CN111907547A

CN111907547A - Bogie and vehicle with same

Info

Publication number: CN111907547A
Application number: CN201910599199.7A
Authority: CN
Inventors: 宁瑞祥; 张国鑫
Original assignee: CRRC Datong Co Ltd
Current assignee: CRRC Datong Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-11-10

Abstract

The utility model relates to the technical field of vehicles, and provides a bogie and a vehicle with the same, wherein the bogie comprises a framework, a primary suspension device and a secondary suspension device, the primary suspension device is arranged on the framework, and the primary suspension device comprises a double-spring assembly; the secondary suspension device is arranged on the framework and comprises a rubber pile assembly; wherein, primary suspension device and secondary suspension device all set up on the framework detachably. The bogie of the present disclosure can improve the traction weight of the bogie by setting the primary suspension device as a dual spring assembly and the secondary suspension device as a rubber stack assembly. The primary suspension device and the secondary suspension device are detachably arranged on the framework, so that maintenance and replacement can be conveniently realized, and the rearrangement of the suspension devices on the original framework can also be realized.

Description

Bogie and vehicle with same

Technical Field

The disclosure relates to the technical field of vehicles, in particular to a bogie and a vehicle with the same.

Background

At present, the mainstream of eight-axle locomotives for carrying freight online is the HXD1 locomotive and the HXD2 locomotive, and normalization of heavy-load transportation provides greater challenges for the design of a bogie of the eight-axle freight electric locomotive. Aiming at the current situation of China railway transportation, the speed per hour of a freight locomotive is generally below 120Km/h, axle driving is generally realized by adopting axle suspension type driving, and in the design of a suspension system, a high round spring design mode is generally adopted for secondary suspension, but the traditional suspension system cannot meet the traction requirement of higher tonnage due to the limitation of the structure of the traditional suspension system.

Therefore, higher requirements are put on the design of the locomotive, the bogie is an important component of the locomotive, heavy-load transportation provides new challenges for the dynamics of the locomotive, the current advanced research and development and the reduction of research and development cost become a trend, and under the development trend, the requirements on the performance and the reliability of the bogie are higher and higher.

Disclosure of Invention

It is a primary object of the present disclosure to overcome the above-mentioned problems of prior art bogies that are unable to meet the traction requirements of higher tonnage, and to provide a bogie and a vehicle having the same.

According to a first aspect of the present invention, there is provided a bogie comprising a frame, the bogie further comprising:

a primary suspension device disposed on the frame, the primary suspension device including a dual spring assembly;

the secondary suspension device is arranged on the framework and comprises a rubber pile assembly;

wherein, primary suspension device and secondary suspension device all set up on the framework detachably.

In one embodiment of the invention, the dual spring assembly includes a first spring and a second spring, the first spring being located inside the second spring.

In one embodiment of the invention, the bogie further comprises an axle box, and the primary suspension device further comprises:

the first mounting seat is arranged on the axle box;

the second mounting seat is arranged on the framework, and the first mounting seat and the second mounting seat are arranged at intervals;

wherein, first spring and second spring setting are between first mount pad and second mount pad.

In one embodiment of the present invention, the first mounting seat has a first mounting groove, the second mounting seat has a second mounting groove, and the first mounting groove is disposed opposite to the second mounting groove;

wherein, the both ends of first spring are located the inboard of first mounting groove and second mounting groove respectively, and the second spring is located the outside of first mounting groove and second mounting groove.

In one embodiment of the invention, a suspension system further comprises:

the insulating pad is provided with a mounting hole;

the insulating ring is partially arranged in the mounting hole in a penetrating manner, a stopping part is arranged on the insulating ring, and the stopping part is clamped on the wall of the mounting hole so as to limit the insulating ring from being separated from the mounting hole;

wherein, the insulating ring is sleeved on the first mounting seat.

In one embodiment of the present invention, the secondary suspension device further comprises:

the mounting plate is arranged on the framework, and the rubber stack assembly is arranged on the mounting plate;

wherein the mounting plate is detachably arranged on the framework.

In one embodiment of the invention, the mounting plate is provided with two positioning holes and two positioning bulges, the rubber stack assembly is provided with positioning columns, the positioning columns are inserted into the positioning holes, and the rubber stack assembly is clamped between the two positioning bulges.

In an embodiment of the present invention, the mounting plate is provided with a plurality of locking holes, the plurality of locking holes are arranged at intervals, and the secondary suspension device further includes:

the pressing block is arranged on the mounting plate and pressed on the rubber pile assembly;

the locking piece sequentially penetrates through the pressing block and the locking hole and then is locked on the framework;

wherein, briquetting and retaining member are a plurality of, and set up with a plurality of locking holes one-to-one.

In one embodiment of the invention, the rubber pile assembly comprises a plurality of rubber piles which are arranged on the framework at intervals.

In one embodiment of the invention, the rubber mass comprises:

the support is arranged on the framework, and a groove is formed in the support;

the pressing piece is positioned above the support, and is provided with a bulge which is opposite to the groove;

the buffer piece is clamped between the support and the pressing piece;

wherein, the buffer memory part comprises a rubber block.

In an embodiment of the present invention, the groove is a V-shaped groove, the protrusion is a V-shaped protrusion, and the buffer member further includes:

the clamping plates are a plurality of clamping plates which are V-shaped plates;

wherein, the block rubber is a plurality of, and one in a plurality of block rubbers presss from both sides and establishes between splint and support, and one in a plurality of block rubbers presss from both sides and establishes between splint and the pressure piece, all presss from both sides between two adjacent splint and is equipped with the block rubber.

In one embodiment of the invention, the bogie further comprises:

and the transverse damper is positioned at the end part of the framework and is used for connecting the framework and the vehicle body.

According to a second aspect of the invention, there is provided a vehicle comprising a bogie as described above.

According to the bogie, the primary suspension device is arranged into the double-spring assembly, and the secondary suspension device is arranged into the rubber stack assembly, so that the traction weight of the bogie can be improved. The primary suspension device and the secondary suspension device are detachably arranged on the framework, so that maintenance and replacement can be conveniently realized, and the rearrangement of the suspension devices on the original framework can also be realized.

Drawings

Various objects, features and advantages of the present disclosure will become more apparent from the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings. The drawings are merely exemplary illustrations of the disclosure and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a schematic illustration of a bogie shown according to an exemplary embodiment;

FIG. 2 is a schematic diagram of a primary suspension of a bogie shown in accordance with an exemplary embodiment;

FIG. 3 is a schematic illustration of a second mount of a truck according to an exemplary embodiment;

FIG. 4 is a schematic illustration of a first mount of a truck according to an exemplary embodiment;

FIG. 5 is a schematic illustration of a partial mating arrangement of an insulator pad and an insulator ring of a truck according to an exemplary embodiment;

FIG. 6 is a schematic diagram illustrating the construction of an insulating pad of a truck according to an exemplary embodiment;

FIG. 7 is a schematic diagram illustrating a construction of an insulator ring of a truck according to an exemplary embodiment;

FIG. 8 is a schematic illustration of a portion of a truck according to an exemplary embodiment;

FIG. 9 is a schematic structural view of a mounting plate of a truck according to an exemplary embodiment;

FIG. 10 is a schematic illustration of a partially assembled configuration of a truck according to an exemplary embodiment;

FIG. 11 is a schematic diagram illustrating the construction of a rubber stack of a truck according to an exemplary embodiment.

The reference numerals are explained below:

10. a frame; 20. a primary suspension device; 21. a dual spring assembly; 211. a first spring; 212. a second spring; 22. a first mounting seat; 221. a first mounting groove; 23. a second mounting seat; 231. a second mounting groove; 24. an insulating pad; 241. mounting holes; 25. an insulating ring; 251. a stopper portion; 30. a secondary suspension device; 31. a rubber stack assembly; 311. rubber piles; 313. a support; 314. a groove; 315. pressing the piece; 316. a protrusion; 317. a caching component; 318. a rubber block; 319. a splint; 32. mounting a plate; 321. positioning holes; 322. positioning the projection; 323. a locking hole; 33. briquetting; 34. a locking member; 40. a transverse damper; 50. a traction device; 60. an axle drive system.

Detailed Description

Exemplary embodiments that embody features and advantages of the present disclosure are described in detail below in the specification. It is to be understood that the disclosure is capable of various modifications in various embodiments without departing from the scope of the disclosure, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.

