CN219749406U - Offset type electric automobile drive front axle assembly - Google Patents
Offset type electric automobile drive front axle assembly Download PDFInfo
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- CN219749406U CN219749406U CN202320915523.3U CN202320915523U CN219749406U CN 219749406 U CN219749406 U CN 219749406U CN 202320915523 U CN202320915523 U CN 202320915523U CN 219749406 U CN219749406 U CN 219749406U
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- assembly
- axle
- speed reducer
- brake
- shaft
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The front axle assembly is characterized in that the front axle assembly comprises a speed reducer assembly, a front axle housing assembly, a left brake assembly, a right brake assembly, a left axle shaft assembly and a right axle shaft assembly, wherein the middle end of the front axle housing assembly is installed with the speed reducer assembly through a bolt; the utility model has the advantages of simple structure, convenient operation, high transmission efficiency, small vibration and noise, strong bearing capacity and the like.
Description
Technical Field
The utility model relates to a part in the field of an electric automobile axle, in particular to a biasing type electric automobile driving front axle assembly.
Background
The electric automobile front axle assembly on the market at present mostly adopts left and right symmetrical structure, and the electric drive axle assembly of this kind of symmetrical structure, the reduction gear assembly at axle middle part easily produce the interference with whole car central authorities ' motor, produce the vibration in the reduction gear assembly motion, have influenced the travelling comfort that the car was taken, in addition, central authorities ' reduction gear assembly vibration still can produce great noise, has influenced whole car's performance.
Disclosure of Invention
In order to solve the problems, the utility model designs the offset type electric automobile driving front axle assembly which has the advantages of simple structure, convenient production and use, small vibration and noise and strong bearing capacity.
The technical scheme of the utility model is as follows: a biasing type electric automobile drive front axle assembly is characterized in that: the front axle housing assembly, the left brake assembly, the right brake assembly, the left axle assembly and the right axle assembly are formed, the middle end of the front axle housing assembly is installed with the speed reducer assembly through bolts, the left axle assembly is installed in the middle of the left side of the front axle housing assembly, the right end of the left axle assembly is connected with the left end of the speed reducer assembly, the right axle assembly is installed in the middle of the right side of the front axle housing assembly, the left end of the right axle assembly is connected with the right end of the speed reducer assembly, the left axle assembly is connected with the left brake assembly through bolts, the right axle assembly is connected with the right brake assembly through bolts, and the left axle assembly is longer than the right axle assembly.
The utility model further adopts the technical scheme that: the speed reducing assembly consists of a speed reducer shell, a differential mechanism assembly arranged at the front end of the speed reducer shell, an I-th gear shaft arranged in the middle of the speed reducer shell and a II-th gear shaft arranged at the rear end of the speed reducer shell, wherein the bevel gear cylindrical gear arranged on the left end face of the differential mechanism assembly is meshed with the bevel gear cylindrical gear arranged in the middle of the I-th gear shaft and the bevel gear cylindrical gear arranged at the left end of the differential mechanism assembly, the bevel gear cylindrical gear arranged at the right end of the I-th gear shaft is meshed with the II-th gear shaft arranged at the rear end of the speed reducer shell, a motor connecting disc is arranged on the left side of the II-th gear shaft, and the motor connecting disc is connected with the left end face of the lower part of the speed reducer shell through an inner hexagon bolt and a gasket.
The technical scheme of the utility model is as follows: the front axle housing assembly comprises a left axle tube, a left steel plate spring seat, a left axle tube flange, an axle housing middle section, a right axle tube flange and a right steel plate spring seat, wherein the left axle tube is longer than the right axle tube, and the left axle tube, the left steel plate spring seat, the left axle tube flange, the axle housing middle section, the right axle tube flange and the right steel plate spring seat are all connected in a welding mode.
The technical scheme of the utility model is as follows: the left half shaft assembly and the left brake assembly are respectively arranged on the inner cavity and the excircle of the left bearing seat and are arranged at the left end of the left shaft pipe flange disc through bolts and gaskets, and the right half shaft assembly and the right brake assembly are respectively arranged on the inner cavity and the excircle of the right bearing seat and are arranged at the right end of the right shaft pipe flange disc through bolts and gaskets.
The technical scheme of the utility model is as follows: the left steel plate spring seat and the right steel plate spring seat are welded on one side in front of the left shaft tube and the right shaft tube respectively, the inclination angles of the left steel plate spring seat and the right steel plate spring seat are the same, a brake oil tube support and a vent plug seat are further arranged on the middle section of the axle housing, and the brake oil tube support and the vent plug seat are welded on the front upper side of the middle section of the axle housing in a welding mode.
The technical scheme of the utility model is as follows: the left half shaft assembly and the right half shaft assembly are inserted into holes on the left side and the right side of the differential mechanism assembly at the front end of the speed reducer assembly, and the large end face of the speed reducer shell of the speed reducer assembly is mounted on the large end face of the middle section of the axle shell of the front axle shell assembly through bolts and gaskets.
