CN101526123A - Car complex transmission double-clutch transmission - Google Patents
Car complex transmission double-clutch transmission Download PDFInfo
- Publication number
- CN101526123A CN101526123A CN200910043049A CN200910043049A CN101526123A CN 101526123 A CN101526123 A CN 101526123A CN 200910043049 A CN200910043049 A CN 200910043049A CN 200910043049 A CN200910043049 A CN 200910043049A CN 101526123 A CN101526123 A CN 101526123A
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- Prior art keywords
- gear
- transmission
- driving
- grade
- belt wheel
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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
- F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
Abstract
The invention relates to a car complex transmission double-clutch transmission which comprises a powder separation and coupling device, a stepless speed changing unit, a double-shaft transmission mechanism, part connecting gears and a gear selecting and shifting actuating mechanism, wherein the powder separation and coupling device comprises wet-type double clutches, and the stepless speed changing unit is a belt-type stepless speed changing unit capable of changing the radius of a belt wheel and comprises a driving belt wheel and a driven belt wheel; either belt wheel comprises a movable disc at one side and a fixed disc at the other side, and the movable disc can axially move; a hydraulic actuating mechanism pushes the movable disc to axially move so as to continuously change the working radius of the belt wheel and continuously change the transmission ratio of the belt-type stepless speed changing unit; the double-shaft transmission mechanism is formed by sleeving a hollow transmission shaft on a central transmission shaft to form two transmission shafts, respectively arranges gears of the transmission on the two transmission shafts connected with the two clutches according to odd numbers and even numbers and finishes the gear-shifting process by alternately shifting the two clutches to realize power gear shifting.
Description
Technical field
The present invention is a kind of car complex transmission double-clutch transmission, the form that the Belt-type Adjustable-speed of employing gear step change and variable pulley radius combines, belong to the automobile automatic gear technical field, can be used in the car of engine behind front wheel, front-wheel drive or rear wheel drive, also can be applicable to other need be with the occasion of gear shift mode transferring power.
Background technique
Traditional dual-clutch transmission (Double Clutch Transmission is designated hereinafter simply as DCT) comes down to two gear-driving speed-variable casees are combined, and does the gear transmission of step change.It controls odd number shelves, even number shelves gear respectively with two clutches, the pre-joint by gear and the separation of two clutches with engage the transmission that realizes different gear tractive force.
Though DCT has solved the comfortableness problem of gear shift, owing to be step change transmission, there is jump and discontinuous in adjacent gear.It is continually varying that desirable transmission of power requires the speed ratio of transmission device, and this is the defective of DCT.
Variable Speed Technology (being designated hereinafter simply as CVT) has appearred subsequently, the corresponding stepless speed changes devices that various ways occurs.As adhesive tape type, compound dried belt, wet type metal band type, wet type metal chain type, conical ring formula or the like.Wherein the wet type metal band type is the most common.But also there is shortcoming in the metal tape transmission.For example when starting, need bigger deceleration that big driving moment recently is provided, smooth to guarantee vehicle start.And stepless speed variator is the type of skill that belongs to friction driving, for guaranteeing that driving pulley/passive belt wheel is in big reduction speed ratio state, need provide enough big clamping force to passive belt wheel.But under the starting state, skidding appears in driving pulley easily, has reduced transmission efficiency just, has influenced the starting power of vehicle, and has aggravated the wearing and tearing of metal tape and belt wheel, can shorten the life-span of metal tape.Then be prone to climbing of metal tape and passive belt wheel during high vehicle speeds and move phenomenon, occur above-mentioned unfavorable situation equally.
All there are defective separately in simple gear transmission step change (DCT) or simple stepless change (CVT).The present invention combines the advantage of DCT and CVT, abandon defective separately, release a kind of new automobile complex transmission double-clutch transmission (Hybrid Double Clutch Transmission, be designated hereinafter simply as HDCT), the form that the Belt-type Adjustable-speed of employing gear step change and variable pulley radius combines, very suitable automatic transmission as car, this technological scheme is not seen similar report both at home and abroad as yet at present.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art and a kind of novel car complex transmission double-clutch transmission (Hybrid Double Clutch Transmission is provided, be designated hereinafter simply as HDCT), the form that the Belt-type Adjustable-speed of its employing gear step change and variable pulley radius combines, very suitable automatic transmission as car.
