CN109878322A - It is suitable for the automobile hybrid power structure based on AMT of different automobile types speed change request - Google Patents
It is suitable for the automobile hybrid power structure based on AMT of different automobile types speed change request Download PDFInfo
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- CN109878322A CN109878322A CN201910228472.5A CN201910228472A CN109878322A CN 109878322 A CN109878322 A CN 109878322A CN 201910228472 A CN201910228472 A CN 201910228472A CN 109878322 A CN109878322 A CN 109878322A
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- input shaft
- conjunction gear
- driven
- output shaft
- tooth
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Abstract
The invention discloses a kind of automobile hybrid power structures based on AMT for being suitable for different automobile types speed change request, driving tooth is equipped on transmission input shaft, principal and subordinate moves conjunction gear and pattern switching conjunction gear set, driving tooth and active conjunction gear are connected and empty set is on input shaft, driven conjunction gear is mounted on input shaft, and pattern switching conjunction gear set can be slid in active conjunction gear, driven conjunction gear individually to engage with active conjunction gear or driven combination tooth engagement or simultaneously.Output shaft is equipped with the tooth part similar with input shaft.Two-mode switches conjunction gear and covers synchronization-sliding, and when synchronization-sliding, two teeth set or only one tooth set are engaged simultaneously with driven conjunction gear and active conjunction gear or all do not engaged simultaneously.Motor driven tooth and input shaft active tooth engagement.The present invention overcomes power interruption problems when AMT shift of transmission, can switch between pure oily mode, the mixed dynamic, P3 of P2 mix dynamic model formula automatically, meet the needs of different driving cycles.
Description
Technical field
The present invention relates to new-energy automobile, in particular to it is a kind of be suitable for different automobile types speed change request based on AMT
Automobile hybrid power structure, belong to electric vehicle engineering field.
Background technique
As countries in the world environmental protection measure is increasingly stringenter, electric car becomes vapour due to the features such as its energy conservation, low emission
One emphasis of vehicle research and development, and successfully realize commercialization.Since pure electric automobile is in continuation of the journey and charging technique
It is not completely resolved, so can't generally be received by consumer at present.And hybrid vehicle has taken into account fuel vehicle
With the advantage of electric vehicle, therefore at present hybrid vehicle have more market prospects.
Common hybrid power set-up mode has: 1, increasing by 48 volts of BSG electrodes on the engine instead of conventional electric generators (letter
Claim P0)；It, which represents volume production vehicle, has Audi Q7, long Anxin ease dynamic；2, by driving motor be integrated in engine and gearbox it
Between, for driving the input shaft (abbreviation P2) of gearbox.It, which represents volume production vehicle, AUDI A3,7 Ai Ruize；3, driving motor
It is integrated (increasing driving motor in rear axle, for driving the output shaft of gearbox) (abbreviation P3) with gearbox；It represents volume production vehicle
Type has BYD；4, engine installs BSG motor, while driving motor and automatic gear-box being integrated in one (abbreviation P0+
P3).
The output torque of P2 mode motor can be amplified by speed changer to be adjusted, but power can interrupt when gear shift；P3 mode
Power interruption can be eliminated when mode gear shift, but cannot amplify adjusting output torque using speed changer.In view of P2 and P3 mould
The advantage and disadvantage of formula integrate the advantages of P2 and P3 mode to maximize favourable factors and minimize unfavourable ones, and the solution being readily apparent that is setting
Two sets of driving motors, respectively drive input shaft and output shaft, and not only cost greatly improves in this way, and empty almost without installation
Between, so practical infeasible.
Speed changer is one of three-major-items of automobile, and the speed changer of automobile mainly has manual transmission (MT), automatic transmission
(AT), double-clutch speed changer (DCT), buncher (CVT), automatic mechanical transmission (AMT).Suitable hybrid power at present
Automatic gear-box mainly have hydraulic mechanical type, CVT electrodeless variable-speed, DCT double clutch (masses be DSG).
Hydraulic mechanical type automatic gear-box is a kind of most widely used gearbox, it realizes the function of automatic torque-changing speed change
Can, with the progress of gear increased with electronic control technology, the gear shift reflection of this gearbox is quicker, and movement is also more smooth,
But it there are also inherent defects: firstly, by liquid transmitting power fluid torque-converter own vol is larger, heavier-weight
And oil liquid transmission efficiency is high not as good as gear transmission efficiency, and some energy can be lost, and causes the oil consumption of vehicle high；Secondly, gear shift
Locking planetary gear is needed in journey, can inevitably be generated when needing quick locking when especially fierce driving in locking movement
Shifting shock；Third keeps its structure sufficiently complex, reliability phase since sleeve mechanism includes the devices such as automatically controlled, hydraulic, mechanical
To reduction.
The benefit of CVT is that speed-change process is extremely smooth, absolutely not shifting shock problem present in other gearboxes, and
And speed can be changed in the case where the revolving speed of engine does not change when driving, this just makes that function is started to always work at most
Good revolving speed section, while the engine process that revolving speed is constantly risen and fallen when exercising gear shift is also saved, significantly reduce oil
Consumption, while CVT gearbox is small in size, light-weight, also saves space.CVT is limited by Steel Belt Transmission, it can only be provided in
On the lower engine of power output, excessively high power output can make steel band skid, and damage steel band, therefore CVT gearbox can only
In vehicle applied to middle small displacement, in addition, due to CVT need of work hydraulic system, therefore whole transmission efficiency will receive it is larger
It influences.
Direct, small in size, the light-weight advantage of the existing manual power output of DCT double clutch, and realize manually
The impossible fast slewing of shelves, so DCT is used for motor sport for a long time and is pursued by driving enthusiast.Due to the knot of DSG
Structure is more complicated, and manufacturing cost is also relatively high.
