CN106122388A - 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
- Publication number
- CN106122388A CN106122388A CN201610800238.1A CN201610800238A CN106122388A CN 106122388 A CN106122388 A CN 106122388A CN 201610800238 A CN201610800238 A CN 201610800238A CN 106122388 A CN106122388 A CN 106122388A
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- Prior art keywords
- gear
- idle pulley
- lock unit
- 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
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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
- F16H3/12—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
Abstract
The invention discloses two grades of fluid drive electric vehicle speed reducers of a kind of dual input, including the first power shaft of the first bootom gear and the first high speed gear being provided with synchronous rotation, the second bootom gear being provided with synchronous rotation and the second power shaft of the second high speed gear, jackshaft and decelerator electric controller；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 be empty set on jackshaft and with jackshaft duplicate gear in relative rotation；First lock unit, the second lock unit are with jackshaft synchronous axial system, and axially not fixing along jackshaft；Output gear is fixed on jackshaft with jackshaft synchronous axial system；Gear on the big end of idle pulley being positioned on jackshaft and first, second power shaft coordinates；Decelerator electric controller and the first lock unit, the second lock unit are connected.Whole gearshift procedure medium power will not interrupt, it is ensured that the ride comfort that gearshift procedure for vehicles runs, and improves the comfortableness driven.
Description
Technical field
The present invention relates to decelerator technical field, the two grades of fluid drive electric automobiles particularly relating to a kind of dual input subtract
Speed device.
Background technology
The most serious environment and economic problems promote urban transportation to develop towards cleaning, efficient and sustainable direction, with
Time also promote the promotion and application in industry and commercial off roader of the new forms of energy traffic technique.Pure electric automobile is zero-emission
Put vehicle, problem of environmental pollution can be suppressed efficiently.
The generally variator of electric automobile coupling is single motor-driven self-shifting gear box (AMT), and motor can enter
Row downshift rotating speed coupling, when driver downshifts, AMT, automatically into neutral gear, disconnects with rear motor, and electric machine controller can root therebetween
Motor speed when calculating low-grade according to current vehicle speed, is adjusted to corresponding rotating speed by motor, and then AMT is linked into low grade.Whole change
Shelves process smooths genial, the phenomenon do not thrusted and accelerate suddenly.But this scheme has a biggest shortcoming to be exactly whole gear shift
During power can interrupt.
Summary of the invention
It is an object of the invention to provide two grades of fluid drive electric vehicle speed reducers of a kind of dual input, in gearshift procedure
Power will not interrupt, thus ensure that the ride comfort that gearshift procedure vehicle runs, and improves the comfortableness of driving.
For achieving the above object, the invention provides following scheme:
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input, including the first power shaft, the second power shaft, centre
Axle and decelerator electric controller, described first power shaft, described second power shaft are parallel with described jackshaft；Described first power shaft
It is provided with the first bootom gear and first high speed gear of synchronous rotation, described first bootom gear nominal diameter
Less than described first high speed gear's nominal diameter；Described second power shaft is provided with the second low or first gear tooth of synchronous rotation
Wheel and the second high speed gear, described second bootom gear engineering diameter is less than described second high speed gear's nominal diameter；
Described jackshaft be provided 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 lock unit, the second lock unit and output gear；Described first top gear idle pulley, described second top gear idle pulley, described
One low or first gear idle pulley and described second low or first gear idle pulley be empty set on described jackshaft and with described jackshaft in relative rotation
Duplicate gear；Described first lock unit, described second lock unit are with described jackshaft synchronous axial system, and along the axle of described jackshaft
To not fixing；Described output gear is with described jackshaft synchronous axial system；The described first big end of top gear idle pulley is high with described first
Speed shelves gear coordinates, and the described first big end of low or first gear idle pulley coordinates with described first bootom gear, and described second top gear is lazy
The big end of wheel coordinates with described second high speed gear, and the described second big end of low or first gear idle pulley is joined with described second bootom gear
Close；Described first lock unit and described first top gear idle pulley small end, the first low or first gear idle pulley small end are adjacent, and described second synchronizes
Device and described second top gear idle pulley small end, the second low or first gear idle pulley small end are adjacent；Described decelerator electric controller and described first
Lock unit, described second lock unit are connected.
