CN220785905U - Light aluminum alloy auxiliary frame - Google Patents
Light aluminum alloy auxiliary frame Download PDFInfo
- Publication number
- CN220785905U CN220785905U CN202322424619.2U CN202322424619U CN220785905U CN 220785905 U CN220785905 U CN 220785905U CN 202322424619 U CN202322424619 U CN 202322424619U CN 220785905 U CN220785905 U CN 220785905U
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- shaped structure
- aluminum alloy
- swing arms
- hollow shell
- lower swing
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- 229910001095 light aluminium alloy Inorganic materials 0.000 title claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 11
- 238000007528 sand casting Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 8
- 238000003908 quality control method Methods 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model provides a light aluminum alloy auxiliary frame, which comprises a rectangular hollow shell, wherein U-shaped structures are symmetrically arranged at two ends of the hollow shell, vehicle body mounting points are arranged at the opening ends of the U-shaped structures, front lower swing arms, rear lower swing arms and stabilizer bar mounting points which are arranged in parallel are sequentially arranged on the front end surface of any U-shaped structure from top to bottom, the front lower swing arms are positioned on the upper straight edges of the transversely arranged U-shaped structures, the rear lower swing arms are positioned at the connection parts of the U-shaped structures and the lower parts of the hollow shell, and front upper swing arms and rear upper swing arms which are arranged in parallel are sequentially arranged on the rear end surface of any U-shaped structure from top to bottom. The auxiliary frame body is integrally sand cast, the inside of the auxiliary frame body is hollow, the wall thickness of the foundation is 4.5mm, the welding quantity is reduced, the welding deformation is reduced, the integral quality control is facilitated, the weight is reduced to the maximum extent under the condition of ensuring the performance, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of automobile aluminum alloy structural parts, in particular to a light aluminum alloy auxiliary frame.
Background
The auxiliary frame is a framework of the front and rear axles and is an important component part of the front and rear axles, and the auxiliary frame has the functions of supporting chassis parts, improving the vibration and noise of a barrier road surface and improving the connection rigidity of a suspension. The auxiliary frame is taken as an indispensable part of an automobile chassis part, and carries very complex load and fatigue failure problems under the working conditions of braking, vertical impact, steering, reversing, accelerating and the like of an automobile. At present, the application of aluminum alloy to the auxiliary frame is more and more common, because the weight reduction effect of the aluminum alloy auxiliary frame is remarkable and better than that of the steel auxiliary frame.
The aluminum alloy auxiliary frame is an important way for realizing the light weight of the new energy automobile by reducing the weight of the automobile, and the new energy automobile becomes a main force army for energy conservation and emission reduction.
Therefore, how to manufacture a light aluminum alloy auxiliary frame which reduces welding quantity, reduces welding deformation, is beneficial to overall quality control and meets the weight reduction effect of an automobile becomes a problem to be solved urgently.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides a light aluminum alloy auxiliary frame to solve at least one technical problem.
The technical scheme of the utility model is as follows: the utility model provides a light aluminum alloy sub vehicle frame, includes integrative sand casting's sub vehicle frame body, the sub vehicle frame body includes rectangular hollow shell, hollow shell's both ends are provided with symmetrical arrangement's U type structure, arbitrary U type structure all transversely arranges, arbitrary U type structure's closed end all is connected with corresponding hollow shell one end, all be provided with the automobile body mounting point on U type structure's the open end, parallel arrangement's preceding lower swing arm has been set gradually from the top down on arbitrary U type structure's the preceding terminal surface, parallel arrangement's back lower swing arm, stabilizer bar mounting point, preceding lower swing arm is located the U type structure upper straight flange of transverse arrangement, back lower swing arm is located U type structure and hollow shell's lower part junction, parallel arrangement's preceding upper swing arm has been set gradually from the top down on arbitrary U type structure's the rear end face, preceding upper swing arm, the last swing arm of back is located the junction of two straight flanges and base of U type structure respectively.
The auxiliary frame body is integrally sand-cast, the inside of the auxiliary frame body is hollow, the base wall thickness is 4.5mm, the welding quantity is reduced, the welding deformation is reduced, the whole quality control is facilitated, the weight is reduced to the maximum under the condition of ensuring the performance, the cost is reduced, the total weight of the auxiliary frame is 8.106KG, and the weight is reduced by 30%; the mounting point of the vehicle body is assembled with the vehicle body by four points; the swing arms which are arranged in parallel form a lifting lug structure, and the mounting points of the swing arms provide mounting clamping surfaces in a machining lifting lug mode; and after the integral casting, uniformly machining the mounting assembly surface and the mounting hole through machining.
