CN211943496U - Novel aluminium system full frame type front auxiliary frame - Google Patents
Novel aluminium system full frame type front auxiliary frame Download PDFInfo
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- CN211943496U CN211943496U CN202020270592.XU CN202020270592U CN211943496U CN 211943496 U CN211943496 U CN 211943496U CN 202020270592 U CN202020270592 U CN 202020270592U CN 211943496 U CN211943496 U CN 211943496U
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- bushing
- swing arm
- longitudinal beam
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Abstract
The utility model relates to a novel aluminum full-frame type front auxiliary frame, which comprises a front cross beam, a rear cross beam, a left longitudinal beam and a right longitudinal beam, wherein the front cross beam, the left longitudinal beam and the right longitudinal beam are all aluminum rectangular sections, the rear cross beam is an aluminum section and the outer contour is a rectangular structure, X-shaped reinforcing ribs are additionally arranged inside the rear cross beam, the front cross beam, the rear cross beam, the left longitudinal beam and the right longitudinal beam are connected through a right connecting bracket of the front cross longitudinal beam, the left connecting support of the front transverse longitudinal beam, the left connecting support of the rear transverse longitudinal beam and the right connecting support of the rear transverse longitudinal beam are welded into a full-frame structure, a left mounting support of a front lower swing arm front bushing, a left mounting support of a front lower swing arm rear bushing and a left front suspension supporting tube are welded on the left longitudinal beam, a right mounting support of a front lower swing arm front bushing, a right mounting support of a front lower swing arm rear bushing and a right front suspension supporting tube are welded on the right longitudinal beam, and a left rear suspension mounting support and a right rear suspension mounting support are welded on the rear cross beam; the utility model discloses sub vehicle frame self quality before can furthest alleviateing has increased whole car continuation of the journey mileage.
Description
[ technical field ]
The utility model belongs to the technical field of the automobile parts technique and specifically relates to a novel sub vehicle frame before full frame of aluminium system.
[ background art ]
The existing new energy pure electric and hybrid vehicle type generally uses a steel full-frame type front auxiliary frame, and the new energy vehicle type ensures the endurance mileage and the battery capacity, and the whole vehicle service quality is heavier than that of the traditional fuel vehicle. Compared with the traditional fuel vehicle, the steel auxiliary frame has larger load bearing capacity and heavier mass, can influence the achievement of the quality target of the whole vehicle, reduces the endurance mileage of the whole vehicle, and causes the reduction of the quality of the whole vehicle and the complaint of customers. This requires a good light weight design of the chassis suspension components, especially for sub-frames whose mass is tightly controlled. At present, the steel full-frame auxiliary frame is basically a stamping part and has the defects of more stamping parts, more welding processes and heavy mass, and in addition, all mounting points are stamping and welding structures, so that the size precision is not easy to control, the torque loss of a fastener is easy to generate, and the problems of abnormal sound of a bushing mounting position and the like are solved.
In addition, with the requirements of energy conservation and emission reduction of vehicles in modern society and the requirements of national environmental protection policies, new energy vehicles are gradually popularized. Besides bearing a motor assembly and ensuring the mounting positions of parts such as a steering engine, a control arm and a stabilizer bar, the front auxiliary frame of the new energy automobile needs to have good lightweight design requirements so as to meet the quality target of the whole automobile and increase the endurance mileage of the whole automobile. If the existing steel auxiliary frame is applied to a new energy vehicle type, the quality is heavy, the installation precision is not easy to guarantee, the achievement of the quality target of the whole vehicle can be influenced, the endurance mileage of the whole vehicle is reduced, and the quality of the whole vehicle is reduced and customers complain.
[ contents of utility model ]
The utility model aims at solving foretell not enough and providing a novel sub vehicle frame before aluminium system full frame, sub vehicle frame self quality before can furthest alleviateing has increased whole car continuation of the journey mileage, and the quality that sub vehicle frame existed before avoiding traditional steel is heavy, reduces whole car continuation of the journey mileage, causes whole car quality to reduce and the problem that customer complains about.
