CN222512248U - A small welded frame-shaped all-aluminum front subframe - Google Patents
A small welded frame-shaped all-aluminum front subframe Download PDFInfo
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- CN222512248U CN222512248U CN202421314044.7U CN202421314044U CN222512248U CN 222512248 U CN222512248 U CN 222512248U CN 202421314044 U CN202421314044 U CN 202421314044U CN 222512248 U CN222512248 U CN 222512248U
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- shaped
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- auxiliary frame
- cross beam
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 51
- 238000005266 casting Methods 0.000 claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000005493 welding type Methods 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 claims description 6
- 210000001624 hip Anatomy 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 18
- 230000003068 static effect Effects 0.000 abstract description 8
- 238000001125 extrusion Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Body Structure For Vehicles (AREA)
Abstract
本实用新型提供了一种小型拼焊式框形全铝前副车架，包括副车架本体，副车架本体为“日”字形框式副车架，所述“日”字形框式副车架包括两根对称布置的纵梁，任意一根纵梁均由前端铸件和后端铝梁焊接而成，前端铸件为弧形结构，弧形结构的一端与后端铝梁连接，弧形结构的另一端朝向远离前横梁的一侧弯曲；前端铸件的横截面为两个上下连接的“7”字型结构，“7”字型结构的夹角内设置有螺栓安装空间，螺栓安装空间为凹陷结构。本实用新型的前横梁、中横梁、后横梁、后端铝梁均采用挤压铝合金型材，可较好的提升副车架动、静刚度，强度等机械力学性能；前端左、右铸件摆臂安装处设计了凹陷结构，为安装调节螺栓提供扳手空间。
The utility model provides a small welded frame-shaped all-aluminum front subframe, including a subframe body, the subframe body is a "日"-shaped frame subframe, the "日"-shaped frame subframe includes two symmetrically arranged longitudinal beams, any one of which is welded by a front casting and a rear aluminum beam, the front casting is an arc structure, one end of the arc structure is connected to the rear aluminum beam, and the other end of the arc structure is bent toward the side away from the front cross beam; the cross section of the front casting is two "7"-shaped structures connected up and down, and a bolt installation space is provided in the angle of the "7"-shaped structure, and the bolt installation space is a recessed structure. The front cross beam, middle cross beam, rear cross beam, and rear aluminum beam of the utility model are all made of extruded aluminum alloy profiles, which can better improve the dynamic and static stiffness, strength and other mechanical properties of the subframe; the front left and right casting swing arm installation places are designed with recessed structures to provide wrench space for installing adjustment bolts.
Description
Technical Field
The utility model relates to the technical field of automobile aluminum alloy structural parts, in particular to a small splice welding type frame-shaped all-aluminum front auxiliary frame.
Background
In recent years, due to the vigorous development of new energy automobiles, the light weight requirements of the automobiles are more and more strong, and aluminum alloy is widely applied to automobile parts due to the high specific strength, particularly in chassis systems, an aluminum alloy auxiliary frame has become the standard of high-end new energy automobiles, and the auxiliary frame is at least 35% weight-reduced by adopting the steel with the whole aluminum ratio in the same design, so that the automobile is light in weight, the cruising mileage is improved, and the automobile bears very complex load and fatigue failure problems under the working conditions of braking, vertical impact, steering, reversing, accelerating and the like.
The extrusion aluminum alloy section bar can better promote mechanical properties such as dynamic and static rigidity, strength and the like of the auxiliary frame, and has the technical defect that the extrusion aluminum alloy section bar cannot realize complex space design.
Therefore, how to design a small-sized splice welding type frame-shaped all-aluminum front auxiliary frame with complex space design by combining two processes of extruding aluminum alloy sections and casting aluminum alloy becomes a problem to be solved urgently.
Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model provides a small splice welding type frame-shaped all-aluminum front auxiliary frame for solving at least one technical problem.
The technical scheme is that the small splice welding type frame-shaped all-aluminum front auxiliary frame comprises an auxiliary frame body, wherein the auxiliary frame body is a Y-shaped frame type auxiliary frame, the Y-shaped frame type auxiliary frame comprises two symmetrically arranged longitudinal beams, a front cross beam, a middle cross beam and a rear cross beam are sequentially arranged between the two longitudinal beams from front to back, any longitudinal beam is formed by welding a front end casting and a rear end aluminum beam, the front end casting is of an arc-shaped structure, one end of the arc-shaped structure is connected with the rear end aluminum beam, the other end of the arc-shaped structure is bent towards one side far from the front cross beam, the cross section of the front end casting is of a 7-shaped structure, a transverse plate of the 7-shaped structure above is provided with a front mounting point of a vehicle body, the front mounting point of the vehicle body is located at one side far from the front cross beam, a bolt mounting space is arranged in an included angle of the 7-shaped structure, the two bolt mounting spaces are all located on one end face far from the middle cross beam, the side of any rear end aluminum beam is provided with a rear mounting bracket, the rear mounting bracket is arranged on the side of the rear mounting bracket, and the rear mounting bracket is a U-shaped swing arm is arranged along the transverse swing arm of the U-shaped structure, and the U-shaped bracket is extruded along the two U-shaped swing arm.
The utility model adopts a light all-aluminum front auxiliary frame combining two processes of extruding aluminum alloy sections and casting aluminum alloy, a front end casting of the light all-aluminum front auxiliary frame adopts an aluminum die-casting process, the complex space design is realized, the aluminum alloy casting only accounts for about 25% of the total weight of the auxiliary frame, the front cross beam, the middle cross beam, the rear cross beam and the rear end aluminum beam are all made of extruded aluminum alloy sections, the dynamic and static rigidity, the strength and other mechanical properties of the auxiliary frame can be well improved, all aluminum alloy parts adopt welding processes, the auxiliary frame performance and the yield are ensured, the weight is reduced by at least more than 30%, the light all-aluminum front auxiliary frame can be used as a four-wheel auxiliary frame, the rear swing arm mounting bracket adopts a 'groined' extruded section, the extrusion direction is the transverse direction of the rear end aluminum beam, the welding space between the rear end aluminum beam and the longitudinal beam is prolonged, the Z 'direction and the X' direction dynamic and static rigidity of the swing arm bracket are effectively improved, the assembly hole site is machined through an assembly machine after the welding is finished, the assembly precision is ensured, the rigidity and the strength of the product are increased, the front cross beam, the middle cross beam, the rear cross beam and the rear end aluminum beam are all provided with 1-3 kg reinforcing ribs in the front end aluminum beam, the weight is 15.5 kg, the weight of the auxiliary frame is only, the front swing arm mounting bracket is provided with a concave mounting structure, and the right-side spanner is designed, and the space is adjusted.
Preferably, the middle cross beam is a hollow beam, the cross section of the hollow beam is a trapezoid cross section, the trapezoid cross section is of a right trapezoid structure, reinforcing ribs are arranged in the trapezoid cross section and perpendicular to the inclined plane of the right trapezoid structure, and a first suspension frame is arranged on the inclined plane of the right trapezoid structure. The two ends of the middle cross beam penetrate through the front end casting and are welded, reinforcing ribs are arranged in the trapezoid cross section and located between the right angles and the inclined planes of the right trapezoid structures, and the reinforcing ribs are perpendicular to the inclined planes of the right trapezoid structures.
The middle cross beam adopts the extrusion section of the right trapezoid structure, the reinforcing ribs are added on the inclined plane perpendicular to the right trapezoid structure, and the dynamic and static rigidity and strength of the front suspension in the Z direction and the X direction are improved.
Drawings
Fig. 1 is a three-dimensional view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a bottom view of the present utility model.
Fig. 4 is a rear view of the present utility model.
Fig. 5 is a left side view of the present utility model.
Fig. 6 is a schematic diagram of the mounting structure of the rear end aluminum beam and the rear swing arm mounting bracket of the present utility model.
