CN112519506A - Split type high-trafficability-characteristic double-motor power-split drive axle - Google Patents
Split type high-trafficability-characteristic double-motor power-split drive axle Download PDFInfo
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- CN112519506A CN112519506A CN201910878067.8A CN201910878067A CN112519506A CN 112519506 A CN112519506 A CN 112519506A CN 201910878067 A CN201910878067 A CN 201910878067A CN 112519506 A CN112519506 A CN 112519506A
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- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 239000000725 suspension Substances 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Classifications
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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
- B60B35/125—Power-transmission from drive shaft to hub using gearings of the planetary type
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a split type high-trafficability dual-motor power split drive axle. Belongs to the technical field of new energy automobile chassis. The novel electric vehicle mainly solves the problems that an externally-mounted structure on the electric vehicle in the existing market has large transmission efficiency loss, short driving range of the vehicle, large self weight of an assembly, and limited space arrangement and vehicle load. It is mainly characterized in that: the system comprises a first motor, a second motor, a first primary shunting speed reducing mechanism, a second primary shunting speed reducing mechanism, a first wheel-side speed reducer assembly, a second wheel-side speed reducer assembly, a first wheel assembly, a second wheel assembly, an independent suspension assembly and an axle housing; the first motor, the second motor, the first-stage shunt speed reducing mechanism and the second first-stage shunt speed reducing mechanism are respectively arranged on two sides of the middle part of the axle housing and are positioned above the input shafts of the first wheel-side speed reducer assembly and the second wheel-side speed reducer assembly. The invention has the characteristics of relatively small occupied chassis structure arrangement space, no influence on the arrangement quantity of batteries, wide efficient working area of the motor, high energy utilization rate, long driving range of the vehicle and capability of giving consideration to the dynamic property and the economical efficiency of the whole vehicle.
Description
Technical Field
The invention relates to the technical field of new energy automobile chassis, in particular to a split type high-trafficability dual-motor power split drive axle.
Background
In order to meet the market demand of new energy automobiles, more and more finished automobile manufacturers try to provide power by replacing an engine with a motor in the development of new automobile models, and most of the manufacturers adopt a motor externally-hung structure, namely a motor, a gearbox and a traditional integral axle. The structure has the following defects: firstly, the transmission efficiency loss is large due to the long transmission chain; secondly, because each part has a large volume, the chassis structure arrangement space is excessively occupied, the arrangement quantity of batteries is influenced, and the driving range of the vehicle is short; thirdly, the assembly has large self weight, so that the whole vehicle dynamic property and the economy are hardly considered. In addition, for a single motor driven axle, the arrangement space and the vehicle load are limited due to the limited power and specific power of the motor.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the split type high-trafficability dual-motor power split drive axle which is compact in structural arrangement, relatively shortens the length of a drive chain, and can improve the transmission efficiency, reduce the occupied space of an axle, reduce the weight of the whole axle, increase the passenger capacity of a carriage, increase the battery capacity and improve the driving range of a vehicle.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a two motor power reposition of redundant personnel transaxles of split type high trafficability characteristic, includes first motor, first wheel reduction assembly, second wheel reduction assembly, first wheel assembly, second wheel assembly, independent suspension assembly and axle housing, its characterized in that: the first primary flow dividing and reducing mechanism, the second primary flow dividing and reducing mechanism and the second motor are further included; the first motor and the second motor are respectively connected with the first wheel-side reducer assembly and the second wheel-side reducer assembly through a first primary flow-dividing speed reducing mechanism and a second primary flow-dividing speed reducing mechanism; the first motor and the second motor are respectively arranged at two sides of the center of the axle at intervals; the first motor, the second motor, the first primary flow-dividing speed reducing mechanism and the second primary flow-dividing speed reducing mechanism are arranged below the transmission shaft.
In the above scheme, the first primary-stage flow reduction mechanism includes a first large gear, a first idle gear, a second idle gear, a first small gear and a second output shaft, the first idle gear and the second idle gear are located between the first large gear and the first small gear, the first large gear is mounted on the first output shaft of the first motor, and the first small gear is mounted on the second output shaft; the second first-stage shunting speed reducing mechanism comprises a second large gear, a third idler gear, a fourth idler gear, a second small gear and a fifth output shaft, wherein the third idler gear and the fourth idler gear are positioned between the second large gear and the second small gear, the second large gear is arranged on the fourth output shaft of the fourth motor, and the second small gear is arranged on the fifth output shaft; the first output shaft or the fourth output shaft is positioned above the second output shaft or the fifth output shaft.
