CN103527726A - Speed changer - Google Patents
Speed changer Download PDFInfo
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- CN103527726A CN103527726A CN201310490312.0A CN201310490312A CN103527726A CN 103527726 A CN103527726 A CN 103527726A CN 201310490312 A CN201310490312 A CN 201310490312A CN 103527726 A CN103527726 A CN 103527726A
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- gear
- clutch
- input shaft
- power input
- synchronizer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
- F16H3/126—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches using an electric drive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention relates to the field of automobiles, in particular to a speed changer. The speed changer is characterized in that a first clutch is connected with or separated from one end of a second power input shaft through a first stepping motor, a second clutch is connected with or separated from the other end of the second power input shaft through a second stepping motor, a third clutch is connected with or separated from one end of a third power input shaft through a third stepping motor, the second power input shaft and the third power input shaft are respectively and fixedly connected with a plurality of synchronizers, each synchronizer is provided with two gear synchronous gears, the synchronizers are meshed with or separated from gear synchronous gears, the gear synchronous gears are in gear meshing with an output shaft, the output shaft is connected with a differential mechanism through a main transmission gear, the differential mechanism is connected with a flange shaft, a flywheel of the first clutch drives the second clutch and the third clutch through a first power input shaft, and the first power input shaft is sleeved with the second power input shaft. The speed changer improves the convenience of gear shifting, and operation is easier.
Description
Technical field
The present invention relates to automotive field, in particular to speed changer.
Background technique
Traditional manual transmission is used a clutch, clutch combination that gear shift action is divided into three actions: clutch separation--gear shift fork is stirred synchronizer shift (engagement of separated/new shelves gear of front shelves gear)--, these three actions, successively carry out, it is foot-operated that driver must step on clutch, the gear of the different gears of order is made meshing action, and being interrupted just appears in power in gearshift procedure, and order output performance is interrupted to some extent.
Traditional automatic transmission case does not have the clutch of control and engine output shaft break-make, but coordinates planetary gear set to carry out gear shift by fluid torque converter.It and manual transmission be except the difference automatically controlling, the difference of mechanical aspects maximum be exactly the gear of planetary gear set in normal engagement, by giving the clutch (braking) of some gear, produce different velocity ratios.
DSG(Diect Shift Geabox) the Chinese surface meaning is " directly shift transmission ", and DSG is different from general semiautomatic gearbox system, and it is based on manual transmission design, so it also belongs to AMT(automatic mechanical transmission).
The structure of manual transmission is higher compared with automatic transmission case efficiency, and the moment of torsion can bear is also larger, and DSG is except having flexibly and automatic transmission case comfortable of manual transmission, and it more can provide unremitting power output.
DSG can be envisioned as the function of two manual transmission is united two into one, and is based upon in single system, and he does not have fluid torque converter there is no planetary gear set yet.From gear parts at first sight the spitting image of a manual transmission, because it has synchronizer, but different is the break-make that he uses " two " Clutch Control and engine power, these two clutches by the automatic control of electronic control and hydraulic drive, speed change reaction is exceedingly fast, during whole gear shift, can guarantee to have at least one group of gear at outputting power, make power not occur the situation of being interrupted.
DSG gearbox adopts the control system of the electronics and the hydraulic pressure that are positioned at gearbox front portion, the independent inductor that connects 12 groups of DSG, add the information of vehicle driving states, thereby promote the running of each valve and other assemblies, and the hydraulic pressure of two tool clutches should be regulated because of the difference situation of driving a vehicle by special automatically controlled valve.Electronic control system is also responsible for calculating by by the suitable gear section of preliminary election and manage other controlling rods, also can be by 6 groups of pressure regulator valves and 5 groups of switch valves monitoring oil pressure cooling systems.
Driver can utilize the gear shift sheet on gear lever or steering wheel to control the hand shift that DSG carries out list type, and the operation of gearshift procedure clutch transfers to DSG computer to control completely.No matter use under steam manual mode, or the automatic shift mode of D or S, as long as pat the gear shift sheet on steering wheel, DSG switches to immediately manual mode and carries out shift procedure, there is no hysteresis sense when traditional automatic transmission is anxious to be accelerated.But owing to there is no the buffering of fluid torque converter, Shift into accelerating, be not as soft as traditional speed changer, is therefore applicable to the sport car that emphasis is accelerated and controlled, and is not suitable for the luxurious caravan of focusing on travelling comfort.
Summary of the invention
The object of the present invention is to provide a kind of speed changer, to solve the above problems.