Further, described first power shaft and described second power shaft coaxial line.
Further, described first lock unit and described second lock unit are double-cone synchronizer.
Further, described output gear is connected with differential mechanism by driven gear.
Further, described first power shaft and first drives motor to be connected, and described second power shaft and second drives electricity
Machine is connected.
Further, described decelerator electric controller drives motor, the second driving motor to be connected with described first.
Further, described first lock unit and described second lock unit are provided with tooth set.
Further, when described decelerator is in neutral gear, described first lock unit and described second lock unit are with adjacent
Gear is all mismatched.
Further, when described decelerator is in one grade or two grades, only one of which drives motor in running order, works as institute
When stating the first driving motor work, the described tooth set on described first lock unit and adjacent described first top gear idle pulley small end
Or first low or first gear idle pulley small end coordinate, described second lock unit idle running, when described second drive motor work time, described second
Described tooth set on lock unit coordinates with adjacent described second top gear idle pulley small end or the second low or first gear idle pulley small end, described
First lock unit idle running.
Further, during described decelerator gear shift, described decelerator electric controller control under, described in be in idling conditions
Lock unit moves along described jackshaft, and with adjacent idle pulley toe contact, the driving motor being in off position accordingly turns
For duty；Another decelerator moves along described jackshaft thus separates with adjacent idle pulley small end, is in work accordingly
The driving motor making state transfers off position to.
The present invention achieves techniques below effect relative to prior art:
1. because dual input fluid drive electric vehicle speed reducer is to carry out handling according to the principle of power shift, double
Power interruption is there is not, so the most significantly slowing down during gear shift in input fluid drive electric vehicle speed reducer in gear shift works
Produce, and shorten shift time, greatly improve gear shift comfortableness, the aspects such as vehicle oil consumption and discharge have been changed
Kind.
2. due to dual input fluid drive electric vehicle speed reducer be carry out on the basis of former traditional manual transmission from
Dynamicization, thus reached baroque rotary shaft planetary gear type automatic transmission with the parallel-axis type structure of simple in construction
Effect, structure is compacter, because having maximally utilised the resource of MT, it is possible to reduction by a relatively large margin is manufactured into
This so that it is cost is less than automatic transmission such as AT, CVT.
3. the dual input fluid drive electric vehicle speed reducer simple in construction of the present invention, it is easy to processing.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is that two grades of fluid drive electric vehicle speed reducer power transmission lines of a kind of dual input of the embodiment of the present invention show
It is intended to；
Description of reference numerals: 1-first drives motor, 2-the first power shaft, 3-the first high speed gear, 4-the first low speed
Shelves gear, 5-the second bootom gear, 6-the second high speed gear, 7-the second power shaft, 8-second drives motor, in the middle of 9-
Axle, 10-the first top gear big end of idle pulley, 11-the first top gear idle pulley small end, 12-the first lock unit, 13-the first low or first gear is lazy
Wheel small end, 14-the first low or first gear big end of idle pulley, 15-output gear, 16-main deceleration driven gear, 17-the second low or first gear idle pulley
Big end, 18-the second low or first gear idle pulley small end, 19-the second lock unit, 20-the second top gear idle pulley small end, 21-the second top gear
The big end of idle pulley, 22-semiaxis, 23-differential mechanism.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It is an object of the invention to provide two grades of fluid drive electric vehicle speed reducers of a kind of dual input.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input as shown in Figure 1, including the first power shaft 2, second
7 two power shafts of power shaft, jackshaft 9 and decelerator electric controller.First power shaft 2 and the second power shaft 7 coaxial line；First is defeated
Enter axle 2 and be provided with the first high speed gear 3 and the first bootom gear 4 of synchronous rotation, the first bootom gear 4 nominal
Diameter is less than the first high speed gear 3 nominal diameter；Second power shaft 7 is provided with the second bootom gear of synchronous rotation
5 and second high speed gear 6, the second bootom gear 5 engineering diameter is less than the second high speed gear 6 nominal diameter；First drives
Galvanic electricity machine 1, second drives motor 8 respectively first power shaft the 2, second power shaft 7 to provide power.
Jackshaft 9 be equiped with first lock unit the 12, second lock unit the 19, 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 of transmission moment of torsion；First lock unit 12 and the first high speed
Shelves idle pulley small end the 11, first low or first gear idle pulley small end 13 is adjacent, the second lock unit 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 be empty set on jackshaft 9 and with jackshaft 9 duplicate gear in relative rotation；First lock unit the 12, second lock unit 19
With jackshaft 9 synchronous axial system, and axially not fixing along jackshaft 9；The first big end of top gear idle pulley 10 and the first top gear tooth
Wheel 3 cooperation, the first big end of low or first gear idle pulley 14 coordinates with the first bootom gear 4, the second big end of top gear idle pulley 21 and second
High speed gear 6 coordinates, and the second big end of low or first gear idle pulley 17 coordinates with the second bootom gear 5；First lock unit 12, second is same
Step device 19 is for double-cone synchronizer and is provided with tooth set；Output gear 15 is with jackshaft 9 synchronous axial system, 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 differential mechanism 23 both sides, driven gear 16
Engaging with output gear 15, the semiaxis 22 being divided into differential mechanism 23 both sides export power, differential mechanism 23 is as torque output.
Decelerator electric controller and first drives motor 1, second to drive motor the 8, first synchronization 12 and the second lock unit 19 phase
Even.
Embodiment 1,
A kind of two grades of fluid drive electric vehicle speed reducer neutral gear power transmission lines of dual input: when decelerator electric controller control
After the output power of system the first driving motor 1 passes to the first power shaft 2, through the first high speed gear 3 and the first low or first gear tooth
Wheel 4 respectively with the first big end of top gear idle gear 10 and the first big end of low or first gear idle gear 14 by engaging each other transmission power,
When the tooth set of the first lock unit 12 is in centre position, cut off from the first high speed gear 3 and the first bootom gear 4
Power, simultaneously decelerator electric controller control second driving motor 8 do not work, now jackshaft 9 does not rotates, and decelerator is in sky
Shelves, power can not export.
Embodiment 2,
A kind of two grades of fluid drive electric vehicle speed reducer top gear power transmission lines of dual input: decelerator electric controller control
After the output power of system the first driving motor 1 passes to the first power shaft 2, decelerator electric controller controls to stir the first lock unit 12
Tooth set toward left direction move to reach the first top gear idle gear small end 11 time, now synchronizer gear sleeve and the lazy tooth of the first top gear
Wheel small end 11 connects firmly, and the power engaged with the first big end of top gear idle gear 10 through the first high speed gear 3 is delivered to output gear
Taking turns 15, output gear 15 and main deceleration driven gear 16 are nibbled 23 power transmission semiaxis 22 of merga pass differential mechanism and export, this
Time second drive motor 8 not work.
Or after driving the output power of motor 8 to pass to the second power shaft 7 for decelerator electric controller control second, decelerator
Electric controller control stir the second lock unit 19 tooth set toward right direction move to reach the second top gear idle gear small end 20 time, now
Synchronizer gear sleeve and the second top gear idle gear small end 20 connect firmly, big with the second top gear idle gear through the second high speed gear 6
The power of end 21 engagement is delivered to output gear 15, and merga pass differential mechanism 23 nibbled by output gear 15 and main deceleration driven gear 16
Power transmitted semiaxis 22 and exports, now second driving motor 1 not work.
Embodiment 3,
A kind of two grades of fluid drive electric vehicle speed reducer low or first gear power transmission lines of dual input: decelerator electric controller control
After the output power of system the first driving motor 1 passes to power shaft 2, decelerator electric controller controls to stir the tooth of the first lock unit 12
When the past right direction of set moves to reach the first low or first gear idle gear small end 13, now synchronizer gear sleeve and the first low or first gear idle gear are little
End 13 connects firmly, and the power engaged with the first big end of low or first gear idle gear 14 through the first bootom gear 4 is delivered to output gear 15,
Output gear 15 and main deceleration driven gear 16 are nibbled 23 power of merga pass differential mechanism transmission semiaxis 22 and export, and now second
Motor 8 is driven not work.
Or after driving the output power of motor 8 to pass to the second power shaft 7 for decelerator electric controller control second, decelerator
Electric controller control stir the second lock unit 19 tooth set toward left direction move to reach the second low or first gear idle gear small end 18 time, now
Synchronizer gear sleeve and the second low or first gear idle gear small end 18 connect firmly, big with the second low or first gear idle gear through the second bootom gear 5
The power of end 17 engagement is delivered to output gear 15, and merga pass differential mechanism 23 nibbled by output gear 15 and main deceleration driven gear 16
Power transmitted semiaxis 22 and exports, now second driving motor 1 not work.
Embodiment 4,
In vehicle travel process, it is changed to two grades by one grade: now owing to the tooth set of the first lock unit 12 is in the right, tooth
Set needs through three processes of low speed → neutral gear → at a high speed, and therefore vehicle exists for the problem of power interruption, and now second with
The tooth set of step device 19 is in central idle position, and this synchronizer shift process is two processes of neutral gear → at a high speed；In order to ensure to move
Power is not interrupted, and decelerator electric controller sends signal and controls the output power of the second driving motor 8, after passing to power shaft 7, with
Time decelerator electric controller send signal and control the first lock unit 12 and the second lock unit 19 links, stir the first lock unit 12 simultaneously
Tooth set moves toward the tooth set of left direction and the second lock unit 19 toward right direction, significantly reduces shift time, now synchronizes when second
When the tooth set of device 19 arrives high speed position, the tooth set of the second lock unit 19 connects 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 big end of top gear idle gear 21 is delivered to output gear 15, output gear 15 with
Main deceleration driven gear 16 is nibbled 23 power transmission semiaxis 22 of merga pass differential mechanism and exports, and stirs the first lock unit 12 tooth
Set arrives central idle position toward left direction simultaneously, and now decelerator electric controller sends signal control the first driving motor 1 not work
Make.
Embodiment 5,
In vehicle travel process, it is changed to one grade by two grades: now owing to the tooth set of the second lock unit 19 is in the right, tooth
Set needs through three processes of low speed → neutral gear → at a high speed, and vehicle exists the problem of power interruption, and now the first lock unit 12
Tooth set be in central idle position, this synchronizer shift process is two processes of neutral gear → at a high speed；In ensureing that power is not
Disconnected, decelerator electric controller sends signal and controls the output power of the second driving motor 1, after passing to power shaft 2, slows down simultaneously
Device electric controller sends signal and controls the first lock unit 12 and the second lock unit 19 links, and stirs the first lock unit 12 tooth set past simultaneously
The tooth set of right direction and the second lock unit 19 moves toward left direction, significantly reduces shift time, now when the first lock unit 12
When tooth set arrives high speed position, the tooth set of the first lock unit 12 connects firmly, through the first low speed with the first low or first gear idle gear small end 13
The power that shelves gear 4 engages with the first big end of low or first gear idle gear 14 is delivered to output gear 15, output gear 15 and main deceleration
Driven gear 16 is nibbled 23 power transmission semiaxis 22 of merga pass differential mechanism and exports, and stirs the second lock unit 19 tooth set and turn left
Direction arrives central idle position simultaneously, and now decelerator electric controller sends signal and controls the first driving motor 2 and do not work.
The present invention has a power shaft power source providing power, whole gearshift procedure medium power in gearshift procedure all the time
Will not interrupt, it is ensured that the ride comfort that gearshift procedure for vehicles runs, improve the comfortableness driven.
This specification applies specific case principle and the embodiment of the present invention are set forth, above example
Explanation be only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art,
According to the thought of the present invention, the most all will change.In sum, in this specification
Hold and should not be construed as limitation of the present invention.
Claims (10)
1. two grades of fluid drive electric vehicle speed reducers of a dual input, it is characterised in that include the first power shaft, second defeated
Entering axle, jackshaft and decelerator electric controller, described first power shaft, described second power shaft are parallel with described jackshaft；Described
First power shaft is provided with the first bootom gear and first high speed gear of synchronous rotation, described first low or first gear tooth
Wheel nominal diameter is less than described first high speed gear's nominal diameter；Described second power shaft is provided with the of synchronous rotation
Two bootom gears and the second high speed gear, described second bootom gear engineering diameter is less than described second high speed gear
Nominal diameter；Described jackshaft is provided with the first top gear idle pulley, the second top gear idle pulley, the first low or first gear idle pulley, second low
Speed shelves idle pulley, the first lock unit, the second lock unit and output gear；Described first top gear idle pulley, described second top gear are lazy
Wheel, described first low or first gear idle pulley and described second low or first gear idle pulley be empty set on described jackshaft and with described jackshaft phase
To the duplicate gear rotated；Described first lock unit, described second lock unit are with described jackshaft synchronous axial system, and along in described
Axially not fixing of countershaft；Described output gear is with described jackshaft synchronous axial system；The described first big end of top gear idle pulley and institute
Stating the first high speed gear to coordinate, the described first big end of low or first gear idle pulley coordinates with described first bootom gear, and described second
The big end of top gear idle pulley coordinates with described second high speed gear, the described second big end of low or first gear idle pulley and described second low or first gear
Gear coordinates；Described first lock unit and described first top gear idle pulley small end, the first low or first gear idle pulley small end are adjacent, and described
Two lock units and described second top gear idle pulley small end, the second low or first gear idle pulley small end are adjacent；Described decelerator electric controller and institute
State the first lock unit, described second lock unit is connected.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input the most according to claim 1, it is characterised in that institute
State the first power shaft and described second power shaft coaxial line.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input the most according to claim 1, it is characterised in that institute
Stating the first lock unit with described second lock unit is double-cone synchronizer.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input the most according to claim 1, it is characterised in that institute
State output gear to be connected with differential mechanism by driven gear.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input the most according to claim 1, it is characterised in that institute
Stating the first power shaft and first drives motor to be connected, and described second power shaft and second drives motor to be connected.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input the most according to claim 5, it is characterised in that institute
State decelerator electric controller drives motor, the second driving motor to be connected with described first.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input the most according to claim 5, it is characterised in that institute
State the first lock unit and described second lock unit is provided with tooth set.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input the most according to claim 7, it is characterised in that institute
Stating decelerator when being in neutral gear, described first lock unit and described second lock unit are all mismatched with adjacent gear.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input the most according to claim 7, it is characterised in that institute
Stating decelerator when being in one grade or two grades, only one of which drives motor in running order, when described first drives motor work
Time, the described tooth set on described first lock unit is little with adjacent described first top gear idle pulley small end or the first low or first gear idle pulley
End coordinates, described second lock unit idle running, when described second drives motor work, and the described tooth set on described second lock unit
Coordinate with adjacent described second top gear idle pulley small end or the second low or first gear idle pulley small end, described first lock unit idle running.
Two grades of fluid drive electric vehicle speed reducers of a kind of dual input the most according to claim 9, it is characterised in that
During described decelerator gear shift, described decelerator electric controller control under, described in be in the lock unit of idling conditions along described centre
Axle moves, and with adjacent idle pulley toe contact, the driving motor being in off position accordingly transfers duty to；Another
Decelerator moves along described jackshaft thus separates with adjacent idle pulley small end, and the most in running order driving motor turns
For off position.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438869A (en) * | 2016-11-21 | 2017-02-22 | 聊城大学 | Double-input single-output power-uninterrupted coupler and gear shifting method thereof |
| WO2018145231A1 (en) * | 2017-02-08 | 2018-08-16 | 南京越博动力系统股份有限公司 | Dual axis, horizontal, pure electric driving force system for use in vehicles |
| 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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