CN207931390U - A kind of torque fixed direction allocation electric drive axle based on double-rotor machine - Google Patents
A kind of torque fixed direction allocation electric drive axle based on double-rotor machine Download PDFInfo
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Abstract
The utility model discloses a kind of torque fixed direction allocation electric drive axle based on double-rotor machine, including：Main drive motor, output end connect the shell of bevel differential by deceleration mechanism；Contrarotating double-rotor machine comprising coaxially can relative rotation setting outer rotor and internal rotor；The first output end driving tooth rotation of first output gear transmission mechanism is fixedly connected with double-rotor machine outer rotor outlet, the first output end driven gear and the first half axis connections；The second output terminal driving gear of second output terminal gear drive is fixedly connected with the internal rotor output end of double-rotor machine, and second output terminal driven gear bevel differential shell is fixedly connected；Wherein, the first gear of output end transmission mechanism and second output terminal gear drive transmission ratio having the same.Torque fixed direction allocation electric drive axle provided by the utility model based on double-rotor machine, realizes both sides wheel torque fixed direction allocation, action response is rapid, integrated level is high without clutch.
Description
Technical field
The utility model belongs to technical field of electric vehicle transmission, more particularly to a kind of torque based on double-rotor machine is fixed
To distribution electric drive axle.
Background technology
In recent years, it is constantly progressive with the improvement of people ' s living standards with technology, people also put forward the quality of automobile
Increasingly higher demands are gone out, by being initially only gradually transitioned into safety, comfort, economy as the demand of walking-replacing tool
Property in the demands such as driving pleasure, people are also increasing year by year the demand of high-performing car.Therefore, for high-performing car
Innovation Input be also very necessary.
Electric vehicle is the important development direction that future transportation mode adapts to energy-saving and emission-reduction, receives various countries and payes attention to, and
Good development was achieved in recent years.The development of Electric Cars in China is started in full-sized bus and small-sized low side electric vehicle, so
And with the development of electronic information technology, electric vehicle has promoted just gradually to information-based, high-endization development with tesla, than Asia
The high-performance of enlightening Tang Wei representatives, sports type electric vehicle.Therefore, in order to improve the cornering ability of electric vehicle, develop high-performance
Electric vehicle, the application of the electric drive axle with torque fixed direction allocation function is to improve that electric vehicle engineering is horizontal and product
The important means of power.
Orthodox car drive axle is located at transmission system end, mainly by main reducing gear, bevel differential, semiaxis and driving
The compositions such as axle housing, wherein bevel differential are the important components in drive axle.Due to bevel differential " differential is not poor
Turn round " principle, cause the driving torque that engine transmits that can only be evenly distributed on the wheel of both sides, adheres in this way on road surface unequal
In the case of can not just utilize traction well, or even there is the case where wheel-slip in low attachment side, cause vehicle
Unstability.Meanwhile automobile is in tempo turn, since the load of inside shifts outward, it is also possible to inboard wheel be caused to reach
Trackslipping to limit of adhesion generation makes automobile unstability.It, can be fully sharp if driving torque can arbitrarily distribute between the wheel of both sides
With the limit of adhesion of each wheel, it is significantly reduced above-mentioned unstability operating mode.In addition, road surface attachment is unequal at the wheel of both sides
When, driving torque can be by the lateral high attachment side transfer of low attachment one, to eliminate the operating mode that low attachment single wheel skids.
When automobile is in tempo turn, if driving torque is by inboard wheel, wheel shifts outward, can prevent inboard wheel from trackslipping,
And increases the lateral force nargin of vehicle, while generating an additional yaw moment, which can help to push and guide
Turn inside diameter improves turn inside diameter mobility and limit cornering ability.
Currently, the technology is to be applied to some high-end sports cars in the form of torque fixed direction allocation bevel differential
In SUV, such as the super four-wheel drive system (SH-AWD) of Honda and Mitsubishi super active sideway control system (SAYC), however
But there is no excessive applications on electric vehicle for the technology, in addition, the existing torque orientation point for being applied to traditional 4 wheel driven automobile
With bevel differential technology often by the planetary gear that arrangement is controlled by multi-disc electromagnetism or hydraulic clutch in drive axle
Mechanism come realize torque horizontal transfer distribution.Since there are sliding wear losses when clutch is combined and disconnected, system work(is increased
Consumption.And clutch locking torque is limited, and acts there are response lag, this affect torque fixed direction allocation implementation effect and
Quality.In addition, multigroup planetary gear mechanism also causes system bulk and quality higher, difficulty in arrangement.
Utility model content
The purpose of this utility model is in view of the drawbacks of the prior art, to provide a kind of torque orientation based on double-rotor machine
Electric drive axle is distributed, torque orientation point is realized by the opposite torque of the double dynamical output end outbound course of double-rotor machine
With function, electric vehicle limit cornering ability and mobility are increased.
Technical solution provided by the utility model is：
A kind of torque fixed direction allocation electric drive axle based on double-rotor machine, including：
Main drive motor, output end connect the shell of bevel differential by deceleration mechanism；
Wherein, the first semiaxis is rotatably supported on the shell, and poor across the shell and the bevel gear
First axle shaft gear of fast device is connected, and the second semiaxis is rotatably supported on the shell, and passes through the shell and institute
The second axle shaft gear for stating bevel differential is connected；
Contrarotating double-rotor machine comprising coaxially can relative rotation setting outer rotor and internal rotor；
First output end driving gear connects the outer rotor power output shaft；
First output end driven gear, and the first output end driving gear engaged transmission, and with described first
Half axis connection；
Second output terminal driving gear connects the internal rotor power output shaft；
Second output terminal driven gear is rotatably supported at second output terminal driving gear engaged transmission
On first semiaxis, and it is connect with the shell of the bevel differential；
Wherein, the transmission ratio between the first output end driving gear and the first output end driven gear with it is described
Transmission ratio between second output terminal driving gear and the second output terminal driven gear is equal.
Preferably, first semiaxis and second semiaxis are respectively from bevel differential shell both sides center
Hole is pierced by and is pivotally supported on the bevel differential shell.
Preferably, the first output end driven gear is connect with first Formation of Axle Shaft Spline.
Preferably, the bevel differential further includes：
Planetary gear shaft passes through cone bevel gear differential casing center, and is rotatably supported at the cone
On the shell of gear differential mechanism；
First cone planetary gear is fixedly mounted in the planetary gear shaft, and simultaneously with first half axle gear
Wheel and the second axle shaft gear external toothing；
Second cone planetary gear is fixedly mounted in the planetary gear shaft, and simultaneously with first half axle gear
Wheel and the second axle shaft gear external toothing；
Wherein, first cone planetary gear and second cone planetary gear are symmetrical arranged.
Preferably, first axle shaft gear is connect with first Formation of Axle Shaft Spline；Second axle shaft gear and institute
State the connection of the second Formation of Axle Shaft Spline.
Preferably, the deceleration mechanism includes：
First planetary gear train comprising the first ring gear, the first planetary gear, the first sun gear, first planet carrier；
Wherein, first ring gear is fixed on Driving axle housing, and first sun gear is pivotally supported at institute
It states on the second semiaxis, the first planet carrier is fixedly connected with the shell of the bevel differential；
Second planetary gear train comprising the second ring gear, the second planetary gear, the second sun gear and the second planet carrier；
Wherein, second planet carrier is fixedly connected with first sun gear, and second ring gear is fixed on driving
On axle housing body, second sun gear is pivotally supported on second semiaxis, and with the output of the main drive motor
Hold spline connection.
Preferably, first semiaxis connects left and right sides vehicle by constant velocity cardan joint respectively with second semiaxis
Wheel.
Preferably, the main drive motor uses cartridge type inner rotor motor.
Preferably, the outer housing of the contrarotating double-rotor machine is fixed on Driving axle housing, and the outer rotor can
It is rotationally supported at the shell intracoelomic cavity of the contrarotating double-rotor machine, the internal rotor is pivotally supported at described outer turn
Sub- inner cavity.
