CN207683311U - Electric vehicle with variable ratio drive system - Google Patents
Electric vehicle with variable ratio drive system Download PDFInfo
- Publication number
- CN207683311U CN207683311U CN201820009093.8U CN201820009093U CN207683311U CN 207683311 U CN207683311 U CN 207683311U CN 201820009093 U CN201820009093 U CN 201820009093U CN 207683311 U CN207683311 U CN 207683311U
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- power
- gear
- drive system
- differential
- power input
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Abstract
The electric vehicle with variable ratio drive system of the utility model, including vehicle body and vehicle chassis component；The vehicle chassis component includes dual-motor drive system and rear bridge system；The dual-motor drive system includes the first driving motor, the second driving motor, coupling differential mechanism and variable speed assembly, may exist larger speed discrepancy between two motor output ends of this system, in addition, in the case where power demand is smaller, can only be driven using a motor.
Description
Technical field
The utility model is related to electric automobiles, specifically a kind of electric vehicle with variable ratio drive system.
Background technology
In existing electric vehicle, usually using a motor as power, this type of drive is asked in the presence of what is be short of power
Topic, it is difficult to be used in the higher electric vehicle of power demand, a small number of electric vehicles are using two motors as power source, two motors
Vehicle is driven to advance jointly after power coupling, however inevitably there is speed discrepancy in two motors, when speed discrepancy is excessive,
Transmission efficiency can substantially reduce.
Power source is used as after two motors capable of being used to carry out power coupling therefore, it is necessary to one kind, meanwhile, two motors are defeated
May exist larger speed discrepancy between outlet, in addition, in the case where power demand is smaller, is only driven using a motor
The dynamic electric vehicle with variable ratio drive system.
Utility model content
In view of this, the purpose of the utility model is to overcome defect in the prior art, can be used by providing one kind by two
Motor is used as power source after carrying out power coupling, meanwhile, may exist larger speed discrepancy between two motor output ends, separately
It outside, can the electric vehicle with variable ratio drive system that driven using a motor in the case where power demand is smaller.
The electric vehicle with variable ratio drive system of the utility model, including vehicle body and vehicle chassis component；The vehicle chassis component packet
Include dual-motor drive system and rear bridge system；The dual-motor drive system includes the first driving motor, the second driving motor, coupling
Close differential mechanism and variable speed assembly；The output shaft of first driving motor is sequentially connected in the right axle shaft of the coupling differential mechanism；
The variable speed assembly includes power input shaft, transition axis and power output shaft disposed in parallel；The power input
Axis is sequentially connected in the output shaft of the second driving motor, and the left half axle of coupling differential mechanism is connected to by driven by clutches；Institute
The power from power input shaft can be received by the first power input gear pair by stating transition axis, or be inputted by the second power
Gear pair receives the coupling power from coupling differential mechanism；The first power input gear pair includes being placed in power input
Axis and the first driving gear engaged with power input shaft by the control of the first synchronizer, and it is fixed on the first of transition axis
Driven gear；The second power input gear pair includes the second driving gear and is fixed on the second driven gear of transition axis；
Second driving gear is the differential gear for coupling differential mechanism；The transition axis is passed by multigroup power shift gear adjutant power
It is handed to power output shaft, the second synchronizer is equipped between adjacent power shift gear pair；
Bridge system includes rear axle differential, left wheel hub and right wheel hub after described；The power output shaft passes through chaindriven
Power is transferred to rear axle differential by mode, and is distributed power to the left wheel hub and right wheel hub by the rear axle differential；
Further, the rear bridge system further includes covering in the axle housing of the rear axle differential outside and being fixed with the axle housing
And it is coated at the protection pipe outside revolver axis and right wheel axis；
Further, the power shift gear pair is two groups, respectively gear gear pair and slowly gear gear pair soon；
Further, the clutch is slip clutch；
Further, it is fixed with drive sprocket on the power output shaft；The rear axle differential is equipped with and the drive chain
The driven sprocket that wheel passes through chain drive.
