CN106427551B - A kind of shaft two of exempting from for electric vehicle keeps off variable ratio drive system - Google Patents
A kind of shaft two of exempting from for electric vehicle keeps off variable ratio drive system Download PDFInfo
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- CN106427551B CN106427551B CN201611021243.9A CN201611021243A CN106427551B CN 106427551 B CN106427551 B CN 106427551B CN 201611021243 A CN201611021243 A CN 201611021243A CN 106427551 B CN106427551 B CN 106427551B
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- shaft
- gear
- main shaft
- rotor
- differential
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Classifications
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- 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
Abstract
The invention discloses a kind of shafts two of exempting from for electric vehicle to keep off variable ratio drive system, including shell, differential mechanism, rotor, stator, synchronizer, differential shaft, right output shaft, left output shaft, driven shaft, double reduction train；Double reduction train includes：Main shaft second gear, driven shaft gear wheel, driven shaft pinion gear, main shaft first gear；It is characterized in that：The inside that rotor is arranged is cavity structure, differential mechanism is provided in the cavity structure of rotor, to reduce axial distance；The directly affixed gear in the end face of rotor, to realize that motor power is exported by rotor end-face.The present invention can improve motor working efficiency, complete the miniaturization and lightweight of dynamical system.
Description
Technical field：
It is specifically a kind of to exempt to turn for electric vehicle the present invention relates to the power drive system field of electric vehicle
Axis two keeps off variable ratio drive system.
Background technology：
Currently, the development of electric vehicle receives significant attention.The electric drive solution of existing electric vehicle mostly be
Fuel-engined vehicle drive system improves：Motor is replaced with engine, motor is connected and is connected again by reduction box on transmission shaft
It is connected on drive axle.This design change is smaller, 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.
Invention content:
Present invention place in order to overcome the deficiencies of the above existing technologies provides and a kind of exempting from shaft for electric vehicle
Two gear variable ratio drive systems achieve the purpose that the miniaturization and lightweight of dynamical system to improve motor working efficiency.
To achieve the above object of the invention, the present invention adopts the following technical scheme that：
The present invention it is a kind of for electric vehicle exempt from shaft two keep off variable ratio drive system, including shell, differential mechanism, rotor,
Stator, synchronizer, differential shaft, right output shaft, left output shaft, driven shaft, double reduction train；The double reduction train packet
It includes：Main shaft second gear, driven shaft gear wheel, driven shaft pinion gear, main shaft first gear；
The stator is fixed on the housing, and the stator interior is provided with the rotor, the rotor end-face with
The side of the main shaft second gear is affixed, and the other side of the main shaft second gear is kept off with main shaft two is fixed in one in conjunction with gear ring
Rise, the main shaft second gear is engaged with the driven shaft gear wheel, the driven shaft gear wheel by key be fixed on described in from
The side of moving axis, the driven shaft are fixed setting, in the other side of the driven shaft by being keyed the small tooth of driven shaft
Wheel, the driven shaft pinion gear are engaged with the main shaft first gear, and the main shaft first gear is combined with the gear of the main shaft one
Gear ring is affixed, and the gear of the main shaft one keeps off in conjunction with gear ring and the main shaft two and forms shift machine in conjunction with gear ring, the synchronizer, shift fork
Structure, the synchronizer are connected to by spline on the differential shaft, and the differential shaft is fixed on the shell of the differential mechanism, institute
The both ends for stating differential mechanism are respectively equipped with the left output shaft and the right output shaft, for realizing power output；Its feature is：
The inside that the rotor is arranged is cavity structure, and the differential mechanism is provided in the cavity structure of the rotor；
The main shaft second gear is directly fixed on the end face of the rotor, to realize that motor power is defeated by rotor end-face
Go out；
Shaft two of exempting from of the present invention for electric vehicle keeps off variable ratio drive system, and feature is lain also in：Setting institute
It is hollow shaft to state differential shaft so that the left output shaft can be arranged in the inside of the differential shaft, and be connected with the differential mechanism
It connects.
Compared with the prior art, beneficial effects of the present invention are embodied in：
1, the present invention using structure assembly design, realize motor, speed changer and differential mechanism very high integrity design with
Using the integrated and integration of power drive system is more obvious, effectively reduces the volume and quality of power drive system, moves
The size of power assembly and the complexity of shell and area, it is compact-sized, it is small, light-weight；And it reduces and is processed into
This；Two gear gears are used simultaneously, vehicle efficiency can be effectively improved.
2, present invention eliminates shafts, and differential mechanism is set to internal rotor, takes full advantage of the inner space of rotor, is reduced
The axial dimension of whole system, to efficiently reducing the volume of system.
3, motor transmission integral structure of the invention, gear is affixed with rotor end-face, realize motor power by turning
Sub- end face output；And shift is realized using synchronizer, there are one the electric drive system for electric vehicles phases of retarder with a tool at present
Than the present invention can make driving motor work long hours in high efficient district, extend the continual mileage of vehicle, and increase electronic vapour
Torque when vehicle is started to walk, improves the driver comfort of electric vehicle.
Description of the drawings：
Fig. 1 is present system structural schematic diagram；
Figure label:1 shell；2 left output shafts；3 differential mechanisms；4 rotors；5 stators；6 main shaft second gears；7 main shafts two are kept off
In conjunction with gear ring；8 shift forks；9 synchronizers；10 main shafts one gear combines gear ring；11 main shaft first gears；12 differential shafts；13 left output shafts；
14 driven shaft pinion gears；15 driven shafts；16 driven shaft gear wheels.
Specific implementation mode
Referring to Fig. 1, it is a kind of for electric vehicle exempt from shaft two keep off variable ratio drive system, including shell 1, differential mechanism 3, turn
Son 4, stator 5, synchronizer 9, differential shaft 12, right output shaft 2, left output shaft 13, driven shaft 15, double reduction train.Wherein, two
Grade deceleration train includes main shaft second gear 6, driven shaft gear wheel 16, driven shaft pinion gear 14, main shaft first gear 11.
Stator 5 is fixed on shell 1, and rotor 4,4 end face of rotor and main shaft second gear 6 are internally provided 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 other side of main shaft second gear 6 keeps off with main shaft two and being fixed together in conjunction with 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 theory of engagement is taken turns, the rotating speed of driven shaft gear wheel 16 will reduce, to reach primary speed-down purpose；Driven shaft gear wheel 16 passes through
Key is fixed on the side of driven shaft 15, and driven shaft 15 is fixed setting, in the other side of driven shaft 15 by being keyed driven shaft
Pinion gear 14, so that driven shaft pinion gear 14 and 16 rotating speed having the same of driven shaft gear wheel, driven shaft pinion gear 14
It is engaged with main shaft first gear 11, the number of teeth of setting driven shaft pinion gear 14 is less than main shaft first gear 11, is engaged according to gear
The rotating speed of principle, main shaft first gear 11 will reduce, and achieve the purpose that double reduction.
Main shaft first gear 11 combines gear ring 10 affixed with the gear of main shaft one, and the gear of main shaft one combines gear ring 10 to be tied with the gear of main shaft two
It closes gear ring 7, synchronizer (9), shift fork 8 and forms gearshift, when shift fork 8 is allocated to the right, synchronizer 9 combines gear ring with the gear of main shaft two
7 engagements so that differential shaft 12 has and 6 identical rotating speed of main shaft second gear；When shift fork 8 is allocated to the left side, synchronizer 9 and main shaft
One gear combines gear ring 10 to engage so that differential shaft 12 has and 11 identical rotating speed of main shaft first gear.
Synchronizer 9 is connected to by spline on differential shaft 12, and differential shaft 12 is fixed on the shell of differential mechanism 3, differential mechanism 3
Both ends be respectively equipped with left output shaft 13 and right output shaft 2, for realizing power output.
As shown in Figure 1, in the present embodiment, the inside of setting rotor 4 is cavity structure, and eliminates shaft, in rotor 4
The differential mechanism 3 is provided in cavity structure；
Main shaft second gear 6 is directly fixed on the end face of rotor 4, to realize that motor power is exported by rotor end-face；
Setting differential shaft 12 is 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.
Shaft two of exempting from the present embodiment keeps off variable ratio drive system, and gear working method is according to running car in difference
Operating mode under, stirred to the left by controlling shift fork 8 or shift realized in the operation fluctuated to the right, shift behaviour is carried out using shift fork 8
Work is specially：
When electric vehicle is run under the speed operation close to a gear, synchronizer 9 is stirred to the left by shift fork 8, is made
Synchronizer 9 is obtained to engage in conjunction with gear ring wheel 10 with the gear of main shaft one；Rotor 4 rotates so that the rotation of right driving gear 6, right driving gear 6
It is exported to left driven gear 11 through double reduction, left driven gear 11 drives differential through the gear of main shaft one in conjunction with gear ring 10, synchronizer 9
Axis 12 rotates, and differential shaft 12 drives differential mechanism 3 to rotate, and 3 both ends of differential mechanism are respectively equipped with left output shaft 13, right output shaft 2, completes
Power output；
When electric vehicle is run under the high-speed working condition close to two gears, synchronizer 9 is fluctuated to the right by shift fork 8, is made
Synchronizer 9 is obtained to engage in conjunction with gear ring 7 with the gear of main shaft two；Rotor 4 rotates so that right driving gear 6 rotates, and right driving gear 6 is through master
The gear of axis two drives differential shaft 12 to rotate in conjunction with gear ring 7, synchronizer 9, and differential shaft 12 drives differential mechanism 3 to rotate, 3 both ends of differential mechanism point
Not She You left output shaft 13, right output shaft 2, complete power output.
Claims (2)
1. it is a kind of for electric vehicle exempt from shaft two keep off variable ratio drive system, including shell (1), differential mechanism (3), rotor (4),
Stator (5), synchronizer (9), differential shaft (12), right output shaft (2), left output shaft (13), driven shaft (15), double reduction wheel
System；The double reduction train includes：Main shaft second gear (6), driven shaft gear wheel (16), driven shaft pinion gear (14), master
Axis first gear (11)；
The stator (5) is fixed on the shell (1), and the rotor (4) is internally provided in the stator (5), described turn
Sub (4) end face and the side of the main shaft second gear (6) are affixed, the other side and the main shaft two of the main shaft second gear (6)
Gear be fixed together in conjunction with gear ring (7), the main shaft second gear (6) is engaged with the driven shaft gear wheel (16), it is described from
Moving axis gear wheel (16) is fixed on the side of the driven shaft (15) by key, and the driven shaft (15) is fixed setting, in institute
The other side of driven shaft (15) is stated by being keyed the driven shaft pinion gear (14), the driven shaft pinion gear (14) with it is described
Main shaft first gear (11) engages, and the main shaft first gear (11) combines gear ring (10) affixed with the gear of the main shaft one, described
The gear of main shaft one combines gear ring (10) to form shift machine in conjunction with gear ring (7), the synchronizer (9), shift fork (8) with the gear of the main shaft two
Structure, the synchronizer (9) are connected to by spline on the differential shaft (12), and the differential shaft (12) is fixed on the differential mechanism
(3) on shell, the both ends of the differential mechanism (3) are respectively equipped with the left output shaft (13) and the right output shaft (2), are used for
Realize power output；It is characterized in that：
The inside that the rotor (4) is arranged is cavity structure, and the differential mechanism is provided in the cavity structure of the rotor (4)
(3)；
The main shaft second gear (6) is directly fixed on the end face of the rotor (4), to realize motor power by rotor end-face
Output.
2. the shaft two of exempting from according to claim 1 for electric vehicle keeps off variable ratio drive system, it is characterised in that：Setting
The differential shaft (12) is hollow shaft so that the left output shaft (13) can be arranged in the inside of the differential shaft (12), and with
The 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 CN106427551A (en) | 2017-02-22 |
| CN106427551B true CN106427551B (en) | 2018-08-03 |
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| 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 |
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| CN (1) | CN106427551B (en) |
Families Citing this family (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 |
| 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 | 南京越博动力系统股份有限公司 | A kind of horizontal electric drive axle assembly system of bi-motor and shift control method |
| 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 |
| CN114771242A (en) * | 2022-04-25 | 2022-07-22 | 特百佳动力科技有限公司 | Coaxial electric drive bridge and automobile |
Family Cites Families (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 |
| CN104477029B (en) * | 2014-12-26 | 2016-08-17 | 合肥工业大学 | A kind of power drive system of two grades of electric automobiles |
| CN104930137B (en) * | 2015-05-29 | 2018-07-27 | 精进电动科技股份有限公司 | Automatic transmission |
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2016
- 2016-11-21 CN CN201611021243.9A patent/CN106427551B/en active Active
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| CN106427551A (en) | 2017-02-22 |
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