CN218258138U

CN218258138U - Wind shield for railway vehicle and railway vehicle

Info

Publication number: CN218258138U
Application number: CN202222884478.8U
Authority: CN
Inventors: 戈建鸣; 吴彬; 吴猛
Original assignee: KTK Group Co Ltd
Current assignee: KTK Group Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-10
Anticipated expiration: 2032-10-31

Abstract

The application relates to a wind screen for a railway vehicle and the railway vehicle. Wind screen for rail vehicle includes wind screen main part and carbon fiber handrail, wind screen main part includes interconnect's seat connecting portion and the dependence portion that at least part was made by carbon fiber material, the one end of carbon fiber handrail with dependence portion keeps away from the one end of seat connecting portion is connected, the other end of carbon fiber handrail connect in seat connecting portion keeps away from the one end of dependence portion, seat connecting portion rely on the portion with the carbon fiber handrail is located same vertical face. The wind screen for the railway vehicle is light in weight, and light weight of the railway vehicle is facilitated.

Description

Wind shield for railway vehicle and railway vehicle

Technical Field

The application relates to the technical field of rail transit, specifically relates to a windshield and rail vehicle for rail vehicle.

Background

With the rapid development of economy, light weight is promoted, and the light weight is an important target of modern rail vehicle design. On one hand, the weight is lightened, the self weight of the vehicle is reduced, the raw materials are saved, and the manufacturing cost is reduced; on the other hand, the light weight reduces the traction force and the braking force of the vehicle, realizes energy conservation and consumption reduction, effectively reduces the load of the line and saves the maintenance cost. Thus, the light weight has great and long-term economic benefits. According to the investigation of the wind screen of the current railway vehicle, most of the wind screen still uses the cast steel/cast aluminum process, and the manufactured products are heavy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rail vehicle is with keeping off wind screen and rail vehicle.

According to a first aspect of the application, a windshield for rail vehicle is provided, including windshield main part and carbon fiber handrail, the windshield main part includes interconnect's seat connecting portion and the dependence portion that at least part was made by carbon fiber material, the one end of carbon fiber handrail with dependence portion is kept away from the one end of seat connecting portion is connected, the other end of carbon fiber handrail connect in seat connecting portion keeps away from the one end of dependence portion, seat connecting portion the dependence portion with the carbon fiber handrail is located same vertical plane.

Optionally, the dependence portion is of a U-shaped structure and comprises a first connecting portion, a second connecting portion and a third connecting portion which are connected in sequence, the second connecting portion is connected to the seat connecting portion and parallel to the seat connecting portion, the first connecting portion and the third connecting portion are arranged oppositely, and the carbon fiber armrest is connected to one end of the seat connecting portion and is kept away from the first connecting portion and the third connecting portion respectively.

Optionally, the depending portion includes a first skin, a foam core and a second skin, the first skin and the second skin are made of carbon fiber materials, the foam core is disposed between the first skin and the second skin, and the first skin, the foam core and the second skin are all in a U-shaped structure.

Optionally, a skeleton structure is disposed in the foam core, and the skeleton structure is disposed at least in the foam core corresponding to the second connecting portion and the third connecting portion.

Optionally, the first connecting portion and the third connecting portion are provided with a through hole at an end thereof away from the seat connecting portion, and the carbon fiber armrest is respectively inserted into the through hole of the first connecting portion and the through hole of the third connecting portion.

Optionally, with the third connecting portion are connected be equipped with first metal joint in the one end of carbon fiber handrail, the third connecting portion through the downthehole cavity that is equipped with and be the first accommodation space of confined form, the wind screen for rail vehicle still includes first bolt, first bolt run through first accommodation space with first metal joint threaded connection.

Optionally, one side of the second connecting portion facing the seat connecting portion is provided with a hollow and closed second accommodating space, the wind screen for the rail vehicle further includes a second bolt and a nut, and the second bolt penetrates through the second accommodating space and a side wall of the seat connecting portion and is in threaded connection with the nut on the side of the seat connecting portion away from the depending portion.

Optionally, the carbon fiber armrest includes a second metal joint and an armrest body made of a carbon fiber material, the second metal joint is fixedly disposed at an end of the armrest body away from the resting portion, and the second metal joint and the seat connecting portion are fixed by a third bolt.

According to a second aspect of the present application, there is provided a railway vehicle comprising a car seat and at least two wind screens for railway vehicles as described above, the seat connecting portions extend in the up-down direction, and the car seat extends in the horizontal direction and is disposed between the two seat connecting portions.

