CN219029419U - Bogie assembly and rail vehicle - Google Patents

Abstract

The utility model discloses a bogie assembly and a railway vehicle, wherein the bogie assembly comprises a bogie framework, an axle box body and a shock absorber, the bogie framework is provided with a first mounting seat, the axle box body is provided with a second mounting seat, the first mounting seat and the second mounting seat are arranged in a staggered manner in the transverse direction, and two ends of the shock absorber are respectively fixedly mounted on the first mounting seat and the second mounting seat. By adopting the scheme, the whole shock absorber is obliquely arranged in the transverse plane, so that transverse damping and vertical damping can be provided, that is, the shock absorber integrates the functions of the transverse shock absorber and the vertical shock absorber, the running stability of a railway vehicle can be improved, and the problem of underhigh and large railway vehicle can be solved; and the number of parts of the bogie assembly can be reduced, so that the installation space of the bogie assembly is reduced, and the bogie assembly can be applied to scenes such as small wheelbase and the like.

Description

Bogie assembly and rail vehicle

Technical Field

The utility model relates to the technical field of railway vehicles, in particular to a bogie assembly and a railway vehicle.

Background

In some areas, such as europe, the railway lines have the characteristics of small lines, more curves and undersize, when the railway vehicle is designed, a bogie with a small wheelbase is often adopted, and the reduction of the wheelbase of the bogie compresses the installation space of related parts, so that part of parts cannot be installed, and the functions of the railway vehicle are further affected.

Therefore, how to provide a solution to reduce the installation space of the bogie assembly is still a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a bogie assembly and a railway vehicle, wherein the shock absorber of the bogie assembly is obliquely arranged in a transverse plane, can synchronously play the functions of transverse shock absorption and vertical shock absorption, and can reduce the number of parts so as to reduce the installation occupied space.

In order to solve the technical problems, the utility model provides a bogie assembly, which comprises a bogie frame, an axle box body and a shock absorber, wherein the bogie frame is provided with a first mounting seat, the axle box body is provided with a second mounting seat, the first mounting seat and the second mounting seat are arranged in a staggered manner in the transverse direction, and two ends of the shock absorber are respectively and fixedly arranged on the first mounting seat and the second mounting seat.

By adopting the scheme, the whole shock absorber is obliquely arranged in the transverse plane, so that transverse damping and vertical damping can be provided, that is, the shock absorber integrates the functions of the transverse shock absorber and the vertical shock absorber, the running stability of a railway vehicle can be improved, and the problem of underhigh and large railway vehicle can be solved; and the number of parts of the bogie assembly can be reduced, so that the installation space of the bogie assembly is reduced, and the bogie assembly can be applied to scenes such as small wheelbase and the like.

Optionally, the axle box body includes an upper box body and a lower box body, and the second mounting seat is arranged on the lower box body.

Optionally, the upper case is integrated with a swivel arm.

Optionally, the second mounting seat comprises two seats arranged at intervals in the longitudinal direction.

Optionally, the second mount is located laterally inboard of the first mount.

The utility model also provides a railway vehicle, which comprises a vehicle body and a bogie assembly, wherein the bogie assembly is the bogie assembly.

Since the bogie assembly has the technical effects described above, the railway vehicle having the bogie assembly also has similar technical effects, and thus will not be described herein.

Drawings

FIG. 1 is a schematic illustration of a bogie assembly provided by the present utility model;

FIG. 2 is a schematic diagram of the structure of an axle housing;

fig. 3 is a top view of fig. 2.

The reference numerals are explained as follows:

the steering frame comprises a bogie frame body 1, a first mounting seat 11, a shaft box body 2, an upper box body 21, a rotating arm 211, a lower box body 22, a second mounting seat 221, a seat 221a and a shock absorber 3.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.

In embodiments of the present utility model, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and for example, "connected" may be either detachably connected or non-detachably connected; may be directly connected or indirectly connected through an intermediate medium.

In the description of embodiments of the present utility model, the term "longitudinal" refers to the direction of travel of a rail vehicle; in the running plane of the railway vehicle, the direction perpendicular to the longitudinal direction is transverse, and the plane perpendicular to the longitudinal direction is transverse; the direction perpendicular to the running plane is "vertical", "vertical" is also referred to as up-down direction, and in the up-down direction, the direction relatively close to the running plane is "down", and the direction relatively far from the running plane is "up".

In the description of embodiments of the present utility model, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Referring to fig. 1-3, fig. 1 is a schematic diagram of a bogie assembly according to the present utility model, fig. 2 is a schematic diagram of an axle box, and fig. 3 is a top view of fig. 2.

As shown in fig. 1, the present utility model provides a bogie assembly including a bogie frame 1, an axle box 2, and a damper 3. The bogie frame 1 is provided with a first mounting seat 11, the axle box 2 is provided with a second mounting seat 221, the first mounting seat 11 and the second mounting seat 221 are arranged in a staggered manner in the transverse direction, and two ends of the shock absorber 3 are respectively and fixedly mounted on the first mounting seat 11 and the second mounting seat 221.

By adopting the scheme, the whole shock absorber 3 is obliquely arranged in the transverse plane, so that not only can transverse damping be provided, but also vertical damping can be provided, namely, the shock absorber 3 integrates the functions of the transverse shock absorber and the vertical shock absorber, the running stability of a railway vehicle can be improved, and the problem of underhigh and large railway vehicle can be solved; and the number of parts of the bogie assembly can be reduced, so that the installation space of the bogie assembly is reduced, and the bogie assembly can be applied to scenes such as small wheelbase and the like.

Here, the embodiment of the present utility model is not limited to the type of the damper 3, and in practical application, a person skilled in the art may select as required, as long as the requirement of use can be satisfied. The damper 3 may be, for example, an oil damper, a spring damper, a combination of both, or the like.

In addition, the embodiment of the present utility model is not limited to a specific angle value of the shock absorber 3 tilting in the transverse plane, and in practical application, a person skilled in the art may set the angle value according to specific needs, so long as the angle value can meet the use requirement. For example, as shown in fig. 1, an angle between a central axis of the damper 3 (which is also a compression damping direction of the damper 3) and a vertical direction may be denoted as α, and α may be between 20 ° and 30 °, for example, may be 25 °, in which case the damper 3 can perform the functions of vertical damping and lateral damping well, and an installation space in a lateral direction may be small.

Referring to fig. 2 and 3, the axle housing 2 may have a split structure disposed in an up-down direction, and includes an upper housing 21 and a lower housing 22, and the aforementioned second mounting seat 221 may be disposed on the lower housing 22 to improve the structural strength of the lower housing 22 and provide a sufficient space for mounting the shock absorber 3.

The second mount 221 may include two housings 221a spaced apart in the longitudinal direction, and the damper 3 may be specifically mounted to the two housings 221a to achieve an inclined arrangement of the damper 3 in the transverse plane. Here, the embodiment of the present utility model is not limited to a specific installation structure between the damper 3 and the two housings 221a, and in practical application, a person skilled in the art may adjust the installation structure according to specific needs, so long as the installation structure can meet the use requirements; the damper 3 may be fastened to the base 221a by means of a connecting member in the form of a bolt or the like, for example.

The upper case 21 may be integrated with a swivel arm 211, the swivel arm 211 being used in connection with the bogie frame 1.

The second mounting seat 221 may be located at a lateral inner side of the first mounting seat 11 in a specific installation, so that the occupation of the lateral space by the bogie assembly can be further reduced, and the size of the bogie assembly in the lateral direction can be reduced.

The utility model also provides a railway vehicle, which comprises a vehicle body and a bogie assembly, wherein the bogie assembly is the bogie assembly related to each embodiment.

Since the bogie assemblies according to the above embodiments have the above technical effects, the rail vehicle having the bogie assemblies also has similar technical effects, and thus will not be described herein.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (9)

1. The utility model provides a bogie subassembly, its characterized in that includes bogie frame (1), axle box (2) and shock absorber (3), bogie frame (1) is provided with first mount pad (11), axle box (2) are provided with second mount pad (221), first mount pad (11) with second mount pad (221) dislocation set in the horizontal, the both ends of shock absorber (3) fixed mounting respectively in first mount pad (11) with second mount pad (221).

2. Bogie assembly according to claim 1, characterized in that the axle box (2) comprises an upper box (21) and a lower box (22).

3. The bogie assembly according to claim 2, wherein the second mounting seat (221) is provided to the lower case (22).

4. Bogie assembly according to claim 2, characterized in that the upper box (21) is integrated with a swivel arm (211).

5. The bogie assembly according to any of claims 1-4, wherein the shock absorber (3) is at least one of an oil pressure shock absorber, a spring shock absorber.

6. Bogie assembly according to any of claims 1-4, wherein the centre axis of the damper (3) and the vertical are included at an angle of between 20 ° -30 °.

7. The bogie assembly according to any of claims 1 to 4, wherein the second mounting seat (221) comprises two seats (221 a) arranged at a distance in the longitudinal direction.

8. The bogie assembly according to any of claims 1-4, wherein the second mount (221) is located laterally inboard of the first mount (11).

9. A rail vehicle comprising a body and a bogie assembly, wherein the bogie assembly is as claimed in any one of claims 1 to 8.

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