In order to realize the above purpose, a novel aluminum full-frame type front auxiliary frame is designed, which comprises a front cross beam 3, a rear cross beam 13, a left longitudinal beam 8 and a right longitudinal beam 18, wherein the front cross beam 3, the rear cross beam 13, the left longitudinal beam 8 and the right longitudinal beam 18 enclose a frame structure, the front cross beam 3, the left longitudinal beam 8 and the right longitudinal beam 18 are aluminum rectangular sections, the rear cross beam 13 is aluminum sections, the outer contour of the rear cross beam is rectangular, an X-shaped reinforcing rib strip is additionally arranged inside the rear cross beam 13, the left and right ends of the front cross beam 3 are respectively welded with the left longitudinal beam 8 and the right longitudinal beam 18 through a front cross beam left connecting support 4 and a front cross beam right connecting support 2, the front ends of the left and right longitudinal beams 8 and 18 are welded with the left and right longitudinal beam mounting supports 5 and 5 through a rear cross beam left connecting support 10 and a rear cross beam right connecting support 15, and a left longitudinal beam 18, the front ends of, Front bushing right installing support 1, back horizontal longeron left connecting support 10, back horizontal longeron right connecting support 15 rear end have welded respectively back bushing left side installing sleeve 11, back bushing right side installing sleeve 16, front bushing left side installing support 5, front bushing right side installing support 1, back bushing left side installing sleeve 11, back bushing right side installing sleeve 16 weld in four corners, the welding has preceding lower swing arm front bushing left side installing support 6, preceding lower swing arm back bushing left side installing support 9, left front suspension stay tube 7 on the left longeron 8, the welding has preceding lower swing arm front bushing right installing support 20, preceding lower swing arm back bushing right side installing support 17, right front suspension stay tube 19 on the right longeron 18, the welding has left rear suspension installing support 12, right rear suspension installing support 14 on the rear cross beam 13.
Furthermore, X-shaped reinforcing ribs two 22 are arranged inside the rear transverse longitudinal beam left connecting support 10 and the rear transverse longitudinal beam right connecting support 15, the cross section of the X-shaped reinforcing ribs two 22 is X-shaped, and four end points of the X-shaped reinforcing ribs two 22 are connected with four corners inside the cavity of the rear transverse longitudinal beam left connecting support 10 and the rear transverse longitudinal beam right connecting support 15 respectively.
Further, the front lower swing arm front bushing left mounting bracket 6 and the front lower swing arm front bushing right mounting bracket 20, the front lower swing arm rear bushing left mounting bracket 9 and the front lower swing arm rear bushing right mounting bracket 17, and the left front suspension support tube 7 and the right front suspension support tube 19 are respectively arranged in bilateral symmetry.
Further, the left front suspension support tube 7 is arranged between the front lower swing arm front bushing left mounting bracket 6 and the front lower swing arm rear bushing left mounting bracket 9 and is located at the front lower swing arm front bushing left mounting bracket 6, and the right front suspension support tube 19 is arranged between the front lower swing arm front bushing right mounting bracket 20 and the front lower swing arm rear bushing right mounting bracket 17 and is located at the front lower swing arm front bushing right mounting bracket 20.
Furthermore, the front lower swing arm front bushing left mounting bracket 6, the front lower swing arm rear bushing left mounting bracket 9, the front lower swing arm front bushing right mounting bracket 20 and the front lower swing arm rear bushing right mounting bracket 17 are all provided with avoidance chamfers, and the avoidance chamfers are used for avoiding peripheral parts and enveloping the parts to ensure the gap requirement.
Further, the mounting plane that provides after front bush right installing support 1, front bush left installing support 5 and preceding horizontal longitudinal beam right connecting bracket 2, the left connecting bracket 4 welding of preceding horizontal longitudinal beam is used for installing preceding sub vehicle frame stabilizer bar, back horizontal longitudinal beam left connecting bracket 10, back horizontal longitudinal beam right connecting bracket 15 are used for providing the steering gear installation position.
Further, concave pit structures which are inwards concave are arranged on the front cross beam 3, the left longitudinal beam 8 and the right longitudinal beam 18.
