CN211592227U - In-wheel motor drive axle device - Google Patents
In-wheel motor drive axle device Download PDFInfo
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- CN211592227U CN211592227U CN201921789137.4U CN201921789137U CN211592227U CN 211592227 U CN211592227 U CN 211592227U CN 201921789137 U CN201921789137 U CN 201921789137U CN 211592227 U CN211592227 U CN 211592227U
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- air spring
- drive axle
- spring suspension
- axle body
- suspension
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Abstract
A wheel hub motor drive axle device in the technical field of wheel hub motors comprises a drive axle body, an air spring suspension, a wheel hub motor, an air spring, a shock absorber and a traction rod control arm; the drive axle body is connected with the air spring suspension through a connecting bolt and a positioning pin, the hub motor is connected with the middle part of the air spring suspension through the connecting bolt, the air springs and the shock absorber are uniformly arranged at the tail end of the air spring suspension, the traction rod control arm is respectively arranged on the drive axle body and the air spring suspension, and the hub motor integrates the motor, the speed reducer and the brake into a whole. The utility model relates to a rationally, under the equal specification, the bulk strength rigidity is good, and stress distribution is even, and the deformation is little, and the quality is light.
Description
Technical Field
The utility model relates to a wheel hub motor technical field's transaxle device, especially a wheel hub motor transaxle device that each cross-sectional thickness of air spring suspension is unequal.
Background
The wheel hub motor technology is also called as the wheel built-in motor technology, and the most important characteristic of the wheel hub motor technology is that power, transmission and braking devices are integrated into a wheel hub, so that the mechanical part of an electric vehicle is greatly simplified. In the 70 s of the 20 th century, the technology is applied to the fields of mine transport vehicles and the like. For the hub motor used by passenger cars, the daily manufacturers develop the technology earlier and are in the leading position at present, and the international automobile huge heads including the universal and Toyota also contribute to the technology. The research on the hub motor in China is mostly concentrated in colleges and universities, the products are all electric vehicles, but the research on the driving technology of the hub motor is not mature, and particularly, in the aspect of the development of the high-torque hub motor, certain gap is reserved between the high-torque hub motor and foreign advanced products, so that the research and development investment on the hub motor technology needs to be strengthened, the core competitiveness is improved, the gap is reduced, and the advanced level of the world is achieved.
The hub motor and the drive axle are two devices which supplement each other, but in the prior art, the drive axle is still too complicated in design, heavier in weight and uneven in rigidity and strength distribution.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide an in-wheel motor transaxle device, its bulk strength rigidity is good, and stress distribution is even, warp for a short time, and the quality is light.
The utility model is realized by the following technical proposal, the utility model comprises a drive axle body, an air spring suspension, a hub motor, an air spring, a shock absorber and a traction lever control arm; the drive axle body is connected with the air spring suspension through a connecting bolt and a positioning pin, the hub motor is connected with the middle part of the air spring suspension through the connecting bolt, the air springs and the shock absorbers are uniformly arranged at the tail end of the air spring suspension, the traction rod control arms are respectively arranged on the drive axle body and the air spring suspension, and the hub motor integrates a motor, a speed reducer and a brake into a whole.
Further, the utility model discloses in, drive axle body, each cross-sectional thickness of air spring suspension vary, and the shape is irregular.
Furthermore, the present invention provides a drive axle and an air spring suspension with a design of local diamond-shaped ribs or triangular ribs.
Furthermore, the utility model discloses in, the transaxle body is the cover box assembly mode with air spring suspension to with unsmooth platform location, round pin enhancement, screw group assembly.
Furthermore, in the present invention, the plurality of air springs and the plurality of shock absorbers are symmetrically disposed on the air spring suspension.
Furthermore, in the present invention, the drawbar control arm is disposed at the same side of the drive axle body and the air spring suspension.
Further, the utility model discloses in, the reduction gear is sun planet structure, the stopper includes clutch left end plate, clutch friction disc, clutch steel sheet, clutch right end plate.
Compared with the prior art, the utility model discloses have following beneficial effect and do: the utility model relates to a rationally, simple structure can compromise intensity, rigidity, stress distribution, meet an emergency, displacement and weight, and under the equal specification, intensity rigidity is good, stress distribution is even, the deformation is little, the quality is light, and anti distortion performance is strong moreover.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a top view of the present FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a schematic structural view of an air spring suspension according to an embodiment of the present invention;
FIG. 5 is a bottom view of the air spring suspension of FIG.;
FIG. 6 is a front view of the air spring suspension of FIG.;
FIG. 7 is a schematic view of the section A-A in FIG. 6;
fig. 8 is a schematic structural diagram of a drive axle body according to an embodiment of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8;
FIG. 10 is a bottom plan view of the drive axle body;
FIG. 11 is a top plan view of the drive axle body;
FIG. 12 is a schematic view of the cross section B-B in FIG. 11;
FIG. 13 is an enlarged view of a portion of FIG. 12;
wherein: 1. the suspension device comprises a drive axle body, 2, an air spring suspension, 3, a hub motor, 4, an air spring, 5, a shock absorber, 6, a traction rod control arm, 7, a suspension bolt hole, 8, a suspension positioning pin hole, 9, a suspension concave groove, 10, a suspension reinforcing rib, 11, a suspension positioning concave platform, 12, an axle body bolt hole, 13, an axle body positioning pin hole, 14, an axle body positioning boss, 15, an axle body concave groove, 16 and an axle body reinforcing rib.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments of the present invention are based on the technical solution of the present invention and provide detailed embodiments and specific operation processes, but the scope of the present invention is not limited to the following embodiments.
Example 1
Fig. 1 to 13 show specific embodiments, the present invention includes a drive axle body 1, an air spring suspension 2, a hub motor 3, an air spring 4, a shock absorber 5, a drawbar control arm 6, a suspension bolt hole 7, a suspension positioning pin hole 8, a suspension concave groove 9, a suspension reinforcing rib 10, a suspension positioning concave platform 11, an axle body bolt hole 12, an axle body positioning pin hole 13, an axle body positioning boss 14, an axle body concave groove 15, and an axle body reinforcing rib 16, wherein the two air spring suspensions 2 are symmetrically arranged on two sides of the drive axle body 1; the drive axle body 1 and the two air spring suspensions 2 are connected together by installing connecting bolts and positioning pins in a suspension bolt hole 7, a suspension positioning pin hole 8, an axle body bolt hole 12 and an axle body positioning pin hole 13; meanwhile, the drive axle body 1 and the two air spring suspensions 2 are assembled in a sleeve box mode, and are matched and positioned through the suspension positioning concave platform 11 and the axle body positioning boss 14; the two hub motors 3 are respectively connected with the middle parts of the two air spring suspensions 2 through connecting bolts; the four shock absorbers 5 are respectively arranged at the extreme ends of the two air spring suspensions 2, the four air springs 4 are respectively arranged at the secondary ends of the two air spring suspensions 2, and the four shock absorbers 5 and the four air springs 4 are symmetrically arranged on the air spring suspensions 2; two traction rod control arms 6 are arranged on the drive axle body 1, and the two traction rod control arms 6 are arranged on the air spring suspension 2; the traction rod control arm 6 is arranged on the same side of the drive axle body 1 and the air spring suspension 2; the suspension bolt hole 7, the suspension positioning pin hole 8, the bridge bolt hole 12 and the bridge positioning pin hole 13 are all round holes; the bridge positioning boss 14 is matched with the suspension positioning concave table 11, and the main outline part is rectangular; the hub motor 3 integrates a motor, a speed reducer and a brake into a whole.
The utility model discloses in, through arranging bridge concave groove 15, bridge strengthening rib 16 on the transaxle body 1, through arranging suspension concave groove 9, suspension strengthening rib 10 on air spring suspension 2, make the utility model discloses a whole rigidity is good. Meanwhile, the cross sections of the drive axle body 1 and the air spring suspension 2 are unequal in thickness and irregular in shape, so that the strength, rigidity, stress distribution, strain, displacement and weight can be taken into consideration, and the drive axle body and the air spring suspension are good in strength and rigidity, uniform in stress distribution, small in deformation and light in weight under the same specification. The reinforcing ribs can be designed by adopting local diamond reinforcing ribs or triangular reinforcing ribs.
Example 2
In embodiment 1, the number of the air springs 4 and the shock absorbers 5 is four, and in this embodiment, eight air springs and eight shock absorbers are provided;
in embodiment 1, the suspension bolt hole 7, the suspension dowel hole 8, the bridge bolt hole 12, and the bridge dowel hole 13 are all circular holes, and in this embodiment, they may be provided in other shapes, such as an oval shape.
In embodiment 1, the main contour portions of the bridge positioning boss 14 and the suspension positioning boss 11 are rectangular, and in this embodiment, they may be provided in other shapes, such as oval.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (7)
1. A wheel hub motor drive axle device is characterized by comprising a drive axle body, an air spring suspension, a wheel hub motor, an air spring, a shock absorber and a traction rod control arm;
the drive axle body and the air spring suspension are connected together through a connecting bolt and a positioning pin;
the hub motor is connected with the middle part of the air spring suspension through a connecting bolt;
the air spring and the shock absorber are both arranged at the tail end of the air spring suspension;
the traction rod control arm is respectively arranged on the drive axle body and the air spring suspension;
the hub motor integrates a motor, a speed reducer and a brake into a whole.
2. The in-wheel motor drive axle assembly of claim 1 wherein the axle body and the air spring suspension have different cross-sectional thicknesses.
3. The in-wheel motor drive axle assembly of claim 1 wherein the drive axle body and air spring suspension are of a partially diamond rib or triangular rib design.
4. The in-wheel motor drive axle assembly of claim 1 wherein the axle body and air spring suspension are assembled as a sleeve and assembled with a set of male and female bosses, round pins, and screws.
5. The in-wheel motor transaxle assembly of claim 1 wherein the plurality of air springs and the plurality of shock absorbers are symmetrically disposed on the air spring suspension.
6. The in-wheel motor drive axle assembly of claim 1 wherein the drawbar control arm is disposed on the same side of the drive axle body as the air spring suspension.
7. The in-wheel motor transaxle assembly of claim 1 wherein the speed reducer is of a sun-and-planet configuration and the brake comprises a clutch left end plate, a clutch friction plate, a clutch steel plate, and a clutch right end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921789137.4U CN211592227U (en) | 2019-10-23 | 2019-10-23 | In-wheel motor drive axle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921789137.4U CN211592227U (en) | 2019-10-23 | 2019-10-23 | In-wheel motor drive axle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211592227U true CN211592227U (en) | 2020-09-29 |
Family
ID=72586215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921789137.4U Active CN211592227U (en) | 2019-10-23 | 2019-10-23 | In-wheel motor drive axle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211592227U (en) |
-
2019
- 2019-10-23 CN CN201921789137.4U patent/CN211592227U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230811 Address after: 201805 room 2201, No. 888, Moyu South Road, Anting Town, Jiading District, Shanghai J Patentee after: Ackermann Matrix Technology (Shanghai) Co.,Ltd. Address before: 201806 room 101-5, ground floor, building 1, Lane 127, Guotai Road, Yangpu District, Shanghai Patentee before: SHANGHAI ZHIYU POWER TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |