CN102720809A - A speed changer and a vehicle including the speed changer - Google Patents
A speed changer and a vehicle including the speed changer Download PDFInfo
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- CN102720809A CN102720809A CN2011100772450A CN201110077245A CN102720809A CN 102720809 A CN102720809 A CN 102720809A CN 2011100772450 A CN2011100772450 A CN 2011100772450A CN 201110077245 A CN201110077245 A CN 201110077245A CN 102720809 A CN102720809 A CN 102720809A
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- speed changer
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/042—Combinations of toothed gearings only change gear transmissions in group arrangement
- F16H37/046—Combinations of toothed gearings only change gear transmissions in group arrangement with an additional planetary gear train, e.g. creep gear, overdrive
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Abstract
A speed changer comprises a double-clutch, a first input shaft, a second input shaft and an output shaft. The double clutch comprises a first clutch and a second clutch. The first input shaft is connected with the first clutch. The second input shaft is connected with the second clutch by passing through a hollow portion of the first input shaft. The speed changer also comprises a planetary gear mechanism, a one-way clutch and a gear reduction mechanism. A sun gear is fixed. A gear ring is fixedly connected with the first input shaft. The one-way clutch is installed between a planet carrier and the second input shaft. The power between the second input shaft and the output shaft is transmitted by the gear reduction mechanism. The invention also provides a vehicle. The speed changer is provided with the planetary gear mechanism and the one-way clutch, and enables the second input shaft not only to directly transmit the power input by the second clutch, but also transmit the power input by the first clutch. Thus, one output shaft can be omitted, making the speed changer have a compacted structure and occupy smaller space.
Description
Technical field
The present invention relates to a kind of speed changer and comprise the vehicle of this speed changer.
Background technique
At present, along with the fast development of trailer reversing automation, automotive transmission is just presenting rapid growth momentum.Present automatic gearbox mainly contains torque converter (AT), stepless speed variator (CVT) and the present high electric control mechanical speed changer (AMT) of transmission efficiency.
The AMT that is superior to AT and CVT at aspects such as transmission efficiency and cost of production because it has the advantage of the existing manual transmission production investment of the desired high fuel economy of automobile industry development, low emission and protection, has received the attention of motor-dom.
But in the using process of AMT, find its shortcoming gradually: vehicle is in shift process, and after clutch separation, the power of motor can not be delivered to wheel, causes power interruption, and the driver has the pause and transition in rhythm or melody sense, has influenced the power character of vehicle and the travelling comfort of taking.
For head it off, need control accurately shift process.Particularly, need the power assembly of power plant and speed changer formation be mated at aspects such as speed discrepancy, moments of torsion accurately and control in order to reduce the shock extent that shift process produces.
The appearance of DCT (dual-clutch transmission) has solved this problem.But DCT has two input shafts and two output shafts, and it is bigger to occupy the space.
Summary of the invention
The present invention is for solving the existing dual-clutch transmission bigger technical problem that takes up room, and a kind of little speed changer and comprise the vehicle of this speed changer of taking up room is provided.
One aspect of the present invention provides a kind of speed changer; Comprise: first input shaft of double clutch, hollow, second input shaft and output shaft; Said double clutch comprises first clutch and second clutch; Said first input shaft is connected with first clutch, and the hollow space that said second input shaft passes said first input shaft is connected with said second clutch, wherein; Said speed changer also comprises planetary gears, overrunning clutch and reduction gears mechanism; Said planetary gears comprises sun gear, planet carrier and gear ring, and said sun gear is fixed on the housing of speed changer, and said gear ring is fixedly connected with said first input shaft; Said overrunning clutch be installed between the said planet carrier and second input shaft so that from planetary gears to the second input shaft unidirectional delivery power, between said second input shaft and the output shaft through the reduction gears mechanism transferring power.
Further; Said overrunning clutch comprises inner ring and outer ring, and when the rotating speed of outer ring was higher than the rotating speed of inner ring, overrunning clutch was in bonding state; When the rotating speed of inner ring is higher than the rotating speed of outer ring; Overrunning clutch is in and surmounts state, and the inner ring of said overrunning clutch is fixed on said second input shaft, and said planet carrier is sleeved on the outer ring of said overrunning clutch.
