CN103256347B - Multi-clutch transmission provided with conflux planetary gear set - Google Patents

Multi-clutch transmission provided with conflux planetary gear set Download PDF

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Publication number
CN103256347B
CN103256347B CN201310155500.8A CN201310155500A CN103256347B CN 103256347 B CN103256347 B CN 103256347B CN 201310155500 A CN201310155500 A CN 201310155500A CN 103256347 B CN103256347 B CN 103256347B
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China
Prior art keywords
clutch
gear
input
output shaft
shaft
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CN201310155500.8A
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Chinese (zh)
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CN103256347A (en
Inventor
徐立友
王笛
周志立
方树平
刘孟楠
时辉
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Henan University of Science and Technology
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Henan University of Science and Technology
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Priority to CN201310155500.8A priority Critical patent/CN103256347B/en
Publication of CN103256347A publication Critical patent/CN103256347A/en
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Publication of CN103256347B publication Critical patent/CN103256347B/en
Expired - Fee Related legal-status Critical Current
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/04Combinations of toothed gearings only

Abstract

The invention relates to a multi-clutch transmission provided with a conflux planetary gear set. The multi-clutch transmission can meet requirements of multiple gears, and comprises a main input shaft, a main output shaft, multiple input side clutches and the conflux planetary gear set. The multiple input side clutches comprise an input end, at least two clutch output shafts and an input clutch mechanism. The conflux planetary gear set comprises a sun wheel input shaft, a planetary frame input shaft and a gear ring output shaft. A reverse gear set is arranged between the main input shaft and the sun wheel input shaft. The reverse gear set comprises a reverse driven gear assembled on the sun wheel input shaft in a sleeved and rotary mode, and is correspondingly provided with a reverse gear synchronizer. More than two input side gear shifting gear sets are arranged between each clutch output shaft and an input shaft of the planetary frame. Each gear shifting gear set comprises free gears, and synchronizers are distributed between the two adjacent free gears distributed in pairs. An output transmission mechanism used for transmitting output torque of the gear ring output shaft to the main output shaft is arranged between the gear ring output shaft and the main output shaft.

Description

There is the multi-clutch speed changer of conflux planetary gear set
Technical field
The present invention relates to the multi-clutch speed changer with conflux planetary gear set.
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 CN201265630Y, 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 with conflux planetary gear set that can meet many gears demand.
The technical solution used in the present invention is: the multi-clutch speed changer with conflux planetary gear set, comprises housing, for the primary input axle of power input, the main output shaft of outputting power, also comprises input side multi-clutch and conflux planetary gear set, input side multi-clutch comprises the input end be connected with primary input axle coaxial transmission, at least two clutch output shafts and the input clutch mechanism for selecting input end and one of them clutch output shaft to be in transmission connection, described conflux planetary gear set comprises sun gear, planet wheel, planet carrier and gear ring, the gear ring output shaft for output torque also comprising the sun gear input shaft to sun gear input torque, the planet carrier input shaft to planet carrier input torque and be connected with gear ring coaxial transmission, the reverse gearset for the moment of torsion of primary input axle being passed to sun gear input shaft is provided with between described primary input axle and sun gear input shaft, described reverse gearset comprises and is installed in reverse driving gear on primary input axle and empty set rotates the reverse gear driven gear be assemblied on sun gear input shaft, and described sun gear input shaft is provided with for being optionally in transmission connection with sun gear input shaft by reverse gear driven gear or being connected and the reversing-gear synchronizer braked by sun gear by brake structure corresponding on sun gear input shaft and described housing, the plural input side that between described each clutch output shaft and planet carrier input shaft, the moment of torsion be equipped with for being exported by input side multi-clutch passes to planet carrier input shaft selects change gear group, each described input side selects in change gear group empty set on the axle that includes corresponding to its transmitting torque to rotate the free gear of assembling, corresponding with same clutch output shaft plurally the free gear in change gear group is selected to be select shift gear with one-to-one relationship arranged adjacent in couples by what set, be provided with between two paired free gears that one of them free gear for selecting this right and place axle are connected and another free gear continues to keep the synchronizer of empty set, the output driving mechanism for the output torque of gear ring output shaft being passed to main output shaft is provided with between described gear ring output shaft and described main output shaft.