Technological scheme of the present invention is: a kind of car complex transmission double-clutch transmission, this speed changer comprise that power separates bonding apparatus, one group of stepless change unit, two-axle gear and each parts connection gear and gear-selecting and shifting executing mechanism.It is a wet-type dual-clutch that described power separates bonding apparatus; Described stepless change unit is the Belt-type Adjustable-speed device of variable pulley radius, it is made of driving pulley and passive belt wheel, each belt wheel again can axially movable Moving plate by a side and the price fixing of opposite side form, promote Moving plate by hydraulic actuator and move axially, the radius of clean-up that can continuously change belt wheel changes the velocity ratio of Belt-type Adjustable-speed device continuously; Described two-axle gear is for having overlapped a hollow transmission shaft on a center transmission shaft, form two transmission shafts, it with Transmission gear by strange, even number is arranged in two these two transmission shafts that clutch connected on, finish gearshift procedure by alternately switching of double clutch, realized power shfit.
Its concrete structure of speed changer provided by the invention is as follows:
It comprises the wet-type dual-clutch that has input shaft, two wet clutch C2, C1; The central shaft I that has one grade of driving gear, two-way separation joint synchronizer I, third speed drive gear, unidirectional separation joint synchronizer II and reverse gear driving gear; Sky is enclosed within the central shaft II that has the stepless change driving gear on the transmission shaft I of center; The driving pulley axle that has stepless change driven gear and driving pulley; Having main reducing gear driving gear, passive belt wheel, unidirectional separation engages the countershaft of synchronizer III, a grade of driven gear, third gear driven gear and reverse gear driven gear and has the output shaft of main reducing gear driven gear and have the reverse gear idler shaft of reverse gear idle pulley.
Wherein, the end of central shaft I is connected with wet clutch C1, and one grade of driving gear, third speed drive gear and reverse gear driving tooth bye are enclosed within on the central shaft I.Two-way separation engages synchronizer I and is located between one grade of driving gear and the third speed drive gear, be used for controlling one grade with the joint of third gear with separate.Unidirectional separation engages synchronizer II and is located between third speed drive gear and the reverse gear driving gear, the joint that is used for controlling reverse gear with separate.The end that sky is enclosed within the central shaft II that has the stepless change driving gear on the central shaft I is connected with wet clutch C2, the stepless change driven gear engagement on stepless change driving gear and the driving pulley axle.Main reducing gear driving gear on the countershaft and the engagement of the main reducing gear driven gear on the output shaft, passive belt wheel on the countershaft is connected with driving pulley on the driving pulley axle by metal tape, one grade of driven gear on the countershaft, the third gear driven gear respectively with central shaft I on one grade of driving gear, the third speed drive gear engagement, reverse gear driven gear on the countershaft and the engagement of the reverse gear idle pulley on the reverse gear idler shaft, reverse gear driving gear engagement on reverse gear idle pulley and the central shaft I, unidirectional separation engages synchronizer III and is located between passive belt wheel and the one grade of driven gear, the joint that is used for controlling the stepless change unit with separate.
Adopted three synchronizers in the technical program, wherein two-way separation engages one grade of synchronizer I control and separates with the joint of third gear.Unidirectional separation engages synchronizer II and engages synchronizer III and control reverse gear respectively and engage and separate and the stepless change unit with unidirectional the separation.
Working principle of the present invention is as follows:
It adopts wet-type dual-clutch to control two transmission shafts respectively, forms one grade (starting gear), second gear (stepless change shelves), third gear (shelves of overtaking other vehicles), reverse gear, both can be designed to the car transverse, also can be designed to the car longitudinal.Wherein, central shaft I goes up one grade of layout, third gear, reverse gear; Central shaft II goes up and arranges that CVT turns to driving gear, and then forms CVT power bang path, forms second gear.With typical machine automatic transmission AMT (Automated Mechanical Transmission) speed changer is example, five speed ratios are respectively: 1st (3.546), 2nd (2.043), 3rd (1.346), 4th (0.972), 5th (0.769), adopt the HDCT technology path, one grade of gear transmission that keeps 3.546 and 0.769 speed ratio with third gear, and the ratio coverage that stepless change can realize is 2.6～0.445, therefore the ratio coverage that realizes of the second gear stepless change finished of transmission shaft is that tradition has a grade transmission DCT to realize, and is continually varying.Can realize changing from 2.6～0.972 continuous speed ratio, in the middle of this without any speed ratio interrupt and jump, and can jump with the two ends speed ratio in the middle of reducing by setting up a pair of adjusting gear.