Compared with the prior art, the utility model, based on the shortcoming of present steel front sub vehicle frame, design into aluminium system front sub vehicle frame, this aluminium system front sub vehicle frame mainly comprises parts such as front and back crossbeam, left and right longeron, four horizontal longeron connection structures to and sleeve pipe, stay tube, support, all carry out the machine after being formed by the welding of aluminium section bar, the quality is light, in its production manufacturing process, single section bar component mould is simple, easy shaping, each installation position is the machine and adds the structure simultaneously, size precision is high; the utility model discloses when aiming at providing the relevant part installation position of chassis system and guaranteeing performance requirements such as sufficient intensity, rigidity, mode, crash safety, furthest has alleviateed self quality, has increased whole car continuation of the journey mileage, is worth popularizing and applying.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic bottom view of the present invention;
FIG. 3 is an implementation schematic diagram of the mounting member around the front subframe of the present invention;
in the figure: 1. the front-side beam and rear-side beam combined type cantilever beam assembly comprises a front-side bush right mounting bracket 2, a front-side longitudinal beam right connecting bracket 3, a front cross beam 4, a front-side longitudinal beam left connecting bracket 5, a front-side bush left mounting bracket 6, a front lower swing arm front-side bush left mounting bracket 7, a left front suspension support tube 8, a left longitudinal beam 9, a front lower swing arm rear-side bush left mounting bracket 10, a rear-side longitudinal beam left connecting bracket 11, a rear-side bush left mounting sleeve 12, a left rear suspension mounting bracket 13, a rear cross beam 14, a right rear suspension mounting bracket 15, a rear-side longitudinal beam right connecting bracket 16, a rear-side bush right mounting sleeve 17, a front lower swing arm rear-side bush right mounting bracket 18, a right longitudinal beam 19, a right front suspension support tube 20, a front lower swing arm front-side bush right mounting.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawing, the utility model provides a novel aluminium system full frame front sub vehicle frame, including front beam 3, rear frame beam 13, left longeron 8, right longeron 18, front beam 3, rear frame beam 13, left longeron 8, right longeron 18 enclose into frame structure, front beam 3, left longeron 8, right longeron 18 are aluminium system rectangle section bar, rear frame beam 13 is aluminium system section bar and the outline is the rectangle structure, the inside X type strengthening rib strip that has increased of rear frame beam 13, both ends are respectively through the left linking bridge 4 of front frame beam, the right linking bridge 2 of front frame beam and left longeron 8, the right longeron 18 front end welded connection about rear frame beam 3, both ends are respectively through the left linking bridge 10 of rear frame beam, the right linking bridge 15 of rear frame beam and left longeron 8, the right back end welded connection of right longeron 18, the left linking bridge 5 of front bush has been welded respectively to the front end of the left linking bridge 4 of front frame beam, the right, A front lining right mounting bracket 1, a rear transverse longitudinal beam left connecting bracket 10 and a rear transverse longitudinal beam right connecting bracket 15 are respectively welded with a rear lining left mounting sleeve 11 and a rear lining right mounting sleeve 16 at the rear ends, a front lining left mounting bracket 5, a front lining right mounting bracket 1, a rear lining left mounting sleeve 11 and a rear lining right mounting sleeve 16 are welded at four corners, a front lower swing arm front lining left mounting bracket 6, a front lower swing arm rear lining left mounting bracket 9 and a left front suspension support tube 7 are welded on a left longitudinal beam 8, a front lower swing arm front lining right mounting bracket 20, a front lower swing arm rear lining right mounting bracket 17 and a right front suspension support tube 19 are welded on a right longitudinal beam 18, the front lower swing arm front lining left mounting bracket 6 and the front lower swing arm front lining right mounting bracket 20 are arranged in a left-right symmetrical manner, the front lower swing arm rear lining left mounting bracket 9 and the front lower swing arm rear lining right mounting bracket 17 are arranged in a left-right symmetrical manner, the left front suspension support tube 7 and the right front suspension support tube 19 are arranged in a bilateral symmetry mode, the left front suspension support tube 7 is arranged between the front lower swing arm front bushing left mounting bracket 6 and the front lower swing arm rear bushing left mounting bracket 9 and is located at the front lower swing arm front bushing left mounting bracket 6, the right front suspension support tube 19 is arranged between the front lower swing arm front bushing right mounting bracket 20 and the front lower swing arm rear bushing right mounting bracket 17 and is located at the front lower swing arm front bushing right mounting bracket 20, and the left rear suspension mounting bracket 12 and the right rear suspension mounting bracket 14 are welded on the rear cross beam 13.
