CN108131447A - A kind of double-clutch automatic gearbox gear shifting actuating mechanism - Google Patents
A kind of double-clutch automatic gearbox gear shifting actuating mechanism Download PDFInfo
- Publication number
- CN108131447A CN108131447A CN201711374745.4A CN201711374745A CN108131447A CN 108131447 A CN108131447 A CN 108131447A CN 201711374745 A CN201711374745 A CN 201711374745A CN 108131447 A CN108131447 A CN 108131447A
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- China
- Prior art keywords
- planetary gear
- group
- gear mechanism
- gear
- ring
- 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
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/08—Multiple final output mechanisms being moved by a single common final actuating mechanism
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of double-clutch automatic gearbox gear shifting actuating mechanisms, belong to the transmission technology field of automobile.Including gearbox, the motor being fixed on gear box casing, further include first group of planetary gear mechanism being set in gearbox and second group of planetary gear mechanism, the output shaft of the motor is connect with first group of planetary gear mechanism input terminal, first group of planetary gear mechanism output terminal is connect with second group of planetary gear mechanism input terminal, second group of planetary gear mechanism output terminal is fixed with gearshift drum, and the gearshift drum is connected with multiple selector forks.Dynamic retarding torque is transmitted to gearshift drum by motor by two groups of epicyclic gears mechanism in the present invention, the rotation driving selector fork movement for shifting gears bulging, and then realizes gearshift.Planetary gear mechanism is integrated in gearshift drum inside, reduces the arrangement space of mechanism.Monodromy gear drum four selector forks of control, the utilization ratio of mechanism are high.
Description
Technical field
The present invention relates to automotive transmission technical fields, and in particular to a kind of double-clutch automatic gearbox gearshift execution machine
Structure.
Background technology
Double-clutch automatic gearbox (DualClutchTransmission, DCT) is by two gearboxes and two clutches
Device is integrated in a gearbox, and two input shafts being rotatably sleeved in together are connected respectively with one of clutch
Connect, two input shafts transmit the power of two gearbox speed groups respectively, by between two clutches automatically switch so as to
Gearshift program is completed, therefore can realize the power shifting of shift process, i.e., interrupts power in shift process, overcomes AMT
The shortcomings that (AutomatedMechanicalTransmission, electric-controlled mechanical automatic speed transmission) shift shock, vehicle is being shifted gears
In the process, the power of engine can be shifted gears rapid steady for delivery to wheel, not only ensure that the acceleration of vehicle always, and
And since vehicle no longer generates the situation that is a significant slowdown caused by gearshift, the comfort of vehicle operation is also greatly improved.
Existing motor driving gearshift is all made of at least two gearshift drums, and each gearshift drum is respectively by an electricity
Machine or a hydraulic pump drive so that the arrangement space needed for entire gear shifting actuating mechanism is larger, increases the volume of speed changer.
Invention content
The defects of purpose of the present invention is aiming at the prior art provides a kind of double-clutch automatic gearbox gearshift execution machine
Structure.
The technical solution adopted by the present invention is：Including gearbox, the motor being fixed on gear box casing further includes setting
In first group of planetary gear mechanism and second group of planetary gear mechanism in gearbox, the output shaft of the motor and first group of row
Star gear mechanism input terminal connects, and first group of planetary gear mechanism output terminal and second group of planetary gear mechanism input terminal connect
It connects, second group of planetary gear mechanism output terminal is fixed with gearshift drum, and the gearshift drum is connected with multiple selector forks.
Further preferred structure, first group of planetary gear mechanism include first group of planetary gear mechanism sun gear,
First group of planetary gear mechanism planetary gear, first group of planetary gear mechanism planet carrier, ring gear, first group of planetary gear machine
Structure sun gear center and motor output shaft axial restraint, first group of planetary gear mechanism sun gear and first group of planetary gear
Mechanism planetary gear engagement, the gear shaft and first group of planetary gear mechanism planet carrier of first group of planetary gear mechanism planetary gear
Axial restraint, first group of planetary gear mechanism planetary gear outer ring are engaged with ring gear.
Further preferred structure, second group of planetary gear mechanism include second group of planetary gear mechanism sun gear,
Second group of planetary gear mechanism planetary gear, second group of planetary gear mechanism sun gear and first group of planetary gear mechanism
Planet carrier shaft is to connecting into an overall structure, second group of planetary gear mechanism sun gear and second group of planetary gear mechanism row
Star-wheel engages, and second group of planetary gear mechanism planetary gear outer ring is engaged with ring gear, second group of planetary gear mechanism
The gear shaft of planetary gear and gearshift drum axial restraint.
Further preferred structure, one end of the gearshift drum are connect by clutch shaft bearing with case of transmission, the other end
It is connect by second bearing with ring gear.
Further preferred structure, the ring gear include being respectively used to and first group of planetary gear mechanism planetary gear, the
The first ring gear and the second ring gear of two groups of epicyclic gears mechanism planetary gear outer ring engagement, the internal diameter of first ring gear are small
In the internal diameter of the second ring gear.
Further preferred structure, the ring gear are fixed in ring gear shell, and the ring gear shell end face sets end
It covers, mounting hole and motor shaft mounting hole is opened up on the end cap.
Further preferred structure, the ring gear are fixedly connected by mounting hole with case of transmission.
Further preferred structure, the multiple selector fork include the first selector fork, the second selector fork, third and change
Keep off shift fork, the 4th selector fork, first selector fork, the second selector fork, third selector fork, the 4th selector fork point
Upper multiple fit depressions are not roused with gearshift.
Dynamic retarding torque is transmitted to gearshift drum by motor by two groups of epicyclic gears mechanism in the present invention, bulging turn of shifting gears
Dynamic driving selector fork movement, and then realize gearshift.Planetary gear mechanism is integrated in gearshift drum inside, reduces the arrangement of mechanism
Space.Monodromy gear drum four selector forks of control, the utilization ratio of mechanism are high.This gear shifting actuating mechanism has at low cost, work
Reliably, the features such as simple in structure.
The double-clutch automatic gearbox gear shifting actuating mechanism of the present invention includes a shift motor, two groups of epicyclic gears machine
Structure, a gearshift drum and four selector forks.The characteristics of big using the reduction ratio of planetary gear mechanism, the invention is two groups of planets
Gear mechanism is together in series, and has obtained the reduction ratio of bigger.Two groups of epicyclic gears mechanism is integrated in gearshift drum inside, is reduced
The arrangement space of entire gearshift execution machine.Drum four selector forks of driving are kept off using monodromy, at most controllable 8 gears (include R
Including gear), compared to double gearshift drum gear shifting actuating mechanisms, the structure of the invention is simplified.The driving mechanism of single motor with
Common dual-motor driving mechanism is compared, and has the advantages that volume smaller, structure are simplified, cost is lower.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the gear shifting actuating mechanism of double-clutch automatic gearbox of the present invention；
Fig. 2 is the fragmentary cross-sectional view of Fig. 1；
Fig. 3 is planetary gear reducing mechanism stereoscopic schematic diagram；
Fig. 4 is the planetary gear mechanism stereoscopic schematic diagram for removing ring gear.
In figure, 1- selector forks (the first selector forks of 1.1-, the second selector forks of 1.2-, 1.3- thirds selector fork,
The 4th selector forks of 1.4-), 2- gearshift drum, 3- motors, first group of planetary gear mechanism planetary gear of 4-, first group of planetary gear of 5-
Mechanism planet carrier, 6- ring gears (the first ring gears of 6.1-, the second ring gears of 6.2-, 6.3- ring gears shell, 6.4- end caps), 7-
Second group of second group of planetary gear mechanism planetary gear, first group of planetary gear mechanism sun gear of 8-, 9- planetary gear mechanism sun
Wheel, 10- motor output shafts, 11- clutch shaft bearings, 12- second bearings, 13- bolts, 14- mounting holes, 15- motor shaft mounting holes.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, convenient for this hair is well understood
It is bright, but they do not form the present invention and limit.