The utility model has the beneficial effects that：The electric vehicle with variable ratio drive system of the utility model, when driving power
When demand is higher, clutch engagement can be controlled, and the first synchronizer is detached with the driving gear of the first power input gear pair,
The first power input gear pair is set not to be driven, power is directly input to coupling by the first driving motor and the second driving motor respectively
The left and right semiaxis of differential mechanism, (existing differential mechanism is by planetary gear, planetary gear using existing differential design for coupling differential mechanism
The parts such as frame (differential carrier), axle shaft gear and differential gear form, and differential gear is relatively fixed with differential carrier), the
One driving motor and the power of the second driving motor input are output to after being coupled by the differential mechanism on differential gear；Differential mechanism
Power is transferred to transition axis by gear as the driving gear of the second power input gear pair, between transition axis and power output shaft
By multiple power shift gear pair passing powers, multiple shift gears are formed, rotating speed existing for two driving motors in the present apparatus
Difference can carry out coupling by coupling differential mechanism (substantially planetary gear mechanism, exported after capable of being coupled two power)
It closes, improves the driving power of tricycle, in addition, when vehicle drive power demand is not high, it can be with cut-off clutch；First is same
Step device controls the first power input gear pair and is engaged with power input shaft, and power is directly transferred to by the first power input gear pair
Transition axis saves electric energy at this point, only providing driving power by the second driving motor；The power of power output shaft passes through chain again
Power is transferred to rear axle differential by transmission, then is distributed power to left wheel hub and right wheel hub by rear axle differential, to drive
Entire electric vehicle is advanced.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
Fig. 1 be the utility model structural schematic diagram, as shown, the present embodiment with the electronic of variable ratio drive system
Vehicle, including vehicle body and vehicle chassis component；The vehicle chassis component includes dual-motor drive system and rear bridge system；The bi-motor
Drive system includes the first driving motor 8, the second driving motor 1, coupling differential mechanism 10 and variable speed assembly；The first driving electricity
The output shaft of machine 8 is sequentially connected in the right axle shaft of the coupling differential mechanism 10；The variable speed assembly includes power disposed in parallel
Input shaft 14, transition axis 2 and power output shaft 6；The power input shaft 14 is sequentially connected in the output of the second driving motor 1
Axis, and be sequentially connected in the left half axle of coupling differential mechanism 10 by clutch 11；The transition axis 2 can be inputted by the first power
Gear pair 13 receives the power from power input shaft 14, or is received from coupling differential by the second power input gear pair
The coupling power of device 10；The first power input gear pair 13 includes being placed in power input shaft 14 and being synchronized by first
Device 12 controls the first driving gear engaged with power input shaft 14, and is fixed on the first driven gear of transition axis 2；It is described
Second power input gear pair includes the second driving gear and is fixed on the second driven gear of transition axis 2；Described second actively
Gear is the differential gear 9 for coupling differential mechanism 10；The transition axis 2 is transferred to power by multigroup power shift gear adjutant power
Output shaft 6 is equipped with the second synchronizer 4 between adjacent power shift gear pair；
Bridge system includes rear axle differential 19, left wheel hub 22 and right wheel hub 17 after described；The power output shaft passes through chain
Power is transferred to rear axle differential 19 by the mode of transmission, and is distributed power to the left wheel hub by the rear axle differential 19
22 and right wheel hub 17；
When driving power demand higher, the engagement of clutch 11 can be controlled, and the first synchronizer 12 and the first power are defeated
The driving gear separation for entering gear pair 13, makes the first power input gear pair 13 not be driven, the driving of the first driving motor 8 and second
Power is directly input to the left and right semiaxis of coupling differential mechanism 10 by motor 1 respectively, and coupling differential mechanism 10 uses existing differential mechanism
(existing differential mechanism is by parts groups such as planetary gear, planetary wheel carrier (differential carrier), axle shaft gear and differential gears 9 for structure
At differential gear 9 is relatively fixed with differential carrier), the power of the first driving motor 8 and the input of the second driving motor 1 passes through
It is output on differential gear 9 after differential mechanism coupling；Driving gear of the differential gear 9 as the second power input gear pair
Power is transferred to transition axis 2, by multiple power shift gear pair passing powers between transition axis 2 and power output shaft 6, is formed more
A shift gear, speed discrepancy existing for two driving motors in the present apparatus can pass through differential mechanism (substantially planetary gear machine
Structure exports after capable of being coupled two power) it couples, the driving power of tricycle is improved, in addition, when vehicle drives
It, can be with cut-off clutch 11 when dynamic power demand is not high；First synchronizer 12 controls the first power input gear pair 13 and power
Input shaft 14 engages, and power is directly transferred to transition axis 2 by the first power input gear pair 13, at this point, only by the second driving
Motor 1 provides driving power, saves electric energy.
