CN106609818A - Automatic transmission and automobile - Google Patents
Automatic transmission and automobile Download PDFInfo
- Publication number
- CN106609818A CN106609818A CN201510708567.9A CN201510708567A CN106609818A CN 106609818 A CN106609818 A CN 106609818A CN 201510708567 A CN201510708567 A CN 201510708567A CN 106609818 A CN106609818 A CN 106609818A
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- China
- Prior art keywords
- clutch
- gear
- carrier
- planet
- sun gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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 provides an automatic transmission and an automobile, and aims at preventing a transmission performing element from being damaged. The automatic transmission comprises an input shaft, an output shaft, four planetary gear mechanisms and a fixed performing part, wherein a first sun gear is fixedly connected with a transmission housing; a first planetary carrier is connected with the input shaft through a first clutch; a second sun gear is connected with the input shaft through a second clutch; a second planetary carrier is fixedly connected with a first gear ring; a second gear ring is connected with the first planetary carrier through a third clutch; a third sun gear is fixedly connected with a second gear ring; a third planetary carrier is connected with the output shaft; a third gear ring is connected with the transmission housing through a first brake; a fourth sun gear is fixedly connected with the third sun gear; a fourth planetary carrier is connected with the input shaft; a fourth gear ring is connected with the third planetary carrier and the output shaft through a fourth clutch; the fixed performing part is connected with the first planetary carrier; when the fixed performing parts runs, the first planetary gear mechanism is fixed.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of automatic transmission and automobile.
Background technology
Automatic transmission is typically using oil pump, oil circuit loop, clutch, planetary gears, Duo Ge electricity
The parts such as magnet valve realize fluid drive, be people car steering bring light simplicity control impression.Mesh
Before, people are researched and developed to the automatic transmission with multiple forward gears, and for example, nine gears become
Fast device or ten shift transmissions.
At present, for example for nine speed automatic transmissions, as shown in figure 1, generally including four single planets
Gear mechanism and multiple speed change executive components (such as brake and clutch), wherein, first planet gear
First sun gear 11 of mechanism 10 is connected with input shaft 61 by first clutch 53, and the first sun gear
11 are connected with case of transmission by the first brake 51；Second sun gear of the second planetary gears 20
21 are fixedly connected with the first gear ring 13 of first planet gear mechanism 10, and the second sun gear 21 is by the
Two clutches 54 are connected with input shaft 61, the second planet carrier 22 and first of the second planetary gears 20
The first row carrier 12 of planetary gears 10 is fixedly connected, the second gear ring of the second planetary gears 20
23 are connected with case of transmission by second brake 52；The third line carrier of third planet gear mechanism 30
32 are connected with input shaft 61 by the 4th clutch 56, the 3rd gear ring 33 of third planet gear mechanism 30
It is fixedly connected with the second planet carrier 22；4th sun gear 41 of fourth planet gear mechanism 40 and third planet
3rd sun gear 31 of gear mechanism 30 is fixedly connected, and the 3rd sun gear of fourth planet gear mechanism 40
41 are connected with case of transmission by the 3rd clutch 55, the fourth line carrier of fourth planet gear mechanism 40
42 are connected with output shaft 62, the 4th gear ring 43 and the third planet gear mechanism of fourth planet gear mechanism 40
The third line carrier 32 of structure 30 is fixedly connected.
By carrying out finding after principle analysis to above-mentioned automatic transmission, Fig. 2, changing automatic speed-variator are referred to
During gear, as the structure design of automatic transmission is unreasonable, cause the speed discrepancy at the two ends of speed change executive component
Larger, especially in Fig. 1, the speed discrepancy at 55 two ends of the 3rd clutch is larger, causes variator executive component to hold
It is vulnerable to damage.
The content of the invention
In view of this, it is contemplated that proposing a kind of automatic transmission, to solve in existing automatic transmission
The speed discrepancy at the two ends of speed change executive component is higher and causes the technology that speed change executive component is easily damaged to be asked
Topic.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of automatic transmission, including：Input shaft, output shaft, first planet gear mechanism, the second planet
Gear mechanism, third planet gear mechanism, fourth planet gear mechanism and fixed executive item, wherein,
The first planet gear mechanism includes the first sun gear, the first row carrier and the first gear ring, described
One sun gear is fixedly connected with speed change housing, and the first row carrier passes through first clutch and the input shaft
Connection；
Second planetary gears includes the second sun gear, the second planet carrier and the second gear ring, described
Two sun gears are connected with the input shaft by second clutch, second planet carrier and first gear ring
It is fixedly connected, second gear ring is connected with the first row carrier by the 3rd clutch；
The third planet gear mechanism includes the 3rd sun gear, the third line carrier and the 3rd gear ring, described
Three sun gears are fixedly connected with second gear ring, and the third line carrier is connected with the output shaft, described
3rd gear ring is connected with the case of transmission by the first brake；
The fourth planet gear mechanism includes the 4th sun gear, fourth line carrier and the 4th gear ring, described
Four sun gears are fixedly connected with the 3rd sun gear, and the fourth line carrier is connected with the input shaft, institute
State the 4th gear ring to be connected with the third line carrier and the output shaft by the 4th clutch respectively；
The fixed executive item is connected with the first row carrier, when the fixed executive item works, described the
One planetary gears is fixed.
Further, the fixed executive item be second brake, the first row carrier pass through described second
Brake is connected with the case of transmission.
Further, the fixed executive item be the 5th clutch, the first row carrier pass through the described 5th
Clutch is connected with first gear ring.
Further, the first planet gear mechanism, second planetary gears, described the third line
Star gear mechanism and the fourth planet gear mechanism are simple planetary arrangement, and the first planet
Gear mechanism, second planetary gears, the third planet gear mechanism and the fourth planet tooth
Wheel mechanism is set gradually along the axial direction of the input shaft.
Further, the third planet gear mechanism and the fourth planet gear mechanism share a sun
Wheel.
Further, the axis of the output shaft is located along the same line with the axis of the input shaft.
Relative to prior art, automatic transmission of the present invention has following advantage：
In the automatic transmission that the present invention is provided, on the one hand, the input of automatic transmission includes the first row
Carrier, the second sun gear and fourth line carrier, wherein, the first row carrier by first clutch directly with it is defeated
Enter axle connection, the first row carrier is connected with the second gear ring by the 3rd clutch, and the second sun gear passes through second
Clutch is directly connected with input shaft, and is not connected with other rotary elements in automatic transmission, fourth planet
Frame is directly connected with input shaft, and is not connected with other rotary elements in automatic transmission；Automatic transmission
Outfan includes the third line carrier and the 4th gear ring, wherein, the third line carrier is directly connected with output shaft, and
It is not connected with other rotary elements in automatic transmission；4th gear ring is connected with output shaft by the 4th clutch,
And be not connected with other rotary elements in automatic transmission.Therefore, by first clutch, the second clutch
The working condition of device and the 4th clutch is adjusted, even if first clutch, second clutch and
Four clutches are combined or are disconnected, and the input and outfan of automatic transmission are adjusted, and are changed and are become automatically
The power transmission line of fast device, to balance the rotating speed of each planetary gears, prevents automatic transmission shift
Speed discrepancy in front and back between each rotary element of planetary gears is too high, so prevent first clutch,
The speed discrepancy at second clutch and the 4th clutch two ends is higher.
On the other hand, in the automatic transmission that the present invention is provided, the first row carrier passes through the 3rd clutch and the
Two gear rings connect, and the fixed executive item for fixing first planet gear mechanism is connected with the first row carrier,
First gear ring is fixedly connected with the second planet carrier, and the second gear ring, the 3rd sun gear and the 4th sun gear three are solid
Fixed to connect, the 3rd gear ring is connected with case of transmission by the first brake.Therefore, by braking to first
The working condition of device, the 3rd clutch and fixed executive item is adjusted, with motivation of adjustment in fluid drive
Transfer route in device, further balances the rotating speed of each planetary gears, prevents automatic transmission shift
Speed discrepancy in front and back between each rotary element of planetary gears is too high, so prevent the first brake,
The speed discrepancy at the 3rd clutch and fixed executive item two ends is higher.
Therefore, by arranging three inputs and two outfans, and the first brake, the first clutch are passed through
Device, second clutch, the 3rd clutch, the 4th clutch and fixed executive item cooperate, can be with
The rotating speed of preferable each planetary gears that must be balanced in automatic transmission, before preventing automatic transmission shift
Speed discrepancy afterwards between each rotary element of planetary gears is too high, and then reduces each speed change and perform unit
The speed discrepancy at part two ends, so as to prevent variator executive component to be damaged.
Another object of the present invention is to propose a kind of automobile, held with solving speed change in existing automatic transmission
The speed discrepancy at the two ends of units is higher and the technical problem that causes speed change executive component to be easily damaged.For
Above-mentioned purpose is reached, the technical scheme is that what is be achieved in that：
A kind of automobile, the automobile are provided with the automatic transmission as described in above-mentioned technical scheme.
The automobile is had the advantage that identical relative to prior art with above-mentioned automatic transmission, and here is no longer
Repeat.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, and the present invention's shows
Meaning property embodiment and its illustrated for explaining the present invention, does not constitute inappropriate limitation of the present invention.In accompanying drawing
In：
Fig. 1 is a kind of structural representation of automatic transmission of the prior art；
Fig. 2 is operated in the rotating speed at each clutch and each brake two ends during each gear for automatic transmission in Fig. 1
Differential is intended to；
Fig. 3 is a kind of structural representation of the automatic transmission described in the embodiment of the present invention；
Fig. 4 is operated in the working condition of each clutch and each brake during each gear for automatic transmission in Fig. 3
Schematic diagram；
Fig. 5 is operated in the rotating speed at each clutch and each brake two ends during each gear for automatic transmission in Fig. 3
Differential is intended to；
Fig. 6 is the structural representation of another kind of automatic transmission described in the embodiment of the present invention；
Fig. 7 is each clutch when each gear works in Fig. 6 and the working state schematic representation of each brake.
