CN113978224A - Double-motor double-gear electric drive axle - Google Patents
Double-motor double-gear electric drive axle Download PDFInfo
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- CN113978224A CN113978224A CN202111358573.8A CN202111358573A CN113978224A CN 113978224 A CN113978224 A CN 113978224A CN 202111358573 A CN202111358573 A CN 202111358573A CN 113978224 A CN113978224 A CN 113978224A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
There is provided a dual-motor dual-gear electric drive axle, comprising: a first motor; a first gear; a first parallel axis; a second gear; a third gear and a fourth gear; a second motor; a fifth gear; a second parallel axis; a sixth gear; a seventh gear and an eighth gear; a first hollow shaft; a second hollow shaft; a third hollow shaft; and a differential. The electric drive axle has the advantages of simple structure, small volume, convenient assembly, high transmission efficiency and the like.
Description
Technical Field
The invention relates to the field of new energy vehicle transmission, in particular to a double-motor double-gear electric drive axle.
Background
The power system of the new energy commercial automobile can be divided into the following three types, wherein the first type is a traditional central driving arrangement mode, namely a motor, a gearbox and a drive axle; the second is an electric drive axle structure, compared with a central drive, the structure removes a gearbox, a transmission shaft and a bevel gear in the original drive axle, and a single-gear or few-gear speed reducing mechanism is additionally arranged; the third is a wheel edge/hub motor driving structure, compared with an electric drive axle mechanism, the structure is changed into an electronic differential mechanism by removing a physical differential mechanism, each wheel is driven by a motor independently, and the motor transmits power to the wheel through a fixed speed ratio speed reducer.
From the development trend of the driving system, the power system is developed in the direction of integration, high efficiency and light weight on the whole, the three driving structures have the highest integration level of a wheel edge/hub motor driving structure, the second driving structure is an electric drive axle structure, the lowest integration level is a central driving structure, the assembly is lighter as the integration level is higher, and therefore the light weight ordering is consistent with the integration level. In terms of efficiency, the first central driving structure has higher working efficiency of the motor due to more gears of the gearbox, but has lower overall efficiency due to the fact that the central driving transmission chain is longer and needs to transmit power to the drive axle through the bevel gear with lower transmission efficiency; although the transmission chain of the third wheel edge/hub motor driving structure is shortest, the driving motor is difficult to be in a high-efficiency area under all working conditions due to the adoption of a constant speed reducing mechanism, and the overall efficiency is not high; and the second kind of electric drive axle structure adopts a few gear reduction gears, can make the motor be in the high efficiency interval most of time under full operating mode, and the driving chain is also shorter, and is the spur gear transmission entirely, and whole comprehensive efficiency is the highest. The electric drive axle is the mainstream development trend in the field of new energy commercial vehicles at present by combining other factors, such as technical difficulty, arrangement space, vehicle control and the like.
The structural difficulty of the electric drive axle is that a speed reducing mechanism with few gears is arranged in the limited space of an axle housing, so that the whole vehicle can meet the requirements of climbing gradient and high-speed running. At present, a single motor and a two-gear reduction box are arranged on the market, and for a commercial vehicle, the size of the single motor is larger and the power modes are relatively fewer due to the fact that the required torque ratio is larger.
Therefore, there is a need to develop a dual-motor dual-gear electric drive axle to solve one or more of the above-mentioned technical problems.
Disclosure of Invention
To solve at least one of the above technical problems, according to an aspect of the present invention, there is provided a dual-motor dual-gear electric drive axle, comprising:
the first motor is connected to the first end of the first output shaft;
a first gear connected to a second end of the first output shaft;
a first parallel shaft arranged in parallel with the first output shaft;
a second gear connected to the first parallel shaft and engaged with the first gear;
third and fourth gears connected to the first parallel shaft;
the second motor is connected to the first end of the second output shaft;
a fifth gear connected to a second end of the second output shaft;
a second parallel shaft arranged in parallel with the second output shaft;
a sixth gear connected to the second parallel shaft and engaged with the fifth gear;
seventh and eighth gears connected to the second parallel shaft;
one end of the first hollow shaft is connected with a ninth gear, the other end of the first hollow shaft is connected with a first locking ring, and the ninth gear is meshed with the third gear and the seventh gear respectively;
one end of the second hollow shaft is connected with a tenth gear, the other end of the second hollow shaft is connected with a second locking ring, and the tenth gear is meshed with the fourth gear and the eighth gear respectively;
a third hollow shaft to which a shift module and a reduction planetary row are connected, the third hollow shaft being relatively rotatably fitted in and passing through the first and second hollow shafts, the shift module being disposed between the first and second lock rings and selectively engaged with or disengaged from the first or second lock ring; and
and the differential is connected with the reduction planet row and is provided with a first output half shaft and a second output half shaft, the first output half shaft can relatively rotatably penetrate through a third hollow shaft and extend out of the third hollow shaft, the third hollow shaft is arranged in parallel with the first parallel shaft and the second parallel shaft, and the third gear, the fourth gear, the seventh gear, the tenth gear, the first hollow shaft and the second hollow shaft are arranged between the first motor and the second motor.
In accordance with yet another aspect of the present invention, the first and second output half shafts are coaxial and extend in opposite directions.
According to yet another aspect of the present invention, the first motor is arranged in parallel with the second motor.
According to yet another aspect of the present invention, the first and second electric machines are symmetrically arranged about the first output axle.
According to a further aspect of the invention, the dual-motor, dual-gear electric transaxle has a symmetrical configuration about a line along which the first output half shaft is located.
According to yet another aspect of the invention, the first and second gears form a pair of reduction gears and the fifth and sixth gears form a pair of reduction gears.
According to yet another aspect of the present invention, the second gear, the fourth gear and the third gear become smaller in order.
According to a further aspect of the invention, the reduction planetary row comprises a sun wheel, planet wheels, a planet carrier and a ring gear, the planet carrier being connected with the housing of the differential.
According to yet another aspect of the present invention, the second through fourth gears are arranged in series in the direction of the second output half shaft.
According to a further aspect of the invention, the first hollow shaft, the gear shift module, the second hollow shaft, the planetary row and the differential are arranged in succession in the direction of the second output half shaft.
The invention can obtain one or more of the following technical effects:
1. the two-gear speed reducing mechanism is integrated by adopting external double-motor drive, has compact and simple structure and is easy to arrange;
2. the transmission with a large reduction ratio can be realized so as to reduce the requirement on large torque of the motor;
3. most components can be arranged in the space between the double motors arranged in parallel, and smaller arrangement space is occupied.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of a dual-motor dual-gear electric drive axle according to a preferred embodiment of the present invention.
Detailed Description
The best mode for carrying out the present invention will be described in detail with reference to the accompanying drawings, wherein the detailed description is for the purpose of illustrating the invention in detail, and is not to be construed as limiting the invention, as various changes and modifications can be made therein without departing from the spirit and scope thereof, which are intended to be encompassed within the appended claims.
Example 1
According to a preferred embodiment of the present invention, referring to fig. 1, there is provided a dual-motor dual-gear electric drive axle, characterized by comprising:
a first motor 1 connected to a first end of a first output shaft 2;
a first gear 3 connected to a second end of the first output shaft 2;
a first parallel shaft 5 arranged in parallel with the first output shaft 2;
a second gear 4 connected to the first parallel shaft 5 and engaged with the first gear 3;
a third gear 6 and a fourth gear 7 connected to the first parallel shaft 5;
a second motor 21 connected to a first end of the second output shaft 22;
a fifth gear 23 connected to a second end of the second output shaft 22;
a second parallel shaft 25 arranged in parallel with the second output shaft 22;
a sixth gear 24 connected to the second parallel shaft 25 and engaged with the fifth gear 23;
a seventh gear 26 and an eighth gear 27 connected to the second parallel shaft 25;
a first hollow shaft, one end of which is connected with a ninth gear 8 and the other end of which is connected with a first lock ring 10, wherein the ninth gear 8 is respectively meshed with the third gear 6 and the seventh gear 26;
a second hollow shaft, one end of which is connected with a tenth gear 9 and the other end of which is connected with a second locking ring 12, wherein the tenth gear 9 is respectively meshed with the fourth gear 7 and the eighth gear 27;
a third hollow shaft 20 to which a shift module 11 and a reduction planetary row are connected, the third hollow shaft 20 being relatively rotatably sleeved in and passing through the first and second hollow shafts, the shift module 11 being disposed between the first lock ring 10 and the second lock ring 12 and selectively engaged with the first lock ring 10 or the second lock ring 12 or disengaged from the first lock ring 10 and the second lock ring 12; and
and a differential 17 connected to the reduction planetary row and having a first output half shaft 18 and a second output half shaft 19, the first output half shaft 18 being relatively rotatably inserted into a third hollow shaft 20 and extending out of the third hollow shaft 20, the third hollow shaft 20 being arranged in parallel with the first parallel shaft 5 and the second parallel shaft 25, and the third gear 6, the fourth gear 7, the seventh to tenth gears 9, the first hollow shaft, and the second hollow shaft being arranged between the first motor 1 and the second motor 21.
Preferably, the third gear 6, the fourth gear 7, the seventh to tenth gears 9, the first hollow shaft and the second hollow shaft are disposed in a space defined by the first motor 1 and the second motor 21. Specifically, the space is a rectangular space defined by the lengths of the first motor and the second motor in the horizontal direction in fig. 1, a left end connecting line of the first motor and the second motor, and a right end connecting line of the first motor and the second motor.
According to a further preferred embodiment of the invention, said first output half-shaft 18 and second output half-shaft 19 extend coaxially and in opposite directions.
According to a further preferred embodiment of the present invention, the first electric machine 1 is arranged in parallel with the second electric machine 21.
According to a further preferred embodiment of the invention, said first electric machine 1 and second electric machine 21 are arranged symmetrically with respect to the first output half-shaft 18.
According to a further preferred embodiment of the invention, said two-motor two-gear electric drive axle has a symmetrical configuration with respect to the line in which the first output half shaft 18 is located.
According to a further preferred embodiment of the present invention, said first gear 3 and second gear 4 form a pair of reduction gears, and said fifth gear 23 and sixth gear 24 form a pair of reduction gears.
According to a further preferred embodiment of the invention, the second gear 4, the fourth gear 7 and the third gear 6 are made smaller in sequence.
According to a further preferred embodiment of the invention, the reduction row comprises a sun wheel 13, planet wheels 14, a planet carrier 16 and a ring wheel 15, the planet carrier 16 being connected to the housing of a differential 17.
According to a further preferred embodiment of the invention, the second to fourth gears 7 are arranged in succession in the direction of the second output half shaft 19.
According to a further preferred embodiment of the invention, the first hollow shaft, the shift module 11, the second hollow shaft, the planetary row and the differential 17 are arranged in succession in the direction of the second output half shaft 19.
According to another preferred embodiment of the present invention, there is provided a dual-motor dual-gear electric drive axle, characterized in that: the motor comprises two motors 1 and 21 which are arranged in parallel and two motor shafts 2 and 22 which are arranged in parallel, wherein one end of each motor shaft is connected with the motors 1 and 21, and the other end of each motor shaft is fixedly connected with an output gear 3 and an output gear 23; comprises two auxiliary shafts (parallel shafts) 5 and 25 which are arranged in parallel, three gears are arranged on the auxiliary shafts, the left end gears 4 and 24 are meshed with the output gears 3 and 23, and the middle gears 6 and 26 and the right end gears 7 and 27 are respectively meshed with gears 8 and 9 arranged on an intermediate shaft 20; the left half shaft 18 needs to penetrate through the middle shaft to be connected with the left wheel side, and the middle shaft is fixedly connected with a set of gear shifting modules 11 besides the two gears 8 and 9; the planetary reduction module comprises a planetary reduction module, wherein a sun gear 13 of the planetary reduction module is fixedly connected with the intermediate shaft 20, and the planetary reduction module also comprises a planetary gear 14, a gear ring 15 and a planet carrier 16; the differential 17 comprises a differential 17, the differential 17 can be of a type and a structure which are commonly used in the field, and the specific type and the structure are not limited, wherein a planet carrier 16 in the planetary reduction module is fixedly connected with the differential 17 and distributes power to a left half shaft 18 and a right half shaft 19.
Advantageously, the double parallel shaft compound transmission can transmit large torque requirements and simultaneously reduce the requirements on the size of the gear; the double motors are arranged externally, and the output gear of the motor shaft and the gear on the parallel shaft are respectively and independently meshed, so that a large reduction ratio can be realized, and the requirement on the torque of the motors is reduced; the fixed shaft gear transmission and the planetary gear transmission are connected in series for working, the high-speed stage is the fixed shaft gear pair transmission of the first two stages, and the low-speed stage is the planetary gear transmission.
