CN217170797U - Aluminum alloy auxiliary frame - Google Patents
Aluminum alloy auxiliary frame Download PDFInfo
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- CN217170797U CN217170797U CN202221025627.9U CN202221025627U CN217170797U CN 217170797 U CN217170797 U CN 217170797U CN 202221025627 U CN202221025627 U CN 202221025627U CN 217170797 U CN217170797 U CN 217170797U
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- mounting bracket
- auxiliary frame
- vehicle body
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Abstract
The utility model relates to an aluminum alloy sub vehicle frame, include: the auxiliary frame body is made of high-performance aluminum alloy materials in an integrated mode, a plurality of reinforcing ribs are arranged on the auxiliary frame body and radially distributed on the auxiliary frame body, and a plurality of lightening holes are formed in the auxiliary frame body. The utility model discloses an aluminum alloy structure is guaranteeing under the condition of sub vehicle frame bulk strength and rigidity, has alleviateed the weight of sub vehicle frame greatly, has satisfied the lightweight demand of vehicle.
Description
Technical Field
The utility model relates to a car sub vehicle frame field, concretely relates to aluminum alloy sub vehicle frame.
Background
The auxiliary frame is a framework of a front axle and a rear axle of the automobile, integrates a suspension swing arm mechanism and is an important component of an automobile suspension. The sub vehicle frame of traditional motorcycle type is the steel stamping part basically, and its stamping part is many, welding process is many, shortcoming such as weight is big, and each mounting point is punching press, welded structure, and size precision is difficult to control, easily produces fastener moment loss, and quality problems such as bush installation abnormal sound influence whole car performance timing.
With the requirements of energy conservation and emission reduction in modern society and the requirements of national environmental protection policies, new energy automobiles are gradually popularized, the auxiliary frame of the new energy automobile is required to have good lightweight design requirements besides bearing a motor assembly and ensuring the installation positions of parts such as a steering engine, a control arm, a stabilizer bar and the like so as to meet the quality target of the whole automobile and increase the endurance mileage of the whole automobile, and the existing steel auxiliary frame is heavy and difficult to ensure the precision if applied to new energy automobile types, can influence the achievement of the quality target of the whole automobile and reduce the endurance mileage of the whole automobile.
Disclosure of Invention
The utility model aims at providing an aluminum alloy sub vehicle frame to the not enough that prior art corresponds, it adopts the aluminum alloy structure, under the circumstances of guaranteeing sub vehicle frame bulk strength and rigidity, has alleviateed the weight of sub vehicle frame greatly, has satisfied the lightweight demand of vehicle.
The utility model aims at adopting the following scheme to realize: an aluminum alloy subframe, comprising: the auxiliary frame body is made of high-performance aluminum alloy materials in an integrated mode, a plurality of reinforcing ribs are arranged on the auxiliary frame body and radially distributed on the auxiliary frame body, and a plurality of lightening holes are formed in the auxiliary frame body.
Preferably, the subframe body is cast in an integral manner by high vacuum die casting.
Preferably, the lightening holes are of a square cavity structure or a triangular cavity structure.
Preferably, the high-performance aluminum alloy material of the auxiliary frame body is AlSi10 MnMg.
Preferably, a left front vehicle body mounting bracket is arranged at the upper left corner of the auxiliary frame body, a right front vehicle body mounting bracket is arranged at the upper right corner, a left rear vehicle body mounting bracket is arranged at the lower left corner, and a right rear vehicle body mounting bracket is arranged at the lower right corner;
a left front anti-collision beam mounting bracket is arranged on the right side of the left front vehicle body mounting bracket, and a left front swing arm mounting bracket is arranged below the left front anti-collision beam mounting bracket;
a right front anti-collision beam mounting bracket is arranged on the left side of the right front vehicle body mounting bracket, and a right front swing arm mounting bracket is arranged below the right front anti-collision beam mounting bracket;
a left vehicle body mounting guide pillar is arranged on the left side of the left rear vehicle body mounting bracket, and a left rear swing arm mounting bracket is arranged above the left vehicle body mounting guide pillar;
the right side of the right rear vehicle body mounting bracket is provided with a right vehicle body mounting guide pillar, a right rear swing arm mounting bracket is arranged above the right vehicle body mounting guide pillar, and the left side of the right rear vehicle body mounting bracket is provided with a right exhaust lifting hook mounting bracket.
Preferably, the middle of the auxiliary frame body is provided with a circular bushing hole, the side wall of the bushing hole is provided with a left engine suspension bracket, the right of the bushing hole is provided with a right engine suspension bracket, and the right lower end of the bushing hole is provided with a left exhaust lifting hook mounting bracket.
Preferably, sub vehicle frame body left end strengthening rib intersection is equipped with the left steering gear installing support, the left side of left steering gear installing support is equipped with left stabilizer bar installation boss, sub vehicle frame body right-hand member strengthening rib intersection is equipped with the right steering gear installing support, right steering gear installing support the right is equipped with right stabilizer bar installation boss.
Compared with the prior art, the utility model discloses contain following beneficial effect: fully consider the assembly demand of sub vehicle frame assembly during the design, integrate automobile body, swing arm, steering engine, stabilizer bar, exhaust lifting hook and pencil installing support as far as and wholly make on the sub vehicle frame body and form, through multiobjective optimal design such as topological optimization, wall thickness optimization, appearance optimization, under performance requirements such as satisfying part intensity, rigidity, mode and fatigue endurance, reduce sub vehicle frame self quality. Arranging reinforcing ribs by topology optimization; the solid casting process is adopted, so that the cost and the manufacturing process of the sand core are saved; a high-strength high-toughness ultralight product structure is designed by adopting a high-performance aluminum alloy material; the high vacuum die casting process is adopted, and the metallurgical quality of the product casting is ensured.
Drawings
Fig. 1 is an isometric view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1 to 2, an aluminum alloy subframe includes: sub vehicle frame body 1, sub vehicle frame body 1 adopts high performance aluminum alloy material integrated into one piece preparation, set up a plurality of strengthening ribs 2 on sub vehicle frame body 1, strengthening rib 2 is radial distribution on sub vehicle frame body 1, set up a plurality of lightening holes 3 on the sub vehicle frame body 1. A left front vehicle body mounting bracket 11 is arranged at the upper left corner of the auxiliary vehicle frame body 1, a right front vehicle body mounting bracket 12 is arranged at the upper right corner, a left rear vehicle body mounting bracket 13 is arranged at the lower left corner, and a right rear vehicle body mounting bracket 14 is arranged at the lower right corner; the left front vehicle body mounting bracket 11, the right front vehicle body mounting bracket 12, the left rear vehicle body mounting bracket 13 and the right rear vehicle body mounting bracket 14 are cast with blank precast holes with a design phi of 6mm and are used for initial positioning during machining of a subsequent machine. A left front anti-collision beam mounting bracket 15 is arranged on the right side of the left front vehicle body mounting bracket 11, and a left front swing arm mounting bracket 17 is arranged below the left front anti-collision beam mounting bracket 15; a right front anti-collision beam mounting bracket 16 is arranged on the left side of the right front vehicle body mounting bracket 12, and a right front swing arm mounting bracket 18 is arranged below the right front anti-collision beam mounting bracket 16; a left vehicle body mounting guide pillar 117 is arranged on the left side of the left rear vehicle body mounting bracket 13, and a left rear swing arm mounting bracket 111 is arranged above the left vehicle body mounting guide pillar 117; a right vehicle body mounting guide post 118 is arranged on the right side of the right rear vehicle body mounting bracket 14, a right rear swing arm mounting bracket 112 is arranged above the right vehicle body mounting guide post 118, and a right exhaust hook mounting bracket 120 is arranged on the left side of the right rear vehicle body mounting bracket 14. The middle of sub vehicle frame body 1 is equipped with circular bush hole 4, the lateral wall of bush hole 4 sets up left engine suspension support 19, the right of bush hole 4 is equipped with right engine suspension support 110, the right lower extreme of bush hole 4 is equipped with left exhaust lifting hook installing support 119. The auxiliary frame body comprises an auxiliary frame body 1 and is characterized in that a left steering machine mounting bracket 113 is arranged at the intersection of the left end reinforcing rib 2 of the auxiliary frame body 1, a left stabilizer bar mounting boss is arranged on the left side of the left steering machine mounting bracket 113, a right steering machine mounting bracket 114 is arranged at the intersection of the right end reinforcing rib 2 of the auxiliary frame body 1, and a right stabilizer bar mounting boss is arranged on the right side of the right steering machine mounting bracket 114.
In the embodiment, the auxiliary frame body 1 is formed by high vacuum die casting and integral molding casting, the vacuum degree in a cavity is less than or equal to 90mbar, the pouring temperature is 680-720 ℃, and the temperature control precision in a quantitative heat preservation furnace is less than or equal to +/-2 ℃; and the auxiliary frame body adopts a T5 heat treatment process, and the mechanical properties Rp0.2180Mpa, Rm 270MPa and the elongation rate are 6% after the auxiliary frame body is treated by a T5 process.
The optimal wall thickness of the auxiliary frame body is 3mm-5mm, and the wall thickness of the auxiliary frame body in the embodiment is 4 mm.
The optimum design of the drawing angle of the auxiliary frame is 2-4 degrees, and the drawing angle of the auxiliary frame body of the embodiment is 3 degrees.
The lightening holes 3 are of a square cavity structure or a triangular cavity structure.
The high-performance aluminum alloy material of the auxiliary frame body 1 is AlSi10MnMg, and the aluminum alloy material comprises the following components: 10% of Si, 0.6% of Mn, 0.3% of Mg, Ti: 0.10%, Sr: 0.015%. Fe max0.15, Cu max 0.03.
The above is only the preferred embodiment of the present invention, and is not used for limiting the present invention, the technical personnel in the field are not departing from the spirit of the present invention, right the present invention is modified to fall into the protection scope of the present invention.
Claims (7)
1. An aluminum alloy subframe, comprising: the auxiliary frame body is made of high-performance aluminum alloy materials in an integrated mode, a plurality of reinforcing ribs are arranged on the auxiliary frame body and radially distributed on the auxiliary frame body, and a plurality of lightening holes are formed in the auxiliary frame body.
2. The aluminum alloy subframe of claim 1 wherein: the auxiliary frame body is formed by casting through high-vacuum die-casting integrated molding.
3. The aluminum alloy subframe as set forth in claim 1, wherein: the lightening hole is of a square cavity structure or a triangular cavity structure.
4. The aluminum alloy subframe of claim 1 wherein: the high-performance aluminum alloy material of the auxiliary frame body is AlSi10 MnMg.
5. The aluminum alloy subframe of claim 1 wherein: a left front vehicle body mounting bracket is arranged at the upper left corner of the auxiliary frame body, a right front vehicle body mounting bracket is arranged at the upper right corner, a left rear vehicle body mounting bracket is arranged at the lower left corner, and a right rear vehicle body mounting bracket is arranged at the lower right corner;
a left front anti-collision beam mounting bracket is arranged on the right side of the left front vehicle body mounting bracket, and a left front swing arm mounting bracket is arranged below the left front anti-collision beam mounting bracket;
a right front anti-collision beam mounting bracket is arranged on the left side of the right front vehicle body mounting bracket, and a right front swing arm mounting bracket is arranged below the right front anti-collision beam mounting bracket;
a left vehicle body mounting guide pillar is arranged on the left side of the left rear vehicle body mounting bracket, and a left rear swing arm mounting bracket is arranged above the left vehicle body mounting guide pillar;
the right side of the right rear vehicle body mounting bracket is provided with a right vehicle body mounting guide pillar, a right rear swing arm mounting bracket is arranged above the right vehicle body mounting guide pillar, and the left side of the right rear vehicle body mounting bracket is provided with a right exhaust lifting hook mounting bracket.
6. The aluminum alloy subframe of claim 1 wherein: the auxiliary frame is characterized in that a circular bushing hole is formed in the middle of the auxiliary frame body, a left engine suspension support is arranged on the side wall of the bushing hole, a right engine suspension support is arranged on the right side of the bushing hole, and a left exhaust lifting hook mounting support is arranged at the right lower end of the bushing hole.
7. The aluminum alloy subframe of claim 1 wherein: the auxiliary frame body left end strengthening rib intersection is equipped with the left steering gear installing support, the left side of the left steering gear installing support is equipped with left stabilizer bar installation boss, the auxiliary frame body right-hand member strengthening rib intersection is equipped with the right steering gear installing support, right steering gear installing support the right is equipped with right stabilizer bar installation boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221025627.9U CN217170797U (en) | 2022-04-30 | 2022-04-30 | Aluminum alloy auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221025627.9U CN217170797U (en) | 2022-04-30 | 2022-04-30 | Aluminum alloy auxiliary frame |
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| Publication Number | Publication Date |
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| CN217170797U true CN217170797U (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221025627.9U Active CN217170797U (en) | 2022-04-30 | 2022-04-30 | Aluminum alloy auxiliary frame |
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| CN (1) | CN217170797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352528A (en) * | 2022-09-16 | 2022-11-18 | 岚图汽车科技有限公司 | Front auxiliary frame and vehicle thereof |
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2022
- 2022-04-30 CN CN202221025627.9U patent/CN217170797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352528A (en) * | 2022-09-16 | 2022-11-18 | 岚图汽车科技有限公司 | Front auxiliary frame and vehicle thereof |
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