The rear transverse longitudinal beam left connecting support 10 and the rear transverse longitudinal beam right connecting support 15 are internally provided with X-shaped reinforcing ribs two 22, the cross section of the X-shaped reinforcing ribs two 22 is X-shaped, and four end points of the X-shaped reinforcing ribs two 22 are respectively connected with four corners inside the cavity of the rear transverse longitudinal beam left connecting support 10 and the cavity of the rear transverse longitudinal beam right connecting support 15. And the front lower swing arm front bushing left mounting bracket 6, the front lower swing arm rear bushing left mounting bracket 9, the front lower swing arm front bushing right mounting bracket 20 and the front lower swing arm rear bushing right mounting bracket 17 are all provided with an avoiding chamfer, and the avoiding chamfer is used for avoiding peripheral parts and part envelopes so as to ensure the gap requirement. The mounting plane that provides after preceding bush right installing support 1, preceding bush left side installing support 5 and preceding horizontal longitudinal beam right linking bridge 2, the left linking bridge 4 welding of preceding horizontal longitudinal beam is used for installing preceding sub vehicle frame stabilizer bar, and back horizontal longitudinal beam left linking bridge 10, back horizontal longitudinal beam right linking bridge 15 are used for providing the steering gear installation position. The front cross beam 3, the left longitudinal beam 8 and the right longitudinal beam 18 are all provided with concave pit structures which are sunken inwards, so that the collision crumple effect is achieved, and the safety of passengers is guaranteed.
The overall structure of sub vehicle frame before the full frame of aluminium system is formed by 20, 18 section bars tailor-welded, and pencil and backplate are provided the mounted position by machine with screw hole and rivet nut 21. The front cross beam 3, the rear cross beam 13, the left longitudinal beam 8 and the right longitudinal beam 18 are welded into a full-frame structure through a front transverse longitudinal beam right connecting support 2, a front transverse longitudinal beam left connecting support 4, a rear transverse longitudinal beam left connecting support 10 and a rear transverse longitudinal beam right connecting support 15, a rear bushing left mounting sleeve 11, a rear bushing right mounting sleeve 16, a front bushing mounting support, a front bushing right mounting support 1 and a front bushing left mounting support 5 are welded at four corners, a front lower swing arm front bushing left mounting support 6, a front lower swing arm rear bushing left mounting support 9 and a left front suspension support 7 are welded on the front longitudinal beam left mounting support 8, a front lower swing arm rear bushing right mounting support 17, a front lower swing arm front bushing right mounting support 20 and a right front suspension support 19 are welded on the right longitudinal beam 18, a left rear suspension mounting support 12 and a right rear suspension mounting support 14 are welded on the rear cross beam 13, a rear transverse longitudinal beam left connecting support 10, a rear transverse longitudinal beam right connecting support, The rear cross member right connecting bracket 15 provides a steering gear mounting location.
The aluminum full-frame type front auxiliary frame aims to provide mounting positions for relevant parts of a chassis system, ensure sufficient performance requirements on strength, rigidity, modal, safe collision and the like, reduce the self-mass to the maximum extent and increase the endurance mileage of the whole vehicle. The structure of the device mainly comprises a front cross beam, a rear cross beam, a left longitudinal beam, a right longitudinal beam, four cross longitudinal beam connecting structures, a sleeve, a supporting tube, a bracket and the like. The front auxiliary frame is formed by welding aluminum sections, so that the weight is light; in the production and manufacturing process, the single-piece section component has simple die and is easy to form; meanwhile, each mounting position is of a machining structure, and the size precision is high.
