CN108501968B - Railway vehicle and end wall thereof - Google Patents
Railway vehicle and end wall thereof Download PDFInfo
- Publication number
- CN108501968B CN108501968B CN201810564661.5A CN201810564661A CN108501968B CN 108501968 B CN108501968 B CN 108501968B CN 201810564661 A CN201810564661 A CN 201810564661A CN 108501968 B CN108501968 B CN 108501968B
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- end wall
- outer frame
- headwall
- main body
- vehicle
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- 238000007789 sealing Methods 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/06—End walls
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a railway vehicle and an end wall thereof, wherein the end wall comprises an outer frame and an end wall main body, the outer frame is fixedly connected with a vehicle body of the railway vehicle, and the end wall main body is detachably connected with the outer frame through a fastening component; the end wall main body is a honeycomb plate, and the honeycomb plate comprises two panels, a honeycomb structure arranged between the two panels and edge sealing sectional materials for sealing the peripheral parts of the two panels. The end wall is of a split type design of an outer frame and an end wall main body, is convenient for installation and transportation of large modules in a vehicle, and meanwhile, the main body structure of the end wall adopts an aluminum honeycomb panel structure, so that the design requirement of light weight of the vehicle body can be met.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a railway vehicle and an end wall thereof.
Background
The body of a railway vehicle generally consists of a bottom frame, side walls, a top plate and end walls, wherein the end walls are positioned at the end parts of the body, and a door-shaped space is formed in the middle of the end walls for passengers to pass through. The headwall also serves as a connecting inner and outer windshields.
At present, most of the end walls of the railway vehicle are of an integrated structure, after the car body is spliced and welded well, large modules in the car such as a toilet and a power distribution cabinet are required to be integrally transported and installed, and large access spaces cannot be reserved for the end walls of the integrated structure so as to be used for installing and transporting the large modules in the car. In addition, the end wall structure is heavy, and the requirement of light weight of the car body cannot be met.
In view of this, how to improve the existing headwall structure, make it convenient for installation and transportation of the large-scale module in the car, can satisfy the design requirement of automobile body lightweight simultaneously, be the technical problem that the person skilled in the art needs to solve at present.
Disclosure of Invention
The invention aims to provide a railway vehicle and an end wall thereof, wherein the end wall is of a split design of an outer frame and an end wall main body, so that installation and transportation of large modules in the vehicle are facilitated, and meanwhile, the main body structure of the railway vehicle adopts an aluminum honeycomb plate structure, so that the design requirement of light weight of a vehicle body can be met.
In order to solve the technical problems, the invention provides an end wall of a railway vehicle, which comprises an outer frame and an end wall main body, wherein the outer frame is used for being fixedly connected with a vehicle body of the railway vehicle, and the end wall main body is detachably connected with the outer frame through a fastening component; the end wall main body is a honeycomb plate, and the honeycomb plate comprises two panels, a honeycomb structure arranged between the two panels and edge sealing sectional materials for sealing the peripheral parts of the two panels.
The end wall is of a split type structure, the outer frame is used for being connected with a vehicle body, and the end wall main body is detachably connected with the outer frame, so that when the vehicle body is spliced and welded, a large module in a carriage, such as a toilet module or an electric cabinet module, is required to be installed, the end wall main body is only required to be separated from the outer frame through the disassembly and fastening part, and after the installation is completed, the end wall main body is fixed to the outer frame through the fastening part; the structure is convenient to assemble and disassemble, and is beneficial to the installation and the transportation of large modules in the vehicle; meanwhile, the end wall main body is a honeycomb plate, and the weight of the end wall can be greatly reduced through the honeycomb structure in the end wall main body, so that the design requirement of light weight of a vehicle body is met.
The end wall as described above, the fastening component is in particular a bolt assembly; the bolt assembly comprises a T-shaped nut and a bolt, the T-shaped nut is fixed on the outer frame, the outer frame and the end wall main body are respectively provided with a mounting hole which is communicated with a threaded hole of the T-shaped nut, and the bolt sequentially penetrates through the end wall main body and the mounting hole of the outer frame to be in threaded connection with the T-shaped nut.
As described above, the T-nuts are fixed to the outer frame by screws.
As for the end wall, a gasket is further arranged between the bolt and the end wall main body.
As described above, the headwall, the one side of the outer frame is formed with the first support beam extending in the longitudinal direction of the vehicle body, the first support beam and the outer frame form the installation space of the outer windshield, and the first support beam has the installation interface connected with the outer windshield.
As described above, the end wall is formed with the second support beam extending in the longitudinal direction of the vehicle body on the other side of the outer frame, the second support beam being for connection with the vehicle body.
As described above, the side of the outer frame adjacent to the second support beam is further provided with an extension beam 113 extending into the vehicle and perpendicular to the second support beam.
As for the headwall, the headwall main body is also provided with a mounting seat interface for fixing the steel wire rope of the outer windshield.
As described above, the edge sealing section bar of the end wall body is embedded with the rivet nut to form the connecting interface of the inner windshield.
As described above, the end wall body is further provided with an external hanger connection interface.
The end wall is characterized in that a section bar component is embedded in the end wall main body, a steel plate is arranged in the section bar component, the steel plate is provided with a threaded hole in threaded connection with a bolt, and the section bar component is provided with a through hole communicated with the threaded hole; the threaded bore forms the external hanger connection interface.
As described above, the surface of the steel sheet is coated with zinc chromate primer.
The end wall as described above, the honeycomb panel is specifically an aluminum honeycomb panel.
As described above, the middle part of the main body of the end wall is also fixedly provided with a door frame.
As described above, the door frame is fixedly connected with the end wall body through rivets.
The invention also provides a railway vehicle, which comprises a vehicle body and an end wall positioned at the end part of the vehicle body, wherein the end wall is any one of the end walls, and the outer frame is fixedly connected with the vehicle body.
Since the headwall has the technical effects described above, a railway vehicle including the headwall also has the same technical effects and a discussion thereof will not be repeated here.
Drawings
FIG. 1 is a partial elevation view of one embodiment of an end wall according to the present invention;
FIG. 2 is a schematic cross-sectional view taken along the direction A-A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the area I of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along the direction B-B in FIG. 1;
FIG. 5 is a schematic view showing a connection structure between an outer frame of the headwall of FIG. 1 and a headwall body;
FIG. 6 is a schematic view of the structure of the end wall of FIG. 1 at the connection interface of the external hanger.
Wherein, the one-to-one correspondence between component names and reference numerals in fig. 1 to 6 is as follows:
an outer frame 11, a first support beam 111, a second support beam 112, an extension beam 113;
end wall body 12, panel 121, honeycomb structure 122, banding profile 123;
bolt assembly 13, t-nut 131, bolt 132, screw 133, washer 134;
a mounting seat interface 14, a rivet nut 15;
an external hanger connection interface 16, a profile member 161, a steel plate 162, a hanger bolt 163, and a hanger 164;
door frame 17, rivet 171;
an outer windshield 18, an inner windshield 19, a roof 20, and side walls 21.
Detailed Description
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
For ease of understanding and simplicity of description, the following description is provided in conjunction with a rail vehicle and its headwall, and the discussion of the advantageous portions will not be repeated.
The body of a rail vehicle typically includes a chassis, side walls, a roof, and end walls, with the end walls being located at the ends of the body; it will be appreciated that the headwall needs to be connected to the roof, side walls and curved transitions between the roof and side walls of the vehicle body.
The structural improvement of the headwall of the rail vehicle is emphasized herein, and the headwall structure is described in detail below.
Referring to fig. 1 to 6, fig. 1 is a partial front view of an embodiment of an end wall according to the present invention; FIG. 2 is a schematic cross-sectional view taken along the direction A-A in FIG. 1; FIG. 3 is an enlarged view of a portion of the area I of FIG. 2; FIG. 4 is a schematic cross-sectional view taken along the direction B-B in FIG. 1; FIG. 5 is a schematic view showing a connection structure between an outer frame of the headwall of FIG. 1 and a headwall body; FIG. 6 is a schematic view of the structure of the end wall of FIG. 1 at the connection interface of the external hanger.
In this embodiment, the end wall includes an outer frame 11 and an end wall main body 12, wherein the outer frame 11 is used for connecting with a vehicle body, and it can be understood that the outer frame 11 is connected with a roof 20 or a side wall 21 of the vehicle body according to different positions; the headwall body 12 is detachably connected to the outer frame 11 by fastening members.
