CN108340737A - A kind of electric axle assembly - Google Patents
A kind of electric axle assembly Download PDFInfo
- Publication number
- CN108340737A CN108340737A CN201810301380.0A CN201810301380A CN108340737A CN 108340737 A CN108340737 A CN 108340737A CN 201810301380 A CN201810301380 A CN 201810301380A CN 108340737 A CN108340737 A CN 108340737A
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- Prior art keywords
- reduction gear
- planetary reduction
- power output
- semiaxis
- differential mechanism
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- 230000009467 reduction Effects 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 241000239290 Araneae Species 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 abstract description 35
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect 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
- 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
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
-
- 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
- B60B35/16—Axle housings
-
- 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
Abstract
The invention discloses a kind of electric axle assemblies, including laterally disposed driving motor and hollow motor power output shaft；The left end of the motor power output shaft protrudes from the left side wall of the driving motor, and the right end of the motor power output shaft is set to the inside of the driving motor；It is fixedly connected with differential mechanism inside the left end of the motor power output shaft；Power output end at left and right sides of the differential mechanism is connected with the first semiaxis and the second semiaxis respectively；The left part of first semiaxis is fixedly connected with a planetary reduction gear, and second semiaxis is fixedly connected after extending transversely through the motor power output shaft with a planetary reduction gear；The planet carrier for planetary reduction gear of each planetary reduction gear is connected with a wheel respectively.The present invention is had excellent performance, and can significantly shorten the transmission chain length of electric automobile assembly, improves electric automobile assembly transmission efficiency, is reduced transmission efficiency loss, is effectively promoted the handling capacity of passengers and course continuation mileage of electric vehicle.
Description
Technical field
The present invention relates to electric vehicle manufacturing technology fields, more particularly to a kind of electric axle assembly.
Background technology
Currently, electric vehicle is because it is with energy conservation and environmental protection, the advantages such as compact-sized, mass volume ratio is small, it is traditional energy
The developing direction of automobile is widely used in the work of people and life, and therefore, people are to electric vehicle
Performance requirement is higher and higher.
Electric vehicle current development is swift and violent, and cruising ability always is the emphasis that user is concerned about, everybody mainly closes at present
The heart focuses primarily upon battery, because the capacity of battery and power density are the main determining factors of automobile continuation of the journey.Meanwhile at present
The power assembly of electric vehicle generally uses traditional internal-combustion engines vehicle power drive mechanism, specially：Motor is arranged in original
Driven generator and speed changer installation site, remain the structures such as transmission shaft and universal joint, the design of traditional power transmission be by
The output of motor is transmitted to differential mechanism again by retarder, is finally transmitted to semiaxis again and is exported.Therefore, in this design
In, electric automobile assembly transmission chain is longer, and larger so as to cause the loss of its transmission efficiency, transmission efficiency is relatively low, and greatly drops
The low space utilization of automobile chassis, is unable to reach the lightweight of power assembly of electric automobile and the maximum in battery arrangement space
Change, to increase the energy consumption of electric vehicle unit mounted mass, finally seriously affected electric vehicle handling capacity of passengers and
Course continuation mileage.
Therefore, the transmission chain length of electric automobile assembly can significantly be shortened there is an urgent need to develop a kind of technology is gone out at present
Degree improves the transmission efficiency of electric automobile assembly, and then effectively promotes the handling capacity of passengers and course continuation mileage of electric vehicle.
Invention content
In view of this, the object of the present invention is to provide a kind of electric axle assembly, it has excellent performance, can significantly contracts
The transmission chain length of short electric automobile assembly improves the transmission efficiency of electric automobile assembly, reduces transmission efficiency loss, Jin Eryou
Effect promotes the handling capacity of passengers and course continuation mileage of electric vehicle, significantly enhances product use feeling of the people to electric vehicle, ensures
The further genralrlization application of electric vehicle, is of great practical significance.
For this purpose, the present invention provides a kind of electric axle assembly, including laterally disposed driving motor and hollow
Motor power output shaft；
The left end of the motor power output shaft protrudes from the left side wall of the driving motor, the motor power output shaft
Right end be set to the inside of the driving motor；
It is fixedly connected with differential mechanism inside the left end of the motor power output shaft；
Power output end at left and right sides of the differential mechanism is connected with the first semiaxis and the second semiaxis respectively；
The left part of first semiaxis is fixedly connected with a planetary reduction gear, and second semiaxis extends transversely through described
It is fixedly connected with a planetary reduction gear after motor power output shaft；
Planet carrier for planetary reduction gear on each planetary reduction gear is connected with a wheel respectively.
Wherein, it is fixedly connected with the power input shaft of differential mechanism inside the left end of the motor power output shaft.
Wherein, the differential mechanism includes that vertical distribution runs through axis, two differential mechanism sun gears and two differential mechanisms
Planetary gear, it is described through the power input shaft that axis is the differential mechanism；
Wherein, the upper and lower ends through axis fix with the left end madial wall of the motor power output shaft connect respectively
It connects；
The upper and lower ends through axis are also respectively fixed with a placed longitudinally differential spider wheel；
Described two differential mechanism sun gears are located at described the right and left for running through axis, described two differential mechanism sun gears
For the power output end at left and right sides of the differential mechanism, described two differential mechanism sun gears are laterally disposed；
Positioned at the both sides up and down of the differential mechanism sun gear through the axis left side left side with two differential spider wheels respectively
Side is meshed, and is connected with the first semiaxis；
Positioned at the both sides up and down of the differential mechanism sun gear on the right of the axis right side with two differential spider wheels respectively
Side is meshed, and is connected with the second semiaxis.
Wherein, each planetary reduction gear includes a planetary reduction gear sun gear, two planetary reduction gear planetary gears
And planet carrier for planetary reduction gear, wherein：
The planetary reduction gear sun gear and the intermeshing of planetary reduction gear planetary gear；
Described two planetary reduction gear sun gears are connected with first semiaxis and the second semiaxis respectively；
One end of the planet carrier for planetary reduction gear is fixedly connected with the planetary reduction gear planetary gear, and the other end is fixedly connected
One wheel.
Wherein, the outside of the driving motor is covered with hollow driving motor shell；
The left end of the motor power output shaft is open and is covered with outside the left end of the motor power output shaft hollow
Differential mechanism shell；
The outside of each planetary reduction gear is covered with hollow planetary reduction gear shell.
Wherein, the outboard end of each planetary reduction gear shell is connected with an end cap.
Wherein, the motor power output shaft, differential mechanism, the first semiaxis, the second semiaxis and two planetary reduction gears is dynamic
Power exports on the same axis.
By the above technical solution provided by the invention as it can be seen that compared with prior art, one kind provided by the invention is novel
Electric axle assembly, has excellent performance, and can significantly shorten the transmission chain length of electric automobile assembly, improves electric automobile assembly
Transmission efficiency, reduce transmission efficiency loss, and then effectively promote the handling capacity of passengers and course continuation mileage of electric vehicle, significantly enhance
People have ensured the further genralrlization application of electric vehicle to the product use feeling of electric vehicle, have great production real
Trample meaning.
Description of the drawings
Fig. 1 is a kind of overall structure simplified schematic diagram of electric axle assembly provided by the invention；
Fig. 2 is a kind of a kind of structural schematic diagram of specific embodiment of electric axle assembly provided by the invention；
In figure, 1 is driving motor, and 2 be motor power output shaft, and 3 be differential mechanism, and 41 be the first semiaxis, and 42 be the second half
Axis, 5 be planetary reduction gear, and 6 be axle housing, and 7 be driving motor shell, and 8 be differential mechanism shell, and 9 be planetary reduction gear shell, and 10 are
End cap, 11 be planet carrier for planetary reduction gear；
31 is, through axis, 32 are differential mechanism sun gear, and 33 be differential spider wheel, and 40 be wheel；
51 be planetary reduction gear sun gear, and 52 be planetary reduction gear planetary gear.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction with the accompanying drawings with embodiment to this
Invention is described in further detail.
Referring to Fig. 1, Fig. 2, the present invention provides a kind of electric axle assemblies, including laterally disposed driving motor 1
With hollow motor power output shaft 2；
The left end of the motor power output shaft 2 protrudes from the left side wall of the driving motor 1, the motor power output
The right end of axis 2 is set to the inside of the driving motor 1；
It is fixedly connected with differential mechanism 3 inside the left end of the motor power output shaft 2, specially：The motor power is defeated
It is fixedly connected with the power input shaft of differential mechanism 3 inside the left end of shaft 2；
Power output end at left and right sides of the differential mechanism is connected with the first semiaxis 41 and the second semiaxis 42 respectively；
The left part of first semiaxis 41 is fixedly connected with a planetary reduction gear 5, and second semiaxis 42 laterally passes through
It is fixedly connected with a planetary reduction gear 5 after wearing the motor power output shaft 2；
The planetary reduction gear frame 11 of each planetary reduction gear 5 is connected with a wheel 40 respectively.
For the present invention, it should be noted that driving motor 1 is power source, outside by motor power output shaft 2 thereon
Power is exported, specially：Power is first reached motor power output shaft 2 by the driving motor 1 by motor power output shaft 2
Internal differential mechanism 3, then followed by reaching the first semiaxis 41 and the second semiaxis being connected with the power output shaft of differential mechanism 3
42, power is then reached again by two planetary reduction gears 5 by the first semiaxis 41 and the second semiaxis 42, passes through the planetary reduction gear sun
Wheel 51 and planetary reduction gear planetary gear 52 engage, and power is gone to planet carrier for planetary reduction gear 11, finally to external wheel 40
Export power, driving vehicle traveling.
In the present invention, in specific implementation, for the differential mechanism 3, concrete structure is：
The differential mechanism 3 include vertical distribution through axis 31 (power input shaft i.e. as differential mechanism 3), two
Differential mechanism sun gear 32 and two differential spider wheels 33；
Wherein, left end madial wall of the upper and lower ends through axis 31 respectively with the motor power output shaft 2 is fixed
Connection；
The upper and lower ends through axis 31 are also respectively fixed with a placed longitudinally differential spider wheel 33；
Described two differential mechanism sun gears 32 are located at described the right and left for running through axis 31, and described two differential mechanisms are too
Sun wheel 32 is the power output end at left and right sides of the differential mechanism, and described two differential mechanism sun gears 32 are laterally disposed；
Positioned at the both sides up and down of the differential mechanism sun gear 32 through 31 left side of axis respectively with two differential spider wheels
33 left side is meshed, and is connected with the first semiaxis 41；
Positioned at the both sides up and down of the differential mechanism sun gear 32 through the right of axis 31 respectively with two differential spider wheels
33 right side is meshed, and is connected with the second semiaxis 42.
Therefore, for the present invention, work as automobile normal running, when differential situation is not present in driving wheels, differential mechanism 3
Differential spider wheel 33 is equivalent to a bascule, does not generate rotation, and the torque for only transmitting motor power output shaft 2 is uniform
Distribute to two differential mechanism sun gears 32, drive two differential mechanism sun gears 32 to rotate, when there are differentials for driving wheels
When situation, two differential spider wheels 33 through 31 upper and lower ends of axis also and then rotate, at this time, two differential spider wheels
33 will accordingly drive two differential mechanism sun gears 32 to rotate at different rates, and two differential mechanism sun gears 32 are used as the differential
Power output end at left and right sides of device will drive the first semiaxis 41 and the second semiaxis 42 to rotate together, then by the first semiaxis 41
Power is reached into two planetary reduction gears 5 again with the second semiaxis 42, passes through planetary reduction gear sun gear 51 and planetary reduction gear row
Star-wheel 52 engages, and power is gone to planet carrier for planetary reduction gear 11, finally exports power to external wheel 40, drives vehicle row
It sails.Therefore, it for the present invention, compared with prior art, can significantly shorten the transmission chain length of electric automobile assembly, improve
The transmission efficiency of electric automobile assembly reduces transmission efficiency loss.
In the present invention, in specific implementation, for each planetary reduction gear 5, concrete structure is：
Each planetary reduction gear 5 includes 51, two planetary reduction gear planetary gears 52 of a planetary reduction gear sun gear
With planet carrier for planetary reduction gear 11, wherein：
The planetary reduction gear sun gear 51 and two planetary reduction gear planetary gears 52 are intermeshed；
Described two planetary reduction gear sun gears 51 are connected with first semiaxis, 41 and second semiaxis 42 respectively；
One end of the planet carrier for planetary reduction gear 11 is fixedly connected with the planetary reduction gear planetary gear 52, and the other end is fixed
One wheel 40 of connection (i.e. planet carrier for planetary reduction gear 11 is used as power output end).
It should be noted that in specific implementation, described two planetary reduction gear planetary gears 52 can subtract positioned at the planet
The both sides up and down of fast device sun gear 51, naturally it is also possible to be located at other positions, because of the position of planetary reduction gear planetary gear 52
It is not fixed, revolves round the sun around planetary reduction gear sun gear 51 while rotation.
It should be noted that for the present invention, described two planetary reduction gears 5, which are that both sides are double simultaneously, to slow down, power outflow
For same axis, power output is steady, transmission efficiency.
In the present invention, in specific implementation, the outside of the driving motor 1 is covered with hollow driving motor shell 7；
During the left end of the motor power output shaft 2 is open and is covered with outside the left end of the motor power output shaft 2
Empty differential mechanism shell 8；
The outside of each planetary reduction gear 5 is covered with hollow planetary reduction gear shell 9.
It should be noted that the external toothing of planetary reduction gear 5 is fixed on planetary reduction gear shell 9.
In the present invention, in specific implementation, the outboard end of each planetary reduction gear shell 9 is (i.e. far from driving motor 1
One end) be connected with an end cap 10.
In the present invention, in specific implementation, by the driving motor shell 7, differential mechanism shell 8, planetary reduction gear shell 9
Constitute the axle housing 6 of electric axle together with end cap 10.
In the present invention, in specific implementation, the motor power output shaft 2, differential mechanism 3, the first semiaxis 41, the second semiaxis
42 and two planetary reduction gears 5 power output on the same axis.
It should be noted that for electric axle assembly provided by the invention, in normal vehicle operation, driving
Motor by driving force by motor power output shaft pass to differential mechanism run through axis and two differential spider wheels, then,
Two planetary gears of differential mechanism are by imparting power to two sun gears of differential mechanism, and two sun gears of differential mechanism are as the differential
Power output end at left and right sides of device will drive the first semiaxis and the two semiaxis rotation of the second semiaxis, the first semiaxis and second
Semiaxis will be engaged by the sun gear of planetary reduction gear with planetary reduction gear planetary gear respectively, and power is passed to planetary reduction gear
Planet carrier, planet carrier for planetary reduction gear impart power to wheel again, the final normal operation for realizing vehicle.
Unlike traditional technology, the present invention provides a kind of electric axle assemblies, not only by driving motor,
Differential mechanism, planetary reduction gear, two semiaxis have carried out Deep integrating, while accordingly having carried out structure improvement, shorten transmission chain
Length increases compartment passenger space and battery arrangement space, improves the adaptability and competitiveness of product.
For the present invention, differential mechanism is integrated in inside motor power output shaft, the power of driving motor passes through motor
Power output shaft, differential mechanism, two semiaxis, planetary reduction gear are directly inputted to the wheel of both sides so that the input of power and defeated
Outlet is located at same axis, and therefore, the power output of electric axle assembly is steady and efficiency is higher.
As previously mentioned, the present invention in structure design, by designs of differentials before retarder, subtracts after carrying out first differential
Speed so that transmission torque is small, and the compact structure of such differential mechanism is small to size eventually.For example, the output torque when motor is
10N.m, reduction ratio 10, after formerly slowing down in the case of differential, the input torque of deceleration mechanism is 10N.m, and output torque is
100N.m, after differential mechanism, the output of two semiaxis is respectively 50N.m.In the case of deceleration after first differential of the invention, through difference
After fast device, the output of two semiaxis is respectively 5N.m, and after retarder, output is respectively 50N.m.
In specific implementation, both sides deceleration is carried out in invention, and torque is transmitted per side deceleration mechanism and there was only original half, this
So that radial dimension is small, lightweight is realized.
Compared with prior art, the present invention has technique effect below：
1, the present invention use hollow motor power output shaft, the second semiaxis after being passed through in motor power output shaft by
Planetary reduction gear is connected with wheel, to realize the coaxially arranged of motor and wheel so that power output is steady, efficiency
It is high；
2, the present invention is in structure design, by designs of differentials before retarder, in power output, carries out first differential
The kind of drive slowed down afterwards, such compact structure arrangement, has power transmission uniform, and transmission torque is small, and differential design size is small,
The features such as output is steady, transmission efficiency, lightweight；
3, the present invention carries out both sides and slows down, and the transmission torque of the deceleration mechanism per side only has original half, this makes diameter
It is small to size, realize lightweight；
4, the structure of the differential mechanism in the present invention is small, can be integrated in inside motor power output shaft, greatly reduce whole
The transmission chain of a electric axle, improves transmission performance, and compact-sized, the saving space of electric axle, weight saving is made simultaneously to subtract
The quantity of parts is lacked；
5, the present invention also eliminates the transmission parts such as orthodox car transmission shaft and universal joint, directly by driving motor, differential
The feature depths such as device, retarder, semiaxis are integrated, to increase compartment passenger space and the battery arrangement space of electric vehicle,
Improve the adaptability and competitiveness of product；
6, for the present invention, each parts volume for mainly solving electricity drive bridge in power transmission arrangment is larger, space
The problems such as utilization rate is low, and transmission chain is longer, and transmission efficiency is low, and course continuation mileage is short.
Therefore, in conclusion compared with prior art, the present invention provides a kind of electric axle assembly, property
Can be excellent, it can significantly shorten the transmission chain length of electric automobile assembly, improve the transmission efficiency of electric automobile assembly, reduce and pass
Efficiency of movement is lost, and then effectively promotes the handling capacity of passengers and course continuation mileage of electric vehicle, significantly enhances people to electric vehicle
Product use feeling has ensured the further genralrlization application of electric vehicle, has been of great practical significance.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of electric axle assembly, which is characterized in that including laterally disposed driving motor (1) and hollow motor
Power output shaft (2)；
The left end of the motor power output shaft (2) protrudes from the left side wall of the driving motor (1), the motor power output
The right end of axis (2) is set to the inside of the driving motor (1)；
It is fixedly connected with differential mechanism (3) inside the left end of the motor power output shaft (2)；
Power output end at left and right sides of the differential mechanism is connected with the first semiaxis (41) and the second semiaxis (42) respectively；
The left part of first semiaxis (41) is fixedly connected with a planetary reduction gear (5), and second semiaxis (42) is laterally
It is fixedly connected afterwards with a planetary reduction gear (5) through the motor power output shaft (2)；
The planet carrier for planetary reduction gear (11) of each planetary reduction gear (5) is connected with a wheel (40) respectively.
2. electric axle assembly as described in claim 1, which is characterized in that a left side for the motor power output shaft (2)
End is internal to be fixedly connected with the power input shaft of differential mechanism (3).
