CN211943498U - Novel aluminum full-frame type rear auxiliary frame - Google Patents
Novel aluminum full-frame type rear auxiliary frame Download PDFInfo
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- CN211943498U CN211943498U CN202020270616.1U CN202020270616U CN211943498U CN 211943498 U CN211943498 U CN 211943498U CN 202020270616 U CN202020270616 U CN 202020270616U CN 211943498 U CN211943498 U CN 211943498U
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- longitudinal beam
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- cross beam
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Abstract
The utility model relates to a novel aluminum full-frame rear auxiliary frame, which comprises a left longitudinal beam, a right longitudinal beam, a front cross beam, a middle cross beam and a rear cross beam, wherein the left longitudinal beam, the front cross beam, the right longitudinal beam and the rear cross beam are sequentially connected to form a rectangular frame structure; the utility model discloses can alleviate self quality furthest, increase whole car continuation of the journey mileage, and the part is few, and production efficiency is high, has avoided many, the cost is higher, the low scheduling problem of production efficiency of process that traditional back sub vehicle frame exists.
Description
[ technical field ]
The utility model belongs to the technical field of the automobile parts technique and specifically relates to a novel full frame back sub vehicle frame of aluminium system.
[ background art ]
At present, the existing new energy pure electric and hybrid vehicle type generally uses a steel full-frame rear auxiliary frame. In order to ensure the endurance mileage and the battery capacity, the whole vehicle has the weight compared with 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 lightweight design of the chassis suspension components, especially for sub-frames whose mass must be 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 the mounting position of a bushing and the like are solved.
Along with the energy conservation and emission reduction requirements of modern vehicles, the number of electric vehicles is increased, an electric vehicle motor assembly is generally required to be placed on an auxiliary frame, parts such as a control arm, a suspension connecting rod and the like are required to be installed on the auxiliary frame in addition to the bearing motor assembly, and the auxiliary frame is required to have enough strength and rigidity to bear the parts. In the existing auxiliary frame, eight stamping parts which are totally mainly used for welding the upper and lower pieces of the front and rear cross beams and the upper and lower pieces of the left and right longitudinal beams are often designed. The design has the defects of multiple working procedures, higher cost and low production efficiency.
[ contents of utility model ]
The utility model aims at solving foretell not enough and providing a novel aluminium system full frame back sub vehicle frame, can furthest alleviate self quality, increase whole car continuation of the journey mileage, and the part is few, and production efficiency is high, has avoided many, the cost is higher, the low scheduling problem of production efficiency of process that traditional back sub vehicle frame exists.
In order to realize the purpose, the novel aluminum full-frame type rear auxiliary frame comprises a left longitudinal beam 1, a right longitudinal beam 2, a front cross beam 3, a middle cross beam 5 and a rear cross beam 6, wherein the left longitudinal beam 1, the front cross beam 3, the right longitudinal beam 2 and the rear cross beam 6 are sequentially connected to form a rectangular frame structure, the middle cross beam 5 is arranged between the front cross beam 3 and the rear cross beam 6, the middle cross beam 5, the front cross beam 3 and the rear cross beam 6 are respectively arranged in parallel, the left end and the right end of the middle cross beam 5 are respectively connected with the left longitudinal beam 1 and the right longitudinal beam 2, a left front sleeve 9 and a left rear sleeve 10 are respectively welded at the front end and the rear end of the right longitudinal beam 2, the left front sleeve 9, the left rear sleeve 10, the right front sleeve 11 and the right rear sleeve 12 are vertically arranged sleeve-shaped and are distributed at the four corners of the rectangular frame, the welding has front suspension bracket 4 on the front beam 3, the welding has left rear suspension bracket 8, right rear suspension bracket 7 on the rear beam 6, the left and right both sides of rear beam 6 are located respectively to left rear suspension bracket 8, right rear suspension bracket 7, left side longeron 1, right longeron 2 are the aluminium foundry goods, front beam 3, well crossbeam 5, rear beam 6 are aluminium system extrusion section bar, left side longeron 1, right longeron 2, front beam 3, well crossbeam 5, rear beam 6 welding are as an organic whole.
Furthermore, the front suspension support 4 is in a horizontal sleeve shape, a groove is dug in the middle of the front cross beam 3, and the front suspension support 4 is welded in the groove and connected with the front cross beam 3 to form an integrated structure.
Further, left side rear suspension support 8, right rear suspension support 7 all are H-shaped structure, left side rear suspension support 8 welds on rear beam 6 with right rear suspension support 7 bilateral symmetry formula, the mounting hole has all been seted up at left side rear suspension support 8, right rear suspension support 7 top.