In the present embodiment, it is described after bridge system further include cover in outside the rear axle differential 19 axle housing 21 and with it is described
The protection pipe 18 that axle housing 21 is fixed and is coated at outside revolver axis 15 and right wheel axis 16, axle housing 21 are securable on vehicle frame, pass through bridge
Shell 21 protects rear axle differential 19, and protection pipe 18 is for protecting revolver axis 15 and right wheel axis 16, wheel shaft and guarantor
Bearing can be set between pillar 18, improve the support stiffness of wheel shaft.
In the present embodiment, the power shift gear pair is two groups, respectively gear gear pair 5 and slowly gear gear pair 3 soon；Fast gear tooth
The driving gear of wheel set 5 and slow gear gear pair 3 is fixed on transition axis 2, and driven gear empty set is on power output shaft 6, by the
The axial movement of two synchronizers 4 selects one of driven gear to be engaged with power output shaft 6.
In the present embodiment, the clutch 11 is existing slip clutch 11.
In the present embodiment, drive sprocket 7 is fixed on the power output shaft 6；The rear axle differential 19 is equipped with and institute
Driven sprocket 20 of the drive sprocket 7 by chain drive is stated, rear axle differential 19 may be implemented by chain drive and couple differential
Long-distance transmission between device, wherein driven sprocket 20 are fixed on the shell of coupling differential mechanism, and the shell is poor as rear axle simultaneously
The planetary wheel carrier of fast device 19.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (5)
1. a kind of electric vehicle with variable ratio drive system, it is characterised in that：Including vehicle body and vehicle chassis component；The vehicle chassis component packet
Include dual-motor drive system and rear bridge system；The dual-motor drive system includes the first driving motor, the second driving motor, coupling
Close differential mechanism and variable speed assembly；The output shaft of first driving motor is sequentially connected in the right axle shaft of the coupling differential mechanism；
The variable speed assembly includes power input shaft, transition axis and power output shaft disposed in parallel；The power input shaft passes
The dynamic output shaft for being connected to the second driving motor, and the left half axle for coupling differential mechanism is connected to by driven by clutches；The mistake
The power from power input shaft can be received by the first power input gear pair by crossing axis, or pass through the second power input gear
Pair receives the coupling power from coupling differential mechanism；The first power input gear pair include be placed in power input shaft and
The first driving gear engaged with power input shaft is controlled by the first synchronizer, and is fixed on the first driven tooth of transition axis
Wheel；The second power input gear pair includes the second driving gear and is fixed on the second driven gear of transition axis；Described
Two driving gears are the differential gear for coupling differential mechanism；The transition axis is transferred to dynamic by multigroup power shift gear adjutant power
Power output shaft is equipped with the second synchronizer between adjacent power shift gear pair；
Bridge system includes rear axle differential, left wheel hub and right wheel hub after described；The power output shaft passes through chaindriven mode
Power is transferred to rear axle differential, and is distributed power to the left wheel hub and right wheel hub by the rear axle differential.
2. the electric vehicle according to claim 1 with variable ratio drive system, it is characterised in that：Bridge system further includes after described
The axle housing of the rear axle differential is covered in outside and the protection pipe outside revolver axis and right wheel axis is fixed and be coated at the axle housing.
3. the electric vehicle according to claim 2 with variable ratio drive system, it is characterised in that：The power shift gear pair is two
Group, respectively gear gear pair and slowly gear gear pair soon.
4. the electric vehicle according to claim 3 with variable ratio drive system, it is characterised in that：The clutch is frictional
Clutch.
5. the electric vehicle according to claim 4 with variable ratio drive system, it is characterised in that：It is solid on the power output shaft
Surely there is drive sprocket；The rear axle differential is equipped with the driven sprocket for passing through chain drive with the drive sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009093.8U CN207683311U (en) | 2018-01-03 | 2018-01-03 | Electric vehicle with variable ratio drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009093.8U CN207683311U (en) | 2018-01-03 | 2018-01-03 | Electric vehicle with variable ratio drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207683311U true CN207683311U (en) | 2018-08-03 |
Family
ID=62990179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820009093.8U Expired - Fee Related CN207683311U (en) | 2018-01-03 | 2018-01-03 | Electric vehicle with variable ratio drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207683311U (en) |
-
2018
- 2018-01-03 CN CN201820009093.8U patent/CN207683311U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20190103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |