CN216424400U - Train carbon fiber vehicle body structure - Google Patents
Train carbon fiber vehicle body structure Download PDFInfo
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- CN216424400U CN216424400U CN202121002687.4U CN202121002687U CN216424400U CN 216424400 U CN216424400 U CN 216424400U CN 202121002687 U CN202121002687 U CN 202121002687U CN 216424400 U CN216424400 U CN 216424400U
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 59
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 59
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000002131 composite material Substances 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of rail transit, in particular to a train carbon fiber vehicle body structure, which comprises a vehicle roof and side walls arranged on two sides of the vehicle roof, wherein the side walls on the two sides are connected with the vehicle roof through side roofs; the connecting structure of the carbon fiber composite board is formed by pultrusion together with the section bar, so that the structure has higher practicability and effectively improves the production and installation efficiency.
Description
Technical Field
The utility model relates to the technical field of rail transit, in particular to a train carbon fiber vehicle body structure.
Background
At present, most train bodies are made of metal materials, but the speed of a train with a traditional structure made of the metal materials is continuously increased, and meanwhile, the difficulty in solving the problems of vibration and noise is increased; the metal car body is composed of a base, side walls and a car roof, all the components are connected by large-scale alloy extruded sections in a tailor welding mode, and the metal car body has the problems that the metal car body is easy to corrode, is not beneficial to light weight, has large welding deformation and the like.
Compared with the traditional metal material, the carbon fiber composite material has the obvious advantages of small density, high strength, high modulus and the like, the weight of the train body can be greatly reduced, the light weight is realized, the safety of the train body can be improved, and the carbon fiber composite material has profound significance for the safe acceleration of trains.
In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, so as to create a train carbon fiber car body structure, which is more practical.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a train carbon fiber train body structure aiming at the defects in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a carbon fiber train body structure for a train, comprising: the side walls are respectively positioned at two sides of the roof and are connected with the roof through the side tops;
the train comprises a train body, a roof, side roofs, side walls and a plurality of side walls, wherein the roof, the side roofs and the side walls are formed by splicing a plurality of carbon fiber composite plates, the length direction of the carbon fiber composite plates is the same as that of the train body, the carbon fiber composite plates are all arranged into double-layer pultrusion profiles and comprise outer plates, inner plates and rib plates, the rib plates are arranged between the outer plates and the inner plates and are separated by the rib plates to form at least one cavity, and the cavity extends towards the length direction of the train body;
the carbon fiber composite board comprises a first profile board and a second profile board, the first profile board is fixedly connected with the second profile board through a first connecting structure and a second connecting structure respectively, the first connecting structure is at least arranged on one side of the first profile board, and the second connecting structure is symmetrically arranged on two sides of the second profile board.
Furthermore, the thickness of the carbon fiber composite board at the side top is greater than the thickness of the carbon fiber composite board at the roof and the side wall, and the thickness of the carbon fiber composite board at the middle part of the side top is gradually narrowed towards the top board and the thickness of the carbon fiber composite board arranged on the side wall.
Further, the first connecting structure and the second connecting structure both extend from one end of the carbon fiber composite board to the other end of the carbon fiber composite board along the length direction of the carbon fiber composite board.
Further, first connection structure is including setting up public plug on the first section bar board edge, second connection structure is including setting up female plug on the second section bar board edge, public plug with female plug gomphosis each other.
Furthermore, the female plug comprises an outer plate and an inner plate, and the outer plate and the inner plate extend from the outer plate and the inner plate respectively;
the male plug is internally provided with one cavity, and step parts which are embedded with the extension plate and the inner extension plate are respectively formed on the outer plate and the inner plate of the male plug.
Further, the first connecting structure comprises a first lap joint plate arranged on the edge of the first profile plate, and the second connecting structure comprises a second lap joint plate arranged on the edge of the second profile plate.
Further, the first lap plate is extended and arranged through the outer plate of the first profile plate, and the second lap plate is extended and arranged through the inner plate of the second profile plate;
step portions, which are fitted to the second strap plate and the first strap plate, are formed on the inner plate of the first profile plate and the outer plate of the second profile plate, respectively.
Further, the cavities include rectangular cavities, trapezoidal cavities, and combinations thereof.
The utility model has the beneficial effects that:
in the application, the vehicle body structure is formed by splicing a plurality of carbon fiber composite plates with the same length as the vehicle body, the original metal frame structure is replaced, and the problems of heavy self weight, low strength and easiness in corrosion of the metal vehicle body of the train are effectively solved;
the carbon fiber composite board is provided with the plurality of cavities, so that the weight of the profile can be effectively reduced, and the strength and rigidity of the profile can be improved;
a connection structure and the same pultrusion of section bar for splicing a plurality of carbon fiber composite sheet, the structure has more the practicality and has effectively improved production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a carbon fiber vehicle body according to an embodiment of the present invention;
FIG. 2 is a schematic view of a carbon fiber vehicle body connection structure according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of a vehicle body attachment structure according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of the structure shown at B in FIG. 4;
FIG. 6 is a schematic view of another carbon fiber vehicle body attachment configuration in accordance with an embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of the structure at C in FIG. 6;
FIG. 8 is a cross-sectional view schematically illustrating another vehicle body attachment structure in accordance with an embodiment of the present invention;
fig. 9 is an enlarged view of a portion of the structure at D in fig. 8.
Reference numerals: 11. a vehicle roof; 12. side jacking; 13. a side wall; 2. a carbon fiber composite board; 21. an outer plate; 22. an inner plate; 23. a rib plate; 24. a cavity; 3. a first profile plate; 31. a first connecting structure; 32. a male plug; 33. a first strap; 4. a second profile plate; 41. a second connecting structure; 42. a female plug; 421. an epitaxial plate; 422. an inner extension plate; 43. a second strap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The train carbon fiber vehicle body structure shown in fig. 1 to 9 comprises a vehicle roof 11, side roofs 12 and side walls 13, wherein the side walls 13 are respectively positioned on two sides of the vehicle roof 11 and are connected with the vehicle roof 11 through the side roofs 12; the roof 11, the side roof 12 and the side wall 13 are formed by splicing a plurality of carbon fiber composite plates 2, the length direction of each carbon fiber composite plate 2 is the same as that of the train body, the carbon fiber composite plates 2 are all arranged into double-layer pultrusion profiles and comprise outer plates 21, inner plates 22 and rib plates 23, the rib plates 23 are arranged between the outer plates 21 and the inner plates 22 and are separated by the rib plates 23 to form at least one cavity 24, and the cavity 24 extends towards the length direction of the train body; carbon fiber composite sheet 2 includes first section bar board 3 and second section bar board 4, and first section bar board 3 and second section bar board 4 are respectively through first connection structure 31 and 41 fixed connection of second connection structure, and first connection structure 31 sets up in one side of first section bar board 3 at least, and 41 symmetries of second connection structure set up in the both sides of second section bar board 4.
According to the carbon fiber vehicle body structure, a vehicle body is divided into a plurality of carbon fiber composite plates 2 along the cross section, all cross-section sectional materials are spliced into the whole vehicle body through a specific assembling tool, the whole vehicle body comprises a vehicle roof 11 and side walls 13 arranged on two sides of the vehicle roof, the side walls 13 on the two sides are connected with the vehicle roof 11 through side roofs 12, reinforcing ring beams are further arranged along the circumferential direction of the vehicle body, end walls are further arranged at two ends of the vehicle body, a vehicle seat is arranged at the bottom end of the vehicle body, and finally the composite vehicle body is formed.
In the application, the thickness of the carbon fiber composite plate 2 at the side top 12 is greater than the thickness of the carbon fiber composite plates 2 at the roof 11 and the side walls 13, and the thickness of the carbon fiber composite plates 2 arranged at the middle positions of the side tops 12 towards the roof 11 and the side walls 13 respectively is gradually narrowed. The side top 12 is a main bearing area and adopts a variable cross-section structure, so that the bearing capacity of the whole structure can be effectively improved; the multi-cavity structure can ensure the safety of the structure for bearing air pressure load, and the thicknesses of different sections are designed to ensure that the structure can meet the bearing in all directions.