Further, the front suspension support 4 is formed by bending and stamping an aluminum sheet metal part, and the left rear suspension support 8 and the right rear suspension support 7 are respectively made of the aluminum sheet metal part.
Further, the left longitudinal beam 1 and the right longitudinal beam 2 are both aluminum low-pressure castings.
Further, a left longitudinal beam lower connecting beam 13 is arranged below the left longitudinal beam 1, a right longitudinal beam lower connecting beam 14 is arranged below the right longitudinal beam 2, the left longitudinal beam lower connecting beam 13 is welded between the left longitudinal beam 1 and the rear cross beam 6, and the right longitudinal beam lower connecting beam 14 is welded between the right longitudinal beam 2 and the rear cross beam 6.
Further, the left longitudinal beam lower connecting beam 13 and the right longitudinal beam lower connecting beam 14 are respectively bent downwards to form an arc shape, the left longitudinal beam 1 and the right longitudinal beam 2 are respectively bent upwards to form an arch shape, and a frame structure is respectively formed between the left longitudinal beam lower connecting beam 13 and the left longitudinal beam 1 and between the right longitudinal beam lower connecting beam 14 and the right longitudinal beam 2.
Furthermore, the left end and the right end of the middle cross beam 5 are respectively connected with a left longitudinal beam lower connecting beam 13 and a right longitudinal beam lower connecting beam 14.
Compared with the prior art, the utility model, have following advantage:
(1) the utility model aims to provide the installation position of the relevant parts of the chassis system, ensure the performance requirements of enough strength, rigidity, mode, safe collision and the like, simultaneously reduce the self-mass to the maximum extent and increase the endurance mileage of the whole vehicle;
(2) the rear auxiliary frame of the utility model is formed by welding aluminum section and aluminum casting, the quality is low, and in the production and manufacturing process, the single section component mold is simple and easy to form, and meanwhile, each mounting position is of a machining structure, and the size precision is high;
(3) the utility model is designed based on the defects of the prior parts, two low-pressure castings and three extrusion profiles are welded together, and on the premise of meeting the design requirements, the parts are few, the weight is light and the production efficiency is high;
(4) the utility model discloses can reduce weight in, reduce part quantity, welding and equipment process, improve part production efficiency, be worth popularizing and applying.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a side view of the present invention;
FIG. 4 is a schematic view of the installation and implementation of the periphery of the rear subframe of the present invention;
in the figure: 1. the left longitudinal beam 2, the right longitudinal beam 3, the front cross beam 4, the front suspension bracket 5, the middle cross beam 6, the rear cross beam 7, the right rear suspension bracket 8, the left rear suspension bracket 9, the left front sleeve 10, the left rear sleeve 11, the right front sleeve 12, the right rear sleeve 13, the left longitudinal beam lower connecting beam 14 and the right longitudinal beam lower connecting beam.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawings, the utility model provides a novel aluminum full frame type rear auxiliary frame, which comprises a left longitudinal beam 1, a right longitudinal beam 2, a front cross beam 3, a middle cross beam 5 and a rear cross beam 6, wherein the left longitudinal beam 1, the front cross beam 3, the right longitudinal beam 2 and the rear cross beam 6 are sequentially connected to form a rectangular frame structure, the middle cross beam 5 is arranged between the front cross beam 3 and the rear cross beam 6, the middle cross beam 5, the front cross beam 3 and the rear cross beam 6 are respectively arranged in parallel, the left and right ends of the middle cross beam 5 are respectively connected with the left longitudinal beam 1 and the right longitudinal beam 2, the front and rear ends of the left longitudinal beam 1 are respectively welded with a left front sleeve 9 and a left rear sleeve 10, the front and rear ends of the right longitudinal beam 2 are respectively welded with a right front sleeve 11 and a right rear sleeve 12, the left front sleeve 9, the left rear sleeve 10, the right front sleeve 11 and the right rear sleeve 12 are vertically arranged sleeves and are, a left rear suspension support 8 and a right rear suspension support 7 are welded on the rear cross beam 6, the left rear suspension support 8 and the right rear suspension support 7 are respectively arranged on the left side and the right side of the rear cross beam 6, the left longitudinal beam 1 and the right longitudinal beam 2 are aluminum castings, the front cross beam 3, the middle cross beam 5 and the rear cross beam 6 are aluminum extruded sections, and the left longitudinal beam 1, the right longitudinal beam 2, the front cross beam 3, the middle cross beam 5 and the rear cross beam 6 are welded into a whole.
The front suspension bracket 4 is in a horizontal sleeve shape, a groove is dug in the middle of the front cross beam 3, and the front suspension bracket 4 is welded in the groove and connected with the front cross beam 3 to form an integrated structure; the left rear suspension bracket 8 and the right rear suspension bracket 7 are both in H-shaped structures, the left rear suspension bracket 8 and the right rear suspension bracket 7 are welded on the rear cross beam 6 in a bilateral symmetry manner, and mounting holes are formed in the tops of the left rear suspension bracket 8 and the right rear suspension bracket 7 and are connected with an automobile body through the mounting holes by bolts; the front suspension support 4 is formed by bending and stamping an aluminum sheet metal part, the left rear suspension support 8 and the right rear suspension support 7 are respectively made of aluminum sheet metal parts, and the left longitudinal beam 1 and the right longitudinal beam 2 are made of aluminum low-pressure casting parts.
In the utility model, a left longitudinal beam lower connecting beam 13 is arranged below the left longitudinal beam 1, a right longitudinal beam lower connecting beam 14 is arranged below the right longitudinal beam 2, the left longitudinal beam lower connecting beam 13 is welded between the left longitudinal beam 1 and the rear cross beam 6, the right longitudinal beam lower connecting beam 14 is welded between the right longitudinal beam 2 and the rear cross beam 6, and the left longitudinal beam lower connecting beam 13 and the right longitudinal beam lower connecting beam 14 are arranged, so that the strength and the rigidity of the rear auxiliary frame are further ensured; the left end and the right end of the middle cross beam 5 are respectively connected with a left longitudinal beam lower connecting beam 13 and a right longitudinal beam lower connecting beam 14; the lower connecting beam 13 of the left longitudinal beam and the lower connecting beam 14 of the right longitudinal beam are respectively bent downwards to form an arc shape, the left longitudinal beam 1 and the right longitudinal beam 2 are respectively bent upwards to form an arch shape, and a frame structure is respectively formed between the lower connecting beam 13 of the left longitudinal beam and the left longitudinal beam 1 and between the lower connecting beam 14 of the right longitudinal beam and the right longitudinal beam 2, so that the arrangement space is further increased, and the installation position of relevant parts of a chassis system is met.
Sub vehicle frame overall structure forms by two casts and three extruded article welding after the aluminium system, and wherein, left longeron 1 and right longeron 2 are low pressure casting spare, and low pressure casting is impressed the molten metal into the mould die cavity through atmospheric pressure promptly, because its atmospheric pressure is not very high, so called low pressure casting. The front cross beam 3, the middle cross beam 5 and the rear cross beam 6 are extruded sections, the aluminum section is an alloy material with aluminum as a main component, and aluminum bars are hot-melted and extruded to obtain aluminum materials with different cross-sectional shapes. The utility model provides a when new forms of energy motorcycle type aluminium system back sub vehicle frame aims at providing the relevant part installation position of chassis system and guarantees performance requirements such as sufficient intensity, rigidity, mode, crash safety, furthest's self quality that alleviates increases whole car continuation of the journey mileage. The structure of the device comprises a front middle cross beam, a rear cross beam, a left longitudinal beam, a right longitudinal beam, five transverse longitudinal beam connecting structures, a sleeve, a bracket and other parts. The auxiliary frame is formed by welding aluminum sections and aluminum castings, and the quality is low; 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 in, left longeron 1 and right longeron 2 are low pressure casting spare, and the die-casting shaping makes the aluminum alloy fuse-element fill die cavity under certain pressure effect, and the die-casting shaping part has characteristics such as the fine and close, mechanical properties is high, the size is accurate, the machining allowance is little of tissue, is the aluminum alloy part forming technology who uses the most on the car. The aluminum alloy die-casting forming can produce parts with complex structures according to the requirements of different parts of the auxiliary frame on strength, rigidity, mode, installation and the like, and meet the requirements of different properties of each part of the auxiliary frame. Compared with a traditional steel plate punching and welding formed auxiliary frame, the auxiliary frame can reduce the weight, reduce the number of parts, welding and assembling procedures and improve the production efficiency of the parts. The size precision of the casting is high, the product quality is good, the surface smoothness is good, and the strength and the hardness of the product are high. The production efficiency of the machine equipment is high, the service life is long, and the mechanization and automation are easy to realize. The die casting generally does not need to be machined, can be directly used, and even if the die casting is machined, the machining amount is small. Therefore, it can improve the utilization rate of metal and save the assembling time. The front cross beam 3, the middle cross beam 5 and the rear cross beam 6 are extruded sections. The aluminum profile is an alloy material with aluminum as a main component, and aluminum bars are hot-melted and extruded to obtain aluminum materials with different cross-sectional shapes. Because the casting installation position is of a machining structure, the precision of the front suspension bracket 4, the left rear suspension bracket 8 and the right rear suspension bracket 7 is very high. In addition, the rear subframe is provided with a bushing when being mounted with a peripheral member such as a vehicle body or a suspension.
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 (8)
1. The utility model provides a novel sub vehicle frame after full frame of aluminium system which characterized in that: including left longeron (1), right longeron (2), front beam (3), middle cross beam (5), rear frame member (6), left side longeron (1), front beam (3), right longeron (2), rear frame member (6) connect gradually and constitute a rectangular frame structure, be provided with middle cross beam (5) between front beam (3) and rear frame member (6), middle cross beam (5) and front beam (3), rear frame member (6) parallel arrangement respectively, both ends are connected with left longeron (1), right longeron (2) respectively about middle cross beam (5), left front sleeve pipe (9), left back sleeve pipe (10) have been welded respectively to the front and back end of left side longeron (1), right back sleeve pipe (12) have been welded respectively to the front and back end of right side longeron (2), left front sleeve pipe (9), left back sleeve pipe (10), right front sleeve pipe (11), Right back sleeve pipe (12) are the vertical sleeve pipe form of arranging, and distribute in rectangular frame's four corners department, the welding has front suspension support (4) on front beam (3), the welding has left back suspension support (8), right back suspension support (7) on rear beam (6), left and right both sides of rear beam (6) are located respectively in left back suspension support (8), right back suspension support (7), left side longeron (1), right longeron (2) are the aluminum casting, front beam (3), center sill (5), rear beam (6) are aluminium extruded section bar, left side longeron (1), right longeron (2), front beam (3), center sill (5), rear beam (6) welding are as an organic whole.
2. The novel aluminum full-frame rear subframe of claim 1, wherein: the front suspension support (4) is in a horizontal sleeve shape, a groove is dug in the middle of the front cross beam (3), and the front suspension support (4) is welded in the groove and connected with the front cross beam (3) into an integral structure.
3. The novel aluminum full-frame rear subframe of claim 1, wherein: left side back suspension support (8), right back suspension support (7) all are H shape structure, left side back suspension support (8) and right back suspension support (7) bilateral symmetry formula weld on rear beam (6), the mounting hole has all been seted up at left side back suspension support (8), right back suspension support (7) top.
4. The novel aluminum full-frame rear subframe of claim 2 or 3, wherein: front suspension support (4) adopt aluminium system sheet metal component to bend the punching press and form, aluminium system sheet metal component is adopted respectively in left side back suspension support (8), right back suspension support (7).
5. The novel aluminum full-frame rear subframe of claim 1, wherein: the left longitudinal beam (1) and the right longitudinal beam (2) are both aluminum low-pressure casting parts.
6. The novel aluminum full-frame rear subframe of claim 1, wherein: the left longitudinal beam is characterized in that a left longitudinal beam lower connecting beam (13) is arranged below the left longitudinal beam (1), a right longitudinal beam lower connecting beam (14) is arranged below the right longitudinal beam (2), the left longitudinal beam lower connecting beam (13) is welded between the left longitudinal beam (1) and the rear cross beam (6), and the right longitudinal beam lower connecting beam (14) is welded between the right longitudinal beam (2) and the rear cross beam (6).
7. The novel aluminum full-frame rear subframe of claim 6, wherein: the left longitudinal beam lower connecting beam (13) and the right longitudinal beam lower connecting beam (14) are bent downwards to form an arc shape respectively, the left longitudinal beam (1) and the right longitudinal beam (2) are bent upwards to form an arch shape respectively, and a frame structure is formed between the left longitudinal beam lower connecting beam (13) and the left longitudinal beam (1) and between the right longitudinal beam lower connecting beam (14) and the right longitudinal beam (2) respectively.
8. The novel aluminum full-frame rear subframe of claim 7, wherein: the left end and the right end of the middle cross beam (5) are respectively connected with a left longitudinal beam lower connecting beam (13) and a right longitudinal beam lower connecting beam (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270616.1U CN211943498U (en) | 2020-03-08 | 2020-03-08 | Novel aluminum full-frame type rear auxiliary frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270616.1U CN211943498U (en) | 2020-03-08 | 2020-03-08 | Novel aluminum full-frame type rear auxiliary frame |
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| Publication Number | Publication Date |
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| CN211943498U true CN211943498U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020270616.1U Active CN211943498U (en) | 2020-03-08 | 2020-03-08 | Novel aluminum full-frame type rear auxiliary frame |
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| CN (1) | CN211943498U (en) |
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- 2020-03-08 CN CN202020270616.1U patent/CN211943498U/en active Active
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