Said reduction gears mechanism comprises first gear train, second gear train and synchronizer; Said first gear train comprises intermeshing first gear and second gear; Said second gear train comprises intermeshing the 3rd gear and the 4th gear; Said first gear and the 3rd gear all are fixed on said second input shaft, and said second gear and the equal sky of the 4th gear are enclosed within on the said output shaft, on the output shaft between said second gear and the 4th gear synchronizer are installed.
Said reduction gears mechanism also comprises the reverse gear group; Said reverse gear group comprises the 5th gear, idle pulley and the 6th gear; Said the 5th gear is fixed on said second input shaft; Said the 6th gear is fixed on the said output shaft, passes through the idle pulley transferring power between said the 5th gear and the 6th gear.
Said speed changer also comprises reverse gear shaft, and said idle pulley is installed on the said reverse gear shaft.
Also be fixed with output gear on the said output shaft.
When said synchronizer and said the 4th gear were synchronous: said first clutch combined, and said second clutch separates, and said planetary gears cooperates with said second gear train realizes first gear; Said first clutch separates, and said second clutch combines, and said second gear train constitutes second gear.
When said synchronizer and said second gear were synchronous: said first clutch combined, and said second clutch separates, and said planetary gears cooperates with said first gear train realizes the 3rd gear; Said first clutch separates, and said second clutch combines, and said first gear train constitutes the 4th gear.
When said synchronizer broke off: said first clutch combined, and said second clutch separates, and the realization low speed gear that reverses gear is closed in said planetary gears and said reverse gear assembly; Said first clutch separates, and said second clutch combines, and said reverse gear group constitutes the gear that reverses gear at a high speed.
The present invention also provides a kind of vehicle on the other hand, comprises power source and differential mechanism, and wherein, said vehicle also comprises above-mentioned speed changer, and said power source is connected with the double clutch of said speed changer, and the output shaft of said speed changer is connected with said differential mechanism.
Speed changer of the present invention and comprise the vehicle of this speed changer; Be provided with planetary gears and overrunning clutch; Thereby the power that makes the input shaft of winning can unidirectional delivery to second input shaft and then output, promptly therefore second input shaft can save an output shaft except the power of direct transmission second clutch input can also transmit the power of first clutch input; And then make that this speed changer structure is compact, it is less to take up room.
Description of drawings
Fig. 1 is the structural representation sketch of the speed changer that provides of one embodiment of the present invention;
Fig. 2 is speed changer that one embodiment of the present invention the provides state simplified schematic diagram when being in first gear, and wherein, heavy line is represented power transmission line;
Fig. 3 is speed changer that one embodiment of the present invention the provides state simplified schematic diagram when being in second gear, and wherein, heavy line is represented power transmission line;
Fig. 4 is speed changer that one embodiment of the present invention the provides state simplified schematic diagram when being in the 3rd gear, and wherein, heavy line is represented power transmission line;
Fig. 5 is speed changer that one embodiment of the present invention the provides state simplified schematic diagram when being in the 4th gear, and wherein, heavy line is represented power transmission line;
Fig. 6 is speed changer that one embodiment of the present invention the provides state simplified schematic diagram when being in low speed and reversing gear gear, and wherein, heavy line is represented power transmission line;
Fig. 7 is that the speed changer that one embodiment of the present invention provides is in the state simplified schematic diagram when reversing gear gear at a high speed, and wherein, heavy line is represented power transmission line;
Fig. 8 is the structural representation sketch of the vehicle that provides of one embodiment of the present invention.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
According to one embodiment of the present invention; As shown in Figure 1, a kind of speed changer comprises: first input shaft 4, second input shaft 8 and the output shaft 20 of double clutch 1, hollow; Double clutch 1 comprises first clutch 3 and second clutch 2; First input shaft 4 is connected with first clutch 3, and the hollow space that second input shaft 8 passes first input shaft 4 is connected with second clutch 2, wherein; This speed changer also comprises planetary gears 23, overrunning clutch 7 and reduction gears mechanism 27; Planetary gears 23 comprises sun gear 22, planet carrier 6 and gear ring 5, and sun gear 22 is fixed on the housing (not shown) of speed changer, and gear ring 5 is fixedly connected with first input shaft 4; Overrunning clutch 7 be installed between the planet carrier 6 and second input shaft 8 so that from planetary gears 23 to second input shaft, 8 unidirectional delivery power, between second input shaft 8 and the output shaft 20 through reduction gears mechanism 27 transferring power.
Usually; For component such as input shaft and output shaft are installed; Speed changer comprises housing, and double clutch 1, first input shaft 14, second input shaft 8, output shaft 20, planetary gears 23, overrunning clutch 7 and reduction gears mechanism 27 are installed in the housing.
Known ground; Planetary gears 23 comprises sun gear 22, planet carrier 6 and gear ring 5, constitutes connection through a plurality of as 3 planet wheels between sun gear 22 and the gear ring 5, and planet carrier 6 is connected with all planet wheels; In sun gear 22, planet carrier 6 and gear ring 5 threes; Fixing one, remain and get final product one among both and import power, outputting powers.
Those skilled in the art can rationally be provided with the size of planetary gears 23 as required, and select fixedly sun gear 22, planet carrier 6 and gear ring 5 threes', thereby form suitable reduction speed ratio.
Any one fixing all can realize among sun gear 22, planet carrier 6 and gear ring 5 threes through various suitable devices, as utilize break realization etc.
According to one embodiment of the present invention, sun gear 22 directly is fixed on the housing of speed changer, and gear ring 5 is fixedly connected as power intake with first input shaft 4, and planet carrier 6 is connected as clutch end with overrunning clutch 7.
Further; Overrunning clutch 7 comprises inner ring and outer ring, and when the rotating speed of outer ring was higher than the rotating speed of inner ring, overrunning clutch 7 was in bonding state; When the rotating speed of inner ring is higher than the rotating speed of outer ring; Overrunning clutch 7 is in and surmounts state, and the inner ring of overrunning clutch 7 is fixed on second input shaft 8, and planet carrier 6 is sleeved on the outer ring of overrunning clutch 7.
The effect of overrunning clutch is to make certain element rotate locking on another direction by certain direction.According to different roller-type overrunning clutch and the free wheeling sprag clutchs of being divided into of the transmission of power device of installing between inner ring and the outer ring (like roller or voussoir).Those skilled in the art can select the overrunning clutch of suitable type as required.
According to one embodiment of the present invention, when the rotating speed of outer ring was higher than the rotating speed of inner ring, overrunning clutch 7 was in bonding state, and power can be delivered to second input shaft 8 from planetary gears 23; When the rotating speed of inner ring was higher than the rotating speed of outer ring, overrunning clutch 7 was in and surmounts state, and at this moment, the power of second input shaft 8 can not be delivered to planetary gears 23.
Further; Reduction gears mechanism 27 comprises first gear train 9, second gear train 11 and synchronizer 18; First gear train 9 comprises that intermeshing first gear 21 and second gear, 19, the second gear trains 11 comprise that intermeshing the 3rd gear 10 and the 4th gear 17, the first gears 21 and the 3rd gear 10 all are fixed on second input shaft 8; Second gear 19 and the 4th gear 17 equal skies are enclosed within on the output shaft 20, on the output shaft 20 between second gear 19 and the 4th gear 17 synchronizer 18 are installed.
Synchronizer 18 can with second gear 19 synchronously so that first gear train, 9 transferring power, synchronizer 18 can also with the 4th gear 17 synchronously so that second gear train, 11 transferring power.
In order to realize reversing gear; Reduction gears mechanism 27 also comprises reverse gear group 26; Reverse gear group 26 comprises the 5th gear 12, idle pulley 13 and the 6th gear 14; The 5th gear 12 is fixed on second input shaft 8, and the 6th gear 14 is fixed on the output shaft 20, passes through idle pulley 13 transferring power between the 5th gear 12 and the 6th gear 14.
For idle pulley 13 is installed, this speed changer also comprises reverse gear shaft 15, and idle pulley 13 is installed on the reverse gear shaft 15.When needs are moveed backward, can make idle pulley 13 mesh with the 5th gear 12 and the 6th gear 14 simultaneously through handling gear level, thereby accomplish the transmission of power of reversing gear.
For outputting power, on output shaft 20, also be fixed with output gear 16 so that will be input to the power of speed changer and output to wheel (through realizations such as differential mechanisms).
According to one embodiment of the present invention, when synchronizer 18 with the 4th gear 17 synchronously the time: first clutch 3 combines, and second clutch 2 separates, and planetary gears 23 cooperates realization first gear with second gear train 11; First clutch 3 separates, and second clutch 2 combines, and second gear train 11 constitutes second gear.
When synchronizer 18 with second gear 19 synchronously the time: first clutch 3 combines, and second clutch 2 separates, and planetary gears 23 cooperates realization the 3rd gear with first gear train 9; First clutch 3 separates, and second clutch 2 combines, and first gear train 9 constitutes the 4th gear.