In the above scheme, the first motor is the same as the second motor, the first level split-flow speed reducing mechanism is the same as the second level split-flow speed reducing mechanism, and the first motor and the first level split-flow speed reducing mechanism are symmetrically distributed on two sides of the axle housing center as well as the second motor and the second level split-flow speed reducing mechanism.
In the scheme, an independent suspension assembly is respectively arranged between the axle housing center and two wheel sides; the upper end of the independent suspension assembly is connected with an automobile body, and the lower end of the independent suspension assembly is connected with an axle housing.
In the above scheme, the first hub reduction gear assembly includes a first sun gear, a first ring gear, a first planet carrier, a first planet gear and a third output shaft, and the first sun gear is connected with the first primary-stage split reduction mechanism; the second wheel-side reducer assembly comprises a second sun gear, a second gear ring, a second planet carrier, a second planet gear and a sixth output shaft, and the second sun gear is connected with the second first-stage shunt reduction mechanism.
In the above scheme, two ends of the third output shaft are respectively connected with the first planet carrier and the first wheel assembly; and two ends of the sixth output shaft are respectively connected with the second planet carrier and the second wheel assembly.
In the above scheme, the first wheel reduction assembly is located in the first wheel assembly, and the second wheel reduction assembly is located in the second wheel assembly.
In the scheme, the first motor is the same as the second motor, and the first primary flow-dividing speed reducing mechanism is the same as the second primary flow-dividing speed reducing mechanism; the first motor and the first primary flow-dividing speed reducing mechanism as well as the second motor and the second primary flow-dividing speed reducing mechanism are symmetrically distributed on two sides of the center of the axle housing; an independent suspension assembly is respectively arranged between the axle housing center and the two wheel sides; the upper end of the independent suspension assembly is connected with an automobile body, and the lower end of the independent suspension assembly is connected with an axle housing; the first hub reduction gear assembly comprises a first sun gear, a first gear ring, a first planet carrier, a first planet gear and a third output shaft, and the first sun gear is connected with the first primary-stage flow reduction mechanism; the second wheel-side reducer assembly comprises a second sun gear, a second gear ring, a second planet carrier, a second planet gear and a sixth output shaft, and the second sun gear is connected with the second primary shunting speed reducing mechanism; two ends of the third output shaft are respectively connected with the first planet carrier and the first wheel assembly; and two ends of the sixth output shaft are respectively connected with the second planet carrier and the second wheel assembly.
The two motors and the two-stage gear reduction mechanisms are integrated into a whole, the compact structural arrangement shortens the length of a transmission chain, improves the efficiency, reduces the space occupied by an axle, reduces the weight of the whole axle, increases the passenger capacity and the battery capacity of a carriage, and improves the driving range of the vehicle; the integral reliability is improved by the independent driving system of the double motors; the purposes of actively controlling differential speed and operating stability are achieved through a dual-motor independent control algorithm; the double motors are symmetrically and compactly distributed on two sides of the center of the axle, and independent suspension connection spaces are reserved at the center of the drive axle and two wheel sides.
Compared with the prior art, the invention has compact structure, high transmission efficiency, convenient structural arrangement of the chassis, light dead weight and good economical efficiency and safety of the whole vehicle.
The invention has the characteristics of relatively small occupied chassis structure arrangement space, no influence on the arrangement quantity of batteries, wide efficient working area of the motor, high energy utilization rate, long driving range of the vehicle and capability of giving consideration to the dynamic property and the economical efficiency of the whole vehicle.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the gear distribution of the first-stage flow-dividing speed-reducing mechanism of the present invention.