In the drawings, a front end casting part, a front cross beam, a middle cross beam, a rear cross beam, a stabilizer bar mounting boss, a steering gear mounting boss, a suspension mounting point, a bolt mounting space, a rear swing arm mounting bracket, a front mounting point, a vehicle body rear mounting point, a rear end aluminum beam, a reinforcing rib, a trapezoid cross section and a 303.C type welding interface are respectively arranged in the specification.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-6, 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 which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the objects achieved by the present utility model, are deemed to fall within the ambit of the technical disclosure. 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.
An embodiment I, a small-size welding frame shape all-aluminum front subframe, refer to fig. 1, fig. 2, fig. 3, fig. 4, including the subframe body, the subframe body is "day" font frame subframe, "day" font frame subframe includes two symmetrical arrangement's longerons, front crossbeam 2 has been set gradually before to after between two longerons, middle crossbeam 3, rear crossbeam 4, arbitrary piece longeron is formed by front end foundry goods 1 and rear end aluminium roof beam 13 welding, front end foundry goods 1 is arc structure, arc structure's one end is connected with rear end aluminium roof beam 13, arc structure's the other end is crooked towards the one side of keeping away from front crossbeam 2, front end foundry goods 1's cross section is two "7" style of calligraphy structures of connecting from top, riser one end is kept away from and is provided with mounting point 11 before the automobile body, mounting point 11 is located the one side of keeping away from front crossbeam 2, be provided with bolt installation space 8 in the contained angle of "7" style of construction, bolt installation space 8 is the concave structure, two bolt installation space 8 are located the up end face that keeps away from middle crossbeam 3 one side. The utility model adopts a light all-aluminum front auxiliary frame combining two processes of extruding aluminum alloy sections and casting aluminum alloy, a front end casting of the light all-aluminum front auxiliary frame adopts an aluminum die-casting process, realizes a complex space design, and has the advantages that the aluminum alloy casting only accounts for about 25 percent of the total weight of the auxiliary frame, the front cross beam, the middle cross beam, the rear cross beam and the rear end aluminum beam are all extruded aluminum alloy sections, the dynamic and static rigidity, the strength and other mechanical properties of the auxiliary frame can be better improved, all aluminum alloy parts adopt welding processes, the performance and the yield of the auxiliary frame are ensured, the weight is reduced by at least more than 30 percent, the light all-aluminum front auxiliary frame can be used as a four-wheel auxiliary frame, the assembly surface and the installation hole site are machined through an assembly after the welding is finished, the assembly precision is ensured, the weight is increased, the weight of the auxiliary frame is only 15.5 kg, the installation positions of the left and right casting swing arms of the front end are designed with concave structures, the spanner space is provided for installing adjusting bolts, the welding interfaces of the front cross beam, the middle cross beam and the front end casting adopt C-shaped interfaces, and the front end casting are welded interfaces.
In the second embodiment, on the basis of the first embodiment, the middle cross beam 3 is a hollow beam, the cross section of the hollow beam is a trapezoid cross section 302, the trapezoid cross section 302 is of a right trapezoid structure, the trapezoid cross section 302 is internally provided with a reinforcing rib 301, the reinforcing rib 301 is perpendicular to an inclined plane of the right trapezoid structure, and a first suspension frame is arranged on the inclined plane of the right trapezoid structure. The middle cross beam adopts a trapezoid extrusion section, reinforcing ribs are added perpendicular to a trapezoid inclined plane, and dynamic and static rigidity and strength of the front suspension in the Z direction and the X direction are improved.
In the third embodiment, on the basis of the second embodiment, the first suspension frame is a first U-shaped bracket, the upper bottom and the lower bottom of the right trapezoid structure are both flush with the horizontal plane, the opening of the first U-shaped bracket faces one side of the rear cross beam 4, the two ends of the top surface of the rear cross beam 4 are respectively provided with a second suspension frame, the first suspension frame and the two second suspension frames form suspension installation points 7, the second suspension frames comprise round tubes, and the axial directions of the round tubes are arranged in the same direction along the longitudinal direction of the rear end aluminum beam 13. The utility model adopts a first suspension frame and two second suspension frames to form suspension mounting points.