When synchronizer 18 broke off (neither synchronous with second gear 19, also not synchronous with the 4th gear 17): first clutch 3 combined, and second clutch 2 separates, and planetary gears 23 cooperates the realization low speed gear that reverses gear with reverse gear group 26; First clutch 3 separates, and second clutch 2 combines, and reverse gear group 26 constitutes the gear that reverses gear at a high speed.
Specify the gear handoff procedure of speed changer of the present invention below in conjunction with accompanying drawing:
According to one embodiment of the present invention; As shown in Figure 2; Synchronizer 18 and the 4th gear 17 are synchronously the time, and control first clutch 3 combines, and second clutch 2 separates; Power successively from first clutch 3, first input shaft 4, gear ring 5, planet carrier 6, overrunning clutch 7 (at this moment; The rotating speed of second input shaft 8 will be lower than the rotating speed of planet carrier 6 output, and promptly the rotating speed of the outer ring of overrunning clutch 7 is higher than the rotating speed of inner ring, and overrunning clutch 7 is in bonding state), second input shaft 8 and second gear train 11 be delivered to the output gear 16 on the output shaft 20.In this process, planetary gears 23 and second gear train, the 11 common velocity ratios that form first gear are promptly realized the switching of first gear.
According to one embodiment of the present invention; As shown in Figure 3; Synchronizer 18 continues with the 4th gear 17 synchronous, and at this moment, control first clutch 3 separates; Second clutch 2 combines, and power will be delivered to the output gear 16 on the output shaft 20 from second clutch 2, second input shaft 8 and second gear train 11 successively.In this process, because the rotating speed of second input shaft 8 is higher than the rotating speed (at this moment, the rotating speed of planet carrier 6 can be zero) of planet carrier 6; Be the rotating speed that the rotating speed of the outer ring of overrunning clutch 7 is lower than inner ring, overrunning clutch 7 is in and surmounts state, at this moment; The power of second input shaft 8 can not be delivered to first input shaft 4; Planetary gears 23 is inoperative, so second gear train 11 forms second gear separately.
Hence one can see that, and the switching of first gear and second gear only needs first clutch 3 in the control double clutch 1 alternately to combine with second clutch 2 and separates and can realize, thereby effectively reduces the dynamic impact in the shift process, the riding comfort of raising vehicle.
According to one embodiment of the present invention; As shown in Figure 4; The synchronizer 18 and second gear 19 are (at this moment synchronously; Make that through gear level synchronizer 18 is from switching to and second gear, 19 synchronization position with the 4th gear 19 synchronization position), control first clutch 3 combines, and second clutch 2 separates; Power successively from first clutch 3, first input shaft 4, gear ring 5, planet carrier 6, overrunning clutch 7 (at this moment; The rotating speed of second input shaft 8 will be lower than the rotating speed of planet carrier 6 output, and promptly the rotating speed of the outer ring of overrunning clutch 7 is higher than the rotating speed of inner ring, and overrunning clutch 7 is in bonding state), second input shaft 8 and first gear train 9 be delivered to the output gear 16 on the output shaft 20.In this process, planetary gears 23 and first gear train, the 9 common velocity ratios that form the 3rd gear are promptly realized the switching of the 3rd gear.
According to one embodiment of the present invention; As shown in Figure 5; Synchronizer 18 continues with second gear 19 synchronous, and at this moment, control first clutch 3 separates; Second clutch 2 combines, and power will be delivered to the output gear 16 on the output shaft 20 from second clutch 2, second input shaft 8 and first gear train 9 successively.In this process, because the rotating speed of second input shaft 8 is higher than the rotating speed (at this moment, the rotating speed of planet carrier 6 can be zero) of planet carrier 6; Be the rotating speed that the rotating speed of the outer ring of overrunning clutch 7 is lower than inner ring, overrunning clutch 7 is in and surmounts state, at this moment; The power of second input shaft 8 can not be delivered to first input shaft 4; Planetary gears 23 is inoperative, so first gear train 9 forms the 4th gear separately.
Hence one can see that, and the switching of the 3rd gear and the 4th gear only needs first clutch 3 in the control double clutch 1 alternately to combine with second clutch 2 and separates and can realize, thereby effectively reduces the dynamic impact in the shift process, the riding comfort of raising vehicle.
According to one embodiment of the present invention, as shown in Figure 6, synchronizer 18 is in initial position (being that synchronizer breaks off), and promptly this moment, synchronizer 18 was neither synchronous with second gear 19, also not synchronous with the 4th gear 17.Control first clutch 3 combines; Second clutch 2 separates; Power successively from first clutch 3, first input shaft 4, gear ring 5, planet carrier 6, overrunning clutch 7 (at this moment; The rotating speed of second input shaft 8 will be lower than the rotating speed of planet carrier 6 output, and promptly the rotating speed of the outer ring of overrunning clutch 7 is higher than the rotating speed of inner ring, and overrunning clutch 7 is in bonding state), second input shaft 8 and reverse gear group 26 (at this moment; Switch to and reverse gear through handling gear level, idle pulley 13 simultaneously and the 5th gear 12 mesh with the 6th gear 14) be delivered to the output gear 16 on the output shaft 20.In this process, planetary gears 23 and reverse gear group 26 be common to form the reverse gear velocity ratio of gear of low speed, promptly realizes the reverse gear switching of gear of low speed.
According to one embodiment of the present invention; As shown in Figure 7, synchronizer 18 keeps initial position, and control first clutch 3 separates; Second clutch 2 combines, and power will be delivered to the output gear 16 on the output shaft 20 from second clutch 2, second input shaft 8 and second gear train 11 successively.In this process, because the rotating speed of second input shaft 8 is higher than the rotating speed (at this moment, the rotating speed of planet carrier 6 can be zero) of planet carrier 6; Be the rotating speed that the rotating speed of the outer ring of overrunning clutch 7 is lower than inner ring, overrunning clutch 7 is in and surmounts state, at this moment; The power of second input shaft 8 can not be delivered to first input shaft 4; Planetary gears 23 is inoperative, so reverse gear group 26 forms the gear that reverses gear at a high speed separately.
Hence one can see that; The reverse gear switching of the gear and the gear that reverses gear at a high speed of low speed; Only need first clutch 3 in the control double clutch 1 alternately to combine and separate and to realize, thereby effectively reduce the dynamic impact in the shift process, the riding comfort of raising vehicle with second clutch 2.
When first clutch 3 all separates with second clutch 2, power interruption, can realize neutral this moment.
According to one embodiment of the present invention; As shown in Figure 8, the present invention also provides a kind of vehicle on the other hand, comprises power source 24 and differential mechanism 25; Wherein, This vehicle also comprises above-mentioned speed changer, and power source 24 is connected with the double clutch 1 of speed changer, and the output shaft 20 of speed changer is connected with differential mechanism 25.
Speed changer of the present invention and comprise the vehicle of this speed changer; Be provided with planetary gears and overrunning clutch; Thereby the power that makes the input shaft of winning can unidirectional delivery to second input shaft and then output, promptly therefore second input shaft can save an output shaft except the power of direct transmission second clutch input can also transmit the power of first clutch input; And then make that this speed changer structure is compact, it is less to take up room.
In addition, between second input shaft and output shaft, be provided with reduction gears mechanism, reduction gears mechanism cooperates with planetary gears can realize a plurality of gears, thereby helps improving the power source especially power line and the Economy of motor.
Simultaneously; Can realize switching through the control double clutch between the odd even gear (like first gear and second gear, the 3rd gear and the 4th gear) that same gear train forms; Thereby effectively reduce the dynamic impact in the shift process, realize the free of discontinuities gearshift, improve the riding comfort of vehicle.
And synchronizer and a gear train are when synchronous; Through the first clutch of control in the double clutch and second clutch alternately combination can realize two gears with separating; So the control through double clutch can make a synchronizer can realize four gears; Help simplifying the structure of speed changer, make speed changer compact more, also simplified the operation of gearshift simultaneously.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. speed changer; Comprise: first input shaft of double clutch, hollow, second input shaft and output shaft; Said double clutch comprises first clutch and second clutch; Said first input shaft is connected with first clutch, and the hollow space that said second input shaft passes said first input shaft is connected with said second clutch, it is characterized in that; Said speed changer also comprises planetary gears, overrunning clutch and reduction gears mechanism; Said planetary gears comprises sun gear, planet carrier and gear ring, and said sun gear is fixed on the housing of speed changer, and said gear ring is fixedly connected with said first input shaft; Said overrunning clutch be installed between the said planet carrier and second input shaft so that from planetary gears to the second input shaft unidirectional delivery power, between said second input shaft and the output shaft through the reduction gears mechanism transferring power.
