CN103256346B - Planet row convergent current type multi-clutch speed changer - Google Patents
Planet row convergent current type multi-clutch speed changer Download PDFInfo
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- CN103256346B CN103256346B CN201310155464.5A CN201310155464A CN103256346B CN 103256346 B CN103256346 B CN 103256346B CN 201310155464 A CN201310155464 A CN 201310155464A CN 103256346 B CN103256346 B CN 103256346B
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Abstract
The present invention relates to planet row convergent current type multi-clutch speed changer.Planet row convergent current type multi-clutch speed changer, comprises primary input axle, main output shaft, the first multi-clutch, the second multi-clutch and planet row confluence mechanism; First multi-clutch, the second multi-clutch include the input end for being connected with primary input axle coaxial transmission, multiple clutch output shaft and clutch mechanism; Planet row confluence mechanism comprises sun gear input shaft, planet carrier input shaft, and gear ring is connected with main output shaft coaxial transmission; Be provided with plural first between first multi-clutch and sun gear input shaft and select change gear group, the second multi-clutch and be provided with plural second between planet carrier input shaft and select change gear group; Respectively select in change gear group and include free gear, the free gear correspondence of arranged adjacent is provided with synchronizer in couples.Above-mentioned planet row convergent current type multi-clutch speed changer can meet many gears and export demand.
Description
Technical field
The present invention relates to planet row convergent current type 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 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 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 for being 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 planet row convergent current type multi-clutch speed changer that can meet many gears output demand.
The technical solution used in the present invention is: planet row convergent current type multi-clutch speed changer, comprises housing, for the primary input axle of moment of torsion input, the main output shaft of output torque, also comprises the first multi-clutch, the second multi-clutch and planet row confluence mechanism; Described first multi-clutch, the second multi-clutch include the input end for being connected with primary input axle coaxial transmission, multiple clutch output shaft and the clutch mechanism for selecting input end and one of them clutch output shaft to be in transmission connection; Described planet row confluence mechanism comprises sun gear, planet wheel, gear ring and planet carrier, and also comprise the sun gear input shaft to sun gear input torque, the planet carrier input shaft to planet carrier input torque, described gear ring is connected with described main output shaft coaxial transmission; Be provided with between each clutch output shaft of described first multi-clutch and the corresponding section of sun gear input shaft and select change gear group for plural first of transmitting torque between sun gear input shaft and the first multi-clutch, be provided with between each clutch output shaft of described second multi-clutch and the corresponding section of planet carrier input shaft and select change gear group for plural second of transmitting torque between planet carrier input shaft and the second multi-clutch; On the axle that described first selects change gear group and second to select in change gear group includes corresponding to its transmitting torque, empty set rotates the free gear of assembling, corresponding with same clutch output shaft plurally select the free gear in change gear group to be select shift gear with relation arranged adjacent in couples one to one 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 sun gear input shaft being connected with the top gear break for sun gear braking being improved gear ring rotating speed under the control mechanism control of correspondence, described planet carrier input shaft being connected with the reverse gear brake turned to for planet carrier braking being changed gear ring under the control mechanism control of correspondence.
The clutch output shaft of described first multi-clutch comprises the first odd number shelves output shaft and the first even number shelves output shaft, and the clutch output shaft of described second multi-clutch comprises the second odd number shelves output shaft and the second even number shelves output shaft.
Described first odd number shelves output shaft and first between the first even number shelves output shaft and the corresponding section of sun gear input shaft select change gear group to be equipped with two groups, and described second odd number shelves output shaft and second between the second even number shelves output shaft and the corresponding section of sun gear input shaft select change gear group to be equipped with two groups.
Described planet row convergent current type multi-clutch speed changer is provided with for controlling described clutch mechanism by the clutch operation of setting rule action, select selector device for what control each described synchronizer action.
