CN105128876A - Carbon fiber composite vehicle body and manufacturing method thereof - Google Patents
Carbon fiber composite vehicle body and manufacturing method thereof Download PDFInfo
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- CN105128876A CN105128876A CN201510579742.9A CN201510579742A CN105128876A CN 105128876 A CN105128876 A CN 105128876A CN 201510579742 A CN201510579742 A CN 201510579742A CN 105128876 A CN105128876 A CN 105128876A
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- vehicle body
- carbon fiber
- base plate
- fiber composite
- reinforced rib
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Abstract
The invention discloses a carbon fiber composite vehicle body. The carbon fiber composite vehicle body comprises bodywork and a bottom plate, the bottom plate is connected with the bottom of the bodywork, the bodywork is manufactured through integral forming, the bodywork comprises an outer skin, a sandwich layer and an inner skin which are sequentially arranged from outside to inside, reinforcing ribs are bonded on the inner skin, and the carbon fiber composite vehicle body has the advantages of being high in rigidity and strength, light in mass, soundproof and heat resistant. The carbon fiber composite vehicle body is formed by connecting the bodywork which is manufactured through integral forming with the bottom plate, connecting structures of the vehicle body can be greatly reduced, the rigidity and the strength of the vehicle body are improved, and the safety of the vehicle body is facilitated. The invention further discloses a manufacturing method of the carbon fiber composite vehicle body, the degree of production integration is high, and the method has important meanings on reducing the manufacturing cost and improving the rigidity and the strength of the vehicle body.
Description
Technical field
The invention belongs to technical field of rail traffic, be specifically related to a kind of carbon fiber composite material car body and manufacture method thereof.
Background technology
Train lightweight has important value in the many-side such as energy-conservation, safe.Conventional train car body generally adopts corrosion-resistant steel or aluminum alloy manufacture to form, and carbon fiber composite material, compared to them, has lower density, higher Rigidity and strength.Thus manufactured car body has lighter quality and better safety.
Also there is no carbon fiber composite material car body in the market, do not manufacture the conventional method of composite material car body yet.Carbon fiber composite material is different from traditional metallic material completely on manufacture is shaping, and rational shaping scheme will greatly reduce manufacturing cost and optimize structure.
Summary of the invention
The object of the invention is to solve the problem, provide that a kind of rigidity is large, the light carbon fiber composite material car body of quality.
Another object of the present invention is to provide the manufacture method of the high carbon fiber composite material car body of a kind of integrated degree.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of carbon fiber composite material car body, comprise vehicle body and base plate, base plate is connected with the bottom of vehicle body, described vehicle body is integrated shapingly to be made, comprise exterior skin, sandwich of layers and inside panel that ecto-entad sets gradually, described inside panel is bonded with reinforced rib.
Preferably, the reinforced rib on described inside panel comprises the U-shaped portion consistent with shape of cross section that is vehicle body that be that be arranged in parallel and divides and the rectangle part consistent with the vertical sectional shape of vehicle body, and this two parts reinforced rib intersects at the bottom of vehicle body.
Preferably, described base plate is bonded with the reinforced rib be arranged in parallel, the length direction of reinforced rib is vertical with the length direction of base plate.
Preferably, described exterior skin, inside panel, base plate and reinforced rib are made by carbon fiber prepreg.
Preferably, described sandwich of layers is cellular or spumescence.
Preferably, described vehicle body comprises top board, headwall that two relative side walls are relative with two, side wall offers car door and vehicle window, headwall offers car door.
A manufacture method for carbon fiber composite material car body, comprises the following steps:
Step one, produce car body die and base plate mould; Geomery and the vehicle body of described car body die cavity are in the same size, and geomery and the base plate of base plate mould cavity are in the same size;
Step 2, by car body die integrated molding make vehicle body, by base plate mould integrated molding make base plate;
On step 3, the inside panel that the reinforced rib adopting carbon fiber prepreg to make is bonded in vehicle body and base plate;
Step 4, after vehicle body, base plate and reinforced rib curing molding, vehicle body to be connected with base plate, to form car body.
In step 2, integrated molding makes vehicle body process and is: first adopt carbon fiber prepreg, integrated laying forming exterior skin; Then Sandwich materials is laid, integrated molding sandwich of layers; Finally adopt carbon fiber prepreg, integrated laying forming inside panel.
In step 2, carbon fiber prepreg integrated molding is adopted to make base plate.
The present invention has following beneficial effect compared to prior art:
1, carbon fiber composite material car body of the present invention, the exterior skin that vehicle body is made up of carbon fiber prepreg and inside panel and filling sandwich of layers between which form, and the reinforced rib that bonds on inside panel is reinforced, have that stiffness and strength is large, quality is light, the feature of sound-insulating and heat-insulating.
2, carbon fiber composite material car body of the present invention, the vehicle body be made up of integrated molding and base plate connect to form, and significantly can reduce the connection structure of car body, improve the Rigidity and strength of car body, are more conducive to the safety of car body.
3, the manufacture method of carbon fiber composite material car body of the present invention, production integration degree is high, for reduction manufacturing cost, improves the meaning that car body Rigidity and strength tool is more important simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of carbon fiber composite material car body of the present invention;
Fig. 2 is the cross sectional drawing of car body of the present invention;
Fig. 3 is the schematic diagram of reinforced rib on vehicle body of the present invention;
Fig. 4 is the schematic diagram of reinforced rib on base plate of the present invention.
Description of reference numerals: 1, vehicle body; 11, exterior skin; 12, sandwich of layers; 13, inside panel; 101, top board; 102, side wall; 103, headwall; 2, base plate; 3, reinforced rib.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further:
As shown in Figures 1 to 4, a kind of carbon fiber composite material car body of the present invention, comprise vehicle body 1 and base plate 2, base plate 2 is fixedly linked by rivet with the bottom of vehicle body 1, vehicle body 1 and base plate 2 are integrated molding and make, wherein vehicle body 1 comprises exterior skin 11, sandwich of layers 12 and the inside panel 13 that ecto-entad sets gradually, inside panel 13 is bonded with reinforced rib 3, reinforced rib 3 comprises the U-shaped portion consistent with the shape of cross section of vehicle body 1 be arranged in parallel and divides and the rectangle part consistent with the vertical sectional shape of vehicle body 1, and this two parts reinforced rib 3 intersects at the bottom of vehicle body 1; Base plate 2 is bonded with the reinforced rib 3 be arranged in parallel, the length direction of reinforced rib 3 is vertical with the length direction of base plate 2; Exterior skin 11, inside panel 13, base plate 2 and reinforced rib 3 are made by carbon fiber prepreg; Sandwich of layers 12 is cellular or spumescence, is obtained maximum stressed, and have sound insulation and heat insulation effect by less material.
It should be noted that, the cross-sectional plane in the present invention is defined as the cross sectional shape of the short-axis direction of vehicle body 1, and vertical section is defined as the cross sectional shape of the long axis direction of vehicle body 1, and namely cross-sectional plane is the cross sectional shape of vertical direction, and vertical section is the cross sectional shape of horizontal direction.
From a structural point, vehicle body 1 comprises top board 101, two headwalls that relative side wall 102 is relative with two 103, side wall 102 offers car door and vehicle window, headwall 103 offers car door, base plate 2 is connected with the bottom of two side walls 102 and the bottom of two headwalls 103.Carbon fiber composite material car body of the present invention, the vehicle body be made up of integrated molding and base plate connect to form, and significantly can reduce the connection structure of car body, improve the Rigidity and strength of car body, are more conducive to the safety of car body.
The invention provides a kind of manufacture method of above-mentioned carbon fiber composite material car body, comprise the following steps:
Step one, produce vehicle body 1 mould and base plate 2 mould; Geomery and the vehicle body 1 of vehicle body 1 mould cavity are in the same size, and geomery and the base plate 2 of base plate 2 mould cavity are in the same size;
Step 2, by vehicle body 1 mould integrated molding make vehicle body 1: first adopt carbon fiber prepreg, integrated laying forming exterior skin 11; Then Sandwich materials is laid, integrated molding sandwich of layers 12; Finally adopt carbon fiber prepreg, integrated laying forming inside panel 13;
Adopt carbon fiber prepreg, make base plate 2 by base plate 2 mould integrated molding;
On step 3, the inside panel 13 that the reinforced rib 3 adopting carbon fiber prepreg to make is bonded in vehicle body 1 and base plate 2;
Step 4, after vehicle body 1, base plate 2 and reinforced rib 3 curing molding, vehicle body 1 to be connected with base plate 2, to form car body.
This manufacture method, production integration degree is high, for reduction manufacturing cost, improves the meaning that car body Rigidity and strength tool is more important simultaneously.
Those of ordinary skill in the art will appreciate that, embodiment described here is to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention is not limited to so special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combination of not departing from essence of the present invention according to these technology enlightenment disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.
Claims (10)
1. a carbon fiber composite material car body, it is characterized in that: comprise vehicle body (1) and base plate (2), base plate (2) is connected with the bottom of vehicle body (1), described vehicle body (1) is integrated shapingly to be made, comprise exterior skin (11), sandwich of layers (12) and inside panel (13) that ecto-entad sets gradually, described inside panel (13) is bonded with reinforced rib (3).
2. carbon fiber composite material car body according to claim 1, it is characterized in that: the reinforced rib (3) on described inside panel (13) comprises the U-shaped portion consistent with the shape of cross section of vehicle body (1) be arranged in parallel and divides and the rectangle part consistent with the vertical sectional shape of vehicle body (1), and this two parts reinforced rib (3) intersects at the bottom of vehicle body (1).
3. carbon fiber composite material car body according to claim 1, it is characterized in that: described base plate (2) is bonded with the reinforced rib (3) be arranged in parallel, the length direction of reinforced rib (3) is vertical with the length direction of base plate (2).
4. carbon fiber composite material car body according to claim 1, is characterized in that: described exterior skin (11), inside panel (13), base plate (2) and reinforced rib (3) are made by carbon fiber prepreg.
5. carbon fiber composite material car body according to claim 1, is characterized in that: described sandwich of layers (12) is cellular or spumescence.
6. carbon fiber composite material car body according to claim 1, it is characterized in that: described vehicle body (1) comprises top board (101), headwall (103) that two relative side walls (102) are relative with two, (102) offer car door and vehicle window to side wall, and (103) offer car door to headwall.
7. a manufacture method for carbon fiber composite material car body, is characterized in that, comprises the following steps:
Step one, produce vehicle body (1) mould and base plate (2) mould;
Step 2, by vehicle body (1) mould integrated molding make vehicle body (1), by base plate (2) mould integrated molding make base plate (2);
On step 3, the inside panel (13) that the reinforced rib (3) adopting carbon fiber prepreg to make is bonded in vehicle body (1) and base plate (2);
Step 4, after vehicle body (1), base plate (2) and reinforced rib (3) curing molding, vehicle body (1) to be connected with base plate (2), to form car body.
8. manufacture method according to claim 7, it is characterized in that: geomery and the vehicle body (1) of described vehicle body (1) mould cavity are in the same size, geomery and the base plate (2) of base plate (2) mould cavity are in the same size.
9. manufacture method according to claim 7, is characterized in that: in step 2, and integrated molding makes vehicle body (1) process and is: first adopt carbon fiber prepreg, integrated laying forming exterior skin (11); Then Sandwich materials is laid, integrated molding sandwich of layers (12); Finally adopt carbon fiber prepreg, integrated laying forming inside panel (13).
10. manufacture method according to claim 7, is characterized in that: in step 2, adopts carbon fiber prepreg integrated molding to make base plate (2).
