CN112744240A

CN112744240A - Apron board subassembly and rail vehicle for rail vehicle

Info

Publication number: CN112744240A
Application number: CN201911055653.9A
Authority: CN
Inventors: 潘璐; 王力; 宫高霞; 耿兴春; 李进伏; 程春欣; 潘乐; 侯丽娴
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2021-05-04

Abstract

The invention provides a skirtboard assembly for a rail vehicle and the rail vehicle, and belongs to the technical field of rail vehicles. The apron board assembly for the rail vehicle comprises an apron board main body and a flexible part, wherein the flexible part is arranged on the apron board main body or a vehicle body and is used for shielding a gap between the apron board main body and the vehicle body when the apron board main body is installed on the vehicle body; still including setting up in the connecting piece at the edge of skirtboard main part, be provided with the installation department that is used for installing the flexible piece on the connecting piece. The railway vehicle comprises a vehicle body, a bogie positioned below the vehicle body and a skirtboard component for the railway vehicle, wherein the bogie is connected with the vehicle body through an air spring; the apron board main body is connected with the bogie through a bracket, and the outer edge of the flexible part is connected with or abutted against the vehicle body. The apron board assembly for the railway vehicle and the railway vehicle realize shielding of a gap between the apron board main body and a vehicle body, and improve the dust resistance, the noise isolation and the attractiveness of the railway vehicle.

Description

Apron board subassembly and rail vehicle for rail vehicle

Technical Field

The invention belongs to the technical field of railway vehicles, and particularly relates to a skirtboard assembly for a railway vehicle and the railway vehicle.

Background

The distance between the floor and the rail surface of the 100 percent low-floor tramcar is only 35 cm, a platform is not needed, the maximum transportation capacity is 6 to 8 times of that of a bus, and the low-floor tramcar is one of the most advanced urban traffic systems in the world at present. However, due to the structural characteristics of the underframe of the body of the 100% low-floor tramcar and the limitation of the installation type of equipment under the tramcar, the skirt plate of the bogie can only be installed on the framework of the bogie, and the skirt plate plays a role in beautifying and protecting the area of the bogie to a certain extent. The bogie apron board of the domestic existing 100% low-floor tram is generally installed on a bogie frame through an apron board bracket. In order to ensure that the bogie apron plate does not collide with equipment under the bogie when the railway vehicle turns and ensure that the bogie apron plate does not interfere with the vehicle body when the air pressure of the bogie air spring is insufficient, a certain gap is generally reserved between the bogie apron plate and the vehicle body.

In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art: 1. a certain gap exists between the bogie apron plate and the car body, so that the apron plate cannot completely block dust and foreign matters outside the car body, and the dust resistance is poor; 2. the apron board of the bogie cannot completely shield the area of the bogie, so that the noise insulation performance is poor; 3. a gap exists between the bogie apron board and the car body, and the attractiveness is affected.

Disclosure of Invention

The invention aims to provide a skirtboard component for a railway vehicle and the railway vehicle, and aims to solve the technical problems of poor dust resistance, poor noise isolation and poor aesthetics caused by a certain gap between the skirtboard and a vehicle body after the skirtboard is installed on the vehicle body at present.

In one aspect, there is provided a skirt assembly for a rail vehicle, comprising: a skirt board main body; and

and the flexible piece is arranged on the apron board main body or the vehicle body and is used for shielding a gap between the apron board main body and the vehicle body when the apron board main body is installed on the vehicle body.

As another embodiment of the present application, the method further includes:

the connecting piece is arranged at the edge of the apron board main body; the connecting piece is provided with an installation part for installing the flexible piece.

As another embodiment of the present application, the connecting member is bonded or detachably connected to the apron body.

As another embodiment of the present application, the mounting portion includes a receiving groove having an opening facing outward for receiving the flexible member.

As another embodiment of the present application, the flexible member and the receiving groove are fastened by a screw.

As another embodiment of the present application, the connecting member is integrally formed with the mounting portion.

As another embodiment of the present application, the flexible member includes an elastic member provided on an edge of the apron body, and an outer edge of the elastic member is connected to or abutted against the vehicle body.

As another embodiment of the present application, the elastic member includes a plurality of elastic strips that are sequentially overlapped seamlessly.

As another embodiment of the present application, the flexible member includes a brush provided on an edge of the apron body, and an outer edge of the brush abuts against the vehicle body.

One of the above technical solutions has the following beneficial effects: compared with the prior art, the flexible part capable of being installed on the apron board main body or the vehicle body is additionally arranged, so that when the apron board main body is installed on the vehicle body, the flexible part can shield a gap between the apron board main body and the vehicle body, thereby effectively preventing dust and foreign matters in an external environment from entering a cavity between the vehicle body and a track, and improving the dust resistance of the railway vehicle; the bogie area is effectively shielded, and the noise isolation of the railway vehicle is improved; smooth transition between the skirt board and the vehicle body is realized, and the attractiveness of the railway vehicle is improved.

In addition, the flexible part can deform correspondingly along with the sinking or turning of the vehicle body, and the apron board main body cannot be damaged.

In summary, the skirt board assembly provided by the embodiment can meet the safety requirements of the railway vehicle during turning and air spring failure, and improves the dust resistance, the noise resistance and the aesthetic property of the skirt board assembly during use.

In another aspect, a rail vehicle is provided, including:

a vehicle body;

the bogie is positioned below the vehicle body and is connected with the vehicle body through an air spring; and

the apron board assembly for the rail vehicle is characterized in that the apron board main body is connected with the bogie through a support, and the outer edge of the flexible part is connected with or abutted against the vehicle body.

One of the above technical solutions has the following beneficial effects: compared with the prior art, the apron board assembly for the railway vehicle has the technical effects basically the same as the apron board assembly for the railway vehicle, and the details are not repeated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions 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 schematic front view of a connection relationship between a skirt panel assembly and a vehicle body for a railway vehicle according to an embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 2;

fig. 4 is a schematic structural diagram of a connection relationship between a skirt assembly and a vehicle body for a railway vehicle when a gas leaks from an air spring according to an embodiment of the present invention.

In the figure: 100. a skirt board main body; 200. a flexible member; 300. a vehicle body; 400. a connecting member; 500. an installation part; 600. a support; 700. a bogie.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4 together, an apron assembly for a railway vehicle according to an embodiment of the present invention will now be described. The apron assembly for a railway vehicle includes an apron body 100 and a flexible material 200 provided on the apron body 100 or a vehicle body 300. The flexible material 200 is used to block a gap between the apron body 100 and the vehicle body 300 when the apron body 100 is attached to the vehicle body 300.

The gap between the apron body 100 and the vehicle body 300 is defined as a gap between the upper portion and both sides of the apron body 100 and the vehicle body 300.

For convenience of description, the following description will in part refer to "apron assembly for rail vehicles" simply as "apron assembly".

The railway vehicle generally includes a vehicle body 300, a bogie 700 located below the vehicle body 300, and an air spring connecting the vehicle body 300 and the bogie 700. When in use, the flexible member 200 is mounted on the edge of the apron body 100 or the vehicle body 300, and then the apron body 100 is connected to the bogie 700 through the bracket 600, so that the flexible member 200 shields the gap between the apron body 100 and the vehicle body 300.

When the air spring has a gas leakage fault, the position of the bogie 700 in the height direction cannot be changed because the bogie 700 is positioned below the air spring, so that the height of the apron board main body 100 from the ground is not changed well, the vehicle body 300 is positioned above the air spring, and when the air spring leaks gas, the vehicle body 300 sinks, so that the flexible part 200 positioned on the upper side of the apron board is extruded downwards, and the flexible part 200 deforms accordingly, so that the apron board main body 100 cannot be damaged.

In principle, when the rail vehicle turns, the flexible parts 200 on both sides of the skirt board will also contact with the equipment under the vehicle to deform, and will not damage the skirt board main body 100.

Compared with the prior art, the apron board assembly for the rail vehicle is additionally provided with the flexible part 200 which can be arranged on the apron board main body 100 or the vehicle body 300, so that when the apron board main body 100 is arranged on the vehicle body 300, the flexible part 200 can shield a gap between the apron board main body 100 and the vehicle body 300, thereby effectively preventing dust and foreign matters in an external environment from entering a cavity between the vehicle body 300 and a rail, and improving the dust resistance of the rail vehicle; the area of the bogie 700 is effectively shielded, and the noise isolation of the railway vehicle is improved; smooth transition between the skirt board and the car body 300 is realized, and the aesthetic property of the rail car is improved.

In addition, the flexible member 200 can be deformed correspondingly with the sinking or turning of the vehicle body 300 without damaging the apron body 100.

Specifically, the apron body 100 may be an existing apron on the market, such as a glass fiber reinforced plastic apron.

Referring to fig. 2 to 4, as an embodiment of the skirt assembly for a railway vehicle provided by the present invention, the skirt assembly for a railway vehicle further includes a connecting member 400 disposed at an edge of the skirt body 100. The connector 400 is provided with a mounting portion 500 for mounting the flexible member 200.

Because the flexible piece 200 will shelter from the gap between the apron board upside and both sides and the automobile body 300, the apron board upside and both sides all need to be provided with the flexible piece 200, the required flexible piece 200 is longer, directly install the flexible piece 200 on the apron board main body 100, operating personnel need adjust the inclination angle of the flexible piece 200 and the position on the apron board main body 100 at the moment of bonding to ensure that the purpose of sheltering from the gap between the apron board main body 100 and the automobile body 300 can be realized after the flexible piece 200 is bonded on the apron board main body 100. This tends to result in the pliable component 200 being installed for an extended period of time and subject to rework.

In order to reduce the above risks, in this embodiment, the connecting member 400 for connecting with the flexible member 200 is additionally arranged on the edge of the skirt board main body 100, and the installation part 500 for installing the flexible member 200 is additionally arranged on the outer side of the connecting member 400, so that when the skirt board assembly for a railway vehicle is assembled, an operator does not need to manually measure and adjust the installation position of the flexible member 200, after the skirt board assembly is installed on the installation part 500, the skirt board main body 100 and the vehicle body 300 can be shielded by the flexible member 200, thereby greatly reducing the assembly difficulty of the skirt board assembly, and improving the assembly efficiency.

Specifically, the connecting member 400 is fixedly disposed on the inner surface of the apron board body 100 and located at the edge of the apron board body 100, so that after the flexible member 200 is mounted on the mounting portion 500, the body of the flexible member 200 can extend to a position between the apron board body 100 and the vehicle body 300 to block a gap between the apron board body 100 and the vehicle body 300, and thus the design effectively reduces the overlapping rate between the flexible member 200 and the apron board body 100, and further improves the utilization rate of the flexible member 200.

One end of the flexible material 200 is connected to the apron body 100 by a connector 400, and the other end is abutted against or connected to the vehicle body 300. This allows the installation of the flexible member 200 without damaging the surface of the vehicle body 300, and facilitates the user to attach the flexible member 200 to the existing apron body 100 as desired.

As an embodiment of the apron assembly for a railway vehicle according to the present invention, the connecting member 400 is bonded or detachably connected to the apron body 100.

The connecting member 400 is bonded to the apron body 100, thereby ensuring the stability of the connection relationship between the two. The connecting member 400 is detachably connected to the apron body 100, so that the apron body 100 or the connecting member 400 can be conveniently and independently replaced after being damaged.

Specifically, the connecting member 400 is disposed on the inner surface of the apron body 100, and the detachable connection manner of the connecting member 400 and the apron body 100 may be a bolt connection, an insertion connection, or the like.

Referring to fig. 2 to 4, as an embodiment of the skirt assembly for a railway vehicle according to the present invention, the mounting portion 500 includes a receiving groove having an outward opening for receiving the flexible element 200.

The flexible piece 200 has been realized the grafting with installation department 500 in the setting of holding tank, has further improved the convenience that flexible piece 200 and skirtboard main part 100 are connected. In addition, the accommodating groove has a certain depth, and after the flexible piece 200 is inserted into the accommodating groove, the part of the flexible piece 200 outside the accommodating groove can extend along the opening direction of the accommodating groove, so that the flexible piece 200 can extend along the preset direction after being installed on the installation part 500, and the skirt board assembly is ensured to be installed on the vehicle body 300, and the shielding effect on the gap between the skirt board main body 100 and the vehicle body 300 is good.

Since the skirt panel assembly belongs to an under-vehicle suspension part, the external environment is severe, and the flexible member 200 frequently contacts with the vehicle body 300 during the driving of the vehicle, which easily causes the flexible member 200 to fall off. In order to further improve the stability of the connection relationship between the flexible member 200 and the mounting part 500, the flexible member 200 can be adhered to the inner wall of the receiving groove after the flexible member 200 is inserted into the receiving groove.

Specifically, the holding tank is the C type, and opening both sides interval is less than and holds intracavity inside width, and the user of being convenient for coats the glue solution on holding intracavity wall to be convenient for the flexible piece 200 with hold the bonding of intracavity wall.

Further, the connection member 400 may be fastened to the mounting portion 500 by a screw.

Referring to fig. 2 to 4, as an embodiment of the skirt panel assembly for a rail vehicle according to the present invention, the connecting member 400 and the mounting portion 500 are integrally formed, so that stability of a connection relationship between the connecting member 400 and the mounting portion 500 is effectively improved, and a long service life of the connecting member 400 and the mounting portion 500 is ensured.

Specifically, the connecting member 400 includes a first connecting portion connected to the apron body 100, and a second connecting portion connecting the first connecting portion and the mounting portion 500, the second connecting portion being vertically connected to the first connecting portion and the mounting portion 500, respectively, so that the longitudinal section of the member composed of the connecting member 400 and the mounting portion 500 is Z-shaped.

The connecting member 400 and the mounting portion 500 are formed in a U-shape or a C-shape as a whole, and an opening is formed downward and attached to an inner surface edge of the apron body 100.

As one embodiment of the apron assembly for a railway vehicle according to the present invention, the flexible member 200 includes an elastic member provided on an edge of the apron body 100, and an outer edge of the elastic member is connected to or abutted against the vehicle body 300.