The utility model has the beneficial effects that：
(1) the torque fixed direction allocation electric drive axle provided by the utility model based on double-rotor machine, solves tradition
The drawbacks of bevel differential " not poor torsion of differential " so that the driving torque of automobile can appoint according to the demand for control of control logic
Anticipate it is equal in magnitude orient in the opposite direction be assigned to wheel at left and right sides of rear axle, torque both may be implemented from the fast side vehicle of rotating speed
Wheel is transferred to the slow side of rotating speed, can also realize that torque is transferred to the fast single wheel of rotating speed from the slow single wheel of rotating speed,
Under the premise of not changing longitudinal total driving torque strictly, the arbitrary distribution of left and right sides wheel torque is realized, vehicle is improved
Turning mobility and driving pleasure.
(2) the torque fixed direction allocation electric drive axle provided by the utility model based on double-rotor machine, utilizes contrarotating
Driving power source of the double-rotor machine as torque fixed direction allocation mechanism, no mechanical friction loss, action response are rapid, simplify and pass
The planetary gear mechanism of torque fixed direction allocation of uniting mechanism, level of integrated system is high, compact-sized, space hold is small, turns for realizing
The control of square fixed direction allocation function is simpler reliable；Using traditional bevel differential identical with existing automobile drive axle,
Product Process inheritance is good.
(3) the torque fixed direction allocation electric drive axle provided by the utility model based on double-rotor machine is compared and equally may be used
To realize the wheel hub motor distribution drive system of free torque distribution, does not increase unsprung mass, do not interfere with the flat of automobile
It is pliable.
Description of the drawings
Fig. 1 is the torque fixed direction allocation electric drive axle structural representation letter described in the utility model based on double-rotor machine
Figure.
Fig. 2 is the torque fixed direction allocation electric drive axle described in the utility model based on double-rotor machine in no torque
Torque when distribution requirements flows to schematic diagram.
Fig. 3 is the torque fixed direction allocation electric drive axle described in the utility model based on double-rotor machine in driving torque
Torque when by the first half axial second semiaxis distribution flows to schematic diagram.
Fig. 4 is the torque fixed direction allocation electric drive axle described in the utility model based on double-rotor machine in driving torque
Torque when by the second half axial first semiaxis distribution flows to schematic diagram.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
As shown in Figure 1, the utility model provides a kind of torque fixed direction allocation electric drive axle based on double-rotor machine,
Mainly by torque fixed direction allocation device 2000, bevel differential mechanism 1300, main drive motor deceleration mechanism 1000 and main driving
Motor 1001 is constituted.
The torque fixed direction allocation device 2000 is located at (also can be with main drive motor 1001 and main drive motor on the left of drive axle
The main power source assembly reversing of position that deceleration mechanism 1000 forms is arranged on the right side of drive axle), mainly turned by contrarotating is double
Sub-motor 1600, the first gear of output end transmission mechanism 1400 and second output terminal gear drive 1500 are constituted.
The outer housing 1601 of the contrarotating double-rotor machine 1600 is fixed on Driving axle housing, and outer rotor 1602 can revolve
Turn ground support in 1601 inner cavity of outer shell, as the first output end (outer rotor power output shaft) of contrarotating double-rotor machine,
Outside output torque.Internal rotor 1603 is pivotally supported at 1602 inner cavity of outer rotor, and as contrarotating double-rotor machine
Two output ends (internal rotor power output shaft), outside output torque.The contrarotating double-rotor machine 1600 has the special feature that,
Always size is identical for the torque that outer rotor 1602 is exported with internal rotor 1603, and direction is on the contrary, the feature is also by double-rotor machine
It is determined by the characteristic of contrarotating double-rotor machine type.
The first gear of output end transmission mechanism 1400 by the first output end driving gear 1401 and the first output end from
Moving gear 1402 is constituted.First output end driven gear 1402 and 1401 engaged transmission of the first output end driving gear；Its
In the first output end driving gear 1401 be fixedly connected with the first output end of contrarotating double-rotor machine 1600, outer turn can be transmitted
The torque of 1602 output of son, the first output end driven gear 1402 are connect with 1301 spline of the first semiaxis.
The second output terminal gear drive 1500 by second output terminal driving gear 1501 and second output terminal from
Moving gear 1502 is constituted.Second output terminal driven gear 1502 and 1501 engaged transmission of the second output terminal driving gear；Its
Middle second output terminal driving gear 1501 is fixedly connected with the second output terminal of contrarotating double-rotor machine 1600, can transmit interior turn
The torque of 1603 output of son, second output terminal driven gear 1502 are rotatably supported on first semiaxis 1301, and with
Bevel differential shell 1308 is fixedly connected.
The first gear of output end transmission mechanism 1400 is having the same with second output terminal gear drive 1500
Transmission ratio.
The bevel differential mechanism 1300, mainly by the first semiaxis 1301, the second semiaxis 1302, the first half axle gear
Take turns 1304, two cone planetary gears 1305 of the 1303, second axle shaft gear and 1306, planetary gear shaft 1307 and bevel gear differential
Device shell 1308 is constituted.Wherein the first axle shaft gear 1303 is connected with 1301 spline of the first semiaxis for connecting left side wheel.Second
Axle shaft gear 1304 is connected with 1302 spline of the second semiaxis for connecting right side wheels, and the first semiaxis 1301 and the second semiaxis 1302 divide
It is not pierced by and is pivotally supported on bevel differential shell 1308 from 1308 both sides centre bore of bevel differential shell,
And power is gone out to left and right sides wheel eventually by constant velocity cardan joint (not shown).Bevel differential shell 1308 can
It pivotally supports on Driving axle housing, 1308 left side of bevel differential shell is fixed with second output terminal driven gear 1502
Connection.Planetary gear shaft 1307 passes through from 1308 center of bevel differential shell and is rotatably supported at bevel differential
On shell 1308,1307 middle part of planetary gear shaft is symmetrically installed two cone planetary gears 1305 and 1306.Make two circular cone rows
Star gear 1305 and 1306 is arranged in bevel differential center both sides face-to-face, and respectively be arranged at left and right sides of it the
1304 external toothing of one axle shaft gear 1303 and the second axle shaft gear.
Main drive motor deceleration mechanism 1000 is located at the right side of drive axle, mainly by the first planetary gear train 1100 and
Two planetary gear trains 1200 are constituted.First planetary gear train 1100 includes the first of first 1101, three circumference uniform distributions of ring gear
Planetary gear 1102, the first sun gear 1103 and first planet carrier 1104.Wherein the first ring gear 1101 is fixed on Driving axle housing
On, the first sun gear 1103 is pivotally supported on the second semiaxis 1302.First planet carrier 1104 and bevel differential shell
Body 1308 is fixedly connected.Second planetary gear train 1200 includes the second planet of second 1201, three circumference uniform distributions of ring gear
Take turns the 1202, second sun gear 1203 and the second planet carrier 1204.Wherein, the second planet carrier 1204 of the second planetary gear train 1200 with
First sun gear 1103 is fixed with one, and the second ring gear 1201 is fixed on Driving axle housing, and the second sun gear 1203 can revolve
It is supported on the second semiaxis 1302 with turning, and is connect with the hollow inner rotor shaft spline of main drive motor 1001.
Preferably, main drive motor deceleration mechanism 1000 can be by single planetary gear train, multiple rows of planetary gear train or other shapes
The speed reducer of formula is configured to.
The main drive motor 1001 is located at the right side of main drive motor deceleration mechanism 1000, is in a cartridge type
Rotor electric machine, the second semiaxis 1302 for connecting right side wheels are pierced by from its hollow rotor shafts endoporus.Cartridge type internal rotor and
1203 spline of sun gear of two planetary gear trains 1200 connects, and main drive motor 1001 can be passed driving torque by sun gear 1203
It is handed to main drive motor deceleration mechanism 1000, and is applied on bevel differential shell 1308, the first semiaxis is finally distributed to
1301 and second on semiaxis 1302, drives running car.The internal rotor of the main drive motor 1001 is rotatably supported at
On two semiaxis 1302, stator and its shell are fixedly connected with Driving axle housing.
Torque fixed direction allocation electric drive axle described in the utility model based on double-rotor machine, operation principle are as follows：
Example structure schematic diagram with the torque fixed direction allocation electric drive axle shown in FIG. 1 based on double-rotor machine is
Example when without torque distribution requirements, does not have in contrarotating double-rotor machine 1600 when automotive service is in normal straight driving cycle
Signal is controlled, double-rotor machine is inoperative, and the first output end and second output terminal not output torque, automobile is only by leading at this time
Driving motor 1001 drives, and the torque that main drive motor 1001 exports increases by 1000 torque of main drive motor deceleration mechanism and makees
It uses on bevel differential shell 1308, since bevel differential 1300 etc. divides the principle of torque, is applied to bevel gear differential
Torque on device shell 1308 is distributed on the first semiaxis 1301 and the second semiaxis 1302, drives running car.At this point, due to automobile
Straight-line travelling, left and right sides vehicle wheel rotational speed is identical, therefore the first semiaxis 1301, the second semiaxis 1302 and bevel differential shell
The rotating speed of 1308 threes is identical.It is connect again with 1301 spline of the first semiaxis due to the first output end driven gear 1402, so the
One output end driven gear 1402 is identical as 1301 rotating speed of the first semiaxis.Again due to second output terminal driven gear 1502 and cone tooth
Wheel differential casing 1308 is fixedly connected, therefore second output terminal driven gear 1502 and 1308 rotating speed of bevel differential shell
It is identical, so the first output end driven gear 1402 is identical as 1502 rotating speed of second output terminal driven gear.Again because first is defeated
Outlet gear drive 1400 and 1500 transmission ratio having the same of second output terminal gear drive, therefore the first output
Hold driving gear 1401 identical as 1501 rotating speed of second output terminal driving gear, i.e. the outer rotor 1602 of contrarotating birotor 1600
It is identical as the rotating speed of internal rotor 1603, contrarotating double-rotor machine 1600 and inoperative, servo-actuated idle running, the first output end and second
Output end not output torque.Torque distribution stream is as shown in Figure 2.
When the normal differential turning of automobile, left and right sides wheel driving torque is identical, is distributed without torque, therefore, to turning
Formula double-rotor machine 1600 is without control signal, and double-rotor machine is inoperative, and the first output end is not defeated with second output terminal
Go out torque, the torque that main drive motor 1001 exports is by 1000 torque increasing action of main drive motor deceleration mechanism to bevel gear
It on differential carrier 1308, then is distributed on the first semiaxis 1301 and the second semiaxis 1302, drives running car.Torque distribution stream is same
Sample is as shown in Figure 2.
When operating mode of the automotive service when driving torque is distributed from the first semiaxis 1301 to the second semiaxis 1302, if setting
The direction of rotation of wheel is positive direction when automobile moves forward, anyway for negative direction.Contrarotating double-rotor machine 1600 connects at this time
It is controlled signal starting, starts external output torque.If the first output end output torque of contrarotating double-rotor machine 1600
For T0(T0For positive value), due to being driven for external toothing deceleration torque, the torque by the first gear of output end transmission mechanism 1400,
Input into the first semiaxis 1301 torque be-i1T0, wherein i1For the transmission ratio of the first gear of output end transmission mechanism 1400.By
The output torque feature of contrarotating double-rotor machine is it is found that when the torque of the first output end output is T0When, second output terminal is defeated
The torque gone out is-T0, which is inputted by second output terminal gear drive 1500 into bevel differential shell 1308
Torque be i1T0, wherein second output terminal gear drive 1500 and the first gear of output end transmission mechanism 1400 have phase
Same transmission ratio i1.The principle for dividing torque by bevel differential mechanism 1300 etc. acts on bevel differential shell 1308
Torque be distributed on the first semiaxis 1301 and the second semiaxis 1302, therefore, the torque that the first semiaxis 1301 obtains is first defeated
The sum of the torque that the torque that outlet gear drive 1400 inputs is inputted with bevel differential 1300, the result is thatThe torque that second semiaxis 1302 obtains is the torque that bevel differential 1300 inputs, the result is thatThe torque of first semiaxis 1301 is reducedThe torque of second semiaxis 1302 increasesIt is maintained not in total driving torque
In the case of change, distribution of the driving torque from the first semiaxis 1301 to the second semiaxis 1302 is realized, driving torque sendout isTorque distribution stream is as shown in Figure 3.
When operating mode of the automotive service when driving torque is distributed from the second semiaxis 1302 to the first semiaxis 1301, if setting
The direction of rotation of wheel is positive direction when automobile moves forward, otherwise is negative direction.It can similarly obtain, at this time contrarotating birotor electricity
Machine 1600 receives control signal and starts, and starts external output torque.If the first output end of contrarotating double-rotor machine 1600
Output torque is-T0(T0For positive value), due to being driven for external toothing deceleration torque, which is driven by the first gear of output end
Mechanism 1400, input into the first semiaxis 1301 torque be i1T0, wherein i1For the biography of the first gear of output end transmission mechanism 1400
Dynamic ratio.By the output torque feature of contrarotating double-rotor machine it is found that when the torque of the first output end output is-T0When, second
The torque of output end output is T0, which is inputted by second output terminal gear drive 1500 into bevel differential
The torque of shell 1308 is-i1T0, wherein second output terminal gear drive 1500 and the first gear of output end transmission mechanism
1400 transmission ratio i having the same1.The principle for dividing torque by bevel differential mechanism 1300 etc. acts on bevel gear differential
Torque on device shell 1308 is distributed on the first semiaxis 1301 and the second semiaxis 1302, and therefore, what the first semiaxis 1301 obtained turns
Square is the sum of the torque of the torque and the input of bevel differential 1300 of the first gear of output end transmission mechanism 1400 input, as a result
It isThe torque that second semiaxis 1302 obtains is the torque that bevel differential 1300 inputs, as a result
It isThe torque of first semiaxis 1301 increasesThe torque of second semiaxis 1302 is reducedIt is tieed up in total driving torque
Hold it is constant in the case of, realize distribution of the driving torque from the second semiaxis 1302 to the first semiaxis 1301, driving torque distribution
Amount isTorque distribution stream is as shown in Figure 4.
Torque fixed direction allocation electric drive axle provided by the utility model based on double-rotor machine solves tradition cone tooth
The drawbacks of taking turns differential mechanism " the not poor torsion of differential " so that the driving torque of automobile can be arbitrarily large according to the demand for control of control logic
Small equal direction it is oppositely oriented be assigned to wheel at left and right sides of rear axle, torque both may be implemented and turned from the fast single wheel of rotating speed
The slow side of rotating speed is moved to, can also realize that torque is transferred to the fast single wheel of rotating speed from the slow single wheel of rotating speed, stringent
Under the premise of not changing longitudinal total driving torque, the arbitrary distribution of left and right sides wheel torque is realized, improves turning for vehicle
Curved mobility and driving pleasure.It is inorganic using contrarotating double-rotor machine as the driving power source of torque fixed direction allocation mechanism
Tool friction loss, action response are rapid, the planetary gear mechanism of simplified tradition torque fixed direction allocation mechanism, level of integrated system height,
It is compact-sized, space hold is small, for realizing that the control of torque fixed direction allocation function is simpler reliable；Using with existing automobile
The identical traditional bevel differential of drive axle, Product Process inheritance are good.Compared to free torque distribution equally may be implemented
Wheel hub motor distribution drive system, does not increase unsprung mass, does not interfere with the ride comfort of automobile.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (9)
1. a kind of torque fixed direction allocation electric drive axle based on double-rotor machine, which is characterized in that including：
Main drive motor, output end connect the shell of bevel differential by deceleration mechanism；
Wherein, the first semiaxis is rotatably supported on the shell, and across the shell and the bevel differential
The first axle shaft gear be connected, the second semiaxis is rotatably supported on the shell, and across the shell and the cone
Second axle shaft gear of gear differential mechanism is connected；
Contrarotating double-rotor machine comprising coaxially can relative rotation setting outer rotor and internal rotor；
First output end driving gear connects the outer rotor power output shaft；
First output end driven gear, with the first output end driving gear engaged transmission, and with first semiaxis
Connection；
Second output terminal driving gear connects the internal rotor power output shaft；
Second output terminal driven gear is rotatably supported at described with second output terminal driving gear engaged transmission
On first semiaxis, and it is connect with the shell of the bevel differential；
Wherein, the transmission ratio between the first output end driving gear and the first output end driven gear and described second
Transmission ratio between output end driving gear and the second output terminal driven gear is equal.