The headwall body 12 is a honeycomb board, and the honeycomb board specifically includes two panels 121, a honeycomb structure 122 disposed between the two panels 121, and an edge sealing section 123 for sealing the outer peripheral portions of the two panels 121.
Specifically, the edge sealing formation 123 and the panel 121 can be fixed in a welding manner, so that the safety and reliability are realized; more specifically, friction stir welding may be selected to reduce heat input and prevent deformation of headwall body 12.
As described above, the end wall provided in this embodiment is configured as a split structure, the outer frame 11 is used for connection with the vehicle body, and the end wall main body 12 is detachably connected with the outer frame 11, so that when the vehicle body is splice welded, a large module inside the cabin, such as a toilet module or an electric cabinet module, is required to be installed, the end wall main body 12 is only required to be separated from the outer frame 11 by detaching the fastening member, and after the installation is completed, the end wall main body 12 is fixed to the outer frame 11 by the fastening member; the structure is convenient to assemble and disassemble, and is beneficial to the installation and the transportation of large modules in the vehicle; meanwhile, the end wall main body 12 is a honeycomb plate, and the honeycomb structure 122 in the end wall main body can greatly lighten the weight of the end wall so as to meet the design requirement of light weight of a vehicle body.
After the end wall is assembled with the vehicle body, the outer frame 11 can be used as a part of the end wall, also can be used as a part of a roof beam and a corner post, and can be used as a bearing part of the vehicle body to enhance the strength and the rigidity of the vehicle body.
In a specific scheme, the honeycomb plate can be an aluminum honeycomb plate so as to further improve the light weight level.
In a specific scheme, a fastening part between the outer frame 11 and the end wall main body 12 is a bolt assembly 13; as shown in fig. 5, the bolt assembly 13 includes a T-nut 131 and a bolt 132, wherein the T-nut 131 is fixed on the outer frame 11, the outer frame 11 and the end wall body 12 each have a mounting hole penetrating through a threaded hole of the T-nut 131, and the bolt 132 sequentially passes through the mounting hole of the end wall body 12, the mounting hole of the outer frame 11 and the T-nut 131 to be screwed, thereby fixing the end wall body 12 and the outer frame 11 together.
It can be understood that the T-shaped nut 131 is fixed to the outer frame 11 in advance, when the end wall main body 12 is detached, the T-shaped nut 131 is not required to be detached, the bolt 132 is only required to be detached, and when the end wall main body is installed, the end wall main body is only required to be screwed into the bolt 132 at a corresponding position.
Wherein the T-nut 131 may be fixed to the outer frame 11 by screws 133.
More specifically, a washer 134 may be provided between the head of the bolt 132 and the headwall body 12 to increase the tightening force of the bolt 132 and prevent the bolt 132 from loosening.
In a specific embodiment, a first support beam 111 extending in the longitudinal direction of the vehicle body is formed at one side of the outer frame 11, the first support beam 111 and the outer frame 11 form a mounting space for the outer windshield 18, and as shown in fig. 2 to 4, the first support beam 111 has a mounting interface, the outer windshield 18 may overlap the first support beam 111, and the outer windshield 18 is connected to the first support beam 111 by a fastener (e.g., a bolt, etc.).
More specifically, a mount interface 14 is also provided on the headwall body 12 for securing the wire rope of the outer windscreen 18.
On the basis of this, the other side of the outer frame 11 is also formed with a second support beam 112 extending in the longitudinal direction of the vehicle body, the second support beam 112 being for connection with the vehicle body.
As shown in fig. 2 and 3, at the top position of the outer frame 11, the second support beam 112 of the outer frame 11 is used for connecting with the roof 20 of the vehicle body, a right angle structure of overlapping the roof 20 is formed between the second support beam 112 and the outer frame 11, after the roof 20 is overlapped with the second support beam 112, the two support beams can be fixedly connected by rivets, and the roof 20 and the outer side of the outer frame 11 can be fixed by welding or the like.
It will be appreciated that the distance of the second support beam 112 from the top end of the outer frame 11 should be comparable to the thickness of the roof 20.
As shown in fig. 4, at the side position of the outer frame 11, a second support beam 112 of the outer frame 11 is used for connecting the side wall 21 of the vehicle body, a right angle structure where the side wall 21 is overlapped is formed between the second support beam 112 and the outer frame 11, and the second support beam 112 and the outer frame can be fixedly connected by rivets.
It will also be appreciated that the distance of the second support beam 112 from the top end of the outer frame 11 should be comparable to the thickness of the side walls 21.
Further, an extension beam 113 extending toward the inside of the vehicle and perpendicular to the second support beam 112 is further provided on the outer frame 11 near the second support beam 112, as shown in fig. 3 and 4; in a specific application, the distance between the second support beam 112 and the top end of the outer frame 11 is not necessarily equal to the thickness of the connected vehicle body part due to different vehicle types or production, at this time, the second support beam 112 formed by machining in advance may be milled away, and the extension beam 113 is bent at a proper position to form a structure connected with the vehicle body, and it is understood that at this time, the bent extension beam 113 corresponds to the second support beam 112.
In a specific embodiment, the edge sealing section 123 of the headwall body 12 is further embedded with a rivet nut 15 to form a connection interface of the inner windshield 19, as shown in fig. 1 and 2.
In particular embodiments, the headwall body 12 is also provided with an external hanger connection interface 16. In application, other structural members are installed on the end wall main body 12 according to actual needs, and because the end wall main body 12 is of a honeycomb plate structure and is not suitable for being directly used as a bearing member, an external hanging member connecting interface 16 is arranged on the end wall main body 12 so as to meet the requirements of installing external hanging members (such as an external end door and the like).
As shown in fig. 6, specifically, a profile member 161 is embedded in the headwall main body 12, a steel plate 162 is provided in the profile member 161, the steel plate 162 has a screw hole screwed with the hanging bolt 163, and the profile member 161 has a through hole penetrating the screw hole; the threaded bore forms an external hanger connection interface 16.
It will be appreciated that the external hanger 164 may be secured to the steel plate 162 embedded within the headwall body 12 by hanger bolts 163.
The profile member 161 and the end wall body 12 may be fixed by welding, and particularly friction stir welding may be selected to reduce the amount of heat input.
Wherein, the section member 161 can be an aluminum section.
More specifically, a zinc chromate primer is coated on the surface of the steel plate 162 to prevent corrosion between different metals from occurring between the profile member 161 and the steel plate 162.
The middle part of the end wall main body 12 is also provided with a door structure for people to pass through, and a door frame 17 is fixedly arranged in the middle part of the end wall main body 12 and used for installing a door. Specifically, the door frame 17 may be fixedly coupled to the headwall body 12 by rivets 171.
The invention provides a railway vehicle and end walls thereof. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (13)
1. The end wall of the railway vehicle is characterized by comprising an outer frame (11) and an end wall main body (12), wherein the outer frame (11) is fixedly connected with a vehicle body of the railway vehicle, and the end wall main body (12) is detachably connected with the outer frame (11) through a fastening component; the end wall main body (12) is a honeycomb plate, and the honeycomb plate comprises two panels (121), a honeycomb structure (122) arranged between the two panels (121) and edge sealing sections (123) for sealing the peripheral parts of the two panels (121);
the outer frame (11) is of a beam structure with a substantially square cavity, a first supporting beam (111) extending along the longitudinal direction of the vehicle body is formed on one side of the outer frame (11), a second supporting beam (112) extending along the longitudinal direction of the vehicle body is formed on the other side of the outer frame, the first supporting beam (111) is used for being connected with an outer windshield (18), and the second supporting beam (112) is used for being connected with the vehicle body;
the end wall main body (12) is also provided with an external hanger connecting interface (16);
a section bar component (161) is embedded in the end wall main body (12), a steel plate (162) is arranged in the section bar component (161), the steel plate (162) is provided with a threaded hole in threaded connection with a hanging bolt (163), and the section bar component (161) is provided with a through hole communicated with the threaded hole; the threaded bore forms the external hanger connection interface (16).
2. Headwall according to claim 1, characterized in that the fastening means are in particular a bolt assembly (13); the bolt assembly (13) comprises a T-shaped nut (131) and a bolt (132), wherein the T-shaped nut (131) is fixed on the outer frame (11), the outer frame (11) and the end wall main body (12) are respectively provided with a mounting hole which is communicated with a threaded hole of the T-shaped nut (131), and the bolt (132) sequentially penetrates through the end wall main body (12) and the mounting hole of the outer frame (11) and the T-shaped nut (131) in threaded connection.
3. Headwall according to claim 2, characterized in that the T-nuts (131) are fixed to the outer frame (11) by screws (133).
4. The headwall of claim 2, wherein a washer (134) is also provided between the bolt (132) and the headwall body (12).
5. Headwall according to any one of claims 1 to 4, characterised in that the first support beam (111) forms with the outer frame (11) a mounting space for an outer windscreen (18) and that the first support beam (111) has a mounting interface for connection with the outer windscreen (18).
6. End wall according to claim 5, characterized in that the side of the outer frame (11) adjacent to the second support beam (112) is further provided with an extension beam (113) extending inwards perpendicular to the second support beam (112).
7. Headwall according to claim 5, characterised in that the headwall body (12) is further provided with a mount interface (14) for securing the wire rope of the outer windscreen (18).
8. Headwall according to any one of claims 1 to 4, characterised in that the edge banding profile (123) of the headwall body (12) is pre-embedded with a rivet nut (15) to form the connection interface of the inner windscreen (19).
9. End wall according to any one of claims 1-4, characterized in that the surface of the steel plate (162) is coated with a zinc chromate primer.
10. An end wall according to any one of claims 1-4, wherein the honeycomb panel is in particular an aluminium honeycomb panel.
11. End wall according to any of claims 1-4, characterized in that a door frame (17) is also fixed in the middle of the end wall body (12).
12. Headwall according to claim 11, characterised in that the door frame (17) is secured to the headwall body (12) by rivets (171).
13. Railway vehicle comprising a vehicle body and an end wall at the end of the vehicle body, characterized in that the end wall is according to any one of claims 1-12, and the outer frame (11) is fixedly connected with the vehicle body.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810564661.5A CN108501968B (en) | 2018-06-04 | 2018-06-04 | Railway vehicle and end wall thereof |
| PCT/CN2019/077610 WO2019233150A1 (en) | 2018-06-04 | 2019-03-11 | Railway vehicle and end wall thereof |
| EP19814146.7A EP3805069B1 (en) | 2018-06-04 | 2019-03-11 | Railway vehicle and end wall thereof |
| JP2020551551A JP7052067B2 (en) | 2018-06-04 | 2019-03-11 | Railroad cars and their end walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810564661.5A CN108501968B (en) | 2018-06-04 | 2018-06-04 | Railway vehicle and end wall thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108501968A CN108501968A (en) | 2018-09-07 |
| CN108501968B true CN108501968B (en) | 2023-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810564661.5A Active CN108501968B (en) | 2018-06-04 | 2018-06-04 | Railway vehicle and end wall thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108501968B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019233150A1 (en) * | 2018-06-04 | 2019-12-12 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle and end wall thereof |
| CN109969211B (en) * | 2019-04-04 | 2020-06-02 | 中车青岛四方机车车辆股份有限公司 | Car end anti-rolling device installation assembly, end wall of railway vehicle and railway vehicle |
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| CN205737557U (en) * | 2016-05-20 | 2016-11-30 | 中车唐山机车车辆有限公司 | EMUs headwall, Motor train unit body and EMUs |
| CN205836828U (en) * | 2016-06-14 | 2016-12-28 | 中车长春轨道客车股份有限公司 | A kind of rail vehicle and car body thereof |
| CN107499323A (en) * | 2016-06-14 | 2017-12-22 | 中车长春轨道客车股份有限公司 | A kind of rail vehicle and its car body |
| CN107264552A (en) * | 2017-06-06 | 2017-10-20 | 浙江鑫宙竹基复合材料科技有限公司 | Car body and preparation method are wound suitable for the bamboo of medium-and low-speed maglev rail traffic vehicles |
| CN107792103A (en) * | 2017-11-10 | 2018-03-13 | 江苏恒神股份有限公司 | Subway carbon fibre composite end wall structure |
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|---|---|
| CN108501968A (en) | 2018-09-07 |
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