CN216916017U

CN216916017U - Novel aluminum alloy sub vehicle frame of full extrusion

Info

Publication number: CN216916017U
Application number: CN202123205347.4U
Authority: CN
Inventors: 罗世兵; 姚李军; 万光强; 周卫林; 于亚静; 杨振; 王立忠; 刘宇; 张兴状; 李栋
Original assignee: Shanghai Zesheng Automobile Technology Co ltd
Current assignee: Guangqi Honda Automobile Research and Development Co Ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-08
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a full-extrusion novel aluminum alloy auxiliary frame, wherein front towers which are arranged in a mirror image mode are arranged on a front cross beam, any one front tower is connected with a rear cross beam through a longitudinal beam and a swing arm front bracket in sequence, a rear suspension bracket penetrating through the rear cross beam is arranged on the rear cross beam, and a swing arm rear bracket which is arranged in a mirror image mode is arranged on one side, far away from the swing arm front bracket, of the rear suspension bracket. The swing arm assembly integrates the vehicle body mounting bracket and the swing arm front bracket into a whole, so that the rigidity of a second vehicle body mounting point is improved, and the improvement of the controllability of the whole vehicle is facilitated; rear swing arm support has designed rear car body mounting point and swing arm rear mounting point, matches the welding through U type grafting form and crossbeam simultaneously, has increased the bulk rigidity.

Description

Novel aluminum alloy sub vehicle frame of full extrusion

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a full-extrusion novel aluminum alloy auxiliary frame.

Background

In recent years, the demand for lightweight automobiles is higher and higher, and aluminum alloy is applied to structural members of various systems of automobiles in large quantities due to high specific strength, and particularly, the application of aluminum alloy is more and more in the field of auxiliary frames of chassis. In addition, the safety level requirements of automobiles are also higher and higher.

How to increase welding strength, how to set up the mounting point and increase overall structure's rigidity, reduce the welding, become the problem that the solution is badly needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a full-extrusion novel 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 novel aluminum alloy sub vehicle frame of full extrusion, includes the front beam, be provided with on the front beam each other for the preceding pylon that the mirror image was arranged, arbitrary preceding pylon loops through longeron, swing arm fore-stock and is connected with the back beam, is provided with the rear suspension support that runs through it on the back beam, and the one side of keeping away from the swing arm fore-stock on the rear suspension support is provided with the swing arm after-poppet that each other is the mirror image and arranges.

The swing arm assembly integrates the vehicle body mounting bracket and the swing arm front bracket into a whole, so that the rigidity of a second vehicle body mounting point is improved, and the improvement of the controllability of the whole vehicle is facilitated; the rear swing arm support is designed with a rear vehicle body mounting point and a swing arm rear mounting point, and meanwhile, the rear swing arm support is matched and welded with the cross beam through a U-shaped splicing form, so that the overall rigidity is increased.

Preferably, the two front towers correspond to the left front tower and the right front tower respectively, first openings of C-shaped structures are formed in the left front tower and the right front tower respectively, and the two first openings are connected with two ends of the front cross beam respectively. The two longitudinal beams respectively correspond to the left longitudinal beam and the right longitudinal beam, a second opening of an L-shaped structure is formed in one end, connected with the left front tower frame, of the left longitudinal beam, and a third opening of the L-shaped structure is formed in one end, connected with the right front tower frame, of the right longitudinal beam.

The C-shaped structure is adopted for splicing and welding after being matched with the front cross beam, and the longitudinal beam and the front tower are connected in an L-shaped lap joint mode, so that the welding strength is reliable; the left tower and the right tower are integrated with a third vehicle body mounting point and a left front suspension mounting point and a right front suspension mounting point, so that the rigidity is increased, and welding is reduced.

Drawings

Fig. 1 is a schematic view of the mounting structure of the present invention.

FIG. 2 is a front view of the swing arm front bracket, swing arm rear bracket and rear cross member of the present invention.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a schematic view of the mounting structure of the front tower and the cross beam of the present invention.

Fig. 5 is a schematic structural view of a front side member according to the present invention.