In the fourth embodiment, on the basis of the second embodiment, two ends of the middle cross beam 3 penetrate through the front end casting 1 and then are welded, and the reinforcing rib 301 is located between the right angle and the inclined plane of the right trapezoid structure. According to the utility model, the welding interface of the middle cross beam and the front end casting adopts the C-shaped interface, and the inclined-pulling reinforcing ribs are added at the welding C-shaped interface of the left front end casting and the right front end casting and the middle cross beam, so that the rigidity and the strength of the middle cross beam in the X direction are improved.
In the fifth embodiment, on the basis of the first embodiment, the waist of the right trapezoid structure is provided with positioning plates, the positioning plates are all flush with the horizontal plane, the corresponding positions of the front end casting 1 and the positioning plates are provided with C-shaped welding interfaces 303, and the positioning plates are located in the C-shaped welding interfaces 303. The middle cross beam is provided with the positioning plates on the two waists of the right trapezoid structure, and is installed and positioned in the front end casting through the positioning plates, so that the inclined plane angle of the right trapezoid structure is ensured.
On the basis of the sixth embodiment, a front mounting point 11, a stabilizer bar mounting boss 5 and a steering gear mounting boss 6 are sequentially arranged on one side, facing the rear aluminum beam 13, of the top surface of the front end casting 1, the stabilizer bar mounting boss 5 is a cast kidney-shaped long boss, and the steering gear mounting boss 6 is a cast circular boss. The utility model adopts two front end castings to respectively arrange a rear mounting point of a vehicle body so as to realize two-point mounting of the front end of the auxiliary frame and the vehicle body, wherein the stabilizer bar mounting boss is a cast kidney-shaped long boss, a threaded hole is processed to provide a stabilizer bar mounting point and a surface, and the steering machine mounting boss is a cast circular boss, a threaded hole is processed to provide a steering machine mounting point and a surface.
In the seventh embodiment, on the basis of the first embodiment, the rear cross member 4 is provided with vehicle body rear mounting points 12 at both ends thereof, respectively. The utility model adopts the two ends of the rear cross beam to respectively arrange the rear mounting points of the vehicle body, realizes the two-point mounting of the connection of the rear end of the auxiliary frame and the vehicle body, and adopts four-point mounting altogether for the connection of the auxiliary frame and the vehicle body.
On the basis of the eighth embodiment, referring to fig. 6, the side surface of any one of the rear end aluminum beams 13 is provided with a rear swing arm mounting bracket 9, the rear swing arm mounting bracket 9 is a "well" shaped extrusion profile, one end of the "well" shaped extrusion profile, which is transversely arranged along the rear end aluminum beam 13, is a second U-shaped bracket, and an opening of the second U-shaped bracket faces to a side far away from the middle cross beam 3. The rear swing arm mounting bracket adopts the 'well' -shaped extruded profile, the extrusion direction is the Y direction, the welding space between the rear swing arm mounting bracket and the longitudinal beam is prolonged, and the side inclined support is added, so that the dynamic and static rigidity of the swing arm bracket in the Z direction and the X direction is effectively improved.
According to the ninth embodiment, on the basis of the first embodiment, the front swing arm mounting brackets 10 are arranged on the bottom surface of any front end casting 1, the front swing arm mounting brackets 10 are obliquely arranged, and extension points of the two front swing arm mounting brackets 10 intersect at one side close to the front cross beam 2. The front swing arm mounting bracket provides a mounting clamping surface through a machined lifting lug.