Description of reference numerals：
10- first planet gear mechanisms, the second planetary gears of 20-,
30- third planet gear mechanisms, 40- fourth planet gear mechanisms,
The first sun gears of 11-, 12- the first row carrier,
The first gear rings of 13-, the second sun gears of 21-,
The second planet carriers of 22-, the second gear rings of 23-,
The 3rd sun gears of 31-, 32- the third line carrier,
The 3rd gear rings of 33-, the 4th sun gears of 41-,
42- fourth line carrier, the 4th gear rings of 43-,
The first brakes of 51-, 52- second brakes,
53- first clutches, 54- second clutches,
The 3rd clutches of 55-, the 4th clutches of 56-,
The 5th clutches of 57-, 61- input shafts,
62- output shafts.
Specific embodiment
It should be noted that the embodiment and the feature in embodiment in the case where not conflicting, in the present invention
Can be mutually combined.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
Fig. 3 or Fig. 6 is referred to, automatic transmission provided in an embodiment of the present invention includes：Input shaft 61 and defeated
Shaft 62；First planet gear mechanism 10, first planet gear mechanism 10 include the first sun gear 11,
One planet carrier 12 and the first gear ring 13, the first sun gear 11 are fixedly connected with speed change housing, the first row carrier
12 are connected with input shaft 61 by first clutch 53；Second planetary gears 20, the second planetary gear
Mechanism 20 includes the second sun gear 21, the second planet carrier 22 and the second gear ring 23, and the second sun gear 21 leads to
Cross second clutch 54 to be connected with input shaft 61, the second planet carrier 22 is fixedly connected with the first gear ring 13,
Second gear ring 23 is connected with the first row carrier 12 by the 3rd clutch 55；Third planet gear mechanism 30,
Third planet gear mechanism 30 includes the 3rd sun gear 31, the third line carrier 32 and the 3rd gear ring 33, the 3rd
Sun gear 31 is fixedly connected with the second gear ring 23, and the third line carrier 32 is connected with output shaft 62, the 3rd tooth
Circle 33 is connected with case of transmission by the first brake 51；Fourth planet gear mechanism 40, fourth planet
Gear mechanism 40 includes the 4th sun gear 41, fourth line carrier 42 and the 4th gear ring 43, the 4th sun gear
41 are fixedly connected with the 3rd sun gear 31, and fourth line carrier 42 is connected with input shaft 61, the 4th gear ring 43
It is connected with the third line carrier 32 and output shaft 62 by the 4th clutch 56 respectively；Fixed executive item, it is fixed
Executive item is connected with the first row carrier 12, and when fixed executive item works, first planet gear mechanism 10 is fixed.
In automatic transmission provided in an embodiment of the present invention, on the one hand, the input of automatic transmission includes
The first row carrier 12, the second sun gear 21 and fourth line carrier 42, wherein, the first row carrier 12 is by the
One clutch 53 is directly connected with input shaft 61, and the first row carrier 12 passes through the 3rd clutch 55 and second
Gear ring 23 connects, and the second sun gear 21 is directly connected with input shaft 61 by second clutch 54, and not
It is connected with other rotary elements in automatic transmission, fourth line carrier 42 is directly connected with input shaft 61, and
It is not connected with other rotary elements in automatic transmission；The outfan of automatic transmission includes the third line carrier 32
With the 4th gear ring 43, wherein, the third line carrier 32 is directly connected with output shaft 62, and not with fluid drive
In device, other rotary elements connect；4th gear ring 43 is connected with output shaft 62 by the 4th clutch 56, and
It is not connected with other rotary elements in automatic transmission.Therefore, by first clutch 53, the second clutch
The working condition of device 54 and the 4th clutch 56 is adjusted, even if first clutch 53, the second clutch
Device 54 and the 4th clutch 56 are combined or are disconnected, and the input and outfan of automatic transmission are adjusted
Section, changes the power transmission line of automatic transmission, to balance the rotating speed of each planetary gears, prevents
Speed discrepancy before and after automatic transmission shift between each rotary element of planetary gears is too high, Jin Erfang
Only first clutch 53,56 two ends of second clutch 54 and the 4th clutch speed discrepancy it is higher.
On the other hand, in automatic transmission provided in an embodiment of the present invention, the first row carrier 12 by the 3rd from
Clutch 55 is connected with the second gear ring 23, and is connected with the first row carrier 12 and is made first planet gear mechanism
The 10 fixed executive items fixed, the first gear ring 13 are fixedly connected with the second planet carrier 22, the second gear ring 23,
3rd sun gear 31 is fixedly connected with 41 three of the 4th sun gear, and the 3rd gear ring 33 passes through the first brake
51 are connected with case of transmission.Therefore, by the first brake 51, the 3rd clutch 55 and fixation
The working condition of executive item is adjusted, the transfer route with motivation of adjustment in automatic transmission, further
The rotating speed of each planetary gears is balanced, planetary gears before and after automatic transmission shift each is prevented
Speed discrepancy between rotary element is too high, and then prevents first clutch 51, the 3rd clutch 55 and consolidate
The speed discrepancy for determining executive item two ends is higher.
