CN106427551A - Rotary-shaft-free two-speed gearshift transmission system for electric vehicle - Google Patents
Rotary-shaft-free two-speed gearshift transmission system for electric vehicle Download PDFInfo
- Publication number
- CN106427551A CN106427551A CN201611021243.9A CN201611021243A CN106427551A CN 106427551 A CN106427551 A CN 106427551A CN 201611021243 A CN201611021243 A CN 201611021243A CN 106427551 A CN106427551 A CN 106427551A
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- China
- Prior art keywords
- shaft
- gear
- main shaft
- rotor
- differential
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structure Of Transmissions (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention discloses a rotary-shaft-free two-speed gearshift transmission system for an electric vehicle. The system comprises a shell, a differential mechanism, a rotor, a stator, a synchronizer, a differential shaft, a right output shaft, a left output shaft, a driven shaft, a two-stage speed reduction gear train. The two-stage speed reduction gear train comprises a main shaft second-gear gear, a driven shaft big gear, a driven shaft small gear and a main shaft first-gear gear. The system is characterized in that the interior of the rotor is of a cavity structure, and the differential mechanism is arranged in the cavity structure of the rotor so that axial distance can be reduced; the end face of the rotor is directly fixedly connected with the gears so that power of the motor can be output through the end face of the rotor. The work efficiency of the motor can be improved, and the small size and light weight of a power system are completed.
Description
Technical field：
The present invention relates to the power drive system field of electric automobile, specifically a kind of for electric automobile exempt from turn
Two grades of variable ratio drive systems of axle.
Background technology：
At present, the development of electric automobile receives significant attention.The electric drive solution of existing electric automobile be mostly
Fuel-engined vehicle drive system improves：Replace motor with engine, motor is connected on power transmission shaft again by reduction box even
It is connected on drive axle.This design is changed less, and inheritance is good, but has that noise is big, vibration is strong, transmission chain length, transmission efficiency
The shortcomings such as low, huge structure.
Content of the invention:
The present invention is the weak point overcoming above-mentioned prior art to exist, there is provided a kind of exempt from rotating shaft for electric automobile
Two gear variable ratio drive systems, to improving motor working efficiency, reach the miniaturization of dynamical system and light-weighted purpose.
To achieve the above object of the invention, the present invention adopts the following technical scheme that：
The present invention is a kind of to exempt from two grades of variable ratio drive systems of rotating shaft for electric automobile, including housing, differential mechanism, rotor,
Stator, synchronized, differential shaft, right output shaft, left output shaft, driven shaft, double reduction train；Described double reduction train bag
Include：Main shaft second gear, driven shaft gear wheel, driven shaft little gear, main shaft one shelves gear；
Described stator is fixing on the housing, and described stator interior is provided with described rotor, described rotor end-face with
The side of described main shaft second gear is affixed, and the opposite side of described main shaft second gear and main shaft two keep off and be fixed in one with reference to gear ring
Rise, described main shaft second gear engages with described driven shaft gear wheel, described driven shaft gear wheel by keying be connected in described in from
The side of moving axis, described driven shaft is to be fixedly installed, and passes through the little tooth of bonded described driven shaft in the opposite side of described driven shaft
Wheel, described driven shaft little gear is engaged with described main shaft one shelves gear, and described main shaft one shelves gear and one grade of described main shaft combine
Gear ring is affixed, and one grade of described main shaft keeps off with reference to gear ring and described main shaft two and formed and change with reference to gear ring, described synchronized, described shift fork
Retaining device, described synchronized passes through spline connection on described differential shaft, and described differential shaft is fixed on the housing of described differential mechanism
On, described differential mechanism be respectively arranged at two ends with described left output shaft and described right output shaft, be used for realizing power output.Its feature
It is：
The inside arranging described rotor is cavity structure, is provided with described differential mechanism in the cavity structure of described rotor；
Described main shaft second gear is directly fixed on the end face of described rotor, defeated by rotor end-face to realize motor power
Go out；
Of the present invention exempt from two grades of variable ratio drive systems of rotating shaft for electric automobile, its feature lies also in：Setting institute
State differential shaft for hollow shaft so that described left output shaft can be arranged in the inside of described differential shaft, and be connected with described differential mechanism
Connect.
Compared with the prior art, beneficial effects of the present invention are embodied in：
1st, the present invention adopt structure assembly design it is achieved that motor, speed changer and differential mechanism very high integrity design with
Application, the integrated and integrated of power drive system becomes apparent from, and effectively reduces volume and the quality of power drive system, moves
The complexity of the size of power assembly and housing and area, compact conformation, small volume, lightweight；And reduce and be processed into
This；Employ two grades of gears simultaneously, car load efficiency can be effectively improved.
2, present invention eliminates rotating shaft, by differential mechanism located at internal rotor, take full advantage of the inner space of rotor, reduce
The axial dimension of whole system, thus efficiently reduce the volume of system.
3rd, the motor transmission integral structure of the present invention, affixed with rotor end-face by gear, realize motor power by turn
Sub- end face output；And gearshift is realized using synchronized, with the electric drive system for electric vehicles phase only at present with a decelerator
The present invention can make motor work long hours in high efficient district to ratio, extends the continual mileage of vehicle, and increased electronic vapour
Torque during car starting, improves the driver comfort of electric automobile.
Brief description：
Fig. 1 is present system structural representation；
In figure label:1 housing；2 left output shafts；3 differential mechanisms；4 rotors；5 stators；6 main shaft second gears；7 main shafts two keep off
In conjunction with gear ring；8 shift forks；9 synchronizeds；10 one grade of main shafts combine gear ring；11 main shaft one shelves gear；12 differential shafts；13 left output shafts；
14 driven shaft little gears；15 driven shafts；16 driven shaft gear wheels.
Specific embodiment
Referring to Fig. 1, a kind of exempt from two grades of variable ratio drive systems of rotating shaft for electric automobile, including housing 1, differential mechanism 3, turn
Son 4, stator 5, synchronized 9, differential shaft 12, right output shaft 2, left output shaft 13, driven shaft 15, double reduction train.Wherein, two
Level deceleration train includes main shaft second gear 6, driven shaft gear wheel 16, driven shaft little gear 14, main shaft one shelves gear 11.
Stator 5 is fixed on housing 1, is internally provided with rotor 4, rotor 4 end face and main shaft second gear 6 in stator 5
Side is affixed, and when rotor 4 is with certain rotational speed, main shaft second gear 6 will realize motor with same rotational speed
Power is exported by rotor end-face；The opposite side of main shaft second gear 6 is kept off with main shaft two and being fixed together with reference to gear ring 7, main shaft two
Gear gear 6 is engaged with driven shaft gear wheel 16, and the number of teeth of setting main shaft second gear 6 is less than driven shaft gear wheel 16, according to tooth
The wheel theory of engagement, the rotating speed of driven shaft gear wheel 16 will reduce, to reach primary speed-down purpose；Driven shaft gear wheel 16 passes through
Keying is connected in the side of driven shaft 15, and driven shaft 15 is to be fixedly installed, and passes through bonded driven shaft in the opposite side of driven shaft 15
Little gear 14, so that driven shaft little gear 14 and driven shaft gear wheel 16 have identical rotating speed, driven shaft little gear 14
Engage with main shaft one shelves gear 11, the number of teeth of setting driven shaft little gear 14 is less than main shaft one shelves gear 11, is engaged according to gear
Principle, the rotating speed of main shaft one shelves gear 11 will reduce, and reaches the purpose of double reduction.
Main shaft one shelves gear 11 is affixed with reference to gear ring 10 with one grade of main shaft, and one grade of main shaft combines gear ring 10 and main shaft two gear knot
Close gear ring 7, synchronized (9), shift fork 8 formation gearshift, when shift fork 8 is allocated to the right, synchronized 9 combines gear ring with main shaft two gear
7 engage so that differential shaft 12 has and main shaft second gear 6 identical rotating speed；When shift fork 8 is allocated to the left side, synchronized 9 and main shaft
One grade engages with reference to gear ring 10 so that differential shaft 12 has and main shaft one shelves gear 11 identical rotating speed.
Synchronized 9 passes through spline connection on differential shaft 12, and differential shaft 12 is fixed on the housing of differential mechanism 3, differential mechanism 3
Be respectively arranged at two ends with left output shaft 13 and right output shaft 2, be used for realizing power output.
As shown in figure 1, in the present embodiment, the inside of setting rotor 4 is cavity structure, and eliminates rotating shaft, in rotor 4
It is provided with described differential mechanism 3 in cavity structure；
Main shaft second gear 6 is directly fixed on the end face of rotor 4, is exported by rotor end-face with realizing motor power；
Setting differential shaft 12 be hollow shaft so that left output shaft 13 can be arranged in the inside of differential shaft 12, and with differential mechanism 3
It is connected.
Exempt from two grades of variable ratio drive systems of rotating shaft, its gear working method is in difference according to running car in the present embodiment
Operating mode under, by controlling shift fork 8 to stir to the left or gearshift is realized in the operation fluctuated to the right, carry out gearshift behaviour using shift fork 8
It is specially：
When electric automobile is when running under one grade of speed operation, by shift fork 8, synchronized 9 is stirred to the left, make
Synchronized 9 is kept off with main shaft one and engaging with reference to gear ring wheel 10；Rotor 4 rotates and right driving gear 6 is rotated, right driving gear 6
Export to left driven gear 11 through double reduction, left driven gear 11 combines gear ring 10, synchronized 9 drive differential for one grade through main shaft
Axle 12 rotates, and differential shaft 12 drives differential mechanism 3 to rotate, and differential mechanism 3 is respectively arranged at two ends with left output shaft 13, right output shaft 2, completes
Power output；
When electric automobile runs under the high-speed working condition close to two gears, by shift fork 8, synchronized 9 is fluctuated to the right, make
Synchronized 9 is kept off with main shaft two and engaging with reference to gear ring 7；Rotor 4 rotates and right driving gear 6 is rotated, and right driving gear 6 is through master
Axle two keeps off and drives differential shaft 12 to rotate with reference to gear ring 7, synchronized 9, and differential shaft 12 drives differential mechanism 3 to rotate, and differential mechanism 3 two ends are divided
It is not provided with left output shaft 13, right output shaft 2, complete power output.
Claims (2)
1. a kind of exempt from two grades of variable ratio drive systems of rotating shaft for electric automobile, including housing (1), differential mechanism (3), rotor (4),
Stator (5), synchronized (9), differential shaft (12), right output shaft (2), left output shaft (13), driven shaft (15), double reduction wheel
System；Described double reduction train includes：Main shaft second gear (6), driven shaft gear wheel (16), driven shaft little gear (14), master
Axle one shelves gear (11)；
Described stator (5) is fixed on described housing (1), is internally provided with described rotor (4) in described stator (5), described turn
Sub (4) end face is affixed with the side of described main shaft second gear (6), the opposite side of described main shaft second gear (6) and main shaft two
Gear be fixed together with reference to gear ring (7), described main shaft second gear (6) is engaged with described driven shaft gear wheel (16), described from
Moving axis gear wheel (16) is connected in the side of described driven shaft (15) by keying, and described driven shaft (15) is to be fixedly installed, in institute
State the opposite side of driven shaft (15) by bonded described driven shaft little gear (14), described driven shaft little gear (14) with described
Main shaft one shelves gear (11) engages, and described main shaft one shelves gear (11) is affixed with reference to gear ring (10) with one grade of described main shaft, described
One grade of main shaft combines gear ring (10) and is formed and change with reference to gear ring (7), described synchronized (9), described shift fork (8) with described main shaft two gear
Retaining device, described synchronized (9) passes through spline connection on described differential shaft (12), and described differential shaft (12) is fixed on described difference
On the housing of fast device (3), described differential mechanism (3) be respectively arranged at two ends with described left output shaft (13) and described right output shaft (2),
For realizing power output.It is characterized in that：
The inside arranging described rotor (4) is cavity structure, is provided with described differential mechanism in the cavity structure of described rotor (4)
(3)；
Described main shaft second gear (6) is directly fixed on the end face of described rotor (4), to realize motor power by rotor end-face
Output.
2. according to claim 1 for electric automobile exempt from two grades of variable ratio drive systems of rotating shaft it is characterised in that：Setting
Described differential shaft (12) be hollow shaft so that described left output shaft (13) can be arranged in the inside of described differential shaft (12), and with
Described differential mechanism (3) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611021243.9A CN106427551B (en) | 2016-11-21 | 2016-11-21 | A kind of shaft two of exempting from for electric vehicle keeps off variable ratio drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611021243.9A CN106427551B (en) | 2016-11-21 | 2016-11-21 | A kind of shaft two of exempting from for electric vehicle keeps off variable ratio drive system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106427551A true CN106427551A (en) | 2017-02-22 |
| CN106427551B CN106427551B (en) | 2018-08-03 |
Family
ID=58221248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611021243.9A Active CN106427551B (en) | 2016-11-21 | 2016-11-21 | A kind of shaft two of exempting from for electric vehicle keeps off variable ratio drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106427551B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379965A (en) * | 2017-08-21 | 2017-11-24 | 中能绿驰成都汽车科技有限公司 | A kind of 2AMT power drive systems of integrated form |
| CN108556606A (en) * | 2018-03-12 | 2018-09-21 | 江苏大学 | It is a kind of for the integrated motor of electric vehicle and the Driven by Coaxial bridge and method of speed changer |
| CN108612813A (en) * | 2018-05-31 | 2018-10-02 | 厦门理工学院 | A kind of dedicated speed changer of electric vehicle and reducer group device |
| CN109163058A (en) * | 2018-10-23 | 2019-01-08 | 南京越博动力***股份有限公司 | A kind of horizontal electric drive axle assembly system of bi-motor and shift control method |
| CN109435657A (en) * | 2018-09-07 | 2019-03-08 | 天嘉智能装备制造江苏股份有限公司 | A kind of three-in-one electric drive vehicle bridge and its control method for electric vehicle |
| CN109695686A (en) * | 2018-12-07 | 2019-04-30 | 一汽解放汽车有限公司 | A kind of drive axle double speed decelerator structure of bi-bevel gear |
| WO2023206719A1 (en) * | 2022-04-25 | 2023-11-02 | 特百佳动力科技有限公司 | Coaxial electric drive axle and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4334590A1 (en) * | 1993-10-11 | 1995-04-13 | Abb Patent Gmbh | Drive unit having an electric motor and a differential transmission (differential drive) |
| CN201457048U (en) * | 2009-06-30 | 2010-05-12 | 比亚迪股份有限公司 | Electric driving system |
| CN103587411A (en) * | 2013-11-29 | 2014-02-19 | 合肥工业大学 | Motor-transmission integrated transmission system for blade electric vehicle |
| CN103895507A (en) * | 2014-03-10 | 2014-07-02 | 合肥工业大学 | Motor and speed changer integrated power assembly for battery electric vehicles |
| CN104477029A (en) * | 2014-12-26 | 2015-04-01 | 合肥工业大学 | Electric drive system of two-gear electric automobile |
| CN104930137A (en) * | 2015-05-29 | 2015-09-23 | 精进电动科技（北京）有限公司 | Automatic speed changer |
-
2016
- 2016-11-21 CN CN201611021243.9A patent/CN106427551B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4334590A1 (en) * | 1993-10-11 | 1995-04-13 | Abb Patent Gmbh | Drive unit having an electric motor and a differential transmission (differential drive) |
| CN201457048U (en) * | 2009-06-30 | 2010-05-12 | 比亚迪股份有限公司 | Electric driving system |
| CN103587411A (en) * | 2013-11-29 | 2014-02-19 | 合肥工业大学 | Motor-transmission integrated transmission system for blade electric vehicle |
| CN103895507A (en) * | 2014-03-10 | 2014-07-02 | 合肥工业大学 | Motor and speed changer integrated power assembly for battery electric vehicles |
| CN104477029A (en) * | 2014-12-26 | 2015-04-01 | 合肥工业大学 | Electric drive system of two-gear electric automobile |
| CN104930137A (en) * | 2015-05-29 | 2015-09-23 | 精进电动科技（北京）有限公司 | Automatic speed changer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379965A (en) * | 2017-08-21 | 2017-11-24 | 中能绿驰成都汽车科技有限公司 | A kind of 2AMT power drive systems of integrated form |
| CN108556606A (en) * | 2018-03-12 | 2018-09-21 | 江苏大学 | It is a kind of for the integrated motor of electric vehicle and the Driven by Coaxial bridge and method of speed changer |
| CN108612813A (en) * | 2018-05-31 | 2018-10-02 | 厦门理工学院 | A kind of dedicated speed changer of electric vehicle and reducer group device |
| CN109435657A (en) * | 2018-09-07 | 2019-03-08 | 天嘉智能装备制造江苏股份有限公司 | A kind of three-in-one electric drive vehicle bridge and its control method for electric vehicle |
| CN109163058A (en) * | 2018-10-23 | 2019-01-08 | 南京越博动力***股份有限公司 | A kind of horizontal electric drive axle assembly system of bi-motor and shift control method |
| CN109695686A (en) * | 2018-12-07 | 2019-04-30 | 一汽解放汽车有限公司 | A kind of drive axle double speed decelerator structure of bi-bevel gear |
| CN109695686B (en) * | 2018-12-07 | 2024-02-23 | 一汽解放汽车有限公司 | Driving axle double-speed reducer structure with double bevel gears |
| WO2023206719A1 (en) * | 2022-04-25 | 2023-11-02 | 特百佳动力科技有限公司 | Coaxial electric drive axle and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106427551B (en) | 2018-08-03 |
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