Described output driving mechanism comprises outlet side multi-clutch, described outlet side multi-clutch comprises the output terminal be connected with main output shaft coaxial transmission, at least two clutch input shafts and the output clutch mechanism for selecting output terminal and one of them clutch input shaft to be in transmission connection, the plural outlet side that between described each clutch input shaft and gear ring output shaft, the moment of torsion be equipped with for being exported by gear ring output shaft passes to outlet side multi-clutch selects change gear group, on the axle that each outlet side selects change gear group to include corresponding to its transmitting torque, empty set rotates the free gear of assembling, corresponding with same clutch input shaft plurally the free gear in change gear group is selected to be select shift gear with one-to-one relationship arranged adjacent in couples by what set, be provided with between two paired free gears that one of them free gear for selecting this right and place axle are connected and another free gear continues to keep the synchronizer of empty set.
Described clutch output shaft comprises odd number shelves clutch output shaft and even number shelves clutch output shaft, and described input side selects change gear group to comprise two groups of corresponding with odd number shelves clutch output shaft and even number shelves clutch output shaft respectively odd number shelves input sides to select change gear group and two groups of even number shelves input sides to select change gear group; Described clutch input shaft comprises odd number shelves clutch input shaft and even number shelves clutch input shaft, and described outlet side selects change gear group to comprise two groups of corresponding with odd number shelves clutch input shaft and even number shelves clutch input shaft respectively odd number shelves outlet sides to select change gear group and two groups of even number shelves outlet sides to select change gear group.
Described input side multi-clutch is provided with the load output shaft for the load output torque to correspondence.
The described multi-clutch speed changer with conflux planetary gear set is provided with for controlling corresponding input side clutch mechanism and exporting clutch mechanism by the clutch operation of setting rule action, select selector device for what control each described synchronizer action.
The described multi-clutch speed changer with conflux planetary gear set comprises corresponding described primary input axle, main output shaft, each clutch output shaft, each clutch input shaft, sun gear input shaft, planet carrier input shaft, the speed probe of the rotating speed for detecting each axle that gear ring output shaft and load 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.
Adopt the technique scheme in the present invention, pass through reverse gearset, reversing-gear synchronizer can optionally be braked to the sun gear input shaft input torque in conflux planetary gear set or by sun gear input shaft, by input side multi-clutch, corresponding selects change gear group and synchronizer, the rotating speed selecting the product of the group number of change gear group corresponding to each clutch output shaft can be equaled to planet carrier input shaft input kind of the number in conflux planetary gear set, confluxed by conflux planetary gear set again, gear ring can export kind of a number to gear ring output shaft and equal the rotating speed selecting the product of the group number of change gear group corresponding to each clutch output shaft, and then exported to main output shaft by output transmission structure, and when sun gear is braked by reversing-gear synchronizer, forward gears can be realized export, when sun gear input shaft and reverse gear driven gear are in transmission connection by reversing-gear synchronizer, reverse gear can be realized export, more gear is achieved by better simply structure, gear wide ranges, many gears demand can be met.And by outlet side multi-clutch, corresponding select change gear group and synchronizer, a certain rotating speed that gear ring output shaft obtains can be transformed into again the rotating speed of the product of the group number of change gear group that selects that kind of number equals each clutch output shaft corresponding and obtain more rotating speed.
Accompanying drawing explanation
Fig. 1: the present invention has the structural representation of an embodiment of the multi-clutch speed changer of conflux planetary gear set.
The name that in figure, each reference character is corresponding is called: 1-main output shaft, 2-speed probe, 3-housing, 4-outlet side multi-clutch shell, 5-outlet side even number shelves clutch, 6-outlet side odd number shelves clutch, 7-outlet side I shelves driven gear, 8-outlet side III shelves driven gear, 9-odd number shelves clutch input shaft, 10-even number shelves clutch input shaft, 11-outlet side II shelves driven gear, 12-outlet side IV shelves driven gear, 13-load output shaft, 14-even number shelves clutch output shaft, 15-input side IV shelves driving gear, 16-input side II shelves driving gear, 17-odd number shelves clutch output shaft, 18-input side III shelves driving gear, 19-input side I shelves driving gear, 20-input side odd number shelves clutch, 21-input side multi-clutch shell, 22-clutch operation, 23-input side even number shelves clutch, 24-load output clutch, 25-reverse driving gear, 26-primary input axle, 27-motor, 28-reverse gear driven gear, 29-reversing-gear synchronizer, 30-sun gear input shaft, 31-input side odd number shelves synchronizer, 32-input side I shelves driven gear, 33-input side III shelves driven gear, 34-input side II shelves driven gear, 35-input side even number shelves synchronizer, 36-input side IV shelves driven gear, 37-planet carrier input shaft, 38-planet carrier, 39-planet wheel, 40-gear ring, 41-sun gear, 42-gear ring output shaft, 43-outlet side I shelves driving gear, 44-outlet side even number shelves synchronizer, 45-outlet side III shelves driving gear, 46-outlet side II shelves driving gear, 47-outlet side odd number shelves synchronizer, 48-outlet side IV shelves driving gear, 49-selects selector device, 50-electronic control unit.
Embodiment
The present invention has an embodiment of the multi-clutch speed changer of conflux planetary gear set as shown in Figure 1, comprise housing 3, be in transmission connection in as the primary input axle 26 for power input on the motor 27 of power source, the main output shaft 1 of outputting power, input side multi-clutch, outlet side multi-clutch and conflux planetary gear set, also comprise by the clutch operation 22 of correspondence, the control system of speed variator that selects selector device 49, speed probe 2 and electronic control unit 50 etc. to form.
Input side multi-clutch comprises input side multi-clutch shell 21, the input end be connected with primary input axle 26 coaxial transmission, three clutch output shafts and the input clutch mechanism for selecting input end and one of them clutch output shaft to be in transmission connection, input end and corresponding clutch output shaft, input clutch mechanism is equivalent to a clutch, clutch output shaft in the present embodiment comprises odd number shelves clutch output shaft 17, even number shelves clutch output shaft 14 and load output shaft 13, corresponding input side multi-clutch comprises input side odd number shelves clutch 20, input side even number shelves clutch 23 and load output clutch 24.Wherein load output shaft 13 is solid shaft forms, and for driving the utensil work such as corresponding farm implements, odd number shelves clutch output shaft 17 and even number shelves clutch output shaft 14 are hub form that coaxial sleeve is located on load output shaft 13.
Outlet side multi-clutch comprises outlet side multi-clutch shell 4, the output terminal be connected with main output shaft 1 coaxial transmission, two clutch input shafts and the output clutch mechanism for selecting output terminal and one of them clutch input shaft to be in transmission connection, output terminal and corresponding clutch input shaft, output clutch mechanism are equivalent to a clutch, clutch input shaft in the present embodiment comprises odd number shelves clutch input shaft 9 and even number shelves clutch input shaft 10, and corresponding outlet side multi-clutch comprises outlet side odd number shelves clutch 6 and outlet side even number shelves clutch 5.Wherein even number shelves clutch input shaft 10 is solid shaft forms, and odd number shelves clutch input shaft 9 is hub form that coaxial sleeve is located on even number shelves clutch input shaft 10.
Described conflux planetary gear set comprises sun gear 41, planet wheel 39, planet carrier 38 and gear ring 40, the gear ring output shaft 42 also comprising the sun gear input shaft 30 to sun gear 41 input torque, the planet carrier input shaft 37 to planet carrier 38 output torque and be connected with gear ring 40 coaxial transmission and exported outside conflux planetary gear set by the moment of torsion confluxed through sun gear 41 and planet carrier 38.Wherein sun gear input shaft 30 is solid shaft forms, and planet carrier input shaft 37 is hub form that coaxial sleeve is located on sun gear input shaft 30.The reverse gearset for the moment of torsion of primary input axle 26 being passed to sun gear input shaft 30 is provided with between described primary input axle 26 and sun gear input shaft 30, described reverse gearset comprises and is installed in reverse driving gear 25 on primary input axle 26 and empty set rotates the reverse gear driven gear 28 be assemblied on sun gear input shaft 30, described sun gear input shaft 30 is provided with reversing-gear synchronizer 29, for optionally reverse gear driven gear 28 and sun gear input shaft 30 being in transmission connection, or sun gear input shaft 30 being connected with corresponding housing 3 and sun gear 41 is braked.
Described odd number shelves clutch output shaft 17 and two input sides that between even number shelves clutch output shaft 14 and planet carrier input shaft 37, the moment of torsion be equipped with for being exported by outlet side multi-clutch passes to planet carrier input shaft 37 select change gear group, comprise the two group odd number shelves input sides corresponding with odd number shelves clutch output shaft 17 and select change gear group, and the two group even number shelves input sides corresponding with even number shelves clutch output shaft 14 select change gear group.
According to setting select shift gear, two groups of odd number shelves input sides select change gear group to be respectively input side I shelves select change gear group, input side III shelves select change gear group.Input side I shelves select change gear group to comprise to be installed in the input side I shelves driving gear 19 on odd number shelves clutch output shaft 17, empty set to rotate to be assemblied in select change gear group to comprise on planet carrier input shaft 37 and with input side I shelves driven gear 32, the input side III shelves of input side I shelves driving gear 19 engagement driving to be installed in the input side III shelves driving gear 18 on odd number shelves clutch output shaft 17, empty set rotate be assemblied on planet carrier input shaft 37 and with the input side III shelves driven gear 33 of input side III shelves driving gear 18 engagement driving.Input side I shelves driven gear 32 and input side III shelves driven gear 33 are with one-to-one relationship arranged adjacent in couples, are provided with between the two for selecting both one of them and planet carrier input shaft 37 is connected and another continues to keep the input side odd number shelves synchronizer 31 of empty set.
Shift gear is selected according to what set, two groups of even number shelves input sides select change gear group to be respectively input side II shelves and select change gear group, input side IV shelves select change gear group, input side II shelves select change gear group to comprise to be installed in the input side II shelves driving gear 16 on odd number shelves clutch output shaft 17, empty set rotate to be assemblied on planet carrier input shaft 37 and with the input side II shelves driven gear 34 of input side II shelves driving gear 16 engagement driving, input side IV shelves select change gear group to comprise to be installed in the input side IV shelves driving gear 15 on odd number shelves clutch output shaft 17, empty set rotate to be assemblied on planet carrier input shaft 37 and with the input side IV shelves driven gear 36 of input side IV shelves driving gear 15 engagement driving.Input side II shelves driven gear 34 and input side IV shelves driven gear 36 are with one-to-one relationship arranged adjacent in couples, are provided with between the two for selecting both one of them and planet carrier input shaft 37 is connected and another continues to keep the input side even number shelves synchronizer 35 of empty set.
Described clutch input shaft comprises odd number shelves clutch input shaft 9 and even number shelves clutch input shaft 10, described outlet side selects change gear group to comprise the two group odd number shelves outlet sides corresponding with odd number shelves clutch input shaft 9 and selects change gear group, and the two group even number shelves outlet sides corresponding with even number shelves clutch input shaft 10 select change gear group.
Shift gear is selected according to what set, two groups of odd number shelves outlet sides select change gear group to be respectively outlet side I shelves and select change gear group, outlet side III shelves select change gear group, outlet side I shelves select change gear group to comprise empty set and rotate the outlet side I shelves driving gear 43 be assemblied on gear ring output shaft 42, to be installed on odd number shelves clutch output shaft 17 and with the outlet side I shelves driven gear 7 of outlet side I shelves driving gear 43 engagement driving, outlet side III shelves select change gear group to comprise empty set and rotate the outlet side III shelves driving gear 45 be assemblied on gear ring output shaft 42, to be installed on odd number shelves clutch output shaft 17 and with the outlet side III shelves driven gear 8 of outlet side III shelves driving gear 45 engagement driving.Outlet side I shelves driven gear 7 and outlet side III shelves driven gear 8 are with one-to-one relationship arranged adjacent in couples, are provided with between the two for selecting both one of them and gear ring output shaft 42 is connected and another continues to keep the outlet side odd number shelves synchronizer 47 of empty set.
Shift gear is selected according to what set, two groups of even number shelves outlet sides select change gear group to be respectively outlet side II shelves and select change gear group, outlet side IV shelves select change gear group, outlet side II shelves select change gear group to comprise empty set and rotate the outlet side II shelves driving gear 46 be assemblied on gear ring output shaft 42, be installed in the outlet side II shelves driven gear 11 on even number shelves clutch output shaft 14, outlet side IV shelves select change gear group to comprise empty set and rotate the outlet side IV shelves driving gear 48 be assemblied on gear ring output shaft 42, be installed in the outlet side IV shelves driven gear 12 on even number shelves clutch output shaft 14.Outlet side II shelves driven gear 11 and outlet side IV shelves driven gear 12 are with one-to-one relationship arranged adjacent in couples, are provided with between the two for selecting both one of them and gear ring output shaft 42 is connected and another continues to keep the outlet side even number shelves synchronizer 44 of empty set.
Certainly, each group is selected the velocity ratio in change gear group to be arrange according to the shift gear of selecting of setting.
Above-mentioned input side multi-clutch is provided with corresponding odd number shelves clutch output shaft 17 and even number shelves clutch output shaft 14, outlet side multi-clutch is provided with corresponding odd number shelves clutch input shaft 9 and even number shelves clutch input shaft 10, select change gear with corresponding odd number shelves and select change gear group and corresponding synchronizer to coordinate with even number shelves, dual-clutch transmission technology as described in the background art can being utilized, solving the problem that torque transfer is interrupted when selecting gear shift preferably.Certainly, in other embodiments, not considering power interruption problem iff in order to realize many grades of outputs, respectively selecting change gear group can be arranged to above-mentioned odd, even form arranged apart.
Conflux planetary gear set meets planet row characteristic equation in planet row Process of Confluence:
n t+αn q=(1+α)n j
In formula, n tfor the rotating speed of sun gear 41, n qfor the rotating speed of gear ring 40, n jfor the rotating speed of planet carrier 38, α is planet row special parameter.
Reversing-gear synchronizer 29 according to figure left side and reverse gear driven gear 28 in conjunction with time, sun gear 41 rotating speed is non-vanishing, when meeting n i> (1+ α) n jtime, mechanism can realize reverse gear and export, input side multi-clutch can export 4 kinds of rotating speeds to planet carrier 38, the exportable 4 kinds of rotating speeds of gear ring 40 after conflux planetary gear set is confluxed, equally, the transformation of speed of gear ring output shaft 42 can become 4 kinds to export from main output shaft 1 by outlet side multi-clutch, thus realizes 4 × 4 kinds of reverse gears outputs.Reversing-gear synchronizer 29 according to figure right side and housing 3 in conjunction with time, sun gear 41 is braked, rotating speed is zero, input side multi-clutch can export 4 kinds of forward gears rotating speeds to planet carrier 38, after conflux planetary gear set is confluxed, the exportable 4 kinds of forward gearss of gear ring 40 are walked around speed, equally, the transformation of speed of gear ring output shaft 42 can become 4 kinds to export from main output shaft 1 by outlet side multi-clutch, thus realizes 4 × 4 kinds of forward gearss and transfer out.Therefore, the present invention adopts the technological scheme of above-described embodiment, can realize 16 kinds of forward gears rotating speeds and 16 kinds of reverse gear rotating speeds, achieve more gear, gear wide ranges by better simply structure, can meet the various working condition of tractor to the requirement of speed.
Clutch operation 22 presses the action of setting rule for control inputs side multi-clutch and outlet side multi-clutch, select selector device for controlling each described synchronizer action, action is relatively independent is each other independent of each other for input side multi-clutch and outlet side multi-clutch.Multi-clutch speed changer also comprises corresponding described primary input axle 26, main output shaft 1, each clutch output shaft, each clutch input shaft, sun gear input shaft 30, planet carrier input shaft 37, the speed probe 2 of the rotating speed for detecting each axle that gear ring output shaft 42 and load output shaft 13 are arranged, the signal output part of speed probe 2 is connected with the signal input part of electronic control unit 50, electronic control unit 50 can obtain the rotary speed information of described speed probe 2 and controls described clutch operation 22 according to rotary speed information and select selector device 49 action, electronic control unit 50 is with described clutch operation 22 and select selector device 49 control connection.During work, the running state of each rotating speed speed probe 2 pairs of speed changers carries out Discern and judge, process of power shift is selected according to what set, when needs select gear-change operation, by clutch operation 22 and select selector device 49 to control respectively operation that each clutch and each synchronizer select gear shift action, realize automatic speed changing.
When the present invention has the multi-clutch transmission duty of conflux planetary gear set, the transfer route of each shelves is similar, transfer principle is identical, hereafter specifically tell about that reverse gear is the most high-grade, reverse gear lowest order and forward gears is the most high-grade, forward gears lowest gear four kinds of situations time the state of each parts and power transmission line, the rest may be inferred for all the other gears, no longer specifically describes.
Forward gears lowest gear: load output clutch 24 combines, carry out load output, input side odd number shelves clutch 20 combines, outlet side even number shelves clutch 5 combines, input side odd number shelves synchronizer 31 combines according to figure left side, outlet side even number shelves synchronizer 44 combines according to figure left side, and reversing-gear synchronizer 29 combines according to figure left side.Power transmission line is: reach odd number shelves clutch input shaft 9 by primary input axle 26, engagement through input side I shelves main driven gear 19 reaches planet carrier input shaft 37, gear ring output shaft 42 is reached by planet carrier input shaft 37 and conflux planetary gear set, engagement through the driving and driven gear of outlet side IV shelves reaches even number shelves clutch output shaft 14, finally reaches main output shaft 1.
Forward gears is the most high-grade: load output clutch 24 combines, carry out load output, second clutch C2 combines, outlet side odd number shelves clutch 6 combines, input side even number shelves synchronizer 35 combines according to figure right side, outlet side odd number shelves synchronizer 47 combines according to figure right side, and reversing-gear synchronizer 29 combines according to figure left side.Power transmission line is: reach even number shelves clutch input shaft 10 by primary input axle 26, engagement through the driving and driven gear of input side IV shelves reaches planet carrier input shaft 37, gear ring output shaft 42 is reached by planet carrier input shaft 37 and conflux planetary gear set, engagement through the master and slave gear of outlet side I shelves reaches odd number shelves clutch output shaft 17, finally reaches main output shaft 1.
Reverse gear lowest gear: load output clutch 24 combines, carries out load output, and second clutch C2 combines, outlet side odd number shelves clutch 6 combines, input side even number shelves synchronizer 35 combines according to figure right side, and outlet side odd number shelves synchronizer 47 combines according to figure right side, and reversing-gear synchronizer 29 combines according to figure right side.Power transmission line is: a route primary input axle 26 reaches even number shelves clutch input shaft 10, engagement through the driving and driven gear of input side IV shelves reaches planet carrier input shaft 37, another route primary input axle 26 reaches sun gear input shaft 30, two-way converges and reaches gear ring output shaft 42 through conflux planetary gear set, engagement through the master and slave gear of outlet side I shelves reaches odd number shelves clutch output shaft 17, finally reaches main output shaft 1.
Reverse gear is the most high-grade: load output clutch 24 combines, carry out load output, input side odd number shelves clutch 20 combines, outlet side even number shelves clutch 5 combines, input side odd number shelves synchronizer 31 combines according to figure left side, outlet side even number shelves synchronizer 44 combines according to figure left side, and reversing-gear synchronizer 29 combines according to figure right side.Power transmission line is: a route primary input axle 26 reaches odd number shelves clutch input shaft 9, engagement through the driving and driven gear 19 of input side I shelves reaches planet carrier input shaft 37, another route primary input axle 26 reaches sun gear input shaft 30, two-way converges and reaches gear ring output shaft 42 through conflux planetary gear set, engagement through the driving and driven gear of outlet side IV shelves reaches even number shelves clutch output shaft 14, finally reaches main output shaft 1.