Described planet row convergent current type multi-clutch speed changer comprises corresponding described primary input axle, main output shaft, sun gear input shaft, the speed probe of the rotating speed for detecting each axle that each clutch output shaft and planet carrier input 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 primary input axle, the first multi-clutch, the second multi-clutch are arranged in order along same straight line, described first multi-clutch is provided with the moment of torsion coupling shaft for directly being exported by the moment of torsion of primary input axle, and the input end of described second multi-clutch is in transmission connection by coupling and described moment of torsion coupling shaft.
The clutch output shaft of described first multi-clutch or the second multi-clutch comprises for the load output shaft to load output torque.
Adopt the technique scheme in the present invention, by the first multi-clutch, corresponding selects change gear group and synchronizer, kind of a number can be exported to sun gear input shaft and select with corresponding the rotating speed that the group number of change gear group is identical, again by the second multi-clutch, corresponding selects change gear group and synchronizer, kind of a number can be exported to planet carrier input shaft and select with corresponding the rotating speed that the group number of change gear group is identical, confluxing again through planet row confluence mechanism, export kind of number and the first multi-clutch to gear ring and self-correspondingly select the rotating speed that change gear group group number product is identical with the second multi-clutch is each, many gears can be met and export demand.
Accompanying drawing explanation
Fig. 1: the drive mechanism schematic diagram of an embodiment of planet row convergent current type multi-clutch speed changer of the present invention.
In figure, the name of each reference character is called: 1-motor, 2-primary input axle, 3-first even number shelves output shaft, 4-first multi-clutch IV grade of driving gear, 5-first multi-clutch II grade of driving gear, 6-speed probe, 7-first multi-clutch III grade of driving gear, 8 first odd number shelves output shafts, 9-first multi-clutch I grade of driving gear, 10-transmission case, 11-first even number shelves clutch, 12-first odd number shelves clutch, 13-coupling, 14-second odd number shelves clutch, 15-second even number shelves clutch, 16-second multi-clutch I grade of driving gear, 17-second odd number shelves output shaft, 18-second multi-clutch III grade of driving gear, 19-second multi-clutch II grade of driving gear, 20-second multi-clutch IV grade of driving gear, 21-second even number shelves output shaft, 22-load output shaft, 23-gear ring, 24-planet wheel, 25-planet carrier, 26-sun gear, 27-sun gear input shaft, 28-main output shaft, 29-second even number shelves synchronizer, 30-second odd number shelves synchronizer, 31-selects selector device, 32-electronic control unit, 33-second multi-clutch IV grade of driven gear, 34-second multi-clutch II grade of driven gear, 35-second multi-clutch III grade of driven gear, 36-second multi-clutch I grade of driven gear, 37-planet carrier input shaft, 38-reverse gear brake, 39-top gear break, 40-clutch operation, 41-first odd number shelves synchronizer, 42-first multi-clutch I grade of driven gear, 43-first multi-clutch III grade of driven gear, 44-first multi-clutch II grade of driven gear, 45-first multi-clutch IV grade of driven gear, 46-first even number shelves synchronizer.
Embodiment
An embodiment of planet row convergent current type multi-clutch speed changer of the present invention as shown in Figure 1, it is the planet row convergent current type multi-clutch speed changer used in a kind of many grades of tractors, the primary input axle 2 comprise housing 10, being in transmission connection with the output shaft of motor 1, for main output shaft 28, first multi-clutch of output torque outside speed changer, the second multi-clutch and planet row confluence mechanism, also to comprise by the clutch operation 40 of correspondence, the control system of speed variator that selects selector device 31, speed probe 6 and electronic control unit 32 etc. to form.
Described first multi-clutch, the second multi-clutch include the input end be connected with primary input axle 2 coaxial transmission, multiple clutch output shaft and the clutch mechanism for selecting input end and one of them clutch output shaft to be in transmission connection.The input end of each multi-clutch, corresponding clutch output shaft and clutch mechanism are equivalent to a clutch, in the present embodiment, first multi-clutch comprises the first odd number shelves clutch 12, first even number shelves clutch 11, two corresponding clutch output shafts are the first odd number shelves output shaft 8, first even number shelves output shaft 3, and wherein the first odd number shelves output shaft 8, first even number shelves output shaft 3 all adopts hub form; Second multi-clutch comprises the second odd number shelves clutch 14, second even number shelves clutch 15, two corresponding clutch output shafts are the second odd number shelves output shaft 17, second even number shelves output shaft 21, and wherein the second odd number shelves output shaft 17, second even number shelves output shaft 21 all adopts coaxially sheathed hub form.Described primary input axle 2, first multi-clutch, the second multi-clutch are arranged in order along same straight line, described first multi-clutch is provided with the moment of torsion coupling shaft for directly being exported by the moment of torsion of primary input axle 2, the input end of described second multi-clutch is in transmission connection by coupling 13 and described moment of torsion coupling shaft, so that process and meet installation precision requirement.Described second multi-clutch also comprises for the load output shaft 22 to load output torque, and load output shaft 22 is solid shaft form, and direct and moment of torsion coupling shaft is in transmission connection, for driving the utensil work such as corresponding farm implements.During use, first and second multi-clutch all with corresponding on-off control mechanism control connection, described clutch operation 40 and electronic control unit 32 control connection, thus optionally one of them with the first odd, even several grades of output shafts of the input end of the first multi-clutch is connected at synchronization according to the rule of setting, and optionally one of them with the second odd, even several grades of output shafts of the input end of the second multi-clutch is connected at synchronization according to the rule of setting, make the transmission of power of motor 1 to the output shaft of correspondence.Above-mentioned first multi-clutch, the second multi-clutch are provided with corresponding odd number shelves clutch, odd number shelves output shaft, with corresponding even number shelves clutch, even number shelves output shaft, 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, do not consider power interruption iff in order to realize many grades of outputs, each clutch output shaft can only be in transmission connection with the gear train of different drive ratios, and need not be arranged to above-mentioned odd, even form arranged apart.
Described planet row confluence mechanism comprises sun gear 26, planet wheel 24, gear ring 23 and planet carrier 25, also comprise to the sun gear input shaft 27 of sun gear 26 input torque, planet carrier input shaft 37 to planet carrier 25 input torque, sun gear input shaft 27 is solid shaft, and planet carrier input shaft 37 adopts coaxial sleeve to be located at hub form on sun gear input shaft 27.Described gear ring 23 is connected with described main output shaft 28 coaxial transmission.Planet row confluence mechanism can pass to moment of torsion that the moment of torsion of sun gear 26 and planet carrier input shaft 37 pass to planet wheel 24 and confluxes and export to gear ring 23 by sun gear input shaft 27.
In described first multi-clutch first is strange, be provided with between even number shelves output shaft and the corresponding section of sun gear input shaft 27 for two of transmitting torque between sun gear input shaft 27 and the first multi-clutch first select change gear group, comprise the first multi-clutch I grade of driving gear 9, first multi-clutch II grade driving gear 5, first multi-clutch III grade driving gear 7, first multi-clutch IV grade driving gear 4, with the first multi-clutch I grade of driven gear 42 of corresponding engagement driving, first multi-clutch II grade driven gear 44, first multi-clutch III grade driven gear 43, first multi-clutch IV grade driven gear 45.First multi-clutch I grade driving gear 9, first multi-clutch, III grade of driving gear 7 is connected on the first odd number shelves output shaft 8, first multi-clutch I grade driven gear 42, first multi-clutch, III grade of driven gear 43 is that empty set is arranged on the free gear on sun gear input shaft 27 and selects shift gear arranged adjacent in couples by what set, is provided with another free gear for selecting one of them free gear and sun gear input shaft 27 to be connected between the two and continues to keep the first odd number shelves synchronizer 41 of empty set.Equally, first multi-clutch II grade driving gear 5, first multi-clutch, IV grade of driving gear 4 is connected on the first even number shelves output shaft 3, first multi-clutch II grade driven gear 44, first multi-clutch, IV grade of driven gear 45 is that empty set is arranged on the free gear on sun gear input shaft 27 and selects shift gear arranged adjacent in couples by what set, is provided with another free gear for selecting one of them free gear and sun gear input shaft 27 to be connected between the two and continues to keep the first even number shelves synchronizer 46 of empty set.
The second odd number shelves output shaft 17 in described second multi-clutch, be provided with between second even number shelves output shaft 21 and the corresponding section of planet carrier input shaft 37 for two of transmitting torque between planet carrier input shaft 37 and the second multi-clutch second select change gear group, comprise the second multi-clutch I grade of driving gear 16, second multi-clutch II grade driving gear 19, second multi-clutch III grade driving gear 18, second multi-clutch IV grade driving gear 20, with the second multi-clutch I grade of driven gear 36 of corresponding engagement driving, second multi-clutch II grade driven gear 34, second multi-clutch III grade driven gear 35, second multi-clutch IV grade driven gear 33, similarly, second multi-clutch I grade driving gear 16, second multi-clutch III grade driving gear 18 and the second multi-clutch II grade of driving gear 19, second multi-clutch IV grade driving gear 20 is be connected on the second odd number shelves output shaft 17 and the second even number shelves output shaft 21 respectively, second multi-clutch I grade driven gear 36, second multi-clutch III grade driven gear 35 and the second multi-clutch II grade of driven gear 34, second multi-clutch IV grade driven gear 33 is that empty set is arranged on the free gear on planet carrier input shaft 37 and selects shift gear arranged adjacent in couples by what set, and another free gear for selecting to be connected to one of them free gear of tackling and place axle being provided with correspondence continues to keep the second odd number shelves synchronizer 30 and the second even number shelves synchronizer 29 of empty set.
Certainly, above each first selects change gear group, second to select the velocity ratio of each gear train in change gear group to be different, changes to realize different rotating speeds.
Planet row confluence mechanism 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 26, n
qfor the rotating speed of gear ring 23, n
jfor the rotating speed of planet carrier 25, α is planet row special parameter.
During use, each synchronizer all selects selector device control connection with corresponding, describedly select selector device and electronic control unit 32 control connection, wherein electronic control unit 32 i.e. ECU, that related domain is for controlling to select the conventional means of selector device and clutch operation action, concrete structure corresponding in embodiment is that those skilled in the art can realize, and repeats no more herein.Rule according to setting controls corresponding synchronizer action, and two multi-clutch correspond to the rotating speed of the velocity ratio of each gear train respectively to sun gear input shaft 27 and planet carrier input shaft 37 input.Such as, the first odd number shelves clutch 12 in first multi-clutch combines, first multi-clutch, I grade of driven gear 42 is combined with sun gear input shaft 27 by the first odd number shelves synchronizer 41, primary input axle 2 rotating speed can be passed to sun gear input shaft 27 through first odd number shelves clutch 12, first multi-clutch I grade of driving gear 9, first multi-clutch, I grade of driven gear 42, then pass to sun gear 26 by sun gear input shaft 27; And similarly, primary input axle 2 rotating speed can be passed to planet carrier input shaft 37 through coupling 13, second multi-clutch, the second multi-clutch I grade of driving gear 16, second multi-clutch I grade of driven gear 36 and the second odd number shelves synchronizer 30 by the second multi-clutch and the second odd number shelves synchronizer 30 concerted action, pass to planet carrier 25 by planet carrier input shaft 37 again, obtain a n
tand n
j, realize a n
qexport, export a rotating speed namely to main output shaft 28.In planet row confluence mechanism, sun gear input shaft 27 is also connected with and under controlling at the control mechanism of correspondence, sun gear input shaft 27 and sun gear 26 is braked and improved the top gear break 39 of gear ring 23 rotating speed, described planet carrier input shaft 37 is connected with and under controlling at the control mechanism of correspondence, planet carrier input shaft 37 and planet carrier 25 is braked and changed the reverse gear brake 38 turned to of gear ring 23.
