CN103277466B - Multi-clutch speed changer - Google Patents
Multi-clutch speed changer Download PDFInfo
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- CN103277466B CN103277466B CN201310153205.9A CN201310153205A CN103277466B CN 103277466 B CN103277466 B CN 103277466B CN 201310153205 A CN201310153205 A CN 201310153205A CN 103277466 B CN103277466 B CN 103277466B
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Abstract
The invention relates to a multi-clutch speed changer. The multi-clutch speed changer comprises a main input shaft, a main output shaft and a multi-clutch. The multi-clutch comprises more than two clutch input shafts, more than two clutch output shafts and a clutch mechanism, wherein the clutch mechanism is used for selecting any clutch input shaft to be in transmission connection with corresponding one or more than two clutch output shafts, a speed changing gear set for transmitting torque between the main input shaft and the corresponding clutch input shaft is arranged between each clutch input shaft and the main input shaft, a gear-shifting gear set for transmitting torque between the main output shaft and the corresponding clutch output shaft is arranged between each clutch output shaft and the main output shaft, each gear-shifting gear set comprises a free gear, the gear-shifting gear sets are adjacently arranged in a paired mode according to the one-to-one corresponding relation of set gear-shifting gears, and a corresponding synchronizer is arranged between two paired free gears. The multi-clutch speed changer can meet multi-gear requirements.
Description
Technical field
The present invention relates to multi-clutch speed changer.
Background technique
Rapidly, particularly double-clutch automatic gearbox, its technology comparative maturity and solve the problem of interruption of power transmission preferably due to it, application is more and more recently for the development of current transmission technology.Such as application number is 20082009555.6, notification number is a kind of double clutch five gear automatic speed variator disclosed in the Chinese patent of CN 201265630Y, the double clutch, jack shaft and the main output shaft that comprise the primary input axle for connecting power source, are connected with primary input shaft drive, double clutch comprises the input end, odd number shelves transmission shaft, even number shelves transmission shaft and the clutch mechanism for selecting input end to be connected with odd number shelves transmission shaft or even number shelves transmission shaft driven that are connected with primary input axle coaxial transmission.Described odd number shelves transmission shaft and be equipped with corresponding odd, even several grades of gear trains and corresponding odd, even several grades of synchronizers between even number shelves transmission shaft and the corresponding section of jack shaft, odd, even several grades of gear trains include the free gear that empty set on the axle corresponding to its transmitting torque rotates assembling, and a free gear in paired odd number shelves gear train or even number shelves gear train and place axle can being connected with transmitting torque during corresponding synchronizer action, another continues to keep empty set.Due to the corresponding odd number shelves of the clutch of in double clutch, the corresponding even number shelves of another clutch, when vehicle is linked into a gear, the next gear of another clutch and correspondence is in readiness by corresponding synchronizer, as long as current gear is separated just can engage next gear at once, therefore two clutch gearbox select switching speed very fast, solve the problem of interruption of power transmission preferably.
But, although dual-clutch transmission of the prior art can solve the problem of interruption of power transmission preferably, but, gear complicated at applying working condition requires more, existing dual-clutch transmission can't meet the demand for control in above-mentioned situation.
Summary of the invention
The object of this invention is to provide a kind of multi-clutch speed changer that can meet many gears demand.
The technical solution used in the present invention is: multi-clutch speed changer, comprise the main output shaft of the primary input axle for power input, outputting power, also comprise multi-clutch, multi-clutch comprises plural clutch input shaft, plural clutch output shaft and for the clutch mechanism selecting process of power shift to select arbitrary clutch input shaft to be in transmission connection with one or more corresponding clutch output shaft according to setting; Described each clutch input shaft and the gear teeth wheels be equipped with between primary input axle for transmitting torque between primary input axle and corresponding clutch input shaft; Described each clutch output shaft selects change gear group for transmitting torque between main output shaft and corresponding clutch output shaft to being provided with between main output shaft; Eachly empty set on the axle that includes corresponding to its transmitting torque is selected in change gear group to rotate the free gear of assembling, corresponding with same clutch input shaft plurally select the free gear in change gear group to select shift gear with one-to-one relationship arranged adjacent in couples by what set, be provided with one of them free gear for selecting this right and place axle between two paired free gears and be connected and another free gear continues to keep the synchronizer of empty set.
Described gear teeth wheels comprise the driven speed change gear be arranged on corresponding clutch input shaft and the primary variable gear that engage corresponding to each driven speed change gear be arranged on described primary input axle.
Described clutch input shaft is provided with three, and described gear teeth wheels comprise three groups of the high, medium and low rotating speed corresponding to setting that corresponding three clutch input shafts are respectively arranged.