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| CN201510579742.9A CN105128876B (en) | 2015-09-14 | 2015-09-14 | A kind of carbon fibre composite car body and its manufacturing method |
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| CN201510579742.9A CN105128876B (en) | 2015-09-14 | 2015-09-14 | A kind of carbon fibre composite car body and its manufacturing method |
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| CN105128876B CN105128876B (en) | 2018-09-25 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335516A (en) * | 2016-08-24 | 2017-01-18 | 中车唐山机车车辆有限公司 | Magnetic-levitation train and train body thereof |
| CN106379347A (en) * | 2016-12-02 | 2017-02-08 | 中车长春轨道客车股份有限公司 | Vehicle body structure for railway vehicle and forming method |
| CN106394579A (en) * | 2016-11-03 | 2017-02-15 | 中车青岛四方机车车辆股份有限公司 | Door plate structure and train with same |
| CN106428067A (en) * | 2016-12-02 | 2017-02-22 | 中车长春轨道客车股份有限公司 | Novel vehicle door frame integrated structure and forming method |
| CN106428080A (en) * | 2016-12-02 | 2017-02-22 | 中车长春轨道客车股份有限公司 | Railway vehicle head and chassis integrated structure and forming method |
| CN106584925A (en) * | 2016-11-29 | 2017-04-26 | 上海晋飞碳纤科技股份有限公司 | Integrally-formed, flame-retardant and high-strength roof board of high-speed railway carriage and forming process of roof |
| CN108128312A (en) * | 2017-11-29 | 2018-06-08 | 中车青岛四方机车车辆股份有限公司 | Track train |
| CN108622123A (en) * | 2018-05-09 | 2018-10-09 | 西南交通大学 | The structure and manufacturing process of the carbon fibre composite sky iron car body of low cost |
| CN110382328A (en) * | 2017-02-09 | 2019-10-25 | 中车青岛四方机车车辆股份有限公司 | Compartment for rail vehicle |
| CN112078147A (en) * | 2020-09-22 | 2020-12-15 | 常州市新创智能科技有限公司 | Composite material vehicle body forming process |
| CN113478860A (en) * | 2021-05-24 | 2021-10-08 | 常州市宏发纵横新材料科技股份有限公司 | Composite material train body structure and forming method thereof |
| CN114290715A (en) * | 2022-01-05 | 2022-04-08 | 河北福莱卡航空科技有限公司 | Rapid trial-manufacturing forming process for producing ducted propeller |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106335516A (en) * | 2016-08-24 | 2017-01-18 | 中车唐山机车车辆有限公司 | Magnetic-levitation train and train body thereof |
| CN106394579A (en) * | 2016-11-03 | 2017-02-15 | 中车青岛四方机车车辆股份有限公司 | Door plate structure and train with same |
| CN106584925A (en) * | 2016-11-29 | 2017-04-26 | 上海晋飞碳纤科技股份有限公司 | Integrally-formed, flame-retardant and high-strength roof board of high-speed railway carriage and forming process of roof |
| CN106379347A (en) * | 2016-12-02 | 2017-02-08 | 中车长春轨道客车股份有限公司 | Vehicle body structure for railway vehicle and forming method |
| CN106428067A (en) * | 2016-12-02 | 2017-02-22 | 中车长春轨道客车股份有限公司 | Novel vehicle door frame integrated structure and forming method |
| CN106428080A (en) * | 2016-12-02 | 2017-02-22 | 中车长春轨道客车股份有限公司 | Railway vehicle head and chassis integrated structure and forming method |
| CN106428080B (en) * | 2016-12-02 | 2024-03-08 | 中车长春轨道客车股份有限公司 | Integrated structure of head chassis of railway vehicle and forming method |
| CN110382328A (en) * | 2017-02-09 | 2019-10-25 | 中车青岛四方机车车辆股份有限公司 | Compartment for rail vehicle |
| CN110382328B (en) * | 2017-02-09 | 2021-12-03 | 中车青岛四方机车车辆股份有限公司 | Carriage for a rail vehicle |
| CN108128312A (en) * | 2017-11-29 | 2018-06-08 | 中车青岛四方机车车辆股份有限公司 | Track train |
| CN108622123A (en) * | 2018-05-09 | 2018-10-09 | 西南交通大学 | The structure and manufacturing process of the carbon fibre composite sky iron car body of low cost |
| CN108622123B (en) * | 2018-05-09 | 2020-04-07 | 西南交通大学 | Low-cost carbon fiber composite air-iron vehicle body and manufacturing process |
| CN112078147A (en) * | 2020-09-22 | 2020-12-15 | 常州市新创智能科技有限公司 | Composite material vehicle body forming process |
| CN113478860A (en) * | 2021-05-24 | 2021-10-08 | 常州市宏发纵横新材料科技股份有限公司 | Composite material train body structure and forming method thereof |
| CN113478860B (en) * | 2021-05-24 | 2022-08-30 | 常州市宏发纵横新材料科技股份有限公司 | Composite material train body structure and forming method thereof |
| CN114290715A (en) * | 2022-01-05 | 2022-04-08 | 河北福莱卡航空科技有限公司 | Rapid trial-manufacturing forming process for producing ducted propeller |
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