Preferably, two motors 1 and 21 which are arranged in parallel are arranged, the power of the motor 1 is transmitted to an output gear 3 through a motor shaft 2, the output gear 3 is meshed with a gear 4 at the left end of a countershaft, and the power is transmitted to a countershaft 5 fixedly connected with the gear 4 at the left end of the countershaft; the power of the motor 21 is transmitted to an output gear 23 through a motor shaft 22, the output gear 23 is meshed with a left end gear 24 of a countershaft, and the power is transmitted to a countershaft 25 fixedly connected with the left end gear 24 of the countershaft; a two-gear speed-changing gear-shifting module is arranged on the intermediate shaft 20, a gear-shifting part joint sleeve 11 on the gear-shifting module can slide left and right and can be meshed with a left lock ring 10 or a right lock ring 12, and the connection between the intermediate shaft 20 and an intermediate shaft first gear 8 or an intermediate shaft second gear 9 is realized; when the engaging sleeve 11 moves leftwards to be engaged with the left gear 10, the intermediate shaft 20 is connected with the intermediate shaft first gear 8, the power transmitted to the auxiliary shaft 5 by the motor 1 is transmitted to the intermediate shaft 20 through the auxiliary shaft intermediate gear 6 and the intermediate shaft first gear 8 engaged with the auxiliary shaft, and the power transmitted to the auxiliary shaft 25 by the motor 21 is transmitted to the intermediate shaft 20 through the auxiliary shaft intermediate gear 26 and the intermediate shaft first gear 8 engaged with the auxiliary shaft, so that the process of converging the power of the motor 1 and the power of the motor 21 to the intermediate shaft is realized, and the process of A gear is realized at the same time. When the engaging sleeve 11 moves rightwards and is engaged with the right lock ring 12, the intermediate shaft 20 is connected with the intermediate shaft second gear 9, the power transmitted to the auxiliary shaft 5 by the motor 1 is transmitted to the intermediate shaft 20 through the auxiliary shaft right end gear 7 and the intermediate shaft second gear 9 engaged with the auxiliary shaft right end gear 7, the power transmitted to the auxiliary shaft 25 by the motor 21 is transmitted to the intermediate shaft 20 through the auxiliary shaft right end gear 27 and the intermediate shaft second gear 9 engaged with the auxiliary shaft right end gear, the process of converging the power of the motor 1 and the power of the motor 21 to the intermediate shaft 20 is realized, and the process of B gear is also realized; the sun gear 13 in the planetary speed reduction module is fixedly connected with the intermediate shaft 20, the gear ring 15 is fixedly connected with the box body, so the gear ring 15 is fixed, the planet gear 14 is connected with the planet carrier 16 and is simultaneously meshed with the sun gear 13 and the gear ring 15, so the power on the intermediate shaft 20 can be transmitted to the planet carrier 16 through the sun gear 13 and the planet gear 14; the planet carrier 16 is fixedly connected with the differential 17, the power on the planet carrier 16 can be transmitted to the differential 17, and the differential 17 distributes the power to the left half shaft 18 and the right half shaft 19 according to the actual road condition.
The invention can obtain one or more of the following technical effects:
1. the two-gear speed reducing mechanism is integrated by adopting external double-motor drive, has compact and simple structure and is easy to arrange;
2. the transmission with a large reduction ratio can be realized so as to reduce the requirement on large torque of the motor;
3. most components can be arranged in the space between the double motors arranged in parallel, and smaller arrangement space is occupied.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a two motors double-gear electric drive axle which characterized in that includes:
the first motor is connected to the first end of the first output shaft;
a first gear connected to a second end of the first output shaft;
a first parallel shaft arranged in parallel with the first output shaft;
a second gear connected to the first parallel shaft and engaged with the first gear;
third and fourth gears connected to the first parallel shaft;
the second motor is connected to the first end of the second output shaft;
a fifth gear connected to a second end of the second output shaft;
a second parallel shaft arranged in parallel with the second output shaft;
a sixth gear connected to the second parallel shaft and engaged with the fifth gear;
seventh and eighth gears connected to the second parallel shaft;
one end of the first hollow shaft is connected with a ninth gear, the other end of the first hollow shaft is connected with a first locking ring, and the ninth gear is meshed with the third gear and the seventh gear respectively;
one end of the second hollow shaft is connected with a tenth gear, the other end of the second hollow shaft is connected with a second locking ring, and the tenth gear is meshed with the fourth gear and the eighth gear respectively;
a third hollow shaft to which a shift module and a reduction planetary row are connected, the third hollow shaft being relatively rotatably fitted in and passing through the first and second hollow shafts, the shift module being disposed between the first and second lock rings and selectively engaged with or disengaged from the first or second lock ring; and
and the differential is connected with the reduction planet row and is provided with a first output half shaft and a second output half shaft, the first output half shaft can relatively rotatably penetrate through a third hollow shaft and extend out of the third hollow shaft, the third hollow shaft is arranged in parallel with the first parallel shaft and the second parallel shaft, and the third gear, the fourth gear, the seventh gear, the tenth gear, the first hollow shaft and the second hollow shaft are arranged between the first motor and the second motor.
2. The dual-motor dual-gear electric transaxle of claim 1 wherein the first and second output half shafts are coaxial and extend in opposite directions.
3. The dual-motor dual-gear electric drive axle according to claim 1, wherein the first motor is arranged in parallel with the second motor.
4. The dual-motor, dual-gear electric transaxle of any one of claims 1-3 wherein the first and second electric machines are symmetrically disposed about the first output axle.
5. The dual-motor dual-gear electric transaxle of any one of claims 1-3 wherein the dual-motor dual-gear electric transaxle has a symmetrical configuration about a line along which the first output half shaft is located.
6. The dual-motor dual-range electric transaxle of claim 5 wherein the first and second gears form a pair of reduction gears and the fifth and sixth gears form a pair of reduction gears.
7. The dual-motor dual-range electric transaxle of claim 6 wherein the second, fourth, and third gears are sequentially smaller.
8. The dual-motor dual-gear electric transaxle of claim 7 wherein the reduction planetary row comprises a sun gear, a planet carrier, and a ring gear, the planet carrier being connected to the housing of the differential.
9. The dual-motor dual-range electric transaxle of claim 8 wherein the second through fourth gears are arranged in series in the direction of the second output half shaft.
10. The dual-motor, dual-gear electric transaxle of claim 9 wherein the first hollow shaft, the shift module, the second hollow shaft, the planetary row, and the differential are sequentially arranged in a direction along the second output half shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111358573.8A CN113978224A (en) | 2021-11-16 | 2021-11-16 | Double-motor double-gear electric drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111358573.8A CN113978224A (en) | 2021-11-16 | 2021-11-16 | Double-motor double-gear electric drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113978224A true CN113978224A (en) | 2022-01-28 |
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ID=79748920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111358573.8A Pending CN113978224A (en) | 2021-11-16 | 2021-11-16 | Double-motor double-gear electric drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113978224A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115972896A (en) * | 2022-11-23 | 2023-04-18 | 江苏华永复合材料有限公司 | Efficient multi-gear electric drive bridge transmission system |
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| WO2018121515A1 (en) * | 2016-12-26 | 2018-07-05 | 苏州绿控传动科技有限公司 | Electric drive axle |
| WO2018130101A1 (en) * | 2017-01-13 | 2018-07-19 | 苏州绿控传动科技有限公司 | Electric drive axle |
| CN112519501A (en) * | 2019-09-17 | 2021-03-19 | 东风德纳车桥有限公司 | Double-motor integrated two-gear AMT double-speed parallel shaft output two-stage belt wheel side speed reduction electric drive axle |
| CN112644262A (en) * | 2021-01-07 | 2021-04-13 | 中国重汽集团济南动力有限公司 | Double-motor electric drive axle of belt wheel side speed reducer |
| CN112659870A (en) * | 2021-01-12 | 2021-04-16 | 中国重汽集团济南动力有限公司 | Double-motor electric drive axle assembly of belt wheel side speed reducer |
| CN112706597A (en) * | 2021-01-12 | 2021-04-27 | 中国重汽集团济南动力有限公司 | Double-motor electric drive axle |
| CN216545693U (en) * | 2021-11-16 | 2022-05-17 | 江苏华永复合材料有限公司 | Compact double-motor double-gear electric drive axle system |
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2021
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018121515A1 (en) * | 2016-12-26 | 2018-07-05 | 苏州绿控传动科技有限公司 | Electric drive axle |
| WO2018130101A1 (en) * | 2017-01-13 | 2018-07-19 | 苏州绿控传动科技有限公司 | Electric drive axle |
| CN112519501A (en) * | 2019-09-17 | 2021-03-19 | 东风德纳车桥有限公司 | Double-motor integrated two-gear AMT double-speed parallel shaft output two-stage belt wheel side speed reduction electric drive axle |
| CN112644262A (en) * | 2021-01-07 | 2021-04-13 | 中国重汽集团济南动力有限公司 | Double-motor electric drive axle of belt wheel side speed reducer |
| CN112659870A (en) * | 2021-01-12 | 2021-04-16 | 中国重汽集团济南动力有限公司 | Double-motor electric drive axle assembly of belt wheel side speed reducer |
| CN112706597A (en) * | 2021-01-12 | 2021-04-27 | 中国重汽集团济南动力有限公司 | Double-motor electric drive axle |
| CN216545693U (en) * | 2021-11-16 | 2022-05-17 | 江苏华永复合材料有限公司 | Compact double-motor double-gear electric drive axle system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115972896A (en) * | 2022-11-23 | 2023-04-18 | 江苏华永复合材料有限公司 | Efficient multi-gear electric drive bridge transmission system |
| CN115972896B (en) * | 2022-11-23 | 2023-10-27 | 江苏华永复合材料有限公司 | Multi-gear electric drive bridge transmission system |
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