CN113771891B - Apron board of rail transit vehicle body and forming process thereof - Google Patents
Apron board of rail transit vehicle body and forming process thereof Download PDFInfo
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- CN113771891B CN113771891B CN202111144811.5A CN202111144811A CN113771891B CN 113771891 B CN113771891 B CN 113771891B CN 202111144811 A CN202111144811 A CN 202111144811A CN 113771891 B CN113771891 B CN 113771891B
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- outer skin
- horizontal
- vehicle body
- longitudinal ribs
- horizontal reinforcing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
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- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to the technical field of rail transit, in particular to a rail transit vehicle body apron board and a forming process thereof, wherein the apron board comprises the following components: the outer skin is provided with a plurality of horizontal reinforcing structures at one end of the inner side of the vehicle body, and the horizontal reinforcing structures comprise at least one right-angle end extending inwards the vehicle body; the plurality of longitudinal ribs are vertically arranged at one end of the outer skin, which is positioned at the inner side of the vehicle body, and are arranged along the horizontal direction, and two ends of each longitudinal rib are respectively positioned at two ends of the outer skin in the vertical direction; wherein, indulge the muscle and be U type structure, and with outer covering vacuole formation in vertical direction, indulge the muscle and be provided with hollow out construction in horizontal strengthening structure department, hollow out construction corresponds the setting with horizontal strengthening structure, indulges the muscle and laminates each other with the right angle end. In the invention, the longitudinal ribs and the outer skin are mutually attached, so that the rigidity of the skirtboard in the vertical direction is increased, the skirtboard is not easy to deform in the process of lifting and closing the skirtboard, and the service life of the skirtboard is prolonged.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a rail transit vehicle body apron board and a forming process thereof.
Background
With the continuous development of the light weight trend of high-speed trains, composite materials such as carbon fibers and glass fibers are gradually applied to the cabin body of the train, and for the equipment cabin of the train, the cabin body is generally formed by connecting a bottom plate and an apron board. Some of these panels need to be openable for service replacement of the equipment.
Because the skirtboard needs to be lifted up and put down frequently, the skirtboard always bears vertical load, and after long-time use, the skirtboard is bent and deformed in the vertical direction, so that the service life is shortened.
In view of the above problems, the designer is actively researched and innovated based on the practical experience and professional knowledge of the product engineering application for many years and by the aid of the application of the theory, so as to create the apron board of the rail transit car body and the forming process thereof, and the apron board has higher practicability.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention provides a rail transit vehicle body apron board and a forming process thereof, so that the problems in the background art are effectively solved.
In order to achieve the purpose, the invention adopts the technical scheme that: a rail transit body skirt, comprising:
the outer skin is provided with a plurality of horizontal reinforcing structures at one end of the inner side of the vehicle body, and the horizontal reinforcing structures comprise at least one right-angle end extending inwards the vehicle body;
the plurality of longitudinal ribs are vertically arranged at one end, located on the inner side of the vehicle body, of the outer skin, are arranged along the horizontal direction, and two ends of each longitudinal rib are located at two ends of the outer skin in the vertical direction respectively;
the longitudinal ribs are of U-shaped structures and form cavities with the outer skin in the vertical direction, the longitudinal ribs are arranged at the horizontal reinforcing structures, the hollow structures correspond to the horizontal reinforcing structures, and the longitudinal ribs are attached to the right-angle ends.
Furthermore, the longitudinal ribs are provided with extension ends among the horizontal reinforcing structures, and the extension ends extend along the horizontal direction and are attached to the outer skin.
Furthermore, the horizontal reinforcing structure is an L-shaped structure, one end of the L-shaped structure is fixedly arranged on the outer skin, and the other end of the L-shaped structure is a vertical end.
Further, the horizontal reinforcing structure is an inner skin, the inner skin is located at one end, on the inner side of the vehicle body, of the outer skin, and a plurality of horizontal cavities are formed between the inner skin and the outer skin.