Because the skirtboard subassembly belongs to the car hanger, and the external environment is abominable, and vehicle driving in-process flexible piece 200 can frequently contact with automobile body 300, and then is extrudeed repeatedly, and flexible piece 200 adopts the elastic component, and the flexible piece 200 of being convenient for is automatic reconversion after being extruded to effectively reduced flexible piece 200 and received the harmful effects of external environment to the effect of sheltering from in the gap between skirtboard main part 100 and the automobile body 300.

In particular, the elastic body may be a rubber sheet, a rubber strip or other objects having elasticity to perform the above-mentioned functions. As shown in fig. 1, the elastic members are distributed on the upper side and both sides of the apron body 100 to block gaps between the upper side and both sides of the apron body 100 and the vehicle body 300.

As an embodiment of the apron assembly for a railway vehicle provided by the invention, the elastic member comprises a plurality of elastic strips which are sequentially overlapped in a seamless manner.

The elastic component is by a plurality of seamless lapped elasticity strips in proper order for when the elastic component part received the extrusion, only received the elasticity strip of extrusion position take place corresponding deformation can, can not influence the elasticity strip of other parts, and reduced in the use the elastic component receive that multi-direction is dragged and take place to break and influence the phenomenon emergence of sheltering from the effect.

Referring to fig. 1 to 4, as an embodiment of the apron assembly for a railway vehicle provided by the present invention, the flexible member 200 includes a brush disposed on an edge of the apron body 100 in a U shape, and an outer edge of the brush abuts against the vehicle body 300.

The brush is adopted by the flexible part 200, so that the weight of the flexible part 200 is lower, the diameter of each single brush hair is smaller than that of the elastic strip, corresponding deformation can be rapidly and timely carried out when the flexible part 200 receives local and small extrusion force, and the restoring speed is higher, so that the flexible part is more suitable for being used by rail vehicles relative to the elastomer made of rubber. In addition, large-volume gaps exist among the bristles of the brush, and multi-direction and multi-angle interception of external dust can be realized.

As shown in fig. 1, brushes are distributed on the upper side and both sides of the apron board body 100 to block gaps between the upper side and both sides of the apron board body 100 and the vehicle body 300.

The embodiment of the invention also provides the railway vehicle. Referring to fig. 1 to 4, the railway vehicle includes a vehicle body 300, a bogie 700, and a skirt assembly for the railway vehicle. The bogie 700 is located below the vehicle body 300 and is connected to the vehicle body 300 by an air spring. The apron body 100 is connected to the bogie 700 via the bracket 600, and the outer edge of the flexible member 200 is connected to or abutted against the vehicle body 300.

According to the railway vehicle provided by the embodiment of the invention, the apron board assembly for the railway vehicle is adopted, and the flexible part 200 capable of being arranged on the apron board main body 100 or the vehicle body 300 is additionally arranged, so that when the apron board main body 100 is arranged on the vehicle body 300, the flexible part 200 can shield a gap between the apron board main body 100 and the vehicle body 300, thereby effectively preventing dust and foreign matters in an external environment from entering a cavity between the vehicle body 300 and a track, and improving the dust resistance of the railway vehicle; the area of the bogie 700 is effectively shielded, and the noise isolation of the railway vehicle is improved; smooth transition between the skirt board and the car body 300 is realized, and the aesthetic property of the rail car is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A skirt panel assembly for a rail vehicle, comprising:

a skirt board main body; and

2. The skirt assembly for a rail vehicle according to claim 1, further comprising:

3. The skirt assembly for a railway vehicle according to claim 2, wherein: the connecting piece is bonded or detachably connected with the apron board main body.

4. The skirt assembly for a railway vehicle according to claim 2, wherein: the mounting portion includes an accommodating groove having an outward opening for accommodating the flexible member.

5. The skirt assembly for a railway vehicle according to claim 4, wherein: the flexible piece and the accommodating groove are fastened through screws.

6. The skirt assembly for a railway vehicle according to claim 4, wherein: the connecting piece with installation department integrated into one piece.

7. An apron assembly for a railway vehicle as claimed in any one of claims 1 to 6, wherein: the flexible part comprises an elastic part arranged on the edge of the apron board main body, and the outer edge of the elastic part is connected with or abutted against the vehicle body.

8. The skirt assembly for a railway vehicle according to claim 7, wherein: the elastic piece comprises a plurality of elastic strips which are in seamless lap joint in sequence.

9. An apron assembly for a railway vehicle as claimed in any one of claims 1 to 6, wherein: the flexible part comprises a hairbrush arranged on the edge of the apron board main body, and the outer edge of the hairbrush is abutted to the vehicle body.

10. Rail vehicle, its characterized in that includes:

a vehicle body;

the apron assembly for a railway vehicle as claimed in any one of claims 1 to 9, wherein the apron body is connected to the bogie via a bracket, and an outer edge of the flexible member is connected to or abutted against the vehicle body.