A kind of speed changer is provided in an embodiment of the present invention, has comprised: the 3rd clutch of the first clutch of dry type, the second clutch of multidisc, multidisc, the first power input shaft, the second power input shaft, the 3rd power input shaft, output shaft, differential mechanism;
Described first clutch is connected with one end of described the second power input shaft by the first stepper motor or is separated;
Described second clutch is connected with the other end of described the second power input shaft by the second stepper motor or is separated;
Described the 3rd clutch is connected with one end of described the 3rd power input shaft by the 3rd stepper motor or is separated;
On described the second power input shaft He on described the 3rd power input shaft, be fixedly connected with respectively a plurality of synchronizers, each synchronizer is furnished with two gear synchromesh gears, and is meshed with described gear synchromesh gear or separated;
All described gear synchromesh gears and described output shaft carry out gear engagement;
Described output shaft is connected with differential mechanism by main drive gear; Differential mechanism is connected with flange shaft;
Described first clutch flywheel drives described second clutch, the 3rd clutch by the first power input shaft;
The inside of described the second power input shaft is set with described the first power input shaft.
A kind of speed changer providing in embodiments of the invention can reach following beneficial effect:
In speed changer, stepper motor is realized the combination of clutch and separated gearbox, speed change reaction is fast, on the second power input shaft or the 3rd power input shaft, be fixedly connected with respectively synchronizer, synchronizer is furnished with gear synchromesh gear, and be meshed with gear synchromesh gear or separated, can be by transmission of power to gear synchromesh gear when engagement, therefore during whole gear shift, can guarantee to have at any time one group of synchromesh gear at outputting power, make power there is no the phenomenon of being interrupted, also because adopting the combination of step motor control clutch with separated, allow clutch there will not be shifting shock in best bonding state, damage car, phenomenons such as making vehicle shake is short of power.Such as: a fixing synchronizer of the second power input shaft meshes after a certain side gear synchromesh gear, when the second power input shaft is connected with first clutch, produces a gear; When the second power input shaft is connected with second clutch, produce another gear, therefore, a synchronizer of the second power input shaft meshes by the gear synchromesh gear with both sides, can realize the variation of 4 shelves; Again such as a fixing synchronizer of: the 3rd power input shaft meshes after a certain side gear synchromesh gear, when the 3rd power input shaft is connected with Third Road clutch, produce a gear, after this synchronizer and the engagement of opposite side gear synchromesh gear, produce another gear.As fully visible, this clutch improves the convenience of gear shift, operates comparatively simple.
Accompanying drawing explanation
Fig. 1 shows the structural representation of speed changer in one embodiment of the invention;
Fig. 2 shows the connection diagram of the automation control of speed changer in one embodiment of the invention.
Note:
A-first clutch (dry type); B-second clutch (multidisc); C-the 3rd clutch (multidisc); D-the second synchronizer; E-the 4th synchronizer; F-the 6th synchronizer; G-the first synchronizer; H-the 3rd synchronizer; I-the 5th synchronizer; J-output shaft; K-differential mechanism; 1-first clutch platen; 2-clutch friction plate; 3-coupling flywheel; 4-the first power input shaft; 5-release bearing; 6-stepper motor; 7-the second power input shaft; 8-housing; 9-the 3rd power input shaft; 10-planetary gears sun gear; Sheet in 11-clutch; 12-clutch outer plate; 13-the first power input shaft output gear; 14-second clutch input gear; 15-the 4th stepper motor; 16-gearbox control unit; 17-planetary gears frame; 18-planetary gears planet wheel; 19-planetary gears gear ring; 20-1 2 grades of gear synchromesh gears; 21-planetary gears sun gear (or being called the synchromesh gear that reverses gear); 22-4 5 grades of gear synchromesh gears; 23-7 8 grades of gear synchromesh gears; 24-10 11 grades of gear synchromesh gears; 25-13 14 grades of gear synchromesh gears; 26-16 17 grades of gear synchromesh gears; 27-synchronous slide tooth cover; 28-synchronizing tooth ring; 29-synchronous gear hub; 30-the 3rd clutch input gear; 31-15 shelves gear synchromesh gear; 32-12 shelves gear synchromesh gear; 33-9 shelves gear synchromesh gear; 34-6 shelves gear synchromesh gear; 35-3 shelves gear synchromesh gear; 36-differential spider pinion shaft; 37-flange shaft; 38-differential pinion gear; 39-main drive gear; 40-coupling flywheel speed probe; 41-the 3rd speed probe; 42-the second speed probe; 43-OSS; 44-engine controller; 45-gearshift mechanism.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the present invention is described in further detail.
One embodiment of the invention provides a kind of speed changer, comprising: the 3rd clutch of the first clutch of dry type, the second clutch of multidisc, multidisc, the first power input shaft, the second power input shaft, the 3rd power input shaft, output shaft, differential mechanism;
Described first clutch is connected with one end of described the second power input shaft by the first stepper motor or is separated;
Described second clutch is connected with the other end of described the second power input shaft by the second stepper motor or is separated;
Described the 3rd clutch is connected with one end of described the 3rd power input shaft by the 3rd stepper motor or is separated;
On described the second power input shaft He on described the 3rd power input shaft, be fixedly connected with respectively a plurality of synchronizers, each synchronizer is furnished with two gear synchromesh gears, and is meshed with described gear synchromesh gear or separated;
All described gear synchromesh gears and described output shaft carry out gear engagement; Output shaft is provided with the synchromesh gear for meshing.