2. speed changer as claimed in claim 1 is characterized in that said overrunning clutch comprises inner ring and outer ring; When the rotating speed of outer ring is higher than the rotating speed of inner ring; Overrunning clutch is in bonding state, and when the rotating speed of inner ring was higher than the rotating speed of outer ring, overrunning clutch was in and surmounts state; The inner ring of said overrunning clutch is fixed on said second input shaft, and said planet carrier is sleeved on the outer ring of said overrunning clutch.
3. speed changer as claimed in claim 1; It is characterized in that; Said reduction gears mechanism comprises first gear train, second gear train and synchronizer; Said first gear train comprises intermeshing first gear and second gear, and said second gear train comprises intermeshing the 3rd gear and the 4th gear, and said first gear and the 3rd gear all are fixed on said second input shaft; Said second gear and the equal sky of the 4th gear are enclosed within on the said output shaft, on the output shaft between said second gear and the 4th gear synchronizer are installed.
4. speed changer as claimed in claim 3; It is characterized in that; Said reduction gears mechanism also comprises the reverse gear group, and said reverse gear group comprises the 5th gear, idle pulley and the 6th gear, and said the 5th gear is fixed on said second input shaft; Said the 6th gear is fixed on the said output shaft, passes through the idle pulley transferring power between said the 5th gear and the 6th gear.
5. speed changer as claimed in claim 4 is characterized in that said speed changer also comprises reverse gear shaft, and said idle pulley is installed on the said reverse gear shaft.
6. speed changer as claimed in claim 4 is characterized in that, also is fixed with output gear on the said output shaft.
7. speed changer as claimed in claim 3 is characterized in that, when said synchronizer and said the 4th gear were synchronous: said first clutch combined, and said second clutch separates, and said planetary gears cooperates with said second gear train realizes first gear; Said first clutch separates, and said second clutch combines, and said second gear train constitutes second gear.
8. speed changer as claimed in claim 7 is characterized in that, when said synchronizer and said second gear were synchronous: said first clutch combined, and said second clutch separates, and said planetary gears cooperates with said first gear train realizes the 3rd gear; Said first clutch separates, and said second clutch combines, and said first gear train constitutes the 4th gear.
9. speed changer as claimed in claim 4 is characterized in that, when said synchronizer broke off: said first clutch combined, and said second clutch separates, and the realization low speed gear that reverses gear is closed in said planetary gears and said reverse gear assembly; Said first clutch separates, and said second clutch combines, and said reverse gear group constitutes the gear that reverses gear at a high speed.
10. vehicle; Comprise power source and differential mechanism, it is characterized in that said vehicle also comprises any described speed changer among the claim 1-9; Said power source is connected with the double clutch of said speed changer, and the output shaft of said speed changer is connected with said differential mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110077245.0A CN102720809B (en) | 2011-03-30 | 2011-03-30 | A kind of speed changer and comprise the vehicle of this speed changer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110077245.0A CN102720809B (en) | 2011-03-30 | 2011-03-30 | A kind of speed changer and comprise the vehicle of this speed changer |
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| CN102720809A true CN102720809A (en) | 2012-10-10 |
| CN102720809B CN102720809B (en) | 2016-03-02 |
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| CN201110077245.0A Active CN102720809B (en) | 2011-03-30 | 2011-03-30 | A kind of speed changer and comprise the vehicle of this speed changer |
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| CN104870861A (en) * | 2012-10-30 | 2015-08-26 | 奥迪股份公司 | Dual clutch transmission |
| CN106555852A (en) * | 2015-09-25 | 2017-04-05 | 比亚迪股份有限公司 | Power-driven system and the vehicle with which |
| CN108331897A (en) * | 2018-04-19 | 2018-07-27 | 湖北文理学院 | A kind of transmission mechanism of auto-manual transmission |
| CN109849643A (en) * | 2019-03-21 | 2019-06-07 | 浙江鑫可精密机械有限公司 | A kind of new energy vehicle retarder system |
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| CN110905981A (en) * | 2019-11-25 | 2020-03-24 | 绿传（北京）科技有限公司 | Automatic transmission and electric automobile |
| CN112378656A (en) * | 2020-11-06 | 2021-02-19 | 西安交通大学 | Wet-type double clutch coupling performance detects structure |
| CN114060479A (en) * | 2021-11-16 | 2022-02-18 | 贵州凯星液力传动机械有限公司 | Transmission mechanism |
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