Through above-mentioned technical scheme, because the handrail adopts carbon fiber material to and the portion of relying on also adopts carbon fiber material to make, make the windshield compare and adopt cast steel or cast aluminium, can greatly reduce the weight of windshield self, be favorable to promoting the lightweight of vehicle, thereby can reduce the traction force and the braking force of vehicle, realize energy saving and consumption reduction, simultaneously, because weight can reduce, the transport is also lighter, laborsaving with the installation.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

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 specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of a windshield for a rail vehicle according to an exemplary embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a relying section provided in an exemplary embodiment of the present application;

fig. 3 is a schematic structural diagram of a carbon fiber handrail provided in an exemplary embodiment of the present application.

Description of the reference numerals

1-a relying part; 2-a carbon fiber handrail; 3-a seat connection; 4-a first accommodation space; 5-a first bolt; 6-a second accommodation space; 7-a second bolt; 8-a third bolt; 11-a first skin; 12-a foam core; 13-a framework structure; 14-a second skin; 15-via holes; 16-a first connection; 17-a second connection; 18-a third connecting portion; 21-a second metal joint; 22-a handrail body; 23-first metal joint.

Detailed Description

The following detailed description of embodiments of the present application will be made with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present application, are given by way of illustration and explanation only, and are not intended to limit the present application.

In the present application, without being described to the contrary, the term "up and down" refers to the orientation or position relationship of the product that is usually placed when the product is used, and can be understood as up and down along the gravity direction, which also corresponds to the "up and down" in the drawing. In addition, it should be noted that terms such as "first", "second", and the like are used for distinguishing one element from another, and have no order or importance.

As shown in fig. 1, according to a first aspect of the present application, there is provided a windshield for a railway vehicle, the windshield for a railway vehicle comprising a windshield main body and a carbon fiber handrail 2.

In practical use, two wind screens and a seat are usually used in combination, namely, the seat is arranged between the two wind screens, the wind screens are generally perpendicular to the carriage floor of the railway vehicle, and the seat is horizontally arranged between the two wind screens, namely, the seat is parallel to the carriage floor, therefore, when passengers sit at two ends of the seat, the arms can be placed on the depending part 1, so that the riding fatigue can be relieved, and the riding comfort is improved.

Specifically, the windshield main body includes interconnect's seat connecting portion 3 and at least part dependence portion 1 of being made by carbon fiber material, the one end of carbon fiber handrail 2 is connected with the one end that dependence portion 1 kept away from seat connecting portion 3, the other end of carbon fiber handrail 2 is connected in the one end that dependence portion 1 was kept away from to seat connecting portion 3, in fig. 1, the lower extreme and the dependence portion 1 of carbon fiber handrail 2 are connected, the upper end and the seat connecting portion 3 of carbon fiber handrail 2 are connected, and on the direction that extends to the upper end from the lower extreme of carbon fiber handrail 2, the distance of carbon fiber handrail 2 and seat connecting portion 3 diminishes from big gradually, until being 0, seat connecting portion 3, dependence portion 1 and carbon fiber handrail 2 are located same vertical plane.

Because carbon fiber handrail 2 is connected with seat connecting portion 3 and dependence portion 1 simultaneously, make carbon fiber handrail 2, seat connecting portion 3 and dependence portion 1 tend to the triangle-shaped structure from whole appearance, can make the structure of windshield more stable and reliable like this, in the application, because the handrail adopts carbon fiber material, and dependence portion 1 also adopts carbon fiber material to make, make the windshield compare and adopt cast steel or cast aluminium, can greatly reduce the weight of windshield self, be favorable to promoting the lightweight of vehicle, thereby can reduce the traction force and the braking force of vehicle, realize energy saving and consumption reduction, and simultaneously, because weight can reduce, the transport is also lighter with the installation, and is laborsaving.

The utility model provides a rely on portion 1 can be used for supporting the arm of passenger on the seat, and carbon fiber handrail 2 can supply the passenger of standing to support, also can supply to sit the passenger support on the seat.

As shown in fig. 1, in this embodiment, the relying part 1 is a U-shaped structure, an opening of the U-shaped structure extends toward a side away from the seat connecting part 3, the U-shaped structure includes a first connecting part 16, a second connecting part 17 and a third connecting part 18 which are connected in sequence, the second connecting part 17 is connected to the seat connecting part 3 and is parallel to the seat connecting part 3, the first connecting part 16 and the third connecting part 18 are arranged oppositely, the first connecting part 16 and the third connecting part 18 are approximately perpendicular to the seat connecting part 3, the carbon fiber armrest 2 is connected to one end of the first connecting part 16 and one end of the third connecting part 18 away from the seat connecting part 3, the carbon fiber armrest 2 is connected to the first connecting part 16 and the third connecting part 18, so that the connection between the carbon fiber armrest 2 and the first connecting part 16, and the connection between the third connecting part 18 are more stable, the stability of the whole wind shield is improved, and the carbon fiber armrest 2 and the relying part 1 are not easy to loosen.

As shown in fig. 1 and 2, in the present embodiment, the relying portion 1 includes a first skin 11, a foam core 12 and a second skin 14, the first skin 11 and the second skin 14 are made of carbon fiber materials, the foam core 12 is disposed between the first skin 11 and the second skin 14, and the first skin 11, the foam core 12 and the second skin 14 are all in a U-shaped structure, wherein the first skin 11 and the second skin 14 may be arranged in a symmetrical structure, and the area of the first skin 11 and the area of the second skin 14 are slightly larger than the area of the foam core 12, so that the foam core 12 may be sandwiched between the first skin 11 and the second skin 14, and since the first skin 11 and the second skin 14 are made of carbon fiber materials, and the weight of the foam core 12 is also low, the weight of the whole relying portion 1 is reduced.

As shown in fig. 2, in this embodiment, in order to ensure the structural strength of the relying part 1, the skeleton structure 13 is provided in the foam core 12, the skeleton structure 13 is provided at least in the foam core 12 corresponding to the second connecting part 17 and the third connecting part 18, and the skeleton structure 13 provided in the second connecting part 17 and the third connecting part 18 can enhance the structural strength of the relying part 1 in the transverse direction and the longitudinal direction, thereby ensuring that the relying part 1 can support part of the weight of the passenger's body. Furthermore, since the frame structure 13 is provided in the second connecting portion 17, a connecting carrier can also be provided for connecting the rest portion 1 and the seat connecting portion 3 to each other.

In the specific manufacturing process, the relying part 1 may be manufactured by pre-embedding the skeleton structure 13 into the foam core 12, and then by using a carbon fiber RTM process, so as to manufacture the relying part 1 having the first skin 11, the foam core 12 with the built-in skeleton structure 13, and the second skin 14.

In other embodiments, the skeleton structure 13 may also be provided in the first connection portion 16.

As shown in fig. 2, in this embodiment, the one ends of the first connecting portion 16 and the third connecting portion 18, which are far away from the seat connecting portion 3, are respectively provided with a via hole 15, the carbon fiber handrail 2 respectively penetrates through the via holes 15 of the first connecting portion 16 and the third connecting portion 18, and the carbon fiber handrail 2 penetrates through the via holes 15 of the first connecting portion 16 and the third connecting portion 18, so that the contact area between the carbon fiber handrail 2 and the relying portion 1 is larger, so that the interconnection between the carbon fiber handrail 2 and the relying portion 1 is more reliable and stable, and meanwhile, because the carbon fiber handrail 2 does not protrude outward relative to the first connecting portion 16 and the third connecting portion 18, so that the carbon fiber handrail 2 and the relying portion 1 are approximately in the same vertical plane, and the carbon fiber handrail 2 and the relying portion 1 do not occupy too much space. It is expected that when the carbon fiber handrail 2 is coupled to the outer surfaces of the first coupling portion 16 and the third coupling portion 18, respectively, coupling difficulty may be caused due to a small contact surface, and in addition, the thickness of the windshield may be increased, which may occupy a space inside the vehicle compartment.

As shown in fig. 1, in this embodiment, the carbon fiber handrail 2 is hollow to reduce its own weight, a first metal joint 23 is disposed in a lower end of the carbon fiber handrail 2, that is, the metal joint is disposed in one end of the carbon fiber handrail 2 connected to the third connecting portion 18, because the carbon fiber handrail 2 is hollow, the carbon fiber handrail 2 is substantially tubular, wherein the first metal joint 23 can be fixed with the carbon fiber handrail 2 by molding, that is, the first metal joint 23 is fixed in the lower end of the carbon fiber handrail 2, a hollow and closed first accommodating space 4 is disposed in the through hole 15 of the third connecting portion 18, the wind shield for a rail vehicle further includes a first bolt 5, a threaded hole is disposed on the first metal joint 23, and the first bolt 5 penetrates through the first accommodating space 4 and is in threaded connection with the threaded hole of the first metal joint 23.

Wherein, first accommodation space 4 can be formed by a hollow cube structure, for example, can make hollow and confined first accommodation space 4 through the welded mode, place first bolt 5's nut in first accommodation space 4 before the preparation is accomplished, and wear to locate first accommodation space 4's lateral wall with first bolt 5's threaded rod. The first accommodating space 4 and the first bolt 5 are embedded into the through hole 15 of the third connecting part 18 when the relying part 1 is manufactured by adopting a carbon fiber RTM process. From this, through this kind of structure, can let carbon fiber handrail 2 and rely on and be connected more reliably between the portion 1, avoid appearing not hard up condition between carbon fiber handrail 2 and the portion 1 of relying on.

As shown in fig. 1, in this embodiment, a hollow and closed second accommodating space 6 is provided at one side of the second connecting portion 17 facing the seat connecting portion 3, the shape and manufacturing manner of the second accommodating space 6 are the same as those of the first accommodating space 4, and details are not repeated here, the wind screen for rail vehicles further includes a second bolt 7 and a nut, the second bolt 7 penetrates through the second accommodating space 6 and the side wall of the seat connecting portion 3, and is in threaded connection with the nut at one side of the seat connecting portion 3 away from the relying portion 1, so that the relying portion 1 can be firmly fixed with the seat connecting portion 3.

As shown in fig. 1 and 3, the carbon fiber armrest 2 includes a second metal joint 21 and an armrest main body 22 made of carbon fiber, the second metal joint 21 is fixedly disposed at one end of the armrest main body 22 away from the resting portion 1, wherein the second metal joint 21 is fixedly disposed in the upper end of the carbon fiber armrest 2, the second metal joint 21 is fixed to the seat connecting portion 3 by a third bolt 8, and accordingly, the second metal joint 21 is provided with a threaded hole, so that the threaded connection can be achieved by the third bolt 8 and the threaded hole.

According to a second aspect of the present application, a rail vehicle is provided, the rail vehicle comprising at least two of the above-described wind screens for a rail vehicle and a car seat, the seat connecting portions 3 extending in the up-down direction, the car seat extending in the horizontal direction and being disposed between the two seat connecting portions 3.

In the present application, the rail vehicle may be a subway, or may be a light rail, a tram, a maglev train, or the like.

The preferred embodiments of the present application have been described in detail with reference to the accompanying drawings, however, the present application is not limited to the details of the above embodiments, and various simple modifications can be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications are all within the protection scope of the present application. It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described in the present application.

In addition, any combination of the various embodiments of the present application is also possible, and the same shall be considered as what is applied to the present application as long as it does not depart from the idea of the present application.

Claims

1. The utility model provides a wind screen for rail vehicle, its characterized in that, includes wind screen main part and carbon fiber handrail, wind screen main part includes interconnect's seat connecting portion and the dependence portion that at least part was made by carbon fiber material, the one end of carbon fiber handrail with dependence portion is kept away from the one end of seat connecting portion is connected, the other end of carbon fiber handrail connect in seat connecting portion are kept away from the one end of dependence portion, seat connecting portion the dependence portion with the carbon fiber handrail is located same vertical plane.

2. The wind screen for railway vehicles according to claim 1, wherein the leaning portion has a U-shaped structure and comprises a first connecting portion, a second connecting portion and a third connecting portion which are sequentially connected, the second connecting portion is connected to the seat connecting portion and is parallel to the seat connecting portion, the first connecting portion and the third connecting portion are oppositely arranged, and the carbon fiber armrest is connected to one end, away from the seat connecting portion, of the first connecting portion and the third connecting portion respectively.

3. The wind screen for a railway vehicle according to claim 2, wherein the depending portion includes a first skin, a foam core, and a second skin, the first skin and the second skin being made of a carbon fiber material, the foam core being disposed between the first skin and the second skin, the first skin, the foam core, and the second skin each having a U-shaped configuration.

4. The wind screen of claim 3, wherein a skeletal structure is disposed within the foam core, the skeletal structure being disposed at least within the foam core corresponding to the second and third connecting portions.

5. The wind shield for a railway vehicle according to claim 2, wherein the first connecting portion and the third connecting portion are provided with through holes at ends thereof far away from the seat connecting portion, and the carbon fiber armrests are respectively inserted through the through holes of the first connecting portion and the third connecting portion.

6. The wind screen for railway vehicles according to claim 5, wherein a first metal joint is arranged in one end of the carbon fiber handrail connected with the third connecting portion, a hollow and closed first accommodating space is arranged in the through hole of the third connecting portion, and the wind screen for railway vehicles further comprises a first bolt which penetrates through the first accommodating space and is in threaded connection with the first metal joint.

7. The wind screen for railway vehicles according to claim 2, wherein a hollow and closed second receiving space is provided on a side of the second connecting portion facing the seat connecting portion, and further comprising a second bolt and a nut, the second bolt penetrating the second receiving space and a side wall of the seat connecting portion and being threadedly connected to the nut on a side of the seat connecting portion remote from the resting portion.

8. The wind screen for a railway vehicle according to claim 1, wherein the carbon fiber armrest comprises an armrest body made of carbon fiber and a second metal joint, the second metal joint is fixedly arranged at one end of the armrest body far away from the leaning part, and the second metal joint and the seat connecting part are fixed through a third bolt.

9. A rail vehicle, characterized by comprising at least two wind screens for a rail vehicle according to any one of claims 1 to 8 and a car seat, said seat attachment portions extending in the up-down direction, said car seat extending in the horizontal direction and being disposed between two of said seat attachment portions.