Therefore, by arranging three inputs and two outfans, and by the first brake 51, first from
The phase of clutch 53, second clutch 54, the 3rd clutch 55, the 4th clutch 56 and fixed executive item
Mutually coordinate, can preferable each planetary gears that must be balanced in automatic transmission rotating speed, prevent automatically
Speed discrepancy before and after shift of transmission between each rotary element of planetary gears is too high, and then reduces each
The speed discrepancy at individual speed change executive component two ends, so as to prevent variator executive component to be damaged.
Further, since automatic transmission provided in an embodiment of the present invention reduces each speed change executive component two ends
Speed discrepancy, that is, reduce the speed discrepancy of each brake and each clutch two ends, with prior art in certain
A little clutches must adopt the clutch (such as jaw clutch) of special construction design to compare, the present invention
Clutch in the automatic transmission that embodiment is provided can adopt common clutch (such as friction type clutch
Device), thus reduce the design difficulty of automatic transmission.
In the above-described embodiments, when fixed executive item works, first planet gear mechanism 10 is fixed, i.e., and the
The transmission rotating speed of one planetary gears 10 is 0, thus can realize first planet gear mechanism using two ways
The fixation of structure 10：A kind of mode is that the first row carrier 12 of first planet gear mechanism 10 is made by one
Dynamic device is connected with case of transmission, during brake operation, the first sun gear of first planet gear mechanism 10
11 and the first row carrier 12 be fixedly connected with case of transmission, thus first planet gear mechanism 10 is fixed；
Another way is that the first row carrier 12 of first planet gear mechanism 10 is passed through a clutch and first
First gear ring 13 of planetary gears 10 connects, when clutch works, the first row carrier 12 and the first tooth
Circle 13 is fixedly connected, thus first planet gear mechanism 10 is fixed.Had with regard to above two mode below
Body explanation.
Mode one, please continue to refer to Fig. 3, fixes executive item for second brake 52, the first row carrier 12
It is connected with case of transmission by second brake 52.When second brake 52 works, the first row carrier
12 are fixedly connected with case of transmission, i.e., the first row carrier 12 is fixed, due to the first sun gear 11 and speed change
Device housing is fixedly connected, i.e., the first sun gear 11 is fixed, thus first planet gear mechanism 10 is fixed.
Fig. 3 and Fig. 4 is referred to, automatic transmission is operated in each in mode provided in an embodiment of the present invention
Operation principle when under gear is as follows：
One gear (D1)：
First brake 51, second clutch 54, the 3rd clutch 55 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；Second clutch 54 works,
Second sun gear 21 is connected with input shaft 61；3rd clutch 55 works, the first row carrier 12, second
Gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41.Second sun gear 21 is used as automatic
The input of variator, power Jing input shafts 61 are delivered to the second sun gear 21, then Jing the first rows carrier
12 and second gear ring 23 be delivered to the 3rd sun gear 31, and exported to output shaft 62 by the third line carrier 32.
Two gears (D2)：
First brake 51, first clutch 53, the 3rd clutch 55 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；First clutch 53 works,
The first row carrier 12 is connected with input shaft 61；3rd clutch 55 works, the first row carrier 12, second
Gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41.The first row carrier 12 is used as automatic
The input of variator, power Jing input shafts 61 are delivered to the first row carrier 12, then pass to the 3rd too
Sun wheel 31, and exported to output shaft 62 by the third line carrier 32.
Three gears (D3)：
First brake 51, first clutch 53, second clutch 54 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；First clutch 53 works,
The first row carrier 12 is connected with input shaft 61；Second clutch 54 works, the second sun gear 21 and input
Axle 61 connects.The first row carrier 12 and the second sun gear 21 are moved collectively as the input of automatic transmission
Power Jing input shaft 61 is delivered to the first row carrier 12 and the second sun gear 21, Jing the first rows carrier 12 respectively
Power the second planet carrier 22, the second planet carrier 22 and the second sun gear 21 are delivered to by the first gear ring 13
The second gear rings of power Jing 23 are delivered to the 3rd sun gear 31 by collective effect, and defeated by the third line carrier 32
Go out to output shaft 62.
Four gears (D4)：
First brake 51, second clutch 54, the 4th clutch 56 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；Second clutch 54 works,
Second sun gear 21 is connected with input shaft 61；4th clutch 56 works, and the 4th gear ring 43 is respectively with
Three planet carriers 32 and output shaft 62 connect.Input of the fourth line carrier 42 as automatic transmission, power
Jing input shafts 62 are delivered to fourth line carrier 42, are then sent to the 4th sun gear 41 and the 4th gear ring 43,
The power of 41 side of the 4th sun gears of Jing is delivered to the 3rd sun gear 31, and Jing the third lines carrier 32 is exported,
Power is delivered to defeated by the third line carrier 32 and the 4th gear ring 43 collectively as the outfan of automatic transmission
Shaft 62.
Five gears (D5)：
First clutch 53, second clutch 54, the 4th clutch 56 work, and first clutch 53 works,
The first row carrier 12 is connected with input shaft 61；Second clutch 54 works, the second sun gear 21 and input
Axle 61 connects；4th clutch 56 works, the 4th gear ring 43 respectively with the third line carrier 32 and output shaft
62 connections.The first row carrier 12, the second sun gear 21 and fourth line carrier 42 are collectively as automatic transmission
Input, power Jing input shafts 61 are delivered to the first row carrier 12 and the second sun gear 21, Jing respectively
The power of one planet carrier 12 is delivered to the second planet carrier 22 by the first gear ring 13, the second planet carrier 22 with
The second gear rings of power Jing 23 are delivered to the 4th sun gear 31 by 21 collective effect of the second sun gear, and the 4th too
The 4th gear rings of power Jing are delivered to output shaft 62 by sun wheel 31 and 42 collective effect of fourth line carrier.