In the above embodiment of the present invention, what described gear ring output shaft and the output driving mechanism between described main output shaft adopted is the mechanism comprising outlet side multi-clutch, corresponding clutch input shaft and corresponding synchronizer, make use of dual-clutch transmission technology in background technique, in other embodiments, above-mentioned output driving mechanism also can replace to other forms, such as a pair intermeshing fixed axis gear, or adopt coupling, directly gear ring output shaft and main output shaft are in transmission connection.
In the above embodiment of the present invention, the odd, even several grades of synchronizers of input side are that corresponding row carrier input shaft 37 is arranged, the odd, even several grades of synchronizers of outlet side are that corresponding gear ring output shaft 42 is arranged, in other embodiments of the invention, the odd, even several grades of synchronizers of input side also can be distinguished corresponding odd, even several grades of clutch output shafts and arrange, and the odd, even several grades of synchronizers of outlet side also can be distinguished corresponding odd, even several grades of clutch input shafts and arrange.In addition, the clutch output shaft that input side multi-clutch is corresponding with planet carrier input shaft 37 also can be set to more than three, the clutch input shaft that outlet side multi-clutch is corresponding with gear ring output shaft 42 also can be arranged to more than three, and select change gear group with reference to above-mentioned, the corresponding axle increased arrange more than two comprise free gear select change gear group, corresponding increasing selects change gear group and synchronizer simultaneously, can adapt to the gear demand of greater number.Similarly, increase the group number each clutch output shaft or clutch input shaft selecting change gear group, also can adapt to the gear demand of greater number.And the load output shaft 13 in above-described embodiment, input side multi-clutch arranged is nonessential structure, also can save in other embodiments.

Claims (6)

1. there is the multi-clutch speed changer of conflux planetary gear set, comprise housing, for the primary input axle of power input, the main output shaft of outputting power, it is characterized in that: also comprise input side multi-clutch and conflux planetary gear set, input side multi-clutch comprises the input end be connected with primary input axle coaxial transmission, at least two clutch output shafts and the input clutch mechanism for selecting input end and one of them clutch output shaft to be in transmission connection, described conflux planetary gear set comprises sun gear, planet wheel, planet carrier and gear ring, the gear ring output shaft for output torque also comprising the sun gear input shaft to sun gear input torque, the planet carrier input shaft to planet carrier input torque and be connected with gear ring coaxial transmission, the reverse gearset for the moment of torsion of primary input axle being passed to sun gear input shaft is provided with between described primary input axle and sun gear input shaft, described reverse gearset comprises and is installed in reverse driving gear on primary input axle and empty set rotates the reverse gear driven gear be assemblied on sun gear input shaft, and described sun gear input shaft is provided with for being optionally in transmission connection with sun gear input shaft by reverse gear driven gear or being connected and the reversing-gear synchronizer braked by sun gear by brake structure corresponding on sun gear input shaft and described housing, the plural input side that between each clutch output shaft and planet carrier input shaft, the moment of torsion be equipped with for being exported by input side multi-clutch passes to planet carrier input shaft selects change gear group, each described input side selects in change gear group empty set on the axle that includes corresponding to its transmitting torque to rotate the free gear of assembling, corresponding with same clutch output shaft plurally the free gear in change gear group is selected to be select shift gear with one-to-one relationship arranged adjacent in couples by what set, be provided with between two paired free gears that one of them free gear for selecting this right and place axle are connected and another free gear continues to keep the synchronizer of empty set, the output driving mechanism for the output torque of gear ring output shaft being passed to main output shaft is provided with between described gear ring output shaft and described main output shaft.
2. the multi-clutch speed changer with conflux planetary gear set according to claim 1, it is characterized in that: described output driving mechanism comprises outlet side multi-clutch, described outlet side multi-clutch comprises the output terminal be connected with main output shaft coaxial transmission, at least two clutch input shafts and the output clutch mechanism for selecting output terminal and one of them clutch input shaft to be in transmission connection, the plural outlet side that between each clutch input shaft and gear ring output shaft, the moment of torsion be equipped with for being exported by gear ring output shaft passes to outlet side multi-clutch selects change gear group, on the axle that each outlet side selects change gear group to include corresponding to its transmitting torque, empty set rotates the free gear of assembling, corresponding with same clutch input shaft plurally the free gear in change gear group is selected to be select shift gear with one-to-one relationship arranged adjacent in couples by what set, be provided with between two paired free gears that one of them free gear for selecting this right and place axle are connected and another free gear continues to keep the synchronizer of empty set.
3. the multi-clutch speed changer with conflux planetary gear set according to claim 2, it is characterized in that: described clutch output shaft comprises odd number shelves clutch output shaft and even number shelves clutch output shaft, described input side selects change gear group to comprise two groups of corresponding with odd number shelves clutch output shaft and even number shelves clutch output shaft respectively odd number shelves input sides to select change gear group and two groups of even number shelves input sides to select change gear group; Described clutch input shaft comprises odd number shelves clutch input shaft and even number shelves clutch input shaft, and described outlet side selects change gear group to comprise two groups of corresponding with odd number shelves clutch input shaft and even number shelves clutch input shaft respectively odd number shelves outlet sides to select change gear group and two groups of even number shelves outlet sides to select change gear group.
4. the multi-clutch speed changer with conflux planetary gear set according to Claims 2 or 3, is characterized in that: described input side multi-clutch is provided with the load output shaft for the load output torque to correspondence.
5. the multi-clutch speed changer with conflux planetary gear set according to claim 4, is characterized in that: described in there is conflux planetary gear set multi-clutch speed changer be provided with for control corresponding input clutch mechanism and export clutch mechanism by the clutch operation of setting rule action and for controlling reversing-gear synchronizer, select synchronizer corresponding to change gear group with input side, the synchronizer action of selecting change gear group corresponding with outlet side select selector device.
6. the multi-clutch speed changer with conflux planetary gear set according to claim 5, it is characterized in that: described in there is conflux planetary gear set multi-clutch speed changer comprise corresponding described primary input axle, main output shaft, each clutch output shaft, each clutch input shaft, sun gear input shaft, planet carrier input shaft, the speed probe of the rotating speed for detecting each axle that gear ring output shaft and load 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.
CN201310155500.8A 2013-04-28 2013-04-28 Multi-clutch transmission provided with conflux planetary gear set Expired - Fee Related CN103256347B (en)

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CN104074931B (en) * 2014-07-07 2016-08-17 安徽江淮汽车股份有限公司 A kind of multi-clutch transmission gear

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CN101592212A (en) * 2009-07-09 2009-12-02 浙江长泰机械有限公司 A kind of light vehicle transmission with major and minor case
CN101592211A (en) * 2009-07-09 2009-12-02 浙江长泰机械有限公司 Light vehicle transmission with major and minor case
JP2010151159A (en) * 2008-12-24 2010-07-08 Hitachi Nico Transmission Co Ltd Twin clutch type transmission for railway motor car
CN102966706A (en) * 2011-03-30 2013-03-13 浙江万里扬变速器股份有限公司 Three-shaft double-clutch speed changer
CN203248625U (en) * 2013-04-28 2013-10-23 河南科技大学 Multi-clutch transmission with convergent planetary row

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Publication number Priority date Publication date Assignee Title
CN101280826A (en) * 2008-05-13 2008-10-08 华南理工大学 Power shift type automatic transmission system
JP2010151159A (en) * 2008-12-24 2010-07-08 Hitachi Nico Transmission Co Ltd Twin clutch type transmission for railway motor car
CN101592212A (en) * 2009-07-09 2009-12-02 浙江长泰机械有限公司 A kind of light vehicle transmission with major and minor case
CN101592211A (en) * 2009-07-09 2009-12-02 浙江长泰机械有限公司 Light vehicle transmission with major and minor case
CN102966706A (en) * 2011-03-30 2013-03-13 浙江万里扬变速器股份有限公司 Three-shaft double-clutch speed changer
CN203248625U (en) * 2013-04-28 2013-10-23 河南科技大学 Multi-clutch transmission with convergent planetary row

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