CN106122388B - A kind of two grades of fluid drive electric vehicle speed reducers of dual input - Google Patents
A kind of two grades of fluid drive electric vehicle speed reducers of dual input Download PDFInfo
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- CN106122388B CN106122388B CN201610800238.1A CN201610800238A CN106122388B CN 106122388 B CN106122388 B CN 106122388B CN 201610800238 A CN201610800238 A CN 201610800238A CN 106122388 B CN106122388 B CN 106122388B
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- gear
- synchronizer
- idle pulley
- jackshaft
- low
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of two grades of fluid drive electric vehicle speed reducers of dual input, the first bootom gear and the first input shaft of the first high speed gear, the second input shaft of the second bootom gear equipped with synchronous rotation and the second high speed gear, jackshaft and retarder electric controller including being equipped with synchronous rotation；First top gear idle pulley, the second top gear idle pulley, the first low or first gear idle pulley and the second low or first gear idle pulley are the duplicate gear that empty set relatively rotates on jackshaft and with jackshaft；First synchronizer, the second synchronizer are rotated synchronously with jackshaft, and are not fixed along the axial direction of jackshaft；Output gear is fixed on jackshaft and rotates synchronously with jackshaft；The gear in idle pulley big end and the first, second input shaft on jackshaft cooperates；Retarder electric controller is connected with the first synchronizer, the second synchronizer.Power will not interrupt in entire gearshift procedure, ensure that the ride comfort of gearshift procedure for vehicles operation, improve the comfort of driving.
Description
Technical field
The present invention relates to retarder technical fields, subtract more particularly to a kind of two grades of fluid drive electric cars of dual input
Fast device.
Background technique
The environment and economic problems got worse promotes urban transportation to develop towards cleaning, efficient and sustainable direction, together
When also promote promotion and application of the new energy traffic technique in industry and commercial off roader.Pure electric automobile is zero-emission
Vehicle is put, problem of environmental pollution can be efficiently inhibited.
The usual matched speed changer of electric car is the self-shifting gear box (AMT) of single motor driving, and motor can be into
Row downshift revolving speed matching, when driver's downshift, AMT is disconnected automatically into neutral gear, subsequent motor, and electric machine controller can root therebetween
Motor speed when calculating low-grade according to current vehicle speed, is adjusted to corresponding revolving speed for motor, then AMT is linked into low grade.Entirely change
The phenomenon that shelves process is smoothly genial, does not thrust and accelerates suddenly.But this scheme has the shortcomings that very big is exactly entire gear shift
Power can interrupt in the process.
Summary of the invention
The object of the present invention is to provide a kind of two grades of fluid drive electric vehicle speed reducers of dual input, in gearshift procedure
Power will not interrupt, to ensure that the ride comfort of gearshift procedure vehicle operation, improve the comfort of driving.
To achieve the above object, the present invention provides following schemes:
A kind of two grades of fluid drive electric vehicle speed reducers of dual input, including the first input shaft, the second input shaft, centre
Axis and retarder electric controller, first input shaft, second input shaft are parallel with the jackshaft；First input shaft
It is equipped with the first bootom gear and the first high speed gear of synchronous rotation, the first bootom gear nominal diameter
Less than first high speed gear nominal diameter；Second input shaft is equipped with the second low or first gear tooth of synchronous rotation
Wheel and the second high speed gear, the second bootom gear engineering diameter are less than second high speed gear nominal diameter；
The jackshaft be equipped with the first top gear idle pulley, the second top gear idle pulley, the first low or first gear idle pulley, the second low or first gear idle pulley,
First synchronizer, the second synchronizer and output gear；The first top gear idle pulley, the second top gear idle pulley, described
One low or first gear idle pulley and the second low or first gear idle pulley are that empty set relatively rotates on the jackshaft and with the jackshaft
Duplicate gear；First synchronizer, second synchronizer are rotated synchronously with the jackshaft, and along the axis of the jackshaft
To being not fixed；The output gear is rotated synchronously with the jackshaft；The first top gear idle pulley big end and described first high
Fast shelves gear cooperation, the first low or first gear idle pulley big end and first bootom gear cooperate, and second top gear is lazy
It takes turns big end and second high speed gear cooperates, the second low or first gear idle pulley big end is matched with second bootom gear
It closes；First synchronizer is adjacent with the first top gear idle pulley small end, the first low or first gear idle pulley small end, and described second is synchronous
Device is adjacent with the second top gear idle pulley small end, the second low or first gear idle pulley small end；The retarder electric controller and described first
Synchronizer, second synchronizer are connected.
Further, first input shaft and the second input shaft coaxial line.
Further, first synchronizer and second synchronizer are double-cone synchronizer.
Further, the output gear is connected by driven gear with differential mechanism.
Further, first input shaft is connected with the first driving motor, second input shaft and the second driving electricity
Machine is connected.
Further, the retarder electric controller is connected with first driving motor, the second driving motor.
Further, first synchronizer and second synchronizer are equipped with tooth set.
Further, when the retarder is in neutral gear, first synchronizer and second synchronizer and adjacent
Gear is mismatched.
Further, when the retarder is in one grade or two grades, only one driving motor is in running order, works as institute
Tooth set and adjacent the first top gear idle pulley small end when stating the work of the first driving motor, on first synchronizer
Or the first low or first gear idle pulley small end cooperation, second synchronizer idle running, when second driving motor work, described second
Tooth set on synchronizer cooperates with adjacent the second top gear idle pulley small end or the second low or first gear idle pulley small end, described
The idle running of first synchronizer.
Further, described in idling conditions under the retarder electric controller control when retarder gear shift
Synchronizer is moved along the jackshaft, and with adjacent idle pulley toe contact, the corresponding driving motor in off position turns
It is in working condition；Another retarder is moved along the jackshaft to separate with adjacent idle pulley small end, is in work accordingly
The driving motor for making state switchs to off position.
The present invention achieves following technical effect compared with the existing technology:
1. double because dual input fluid drive electric vehicle speed reducer is manipulated according to the principle of power shift
It inputs fluid drive electric vehicle speed reducer and power interruption is not present in gear shift work, so not slowing down significantly when gear shift
It generates, and shortens shift time, greatly improve gear shift comfort, vehicle oil consumption and discharge etc. are also changed
It is kind.
2. since dual input fluid drive electric vehicle speed reducer is carried out certainly on the basis of original traditional manual transmission
Dynamicization, to reach complicated rotary shaft planetary gear type automatic transmission with the simple parallel-axis type structure of structure
Effect, structure is more compact, because having maximally utilised the resource of MT, it is possible to reduction by a relatively large margin manufacture at
This, makes its cost lower than AT, the automatic transmission such as CVT.
3. dual input fluid drive electric vehicle speed reducer structure of the invention is simple, easy to process.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that a kind of two grades of fluid drive electric vehicle speed reducer power transmission lines of dual input of the embodiment of the present invention show
It is intended to；
Description of symbols: the first driving motor of 1-, the first input shaft of 2-, the first high speed gear of 3-, the first low speed of 4-
Shelves gear, the second bootom gear of 5-, the second high speed gear of 6-, the second input shaft of 7-, the second driving motor of 8-, among 9-
Axis, 10- the first top gear idle pulley big end, 11- the first top gear idle pulley small end, the first synchronizer of 12-, the first low or first gear of 13- are lazy
Take turns small end, 14- the first low or first gear idle pulley big end, 15- output gear, the main deceleration driven gear of 16-, 17- the second low or first gear idle pulley
Big end, 18- the second low or first gear idle pulley small end, the second synchronizer of 19-, 20- the second top gear idle pulley small end, the second top gear of 21-
Idle pulley big end, 22- semiaxis, 23- differential mechanism.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of two grades of fluid drive electric vehicle speed reducers of dual input.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input as shown in Figure 1, including the first input shaft 2, second
7 two input shafts of input shaft, jackshaft 9 and retarder electric controller.7 coaxial line of first input shaft 2 and the second input shaft；First is defeated
Enter first high speed gear 3 and first bootom gear 4 of the axis 2 equipped with synchronous rotation, 4 nominal of the first bootom gear
Diameter is less than 3 nominal diameter of the first high speed gear；Second input shaft 7 is equipped with the second bootom gear of synchronous rotation
5 and second high speed gear 6,5 engineering diameter of the second bootom gear is less than 6 nominal diameter of the second high speed gear；First drives
Dynamic motor 1, the second driving motor 8 are respectively the first input shaft 2, the second input shaft 7 offer power.
Jackshaft 9 be installed with the first synchronizer 12, the second synchronizer 19, the first top gear idle pulley, the second top gear idle pulley,
First low or first gear idle pulley, the second low or first gear idle pulley and the output gear 15 for transmitting torque；First synchronizer 12 and the first high speed
Shelves idle pulley small end 11, the first low or first gear idle pulley small end 13 are adjacent, the second synchronizer 19 and the second low or first gear idle pulley small end 18, second
Top gear idle pulley small end 20 is adjacent；First top gear idle pulley, the second top gear idle pulley, the first low or first gear idle pulley and the second low or first gear
Idle pulley is the duplicate gear that empty set relatively rotates on jackshaft 9 and with jackshaft 9；First synchronizer 12, the second synchronizer 19
It rotates synchronously with jackshaft 9, and is not fixed along the axial direction of jackshaft 9；First top gear idle pulley big end 10 and the first top gear tooth
3 cooperation of wheel, the first low or first gear idle pulley big end 14 and the first bootom gear 4 cooperate, the second top gear idle pulley big end 21 and second
High speed gear 6 cooperates, and the second low or first gear idle pulley big end 17 and the second bootom gear 5 cooperate；First synchronizer 12, second is same
Device 19 is walked to be double-cone synchronizer and be equipped with tooth set；Output gear 15 is rotated synchronously with jackshaft 9, and passes through driven gear and differential
Device 23 is connected.
Driven gear 16 is installed on differential mechanism 23 and is divided into two semiaxis 22 of 23 two sides of differential mechanism, driven gear 16
It is engaged with output gear 15, by being divided into 22 output power of semiaxis of 23 two sides of differential mechanism, differential mechanism 23 is used as torque output.
Retarder electric controller and the first driving motor 1, the second driving motor 8, first synchronous 12 and 19 phase of the second synchronizer
Even.
Embodiment 1,
A kind of two grades of fluid drive electric vehicle speed reducer neutral gear power transmission lines of dual input: when retarder electric controller control
Make the first driving motor 1 output power pass to the first input shaft 2 after, through the first high speed gear 3 and the first low or first gear tooth
Wheel 4 transmits power by intermeshing with the first top gear idle gear big end 10 and the first low or first gear idle gear big end 14 respectively,
When the tooth set of the first synchronizer 12 is in middle position, cut off from the first high speed gear 3 and the first bootom gear 4
Power, while retarder electric controller control the second driving motor 8 do not work, jackshaft 9 does not rotate at this time, and retarder is in sky
Shelves, power cannot export.
Embodiment 2,
A kind of two grades of fluid drive electric vehicle speed reducer top gear power transmission lines of dual input: retarder electric controller control
Make the first driving motor 1 output power pass to the first input shaft 2 after, retarder electric controller control stir the first synchronizer 12
Tooth cover when moving to reach the first top gear idle gear small end 11 toward left direction, synchronizer gear sleeve and the lazy tooth of the first top gear at this time
Wheel small end 11 connects firmly, and the power engaged through the first high speed gear 3 with the first top gear idle gear big end 10 is transmitted to output gear
Wheel 15, output gear 15 are nibbled merga pass differential mechanism 23 power transmitting semiaxis 22 with main deceleration driven gear 16 and are exported, this
When the second driving motor 8 do not work.
Or for retarder electric controller control the second driving motor 8 output power pass to the second input shaft 7 after, retarder
Electric controller control stir the second synchronizer 19 tooth cover toward right direction move to reach the second top gear idle gear small end 20 when, at this time
Synchronizer gear sleeve is connected firmly with the second top gear idle gear small end 20, big through the second high speed gear 6 and the second top gear idle gear
The power of 21 engagement of end is transmitted to output gear 15, and output gear 15 and main deceleration driven gear 16 nibble merga pass differential mechanism 23
Power is transmitted semiaxis 22 and is exported, the second driving motor 1 does not work at this time.
Embodiment 3,
A kind of two grades of fluid drive electric vehicle speed reducer low or first gear power transmission lines of dual input: retarder electric controller control
Make the first driving motor 1 output power pass to input shaft 2 after, retarder electric controller, which controls, stirs the tooth of the first synchronizer 12
Cover toward right direction move to reach the first low or first gear idle gear small end 13 when, synchronizer gear sleeve and the first low or first gear idle gear are small at this time
End 13 connects firmly, and the power engaged through the first bootom gear 4 with the first low or first gear idle gear big end 14 is transmitted to output gear 15,
Output gear 15 and main deceleration driven gear 16 nibble merga pass differential mechanism 23 and power are transmitted semiaxis 22 and is exported, and at this time second
Driving motor 8 does not work.
Or for retarder electric controller control the second driving motor 8 output power pass to the second input shaft 7 after, retarder
Electric controller control stir the second synchronizer 19 tooth cover toward left direction move to reach the second low or first gear idle gear small end 18 when, at this time
Synchronizer gear sleeve is connected firmly with the second low or first gear idle gear small end 18, big through the second bootom gear 5 and the second low or first gear idle gear
The power of 17 engagement of end is transmitted to output gear 15, and output gear 15 and main deceleration driven gear 16 nibble merga pass differential mechanism 23
Power is transmitted semiaxis 22 and is exported, the second driving motor 1 does not work at this time.
Embodiment 4,
In vehicle travel process, two grades are changed to by one grade: at this time since the tooth set of the first synchronizer 12 is in the right, tooth
Set is needed by low speed → process of neutral gear → high speed three, therefore the problem of vehicle there is power interruption, and at this time second together
The tooth set for walking device 19 is in central idle position, this synchronizer shift process is two processes of neutral gear → high speed；In order to guarantee to move
Power is not interrupted, and retarder electric controller issues the output power that signal controls the second driving motor 8, after passing to input shaft 7, together
When retarder electric controller issue signal and control the first synchronizer 12 and the linkage of the second synchronizer 19, while stirring the first synchronizer 12
The tooth that tooth is covered toward left direction and the second synchronizer 19 is covered toward right direction movement, significantly reduction shift time, at this time when second is synchronous
When the tooth set of device 19 reaches high speed position, the tooth set of the second synchronizer 19 is connected firmly with the second top gear idle gear small end 20, through the
The power that two high speed gears 6 engage with the first top gear idle gear big end 21 is transmitted to output gear 15, output gear 15 with
Main deceleration driven gear 16 nibbles merga pass differential mechanism 23 and power is transmitted semiaxis 22 and is exported, and stirs 12 tooth of the first synchronizer
It covers toward left direction while reaching central idle position, retarder electric controller issues signal and controls the first driving motor 1 not work at this time
Make.
Embodiment 5,
In vehicle travel process, one grade is changed to by two grades: at this time since the tooth set of the second synchronizer 19 is in the right, tooth
Set is needed by low speed → process of neutral gear → high speed three, and vehicle has a power interruption, and the first synchronizer 12 at this time
Tooth set be in central idle position, this synchronizer shift process be two processes of neutral gear → high speed；In guaranteeing power not
Disconnected, the output power that retarder electric controller issues signal the second driving motor 1 of control is slowed down simultaneously after passing to input shaft 2
Device electric controller issue signal control the first synchronizer 12 and the second synchronizer 19 linkage, while stir 12 tooth of the first synchronizer cover it is past
The tooth of right direction and the second synchronizer 19 is covered toward left direction movement, significantly reduction shift time, at this time when the first synchronizer 12
When tooth set reaches high speed position, the tooth set of the first synchronizer 12 is connected firmly with the first low or first gear idle gear small end 13, through the first low speed
The power that shelves gear 4 is engaged with the first low or first gear idle gear big end 14 is transmitted to output gear 15, output gear 15 and main deceleration
Driven gear 16 nibbles merga pass differential mechanism 23 and power is transmitted semiaxis 22 and is exported, and stirs 19 tooth set of the second synchronizer and turn left
Direction reaches central idle position simultaneously, and retarder electric controller issues signal the first driving motor 2 of control and do not work at this time.
The present invention has an input shaft power source providing power, power in entire gearshift procedure always in gearshift procedure
It will not interrupt, ensure that the ride comfort of gearshift procedure for vehicles operation, improve the comfort of driving.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (4)
1. a kind of two grades of fluid drive electric vehicle speed reducers of dual input, which is characterized in that including the first input shaft, second defeated
Enter axis, jackshaft and retarder electric controller, first input shaft, second input shaft are parallel with the jackshaft；It is described
First input shaft is equipped with the first bootom gear and the first high speed gear of synchronous rotation, the first low or first gear tooth
It takes turns nominal diameter and is less than first high speed gear nominal diameter；Second input shaft is equipped with the of synchronous rotation
Two bootom gears and the second high speed gear, the second bootom gear engineering diameter are less than second high speed gear
Nominal diameter；The jackshaft is equipped with the first top gear idle pulley, the second top gear idle pulley, the first low or first gear idle pulley, second low
Fast shelves idle pulley, the first synchronizer, the second synchronizer and output gear；The first top gear idle pulley, second top gear are lazy
Wheel, the first low or first gear idle pulley and the second low or first gear idle pulley be empty set on the jackshaft and with the jackshaft phase
To the duplicate gear of rotation；First synchronizer, second synchronizer are rotated synchronously with the jackshaft, and in described
Between the axial direction of axis be not fixed；The output gear is rotated synchronously with the jackshaft；The first top gear idle pulley big end and institute
The cooperation of the first high speed gear is stated, the first low or first gear idle pulley big end and first bootom gear cooperate, and described second
Top gear idle pulley big end and second high speed gear cooperate, the second low or first gear idle pulley big end and second low or first gear
Gear cooperation；First synchronizer is adjacent with the first top gear idle pulley small end, the first low or first gear idle pulley small end, and described
Two synchronizers are adjacent with the second top gear idle pulley small end, the second low or first gear idle pulley small end；The retarder electric controller and institute
State the first synchronizer, second synchronizer is connected；
First input shaft is connected with the first driving motor, and second input shaft is connected with the second driving motor；
The retarder electric controller is connected with first driving motor, the second driving motor；
First synchronizer and second synchronizer are equipped with tooth set；
When the retarder is in neutral gear, first synchronizer and second synchronizer are mismatched with adjacent gear；
When the retarder is in one grade or two grades, only one driving motor is in running order, when the first driving electricity
Tooth set and adjacent the first top gear idle pulley small end or the first low or first gear when machine works, on first synchronizer
The cooperation of idle pulley small end, the second synchronizer idle running, the institute when second driving motor work, on second synchronizer
It states tooth set to cooperate with adjacent the second top gear idle pulley small end or the second low or first gear idle pulley small end, first synchronizer is empty
Turn；
When the retarder gear shift, under retarder electric controller control, the synchronizer in idling conditions is described in
Jackshaft is mobile, and with adjacent idle pulley toe contact, the corresponding driving motor in off position switchs to working condition；Separately
One retarder is moved along the jackshaft to separate with adjacent idle pulley small end, corresponding in running order driving electricity
Machine switchs to off position.
2. a kind of two grades of fluid drive electric vehicle speed reducers of dual input according to claim 1, which is characterized in that institute
State the first input shaft and the second input shaft coaxial line.
3. a kind of two grades of fluid drive electric vehicle speed reducers of dual input according to claim 1, which is characterized in that institute
It states the first synchronizer and second synchronizer is double-cone synchronizer.
4. a kind of two grades of fluid drive electric vehicle speed reducers of dual input according to claim 1, which is characterized in that institute
Output gear is stated to be connected by driven gear with differential mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610800238.1A CN106122388B (en) | 2016-08-31 | 2016-08-31 | A kind of two grades of fluid drive electric vehicle speed reducers of dual input |
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| CN201610800238.1A CN106122388B (en) | 2016-08-31 | 2016-08-31 | A kind of two grades of fluid drive electric vehicle speed reducers of dual input |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106438869B (en) * | 2016-11-21 | 2018-08-28 | 聊城大学 | A kind of process for gear of dual input list output power-interruption free coupler |
| CN106763554B (en) * | 2017-02-08 | 2017-11-28 | 南京越博动力系统股份有限公司 | A kind of method that horizontal pure electrical drive power system of automobile-used twin shaft carries out speed change |
| CN109606094A (en) * | 2018-11-19 | 2019-04-12 | 江苏大学 | A kind of double-motor hybrid drive system and its control method |
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| CN201573540U (en) * | 2009-11-30 | 2010-09-08 | 中国重汽集团济南动力有限公司 | Double speed ratio drive axle for heavy truck |
| CN202753775U (en) * | 2012-07-20 | 2013-02-27 | 韶关飞翔自动变速箱有限公司 | Two-gear integrated automated mechanical transmission (AMT) gearbox for electric vehicle |
| CN204323058U (en) * | 2014-09-10 | 2015-05-13 | 比亚迪股份有限公司 | For vehicle power drive system and there is the vehicle of this power drive system |
| CN206017591U (en) * | 2016-08-31 | 2017-03-15 | 赣州五环机器有限责任公司 | A kind of two grades of fluid drive electric vehicle speed reducers of dual input |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5287576B2 (en) * | 2009-07-30 | 2013-09-11 | トヨタ自動車株式会社 | Vehicle drive device |
| JP6193092B2 (en) * | 2013-10-30 | 2017-09-06 | 株式会社ユニバンス | Power transmission device |
| US9592732B2 (en) * | 2014-09-19 | 2017-03-14 | Arcimoto, Inc. | Vehicle powertrain with dual-independent transmissions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201573540U (en) * | 2009-11-30 | 2010-09-08 | 中国重汽集团济南动力有限公司 | Double speed ratio drive axle for heavy truck |
| CN202753775U (en) * | 2012-07-20 | 2013-02-27 | 韶关飞翔自动变速箱有限公司 | Two-gear integrated automated mechanical transmission (AMT) gearbox for electric vehicle |
| CN204323058U (en) * | 2014-09-10 | 2015-05-13 | 比亚迪股份有限公司 | For vehicle power drive system and there is the vehicle of this power drive system |
| CN206017591U (en) * | 2016-08-31 | 2017-03-15 | 赣州五环机器有限责任公司 | A kind of two grades of fluid drive electric vehicle speed reducers of dual input |
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| CN106122388A (en) | 2016-11-16 |
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