Three gears of HDCT, wherein 1 grade and 3 grades is adopted gear transmission, and the transmission efficiency height has overcome the disadvantage of traditional C VT technology at engine speed height two ends; 2 grades of the HDCT speed ratios that adopt stepless change to overcome traditional DCT jump, can theoretically realize that the optimization of motor regulates according to infinite variable speed, and this gear city driving is commonly used just, the lifting that will inevitably bring the car load Economy.Also can reduce the dynamic frequency of doing of traditional DCT double clutch, improve double clutch working life.Adopt the HDCT technology can overcome the impact of jumping and causing to stepless change 2.6 gear ratios, can overcome the impact that 0.972 to 3 grade of 0.769 gear ratios of stepless change is jumped and caused equally, made full use of the technical characterstic of HDCT at 1 grade 3.546.The speed ratio operating range of concrete intermediate section stepless speed variator can be calculated according to the power system coupling and determine.
Because HDCT has adopted double clutch, meshed transmission gear and two kinds of transmission modes of metal tape friction driving, so be called car complex transmission double-clutch transmission.
The present invention compared with prior art, its remarkable advantage is:
(1) simplifies the operation, is easy to drive, do not need manual operation or intervention in the speed changer running, improve the Security and the travelling comfort of vehicle
(2) can improve transmission efficiency by using compound transmission principle, improve the peak output of transmitting, save fuel oil, reduce hazardous emission, environmental.
In sum, the present invention combines the advantage of CVT and DCT, has overcome the shortcoming of existing automatic transmission, is suitable for the Updated product as existing car automatic transmission.
Below in conjunction with the drawings and specific embodiments detailed structure of the present invention is further described.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention.
Embodiment
As shown in drawings: a kind of car complex transmission double-clutch transmission, it comprises the wet-type dual-clutch 2 that has input shaft 1, two wet clutch C127, C226; The central shaft I 13 that has one grade of driving gear 8, two-way separation joint synchronizer I 9, third speed drive gear 10, unidirectional separation joint synchronizer II 11 and reverse gear driving gear 12; Sky is enclosed within the central shaft II 3 that has stepless change driving gear 25 on the central shaft I 13; The driving pulley axle 6 that has stepless change driven gear 4 and driving pulley 5; Having main reducing gear driving gear 24, passive belt wheel 21, unidirectional separation engages the countershaft 16 of synchronizer III 20, a grade of driven gear 19, third gear driven gear 18 and reverse gear driven gear 17 and has the output shaft 23 of main reducing gear driven gear 22 and have the reverse gear idler shaft 15 of reverse gear idle pulley 14.
Wherein, the end of central shaft I 13 is connected with wet clutch C127, and one grade of driving gear 8, third speed drive gear 10 and reverse gear driving gear 12 skies are enclosed within on the central shaft I 13.Two-way separation engages synchronizer I 9 and is located between one grade of driving gear 8 and the third speed drive gear 10, be used for controlling one grade with the joint of third gear with separate.Unidirectional separation engages synchronizer II 11 and is located between third speed drive gear 10 and the reverse gear driving gear 12, the joint that is used for controlling reverse gear with separate.The end that sky is enclosed within the central shaft II 3 that has stepless change driving gear 25 on the central shaft I 13 is connected with wet clutch C226, stepless change driven gear 4 engagements on stepless change driving gear 25 and the driving pulley axle 6.Main reducing gear driving gear 24 on the countershaft 16 and 22 engagements of the main reducing gear driven gear on the output shaft 23, passive belt wheel 21 on the countershaft 16 is connected with driving pulley 5 on the driving pulley axle 6 by metal tape 7, one grade of driven gear 19 on the countershaft 16, third gear driven gear 18 respectively with center transmission shaft I 13 on one grade of driving gear 8, third speed drive gear 10 engagements, reverse gear driven gear 17 on the countershaft 16 and 14 engagements of the reverse gear idle pulley on the reverse gear idler shaft 15, reverse gear driving gear 12 engagements on reverse gear idle pulley 14 and the central shaft I 13, unidirectional separation engages synchronizer III 20 and is located between passive belt wheel 21 and the one grade of driven gear 19, the joint that is used for controlling the stepless change unit with separate.
In the present embodiment, central shaft II 3 and stepless change driving gear 25 adopts the design of shaftgear one, and countershaft 16 and main reducing gear driving gear 24, one grade of driven gear 19, third gear driven gear 18, reverse gear driven gear 17 also adopt the design of shaftgear one.
