CN111923727A - Two-gear electric drive axle arrangement structure for commercial vehicle - Google Patents
Two-gear electric drive axle arrangement structure for commercial vehicle Download PDFInfo
- Publication number
- CN111923727A CN111923727A CN202010865040.8A CN202010865040A CN111923727A CN 111923727 A CN111923727 A CN 111923727A CN 202010865040 A CN202010865040 A CN 202010865040A CN 111923727 A CN111923727 A CN 111923727A
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- gear
- electric drive
- axle
- rear axle
- shaft
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Classifications
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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
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
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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
Abstract
A two-gear electric drive axle arrangement structure for a commercial vehicle comprises an electric drive system, a rear axle assembly, a frame and a universal coupling; the electric drive system comprises an electric drive system shell assembly, a motor and a transmission, the electric drive system shell assembly is arranged behind the rear axle assembly and is fixed on the frame by adopting three-point suspension, the motor and the transmission are arranged in the electric drive system shell assembly, the transmission comprises an input shaft, an intermediate shaft, a first-gear driving gear, a second-gear driving gear, a first-gear driven gear, a synchronizer and a second-gear driven gear, and the intermediate shaft and a rear axle main speed reduction input gear of the rear axle assembly are respectively connected with two ends of the universal coupling. The two-gear electric drive axle adopts a rear-drive integrated arrangement structure, so that the battery arrangement space is saved for the middle part of a vehicle body; the two-gear power transmission is adopted, so that the working efficiency interval and size of the motor are optimized, and the arrangement space and the power performance of the whole vehicle are improved; the problem of the maneuverability is poor and NVH is poor that the integrated arrangement structure of rear-guard brought is solved.
Description
Technical Field
The invention belongs to the technical field of electric commercial vehicles, relates to a driving system, and particularly relates to a two-gear electric drive axle arrangement structure for a commercial vehicle.
Background
A traditional two-gear electric drive axle of a commercial vehicle generally adopts a middle rear-drive arrangement structure and a rear-drive integrated arrangement structure.
Referring to fig. 1, a mid-rear drive type arrangement structure generally integrates a motor 1 and a gearbox 2 together to form an electric drive system, the electric drive system is integrated on a vehicle body through three-point suspension, and output torque is transmitted to a rear axle differential 6 and then to a rear wheel 7 through a transmission shaft 3 and a rear axle main reduction input gear 4. The two ends of the transmission shaft 3 are provided with universal joints 5, so that the torque transmission of the electric drive system with a transmission included angle under the vibration working condition can be met. However, the arrangement structure occupies most of the space in the middle of the chassis of the vehicle body, and the arrangement of the battery is greatly influenced. Because the commercial vehicle has the demand of pulling and sending load in practice, the battery endurance has higher requirement, and the arrangement structure seriously influences the arrangement of the battery, so that the cost performance of the whole vehicle is lower.
Referring to fig. 2, the rear-drive integrated arrangement structure generally integrates the motor 1 and the gearbox 2 on a rear axle assembly, and the whole structure is connected with the vehicle body without suspension and belongs to unsprung mass. Although the arrangement structure can save the space of the chassis and increase the arrangement space of the battery, the whole rear axle assembly is provided with the unsprung mass, and the increase of the unsprung mass can cause the problems of poor maneuverability and NVH (noise, vibration and harshness) of the whole automobile, so that the performance of the two-gear electric drive axle is greatly reduced, and the problems of after-sale maintenance and replacement cost are brought at the same time.
Disclosure of Invention
The invention aims at the problems and provides a two-gear electric drive axle arrangement structure for a commercial vehicle.