2. the torque fixed direction allocation electric drive axle according to claim 1 based on double-rotor machine, which is characterized in that institute
Stating the first semiaxis and second semiaxis, the centre bore from bevel differential shell both sides is pierced by and rotatable twelve Earthly Branches respectively
Support is on the bevel differential shell.
3. the torque fixed direction allocation electric drive axle according to claim 2 based on double-rotor machine, which is characterized in that institute
The first output end driven gear is stated to connect with first Formation of Axle Shaft Spline.
4. the torque fixed direction allocation electric drive axle according to claim 1 or 3 based on double-rotor machine, feature exist
In the bevel differential further includes：
Planetary gear shaft passes through cone bevel gear differential casing center, and is rotatably supported at the bevel gear
On the shell of differential mechanism；
First cone planetary gear is fixedly mounted in the planetary gear shaft, and simultaneously with first axle shaft gear and
The second axle shaft gear external toothing；
Second cone planetary gear is fixedly mounted in the planetary gear shaft, and simultaneously with first axle shaft gear and
The second axle shaft gear external toothing；
Wherein, first cone planetary gear and second cone planetary gear are symmetrical arranged.
5. the torque fixed direction allocation electric drive axle according to claim 4 based on double-rotor machine, which is characterized in that institute
The first axle shaft gear is stated to connect with first Formation of Axle Shaft Spline；Second axle shaft gear is connect with second Formation of Axle Shaft Spline.
6. the torque fixed direction allocation electric drive axle according to claim 1 based on double-rotor machine, which is characterized in that institute
Stating deceleration mechanism includes：
First planetary gear train comprising the first ring gear, the first planetary gear, the first sun gear, first planet carrier；
Wherein, first ring gear is fixed on Driving axle housing, and first sun gear is pivotally supported at described
On two semiaxis, the first planet carrier is fixedly connected with the shell of the bevel differential；
Second planetary gear train comprising the second ring gear, the second planetary gear, the second sun gear and the second planet carrier；
Wherein, second planet carrier is fixedly connected with first sun gear, and second ring gear is fixed on driving axle housing
On body, second sun gear is pivotally supported on second semiaxis, and is spent with the output end of the main drive motor
Key connection.
7. the torque fixed direction allocation electric drive axle according to claim 6 based on double-rotor machine, which is characterized in that institute
It states the first semiaxis and left and right sides wheel is connected by constant velocity cardan joint respectively with second semiaxis.
8. the torque fixed direction allocation electric drive axle according to claim 7 based on double-rotor machine, which is characterized in that institute
It states main drive motor and uses cartridge type inner rotor motor.
9. the torque fixed direction allocation electric drive axle according to claim 8 based on double-rotor machine, which is characterized in that institute
The outer housing for stating contrarotating double-rotor machine is fixed on Driving axle housing, and the outer rotor is pivotally supported at described pair and turns
The shell intracoelomic cavity of formula double-rotor machine, the internal rotor are pivotally supported at the outer rotor inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338112.1U CN207931390U (en) | 2018-03-13 | 2018-03-13 | A kind of torque fixed direction allocation electric drive axle based on double-rotor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338112.1U CN207931390U (en) | 2018-03-13 | 2018-03-13 | A kind of torque fixed direction allocation electric drive axle based on double-rotor machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297620A (en) * | 2018-03-13 | 2018-07-20 | 吉林大学 | A kind of torque fixed direction allocation electric drive axle based on double-rotor machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297620A (en) * | 2018-03-13 | 2018-07-20 | 吉林大学 | A kind of torque fixed direction allocation electric drive axle based on double-rotor machine |
| CN108297620B (en) * | 2018-03-13 | 2024-02-23 | 吉林大学 | Torque directional distribution electric drive axle based on double-rotor motor |
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