CN115648879A - Novel trailer bogie for digital rail rubber-tyred tramcar - Google Patents
Novel trailer bogie for digital rail rubber-tyred tramcar Download PDFInfo
- Publication number
- CN115648879A CN115648879A CN202211377050.2A CN202211377050A CN115648879A CN 115648879 A CN115648879 A CN 115648879A CN 202211377050 A CN202211377050 A CN 202211377050A CN 115648879 A CN115648879 A CN 115648879A
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- trailer bogie
- connecting seat
- axle bridge
- axle
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- 239000006096 absorbing agent Substances 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/28—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
- B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D12/00—Steering specially adapted for vehicles operating in tandem or having pivotally connected frames
- B62D12/02—Steering specially adapted for vehicles operating in tandem or having pivotally connected frames for vehicles operating in tandem
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a novel trailer bogie for a digital rail rubber-tyred electric vehicle, which comprises a slewing device, wherein one side of the slewing device is provided with a hinge device, and the other side of the slewing device and one side of the hinge device are both provided with an axle bridge; wheels are arranged at two ends of the axle bridge, air springs are arranged at two ends of the top end of the wheel axle bridge, oil pressure dampers are arranged at two ends of one side of the axle bridge, and a connecting rod device is arranged in the middle of the top end of the axle bridge. The invention can effectively reduce the vibration of the vehicle, improve the stability and comfort of the vehicle, improve the riding experience of passengers and create favorable conditions for the subsequent speed increase of the vehicle; the trailer bogie that adopts to have the hinge device when increasing the vehicle degree of freedom, can effectively cushion the vehicle at the nod effect of the in-process of traveling, more is favorable to the vehicle through erecting the curve, promotes vehicle security.
Description
Technical Field
The invention relates to the technical field of trailer bogies, in particular to a novel trailer bogie for a digital rail rubber-tyred electric vehicle.
Background
A digital rail rubber-tyred tramcar (DRT) is a new medium-low traffic volume rail transit system which is independently developed. The electric car integrates the advantages of the traditional tramcar and the bus, provides a brand-new solution for urban transportation, has the highest running speed of 70km/h of a DRT vehicle, adopts advanced technologies such as rubber wheels, road forms, electronic guidance, vehicle-mounted energy storage and the like, and has the characteristics of strong road adaptability, intelligence, environmental protection, low-cost operation, light weight (axle weight of 7 t), large transportation capacity, safety, full redundancy and the like.
The movable trailer bogie is used as an important running part of the standard vehicle and is connected with an MC vehicle and a T vehicle, and whether the structure is reasonable or not and the performance directly influences the steering, the running stability, the safety and the comfort of the vehicle. The existing bogie has the problem of poor vehicle stability due to the fact that a secondary vertical oil pressure shock absorber is not installed, so that the comfort of a vehicle is not high, and the riding experience of passengers is seriously influenced. And the degree of freedom of the vehicle hinge plate is not high, the hinge stress condition is severe, and the service life of the vehicle is reduced due to the fact that the vehicle runs on a road and the driving condition is not good.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a novel trailer bogie for a digital rail rubber-tyred electric vehicle, which aims to overcome the technical problems in the prior art.
Therefore, the invention adopts the following specific technical scheme:
a novel trailer bogie for a digital rail rubber-tyred electric vehicle comprises a rotating device, wherein one side of the rotating device is provided with a hinge device, and the other side of the rotating device and one side of the hinge device are both provided with a shaft bridge; the two ends of the axle bridge are provided with wheels, the two ends of the top end of the wheel axle bridge are provided with air springs, the two ends of one side of the axle bridge are provided with oil pressure shock absorbers, and the middle part of the top end of the axle bridge is provided with a connecting rod device.
Furthermore, in order to realize the connection of the two axle bridges and provide freedom degree for the steering of the vehicle body, the slewing device comprises a slewing bearing, bearing seats are arranged on two sides of the slewing bearing, and one side of each bearing seat is connected with the hinge device; the top of bearing frame sets up to the fretwork form, and the both sides of bearing frame all are provided with the buffer block.
Furthermore, in order to enable the first connecting seat and the second connecting seat of the hinge device to be capable of overturning relatively and provide more degrees of freedom for nodding movement of a vehicle body, stress concentration of a trailer bogie and a turning device can be effectively reduced, the hinge device comprises a first connecting seat arranged on one side of a bearing seat, a second connecting seat is arranged on one side of the first connecting seat, the first connecting seat is connected with the second connecting seat through a rubber node, and one side of the second connecting seat is connected with a shaft bridge; the first connecting seat is connected with the bearing seat through a plurality of first bolts, and one side of the second connecting seat is connected with one side of the axle bridge through a second bolt.
Furthermore, in order to realize the connection between the bogie and the vehicle body, a plurality of traction rods are arranged on one side of the axle bridge, which is far away from the slewing device.
Furthermore, in order to realize the connection between the axle and the oil pressure damper, a mounting seat matched with the oil pressure damper is arranged on one side of the axle close to the rotating device.
Furthermore, in order to form a spatial four-bar mechanism between the axle bridge, the torsion bar, the pull rod and the vehicle body, wherein the axle bridge and the vehicle body are opposite connecting rods, and finally the effect of limiting the relative displacement between the trailer bogie and the vehicle body is achieved, the connecting rod device comprises the torsion bar, the end part of the torsion bar is provided with the pull rod, and the pull rod is connected with two sides of the axle bridge; the cross section of the torsion bar is of a U-shaped structure, and the outer side of the circumference of the torsion bar is provided with a third connecting seat; the end part of the torsion bar is connected with the pull rod through a third bolt.
The beneficial effects of the invention are as follows:
1. the axle bridge with the oil pressure shock absorber is scientific and compact in structure, and the axle bridge with the oil pressure shock absorber is adopted, so that the vibration of a vehicle can be effectively reduced, the stability and the comfort of the vehicle are improved, the riding experience of passengers is improved, and favorable conditions are created for the subsequent acceleration of the vehicle; by adopting the trailer bogie with the hinge device, the degree of freedom of the vehicle is increased, and simultaneously, the nodding effect of the vehicle in the running process can be effectively buffered, the vehicle can pass through a vertical curve more conveniently, the safety of the vehicle is improved, meanwhile, the stress condition of the hinge joint of the vehicle joint can be improved, and the normal running life of the vehicle is greatly prolonged; the axle bridge with the connecting rod device is adopted, so that the transverse force generated by the side rolling of the vehicle body can be transmitted to the trailer bogie, the side rolling of the vehicle body during the running of the vehicle can be effectively weakened, the overturning probability of the vehicle is reduced, and meanwhile, favorable conditions are created for subsequently improving the vehicle speed.
2. Through setting up slewer to the realization is to two axle connections, can provide the degree of freedom for the turning to of automobile body.
3. Through setting up the hinge device to can make hinge device's connecting seat one and two parts of connecting seat two can overturn relatively, also provide more degrees of freedom for the nodding motion of automobile body, can effectively reduce trailer bogie and slewer's stress concentration.
4. Through setting up the link means to can make axle bridge, torsion bar, pull rod and automobile body four form space four bar linkage, wherein axle bridge and automobile body are relative connecting rod, finally reach the effect of restricting the relative displacement between trailer bogie and the automobile body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a top view of a trailer truck for a novel digital rail rubber-tyred electric car according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a perspective assembly view of a novel trailer truck for a digital rail rubber-tyred electric car according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is an enlarged view of a portion of FIG. 3 at C;
FIG. 6 is an enlarged view of a portion of FIG. 3 at D;
fig. 7 is a partial enlarged view at E in fig. 3.
In the figure:
1. a turning device; 101. a slew bearing; 102. a bearing seat; 1021. a buffer block; 2. a hinge device; 201. a first connecting seat; 202. a second connecting seat; 3. a shaft bridge; 301. a mounting seat; 4. a wheel; 5. an air spring; 6. an oil pressure damper; 7. a link device; 701. a torsion bar; 7011. a third connecting seat; 702. a pull rod.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable one skilled in the art to understand the embodiments and advantages of the disclosure for reference and without scale, wherein elements are not shown in the drawings and like reference numerals are used to refer to like elements generally.
According to the embodiment of the invention, the novel trailer bogie for the digital rail rubber-tyred electric vehicle is provided.
Referring to the drawings and the detailed description, as shown in fig. 1-7, the novel trailer bogie for the digital rail rubber-tyred electric car according to the embodiment of the invention includes a turning device 1, a hinge device 2 is disposed on one side of the turning device 1, and a shaft bridge 3 is disposed on the other side of the turning device 1 and one side of the hinge device 2; both ends of axle 3 all are provided with wheel 4, and the both ends on the top of wheel axle 3 are provided with air spring 5, and the both ends of axle 3 one side all are provided with oil pressure shock absorber 6, and the top middle part of axle 3 is provided with connecting rod device 7, and one side that slewer 1 was kept away from to axle 3 is provided with a plurality of traction rods, and one side that axle 3 is close to slewer 1 is provided with mount pad 301 with oil pressure shock absorber 6 matched with.
In addition, in a specific application, the top end of the oil damper 6 is connected to the vehicle body for damping a vertical force between the trailer bogie and the vehicle body.
By means of the technical scheme, the structure of the invention is scientific and compact, and the axle bridge 3 with the oil pressure shock absorber 6 is adopted, so that the vibration of the vehicle can be effectively reduced, the stability and the comfort of the vehicle are improved, the riding experience of passengers is improved, and favorable conditions are created for the subsequent acceleration of the vehicle; by adopting the trailer bogie with the hinge device 2, the degree of freedom of the vehicle is increased, and simultaneously, the nodding effect of the vehicle in the running process can be effectively buffered, so that the vehicle can pass through a vertical curve more conveniently, the safety of the vehicle is improved, meanwhile, the stress condition of the hinge joint of the vehicle joint can be improved, and the normal running life of the vehicle is greatly prolonged; the axle 3 with the connecting rod device 7 is adopted, so that the transverse force generated by the side rolling of the vehicle body can be transmitted to the trailer bogie, the side rolling of the vehicle body during the running of the vehicle can be effectively weakened, the overturning probability of the vehicle is reduced, and meanwhile, favorable conditions are created for subsequently improving the vehicle speed.
In one embodiment, for the above-mentioned turning device 1, the turning device 1 includes a turning bearing 101, bearing seats 102 are provided on both sides of the turning bearing 101, and one side of the bearing seat 102 is connected to the hinge device 2; the top of bearing frame 102 sets up to the fretwork form, and the both sides of bearing frame 102 all are provided with buffer block 1021 to the realization can provide the degree of freedom for turning to of automobile body to two axle 3's connection.
In one embodiment, for the hinge device 2, the hinge device 2 includes a first connecting seat 201 disposed on one side of the bearing seat 102, a second connecting seat 202 disposed on one side of the first connecting seat 201, the first connecting seat 201 and the second connecting seat 202 are connected by a rubber node, and one side of the second connecting seat 202 is connected to the axle bridge 3; the first connecting seat 201 is connected with the bearing seat 102 through the first bolts, and one side of the second connecting seat 202 is connected with one side of the axle bridge 3 through the second bolts, so that the first connecting seat 201 and the second connecting seat 202 of the hinge device 2 can be turned over relatively, more degrees of freedom are provided for nodding movement of a vehicle body, and stress concentration of a trailer bogie and the turning device 1 can be effectively reduced.
In one embodiment, for the above-mentioned link device 7, the link device 7 includes a torsion bar 701, the ends of the torsion bar 701 are provided with tie rods 702, and the tie rods 702 are connected with both sides of the axle bridge 3; the cross section of the torsion bar 701 is of a U-shaped structure, and the outer side of the circumference of the torsion bar 701 is provided with a third connecting seat 7011; the end of the torsion bar 701 is connected with the tie rod 702 through the third bolt, so that a spatial four-bar linkage mechanism can be formed among the axle 3, the torsion bar 701, the tie rod 702 and the vehicle body, wherein the axle 3 and the vehicle body are opposite connecting rods, and finally the effect of limiting the relative displacement between the trailer bogie and the vehicle body is achieved.
In addition, in a specific application, the third connecting seat 7011 is connected with the vehicle body.
For the convenience of understanding the technical solutions of the present invention, the working principle or the operation mode of the present invention in the practical process will be described in detail below.
In practical application, when the train body runs in a straight line, the two axle bridges 3 are parallel to each other and extend along the width direction of the train; when the train turns in a curve, the end parts on the same side of the two axle bridges 3 are close to each other, and the end parts on the other side are far from each other, so that the vertical force between the trailer bogie and the train body can be buffered through the oil damper 6.
In conclusion, by means of the technical scheme, the structure of the invention is scientific and compact, and the axle 3 with the oil pressure shock absorber 6 is adopted, so that the vibration of the vehicle can be effectively reduced, the stability and the comfort of the vehicle can be improved, the riding experience of passengers can be improved, and favorable conditions can be created for the subsequent acceleration of the vehicle; by adopting the trailer bogie with the hinge device 2, the degree of freedom of the vehicle is increased, the nodding effect of the vehicle in the running process can be effectively buffered, the vehicle can pass through a vertical curve more conveniently, the safety of the vehicle is improved, meanwhile, the stress condition of the hinge joint of the vehicle joint can be improved, and the normal running life of the vehicle is greatly prolonged; the axle bridge 3 with the connecting rod device 7 is adopted, so that the transverse force generated by the side rolling of the vehicle body can be transmitted to the trailer bogie, the side rolling of the vehicle body can be effectively weakened when the vehicle runs, the overturning probability of the vehicle is reduced, and meanwhile, favorable conditions are created for subsequently improving the vehicle speed; by arranging the rotating device 1, the two axle bridges 3 are connected, and the freedom degree can be provided for the steering of the vehicle body; by arranging the hinge device 2, the first connecting seat 201 and the second connecting seat 202 of the hinge device 2 can be turned over relatively, more degrees of freedom are provided for nodding movement of a vehicle body, and stress concentration of a trailer bogie and the turning device 1 can be effectively reduced; through the arrangement of the link device 7, a spatial four-bar linkage mechanism can be formed among the axle 3, the torsion bar 701, the pull rod 702 and the vehicle body, wherein the axle 3 and the vehicle body are opposite connecting rods, and finally the effect of limiting the relative displacement between the trailer bogie and the vehicle body is achieved.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate agent, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. A novel trailer bogie for a digital rail rubber wheel electric car comprises a rotary device (1) and is characterized in that a hinge device (2) is arranged on one side of the rotary device (1), and a shaft bridge (3) is arranged on the other side of the rotary device (1) and one side of the hinge device (2);
the vehicle wheel axle is characterized in that wheels (4) are arranged at two ends of the axle bridge (3), air springs (5) are arranged at two ends of the top end of the wheel axle bridge (3), oil pressure dampers (6) are arranged at two ends of one side of the axle bridge (3), and a connecting rod device (7) is arranged in the middle of the top end of the axle bridge (3).
2. The novel trailer bogie for the digital rail rubber-tyred electric vehicle according to claim 1, characterized in that the slewing device (1) comprises a slewing bearing (101), bearing seats (102) are arranged on both sides of the slewing bearing (101), and one side of each bearing seat (102) is connected with a hinge device (2).
3. The novel trailer bogie for the digital rail rubber-tyred tramcar according to claim 2, wherein the top end of the bearing seat (102) is hollowed out, and the two sides of the bearing seat (102) are provided with buffer blocks (1021).
4. The novel trailer bogie for the digital rail rubber-tyred trolley according to claim 3, wherein the hinge device (2) comprises a first connecting seat (201) disposed on one side of the bearing seat (102), a second connecting seat (202) is disposed on one side of the first connecting seat (201), the first connecting seat (201) and the second connecting seat (202) are connected through a rubber joint, and one side of the second connecting seat (202) is connected to the axle bridge (3).
5. The novel trailer bogie for digital rail rubber-tyred electric vehicles according to claim 4, wherein the first connecting seat (201) is connected with the bearing seat (102) through a plurality of first bolts, and one side of the second connecting seat (202) is connected with one side of the axle bridge (3) through a second bolt.
6. The novel trailer bogie for the digital rail rubber-tyred tramcar according to claim 1, characterized in that a plurality of traction rods are arranged on one side of the axle bridge (3) away from the slewing device (1).
7. The novel trailer bogie for the digital rail rubber-tyred electric vehicle according to claim 1, characterized in that a mounting seat (301) matched with the oil pressure shock absorber (6) is arranged on one side of the axle bridge (3) close to the rotating device (1).
8. The novel trailer bogie for digital rail rubber-tyred electric vehicles according to claim 1, characterized in that the linkage (7) comprises a torsion bar (701), a tie rod (702) is provided at each end of the torsion bar (701), and the tie rod (702) is connected to both sides of the axle (3).
9. The novel trailer bogie for the digital rail rubber-tyred electric car according to claim 8, wherein the cross section of the torsion bar (701) is provided with a U-shaped structure, and a connecting seat III (7011) is arranged on the outer side of the circumference of the torsion bar (701).
10. The novel trailer bogie for digital rail rubber-tyred electric vehicles according to claim 9, characterized in that the end of the torsion bar (701) is connected with the tie rod (702) by a triple bolt.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211377050.2A CN115648879A (en) | 2022-11-04 | 2022-11-04 | Novel trailer bogie for digital rail rubber-tyred tramcar |
| PCT/CN2023/123990 WO2024093632A1 (en) | 2022-11-04 | 2023-10-11 | Trailer bogie for novel digital rail rubber-wheeled tram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211377050.2A CN115648879A (en) | 2022-11-04 | 2022-11-04 | Novel trailer bogie for digital rail rubber-tyred tramcar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115648879A true CN115648879A (en) | 2023-01-31 |
Family
ID=85016225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211377050.2A Pending CN115648879A (en) | 2022-11-04 | 2022-11-04 | Novel trailer bogie for digital rail rubber-tyred tramcar |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115648879A (en) |
| WO (1) | WO2024093632A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093632A1 (en) * | 2022-11-04 | 2024-05-10 | 中车南京浦镇车辆有限公司 | Trailer bogie for novel digital rail rubber-wheeled tram |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112012030617B8 (en) * | 2010-06-02 | 2022-04-19 | Jointech Suzhou Vehicle System | Large articulated vehicle articulated chassis system |
| CN105197054B (en) * | 2015-09-24 | 2017-06-16 | 中车南京浦镇车辆有限公司 | A kind of low-floor tramcar trapezoidal contiguous block and linkwork mounting seat |
| CN112550453B (en) * | 2020-12-04 | 2023-03-14 | 中车南京浦镇车辆有限公司 | Trailer bogie and rubber wheel train |
| CN114572265B (en) * | 2022-03-03 | 2023-05-16 | 中车南京浦镇车辆有限公司 | Installation assembly of digital rail traction rod |
| CN115056815B (en) * | 2022-07-14 | 2024-03-12 | 株洲时代新材料科技股份有限公司 | Train end hinging mechanism of rubber-tyred train |
| CN115648879A (en) * | 2022-11-04 | 2023-01-31 | 中车南京浦镇车辆有限公司 | Novel trailer bogie for digital rail rubber-tyred tramcar |
-
2022
- 2022-11-04 CN CN202211377050.2A patent/CN115648879A/en active Pending
-
2023
- 2023-10-11 WO PCT/CN2023/123990 patent/WO2024093632A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093632A1 (en) * | 2022-11-04 | 2024-05-10 | 中车南京浦镇车辆有限公司 | Trailer bogie for novel digital rail rubber-wheeled tram |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024093632A1 (en) | 2024-05-10 |
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