In the present embodiment, second gear stepless change unit adopts the transmission of wet type metal tape, driving pulley 5 adopts straight edge line awl dish with passive belt wheel 21, driving pulley 5 all is made up of price fixing and Moving plate with passive belt wheel 21, the clamping of Moving plate is finished by hydraulic clamp, promote Moving plate by hydraulic actuator and move axially, the radius of clean-up that can continuously change belt wheel changes the velocity ratio of Belt-type Adjustable-speed device continuously.
Claims (3)
1, a kind of car complex transmission double-clutch transmission is characterized in that: it comprises the wet-type dual-clutch (2) that has input shaft (1), two wet clutches; The central shaft I (13) that has one grade of driving gear (8), two-way separation joint synchronizer I (9), third speed drive gear (10), unidirectional separation joint synchronizer II (11) and reverse gear driving gear (12); Sky is enclosed within the central shaft II (3) that has stepless change driving gear (25) on the center transmission shaft I (13); The driving pulley axle (6) that has stepless change driven gear (4) and driving pulley (5); Having main reducing gear driving gear (24), passive belt wheel (21), unidirectional separation engages the countershaft (16) of synchronizer III (20), one grade of driven gear (19), 3 grades of driven gears (18) and reverse gear driven gear (17) and has the output shaft (23) of main reducing gear driven gear (22) and have the reverse gear idler shaft (15) of reverse gear idle pulley (14);
Wherein, the end of central shaft I (13) is connected with wet clutch C1 (27), and one grade of driving gear (8), third speed drive gear (10) and reverse gear driving gear (12) sky are enclosed within on the central shaft I (13); Two-way separation engages synchronizer I (9) and is located between one grade of driving gear (8) and the third speed drive gear (10), be used for controlling one grade with the joint of third gear with separate; Unidirectional separation engages synchronizer II (11) and is located between third speed drive gear (10) and the reverse gear driving gear (12), the joint that is used for controlling reverse gear with separate; The end that sky is enclosed within the central shaft II (3) that has stepless change driving gear (25) on the central shaft I (13) is connected with wet clutch C2 (26), stepless change driven gear (4) engagement on stepless change driving gear (25) and the driving pulley axle (6); Main reducing gear driven gear (22) engagement on main reducing gear driving gear (24) on the countershaft (16) and the output shaft (23), passive belt wheel (21) on the countershaft (16) is connected with driving pulley (5) on the driving pulley axle (6) by metal tape (7), one grade of driven gear (19) on the countershaft (16), third gear driven gear (18) respectively with central shaft I (13) on one grade of driving gear (8), third speed drive gear (10) engagement, reverse gear idle pulley (14) engagement on reverse gear driven gear (17) on the countershaft (16) and the reverse gear idler shaft (15), reverse gear driving gear (12) engagement on reverse gear idle pulley (14) and the central shaft I (13), unidirectional separation engages synchronizer III (20) and is located between passive belt wheel (21) and the one grade of driven gear (19), the joint that is used for controlling the stepless change unit with separate.
2, car complex transmission double-clutch transmission according to claim 1, it is characterized in that: second gear stepless change unit adopts the transmission of wet type metal tape, driving pulley (5) adopts straight edge line awl dish with passive belt wheel (21), driving pulley (5) all is made up of price fixing and Moving plate with passive belt wheel (21), and the clamping of Moving plate is finished by hydraulic clamp.