Describedly select in change gear group one group to comprise the reverse idler gear turned to for changing described main output shaft, described reverse idler gear is rotated by corresponding reverse gear shaft and is assemblied on multi-clutch speed changer.
Described multi-clutch speed changer being provided with clutch operation for controlling described clutch mechanism action, selecting selector device for what control each corresponding synchronizer action.
Described multi-clutch speed changer comprises the speed probe of the rotating speed for detecting each axle that corresponding described primary input axle, main output shaft, each clutch input shaft and each clutch output shaft are arranged, also comprise the rotary speed information for obtaining described speed probe and control described clutch operation according to rotary speed information and select the electronic control unit of selector device action, the signal output part of speed probe is connected with the signal input part of electronic control unit, electronic control unit and described clutch operation and select selector device control connection.
Described multi-clutch also comprises for the load output shaft of the load device output torque to correspondence, the load clutch mechanism for arbitrary clutch input shaft and load output shaft being in transmission connection.
Adopt the technique scheme in the present invention, many clutch speed changers adopt plural clutch input shaft, plural clutch output shaft and for the clutch mechanism selecting process of power shift to select arbitrary clutch input shaft to be in transmission connection with one or more corresponding clutch output shaft according to setting, described each clutch input shaft and the gear teeth wheels be provided with between primary input axle for transmitting torque between primary input axle and corresponding clutch input shaft, each group of gear teeth wheels have different drive ratios, at least two kinds of rotating speeds can be realized export, recycle each clutch output shaft and select change gear group and corresponding synchronizer between main output shaft, again can realize kind of number equals to select the speed of change gear group group number to export, increase the quantity of gear teeth wheels and/or select the quantity of change gear group can realize the conversion of more gears that two kinds of quantity are multiplied, thus meet many gears select gear shift demand.
Accompanying drawing explanation
Fig. 1: the drive mechanism schematic diagram of an embodiment of multi-clutch speed changer of the present invention.
In figure, the name of each reference character is called: 1-housing, 2-reverse gear driven gear, 3-second synchronizer, 4-II grade of driven gear, 5-III grade of driven gear, 6-first synchronizer, 7-I grade of driven gear, 8-selects selector device, 9-main output shaft, 10-electronic control unit, 11-clutch operation, 12-primary input axle, the low-grade driving gear of 13-, the middle-grade driving gear of 14-, the high-grade driving gear of 15-, 16-speed probe, the high-grade input shaft of 17-, the high-grade driven gear of 18-, the middle-grade input shaft of 19-, the middle-grade driven gear of 20-, the low-grade driven gear of 21-, the low-grade input shaft of 22-, 23-first input clutch, 24-second input clutch, 25-the 3rd input clutch, 26-clutch housing, 27-load output clutch, 28-even number shelves output clutch, 29-odd number shelves output clutch, 30-I grade of driving gear, 31-odd number shelves output shaft, 32-III grade of driving gear, 33-II grade of driving gear, 34-even number shelves output shaft, 35-reverse driving gear, 36-load output shaft, 37-reverse idler gear, 38-reverse gear shaft.
Embodiment
One embodiment of the present of invention as shown in Figure 1, being the multi-clutch speed changer used in a kind of many grades of tractors, comprising the housing 1 for surrounding auxiliary transmission and main-gear box, multi-clutch, the clutch operation 11 by correspondence, the control system of speed variator that selects selector device 8, speed probe 16 and electronic control unit 10 etc. to form.
Multi-clutch comprises clutch housing 26, three clutch input shafts, two clutch output shafts, a load output shaft, for the clutch mechanism selecting process of power shift to select arbitrary clutch input shaft to be in transmission connection with one or more corresponding clutch output shaft according to setting, for the load clutch mechanism that arbitrary clutch input shaft and load output shaft 36 are in transmission connection, corresponding clutch input shaft, clutch output shaft and clutch mechanism are all equivalent to a clutch, corresponding load output shaft and load clutch mechanism are also equivalent to a clutch, then multi-clutch comprises three input clutchs and two output clutches and a load output clutch, be respectively the first input clutch 23, second input clutch 24, 3rd input clutch 25, even number shelves output clutch 28, odd number shelves output clutch 29, with load output clutch 27.First input clutch 23, second input clutch 24 and the corresponding three clutch input shafts of the 3rd input clutch 25, be respectively low-grade input shaft 22, middle-grade input shaft 19 and high-grade input shaft 17, its medium-to-high grade input shaft 17 is for realizing axle form, and middle-grade input shaft 19 and low-grade input shaft 22 are that coaxial sleeve is located at the hub form on high-grade input shaft 17 successively.
