CN207374094U - Hollow motor formula power transmission system for electric vehicle - Google Patents
Hollow motor formula power transmission system for electric vehicle Download PDFInfo
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- CN207374094U CN207374094U CN201720507470.6U CN201720507470U CN207374094U CN 207374094 U CN207374094 U CN 207374094U CN 201720507470 U CN201720507470 U CN 201720507470U CN 207374094 U CN207374094 U CN 207374094U
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Abstract
The utility model discloses a kind of hollow motor formula power transmission system for electric vehicle, hollow drive axis and speed changer including hollow motor, hollow motor, speed changer includes gear component and front output shaft, and front output shaft can simultaneously be relatively rotated through hollow drive axis；Hollow motor formula power transmission system for electric vehicle is further included by can be in a manner of clutch and the front output shaft coordinates to output power to automobile back wheel to carry out the rear output shaft switched between two drives and 4 wheel driven；The hollow drive axis of hollow motor is used to input power to speed changer, front output shaft as transmission power output terminal is used to drive vehicle front through hollow drive axis in a manner of relatively turnable, so that the fit structure of hollow motor and speed changer quite it is compact, reduce the occupancy to space, and the rear output shaft coordinated by front output shaft clutch realizes that two drive the switching between 4 wheel driven, the output of multiple-working mode can be realized using speed change output precision jointly, so as to be used under various working.
Description
Technical field
The utility model is related to electric powered motor drive area, more particularly to a kind of hollow motor formula electric powered motor
Transmission system.
Background technology
Environmental issue has become a much-talked-about topic of the world today, pure electric automobile zero-emission, pollutes the characteristics of small and makes
Obtaining pure electric automobile becomes automobile industry development and the hot spot of research.In view of pure electric vehicle power transmission system critical piece
(driving motor, speed changer and differential mechanism) lacks unified design arrangement in R＆D process, causes power transmission system structure
Complicated, bulky, weight increases, system is disperseed, cost is higher, is unfavorable for its development and industrialization, by driving motor, speed change
It is the inevitable choice of pure electric automobile development that device, differential mechanism be integrated.In pure electric vehicle transmission systems numerous at present, for example, it is logical
Chevrolet bolt pure electric automobiles under are using hollow motor, fixed reduction ratio retarder, clutch, transmission shaft collection
Into, but this transmission system can not achieve gearshift, reduce efficiency of energy utilization, tesla's pure electric automobile is still using transfer gear
Realize power transmission, complicated increase complete vehicle quality.Pure electric automobile integrated form power drive system form has parallel axes
With triangular form and planetary gear export structure, traditional parallel axes export technique is ripe, simple in structure, but occupied space compares
Greatly, planetary gear output mechanism occupies little space, and process and assemble and the gearshift of single-pinion planetary gear transmission system are difficult.In addition,
Current most of electric cars use the retarder of single fixed speed ratio so that driving motor is usually operated in inefficient area, causes
The waste of the energy so that vehicle continual mileage is reduced.
Utility model content
In view of this, the utility model provides a kind of hollow motor formula power transmission system for electric vehicle, using two drive with
The switching of 4 wheel driven and the integrally disposed mode of speed change system, it is both so that extremely compact, reliability is high, occupy little space and
Gear shift switching is quick easy, is suitable for Various Complex road conditions, has very strong practicability.
The hollow motor formula power transmission system for electric vehicle of the utility model, including in hollow motor, hollow motor
Empty line shaft and speed changer, speed changer include gear component and front output shaft, the hollow drive axis and speed change of hollow motor
Transmission component transmission cooperation inputs for power, and front output shaft forms the power output end of speed changer and for outputting power to
Vehicle front, front output shaft can simultaneously be relatively rotated through hollow drive output shaft；Hollow motor formula electric powered motor is driven
It further includes by can be in a manner of clutch and front output shaft coordinates to output power to automobile back wheel to carry out between two drives and 4 wheel driven
The rear output shaft of switching.
Further, gear component includes fast shelves driving-chain, slow shelves driving-chain and selector shaft, and fast shelves driving-chain includes fast
The shelves secondary and fast shelves secondary gear wheel set of one-stage gear, slow shelves driving-chain include the secondary and slow shelves secondary gear wheel set of slow shelves one-stage gear, soon
The secondary and slow shelves one-stage gear pair of shelves one-stage gear is engaged with merging with the transmission of hollow drive axis with can mutually switch with selector shaft
Or the mode disconnected is set, fast shelves secondary gear wheel set and slow shelves secondary gear wheel set are with front output shaft transmission with merging with can be mutual
Switch the mode for engaging or disconnecting with selector shaft to set.