3. electric axle assembly as claimed in claim 2, which is characterized in that the differential mechanism (3) includes one vertical
Distribution run through axis (31), two differential mechanism sun gears (32) and two differential spider wheels (33), it is described to be through axis (31)
The power input shaft of the differential mechanism (3)；
Wherein, left end madial wall of the upper and lower ends through axis (31) respectively with the motor power output shaft (2) is fixed
Connection；
The upper and lower ends through axis (31) are also respectively fixed with a placed longitudinally differential spider wheel (33)；
Described two differential mechanism sun gears (32) are located at described the right and left for running through axis (31), and described two differential mechanisms are too
Sun wheel (32) is the power output end at left and right sides of the differential mechanism, and described two differential mechanism sun gears (32) are laterally disposed；
Positioned at the both sides up and down of the differential mechanism sun gear (32) through axis (31) left side respectively with two differential spider wheels
(33) it is meshed on the left of, and is connected with the first semiaxis (41)；
Positioned at the both sides up and down of the differential mechanism sun gear (32) on the right of the axis (31) respectively with two differential spider wheels
(33) it is meshed on the right side of, and is connected with the second semiaxis (42).
4. electric axle assembly as described in claim 1, which is characterized in that each the planetary reduction gear (5) includes
One planetary reduction gear sun gear (51), two planetary reduction gear planetary gears (52) and planet carrier for planetary reduction gear (11), wherein：
The planetary reduction gear sun gear (51) and two planetary reduction gear planetary gear (52) intermeshings；
Described two planetary reduction gear sun gears (51) are connected with first semiaxis (41) and the second semiaxis (42) respectively；
One end of the planet carrier for planetary reduction gear (11) is fixedly connected with the planetary reduction gear planetary gear (52), and the other end is fixed
Connect a wheel (40).
5. electric axle assembly as described in claim 1, which is characterized in that the outside of the driving motor (1) is covered with
Hollow driving motor shell (7)；
During the left end of the motor power output shaft (2) is open and is covered with outside the left end of the motor power output shaft (2)
Empty differential mechanism shell (8)；
The outside of each planetary reduction gear (5) is covered with hollow planetary reduction gear shell (9).
6. electric axle assembly as claimed in claim 5, which is characterized in that each planetary reduction gear shell (9)
Outboard end be connected with an end cap (10).
7. such as electric axle assembly according to any one of claims 1 to 6, which is characterized in that the motor power is defeated
Shaft (2), differential mechanism (3), the first semiaxis (41), the second semiaxis (42) and the power output of two planetary reduction gears (5) are same
On one axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810301380.0A CN108340737A (en) | 2018-04-04 | 2018-04-04 | A kind of electric axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810301380.0A CN108340737A (en) | 2018-04-04 | 2018-04-04 | A kind of electric axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108340737A true CN108340737A (en) | 2018-07-31 |
Family
ID=62958386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810301380.0A Pending CN108340737A (en) | 2018-04-04 | 2018-04-04 | A kind of electric axle assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN108340737A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895808A (en) * | 2021-02-07 | 2021-06-04 | 中国第一汽车股份有限公司 | Coaxial electric drive system and vehicle |
| CN112928859A (en) * | 2021-01-21 | 2021-06-08 | 清研众智测试技术（天津）有限公司 | Differential function rotor and driving motor |
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| CN106740020A (en) * | 2017-02-16 | 2017-05-31 | 重庆大学 | Electric motor car deceleration, differential integrated driving rear axle assy |
| CN208133969U (en) * | 2018-04-04 | 2018-11-23 | 清研新能源汽车工程中心（襄阳）有限公司 | A kind of electric axle assembly |
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2018
- 2018-04-04 CN CN201810301380.0A patent/CN108340737A/en active Pending
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| DE4300445A1 (en) * | 1993-01-09 | 1994-07-14 | Linde Ag | Vehicle self-supporting drive-axle with electric drive-motor |
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| CN203005086U (en) * | 2012-12-28 | 2013-06-19 | 辽宁曙光汽车集团股份有限公司 | Electric car coaxial direct connection type drive axle assembly |
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| CN106740020A (en) * | 2017-02-16 | 2017-05-31 | 重庆大学 | Electric motor car deceleration, differential integrated driving rear axle assy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928859A (en) * | 2021-01-21 | 2021-06-08 | 清研众智测试技术（天津）有限公司 | Differential function rotor and driving motor |
| CN112895808A (en) * | 2021-02-07 | 2021-06-04 | 中国第一汽车股份有限公司 | Coaxial electric drive system and vehicle |
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