CN112389485B - Primary suspension device, bogie and rail vehicle - Google Patents
Primary suspension device, bogie and rail vehicle Download PDFInfo
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- CN112389485B CN112389485B CN201910762791.4A CN201910762791A CN112389485B CN 112389485 B CN112389485 B CN 112389485B CN 201910762791 A CN201910762791 A CN 201910762791A CN 112389485 B CN112389485 B CN 112389485B
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- buffer block
- positioning
- axle box
- hoop
- annular
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/308—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating damping devices
Abstract
The embodiment of the application provides a primary suspension device, bogie and rail vehicle, wherein, the bogie includes: a frame; the frame has two parallel side beams extending in a longitudinal direction; an annular hoop connected to a bottom surface of the end of the side beam; the centerline of the annular cuff extends in a transverse direction; the axle box is positioned in a space surrounded by the annular hoop, and the center line of the axle box is superposed with the center line of the annular hoop; and the buffer blocks are uniformly arranged between the annular hoop and the axle box. The suspension device, the bogie and the rail vehicle provided by the embodiment of the application can reduce the height of the frame on the premise of achieving the preset strength and the buffering energy absorption effect.
Description
Technical Field
The application relates to the buffering technology of rail vehicles, in particular to a primary suspension device, a bogie and a rail vehicle.
Background
The rail vehicle is an important traffic tie connecting cities, is gradually a main vehicle in the cities, and is also a main carrier for realizing goods transportation. The bogie arranged at the bottom of the carriage has the function of bearing and steering the vehicle body, and the buffer performance of the bogie directly influences the vibration quantity of the carriage. The bogie generally comprises: the bogie comprises a framework, a wheel pair, an axle box arranged on the wheel pair and a primary suspension device arranged between the axle box and the framework, wherein the performance of the bogie is directly influenced by the quality of the primary suspension device.
In the traditional bogie, a primary suspension device adopts a vertically arranged rubber spring, the top of the primary suspension device is matched with a framework, and the bottom of the primary suspension device is matched with an axle box, so that the positioning and the buffering in the longitudinal direction, the transverse direction and the vertical direction are achieved. The design has high requirements on the performance of the rubber spring and needs to be detected and maintained more frequently, because once the rubber spring is worn seriously to cause failure, serious safety accidents can happen to the vehicle in the running process. In order to achieve the preset strength and the buffering energy-absorbing effect, the height of the rubber spring is designed to be higher, so that the height of the framework is raised, the gravity center of the whole carriage is improved, and the running stability of the carriage is reduced.
Disclosure of Invention
The embodiment of the application provides a primary suspension device, a bogie and a railway vehicle, which can reduce the height of a framework on the premise of achieving the preset strength and the buffering energy absorption effect.
An embodiment of a first aspect of the present application provides a bogie, including:
a frame; the frame has two parallel side beams extending in a longitudinal direction;
an annular hoop connected to a bottom surface of the end of the side beam; the centerline of the annular cuff extends in a transverse direction;
the axle box is positioned in a space surrounded by the annular hoop, and the center line of the axle box is superposed with the center line of the annular hoop;
and the buffer blocks are uniformly arranged between the annular hoop and the axle box.
An embodiment of a second aspect of the present application provides a rail vehicle, including: a bogie as described above.
In a third aspect, embodiments of the present application provide a primary suspension device for being disposed between a frame of a bogie and an axle box, the primary suspension device comprising:
an annular hoop having a centerline extending in a transverse direction, connected to the frame; the annular hoop is used for surrounding the outer side of the axle box;
and the buffer blocks are uniformly arranged between the annular hoop and the axle box.
The technical scheme that this application embodiment provided connects in the bottom surface of curb girder tip through adopting the annular hoop that the central line extends along transverse direction, and the axle box is located the space that annular hoop encloses and the central line coincidence of the central line of axle box and annular hoop, and a plurality of buffer blocks evenly set up between annular hoop and axle box, can fix a position between curb girder and the axle box to can cushion the power of a plurality of directions such as transverse force, longitudinal force and vertical power. And the height difference between the side beam and the axle box is the sum of the thickness of the annular hoop and the height of one buffer block, so that the height of the frame can be reduced, the gravity center of a carriage is further reduced, and the driving stability is improved. Moreover, the primary suspension device is simple in structure, convenient to disassemble and assemble and simple in maintenance process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a bogie provided in an embodiment of the present application;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is an exploded view of the frame and a primary suspension assembly provided by an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a buffer block in a bogie according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of another angle of a buffer block in a bogie according to an embodiment of the present application;
FIG. 6 is a schematic diagram of an axle box in a bogie according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a framework provided in an embodiment of the present application;
fig. 8 is a schematic structural diagram of a lower half hoop in a bogie according to an embodiment of the present application.
Reference numerals:
1-a side beam;
2-axle boxes; 21-axle box locating projections; 22-axle box positioning holes;
3-a series of suspension devices;
31-a buffer block; 311-a buffer block positioning groove; 312-buffer block location columns; 313-a buffer block positioning projection;
32-an annular band; 321-an upper half hoop; 322-lower half hoop; 323-annular hoop locating groove; 324-half hoop connection; 325-connecting hole;
4-bolt.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
The embodiment provides a bogie, which can be applied to a railway vehicle, wherein the railway vehicle can be a diesel locomotive or an electric locomotive, and can be a motor train unit, a subway, a light rail or a tramcar.
In the present embodiment, a direction extending along the railway line is referred to as a longitudinal direction, a direction perpendicular to the railway line extending direction is referred to as a lateral direction, and a direction perpendicular to a horizontal plane is referred to as a vertical direction or a vertical direction.
Fig. 1 is a schematic structural view of a bogie provided in an embodiment of the present application, and fig. 2 is an enlarged view of a region a in fig. 1; fig. 3 is an exploded view of the frame and a primary suspension assembly provided in accordance with an embodiment of the present application. As shown in fig. 1 to 3, the present embodiment provides a bogie including: the frame, wheel pair, traction device, brake device and other parts are realized according to the prior art. The frame comprises two parallel side beams 1 extending in the longitudinal direction, a cross beam is connected between the two side beams 1, and components such as a traction device, a braking device and the like can be assembled on the cross beam. The wheel pair includes: an axle, wheels symmetrically arranged on the axle, and axle boxes 2. A series of suspension devices 3 are arranged between the side beams 1 and the axle boxes 2 and used for positioning and buffering between the side beams 1 and the axle boxes 2.
A suspension device 3 includes: a cushion block 31 and an annular band 32. Wherein the annular band 32 is a circular ring structure, the top of which is connected to the bottom surface of the end of the side member 1, and the center line of the annular band 32 extends in the transverse direction. The middle of the axle box 2 is positioned in the space enclosed by the annular hoop 32, and the center line of the axle box 2 is coincident with the center line of the annular hoop 32. The quantity of buffer block 31 is a plurality of, evenly sets up between annular hoop 32 and axle box 2, can realize fixing a position curb girder 1 and axle box 2 to the power that comes from horizontal, vertical and vertical direction can both cushion through buffer block 31.
In contrast to the prior art, a larger space is required between the frame and the axle housing for accommodating a primary suspension. The mode that this embodiment provided evenly arranges the buffer block in the periphery of axle box, has reduced the required space between axle box and the framework, can reduce the height of framework.
The technical scheme that this embodiment provided, through adopting the annular hoop that the central line extends along the transverse direction to connect in the bottom surface of curb girder tip, the axle box is located the space that annular hoop encloses and the central line coincidence of the central line of axle box and annular hoop, and a plurality of buffer blocks evenly set up between annular hoop and axle box, can fix a position between curb girder and the axle box to can cushion the power of a plurality of directions such as transverse force, longitudinal force and vertical power, the atress is even. And the height difference between the side beam and the axle box is only the sum of the thickness of the annular hoop and the height of one buffer block, so that the height of the frame can be reduced, the gravity center of a carriage is further reduced, and the driving stability is improved. Moreover, the primary suspension device is simple in structure, convenient to disassemble and assemble and simple in maintenance process.
The following describes the positioning of the various components of a suspension system:
be equipped with first transverse orientation structure at the medial surface of buffer block 31, set up second transverse orientation structure at the outer peripheral face of axle box 2, first transverse orientation structure and the cooperation of second transverse orientation structure carry out transverse orientation to the buffer block, avoid the buffer block to produce lateral shifting. The first and second lateral locating structures may be structures that are capable of restricting lateral movement relative to each other, such as cooperating locating projections and locating grooves. First horizontal location structure specifically can be for setting up at the buffer block 31 medial surface and follow the buffer block constant head tank that longitudinal direction extended, and second horizontal location structure specifically is protrusion in the axle box outer peripheral face and follows the axle box location arch that longitudinal direction extended, and axle box location arch can hold in the buffer block constant head tank, restriction buffer block 31 lateral shifting.
The inner side face of the buffer block 31 is provided with a first longitudinal positioning structure, the outer peripheral face of the axle box 2 is provided with a second longitudinal positioning structure, and the first longitudinal positioning structure and the second longitudinal positioning structure are matched to longitudinally position the buffer block, so that the buffer block is prevented from longitudinally moving. The first longitudinal positioning structure and the second longitudinal positioning structure may be structures capable of mutually limiting longitudinal movement, such as a positioning column and a positioning hole which are mutually matched, or a positioning protrusion and a positioning groove which are mutually matched. In this embodiment, the first longitudinal positioning structure is specifically a buffer positioning post disposed on the inner side of the buffer block 31 and extending along the radial direction of the annular hoop 32 in the length direction, the second longitudinal positioning structure is a shaft box positioning hole disposed on the outer peripheral surface of the shaft box 2, and the buffer positioning post can be inserted into the shaft box positioning hole to limit the longitudinal movement of the buffer block 31.
The outer side surface of the buffer block 31 is provided with a third transverse positioning structure, the inner side surface of the annular hoop 32 is provided with a fourth transverse positioning structure, and the third transverse positioning structure is matched with the fourth transverse positioning structure to transversely position the buffer block 31. The third and fourth lateral locating structures may be structures that are capable of limiting lateral movement relative to each other, such as cooperating locating projections and locating grooves. In this embodiment, the third transverse orientation structure is for setting up the buffer block location arch at 31 lateral surfaces of buffer block and along the extension of longitudinal direction, and the fourth transverse orientation structure is for setting up the annular hoop constant head tank at 32 medial surfaces of annular hoop, and the buffer block location arch can be held in annular hoop constant head tank, restriction buffer block 31 lateral shifting.
The embodiment provides a specific implementation manner of a primary suspension device:
fig. 4 is a schematic structural diagram of a buffer block in a bogie provided in an embodiment of the present application, fig. 5 is another schematic angular diagram of the buffer block in the bogie provided in the embodiment of the present application, fig. 6 is a schematic structural diagram of an axle box in the bogie provided in the embodiment of the present application, fig. 7 is a schematic structural diagram of a framework provided in the embodiment of the present application, and fig. 8 is a schematic structural diagram of a lower half hoop in the bogie provided in the embodiment of the present application.
As shown in fig. 1 to 8, the number of the buffer blocks 31 is six, the longitudinal section of the buffer block 31 is a sector, and the end surfaces of the six buffer blocks 31 are butted to form a closed ring. Each of the bumpers 31 has an inboard surface facing the axle housing 2 and an outboard surface facing the annular band 32, both of which are cambered surfaces.
The inner surface of the buffer block 31 is provided with a buffer block positioning groove 311 extending in the longitudinal direction, and an annular axle box positioning protrusion 21 is provided corresponding to the outer peripheral surface of the axle box 2, and the axle box positioning protrusion 21 can be accommodated in the buffer block positioning groove 311. The lateral movement of the bumper 31 is restricted by the interaction between the side wall of the axle housing positioning protrusion 21 and the side wall of the bumper positioning groove 311.
The inner surface of the buffer block 31 (specifically, the bottom surface of the buffer block positioning slot 311) is provided with a buffer block positioning column 312, and the buffer block positioning column 312 protrudes out of the bottom surface of the buffer block positioning slot 311 and extends along the radial direction of the annular hoop 32. The axle box positioning hole 22 is formed on the outer peripheral surface of the axle box 2 (specifically, the top surface of the axle box positioning boss 21), and the buffer block positioning groove 311 is inserted into the axle box positioning hole 22, and the longitudinal movement and the transverse movement of the buffer block 31 are limited by the cooperation of the buffer block positioning groove 311 and the axle box positioning hole 22. One buffer block 31 is provided with one buffer block positioning column 312, and the positions and the number of the axle box positioning holes 22 are set according to the number and the positions of the buffer block positioning columns 312.
The outer side surface of the buffer block 31 is provided with a buffer block positioning protrusion 313 extending in the longitudinal direction. An annular hoop positioning groove 323 is formed on the inner side surface of the annular hoop 32, and the buffer block positioning protrusion 313 is received in the annular hoop positioning groove 323, so that the lateral movement of the buffer block 31 is limited by the acting force between the two side walls.
Adopt axle box 2, buffer block 31 and the annular hoop 32 of above-mentioned structure to cooperate, can transversely, vertically and vertically fix a position buffer block 31, buffer block 31 also can cushion horizontal, vertical and vertical power between curb girder 1 and axle box 2.
The manner of the matching and positioning among the axle box 2, the buffer block 31 and the annular band 32 is not limited to the above manner, and other manners may be adopted, which is not limited in this embodiment. The number of the buffer blocks 31 is not limited to six, and may be four, eight or other numbers.
For the annular band 32, the present embodiment also provides a specific implementation:
the annular cuff 32 comprises two parts, an upper cuff half 321 and a lower cuff half 322. The upper half band 321 is fixed to the bottom surface of the side member 1 with its opening facing downward. The lower half hoop 322 is connected with the upper half hoop 321 with the opening facing upwards and encloses a circular space together with the upper half hoop 321.
Specifically, the two ends of the upper half hoop 321 extend outwards to form a half hoop connecting portion 324, and a connecting hole 325 is formed in the half hoop connecting portion. The two ends of the lower half hoop 322 are extended outwards to form a half hoop connecting part 324, and a connecting hole 325 is also formed on the half hoop connecting part. In the assembling process, the upper half hoop 321 and the side beam 1 are connected together, then the lower half hoop 322 is aligned with the half hoop connecting part 324 in the upper half hoop 321, the connecting holes 325 are overlapped, and the bolts 4 sequentially penetrate through the two corresponding connecting holes 325 from the lower part and then are matched with nuts for fixing.
An annular collar positioning groove 323 is formed on the inner side surfaces of the upper collar half 321 and the lower collar half 322 to receive the bump stop positioning protrusion 313.
The primary suspension 3 can be used as a stand-alone product for various types of bogies. The bogie applied can be adapted according to a series of suspension units 3.
The embodiment also provides a railway vehicle, which comprises the bogie. The annular hoop extending along the transverse direction along the central line is connected to the bottom surface of the end part of the side beam, the axle box is positioned in a space surrounded by the annular hoop, the central line of the axle box is overlapped with the central line of the annular hoop, and the plurality of buffer blocks are uniformly arranged between the annular hoop and the axle box, so that the side beam and the axle box can be positioned, and forces in multiple directions such as transverse force, longitudinal force and vertical force can be buffered. And the height difference between the side beam and the axle box is the sum of the thickness of the annular hoop and the height of one buffer block, so that the height of the frame can be reduced, the gravity center of a carriage is further reduced, and the driving stability is improved. Moreover, the primary suspension device is simple in structure, convenient to disassemble and assemble and simple in maintenance process.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (16)
1. A bogie, comprising:
a frame; the frame has two parallel side beams extending in a longitudinal direction;
an annular hoop connected to a bottom surface of the end of the side beam; the centerline of the annular cuff extends in a transverse direction;
the axle box is positioned in a space surrounded by the annular hoop, and the center line of the axle box is superposed with the center line of the annular hoop;
the buffer blocks are uniformly arranged between the annular hoop and the axle box; the longitudinal section of each buffer block is in a sector shape, and the end surfaces of the plurality of buffer blocks are mutually abutted and spliced to form an annular structure;
the inner side surface of the buffer block is provided with a buffer block positioning groove; the outer peripheral surface of the axle box is provided with an axle box positioning bulge, and the axle box positioning bulge can be accommodated in the buffer block positioning groove and is matched with the buffer block positioning groove to transversely position the buffer block.