Preferably, the lower straight edge of the U-shaped structure is far away from the opening side of the U-shaped structure and provided with a casting boss, a threaded hole is processed on the casting boss, and the stabilizer bar mounting point is located in the threaded hole.
The utility model adopts the casting boss, and the threaded hole is processed on the casting boss, thereby meeting the installation requirement of the stabilizer bar.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a rear view of the present utility model.
Fig. 3 is a section A-A of fig. 2.
In the figure: 1. a vehicle body mounting point; 2. a front lower swing arm; 3. a rear lower swing arm; 4. a stabilizer bar mounting point; 5. a front upper swing arm; 6. and a rear upper swing arm.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-3, the structures, proportions, sizes, etc. shown in the drawings attached hereto are shown only in order to provide a person skilled in the art with the benefit of the present disclosure, and are not intended to limit the scope of the utility model in any way, and any structural modifications, proportional changes, or adjustments of size, which do not have any technical significance, would still fall within the scope of the present disclosure without affecting the efficacy or achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Embodiment one, a light aluminum alloy sub vehicle frame, refer to fig. 1, 2, including integrative sand casting's sub vehicle frame body, the sub vehicle frame body includes rectangular hollow shell, hollow shell's both ends are provided with symmetrical arrangement's U type structure, arbitrary U type structure all transversely arranges, arbitrary U type structure's closed end all is connected with corresponding hollow shell one end, all be provided with automobile body mounting point 1 on U type structure's the open end, parallel arrangement's preceding lower swing arm 2 has been set gradually from the top down on arbitrary U type structure's the preceding terminal surface, parallel arrangement's back lower swing arm 3, stabilizer bar mounting point 4, preceding lower swing arm 2 is located the U type structural straight edge of transverse arrangement, back lower swing arm 3 is located U type structure and hollow shell's lower part junction, parallel arrangement's preceding upper swing arm 5 has been set gradually from the top down on arbitrary U type structure's the rear end face, preceding upper swing arm 5, back upper swing arm 6 is located the junction of two and straight flange of U type structure respectively. The auxiliary frame body is integrally sand-cast, the inside of the auxiliary frame body is hollow, the base wall thickness is 4.5mm, the welding quantity is reduced, the welding deformation is reduced, the whole quality control is facilitated, the weight is reduced to the maximum under the condition of ensuring the performance, the cost is reduced, the total weight of the auxiliary frame is 8.106KG, and the weight is reduced by 30%; the mounting point of the vehicle body is assembled with the vehicle body by four points; the swing arms which are arranged in parallel form a lifting lug structure, and the mounting points of the swing arms provide mounting clamping surfaces in a machining lifting lug mode; and after the integral casting, uniformly machining the mounting assembly surface and the mounting hole through machining.
In the second embodiment, on the basis of the first embodiment, the lower straight sides of the U-shaped structures are all arranged obliquely downwards. The utility model adopts the lower straight edge of the U-shaped structure to be arranged obliquely downwards, thereby meeting the installation requirement of four-point assembly.
In the third embodiment, on the basis of the first embodiment, the front lower swing arm 2 is arranged at a right angle with the front end surface of the U-shaped structure. The utility model adopts the front lower swing arm which is arranged at right angles and the front end surface of the U-shaped structure, thereby meeting the installation requirement of the front lower swing arm.
In the fourth embodiment, on the basis of the first embodiment, the rear lower swing arm 3 is arranged at a right angle with the rear end face of the U-shaped structure. The utility model adopts the rear lower swing arm which is arranged at right angles and the rear end surface of the U-shaped structure, thereby meeting the installation requirement of the rear lower swing arm.
On the basis of the fifth embodiment, a casting boss is arranged on one side, away from the opening of the U-shaped structure, of the lower straight edge of the U-shaped structure, a threaded hole is machined in the casting boss, and a stabilizer bar mounting point 4 is located in the threaded hole. The utility model adopts the casting boss, and the threaded hole is processed on the casting boss, thereby meeting the installation requirement of the stabilizer bar.
In a sixth embodiment, on the basis of the first embodiment, a first through hole is formed in a front end face of a bottom edge of the U-shaped structure. The utility model adopts the first through hole, and reduces the weight to the maximum under the condition of ensuring the performance.
In a seventh embodiment, on the basis of the first embodiment, a second through hole is formed in a rear end face of a connection part of the U-shaped structure and the hollow shell. The utility model adopts the second through hole, and reduces the weight to the maximum under the condition of ensuring the performance.
In an eighth embodiment, based on the first embodiment, a kidney-shaped hole is provided on a front end surface of the hollow shell, and the kidney-shaped hole is arranged along a length direction of the hollow shell. The utility model adopts the waist-shaped holes, and reduces the weight to the maximum under the condition of ensuring the performance.
In a ninth embodiment, referring to fig. 3, a top surface of a lower straight edge of the U-shaped structure is higher than a top surface of an upper straight edge of the U-shaped structure. The utility model adopts the structure that the top surface of the lower straight edge of the U-shaped structure is higher than the top surface of the upper straight edge of the U-shaped structure, thereby meeting the installation requirement of four-point assembly.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (9)
1. The utility model provides a light aluminum alloy sub vehicle frame, includes integrative sand casting's sub vehicle frame body, its characterized in that: the auxiliary frame body comprises a rectangular hollow shell, the two ends of the hollow shell are provided with symmetrically arranged U-shaped structures, the closed end of any one U-shaped structure is connected with one end of the corresponding hollow shell, vehicle body mounting points (1) are arranged at the opening end of the U-shaped structure, front lower swing arms (2) which are arranged in parallel, rear lower swing arms (3) which are arranged in parallel and stabilizer bar mounting points (4) are sequentially arranged on the front end surface of any one U-shaped structure from top to bottom, the front lower swing arms (2) are positioned on the upper straight edges of the U-shaped structure which are arranged in the transverse direction, the rear lower swing arms (3) are positioned at the lower connecting parts of the U-shaped structure and the hollow shell, and front upper swing arms (5) and rear upper swing arms (6) which are arranged in parallel are sequentially arranged on the rear end surface of any one U-shaped structure from top to bottom are respectively positioned at the connecting parts of the two straight edges and the bottom edges of the U-shaped structure.
2. A lightweight aluminum alloy subframe as claimed in claim 1, wherein: the lower straight edges of the U-shaped structures are all arranged obliquely downwards.
3. A lightweight aluminum alloy subframe as claimed in claim 1, wherein: the front lower swing arm (2) is arranged at right angles with the front end face of the U-shaped structure.
4. A lightweight aluminum alloy subframe as claimed in claim 1, wherein: the rear lower swing arm (3) is arranged at right angles with the rear end face of the U-shaped structure.
5. A lightweight aluminum alloy subframe as claimed in claim 1, wherein: the lower straight edge of the U-shaped structure is far away from the opening side of the U-shaped structure, a casting boss is arranged on one side of the opening of the U-shaped structure, and a stabilizer bar mounting point (4) is located in the threaded hole.
6. A lightweight aluminum alloy subframe as claimed in claim 1, wherein: the U-shaped structure is characterized in that a first through hole is formed in the front end face of the bottom edge of the U-shaped structure.
7. A lightweight aluminum alloy subframe as claimed in claim 1, wherein: and a second through hole is formed in the rear end face of the joint of the U-shaped structure and the hollow shell.
8. A lightweight aluminum alloy subframe as claimed in claim 1, wherein: the front end face of the hollow shell is provided with kidney-shaped holes, and the kidney-shaped holes are arranged along the length direction of the hollow shell.
9. A lightweight aluminum alloy subframe as claimed in claim 1, wherein: the top surface of the lower straight edge of the U-shaped structure is higher than the top surface of the upper straight edge of the U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322424619.2U CN220785905U (en) | 2023-09-07 | 2023-09-07 | Light aluminum alloy auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322424619.2U CN220785905U (en) | 2023-09-07 | 2023-09-07 | Light aluminum alloy auxiliary frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220785905U true CN220785905U (en) | 2024-04-16 |
Family
ID=90632260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322424619.2U Active CN220785905U (en) | 2023-09-07 | 2023-09-07 | Light aluminum alloy auxiliary frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220785905U (en) |
-
2023
- 2023-09-07 CN CN202322424619.2U patent/CN220785905U/en active Active
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