The corresponding load output shaft 36 of load output clutch 27, even number shelves output clutch 28 and odd number shelves output clutch 29 and two clutch output shafts, i.e. even number shelves output shaft 34 and odd number shelves output shaft 31, wherein load output shaft 36 is solid shaft forms, for the load device output torque to correspondence; Even number shelves output shaft 34 and odd number shelves output shaft 31 are hub form that coaxial sleeve is located on load output shaft 36.Three input clutchs and three output clutches are coaxially arranged, and low-grade input shaft 22, middle-grade input shaft 19, high-grade input shaft 17, load output shaft 36, even number shelves output shaft 34 and odd number shelves output shaft 31 are also coaxially arranged.Described multi-clutch speed changer also comprises the clutch operation 11 for controlling multi-clutch action.In the prior art, utilize clutch operation to control the conventional techniques means that corresponding clutch operating is related domain, concrete structure corresponding in the present embodiment is that those skilled in the art can realize, and repeats no more herein.
Primary input axle 12, low-grade input shaft 22, middle-grade input shaft 19 and high-grade input shaft 17 rotate in assembling auxiliary transmission.Described low-grade input shaft 22, middle-grade input shaft 19 and be respectively equipped with the gear teeth wheels with different drive ratios between high-grade input shaft 17 and described primary input axle 12, for transmitting torque between primary input axle and corresponding clutch input shaft, comprise and be successively set on low-grade input shaft 22, low-grade driven gear 21 on middle-grade input shaft 19 and high-grade input shaft 17, middle-grade driven gear 20 and high-grade driven gear 18, with be arranged on described main output shaft 9 with high-grade driven gear 18, middle-grade driven gear 20 and low-grade driven gear 21 be the corresponding high-grade driving gear 15 engaged respectively, middle-grade driving gear 14 and low-grade driving gear 13.Three groups of speed change gear groups correspond respectively to the high, medium and low rotating speed of setting.
Main output shaft 9, load output shaft 36, odd number shelves output shaft 31 and even number shelves output shaft 34 are arranged in main-gear box.Described each clutch output shaft selects change gear group for transmitting torque between main output shaft and corresponding clutch output shaft to being provided with between main output shaft, comprises being installed in I grade of driving gear 30 on odd number shelves output shaft 31 and III grade of driving gear 32, being installed in II grade of driving gear 33 on even number shelves output shaft 34 and reverse driving gear 35, empty set rotate I grade of driven gear, 7, III grade of driven gear, 5, II grade of driven gear 4 and reverse gear driven gear 2 of being assemblied on described main output shaft 9.On the housing 1 of multi-clutch speed changer, also corresponding reverse driving gear 35 and reverse gear driven gear 2 are provided with reverse gear shaft 38, reverse gear shaft 38 are rotatably equipped with reverse idler gear 37.Corresponding driving gear and driven gear engage each other, and velocity ratio sets according to the process of power shift that selects of setting.Wherein between I grade of driven gear 7 and III grade of driven gear 5, between II grade of driven gear 4 and reverse gear driven gear 2, be respectively equipped with the first synchronizer 6, second synchronizer 3, first and second synchronizer all with select selector device control connection.In the prior art, utilize to select selector device to realize to the control of synchronizer selectively connection rotating shaft and on it gear of empty set be the conventional techniques means of related domain, concrete structure corresponding in the present embodiment is that those skilled in the art can realize, and repeats no more herein.
Corresponding above-mentioned main output shaft 9 on many clutch speed changers, primary input axle 12, low-grade input shaft 22, middle-grade input shaft 19, high-grade input shaft 17, load output shaft 36, even number shelves output shaft 34, odd number shelves output shaft 31 and reverse gear shaft 38 are provided with the speed probe 16 for detecting corresponding shaft rotating speed, electronic control unit 10 is for obtaining the rotary speed information of described speed probe 16 and controlling described clutch operation 11 according to rotary speed information and select selector device action, and can identify the running state of speed changer and judge, the signal output part of speed probe 16 is connected with the signal input part of electronic control unit 10, electronic control unit 10 is with described clutch operation 11 and select selector device control connection.
During work, each speed probe 16 can detect the rotating speed of each corresponding shaft or axle and send to electronic control unit 10, thus identify and judge the running state of speed changer, process of power shift is selected according to what set, when needs select gear-change operation, by clutch operation 11 with select selector device 8 to control each clutch respectively and each synchronizer selects gear shift action, realize automatic speed changing, and, the gear shift of auxiliary transmission can realize high, in, low three gear ratio change, the action of outlet side clutch and synchronizer is passed through in main-gear box, one can be selected and realize I, II, III grade and reverse gear, thus realize 3 × 3=9 forward gears and 1 × 3=3 reverse gear, structure is simple, control easier, gear is more, gear wide ranges, the various working condition of tractor can be met to the requirement of speed.
When specifically telling about each shelves of auxiliary transmission below and main-gear box each shelves time the state of each clutch and power transmission line.
Auxiliary transmission is high-grade: the 3rd input clutch 25 combines, and the first input clutch 23, second input clutch 24 is separated, and power reaches high-grade input shaft 17 by primary input axle 12 through the engagement of the driving and driven gear of top grade, finally reaches clutch housing 26.
Auxiliary transmission is middle-grade: the second input clutch 24 combines, and the first input clutch 23, the 3rd input clutch 25 are separated.Power reaches middle-grade input shaft 19 by primary input axle 12 through the engagement of middle-grade driving and driven gear, finally reaches clutch housing 26.
Auxiliary transmission is low-grade: the first input clutch 23 combines, and the second input clutch 24, the 3rd input clutch 25 are separated, and power reaches low-grade input shaft 22 by primary input axle 12 through the engagement of the driving and driven gear of low grade, finally reaches clutch housing 26.
Main-gear box I grade: load output clutch 27 combines, carries out load output, and odd number shelves output clutch 29 combines, and even number shelves output clutch 28 is separated, the left side engagement of the first synchronizer 6 adjoint.Power transmission line is: power reaches main output shaft 9 by clutch housing 26 through the engagement of odd number shelves output shaft 31 and I grade of driving and driven gear.
Main-gear box II grade: load output clutch 27 combines, carries out load output, and even number shelves output clutch 28 combines, and odd number shelves output clutch 29 is separated, and engages on the left of the second synchronizer 3 adjoint.Power transmission line is: power reaches main output shaft 9 by clutch housing 26 through the engagement of odd number shelves output shaft 34 and II grade of driving and driven gear.
Main-gear box III grade: load output clutch 27 combines, carries out load output, and odd number shelves output clutch 29 combines, and even number shelves output clutch 28 is separated, and engages on the right side of the first synchronizer 6 adjoint.Power transmission line is: power reaches main output shaft 9 by clutch housing 26 through the engagement of odd number shelves output shaft 31 and III grade of driving and driven gear.
Main-gear box reverse gear: load output clutch 27 combines, carries out load output, and even number shelves output clutch 28 combines, and odd number shelves output clutch 29 is separated, and engages on the right side of the second synchronizer 3 adjoint.Power transmission line is: power reaches reverse gear shaft 38 by clutch housing 26 through the engagement of odd number shelves output shaft 34 and reverse driving gear 35 and reverse idler gear 37, then reaches main output shaft 9 through the engagement of reverse idler gear 37 and reverse gear driven gear 2.
In the above-described embodiments, clutch input shaft and corresponding input clutch are provided with three, and multi-clutch is provided with the load output clutch 27 for the load output shaft 36 that is in transmission connection.In other embodiments of the invention, the quantity of clutch input shaft and corresponding input clutch is not limited to three, is arranged to two or more, such as, is arranged to two, saves middle-grade, only retains high-grade and low-grade; And can save for the output clutch of the load output shaft 36 that is in transmission connection, or do not arranged by multi-clutch.Other forms that gear shift on input clutch also can adopt driving and driven gear mesh to engage, such as, adopt and arrange two or more free gear at primary input axle 12 overhead cover, and arrange the form of corresponding synchronizer.And odd number shelves driving gear on odd number shelves output shaft 31 and even number shelves output shaft 34 and even number shelves driving gear are also not limited to the quantity in the present embodiment, can also many groups be arranged to, certainly, the reverse gearset be arranged in the present embodiment on even number shelves output shaft 34 also can adopt other set-up modes, and such as corresponding odd number shelves output shaft 31 is arranged.
Claims (7)
1. multi-clutch speed changer, comprise the main output shaft of the primary input axle for power input, outputting power, it is characterized in that: also comprise multi-clutch, multi-clutch comprises plural clutch input shaft, plural clutch output shaft and for the clutch mechanism selecting process of power shift to select arbitrary clutch input shaft to be in transmission connection with one or more corresponding clutch output shaft according to setting; Described each clutch input shaft and the gear teeth wheels be equipped with between primary input axle for transmitting torque between primary input axle and corresponding clutch input shaft; Described each clutch output shaft selects change gear group for transmitting torque between main output shaft and corresponding clutch output shaft to being provided with between main output shaft; Eachly empty set on the axle that includes corresponding to its transmitting torque is selected in change gear group to rotate the free gear of assembling, corresponding with same clutch input shaft plurally select the free gear in change gear group to select shift gear with one-to-one relationship arranged adjacent in couples by what set, be provided with one of them free gear for selecting this right and place axle between two paired free gears and be connected and another free gear continues to keep the synchronizer of empty set.
2. multi-clutch speed changer according to claim 1, is characterized in that: described gear teeth wheels comprise the driven speed change gear be arranged on corresponding clutch input shaft and the primary variable gear that engage corresponding to each driven speed change gear be arranged on described primary input axle.
3. multi-clutch speed changer according to claim 2, is characterized in that: described clutch input shaft is provided with three, and described gear teeth wheels comprise three groups of the high, medium and low rotating speed corresponding to setting that corresponding three clutch input shafts are respectively arranged.
4. the multi-clutch speed changer according to claim 1 or 2 or 3, it is characterized in that: describedly select in change gear group one group to comprise the reverse idler gear turned to for changing described main output shaft, described reverse idler gear is rotated by corresponding reverse gear shaft and is assemblied on multi-clutch speed changer.
5. multi-clutch speed changer according to claim 4, is characterized in that: described multi-clutch speed changer being provided with clutch operation for controlling described clutch mechanism action, selecting selector device for what control each corresponding synchronizer action.
6. multi-clutch speed changer according to claim 5, it is characterized in that: described multi-clutch speed changer comprises corresponding described primary input axle, main output shaft, the speed probe of the rotating speed for detecting each axle that each clutch input shaft and each clutch output shaft are arranged, also comprise the rotary speed information for obtaining described speed probe and control described clutch operation according to rotary speed information and select the electronic control unit of selector device action, the signal output part of speed probe is connected with the signal input part of electronic control unit, electronic control unit and described clutch operation and select selector device control connection.
7. the multi-clutch speed changer according to claim 1 or 2 or 3, is characterized in that: described multi-clutch also comprises for the load output shaft of the load device output torque to correspondence, the load clutch mechanism for arbitrary clutch input shaft and load output shaft being in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153205.9A CN103277466B (en) | 2013-04-28 | 2013-04-28 | Multi-clutch speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153205.9A CN103277466B (en) | 2013-04-28 | 2013-04-28 | Multi-clutch speed changer |
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| Publication Number | Publication Date |
|---|---|
| CN103277466A CN103277466A (en) | 2013-09-04 |
| CN103277466B true CN103277466B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310153205.9A Expired - Fee Related CN103277466B (en) | 2013-04-28 | 2013-04-28 | Multi-clutch speed changer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979282A (en) * | 2016-01-15 | 2017-07-25 | 杭州航验环境技术有限公司 | A kind of automatic transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1652119A1 (en) * | 1989-05-31 | 1991-05-30 | Могилевский Машиностроительный Институт | Gearbox gear-type coupling engaging system with gears and ranges selected with friction clutches and gear-type couplings |
| CN101149095A (en) * | 2007-10-25 | 2008-03-26 | 同济大学 | Hybrid power drive device based on double clutch automatic speed-changer |
| CN101614266A (en) * | 2009-07-27 | 2009-12-30 | 杨军 | Double clutch is multi-functional six speed transmissions of symmetric arrangement |
| CN102678839A (en) * | 2011-12-08 | 2012-09-19 | 河南科技大学 | Double-clutch transmission used in tractor |
| CN203248630U (en) * | 2013-04-28 | 2013-10-23 | 河南科技大学 | Multi-clutch speed change device |
-
2013
- 2013-04-28 CN CN201310153205.9A patent/CN103277466B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1652119A1 (en) * | 1989-05-31 | 1991-05-30 | Могилевский Машиностроительный Институт | Gearbox gear-type coupling engaging system with gears and ranges selected with friction clutches and gear-type couplings |
| CN101149095A (en) * | 2007-10-25 | 2008-03-26 | 同济大学 | Hybrid power drive device based on double clutch automatic speed-changer |
| CN101614266A (en) * | 2009-07-27 | 2009-12-30 | 杨军 | Double clutch is multi-functional six speed transmissions of symmetric arrangement |
| CN102678839A (en) * | 2011-12-08 | 2012-09-19 | 河南科技大学 | Double-clutch transmission used in tractor |
| CN203248630U (en) * | 2013-04-28 | 2013-10-23 | 河南科技大学 | Multi-clutch speed change device |
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| CN103277466A (en) | 2013-09-04 |
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Granted publication date: 20150715 Termination date: 20160428 |