Further, fast shelves one-stage gear is secondary includes fast shelves level-one driving gear and is engaged with fast shelves level-one driving gear fast
Shelves level-one driven gear, fast shelves secondary gear wheel set include fast shelves two level driving gear and are engaged with fast shelves two level driving gear fast
Shelves two level driven gear；Slow shelves one-stage gear is secondary to be included slow shelves level-one driving gear and is engaged with slow shelves level-one driving gear slow
Shelves level-one driven gear, slow shelves secondary gear wheel set include slow shelves two level driving gear and are engaged with slow shelves two level driving gear slow
Shelves two level driven gear；
Fast shelves level-one driving gear and slow shelves level-one driving gear circumference are fixed on hollow drive axis, and fast shelves two level is driven
Gear and slow shelves two level driven gear circumference are fixed on front output shaft.
Fast shelves level-one driven gear, slow shelves level-one driven gear, fast shelves two level driving gear and slow shelves two level driving gear
Coaxial empty set is arranged on selector shaft.
Further, gear component further includes shift mechanism, and shift mechanism includes being arranged on fast shelves level-one driven gear
Selector shaft is arranged between slow shelves level-one driven gear and in a manner that free-sliding spline form and selector shaft cooperation move in parallel
On the first connector and be arranged between fast shelves two level driving gear and slow shelves two level driving gear and in the form of free-sliding spline
The mode moved in parallel with selector shaft cooperation is arranged at the second connector on selector shaft.
Further, shift mechanism further includes the driving dress that the first connector and the second connector can be driven to move axially simultaneously
It puts, driving device includes the U-shaped frame being connected respectively with the first connector and the second connector and driving U-shaped frame is axial along selector shaft
Mobile screw slide block mechanism, the sliding block of screw slide block mechanism are fixedly connected with U-shaped frame.
Further, rear output shaft is coaxially disposed with front output shaft and passes through clutch and coordinates with front output shaft clutch.
Further, hollow motor formula electric powered motor transmission further includes parking stop device, and parking stop device includes
Stopping gear carries out and the stopping gear engagement or separated claw of locked claw and driving claw for coordinating with stopping gear
Driving mechanism.
Further, claw driving mechanism include the screw body that can be driven in rotation and be integrally formed by claw and with screw body
The slide body of thread fitting.
The beneficial effects of the utility model：The hollow motor formula power transmission system for electric vehicle of the utility model, it is hollow
The hollow drive axis of motor is for inputting power to speed changer, and the front output shaft as transmission power output terminal is in
Lost motion power output shaft can simultaneously relatively rotate to drive vehicle front so that the fit structure of hollow motor and speed changer quite it is tight
It gathers, reduces the occupancy to space, and the rear output shaft coordinated by front output shaft clutch realizes that two drive cutting between 4 wheel driven
It changes, the output of multiple-working mode can be realized using speed change output precision jointly, so as to be used under various working.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model and automotive wheel system cooperation schematic diagram；
Fig. 2 is the utility model overall structure diagram；
Fig. 3 is the parking stop device structure diagram in the utility model.
Specific embodiment
Fig. 1 is the utility model and automotive wheel system cooperation schematic diagram, and Fig. 2 illustrates for the utility model overall structure
Figure, Fig. 3 are the parking stop device structure diagram in the utility model, as shown in the figure：The hollow motor formula electricity of the present embodiment
Electrical automobile power drive system, hollow drive axis 3 and speed changer including hollow motor 1, hollow motor 1, speed changer include becoming
Fast transmission component and front output shaft 20, the hollow drive axis 3 of hollow motor 1 and the transmission cooperation of gear component are defeated for power
Enter, front output shaft 20 forms the power output end of speed changer and for outputting power to vehicle front 21, in front output shaft 20
Set sets and can relatively rotate through hollow drive axis 3；The transmission of hollow motor formula electric powered motor is further included with can clutch
Mode and front output shaft 20 coordinate to output power to automobile back wheel to carry out the rear output shaft switched between two drives and 4 wheel driven
18；Wherein, hollow motor 1 is for generating power, and hollow drive axis is realized by bearing 2 to be rotated for power output, and power is certainly
Hollow drive axis 3 inputs gear component, and the power through gear component is exported from front output shaft 20, works as rear output shaft
18 with front output shaft 20 when separating, and automobile drives patterns for front-wheel 21 drives two, when rear output shaft 18 and front output shaft 20 are formed
During transmission engagement, automobile drives the 4 wheel driven pattern driven jointly with rear wheel drive for front-wheel 21；20 coaxial inner sleeve of front output shaft is passed through
It wears hollow drive axis 3 to set and can relatively rotate, i.e. front output shaft 20 is disposed through front-wheel 21 from inside hollow motor 1 and is driven
Cooperation so that the structural compactness of whole driving switching and transmission gear shift system greatly improves, and space occupancy rate is carried simultaneously
It is high.
In the present embodiment, gear component includes fast shelves driving-chain, slow shelves driving-chain and selector shaft 19, fast shelves driving-chain
Including the secondary and fast shelves secondary gear wheel set of fast shelves one-stage gear, slow shelves driving-chain includes the secondary and slow shelves secondary gear of slow shelves one-stage gear
Pair, the secondary and slow shelves one-stage gear pair of fast shelves one-stage gear is with the transmission of hollow drive axis 3 with merging mutually to switch and gear shift
The mode that axis 19 is engaged or disconnected is set, and fast shelves secondary gear wheel set and slow shelves secondary gear wheel set are driven with front output shaft 20 and coordinate
And it is set in a manner of it can mutually switch and engage or disconnect with selector shaft 19；I.e. gear component is two grades of gears, soon
Shelves driving-chain and slow shelves driving-chain are double reduction mechanism, wherein fast shelves one-stage gear is secondary, pair is adjacent with slow shelves one-stage gear sets
It puts and passes through mutually switching and engage or disconnect with selector shaft 19 to realize the switching of fast, slow shelves, fast shelves secondary gear wheel set and slow shelves
Secondary gear wheel set is disposed adjacent and passes through mutually switching and engages or disconnect with selector shaft 19 to realize the output of fast, slow shelves power,
And the power output end of fast shelves secondary gear wheel set and slow shelves secondary gear wheel set outputs power to front output shaft 20.
In the present embodiment, fast shelves one-stage gear is secondary to be included fast shelves level-one driving gear 4 and is nibbled with fast shelves level-one driving gear 4
Close fast shelves level-one driven gear 7, fast shelves secondary gear wheel set include fast shelves two level driving gear 12 and with fast shelves two level driving tooth
The fast shelves two level driven gear 14 of 12 engagement of wheel；Slow shelves one-stage gear is secondary include slow shelves level-one driving gear 6 and with slow shelves level-one
Driving gear 6 engage slow shelves level-one driven gear 10, slow shelves secondary gear wheel set include slow shelves two level driving gear 13 and with it is slow
The slow shelves two level driven gear 15 of 13 engagement of shelves two level driving gear；
Fast shelves level-one driving gear 4 and slow 6 circumference of shelves level-one driving gear are fixed on hollow drive axis 3, fast shelves two level
Driven gear 14 and slow 15 circumference of shelves two level driven gear are fixed on front output shaft 20；
Fast shelves level-one driven gear 7, slow shelves level-one driven gear 10, fast shelves two level driving gear 12 and slow shelves two level are actively
13 coaxial empty set of gear is arranged on selector shaft 19.
That is, fast shelves level-one driven gear 7, slow shelves level-one driven gear 10, fast shelves two level driving gear 12 and slow shelves two level
Driving gear 13 keeps coaxial arrangement, since hollow drive axis 3 and front output shaft 20 are coaxially disposed, fast shelves level-one driving gear 4,
Slow shelves level-one driving gear 6, fast shelves two level driven gear 14 and slow shelves two level driven gear 15 equally keep coaxial arrangement, hollow
The power of line shaft 3 is inputted from fast shelves level-one driving gear 4 and slow shelves level-one driving gear 6, when fast shelves level-one driven gear 7,
Fast shelves two level driving gear 12 and 19 couple drive of selector shaft, slow shelves level-one driven gear 10, slow shelves two level driving gear 13 with
When selector shaft 19 separates, gear component is in fast shelves output mode (or speedy carding process pattern), when fast shelves level-one is driven
Gear 7, fast shelves two level driving gear 12 separate transmission, slow shelves level-one driven gear 10, slow shelves two level driving tooth with selector shaft 19
When wheel 13 is combined with selector shaft 19, gear component is in slow shelves output mode (or low speed output mode), i.e. speed change passes
Dynamic component can form two kinds of speed output modes.
In the present embodiment, gear component further includes shift mechanism, and shift mechanism is driven including being arranged on fast shelves level-one
It is arranged between gear 7 and slow shelves level-one driven gear 10 and in a manner that free-sliding spline form is moved in parallel with selector shaft cooperation
The first connector 8 on selector shaft 19 and be arranged between fast shelves two level driving gear 12 and slow shelves two level driving gear 13 and with
The mode that free-sliding spline form is moved in parallel with selector shaft cooperation is arranged at the second connector 23 on selector shaft 19；Fast shelves level-one
Driving gear 4, slow shelves level-one driving gear 6, fast shelves level-one driven gear 7, slow shelves level-one driven gear 10, fast shelves two level are actively
Gear 12, slow shelves two level driving gear 13, fast shelves two level driven gear 14, slow shelves two level driven gear 15 are cylindrical straight gear
Wheel, mutual engagement is external toothing, is respectively arranged on fast shelves level-one driven gear 7 and slow shelves level-one driven gear 10
For the soldered tooth engaged with the first connector 8, set respectively on fast shelves two level driving gear 12 and slow shelves two level driving gear 13
The soldered tooth for being engaged with the second connector 23 is equipped with, the first connector 8 and the second connector 23 are existing synchronizer structure,
Details are not described herein.
In the present embodiment, shift mechanism further includes can drive the first connector 8 and the second connector 23 to move axially simultaneously
Driving device, driving device includes the U-shaped frame 9 that be connected respectively with the first connector 8 and the second connector 23 and drives U-shaped
The screw slide block mechanism 11 that frame 9 is moved axially along selector shaft 19, the sliding block of screw slide block mechanism 11 are fixedly connected with U-shaped frame 9, can
By electric device screw rotation is driven to realize the switching of fast, slow shelves, can not only realize gear shift intelligence, ensure top gear, low
The smooth-going switching of speed gear and neutral gear, and with preferable shift lock effect, prevent gear from loosening；Using with coaxial design,
Gearshift can realize different reduction ratio, to ensure that engine is constantly in the range of economic speed using twin design.
In the present embodiment, rear output shaft 18 and front output shaft 20 be coaxially disposed and pass through clutch 16 and front output shaft 20 from
Close cooperation；Front output shaft 20, rear output shaft 18 and 3 three of hollow drive axis are coaxially set, and clutch 16 is friction type clutch
Device；.
In the present embodiment, hollow motor formula power transmission system for electric vehicle further includes parking stop device 5, parking stop
Device 5 includes stopping gear 5-3, carries out locked claw 5-1 and driving claw 5-1 with stopping for coordinating with stopping gear 5-3
Moving gear 5-3 is engaged or separated claw 5-1 driving mechanisms；Claw 5-1 driving mechanisms include the screw body that can be driven in rotation
5-2 and be integrally formed by claw 5-1 and with the slide body 5-4 of screw body thread fitting；It is provided with and is used for and stop on claw 5-1
Gear 5-3 engagements carry out the latch of stop, and under the driving of external motive device, claw 5-1 can be along the axial straight line of screw body
Movement, so as to fulfill stop or release；That is stopping gear 5-3 is arranged on fast shelves level-one driving gear 4 and positioned at fast shelves level-one
Between driving gear 4 and slow shelves level-one driving gear 6, under conditions of power is certain, rotating speed is high, and stress is small, on complicated road
Safety coefficient higher under the conditions of condition, and between two gears, its space is made full use of, further improve its space availability ratio.
That is, on the basis of gear component can form two kinds of speed output modes, in conjunction with rear output shaft 18 with before
The clutch cooperation of output shaft 20, the power transfer pattern of the system are specific as follows：
Forerunner (two drive) fast shelves pattern, the first connector 8 and the second connector 23 are moved to the left through gear-shifting driving device, make
Shelves level-one driven gear 7 and fast shelves two level driving gear 12 soon is obtained to engage with the first connector 8 and the second connector 23 respectively,
Power transmission is carried out, parking stop device 5 and clutch are in discrete state, and power is through fast shelves level-one driving gear, fast shelves one
Grade driven gear 7, the first connector 8, selector shaft 19, the second connector 23, fast shelves two level driving gear 12, fast shelves two level are driven
Gear 14 and front output shaft 20, until front differential mechanism and front vehicle wheel, vehicle to be driven to advance；
Forerunner (two drive) slow shelves pattern, the first connector 8 and the second connector 23 move right through gear-shifting driving device, make
Shelves level-one driven gear 10 and slow shelves two level driving gear 13 slowly is obtained to engage with the first connector 8 and the second connector 23 respectively,
Power transmission is carried out, parking stop device 5 and clutch are in discrete state, and power is through slow shelves level-one driving gear 6, slow shelves one
Grade driven gear 10, the first connector 8, selector shaft 19, the second connector 23, slow shelves two level driving gear 13, slow shelves two level from
Moving gear 15 and front output shaft 20, until front differential mechanism and front vehicle wheel, vehicle to be driven to advance；
The fast shelves pattern of 4 wheel driven, at this point, parking stop device 5 is in discrete state, slip clutch is in closure state,
First connector 8 and the second connector 23 are moved to the left through gear-shifting driving device so that fast shelves level-one driven gear 7 and fast shelves two
Grade driving gear 12 engages respectively with the first connector 8 and the second connector 23, carries out power transmission, 5 He of parking stop device
Clutch is in discrete state, and power is through fast shelves level-one driving gear, fast shelves level-one driven gear 7, the first connector 8, gear shift
Axis 19, the second connector 23, fast shelves two level driving gear 12 and fast shelves two level driven gear 14, and it is defeated from front output shaft 20 respectively
Go out to front differential mechanism 22 and front vehicle wheel, exported from rear output shaft 18 to rear differential mechanism 17 and rear wheel, vehicle to be driven to advance；
The slow shelves pattern of 4 wheel driven, at this point, parking stop device 5 is in discrete state, slip clutch is in closure state,
First connector 8 and the second connector 23 move right through gear-shifting driving device so that slow shelves level-one driven gear 10 and slow shelves
Two level driving gear 13 engages respectively with the first connector 8 and the second connector 23, carries out power transmission, parking stop device 5
Be in discrete state with clutch, power through slow shelves level-one driving gear 6, slow shelves level-one driven gear 10, the first connector 8,
Selector shaft 19, the second connector 23, slow shelves two level driving gear 13 and slow shelves two level driven gear 15, and respectively from front output shaft
20 outputs are exported from rear output shaft 18 to rear differential mechanism and rear wheel, to front differential mechanism and front vehicle wheel vehicle to be driven to advance；
Park position pattern, according to the demand of actual road conditions, electric car needs parking device, avoids the unnecessary cunning of vehicle
Row, in such a mode, hollow motor is stopped, and connector is in top gear or bottom gear, claw 5-1 and stopping gear 5-3
Cooperation is locked, and then completes parking function.
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 among the right of the utility model.
Claims (8)
1. a kind of hollow motor formula power transmission system for electric vehicle, it is characterised in that：Including in hollow motor, hollow motor
Empty line shaft and speed changer, the speed changer include gear component and front output shaft, the hollow drive of the hollow motor
Axis is inputted with gear component transmission cooperation for power, and the front output shaft forms the power output end of speed changer simultaneously
For outputting power to vehicle front, the front output shaft can simultaneously be relatively rotated through hollow drive axis；The hollow electricity
Machine formula power transmission system for electric vehicle is further included can coordinate to output power with the front output shaft in a manner of clutch
To automobile back wheel to carry out the rear output shaft switched between two drives and 4 wheel driven.
2. hollow motor formula power transmission system for electric vehicle according to claim 1, it is characterised in that：The speed change passes
Dynamic component includes fast shelves driving-chain, slow shelves driving-chain and selector shaft, and it is secondary and fast that the fast shelves driving-chain includes fast shelves one-stage gear
Shelves secondary gear wheel set, the slow shelves driving-chain include the secondary and slow shelves secondary gear wheel set of slow shelves one-stage gear, the fast shelves level-one tooth
Wheel set and the slow shelves one-stage gear pair are engaged with merging with hollow drive axis transmission with can mutually switch with selector shaft
Or the mode disconnected is set, the fast shelves secondary gear wheel set and the slow shelves secondary gear wheel set are matched somebody with somebody with front output shaft transmission
Merging is set in a manner of it can mutually switch and engage or disconnect with selector shaft.
3. hollow motor formula power transmission system for electric vehicle according to claim 2, it is characterised in that：The fast shelves one
Grade gear pair includes fast shelves level-one driving gear and the fast shelves level-one driven gear engaged with fast shelves level-one driving gear, described fast
Shelves secondary gear wheel set includes fast shelves two level driving gear and the fast shelves two level driven gear engaged with fast shelves two level driving gear；Institute
State the secondary slow shelves level-one driven tooth for including slow shelves level-one driving gear and being engaged with slow shelves level-one driving gear of slow shelves one-stage gear
Wheel, the slow shelves secondary gear wheel set include slow shelves two level driving gear and the slow shelves two level that is engaged with slow shelves two level driving gear from
Moving gear；
The fast shelves level-one driving gear and the slow shelves level-one driving gear circumference are fixed on the hollow drive axis, described
Fast shelves two level driven gear and the slow shelves two level driven gear circumference are fixed on the front output shaft；
The fast shelves level-one driven gear, the slow shelves level-one driven gear, the fast shelves two level driving gear and the slow shelves
The coaxial empty set of two level driving gear is arranged on the selector shaft.
4. hollow motor formula power transmission system for electric vehicle according to claim 3, it is characterised in that：The speed change passes
Dynamic component further includes shift mechanism, and the shift mechanism includes being arranged on the fast shelves level-one driven gear and the slow shelves level-one
First be arranged between driven gear and in a manner that free-sliding spline form is moved in parallel with selector shaft cooperation on selector shaft connects
Clutch and be arranged between the fast shelves two level driving gear and the slow shelves two level driving gear and in the form of free-sliding spline with
The mode that selector shaft cooperation moves in parallel is arranged at the second connector on selector shaft.
5. hollow motor formula power transmission system for electric vehicle according to claim 4, it is characterised in that：The gear shift machine
Structure further includes the driving device that the first connector and the second connector can be driven to move axially simultaneously, and the driving device includes dividing
The screw sliding block machine that the U-shaped frame and driving U-shaped frame not being connected with the first connector and the second connector are moved axially along selector shaft
Structure, the sliding block of the screw slide block mechanism are fixedly connected with the U-shaped frame.
6. hollow motor formula power transmission system for electric vehicle according to claim 1, it is characterised in that：Output after described
Axis is coaxially disposed with the front output shaft and passes through clutch to be coordinated with the front output shaft clutch.
7. hollow motor formula power transmission system for electric vehicle according to claim 1, it is characterised in that：The hollow electricity
Machine formula power transmission system for electric vehicle further includes parking stop device, and the parking stop device includes stopping gear, is used for
Locked claw and driving claw and stopping gear engagement or separated claw driving mechanism are carried out with stopping gear cooperation.
8. hollow motor formula power transmission system for electric vehicle according to claim 7, it is characterised in that：The claw drives
Motivation structure include the screw body that can be driven in rotation and be integrally formed by claw and with the slide body of screw body thread fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720507470.6U CN207374094U (en) | 2017-05-08 | 2017-05-08 | Hollow motor formula power transmission system for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720507470.6U CN207374094U (en) | 2017-05-08 | 2017-05-08 | Hollow motor formula power transmission system for electric vehicle |
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| Publication Number | Publication Date |
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| CN207374094U true CN207374094U (en) | 2018-05-18 |
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ID=62297766
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720507470.6U Active CN207374094U (en) | 2017-05-08 | 2017-05-08 | Hollow motor formula power transmission system for electric vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956579A (en) * | 2017-05-08 | 2017-07-18 | 重庆大学 | Hollow motor formula electric automobile driving switching and transmission gear shift system |
| CN110949127A (en) * | 2019-11-27 | 2020-04-03 | 威海人合机电股份有限公司 | Dual-motor stepless speed change walking driving system and driving method thereof |
| WO2022135407A1 (en) * | 2020-12-23 | 2022-06-30 | 武汉路特斯汽车有限公司 | Coaxial pure electric vehicle power system having power disconnection function and vehicle |
-
2017
- 2017-05-08 CN CN201720507470.6U patent/CN207374094U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956579A (en) * | 2017-05-08 | 2017-07-18 | 重庆大学 | Hollow motor formula electric automobile driving switching and transmission gear shift system |
| CN106956579B (en) * | 2017-05-08 | 2023-12-01 | 重庆大学 | Hollow motor type electric automobile driving switching and transmission speed changing system |
| CN110949127A (en) * | 2019-11-27 | 2020-04-03 | 威海人合机电股份有限公司 | Dual-motor stepless speed change walking driving system and driving method thereof |
| WO2022135407A1 (en) * | 2020-12-23 | 2022-06-30 | 武汉路特斯汽车有限公司 | Coaxial pure electric vehicle power system having power disconnection function and vehicle |
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