CN2720195Y - Two-clutch type automatic speed changer - Google Patents
Two-clutch type automatic speed changer Download PDFInfo
- Publication number
- CN2720195Y CN2720195Y CN 200420012387 CN200420012387U CN2720195Y CN 2720195 Y CN2720195 Y CN 2720195Y CN 200420012387 CN200420012387 CN 200420012387 CN 200420012387 U CN200420012387 U CN 200420012387U CN 2720195 Y CN2720195 Y CN 2720195Y
- Authority
- CN
- China
- Prior art keywords
- gear
- clutch
- automatic transmission
- vehicle
- shifting
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 206010009232 Clang associations Diseases 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
本实用新型属于车辆中的机械式自动变速器，特别是一种新型结构的双离合器式自动变速器，它包括各档位齿轮副、换档同步装置及换档控制系统，其特征在于其动力输入轴和输出轴上各设置有一个湿式离合器，各档位齿轮副按奇、偶数档位划分，分别与该两个湿式离合器之中的一个离合器的从动片相连接，两个离合器交替传递工作动力以实现档位切换。其换档工作中不存在动力中断，而且缩短了换档时间，极大的提高了换档舒适性，保证了车辆具有良好的动力性和换档品质。以结构简单的平行轴式结构达到了结构复杂的旋转轴式自动变速器的效果，结构更加紧凑，成本更低。
The utility model belongs to a mechanical automatic transmission in a vehicle, in particular to a dual-clutch automatic transmission with a new structure, which includes various gear pairs, a shift synchronization device and a shift control system, and is characterized in that its power input shaft There is a wet clutch on the output shaft and each gear pair is divided into odd and even gears, and they are respectively connected to the driven plate of one of the two wet clutches, and the two clutches transmit working power alternately. To achieve gear switching. There is no power interruption in the shifting work, and the shifting time is shortened, the shifting comfort is greatly improved, and the vehicle has good power and shifting quality. The simple parallel shaft structure achieves the effect of the complex rotary shaft automatic transmission, and the structure is more compact and the cost is lower.
Description
Technical field
The utility model belongs to the double-clutch automatic transmission of the automatic transmission in the vehicle, particularly a kind of new structure.
Technical background
Fast development along with automotive engineering, the automatic gear for vehicle that various ways occurred, mainly contain: hydraulic mechanical type automatic transmission (AT), mechanical continuously-variable transmission (CVT), and exerting both at home and abroad the electric control mechanical type automatic speed variator (AMT) studied in recent years.The particularly development of electric control mechanical type automatic speed variator because it has the advantage of the existing manual transmission production investment of the desired high fuel economy of present automobile industry development, low emission and protection, just has been subjected to the attention of each big automobile factory.
The generation of electric control mechanical type automatic speed variator is based on the development of traditional parallel-axis type manual transmission and comes.Among developmental research process to electric control mechanical type automatic speed variator, also discovery gradually its some shortcomings, power interruption when the problem of its maximum is exactly gear shift, this power character to vehicle, travelling comfort and fuel economy and discharging have brought certain influence.AMT plucks neutral gear with speed changer then because its structural principle has determined it at first to want cut-off clutch in gearshift procedure, gear selecting, gear shift again, last engaging clutch.Like this, after clutch separation, before clutch engages again again, the power of motor can not be passed to wheel and go the powered vehicle operation, so produced the interruption of transmission of power in the gearshift procedure, vehicle certainly leads to retardation, and shift time is long, brings adverse effect for the acceleration, travelling comfort etc. of vehicle.
Double-clutch automatic transmission (DCT) is emerging in recent years a kind of automatic transmission form, it can solve the power interruption problem that present automobile electric control mechanical type automatic speed variator produces effectively in gearshift procedure, present double-clutch automatic transmission structure as shown in Figure 4, though it has solved the power interruption problem in the gearshift procedure, but its complex structure, be difficult to manufacturing, particularly double clutch device, manufacture cost is very high.