As shown in Figure 1 and Figure 2, the present invention includes gearbox, the motor 3 being fixed on gear box casing, and motor 3 passes through spiral shell
Bolt 13 is fixed on case of transmission, further includes first group of planetary gear mechanism being set in gearbox and second group of planet tooth
Mechanism is taken turns, the output shaft 10 of the motor 3 is connect with first group of planetary gear mechanism input terminal, first group of planetary gear machine
Structure output terminal is connect with second group of planetary gear mechanism input terminal, second group of planetary gear mechanism output terminal and gearshift drum 2
Fixed, the gearshift drum 2 is connected with multiple selector forks 1.
With reference to shown in Fig. 3, Fig. 4, first group of planetary gear mechanism include first group of planetary gear mechanism sun gear 8,
First group of planetary gear mechanism planetary gear 4, first groups of planetary gear mechanism planet carriers 5, ring gears 6, first group of planet tooth
Take turns 8 center of mechanism sun gear and 10 axial restraint of motor output shaft, first group of planetary gear mechanism sun gear 8 and first group
Planetary gear mechanism planetary gear 4 engages, the gear shaft and first group of planetary gear of first group of planetary gear mechanism planetary gear 4
5 axial restraint of mechanism planet carrier, first group of planetary gear mechanism planetary gear, 4 outer ring are engaged with ring gear 6.
The dynamic retarding torque of motor 3 is transmitted to by first group of planetary gear mechanism by first group of planetary gear mechanism row
In carrier 5.
Second group of planetary gear mechanism includes second group of planetary gear mechanism sun gear 9, two groups of epicyclic gears machine
Structure planetary gear 7, second group of planetary gear mechanism sun gear 9 axially connect with first group of planetary gear mechanism planet carrier 5
An overall structure is connected into, second group of planetary gear mechanism sun gear 9 is engaged with second group of planetary gear mechanism planetary gear 7,
Second group of planetary gear mechanism planetary gear, 7 outer ring is engaged with ring gear 6, second group of planetary gear mechanism planetary gear 7
Gear shaft with gearshift 2 axial restraint of drum.
Ring gear 6 is also fixed relative to case of transmission, by second group of planetary gear mechanism the dynamic of sun gear 9
Power deceleration torque is transmitted on gearshift drum 2.
One end of the gearshift drum 2 is connect by clutch shaft bearing 11 with case of transmission, and the other end passes through second bearing 12
It is connect with ring gear 6.
The ring gear 6 includes being respectively used to and first group of planetary gear mechanism planetary gear, 4, second groups of planetary gear mechanisms
The first ring gear 6.1 and the second ring gear 6.2 of 7 outer ring of planetary gear engagement, the internal diameter of first ring gear 6.1 are less than second
The internal diameter of ring gear 6.2.The ring gear 6 is fixed in ring gear shell 6.3, and 6.3 end face of ring gear shell sets end cap
6.4, mounting hole 14 and motor shaft mounting hole 15 are opened up on the end cap 6.4.The ring gear 6 passes through mounting hole 14 and speed changer
Housing is fixedly connected.
It is changed as shown in Figure 1, the multiple selector fork 1 includes the first selector fork 1.1, the second selector fork 1.2, third
Keep off shift fork 1.3, the 4th selector fork 1.4, first selector fork 1.1, the second selector fork 1.2, third selector fork
1.3rd, the 4th selector fork 1.4 respectively with gearshift drum 2 on multiple fit depressions.
In the present invention shift gears drum 2 by the connection of bearings at both ends relative to case of transmission rotary motion, the power of motor 3
It is transmitted on gearshift drum 2 by two groups of epicyclic gears mechanism deceleration torque, the axis of rotational movement selector fork for shifting gears bulging
To movement, the action of entire gear shifting actuating mechanism is completed.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of double-clutch automatic gearbox gear shifting actuating mechanism, including gearbox, the motor being fixed on gear box casing
(3), which is characterized in that first group of planetary gear mechanism being set in gearbox and second group of planetary gear mechanism are further included,
The output shaft (10) of the motor (3) is connect with first group of planetary gear mechanism input terminal, first group of planetary gear mechanism
Output terminal is connect with second group of planetary gear mechanism input terminal, second group of planetary gear mechanism output terminal and gearshift drum (2)
Fixed, the gearshift drum (2) is connected with multiple selector forks (1).
2. a kind of double-clutch automatic gearbox gear shifting actuating mechanism according to claim 1, which is characterized in that described first
Group planetary gear mechanism includes first group of planetary gear mechanism sun gear (8), first group of planetary gear mechanism planetary gear (4), the
One group of planetary gear mechanism planet carrier (5), ring gear (6), first group of planetary gear mechanism sun gear (8) center and motor
Output shaft (10) axial restraint, first group of planetary gear mechanism sun gear (8) and first group of planetary gear mechanism planetary gear
(4) it engages, the gear shaft of first group of planetary gear mechanism planetary gear (4) and first group of planetary gear mechanism planet carrier (5)
Axial restraint, first group of planetary gear mechanism planetary gear (4) outer ring are engaged with ring gear (6).
3. a kind of double-clutch automatic gearbox gear shifting actuating mechanism according to claim 2, which is characterized in that described second
Group planetary gear mechanism includes second group of planetary gear mechanism sun gear (9), second group of planetary gear mechanism planetary gear (7), institute
Stating second group of planetary gear mechanism sun gear (9) and first group of planetary gear mechanism planet carrier (5), axially to connect into one whole
Body structure, second group of planetary gear mechanism sun gear (9) is engaged with second group of planetary gear mechanism planetary gear (7), described
Second group of planetary gear mechanism planetary gear (7) outer ring is engaged with ring gear (6), second group of planetary gear mechanism planetary gear
(7) gear shaft and gearshift drum (2) axial restraint.
A kind of 4. double-clutch automatic gearbox gear shifting actuating mechanism according to claim 2, which is characterized in that the gearshift
One end of drum (2) is connect by clutch shaft bearing (11) with case of transmission, and the other end passes through second bearing (12) and ring gear (6)
Connection.
A kind of 5. double-clutch automatic gearbox gear shifting actuating mechanism according to claim 5, which is characterized in that the internal tooth
(6) are enclosed including being respectively used to first group of planetary gear mechanism planetary gear (4), second group of planetary gear mechanism planetary gear (7) outside
The first ring gear (6.1) of engagement and the second ring gear (6.2) are enclosed, the internal diameter of first ring gear (6.1) is less than in second
The internal diameter of gear ring (6.2).
6. a kind of double-clutch automatic gearbox gear shifting actuating mechanism according to claim 2 or 5, which is characterized in that described
Ring gear (6) is fixed in ring gear shell (6.3), and ring gear shell (6.3) end face sets end cap (6.4), the end cap
(6.4) mounting hole (14) and motor shaft mounting hole (15) are opened up on.
A kind of 7. double-clutch automatic gearbox gear shifting actuating mechanism according to claim 6, which is characterized in that the internal tooth
Circle (6) is fixedly connected by mounting hole (14) with case of transmission.
8. a kind of double-clutch automatic gearbox gear shifting actuating mechanism according to claim 1, which is characterized in that the multiple
Selector fork (1) includes the first selector fork (1.1), the second selector fork (1.2), third selector fork (1.3), the 4th gearshift
Shift fork (1.4), first selector fork (1.1), the second selector fork (1.2), third selector fork (1.3), the 4th gearshift
Shift fork (1.4) rouses multiple fit depressions on (2) with gearshift respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711374745.4A CN108131447A (en) | 2017-12-19 | 2017-12-19 | A kind of double-clutch automatic gearbox gear shifting actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711374745.4A CN108131447A (en) | 2017-12-19 | 2017-12-19 | A kind of double-clutch automatic gearbox gear shifting actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108131447A true CN108131447A (en) | 2018-06-08 |
Family
ID=62390611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711374745.4A Pending CN108131447A (en) | 2017-12-19 | 2017-12-19 | A kind of double-clutch automatic gearbox gear shifting actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108131447A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735920A (en) * | 2019-11-26 | 2020-01-31 | 上海汽车变速器有限公司 | Single motor driven speed variator gear selecting and shifting operating device |
| CN111734822A (en) * | 2020-06-04 | 2020-10-02 | 杭州杰途传动部件有限公司 | Gear selecting and shifting actuating mechanism of transmission |
| CN111976464A (en) * | 2020-08-31 | 2020-11-24 | 东风汽车集团有限公司 | Hybrid vehicle driving system for regulating speed by using motor during gear shifting |
| CN113710925A (en) * | 2019-04-23 | 2021-11-26 | 采埃孚股份公司 | Switchable planetary gear |
| CN115992881A (en) * | 2023-02-02 | 2023-04-21 | 特百佳动力科技股份有限公司 | Gear shifting mechanism, transmission and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2708044Y (en) * | 2004-07-22 | 2005-07-06 | 胡济荣 | Electric control operating mechanism for geared-transmission |
| CN102059941A (en) * | 2009-11-13 | 2011-05-18 | C.R.F.阿西安尼顾问公司 | Motor-vehicle hybrid propulsion system including a double-clutch transmission with gear shift device comprising a rotary drum |
| EP2722565A1 (en) * | 2012-10-18 | 2014-04-23 | Volkswagen Aktiengesellschaft | Shifting device for dual clutch transmission of a motor vehicle or dual clutch transmission with such a switching device |
| CN105299220A (en) * | 2014-07-09 | 2016-02-03 | 丰田自动车株式会社 | Multiple-speed gearbox for vehicles |
| CN105799485A (en) * | 2016-04-15 | 2016-07-27 | 燕山大学 | Mode-changing actuating mechanism of multimode coupling driving system for vehicle |
-
2017
- 2017-12-19 CN CN201711374745.4A patent/CN108131447A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2708044Y (en) * | 2004-07-22 | 2005-07-06 | 胡济荣 | Electric control operating mechanism for geared-transmission |
| CN102059941A (en) * | 2009-11-13 | 2011-05-18 | C.R.F.阿西安尼顾问公司 | Motor-vehicle hybrid propulsion system including a double-clutch transmission with gear shift device comprising a rotary drum |
| EP2722565A1 (en) * | 2012-10-18 | 2014-04-23 | Volkswagen Aktiengesellschaft | Shifting device for dual clutch transmission of a motor vehicle or dual clutch transmission with such a switching device |
| CN105299220A (en) * | 2014-07-09 | 2016-02-03 | 丰田自动车株式会社 | Multiple-speed gearbox for vehicles |
| CN105799485A (en) * | 2016-04-15 | 2016-07-27 | 燕山大学 | Mode-changing actuating mechanism of multimode coupling driving system for vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113710925A (en) * | 2019-04-23 | 2021-11-26 | 采埃孚股份公司 | Switchable planetary gear |
| CN110735920A (en) * | 2019-11-26 | 2020-01-31 | 上海汽车变速器有限公司 | Single motor driven speed variator gear selecting and shifting operating device |
| CN111734822A (en) * | 2020-06-04 | 2020-10-02 | 杭州杰途传动部件有限公司 | Gear selecting and shifting actuating mechanism of transmission |
| CN111976464A (en) * | 2020-08-31 | 2020-11-24 | 东风汽车集团有限公司 | Hybrid vehicle driving system for regulating speed by using motor during gear shifting |
| CN111976464B (en) * | 2020-08-31 | 2023-09-19 | 东风汽车集团有限公司 | Hybrid vehicle driving system utilizing motor for speed regulation during gear shifting |
| CN115992881A (en) * | 2023-02-02 | 2023-04-21 | 特百佳动力科技股份有限公司 | Gear shifting mechanism, transmission and vehicle |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180608 |
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| RJ01 | Rejection of invention patent application after publication |