Multi-clutch speed changer of the present invention can realize high and low 20 forward gearss and 4 reverse gears, the control that four kinds of rotating speeds of sun gear input shaft 27 are not interfered by the first multi-clutch, the control that four kinds of rotating speeds of planet carrier input shaft 37 are not interfered by the second multi-clutch, can realize 16 bottom gears simultaneously and export when the first multi-clutch and the second multi-clutch work.When top gear break 39 works, the first odd number shelves clutch 12 is all separated with the first even number shelves clutch 11, and the first multi-clutch is inoperative, can realize 4 top gears and export.When reverse gear brake 38 works, the second odd number shelves clutch 14 is all separated with the second even number shelves clutch 15, and the second multi-clutch is inoperative, the first multi-clutch, corresponding teeth wheels and corresponding synchronizer can be relied on to realize 4 reverse gears and export.The gear that the present invention can realize (16+4)+4 exports, and have high and low, reverse gear, gear is many, gear wide ranges, can meet the various working condition of tractor to the requirement of speed.
Described planet row convergent current type multi-clutch speed changer corresponding described primary input axle 2, main output shaft 28, each clutch output shaft, sun gear input shaft 27, planet carrier input shaft 37 and load output shaft 22 are provided with the speed probe 6 of the rotating speed for detecting each axle, and electronic control unit 32 can obtain the rotary speed information of each speed probe 6.During work, electronic control unit 32 carries out Discern and judge according to the running state of each rotating speed speed probe 6 pairs of speed changers, and select process of power shift according to what set, when needs select gear-change operation, by clutch operation 40 with select selector device 31 to control each corresponding clutch and each corresponding synchronizer action respectively, realize automatic speed changing.
16 of clutch bottom gear gears are divided into high, medium and low three sections, and wherein, high section bottom gear is totally 4 gears, and stage casing bottom gear is totally 8 gears, low section of bottom gear totally 4 gears.Hereafter specifically tell about state and the power transmission line of each parts when high section bottom gear, top gear and reverse gear, the state of all the other section of each parts and power transmission line can the rest may be inferred with reference to high section bottom gear, top gear and reverse gear, be that those skilled in the art can understand and realize, repeat no more herein.
High section bottom gear I grade: top gear break 39 and reverse gear brake 38 do not work, first odd number shelves clutch 12 combines, second odd number shelves clutch 14 combines, and engages (on the right side of adjoint) on the right side of the first odd number shelves synchronizer 41, engages on the left of the second odd number shelves synchronizer 30.One road power reaches the first odd number shelves output shaft 8 by primary input axle 2, passes to sun gear input shaft 27 and sun gear 26 through the first multi-clutch III grade of driving gear 7, first multi-clutch III grade of driven gear 43.Another road power reaches the second odd number shelves output shaft 17 by primary input axle 2, coupling 13, passes to planet carrier input shaft 37 and planet carrier 25 through the second multi-clutch III grade of driving gear 18, second multi-clutch III grade of driven gear 35.Two-way power converges through planet row and is exported by main output shaft 28.
High section bottom gear II grade: top gear break 39 and reverse gear brake 38 do not work, and the first odd number shelves clutch 12 combines, four clutches combines, and engages on the right side of the first odd number shelves synchronizer 41, engages on the left of the second even number shelves synchronizer 29.One road power reaches the first odd number shelves output shaft 8 by primary input axle 2, passes to sun gear input shaft 27 and sun gear 26 through the first multi-clutch III grade of driving gear 7, first multi-clutch III grade of driven gear 43.Another road power reaches the second even number shelves output shaft 21 by primary input axle 2, coupling 13, passes to planet carrier input shaft 37 and planet carrier 25 through the second multi-clutch IV grade of driving gear 20, second multi-clutch IV grade of driven gear 33.Two-way power converges through planet row and is exported by main output shaft 28.
High section bottom gear III grade: top gear break 39 and reverse gear brake 38 do not work, and the first even number shelves clutch 11 combines, and the second odd number shelves clutch 14 combines, engages on the right side of the first even number shelves synchronizer 46, engages on the left of the second odd number shelves synchronizer 30.One road power reaches the first even number shelves output shaft 3 by primary input axle 2, passes to sun gear input shaft 27 and sun gear 26 through the first multi-clutch IV grade of driving gear 4, first multi-clutch IV grade of driven gear 45.Another road power reaches the second odd number shelves output shaft 17 by primary input axle 2, coupling 13, passes to planet carrier input shaft 37 and planet carrier 25 through the second multi-clutch III grade of driving gear 18, second multi-clutch III grade of driven gear 35.Two-way power converges through planet row and is exported by main output shaft 28.
High section bottom gear IV grade: top gear break 39 and reverse gear brake 38 do not work, and the first even number shelves clutch 11 combines, and the second even number shelves clutch 15 combines, engages on the right side of the first even number shelves synchronizer 46, engages on the left of the second even number shelves synchronizer 29.One road power reaches the first even number shelves output shaft 3 by primary input axle 2, passes to sun gear input shaft 27 and sun gear 26 through the first multi-clutch IV grade of driving gear 4, first multi-clutch IV grade of driven gear 45.Another road power reaches the second even number shelves output shaft 21 by primary input axle 2, coupling 13, passes to planet carrier input shaft 37 and planet carrier 25 through the second multi-clutch IV grade of driving gear 20, second multi-clutch IV grade of driven gear 33.Two-way power converges through planet row and is exported by main output shaft 28.
Top gear I grade: top gear break 39 works, reverse gear brake 38 does not work, and the second odd number shelves clutch 14 combines, and engages on the right side of the second odd number shelves synchronizer 30.Power reaches the second odd number shelves output shaft 17 by primary input axle 2, coupling 13, passes to planet carrier input shaft 37 and planet carrier 25 through the second multi-clutch I grade of driving gear 16, second multi-clutch I grade of driven gear 36.Finally reach main output shaft 28 to export.
Top gear II grade: top gear break 39 works, reverse gear brake 38 does not work, and the second even number shelves clutch 15 combines, and engages on the right side of the second even number shelves synchronizer 29.Power reaches the second even number shelves output shaft 21 by primary input axle 2, coupling 13, passes to planet carrier input shaft 37 and planet carrier 25 through the second multi-clutch II grade of driving gear 19, second multi-clutch II grade of driven gear 34.Finally reach main output shaft 28 to export.
Top gear III grade: top gear break 39 works, reverse gear brake 38 does not work, and the second odd number shelves clutch 14 combines, the second odd number shelves synchronizer 30 left-interface.Power reaches the second odd number shelves output shaft 17 by primary input axle 2, coupling 13, passes to planet carrier input shaft 37 and planet carrier 25 through the second multi-clutch III grade of driving gear 18, second multi-clutch III grade of driven gear 35.Finally reach main output shaft 28 to export.
Top gear IV grade: top gear break 39 works, reverse gear brake 38 does not work, and the second even number shelves clutch 15 combines, the second even number shelves synchronizer 29 left-interface.Power reaches the second even number shelves output shaft 21 by primary input axle 2, coupling 13, passes to planet carrier input shaft 37 and planet carrier 25 through the second multi-clutch IV grade of driving gear 20, second multi-clutch IV grade of driven gear 33.Finally reach main output shaft 28 to export.
Reverse gear I grade: top gear break 39 does not work, reverse gear brake 38 works, and the first odd number shelves clutch 12 combines, the first odd number shelves synchronizer 41 left-interface.Power reaches the first odd number shelves output shaft 8 by primary input axle 2, passes to sun gear input shaft 27 and sun gear 26 through the second multi-clutch I grade of driving gear 16, second multi-clutch I grade of driven gear 36.Finally reach main output shaft 28 to export.
Reverse gear II grade: top gear break 39 does not work, reverse gear brake 38 works, and the first even number shelves clutch 11 combines, the first even number shelves synchronizer 46 left-interface.Power reaches the first even number shelves output shaft 3 by primary input axle 2, passes to sun gear input shaft 27 and sun gear 26 through the first multi-clutch II grade of driving gear 5, first multi-clutch II grade of driven gear 44.Finally reach main output shaft 28 to export.
Reverse gear III grade: top gear break 39 does not work, reverse gear brake 38 works, and the first odd number shelves clutch 12 combines, and engages on the right side of the first odd number shelves synchronizer 41.Power reaches the first odd number shelves output shaft 8 by primary input axle 2, passes to sun gear input shaft 27 and sun gear 26 through the first multi-clutch III grade of driving gear 7, first multi-clutch III grade of driven gear 43.Finally reach main output shaft 28 to export.
Reverse gear IV grade: top gear break 39 does not work, reverse gear brake 38 works, and the first even number shelves clutch 11 combines, and engages on the right side of the first even number shelves synchronizer 46.Power reaches the first even number shelves output shaft 3 by primary input axle 2, passes to sun gear input shaft 27 and sun gear 26 through the first multi-clutch IV grade of driving gear 4, first multi-clutch IV grade of driven gear 45.Finally reach main output shaft 28 to export.
In above-described embodiment, the first multi-clutch second multi-clutch includes two clutches, in other embodiments, first multi-clutch second multi-clutch all can be arranged to the form of multiple clutch, and corresponding clutch output shaft is set, selects change gear group and synchronizer, to realize more gear.And the first odd, even several grades of synchronizers in above-described embodiment are arranged on sun gear input shaft, second odd, even several grades of synchronizers are arranged on planet carrier input shaft, in other embodiments of the invention, first odd, even several grades of synchronizers also can be arranged on the first corresponding odd, even several grades of output shafts, and the second odd, even several grades of synchronizers also can be arranged on the second corresponding odd, even several grades of output shafts.In addition, first and second selects the quantity of change gear group middle gear group also can be set to more than three, to adapt to the gear demand of varying number.
Claims (8)
1. planet row convergent current type multi-clutch speed changer, comprises housing, for the primary input axle of moment of torsion input, the main output shaft of output torque, it is characterized in that: also comprise the first multi-clutch, the second multi-clutch and planet row confluence mechanism; Described first multi-clutch, the second multi-clutch include the input end for being connected with primary input axle coaxial transmission, multiple clutch output shaft and the clutch mechanism for selecting input end and one of them clutch output shaft to be in transmission connection; Described planet row confluence mechanism comprises sun gear, planet wheel, gear ring and planet carrier, and also comprise the sun gear input shaft to sun gear input torque, the planet carrier input shaft to planet carrier input torque, described gear ring is connected with described main output shaft coaxial transmission; Be provided with between each clutch output shaft of described first multi-clutch and the corresponding section of sun gear input shaft and select change gear group for plural first of transmitting torque between sun gear input shaft and the first multi-clutch, be provided with between each clutch output shaft of described second multi-clutch and the corresponding section of planet carrier input shaft and select change gear group for plural second of transmitting torque between planet carrier input shaft and the second multi-clutch; On the axle that described first selects change gear group and second to select in change gear group includes corresponding to its transmitting torque, empty set rotates the free gear of assembling, corresponding with same clutch output shaft plurally select the free gear in change gear group to be select shift gear with relation arranged adjacent in couples one to one 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. planet row convergent current type multi-clutch speed changer according to claim 1, it is characterized in that: described sun gear input shaft is connected with the top gear break for sun gear braking being improved gear ring rotating speed under the control mechanism control of correspondence, described planet carrier input shaft being connected with the reverse gear brake turned to for planet carrier braking being changed gear ring under the control mechanism control of correspondence.
