CN112519887A - Vehicle beam assembly and frame - Google Patents
Vehicle beam assembly and frame Download PDFInfo
- Publication number
- CN112519887A CN112519887A CN201910887586.0A CN201910887586A CN112519887A CN 112519887 A CN112519887 A CN 112519887A CN 201910887586 A CN201910887586 A CN 201910887586A CN 112519887 A CN112519887 A CN 112519887A
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- plate
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- longitudinal beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
- B62D21/155—Sub-frames or underguards
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a vehicle beam assembly and a vehicle frame, which comprise a lower beam and a lower connecting plate, wherein the lower beam is provided with a cavity, the lower connecting plate comprises a first part and a second part which are integrally formed, and the outer contour of the second part is fixedly connected with the edge of an opening of the cavity to seal the cavity. The cavity structure of the vehicle beam assembly can improve the integrity, the strength and the rigidity of the structure of the vehicle beam assembly, improve the collision performance and the bending rigidity of the vehicle beam assembly, improve the comfort, reduce the damage to passengers and protect the living space of the passengers; compared with the method for increasing the strength and rigidity of the vehicle beam assembly by increasing the reinforcing plate structure in the prior art, the cavity structure of the vehicle beam assembly can reduce the weight of the vehicle beam assembly on the basis of enhancing the strength and rigidity of the vehicle beam assembly, and the lightweight design of the vehicle beam assembly is realized.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a vehicle beam assembly and a vehicle frame with the same.
Background
A frontal vehicle collision is one of the main forms of a current traffic accident in which the rate of occupant injury is greater. In the prior art, the front collision performance of an automobile is taken as one of the evaluation indexes of the safety performance of the automobile. In the front collision process, whether the rigidity and the strength of the front wall cross beam can effectively overcome the impact force of front collision is an important aspect for measuring the stability of the front structure of the automobile.
The prior art provides a preceding vehicle beam assembly that encloses, enclose the crossbeam body and connect the matter strutbeam at preceding crossbeam body both ends including preceding, preceding crossbeam body and the strip strutbeam form "pi" font, it can with preceding bounding wall zonulae occludens, the effect that has stress dispersion, but its preceding crossbeam body that encloses who discloses is platelike structure, when the vehicle front portion receives the striking collision, preceding intensity and the rigidity of enclosing root vehicle beam assembly are not enough, need increase other reinforcing plate structure, the part that causes preceding vehicle beam assembly that encloses is more, and mechanical connection between part and the part has also reduced preceding vehicle beam assembly whole continuity before, cause it still can not satisfy anterior intensity of vehicle and rigidity requirement.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a vehicle beam assembly, which can solve the problems of low strength and low rigidity of the vehicle beam assembly in the prior art; it is another object of the present invention to provide a vehicle frame having the vehicle cross-member assembly.
In order to achieve the purpose, the invention provides a vehicle cross beam assembly which comprises a lower cross beam and a lower connecting plate, wherein the lower cross beam is provided with a cavity, the lower connecting plate comprises a first part and a second part which are integrally formed, and the outer contour of the second part is fixedly connected with the edge of an opening of the cavity so as to close the cavity.
Preferably, the lower beam includes a middle portion, and a first end portion and a second end portion located at two ends of the middle portion, the cavity includes a first cavity located at the first end portion, a second cavity located at the second end portion, and a third cavity located at the middle portion, and the first cavity, the second cavity, and the third cavity are communicated with each other.
Preferably, the first end part and the second end part are identical in structure and are oppositely arranged;
two side edges of the first cavity in the width direction of the lower cross beam are respectively a first side plate and a second side plate, and the height of the first side plate extending towards the opening direction of the first cavity is smaller than the height of the second side plate extending towards the opening direction of the first cavity;
the two side edges of the second cavity in the width direction of the lower cross beam are respectively a third side plate and a fourth side plate, and the height of the third side plate extending towards the opening direction of the second cavity is smaller than the height of the fourth side plate extending towards the opening direction of the second cavity.
Preferably, the middle part comprises a fifth side plate integrally formed with the second side plate and the fourth side plate, and a first bottom plate connected with the fifth side plate, the first bottom plate is flush with the first side plate in height, and the first bottom plate and the fifth side plate form the third cavity.
Preferably, first reinforcing structures extending in the vertical direction of the vehicle are respectively arranged in the first cavity, the second cavity and the third cavity.
Preferably, the first reinforcing structure includes a first longitudinal reinforcing plate, a first transverse reinforcing plate, and a first reinforcing column, the first longitudinal reinforcing plate and the first transverse reinforcing plate are fixed in a crossed manner, and the first reinforcing column is provided at a crossing of the first longitudinal reinforcing plate and the first transverse reinforcing plate.
Preferably, the intermediate portion, the first end portion, the second end portion, and the first reinforcing structure are integrally formed.
As a preferred scheme, two ends of the lower cross beam are fixedly connected with a left longitudinal beam rear plate and a right longitudinal beam rear plate respectively.
As a preferred scheme, the left longitudinal beam rear plate and the right longitudinal beam rear plate are oppositely arranged;
the left longitudinal beam rear plate comprises a left longitudinal beam bottom plate and a plurality of left longitudinal beam connecting plates fixedly arranged on the left longitudinal beam bottom plate, and the left longitudinal beam bottom plate is fixedly connected with the first end part; the right longitudinal beam rear plate comprises a right longitudinal beam bottom plate and a plurality of right longitudinal beam connecting plates fixed on the right longitudinal beam bottom plate, and the right longitudinal beam bottom plate is fixedly connected with the second end portion.
Preferably, a second reinforcing structure is further arranged on the left longitudinal beam bottom plate, the second reinforcing structure comprises a second longitudinal reinforcing plate, a second transverse reinforcing plate and a second reinforcing column, the second longitudinal reinforcing plate and the second transverse reinforcing plate are fixed in a crossed mode, and the second reinforcing column is arranged at the crossed position of the second longitudinal reinforcing plate and the second transverse reinforcing plate;
a third reinforcing structure is further arranged on the right longitudinal beam bottom plate and comprises a third longitudinal reinforcing plate, a third transverse reinforcing plate and a third reinforcing column, the third longitudinal reinforcing plate and the third transverse reinforcing plate are fixed in a crossed mode, and the third reinforcing column is arranged at the crossed position of the third longitudinal reinforcing plate and the third transverse reinforcing plate;
the left longitudinal beam bottom plate, the left longitudinal beam connecting plate and the second reinforcing structure are integrally formed;
the right longitudinal beam bottom plate, the right longitudinal beam connecting plate and the third reinforcing structure are integrally formed.
A frame comprises a vehicle cross beam assembly and a middle channel, wherein the vehicle cross beam assembly is the vehicle cross beam assembly, the vehicle cross beam assembly comprises a middle part, a lower connecting plate comprises a second part, the middle part and the second part are fixedly connected up and down to form a third cavity with an opening, and the middle channel is fixedly connected to the opening of the third cavity.
Compared with the prior art, the invention has the beneficial effects that:
the lower cross beam of the vehicle cross beam assembly is provided with the cavity, the second part of the lower connecting plate is fixedly matched and connected with the opening of the cavity, so that the vehicle cross beam assembly forms an integral closed cavity structure, an integral continuous stress structure is formed in the length direction of the vehicle cross beam assembly, and the integral strength and rigidity of the vehicle cross beam assembly structure are improved; the cavity structure can transmit and absorb part of the collision force, improve the collision performance and the bending rigidity of the vehicle beam assembly, improve the NVH performance, improve the comfort, reduce the damage to passengers and protect the living space of the passengers; compared with the method for increasing the strength and rigidity of the vehicle beam assembly by increasing the reinforcing plate structure in the prior art, the cavity structure of the vehicle beam assembly can reduce the weight of the vehicle beam assembly on the basis of enhancing the strength and rigidity of the vehicle beam assembly, and the lightweight design of the vehicle beam assembly is realized.
Drawings
FIG. 1 is a schematic structural view of a vehicle cross-member assembly in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the connecting structure of the intermediate portion of the vehicle cross-member assembly with the lower connecting plate and the center tunnel in accordance with the embodiment of the present invention;
FIG. 3 is a cross-sectional view of a connecting structure of a first end portion of a vehicle cross member assembly and a lower connecting plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a lower cross member of the vehicle cross member assembly in an embodiment of the present invention;
FIG. 5 is a schematic structural view of a lower web of a vehicle cross-member assembly in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural view of a right side rail rear panel of the vehicle cross member assembly in accordance with an embodiment of the present invention;
FIG. 7 is a schematic structural view of a left side rail rear panel of a vehicle cross member assembly in accordance with an embodiment of the present invention.
In the figure, 1, a lower cross beam; 11. a cavity; 110. a first cavity; 111. a second cavity; 112. A third cavity; 114. a first side plate; 115. a second side plate; 116. a third side plate; 117. A fourth side plate; 12. an intermediate portion; 121. a fifth side plate; 122. a first base plate; 13. a first end portion; 14. a second end portion; 2. a lower connecting plate; 21. a first portion; 22. a second portion; 3. a left longitudinal beam rear panel; 31. a left stringer base plate; 32. a left longitudinal beam connecting plate; 4. a right stringer back panel; 41. a right stringer base plate; 42. a right longitudinal beam connecting plate; 5. a middle channel; 6. a first reinforcing structure; 61. a first reinforcing longitudinal plate; 62. a first reinforcing transverse plate; 63. a first reinforcing column; 7. a second reinforcing structure; 8. and a third reinforcing structure.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1 to 6, the vehicle cross beam assembly of the present invention includes a lower cross beam 1, a lower connecting plate 2, a left side member rear plate 3 and a right side member rear plate 4, wherein the lower cross beam 1 is provided with a downwardly extending cavity 11, an upper portion of the cavity 11 has an opening, the lower connecting plate 2 includes a first portion 21 and a second portion 22 which are integrally formed, the first portion 21 is used for connecting to a vehicle body, a contour of the second portion 22 matches a shape of an edge of the opening of the cavity 11, such that the second portion 22 is fixedly connected to the opening of the cavity 11 up and down to close the cavity to form a cavity having a cross section in a shape of a Chinese character 'kou', integrity of the lower cross beam 1 and the lower connecting plate 2 is improved, and on the basis of improving strength and rigidity of the vehicle cross beam assembly, collision force applied to the vehicle cross beam assembly is sequentially attenuated and circulated along a side wall of the closed cavity 11 formed by the lower cross beam 1 and the lower connecting plate 2, the energy of collision can be effectively absorbed and dispersed.
Referring to fig. 4, the lower beam 1 includes a middle portion 12, and a first end portion 13 and a second end portion 14 located at two ends of the middle portion 12, wherein the cavity 11 includes a first cavity 110 disposed at the first end portion 13, a second cavity 111 disposed at the second end portion 14, and a third cavity 112 disposed at the middle portion 12, and the first cavity 110, the second cavity 111, and the third cavity 112 are communicated with each other. Compared with the plate surface shape, the three-dimensional cavity 11 structure can improve the strength and rigidity of the lower cross beam 1. When the lower cross member 1 is subjected to a lateral impact force, the first end portion 13 and the second end portion 14 are main force-receiving portions, and the first cavity 110 and the second cavity 111 are both formed in a shape larger than that of the third cavity 112, in addition to the intermediate portion 12 which needs to be connected to the center tunnel of the vehicle body. In the present application, in order to make the structure and stress of the lower cross member 1 symmetrical, the first end portion 13 and the second end portion 14 in the embodiment of the present invention are symmetrically disposed with the middle portion as the center and have the same shape; specifically, two opposite side edges of the first cavity 110 in the width direction of the lower beam 1 are respectively a first side plate 114 and a second side plate 115, a height of the first side plate 114 extending towards the opening direction of the first cavity 110 is smaller than a height of the second side plate 115 extending towards the opening direction of the first cavity 110, that is, the height of the first side plate 114 is smaller than the height of the second side plate 115, and when the lower connecting plate 2 is fixedly connected with the first end 13, the cross-sectional shape of the first cavity 110 is a trapezoid as shown in fig. 3; two sides of the second cavity 111 in the width direction of the lower beam 1 are respectively a third side plate 116 and a fourth side plate 117, the height of the third side plate 116 extending towards the opening direction of the second cavity 111 is less than the height of the fourth side plate 117 extending towards the opening direction of the second cavity 111, that is, the height of the third side plate 116 is less than the height of the fourth side plate 117, and when the lower connecting plate 2 is fixedly connected with the second end portion 14, the cross-sectional shape of the second cavity 111 is also trapezoidal.
Referring to fig. 2, the middle portion 12 of the lower beam 1 includes a fifth side plate 121, the fifth side plate 121 is located between the second side plate 115 and the fourth side plate 117, the fifth side plate 121 is integrally formed with the second side plate 115 and the fourth side plate 117, and the height of the fifth side plate 121 is equal to the height of the second side plate 115; the bottom of the middle portion 12 is connected with a first bottom plate 122, the first bottom plate 122 and a fifth side plate 121 are integrally formed and fixedly connected, the height of the first bottom plate 122 is flush with that of the first side plate 114, the fifth side plate 121 and the first bottom plate 122 form a third cavity, so that the cross section of the third cavity 112 of the middle portion 12 is triangular, the lower connecting plate 2 is fixed with the fifth side plate 121, and the third cavity 112 is provided with an opening which is used for connecting the middle channel 5.
In other embodiments of the present application, the first end 13 and the second end 14 may have different structures, and the cross-sectional shapes of the first cavity 110 and the second cavity 111 may be rectangular or square and triangular; the cross-sectional shape of the third cavity 112 can also be adjusted to a square or trapezoid structure according to the use requirement.
In order to further increase the strength and rigidity of the lower cross member 1, a first reinforcing structure 6 is fixedly provided in the cavity 11, and as shown in fig. 4, the first reinforcing structure 6 extends in the up-down direction of the cavity of the vehicle. Meanwhile, the bottom of the cavity 11 is also provided with a bottom reinforcing layer which is integrally formed with the bottom of the cavity and used for increasing the strength and rigidity of the lower cross beam 1. The first reinforcing structure 6 specifically comprises a first longitudinal reinforcing plate 61, a first transverse reinforcing plate 62 and a first reinforcing column 63, wherein the first longitudinal reinforcing plate 61 and the first transverse reinforcing plate 62 are fixed in a crossed manner, the first reinforcing column 63 is arranged at the crossed position of the first longitudinal reinforcing plate 61 and the first transverse reinforcing plate 62, and a hole extending along the axial direction is arranged in the middle of the first reinforcing column 63, so that the weight of the first reinforcing structure 6 can be reduced, and the first reinforcing structure can also be used as a mounting hole connected with other structural parts. Referring to fig. 4, the arrangement directions of the first reinforcing structures 6 in the first cavity 110, the second cavity 111 and the third cavity 112 are different, the first reinforcing transverse plate 62 and the first reinforcing longitudinal plate 61 in the first cavity 110 and the third cavity 112 are fixed in a right-angle crossed manner, the first reinforcing transverse plate 62 and the first reinforcing longitudinal plate 61 in the second cavity 111 are arranged in a triangular crossed manner, and the first reinforcing structures 6, the first end portion 13, the second end portion 14 and the middle portion 12 are integrally formed, so that the strength and rigidity of the lower cross beam 1 can be increased.
Wherein, the edge of the lower beam 1 is also provided with a flanging which is used for connecting the lower connecting plate 2.
As shown in fig. 1, 6 and 7, a left longitudinal beam rear plate 3 and a right longitudinal beam rear plate 4 are respectively and fixedly connected to two ends of a lower cross beam 1, the left longitudinal beam rear plate 3 is fixedly connected with a first end portion 13, the right longitudinal beam rear plate 4 is fixedly connected with a second end portion 14, and a middle portion 12 is fixedly connected with a middle channel 5; in this embodiment, the left longitudinal beam rear plate 3 and the right longitudinal beam rear plate 4 are arranged oppositely, and are used for facilitating the transmission of force of the vehicle cross beam assembly. Specifically, the left longitudinal beam rear plate 3 comprises a left longitudinal beam bottom plate 31 and a plurality of left longitudinal beam connecting plates 32 fixedly arranged on the left longitudinal beam bottom plate 31, the left longitudinal beam bottom plate 31 is fixedly connected with the first end part 13, and one side surface of the left longitudinal beam bottom plate 31 is fixedly connected to the side surface of the first end part 13, which is positioned at the transverse end part of the lower cross beam 1; the right longitudinal beam rear plate 4 comprises a right longitudinal beam bottom plate 41 and a plurality of right longitudinal beam connecting plates 42 fixedly arranged on the right longitudinal beam bottom plate 41, the right longitudinal beam bottom plate 41 is fixedly connected with the second end part 14, and one side surface of the right longitudinal beam bottom plate 41 is fixedly connected with the side surface, located at the transverse end part of the lower cross beam 1, of the second end part 14.
As shown in fig. 6 and 7, similar to the first reinforcing structure 6 in the lower cross beam 1, the left longitudinal beam bottom plate 31 is further provided with a second reinforcing structure 7, the second reinforcing structure 7 includes a second reinforcing longitudinal plate, a second reinforcing transverse plate and a second reinforcing column, the second reinforcing longitudinal plate and the second reinforcing transverse plate are fixed in a crossed manner, and the second reinforcing column is arranged at the crossing position of the second reinforcing longitudinal plate and the second reinforcing transverse plate; the right longitudinal beam bottom plate 41 is further provided with a third reinforcing structure 8, the third reinforcing structure comprises a third reinforcing longitudinal plate, a third reinforcing transverse plate and a third reinforcing column, the third reinforcing longitudinal plate and the third reinforcing transverse plate are fixed in a crossed mode, the third reinforcing column is arranged at the crossed position of the third reinforcing longitudinal plate and the third reinforcing transverse plate, the left longitudinal beam bottom plate 31, the left longitudinal beam connecting plate 32 and the second reinforcing structure 7 are integrally formed, and the right longitudinal beam bottom plate 41, the right longitudinal beam connecting plate 42 and the third reinforcing structure 8 are integrally formed. Therefore, the left longitudinal beam rear plate 3 and the right longitudinal beam rear plate 4 are both of an integrally formed structure, and the strength of the left longitudinal beam rear plate 3 and the strength of the right longitudinal beam rear plate 4 can be increased.
Wherein, bottom end rail 1 in this application, lower junction plate 2, left longeron backplate 3 and right longeron backplate 4 are integrated into one piece's structure, it is concrete, bottom end rail 1 of this application, left longeron backplate 3 and right longeron backplate 4 are the casting aluminium spare, bottom junction plate 2 is the punching press aluminium spare, only need during the installation with bottom end rail 2, left longeron backplate 3 and right longeron backplate 4 all fix to bottom end rail 1 through the riveting mode, simple structure and structural component are few, main atress part bottom end rail 1 and bottom end rail 2 are structure as an organic whole on horizontal, the rigidity intensity of vehicle crossbeam assembly has been improved, reduce the collision deformation of vehicle crossbeam assembly, and compare the optional steel material among the prior art, the weight that alleviates vehicle crossbeam assembly that can show, realize the lightweight design.
In the present application, the above-mentioned fixed connection may adopt fastening manners such as riveting, welding, and bolting, and the riveting is preferred in the present application.
The preferred embodiment of a vehicle frame of the present application, as shown in fig. 1 and 2, includes a vehicle cross beam assembly and a center tunnel 5, the structure of the vehicle cross beam assembly is the same as that of the vehicle cross beam assembly embodiment described above, the vehicle cross beam assembly includes a middle portion 12, the lower connecting plate 2 includes a second portion 22, the middle portion 12 and the second portion 22 are fixedly connected up and down to form a third cavity 112 with an opening, and the center tunnel 5 is fixedly connected to the opening of the third cavity.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The vehicle beam assembly is characterized by comprising a lower beam and a lower connecting plate, wherein the lower beam is provided with a cavity, the lower connecting plate comprises a first part and a second part which are integrally formed, and the outer contour of the second part is fixedly connected with the edge of an opening of the cavity to close the cavity.
2. The vehicle cross-member assembly of claim 1, wherein the lower cross-member includes a middle portion and first and second end portions at opposite ends of the middle portion, the cavities including a first cavity at the first end portion, a second cavity at the second end portion, and a third cavity at the middle portion, the first, second, and third cavities being in communication with one another.
3. The vehicle cross-member assembly of claim 2, wherein the first and second end portions are identical in construction and are oppositely disposed;
two side edges of the first cavity in the width direction of the lower cross beam are respectively a first side plate and a second side plate, and the height of the first side plate extending towards the opening direction of the first cavity is smaller than the height of the second side plate extending towards the opening direction of the first cavity;
the two side edges of the second cavity in the width direction of the lower cross beam are respectively a third side plate and a fourth side plate, and the height of the third side plate extending towards the opening direction of the second cavity is smaller than the height of the fourth side plate extending towards the opening direction of the second cavity.
4. The vehicle cross member assembly of claim 2, wherein the intermediate portion includes a fifth side panel integrally formed with the second and fourth side panels, and a first bottom panel connected to the fifth side panel, the first bottom panel being flush with the first side panel in height, the first bottom panel and the fifth side panel forming the third cavity.
5. The vehicle cross-member assembly of claim 4, wherein a first reinforcing structure extending in a vehicle up-down direction is provided in each of the first, second, and third cavities.
6. The vehicle cross-member assembly according to claim 5, wherein the first reinforcement structure includes a first reinforcement side plate, a first reinforcement cross plate, and a first reinforcement pillar, the first reinforcement side plate and the first reinforcement cross plate being fixed in a crossed manner, the first reinforcement pillar being provided at a crossing of the first reinforcement side plate and the first reinforcement cross plate.
7. The vehicle cross-member assembly of claim 5, wherein the intermediate portion, the first end portion, the second end portion, and the first reinforcement structure are integrally formed.
8. The vehicle cross member assembly of claim 1, wherein a left side rail rear panel and a right side rail rear panel are fixedly attached to each end of the lower cross member; the left longitudinal beam rear plate and the right longitudinal beam rear plate are arranged oppositely;
the left longitudinal beam rear plate comprises a left longitudinal beam bottom plate and a plurality of left longitudinal beam connecting plates fixedly arranged on the left longitudinal beam bottom plate, and the left longitudinal beam bottom plate is fixedly connected with the first end part; the right longitudinal beam rear plate comprises a right longitudinal beam bottom plate and a plurality of right longitudinal beam connecting plates fixed on the right longitudinal beam bottom plate, and the right longitudinal beam bottom plate is fixedly connected with the second end portion.
9. The vehicle cross-member assembly of claim 8,
the left longitudinal beam bottom plate is also provided with a second reinforcing structure, the second reinforcing structure comprises a second reinforcing longitudinal plate, a second reinforcing transverse plate and a second reinforcing column, the second reinforcing longitudinal plate and the second reinforcing transverse plate are fixed in a crossed mode, and the second reinforcing column is arranged at the crossed position of the second reinforcing longitudinal plate and the second reinforcing transverse plate;
a third reinforcing structure is further arranged on the right longitudinal beam bottom plate and comprises a third longitudinal reinforcing plate, a third transverse reinforcing plate and a third reinforcing column, the third longitudinal reinforcing plate and the third transverse reinforcing plate are fixed in a crossed mode, and the third reinforcing column is arranged at the crossed position of the third longitudinal reinforcing plate and the third transverse reinforcing plate;
the left longitudinal beam bottom plate, the left longitudinal beam connecting plate and the second reinforcing structure are integrally formed;
the right longitudinal beam bottom plate, the right longitudinal beam connecting plate and the third reinforcing structure are integrally formed.
10. A vehicle frame, comprising a vehicle cross member assembly and a center tunnel, wherein the vehicle cross member assembly is the vehicle cross member assembly of claims 1-9, the vehicle cross member assembly comprises a middle portion, the lower connecting plate comprises a second portion, the middle portion and the second portion are fixedly connected up and down to form a third cavity with an opening, and the center tunnel is fixedly connected to the opening of the third cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887586.0A CN112519887A (en) | 2019-09-19 | 2019-09-19 | Vehicle beam assembly and frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887586.0A CN112519887A (en) | 2019-09-19 | 2019-09-19 | Vehicle beam assembly and frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112519887A true CN112519887A (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910887586.0A Pending CN112519887A (en) | 2019-09-19 | 2019-09-19 | Vehicle beam assembly and frame |
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| Country | Link |
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| CN (1) | CN112519887A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116750086A (en) * | 2023-06-26 | 2023-09-15 | 小米汽车科技有限公司 | Vehicle front end reinforcing support assembly and vehicle |
-
2019
- 2019-09-19 CN CN201910887586.0A patent/CN112519887A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116750086A (en) * | 2023-06-26 | 2023-09-15 | 小米汽车科技有限公司 | Vehicle front end reinforcing support assembly and vehicle |
| CN116750086B (en) * | 2023-06-26 | 2024-03-01 | 小米汽车科技有限公司 | Vehicle front end reinforcing support assembly and vehicle |
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