In the figure: 1. a left front tower; 2. a left stringer; 3. a left swing arm front support; 4. a sleeve is arranged on the left side of the steering engine; 5. a rear suspension bracket; 6. the left stabilizer bar is provided with a sleeve; 7. a left swing arm rear support; 8. a right swing arm rear bracket; 9. the right stabilizer bar is provided with a sleeve; 10. a sleeve is arranged behind the steering engine; 11. a sleeve is arranged on the right side of the steering engine; 12. a right swing arm front support; 13. a right stringer; 14. a front cross member; 15. a right front tower; 16. a first body mounting point; 17. a rear mounting point of the swing arm; 18. a second body mounting point; 19. a swing arm front mounting point; 20. a first weld; 21. a second weld; 22. a third body mount point; 23. a front suspension mounting point; 24. a third weld; 25. collapsing the hole; 26. and a fourth weld.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The embodiment one, a novel aluminum alloy sub vehicle frame of full extrusion, refer to fig. 1, including front beam 14, be provided with on the front beam 14 each other for the preceding pylon that the mirror image was arranged, arbitrary preceding pylon loops through longeron, swing arm fore-stock and is connected with the back beam, is provided with the back suspension support 5 that runs through it on the back beam, and the one side of keeping away from the swing arm fore-stock on the back suspension support 5 is provided with the swing arm after-poppet that each other was arranged for the mirror image. The swing arm assembly integrates the vehicle body mounting bracket and the swing arm front bracket into a whole, so that the rigidity of a second vehicle body mounting point is improved, and the improvement of the controllability of the whole vehicle is facilitated; the rear swing arm support is designed with a rear vehicle body mounting point and a swing arm rear mounting point, and meanwhile, the rear swing arm support is matched and welded with the cross beam through a U-shaped splicing form, so that the overall rigidity is increased.

In the second embodiment, on the basis of the first embodiment, referring to fig. 1 and 4, two front towers respectively correspond to the left front tower 1 and the right front tower 15, first openings of a C-shaped structure are respectively arranged on the left front tower 1 and the right front tower 15, the two first openings are respectively connected with two ends of the front cross beam 14, and a third welding seam 24 of the C-shaped structure is arranged along the first openings; a third vehicle body mounting point 22 is arranged at one end, far away from the front cross beam 14, of the front tower, a front suspension mounting point 23 is arranged on one side of the first opening, the front suspension mounting point 23 is a U-shaped support, and one side, far away from the U-shaped opening, of the bottom of the U-shaped support is a part of a side line of an opening end of the C-shaped structure. The C-shaped structure is adopted for splicing, the front cross beam is matched and then welded, the self-positioning function is achieved, and the welding strength is reliable; the left tower and the right tower are integrated with a third vehicle body mounting point and a left front suspension mounting point and a right front suspension mounting point, so that the rigidity is increased, and welding is reduced.

In the third embodiment, on the basis of the second embodiment, referring to fig. 1 and 5, two longitudinal beams respectively correspond to a left longitudinal beam 2 and a right longitudinal beam 13, wherein a second opening of an L-shaped structure is arranged at one end of the left longitudinal beam 2 connected with a left front tower frame 1, and a third opening of an L-shaped structure is arranged at one end of the right longitudinal beam 13 connected with a right front tower frame 15; and an L-shaped fourth welding seam 26 is arranged along the second opening and the third opening. The utility model connects the longitudinal beam and the front tower frame in an L-shaped lap joint mode, and the welding strength is reliable.

In the fourth embodiment, on the basis of the third embodiment, referring to fig. 1 and 5, the two swing arm front brackets correspond to the left swing arm front bracket 3 and the right swing arm front bracket 12 respectively, and the left longitudinal beam 2 and the left swing arm front bracket 3, and the right longitudinal beam 13 and the right swing arm front bracket 12 are connected through T-shaped angle joints. The utility model connects the longitudinal beam and the swing arm front bracket through the T-shaped angle joint, and has high strength and good weldability.

In a fifth embodiment, on the basis of the fourth embodiment, referring to fig. 1 and fig. 3, a fourth opening with a U-shaped structure is arranged at one end of the left swing arm front support 3 connected with the rear cross beam, and a fifth opening with a U-shaped structure is arranged at one end of the right swing arm front support 12 connected with the rear cross beam; a first U-shaped weld seam 20 is arranged along the fourth opening; a U-shaped second weld 21 is provided along the fifth opening. The utility model adopts the splicing form of the U-shaped structure to match with the rear cross beam and then welds, thereby having the self-positioning function of the rear cross beam and reliable welding strength.

In a sixth embodiment, on the basis of the fourth embodiment, referring to fig. 1 and fig. 3, any one of the swing arm front supports is a T-shaped steel frame structure, two ends of a flange of the T-shaped steel frame structure are respectively connected with a longitudinal beam and a rear cross beam, and a second vehicle body mounting point 18 is arranged at one end, far away from the flange, of a web of the T-shaped steel frame structure; one end of the flange of the T-shaped steel frame structure, which is far away from the rear cross beam, is provided with a swing arm front mounting point 19, the longitudinal beam is provided with an inclined plane, and the inclined plane is in contact with the outer end face of the swing arm front mounting point 19. The swing arm front support adopting the T-shaped steel frame structure integrates the left and right second vehicle body mounting points and the swing arm front mounting point, so that the rigidity is increased, and welding is reduced.

Seventh, on the basis of the sixth embodiment, referring to fig. 1 and 2, swing arm rear mounting points 17 are arranged in the middles of the two swing arm rear brackets, and a first vehicle body mounting point 16 is arranged on one side, away from the rear cross beam, of each swing arm rear bracket; and a stabilizer bar mounting sleeve is arranged at the joint of the swing arm rear support and the rear suspension support 5, and penetrates through the swing arm rear support and is welded with the rear suspension support 5. The utility model integrates the left and right first vehicle body mounting points and the swing arm rear mounting point, thereby increasing the rigidity and reducing welding; the rear cross member mainly serves to reinforce the lateral support between the left and right sides.

In an eighth embodiment, on the basis of the seventh embodiment, referring to fig. 1, two swing arm rear supports correspond to a left swing arm rear support 7 and a right swing arm rear support 8, a connection position of the left swing arm rear support 7 and the rear suspension support 5 is provided with two left stabilizer bar mounting sleeves 6 arranged at intervals, and a connection position of the right swing arm rear support 8 and the rear suspension support 5 is provided with two right stabilizer bar mounting sleeves 9 arranged at intervals; a left mounting sleeve 4 of the steering machine is arranged at the connecting end of the front support 3 of the left swing arm and the steering machine, and a right mounting sleeve 11 of the steering machine is arranged at the connecting end of the front support 12 of the right swing arm and the steering machine; the connecting end of the rear suspension bracket 5 and the steering machine is provided with a steering machine rear mounting sleeve 10. The utility model adopts sleeve penetration type welding, X, Y direction self-positioning and Z direction releasing (the welding deformation of the aluminum auxiliary frame is large, and after the Z direction mounting surface is welded, the Z direction surface profile is ensured by machining).

In the ninth embodiment, on the basis of the first embodiment, referring to fig. 1 and 5, the longitudinal beam is a wave-shaped square pipe, two groups of parallel collapse holes are arranged in the axial direction of the longitudinal beam, and any one group of collapse holes consists of the collapse holes 25 which are arranged on two side lines of the wave-shaped square pipe at intervals. The longitudinal beam is provided with the collapse holes, in the process of vehicle collision, although most of collision energy is absorbed by the anti-collision beam and the vehicle body longitudinal beam, part of energy is still transmitted to the rear end, the auxiliary frame longitudinal beam is stressed to collapse and absorb energy, the maximum force borne by the collapse of the longitudinal beam can be reduced under the condition that the energy absorption is not reduced through the design of the collapse holes, and the collapse holes enable the longitudinal beam to be more easily collapsed simply.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a novel aluminum alloy sub vehicle frame of full extrusion, includes front beam (14), its characterized in that: the front beam (14) is provided with front towers arranged in a mirror image mode, any one of the front towers is connected with the rear beam through the longitudinal beam and the front support of the swing arm in sequence, the rear beam is provided with a rear suspension support (5) penetrating through the rear beam, and one side, far away from the front support of the swing arm, of the rear suspension support (5) is provided with a rear support of the swing arm arranged in a mirror image mode.