2. The bogie of claim 1, wherein the bumper is provided with a first longitudinal locating feature on an inner side of the bumper for engaging a second longitudinal locating feature on an outer periphery of the axle housing to longitudinally locate the bumper.
3. The bogie of claim 2, wherein the first longitudinal locating structure is a bumper locating post disposed on an inner side of the bumper and having a length extending in a radial direction of the annular hoop; the second longitudinal positioning structure is an axle box positioning hole formed in the outer peripheral surface of the axle box, and the buffer block positioning column can be inserted into the axle box positioning hole.
4. The truck of claim 1 wherein the outboard side of the bump stop is provided with a third lateral locating feature for cooperating with a fourth lateral locating feature provided on the inboard side of the hoop to laterally locate the bump stop.
5. The bogie of claim 4, wherein the third lateral locating feature is a bump stop locating projection disposed on an outer side of the bump stop and extending in a longitudinal direction; the fourth transverse positioning structure is an annular hoop positioning groove formed in the inner side surface of the annular hoop, and the buffer block positioning bulge can be accommodated in the annular hoop positioning groove.
6. The bogie according to claim 1,
the bottom surface of the buffer block positioning groove is provided with a buffer block positioning column used for longitudinally positioning the buffer block positioning column with the axle box; the lateral surface of buffer block is equipped with the buffer block location arch that is used for carrying out horizontal location between the hoop with the annular.
7. The bogie according to claim 6, wherein the axle box is provided with an axle box positioning protrusion for receiving the bump positioning groove, and the axle box positioning protrusion is an annular protrusion surrounding the outer circumferential surface of the axle box; the raised top surface of axle box location is equipped with and is used for holding the axle box locating hole of buffer block reference column, the quantity and the position of axle box locating hole all with the buffer block reference column corresponds.
8. The truck of claim 6, wherein the annular band comprises:
an upper half hoop; the upper half hoop is connected to the bottom surface of the side beam, and the opening of the upper half hoop faces downwards; the inner side surface of the upper half hoop is provided with an annular hoop positioning groove capable of accommodating the buffer block positioning bulge;
the lower half hoop is provided with an upward opening, is connected with the upper half hoop and forms a circular space capable of accommodating the buffer block and the axle box with the upper half hoop; the inner side surface of the lower half hoop is provided with an annular hoop positioning groove capable of accommodating the buffer block positioning bulge.
9. A rail vehicle, comprising: a bogie as claimed in any one of claims 1 to 8.
10. A primary suspension device for placement between a frame of a bogie and an axle box, the primary suspension device comprising:
an annular hoop having a centerline extending in a transverse direction, connected to the frame; the annular hoop is used for surrounding the outer side of the axle box;
the buffer blocks are uniformly arranged between the annular hoop and the axle box; the longitudinal section of each buffer block is in a sector shape, and the end surfaces of the plurality of buffer blocks are mutually abutted and spliced to form an annular structure; the inner side surface of the buffer block is provided with a buffer block positioning groove, and the buffer block positioning groove is used for being matched with an axle box positioning bulge arranged on the outer peripheral surface of the axle box to perform transverse positioning.
11. A suspension arrangement according to claim 10, wherein the inner side of the bumper is provided with first longitudinal locating formations for engaging the axle housing to locate the bumper longitudinally.
12. The primary suspension apparatus according to claim 11, wherein the first longitudinal positioning structure is a bumper positioning post disposed on an inner side of the bumper and extending lengthwise along a radial direction of the annular collar, the bumper positioning post being configured to engage with a pedestal positioning hole disposed on an outer circumferential surface of the pedestal for longitudinal positioning.
13. A suspension arrangement according to claim 10, wherein the outboard face of the bumper is provided with a third lateral locating formation for cooperating with the hoop to locate the bumper laterally.
14. The primary suspension apparatus as set forth in claim 13 wherein said third lateral positioning structure is a bumper positioning protrusion disposed on an outer side of said bumper and extending in a longitudinal direction, said bumper positioning protrusion being receivable in an annular hoop positioning groove disposed on an inner side of said annular hoop for lateral positioning.