Six gears (D6)：
First clutch 53, the 3rd clutch 55, the 4th clutch 56 work, and first clutch 53 works,
The first row carrier 12 is connected with input shaft 61；3rd clutch 55 works, the first row carrier 12, second
Gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41；4th clutch 56 works, the
Four gear rings 43 are connected with the third line carrier 32 and output shaft 62 respectively.The first row carrier 12 and fourth planet
Input of the frame 42 collectively as automatic transmission, power Jing input shafts 61 are delivered to the first row carrier 12,
The 4th sun gear 41, the 4th sun gear 31 and 42 collective effect of fourth line carrier are then passed to, by power
The 4th gear rings of Jing are delivered to output shaft 62.
Seven gears (D7)：
Second clutch 54, the 3rd clutch 55, the 4th clutch 56 work, and second clutch 54 works,
Second sun gear 21 is connected with input shaft 61；3rd clutch 55 works, the first row carrier 12, second
Gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41；4th clutch 56 works, the
Four gear rings 43 are connected with the third line carrier 32 and output shaft 62 respectively.Second sun gear 21 and fourth planet
Input of the frame 42 collectively as automatic transmission, power Jing input shafts 61 are delivered to the second sun gear 21,
Then Jing the first rows carrier 12 and the second gear ring 23 are delivered to the 4th sun gear 41, the 4th sun gear 31 with
The 4th gear rings of power Jing are delivered to output shaft 62 by 42 collective effect of fourth line carrier.
Eight gears (D8)：
Second brake 52, the 3rd clutch 55, the 4th clutch 56 work, and second brake 52 works,
The first row carrier 12 is fixedly connected with case of transmission, i.e., the first row carrier 12 is fixed；3rd clutch 55
Work, the first row carrier 12, the second gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41,
Thus the second gear ring 23, the 3rd sun gear 31 and the 4th sun gear 41 are fixed；4th clutch 56 works,
4th gear ring 43 is connected with the third line carrier 32 and output shaft 62 respectively.Fourth line carrier 42 is used as automatic
The input of variator, power Jing input shafts 61 are delivered to fourth line carrier 42, and the 4th gear rings 43 of Jing are defeated
Deliver to output shaft 62.
Nine gears (D9)：
Second brake 52, second clutch 54, the 4th clutch 56 work, and second brake 52 works,
The first row carrier 12 is fixedly connected with case of transmission, i.e., the first row carrier 12 is fixed；Second clutch 54
Work, the second sun gear 21 are connected with input shaft 61；4th clutch 56 works, the 4th 43 points of gear ring
It is not connected with the third line carrier 32 and output shaft 62.42 common work of second sun gear 21 and fourth line carrier
For the input of automatic transmission, power Jing input shafts 61 are delivered to the second sun gear 21, then Jing second
Gear ring 23 is delivered to the 4th sun gear 41, the 4th sun gear 31 and 42 collective effect of fourth line carrier, will
The 4th gear rings of power Jing are delivered to output shaft 62.
Reverse gear (R)：
First brake 51, second brake 52, second clutch 54 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；Second brake 52 works,
The first row carrier 12 is fixedly connected with case of transmission, i.e., the first row carrier 12 is fixed；Second clutch 54
Work, the second sun gear 21 are connected with input shaft 61.Input of second sun gear 21 as automatic transmission
End, then the second gear rings of Jing 23 are delivered to the 3rd sun gear 31, and Jing the third lines carrier 32 is delivered to output
Axle 62.
Fig. 5 is referred to, when the automatic transmission that mode one is provided is operated in each gear, by each braking
After the rotating speed at device and each clutch two ends is calculated, turning for each brake and each clutch two ends just can be obtained
Speed difference.Fig. 5 shows automatic transmission that mode one provides when being operated in each gear, each brake and each
The automatic transmission of the prior art illustrated in the speed discrepancy at clutch two ends, with Fig. 2 is operated in each gear
During position, each brake is compared with the speed discrepancy at each clutch two ends, the automatic transmission work that mode one is provided
In each gear, the speed discrepancy at each brake and each clutch two ends is relatively small, so as to prevent variator
Executive component is damaged.
Mode two, please continue to refer to Fig. 6, fixes executive item for the 5th clutch 57, the first row carrier 12
It is connected with the first gear ring 13 by the 5th clutch 57.When the 5th clutch 57 works, the first row carrier
12 are fixedly connected with the first gear ring 13, as the first sun gear 11 is fixedly connected with case of transmission, i.e.,
One sun gear 11 is fixed, thus first planet gear mechanism 10 is fixed.
Fig. 6 and Fig. 7 is referred to, automatic transmission is operated in each in mode provided in an embodiment of the present invention
Operation principle when under gear is as follows：
One gear (D1)：
First brake 51, second clutch 54, the 3rd clutch 55 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；Second clutch 54 works,
Second sun gear 21 is connected with input shaft 61；3rd clutch 55 works, the first row carrier 12, second
Gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41.Second sun gear 21 is used as automatic
The input of variator, power Jing input shafts 61 are delivered to the second sun gear 21, then Jing the first rows carrier
12 and second gear ring 23 be delivered to the 3rd sun gear 31, and exported to output shaft 62 by the third line carrier 32.
Two gears (D2)：
First brake 51, first clutch 53, the 3rd clutch 55 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；First clutch 53 works,
The first row carrier 12 is connected with input shaft 61；3rd clutch 55 works, the first row carrier 12, second
Gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41.The first row carrier 12 is used as automatic
The input of variator, power Jing input shafts 61 are delivered to the first row carrier 12, then pass to the 3rd too
Sun wheel 31, and exported to output shaft 62 by the third line carrier 32.
Three gears (D3)：
First brake 51, first clutch 53, second clutch 54 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；First clutch 53 works,
The first row carrier 12 is connected with input shaft 61；Second clutch 54 works, the second sun gear 21 and input
Axle 61 connects.The first row carrier 12 and the second sun gear 21 are moved collectively as the input of automatic transmission
Power Jing input shaft 61 is delivered to the first row carrier 12 and the second sun gear 21, Jing the first rows carrier 12 respectively
Power the second planet carrier 22, the second planet carrier 22 and the second sun gear 21 are delivered to by the first gear ring 13
The second gear rings of power Jing 23 are delivered to the 3rd sun gear 31 by collective effect, and defeated by the third line carrier 32
Go out to output shaft 62.
Four gears (D4)：
First brake 51, second clutch 54, the 4th clutch 56 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；Second clutch 54 works,
Second sun gear 21 is connected with input shaft 61；4th clutch 56 works, and the 4th gear ring 43 is respectively with
Three planet carriers 32 and output shaft 62 connect.Input of the fourth line carrier 42 as automatic transmission, power
Jing input shafts 62 are delivered to fourth line carrier 42, are then sent to the 4th sun gear 41 and the 4th gear ring 43,
The power of 41 side of the 4th sun gears of Jing is delivered to the 3rd sun gear 31, and Jing the third lines carrier 32 is exported,
Power is delivered to defeated by the third line carrier 32 and the 4th gear ring 43 collectively as the outfan of automatic transmission
Shaft 62.
Five gears (D5)：
First clutch 53, second clutch 54, the 4th clutch 56 work, and first clutch 53 works,
The first row carrier 12 is connected with input shaft 61；Second clutch 54 works, the second sun gear 21 and input
Axle 61 connects；4th clutch 56 works, the 4th gear ring 43 respectively with the third line carrier 32 and output shaft
62 connections.The first row carrier 12, the second sun gear 21 and fourth line carrier 42 are collectively as automatic transmission
Input, power Jing input shafts 61 are delivered to the first row carrier 12 and the second sun gear 21, Jing respectively
The power of one planet carrier 12 is delivered to the second planet carrier 22 by the first gear ring 13, the second planet carrier 22 with
The second gear rings of power Jing 23 are delivered to the 4th sun gear 31 by 21 collective effect of the second sun gear, and the 4th too
The 4th gear rings of power Jing are delivered to output shaft 62 by sun wheel 31 and 42 collective effect of fourth line carrier.
Six gears (D6)：
First clutch 53, the 3rd clutch 55, the 4th clutch 56 work, and first clutch 53 works,
The first row carrier 12 is connected with input shaft 61；3rd clutch 55 works, the first row carrier 12, second
Gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41；4th clutch 56 works, the
Four gear rings 43 are connected with the third line carrier 32 and output shaft 62 respectively.The first row carrier 12 and fourth planet
Input of the frame 42 collectively as automatic transmission, power Jing input shafts 61 are delivered to the first row carrier 12,
The 4th sun gear 41, the 4th sun gear 31 and 42 collective effect of fourth line carrier are then passed to, by power
The 4th gear rings of Jing are delivered to output shaft 62.
Seven gears (D7)：
Second clutch 54, the 3rd clutch 55, the 4th clutch 56 work, and second clutch 54 works,
Second sun gear 21 is connected with input shaft 61；3rd clutch 55 works, the first row carrier 12, second
Gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41；4th clutch 56 works, the
Four gear rings 43 are connected with the third line carrier 32 and output shaft 62 respectively.Second sun gear 21 and fourth planet
Input of the frame 42 collectively as automatic transmission, power Jing input shafts 61 are delivered to the second sun gear 21,
Then Jing the first rows carrier 12 and the second gear ring 23 are delivered to the 4th sun gear 41, the 4th sun gear 31 with
The 4th gear rings of power Jing are delivered to output shaft 62 by 42 collective effect of fourth line carrier.