Although AMT has structure simple, low in cost, manufacture is easy and the exclusive strong points such as transmission efficiency height, due to
Control is difficult, and there are power interruption when especially shifting gears, the inherent shortcomings such as ride comfort difference are seldom in hybrid vehicle
Using.Therefore, how hybrid power set-up mode to be combined with automatic mechanical transmission (AMT), it is respective to overcome
Deficiency gives full play to the respective advantage of the two, has important practical significance for the development of hybrid vehicle.
In the patent applied before applicant, the switching covered by conjunction gear, although can be mixed in pure oily mode, P2
Dynamic, P3 automatically switches between mixing dynamic model formula, and power interruption problem when overcoming AMT shift of transmission meets hybrid vehicle not
With the demand of driving cycle.But when the structure is used for different automobile types, since the speed change request of different automobile types is different, it is necessary to
Respective gears are redesigned, the process is very troublesome, and the gear redesigned is likely to influence to install tooth accordingly
The position of the transmission shaft of wheel, and transmission shaft needs to be mounted on case of transmission, therefore certain transmission shaft installation site once changes, just
It needs to redesign case of transmission, re-mold, lead to the structure vehicle bad adaptability, change cost is big.
Summary of the invention
In view of the above shortcomings of the prior art, the automobile mixing based on AMT that the purpose of the present invention is to provide a kind of
Dynamic structure, power interruption problem when the present invention not only overcomes AMT shift of transmission, control system can be in pure oily modes, P2
Mixed dynamic, P3 automatically switches between mixing dynamic model formula, meets the needs of hybrid vehicle difference driving cycle, and to part of portion
Part provides for simple replacement of the speed change request for being suitable for different automobile types, adaptable, and vehicle replacement cost is low.
To achieve the goals above, the technical solution adopted by the present invention is that it is such:
Be suitable for the automobile hybrid power structure based on AMT of different automobile types speed change request, including engine, automatic clutch,
Driving motor, electric machine controller and automated mechanical transmission, the output of electric machine controller connect driving motor, automated mechanical transmission
It is corresponding with each shelves driving tooth on output shaft including input shaft, each shelves driving tooth, output shaft and the setting that are arranged on input shaft
Each shelves driven tooth, engine output shaft connects the input shaft of automated mechanical transmission by automatic clutch.
Input shaft driving tooth, input shaft axle sleeve, input shaft driving cog, defeated is equipped on the input shaft of automated mechanical transmission
Enter axis active conjunction gear, the driven conjunction gear of input shaft and input shaft pattern switching conjunction gear set, input shaft axle sleeve and input shaft master
Movable tooth is integrally formed and empty set is on input shaft, input shaft driving cog and input shaft active conjunction gear respectively tight fit be socketed in it is defeated
Enter to be connected with input shaft driving tooth on axis axle sleeve, input shaft driving cog is located at input shaft driving tooth and input shaft active conjunction gear
Between；The driven conjunction gear of input shaft be mounted on input shaft and always with input shaft rotate synchronously, input shaft active conjunction gear with
The driven conjunction gear of input shaft is adjacent and outer diameter having the same and toothing；Input shaft pattern switching conjunction gear set inner surface is equipped with
Internal tooth, the internal tooth is corresponding with the toothing in input shaft active conjunction gear, the driven conjunction gear of input shaft and can engage；Input
Axis pattern switching conjunction gear set can be slid in input shaft active conjunction gear, the driven conjunction gear of input shaft with individually with input shaft master
Dynamic conjunction gear or the driven combination tooth engagement of input shaft are nibbled with input shaft active conjunction gear, the driven conjunction gear of input shaft simultaneously
It closes；The sliding of input shaft pattern switching conjunction gear set stirs realization by shift fork, and shift fork is connect with fork controls motor by shift fork
Control motor driven shift fork is stirred；
Output shaft driven tooth, the driven conjunction gear of output shaft, output shaft is equipped on the output shaft of automated mechanical transmission actively to tie
Tooth and output shaft pattern switching conjunction gear set are closed, output shaft driven tooth and output shaft active conjunction gear are fixed together and empty set exists
On output shaft；The driven conjunction gear of output shaft is mounted on output shaft and rotates always with output shaft synchronous, and output shaft actively combines
Tooth outer diameter adjacent and having the same with the driven conjunction gear of output shaft and toothing；Output shaft pattern switching conjunction gear covers inner surface
Equipped with internal tooth, the internal tooth is corresponding with the toothing in output shaft active conjunction gear, the driven conjunction gear of output shaft and can engage；
Output shaft pattern switching conjunction gear set can be slid in output shaft active conjunction gear, the driven conjunction gear of output shaft with individually with output
Axis active conjunction gear or the driven combination tooth engagement of output shaft or simultaneously with output shaft active conjunction gear, the driven conjunction gear of output shaft
Engagement；Output shaft pattern switching conjunction gear set is stirred by the shift fork to realize cunning synchronous with input shaft pattern switching conjunction gear set
It moves；When synchronization-sliding, two teeth set or only one tooth set engage simultaneously with corresponding driven conjunction gear and active conjunction gear,
It does not all engage simultaneously, without engaging simultaneously；
The output shaft of driving motor is equipped with motor driven tooth, and the motor driven tooth is driven by intermediate transmission tooth and input shaft
Tooth engagement, input shaft driving tooth and the driven tooth engagement of output shaft.Intermediate transmission tooth is added, driving motor may be implemented to input shaft
Decelerating effect between driving tooth, while convenient for driving motor and speed changer to be integrated in same set of shell.