The utility model discloses wholly be the welding of aluminium section bar, because of it is difficult for satisfying whole car collision requirement for aluminium material, adopt aluminium section bar structure because of the fine this risk of avoidng of the special properties of structure, satisfy the energy-absorbing requirement. The front cross beam 3, the left longitudinal beam 8 and the right longitudinal beam 18 are all rectangular sections, a pit structure is added, and an X-shaped reinforcing rib structure is arranged inside the rear transverse longitudinal beam left connecting bracket 10 and the rear transverse longitudinal beam right connecting bracket 15, so that collision collapse is achieved, and safety of passengers is guaranteed. The outer contour of the rear cross beam 13 is of a rectangular structure, and an X-shaped reinforcing rib structure is additionally arranged in the rear cross beam for meeting the requirements of the strength and fatigue durability analysis of parts. The left mounting bracket 9 of the front lower swing arm rear bushing, the right mounting bracket 17 of the front lower swing arm rear bushing, the left mounting bracket 6 of the front lower swing arm front bushing, the right mounting bracket 20 of the front lower swing arm front bushing are welded with the left longitudinal beam 8 and the right longitudinal beam 18, the gap requirement is guaranteed for avoiding peripheral parts and part envelopes, and machine chamfering is carried out on the local parts of the left mounting bracket and the right mounting bracket for avoiding peripheral parts and part envelopes. The installation of preceding sub vehicle frame stabilizer bar is by preceding bush right side installing support 1, preceding bush left side installing support 5 and preceding horizontal longitudinal beam right linking bridge 2, preceding horizontal longitudinal beam left linking bridge 4 machine after welding and is provided the mounting plane, adopts threaded connection. The front cross beam 3, the rear cross beam 13 and the left longitudinal beam 8, the right longitudinal beam 18 is welded into a full-frame structure through the front transverse and longitudinal beam right connecting bracket 2, the front transverse and longitudinal beam left connecting bracket 4, the rear transverse and longitudinal beam left connecting bracket 10 and the rear transverse and longitudinal beam right connecting bracket 15, the rear bushing left mounting sleeve 11, the rear bushing right mounting sleeve 16, the front bushing right mounting bracket 1 and the front bushing left mounting bracket 5 are welded at four corners, the front lower swing arm front bushing left mounting bracket 6, the front lower swing arm rear bushing left mounting bracket 9 and the left front suspension support tube 7 are welded on the left longitudinal beam 8, the front lower swing arm rear bushing right mounting bracket 17, the front lower swing arm front bushing right mounting bracket 20 and the right front suspension support tube 19 are welded on the right longitudinal beam 18, and the left rear suspension mounting bracket 12 and the right rear suspension mounting bracket 14 are welded on the rear cross beam 13. The left connecting bracket 10 and the right connecting bracket 15 of the rear transverse longitudinal beam provide a mounting position for the steering gear. The integral structure is formed by 20 and 18 sectional materials through tailor welding, and the wire harness and the guard plate are provided with installation positions through machining threaded holes and 8 or a plurality of blind rivet nuts 21.
The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel sub vehicle frame before full frame of aluminium system, includes front beam (3), back beam (13), left longeron (8), right longeron (18), front beam (3), back beam (13), left longeron (8), right longeron (18) enclose synthetic frame structure, its characterized in that: front beam (3), left longeron (8), right longeron (18) are aluminium system rectangular section, back crossbeam (13) are aluminium system section and outline and are the rectangle structure, X type strengthening rib has been add to back crossbeam (13) inside, both ends are respectively through the left linking bridge of preceding horizontal longeron (4), preceding horizontal longeron right linking bridge (2) and left longeron (8), right longeron (18) front end welded connection about front beam (3), both ends are respectively welded front bush left side installing support (5), front bush right installing support (1) respectively through the left linking bridge of back horizontal longeron (10), back horizontal longeron right linking bridge (15) and left longeron (8), right longeron (18) rear end welded connection about back crossbeam (13), the left linking bridge of preceding horizontal longeron (4), the right linking bridge of preceding horizontal longeron (2) front end, back horizontal longeron left linking bridge (10), Rear bushing left side installing sleeve pipe (11), rear bushing right side installing sleeve pipe (16) have been welded respectively to rear crossbar right linking bridge (15) rear end, preceding bushing left side installing support (5), preceding bushing right side installing support (1), rear bushing left side installing sleeve pipe (11), rear bushing right side installing sleeve pipe (16) weld in four corners, the welding has preceding swing arm front bushing left side installing support (6), preceding swing arm rear bushing left side installing support (9), left front suspension stay tube (7) down on left longeron (8), the welding has preceding swing arm front bushing right side installing support (20) down, preceding swing arm rear bushing right side installing support (17), right front suspension stay tube (19) down on right longeron (18), the welding has left rear suspension installing support (12), right rear suspension installing support (14) down on rear crossbeam (13).
2. The novel aluminum full-frame front subframe of claim 1, wherein: the rear transverse longitudinal beam left connecting bracket (10) and the rear transverse longitudinal beam right connecting bracket (15) are internally provided with two X-shaped reinforcing ribs (22), the cross section of the two X-shaped reinforcing ribs (22) is X-shaped, and four end points of the two X-shaped reinforcing ribs (22) are respectively connected with four corners inside the cavities of the rear transverse longitudinal beam left connecting bracket (10) and the rear transverse longitudinal beam right connecting bracket (15).
3. The novel aluminum full-frame front subframe of claim 1 or 2, wherein: the left mounting bracket (6) of the front lower swing arm front bushing and the right mounting bracket (20) of the front lower swing arm front bushing, the left mounting bracket (9) of the front lower swing arm rear bushing and the right mounting bracket (17) of the front lower swing arm rear bushing, and the left front suspension support tube (7) and the right front suspension support tube (19) are respectively arranged in bilateral symmetry.
4. The novel aluminum full-frame front subframe of claim 1 or 2, wherein: the left front suspension support tube (7) is arranged between a left front lower swing arm front bushing mounting bracket (6) and a left front lower swing arm rear bushing mounting bracket (9), and is located at the left front lower swing arm front bushing mounting bracket (6), the right front suspension support tube (19) is arranged between a right front lower swing arm front bushing mounting bracket (20) and a right front lower swing arm rear bushing mounting bracket (17), and is located at the right front lower swing arm front bushing mounting bracket (20).
5. The novel aluminum full-frame front subframe of claim 1 or 2, wherein: the front lower swing arm front bushing left mounting bracket (6), the front lower swing arm rear bushing left mounting bracket (9), the front lower swing arm front bushing right mounting bracket (20) and the front lower swing arm rear bushing right mounting bracket (17) are all provided with an avoidance chamfer, and the avoidance chamfer is used for avoiding peripheral parts and part envelopes to ensure the gap requirement.
6. The novel aluminum full-frame front subframe of claim 1, wherein: the mounting plane that provides after preceding bush right installing support (1), preceding bush left side installing support (5) and preceding horizontal longitudinal right linking bridge (2), preceding horizontal longitudinal left linking bridge (4) welding is used for installing preceding sub vehicle frame stabilizer bar, back horizontal longitudinal left linking bridge (10), back horizontal longitudinal right linking bridge (15) are used for providing the steering gear installation position.
7. The novel aluminum full-frame front subframe of claim 1, wherein: and the front cross beam (3), the left longitudinal beam (8) and the right longitudinal beam (18) are all provided with inwards concave pit structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270592.XU CN211943496U (en) | 2020-03-08 | 2020-03-08 | Novel aluminium system full frame type front auxiliary frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270592.XU CN211943496U (en) | 2020-03-08 | 2020-03-08 | Novel aluminium system full frame type front auxiliary frame |
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| CN211943496U true CN211943496U (en) | 2020-11-17 |
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| CN202020270592.XU Active CN211943496U (en) | 2020-03-08 | 2020-03-08 | Novel aluminium system full frame type front auxiliary frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113650678A (en) * | 2021-09-16 | 2021-11-16 | 奇瑞商用车（安徽）有限公司 | Mounting structure of new forms of energy plantago sub vehicle frame |
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2020
- 2020-03-08 CN CN202020270592.XU patent/CN211943496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113650678A (en) * | 2021-09-16 | 2021-11-16 | 奇瑞商用车（安徽）有限公司 | Mounting structure of new forms of energy plantago sub vehicle frame |
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