Described output shaft is connected with differential mechanism by main drive gear; Differential mechanism is connected with flange shaft;
Described first clutch flywheel drives described second clutch, the 3rd clutch by the first power input shaft;
The inside of described the second power input shaft is set with described the first power input shaft.
In speed changer, stepper motor is realized the combination of clutch and separated gearbox, speed change reaction is fast, on the second power input shaft or the 3rd power input shaft, be fixedly connected with respectively synchronizer, synchronizer is furnished with gear synchromesh gear, and be meshed with gear synchromesh gear or separated, can be by transmission of power to gear synchromesh gear when engagement, therefore during whole gear shift, can guarantee to have at any time one group of synchromesh gear at outputting power, make power there is no the phenomenon of being interrupted, also because adopting the combination of step motor control clutch with separated, allow clutch there will not be shifting shock in best bonding state, damage car, phenomenons such as making vehicle shake is short of power.Such as: a fixing synchronizer of the second power input shaft meshes after a certain side gear synchromesh gear, when the second power input shaft is connected with first clutch, produces a gear; When the second power input shaft is connected with second clutch, produce another gear, therefore, a synchronizer of the second power input shaft meshes by the gear synchromesh gear with both sides, can realize the variation of 4 shelves; Again such as a fixing synchronizer of: the 3rd power input shaft meshes after a certain side gear synchromesh gear, when the 3rd power input shaft is connected with Third Road clutch, produce a gear, after this synchronizer and the engagement of opposite side gear synchromesh gear, produce another gear.As fully visible, this clutch improves the convenience of gear shift, operates comparatively simple.
Next, will describe this speed changer in detail by some specific embodiments, as shown in Figure 1, 2:
This speed changer comprises: the 3rd clutch C of the first clutch A of dry type, the second clutch B of multidisc, multidisc, the first power input shaft 4, the second power input shaft 7, the 3rd power input shaft 9, differential mechanism K, output shaft J, gearbox control unit 16, gearshift mechanism 45, engine controller 44;
First clutch A comprises and is arranged in parallel and fits or separated first clutch platen 1, clutch friction plate 2, coupling flywheel 3, and between three is adjacent, can fit also can be separated, and coupling flywheel 3 obtains power from motor; When three fits, clutch friction plate 2 obtains power from coupling flywheel 3.Coupling flywheel 3 is furnished with coupling flywheel speed probe (be also the first speed probe, be disposed at the first power input shaft) 40.Between first clutch platen 1 and stepper motor, be provided with release bearing 5.
Second clutch comprises sheet 11 and clutch outer plate 12 in clutch.The 3rd clutch configuration is identical with second clutch structure.
Comprise: the first power input shaft 4, the second power input shaft 7, the 3rd power input shaft 9; Wherein:
The first power input shaft 4 is sleeved in the second power input shaft 7; One end of the first power input shaft 4 is connected with the first clutch flywheel 3 of first clutch, with 3 interlocks of first clutch flywheel; Its other end is fixedly connected with output gear, output gear and the first power input shaft 4 interlocks.
One end of the second power input shaft 7 is fixedly connected with clutch friction plate 2, with clutch friction plate 2 interlocks, by controlling the first stepper motor, after the first stepper motor drives first clutch platen that the first clutch flywheel 3 of first clutch friction plate 2 and first clutch is fitted, be that first clutch A is connected with one end of the second pto＝power take-off J, also can by the two, be separated by the first stepper motor simultaneously; Clutch friction plate 2, first clutch flywheel 3, the second power input shaft 7 link.The other end combines with second clutch B or is separated, by controlling the second stepper motor, after second clutch B is combined with the second power input shaft 7, the second power input shaft 7 obtains power from second clutch B, also can by the two, be separated by the second stepper motor simultaneously.And the power of second clutch B comes from coupled second clutch input gear 14, second clutch input gear 14 and the 3rd clutch input gear 30 engagements, the 3rd clutch input gear 30 often meshes with above-mentioned the first power input shaft output gear 13, the 3rd clutch input gear 30 passes to second clutch input gear 14 after the power of the first power input shaft output gear 13 is changed to velocity ratio, second clutch input gear 14 obtains power, drives second clutch.The second power input shaft 7 is furnished with the second speed probe 42.