Outer surface and output shaft pattern switching conjunction gear set outer surface, which are covered, in input shaft pattern switching conjunction gear is equipped with ring
The groove of shape, described shift fork one end are connected with fork controls motor, and the shift fork other end is formed separately two shifting blocks, and two shifting blocks are respectively inserted
In the groove for entering input shaft pattern switching conjunction gear set and output shaft pattern switching conjunction gear set, to make to input by stirring for shift fork
Axis pattern switching conjunction gear set and output shaft pattern switching conjunction gear cover synchronization-sliding.
The shift fork is equipped with sets of holes, and shift fork is sheathed on guide rod by sets of holes；Auxiliary locating slot is equipped on guide rod,
Locating slot is arc groove；Each locating slot corresponds to the position that shift fork toggles it to, when fork controls motor driven shift fork is mobile
When to some locating slot, show that pattern switching conjunction gear set is toggled it to some corresponding mode by shift fork.
The shift fork is equipped with spring retention hole only open at one end, and spring retention hole is communicated simultaneously by open end with sets of holes
Towards sets of holes center；Pressure spring and steel ball are equipped in spring retention hole, pressure spring one end is abutted against with spring retention hole hole bottom, separately
One end is contacted with steel ball, and steel ball is abutted with guide rod always under the effect of pressure spring elastic force.Theoretically, the moving distance of shift fork and direction
System can be preset, even if also can accurately reach next position without groove and steel ball structure.But the setting of this structure,
Steel ball is under pressure spring effect, when reaching locating slot, has apparent sense in place and the sound with steel ball im-pact location slot, arrives
Position is more acurrate reliable.
The input of the fork controls motor connects the output all the way of vehicle control device, and the another output of vehicle control device connects
The input of electric machine controller.The work of driving motor (is that incision enters pure power mode, mixed dynamic model formula or exits into pure oily mould
Formula) and fork controls motor work (when shift fork acts, movement arrive which position) by vehicle control device according to vehicle
Various internal and external parameters collected when driving determine, so that vehicle be made to be in optimal operating condition at each moment.
The driven conjunction gear of input shaft is constituted by integrally formed two sections, wherein one section of outer surface is equipped with toothing, it is another
Section is that smooth outer surface and outer diameter are less than that section of outer diameter for having toothing, this another section towards input shaft active conjunction gear；Two
Section all passes through spline and input axis connection.
The driven conjunction gear of input shaft is mounted on input shaft by spline；The driven conjunction gear of output shaft is pacified by spline
On output shaft.Implementation is simply rotated synchronously as a kind of mature, spline connects reliable operation, realizes and is easy.
This mixed dynamic scenario-frame is simple, low in cost, is easy to be engineered, is able to satisfy hybrid vehicle difference driving cycle
Demand.It can (under pure electric drive, shift fork or tooth set be in and mix identical position, and only internal combustion engine is not with pure electric drive
Participate in driving) or the pure oil driving of motor decoupling；It can be mixed with P2 and move, adjust the defeated of amplification motor using the different stalls of speed changer
Torque out；It is synchronous convenient for gear shift, shortening shift time using electric machine speed regulation in AMT gear shift；It can be mixed with P3 and move, driven using motor
Motor-car eliminates power interruption defect intrinsic when AMT gear shift, and the performance of AMT is allowed to be promoted at all；Brake Energy can be recycled
Amount, can also be with start and stop, to improve the fuel economy of vehicle；By starting when driving motor can also start engine, parking
Machine driving power generation is power battery charging.
In addition, due to being equipped with input shaft driving tooth, input shaft driving cog, motor on the input shaft of automated mechanical transmission
Sliding tooth is driven tooth engagement, input shaft driving tooth and the driven tooth engagement of output shaft by intermediate transmission tooth and input shaft, in this way when
When needing to change transmission ratio for different automobile types, so that it may keep the transmission ratio between motor driven tooth and input shaft driving cog solid
It is fixed constant, it is assumed that be k0, only change input shaft driving tooth and the transmission ratio of output shaft driven tooth (be assumed to be ki) can be obtained by
The transmission ratio finally needed is (for the two product, i.e. k0ki, k at this time0It is equivalent to a fixed coefficient), due to motor driven tooth
Transmission ratio between input shaft driving cog immobilizes, then intermediate transmission tooth corresponding intermediate transmission tooth shaft position
It immobilizes, and changes the transmission ratio k of input shaft driving tooth Yu output shaft driven toothiIt is relatively easy very much, and without changing
The position of the location status of input shaft and output shaft, i.e., all axis will not change, and only change input shaft driving tooth and output shaft
Driven tooth both parts can achieve the purpose that need transmission ratio, and different automobile types can thus be made to use same specification
Gearbox case avoids redesign and die sinking bring a series of problems, such as influences production cycle, design difficulty, cost
Increase etc..
Detailed description of the invention
Fig. 1-present invention works in motor and decouples structural schematic diagram under pure oily drive mode.
Fig. 2-present invention works in the schematic diagram under the mixed dynamic model formula of P2.
Fig. 3-present invention works in the schematic diagram under the mixed dynamic model formula of P3.
Fig. 4-three-dimensional structure diagram of the present invention.
In figure, 1- motor driven tooth；2- intermediate transmission tooth；3- intermediate transmission tooth shaft；4- bearing；5- input shaft driving tooth；
6- input shaft active conjunction gear；The driven conjunction gear of 7- input shaft；8- input shaft pattern switching conjunction gear set；9- shift fork；10- output
The driven conjunction gear of axis；11- output shaft active conjunction gear；12- output shaft driven tooth；13- rear bearing, input shaft；After 14- output shaft
Bearing；15- fourth gear driven tooth；16- fourth gear driving tooth；17- third gear driven tooth；18- third gear driving tooth；Bis- grades of driven tooths of 19-；
Bis- grades of driving tooths of 20-；Mono- grade of driven tooth of 21-；22- output shaft middle (center) bearing；23- front bearing, output shaft；24- output shaft；Mono- grade of 25-
Driving tooth；26- front bearing, input shaft；27- input shaft；28- output shaft pattern switching conjunction gear set；29- driving motor；30- is defeated
Enter axis driving cog；31- guide rod；32- locating slot.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to figures 1-4, it can be seen from the chart, the present invention is based on the automobile hybrid power structures of AMT, including start
Machine, automatic clutch, driving motor 29, electric machine controller and automated mechanical transmission, the output of electric machine controller connect driving electricity
Machine, automated mechanical transmission include that input shaft 27, each shelves driving tooth being arranged on input shaft, output shaft 24 and setting are exporting
Each shelves driven tooth corresponding with each shelves driving tooth, engine output shaft connect automated mechanical transmission by automatic clutch on axis
Input shaft 27.In operating mode switching, engine, clutch and electric machine controller etc. belong to existing skill for improvement of the invention
Art, Gu Tushang are not shown.
Input shaft driving tooth 5, input shaft axle sleeve, input shaft driving cog are equipped on the input shaft 27 of automated mechanical transmission
30, the driven conjunction gear 7 of input shaft active conjunction gear 6, input shaft and input shaft pattern switching conjunction gear set 8, input shaft axle sleeve with
Input shaft driving tooth 5 is integrally formed and empty set is on input shaft 27, and input shaft driving cog 30 and input shaft active conjunction gear 6 are distinguished
Tight fit is socketed on input shaft axle sleeve to be connected with input shaft driving tooth 5, and input shaft driving cog 30 is located at input shaft driving tooth 5
Between input shaft active conjunction gear 6；The driven conjunction gear 7 of input shaft is mounted on input shaft 27 and synchronous with input shaft 27 always
Rotation, the outer diameter adjacent and having the same with the driven conjunction gear 7 of input shaft of input shaft active conjunction gear 6 and toothing；Input shaft
Pattern switching conjunction gear covers 8 inner surfaces and is equipped with internal tooth, in the internal tooth and input shaft active conjunction gear, the driven conjunction gear of input shaft
Toothing is corresponding and can engage；Input shaft pattern switching conjunction gear set 8 can input shaft active conjunction gear 6, input shaft from
In dynamic conjunction gear 7 sliding with individually engaged with input shaft active conjunction gear 6 or the driven conjunction gear 7 of input shaft or simultaneously with input
The driven combination tooth engagement of axis active conjunction gear, input shaft；The sliding of input shaft pattern switching conjunction gear set 8 stirs reality by shift fork 9
Existing, shift fork 9 is connect to be stirred by fork controls motor driven shift fork with fork controls motor.
Output shaft driven tooth 12, the driven conjunction gear 10 of output shaft, defeated is equipped on the output shaft 24 of automated mechanical transmission
Shaft active conjunction gear 11 and output shaft pattern switching conjunction gear set 28, output shaft driven tooth 12 and output shaft active conjunction gear 11
It is fixed together and empty set is on output shaft 24；Output shaft driven tooth 12 is engaged with input shaft driving tooth 5；The driven combination of output shaft
Tooth 10 is mounted on output shaft 24 and rotates synchronously always with output shaft 24, output shaft active conjunction gear 11 and the driven knot of output shaft
Close adjacent tooth 10 and outer diameter having the same and toothing；Output shaft pattern switching conjunction gear covers 28 inner surfaces and is equipped with internal tooth, should
Internal tooth is corresponding with the toothing in output shaft active conjunction gear 11, the driven conjunction gear 10 of output shaft and can engage；Output shaft
Pattern switching conjunction gear set 28 can be slid in output shaft active conjunction gear 11, the driven conjunction gear 10 of output shaft with individually with output
Axis active conjunction gear 11 or the driven engagement or driven with output shaft active conjunction gear 11, output shaft simultaneously of conjunction gear 10 of output shaft
Conjunction gear 10 engages；Output shaft pattern switching conjunction gear set 28 is stirred by the shift fork 9 to realize and input shaft pattern switching knot
It closes tooth and covers 8 synchronization-slidings.When synchronization-sliding, two teeth set or only one tooth set are combined with corresponding driven conjunction gear and actively
Tooth is engaged simultaneously or is not all engaged simultaneously, without both engaging simultaneously；I.e. under three positions of shift fork, two teeth set
Position and marriage relation are as follows: position one -- and output shaft active conjunction gear 11 and the driven conjunction gear 10 of output shaft are separately not bound with
And input shaft active conjunction gear 6 and the driven conjunction gear 7 of input shaft are separated and are also not bound with；Position two -- input shaft pattern switching knot
It closes tooth set 8 to combine input shaft active conjunction gear 6 and the driven conjunction gear 7 of input shaft, the conjunction gear of output shaft active at this time 11 and defeated
The driven conjunction gear 10 of shaft is separately not bound with；Position three -- output shaft pattern switching conjunction gear set 28 actively combines output shaft
Tooth 11 and the driven conjunction gear 10 of output shaft combine, and the conjunction gear of input shaft active at this time 6 and the driven conjunction gear 7 of input shaft do not have separately
In conjunction with.
Under one state of position, since output shaft active conjunction gear 11 and the driven conjunction gear 10 of output shaft are separately not bound with
And input shaft active conjunction gear 6 and the driven conjunction gear 7 of input shaft are separated and are also not bound with, therefore input shaft driving tooth 5 and input
Axis active conjunction gear 6 can only dally on input shaft 27, similarly, output shaft driven tooth 12 and output shaft active conjunction gear 11
It can only dally on output shaft 24, the output of driving motor 29 cannot pass to input shaft 27, output shaft 24 can not be passed to,
Therefore under one state of position, system is in the pure oily drive mode (i.e. Fig. 1 mode) of motor decoupling.
Under the two-state of position, the output of driving motor 29 passes to input shaft driving cog 30 by intermediate transmission tooth 2, by
It is fixed together in input shaft driving cog 30 and input shaft driving tooth 5 and input shaft active conjunction gear 6, and input shaft mode is cut
It changes conjunction gear set 8 to combine input shaft active conjunction gear 6 and the driven conjunction gear 7 of input shaft, i.e. input shaft driving cog 30 can be according to
It is secondary that motor is rotated and is passed by input shaft active conjunction gear 6, input shaft pattern switching conjunction gear set 8, input shaft driven conjunction gear 7
Input shaft 27 is passed, input shaft 27 also follows input shaft driving cog 30 to rotate at this time, i.e., driving motor 29 drives the defeated of speed changer
Enter the rotation of axis 27；Since input shaft driving tooth 5 and output shaft driven tooth 12 engage, therefore output shaft driven tooth 12 also and then rotates；
Since output shaft driven tooth 12 and output shaft active conjunction gear 11 are fixed together, the conjunction gear of output shaft active at this time 11 and output
The driven conjunction gear 10 of axis is separately not bound with, therefore on output shaft 24, output shaft driven tooth 12 and output shaft active conjunction gear
11 only dally, and not will drive the rotation of output shaft 24.Therefore under the two-state of position, system is in P2 and mixes dynamic model formula (i.e. Fig. 2 mould
Formula).
Under the three condition of position, the output of driving motor 29 passes to input shaft driving cog 30 by intermediate transmission tooth 2, by
It is fixed together in input shaft driving cog 30 with input shaft driving tooth 5 and input shaft active conjunction gear 6, input shaft is actively tied at this time
It closes tooth 6 and the driven conjunction gear 7 of input shaft is separately not bound with, therefore on input shaft 27, input shaft driving tooth 5, input shaft pass
Movable tooth 30 and input shaft active conjunction gear 6 only dally, and not will drive the rotation of input shaft 27.Due to input shaft driving tooth 5
It is engaged with output shaft driven tooth 12, therefore output shaft driven tooth 12 also and then rotates；Due to output shaft driven tooth 12 and output shaft master
Dynamic conjunction gear 11 is fixed together, and output shaft pattern switching conjunction gear covers 28 for output shaft active conjunction gear 11 and output shaft
Driven conjunction gear 10 combines, i.e., output shaft driven tooth 12 can pass sequentially through output shaft active conjunction gear 11, output shaft mode is cut
It changes conjunction gear set 28, output shaft driven conjunction gear 10 and motor rotation is passed into output shaft 24, output shaft 24 is also and then defeated at this time
Shaft driven tooth 12 rotates, i.e., driving motor 29 drives the output shaft 24 of speed changer to rotate；Therefore under the three condition of position, system is in
P3 mixes dynamic model formula (i.e. Fig. 3 mode).
The output shaft of driving motor 29 be equipped with motor driven tooth 1, the motor driven tooth 1 by intermediate transmission tooth 2 with
Input shaft driving cog 30 engages, and input shaft driving tooth 5 is engaged with output shaft driven tooth 12.Intermediate transmission tooth 2 is installed by bearing 4
In intermediate transmission tooth shaft 3.Intermediate transmission tooth 2 is added, driving motor 29 may be implemented to subtracting between input shaft driving cog 30
Speed effect, while convenient for being integrated in driving motor in same set of shell with speed changer and keeping enclosure volume more compact.
Because same set of motor cannot not only access transmission input shaft, but also access output shaft when needed, so existing skill
If art will realize that P2 mixes dynamic model formula or P3 mixes dynamic model formula, it is necessary to two sets of driving motors, not only structure is complicated in this way, and
Arrangement get up it is extremely difficult, cost also increases very much.The present invention is needing work by the design of tooth set on input shaft and output shaft
When making in P2 and mixing dynamic model formula, tooth set movement on input shaft, by the transmitting of active conjunction gear and driven conjunction gear on input shaft,
Finally motor and input shaft are connected.Similarly, when needing to work in P3 and mixing dynamic model formula, the tooth set on output shaft is dynamic
Make, by the transmitting of active conjunction gear and driven conjunction gear on output shaft, finally motor is connected with exporting axis.If needed
Motor decoupling is wanted to work in pure oily drive mode, two teeth cover while disengaging the combination to active conjunction gear and driven conjunction gear, this
The decoupling of sample motor is operable with pure oily drive mode.Once being switched to relevant work mode by shift fork, vehicle can be at this
It works under mode, this is the prior art, and this will not be repeated here.Improvement of the invention is that how to switch, and inputs as output shaft
On axis principal and subordinate's movable tooth, the design for the tooth that reverses gear then completely can use existing speed changer structure, as drive shift be fourth gear, five grades also
It is six grades etc., can be applicable in.Attached drawing provided by the invention is four mark structures, label and the specific corresponding relationship of each shelves are as follows: one grade
25, one grades of driving tooth, 21, two grades of driven tooth driving tooth, 20, two grades of driven tooths 19, third gear driving tooth 18, third gear driven tooth 17, four
Shelves driving tooth 16, fourth gear driven tooth 15.It further include various bearings, after input shaft for the ease of installation input shaft and output shaft
Bearing 13, front bearing, input shaft 26, rear bearing, output shaft 14, output shaft middle (center) bearing 22 and front bearing, output shaft 23.
To realize that shift fork stirs synchronizing of cover of two teeth, in input shaft pattern switching conjunction gear set outer surface and Axle mould is exported
Formula switching conjunction gear set outer surface is equipped with cricoid groove, and described shift fork one end is connected with fork controls motor, and shift fork is another
End is formed separately two shifting blocks, and two shifting blocks are respectively inserted into input shaft pattern switching conjunction gear set and output shaft pattern switching conjunction gear set
Groove in, when such shift fork is stirred, it will be able to make input shaft pattern switching conjunction gear set and output shaft pattern switching conjunction gear
Cover synchronization-sliding.
The shift fork is equipped with sets of holes, and shift fork is sheathed on guide rod 31 by sets of holes；It is equipped with auxiliary on guide rod 31 and uses and determines
Position slot 32, locating slot 32 are arc groove；Each locating slot corresponds to the position that shift fork needs to toggle it to, when fork controls motor
When shift fork is moved to some locating slot, show that pattern switching conjunction gear set is toggled it to some corresponding mode by shift fork.
The shift fork is equipped with spring retention hole only open at one end, and spring retention hole is communicated simultaneously by open end with sets of holes
Towards sets of holes center；Pressure spring and steel ball are equipped in spring retention hole, pressure spring one end is abutted against with spring retention hole hole bottom, separately
One end is contacted with steel ball, and steel ball is abutted with guide rod always under the effect of pressure spring elastic force.Theoretically, the moving distance of shift fork and direction
System can be preset, even if also can accurately reach next position without groove and steel ball structure.But the setting of this structure,
Steel ball is under pressure spring effect, when reaching locating slot, has apparent sense in place and the sound with steel ball im-pact location slot, arrives
Position is more acurrate reliable.
The input of the fork controls motor connects the output all the way of vehicle control device, and the another output of vehicle control device connects
The input of electric machine controller.The work of driving motor (is that incision enters pure power mode, mixed dynamic model formula or exits into pure oily mould
Formula) and fork controls motor work (when shift fork acts, movement arrive that position) by vehicle control device according to vehicle
Various internal and external parameters collected when driving determine, so that vehicle be made to be in optimal operating condition at each moment.
The driven conjunction gear of input shaft is mounted on input shaft by spline；The driven conjunction gear of output shaft is pacified by spline
On output shaft.Implementation is simply rotated synchronously as a kind of mature, spline connects reliable operation, realizes and is easy.
In order to minimize the volume of reducer shell, wherein one end end face is concordant with output shaft for the input shaft, input
Axis, which is covered with principal and subordinate's movable tooth, active conjunction gear, the driven conjunction gear on output shaft with tooth, is just mounted on the respective shaft concordant one end.
The input shaft other end is with regard to sending and receiving motivation.Motor is decoupled in three positions more convenient rapidly conversion, the present invention in order to cover tooth
The corresponding position one of pure oil drive mode is set to corresponding two He of position of another two mode (P2 mixes dynamic model formula and P3 mixes dynamic model formula)
Among position three, in this way under pure oily drive mode, shift fork is stirred on one side thereto, that is, is entered P2 and mixed dynamic model formula, shift fork is toward separately
It stirs on one side, mixes dynamic model formula into P3.In turn, mixed under dynamic model formula and P3 mix dynamic model formula in P2, shift fork is stirred toward centre, just into
Enter pure oily drive mode, such switching mode also exactly practical corresponding switching mode, can shorten in this way shift fork it is mobile away from
From the raising switching reaction time.In order to realize such switching thought, it is necessary to lead two teeth set all will in middle position
Dynamic conjunction gear and driven conjunction gear combine, and when arbitrarily stirring tooth set on one side into both sides, the tooth set on one of axis will actively
Conjunction gear and driven conjunction gear combine, and active conjunction gear and driven conjunction gear are in separated position on another axis, do not have
In conjunction with, for this purpose, be not just opposite to each other in input shaft active conjunction gear, the design of output shaft active conjunction gear, likewise,
The driven conjunction gear of input shaft and the driven conjunction gear of output shaft are also not and are opposite to each other, but certain distance is mutually staggered on axis,
Specifically, the driven conjunction gear of input shaft wants narrower compared to the driven combination tooth width of output shaft, in the driven conjunction gear of input shaft and
In the case that the driven conjunction gear lateral surface of output shaft is substantially aligned, the driven conjunction gear medial surface of input shaft just with the driven knot of output shaft
It closes tooth medial surface and forms a vacancy, which is just drawn close by input shaft active conjunction gear and filled.It is cut in output shaft mode
Change conjunction gear set only combination tooth engagement driven with output shaft when (at this time output shaft pattern switching conjunction gear set be located at output shaft it is driven
Conjunction gear left end), since input shaft pattern switching conjunction gear set is wide with output shaft pattern switching conjunction gear set and side by side just
It is right, and the width of tooth set is matched with the width in vacancy, input shaft pattern switching conjunction gear set is only actively combined with input shaft at this time
Tooth engagement (input shaft pattern switching conjunction gear set is located at input shaft active conjunction gear right end at this time), two teeth cover all only at this time
With a tooth engagement, pure oily drive mode is decoupled in motor.When shift fork, which covers two teeth, stirs a position toward left side, input
Axis pattern switching conjunction gear set is still only actively combined tooth engagement with input shaft, and (input shaft pattern switching conjunction gear set width is less than
Input shaft active conjunction gear), at this time output shaft pattern switching conjunction gear set simultaneously with the driven conjunction gear of output shaft and output shaft master
It is dynamic combine tooth engagement (since the driven conjunction gear of output shaft and output shaft active conjunction gear are adjacently positioned, gap very little, theoretically,
As long as tooth covers a little mobile toward output shaft active conjunction gear direction, it will be able to be engaged with, practical tooth set moving distance is than this
Greatly to guarantee and the driven conjunction gear of output shaft and output shaft active conjunction gear positive engagement), dynamic model formula is mixed in P3.When in motor
It decouples pure oily drive mode lower shift fork two tooth sets to be turned right when stirring a position, output shaft pattern switching conjunction gear covers still
Only with the driven combination tooth engagement of output shaft (output shaft pattern switching conjunction gear cover width be less than the driven conjunction gear of output shaft), at this time
Input shaft pattern switching conjunction gear set is actively combined tooth engagement with the driven conjunction gear of input shaft and input shaft simultaneously, mixed dynamic in P2
Mode.Same reason, input shaft pattern switching conjunction gear cover moving distance, i.e. shift fork moving distance will guarantee input shaft mode
Switch conjunction gear set simultaneously with the driven conjunction gear of input shaft and input shaft active conjunction gear positive engagement.
It can be seen from the chart, the driven conjunction gear of input shaft of the present invention is constituted by integrally formed two sections, wherein one section outer
Surface is equipped with toothing, and another section is smooth outer surface and outer diameter is less than that section of outer diameter for having toothing, another section of court
To input shaft active conjunction gear；Two sections all pass through spline and input axis connection.When actual processing, by the driven conjunction gear court of input shaft
It is cut to the outer circumference surface of input shaft active conjunction gear one end, so that cutting parts radius is less than other position radiuses, i.e.,
The toothing for only processing the non-cutting tip of the driven conjunction gear of input shaft, accordingly even when input shaft pattern switching conjunction gear set is covered and cut
It, still cannot be with the driven combination tooth engagement of input shaft when cutting position；It is advantageous in that, both ensure that the driven conjunction gear of input shaft with
The length that input shaft spline combines, certain bond length is necessary to the corresponding bond strength of reliable delivery torque, simultaneously
The tooth processing capacity of the driven combination tooth surface of input shaft is reduced again.
This mixed dynamic scenario-frame is simple, low in cost, is easy to be engineered, is able to satisfy hybrid vehicle difference driving cycle
Demand.It can be with pure electric drive or the pure oil driving of motor decoupling；It can be mixed with P2 and move, put using the different stalls of speed changer to adjust
The output torque of big motor；It is synchronous convenient for gear shift, shortening shift time using electric machine speed regulation in AMT gear shift；Can it is mixed dynamic with P3,
Intrinsic power interruption defect, allows the performance of AMT to be promoted at all when using motor-driven vehicle elimination AMT gear shift；It can be with
Braking energy is recycled, it can also be with start and stop, to improve the fuel economy of vehicle；Driving motor can also start engine, stop
Being generated electricity when vehicle by engine driving is power battery charging.
The present invention is equipped with input shaft driving tooth, input shaft driving cog on the input shaft of automated mechanical transmission, and motor drives
Movable tooth is driven tooth engagement, input shaft driving tooth and the driven tooth engagement of output shaft by intermediate transmission tooth and input shaft, in this way when with
When different automobile types need to change transmission ratio, so that it may the transmission ratio between motor driven tooth and input shaft driving cog be kept to fix
It is constant, it is assumed that be k0, only change input shaft driving tooth and the transmission ratio of output shaft driven tooth (be assumed to be ki) can be obtained by most
The transmission ratio needed eventually is (for the two product, i.e. k0ki, k at this time0Be equivalent to a fixed coefficient), due to motor driven tooth with
Transmission ratio between input shaft driving cog immobilizes, then intermediate transmission tooth corresponding intermediate transmission tooth shaft position can be consolidated
It is fixed constant, and change the transmission ratio k of input shaft driving tooth Yu output shaft driven toothiIt is relatively easy many and defeated without changing
Enter the location status of axis and output shaft, i.e., the position of all axis will not change, only change input shaft driving tooth and output shaft from
Movable tooth both parts can achieve the purpose that need transmission ratio, thus different automobile types can be made to become using same specification
Fast device shell, avoids redesign and die sinking bring a series of problems, such as influences production cycle, design difficulty, cost increasing
Add.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (7)
1. being suitable for the automobile hybrid power structure based on AMT of different automobile types speed change request, including engine, automatic clutch
Device, driving motor, electric machine controller and automated mechanical transmission, the output of electric machine controller connect driving motor, and automation becomes
Fast device include input shaft, each shelves driving tooth, output shaft and the setting that are arranged on input shaft on output shaft with each shelves driving tooth
Corresponding each shelves driven tooth, engine output shaft connect the input shaft of automated mechanical transmission by automatic clutch, and feature exists
In:
Input shaft driving tooth, input shaft axle sleeve, input shaft driving cog, input shaft are equipped on the input shaft of automated mechanical transmission
The driven conjunction gear of active conjunction gear, input shaft and input shaft pattern switching conjunction gear set, input shaft axle sleeve and input shaft driving tooth
It is integrally formed and empty set is on input shaft, tight fit is socketed in input shaft respectively for input shaft driving cog and input shaft active conjunction gear
To be connected with input shaft driving tooth on axle sleeve, input shaft driving cog be located at input shaft driving tooth and input shaft active conjunction gear it
Between；The driven conjunction gear of input shaft be mounted on input shaft and always with input shaft rotate synchronously, input shaft active conjunction gear with it is defeated
Enter the adjacent driven conjunction gear of axis and outer diameter having the same and toothing；Input shaft pattern switching conjunction gear covers inner surface equipped with interior
Tooth, the internal tooth is corresponding with the toothing in input shaft active conjunction gear, the driven conjunction gear of input shaft and can engage；Input shaft
Pattern switching conjunction gear set can be slid in input shaft active conjunction gear, the driven conjunction gear of input shaft with individually with input shaft actively
Conjunction gear or the driven combination tooth engagement of input shaft or simultaneously with input shaft active conjunction gear, the driven combination tooth engagement of input shaft；
The sliding of input shaft pattern switching conjunction gear set stirs realization by shift fork, and shift fork is connect with fork controls motor by fork controls
Motor driven shift fork is stirred；
Output shaft driven tooth, the driven conjunction gear of output shaft, output shaft is equipped on the output shaft of automated mechanical transmission actively to tie
Tooth and output shaft pattern switching conjunction gear set are closed, output shaft driven tooth and output shaft active conjunction gear are fixed together and empty set exists
On output shaft；The driven conjunction gear of output shaft is mounted on output shaft and rotates always with output shaft synchronous, and output shaft actively combines
Tooth outer diameter adjacent and having the same with the driven conjunction gear of output shaft and toothing；Output shaft pattern switching conjunction gear covers inner surface
Equipped with internal tooth, the internal tooth is corresponding with the toothing in output shaft active conjunction gear, the driven conjunction gear of output shaft and can engage；
Output shaft pattern switching conjunction gear set can be slid in output shaft active conjunction gear, the driven conjunction gear of output shaft with individually with output
Axis active conjunction gear or the driven combination tooth engagement of output shaft or simultaneously with output shaft active conjunction gear, the driven conjunction gear of output shaft
Engagement；Output shaft pattern switching conjunction gear set is stirred by the shift fork to realize cunning synchronous with input shaft pattern switching conjunction gear set
It moves；When synchronization-sliding, two teeth set or only one tooth set engage simultaneously with corresponding driven conjunction gear and active conjunction gear,
It does not all engage simultaneously, without engaging simultaneously；
The output shaft of driving motor is equipped with motor driven tooth, and the motor driven tooth is driven by intermediate transmission tooth and input shaft
Tooth engagement, input shaft driving tooth and the driven tooth engagement of output shaft.
2. the automobile hybrid power structure based on AMT according to claim 1 for being suitable for different automobile types speed change request,
It is characterized in that: covering outer surface and output shaft pattern switching conjunction gear set outer surface in input shaft pattern switching conjunction gear and be equipped with ring
The groove of shape, described shift fork one end are connected with fork controls motor, and the shift fork other end is formed separately two shifting blocks, and two shifting blocks are respectively inserted
In the groove for entering input shaft pattern switching conjunction gear set and output shaft pattern switching conjunction gear set, to make to input by stirring for shift fork
Axis pattern switching conjunction gear set and output shaft pattern switching conjunction gear cover synchronization-sliding.
3. the automobile hybrid power structure based on AMT according to claim 1 for being suitable for different automobile types speed change request,
Be characterized in that: the shift fork is equipped with sets of holes, and shift fork is sheathed on guide rod by sets of holes；Auxiliary positioning is equipped on guide rod
Slot, locating slot are arc groove；Each locating slot corresponds to the position that shift fork toggles it to, when fork controls motor driven shift fork moves
When moving some locating slot, show that pattern switching conjunction gear set is toggled it to some corresponding mode by shift fork.
4. the automobile hybrid power structure based on AMT according to claim 3 for being suitable for different automobile types speed change request,
Be characterized in that: the shift fork is equipped with spring retention hole only open at one end, and spring retention hole is communicated by open end with sets of holes
And towards sets of holes center；Pressure spring and steel ball are equipped in spring retention hole, pressure spring one end is abutted against with spring retention hole hole bottom,
The other end is contacted with steel ball, and steel ball is abutted with guide rod always under the effect of pressure spring elastic force.
5. the automobile hybrid power structure based on AMT according to claim 1 for being suitable for different automobile types speed change request,
Be characterized in that: the input of the fork controls motor connects the output all the way of vehicle control device, the another output of vehicle control device
Connect the input of electric machine controller.
6. the automobile hybrid power structure based on AMT according to claim 1 for being suitable for different automobile types speed change request,
Be characterized in that: the driven conjunction gear of input shaft is mounted on input shaft by spline；The driven conjunction gear of output shaft passes through spline
It is mounted on output shaft.
7. the automobile hybrid power structure based on AMT according to claim 1 for being suitable for different automobile types speed change request,
Be characterized in that: the driven conjunction gear of input shaft is constituted by integrally formed two sections, wherein one section of outer surface is equipped with toothing, it is another
Section is that smooth outer surface and outer diameter are less than that section of outer diameter for having toothing, this another section towards input shaft active conjunction gear；Two
Section all passes through spline and input axis connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228472.5A CN109878322A (en) | 2019-03-25 | 2019-03-25 | It is suitable for the automobile hybrid power structure based on AMT of different automobile types speed change request |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228472.5A CN109878322A (en) | 2019-03-25 | 2019-03-25 | It is suitable for the automobile hybrid power structure based on AMT of different automobile types speed change request |
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| Publication Number | Publication Date |
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| CN109878322A true CN109878322A (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910228472.5A Pending CN109878322A (en) | 2019-03-25 | 2019-03-25 | It is suitable for the automobile hybrid power structure based on AMT of different automobile types speed change request |
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| CN110513450A (en) * | 2019-08-23 | 2019-11-29 | 吴有智 | Semi-automatic shift gears, which rise, turns round secondary gear |
| CN112825133A (en) * | 2020-11-18 | 2021-05-21 | 无锡臻永科技有限公司 | Intelligent object information analysis platform and method |
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| CN210027017U (en) * | 2019-03-25 | 2020-02-07 | 力帆实业(集团)股份有限公司 | AMT-based automobile hybrid power structure capable of adapting to speed change requirements of different automobile models |
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| EP1232891A1 (en) * | 2001-02-19 | 2002-08-21 | Peugeot Citroen Automobiles SA | Motion transmitting system for hybrid vehicles |
| KR20160038123A (en) * | 2014-09-29 | 2016-04-07 | 현대자동차주식회사 | Amt hybrid transmission |
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