Specifically, the first connecting structure 31 and the second connecting structure 41 both extend from one end of the carbon fiber composite plate 2 to the other end of the carbon fiber composite plate 2 along the length direction thereof. The first connecting structure 31 and the second connecting structure 41 are formed integrally with the first profile plate 3 and the second profile plate 4 as extensions of the first profile plate 3 and the second profile plate 4.
Further, carbon fiber composite sheet 2 sets up to the isometric plate of train automobile body, and all passes the forming device in advance through carbon fiber or glass fibre to continuous mode transmission squeezes into mould glue injection district with resin high pressure, the shaping of thermal cure. And finally forming a preformed plate with a uniform cross section by pultrusion. The assembly is very convenient in the splicing process of the automobile body, and after the automobile body is damaged in the assembly process, the automobile body is convenient to replace and does not need to be scrapped integrally.
As a preferred embodiment of the present application, the first profile plate 3 and the second profile plate 4 are fixedly connected to each other by a first connecting structure 31 and a second connecting structure 41 respectively arranged thereon. In the present embodiment, specifically, as shown in fig. 6 to 9, the first connecting structure 31 includes a male plug 32 disposed on an edge of the first profile plate 3, the second connecting structure 41 includes a female plug 42 disposed on an edge of the second profile plate 4, and the male plug 32 and the female plug 42 are engaged with each other. Through the mutual grafting of public female joint, realize two adjacent first section bar boards 3 and the mutual concatenation of second section bar board 4, the rethread rivet carries out fixed connection.
Further, the female plug 42 includes an outer plate 421 and an inner plate 422, and the outer plate 421 and the inner plate 422 are respectively extended from the outer plate 21 and the inner plate 22; the male plug 32 is provided therein with a cavity 24, and outer and inner plates 21 and 22 of the male plug 32 are respectively formed with stepped portions to be fitted with the outer and inner extension plates 421 and 422. In a specific implementation, the inner extending plate 422 is fixedly connected with the male plug 32 by arranging a rivet on one side of the inner extending plate 422.
As another preferred embodiment of the present application, the first profile plate 3 and the second profile plate 4 are fixedly connected with each other by the first connecting structure 31 and the second connecting structure 41 respectively arranged thereon and then by the rivet. In particular, as shown in fig. 2 to 5, the first connecting structure 31 comprises a first bridging plate 33 arranged on the edge of the first profile plate 3 and the second connecting structure 41 comprises a second bridging plate 43 arranged on the edge of the second profile plate 4. The first strap 33 is fixedly connected to the second profile plate 4 by means of rivets, as are the second strap 43 and the first profile plate 3.
Furthermore, a first bridging plate 33 is arranged by extending the outer plate 21 of the first profile plate 3, and a second bridging plate 43 is arranged by extending the inner plate 22 of the second profile plate 4; stepped portions into which the second strap 43 and the first strap 33 are fitted are formed in the inner panel 22 of the first profile plate 3 and the outer panel 21 of the second profile plate 4, respectively.
In the connection structure on the vehicle body outer side, as shown in fig. 5, the first strap 33 is provided on the outer side, and the second strap 43 is provided on the inner side. The outer surface of the first lap plate 33 and the outer surface of the outer plate 21 of the first profile plate 3 connected with the first lap plate are positioned on the same plane and are slightly lower than the outer surface of the outer plate 21 of the rest of the first profile plate 3, and the rivets are covered on the outer surface by laying skin, so that the integral aesthetic property of the outer surface of the vehicle body is enhanced.
In the present application, the cavities 24 include rectangular cavities 24, trapezoidal cavities 24, and combinations thereof. The safety of the structure against the air pressure load can be ensured by providing a plurality of cavities 24.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a train carbon fiber vehicle body structure which characterized in that includes: the side walls (13) are respectively positioned at two sides of the roof (11) and are connected with the roof (11) through the side roofs (12);
the roof (11), the side roof (12) and the side walls (13) are formed by splicing a plurality of carbon fiber composite plates (2), the length direction of each carbon fiber composite plate (2) is the same as that of a train body, the carbon fiber composite plates (2) are both double-layer pultrusion profiles and comprise outer plates (21), inner plates (22) and rib plates (23), the rib plates (23) are arranged between the outer plates (21) and the inner plates (22) and are separated by the rib plates (23) to form at least one cavity (24), and the cavity (24) extends towards the length direction of the train body;
carbon fiber composite sheet (2) includes first section bar board (3) and second section bar board (4), first section bar board (3) with second section bar board (4) are respectively through first connection structure (31) and second connection structure (41) fixed connection, first connection structure (31) set up at least one side of first section bar board (3), second connection structure (41) symmetry sets up the both sides of second section bar board (4).
2. The train carbon fiber car body structure according to claim 1, wherein the thickness of the carbon fiber composite plate (2) at the side roof (12) is larger than the thickness of the carbon fiber composite plate (2) at the roof (11) and the side wall (13), and the thickness of the carbon fiber composite plate (2) arranged at the middle position of the side roof (12) towards the roof (11) and the side wall (13) respectively becomes gradually smaller.
3. The train carbon fiber car body structure according to claim 1, wherein the first connecting structure (31) and the second connecting structure (41) each extend from one end of the carbon fiber composite plate (2) to the other end of the carbon fiber composite plate (2) along a length direction thereof.
4. Train carbon fiber car body structure according to claim 3, characterized in that the first connection structure (31) comprises a male plug (32) provided on the edge of the first profile plate (3), and the second connection structure (41) comprises a female plug (42) provided on the edge of the second profile plate (4), the male plug (32) and the female plug (42) being mutually engaged.
5. The train carbon fiber car body structure according to claim 4, wherein the female plug (42) comprises an outer extension plate (421) and an inner extension plate (422), and the outer extension plate (421) and the inner extension plate (422) are respectively extended from the outer plate (21) and the inner plate (22);
the male plug (32) is internally provided with one cavity (24), and step parts which are embedded with the extension plate (421) and the inner extension plate (422) are respectively formed on the outer plate (21) and the inner plate (22) of the male plug (32).
6. Train carbon fiber car body structure according to claim 3, characterized in that the first connection structure (31) comprises a first strap (33) provided on the edge of the first profile plate (3) and the second connection structure (41) comprises a second strap (43) provided on the edge of the second profile plate (4).
7. Train carbon fiber car body structure according to claim 6, characterized in that the first strap (33) is provided extending through the outer panel (21) of the first profile panel (3) and the second strap (43) is provided extending through the inner panel (22) of the second profile panel (4);
step portions to be fitted with the second strap plate (43) and the first strap plate (33) are formed on the inner plate (22) of the first profile plate (3) and the outer plate (21) of the second profile plate (4), respectively.
8. The train carbon fiber car body structure according to claim 1, wherein the cavity (24) comprises a rectangular cavity (24), a trapezoidal cavity (24), and a combination thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121002687.4U CN216424400U (en) | 2021-05-11 | 2021-05-11 | Train carbon fiber vehicle body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121002687.4U CN216424400U (en) | 2021-05-11 | 2021-05-11 | Train carbon fiber vehicle body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216424400U true CN216424400U (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121002687.4U Active CN216424400U (en) | 2021-05-11 | 2021-05-11 | Train carbon fiber vehicle body structure |
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| Country | Link |
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| CN (1) | CN216424400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115489554A (en) * | 2022-10-25 | 2022-12-20 | 中车浦镇阿尔斯通运输系统有限公司 | Rail vehicle automobile body connection structure |
-
2021
- 2021-05-11 CN CN202121002687.4U patent/CN216424400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115489554A (en) * | 2022-10-25 | 2022-12-20 | 中车浦镇阿尔斯通运输系统有限公司 | Rail vehicle automobile body connection structure |
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