One end of the 3rd power input shaft 9 combines with the 3rd clutch C or separated (by the 3rd step motor control), and the 3rd power input shaft 9 obtains power from the 3rd clutch C.And the power of the 3rd clutch C comes from the 3rd coupled clutch input gear 30, the three clutch input gears 30 and often meshes with above-mentioned output gear, the 3rd clutch input gear 30 obtains power from output gear, drives the 3rd clutch.But, because the first power input shaft 4, the first power input shaft output gear 13, the 3rd clutch input gear 30 link, sense of rotation is different, in order to make the sense of rotation of the 3rd power input shaft 9 identical with the sense of rotation of the first power input shaft 4, between the 3rd clutch C and the 3rd clutch input gear 30, be provided with planetary gears (sense of rotation change assembly), this planetary gears plays the effect that changes dynamic rotation direction.This planetary gears sun gear 10 is connected with the 3rd clutch C, sun gear and planetary gears planet wheel 18, this planetary gears planet wheel comprises planetary gears gear ring 19, planetary gears planet wheel 18 is fixed on by planetary gears frame 17 on the housing 8 of three clutch gearboxes, and planetary gears planet wheel is meshed with the 3rd clutch input gear 30.The 3rd power input shaft 9 is furnished with the 3rd speed probe 41.Planetary gears is fixed on the housing of gearbox by fixed carrier.
In certain embodiments, in addition, the second power input shaft 7 is fixedly connected with respectively 3 synchronizers (the first synchronizer G, the second synchronizer D, the 3rd synchronizer H), the synchronous gear hub 29 of each synchronizer is fixedly connected with the second power input shaft 7, synchronizer comprises: synchronous slide tooth cover and synchronizing tooth ring 28, synchronous slide tooth cover 27 can slide, each synchronizer is furnished with two gear synchromesh gears (both sides of two gear synchromesh gear apportions and a synchronizer), when sliding, synchronous slide tooth cover 27 can combine with one of them gear synchromesh gear, synchronizer obtains power from the second power input shaft 7, power is passed to the gear synchromesh gear with its combination, the slip of synchronous slide tooth cover 27 is controlled by the supporting stepper motor of synchronizer, between synchronous gear hub 29 and synchronous slide tooth cover 27, is provided with synchronizing tooth ring.
In certain embodiments, the 3rd power input shaft 9 is fixedly connected with respectively 3 synchronizers (the 4th synchronizer E, the 5th synchronizer I, the 6th synchronizer F), wherein the 4th synchronizer E by sense of rotation change assembly (such as: rotation speed change planetary gear construction) is carried out gear with output shaft J and is connected, the sun gear of planetary gears is herein also the synchromesh gear that reverses gear simultaneously, and planetary gears planet wheel is meshed with a gear on output wheel.The 5th synchronizer, the 6th synchronizer are furnished with respectively a described gear synchromesh gear.The synchronous gear hub of synchronizer (the 4th synchronizer E, the 5th synchronizer I, the 6th synchronizer F) is fixedly connected with the 3rd power input shaft 9, the synchronous slide tooth cover of synchronizer can slide, each synchronizer is furnished with two gear synchromesh gears, when sliding, synchronous slide tooth cover can combine with one of them gear synchromesh gear, synchronizer, from the 3rd power input shaft 9 obtains power, is passed to the gear synchromesh gear with its combination by power; The slip of synchronous slide tooth cover is controlled by the 4th supporting stepper motor 15 of synchronizer, and each synchronizer is furnished with the 4th stepper motor 15 for synchronizer fork.
Mention output shaft J, be by one of the power output after transforming gear must be through assembly, on output shaft J, be fixed with a plurality of gears, these gears and above-mentioned gear synchromesh gear mesh one by one, driven, and then power is passed to output shaft J by gear synchromesh gear.Output shaft J is furnished with OSS 43.
Output shaft J drives differential mechanism K by main drive gear 39, and differential mechanism K drives flange shaft 37, and then drives car motion; Differential mechanism K is comprised of two groups of planetary gear set, wherein by differential spider pinion shaft 36, is fixed for one group, and another group is adpting flange axle respectively, thereby realize left and right, drives the rotational speed of flange shaft 37 poor.
Gearbox control unit 16 is connected with gearshift mechanism 45, engine controller 44, all the 4th stepper motors 15, the first stepper motor, the second stepper motor, the 3rd stepper motor, the second speed probe 42, the 3rd speed probe 41, first clutch Speed of Reaction Wheels sensor (the first speed probe) 40, OSS 43 respectively.Gearbox control unit 16 receives the shift command of gearshift mechanism 45, by data such as shift command receiving and analyzing driving states information, calculate stepper motor instruction, stepper motor instruction is sent to corresponding the first stepper motor or the second stepper motor or the 3rd stepper motor; Send instruction notifies corresponding synchronizer to carry out fork to some the 4th stepper motor 15, the four stepper motors 15 simultaneously.Gearbox control unit 16 is connected with engine controller 44 simultaneously, by the power of engine controller 44 control engines, exports.And gearbox control unit 16 receives the rotating speed of the second speed probe 42, the 3rd speed probe 41, first clutch Speed of Reaction Wheels sensor 40, and then comes the power of comprehensive adjustment three clutch gearboxes to export by rotating speed.
And this gearbox control unit receives the gear of gearshift mechanism, to the 4th stepper motor corresponding to this gear, send the corresponding synchronizer of this gear and the engagement of this gear respective notch synchromesh gear, and mesh with corresponding gear synchromesh gear to a upper gear of this gear and synchronizer corresponding to the next gear of this gear, form pre-hung gear.Specifically can be referring to hereinafter operating method and the power transmission process of each grade.
Below, then the relation of underdraw lower different gear and three clutches:
Gear by first clutch A transmission is given an example:
By controlling the stepper motor of first clutch A, can make first clutch A combine with the second power input shaft 7, when the stepper motor of the synchronizer being connected with the second power input shaft 7 combines synchronizer sliding sleeve gear with a certain gear synchromesh gear after, power transmits as follows: engine crankshaft-first clutch flywheel 3-clutch friction plate 2-the second power input shaft 7-synchronizer-gear synchromesh gear-output shaft J-main drive gear 39-differential spider pinion shaft 36-differential pinion gear 38-flange shaft 37;
Gear by second clutch B transmission is given an example:
By controlling the stepper motor of second clutch B, can make second clutch B combine with the second power input shaft 7, when the stepper motor of the synchronizer being connected with the second power input shaft 7 combines synchronizer sliding sleeve gear with a certain gear synchromesh gear after, power transmits as follows: engine crankshaft-first clutch flywheel 3-the first power input shaft 4-the first power input shaft output gear the 13-the three clutch input gear 30(changes velocity ratio)-second clutch input gear 14-second clutch B-the second power input shaft 7-synchronizer-gear synchromesh gear-output shaft J-main drive gear 39-differential spider pinion shaft 36-differential pinion gear 38-flange shaft 37,
Gear by the 3rd clutch C transmission is given an example:
By controlling the stepper motor of the 3rd clutch C, can make the 3rd clutch C combine with the 3rd power input shaft 9, when the stepper motor of the synchronizer being connected with the 3rd power input shaft 9 combines synchronizer sliding sleeve gear with a certain gear synchromesh gear after, power transmits as follows: engine crankshaft-first clutch flywheel 3-the first power input shaft 4-the first power input shaft output gear the 13-the three clutch input gear 30(changes velocity ratio)-planetary gears (change power direction)-the 3rd clutch C-three power input shaft 9-synchronizer-gear synchromesh gear-output shaft J-main drive gear 39-differential spider pinion shaft 36-differential pinion gear 38-flange shaft 37.
With gear, give an example, in 18 grades of (1 reverse gear of 17 forward gears) gearboxes:
On the second power input shaft 7, connect the first synchronizer G, the second synchronizer D, the 3rd synchronizer H, wherein, the first synchronizer G both sides be furnished with 12 grades of gear synchromesh gears 20,45 grades of gear synchromesh gears 22; The second synchronizer D both sides be furnished with 78 grades of gear synchromesh gears 23,10 11 grades of gear synchromesh gears 24; The 3rd synchronizer H both sides be furnished with 13 14 grades of gear synchromesh gears 25,16 17 grades of gear synchromesh gears 26.Two shelves that share a gear synchromesh gear are driven by first clutch A or second clutch B respectively.
On the 3rd power input shaft 9, connect the 4th synchronizer E, the 5th synchronizer I, the 6th synchronizer F, wherein the both sides of the 4th synchronizer E are furnished with 3 grades of gear synchromesh gears 35 and reverse gear synchromesh gear 21, the both sides of the 5th synchronizer I are furnished with the both sides of 6 grades of gear synchromesh gears 34 and 9 grades of gear synchromesh gear 33, the six synchronizer F and are furnished with 12 grades of gear synchromesh gears 32 and 15 grades of gear synchromesh gears 31.
That is: 12 grades of gear synchromesh gears, 45 grades of gear synchromesh gears share the first synchronizer G, (1 grade, 2 grades, 4 grades, 5 grades shared the first synchronizer G of gear synchromesh gears); Reverse gear (R) gear synchromesh gear, 3 grades of gear synchromesh gears share the 4th synchronizer E; 78 grades of gear synchromesh gears, 10 11 grades of gear synchromesh gears share the second synchronizer D, (7 grades, 8 grades, 10 grades, 11 grades shared the second synchronizer D of gear synchromesh gears); 6 grades of gear synchromesh gears, 9 grades of gear synchromesh gears share the 5th synchronizer I; 12 grades of gear synchromesh gears, 15 grades of gear synchromesh gears share the 6th synchronizer F; 13 14 grades of gear synchromesh gears, 16 17 grades of gear synchromesh gears share the 3rd synchronizer H, (13 grades, 14 grades, 16 grades, the 17 grades shared synchronizers of gear synchromesh gears).Share 6 synchronizers, but the combination by changing clutch and the separated operation that can realize 18 different gears, fourth gear shares a synchronizer and belongs to gearbox new technology, also be in this gearbox bright spot, so not only can save space, comfort level in the gear shift of raising vehicle, can also save material and manufacture cost.
During Gearbox design, each gear all has two pre-hung gears, and R shelves pre-hung gear when work is D1, D2, and D1 shelves pre-hung gear when work is R, D1; D2, D4, D5, D7, D8, D10, D11, D13, D14, D16, D17 pre-hung gear when work is high tap position of a low-grade location, so conveniently at vehicle, exercises because of exercising condition downshift or add to upgrade.But because gearbox designs institute to D3, D6, D9, D12, D15 pre-hung gear when working is two high tap positions, even if adjust like this transmission of D3, D6, D9, D12, D15 when design, recently improve, can not affect equally the travelling comfort of vehicle.The pre-engage a gear of this gearbox pre-hung gear this gearbox for DSG and other pair of clutch gearbox also belongs to new theory and bright spot.It should be noted that, 1 grade referred to as D1, and other gears are identical.
The operating method of each grade and transmission of power, as Fig. 1, shown in 2:
Neutral gear transmission of power:
First clutch A is in free state separated state, and clutch friction plate 2 and coupling flywheel 3, first clutch platen 1 are separated, so power cannot pass to differential mechanism K, output that gearbox is unpowered.
Second clutch B, the 3rd clutch C are in free state separated state, motor is given the first power input shaft 4 by first clutch flywheel 3 by transmission of power, the first power input shaft 4 by after gear mechanism by transmission of power to second clutch B and the 3rd clutch C, therefore power cannot pass to differential mechanism K, output that gearbox is unpowered.
When gearbox control unit recognizes gearshift mechanism gear immigration neutral position, the second synchronizer D meshes by synchronizer sliding sleeve gear with the synchromesh gear 21 that reverses gear; The first synchronizer G and 12 grades of gear synchromesh gears 20 by synchronizer sliding sleeve gear, mesh, pre-hung enter to reverse gear with 12 grades be convenient to vehicle and advance or fall back.
Owing to passing through epicyclic train, fixed carrier changes sense of rotation, and therefore the 3rd clutch sense of rotation is identical with first clutch flywheel sense of rotation
R--reverse gear transmission of power:
When gearbox control unit recognizes gearshift mechanism gear immigration R gear, the stepper motor 6 of gearbox control unit control the 3rd clutch C moves and makes the 3rd clutch C combination, the synchronous gear hub that power passes to the second synchronizer D from the 3rd clutch C passes to output shaft J by synchronizer sliding sleeve gear to the synchromesh gear 21 planetary gears sun gears that reverse gear and forms and reverse gear to differential mechanism K after a planetary gears fixed carrier changes power direction, the first synchronizer G and 12 grades of gear synchromesh gears 20 by synchronizer sliding sleeve gear, mesh, now pre-hung gear have D1 therefore 2 be convenient to the vehicle starting of advancing after reversing.
The D1--one grade of transmission of power of advancing:
When gearbox control unit recognizes gearshift mechanism gear immigration D gear, the stepper motor 6 that gearbox control unit is controlled second clutch B moves and makes second clutch B combination, power passes to the first synchronizer G synchronous gear hub from second clutch B by synchronizer sliding sleeve gear to 12 grades of gear synchromesh gears 20 transmission of power is formed to the D1 gear that advances to output shaft J to differential mechanism K.Now pre-hung gear has reverse gear R and D2 shelves to be therefore convenient to vehicle backing or to advance middle gear shift.
When stopping starting, sometimes because needs repeatedly advance, retreat and do not stop converting gear, and normal starting will directly upgrade after exercising, and such design can be reduced to 0 by shift time, therefore can improve vehicle performance, travelling comfort, Economy.
The D2--second gear transmission of power of advancing:
When gearbox control unit calculates need to hang into D2 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control first clutch A moves and makes first clutch A combination, the sliding gear collar to 1 of power passes to the first synchronizer G synchronous gear hub from first clutch A by the first synchronizer 2 grades of gear synchromesh gears 20 transmission of power is formed to the D2 gear that advances to output shaft J to differential mechanism K, the synchronizer sliding sleeve gear of the second synchronizer D exits with engagement and 3 grades of gear synchromesh gears 35 of the synchromesh gear 21 that reverses gear and meshes simultaneously, enter the pre-hung of D3 shelves and enter state, now pre-hung gear has D1 shelves, D3 shelves, therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade.
The D3--third gear transmission of power of advancing:
When gearbox control unit calculates need to hang into D3 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control the 3rd clutch C moves and makes the 3rd clutch C combination, power passes to the second synchronizer D synchronous gear hub from the 3rd clutch C forms to differential mechanism K the D3 gear that advances to output shaft J by transmission of power by sliding gear collar to the 3 grade gear synchromesh gear 35 of the second synchronizer, simultaneously the synchronizer sliding sleeve gear of the first synchronizer G exit with 12 grades of gear synchromesh gears 20 engagement with 45 grades of gear synchromesh gears 22 mesh, enter 45 grades of pre-hungs enter state, therefore be convenient to vehicle in enforcement because exercising condition upgrades.
The D4--fourth gear transmission of power of advancing:
When gearbox control unit calculates need to hang into D4 shelves time according to the data such as driving states information collected, the stepper motor 6 that gearbox control unit is controlled second clutch B moves and makes second clutch B combination, the sliding gear collar to 4 of power passes to the first synchronizer G synchronous gear hub from second clutch B by the first synchronizer 5 grades of gear synchromesh gears 22 transmission of power is formed to the D4 gear that advances to output shaft J to differential mechanism K.Now the synchronizer sliding sleeve gear of the second synchronizer D and 3 grades of gear synchromesh gears 35 still mesh, and pre-hung gear is D3 shelves, D5 shelves.Therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade
The D5--five grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D5 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control first clutch A moves and makes first clutch A combination, the sliding gear collar to 4 of power passes to the first synchronizer G synchronous gear hub from first clutch A by the first synchronizer 5 grades of gear synchromesh gears 22 transmission of power is formed to the D5 gear that advances to output shaft J to differential mechanism K, the synchronizer sliding sleeve gear of while the second synchronizer D exits the engagement with 3 grades of gear synchromesh gears 35, the synchronizer sliding sleeve gear of the 4th synchronizer E and 6 grades of gear synchromesh gear engagements, enter 6 grades of pre-hungs and enter state, now pre-hung gear has D4 and D6.Therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade.
The D6--six grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D6 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control the 3rd clutch C moves and makes the 3rd clutch C combination, power passes to the 4th synchronizer E synchronous gear hub from the 3rd clutch C forms to differential mechanism K the D6 gear that advances to output shaft J by transmission of power by sliding gear collar to the 6 grade gear synchromesh gear 34 of the 4th synchronizer, simultaneously the synchronizer sliding sleeve gear of the first synchronizer G exit with 4 the engagement of 5 grades of gear synchromesh gears 22, the synchronizer slide teeth of the 3rd synchronizer H and 7 the engagement of 8 grades of gear synchromesh gears, enter 78 grades of pre-hungs enter state, therefore be convenient to vehicle in enforcement because exercising condition upgrades.
The D7--seven grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D7 shelves time according to the data such as driving states information collected, the stepper motor 6 that gearbox control unit is controlled second clutch B moves and makes second clutch B combination, the sliding gear collar to 7 of power passes to the 3rd synchronizer H synchronous gear hub from second clutch B by the 3rd synchronizer 8 grades of gear synchromesh gears 23 transmission of power is formed to the D7 gear that advances to output shaft J to differential mechanism K.Now the synchronizer sliding sleeve gear of the 4th synchronizer E and 6 grades of gear synchromesh gears 34 still mesh, and pre-hung gear is D6 shelves, D8 shelves.Therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade
The D8--eight grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D8 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control first clutch A moves and makes first clutch A combination, the sliding gear collar to 7 of power passes to the 3rd synchronizer H synchronous gear hub from first clutch A by the 3rd synchronizer 8 grades of gear synchromesh gears 23 transmission of power is formed to the D8 gear that advances to output shaft J to differential mechanism K, the synchronizer sliding sleeve gear of the 4th synchronizer E exits with engagement and 9 grades of gear synchromesh gears 33 of 6 grades of gear synchromesh gears 34 and meshes simultaneously, pre-hung gear is D7 shelves, D9 shelves.Therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade
The D9--nine grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D9 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control the 3rd clutch C moves and makes the 3rd clutch C combination, power passes to the 4th synchronizer E synchronous gear hub from the 3rd clutch C forms to differential mechanism K the D9 gear that advances to output shaft J by transmission of power by sliding gear collar to the 9 grade gear synchromesh gear 33 of the 4th synchronizer, simultaneously the synchronizer sliding sleeve gear of the 3rd synchronizer H exit with 78 grades of gear synchromesh gears 23 engagement with 10 11 grades of gear synchromesh gears 24 mesh, enter 10 11 grades of pre-hungs enter state, therefore be convenient to vehicle in enforcement because exercising condition upgrades.
