CN106931092A - A kind of four-speed gear box used for electric vehicle - Google Patents
A kind of four-speed gear box used for electric vehicle Download PDFInfo
- Publication number
- CN106931092A CN106931092A CN201511035447.3A CN201511035447A CN106931092A CN 106931092 A CN106931092 A CN 106931092A CN 201511035447 A CN201511035447 A CN 201511035447A CN 106931092 A CN106931092 A CN 106931092A
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- Prior art keywords
- gear
- selecting component
- speed
- electric vehicle
- output shaft
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- 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
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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
- F16H3/089—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 all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention provides a kind of four-speed gear box used for electric vehicle, and it is mainly used in electric automobile.The speed changer can provide four advance gear ratio, solve the problems, such as only single-stage speed reducing than electric automobile can not take into account driving force and speed.The speed changer includes input shaft, output shaft, the first gear selecting component, the second gear selecting component and four groups of change gear pairs, selects four groups of change gear pair one to transmit motion and moment of torsion by gear selecting component, can obtain four kinds of gear ratio.
Description
Technical field
The present invention relates to automotive transmission technology, more particularly to a kind of four-speed gear box used for electric vehicle.
Background technology
The driving cycle of automobile is complicated and changeable, and running resistance and travel speed change greatly, the clothes when straight road surface is at the uniform velocity advanced
Rolling resistance and frontal resistance are smaller, and grade resistance or acceleration resistance in climb very steep slopes or anxious acceleration are very big, required
Driving force has several times of even more than ten times of gaps, in addition, automobile should to meet special road section even more slow with several kms of speed per hour
Speed is slowly creeped again can be with the even faster speed fast running of speed per hour km more than 100, it is necessary to driving wheel is quite wide in range
The interval operation of rotating speed, and the gasoline engine or diesel engine for being widely used as automobile engine all cannot directly provide such wide in range torsion
Square and rotating speed between engine and driving wheel, it is necessary to seal in automotive transmission extension moment of torsion and rotating speed with multiple speed reducing ratio
The scope power demand changeable to meet Automobile Complex.Automobile dynamic quality and fuel-economy performance are constantly carried to meet user
Requirement high, the gear number of automotive transmission is on the increase, but more gear numbers to cause that automotive transmission has more complicated
Structure, manufacture maintenance cost it is higher.
Single reduction gear more than current electric automobile using only one of which gear ratio is driven, and this is difficult to meet Automobile Complex
Changeable power demand, otherwise climbing capacity is poor, it is slow to raise speed, or even if motor rotating speed is very high, it is impossible to well
Take into account driving force and speed.If electric automobile can not only be obviously improved electronic vapour using the speed changer with multiple gear ratio
The power performance of car, moreover it is possible to reduce to motor, control system, power battery pack requirement, so as to reduce electric automobile
Dynamical system cost.The further efficiency collection of illustrative plates research to motor understands, if electric automobile is using with more gears
The speed changer of number, with the power demand of automobile closer to matching, there is motor output higher to imitate for the moment of torsion and rotating speed of motor
Rate, this is also very meaningful to saving electric energy, extension distance travelled.
Although many gear automotive transmissions matched with gasoline engine or diesel engine technology maturation and have been widely used, its tool
There are the defects such as complex structure, volume are big, weight is big, manufacturing cost is high, and motor has more excellent than gasoline engine and diesel engine
Elegant moment of torsion and rotating speed output characteristics, electric automobile are inappropriate using many gear automotive transmissions of traditional vapour.
Booming electric automobile market needs to be adapted to many speed transmissions of electric automobile, and research and development are adapted to many of electric automobile
Speed transmission accords with the demands of the market.
The content of the invention
Have that three gears, shift quality are high, transmission efficiency it is an object of the invention to provide one kind, it is adaptable to electric automobile
Four-speed gear box used for electric vehicle.
To achieve the above object, the technical scheme taken of the present invention is：A kind of four-speed gear box used for electric vehicle is provided, including：
Input shaft, output shaft, differential mechanism, wherein, four-speed gear box used for electric vehicle also includes that first stud gear pair, second become
Fast gear pair, the 3rd change gear pair, the 4th change gear pair, the first gear selecting component, the second gear selecting component, input shaft with
Output shaft selects first stud gear secondary or the secondary transmission motion of second stud gear and moment of torsion by the first gear selecting component, input shaft
The 3rd change gear pair or the 4th change gear pair is selected to transmit motion and moment of torsion by the second gear selecting component with output shaft.
In some embodiments, the first gear selecting component is arranged on output shaft, the second gear selecting component is arranged on input shaft.
In some embodiments, the first gear selecting component is arranged on output shaft, the second gear selecting component is arranged on output shaft.
