CN220785903U - Aluminum welding auxiliary frame structure - Google Patents
Aluminum welding auxiliary frame structure Download PDFInfo
- Publication number
- CN220785903U CN220785903U CN202322389973.6U CN202322389973U CN220785903U CN 220785903 U CN220785903 U CN 220785903U CN 202322389973 U CN202322389973 U CN 202322389973U CN 220785903 U CN220785903 U CN 220785903U
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- CN
- China
- Prior art keywords
- tower
- cross beam
- subframe structure
- collision
- aluminum welded
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 33
- 238000003466 welding Methods 0.000 title abstract description 16
- 239000000725 suspension Substances 0.000 claims description 15
- 239000003381 stabilizer Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 4
- 244000309466 calf Species 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses an aluminum welding auxiliary frame structure, and belongs to the technical field of passenger car chassis; the utility model comprises a front cross beam, wherein the two ends of the front cross beam are fixedly connected with a front tower; the rear cross beam is arranged in parallel with the front cross beam, the two ends of the rear cross beam are fixedly connected with a middle rear tower, the tail end of the middle rear tower extends towards the front tower, a crumple beam is connected between the middle rear tower and the front tower and used for enabling the auxiliary frame structure to form a closed square structure.
Description
Technical Field
The utility model relates to the technical field of passenger car chassis, in particular to an aluminum welding auxiliary frame structure.
Background
At present, a front suspension of a middle-high-end new energy passenger vehicle mostly adopts a double-fork-arm independent suspension, and in order to lighten unsprung mass of the suspension and improve endurance mileage of an electric vehicle, light materials for parts are required. The auxiliary frame is used as an important part of the chassis, a plurality of parts can be required to be fixed, the equipment gaps of peripheral parts can be met, the auxiliary frame can be flexibly assembled, can be used for various vehicle models on a platform, and needs to have enough strength and rigidity;
in the prior art, the auxiliary frame is formed by stamping and welding the multipurpose steel plate of the auxiliary frame vehicle, has large weight, poor welding precision and poor rust resistance, is of a four-point installation and non-crumple structure, and cannot meet the collision requirement of the whole vehicle.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides an aluminum welding auxiliary frame structure which can meet the whole vehicle conversion requirement, effectively reduce the weight of a front auxiliary frame, meet the light weight of the whole vehicle, and simultaneously, meet the collision requirement of the whole vehicle due to the arrangement of a crumple structure at the front end, and improve the safety.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model discloses an aluminum welding auxiliary frame structure, which comprises:
the front cross beam is fixedly connected with a front tower at two ends;
the rear cross beam is arranged in parallel with the front cross beam, a middle rear tower is fixedly connected to two ends of the rear cross beam, the tail end of the middle rear tower extends towards the front tower, and a crumple beam is connected between the middle rear tower and the front tower and used for enabling the auxiliary frame structure to form a closed square structure.
Further, the front tower is also provided with an anti-collision calf beam, one end of the anti-collision calf beam is fixedly connected with the front tower, and the other end of the anti-collision calf beam is connected with the front anti-collision beam through a connecting plate.
Further, crushing structures are arranged on the side walls of the anti-collision shank beams.
Further, the side wall of the crumple beam is provided with a crumple structure.
Further, a second mounting bracket and a first connecting point are distributed on the side, far away from the front cross beam, of the front tower, and the second mounting bracket is connected with the front lower swing arm.
Further, sand leakage holes are formed in the lower surface of the front tower.
Further, the middle rear tower is located at the side part of the crumple beam end and is sequentially provided with a third connecting point and a second mounting bracket, the third connecting point protrudes out of the upper surface of the auxiliary frame structure, and the middle rear tower is far away from the crumple beam end and is provided with a second connecting point.
Further, a first mounting surface is formed on the middle rear tower corresponding to the upper surface of the end part of the rear cross beam, and a second mounting surface is formed on the lower surface of the middle rear tower;
the first mounting surface and the second mounting surface are respectively provided with mounting holes, and the mounting holes are respectively connected with the steering gear and the front stabilizer bar.
Further, the front beam is further provided with a first mounting bracket connected with the suspension, and the rear beam is located at a middle position of the front beam side and fixedly connected with the first mounting bracket.
In the technical scheme, the aluminum welding auxiliary frame structure provided by the utility model has the beneficial effects that:
the aluminum welding auxiliary frame structure designed by the utility model can meet the whole vehicle conversion requirement, can effectively reduce the weight of the front auxiliary frame and meet the whole vehicle light-weight target, is a cast aluminum and profile welded frame auxiliary frame, can improve the rigidity and strength of the auxiliary frame, integrally machine the mounting holes of parts, can effectively submit the assembly precision requirement between the mounting holes, is mounted with six points of a vehicle body, further improves the reliability, and is provided with a crumple structure at the front end and an anti-collision beam, thereby meeting the whole vehicle collision requirement.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is an isometric view of an aluminum welded subframe structure of the present disclosure;
FIG. 2 is a front view of an aluminum welded subframe structure of the present disclosure;
FIG. 3 is a left side view of an aluminum welded subframe structure of the present disclosure;
FIG. 4 is a top view of an aluminum welded subframe structure of the present disclosure;
FIG. 5 is a bottom view of an aluminum welded subframe structure of the present disclosure;
FIG. 6 is a schematic view of an anti-collision shank beam structure of an aluminum welded subframe structure of the present disclosure;
FIG. 7 is a schematic illustration of a crush beam of an aluminum welded subframe structure in accordance with the present disclosure;
FIG. 8 is a general assembly view of an aluminum welded subframe structure of the present disclosure;
FIG. 9 is a partial enlarged view of a suspension assembly of an aluminum welded subframe structure of the present disclosure;
FIG. 10 is an enlarged view of the front and rear swing arms of an aluminum welded subframe structure of the present utility model;
FIG. 11 is an enlarged view of a front stabilizer bar assembly of an aluminum welded subframe structure in accordance with the present disclosure;
fig. 12 is an enlarged view of a portion of an aluminum welded subframe structural steering gear assembly in accordance with the present disclosure.
Reference numerals illustrate:
a front cross member 1; a rear cross member 2; a front tower 3; a middle and rear tower 4; a crush beam 5; an anti-collision shank beam 6; a crush structure 7;
a first mounting bracket 21;
a second mounting bracket 31; sand holes 32; a first connection point 33;
a third connection point 41; a third mounting bracket 42; a first mounting surface 43; a second mounting surface 44; a second connection point 45;
a connection plate 61;
a suspension 100;
a front lower swing arm 200;
a rear lower swing arm 300;
a front stabilizer bar 400;
a diverter 500.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
See fig. 1-5;
the utility model discloses an aluminum welding auxiliary frame structure, which comprises:
a front cross beam 1, two ends of which are fixedly connected with a front tower 3;
the rear cross beam 2 is arranged in parallel with the front cross beam 1, two ends of the rear cross beam 2 are fixedly connected with the middle rear tower 4, the tail end of the middle rear tower 4 extends towards the front tower 3, a crumple beam 5 is connected between the middle rear tower 4 and the front tower 3, the structure is connected and encircled by the front cross beam 1, the front tower 3, the crumple beam 5, the middle rear tower 4 and the rear cross beam 2 in sequence through a welding process to form a closed auxiliary frame structure in a square shape, the auxiliary frame structure is connected with a vehicle body through bolts, interfaces are provided for the suspension 100, the front lower swing arm 200, the rear lower swing arm 300, the front stabilizer bar 400 and the steering gear 500, as shown in fig. 8, a driving force is provided for the whole vehicle through assembling the suspension 100, the suspension is supported and guided by assembling the front lower swing arm 200 and the rear lower swing arm 300, the stability of the whole vehicle is kept, the roll rigidity of the whole vehicle is provided through assembling the stabilizer bar 400, and the steering gear 500 is provided for the whole vehicle;
see fig. 4;
preferably, the front tower 3 also comprises an anti-collision shank beam 6, one end of which is fixedly connected with the front tower 3, and the other end of which is connected with the front anti-collision beam through a connecting plate 61. The front sides of the two front towers 3 of the aluminum welding auxiliary frame structure are symmetrically welded with the anti-collision shank beams 6, the tail ends of the anti-collision shank beams 6 are connected with the front anti-collision beams through the connecting plates 61, the front cross beam 1, the rear cross beam 2 and the crumple beams 5 are all sectional materials, the front tower 3 and the middle rear tower 4 are formed through casting processes, the auxiliary frame structure is a frame auxiliary frame after assembly welding, the integral structural strength of parts can be improved, the integral machining forming of all part assembly holes on the auxiliary frame after welding is achieved, and the precision requirements among part assembly holes are effectively improved.
See fig. 6, 7;
preferably, the side walls of the anti-collision calf beam 6 and the crumple beam 5 are uniformly provided with crumple structures 7, the anti-collision calf beam 16 is provided with crumple structures 7, the crumple beam is installed with the anti-collision beam to provide an energy absorption crumple effect for the whole car collision, and the crumple beam 5 is provided with crumple structures 7, so that the energy absorption crumple effect is further provided for the whole car collision.
See fig. 1, 4, 10;
preferably, the side of the front tower 3 away from the front cross beam 1 is provided with a second mounting bracket 31 and a first connecting point 33, and the second mounting bracket 31 is fixedly connected with the front lower swing arm 200 through a bolt assembly. Referring to fig. 5, a sand leakage hole 32 is formed in the lower surface of the front tower 3.
The middle rear tower 4 is located the side portion of the end of the crumple beam 5 and is sequentially provided with a third connecting point 41 and a third mounting bracket 42, the third connecting point 41 protrudes out of the upper surface of the auxiliary frame structure, the middle rear tower 4 is far away from the end of the crumple beam 5 and is provided with a second connecting point 45, the auxiliary frame structure is formed, the top end of a vehicle body connecting point is connected with the vehicle body through bolts, the mounting position can be provided for front suspension components and motors, the rigidity and the strength of the vehicle body can be enhanced through connection with the vehicle body, as shown in fig. 10, the rigidity and the strength of the vehicle body are enhanced, the vehicle body is fixedly connected with the front lower swing arm 200 through the second mounting bracket 31, the vehicle body is fixedly connected with the rear lower swing arm 300 through the third mounting bracket 42, the vehicle body is guided and supported, the vehicle wheel positioning is controlled, and the stability of the whole vehicle is improved:
see fig. 4, 5;
preferably, the middle rear tower 4 is provided with a first mounting surface 43 corresponding to the upper surface of the end part of the rear cross beam 2, and a second mounting surface 44 on the lower surface; the first mounting surface 43 and the second mounting surface 44 are each provided with a mounting hole, and are fixedly connected to the steering gear 500 and the front stabilizer bar 400 by means of bolt connection, as shown in fig. 11 and 12. The front stabilizer bar 400 provides roll rigidity of the whole vehicle, and the steering device 15 provides steering function for the whole vehicle;
the subframe structure further includes a first mounting bracket 21 for connecting with the suspension 100, and the first mounting bracket 21 is fixedly connected to the rear cross member 2 at a position located at a middle side of the front cross member 1. As shown in fig. 9, the first mounting bracket 21 is connected to the suspension 100 by a bolt assembly, and then the suspension 100 is connected to the power assembly to provide driving force to the whole vehicle.
In the technical scheme, the aluminum welding auxiliary frame structure has the beneficial effects that compared with the prior art, the auxiliary frame structure is high in structural strength and reliability, and each part is high in assembly precision, light-weight design is met, the collision requirement of the whole automobile is met, and the safety is improved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (9)
1. An aluminum welded subframe structure, comprising:
a front cross beam (1), two ends of which are fixedly connected with a front tower (3);
rear cross beam (2), its with preceding crossbeam (1) parallel arrangement, rear cross beam (2) both ends have linked firmly well rear tower (4), well rear tower (4) end orientation preceding tower (3) extend, just well rear tower (4) with be connected with between preceding tower (3) and collapse roof beam (5), be used for making sub vehicle frame structure forms confined mouth style of calligraphy structure.
2. An aluminum welded subframe structure in accordance with claim 1, wherein;
the front tower is characterized by further comprising an anti-collision shank beam (6), one end of the anti-collision shank beam is fixedly connected with the front tower (3), and the other end of the anti-collision shank beam is connected with the front anti-collision beam through a connecting plate (61).
3. An aluminum welded subframe structure in accordance with claim 2, wherein;
crushing structures (7) are arranged on the side walls of the anti-collision shank beams (6).
4. An aluminum welded subframe structure in accordance with claim 1, wherein;
crushing structures (7) are arranged on the side walls of the crushing beams (5).
5. An aluminum welded subframe structure in accordance with claim 1, wherein;
the front tower (3) is far away from the side of the front cross beam (1) and is provided with a second mounting bracket (31) and a first connecting point (33), and the second mounting bracket (31) is connected with the front lower swing arm (200).
6. An aluminum welded subframe structure in accordance with claim 5, wherein;
and sand leakage holes (32) are formed in the lower surface of the front tower (3).
7. An aluminum welded subframe structure in accordance with claim 1, wherein;
the middle rear tower (4) is located at the side part of the end of the crumple beam (5) and is sequentially provided with a third connecting point (41) and a third mounting bracket (42), the third connecting point (41) protrudes out of the upper surface of the auxiliary frame structure, and the middle rear tower (4) is far away from the end of the crumple beam (5) and is provided with a second connecting point (45).
8. The aluminum welded subframe structure of claim 7 wherein;
a first mounting surface (43) is formed on the upper surface of the middle rear tower (4) corresponding to the end part of the rear cross beam (2), and a second mounting surface (44) is formed on the lower surface;
the first mounting surface (43) and the second mounting surface (44) are provided with mounting holes, and the mounting holes are respectively connected with the steering gear (500) and the front stabilizer bar (400).
9. An aluminum welded subframe structure in accordance with claim 1, wherein;
the novel suspension device is characterized by further comprising a first mounting bracket (21) connected with the suspension (100), wherein the first mounting bracket (21) is fixedly connected with the rear cross beam (2) at the middle position of the side of the front cross beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322389973.6U CN220785903U (en) | 2023-09-04 | 2023-09-04 | Aluminum welding auxiliary frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322389973.6U CN220785903U (en) | 2023-09-04 | 2023-09-04 | Aluminum welding auxiliary frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220785903U true CN220785903U (en) | 2024-04-16 |
Family
ID=90652902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322389973.6U Active CN220785903U (en) | 2023-09-04 | 2023-09-04 | Aluminum welding auxiliary frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220785903U (en) |
-
2023
- 2023-09-04 CN CN202322389973.6U patent/CN220785903U/en active Active
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