3. planet row convergent current type multi-clutch speed changer according to claim 1, it is characterized in that: the clutch output shaft of described first multi-clutch comprises the first odd number shelves output shaft and the first even number shelves output shaft, the clutch output shaft of described second multi-clutch comprises the second odd number shelves output shaft and the second even number shelves output shaft.
4. planet row convergent current type multi-clutch speed changer according to claim 3, it is characterized in that: described first odd number shelves output shaft and first between the first even number shelves output shaft and the corresponding section of sun gear input shaft select change gear group to be equipped with two groups, described second odd number shelves output shaft and second between the second even number shelves output shaft and the corresponding section of sun gear input shaft select change gear group to be equipped with two groups.
5. the planet row convergent current type multi-clutch speed changer according to claim 1-4 any one, is characterized in that: described planet row convergent current type multi-clutch speed changer is provided with for controlling described clutch mechanism by the clutch operation of setting rule action, select selector device for what control each described synchronizer action.
6. planet row convergent current type multi-clutch speed changer according to claim 5, it is characterized in that: described planet row convergent current type multi-clutch speed changer comprises corresponding described primary input axle, main output shaft, sun gear input shaft, the speed probe of the rotating speed for detecting each axle that each clutch output shaft and planet carrier input 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 planet row convergent current type multi-clutch speed changer according to claim 1-4 any one, it is characterized in that: described primary input axle, the first multi-clutch, the second multi-clutch are arranged in order along same straight line, described first multi-clutch is provided with the moment of torsion coupling shaft for directly being exported by the moment of torsion of primary input axle, and the input end of described second multi-clutch is in transmission connection by coupling and described moment of torsion coupling shaft.
8. the planet row convergent current type multi-clutch speed changer according to claim 1-4 any one, is characterized in that: the clutch output shaft of described first multi-clutch or the second multi-clutch comprises for the load output shaft to load output torque.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155464.5A CN103256346B (en) | 2013-04-28 | 2013-04-28 | Planet row convergent current type multi-clutch speed changer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155464.5A CN103256346B (en) | 2013-04-28 | 2013-04-28 | Planet row convergent current type multi-clutch speed changer |
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| CN103256346A CN103256346A (en) | 2013-08-21 |
| CN103256346B true CN103256346B (en) | 2015-08-19 |
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| CN201310155464.5A Expired - Fee Related CN103256346B (en) | 2013-04-28 | 2013-04-28 | Planet row convergent current type multi-clutch speed changer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110319161B (en) * | 2018-03-30 | 2022-04-12 | 中国北方车辆研究所 | Wide-transmission-ratio transmission mechanism with compact structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761612A (en) * | 2008-12-24 | 2010-06-30 | 株式会社日立Nico传动设备 | Steam-driven vertical double clutch type gearbox |
| CN102287492A (en) * | 2011-05-18 | 2011-12-21 | 向兵 | Multi-clutch transmission of axis fixed planet gear-type |
| 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 |
| CN203248627U (en) * | 2013-04-28 | 2013-10-23 | 河南科技大学 | Planet row converging type multi-clutch speed changer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678847B (en) * | 2011-12-08 | 2013-07-31 | 河南科技大学 | Dual-clutch transmission for tractor |
| CN202349119U (en) * | 2011-12-08 | 2012-07-25 | 河南科技大学 | Double-clutch transmission for tractor |
-
2013
- 2013-04-28 CN CN201310155464.5A patent/CN103256346B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761612A (en) * | 2008-12-24 | 2010-06-30 | 株式会社日立Nico传动设备 | Steam-driven vertical double clutch type gearbox |
| 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 |
| CN102287492A (en) * | 2011-05-18 | 2011-12-21 | 向兵 | Multi-clutch transmission of axis fixed planet gear-type |
| CN203248627U (en) * | 2013-04-28 | 2013-10-23 | 河南科技大学 | Planet row converging type multi-clutch speed changer |
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| CN103256346A (en) | 2013-08-21 |
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