In some embodiments, the first gear selecting component is arranged on input shaft, the second gear selecting component is arranged on output shaft.
In some embodiments, the first gear selecting component is arranged on input shaft, the second gear selecting component is arranged on input shaft.
In some embodiments, the preferred synchronizer of gear selecting component.
In some embodiments, output shaft transmits motion and moment of torsion, the second output with differential mechanism by gear (or sprocket wheel)
Axle transmits motion and moment of torsion by gear (or sprocket wheel).
Beneficial effect
By the description of preceding solution, it is understood that the four-speed gear box used for electric vehicle of present invention offer because using above-mentioned
Scheme, can obtain following beneficial effect：
It is simple structure, lightweight；
Structural reliability is high, transmission efficiency；
Four gear ratio can be provided, it is more interval than, wide in range speed change with careful tooth；
Because having more gear numbers and broader slewing range, the rotating speed and torque output of motor and the power of automobile
Demand can preferably press close to matching, not only be obviously improved automobile dynamic quality, also help motor and more efficiently export
Power, this is also very meaningful to saving energy, extension distance travelled.
Brief description of the drawings
Accompanying drawing as herein described is only used for illustrative purpose, it should be understood that illustrate and specific example is only intended to illustrate mesh
, without being intended to limit scope disclosed by the invention.
In the accompanying drawings, identical label as one man represents identical element, component or feature.
Fig. 1 is four-speed gear box structural representation used for electric vehicle according to the preferred embodiment of the invention.
Description of reference numerals：
01st, four-speed gear box used for electric vehicle according to the preferred embodiment of the invention
10th, input shaft
11st, output shaft
20th, Clutch input shaft
21st, clutch
31st, the secondary input gear of first stud gear
32nd, the secondary input gear of second stud gear
33rd, the input gear of the 3rd change gear pair
34th, the input gear of the 4th change gear pair
41st, the secondary output gear of first stud gear
42nd, the secondary output gear of second stud gear
43rd, the output gear of the 3rd change gear pair
44th, the output gear of the 4th change gear pair
50th, differential mechanism
51st, output shaft output gear
52nd, differential gear
61st, the first gear selecting component
62nd, the second gear selecting component
Specific embodiment
To make technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with accompanying drawing and
Preferred embodiment, is described in further detail to the present invention.It should be appreciated that specific embodiments described below is only
Be used to illustrate, explain the present invention, it is substantially only exemplary, rather than be intended for limitation disclosure of the invention, should
With or purposes.
As shown in figure 1, four-speed gear box used for electric vehicle 01 according to the preferred embodiment of the invention, including：Input shaft 10,
Output shaft 11, differential mechanism 50, wherein, four-speed gear box used for electric vehicle 01 also includes first stud gear pair (31 Hes
41), second stud gear pair (32 and 42), the 3rd change gear pair (33 and 43), the 4th change gear pair (34 Hes
44), the first gear selecting component 61, the second gear selecting component 62, input shaft 10 pass through the first gear selecting component 61 with output shaft 11
Selection first stud gear pair (31 and 41) or second stud gear pair (32 and 42) transmission motion and moment of torsion, input shaft
10 select the 3rd change gear pair (33 and 43) or the 4th change gear pair with output shaft 11 by the second gear selecting component 62
(34 and 44) transmission motion and moment of torsion.
Wherein, the first gear selecting component 61 is arranged on output shaft 11, the second gear selecting component 62 is arranged on input shaft 10.
The secondary input gear 31 of first stud gear is arranged on input shaft 10 and couples with input shaft 10, the second gear teeth
The input gear 32 of wheel set is arranged on input shaft 10 and couples with input shaft 10, the output gear of the 3rd change gear pair
33 are arranged on output shaft 11 and couple with output shaft 11, and the output gear 34 of the 4th change gear pair is arranged in output shaft
Couple on 11 and with output shaft 11.
The secondary output gear 41 of first stud gear is enclosed within output shaft 11 and can be with the first choosing being arranged on output shaft 11
Shelves component 61 is coupled transmission motion and moment of torsion or disconnects and is coupled, and the secondary output gear 42 of second stud gear is enclosed within output shaft
Transmission motion and moment of torsion can be coupled on 11 and with the first gear selecting component 61 being arranged on output shaft 11 or connection, the is disconnected
The input gear 33 of three change gear pairs is enclosed within input shaft 10 and can be with the second gear selecting component being arranged on input shaft 10
62 are coupled transmission motion and moment of torsion or disconnection is coupled, and the input gear 34 of the 4th change gear pair is enclosed within input shaft 10 simultaneously
Transmission motion and moment of torsion can be coupled with the second gear selecting component 62 being arranged on input shaft 10 or disconnected and be coupled.