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 (8)
1. The small splice welding type frame-shaped all-aluminum front auxiliary frame comprises an auxiliary frame body, wherein the auxiliary frame body is a Chinese character 'ri' -shaped frame-type auxiliary frame, and is characterized in that the Chinese character 'ri' -shaped frame-type auxiliary frame comprises two symmetrically arranged longitudinal beams, a front transverse beam (2), a middle transverse beam (3) and a rear transverse beam (4) are sequentially arranged between the two longitudinal beams from front to back, any longitudinal beam is formed by welding a front end casting (1) and a rear end aluminum beam (13), the front end casting (1) is of an arc-shaped structure, one end of the arc-shaped structure is connected with the rear end aluminum beam (13), and the other end of the arc-shaped structure is bent towards one side far away from the front transverse beam (2);
The cross section of the front end casting (1) is of a 7-shaped structure which is connected up and down, a vehicle front mounting point (11) is arranged at one end, far away from the vertical plate, of a transverse plate of the 7-shaped structure above, and the vehicle front mounting point (11) is positioned at one side, far away from the front cross beam (2);
A bolt installation space (8) is arranged in the included angle of the 7-shaped structure, the bolt installation space (8) is of a concave structure, and the two bolt installation spaces (8) are both positioned on the end face of one side far away from the middle cross beam (3);
The side of any rear end aluminum beam (13) is provided with a rear swing arm mounting bracket (9), the rear swing arm mounting bracket (9) is a 'well' -shaped extruded section, and one end of the 'well' -shaped extruded section, which is transversely arranged along the rear end aluminum beam (13), is a second U-shaped bracket.
2. The small splice welding type frame-shaped all-aluminum front auxiliary frame disclosed by claim 1 is characterized in that the middle cross beam (3) is a hollow beam, the cross section of the hollow beam is a trapezoid cross section (302), the trapezoid cross section (302) is of a right trapezoid structure, reinforcing ribs (301) are arranged in the trapezoid cross section (302), the reinforcing ribs (301) are perpendicular to the inclined plane of the right trapezoid structure, and a first suspension frame is arranged on the inclined plane of the right trapezoid structure.
3. The small splice welding type frame-shaped all-aluminum front auxiliary frame disclosed in claim 2 is characterized in that the first suspension frame is a first U-shaped support, the upper bottom and the lower bottom of the right trapezoid structure are all flush with a horizontal plane, an opening of the first U-shaped support faces one side of the rear cross beam (4), second suspension frames are respectively arranged at two ends of the top surface of the rear cross beam (4), the first suspension frame and the two second suspension frames form suspension mounting points (7), and the second suspension frames comprise round tubes which are axially arranged in the same direction along the longitudinal direction of the rear end aluminum beam (13).
4. The small splice welding type frame-shaped all-aluminum front auxiliary frame according to claim 2, wherein two ends of the middle cross beam (3) penetrate through the front end casting (1) and are welded, and the reinforcing ribs (301) are located between right angles and inclined planes of the right angle trapezoid structure.
5. The small splice welding type frame-shaped all-aluminum front auxiliary frame disclosed by claim 2 is characterized in that positioning plates are arranged on the waists of the right trapezoid structures and are flush with a horizontal plane, C-shaped welding interfaces (303) are arranged at corresponding positions of front end castings (1) and the positioning plates, and the positioning plates are positioned in the C-shaped welding interfaces (303).
6. The small splice welding type frame-shaped all-aluminum front auxiliary frame disclosed in claim 5 is characterized in that a front mounting point (11), a stabilizer bar mounting boss (5) and a steering machine mounting boss (6) are sequentially arranged on one side, facing a rear aluminum beam (13), of the top surface of any front end casting (1).
7. The small splice welding type frame-shaped all-aluminum front auxiliary frame according to claim 1, wherein vehicle body rear mounting points (12) are respectively arranged at two ends of the rear cross beam (4).
8. The small splice welding type frame-shaped all-aluminum front auxiliary frame according to claim 1, wherein the opening of the second U-shaped bracket faces to one side far away from the middle cross beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421314044.7U CN222512248U (en) | 2024-06-11 | 2024-06-11 | A small welded frame-shaped all-aluminum front subframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421314044.7U CN222512248U (en) | 2024-06-11 | 2024-06-11 | A small welded frame-shaped all-aluminum front subframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222512248U true CN222512248U (en) | 2025-02-21 |
Family
ID=94617530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421314044.7U Active CN222512248U (en) | 2024-06-11 | 2024-06-11 | A small welded frame-shaped all-aluminum front subframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222512248U (en) |
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2024
- 2024-06-11 CN CN202421314044.7U patent/CN222512248U/en active Active
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