CN109340329A - A kind of more gear vehicle automatic transmission - Google Patents
A kind of more gear vehicle automatic transmission Download PDFInfo
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- CN109340329A CN109340329A CN201811504556.9A CN201811504556A CN109340329A CN 109340329 A CN109340329 A CN 109340329A CN 201811504556 A CN201811504556 A CN 201811504556A CN 109340329 A CN109340329 A CN 109340329A
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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
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine forward speeds
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2012—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four sets of orbital gears
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of more gear vehicle automatic transmission, belong to automatic transmission technical field；It overcomes in existing automatic transmission technology there are more the number of components, complicated structure, is especially difficult to the problem of transmission ratio series slightly progressive, that classification is intensive and good meshing efficiency are provided；Including four planetary gear sets being arranged before and after successive along main rotating shaft；Nine rotatable axis；Six shift switching elements, shift switching element allow selectively to be manipulated so that nine forward gears and one are formed between transmission input shaft and output shaft reverses gear；Input shaft releasably connect with the 6th axis for being connected to third planet carrier via first clutch and releasably connect via second clutch with the 8th axis for being connected to the 4th sun gear, and third axis connect with the first sun gear and the second planet carrier and is connected on shell via the first brake；Output shaft is connect with third gear ring, fourth line carrier.
Description
Technical field
The invention belongs to automatic transmission technical fields, are related to a kind of automatic transmission unit, are especially used for motor vehicle
Powertrain, and in particular to a kind of more gear vehicle automatic transmission.
Background technique
The dynamical system of motor vehicle includes engine, multi-shifting speed variator and differential or main reducing gear composition.Multi-shifting speed variator is logical
Cross the whole operation range for allowing engine to be improved vehicle by multi-pass operation in its torque range.It is available in speed changer
The quantity of forward speed ratio (forward gear) has determined the duplicate number of engine torque bands.The negligible amounts of forward gear will limit
The entire velocity interval of vehicle processed, and relatively large engine is therefore needed, wider speed and torque range can be generated.
The automatic transmission of current four speed automatic transmission especially planetary gear construction is constantly popularized in China, this
The a little transmissions improveds operating characteristics and fuel economy of vehicle.The quantity of forward speed ratio increase will reduce speed ratio it
Between step-length, and therefore by make under normal vehicle accelerates operator be detectable substantially speed than replacement and improve speed changer
Shift quality.Six gears, seven gears, eight gears, nine speed automatic transmissions ratio in terms of vehicle acceleration and improved fuel economy
Four gears and five speed automatic transmissions have an apparent advantage, but due to the size of these speed changers is big, complexity of structure and at
This height, popularizing for these automatic transmission are also subject to certain restrictions.
In general the vehicle automatic speed variator for the planetary gear construction mode that can automatically switch in the prior art by
It repeatedly describes and is further developed and improved always.For example Cai Aifu company of Germany DE102009047275, Germany wear nurse
Strangle joint-stock company DE102016001560, Germany Bayerische Motorne Werke Aktiengeellschaft DE102010052002 and Ai Xin company of Japanese Toyota
JPJP2017067214 discloses the multistage automatic transmission of planetary gear construction mode, and there are four planets for the automatic transmission
Wheel group and six shift control elements.
Summary of the invention
The technical problem to be solved by the present invention is to overcome, there are more number of components in existing automatic transmission technology
Amount, complicated structure are especially difficult to provide the serial and good meshing efficiency of transmission ratio slightly progressive, that classification is intensive
Problem provides a kind of more gear vehicle automatic transmission.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization, it is described with reference to the drawings as follows:
The invention proposes a kind of automatic transmission unit, especially automatic speed changer for vehicle unit, the speed changers
Unit includes four planetary gear sets i.e. the first, second, third and fourth planetary gear being arranged before and after successive along main rotating shaft
Group；
Six shift switching elements, the shift switching element, which allows to be selectively engaged, realizes nine forward ranges and one
A reverse gear；
Input shaft and the common outside friction disc bracket of two clutches are connect relatively unrotatablely, then pass through two clutches
Device engages third planet carrier and the 4th sun gear respectively；
And power output shaft, the power output shaft connect with third gear ring, fourth planet wheel carrier relatively unrotatablely
It connects.Thus it can provide a kind of automatic transmission unit, the automatic transmission unit is more with gear quantity, classification is intensive and is driven
Range is enough, compact-sized.
Two components are interpreted as by the forms connection such as spline or rigidity for " connecting " relatively unrotatablely, make two
With equal angular speed when a component rotates.
" clutch " is especially interpreted as to be arranged for making two clutch element that can be rotatably set choosings
The unit that selecting property connects or separates relatively unrotatablely." brake " is especially interpreted as being arranged for making to turn
The unit that dynamic brake component and fixed cell especially case of transmission connects or separates selectively relatively unrotatablely.
For " the first, second, third and fourth planetary gear set speed changer being arranged before and after successive along main rotating shaft "
Especially it is interpreted as putting in order for four planetary gears under this meaning, these planetary gear set speed changers are with the arrangement
Sequence is arranged along main rotating shaft, wherein the first planetary gear set speed changer is advantageously towards input shaft farthest side, fourth line star-wheel
Speed changer is advantageously towards output shaft side.In addition, to put it more simply, for " first to fourth sun gear ", " first to fourth planet
Wheel carrier ", " first to fourth gear ring " are interpreted as being respectively configured to the sun gear or row of first to fourth planetary gear change group speed device
Star wheel frame or gear ring are for example interpreted as the first planetary wheel carrier the planetary wheel carrier of the first planetary gear set speed changer.
A kind of more gear vehicle automatic transmission, including be arranged in shell G four planetary gear sets, nine be able to rotate
Axis and six shift switching elements；
Four planetary gear sets be respectively the first planetary gear set P1, the second planetary gear set P2, the third line star-wheel group P3,
Fourth line star-wheel group P4；
Four planetary gear sets press first planetary gear set Pl, the second planetary gear set P2, third along end on observation
The sequence setting of planetary gear set P3, fourth planet gear set P4；
The first planetary gear set Pl includes the first sun gear P11, the first planetary wheel carrier P12 and the first gear ring P13；First
Planetary wheel carrier P12 guides the first planetary gear P14, the first planetary gear P14 can be on the first planetary wheel carrier P12 on circular orbit
Circular-rotation；First planetary gear P14 is meshed with the first sun gear P11 and with the first gear ring P13；
The second planetary gear set P2 includes the second sun gear P21, the second planetary wheel carrier P22 and the second gear ring P23；Second
Planetary wheel carrier P22 guides the second planetary gear P24, the second planetary gear P24 can be on the second planetary wheel carrier P22 on circular orbit
Circular-rotation；Second planetary gear P24 is meshed with the second sun gear P21 and with the second gear ring P23；
The third line star-wheel group P3 includes third sun gear P31, third planet wheel carrier P32 and third gear ring P33；Third
Planetary wheel carrier P32 guides the third line star-wheel P34 on circular orbit, and the third line star-wheel P34 can be on third planet wheel carrier P32
Circular-rotation；The third line star-wheel P34 is meshed with third sun gear P31 and with third gear ring P33；
The fourth line star-wheel group P4 includes the 4th sun gear P41, fourth planet wheel carrier P42 and the 4th gear ring P43；4th
Planetary wheel carrier P42 guides fourth line star-wheel P44 on circular orbit, and fourth line star-wheel P44 can be on fourth planet wheel carrier P42
Circular-rotation；It fourth line star-wheel P44 and the 4th sun gear P41 and is meshed with the 4th gear ring P43.
Nine axis being able to rotate are respectively input shaft 1, output shaft 2, third axis 3, the 4th axis 4, the 5th axis the 5, the 6th
Axis 6, the 7th axis 7, the 8th axis 8 and the 9th axis 9；
The output shaft 2 and third gear ring P33, fourth line carrier P42 are connect relatively unrotatablely；
The third axis 3 and the first sun gear P11, the second planet carrier P22 are connect relatively unrotatablely；
4th axis 4 and the second sun gear P21 are connect relatively unrotatablely；
5th axis 5 and the second gear ring P23, third sun gear P31 are connect relatively unrotatablely；
6th axis 6 and third planet carrier P32 are connect relatively unrotatablely；
7th axis 7 and the 4th gear ring P43 of the first gear ring P13 are connect relatively unrotatablely；
8th axis 8 and the 4th sun gear P41 are connect relatively unrotatablely；
9th axis 9 and first planet carrier P12 are connect relatively unrotatablely.
Six shift switching elements are made of two brakes and four clutches, and two brakes are respectively
First brake B1, second brake B2, four clutches are respectively first clutch C1, second clutch C2, third
Clutch C3 and the 4th clutch C4；
Six shifts switching element is selectively engaged so that obtaining between input shaft 1 and output shaft 2 different
Transmission ratio, to be able to achieve nine forward gears and one reverses gear；
First brake B1 is that transfer device is refused in steerable torsion, selectively to connect the third axis 3 and shell G
It picks up and；
Second brake B2 is that transfer device is refused in steerable torsion, selectively to connect the 4th axis 4 and shell G
It picks up and；
First clutch C1 is that transfer device is refused in steerable torsion, selectively by the input shaft 1 and the 6th axis 6
It connects；
Second clutch C2 is that transfer device is refused in steerable torsion, selectively by the input shaft 1 and the 8th axis 8
It connects；
Third clutch C3 is that transfer device is refused in steerable torsion, selectively by the 4th axis 4 and the 9th axis 9
It connects；
4th clutch C4 is that transfer device is refused in steerable torsion, selectively by the 6th axis 6 and the 9th axis 9
It connects.
First brake B1 described in technical solution includes that the first brake a element B11, second brake B2 includes second
Brake a element B21；
The first clutch C1 includes first clutch a element C11 and first clutch b element C12, second clutch
C2 includes second clutch a element C21 and second clutch b element C22, third clutch C3 include third clutch a element
C31 and third clutch b element C32, the 4th clutch C4 include the 4th clutch a element C41 and the 4th clutch b element
C42。
When being provided with the first brake B1 and being manipulated, make and the relatively unrotatable institute that connect of ground of the third axis 3
The first brake a element B11 and shell G is stated to connect；When being provided with the second brake B2 and being manipulated, make and described
The second brake a element B21 and shell G that four axis 4 connect relatively unrotatablely are connected；
When being provided with the first clutch C1 and being manipulated, make and the relatively unrotatable institute that connect of ground of the 6th axis 6
State first clutch a element C11 and with the relatively unrotatable first clutch b element C12 that connect of ground of the input shaft 1
It connects；When being provided with the second clutch C2 and being manipulated, make and the relatively unrotatable institute that connect of ground of the 8th axis 8
State second clutch a element C21 and with the relatively unrotatable second clutch b element C22 that connect of ground of the input shaft 1
It connects；When being provided with the third clutch C3 and being manipulated, make and the relatively unrotatable institute that connect of ground of the 9th axis 9
State third clutch a element C31 and with the relatively unrotatable third clutch b element C32 that connect of ground of the 4th axis 4
It connects；When being provided with the 4th clutch C4 and being manipulated, make and the relatively unrotatable institute that connect of ground of the 9th axis 9
State the 4th clutch a element C41 and with relatively unrotatable the 4th clutch b element C42 that connect of ground of the 6th axis 6
It connects.
Input shaft 1 described in technical solution cannot be opposite with first clutch b element C12, second clutch b element C22
Rotationally connect.
Pass through the first brake B1 of closure, second brake B2, second clutch C2 and third clutch in technical solution
C3 obtains the first forward gear, passes through closure second brake B2, second clutch C2, third clutch C3 and the 4th clutch C4
The second forward gear is obtained, is obtained by the first brake B1 of closure, second clutch C2, third clutch C3 and the 4th clutch C4
To third forward gear, obtained by closure first clutch C1, second clutch C2, third clutch C3 and the 4th clutch C4
4th forward gear obtains the by closure second brake B2, first clutch C1, second clutch C2 and the 4th clutch C4
Five forward gears obtain the 6th by the first brake B1 of closure, first clutch C1, second clutch C2 and the 4th clutch C4
Forward gear, before obtaining the 7th by the first brake B1 of closure, second brake B2, first clutch C1 and the 4th clutch C4
Into gear, the 8th advance is obtained by the first brake B1 of closure, first clutch C1, third clutch C3 and the 4th clutch C4
Gear obtains the 9th advance by the first brake B1 of closure, first clutch C1, second clutch C2 and third clutch C3
Gear, and reversed gear by closure second brake B2, first clutch C1, second clutch C2 and third clutch C3.
First planetary gear set Pl described in technical solution, the second planetary gear set P2, third planet gear set P3, the 4th
Planetary gear set P4 is configured to negative ratio epicyclic gear group.
First clutch C1 described in technical solution and second clutch C2 are arranged to have a common outside friction disc branch
The chip shift switching element of frame；
The first brake B1, second brake B2, first clutch C1, second clutch C2, third clutch C3
It is constructed to be permeable to the shift switching element switched as needed with the 4th clutch C4, especially electromechanics and/or electro-hydraulic shift is cut
Change element.
Compared with prior art the beneficial effects of the present invention are:
The present invention can provide nine forward gears and one reverses gear, have that gear quantity is more, classification is good and transmission ratio intensively,
Advantage compact-sized, transmission efficiency is high, the load of each element is small, while reducing the number of components and making its weight and production cost
It minimizes.
Detailed description of the invention
The present invention will be further described below with reference to the drawings:
Fig. 1 is the explanatory view of automatic transmission unit according to one embodiment of present invention；
In figure:
G shell；
1 input shaft；
2 output shafts；
3 third axis；
4 the 4th axis；
5 the 5th axis；
6 the 6th axis；
7 the 7th axis；
8 the 8th axis；
9 the 9th axis；
The first brake of B1；
B2 second brake；
C1 first clutch；
C2 second clutch；
C3 third clutch；
The 4th clutch of C4；
P1 first planetary gear set；
The second planetary gear set of P2；
P3 third planet gear set；
P4 fourth planet gear set；
The first sun gear of P11；
P12 first planet carrier；
The first gear ring of P13；
The first planetary gear of P14；
The second sun gear of P21；
The second planet carrier of P22；
The second gear ring of P23；
The second planetary gear of P24；
P31 third sun gear；
P32 third planet carrier；
P33 third gear ring；
P34 the third line star-wheel；
The 4th sun gear of P41；
P42 fourth line carrier；
The 4th gear ring of P43；
P44 fourth line star-wheel；
B11 the first brake a element；
B21 second brake a element；
C11 first clutch a element；
C12 first clutch b element；
C21 second clutch a element；
C22 second clutch b element；
C31 third clutch a element；
C32 third clutch b element；
The 4th clutch a element of C41；
The 4th clutch b element of C42；
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing:
Fig. 1 shows one embodiment of an automatic transmission unit, which is configured to motor vehicle
Automatic transmission unit.There are four planetary gear set Pl, P2, P3, P4 for automatic transmission unit tool.First planetary gear set Pl, second
Planetary gear set P2, the third line star-wheel group P3 and fourth line star-wheel group P4 are arranged along main rotating shaft before and after successive.Fluid drive
Whole planetary gear set Pl, P2, P3, P4 of device unit have negative transmission ratio planetary wheel group.There are six shifts for gearbox unit tool
Switching element B1, B2, C1, C2, C3, C4.These shift switching elements are arranged for conversion just nine advance fluid drive
Device gear Vl, V2, V3, V4, V5, V6, V7, V8, V9 and VR that reverses gear.But only eight advances also can be used in automatic transmission unit
Transmission gear carrys out work, such as by not converting the first advance transmission gear Vl or the 9th advance transmission gear V9.
Automatic transmission unit be arranged for making the driving machine of motor vehicle not being shown specifically and motor vehicle not in detail
The driving wheel connection shown.The gear ratio between driving machine and driving wheel is adjusted by means of gearbox unit.Gearbox unit
It can be connect with combination drive module, driving moment can be changed by means of the combination drive module.In addition, by means of combined drive dynamic model
Block and gearbox unit can realize CVT, thus can realize a gear ratio at least can in regional area step-less adjustment speed change
Device unit.
Automatic transmission unit has input shaft 1, which is arranged for for driving moment being introduced into speed changer list
In member.A module not being shown specifically can be connected in input shaft 1, which should especially be arranged for providing starting function
Energy.Torque-converters or wet type start clutch are for example contemplated that as the module for being connected to front.But it can also will be set in principle
Module for starting is integrated in gearbox unit such as is come using one of clutch unit B1, B2, C1, C2, C3, C4
Starting.
In addition, automatic transmission unit have power output shaft 2, the power output shaft be arranged for by driving moment from
Gearbox unit is drawn.Power output shaft 2 is arranged for connecting with the driving wheel of motor vehicle.It can be behind power output shaft 2
Connecting a module not being shown specifically --- the torque drawn from automatic transmission unit can be by means of the module assignment to drive
Driving wheel, such as be arranged for compensating the planetary gear of the rotational speed difference between driving wheel, or driving moment is distributed to
The a11wheel drive unit of two different input shafts.Power input shaft 1 and power output shaft 2 can arbitrarily be set opposite to each other in principle
It sets.Herein, it may be particularly advantageous to be placed coaxially on the same side of automatic transmission unit, but also it is contemplated that being arranged in speed changer
The two sides opposite each other of unit.
First planetary gear set P1 setting is in input farthest side.First planetary gear set Pl has single-stage planetary wheel group.Single-stage row
Star-wheel group includes the first sun gear P11, the first planetary wheel carrier P12 and the first gear ring P13.Planetary wheel carrier P12 is on circular orbit
Guide planetary gear P14.Planetary gear P14 is meshed with sun gear P11 and with gear ring P13.Planetary gear P14 can be in planetary wheel carrier
The upper circular-rotation of P12.Characteristic coefficient (planetary gear set fixed drive ratio) K1=-2.3 of first planetary gear set Pl.
Second planetary gear set P2 is arranged in centre in input side.Second planetary gear set P2 has single-stage planetary wheel group.Single-stage
Planetary gear set includes the second sun gear P21, the second planetary wheel carrier P22 and the second gear ring P23.Planetary wheel carrier P22 is in circular orbit
Upper guidance planetary gear P24.Planetary gear P24 is meshed with sun gear P21 and with gear ring P23.Planetary gear P24 can be in planetary wheel carrier
The upper circular-rotation of P22.Characteristic coefficient (planetary gear set fixed drive ratio) K2=-1.62 of second planetary gear set P2.
The third line star-wheel group P3 is arranged in centre in outlet side.The third line star-wheel group P3 has single-stage planetary wheel group.Single-stage
Planetary gear set includes third sun gear P31, third planet wheel carrier P32 and third gear ring P33.Planetary wheel carrier P32 is in circular orbit
Upper guidance planetary gear P34.Planetary gear P34 is meshed with sun gear P31 and with gear ring P33.Planetary gear P34 can be in planetary wheel carrier
The upper circular-rotation of P32.Characteristic coefficient (planetary gear set fixed drive ratio) K3=-2.3 of the third line star-wheel group P3.
Fourth planet wheel speed P4 is arranged in outlet side.Fourth line star-wheel group P4 has single-stage planetary wheel group.Single-stage row
Star-wheel group includes the 4th sun gear P41, fourth planet wheel carrier P42 and the 4th gear ring P43.Planetary wheel carrier P42 is on circular orbit
Guide planetary gear P44.Planetary gear P44 is meshed with sun gear P41 and with gear ring P43.Planetary gear P44 can be in planetary wheel carrier
The upper circular-rotation of P42.Characteristic coefficient (planetary gear set fixed drive ratio) K4=-1.96 of fourth line star-wheel group P4.
Two brake units B1, B2 be configured to brake unit and respectively only have a brake a element B11,
B21.When brake B1, B2 are manipulated respectively, brake a element B11, B21 are connect with case of transmission respectively, make brake
The angular speed of a element rotation is zero.
Four clutches C1, C2, C3, C4 are configured to clutch unit.These clutches are respectively provided with one rotatably
Clutch a element C11, C21, C31, C41 and rotatable clutch b element C12, C22, C32, a C42.Two clutches
A element C11, C21 are connected each other relatively unrotatablely, collectively constitute outside friction disc bracket.When clutch C1, C2, C3, C4 quilt
When manipulation, clutch a element C11, C21, C31, C41 and second clutch b element C12, C22, C32, C42 are connected, and two
Element has equal angular velocity of rotation.
Multi-speed automatic transmission of the present invention as shown in Figure 1, including four planetary gear sets being arranged in a shell G
Pl, P2, P3, P4 and the axis 1,2,3,4,5,6,7,8,9 being able to rotate including a total of nine and six shift switching element B1,
B2,C1,C2,C3,C4.Shift switching element includes that two brakes B1, B2 and four clutches C1, C2, C3, C4, shift are cut
Element is changed to be selectively engaged so that different transmission ratios is obtained between input shaft 1 and output shaft 2, thus before being able to achieve nine
It reverses gear into gear and one, wherein input shaft 1 is releasably connect via first clutch C1 with the 6th axis 6, the 6th axis and the
Three planet carrier P32 connections；Input shaft 1 is releasably connect via second clutch C2 with the 8th axis 8, and the 8th axis and the 4th is too
Sun wheel P41 connection；Third axis 3 is connected on shell G via the first brake B1, the third axis and the first sun gear P11 and
Two planet carrier P22 connections；4th axis 4 is connected on shell G via second brake B2, the 4th axis and the second sun gear P21
Connection；The 9th axis 9 connecting with first planet carrier P12 is releasably connect via third clutch C3 with the 4th axis 4, and the 9th
Axis 9 is releasably connect via the 4th clutch C4 with the 6th axis；7th axis 7 is connect with the first gear ring P13, the 4th gear ring P43；
5th axis 5 is connect with the second gear ring P23, third sun gear P31；Output shaft 2 and third gear ring P33, fourth line carrier P42 connect
It connects.
As shown in Figure 1, input shaft first axle 1 and first clutch b element C12, second clutch b element C22 cannot phases
To rotationally connecting, the second axis of output shaft 2 and third gear ring P33, fourth line carrier P42 are connect relatively unrotatablely, third
Axis 3 and the first sun gear P11, the second planet carrier P22, the first brake a element B11 are connect relatively unrotatablely, the 4th axis 4
With the second sun gear P21, third clutch b element C32, second brake a element B21 it is relatively unrotatable connect, the 5th
Axis 5 and the second gear ring P23, third sun gear P31 are connect relatively unrotatablely, the 6th axis 6 and third planet carrier P32, first
Clutch a element C11, the 4th clutch b element C42 are connected relatively unrotatablely, the 7th axis 7 and the first gear ring P13, the 4th
Gear ring P43 is connected relatively unrotatablely, and the 8th axis 8 and the 4th sun gear P41, second clutch a element C21 opposite cannot turn
It connects dynamicly, the 9th axis 9 and first planet carrier P12, third clutch a element C31, the 4th clutch a element C41 cannot be opposite
Rotationally connect.
The illustrative shift logic, each gear transmission ratio and transmission of the multi-speed automatic transmission according to Fig. 1 is shown in table 1
Than interval.Only need to be closed four shift switching elements for each gear.It is obtained from the shift schematic diagram property of can be exemplified
Ratio step (is kept off in other words for the shift jump of the respective transmission ratio of each gear and the gear higher downwards that can be thereby determined that
Position between transmission ratio ratio), numerical value be total up to 5.48 be speed changer ratio coverage."×" indicates clutch, system in table 1
Dynamic device is manipulated.
Table 1
Seen from table 1, when sequence shifts gears mode, two adjacent gears must only connect a shift switching element respectively
With one switching element of disconnection, the other three shift switching element connection situation is constant, that is, shares three when changing to adjacent gear
Shift switching element.Furthermore lesser shift jump and intensive gear range are able to achieve when as it can be seen that shifting gears.
First is obtained by the first brake B1 of closure, second brake B2, second clutch C2 and third clutch C3
Forward gear, before obtaining second by closure second brake B2, second clutch C2, third clutch C3 and the 4th clutch C4
Into gear, third is obtained by the first brake B1 of closure, second clutch C2, third clutch C3 and the 4th clutch C4 and is advanced
Gear obtains the 4th advance by closure first clutch C1, second clutch C2, third clutch C3 and the 4th clutch C4
Gear obtains the 5th advance by closure second brake B2, first clutch C1, second clutch C2 and the 4th clutch C4
Gear obtains the 6th advance by the first brake B1 of closure, first clutch C1, second clutch C2 and the 4th clutch C4
Gear obtains the 7th advance by the first brake B1 of closure, second brake B2, first clutch C1 and the 4th clutch C4
Gear obtains the 8th advance by the first brake B1 of closure, first clutch C1, third clutch C3 and the 4th clutch C4
Gear obtains the 9th advance by the first brake B1 of closure, first clutch C1, second clutch C2 and third clutch C3
Gear, and reversed gear by closure second brake B2, first clutch C1, second clutch C2 and third clutch C3.
According to the present invention, even if in identical speed changer schematic diagram depending on shift logic it is different different biographies can be obtained
Dynamic ratio interval, to can realize applied to the specific variant schemes of specific or vehicle.
In addition, optionally providing according to the present invention, it is arranged on the suitable position of each of multi-speed automatic transmission additional
One-way clutch, such as in order to one between axis and shell connection or optionally connect two axis.
In input shaft side or output shaft side, settable axle differential and/or Verteilerdifferential.
In the range of one kind of the present invention is advantageously improved scheme, input shaft 1 can pass through a clutching member as required
It is separated with drive motor, fluid torque-converter, hydraulic clutch, dry launch clutch, wet type can be used as clutching member
Starting clutch, magnetic powder cluth or centrifugal clutch.This initiating element can also become along direction of power flows setting
Below fast device, input shaft 1 is fixedly connected with the crankshaft of drive motor in this case.
In addition, multi-speed automatic transmission according to the present invention allows for torsion vibration absorber to be arranged in drive motor and speed changer
Between.
In the range of another unshowned embodiment of the invention, can on each axle, preferably in input shaft 1 or
Brake, such as fluid pressure type or electrodynamic retarder or the like without abrasion are set on output shaft 2, this is especially for used in quotient
It is of great significance in vehicle.In addition, in order to drive additional unit can be in each axis, preferably in input shaft 1 or output shaft 2
Upper setting auxiliary drive device.
Used frictional shift switching element is configured to the clutch or brake of powershift.Especially
The clutch or brake, such as lamella clutch, band brake and/or cone clutch of force closure can be used.
Herein proposed by multi-speed automatic transmission another advantage is that on each axle it is mountable be used as generator
And/or the motor as additional drive system.
Claims (6)
1. a kind of more gear vehicle automatic transmission, it is characterised in that: including be arranged four planetary gear sets in shell (G),
Nine axis being able to rotate and six shift switching elements；
Four planetary gear sets are respectively the first planetary gear set (P1), the second planetary gear set (P2), the third line star-wheel group
(P3), fourth line star-wheel group (P4)；
Four planetary gear sets press first planetary gear set (Pl), the second planetary gear set (P2), third along end on observation
Planetary gear set (P3), the setting of the sequence of fourth planet gear set (P4)；
First planetary gear set (Pl) includes the first sun gear (P11), the first planetary wheel carrier (P12) and the first gear ring (P13)；
First planetary wheel carrier (P12) guides the first planetary gear (P14) on circular orbit, and the first planetary gear (P14) can be in the first row
Circular-rotation on star wheel frame (P12)；First planetary gear (P14) is mutually nibbled with the first sun gear (P11) and with the first gear ring (P13)
It closes；
Second planetary gear set (P2) includes the second sun gear (P21), the second planetary wheel carrier (P22) and the second gear ring (P23)；
Second planetary wheel carrier (P22) guides the second planetary gear (P24) on circular orbit, and the second planetary gear (P24) can be in the second row
Circular-rotation on star wheel frame (P22)；Second planetary gear (P24) is mutually nibbled with the second sun gear (P21) and with the second gear ring (P23)
It closes；
The third line star-wheel group (P3) includes third sun gear (P31), third planet wheel carrier (P32) and third gear ring (P33)；
Third planet wheel carrier (P32) guides the third line star-wheel (P34) on circular orbit, and the third line star-wheel (P34) can be in the third line
Circular-rotation on star wheel frame (P32)；The third line star-wheel (P34) is mutually nibbled with third sun gear (P31) and with third gear ring (P33)
It closes；
The fourth line star-wheel group (P4) includes the 4th sun gear (P41), fourth planet wheel carrier (P42) and the 4th gear ring (P43)；
Fourth planet wheel carrier (P42) guides fourth line star-wheel (P44) on circular orbit, and fourth line star-wheel (P44) can be in fourth line
Circular-rotation on star wheel frame (P42)；Fourth line star-wheel (P44) is mutually nibbled with the 4th sun gear (P41) and with the 4th gear ring (P43)
It closes；
Nine axis being able to rotate are respectively input shaft (1), output shaft (2), third axis (3), the 4th axis (4), the 5th axis
(5), the 6th axis (6), the 7th axis (7), the 8th axis (8) and the 9th axis (9)；
The output shaft (2) and third gear ring (P33), fourth line carrier (P42) are connect relatively unrotatablely；
The third axis (3) and the first sun gear (P11), the second planet carrier (P22) are connect relatively unrotatablely；
4th axis (4) and the second sun gear (P21) are connect relatively unrotatablely；
5th axis (5) and the second gear ring (P23), third sun gear (P31) are connect relatively unrotatablely；
6th axis (6) and third planet carrier (P32) are connect relatively unrotatablely；
7th axis (7) and the 4th gear ring (P43) of the first gear ring (P13) are connect relatively unrotatablely；
8th axis (8) and the 4th sun gear (P41) are connect relatively unrotatablely；
9th axis (9) and first planet carrier (P12) are connect relatively unrotatablely；
Six shift switching elements are made of two brakes and four clutches, and two brakes are respectively first
Brake (B1), second brake (B2), four clutches be respectively first clutch (C1), second clutch (C2),
Third clutch (C3) and the 4th clutch (C4)；
Six shifts switching element is selectively engaged so that obtaining between input shaft (1) and output shaft (2) different
Transmission ratio, to be able to achieve nine forward gears and one reverses gear；
First brake (B1) is that transfer device is refused in steerable torsion, selectively by the third axis (3) and shell (G)
It connects；
Second brake (B2) is that transfer device is refused in steerable torsion, selectively by the 4th axis (4) and shell (G)
It connects；
First clutch (C1) is that transfer device is refused in steerable torsion, selectively by the input shaft (1) and the 6th axis
(6) it connects；
Second clutch (C2) is that transfer device is refused in steerable torsion, selectively by the input shaft (1) and the 8th axis
(8) it connects；
Third clutch (C3) is that transfer device is refused in steerable torsion, selectively by the 4th axis (4) and the 9th axis
(9) it connects；
4th clutch (C4) is that transfer device is refused in steerable torsion, selectively by the 6th axis (6) and the 9th axis
(9) it connects.
2. a kind of more gear vehicle automatic transmission according to claim 1, it is characterised in that:
First brake (B1) includes the first brake a element (B11), and second brake (B2) includes second brake a
Element (B21)；
The first clutch (C1) includes first clutch a element (C11) and first clutch b element (C12), the second clutch
Device (C2) includes second clutch a element (C21) and second clutch b element (C22), third clutch (C3) include third from
Clutch a element (C31) and third clutch b element (C32), the 4th clutch (C4) include the 4th clutch a element (C41) and
4th clutch b element (C42)；
When being provided with first brake (B1) and being manipulated, make and the relatively unrotatable institute that connect of ground of the third axis (3)
It states the first brake a element (B11) and shell (G) connects；When being provided with the second brake (B2) and being manipulated, make with
The second brake a element (B21) and shell (G) that 4th axis (4) connects relatively unrotatablely connect；
When being provided with the first clutch (C1) and being manipulated, make and the relatively unrotatable institute that connect of ground of the 6th axis (6)
State first clutch a element (C11) and with the input shaft (1) it is relatively unrotatable connect the first clutch b member
Part (C12) connects；When being provided with the second clutch (C2) and being manipulated, make opposite to turn with the 8th axis (8)
The second clutch a element (C21) that connects dynamicly and with the input shaft (1) it is relatively unrotatable connect described
Two clutch b elements (C22) connect；When being provided with the third clutch (C3) and being manipulated, make and the 9th axis (9)
The third clutch a element (C31) that connects relatively unrotatablely and with the 4th axis (4) it is relatively unrotatable even
The third clutch b element (C32) connect connects；When being provided with the 4th clutch (C4) and being manipulated, make and institute
State the 4th clutch a element (C41) that the 9th axis (9) connects relatively unrotatablely and cannot with the 6th axis (6)
The 4th clutch b element (C42) connected in relative rotation connects.
3. a kind of more gear vehicle automatic transmission according to claim 1, it is characterised in that: the input shaft (1) and the
One clutch b element (C12), second clutch b element (C22) connect relatively unrotatablely.
4. a kind of more gear vehicle automatic transmission according to claim 1, it is characterised in that:
It is obtained by closure the first brake (B1), second brake (B2), second clutch (C2) and third clutch (C3)
First forward gear passes through closure second brake (B2), second clutch (C2), third clutch (C3) and the 4th clutch
(C4) the second forward gear is obtained, by being closed the first brake (B1), second clutch (C2), third clutch (C3) and the 4th
Clutch (C4) obtains third forward gear, by being closed first clutch (C1), second clutch (C2), third clutch (C3)
The 4th forward gear is obtained with the 4th clutch (C4), by being closed second brake (B2), first clutch (C1), the second clutch
Device (C2) and the 4th clutch (C4) obtain the 5th forward gear, pass through closure the first brake (B1), first clutch (C1), the
Two clutches (C2) and the 4th clutch (C4) obtain the 6th forward gear, by being closed the first brake (B1), second brake
(B2), first clutch (C1) and the 4th clutch (C4) obtain the 7th forward gear, by being closed the first brake (B1), first
Clutch (C1), third clutch (C3) and the 4th clutch (C4) obtain the 8th forward gear, by being closed the first brake
(B1), first clutch (C1), second clutch (C2) and third clutch (C3) obtain the 9th forward gear, and pass through closure
Second brake (B2), first clutch (C1), second clutch (C2) and third clutch (C3) are reversed gear.
5. a kind of more gear vehicle automatic transmission according to claim 1, it is characterised in that: the first planetary gear set
(Pl), the second planetary gear set (P2), third planet gear set (P3), fourth planet gear set (P4) are configured to negative transmission ratio row
Star gear set.
6. a kind of more gear vehicle automatic transmission according to claim 1, it is characterised in that: first brake
(B1), second brake (B2), first clutch (C1), second clutch (C2), third clutch (C3) and the 4th clutch
(C4) it is constructed to be permeable to the shift switching element switched as needed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504556.9A CN109340329B (en) | 2018-12-10 | 2018-12-10 | Multi-gear automatic transmission of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504556.9A CN109340329B (en) | 2018-12-10 | 2018-12-10 | Multi-gear automatic transmission of automobile |
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| CN109340329A true CN109340329A (en) | 2019-02-15 |
| CN109340329B CN109340329B (en) | 2023-01-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013155809A (en) * | 2012-01-30 | 2013-08-15 | Toyota Motor Corp | Transmission |
| DE102013225770A1 (en) * | 2013-09-20 | 2015-03-26 | Zf Friedrichshafen Ag | Multi-stage automatic transmission |
| US20150087473A1 (en) * | 2013-09-20 | 2015-03-26 | Ford Global Technologies, Llc | Multi-speed transmission |
| CN205064722U (en) * | 2015-08-20 | 2016-03-02 | 肇庆学院 | Nine grades of automatic gearbox |
-
2018
- 2018-12-10 CN CN201811504556.9A patent/CN109340329B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013155809A (en) * | 2012-01-30 | 2013-08-15 | Toyota Motor Corp | Transmission |
| DE102013225770A1 (en) * | 2013-09-20 | 2015-03-26 | Zf Friedrichshafen Ag | Multi-stage automatic transmission |
| US20150087473A1 (en) * | 2013-09-20 | 2015-03-26 | Ford Global Technologies, Llc | Multi-speed transmission |
| CN205064722U (en) * | 2015-08-20 | 2016-03-02 | 肇庆学院 | Nine grades of automatic gearbox |
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| Publication number | Publication date |
|---|---|
| CN109340329B (en) | 2023-01-10 |
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