First gear selecting component 61 is arranged on output shaft 11 and couples with output shaft 11, and the second gear selecting component 62 is arranged in defeated
Enter on axle 10 and couple with input shaft 10.
Wherein, output shaft 11 transmits motion and moment of torsion with differential mechanism 50 by gear (51 and 52).
Gear selecting component 61 or 62 makes drive disk assembly be coupled the device for transmitting motion and moment of torsion, such as synchronizer two-by-two for a kind of,
The preferred synchronizer of four-speed gear box used for electric vehicle according to the preferred embodiment of the invention 01 is used as gear selecting component.
In four-speed gear box used for electric vehicle of the invention, output shaft 11 also can be by chain wheel assembly with differential mechanism 50
Transmission motion and moment of torsion, the preferred gear drive of four-speed gear box used for electric vehicle according to the preferred embodiment of the invention 01.
To more fully understand four-speed gear box used for electric vehicle 01 according to the preferred embodiment of the invention, below to the embodiment
In four-speed gear box used for electric vehicle 01 the motion of each shelves and the transfer route of moment of torsion be described in detail：
First grade of motion and moment of torsion transfer route：
First gear selecting component 61 output gear 41 secondary with first stud gear is coupled transmission motion and moment of torsion, the second gear teeth
The output gear 42 of wheel set disconnects with the first gear selecting component 61 and being coupled, the input gear 33 and second of the 3rd change gear pair
Gear selecting component 62 disconnects and being coupled, and the input gear 34 of the 4th change gear pair disconnects with the second gear selecting component 62 and being coupled.
Motion and moment of torsion are input into from Clutch input shaft 20, input shaft 10 are passed to through clutch 21, through the first gear teeth
The input gear 31 of the wheel set output gear 41 secondary with first stud gear is engaged and is transferred to the first gear selecting component 61, then is led to
Cross the first gear selecting component 61 and pass to output shaft 11, engaged with differential gear 53 through output shaft output gear 51 and passed to
Differential mechanism 50.
The motion of second gear and moment of torsion transfer route：
First gear selecting component 61 disconnects with the secondary output gear 41 of first stud gear and being coupled, the secondary output of second stud gear
Gear 42 is coupled transmission motion and moment of torsion, the input gear 33 and second of the 3rd change gear pair with the first gear selecting component 61
Gear selecting component 62 disconnects and being coupled, and the input gear 34 of the 4th change gear pair disconnects with the second gear selecting component 62 and being coupled.
Motion and moment of torsion are input into from Clutch input shaft 20, input shaft 10 are passed to through clutch 21, through the second gear teeth
The input gear 32 of the wheel set output gear 42 secondary with second stud gear is engaged and is transferred to the first gear selecting component 61, then is led to
Cross the first gear selecting component 61 and pass to output shaft 11, engaged with differential gear 53 through output shaft output gear 51 and passed to
Differential mechanism 50.
The motion of third gear and moment of torsion transfer route：
First gear selecting component 61 disconnects with the secondary output gear 41 of first stud gear and being coupled, the secondary output of second stud gear
Gear 42 disconnects with the first gear selecting component 61 and being coupled, the gear selecting component 62 of input gear 33 and second of the 3rd change gear pair
It is coupled transmission motion and moment of torsion, the input gear 34 of the 4th change gear pair disconnects with the second gear selecting component 62 and being coupled.
Motion and moment of torsion are input into from Clutch input shaft 20, input shaft 10 are passed to through clutch 21, through the second gear selecting group
Part 62 passes to the input gear 33 of the 3rd change gear pair, by the input gear 33 and the 3rd of the 3rd change gear pair
The output gear 44 of change gear pair is engaged and for motion and moment of torsion to pass to output shaft 11, then through output shaft output gear 51
Engaged with differential gear 53 and pass to differential mechanism 50.
The motion of fourth speed and moment of torsion transfer route：
First gear selecting component 61 disconnects with the secondary output gear 41 of first stud gear and being coupled, the secondary output of second stud gear
Gear 42 disconnects with the first gear selecting component 61 and being coupled, the gear selecting component 62 of input gear 33 and second of the 3rd change gear pair
Disconnect and being coupled, the input gear 34 of the 4th change gear pair is coupled transmission motion and moment of torsion with the second gear selecting component 62.
Motion and moment of torsion are input into from Clutch input shaft 20, input shaft 10 are passed to through clutch 21, through the second gear selecting group
Part 62 passes to the input gear 34 of the 4th change gear pair, by the input gear 34 and the 4th of the 4th change gear pair
The output gear 44 of change gear pair is engaged and for motion and moment of torsion to pass to output shaft 11, then through output shaft output gear 51
Engaged with differential gear 53 and pass to differential mechanism 50.
It can be appreciated that the first gear selecting component 61 is arranged on input shaft, the second gear selecting component 62 is arranged on output shaft,
First gear selecting component 61 is arranged on input shaft, the second gear selecting component 62 also is disposed on input shaft, by the first gear selecting group
Part 61 is arranged on output shaft, the second gear selecting component 62 also is disposed on output shaft, the substantially no difference of this several scheme,
Simply more more flexible schemes.
This is appreciated that the description more than present invention is only exemplary, and also belongs to without departing from essential variant of the invention
In in the scope of the present invention.This variant is not regarded as a departure from the spirit and scope of the invention.
Claims (7)
1. a kind of four-speed gear box used for electric vehicle, including：Input shaft, output shaft, differential mechanism, it is characterised in that
The four-speed gear box used for electric vehicle also includes secondary first stud gear, second stud gear pair, the 3rd
Change gear pair, the 4th change gear pair, the first gear selecting component, the second gear selecting component, input shaft with it is defeated
Shaft select first stud gear secondary by the first gear selecting component or the secondary transmission motion of second stud gear and
Moment of torsion, input shaft selects the 3rd change gear pair or the 4th gear teeth with output shaft by the second gear selecting component
Wheel set transmission motion and moment of torsion.
2. four-speed gear box used for electric vehicle according to claim 1, it is characterised in that the first gear selecting component
It is arranged on output shaft, the second gear selecting component is arranged on input shaft.
3. four-speed gear box used for electric vehicle according to claim 1, it is characterised in that the first gear selecting component
It is arranged on output shaft, the second gear selecting component is arranged on output shaft.
4. four-speed gear box used for electric vehicle according to claim 1, it is characterised in that the first gear selecting component
It is arranged on input shaft, the second gear selecting component is arranged on output shaft.
5. four-speed gear box used for electric vehicle according to claim 1, it is characterised in that the first gear selecting component
It is arranged on input shaft, the second gear selecting component is arranged on input shaft.
6. according to any described four-speed gear box used for electric vehicle in claim 1 to 5, it is characterised in that choosing
The shelves preferred synchronizer of component.
7. according to any described four-speed gear box used for electric vehicle in claim 1 to 6, it is characterised in that defeated
Shaft and differential mechanism transmit motion by gear (or sprocket wheel) and moment of torsion, the second output shaft pass through gear (or
Sprocket wheel) transmit motion and moment of torsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035447.3A CN106931092A (en) | 2015-12-31 | 2015-12-31 | A kind of four-speed gear box used for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035447.3A CN106931092A (en) | 2015-12-31 | 2015-12-31 | A kind of four-speed gear box used for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106931092A true CN106931092A (en) | 2017-07-07 |
Family
ID=59443723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511035447.3A Pending CN106931092A (en) | 2015-12-31 | 2015-12-31 | A kind of four-speed gear box used for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106931092A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2890416B2 (en) * | 1988-08-31 | 1999-05-17 | スズキ株式会社 | Synchronous meshing device for gear transmission |
| CN2631819Y (en) * | 2003-07-22 | 2004-08-11 | 辽阳大乘新华齿轮有限责任公司 | Fourth-gear vehicle speed transmission |
| CN102840281A (en) * | 2012-09-18 | 2012-12-26 | 清华大学 | Synchronizer-free gear shifting system for input shaft speed regulation for electric automobile |
| CN203395112U (en) * | 2013-08-13 | 2014-01-15 | 上海中科深江电动车辆有限公司 | Automatic four-gear transmission structure of electric automobile |
| CN103552448A (en) * | 2013-11-06 | 2014-02-05 | 聊城清科汽车电控有限公司 | Motor and AMT (automated mechanical transmission) integration-based electric vehicle driving system and driving method |
-
2015
- 2015-12-31 CN CN201511035447.3A patent/CN106931092A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2890416B2 (en) * | 1988-08-31 | 1999-05-17 | スズキ株式会社 | Synchronous meshing device for gear transmission |
| CN2631819Y (en) * | 2003-07-22 | 2004-08-11 | 辽阳大乘新华齿轮有限责任公司 | Fourth-gear vehicle speed transmission |
| CN102840281A (en) * | 2012-09-18 | 2012-12-26 | 清华大学 | Synchronizer-free gear shifting system for input shaft speed regulation for electric automobile |
| CN203395112U (en) * | 2013-08-13 | 2014-01-15 | 上海中科深江电动车辆有限公司 | Automatic four-gear transmission structure of electric automobile |
| CN103552448A (en) * | 2013-11-06 | 2014-02-05 | 聊城清科汽车电控有限公司 | Motor and AMT (automated mechanical transmission) integration-based electric vehicle driving system and driving method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170707 |
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| WD01 | Invention patent application deemed withdrawn after publication |