The purpose of the invention can be realized by the following technical scheme: a two-gear electric drive axle arrangement structure for a commercial vehicle comprises an electric drive system, a rear axle assembly, a frame and a universal coupling; the electric drive system comprises an electric drive system shell assembly, a motor and a transmission, wherein the electric drive system shell assembly is arranged behind a rear axle assembly and is fixed on a frame in a three-point suspension manner, the motor and the transmission are arranged in the electric drive system shell assembly, the transmission comprises an input shaft, an intermediate shaft, a first-gear driving gear, a second-gear driving gear, a first-gear driven gear, a synchronizer and a second-gear driven gear, the input shaft is connected with an output shaft of the motor, the input shaft is provided with the first-gear driving gear and the second-gear driving gear, the intermediate shaft is provided with the first-gear driven gear, the synchronizer and the second-gear driven gear, the first-gear driven gear and the second-gear driven gear are respectively meshed with the first-gear driving gear and the second-gear driving gear, and the synchronizer is connected; and the middle shaft and the rear axle main reduction input gear of the rear axle assembly are respectively connected with two ends of the universal coupling.
Further, the output shaft of the motor is arranged toward the left in the vehicle width direction, and the intermediate shaft of the transmission is arranged in parallel on the front side of the input shaft. Furthermore, the input shaft of the transmission is in splined connection with the output shaft of the motor, the first-gear driving gear and the second-gear driving gear are fixed on the input shaft, the first-gear driven gear and the second-gear driven gear are respectively installed on the intermediate shaft through bearings, and the synchronizer is in splined connection with the intermediate shaft.
Furthermore, the electric drive system shell assembly is fixed on a left longitudinal beam and a rear cross beam of the frame by adopting three-point suspension. Furthermore, the three-point suspension is a first suspension and a second suspension which are respectively connected to the left longitudinal beam and a third suspension which is connected to the rear cross beam, the first suspension and the second suspension support a portion of the electric drive system housing assembly corresponding to the transmission, and the third suspension supports a portion of the electric drive system housing assembly corresponding to the motor.
Furthermore, the two ends of the universal coupling are universal joints, one end of the universal coupling is connected with the middle shaft through an output flange, and the other end of the universal coupling is connected with the rear axle main reduction input gear through a rear axle input flange.
The rear axle assembly comprises a rear axle housing assembly, a rear axle main speed reduction input gear, a rear axle differential, a left half axle adapter shaft, a left half axle and a right half axle, wherein the rear axle main speed reduction input gear, the rear axle differential, the left half axle adapter shaft and the right half axle are arranged in the rear axle housing assembly, the rear axle main speed reduction input gear is meshed with a main speed reduction driven gear of the rear axle differential, two half axle gears of the rear axle differential are respectively connected with the left half axle adapter shaft and the right half axle, and the left half axle adapter shaft is connected with the left half axle. Furthermore, a first connecting flange and a second connecting flange are respectively fixed at the left end of the left half shaft rotating shaft and the right end of the left half shaft, and the first connecting flange is connected with the second connecting flange.
Compared with the prior art, the invention has the beneficial effects that: the rear-drive integrated arrangement structure is adopted, so that the extra-large space is saved for arranging the batteries in the middle of the vehicle body, the batteries can be arranged from the rear axle to the vehicle head of the vehicle, the space utilization rate of the vehicle body is greatly increased, and the higher requirements of the commercial vehicle on load and endurance are effectively met; by adopting two-gear power transmission, the working efficiency interval of the motor can be effectively optimized, the motor is ensured to be in a high-efficiency high-performance interval for a long time, the acceleration performance and the highest vehicle speed performance of the commercial vehicle are improved, the size of the motor is reduced, the weight is reduced, and the arrangement space and the power performance of the whole vehicle are further improved for a rear-mounted rear-drive scheme; adopt universal joint decoupling zero electric drive system and rear axle differential mechanism, electric drive system is fixed in on the longeron and the crossbeam of automobile body through three point suspension, and its weight is sprung mass, and unsprung mass keeps unchangeable than traditional commercial car, has effectively solved the poor problem of maneuverability and NVH that current rear-guard integrated arrangement structure brought, can guarantee to exert the optimum with two grades of electric drive axle performance simultaneously.
Drawings
Fig. 1 is a schematic diagram of a mid-rear drive arrangement structure of a two-gear electric drive axle for a commercial vehicle in the prior art.
Fig. 2 is a schematic diagram of a two-gear electric drive axle rear drive integrated arrangement structure for a commercial vehicle in the prior art.
The components in fig. 1 and 2 are numbered as follows:
1 motor, 2 gear boxes, 3 transmission shafts, 4 rear axle main reduction input gears, 5 universal joints, 6 differentials and 7 rear wheels.
Fig. 3 is a schematic structural diagram of the present invention.
The components in fig. 3 are numbered as follows:
the driving system comprises an electric drive system shell assembly 1, a motor 2, an input shaft 3, an intermediate shaft 4, a first-gear driving gear 5, a second-gear driving gear 6, a first-gear driven gear 7, a synchronizer 8, a second-gear driven gear 9, a left longitudinal beam 10, a rear cross beam 11, a first suspension 12, a second suspension 13, a third suspension 14, a rear axle housing assembly 15, a rear axle housing assembly 16, a rear axle main speed reduction input gear, a rear axle differential 17, a left half axle connecting shaft 18, a left half axle 19, a right half axle 20, a first connecting flange 21, a second connecting flange 22, a universal coupling 23, an output flange 24 and a rear axle input flange 25.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in conjunction with the accompanying drawings to make it clear to those skilled in the art how to practice the present invention. While the invention has been described in connection with preferred embodiments thereof, these embodiments are merely illustrative, and not restrictive, of the scope of the invention.
Referring to fig. 3, a two-gear electric drive axle arrangement structure for a commercial vehicle comprises an electric drive system, a rear axle assembly, a frame and a universal coupling 23.
The electric drive system comprises an electric drive system shell assembly 1, a motor 2 and a transmission. The motor 2 and the transmission are installed in the electric drive system shell assembly 1, and an output shaft of the motor 2 is arranged towards the left in the width direction of the vehicle body. The transmission comprises an input shaft 3, an intermediate shaft 4, a first-gear driving gear 5, a second-gear driving gear 6, a first-gear driven gear 7, a synchronizer 8 and a second-gear driven gear 9, the input shaft 3 is arranged along the width direction of the vehicle body and is connected with an output shaft spline of the motor 2, a first gear driving gear 5 and a second gear driving gear 6 which are arranged left and right are fixed on the input shaft 3, the intermediate shaft 4 is arranged in parallel at the front side of the input shaft 3, a first-gear driven gear 7, a synchronizer 8 and a second-gear driven gear 9 are sequentially arranged on the intermediate shaft 4 from left to right, the first-gear driven gear 7 and the second-gear driven gear 9 are respectively arranged on the intermediate shaft 4 through bearings, the first-gear driven gear 7 and the second-gear driven gear 9 are respectively meshed with the first-gear driving gear 5 and the second-gear driving gear 6, the synchronizer 8 is splined to the counter shaft 4 and is engaged with the first-gear driven gear 7 or the second-gear driven gear 9. The electric drive system shell assembly 1 is arranged behind a rear axle assembly and is fixed on a left longitudinal beam 10 and a rear cross beam 11 of a frame by adopting three-point suspension, wherein the three-point suspension is a first suspension 12 and a second suspension 13 which are connected to the left longitudinal beam 10 and a third suspension 14 which is connected to the rear cross beam 11 respectively, the first suspension 12 and the second suspension 13 support the part of the electric drive system shell assembly 1 corresponding to a transmission, and the third suspension 14 supports the part of the electric drive system shell assembly 1 corresponding to a motor 2.
The rear axle assembly comprises a rear axle housing assembly 15, a rear axle main speed reduction input gear 16, a rear axle differential 17, a left half axle adapter shaft 18, a left half axle 19, a right half axle 20, a first connecting flange 21 and a second connecting flange 22. Rear axle final reduction input gear 16, rear axle differential 17, left axle adapter shaft 18, right axle 20 install in rear axle housing assembly 15, rear axle final reduction input gear 16 and rear axle differential 17's final reduction driven gear meshing, two half shaft gears of rear axle differential 17 are connected with the right-hand member of left axle adapter shaft 18 and the left end of right axle 20 respectively, the left end of left side axle adapter shaft 18 and the right-hand member of left axle 19 are fixed with first flange 21 and second flange 22 respectively, first flange 21 and second flange 22 are connected.
The two ends of the universal coupling 23 are universal joints, one end of the universal coupling is connected with the intermediate shaft 4 through the output flange 24, the other end of the universal coupling is connected with the rear axle main speed reduction input gear 16 through the rear axle input flange 25, and the universal coupling 23 can meet the torque transmission of an electric drive system with a transmission included angle under the vibration working condition.
When the arrangement structure of the electric drive axle is in the first gear, the synchronizer 8 is connected with the first-gear driven gear 7, the torque of the motor 2 is the peak value when the motor is started, and the acceleration performance of the whole vehicle can be instantly improved by the transmission of the first-gear large speed ratio. When the transmission works, the motor 2 transmits torque to the input shaft 3 of the transmission, the first-gear driving gear 5 on the input shaft 3 is transmitted to the first-gear driven gear 7, then the torque is transmitted to the rear axle input flange 25 through the intermediate shaft 4, the output flange 24 and the universal coupling 23, then the torque is transmitted to the rear axle differential 17 through the rear axle main speed reduction input gear 16, and finally the torque is transmitted to the left rear wheel through the left half shaft connecting shaft 18, the first connecting flange 21, the second connecting flange 22 and the left half shaft 19 and transmitted to the right rear wheel through the right half shaft 20.
This electric drive axle arrangement structure is when second gear, and synchronizer 8 and second gear driven gear joint this moment keep off the hourly speed less, can promote the highest speed of a motor vehicle, and second gear little velocity ratio can guarantee that motor 2 need not be in the high rotational speed interval all the time simultaneously, has avoided high-speed squeal of motor 2, has obtained better NVH performance. When the transmission works, the motor 2 transmits torque to the input shaft 3 of the transmission, the second-gear driving gear on the input shaft 3 is transmitted to the second-gear driven gear, then the torque is transmitted to the rear axle input flange 25 through the intermediate shaft 4, the output flange 24 and the universal joint 23, then the torque is transmitted to the rear axle differential 17 through the rear axle main speed reduction input gear 16, and finally the torque is transmitted to the left rear wheel through the left half shaft connecting shaft 18, the first connecting flange 21, the second connecting flange 22 and the left half shaft 19 and transmitted to the right rear wheel through the right half shaft 20.
This electric drive axle arrangement structure adopts rearmounted rear-guard integrated arrangement structure, compares with current middle rear-guard integrated arrangement structure of putting, has saved the super large space for the automobile body middle part and has arranged the battery, guarantees that the vehicle from the rear axle toward the locomotive direction homoenergetic and arranges the battery package, greatly increased automobile body space utilization, has effectively satisfied the higher demand of commercial car on load and continuation of the journey. This electric drive axle arrangement structure adopts two grades of formula power transmission, compares with fixed velocity ratio, can effectively optimize the work efficiency interval of motor 2, guarantees that motor 2 is in the high efficiency high performance interval for a long time, has promoted the acceleration performance and the highest speed of a motor vehicle performance of commercial car, has reduced motor 2's size moreover, has alleviateed weight, has further promoted arrangement space and whole car dynamic property for the rear-drive scheme. This electric drive axle arrangement structure adopts universal joint 23 to decouple electric drive system and rear axle differential 17 effectively, and electric drive system is fixed in on the longeron and the crossbeam of automobile body through three point suspension, and its weight is sprung mass, and unsprung mass keeps unchangeable than traditional commercial car, has effectively solved the poor problem of maneuverability and NVH difference that current rear-guard integrated arrangement structure brought, can guarantee to exert two grades of electric drive axle performance to the optimum simultaneously.
It should be noted that many variations and modifications of the embodiments of the present invention fully described are possible and are not to be considered as limited to the specific examples of the above embodiments. The above examples are given by way of illustration of the invention and are not intended to limit the invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (8)
1. A two-gear electric drive axle arrangement structure for a commercial vehicle is characterized by comprising an electric drive system, a rear axle assembly, a vehicle frame and a universal coupling;
the electric drive system comprises an electric drive system shell assembly, a motor and a transmission, wherein the electric drive system shell assembly is arranged behind a rear axle assembly and is fixed on a frame in a three-point suspension manner, the motor and the transmission are arranged in the electric drive system shell assembly, the transmission comprises an input shaft, an intermediate shaft, a first-gear driving gear, a second-gear driving gear, a first-gear driven gear, a synchronizer and a second-gear driven gear, the input shaft is connected with an output shaft of the motor, the input shaft is provided with the first-gear driving gear and the second-gear driving gear, the intermediate shaft is provided with the first-gear driven gear, the synchronizer and the second-gear driven gear, the first-gear driven gear and the second-gear driven gear are respectively meshed with the first-gear driving gear and the second-gear driving gear, and the synchronizer is connected; and the middle shaft and the rear axle main reduction input gear of the rear axle assembly are respectively connected with two ends of the universal coupling.
2. The two-speed electric transaxle arrangement of a commercial vehicle according to claim 1 wherein an output shaft of the motor is disposed toward the left in a vehicle width direction, and an intermediate shaft of the transmission is disposed in parallel on a front side of the input shaft.
3. The two-speed transaxle layout structure of a commercial vehicle according to claim 2, wherein the input shaft of the transmission is splined to the output shaft of the motor, the first-speed driving gear and the second-speed driving gear are fixed to the input shaft, the first-speed driven gear and the second-speed driven gear are respectively mounted on the intermediate shaft through bearings, and the synchronizer is splined to the intermediate shaft.
4. The two-speed electric drive axle arrangement structure for commercial vehicles according to claim 1, wherein the electric drive system housing assembly is fixed to the left side member and the rear cross member of the vehicle frame by three-point suspension.
5. The two-speed electric drive axle arrangement for commercial vehicles according to claim 4, wherein the three-point suspension is a first suspension and a second suspension connected to the left side member and a third suspension connected to the rear cross member, respectively, the first suspension and the second suspension supporting portions of the electric drive system housing assembly corresponding to the transmission, and the third suspension supporting portions of the electric drive system housing assembly corresponding to the motor.
6. The two-speed electric drive axle arrangement structure for the commercial vehicle according to claim 1, wherein two ends of the universal coupling are universal joints, one end of the universal coupling is connected with the intermediate shaft through an output flange, and the other end of the universal coupling is connected with a main speed reduction input gear of the rear axle through a rear axle input flange.
7. The two-speed electric drive axle arrangement structure for the commercial vehicle according to any one of claims 1 to 6, wherein the rear axle assembly comprises a rear axle housing assembly, a rear axle main reduction input gear, a rear axle differential, a left half axle adapter shaft, a left half axle and a right half axle, the rear axle main reduction input gear, the rear axle differential, the left half axle adapter shaft and the right half axle are mounted in the rear axle housing assembly, the rear axle main reduction input gear is meshed with a main reduction driven gear of the rear axle differential, two half axle gears of the rear axle differential are respectively connected with the left half axle adapter shaft and the right half axle, and the left half axle adapter shaft and the left half axle are connected.
8. The arrangement structure of coaxial electric drive axle of commercial vehicle of claim 7, characterized in that the left end of the left half axle shaft and the right end of the left half axle shaft are respectively fixed with a first connecting flange and a second connecting flange, and the first connecting flange and the second connecting flange are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865040.8A CN111923727A (en) | 2020-08-25 | 2020-08-25 | Two-gear electric drive axle arrangement structure for commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865040.8A CN111923727A (en) | 2020-08-25 | 2020-08-25 | Two-gear electric drive axle arrangement structure for commercial vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN111923727A true CN111923727A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010865040.8A Pending CN111923727A (en) | 2020-08-25 | 2020-08-25 | Two-gear electric drive axle arrangement structure for commercial vehicle |
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| CN (1) | CN111923727A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114771228A (en) * | 2022-03-22 | 2022-07-22 | 陕西法士特齿轮有限责任公司 | Commercial car bi-motor tertiary transmission electric drive axle assembly |
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| DE102007060684A1 (en) * | 2007-12-17 | 2009-06-25 | Kessler & Co. Gmbh & Co. Kg | Drive axle for motor vehicle, particularly heavy load vehicle, has differential or axle drive arrangement that is arranged in center part of axle housing, and drive axle is formed as rigid axle |
| CN105966237A (en) * | 2015-12-31 | 2016-09-28 | 比亚迪股份有限公司 | Vehicle and drive axle module used for vehicle |
| CN106080156A (en) * | 2016-07-26 | 2016-11-09 | 重庆小康工业集团股份有限公司 | Drive system after the rear-mounted electric commercial vehicle of back axle |
| CN206086372U (en) * | 2016-10-12 | 2017-04-12 | 常州东风无级变速器有限公司 | Power assembly of electric motor car |
| CN208993478U (en) * | 2018-10-13 | 2019-06-18 | 合肥美桥汽车传动及底盘系统有限公司 | A kind of Non-carrying type independent drive electric vehicle bridge |
| CN110816168A (en) * | 2018-08-11 | 2020-02-21 | 合肥工业大学 | Axle framework of sprung integrated electric drive assembly |
| CN110857024A (en) * | 2018-08-24 | 2020-03-03 | 重庆宗申无级变速传动有限公司 | Power assembly for electric automobile |
| CN210978405U (en) * | 2019-10-29 | 2020-07-10 | 重庆青山工业有限责任公司 | Two-gear speed reducer of new energy automobile |
| CN212499889U (en) * | 2020-08-25 | 2021-02-09 | 上海伊控动力系统有限公司 | Two-gear electric drive axle arrangement structure for commercial vehicle |
-
2020
- 2020-08-25 CN CN202010865040.8A patent/CN111923727A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050023885A1 (en) * | 2003-07-30 | 2005-02-03 | Bennett John L. | Axle assembly with transverse mounted electric motors |
| DE102007060684A1 (en) * | 2007-12-17 | 2009-06-25 | Kessler & Co. Gmbh & Co. Kg | Drive axle for motor vehicle, particularly heavy load vehicle, has differential or axle drive arrangement that is arranged in center part of axle housing, and drive axle is formed as rigid axle |
| CN105966237A (en) * | 2015-12-31 | 2016-09-28 | 比亚迪股份有限公司 | Vehicle and drive axle module used for vehicle |
| CN106080156A (en) * | 2016-07-26 | 2016-11-09 | 重庆小康工业集团股份有限公司 | Drive system after the rear-mounted electric commercial vehicle of back axle |
| CN206086372U (en) * | 2016-10-12 | 2017-04-12 | 常州东风无级变速器有限公司 | Power assembly of electric motor car |
| CN110816168A (en) * | 2018-08-11 | 2020-02-21 | 合肥工业大学 | Axle framework of sprung integrated electric drive assembly |
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| CN210978405U (en) * | 2019-10-29 | 2020-07-10 | 重庆青山工业有限责任公司 | Two-gear speed reducer of new energy automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114771228A (en) * | 2022-03-22 | 2022-07-22 | 陕西法士特齿轮有限责任公司 | Commercial car bi-motor tertiary transmission electric drive axle assembly |
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