In the figure: 1. a first motor; 2. a first output shaft; 3. a first bull gear; 4. a first idler pulley; 5. a second idler pulley; 6. a first pinion gear; 7. a second output shaft; 8. a first sun gear; 9. a first ring gear; 10. a first carrier; 11. a third output shaft; 12. a first wheel assembly; 13. a second motor; 14. a fourth output shaft; 15. a second bull gear; 16. a third idler pulley; 17. a fourth idler pulley; 18. a second pinion gear; 19. a fifth output shaft; 20. a second sun gear; 21. a second ring gear; 22. a second planet carrier; 23. a sixth output shaft; 24. a second wheel assembly; 25. an independent suspension assembly; 26. a first planet gear; 27. a second planet wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a split type high-passing-performance double-motor power split drive axle comprises a first motor 1, a second motor 13, a first one-level split reduction mechanism, a second one-level split reduction mechanism, a first wheel reduction assembly, a second wheel reduction assembly, a first wheel assembly 12, a second wheel assembly 24, an independent suspension assembly 25 and an axle housing. The first electric machine 1 comprises a first output shaft 2 and the second electric machine 13 comprises a fourth output shaft 14. The first primary flow-dividing speed reducing mechanism comprises a first large gear 3, a first idle gear 4, a second idle gear 5, a first small gear 6 and a second output shaft 7, the second primary flow-dividing speed reducing mechanism comprises a second large gear 15, a third idle gear 16, a fourth idle gear 17, a second small gear 18 and a fifth output shaft 19, the arrangement space of the first primary flow-dividing speed reducing mechanism and the second primary flow-dividing speed reducing mechanism is reduced, and the reliability of the speed reducing mechanism is improved. The first wheel hub reduction gear assembly comprises a first sun gear 8, a first gear ring 9, a first planet carrier 10, a first planet wheel 26 and a third output shaft 11, the second wheel hub reduction gear assembly comprises a second sun gear 20, a second gear ring 21, a second planet carrier 22, a second planet wheel 27 and a sixth output shaft 23, and the wheel base length is reduced by the first wheel hub reduction gear assembly and the second wheel hub reduction gear assembly.
The first motor 1 and the first primary-stage flow reduction mechanism are located on one side of the middle of the axle housing and are connected with the first wheel-side reducer assembly. The second motor 13 and the second one-stage shunt speed reducing mechanism are positioned on the other side of the middle part of the axle housing and are connected with the second wheel-side speed reducer assembly.
The first gearwheel 3 is connected with one end of the first output shaft 2, the two ends of the second output shaft 7 are respectively connected with the first pinion 6 and the first sun gear 8, and the two ends of the third output shaft 11 are respectively connected with the first planet carrier 10 and the first wheel assembly 12. The second gearwheel 15 is connected with one end of the fourth output shaft 14, the two ends of the fifth output shaft 19 are respectively connected with the second pinion 18 and the second sun gear 20, the two ends of the sixth output shaft 23 are respectively connected with the second planet carrier 22 and the second wheel assembly 24, and the first gear ring 9 and the second gear ring 21 are fixedly connected on the axle housing. The first motor 1 and the first level shunting speed reducing mechanism are positioned above an input shaft of the first wheel reduction assembly, the second motor 13 and the second level shunting speed reducing mechanism are positioned above an input shaft of the second wheel reduction assembly, ground clearance of an axle is increased, and the whole vehicle has high trafficability.
The first idle gear 4 and the second idle gear 5 are located between the first large gear 3 and the first small gear 6, and the power of the first large gear 3 is transmitted to the first small gear 6 through the first idle gear 4 and the second idle gear 5. The third idler 16 and the fourth idler 17 are positioned between the second gearwheel 15 and the second pinion 18, the power of the second gearwheel 15 is transmitted to the second pinion 18 through the third idler 16 and the fourth idler 17, the power is split through the idlers, the stress strength of the gears is changed, and the reliability of the primary split reduction mechanism is improved.
The first motor 1 is the same as the second motor 13, the first level split-flow speed reducing mechanism is the same as the second level split-flow speed reducing mechanism, and the first motor 1 and the first level split-flow speed reducing mechanism, the second motor 13 and the second level split-flow speed reducing mechanism are symmetrically distributed on two sides of the axle housing center. The power transmission chains of the first motor 1 and the second motor 13 are symmetrically distributed, the power transmission process is consistent, and the transmission efficiency is high. The first motor 1 and the second motor 13 are drive motors of the same type or different types.
The independent suspension assemblies 25 are arranged between the middle of the axle housing and two wheel sides, an independent suspension assembly 25 is arranged between the axle housing center and the two wheel sides, the wheel sides refer to the axle housing positions beside the first wheel assembly 12 or the second wheel assembly 24, the upper ends of the independent suspension assemblies 25 are connected with an automobile body, and the lower ends of the independent suspension assemblies are connected with the axle housing. The first wheel reduction assembly is located within the first wheel assembly 12 and the second wheel reduction assembly is located within the second wheel assembly 24.
The drive axle of the invention integrates double motors, a symmetrical primary power split reduction mechanism and a primary wheel-side planet wheel reduction mechanism; the first wheel assembly 12 and the second wheel assembly 24 are driven independently by independent driving sources, and the driving wheels of the driving axle are wheels without mechanical power connection, so that independent torque output control can be performed, and active differential speed and torque differential control can be performed. The first motor 1 and the second motor 13 can be used by overlapping two low-power motors, so that the high-power effect is achieved, and the high-efficiency area of the motors is favorably used.
The invention has the following beneficial effects: 1. due to the design of double motors, the high-efficiency area of the motor is wider, and the use is more excellent; 2. each motor has small volume and more reasonable arrangement, and the space of the chassis is saved; 3. the double motors are symmetrically arranged, so that the problem of motor offset is solved, and the driving comfort of the vehicle is improved; 4. the wheel hub reducer is arranged, so that the trafficability and the dynamic property of the whole vehicle are improved; 5. the independent suspension design reduces the inclination and vibration of the vehicle body. 6. The idler gear drives, and the radial size of the speed reducing mechanism is reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a two motor power reposition of redundant personnel transaxles of split type high trafficability characteristic, includes first motor (1), first wheel reduction assembly, second wheel reduction assembly, first wheel assembly (12), second wheel assembly (24), independent suspension assembly (25) and axle housing, its characterized in that: the device also comprises a first primary flow-dividing speed reducing mechanism, a second primary flow-dividing speed reducing mechanism and a second motor (13); the first motor (1) and the second motor (13) are respectively connected with the first wheel-side reducer assembly and the second wheel-side reducer assembly through the first primary flow-dividing speed reducing mechanism and the second primary flow-dividing speed reducing mechanism; the first motor (1) and the second motor (13) are respectively arranged on two sides of the center of the axle at intervals; the first motor (1), the second motor (13), the first primary flow-dividing speed reducing mechanism and the second primary flow-dividing speed reducing mechanism are arranged above the transmission shaft.
2. The split type high-trafficability dual-motor power-split drive axle according to claim 1, wherein: the first primary stage flow reduction mechanism comprises a first large gear (3), a first idle gear (4), a second idle gear (5), a first small gear (6) and a second output shaft (7), wherein the first idle gear (4) and the second idle gear (5) are positioned between the first large gear (3) and the first small gear (6), the first large gear (3) is arranged on the first output shaft (2) of the first motor (1), and the first small gear (6) is arranged on the second output shaft (7); the second first-stage shunting speed reducing mechanism comprises a second large gear (15), a third idle gear (16), a fourth idle gear (17), a second small gear (18) and a fifth output shaft (19), the third idle gear (16) and the fourth idle gear (17) are positioned between the second large gear (15) and the second small gear (18), the second large gear (15) is arranged on a fourth output shaft (14) of the second motor (13), and the second small gear (18) is arranged on the fifth output shaft (19); the first output shaft (2) or the fourth output shaft (14) is located above the second output shaft (7) or the fifth output shaft (19).
3. The split type high-trafficability dual-motor power-split drive axle according to claim 1 or 2, wherein: the first motor (1) is the same as the second motor (13), and the first primary flow dividing and reducing mechanism is the same as the second primary flow dividing and reducing mechanism; the first motor (1), the first primary flow dividing and speed reducing mechanism, the second motor (13) and the second primary flow dividing and speed reducing mechanism are symmetrically distributed on two sides of the center of the axle housing.
4. The split type high-trafficability dual-motor power-split drive axle according to claim 1 or 2, wherein: an independent suspension assembly (25) is respectively arranged between the axle housing center and the two wheel sides; the upper end of the independent suspension assembly (25) is connected with an automobile body, and the lower end of the independent suspension assembly is connected with an axle housing.
5. The split type high-trafficability dual-motor power-split drive axle according to claim 1 or 2, wherein: the first hub reduction gear assembly comprises a first sun gear (8), a first gear ring (9), a first planet carrier (10), a first planet gear (26) and a third output shaft (11), and the first sun gear (8) is connected with a first primary split reduction mechanism; the second hub reduction gear assembly comprises a second sun gear (20), a second gear ring (21), a second planet carrier (22), a second planet gear (27) and a sixth output shaft (23), and the second sun gear (20) is connected with a second primary shunting speed reducing mechanism.
