CN207579567U - The more gear stepless speed change driving systems of electric vehicle - Google Patents
The more gear stepless speed change driving systems of electric vehicle Download PDFInfo
- Publication number
- CN207579567U CN207579567U CN201721501818.7U CN201721501818U CN207579567U CN 207579567 U CN207579567 U CN 207579567U CN 201721501818 U CN201721501818 U CN 201721501818U CN 207579567 U CN207579567 U CN 207579567U
- Authority
- CN
- China
- Prior art keywords
- gear
- driving motor
- electric vehicle
- speed change
- planetary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of more gear stepless speed change driving systems of the electric vehicle of electric vehicle technical field, including：First, second, third driving motor, planetary gear train and gearshift output mechanism, wherein：Planetary gear train is equipped with gear ring, planet stent, sun gear and several planetary gears, planetary gear and is circumferentially distributed on planet stent；First driving motor output terminal is connect with gear ring, gear ring is engaged with planetary gear, second driving motor output terminal is connect with planet stent, sun gear connect with third driving motor output terminal and is engaged with planetary gear, fluted disc is set on sun gear and is fixedly connected with sun gear, and gearshift output mechanism is equipped with the three gear clutch gears engaged respectively with gear ring, planet stent and fluted disc.The utility model exports gear there are three setting, three driving motors being equipped with can be driven with free switching or speed change, each gear is selected according to use environment and obtains ideal speed and torque in corresponding gear, can realize the electrodeless variable-speed of the more gears of electric vehicle.
Description
Technical field
The utility model relates to a kind of technology in electric vehicle field, specifically a kind of more gears of electric vehicle are stepless
Variable speed drive system.
Background technology
The existing electric vehicle overwhelming majority uses the retarder of fixed speed ratio in the market, without gear.Fixed speed
Than retarder, only there are one gears, and motor is allowed often to be in low efficiency region, has not only wasted the valuable energy content of battery, but also improve to traction
The requirement of motor is further reduced vehicle continual mileage.
Although some High Tier Brand electric vehicles employ gear, main is all the hand gear of fixed gear
Device, it is less to use buncher.Manual transmission is by the cooperation of gear set, and mechanism is complicated, and power is defeated during manual shift
Going out can interrupt.And contiuously variable transmission is transmitted using transmission belt and the ratchet of variable groove width into action edge, i.e., when ratchet changes groove width
When, the corresponding contact radius progress speed change for changing driving wheel and transmission belt on driven wheel, transmission belt is generally with rubber strip, metal tape
With metallic bond etc., but transmission belt is easy to damage, it is impossible to bear larger load.
In addition applied to the manual transmission in electric vehicle transmission and contiuously variable transmission volume are big, weight is heavy, manufacture
It is of high cost, it safeguards complexity, has raised the price of electric vehicle, constrain the universal of electric vehicle.
Utility model content
The utility model is directed to deficiencies of the prior art, it is proposed that a kind of more gear variable speed of electric vehicle
Drive system, if there are three output gear, three driving motors being equipped with can be driven with free switching or speed change, root
Each gear is selected according to use environment and obtains ideal speed and torque in corresponding gear, can realize the more gears of electric vehicle
Electrodeless variable-speed.
The utility model is achieved through the following technical solutions：
The utility model includes：First driving motor, the second driving motor, third driving motor, planetary gear train and gearshift
Output mechanism, wherein：Planetary gear train is equipped with gear ring, planet stent, sun gear and several planetary gears, and planetary gear is circumferentially uniformly distributed
On planet stent, the first driving motor output terminal is connected with gear ring, and gear ring is engaged with planetary gear, the output of the second driving motor
End is connected with planet stent, and sun gear connect with third driving motor output terminal and engaged with planetary gear, is arranged on sun gear
There is fluted disc, gearshift output mechanism is equipped with the three gear clutch gears engaged respectively with gear ring, planet stent and fluted disc.
Gear ring, planet stent and the sun gear is set on main shaft.
It is described gearshift output mechanism be equipped with selector fork, the selector fork with three keep off clutch gears in it is any one keep off from
Gear engagement is closed, and is disengaged with other two gears clutch gears；The gearshift output mechanism and the drive shaft of electric vehicle are fixed
Connection.
Planetary gear train, gearshift output mechanism and the third driving motor is arranged in housing, the housing packet
The first connected case and the second case and the second connected case and third case are included, the planetary gear train, gearshift are defeated
Go out mechanism to be arranged in the first case and the second case, the third driving motor is arranged on the second case and third case
It is interior.
The third driving motor includes rotor assembly and wound stator, wherein：Rotor assembly is set in by bearing
On main shaft, wound stator is set on rotor assembly and one end is fixed in third case.
The rotor assembly is equipped with rotor neck bush, and rotor neck bush one end is fixed with sun gear, and fluted disc is set in the sun
It is fixedly connected on wheel and with sun gear.
The rotor assembly includes：Rotor neck bush, rotor magnetic steel and rotor core, wherein：It is covered on rotor neck bush
Equipped with rotor core, rotor core inner circumferential is evenly equipped with rotor magnetic steel, is preferably arranged with fluted disc and one end on rotor neck bush
Hollow shaft sun gear is fixed with, the second case is set in by bearing on rotor neck bush, and rotor neck bush both ends pass through respectively
Bearing is set on main shaft.
First driving motor is fixed on the first case, second driving motor be fixed on the second case and
On third case.
Preferably, the output terminal of first driving motor is connected with gear ring by deceleration mechanism, the second driving electricity
The output terminal of machine is connected with planet stent by deceleration mechanism, and output terminal and the sun gear of the third driving motor pass through deceleration
Mechanism is connected；The deceleration mechanism is belt, any one in chain, gear drive.
Technique effect
Compared with prior art, the utility model is set there are three output gear, and three driving motors being equipped with can be with
Free switching is driven or speed change, selects each gear according to use environment and obtains ideal speed and torsion in corresponding gear
Square realizes the electrodeless variable-speed of the more gears of electric vehicle；At the same time the utility model have it is small, light-weight, simple in structure,
The characteristics of at low cost.
Description of the drawings
Electric vehicle schematic diagrames of the Fig. 1 based on the utility model；
Fig. 2 is stepless speed change driving system structure diagram in the utility model；
Fig. 3 is stepless speed change driving system detonation configuration figure in the utility model；
Fig. 4 is stepless speed change driving system sectional structure chart in the utility model；
Fig. 5 is planetary gear train and driving motor structure diagram in the utility model；
Fig. 6 a are planet stent and planetary gear overall structure diagram in the utility model；
Fig. 6 b are planet stent and planetary gear detonation configuration figure in the utility model；
Fig. 7 is rotor assembly structure schematic diagram in the utility model；
Fig. 8 is wound stator and third casing structure schematic diagram in the utility model；
Fig. 9 is the first casing structure schematic diagram in the utility model；
In figure：First case 1, the second driving motor 2,61915 bearings 3, gear ring 4, the driving electricity of soket head cap screw 5, first
Machine 6, gearshift output mechanism 7, planetary gear train 8, crossed countersunk head screw 9, the second case 10,6206 bearings 11, fluted disc 12, sun gear
13rd, main shaft 14, rotor assembly 15,6204 bearings 16, wound stator 17, rotation stop pin 18, third case 19,16004 bearings 20,
61903 bearings 21, axis clamp spring 24,61804 bearings 25,6304 bearings 26, stepless speed change driving system 100, rotor neck bush
151st, rotor magnetic steel 152, rotor core 153, planet stent 801, planetary gear 802.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, the present embodiment is related to a kind of stepless speed change driving system 100, including：First
Driving motor 6, the second driving motor 2, third driving motor, planetary gear train 8 and gearshift output mechanism 7, wherein：Planetary gear train 8
Equipped with gear ring 4, planet stent 801, sun gear 13 and several planetary gears 802, the first driving motor 6 passes through output gear and tooth
4 engagement of circle, gear ring 4 and 8 internal messing of planetary gear train, the second driving motor 2 are engaged by output gear with planet stent 801, too
Sun wheel 13 is fixed on the rotor structure of third driving motor and is engaged with planetary gear 802, and the rotor of third driving motor is total
Fluted disc 12 is arranged on into 15, gearshift output mechanism 7 is equipped with three engaged respectively with gear ring 4, planet stent 801 and fluted disc 12
Clutch gear is kept off, the gearshift output mechanism 7 is equipped with wheel shaft, and the wheel shaft is equipped with internal spline, the driving with electric vehicle
The external splines engagement of axis, driving electric vehicle movement.
Gear ring 4, planet stent 801, sun gear 13 and the third driving motor is set on main shaft 14.
As shown in Fig. 3, Fig. 6 a and Fig. 6 b, planet stent 801 is arranged by 16004 bearings 20 in the planetary gear train 8
On main shaft 14；The planetary gear 802 is duplicate gear, is arranged on planet stent 801 and divided by 61903 bearings 21
It is not engaged with gear ring 4, sun gear 13.
As shown in Fig. 3, Fig. 4 and Fig. 5, it is described gearshift output mechanism 7 be equipped with selector fork, the first clutch gear, second from
Gear and third clutch gear are closed, wherein：The selector fork is engaged with gear clutch gear any one in three gear clutch gears,
And disengaged with other two gears clutch gears, first clutch gear is engaged with gear ring 4, second clutch gear and row
Prong frame 801 engages, and the third clutch gear is engaged with fluted disc 12.
As shown in Figure 2 and Figure 4, the planetary gear train 8, gearshift output mechanism 7 and third driving motor are arranged at shell
In vivo, the housing includes：First case 1, the second case 10 and third case 19, wherein：First case 1 and the second case
10 are fixedly connected by soket head cap screw 5, and the second case 10 is fixedly connected with third case 19, the planetary gear train 8, gearshift
Output mechanism 7 is arranged in the first case 1 and the second case 10.
As shown in Figure 4 and Figure 8, the third driving motor is arranged in the second case 10 and third case 19, described
Third case 19 be set on main shaft 14 by 6304 bearings 26.
As shown in Fig. 3, Fig. 4 and Fig. 9, the gearshift output mechanism 7 is set respectively by 6206 bearings 11,6006 bearings
On the first case 1 and the second case 10, first case 1 is arranged on the ring gear 4 by 61915 bearings 3, and described
Two cases 10 are set in by 61808 bearings on rotor assembly 15.
As shown in Fig. 3, Fig. 4 and Fig. 8, the third driving motor includes rotor assembly 15 and wound stator 17, described
The outer surface surrounding of wound stator 17 is circumferentially evenly equipped with several rotation stop pins 18, prevents 17 Forced rotation of wound stator.
As shown in figs. 4 and 7, the rotor assembly 15 includes：Rotor neck bush 151, rotor magnetic steel 152 and rotor iron
Core 153, wherein：Rotor core 153 is arranged on rotor neck bush 151,153 inner circumferential of rotor core is evenly equipped with rotor magnetic steel
152, fluted disc 12 is arranged on rotor neck bush 151 and one end is fixed with hollow shaft sun gear 13, and the second case 10 passes through 61808
Bearing is set on rotor neck bush 151, and 151 both ends of rotor neck bush pass through 16 sets of 61804 bearings 25 and 6204 bearings respectively
It is located on main shaft 14.
First driving motor 6 is fixed on by soket head cap screw 5 on the first case 1, the described second driving electricity
Machine 2 is fixed on by crossed countersunk head screw 9 on third case 19.
The specification of the soket head cap screw 5 is M8*20.
The specification of the crossed countersunk head screw 9 is M6*20.
As shown in Fig. 4, Fig. 6 b and Fig. 8, the main shaft 14 is in 6204 bearings 16,16004 bearings 20,6204 bearings 16
Axis clamp spring 24 is equipped with 6304 bearing, 26 side, so as to gear ring 4, planet stent 801, rotor neck bush 151 and third case
19 positioning is fixed；The axis is with the specification of clamp spring 24
At work, by the clutch of selector fork and three gear clutch gears, three driving motors can be certainly for the present embodiment
It is driven by switching or speed change, each gear is selected according to use environment and obtains ideal speed and torque in corresponding gear；
1) startup stage and ramp up select the second clutch gear gear, selector fork and the first clutch gear, third
Clutch gear disengages；Large torque is needed to export at this time, control three driving motors respectively by controller in best efficiency area
Interior adjusting, high-power output, the first driving motor 6 and the second driving motor 2 one in third driving motor optimum efficiency section
High-power output, another adjusting increase reduction ratio output, electric vehicle low-speed big traveling in a optimum efficiency section；
2) flat road surface runs at a low speed the stage, selects the first clutch gear gear, selector fork and the second clutch gear, the
Three clutch gears disengage；Low torque low speed is needed to export at this time, controls three driving motors respectively by controller best
The output of third driving motor small-power is adjusted in efficiency section, the first driving motor 6 and 2 one small-powers of the second driving motor are defeated
Go out, the small reduction ratio output of another adjusting, electric vehicle is run at a low speed；
3) flat road surface is run at high speed the stage, selects third clutch gear gear, selector fork and the first clutch gear, the
Two clutch gears disengage；Large torque speedy carding process is needed at this time, controls three driving motors respectively by controller best
It is adjusted in efficiency section, the high-power output of third driving motor, the first driving motor 6 and the second driving motor 2 one are high-power
Output, the small reduction ratio output of another adjusting, electric vehicle are run at high speed；
4) the descending stage, each driving motor is standby, automobile low speed slide.
It is emphasized that：The above is only the preferred embodiment of the present utility model, and not the utility model is appointed
What formal limitation, every any simple modification made according to the technical essence of the utility model to above example, etc.
With variation and modification, in the range of still falling within technical solutions of the utility model.
Claims (5)
1. a kind of more gear stepless speed change driving systems of electric vehicle, which is characterized in that including：First driving motor, second drive
Dynamic motor, third driving motor, planetary gear train and gearshift output mechanism, wherein：Planetary gear train is equipped with gear ring, planet stent, too
Sun wheel and several planetary gears, planetary gear are circumferentially distributed on planet stent, and the first driving motor output terminal is connected with gear ring,
Gear ring is engaged with planetary gear, and the second driving motor output terminal is connected with planet stent, and sun gear is exported with third driving motor
End connects simultaneously engage with planetary gear, is arranged with fluted disc on sun gear, gearshift output mechanism equipped with gear ring, planet stent and
The three gear clutch gears that fluted disc engages respectively.
2. the more gear stepless speed change driving systems of electric vehicle according to claim 1, it is characterized in that, the gear ring,
Planet stent and sun gear are set on main shaft.
3. the more gear stepless speed change driving systems of electric vehicle according to claim 1, it is characterized in that, the gearshift output
Mechanism is equipped with selector fork, and the selector fork is engaged with gear clutch gear any one in three gear clutch gears, and and other
Two gear clutch gears disengage；The gearshift output mechanism is fixedly connected with the drive shaft of electric vehicle.
4. the more gear stepless speed change driving systems of electric vehicle according to claim 2, it is characterized in that, the third is driven
Dynamic motor includes rotor assembly and wound stator, wherein, rotor assembly is equipped with rotor neck bush, and rotor neck bush one end is fixed with
Sun gear, fluted disc are set on sun gear and are fixedly connected with sun gear.
5. the more gear stepless speed change driving systems of electric vehicle according to claim 2, it is characterized in that, described described
The output terminal of one driving motor is connected with gear ring by deceleration mechanism, the output terminal and planet of second driving motor
Stent is connected by deceleration mechanism, and the output terminal of the third driving motor is connected with sun gear by deceleration mechanism,
The deceleration mechanism is belt, any one in chain, gear drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721501818.7U CN207579567U (en) | 2017-11-13 | 2017-11-13 | The more gear stepless speed change driving systems of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721501818.7U CN207579567U (en) | 2017-11-13 | 2017-11-13 | The more gear stepless speed change driving systems of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207579567U true CN207579567U (en) | 2018-07-06 |
Family
ID=62731504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721501818.7U Active CN207579567U (en) | 2017-11-13 | 2017-11-13 | The more gear stepless speed change driving systems of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207579567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719090A (en) * | 2017-11-13 | 2018-02-23 | 八方电气(苏州)股份有限公司 | The more gear stepless speed change driving systems of electric vehicle |
-
2017
- 2017-11-13 CN CN201721501818.7U patent/CN207579567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719090A (en) * | 2017-11-13 | 2018-02-23 | 八方电气(苏州)股份有限公司 | The more gear stepless speed change driving systems of electric vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106763565A (en) | It is suitable to the three gear planet speed change mechanisms that electric vehicle is used | |
| CN207809032U (en) | Hybrid electric drive system and vehicle | |
| CN108131426A (en) | A kind of friction disk clutch formula two-stage self shifter, which becomes, turns round gear mechanism | |
| EP2718134A2 (en) | Gearbox with two different gear stages integrated in rotor of electrical motor | |
| CN105202131A (en) | Automobile generator transmission and control method thereof | |
| CN207579567U (en) | The more gear stepless speed change driving systems of electric vehicle | |
| CN102490597B (en) | Power assembly system for automatic speed change of electric automobile | |
| CN109334422A (en) | A kind of double-motor power driving system | |
| CN102555789A (en) | Mechanical intelligent adaptive double-automatic speed changer driving assembly | |
| CN207500413U (en) | Electric vehicle stepless speed change driving system | |
| CN107719090A (en) | The more gear stepless speed change driving systems of electric vehicle | |
| CN202048148U (en) | Mechanical transmission of electromobile | |
| CN109334443A (en) | The arm-type double planet wheel rows of mixing driving device of automobile corotation | |
| CN106627099A (en) | Hybrid power automotive electric machine continuously variable transmission and hybrid electric vehicle | |
| CN203747567U (en) | Variable-speed drive hub of electric vehicle | |
| AU2003208173B2 (en) | A variable ratio torque converter | |
| CN108662096A (en) | Infinitely variable speed device | |
| CN202827142U (en) | Double-rotor motor and electronic continuously variable transmission (CVT) device used for electric automobile | |
| CN2802833Y (en) | Planetary automatic speed change system of hub machine | |
| CN213360973U (en) | Middle-mounted motor with speed change function | |
| CN208605572U (en) | Infinitely variable speed device | |
| CN107965552B (en) | Stepless speed change driving system, speed change control system and method for electric vehicle | |
| CN210344181U (en) | Novel double-power input gearbox | |
| CN209725118U (en) | A kind of unbroken two speed gear of coaxial-type bi-motor shifting power | |
| CN2897811Y (en) | Electromechanical double speed-shifting gear for electric bicycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |