CN217100164U - Be applicable to sub vehicle frame behind electric automobile rear-guard aluminum alloy extruded section bar - Google Patents
Be applicable to sub vehicle frame behind electric automobile rear-guard aluminum alloy extruded section bar Download PDFInfo
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- CN217100164U CN217100164U CN202220580940.2U CN202220580940U CN217100164U CN 217100164 U CN217100164 U CN 217100164U CN 202220580940 U CN202220580940 U CN 202220580940U CN 217100164 U CN217100164 U CN 217100164U
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Abstract
The utility model provides a sub vehicle frame behind full extruded section of aluminum alloy suitable for electric automobile rear-guard belongs to back sub vehicle frame technical field, especially relates to a sub vehicle frame behind full extruded section of aluminum alloy suitable for electric automobile rear-guard. The utility model provides a be applicable to sub vehicle frame behind electric automobile rear-guard aluminum alloy full extrusion section bar. The utility model comprises a front beam 4, a rear beam 14, a left longitudinal beam 6 and a right longitudinal beam 17, and is characterized in that one end of the front beam 4 is welded with the front end of the left longitudinal beam 6, and the other end of the front beam 4 is welded with the front end of the right longitudinal beam 17; one end of the rear cross beam 14 is welded with the rear end of the left longitudinal beam 6, and the other end of the rear cross beam 14 is welded with the rear end of the right longitudinal beam 17; the lower end of a right rear supporting beam 10 is welded with the rear end of a left longitudinal beam 6, the lower end of a left rear supporting beam 16 is welded with the rear end of a right longitudinal beam 17, the upper end of the right rear supporting beam 10 is welded with one end of a vehicle body mounting rear cross beam 13, and the upper end of the left rear supporting beam 16 is welded with the other end of the vehicle body mounting rear cross beam 13.
Description
Technical Field
The utility model belongs to the technical field of the back sub vehicle frame, especially, relate to a sub vehicle frame behind full extrusion section bar of aluminum alloy suitable for electric automobile rear-guard.
Background
In order to meet the urgent need of light weight of automobiles, particularly the need of endurance mileage of electric automobiles, automobile parts widely adopt aluminum materials to replace steel materials. At present, the auxiliary frame of the vehicle on the market is mainly formed by stamping metal plates and adding steel pipes through hydraulic forming and welding, the application of the aluminum alloy auxiliary frame is very few, the lightweight level can be greatly improved by adopting the aluminum alloy auxiliary frame, and the lightweight rate can reach 30-40%. The aluminum alloy auxiliary frame is also applied in a small quantity, the whole casting forming is mainly adopted, and the die casting aluminum alloy auxiliary frame is large in die investment and high in cost.
In the prior art, the auxiliary frame integrally cast and formed by aluminum alloy has high cost; the welding assembly of the aluminum alloy section and the die-casting aluminum alloy is also available, and the welding quality can not be ensured due to the fact that materials of the extrusion part and the die-casting part are different, and the extensibility of different materials is different; there is also a front subframe scheme of a scheme of 'full-extrusion-molded aluminum alloy subframe' (CN 105109555A) of Shanghai Yongsheng aluminum industry Co., Ltd, which can only be applied to the front subframe and does not form a hexahedral space ring-frame structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses just to above-mentioned problem, a sub vehicle frame behind full extrusion section bar of aluminum alloy suitable for electric automobile rear-guard is provided.
In order to realize the purpose, the utility model adopts the following technical scheme that the utility model comprises a front beam 4, a rear beam 14, a left longitudinal beam 6 and a right longitudinal beam 17, and is characterized in that one end of the front beam 4 is welded with the front end of the left longitudinal beam 6, and the other end of the front beam 4 is welded with the front end of the right longitudinal beam 17; one end of the rear cross beam 14 is welded with the rear end of the left longitudinal beam 6, and the other end of the rear cross beam 14 is welded with the rear end of the right longitudinal beam 17;
the lower end of a right rear supporting beam 10 is welded with the rear end of a left longitudinal beam 6, the lower end of a left rear supporting beam 16 is welded with the rear end of a right longitudinal beam 17, the upper end of the right rear supporting beam 10 is welded with one end of a vehicle body mounting rear cross beam 13, and the upper end of the left rear supporting beam 16 is welded with the other end of the vehicle body mounting rear cross beam 13;
the front end of a left longitudinal beam 6 is welded with the lower end of a right front supporting beam 7, the upper end of the right front supporting beam 7 is welded with a right front lapping beam 8, the front end of a right longitudinal beam 17 is welded with the lower end of a left front supporting beam 3, and the upper end of the left front supporting beam 3 is welded with a left front lapping beam 2;
and two ends of the vehicle body mounting rear cross beam 13 are provided with vehicle body mounting rear cross beam sleeves 11.
As a preferred scheme, be close to right longeron 17 side on the front beam 4 and be provided with preceding suspension erection support 5, be close to left longeron 6 side on the back beam 14 and be provided with right suspension erection support 12, be close to right longeron 17 side on the automobile body installation back beam 13 and be provided with left suspension erection support 15, left suspension erection support 15 is more close to right longeron 17 than preceding suspension erection support 5.
As another preferred scheme, it is provided with lower right swing arm installing support 9 to lean on the rear side on left longeron 6, lean on the rear side to be provided with lower left swing arm installing support 1 on right longeron 17.
As another preferred scheme, the front suspension mounting support 5, the right suspension mounting support 12 and the left suspension mounting support 15 of the present invention comprise two side vertical plates, one ends of the two side vertical plates are connected through a transverse plate, the lower ends of the vertical plates are in a right-angle opening structure, and the right-angle opening is a welding surface; the riser upper end is the inclined plane, and both sides riser upper portion corresponds is provided with the through-hole.
Secondly, right side front supporting beam 7 and left side front supporting beam 3 incline to the outside, the left side front overlapping roof beam 2 and the 8 upper end outsides of right front overlapping roof beam are provided with the through-hole.
Additionally, lower left swing arm installing support 1 and lower right swing arm installing support 9 include both sides riser, and both sides riser upper end links to each other through the diaphragm, lower extreme right angle form open structure in the riser, and right angle form opening part is the face of weld, and both sides riser back lower part correspondence is provided with the through-hole.
The utility model has the advantages of.
The utility model discloses front beam 4 forms a rectangle with left and right sides longeron welding respectively with rear frame member 14, automobile body installation rear frame member 13 with control the rear frame member respectively with automobile body installation rear frame member 13 with control longeron welding and form a rectangle, left side longeron 6 forms a rectangle with fore-and-aft supporting beam and automobile body mounting point respectively, right side longeron 17 forms a rectangle with fore-and-aft supporting beam and automobile body mounting point respectively, front beam 4 forms a rectangle with controlling front frame supporting beam and controlling preceding overlap joint roof beam and automobile body mounting point, add four mounting points on the automobile body (automobile body installation rear frame member pipe 11, left side preceding overlap joint roof beam 2, right side preceding overlap joint roof beam 8) rectangle, six rectangles seal into the hexahedron, improve the rigidity of sub vehicle frame.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description. The scope of protection of the present invention is not limited to the following description.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 is a left lower swing arm mounting bracket, 2 is a left front lap beam, 3 is a left front support beam, 4 is a front cross beam, 5 is a front suspension mounting support, 6 is a left longitudinal beam, 7 is a right front support beam, 8 is a right front lap beam, 9 is a right lower swing arm mounting bracket, 10 is a right rear support beam, 11 is a vehicle body mounting rear cross beam sleeve, 12 is a right suspension mounting support, 13 is a vehicle body mounting rear cross beam, 14 is a rear cross beam, 15 is a left suspension mounting support, 16 is a left rear support beam, and 17 is a right longitudinal beam.
Detailed Description
As shown in the figure, the utility model comprises a front beam 4, a rear beam 14, a left longitudinal beam 6 and a right longitudinal beam 17, wherein one end of the front beam 4 is welded with the front end of the left longitudinal beam 6, and the other end of the front beam 4 is welded with the front end of the right longitudinal beam 17; one end of the rear cross beam 14 is welded with the rear end of the left longitudinal beam 6, and the other end of the rear cross beam 14 is welded with the rear end of the right longitudinal beam 17;
the lower end of a right rear supporting beam 10 is welded with the rear end of a left longitudinal beam 6, the lower end of a left rear supporting beam 16 is welded with the rear end of a right longitudinal beam 17, the upper end of the right rear supporting beam 10 is welded with one end of a vehicle body mounting rear cross beam 13, and the upper end of the left rear supporting beam 16 is welded with the other end of the vehicle body mounting rear cross beam 13;
the front end of the left longitudinal beam 6 is welded with the lower end of the right front supporting beam 7, the upper end of the right front supporting beam 7 is welded with the right front overlapping beam 8, the front end of the right longitudinal beam 17 is welded with the lower end of the left front supporting beam 3, and the upper end of the left front supporting beam 3 is welded with the left front overlapping beam 2.
A front suspension mounting support 5 is arranged on the side, close to the right longitudinal beam 17, of the front cross beam 4, a right suspension mounting support 12 is arranged on the side, close to the left longitudinal beam 6, of the rear cross beam 14, a left suspension mounting support 15 is arranged on the side, close to the right longitudinal beam 17, of the rear cross beam 13 for vehicle body installation, and the left suspension mounting support 15 is closer to the right longitudinal beam 17 than the front suspension mounting support 5.
And a right lower swing arm mounting bracket 9 is arranged on the left longitudinal beam 6 close to the rear side, and a left lower swing arm mounting bracket 1 is arranged on the right longitudinal beam 17 close to the rear side.
And vehicle body mounting rear cross beam sleeves 11 are arranged at two ends of the vehicle body mounting rear cross beam 13 (the vehicle body mounting rear cross beam sleeves 11 can be welded and connected on the vehicle body mounting rear cross beam 13).
The front suspension mounting support 5, the right suspension mounting support 12 and the left suspension mounting support 15 comprise vertical plates on two sides, one ends of the vertical plates on the two sides are connected through transverse plates, the lower ends of the vertical plates are of right-angle opening structures, and welding surfaces are arranged at the right-angle openings; the upper ends of the vertical plates are inclined planes, and through holes (used for installing suspension bolts) are correspondingly formed in the upper portions of the vertical plates on the two sides. The mounting support can be integrally extruded and formed, so that the tool investment is reduced, and the cost is reduced.
The right front supporting beam 7 and the left front supporting beam 3 incline to the outside, and the outer sides of the upper ends of the left front overlapping beam 2 and the right front overlapping beam 8 are provided with through holes (the through holes are used for installing a sub-frame on the body). According to the structure, the mounting area of the auxiliary frame is increased by the front supporting beam and the front lap-joint beam, and the stress of a mounting framework is reduced.
Lower left swing arm installing support 1 and lower right swing arm installing support 9 include both sides riser, and the both sides riser upper end links to each other through the diaphragm, and lower extreme right angle form open structure in the riser, right angle form opening part are the face of weld, and both sides riser rear lower part correspondence is provided with the through-hole (the through-hole is used for installing swing arm down through the bolt). The lower swing arm mounting bracket of the structure increases the length of a welding seam and reduces stress. Can be extruded and molded, reduces the tool investment and reduces the cost.
The utility model can be made of 6082-T6 material.
Present panel beating punching press adds steel pipe hydraulic forming welding assembly sub vehicle frame weight is 13.6Kg, the utility model discloses each part of back sub vehicle frame can adopt aluminum alloy extrusion, and back sub vehicle frame weight is 8Kg, and weight reduction reaches 41%, satisfies the lightweight requirement. Wherein the left longitudinal beam 6 and the right longitudinal beam 17 are universal in mould; the front, rear, left and right supporting beam molds can be universal; the front cross beam 4, the rear cross beam 14 and the vehicle body mounting rear cross beam 13 can be used universally; the left suspension mounting support 15, the right suspension mounting support 12 and the front suspension mounting support 5 are universal. The universal use of the die can further reduce the cost.
The front beam 4, the rear beam 14 and the vehicle body mounting rear beam 13 are respectively provided with a front suspension mounting support 5, a right suspension mounting support 12 and a left suspension mounting support 15, and the device is suitable for mounting an electric vehicle power assembly.
The utility model discloses back sub vehicle frame is equipped with four mounting points (automobile body installation rear frame sleeve pipe 11, left front overlap joint roof beam 2, right front overlap joint roof beam 8), and every mounting point is equipped with two mounting holes that parallel, reduces stress concentration, reduces the intensity requirement of mounting point.
The utility model discloses back sub vehicle frame is equipped with electric automobile power assembly suspension mounting point (preceding suspension erection support 5, right suspension erection support 12, left suspension erection support 15), is applicable to the electric automobile rear-guard and arranges the requirement.
Through CAE analysis, the utility model discloses back sub vehicle frame satisfies intensity, rigidity, modal, fatigue endurance requirement.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (6)
1. The rear auxiliary frame suitable for the rear-drive aluminum alloy fully-extruded section of the electric automobile comprises a front cross beam (4), a rear cross beam (14), a left longitudinal beam (6) and a right longitudinal beam (17), and is characterized in that one end of the front cross beam (4) is welded with the front end of the left longitudinal beam (6), and the other end of the front cross beam (4) is welded with the front end of the right longitudinal beam (17); one end of the rear cross beam (14) is welded with the rear end of the left longitudinal beam (6), and the other end of the rear cross beam (14) is welded with the rear end of the right longitudinal beam (17);
the lower end of a right rear supporting beam (10) is welded with the rear end of a left longitudinal beam (6), the lower end of a left rear supporting beam (16) is welded with the rear end of a right longitudinal beam (17), the upper end of the right rear supporting beam (10) is welded with one end of a vehicle body mounting rear cross beam (13), and the upper end of the left rear supporting beam (16) is welded with the other end of the vehicle body mounting rear cross beam (13);
the front end of a left longitudinal beam (6) is welded with the lower end of a right front supporting beam (7), the upper end of the right front supporting beam (7) is welded with a right front overlapping beam (8), the front end of a right longitudinal beam (17) is welded with the lower end of a left front supporting beam (3), and the upper end of the left front supporting beam (3) is welded with a left front overlapping beam (2);
and vehicle body mounting rear cross beam sleeves (11) are arranged at two ends of the vehicle body mounting rear cross beam (13).
2. The rear sub-frame suitable for the rear-drive aluminum alloy fully-extruded section of the electric automobile is characterized in that a front suspension mounting support (5) is arranged on the side, close to the right longitudinal beam (17), of the front cross beam (4), a right suspension mounting support (12) is arranged on the side, close to the left longitudinal beam (6), of the rear cross beam (14), a left suspension mounting support (15) is arranged on the side, close to the right longitudinal beam (17), of the rear cross beam (13) for mounting the automobile body, and the left suspension mounting support (15) is closer to the right longitudinal beam (17) than the front suspension mounting support (5).
3. The rear sub-frame suitable for the rear-drive aluminum alloy fully-extruded section of the electric automobile is characterized in that a right lower swing arm mounting bracket (9) is arranged on the left longitudinal beam (6) close to the rear side, and a left lower swing arm mounting bracket (1) is arranged on the right longitudinal beam (17) close to the rear side.
4. The rear sub-frame suitable for the rear-drive aluminum alloy fully-extruded section of the electric automobile is characterized in that the front suspension mounting support (5), the right suspension mounting support (12) and the left suspension mounting support (15) comprise vertical plates at two sides, one ends of the vertical plates at the two sides are connected through a transverse plate, the lower ends of the vertical plates are of right-angle opening structures, and welding surfaces are arranged at the right-angle openings; the riser upper end is the inclined plane, and both sides riser upper portion corresponds is provided with the through-hole.
5. The rear sub-frame made of the aluminum alloy full-extrusion sections and suitable for the rear drive of the electric automobile is characterized in that the right front supporting beam (7) and the left front supporting beam (3) are inclined towards the outside, and through holes are formed in the outer sides of the upper ends of the left front lap beam (2) and the right front lap beam (8).
6. The utility model discloses a be applicable to sub vehicle frame behind electric automobile rear-guard aluminum alloy full extrusion section bar, its characterized in that left side lower swing arm installing support (1) and right side lower swing arm installing support (9) include both sides riser, and both sides riser upper end links to each other through the diaphragm, lower extreme right angle form open structure in the riser, and right angle form opening part is the face of weld, and both sides riser back lower part correspondence is provided with the through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220580940.2U CN217100164U (en) | 2022-03-17 | 2022-03-17 | Be applicable to sub vehicle frame behind electric automobile rear-guard aluminum alloy extruded section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220580940.2U CN217100164U (en) | 2022-03-17 | 2022-03-17 | Be applicable to sub vehicle frame behind electric automobile rear-guard aluminum alloy extruded section bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217100164U true CN217100164U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220580940.2U Active CN217100164U (en) | 2022-03-17 | 2022-03-17 | Be applicable to sub vehicle frame behind electric automobile rear-guard aluminum alloy extruded section bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217100164U (en) |
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2022
- 2022-03-17 CN CN202220580940.2U patent/CN217100164U/en active Active
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