6. The split type high-trafficability dual-motor power-split drive axle according to claim 5, wherein: two ends of the third output shaft (11) are respectively connected with the first planet carrier (10) and the first wheel assembly (12); and two ends of the sixth output shaft (23) are respectively connected with the second planet carrier (22) and the second wheel assembly (24).
7. The split type high-trafficability dual-motor power-split drive axle according to claim 1 or 2, wherein: the first wheel reduction assembly is located in the first wheel assembly (12), and the second wheel reduction assembly is located in the second wheel assembly (24).
8. The split type high-trafficability dual-motor power-split drive axle according to claim 1 or 2, wherein: the first motor (1) is the same as the second motor (13), and the first primary flow dividing and reducing mechanism is the same as the second primary flow dividing and reducing mechanism; the first motor (1), the first primary flow dividing and speed reducing mechanism, the second motor (13) and the second primary flow dividing and speed reducing mechanism are symmetrically distributed on two sides of the center of the axle housing; an independent suspension assembly (25) is respectively arranged between the axle housing center and the two wheel sides; the upper end of the independent suspension assembly (25) is connected with an automobile body, and the lower end of the independent suspension assembly is connected with an axle housing; the first hub reduction gear assembly comprises a first sun gear (8), a first gear ring (9), a first planet carrier (10), a first planet gear (26) and a third output shaft (11), and the first sun gear (8) is connected with a first primary split reduction mechanism; the second hub reduction gear assembly comprises a second sun gear (20), a second gear ring (21), a second planet carrier (22), a second planet gear (27) and a sixth output shaft (23), and the second sun gear (20) is connected with a second primary split reduction mechanism; two ends of the third output shaft (11) are respectively connected with the first planet carrier (10) and the first wheel assembly (12); and two ends of the sixth output shaft (23) are respectively connected with the second planet carrier (22) and the second wheel assembly (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878067.8A CN112519506A (en) | 2019-09-17 | 2019-09-17 | Split type high-trafficability-characteristic double-motor power-split drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878067.8A CN112519506A (en) | 2019-09-17 | 2019-09-17 | Split type high-trafficability-characteristic double-motor power-split drive axle |
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| Publication Number | Publication Date |
|---|---|
| CN112519506A true CN112519506A (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910878067.8A Pending CN112519506A (en) | 2019-09-17 | 2019-09-17 | Split type high-trafficability-characteristic double-motor power-split drive axle |
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| CN (1) | CN112519506A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290889A (en) * | 2021-06-30 | 2022-04-08 | 华为数字能源技术有限公司 | Power device and vehicle |
| CN115583142A (en) * | 2022-11-11 | 2023-01-10 | 山东华星精密机械有限公司 | Electric drive axle with double motors for pure electric mine truck |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555773A (en) * | 2012-01-18 | 2012-07-11 | 武汉新能车桥技术发展有限公司 | Low-floor gate-type wheel-side motor rear axle for electric bus |
| CN109177726A (en) * | 2018-09-30 | 2019-01-11 | 湖南农夫机电有限公司 | One kind being used for crawler tractor wheel hem retarding mechanism |
| CN210733714U (en) * | 2019-09-17 | 2020-06-12 | 东风德纳车桥有限公司 | Split type high-trafficability-characteristic double-motor power-split drive axle |
-
2019
- 2019-09-17 CN CN201910878067.8A patent/CN112519506A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555773A (en) * | 2012-01-18 | 2012-07-11 | 武汉新能车桥技术发展有限公司 | Low-floor gate-type wheel-side motor rear axle for electric bus |
| CN109177726A (en) * | 2018-09-30 | 2019-01-11 | 湖南农夫机电有限公司 | One kind being used for crawler tractor wheel hem retarding mechanism |
| CN210733714U (en) * | 2019-09-17 | 2020-06-12 | 东风德纳车桥有限公司 | Split type high-trafficability-characteristic double-motor power-split drive axle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290889A (en) * | 2021-06-30 | 2022-04-08 | 华为数字能源技术有限公司 | Power device and vehicle |
| CN115583142A (en) * | 2022-11-11 | 2023-01-10 | 山东华星精密机械有限公司 | Electric drive axle with double motors for pure electric mine truck |
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