CN211592711U - Carbon-fibre composite's hydrogen can car A post structure - Google Patents
Carbon-fibre composite's hydrogen can car A post structure Download PDFInfo
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- CN211592711U CN211592711U CN201921805130.7U CN201921805130U CN211592711U CN 211592711 U CN211592711 U CN 211592711U CN 201921805130 U CN201921805130 U CN 201921805130U CN 211592711 U CN211592711 U CN 211592711U
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- side wall
- wall inner
- reinforcing beam
- hollow reinforcing
- stiffening beam
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Abstract
The utility model discloses a carbon-fibre composite's hydrogen can car A post structure, including hollow stiffening beam, side wall planking and side wall inner panel, hollow stiffening beam, side wall planking and side wall inner panel all adopt the carbon-fibre composite preparation, hollow stiffening beam only has an adhesion turn-ups in circumference, the side wall inner panel passes through the co-curing mode with hollow stiffening beam and is connected the assembly, the side wall planking all bonds through the structure glue with hollow stiffening beam and side wall inner panel, makes the side wall planking with the hollow stiffening beam of side wall inner panel cladding in opposite directions. The utility model has the advantages of, satisfying under the regional circumstances of strengthening of A post, through special design and manufacturing method, ensure that hollow stiffening beam when bearing along tubular beams length direction's pressure, its section is difficult for breaking glue to avoid producing the problem of structural failure, and can realize with ripe manufacturing technique, reduced manufacturing and assembly cost to a certain extent.
Description
Technical Field
The utility model relates to a hydrogen can car body structure technical field, especially relates to a carbon-fibre composite's hydrogen can car A post structure.
Background
The carbon fiber composite material is applied to an automobile body structure, so that the weight of the automobile body can be greatly reduced, but the carbon fiber composite material and metal have completely different materials and process forming characteristics, so that the design of the carbon fiber automobile body cannot be the same as that of the metal structure, otherwise, the problems of high process difficulty, high manufacturing cost, incapability of exerting the advantages of the carbon fiber to the maximum extent and the like can be caused. How to strengthen the side wall assembly in the A column area is one of the difficulties in designing an all-carbon fiber vehicle body, in the market, part of the existing vehicle types adopt carbon fiber 3D woven beams to realize reinforcement, but the technology has the problems of high cost and low production efficiency, and part of the existing vehicle types realize reinforcement through metal hydraulic pipes, but the technology has the problem of difference of thermal expansion coefficients.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art current situation, provide a carbon-fibre composite's hydrogen can car A post structure, satisfying under the regional circumstances of strengthening of A post, through special design and manufacturing approach, ensure that hollow stiffening beam is when bearing along tubular beams length direction's pressure, its section is difficult for breaking glue to avoid producing the problem that the structure became invalid, and can realize with ripe manufacturing technique, reduced manufacturing and assembly cost to a certain extent.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the hydrogen energy automobile A column structure made of the carbon fiber composite material comprises a hollow reinforcing beam, a side wall outer plate and a side wall inner plate, wherein the hollow reinforcing beam, the side wall outer plate and the side wall inner plate are all made of the carbon fiber composite material, the hollow reinforcing beam only has one bonding flanging in the circumferential direction, the side wall inner plate and the hollow reinforcing beam are connected and assembled in a co-curing mode, and the side wall outer plate, the hollow reinforcing beam and the side wall inner plate are bonded through structural glue, so that the side wall outer plate and the side wall inner plate are oppositely coated with the hollow reinforcing beam.
Further, the hollow reinforcing beam is formed by a prepreg pressurizing belt pressing process or an RTM (resin transfer molding) process.
Further, the side wall outer plate and the side wall inner plate are both formed by adopting a prepreg autoclave process or an RTM process.
Further, a gap between the hollow reinforcing beam and the side wall inner plate is filled with fiber raw materials.
The utility model has the advantages that:
the utility model has the advantages of, realize the production manufacturing of this carbon-fibre composite's hydrogen energy car A post structure according to the preparation of prefabricated hollow stiffening beam-side wall inner panel and the process flow of being connected-side wall planking preparation and being connected, under the condition that satisfies the regional enhancement of A post, through special design and manufacturing approach, ensure that hollow stiffening beam is when bearing along tubular beams length direction's pressure, its section is difficult for breaking glue, thereby avoid producing the problem of structural failure, and can realize with ripe manufacturing technique, manufacturing and assembly cost have been reduced to a certain extent.