15. The primary suspension apparatus of claim 10,
the bottom surface of the buffer block positioning groove is provided with a buffer block positioning column used for longitudinally positioning the buffer block positioning column with the axle box; the lateral surface of buffer block is equipped with the buffer block location arch that is used for carrying out horizontal location between the hoop with the annular.
16. The tie-down of claim 15, said annular band comprising:
an upper half hoop; the upper half hoop is used for being connected with the framework; the inner side surface of the upper half hoop is provided with an annular hoop positioning groove capable of accommodating the buffer block positioning bulge;
the lower half hoop is connected with the upper half hoop and surrounds the outer side of each buffer block; the inner side surface of the lower half hoop is provided with an annular hoop positioning groove capable of accommodating the buffer block positioning bulge.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762791.4A CN112389485B (en) | 2019-08-19 | 2019-08-19 | Primary suspension device, bogie and rail vehicle |
| PCT/CN2019/117332 WO2021031398A1 (en) | 2019-08-19 | 2019-11-12 | Primary suspension device, bogie and railway vehicle |
| EP19942312.0A EP4008600B1 (en) | 2019-08-19 | 2019-11-12 | Primary suspension device, bogie and railway vehicle |
| PT199423120T PT4008600T (en) | 2019-08-19 | 2019-11-12 | Primary suspension device, bogie and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762791.4A CN112389485B (en) | 2019-08-19 | 2019-08-19 | Primary suspension device, bogie and rail vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112389485A CN112389485A (en) | 2021-02-23 |
| CN112389485B true CN112389485B (en) | 2022-03-18 |
Family
ID=74603277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910762791.4A Active CN112389485B (en) | 2019-08-19 | 2019-08-19 | Primary suspension device, bogie and rail vehicle |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4008600B1 (en) |
| CN (1) | CN112389485B (en) |
| PT (1) | PT4008600T (en) |
| WO (1) | WO2021031398A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228768B (en) * | 2022-01-04 | 2024-02-27 | 西南交通大学 | Axle box bogie in rail vehicle |
| CN114670884B (en) * | 2022-03-24 | 2023-11-17 | 中车青岛四方机车车辆股份有限公司 | Radial bogie and rail vehicle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB813237A (en) * | 1957-08-29 | 1959-05-13 | E C Lenning Proprietary Ltd | Means for resiliently mounting an axle box or the like on a vehicle chassis |
| GB822358A (en) * | 1955-07-26 | 1959-10-21 | Robert Hudson & Sons Proprieta | Improvements in or relating to the suspension of vehicle axles |
| US4438703A (en) * | 1982-02-12 | 1984-03-27 | The Budd Company | Primary suspension system for a railway car |
| CN201276119Y (en) * | 2008-10-17 | 2009-07-22 | 齐齐哈尔轨道交通装备有限责任公司 | Axle box resilient suspension system for bogie |
| CN202016475U (en) * | 2011-04-21 | 2011-10-26 | 湘电重型装备股份有限公司 | V-shaped spring damping limiter |
| CN202847716U (en) * | 2012-10-31 | 2013-04-03 | 南车株洲电力机车有限公司 | Steering frame and axle box positioning device thereof |
| CN108463389B (en) * | 2016-02-15 | 2020-09-25 | 庞巴迪运输有限公司 | Wheel axle guide assembly with longitudinal hydromechanical converter and associated transmission |
| CN207875663U (en) * | 2018-02-07 | 2018-09-18 | 中车株洲电力机车有限公司 | A kind of steering framing wheel readjustment regulating device |
-
2019
- 2019-08-19 CN CN201910762791.4A patent/CN112389485B/en active Active
- 2019-11-12 EP EP19942312.0A patent/EP4008600B1/en active Active
- 2019-11-12 PT PT199423120T patent/PT4008600T/en unknown
- 2019-11-12 WO PCT/CN2019/117332 patent/WO2021031398A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021031398A1 (en) | 2021-02-25 |
| EP4008600B1 (en) | 2024-02-28 |
| EP4008600A4 (en) | 2022-09-21 |
| PT4008600T (en) | 2024-03-15 |
| CN112389485A (en) | 2021-02-23 |
| EP4008600A1 (en) | 2022-06-08 |
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