CN210000406U - A aluminum alloy sub vehicle frame for new energy automobile - Google Patents
A aluminum alloy sub vehicle frame for new energy automobile Download PDFInfo
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- CN210000406U CN210000406U CN201920892771.4U CN201920892771U CN210000406U CN 210000406 U CN210000406 U CN 210000406U CN 201920892771 U CN201920892771 U CN 201920892771U CN 210000406 U CN210000406 U CN 210000406U
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 55
- 239000000725 suspension Substances 0.000 claims abstract description 125
- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims description 16
- 238000005266 casting Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000005728 strengthening Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses an kind of aluminum alloy sub vehicle frame especially discloses kind of aluminum alloy sub vehicle frame that is used for new energy automobile, belongs to automobile parts manufacturing and designing technical field, provide kinds of preparation degree of difficulty and obviously reduce, the preparation quality is showing the aluminum alloy sub vehicle frame that is used for new energy automobile who improves, aluminum alloy sub vehicle frame include foundry goods body, front beam and rear beam, the foundry goods body pass through the front beam with the rear beam enclose into the aluminum alloy sub vehicle frame body that has the structure that leans forward, aluminum alloy sub vehicle frame still include suspension group behind the motor and suspension support before motor, suspension support before the motor for having the style saddle shape extrusion fretwork structure of strengthening rib, style saddle shape extrusion structure suspension support before the motor welds and is in on the front beam of aluminum alloy sub vehicle frame body, suspension group arrange behind the motor the rear end of aluminum alloy sub vehicle frame body.
Description
Technical Field
The utility model relates to an kind of aluminum alloy sub vehicle frame especially relates to kind of aluminum alloy sub vehicle frame that is used for new energy automobile, belongs to automobile parts manufacturing and designing technical field.
Background
At present, the traditional automobile auxiliary frame is mainly formed by welding steel sheet metal stamping parts, and also partially adopts combined welding of pipe beam parts and sheet metal parts, and then various supports are welded on a main body structure to provide mounting points for suspension pieces, stabilizer bars and the like, so that the auxiliary frame structure is complex, the forming difficulty is high, the welding deformation is large, and the assembly weight is also large.
With the revolution and progress of the automobile industry, new energy automobiles are in a shining scene, and the light weight is a consensus achieved by automobile industry people for energy conservation and consumption reduction. The aluminum alloy has high specific strength and good integral formability, and is the most suitable choice for the lightweight development of the auxiliary frame, as shown in fig. 1. In recent years, the development of the aluminum alloy auxiliary frame in China is increased, but due to the short time, the structure of the aluminum alloy auxiliary frame still has a plurality of problems, such as low welding strength of a bracket, difficult welding of aluminum alloy, large deviation of position degree and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing aluminum alloy auxiliary frames for new energy vehicles which have obviously reduced manufacturing difficulty and obviously improved manufacturing quality.
The technical scheme includes that the aluminum alloy auxiliary frame for the new energy automobile comprises a casting body, a front cross beam and a rear cross beam, wherein the casting body is connected into an aluminum alloy auxiliary frame body with a forward-inclined structure in a surrounding mode through the front cross beam and the rear cross beam, the aluminum alloy auxiliary frame further comprises a motor rear suspension set and a motor front suspension support, the motor front suspension support is of a saddle-shaped hollow extrusion forming structure with reinforcing ribs, the motor front suspension support of the saddle-shaped hollow extrusion forming structure is welded to the front cross beam of the aluminum alloy auxiliary frame body, and the motor rear suspension set is arranged at the rear end of the aluminum alloy auxiliary frame body.
, the rear suspension set of the motor comprises a left suspension and a right suspension, and the left suspension and the right suspension are respectively and correspondingly arranged at the rear end of the aluminum alloy auxiliary frame body.
The preferred mode of above-mentioned scheme is, motor left side suspension and motor right side suspension be whole extrusion structure.
, the casting body comprises a left longitudinal beam system and a right longitudinal beam system, the left longitudinal beam system is provided with a transverse connecting end adapted to the rear cross beam, and the left suspension of the motor is connected with the transverse connecting end in a pre-cast structure.
The preferable mode of the scheme is that the right suspension of the motor is connected with the rear cross beam in a welding mode.
, the motor left suspension is sets of left motor suspension bushings, and the motor right suspension is sets of right motor suspension bushings.
The preferred mode of the scheme is that waist-shaped holes are respectively formed in two vertical edges of the motor front suspension bracket of the -body type saddle-shaped hollow extrusion forming structure, and an external motor is mounted on the motor front suspension bracket through the waist-shaped holes.
, arranging the reinforcing ribs outside the two vertical edges of the motor front suspension bracket.
, inclined planes of 5 degrees are arranged at the upper parts of the outer sides of the two vertical edges of the motor front suspension bracket.
The beneficial effects of the utility model are that this application is through improving the motor front suspension support of current disconnect-type for style saddle fretwork extrusion structure that has the strengthening rib, then style saddle fretwork extrusion structure suspension support welds even before the motor on the front beam of aluminum alloy sub vehicle frame body, the motor back suspension group arrange the rear end portion of aluminum alloy sub vehicle frame body like this, because the motor front suspension support after the improvement not only sets the support of two disconnect-types into style saddle fretwork extrusion structure, still combines the strengthening rib and this support whole to set up to not only having guaranteed two strong points mounting dimension's stability and reliable, can also reduce the welding volume of motor front suspension support and aluminum alloy sub vehicle frame body coupling in a large number, and then reach the purpose that obviously reduces the preparation degree of difficulty.
Drawings
FIG. 1 is a schematic three-dimensional structure diagram of a conventional aluminum alloy subframe according to the present invention;
fig. 2 is the utility model discloses an aluminum alloy sub vehicle frame's for new energy automobile three-dimensional structure schematic diagram.
Labeled as: the casting comprises a casting body 1, a front cross beam 2, a rear cross beam 3, a motor rear suspension group 4, a motor front suspension bracket 5, a reinforcing rib 6, a motor left suspension 7, a motor right suspension 8, a left longitudinal beam system 9, a right longitudinal beam system 10, a transverse connecting end 11, a waist-shaped hole 12 and an inclined surface 13.
Detailed Description
As shown in fig. 2, the utility model provides an aluminum alloy sub vehicle frame that is used for new energy automobile that kinds of preparation degree of difficulty obviously reduce, preparation quality is showing the improvement, aluminum alloy sub vehicle frame include casting body 1, front beam 2 and rear beam 3, casting body 1 pass through front beam 2 with rear beam 3 enclose into the aluminum alloy sub vehicle frame body that has the structure that leans forward, aluminum alloy sub vehicle frame still include suspension group 4 behind the motor and suspension support 5 before the motor, suspension support 5 before the motor for having strengthening rib 6 formula saddle fretwork extrusion structure, formula saddle extrusion structure before the motor suspension support 5 weld the connection on aluminum alloy sub vehicle frame body's front beam 2, suspension group 4 behind the motor arrange the rear end of aluminum alloy sub vehicle frame body this application through improving current disconnect-type motor front suspension support for having the formula saddle work extrusion hollow structure of strengthening rib, then formula saddle work structure before the motor suspension support weld the connection on aluminum alloy sub vehicle frame body's front suspension support, the suspension support is arranged the motor rear suspension support and is the motor and is the suspension group's suspension support that the motor is the reliable connection of this kind of the improvement, thereby not only can reduce the suspension motor and the suspension motor mounting point is the reliable connection of this two aluminium alloy sub vehicle frame body, the suspension support that the suspension group is the motor is the installation of this can be improved, thereby it is reliable to be the stability is the motor is improved, the suspension group is the motor is the suspension group is the suspension is the motor is improved, thereby it is the suspension group.
In the above-mentioned embodiment, combine motor rear suspension group 4 include motor left side suspension 7 and motor right side suspension 8, and motor left side suspension 7 with motor right side suspension 8 correspond respectively arrange the structural feature of the rear end portion of aluminum alloy sub vehicle frame body for furthest's limit welding and equipment work load, reduce welding deformation, improve assembly quality and the off-the-shelf quality of postwelding, this application motor left side suspension 7 with motor right side suspension 8 be whole extrusion structure. Meanwhile, the casting body 1 is arranged to be of a structure comprising a left longitudinal beam system 9 and a right longitudinal beam system 10, and a transverse connecting end 11 which is matched with the rear cross beam 3 is arranged on the left longitudinal beam system 9, so that the motor left suspension 7 and the transverse connecting end 11 can be connected in a pre-cast structure. Correspondingly, the motor right suspension 8 and the rear cross beam 3 are connected by welding.
, in order to improve the operability of the motor left suspension 7 and the motor right suspension 8, the motor left suspension 7 is sets of left motor suspension bushings, and the motor right suspension 8 is sets of right motor suspension bushings, similarly, in order to improve the working strength and the welding deformation resistance of the motor front suspension bracket 5, the reinforcing ribs 6 are arranged on the outer sides of two vertical sides of the motor front suspension bracket 5, waist-shaped holes 12 are respectively arranged on the two vertical sides of the motor front suspension bracket 5 in the saddle-shaped hollow extrusion molding structure, and the external motor is mounted on the motor front suspension bracket 5 through the waist-shaped holes 12.
In conclusion, the aluminum alloy auxiliary frame provided by the application has the following advantages,
adopt the motor suspension support of this application, can avoid support crotch welding deformation, structural strength is low, and difficult assembly effectively promotes motor suspension assembling nature, promotes mounting point position degree accuracy nature, improves electric automobile's fail safe nature, this kind of structure can push away and general in the design of being applied to electric automobile aluminum alloy sub vehicle frame.
Example
A new energy automobile aluminum alloy subframe comprises a casting body and a right rear suspension for mounting a motor, wherein a left rear suspension and a right rear suspension which are formed by a bush and used for mounting the motor are arranged on a connecting section bar, namely the rear cross beam and the casting body, a motor suspension bracket is arranged on the connecting section bar, namely the front cross beam, the motor is arranged on the suspension bracket, the left rear suspension and the right rear suspension, the tolerance of the crotch of the front suspension bracket is 0-0.25, and the rear suspension position is not more than phi 1.6.
The casting body is provided with a right rear suspension, the connecting section bar is provided with a left rear suspension, a bushing is assembled in the suspension, and the bushing is connected with the motor through a bolt;
the front suspension bracket is arranged on the front cross beam and is welded with the front cross beam;
the suspension bracket is formed by integral extrusion, and has high strength and small deformation;
the outer side of the suspension bracket is provided with an inclination of 5 degrees, so that the driving motor is convenient to disassemble and assemble;
the side edge of the suspension bracket is provided with a reinforcing rib to meet the requirement of torque;
the mounting hole that sets up on the suspension support is the waist hole, convenient assembly.
As shown in fig. 1, the conventional aluminum alloy subframe is provided with a motor mounted on a front suspension bracket, namely the suspension bracket and a rear suspension bracket set, the front suspension bracket is formed by welding two split type sectional materials on a front beam respectively, and the two rear suspension brackets, namely the motor left suspension and the motor right suspension, are formed by welding two sectional materials on a casting body and a rear beam respectively, so that the welding amount is large, the strength of the suspension bracket is low, and the mounting precision is low.
Claims (9)
- The aluminum alloy auxiliary frame for the new energy automobile comprises a casting body (1), a front cross beam (2) and a rear cross beam (3), wherein the casting body (1) is connected with the front cross beam (2) and the rear cross beam (3) in a surrounding mode to form the aluminum alloy auxiliary frame body with a forward-inclined structure, and the aluminum alloy auxiliary frame is characterized by further comprising a motor rear suspension set (4) and a motor front suspension support (5), the motor front suspension support (5) is a -type saddle-shaped hollow extrusion forming structure with reinforcing ribs (6), the motor front suspension support (5) of the -type saddle-shaped hollow extrusion forming structure is welded on the front cross beam (2) of the aluminum alloy auxiliary frame body, and the motor rear suspension set (4) is arranged at the rear end of the aluminum alloy auxiliary frame body.
- 2. The aluminum alloy subframe for a new energy automobile as set forth in claim 1, wherein: the rear suspension group (4) of the motor comprises a left suspension (7) of the motor and a right suspension (8) of the motor, wherein the left suspension (7) of the motor and the right suspension (8) of the motor are respectively arranged at the rear end of the auxiliary frame body of the aluminum alloy.
- 3. The aluminum alloy subframe for a new energy automobile as set forth in claim 2, wherein: the motor left suspension (7) and the motor right suspension (8) are both of an integral extrusion forming structure.
- 4. The aluminum alloy subframe for a new energy automobile as set forth in claim 2 or 3, wherein: foundry goods body (1) including left longeron system (9) and right longeron system (10) left longeron system (9) on set up with horizontal link (11) that rear frame member (3) suited, motor left side suspension (7) with horizontal link (11) be the precasting shaping structural connection.
- 5. The aluminum alloy subframe for a new energy automobile as set forth in claim 4, wherein: and the motor right suspension (8) is connected with the rear cross beam (3) in a welding manner.
- 6. The aluminum alloy subframe for the new energy automobile as claimed in claim 4, wherein the motor left suspension (7) is sets of left motor suspension bushings, and the motor right suspension (8) is sets of right motor suspension bushings.
- 7. The aluminum alloy subframe for the new energy automobile as claimed in claim 6, wherein waist-shaped holes (12) are respectively formed in two vertical edges of the motor front suspension bracket (5) of the -body type saddle-shaped hollow extrusion molding structure, and an external motor is mounted on the motor front suspension bracket (5) through the waist-shaped holes (12).
- 8. The aluminum alloy subframe for a new energy automobile as set forth in claim 7, wherein: the reinforcing ribs (6) are arranged on the outer sides of two vertical edges of the motor front suspension bracket (5).
- 9. The aluminum alloy subframe for a new energy automobile as claimed in claim 8, wherein inclined planes (13) with 5 degrees are arranged on the upper parts of the outer sides of the two vertical sides of the motor front suspension bracket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892771.4U CN210000406U (en) | 2019-06-13 | 2019-06-13 | A aluminum alloy sub vehicle frame for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892771.4U CN210000406U (en) | 2019-06-13 | 2019-06-13 | A aluminum alloy sub vehicle frame for new energy automobile |
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| Publication Number | Publication Date |
|---|---|
| CN210000406U true CN210000406U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920892771.4U Active CN210000406U (en) | 2019-06-13 | 2019-06-13 | A aluminum alloy sub vehicle frame for new energy automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231640A (en) * | 2020-03-31 | 2020-06-05 | 重庆长安汽车股份有限公司 | Engine compartment large support reinforcing structure |
| CN114734021A (en) * | 2021-12-22 | 2022-07-12 | 佛山市南海奔达模具有限公司 | Aluminum alloy hollow subframe casting structure |
-
2019
- 2019-06-13 CN CN201920892771.4U patent/CN210000406U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231640A (en) * | 2020-03-31 | 2020-06-05 | 重庆长安汽车股份有限公司 | Engine compartment large support reinforcing structure |
| CN114734021A (en) * | 2021-12-22 | 2022-07-12 | 佛山市南海奔达模具有限公司 | Aluminum alloy hollow subframe casting structure |
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