogie frame and having such a frame bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852362.7A CN107554546B (en) | 2017-09-19 | 2017-09-19 | Bogie framework and bogie with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107554546A true CN107554546A (en) | 2018-01-09 |
| CN107554546B CN107554546B (en) | 2020-05-29 |
Family
ID=60982198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710852362.7A Active CN107554546B (en) | 2017-09-19 | 2017-09-19 | Bogie framework and bogie with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107554546B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120933A1 (en) * | 2020-12-09 | 2022-06-16 | 中车唐山机车车辆有限公司 | Bogie beam, bogie and rail vehicle |
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| CN205220689U (en) * | 2015-12-17 | 2016-05-11 | 唐山轨道客车有限责任公司 | Motor car bogie frame and motor car bogie |
| CN205930741U (en) * | 2016-08-11 | 2017-02-08 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
| CN207225371U (en) * | 2017-09-19 | 2018-04-13 | 中车长春轨道客车股份有限公司 | A kind of bogie frame and the bogie with the bogie frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120933A1 (en) * | 2020-12-09 | 2022-06-16 | 中车唐山机车车辆有限公司 | Bogie beam, bogie and rail vehicle |
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| CN107554546B (en) | 2020-05-29 |
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