3, car complex transmission double-clutch transmission according to claim 1 and 2, it is characterized in that: central shaft II (3) and stepless change driving gear (25) adopt the design of shaftgear one, and countershaft (16) and main reducing gear driving gear (24), one grade of driven gear (19), third gear driven gear (18), reverse gear driven gear (17) also adopt the design of shaftgear one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100430494A CN101526123B (en) | 2009-03-31 | 2009-03-31 | Car complex transmission double-clutch transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100430494A CN101526123B (en) | 2009-03-31 | 2009-03-31 | Car complex transmission double-clutch transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101526123A true CN101526123A (en) | 2009-09-09 |
| CN101526123B CN101526123B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100430494A Expired - Fee Related CN101526123B (en) | 2009-03-31 | 2009-03-31 | Car complex transmission double-clutch transmission |
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| Country | Link |
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| CN (1) | CN101526123B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644700A (en) * | 2012-05-08 | 2012-08-22 | 安徽江淮汽车股份有限公司 | Longitudinal double-clutch automatic gearbox transmission device |
| CN102644699A (en) * | 2012-05-08 | 2012-08-22 | 安徽江淮汽车股份有限公司 | Longitudinal double-clutch automatic gearbox transmission device with direct gear |
| CN104308540A (en) * | 2014-10-16 | 2015-01-28 | 深圳市京田精密五金有限公司 | Integrated gear/worm wheel machining device and integrated machining method for gears/worm wheels |
| CN104373527A (en) * | 2013-08-12 | 2015-02-25 | 通用汽车环球科技运作有限责任公司 | Getriebe mit dreifach-eingangskupplung |
| CN104989798A (en) * | 2015-07-02 | 2015-10-21 | 北京理工大学 | Ten-speed double-clutch gearbox |
| CN105378343A (en) * | 2013-05-28 | 2016-03-02 | 本田技研工业株式会社 | Continuously variable transmission |
| US10030749B2 (en) | 2013-05-28 | 2018-07-24 | Honda Motor Co., Ltd. | Continuously variable transmission |
| CN108708955A (en) * | 2018-06-19 | 2018-10-26 | 重庆大学 | A kind of speed changer, car transmissions and vehicle |
| CN109703349A (en) * | 2019-02-22 | 2019-05-03 | 芜湖万里扬变速器有限公司 | Multi-mode hybrid speed change system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4489622A (en) * | 1982-09-28 | 1984-12-25 | Borg-Warner Corporation | Dual wet output clutch for power selection in a continuously variable transmission |
| CN2776835Y (en) * | 2004-11-25 | 2006-05-03 | 姜永军 | Biclutch V type belt stepless speed changer |
| CN100476253C (en) * | 2007-01-19 | 2009-04-08 | 重庆大学 | Multimode transmission system of mixing dynamical automobile |
| CN201407326Y (en) * | 2009-03-31 | 2010-02-17 | 衡阳风顺车桥有限公司 | Automotive composite driving double-clutch transmission |
-
2009
- 2009-03-31 CN CN2009100430494A patent/CN101526123B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644700A (en) * | 2012-05-08 | 2012-08-22 | 安徽江淮汽车股份有限公司 | Longitudinal double-clutch automatic gearbox transmission device |
| CN102644699A (en) * | 2012-05-08 | 2012-08-22 | 安徽江淮汽车股份有限公司 | Longitudinal double-clutch automatic gearbox transmission device with direct gear |
| CN105378343A (en) * | 2013-05-28 | 2016-03-02 | 本田技研工业株式会社 | Continuously variable transmission |
| US9874269B2 (en) | 2013-05-28 | 2018-01-23 | Honda Motor Co., Ltd. | Continuously variable transmission |
| US10030749B2 (en) | 2013-05-28 | 2018-07-24 | Honda Motor Co., Ltd. | Continuously variable transmission |
| CN104373527A (en) * | 2013-08-12 | 2015-02-25 | 通用汽车环球科技运作有限责任公司 | Getriebe mit dreifach-eingangskupplung |
| CN104308540A (en) * | 2014-10-16 | 2015-01-28 | 深圳市京田精密五金有限公司 | Integrated gear/worm wheel machining device and integrated machining method for gears/worm wheels |
| CN104308540B (en) * | 2014-10-16 | 2016-08-24 | 深圳市京田精密科技有限公司 | Integral type tooth/spiral case making device and the integral type processing method of tooth/worm gear |
| CN104989798A (en) * | 2015-07-02 | 2015-10-21 | 北京理工大学 | Ten-speed double-clutch gearbox |
| CN104989798B (en) * | 2015-07-02 | 2017-10-31 | 北京理工大学 | A kind of ten speed double-clutch gearboxes |
| CN108708955A (en) * | 2018-06-19 | 2018-10-26 | 重庆大学 | A kind of speed changer, car transmissions and vehicle |
| CN109703349A (en) * | 2019-02-22 | 2019-05-03 | 芜湖万里扬变速器有限公司 | Multi-mode hybrid speed change system |
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| CN101526123B (en) | 2012-01-25 |
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Effective date of registration: 20110308 Address after: 421001 block 35, hi tech Development Zone, Hunan, Hengyang Applicant after: Hunan Sino-German Automatic Transmission Co., Ltd. Address before: 421001 No. 18 Changfeng Road, hi tech Industrial Development Zone, Hunan, Hengyang Applicant before: Hengyang Fengshun Automobile Rxle Co., Ltd. Co-applicant before: Hunan Changfeng Motor Research & Design Co., Ltd. |
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