CN106763550A - Nine gear double-clutch automatic transmissions - Google Patents
Nine gear double-clutch automatic transmissions Download PDFInfo
- Publication number
- CN106763550A CN106763550A CN201611260576.7A CN201611260576A CN106763550A CN 106763550 A CN106763550 A CN 106763550A CN 201611260576 A CN201611260576 A CN 201611260576A CN 106763550 A CN106763550 A CN 106763550A
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- Prior art keywords
- gear
- driven
- input shaft
- gears
- driving
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
Double-clutch automatic transmission is kept off the present invention relates to a kind of nine, it is characterised in that：Odd number gear input shaft keeps off clutch C1 and is connected by spline and odd number, even number gear input shaft keeps off clutch C2 and is connected by spline and even number, even number gear input shaft is hollow sleeve axle, even number gear input shaft is enclosed within odd number gear input shaft, and eight gear driving gears, two gear driving gear, four or six keep off driving gears, are connected in turn from front to back on even number gear input shaft；One reverse gear Zhu Dong Chi Lun ﹑ tri- or five gear driving gear, nine gear driving gears be connected in turn from front to back odd number gear input shaft on；By odd number bearings on case of transmission, even number gear input shaft is by even number bearings on case of transmission for odd number gear input shaft；Seven or nine gear synchronizers are arranged on odd number gear input shaft；It has nine forward gears and one reverses gear, longitudinal rear-guard vehicle before matching, has the advantages that to ensure that vehicle obtains good dynamic power ﹑ economy and gearshift Shu Shi ﹑ agilities.
Description
Technical field
Double-clutch automatic transmission is kept off the present invention relates to a kind of nine, belongs to the automatic gearbox of auto manufacturing
Technical field.
Background technology
In double-clutch automatic transmission, each gear driving gear of speed changer by odd, even several gears respectively with input
Two clutches C1, C2 connection set on axle, alternately transmission power is switched with realizing gear for clutch C1, C2.DCT works
When, vehicle is first run with certain gear, electrical control unit of automatic transmission（TCU）Signal according to related sensor judges to enter
Enter next gear of work, because the gear clutch separation does not transmit power also, therefore instruction hydraulic pressure controlling solenoid valve is very convenient
Control gear shifting actuating mechanism, this gear is engaged in advance, vehicle operation reach shifting points when, it is only necessary to by what is worked
Clutch separation, while by the engagement of another clutch, then making automobile be travelled with next gear.In shift process, start
The power of machine is constantly passed to wheel all the time, so the shift process for so completing is power shifting.Vehicle realizes dynamic
Power shift process, will be greatly enhanced shifting comfort, while also ensure that vehicle has good economy, make vehicle oil consumption and
The aspects such as discharge make moderate progress.
In the design of existing double-clutch automatic transmission, the speed changer with double jackshafts and meshing gear group is used
Different dedicated gear pairs compares come the speed for realizing multiple forward gears and reverse gear.Therefore, in the speed of speed changer is than designing, required tooth
The quantity of wheel is excessive, particularly more prominent in a fairly large number of speed changer of gear.The present invention is using shared driving tooth
The design of wheel, reduces the quantity of driving gear, reduces the arrangement space of speed changer, reduces cost, and favorably
In the transmission gear ratio optimization design for adapting to different automobile types torque range.
The content of the invention
Double-clutch automatic transmission is kept off it is an object of the invention to provide a kind of nine, it has nine forward gears and one
Reverse gear, longitudinal rear-guard vehicle before matching obtains good dynamic power ﹑ economy quick with gearshift Shu Shi ﹑ with guarantee vehicle
The advantage of property.
The technical proposal of the invention is realized in this way：Nine gear double-clutch automatic transmissions, it is characterised in that：Odd number
Gear input shaft keeps off clutch C1 and is connected by spline and odd number, and even number gear input shaft keeps off clutch C2 phases by spline with even number
Even, even number gear input shaft is hollow sleeve axle, and even number gear input shaft is enclosed within odd number gear input shaft,
Eight gear driving gears, two gear driving gear in input axle assembly, four or six gear driving gears are connected in turn from front to back
On even number gear input shaft；One reverse gear Zhu Dong Chi Lun ﹑ tri- or five gear driving gear, nine gear driving gears be connected in turn from front to back very
On number gear input shaft；By odd number bearings on case of transmission, even number gear input shaft passes through even number to odd number gear input shaft
Bearings are on case of transmission；Seven or nine gear synchronizers are arranged on odd number gear input shaft；
Two gear driven gears, four are sequentially arranged from front to back on one two three four gear jackshafts in one two three four gear countershaft assemblys
Gear gear driven gear, a gear driven gear, three gear driven gears, parking gear and deceleration driving gear, two gear driven gears and
There are two or four gear synchronizers position between four gear gear driven gears, and the position between a gear driven gear and three gear driven gears has
One or three gear synchronizers, the front end of one two three four gear jackshafts and middle section position are by post bearings, one two three four gear jackshafts
Rear end by ball bearing support；
5689 reverse gear in countershaft assembly 5689 to reverse gear and be sequentially arranged eight gear driven tooths from front to back on jackshaft
The jackshaft that reverses gear of wheel, six grades of driven gears, the driven gear that reverses gear, five gear driven gears, nine gear driven gears and 5689 subtracts
There are six or eight gear synchronizers fast gear, the position between eight gear driven gears and six grades of driven gears, and reverse gear driven gear and five gears
There are five reverse gear synchronizers position between driven gear, and 5689 reverse gear jackshaft front end and middle section position holds branch by axis of a cylinder
Support, 5689 rear ends for reversing gear jackshaft are supported by ball bearing；
Front reduction gear driven gear and rear deceleration driven gear are connected on the output shaft for exporting axle assembly, output shaft passes through two
Individual cone bearing support,
Idle pulley is connected on the idler shaft of idle pulley axle assembly, actively and passively idle pulley uses dual gear structure, idler shaft to be fixed on
On housing；
Even number gear input shaft on eight gear driven gears with eight gear driving gears engage, four or six gear driving gear sides and six keep off from
Moving gear is engaged, and opposite side is engaged with four gear driven gears；Three or five gear driving gear sides and five gears on odd number gear input shaft
Driven gear engage, opposite side with three gear driven gears engage, one reverse gear driving gear with one keep off driven gear engage, nine keep off lead
Moving gear is engaged with nine gear driven gears；The front reduction gear driven gear of output shaft is nibbled with 5689 jackshaft reduction gearing of reversing gear
Close, the rear deceleration driven gear of output shaft is engaged with deceleration driving gear.
Described one reverses gear the position of driving gear and three or five gear driving gears on odd number gear input shaft can be front and rear
It is reverse, while five gear driven gears and the driven gear that reverses gear are put the cart before the horse in 5689 positions reversed gear on jackshaft,
The position of three gear driven gears and a gear driven gear on one two three four gear jackshafts is put the cart before the horse, nibbling between each gear
Conjunction relation is constant.
The positive effect of the present invention is more reasonable with structure, the characteristics of compact and simple.
Brief description of the drawings
Fig. 1 is arrangement schematic diagram of the present invention.
Fig. 2 keeps off driving gear and the driving gear that reverses gear is put the cart before the horse arrangement figure for the present invention three or five.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：As shown in figure 1, nine gear double-clutch type automatic gear shiftings
Device, it is characterised in that：Odd number gear input shaft 2 keeps off clutch C1 and is connected by spline and odd number, and even number gear input shaft 1 passes through spline
It is connected with even number gear clutch C2, even number gear input shaft 1 is hollow sleeve axle, even number gear input shaft 1 is enclosed within odd number gear input shaft 2
On,
Eight gear driving gears 4 in input axle assembly, two gear driving gear 15,46 are kept off driving gear 7, are connected successively from front to back
It is connected on even number gear input shaft 1；One reverses gear the gear gears of driving gear 21, nine of 20 ﹑ of driving gear tri- or five driving gear 27 from front to back
It is connected in turn on odd number gear input shaft 2；Odd number gear input shaft 2 is supported on case of transmission by odd number bearing 32, even number
Gear input shaft 1 is supported on case of transmission by even number bearing 3；Seven or nine gear synchronizers 26 are arranged on odd number gear input shaft 2；
Two gear driven gears are sequentially arranged from front to back on one two three four gear jackshafts 31 in one two three four gear countershaft assemblys
33rd, the four gear gear gear gear of driven gear 36, three of a driven gear 37, driven gears 34, parking gear 30 and deceleration driving gear 29,
There are two or four gear synchronizers 28, a gear driven gear 36 and three in position between the two gear gear gear driven gears 37 of driven gear 33 and four
Position between gear driven gear 34 has the front end of one or the three gear gear jackshafts 31 of synchronizer 35,1 and middle section position to pass through
Axis of a cylinder holds 5 supports, and the rear end of one two three four gear jackshafts 31 is supported by ball bearing 19；
5689 reverse gear in countershaft assembly 5689 to reverse gear that be sequentially arranged eight gears from front to back on jackshaft 18 driven
6, six grades of driven gears 9 of gear, the driven gear 12, five that the reverses gear gear gear driven gear 16 and 5689 of driven gear 14, nine fall
There are six or eight gear synchronizers 8 gear jackshaft reduction gearing 17, the position between eight gear driven gears 6 and six grades of driven gears 9, reverses gear
Position between the gear driven gear 14 of driven gear 12 and five has five reverse gear synchronizers 13,5689 to reverse gear the front end of jackshaft 18
5 supports are held by axis of a cylinder with middle section position, 5689 rear ends for reversing gear jackshaft 18 are supported by ball bearing 19；
Front reduction gear driven gear 25 and rear deceleration driven gear 24, output shaft are connected on the output shaft 23 for exporting axle assembly
23 are supported by two cone bearings 22,
Idle pulley 10 is connected on the idler shaft 11 of idle pulley axle assembly, actively and passively idle pulley uses dual gear structure, idler shaft 11
It is fixed on housing；
Eight gear driven gears 6 on even number gear input shaft 1 are engaged with eight gear driving gears 4, four or the six gear sides of driving gear 7 and six
Gear driven gear 9 is engaged, and opposite side is engaged with four gear driven gears 37；Three or five gear driving gears 21 on odd number gear input shaft 2
Side with five gear driven gears 14 engage, opposite side with three gear driven gears 34 engage, one reverse gear driving gear 20 and keep off from
Moving gear 36 is engaged, and nine gear driving gears 27 are engaged with nine gear driven gears 16；The front reduction gear driven gear 25 of output shaft 23 with
5689 jackshaft reduction gearing 17 of reversing gear are engaged, and rear deceleration driven gear 24 and the deceleration driving gear 29 of output shaft 23 are nibbled
Close.
As shown in Fig. 2 described one reverse gear driving gear 20 and 35 gear driving gear 21 odd number gear input shaft 2 on
Position can put the cart before the horse, while five gear driven gears 14 and the driven gear 12 that reverses gear reverse gear on jackshaft 18 5689
Position put the cart before the horse, three gear driven gears 34 and a gear driven gears 36 1 gear jackshafts 31 on arrangements
Position is put the cart before the horse, and the meshing relation between each gear is constant.
During work, when clutch C1 combinations, power passes to odd number gear input shaft 2, odd number gear input via clutch C1
Axle 2 is connected with one, three, five, nine, driving gear one of reversing gear.For odd number gear, its power via odd number gear input shaft 2 one,
3rd, five, nine, the driving gear that reverses gear be delivered on corresponding jackshaft one, three, five, nine, reverse gear on driven gear, synchronized device
Corresponding jackshaft is imparted power to, is passed to by 5689 reverse gear jackshaft reduction gearing 17, deceleration driving gears 29
Output shaft 23 outputs power.When clutch C2 combinations, power passes to even number gear input shaft 1, even number gear via clutch C2
Input shaft 1 is connected with two, four, six, eight gear driving gear one.For even number gear, its power by even number gear input shaft 1 two,
4th, six, eight gear driving gears are delivered on corresponding jackshaft two, four, six, eight gear driven gears, and synchronized device is by power
Corresponding jackshaft is passed to, output shaft is passed to by 5689 reverse gear jackshaft reduction gearing 17, deceleration driving gears 29
23 output power.For reversing gear, when clutch C1 combinations, power is by reversing gear that odd number gear input shaft 2 and one body phase connect
Driving gear 20 is delivered on the idle pulley 10 reversed gear on idler shaft 11, then is delivered to jackshaft through reverse gear 12 and synchronizer 13
On 18, output shaft 23 is passed to by reduction gearing 17 and is outputed power.When vehicle runs in a certain gear, it is next will
The gear of operation can all the time be in engagement state；When shifting points are reached, the clutch point of engagement state need to will be only in
From, the clutch in released state is engaged, that is, switch two working conditions of clutch, so that it may complete gear shifting action.
Claims (2)
1. nine double-clutch automatic transmission is kept off, it is characterised in that：Odd number gear input shaft keeps off clutch by spline with odd number
C1 is connected, and even number gear input shaft keeps off clutch C2 and is connected by spline and even number, and even number gear input shaft is hollow sleeve axle, even number gear
Input shaft is enclosed within odd number gear input shaft,
Eight gear driving gears, two gear driving gear in input axle assembly, four or six gear driving gears are connected in turn from front to back
On even number gear input shaft；One reverse gear Zhu Dong Chi Lun ﹑ tri- or five gear driving gear, nine gear driving gears be connected in turn from front to back very
On number gear input shaft；By odd number bearings on case of transmission, even number gear input shaft passes through even number to odd number gear input shaft
Bearings are on case of transmission；Seven or nine gear synchronizers are arranged on odd number gear input shaft；
Two gear driven gears, four are sequentially arranged from front to back on one two three four gear jackshafts in one two three four gear countershaft assemblys
Gear gear driven gear, a gear driven gear, three gear driven gears, parking gear and deceleration driving gear, two gear driven gears and
There are two or four gear synchronizers position between four gear gear driven gears, and the position between a gear driven gear and three gear driven gears has
One or three gear synchronizers, the front end of one two three four gear jackshafts and middle section position are by post bearings, one two three four gear jackshafts
Rear end by ball bearing support；
5689 reverse gear in countershaft assembly 5689 to reverse gear and be sequentially arranged eight gear driven tooths from front to back on jackshaft
The jackshaft that reverses gear of wheel, six grades of driven gears, the driven gear that reverses gear, five gear driven gears, nine gear driven gears and 5689 subtracts
There are six or eight gear synchronizers fast gear, the position between eight gear driven gears and six grades of driven gears, and reverse gear driven gear and five gears
There are five reverse gear synchronizers position between driven gear, and 5689 reverse gear jackshaft front end and middle section position holds branch by axis of a cylinder
Support, 5689 rear ends for reversing gear jackshaft are supported by ball bearing；
Front reduction gear driven gear and rear deceleration driven gear are connected on the output shaft for exporting axle assembly, output shaft passes through two
Individual cone bearing support,
Idle pulley is connected on the idler shaft of idle pulley axle assembly, actively and passively idle pulley uses dual gear structure, idler shaft to be fixed on
On housing；
Even number gear input shaft on eight gear driven gears with eight gear driving gears engage, four or six gear driving gear sides and six keep off from
Moving gear is engaged, and opposite side is engaged with four gear driven gears；Three or five gear driving gear sides and five gears on odd number gear input shaft
Driven gear engage, opposite side with three gear driven gears engage, one reverse gear driving gear with one keep off driven gear engage, nine keep off lead
Moving gear is engaged with nine gear driven gears；The front reduction gear driven gear of output shaft is nibbled with 5689 jackshaft reduction gearing of reversing gear
Close, the rear deceleration driven gear of output shaft is engaged with deceleration driving gear.
2. nine gear double-clutch automatic transmissions according to claim 1, it is characterised in that described one is reversed gear master
Moving gear and three or five gear driving gears odd number gear input shaft on position can put the cart before the horse, while five gear driven gears and
The driven gear that reverses gear is put the cart before the horse in 5689 positions reversed gear on jackshaft, and three gear driven gears and keep off driven tooth
The position taken turns on one two three four gear jackshafts is put the cart before the horse, and the meshing relation between each gear is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260576.7A CN106763550B (en) | 2016-12-30 | 2016-12-30 | Nine-gear double clutch type automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260576.7A CN106763550B (en) | 2016-12-30 | 2016-12-30 | Nine-gear double clutch type automatic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763550A true CN106763550A (en) | 2017-05-31 |
| CN106763550B CN106763550B (en) | 2023-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611260576.7A Active CN106763550B (en) | 2016-12-30 | 2016-12-30 | Nine-gear double clutch type automatic transmission |
Country Status (1)
| Country | Link |
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| CN (1) | CN106763550B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083987A (en) * | 2018-08-31 | 2018-12-25 | 徐州工程学院 | A kind of nine speed dual clutch gearboxes for all-wheel drive vehicles |
| CN109869449A (en) * | 2017-12-04 | 2019-06-11 | 现代自动车株式会社 | More gear double-clutch speed changers for hybrid vehicle |
| CN112067287A (en) * | 2020-09-17 | 2020-12-11 | 中国第一汽车股份有限公司 | Odd-gear input shaft torque fatigue test method and test system |
| CN112709789A (en) * | 2020-12-25 | 2021-04-27 | 中国第一汽车股份有限公司 | Eight-gear double-clutch transmission |
| CN113685508A (en) * | 2020-05-18 | 2021-11-23 | 广州汽车集团股份有限公司 | Nine-gear double-clutch transmission and vehicle |
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| US20140144288A1 (en) * | 2012-11-29 | 2014-05-29 | Zf Friedrichshafen Ag | Traction supported multi group transmission |
| US20160298733A1 (en) * | 2013-11-15 | 2016-10-13 | Daimler Ag | Dual Clutch Transmission |
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| CN109869449B (en) * | 2017-12-04 | 2024-01-26 | 现代自动车株式会社 | Multi-speed dual clutch transmission for hybrid vehicle |
| CN109083987A (en) * | 2018-08-31 | 2018-12-25 | 徐州工程学院 | A kind of nine speed dual clutch gearboxes for all-wheel drive vehicles |
| CN113685508A (en) * | 2020-05-18 | 2021-11-23 | 广州汽车集团股份有限公司 | Nine-gear double-clutch transmission and vehicle |
| CN113685508B (en) * | 2020-05-18 | 2024-01-26 | 广州汽车集团股份有限公司 | Nine-gear double-clutch transmission and vehicle |
| CN112067287A (en) * | 2020-09-17 | 2020-12-11 | 中国第一汽车股份有限公司 | Odd-gear input shaft torque fatigue test method and test system |
| CN112709789A (en) * | 2020-12-25 | 2021-04-27 | 中国第一汽车股份有限公司 | Eight-gear double-clutch transmission |
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