Drawings
FIG. 1 is a cross-sectional view of the A-pillar structure of the present invention;
FIG. 2 is a schematic diagram of the hollow reinforcing beam molding of the present invention;
FIG. 3 is a perspective view of the hollow reinforcing beam of the present invention;
fig. 4 is a cross-sectional view of the hollow reinforcing beam preform of the present invention.
Description of the labeling: 1. the side wall structure comprises a side wall outer plate, 2 a side wall inner plate, 3 a hollow reinforcing beam, 4 a filling area, 5 a structural adhesive layer, 6 an upper die, 7 a lower die, 8 a vacuum bag, 9 and the vacuum bag.
Detailed Description
Referring to fig. 1, 3 and 4, a hydrogen energy automobile a-pillar structure made of carbon fiber composite material includes a hollow reinforcing beam 3, a side wall outer plate 1 and a side wall inner plate 2, the hollow reinforcing beam 3, the side wall outer plate 1 and the side wall inner plate 2 are all made of carbon fiber composite material, the hollow reinforcing beam 3 has only one bonding flange in the circumferential direction, the side wall inner plate 2 and the hollow reinforcing beam 3 are connected and assembled in a co-curing manner, so as to ensure reliable bonding between the hollow reinforcing beam 3 and the side wall inner plate 2 and reduce assembly workload, the side wall outer plate 1, the hollow reinforcing beam 3 and the side wall inner plate 2 are bonded by structural adhesive, so that the side wall outer plate 1 and the side wall inner plate 2 oppositely wrap the hollow reinforcing beam 3, thereby reinforcing the side wall assembly.
The hollow reinforcing beam 3 is formed by a prepreg pressurizing belt pressing process or an RTM process. The side wall outer plate 1 and the side wall inner plate 2 are both formed by adopting a prepreg autoclave process or an RTM process. The fiber raw material used in the prepreg pressurizing and belt pressing process and the prepreg autoclave process is prepreg, and the fiber raw material used in the RTM process is dry fiber cloth.
The gap between the hollow reinforcing beam 3 and the side wall inner plate 2 is filled with fiber raw materials, and the filled fiber raw materials are along the 0-degree direction of the tube cavity of the hollow reinforcing beam 3. The filling area 4 is two. After filling, the structural adhesive layer 5 has an attaching surface at the gap between the hollow reinforcing beam 3 and the side wall inner panel 2.
Referring to fig. 2, 3 and 4, the method for manufacturing the hydrogen energy automobile a-pillar structure made of the carbon fiber composite material includes the following steps:
s1, prefabricating the hollow reinforcing beam 3:
s1.1, laying and covering a flat plate after the fiber raw material is fed from an automatic feeding machine;
s1.2, laminating the fiber raw materials paved on the flat plate to enable two ends of the fiber raw materials to be overlapped, and putting a vacuum bag 8 in advance before overlapping;
s1.3, sewing the overlapped areas at the two ends through fibers to finish the manufacture of the preform of the hollow reinforcing beam 3, considering that the hollow reinforcing beam 3 may have a variable section, the sewing area needs to be adjusted according to the local section size of the hollow reinforcing beam 3, and after the hollow reinforcing beam 3 is sewn through the fibers, the hollow reinforcing beam 3 can be prevented from being unglued when being subjected to bending load;
s1.4, putting the hollow reinforcing beam 3 preformed body into a mold for pressure forming, specifically, when a prepreg pressure pressing process is adopted, carrying out mold matching on an upper mold 6 and a lower mold 7 to carry out mold pressing on a sewing area 9 of the hollow reinforcing beam 3 preformed body, after the mold matching of the upper mold 6 and the lower mold 7 is finished, pressurizing through a vacuum bag 8 which is put in advance, when RTM (resin transfer molding) process is adopted for forming, firstly, giving a certain pressure to the vacuum bag 9 after the mold matching of the upper mold 6 and the lower mold 7 is finished, so that the hollow reinforcing beam 3 preformed body is attached to the mold surface, then injecting resin, and after the resin injection is finished, applying pressure required;
s2, manufacturing and connecting the side wall inner plate 2: after the fiber raw material is discharged from the automatic discharging machine, the fiber raw material is placed into a forming die of the side wall inner plate 2, the hollow reinforcing beam 3 formed in the step S1.4 is placed at the same time, the fiber raw material is filled in the gap between the hollow reinforcing beam 3 and the unformed side wall inner plate 2, the side wall inner plate 2 is formed by pressurization, and the side wall inner plate 2 and the hollow reinforcing beam 3 are subjected to co-curing and bonding;
s3, manufacturing and connecting the side wall outer plate 1: and (3) after the fiber raw material is discharged from the automatic blanking machine, putting the fiber raw material into a side wall outer plate 1 forming die to form the side wall outer plate 1, and bonding the formed side wall outer plate 1 with the hollow reinforcing beam 3-side wall inner plate 2 formed in the step S2 through structural adhesive to finish the manufacturing.
