CN207328138U - Electric drive axle device - Google Patents
Electric drive axle device Download PDFInfo
- Publication number
- CN207328138U CN207328138U CN201721391524.3U CN201721391524U CN207328138U CN 207328138 U CN207328138 U CN 207328138U CN 201721391524 U CN201721391524 U CN 201721391524U CN 207328138 U CN207328138 U CN 207328138U
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- gear
- electric drive
- drive axle
- driving
- shifting element
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Abstract
The utility model, which carries, is related to a kind of electric drive axle device, wherein, described device includes：Driving axle housing and the main reducing gear pinion gear being installed in axle housing and main reducing gear gear wheel；Drive motor；Driving motor is longitudinal and is installed on driving axle housing；Also it is installed in axle housing：Double clutch, including first clutch and second clutch；Planet row, including gear ring, sun gear and planet carrier, the first planetary gear and the second planetary gear of intermeshing transmission are equipped between gear ring and sun gear, first planetary gear and gear ring engaged transmission, second planetary gear and sun gear engaged transmission, sun gear and the driving axle housing are affixed, and gear ring and the main reducing gear pinion gear are affixed, first clutch is used to connect the driving motor and the planet carrier, and second clutch is used to connect driving motor and the gear ring.The electric drive axle device of the utility model, is provided with two gear gears in driving axle housing, and comprehensive performance is higher.
Description
Technical field
It the utility model is related to machinery field, more particularly to vehicle chassis and actuation techniques field, in particular to a kind of electricity
Drive axle device.
Background technology
Chinese patent CN102658770B discloses a kind of electric drive axle, it adds driving on the basis of conventional drive axle
Motor and formed, driving motor is installed in the input terminal of conventional drive axle, its power drives after main reducing gear and differential mechanism
Wheel.Other existing electric drive axles, independently drive the electric drive axle of wheel also more using fixation for example with two wheel motors
Fast ratio.However, as the fixed speed ratio retarder used on electric automobile is not so good as multi-shifting speed variator, fixed speed in comprehensive performance
The comprehensive performance of the electric drive axle of ratio need to be further improved.
Utility model content
The utility model provide a kind of topology layout rationally, safe and reliable, to be easy to technique assembling, comprehensive performance more excellent, suitable
With the relatively broad electric drive axle device of scope, to overcome the drawbacks described above of the prior art.
To achieve these goals, the utility model electric drive axle device has following form：
The electric drive axle device, it is mainly characterized by, and the device includes：
Driving axle housing and the main reducing gear pinion gear being installed in the driving axle housing and main reducing gear gear wheel；
Motor is driven, the driving motor is longitudinal and is installed on the driving axle housing；
Also it is installed in the driving axle housing：
Shift assembly, the shift assembly include the first shifting element and the second shifting element；
Planet row, the planet row include gear ring, sun gear and planet carrier, are equipped between the gear ring and the sun gear
It is intermeshed the first planetary gear and the second planetary gear of transmission, first planetary gear and the gear ring engaged transmission, described the
Two planetary gears and sun gear engaged transmission, the sun gear and the driving axle housing are affixed, and the gear ring subtracts with the master
Fast device pinion gear is affixed, and first shifting element is used to connect the driving motor and the planet carrier, second gearshift
Element is used to connect the driving motor and the gear ring.
Alternatively, electric drive axle device according to the present utility model, the shift assembly and the planet row divide along longitudinal direction
The both sides of the main reducing gear gear wheel are not arranged in, and first shifting element is connected by first longitudinal axis and the planet carrier
Connect, second shifting element is connected by second longitudinal axis with the gear ring.
Alternatively, electric drive axle device according to the present utility model, second longitudinal axis are hollow shaft, first longitudinal axis
It is arranged in the inner cavity of second longitudinal axis.
Alternatively, electric drive axle device according to the present utility model, first shifting element engages and described second changes
When keeping off element separation, the gearratio of the planet row is k/ (k-1), wherein, k is the structural characteristic parameter of planet row；Described
When two shifting elements engage and first shifting element separates, the gearratio of the planet row is 1.
Alternatively, electric drive axle device according to the present utility model, the value model of the structural characteristic parameter k of the planet row
Enclose for 1.8~3.5.
Alternatively, electric drive axle device according to the present utility model, the structural characteristic parameter k of the planet row is 2.
Alternatively, electric drive axle device according to the present utility model, further includes input end flanges, the input end flanges with
The rotor of the driving motor is fixedly connected, and the engine power transmitted by transmission shaft is delivered to the electric drive axle fills
In putting.
Alternatively, electric drive axle device according to the present utility model, the shift assembly are double clutch.
Alternatively, electric drive axle device according to the present utility model, the shift assembly are double synchronizers.
Using the electric drive axle device of the utility model, it is mainly characterized by being provided with shift assembly and planet in device
Row, as a result of planet row so that structure is more compact and steady, rocks component and planet row constitutes two gear gears, make
The electric drive axle device for obtaining this practical information is the electric drive axles with two gear speed changes, compared with the electric drive axle of the prior art originally
The comprehensive performance higher of the electric drive axle device of utility model, and the apparatus structure it is rationally distributed, it is safe and reliable, be easy to technique dress
Match somebody with somebody, the scope of application it is relatively broad.
Brief description of the drawings
Fig. 1 show the structure diagram of the electric drive axle device of the utility model specific embodiment.
Reference numeral
100 driving axle housings
200 driving motors
The rotor of 201 driving motors
1011 main reducing gear pinion gears
1012 main reducing gear gear wheels
102 double clutches
1021 first clutches
1022 second clutches
103 planet rows
1031 gear rings
1032 sun gears
1033 planet carriers
1034 first planetary gears
1035 second planetary gears
1041 first longitudinal axis
1042 second longitudinal axis；
105 input end flanges
Embodiment
In order to more clearly describe the technology contents of the utility model, come with reference to specific embodiment into traveling one
The description of step.
Fig. 1 show the structure diagram of the electric drive axle device of the utility model specific embodiment.As shown in Figure 1, institute
The device stated includes：Driving axle housing 100 and the main reducing gear pinion gear 1011 and main reducing gear that are installed in driving axle housing 100 are big
Gear 1012, the main reducing gear pinion gear 1011 are intermeshed with the main reducing gear gear wheel 1012；Drive motor
The 200 driving motors 200 are longitudinal and are installed on driving axle housing 100；Also it is installed in driving axle housing 100：Double clutch 102
(being used as shift assembly by the use of double clutch), which (changes including first clutch 1021 by the use of first clutch as first
Keep off element) and second clutch 1022 (being used as the second shifting element by the use of second clutch)；Planet row 103, including gear ring 1031,
Sun gear 1032 and planet carrier 1033, are equipped with the first planetary gear of intermeshing transmission between gear ring 1031 and sun gear 1032
1034 and second planetary gear 1035, the first planetary gear 1034 and the engaged transmission of gear ring 1031, the second planetary gear 1035 and sun gear
1032 engaged transmissions；Sun gear 1032 and driving axle housing 100 are affixed, and gear ring 1031 and main reducing gear pinion gear 1011 are affixed, the
One clutch 1021 is used to connect driving motor 200 and planet carrier 1033, and second clutch 1022 is used to connect driving motor 200
With gear ring 1031.
As shown in Figure 1, double clutch 102 and planet row 103 are arranged in main reducing gear gear wheel 1012 along longitudinal direction
Both sides, and first clutch 1021 is connected by first longitudinal axis 1041 with planet carrier 1033, second clutch 1022 passes through second
The longitudinal axis 1042 is connected with gear ring 1031.
As shown in Figure 1, second longitudinal axis 1042 is hollow shaft, first longitudinal axis 1041 is arranged in the inner cavity of second longitudinal axis 1042
In, i.e. second longitudinal axis 1042 and first longitudinal axis 1041 are arranged coaxial.
Two gears of height of electric drive axle device are by controlling point of first clutch 1021 and second clutch 1022
Realized from engagement.When first clutch 1021 engages and second clutch 1022 separates, low gear, planet row 103 are realized
Gearratio be k/ (k-1), wherein, k be planet row 103 structural characteristic parameter；Second clutch 1022 engage and first from
When clutch 1021 separates, high gear is realized, the gearratio of planet row 103 is 1.
Understand that, when sun gear 1032 is fixed, planet carrier 1033 inputs, gear ring according to the kinematical equation (1) of planet row
1031 outputs, can obtain corresponding low gear gearratio iLEquation (2) is as follows：
Nt-k*nq+ (k-1) nj=0 (1)
iL=nj/nq=k/ (k-1) (2)
In formula：Nt, nq and nj are 1033 rotating speed of sun gear 1032, gear ring 1031 and planet carrier respectively.Automobile-used planet row
The optional scope of structural characteristic parameter k is 1.5~4.0, and preferred scope is 1.8~3.5, and two shift transmissions 100 are achievable low
It is 1.33~3 to keep off gear range, and the low gear gear range of preferred implementation is 1.4~2.25.When k selections 2, low gear transmission
Than for 2.
Electric drive axle device can be used alone, and for pure electric vehicle, it is dynamic to can be used for composition tandem mixing
Power vehicle.In addition, electric drive axle device, which further includes, can input end flanges 105, input end flanges 105 and the rotor for driving motor
201 are fixedly connected, and the engine power transmitted by transmission shaft is delivered to electric drive axle device, so as to form parallel mixed
Power car, or series/parallel formula motor vehicle driven by mixed power are closed, is not limited thereto system.
In addition, except double synchronizers by the use of double clutch 102 as shift assembly, can also be used as shift assembly, its
His shift assembly of type is also possible, is not limited thereto system.
The electric drive axle device of the utility model specific embodiment, including：Driving axle housing and it is installed in the axle housing
Main reducing gear pinion gear and main reducing gear gear wheel；Drive motor；The driving motor is longitudinal and is installed in the driving axle housing
On；Also it is installed in the axle housing：Double clutch, including first clutch and second clutch；Planet row, including gear ring,
Sun gear and planet carrier, are equipped with the first planetary gear and the second row of intermeshing transmission between the gear ring and the sun gear
Star-wheel, first planetary gear and gear ring engaged transmission, second planetary gear and sun gear engaged transmission, it is described
Sun gear and the driving axle housing are affixed, and the gear ring and the main reducing gear pinion gear are affixed, and the first clutch is used for
The driving motor and the planet carrier are connected, the second clutch is used to connect the driving motor and the gear ring, by
Gears are kept off in being provided with two in driving axle housing, therefore a kind of higher electric drive axle device of comprehensive performance can be obtained.
Using the electric drive axle device of the utility model, it is mainly characterized by being provided with shift assembly and planet in device
Row, as a result of planet row so that structure is more compact and steady, rocks component and planet row constitutes two gear gears, make
The electric drive axle device for obtaining this practical information is the electric drive axles with two gear speed changes, compared with the electric drive axle of the prior art originally
The comprehensive performance higher of the electric drive axle device of utility model, and the apparatus structure it is rationally distributed, it is safe and reliable, be easy to technique dress
Match somebody with somebody, the scope of application it is relatively broad.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.Therefore, specification and drawings are regarded in an illustrative, rather than a restrictive.
Claims (9)
1. a kind of electric drive axle device, it is characterised in that the device includes：
Driving axle housing and the main reducing gear pinion gear being installed in the driving axle housing and main reducing gear gear wheel；
Motor is driven, the driving motor is longitudinal and is installed on the driving axle housing；
Also it is installed in the driving axle housing：
Shift assembly, the shift assembly include the first shifting element and the second shifting element；
Planet row, the planet row include gear ring, sun gear and planet carrier, are equipped between the gear ring and the sun gear mutual
The first planetary gear and the second planetary gear of engaged transmission, first planetary gear and gear ring engaged transmission, second row
Star-wheel and sun gear engaged transmission, the sun gear and the driving axle housing are affixed, the gear ring and the main reducing gear
Pinion gear is affixed, and first shifting element is used to connect the driving motor and the planet carrier, second shifting element
For connecting the driving motor and the gear ring.
2. electric drive axle device according to claim 1, it is characterised in that the shift assembly and planet row edge are vertical
To the both sides for being arranged in the main reducing gear gear wheel, and first shifting element passes through first longitudinal axis and the planet
Frame connects, and second shifting element is connected by second longitudinal axis with the gear ring.
3. electric drive axle device according to claim 2, it is characterised in that
Second longitudinal axis is hollow shaft, and first longitudinal axis is arranged in the inner cavity of second longitudinal axis.
4. electric drive axle device according to claim 3, it is characterised in that first shifting element engagement and described the
When two shifting elements separate, the gearratio of the planet row is k/ (k-1), wherein, k is the structural characteristic parameter of planet row；Institute
When stating the engagement of the second shifting element and first shifting element separation, the gearratio of the planet row is 1.
5. electric drive axle device according to claim 4, it is characterised in that the structural characteristic parameter k's of the planet row
Value range is 1.8~3.5.
6. electric drive axle device according to claim 5, it is characterised in that the structural characteristic parameter k of the planet row is
2。
7. electric drive axle device according to claim 6, it is characterised in that the device further includes input end flanges,
The input end flanges are fixedly connected with the rotor of the driving motor, the engine power transmission that will be transmitted by transmission shaft
Into the electric drive axle device.
8. the electric drive axle device according to one of claim 1 to 7, it is characterised in that the shift assembly is double clutches
Device.
9. the electric drive axle device according to one of claim 1 to 7, it is characterised in that the shift assembly is double synchronous
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391524.3U CN207328138U (en) | 2017-10-26 | 2017-10-26 | Electric drive axle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391524.3U CN207328138U (en) | 2017-10-26 | 2017-10-26 | Electric drive axle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207328138U true CN207328138U (en) | 2018-05-08 |
Family
ID=62362753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721391524.3U Active CN207328138U (en) | 2017-10-26 | 2017-10-26 | Electric drive axle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207328138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020093665A (en) * | 2018-12-12 | 2020-06-18 | トヨタ自動車株式会社 | Vehicular electric driving device |
-
2017
- 2017-10-26 CN CN201721391524.3U patent/CN207328138U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020093665A (en) * | 2018-12-12 | 2020-06-18 | トヨタ自動車株式会社 | Vehicular electric driving device |
| CN111301161A (en) * | 2018-12-12 | 2020-06-19 | 丰田自动车株式会社 | Vehicle electric drive system |
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