Furthermore, the horizontal reinforcing structure comprises an L-shaped structure and an inner skin, wherein one end of the L-shaped structure is fixedly arranged on the outer skin, and the other end of the L-shaped structure is a vertical end; the inner skin is positioned at one end of the outer skin on the inner side of the vehicle body, and a plurality of horizontal cavities are formed between the inner skin and the outer skin.
The invention also comprises a process for forming the apron board of the rail transit car body, which comprises the following steps:
integrally pultrusion forming an outer skin and a horizontal reinforcing structure on the outer skin;
a plurality of longitudinal ribs are formed through compression molding, the longitudinal ribs are of U-shaped structures, extension ends are arranged among the horizontal reinforcing structures of the longitudinal ribs, the extension ends extend along the horizontal direction, a plurality of hollow structures are processed on the longitudinal ribs, and the hollow structures correspond to the horizontal reinforcing structures, so that the longitudinal ribs are attached to the outer skin;
a plurality of longitudinal bars are arranged and bonded at one end of the outer skin close to the inner side of the vehicle body along the horizontal direction;
and drilling the longitudinal bar at the horizontal reinforcing structure, and riveting the longitudinal bar and the horizontal reinforcing structure.
Further, a plurality of mounting holes are processed on the horizontal reinforcing structure and/or the longitudinal ribs.
The invention also comprises a process for forming the apron board of the rail transit car body, which comprises the following steps:
laying a prepreg fabric layer and a horizontal attachment on a supporting mould from bottom to top, wherein the fabric layer is an outer skin, and the horizontal attachment is a horizontal reinforcing structure;
laying a plurality of longitudinal bar prefabricated bodies on the fabric layer and the horizontal additional piece along the vertical direction, wherein the plurality of longitudinal bar prefabricated bodies are arranged along the horizontal direction, are attached to the fabric layer and comprise cavities in the vertical direction;
and after the laying is finished, carrying out integral curing molding.
Further, after the integrated solidification forming, a plurality of mounting holes are processed on the horizontal reinforcing structure and/or the longitudinal bars.
The invention has the beneficial effects that: according to the invention, the outer skin and the longitudinal ribs are arranged, the outer skin is provided with the horizontal reinforcing structures, the horizontal reinforcing structures comprise at least one right-angle end extending inwards to the vehicle body, so that the rigidity of the apron board in the direction parallel to the vehicle body can be increased, the longitudinal ribs are of U-shaped structures, cavities are formed in the vertical direction with the outer skin, the longitudinal ribs are provided with the hollowed-out structures at the horizontal reinforcing structures, the hollowed-out structures are arranged corresponding to the horizontal reinforcing structures, the longitudinal ribs are mutually attached to the right-angle ends, and the longitudinal ribs are mutually attached to the outer skin, so that the rigidity of the apron board in the vertical direction is increased, the apron board is not easy to deform in the process of lifting and closing the apron board, and the service life of the apron board is prolonged.
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 the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of another embodiment of the present invention;
fig. 4 to 6 are schematic views of different horizontal reinforcing structures.
Reference numerals: 1. an outer skin; 11. a horizontal reinforcing structure; 2. longitudinal ribs; 21. an extension end; 3. and (7) installing holes.
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.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6: a rail transit vehicle body skirt panel and comprising:
the outer skin comprises an outer skin 1, wherein a plurality of horizontal reinforcing structures 11 are arranged at one end of the inner side of the outer skin 1, and the horizontal reinforcing structures 11 comprise at least right-angle ends extending inwards of the vehicle body;
the outer skin 1 is positioned at one end of the inner side of the vehicle body, the plurality of longitudinal ribs 2 are vertically arranged at one end of the outer skin 1, the plurality of longitudinal ribs 2 are arranged along the horizontal direction, and two ends of each longitudinal rib 2 are respectively positioned at two ends of the outer skin 1 in the vertical direction;
wherein, indulge muscle 2 and be U type structure, and with outer covering 1 vacuole formation in vertical direction, indulge muscle 2 and be provided with hollow out construction in 11 departments of horizontal strengthening structure, hollow out construction corresponds the setting with horizontal strengthening structure 11, indulges muscle 2 and laminates each other with the right angle end.
Through setting up outer skin 1 and a plurality of muscle 2 of indulging, be provided with a plurality of horizontal additional strengthening 11 on the outer skin 1, horizontal additional strengthening 11 includes at least the right angle end that extends earlier on the automobile body, thereby can increase the skirtboard at the rigidity that is on a parallel with the automobile body direction, it is U type structure to indulge muscle 2, and with outer skin 1 vacuole formation in vertical direction, it is provided with hollow out construction to indulge muscle 2 in horizontal additional strengthening 11 departments, hollow out construction corresponds the setting with horizontal additional strengthening 11, it laminates each other with the right angle end to indulge muscle 2, it laminates each other with outer skin 1 to indulge muscle 2, thereby increase the rigidity of skirtboard in vertical direction, in-process at the skirtboard is lifted and is closed, be difficult for producing the deformation, the life of skirtboard has been increased.
In the present embodiment, the longitudinal ribs 2 are provided with extending ends 21 between the horizontal reinforcing structures 11, and the extending ends 21 extend in the horizontal direction and are attached to the outer skin 1.
Through setting up extension end 21, extension end 21 extends along the horizontal direction, and laminates with outer skin 1 to greatly increased indulge muscle 2 and outer skin 1's area of contact, more conveniently will indulge muscle 2 and outer skin 1 and fix, greatly increased simultaneously between them joint strength, increased the rigidity of skirtboard.
The horizontal reinforcing structure 11 is an L-shaped structure, one end of the L-shaped structure is fixedly arranged on the outer skin 1, and the other end of the L-shaped structure is a vertical end.
By arranging the horizontal reinforcing structure 11 into an L-shaped structure, bending load of the skirting board along the horizontal direction can be well resisted, and the rigidity of the skirting board in the horizontal direction is greatly increased.
Or, the horizontal reinforcing structure 11 is an inner skin, the inner skin is located at one end of the outer skin 1 on the inner side of the vehicle body, and a plurality of horizontal cavities are formed between the inner skin and the outer skin 1.
Through setting up the inner skin, form a plurality of horizontal cavity between inner skin and the outer skin 1 to can be fine resist the bending load of skirtboard along the horizontal direction, greatly increased skirtboard sends the rigidity to in the level.
Or, the horizontal reinforcing structure 11 comprises an L-shaped structure and an inner skin, wherein one end of the L-shaped structure is fixedly arranged on the outer skin 1, and the other end of the L-shaped structure is a vertical end; the inner skin is positioned at one end of the outer skin 1 on the inner side of the vehicle body, and a plurality of horizontal cavities are formed between the inner skin and the outer skin 1.
Through setting up L type structure and interior covering simultaneously, can be fine resist the bending load of skirtboard along the horizontal direction, greatly increased skirtboard is in the rigidity that the level sent to.
The embodiment also comprises a process for forming the skirtboard of the rail transit vehicle body, which comprises the following steps:
integrally pultrusion forming the outer skin 1 and the horizontal reinforcing structure 11 on the outer skin 1;
a plurality of longitudinal ribs 2 are formed through compression molding, the longitudinal ribs 2 are of U-shaped structures, extension ends 21 are arranged between a plurality of horizontal reinforcing structures 11 of the longitudinal ribs 2, the extension ends 21 extend along the horizontal direction, a plurality of hollow structures are processed on the longitudinal ribs 2, the hollow structures correspond to the horizontal reinforcing structures 11, and the longitudinal ribs 2 are attached to the outer skin 1;
arranging and bonding a plurality of longitudinal ribs 2 at one end of the outer skin 1 close to the inner side of the vehicle body along the horizontal direction;
at the horizontal reinforcing structure 11, the longitudinal bar 2 is drilled and the longitudinal bar 2 is riveted with the horizontal reinforcing structure 11.
Through integrative pultrusion technology, process out horizontal additional strengthening 11 on outer covering 1 and the outer covering 1, rethread compression molding technology processes out a plurality of muscle 2 of indulging, and size precision is higher, is fit for mass production, but need make the pultrusion mould and indulge the mould of muscle 2 earlier stage, and earlier stage is with high costs, through the fixed mode that bonds and riveting combination, can effectively guarantee to indulge muscle 2 and outer covering 1's joint strength.
Wherein, a plurality of mounting holes 3 are processed on the horizontal reinforcing structure 11 and/or the longitudinal bars 2. Because the skirtboard articulates on the automobile body, and need set up the air spring and support when opening the skirtboard, so need structural parts such as fixed mounting hinge structure, air spring support, safety support on the skirtboard, so for the convenience of installation, carry out processing mounting hole 3 on indulging muscle 2 and/horizontal additional strengthening 11, owing to there is the cavity on indulging muscle 2, have the right angle end on the horizontal additional strengthening 11, so these places conveniently install the structural part, consequently set up mounting hole 3 here, made things convenient for the processing to the skirtboard.
The embodiment also comprises a process for forming the skirtboard of the rail transit car body, which comprises the following steps:
laying a prepreg fabric layer and a horizontal additional piece on a supporting mould from bottom to top, wherein the fabric layer is an outer skin 1, and the horizontal additional piece is a horizontal reinforcing structure 11;
laying a plurality of prefabricated bodies of longitudinal ribs 2 on the fabric layer and the horizontal additional piece along the vertical direction, arranging the prefabricated bodies of the longitudinal ribs 2 along the horizontal direction, attaching the prefabricated bodies of the longitudinal ribs 2 to the fabric layer, and forming a cavity in the vertical direction;
and after the laying is finished, carrying out integral curing molding.
Through laying prepreg fabric layer, horizontal additional member and 2 prefabricated parts of vertical muscle, carry out integrated curing molding's technology at last, removed the preparation to pultrusion mould, vertical muscle 2 mould from, support the mould only need guarantee its arc structure to its support can, can use materials such as foam, timber, the cost is lower, and owing to be integrated curing molding, joint strength is higher, but it is longer to lay the time spent, is unsuitable mass production, and size precision is also lower.
Preferably, after the integral curing molding, a plurality of mounting holes 3 are processed on the horizontal reinforcing structure 11 and/or the longitudinal ribs 2.
Because the skirtboard articulates on the automobile body, and need set up the air spring and support when opening the skirtboard, so need structural parts such as fixed mounting hinge structure, air spring support, safety support on the skirtboard, so for the convenience of installation, carry out processing mounting hole 3 on indulging muscle 2 and/horizontal additional strengthening 11, owing to there is the cavity on indulging muscle 2, have the right angle end on the horizontal additional strengthening 11, so these places conveniently install the structural part, consequently set up mounting hole 3 here, made things convenient for the processing to the skirtboard.
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 invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a rail transit automobile body skirtboard which characterized in that includes:
the outer skin is provided with a plurality of horizontal reinforcing structures at one end of the inner side of the vehicle body, and the horizontal reinforcing structures comprise at least one right-angle end extending inwards the vehicle body;
the plurality of longitudinal ribs are vertically arranged at one end, located on the inner side of the vehicle body, of the outer skin, are arranged along the horizontal direction, and two ends of each longitudinal rib are located at two ends of the outer skin in the vertical direction respectively;
the longitudinal ribs are of U-shaped structures, a cavity is formed between the longitudinal ribs and the outer skin in the vertical direction, hollow structures are arranged at the horizontal reinforcing structures of the longitudinal ribs, the hollow structures are arranged corresponding to the horizontal reinforcing structures, and the longitudinal ribs and the right-angle end are mutually attached;
the skirtboard of the rail transit car body is formed by the following forming process, which comprises the following steps:
integrally pultrusion forming an outer skin and a horizontal reinforcing structure on the outer skin;
a plurality of longitudinal ribs are formed through compression molding, the longitudinal ribs are of U-shaped structures, extension ends are arranged among the horizontal reinforcing structures of the longitudinal ribs, the extension ends extend along the horizontal direction, a plurality of hollow structures are processed on the longitudinal ribs, and the hollow structures correspond to the horizontal reinforcing structures, so that the longitudinal ribs are attached to the outer skin;
a plurality of longitudinal bars are arranged and bonded at one end of the outer skin close to the inner side of the vehicle body along the horizontal direction;
drilling the longitudinal bars at the horizontal reinforcing structure, and riveting the longitudinal bars and the horizontal reinforcing structure;
and a plurality of mounting holes are processed on the horizontal reinforcing structure and/or the longitudinal ribs.
2. The rail transit vehicle body skirt of claim 1, wherein the horizontal reinforcement structure is an L-shaped structure having one end fixedly disposed on the outer skin and the other end being a vertical end.
3. The rail transit vehicle body skirt of claim 1, wherein the horizontal reinforcement structure comprises an L-shaped structure and an inner skin, the L-shaped structure having one end fixedly disposed on the outer skin and the other end being a vertical end; the inner skin is positioned at one end of the outer skin on the inner side of the vehicle body, and a plurality of horizontal cavities are formed between the inner skin and the outer skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144811.5A CN113771891B (en) | 2021-09-28 | 2021-09-28 | Apron board of rail transit vehicle body and forming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144811.5A CN113771891B (en) | 2021-09-28 | 2021-09-28 | Apron board of rail transit vehicle body and forming process thereof |
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| Publication Number | Publication Date |
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| CN113771891A CN113771891A (en) | 2021-12-10 |
| CN113771891B true CN113771891B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111144811.5A Active CN113771891B (en) | 2021-09-28 | 2021-09-28 | Apron board of rail transit vehicle body and forming process thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572258B (en) * | 2022-03-24 | 2022-10-04 | 常州市新创智能科技有限公司 | Apron board of rail transit equipment cabin and forming process thereof |
| CN114802328B (en) * | 2022-05-20 | 2024-05-28 | 中车青岛四方机车车辆股份有限公司 | Apron board assembly and rail vehicle |
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|---|---|---|---|---|
| EP2865516A1 (en) * | 2013-10-28 | 2015-04-29 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Skin-stiffened composite panel and method of its manufacture |
| CN107521124A (en) * | 2017-07-31 | 2017-12-29 | 江苏恒神股份有限公司 | Carbon fiber dual platen reinforced structure part and its manufacture method |
| CN107553997A (en) * | 2017-08-18 | 2018-01-09 | 航天材料及工艺研究所 | A kind of rail traffic vehicles car body apron board structure and its forming method |
| CN206983991U (en) * | 2017-07-26 | 2018-02-09 | 唐山市达泰科技有限公司 | A kind of rail vehicles skirtboard |
| CN113353110A (en) * | 2021-05-24 | 2021-09-07 | 常州市新创智能科技有限公司 | Carbon fiber composite end wall structure and forming process thereof |
| CN214215784U (en) * | 2020-08-25 | 2021-09-17 | 唐山宏正机械设备有限公司 | Laser welding skirtboard |
-
2021
- 2021-09-28 CN CN202111144811.5A patent/CN113771891B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2865516A1 (en) * | 2013-10-28 | 2015-04-29 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Skin-stiffened composite panel and method of its manufacture |
| CN206983991U (en) * | 2017-07-26 | 2018-02-09 | 唐山市达泰科技有限公司 | A kind of rail vehicles skirtboard |
| CN107521124A (en) * | 2017-07-31 | 2017-12-29 | 江苏恒神股份有限公司 | Carbon fiber dual platen reinforced structure part and its manufacture method |
| CN107553997A (en) * | 2017-08-18 | 2018-01-09 | 航天材料及工艺研究所 | A kind of rail traffic vehicles car body apron board structure and its forming method |
| CN214215784U (en) * | 2020-08-25 | 2021-09-17 | 唐山宏正机械设备有限公司 | Laser welding skirtboard |
| CN113353110A (en) * | 2021-05-24 | 2021-09-07 | 常州市新创智能科技有限公司 | Carbon fiber composite end wall structure and forming process thereof |
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| CN113771891A (en) | 2021-12-10 |
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