When the fiber material is laid, the fiber material laying layer along the length direction of the hollow reinforcing beam 3 is not less than the fiber material laying layer vertical to the length direction of the hollow reinforcing beam 3, that is, the fiber material laying layer along the length direction of the hollow reinforcing beam 3 is majority, and the fiber material along the length direction of the hollow reinforcing beam 3 is continuous, so as to ensure the mechanical property of the hollow reinforcing beam 3. When applied, the curvature of the part is not considered.
Of course, the above is only the preferred embodiment of the present invention, and the application range of the present invention is not limited thereto, so all the equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a carbon-fibre composite's hydrogen can car A post structure which characterized in that: the side wall outer plate, the hollow side wall outer plate and the side wall inner plate are all made of carbon fiber composite materials, only one bonding flanging is arranged on the periphery of the hollow reinforcing beam, the side wall inner plate and the hollow reinforcing beam are connected and assembled in a co-curing mode, and the side wall outer plate, the hollow reinforcing beam and the side wall inner plate are bonded through structural glue, so that the side wall outer plate and the side wall inner plate oppositely cover the hollow reinforcing beam.
2. The carbon fiber composite material hydrogen energy automobile A column structure according to claim 1, characterized in that: and the gap between the hollow reinforcing beam and the side wall inner plate is filled with fiber raw materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805130.7U CN211592711U (en) | 2019-10-24 | 2019-10-24 | Carbon-fibre composite's hydrogen can car A post structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921805130.7U CN211592711U (en) | 2019-10-24 | 2019-10-24 | Carbon-fibre composite's hydrogen can car A post structure |
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| CN211592711U true CN211592711U (en) | 2020-09-29 |
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| CN201921805130.7U Active CN211592711U (en) | 2019-10-24 | 2019-10-24 | Carbon-fibre composite's hydrogen can car A post structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696926A (en) * | 2019-10-24 | 2020-01-17 | 武汉格罗夫氢能汽车有限公司 | Carbon fiber composite material hydrogen energy automobile A column structure and manufacturing method thereof |
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2019
- 2019-10-24 CN CN201921805130.7U patent/CN211592711U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696926A (en) * | 2019-10-24 | 2020-01-17 | 武汉格罗夫氢能汽车有限公司 | Carbon fiber composite material hydrogen energy automobile A column structure and manufacturing method thereof |
| CN110696926B (en) * | 2019-10-24 | 2024-02-06 | 武汉格罗夫氢能汽车有限公司 | Hydrogen energy automobile A column structure of carbon fiber composite material and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 101, 1 / F, building 13, phase I, industrial incubation base, east of future third road and south of Keji fifth road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Grove Hydrogen Energy Technology Group Co.,Ltd. Address before: Room 101, 1 / F, building 13, phase I, industrial incubation base, east of future third road and south of Keji fifth road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN LUOGEFU HYDROGEN ENERGY AUTOMOBILE Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A carbon fiber composite A-pillar structure for hydrogen energy vehicles Effective date of registration: 20230201 Granted publication date: 20200929 Pledgee: China Construction Bank Corporation Wuhan Gangcheng sub branch Pledgor: Grove Hydrogen Energy Technology Group Co.,Ltd. Registration number: Y2023420000015 |