Summary of the invention
The purpose of this utility model is to propose the double-clutch automatic transmission that a kind of structure is simple and direct, manufacture cost is lower, safe and reliable, to overcome the shortcoming that present various automatic transmission exists.
The utility model double-clutch automatic transmission, comprise each shifting gear pair, gear shift synchronizer and shift control, it is characterized in that respectively being provided with on its power input shaft and the output shaft wet clutch, each shifting gear is secondary to be divided by strange, even number gear, be connected with the driven plate of a clutch among these two wet clutches respectively, two clutches alternately transmit operation power to realize gear switch.
Working principle of the present utility model is: when vehicle moves with a certain gear that links to each other with a clutch, control system is prejudged next gear that links to each other with another clutch that is about to the work of entering, because of this gear transferring power not also, so can instruct the self-clanging gear-shift gear of substituting in advance very easily, when vehicle operating reaches shift point, with the clutch separation of working,, automobile is travelled with next gear simultaneously with another clutch.In gearshift procedure, the power of motor constantly is passed to wheel all the time, so the gearshift procedure of finishing like this is the uninterrupted gear shift of power.
Good effect of the present utility model is:
1. because double-clutch automatic transmission is to handle according to the principle of power shfit, it has the advantage of the two concurrently between AT automatic transmission and two kinds of automatic gearboxes of AMT.There is not power interruption in double-clutch automatic gearbox in gear shift work, do not produce so significantly slow down during gear shift.And it has shortened shift time, has improved the gear shift travelling comfort greatly, has guaranteed that vehicle has good power character and property of automatic shft.The inside transmission of double-clutch automatic transmission is the pure mechanical transmission of gear type, and the transmission efficiency during its operation is equal to electric control mechanical type automatic speed variator (AMT).Carry out work though this double-clutch automatic transmission also needs extra power to control it, internal structure that it is specific and decision-making capability have than the better fuel economy of traditional speed changer this speed changer.And because the improvement of control mode, the shortening of shift time also makes moderate progress to aspects such as vehicle oil consumption and dischargings.
2. because double-clutch automatic transmission is to carry out automation on former traditional manual transmission basis, thereby reached the effect of baroque running shaft (planetary pinion) formula automatic transmission with parallel-axis type structure simple in structure, but structure is compact more, and cost is lower.Its cost is well below automatic transmission such as AT, CVT.
3. double clutch of the present utility model is made up of two independent single clutch, and its structure does not need otherwise designed, and single wet clutch is matured product, good reliability, and cost is low.
4. the double-clutch automatic transmission of the utility model structure is simple in structure, is easy to processing.
Description of drawings
Fig. 1 is the utility model double-clutch automatic transmission structural drawing;
Working state schematic representation when Fig. 2 begins with one grade of operation for the utility model double-clutch automatic transmission;
Working state schematic representation when Fig. 3 moves with second gear for the utility model double-clutch automatic transmission changes;
Fig. 4 figure is present double-clutch automatic transmission structural representation.
Embodiment
The embodiment who provides below in conjunction with accompanying drawing is further elaborated technical solutions of the utility model.
Among Fig. 1 to 3: 1 is input shaft, 2 is the fourth gear driving gear, 3 be two, the fourth gear synchronizer, 4 is the second gear driving gear, 5 is one, three, reverse clutch, 6 is third speed drive gear, 7 is one grade of driving gear, and 8 is reverse driving gear, and 19 is the reverse gear mesomerism gear, 9 is output shaft, 10 be reverse gear in conjunction with gear ring, 11 is the reverse gear combined cover, 12 is the reverse gear driven gear, 13 is first speed driven gear, 14 be one, the third gear synchronizer, 15 is the third gear driven gear, 16 is the second gear driven gear, 17 is the fourth gear driven gear, 18 is two, the fourth gear clutch.
With reference to Fig. 1, has five speed change gears double-clutch automatic transmission of (comprising the back reverse gear), mainly by forming: two independent wet clutches, five speed change gear gear pairs and corresponding gear shift synchronizer, control system and gearshift mechanism (not drawing among the figure) thereof with the bottom.One, three, reverse clutch 5 is arranged on the input shaft 1 its concrete structure is:, the driven plate of clutch 5 and third speed drive gear 6, one grade of driving gear 7 are connected with reverse driving gear 8.Two, fourth gear clutch 18 is arranged on the output shaft 9, and the driven plate of clutch 18 is connected with second gear driven gear 16, fourth gear driven gear 17.Second gear driving gear 4 and fourth gear driving gear 2 between them are two, fourth gear synchronizer 3 on input shaft 1.And first speed driven gear 13 and third gear driven gear 15 are positioned on the output shaft 9, between them are one, third gear synchronizer 14.Reverse gear driven gear 12 also is positioned on the output shaft 9, engages in conjunction with gear ring 10 with reverse gear on being fixed on output shaft 9 or separates by reverse gear combined cover 11.Reverse gear mesomerism gear 19 and reverse driving gear 8 and 12 engagements of reverse gear driven gear, transferring power.
With reference to Fig. 2, when vehicle was in vehicle stop state, two clutches were all often opened, and promptly all were in separated state, not transferring power at two clutches at ordinary times.When vehicle is started to walk with one grade, two, fourth gear clutch 18 is a separated state, self-clanging gear-shift with one, third gear synchronizer 14 is engaged to first speed driven gear 13, gear switch is the I shelves, then one, three, reverse clutch 5 engages, vehicle begins with one grade of operation, and this moment, power transmission line was: input shaft 1 →, three, 5 → one grades of driving gear 7 → first speed driven gears 13 → of reverse clutch, third gear synchronizer 14 → output shaft 9.
Vehicle is when one grade of operation, because this moment two, fourth gear clutch 18 is in separated state, transferring power not, when vehicle quickens, when reaching the shift point near second gear, self-clanging gear-shift can change to second gear in advance with gear, be about to two, fourth gear synchronizer 3 is engaged to second gear driving gear 4, then one, three, reverse clutch 5 begins to separate, the while two, fourth gear clutch 18 begins to engage, and two clutches alternately switch, up to one, three, reverse clutch 5 separates fully, two, fourth gear clutch 18 engages fully, and whole gearshift procedure finishes, and vehicle changes to second gear.
With reference to Fig. 3, the power transmission line of second gear is: input shaft 1 → two, fourth gear synchronizer 3 → second gear driving gear 4 → second gear driven gear 16 → two, fourth gear clutch 18 → output shaft 9.
After vehicle enters the second gear operation, the vehicular automatic transmission ECU (Electrical Control Unit) can be known the current running state of vehicle according to relevant sensor signals, and then judge that vehicle is about to enter the gear of operation, if vehicle quickens, then next gear is a third gear, if vehicle deceleration, then next gear is one grade.And one grade and third gear all are connected in one, three, on the reverse clutch 5, because this clutch is in separated state, transferring power not, be about to the gear of the work of entering so can instruct self-clanging gear-shift to substitute in advance very easily, when vehicle operating reaches shift point, only need to work two, fourth gear clutch 18 separates, simultaneously one, three, reverse clutch 5 engages, the work good switching sequence of two clutches, whole gear shift action is all finished.The handoff procedure of other gear that advances also is like this.
During reverse gear, two, fourth gear clutch 18 separates, one, three, reverse clutch 2 engages, one, third gear synchronizer 14 mediates, reverse gear combined cover 11 combines gear ring 10 combinations with reverse gear driven gear 12 with reverse gear, drive driven shaft 9 and export reverse gears.
The structural principle of below only just have one, two, three, four, the embodiment of totally five gear speed changers for example understanding technical solutions of the utility model; can realize more speed change gear or modification set-up mode fully by this design; but so long as form double clutch construction with two independent wet clutches; connect each Transmission gear respectively step by step; realize the alternate type gear switch, all belong to the claim protection domain of the utility model technical conceive.
Claims (2)
1. double-clutch automatic transmission, comprise each shifting gear pair, gear shift synchronizer and shift control, it is characterized in that respectively being provided with on its power input shaft and the output shaft wet clutch, each shifting gear is secondary to be divided by strange, even number gear, be connected with the driven plate of a clutch among these two wet clutches respectively, two clutches alternately transmit operation power to realize gear switch.
2. double-clutch automatic transmission according to claim 1, it is characterized in that the described driven plate that is arranged on the wet clutch (5) on the input shaft (1) is connected with third speed drive gear (6), one grade of driving gear (7) and reverse driving gear (8), the driven plate that is arranged on the wet clutch (18) on the output shaft (9) is connected with second gear driven gear 16, fourth gear driven gear 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420012387 CN2720195Y (en) | 2004-08-24 | 2004-08-24 | Two-clutch type automatic speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420012387 CN2720195Y (en) | 2004-08-24 | 2004-08-24 | Two-clutch type automatic speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2720195Y true CN2720195Y (en) | 2005-08-24 |
Family
ID=35009155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420012387 Expired - Fee Related CN2720195Y (en) | 2004-08-24 | 2004-08-24 | Two-clutch type automatic speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2720195Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078426B (en) * | 2006-05-24 | 2010-09-29 | 比亚迪股份有限公司 | Automatic transmission with power compensation |
| CN101713459B (en) * | 2009-08-11 | 2013-02-20 | 浙江吉利汽车研究院有限公司 | Double clutch type automatic gearbox |
-
2004
- 2004-08-24 CN CN 200420012387 patent/CN2720195Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078426B (en) * | 2006-05-24 | 2010-09-29 | 比亚迪股份有限公司 | Automatic transmission with power compensation |
| CN101713459B (en) * | 2009-08-11 | 2013-02-20 | 浙江吉利汽车研究院有限公司 | Double clutch type automatic gearbox |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101713448B (en) | Double clutch type automatic gearbox | |
| CN202579992U (en) | Double-intermediate-shaft double-clutch automatic gearbox structure | |
| CN2924171Y (en) | Dual-clutch automatic transmission with anti-hanging dual-gear lock-up | |
| CN1616853A (en) | Dual Clutch Automatic Transmission | |
| CN101713459B (en) | Double clutch type automatic gearbox | |
| CN1415876A (en) | Double-clutch type auto speed variable gear | |
| CN103821897B (en) | Electric motor car two grades of automatic speed changer for machine of single planet circular system | |
| CN201487145U (en) | Automobile automatic transmission | |
| CN201705861U (en) | Double-clutch automatic transmission | |
| CN2898448Y (en) | Automatic speed variator | |
| KR20180040975A (en) | Power transmission apparatus for vehicle | |
| CN202484216U (en) | Six-speed double-clutch type automatic gearbox | |
| CN106696674A (en) | Speed change mechanism of hybrid power vehicle | |
| CN106696672A (en) | Variable speed gear of hybrid vehicle | |
| CN201209652Y (en) | Automatic speed-transmission system for automobile shifting | |
| CN202628959U (en) | Automatic speed changer with two clutches | |
| CN101303073B (en) | Division and convergent current type multiple-shift automatic transmission system | |
| CN202468962U (en) | Automatic gearbox | |
| CN101907150B (en) | Double-clutch automatic transmission without reverse gear shaft | |
| CN106838188B (en) | A kind of double-clutch automatic gearbox transmission device | |
| CN201651186U (en) | Dual-clutch transmission for vehicle | |
| CN203543615U (en) | Electric vehicle drive system based on integration of motor and AMT | |
| CN2720195Y (en) | Two-clutch type automatic speed changer | |
| CN201705865U (en) | Seven-speed double-clutch transmission | |
| CN201916428U (en) | Dual-clutch automatic transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050824 Termination date: 20090824 |