The technical scheme of the utility model is as follows: the left brake assembly is characterized in that a left brake drum is further arranged on the left side of the left brake assembly, the left brake drum is fixedly connected with the left half shaft assembly through bolts and nuts, a right brake drum is further arranged on the right side of the right brake assembly, and the right brake drum is fixedly connected with the right half shaft assembly through bolts and nuts.
Compared with the prior art, the utility model has the following characteristics:
the utility model has the advantages of simple structure, convenient operation, high transmission efficiency, small vibration and noise, strong bearing capacity and the like, can be well matched with logistics electric vehicles and electric sightseeing vehicles, and has wide market prospect.
The detailed structure of the present utility model is further described below with reference to the accompanying drawings and detailed description.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Description of the embodiments
As shown in the accompanying drawings: a biasing type electric automobile drive front axle assembly is characterized in that: the front axle housing assembly 19 is mounted with the speed reducer assembly 1 through bolts, the left axle housing assembly 8 is mounted in the middle of the left side of the front axle housing assembly 19, the right end of the left axle housing assembly 8 is connected with the left end of the speed reducer assembly 1, the right axle housing assembly 9 is mounted in the middle of the right side of the front axle housing assembly 19, the left end of the right axle housing assembly 9 is connected with the right end of the speed reducer assembly 1, the left axle housing assembly 8 is connected with the left brake assembly 10 through bolts, the right axle housing assembly 9 is connected with the right brake assembly 11 through bolts, and the left axle housing assembly 8 is longer than the right axle housing assembly 9.
The speed reducing assembly 1 consists of a speed reducer shell 18, a differential mechanism assembly 16 arranged at the front end of the speed reducer shell 18, an I-th gear shaft 20 arranged in the middle of the speed reducer shell 18 and an II-th gear shaft 21 arranged at the rear end of the speed reducer shell 18, wherein a helical gear 17 arranged on the left end face of the differential mechanism assembly 16 is meshed with the I-th gear shaft 20 arranged in the middle and the helical gear 17 arranged on the left end, the helical gear 17 arranged on the right end of the I-th gear shaft 20 is meshed with the II-th gear shaft 21 arranged at the rear end of the speed reducer shell 18, a motor connecting disc 2 is arranged on the left side of the II-th gear shaft 21, and the motor connecting disc 2 is connected with the left end face of the lower part of the speed reducer shell 18 through an inner hexagon bolt and a gasket.
The front axle housing assembly 19 include left shaft tube 3, left steel sheet spring holder 6, left axle tube flange 22, axle housing middle section 5, right shaft tube 4, right axle tube flange 23, right steel sheet spring holder 6, left shaft tube 3 longer than right shaft tube 4, left shaft tube 3, left steel sheet spring holder 6, left axle tube flange 22, axle housing middle section 5, right shaft tube 4, right axle tube flange 23, right steel sheet spring holder 6 all are connected through the welding mode.
The left half shaft assembly 8 and the left brake assembly 10 are respectively arranged on the inner cavity and the outer circle of the left bearing seat 24 and are arranged at the left end of the left shaft pipe flange 22 through bolts and gaskets, and the right half shaft assembly 9 and the right brake assembly 11 are respectively arranged on the inner cavity and the outer circle of the right bearing seat 25 and are arranged at the right end of the right shaft pipe flange 23 through bolts and gaskets.
The left steel plate spring seat 6 and the right steel plate spring seat 7 are respectively welded on one side in front of the left axle tube 3 and the right axle tube 4, the inclination angles of the left steel plate spring seat and the right steel plate spring seat are the same, the axle housing middle section 5 is also provided with a brake oil pipe support 14 and a vent plug seat 15, and the brake oil pipe support 14 and the vent plug seat 15 are welded on the front upper side of the axle housing middle section 5 in a welding mode.
The left half shaft assembly 8 and the right half shaft assembly 9 are arranged in holes on the left side and the right side of the differential mechanism assembly 16 at the front end of the speed reducer assembly 1, and the large end face of the speed reducer shell 18 of the speed reducer assembly 1 is mounted on the large end face of the axle shell middle section 5 of the front axle shell assembly 19 through bolts and washers.
The left side of the left brake assembly 10 is also provided with a left brake drum 12, the left brake drum 12 is fixedly connected with the left half shaft assembly 8 through bolts and nuts, the right side of the right brake assembly 11 is also provided with a right brake drum 13, and the right brake drum 13 is fixedly connected with the right half shaft assembly 9 through bolts and nuts.
The working principle of the utility model is as follows: when the motor is in operation, power (torque) output by an external motor is input to a gear through the left end of a II-th gear shaft 21 on the left side of a motor connecting disc 2 at the rear end of the speed reducer assembly 1, the gear at the right end of a I-th gear shaft 20 and a synchronous gear on an intermediate shaft are driven to move, the torque is transmitted to a differential mechanism in the differential mechanism assembly 16 to rotate, then the differential mechanism assembly 16 transmits the torque to a left half-shaft assembly 8 and a right half-shaft assembly 9 respectively, and the left half-shaft assembly 8 and the right half-shaft assembly 9 respectively drive left wheels and right wheels to rotate.
Claims (7)
1. A biasing type electric automobile drive front axle assembly is characterized in that: the front axle housing assembly, the left brake assembly, the right brake assembly, the left axle assembly and the right axle assembly are formed, the middle end of the front axle housing assembly is installed with the speed reducer assembly through bolts, the left axle assembly is installed in the middle of the left side of the front axle housing assembly, the right end of the left axle assembly is connected with the left end of the speed reducer assembly, the right axle assembly is installed in the middle of the right side of the front axle housing assembly, the left end of the right axle assembly is connected with the right end of the speed reducer assembly, the left axle assembly is connected with the left brake assembly through bolts, the right axle assembly is connected with the right brake assembly through bolts, and the left axle assembly is longer than the right axle assembly.
2. The offset electric vehicle drive front axle assembly of claim 1, wherein: the speed reducer assembly comprises a speed reducer shell, a differential mechanism assembly arranged at the front end of the speed reducer shell, an I-th gear shaft arranged in the middle of the speed reducer shell and a II-th gear shaft arranged at the rear end of the speed reducer shell, wherein the bevel gear cylindrical gear arranged on the left end face of the differential mechanism assembly is meshed with the bevel gear cylindrical gear arranged in the middle of the I-th gear shaft and the bevel gear cylindrical gear arranged at the left end of the differential mechanism assembly, the bevel gear cylindrical gear arranged at the right end of the I-th gear shaft is meshed with the II-th gear shaft arranged at the rear end of the speed reducer shell, and a motor connecting disc is arranged on the left side of the II-th gear shaft and is connected with the left end face of the lower portion of the speed reducer shell through an inner hexagon bolt and a gasket.
3. The offset electric vehicle drive front axle assembly of claim 1, wherein: the front axle housing assembly comprises a left axle tube, a left steel plate spring seat, a left axle tube flange, an axle housing middle section, a right axle tube flange and a right steel plate spring seat, wherein the left axle tube is longer than the right axle tube, and the left axle tube, the left steel plate spring seat, the left axle tube flange, the axle housing middle section, the right axle tube flange and the right steel plate spring seat are all connected in a welding mode.
4. The offset electric vehicle drive front axle assembly of claim 1, wherein: the left half shaft assembly and the left brake assembly are respectively arranged on the inner cavity and the excircle of the left bearing seat and are arranged at the left end of the left shaft pipe flange disc through bolts and gaskets, and the right half shaft assembly and the right brake assembly are respectively arranged on the inner cavity and the excircle of the right bearing seat and are arranged at the right end of the right shaft pipe flange disc through bolts and gaskets.
5. The offset electric vehicle drive front axle assembly of claim 3, wherein: the left steel plate spring seat and the right steel plate spring seat are welded on one side in front of the left shaft tube and the right shaft tube respectively, the inclination angles of the left steel plate spring seat and the right steel plate spring seat are the same, a brake oil tube support and a vent plug seat are further arranged on the middle section of the axle housing, and the brake oil tube support and the vent plug seat are welded on the front upper side of the middle section of the axle housing in a welding mode.
6. The offset electric vehicle drive front axle assembly of claim 1, wherein: the left half shaft assembly and the right half shaft assembly are inserted into holes on the left side and the right side of the differential mechanism assembly at the front end of the speed reducer assembly, and the large end face of the speed reducer shell of the speed reducer assembly is mounted on the large end face of the middle section of the axle shell of the front axle shell assembly through bolts and gaskets.
7. The offset electric vehicle drive front axle assembly of claim 1, wherein: the left brake assembly is characterized in that a left brake drum is further arranged on the left side of the left brake assembly, the left brake drum is fixedly connected with the left half shaft assembly through bolts and nuts, a right brake drum is further arranged on the right side of the right brake assembly, and the right brake drum is fixedly connected with the right half shaft assembly through bolts and nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915523.3U CN219749406U (en) | 2023-04-21 | 2023-04-21 | Offset type electric automobile drive front axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915523.3U CN219749406U (en) | 2023-04-21 | 2023-04-21 | Offset type electric automobile drive front axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219749406U true CN219749406U (en) | 2023-09-26 |
Family
ID=88076121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320915523.3U Active CN219749406U (en) | 2023-04-21 | 2023-04-21 | Offset type electric automobile drive front axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219749406U (en) |
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2023
- 2023-04-21 CN CN202320915523.3U patent/CN219749406U/en active Active
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