Eight gears (D8)：
3rd clutch 55, the 4th clutch 56, the 5th clutch 57 work, and the 3rd clutch 55 works,
The first row carrier 12, the second gear ring 23, the 3rd sun gear 31 are fixedly connected with the 4th sun gear 41, thus
Second gear ring 23, the 3rd sun gear 31 and the 4th sun gear 41 are fixed；4th clutch 56 works, the
Four gear rings 43 are connected with the third line carrier 32 and output shaft 62 respectively；5th clutch 57 works, and first
Planet carrier 12 is fixedly connected with the first gear ring 13, i.e., first planet gear mechanism 10 is fixed, the second planet carrier
22nd, the second gear ring 23, the 3rd sun gear 31 and the 4th sun gear 41 are fixed.Fourth line carrier 42 is made
For the input of automatic transmission, power Jing input shafts 61 are delivered to fourth line carrier 42, and the 4th teeth of Jing
Circle 43 is delivered to output shaft 62.
Nine gears (D9)：
Second clutch 54, the 4th clutch 56, the 5th clutch 57 work, and second clutch 54 works,
Second sun gear 21 is connected with input shaft 61；4th clutch 56 works, and the 4th gear ring 43 is respectively with
Three planet carriers 32 and output shaft 62 connect；5th clutch 57 works, the first row carrier 12 and the first tooth
Circle 13 is fixedly connected, i.e., first planet gear mechanism 10 is fixed, thus the second planet carrier 22 is fixed.Second
The input of sun gear 21 and fourth line carrier 42 collectively as automatic transmission, power Jing input shafts 61
The second sun gear 21 is delivered to, then the second gear rings of Jing 23 are delivered to the 4th sun gear 41, the 4th sun gear
31 with 42 collective effect of fourth line carrier, the 4th gear rings of power Jing are delivered to into output shaft 62.
Reverse gear (R)：
First brake 51, second clutch 54, the 5th clutch 57 work, and the first brake 51 works,
3rd gear ring 33 is fixedly connected with case of transmission, i.e., the 3rd gear ring 33 is fixed；Second clutch 54 works,
Second sun gear 21 is connected with input shaft 61；5th clutch 57 works, the first row carrier 12 and first
Gear ring 13 is fixedly connected, i.e., first planet gear mechanism 10 is fixed, thus the second planet carrier 22 is fixed.The
Input of two sun gears 21 as automatic transmission, then the second gear rings of Jing 23 be delivered to the 3rd sun gear
31, and Jing the third lines carrier 32 is delivered to output shaft 62.
Please continue to refer to Fig. 4 and Fig. 7, in aforesaid way one and mode two, automatic transmission it is adjacent
The power transmission of two gears improves power linking smoothness of the automobile in shift process than closely linking,
The comfortableness of gearshift is improved, while automobile can also be made to travel in more reasonably gear, electromotor is reduced defeated
The rotating speed for going out, and then reduce the fuel consumption of vehicle and reduce the waste discharge amount of waste gas, exist so as to improve vehicle
Fuel economy and emission performance during traveling.
In the above-described embodiments, first planet gear mechanism 10, the second planetary gears 20, third planet
Gear mechanism 30 and fourth planet gear mechanism 40 are simple planetary arrangement, and first planet gear
Mechanism 10, the second planetary gears 20, third planet gear mechanism 30 and fourth planet gear mechanism 40
Axial direction along input shaft 61 sets gradually.By first planet gear mechanism 10, the second planetary gears
20th, third planet gear mechanism 30 and fourth planet gear mechanism 40 are disposed as simple planetary arrangement,
Can facilitate to first planet gear mechanism 10, the second planetary gears 20, third planet gear mechanism
30 and the control of fourth planet gear mechanism 40, it is possible to simplify the power transmission line of automatic transmission.
In addition by first planet gear mechanism 10, the second planetary gears 20,30 and of third planet gear mechanism
Fourth planet gear mechanism 40 is set gradually along the axial direction of input shaft 61, can cause automatic transmission
Compact conformation, reduces the volume of automatic transmission.
In the above-described embodiments, third planet gear mechanism 30 and fourth planet gear mechanism 40 share one
Sun gear.Third planet gear mechanism 30 and fourth planet gear mechanism 40 is made to share a sun gear, can
To reduce the number of parts of automatic transmission, facilitate the assembling of automatic transmission.
In above-described embodiment, output shaft 62 can be arranged in parallel with input shaft 61, it is also possible to not parallel setting.
Preferably output shaft 62 is be arranged in parallel with input shaft 61, and the axle of the axis of output shaft 62 and input shaft 61
To being located along the same line.It is so designed that so that the structure of automatic transmission is compacter, further reduces
The volume of automatic transmission.
The embodiment of the present invention also provides a kind of automobile, and the automobile is provided with automatic as described in above-mentioned embodiment
Variator.The automobile and above-mentioned automatic transmission had the advantage that identical, the here relative to prior art
Repeat no more.
Presently preferred embodiments of the present invention is the foregoing is only, it is not to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in this
Within bright protection domain.
Claims (7)
1. a kind of automatic transmission, it is characterised in that include：Input shaft (61), output shaft (62),
One planetary gears (10), the second planetary gears (20), third planet gear mechanism (30),
Four planetary gears (40) and fixed executive item, wherein,
The first planet gear mechanism (10) including the first sun gear (11), the first row carrier (12) and
First gear ring (13), first sun gear (11) are connected with speed change housing, the first row carrier (12)
It is connected with the input shaft (61) by first clutch (53)；
Second planetary gears (20) including the second sun gear (21), the second planet carrier (22) and
Second gear ring (23), second sun gear (21) is by second clutch (54) and the input shaft (61)
Connection, second planet carrier (22) are fixedly connected with first gear ring (13), second gear ring
(23) it is connected with the first row carrier (12) by the 3rd clutch (55)；
The third planet gear mechanism (30) including the 3rd sun gear (31), the third line carrier (32) and
3rd gear ring (33), the 3rd sun gear (31) are fixedly connected with second gear ring (23), described
The third line carrier (32) is connected with the output shaft (62), and the 3rd gear ring (33) is by the first system
Dynamic device (51) is connected with the case of transmission；
The fourth planet gear mechanism (40) including the 4th sun gear (41), fourth line carrier (42) and
4th gear ring (43), the 4th sun gear (41) are fixedly connected with the 3rd sun gear (31), institute
State fourth line carrier (42) to be connected with the input shaft (61), the 4th gear ring (43) is by the 4th
Clutch (56) is connected with the third line carrier (32) and the output shaft (62) respectively；
The fixed executive item is connected with the first row carrier (12), when the fixed executive item works,
The first planet gear mechanism (10) is fixed.
2. automatic transmission according to claim 1, it is characterised in that the fixed executive item is the
Two brakes (52), the first row carrier (12) is by the second brake (52) and the speed change
Device housing connects.
3. automatic transmission according to claim 1, it is characterised in that the fixed executive item is the
Five clutches (57), the first row carrier (12) is by the 5th clutch (57) and described first
Gear ring (13) connects.
4. automatic transmission according to claim 1, it is characterised in that the first planet gear mechanism
Structure (10), second planetary gears (20), the third planet gear mechanism (30) and described
Fourth planet gear mechanism (40) is simple planetary arrangement, and the first planet gear mechanism (10),
Second planetary gears (20), the third planet gear mechanism (30) and the fourth planet tooth
Wheel mechanism (40) is set gradually along the axial direction of the input shaft (61).
5. automatic transmission according to claim 1, it is characterised in that the third planet gear mechanism
Structure (30) and the fourth planet gear mechanism (40) share a sun gear.
6. according to the arbitrary described automatic transmission of claim 1-5, it is characterised in that the output shaft (62)
Axis be located along the same line with the axis of the input shaft (61).
7. a kind of automobile, it is characterised in that the automobile arrange it is arbitrary just like claim 1-6 it is described from
Dynamic variator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708567.9A CN106609818A (en) | 2015-10-27 | 2015-10-27 | Automatic transmission and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708567.9A CN106609818A (en) | 2015-10-27 | 2015-10-27 | Automatic transmission and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN106609818A true CN106609818A (en) | 2017-05-03 |
Family
ID=58614410
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510708567.9A Pending CN106609818A (en) | 2015-10-27 | 2015-10-27 | Automatic transmission and automobile |
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| Country | Link |
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| CN (1) | CN106609818A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021251A (en) * | 2006-02-14 | 2007-08-22 | Zf腓德烈斯哈芬股份公司 | Multi-gear transmission |
| US20110045939A1 (en) * | 2009-08-20 | 2011-02-24 | Zf Friedrichshafen Ag | Multi step transmission |
| DE102009028724A1 (en) * | 2009-08-20 | 2011-02-24 | Zf Friedrichshafen Ag | Multi-speed transmission |
| DE102009054453A1 (en) * | 2009-12-10 | 2011-06-16 | Zf Friedrichshafen Ag | Multi-stage gear drive, particularly automatic gear drive for motor vehicle, has drive shaft, output shaft and four planetary wheel sets, which are arranged in housing |
| CN102748444A (en) * | 2011-04-21 | 2012-10-24 | 现代自动车株式会社 | Planetary gear train of automatic transmission for vehicles |
| CN104565240A (en) * | 2014-12-26 | 2015-04-29 | 燕山大学 | Transmission with wider speed range |
-
2015
- 2015-10-27 CN CN201510708567.9A patent/CN106609818A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021251A (en) * | 2006-02-14 | 2007-08-22 | Zf腓德烈斯哈芬股份公司 | Multi-gear transmission |
| US20110045939A1 (en) * | 2009-08-20 | 2011-02-24 | Zf Friedrichshafen Ag | Multi step transmission |
| DE102009028724A1 (en) * | 2009-08-20 | 2011-02-24 | Zf Friedrichshafen Ag | Multi-speed transmission |
| DE102009054453A1 (en) * | 2009-12-10 | 2011-06-16 | Zf Friedrichshafen Ag | Multi-stage gear drive, particularly automatic gear drive for motor vehicle, has drive shaft, output shaft and four planetary wheel sets, which are arranged in housing |
| CN102748444A (en) * | 2011-04-21 | 2012-10-24 | 现代自动车株式会社 | Planetary gear train of automatic transmission for vehicles |
| CN104565240A (en) * | 2014-12-26 | 2015-04-29 | 燕山大学 | Transmission with wider speed range |
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Application publication date: 20170503 |
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