2. The full-extrusion novel aluminum alloy subframe as claimed in claim 1, wherein: the two front towers respectively correspond to the left front tower (1) and the right front tower (15), first openings of C-shaped structures are arranged on the left front tower (1) and the right front tower (15), and the two first openings are connected with two ends of the front cross beam (14) respectively.

3. The full-extrusion novel aluminum alloy subframe as claimed in claim 2, wherein: the two longitudinal beams respectively correspond to the left longitudinal beam (2) and the right longitudinal beam (13), a second opening of an L-shaped structure is formed in one end, connected with the left front tower frame (1), of the left longitudinal beam (2), and a third opening of the L-shaped structure is formed in one end, connected with the right front tower frame (15), of the right longitudinal beam (13).

4. The full-extrusion novel aluminum alloy subframe as claimed in claim 3, wherein: the two swing arm front supports respectively correspond to the left swing arm front support (3) and the right swing arm front support (12); the left longitudinal beam (2) and the left swing arm front support (3) and the right longitudinal beam (13) and the right swing arm front support (12) are connected through T-shaped angle joints.

5. The full-extrusion novel aluminum alloy subframe as claimed in claim 4, wherein: and a fourth opening of a U-shaped structure is arranged at one end of the left swing arm front support (3) connected with the rear cross beam, and a fifth opening of the U-shaped structure is arranged at one end of the right swing arm front support (12) connected with the rear cross beam.

6. The full-extrusion novel aluminum alloy subframe as claimed in claim 4, wherein: any one swing arm front support is of a T-shaped steel frame structure, two ends of a flange of the T-shaped steel frame structure are respectively connected with a longitudinal beam and a rear cross beam, and a second vehicle body mounting point (18) is arranged at one end, far away from the flange, of a web of the T-shaped steel frame structure; one end of the flange of the T-shaped steel frame structure, which is far away from the rear cross beam, is provided with a swing arm front mounting point (19), the longitudinal beam is provided with an inclined plane, and the inclined plane is in contact with the outer end face of the swing arm front mounting point (19).

7. The full-extrusion novel aluminum alloy subframe as claimed in claim 6, wherein: the middle parts of the two swing arm rear supports are respectively provided with a swing arm rear mounting point (17), and one side of the swing arm rear support, which is far away from the rear cross beam, is provided with a first vehicle body mounting point (16); a stabilizer bar mounting sleeve is arranged at the joint of the swing arm rear support and the rear suspension support (5), and penetrates through the swing arm rear support and the rear suspension support (5) to be welded.

8. The full-extrusion novel aluminum alloy subframe as claimed in claim 7, wherein: two the swing arm after-poppet corresponds left swing arm after-poppet (7), right swing arm after-poppet (8) respectively, and left swing arm after-poppet (7) are two left stabilizer bar installing sleeve (6) that the interval was arranged with back suspension (5) junction, and right swing arm after-poppet (8) are two right stabilizer bar installing sleeve (9) that the interval was arranged with back suspension (5) junction.

9. The full-extrusion novel aluminum alloy subframe as claimed in claim 7, wherein: a left mounting sleeve (4) of the steering machine is arranged at the connecting end of the left swing arm front support (3) and the steering machine, and a right mounting sleeve (11) of the steering machine is arranged at the connecting end of the right swing arm front support (12) and the steering machine; the connecting end of the rear suspension bracket (5) and the steering engine is provided with a steering engine rear mounting sleeve (10).

10. The full-extrusion novel aluminum alloy subframe as claimed in claim 1, wherein: the longitudinal beam is a wave square tube, two groups of parallel collapse holes are arranged in the axial direction of the longitudinal beam, and any one group of collapse holes are formed by arranging collapse holes (25) on two side lines of the wave square tube at intervals.