In the following description of various exemplary embodiments of the disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration various exemplary structures in which aspects of the disclosure may be practiced. Other specific arrangements of systems and steps, and structural and functional modifications may be made without departing from the scope of the present disclosure. Moreover, although the terms "over", "between", "within", and the like may be used in this specification to describe various example features and elements of the disclosure, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the drawings. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of this disclosure.

In one embodiment of the present invention, referring to fig. 1 to 11, a bogie is provided, which includes a frame 10, and further includes: a primary suspension device 20, the primary suspension device 20 being disposed on the frame 10, the primary suspension device 20 including a double spring assembly 21; a secondary suspension device 30, the secondary suspension device 30 is arranged on the framework 10, and the secondary suspension device 30 comprises a rubber pile assembly 31; wherein, the primary suspension device 20 and the secondary suspension device 30 are detachably arranged on the framework 10.

The bogie of one embodiment of the present invention can increase the traction weight of the bogie by providing the primary suspension device 20 as the double spring assembly 21 and the secondary suspension device 30 as the rubber pile assembly 31. Wherein, the primary suspension device 20 and the secondary suspension device 30 are detachably arranged on the framework 10, which can not only conveniently realize maintenance and replacement, but also realize rearrangement of the suspension devices on the original framework 10.

The bogie of one embodiment of the invention can adaptively adjust the framework structure on the basis of the existing locomotive secondary high round spring to realize secondary rubber stack arrangement, and simultaneously adopts the overall matching mode of locomotive deflection to realize the primary suspension spring arrangement mode of the secondary rubber stack structure on the basis of the space of the existing locomotive primary axle box spring. In terms of bogie dynamics, the realization of bogie heavy load dynamics is realized, and the traction requirements of double-machine traction ten thousand tons and 1+1 traction twenty thousand tons are theoretically realized.

With respect to the specific structure of the dual spring assembly 21, as shown in fig. 2, the dual spring assembly 21 includes a first spring 211 and a second spring 212, and the first spring 211 is located inside the second spring 212.

In one embodiment, the dual spring assembly 21 is composed of a first spring 211 and a second spring 212, and when the dual spring assembly is specifically installed, the first spring 211 is disposed inside the second spring 212, that is, the peripheral diameter of the first spring 211 is smaller than the diameter of the inner space enclosed by the second spring 212, so that the reliable installation of the two springs is ensured, and the common stress is realized.

As shown in fig. 2 to 4, the bogie further includes an axle box, and the primary suspension device 20 further includes: a first mounting seat 22, the first mounting seat 22 being provided on the axle box; a second mounting seat 23, wherein the second mounting seat 23 is arranged on the framework 10, and the first mounting seat 22 and the second mounting seat 23 are arranged at intervals; wherein the first spring 211 and the second spring 212 are disposed between the first mount 22 and the second mount 23.

In one embodiment, the first spring 211 and the second spring 212 are fixed by the first mounting seat 22 and the second mounting seat 23, that is, during a specific installation process, the first mounting seat 22 disposed on the axle box is a spring lower mounting seat, and the second mounting seat 23 disposed on the frame 10 is a spring upper mounting seat, which cooperate with the first spring 211 and the second spring 212 to achieve the installation of the first spring 211 and the second spring 212.

As shown in fig. 3 and 4, the first mounting seat 22 has a first mounting groove 221, the second mounting seat 23 has a second mounting groove 231, and the first mounting groove 221 is disposed opposite to the second mounting groove 231; the two ends of the first spring 211 are respectively located at the inner sides of the first mounting groove 221 and the second mounting groove 231, and the second spring 212 is located at the outer sides of the first mounting groove 221 and the second mounting groove 231.

In one embodiment, the segments of the first spring 211 are located in the first and second mounting

grooves

221 and 231, and the second spring 212 is sleeved on the outer surfaces of the first and second mounting

seats

22 and 23 and clamped between the first and second mounting

seats

22 and 23.

As shown in fig. 5 to 7, a suspension system 20 further includes: the insulating pad 24, the insulating pad 24 is provided with a mounting hole 241; the insulating ring 25, a part of the insulating ring 25 is inserted into the mounting hole 241, the insulating ring 25 is provided with a stopping part 251, and the stopping part 251 is clamped on the hole wall of the mounting hole 241 to limit the insulating ring 25 to be separated from the mounting hole 241; wherein, the insulation ring 25 is sleeved on the first mounting seat 22. The provision of the insulating pad 24 and the insulating ring 25 prevents the current on the bogie from being transmitted to the bearing through the first and second mounting

seats

22, 23. The stop 251 is disposed on the insulating ring 25 to prevent the insulating ring 25 from separating from the insulating pad 24 during the operation of the vehicle.

In one embodiment, the insulation ring 25 with the chamfer shape is matched with the insulation pad 24, so that the problem that the insulation ring 25 is bunched out in the vehicle running process is effectively inhibited.

As shown in fig. 9, the secondary suspension device 30 further includes: a mounting plate 32, the mounting plate 32 being disposed on the frame 10, the rubber stack assembly 31 being disposed on the mounting plate 32; wherein the mounting plate 32 is detachably arranged on the frame 10.

In one embodiment, the rubber stack assembly 31 is mounted to the frame 10 by a mounting plate 32, and since the mounting plate 32 is detachable from the frame 10, the mounting plate 32 need only be detached from the frame 10 to replace the rubber stack assembly 31, which is extremely efficient. In addition, the mounting plate 32 may also be used to mount other types of suspension devices, such as round spring suspension devices, and the like.

In one embodiment, the mounting plate 32 is provided with two positioning holes 321 and two positioning protrusions 322, the rubber stack assembly 31 is provided with positioning columns, the positioning columns are inserted into the positioning holes 321, and the rubber stack assembly 31 is clamped between the two positioning protrusions 322. The cooperation between locating hole 321 and the reference column can realize the quick location of rubber heap subassembly 31 and mounting panel 32, and when specifically installing, rubber heap subassembly 31 centre gripping can prevent rubber heap subassembly 31 offset between two location archs 322.

As shown in fig. 9 and 10, the mounting plate 32 is provided with a plurality of locking holes 323, the plurality of locking holes 323 are arranged at intervals, and the secondary suspension device 30 further includes: the pressing block 33 is arranged on the mounting plate 32, and is pressed on the rubber stack assembly 31; the locking piece 34, after the locking piece 34 passes the pressing block 33 and the locking hole 323 sequentially, is locked on the framework 10; the pressing blocks 33 and the locking members 34 are provided in plural, and are arranged corresponding to the locking holes 323 one by one.

In one embodiment, the pressing piece 33 is provided to ensure that the rubber stack assembly 31 is fixed, i.e. fixed on the mounting plate 32, without any influence on the structure of the rubber stack assembly 31, and after all, the rubber stack assembly 31 is not provided with any structure such as a fixing hole, but is pressed only through the end face.

In one embodiment, the retaining member 34 provides for securing the press block 33 and also ensures that the mounting plate 32 is securely fastened to the frame 10.

With respect to the rubber pile assembly 31, as shown in fig. 8, the rubber pile assembly 31 includes a plurality of rubber piles 311, and the plurality of rubber piles 311 are provided at intervals on the frame 10. The rubber piles 311 are all mutually independent structures, and can be conveniently replaced on the basis of ensuring bearing, and are convenient to process.

With respect to the specific structure of the rubber pile 311, as shown in fig. 11, the rubber pile 311 includes: a support 313, wherein the support 313 is arranged on the framework 10, and a groove 314 is arranged on the support 313; the pressing piece 315 is positioned above the support 313, a protrusion 316 is arranged on the pressing piece 315, and the protrusion 316 is arranged opposite to the groove 314; the buffer member 317, the buffer member 317 is clamped between the support 313 and the pressing member 315; wherein the buffer member 317 comprises a rubber block 318.

In one embodiment, the rubber pile 311 is composed of a support 313, a pressing member 315 and a buffer member 317 clamped between the support 313 and the pressing member 315, and the buffer member 317 mainly plays a role of ensuring sufficient buffering and bearing capacity.

In one embodiment, the groove 314 is a V-shaped groove, the protrusion 316 is a V-shaped protrusion, and the buffer member 317 further includes: a plurality of clamping plates 319, wherein the clamping plates 319 are V-shaped plates; the rubber blocks 318 are multiple, one of the rubber blocks 318 is clamped between the clamping plate 319 and the support 313, one of the rubber blocks 318 is clamped between the clamping plate 319 and the pressing piece 315, and the rubber blocks 318 are clamped between two adjacent clamping plates 319.

In one embodiment, the rubber block 318 is formed by a vulcanization process.

In one embodiment, the buffer member 317 adopts a V-shaped mechanism, so that the ratio of the transverse rigidity to the longitudinal rigidity is increased, and the difference between the transverse rigidity and the longitudinal rigidity is relatively large.

As shown in fig. 8, the bogie further includes: and a transverse damper 40, the transverse damper 40 being located at an end of the frame 10 for connecting the frame 10 to the vehicle body.

As shown in fig. 1, the bogie further comprises a traction device 50 and an axle drive system 60.

An embodiment of the invention also provides a vehicle comprising the bogie.

The invention also provides a bogie refitting method, which comprises the following steps: a frame 10 of a bogie of a power locomotive for goods use; mounting a primary suspension device 20 on the frame 10, wherein the primary suspension device 20 comprises a double spring assembly 21; a secondary suspension device 30 is mounted on the frame 10, wherein the secondary suspension device 30 comprises a rubber stack assembly 31.

In one embodiment, prior to mounting the primary suspension device 20 on the frame 10, the truck conversion method further comprises: and dismantling a series of suspension springs, an upper spring seat and a lower spring seat of the freight electric locomotive bogie.

In one embodiment, prior to mounting the secondary suspension 30 on the frame 10, the truck conversion method further comprises: and (3) dismantling a secondary high round spring and a transverse shock absorber of the freight electric locomotive bogie.

The bogie of the invention is a heavy-load locomotive bogie capable of adjusting two suspension devices, the framework structure is adaptively adjusted on the basis of the high round spring of the second system of the existing locomotive, the arrangement of the second system rubber pile is realized, and meanwhile, the arrangement mode of the first system suspension spring of the second system rubber pile structure is realized on the basis of the space of the axle box spring of the first system of the existing locomotive by adopting the integral matching mode of locomotive deflection. In terms of bogie dynamics, the realization of bogie heavy load dynamics is realized, and the traction requirements of double-machine traction ten thousand tons and 1+1 traction twenty thousand tons are theoretically realized.

Structurally, this bogie can satisfy arranging of high circle spring and rubber heap simultaneously, has realized that the structure exchanges, and is different according to customer's demand, realizes customizing the purpose requirement of bogie. The arrangement mode of the rubber piles is adopted, so that the heavy-load traction requirements of double-machine traction ten thousand tons and 1+1 traction twenty thousand tons are better met. The rubber pile is designed in a V shape, so that the difference between the transverse rigidity and the longitudinal rigidity of the rubber pile is better realized, and the requirement of transverse dynamics of a heavy-duty locomotive is met.

The novel bogie disclosed by the invention has the following advantages:

in the aspect of structure, on the basis of keeping the overall structure of the existing locomotive bogie unchanged, the arrangement of the secondary rubber piles is skillfully realized by utilizing the existing structural space. On the basis of the existing series of springs, the arrangement of the series of suspension springs is realized. In the aspect of dynamics, the improved bogie realizes the traction requirements of double-machine traction ten thousand tons and 1+1 traction twenty thousand tons in the aspect of heavy-load dynamics. In the aspect of bogie component test, because the change of the whole structure is small, only the type test of key change components is carried out in the aspect of bogie component type test, and the research and development period is greatly shortened. In the aspect of mass production, because the improvement on the existing vehicle is adopted, the process production extends to the production line of the existing vehicle, and the production period from the test vehicle to the batch vehicle is shortened. The modularized bogie is produced, the existing technology and the application experience after batch production are used for reference, a mature and reliable driving mode is selected for arrangement, the adaptive adjustment is carried out on suspension parameters, and a reference thought is provided for the modularized bogie and a new bogie with the speed lower than 120 km/h.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A bogie, characterized by comprising a frame (10), said bogie further comprising:

a primary suspension device (20), the primary suspension device (20) being disposed on the frame (10), the primary suspension device (20) including a double spring assembly (21);

a secondary suspension device (30), the secondary suspension device (30) being arranged on the frame (10), the secondary suspension device (30) comprising a rubber pile assembly (31);

wherein the primary suspension device (20) and the secondary suspension device (30) are both detachably arranged on the framework (10).

2. The bogie according to claim 1, wherein the double spring assembly (21) comprises a first spring (211) and a second spring (212), the first spring (211) being located inside the second spring (212).

3. The bogie according to claim 2, wherein the bogie further comprises an axle box, the primary suspension device (20) further comprising:

a first mounting seat (22), the first mounting seat (22) being disposed on the axle housing;

a second mounting seat (23), wherein the second mounting seat (23) is arranged on the framework (10), and the first mounting seat (22) and the second mounting seat (23) are arranged at intervals;

wherein the first spring (211) and the second spring (212) are arranged between the first mounting seat (22) and the second mounting seat (23).

4. A bogie as claimed in claim 3, characterised in that the first mounting seat (22) has a first mounting groove (221) and the second mounting seat (23) has a second mounting groove (231), the first mounting groove (221) being disposed opposite the second mounting groove (231);

wherein, both ends of the first spring (211) are respectively positioned at the inner sides of the first mounting groove (221) and the second mounting groove (231), and the second spring (212) is positioned at the outer sides of the first mounting groove (221) and the second mounting groove (231).

5. A bogie as claimed in claim 3, characterised in that the primary suspension device (20) further comprises:

the insulating pad (24), the insulating pad (24) is provided with a mounting hole (241);

the insulating ring (25) is partially arranged in the mounting hole (241) in a penetrating manner, a stopping part (251) is arranged on the insulating ring (25), and the stopping part (251) is clamped on the hole wall of the mounting hole (241) so as to limit the insulating ring (25) from being separated from the mounting hole (241);

the insulating ring (25) is sleeved on the first mounting seat (22).

6. The bogie according to claim 1, wherein the secondary suspension device (30) further comprises:

a mounting plate (32), the mounting plate (32) being disposed on the frame (10), the rubber stack assembly (31) being disposed on the mounting plate (32);

wherein the mounting plate (32) is detachably provided on the frame (10).

7. The bogie according to claim 6, wherein the mounting plate (32) is provided with two positioning holes (321) and two positioning protrusions (322), the rubber stack assembly (31) is provided with positioning columns, the positioning columns are inserted into the positioning holes (321), and the rubber stack assembly (31) is clamped between the two positioning protrusions (322).

8. The bogie according to claim 6, wherein the mounting plate (32) is provided with a plurality of locking holes (323), the plurality of locking holes (323) are arranged at intervals, and the secondary suspension device (30) further comprises:

a pressing block (33), wherein the pressing block (33) is arranged on the mounting plate (32) and pressed on the rubber stack component (31);

the locking piece (34) is locked on the framework (10) after the locking piece (34) sequentially passes through the pressing block (33) and the locking hole (323);

the pressing blocks (33) and the locking pieces (34) are multiple and are arranged corresponding to the locking holes (323) one by one.

9. The bogie according to claim 1, wherein the rubber pile assembly (31) comprises a plurality of rubber piles (311), and the plurality of rubber piles (311) are arranged on the frame (10) at intervals.

10. The bogie according to claim 9, wherein the rubber pile (311) comprises:

a support (313), wherein the support (313) is arranged on the framework (10), and a groove (314) is arranged on the support (313);

the pressing piece (315) is positioned above the support (313), a protrusion (316) is arranged on the pressing piece (315), and the protrusion (316) is opposite to the groove (314);

the buffer piece (317), the buffer piece (317) is clamped between the support (313) and the pressing piece (315);

wherein the buffer member (317) comprises a rubber block (318).

11. The truck of claim 10, wherein the recess (314) is a V-shaped groove and the protrusion (316) is a V-shaped protrusion, the bumper member (317) further comprising:

a plurality of cleats (319), the cleats (319) being a plurality of, the cleats (319) being V-shaped plates;

the rubber blocks (318) are multiple, one of the rubber blocks (318) is clamped between the clamping plate (319) and the support (313), one of the rubber blocks (318) is clamped between the clamping plate (319) and the pressing piece (315), and the rubber blocks (318) are clamped between every two adjacent clamping plates (319).

12. The bogie of claim 1, further comprising:

a transverse damper (40), said transverse damper (40) being located at an end of said frame (10) for connecting said frame (10) to a vehicle body.

13. A vehicle comprising a bogie as claimed in any one of claims 1 to 12.