The D10--ten grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D10 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control second clutch B moves and makes second clutch B combination, the sliding gear collar to 10 of power passes to the 3rd synchronizer H synchronous gear hub from second clutch B by the 3rd synchronizer 11 grades of gear synchromesh gears 24 transmission of power is formed to the D10 gear that advances to output shaft J to differential mechanism K, now the synchronizer sliding sleeve gear of the 4th synchronizer E and 9 grades of gear synchromesh gears 33 still mesh, pre-hung gear is D9 shelves, D11 shelves.Therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade
The D11--11 grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D11 shelves time according to the data such as driving states information collected, the stepper motor 6 that gearbox control unit is controlled first clutch A moves and makes first clutch A combination, the sliding gear collar to 10 of power passes to the 3rd synchronizer H synchronous gear hub from first clutch A by the 3rd synchronizer 11 grades of gear synchromesh gears 24 transmission of power is formed to the D11 gear that advances to output shaft J to differential mechanism K.So " 11 grades of gearboxes prevent power loss for the sliding gear collar of high tap position the 4th synchronizer E exits with the engagement of 9 grades of gear synchromesh gears 33 when entering 11 gear, and pre-hung gear is D10 shelves; 17 grades of gearboxes enter 11 gears simultaneously the synchronizer sliding sleeve gear of the 4th synchronizer E exit the engagement with 9 grades of gear synchromesh gears 23, the synchronizer sliding sleeve gear of the 6th synchronizer F and 12 grades of gear synchromesh gear 32 engagements, enter 12 grades of pre-hungs and enter state, now pre-hung gear is D10 shelves, D12 shelves.Therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade.”
The D12--ten second gear transmission of power of advancing:
When gearbox control unit calculates need to hang into D12 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control the 3rd clutch C moves and makes the 3rd clutch C combination, power passes to the 6th synchronizer F synchronous gear hub from the 3rd clutch C forms to differential mechanism K the D12 gear that advances to output shaft J by transmission of power by sliding gear collar to the 12 grade gear synchromesh gear 32 of the 6th synchronizer, simultaneously the synchronizer sliding sleeve gear of the 3rd synchronizer H exit with 10 the engagement of 11 grades of gear synchromesh gears 24, the synchronizer slide teeth of the 5th synchronizer I and 13 the engagement of 14 grades of gear synchromesh gears, enter 13 14 grades of pre-hungs enter state, therefore be convenient to vehicle in enforcement because exercising condition upgrades.
The D13--ten third gear transmission of power of advancing:
When gearbox control unit calculates need to hang into D13 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control second clutch B moves and makes second clutch B combination, the sliding gear collar to 13 of power passes to the 5th synchronizer I synchronous gear hub from second clutch B by the 5th synchronizer 14 grades of gear synchromesh gears 25 transmission of power is formed to the D13 gear that advances to output shaft J to differential mechanism K, now the synchronizer sliding sleeve gear of the 6th synchronizer F and 12 grades of gear synchromesh gears 32 still mesh, pre-hung gear is D12 shelves, D14 shelves.Therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade
The D14--ten fourth gear transmission of power of advancing:
When gearbox control unit calculates need to hang into D14 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control first clutch A moves and makes first clutch A combination, the sliding gear collar to 13 of power passes to the 5th synchronizer I synchronous gear hub from first clutch A by the 5th synchronizer 14 grades of gear synchromesh gears 25 transmission of power is formed to the D14 gear that advances to output shaft J to differential mechanism K, the synchronizer sliding sleeve gear of the 6th synchronizer F exits with engagement and 15 grades of gear synchromesh gears 31 of 12 grades of gear synchromesh gears 32 and meshes simultaneously, enter 15 grades of pre-hungs and enter state, now pre-hung gear is D13 shelves, D15 shelves.Therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade
The D15--15 grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D15 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control the 3rd clutch C moves and makes the 3rd clutch C combination, power passes to the 6th synchronizer F synchronous gear hub from the 3rd clutch C forms to differential mechanism K the D15 gear that advances to output shaft J by transmission of power by sliding gear collar to the 15 grade gear synchromesh gear 31 of the 6th synchronizer, simultaneously the synchronizer sliding sleeve gear of the 5th synchronizer I exit with 13 14 grades of gear synchromesh gears 25 engagement with 16 17 grades of gear synchromesh gears 26 mesh, enter 16 17 grades of pre-hungs enter state, therefore be convenient to vehicle in enforcement because exercising condition upgrades.
The D16--16 grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D16 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control second clutch B moves and makes second clutch B combination, the sliding gear collar to 16 of power passes to the 5th synchronizer I synchronous gear hub from second clutch B by the 5th synchronizer 17 grades of gear synchromesh gears 26 transmission of power is formed to the D16 gear that advances to output shaft J to differential mechanism K, now the synchronizer sliding sleeve gear of the 6th synchronizer F and 15 grades of gear synchromesh gears 31 still mesh, pre-hung gear is D15 shelves, D17 shelves.Therefore be convenient to vehicle in enforcement because of exercising condition downshift or upgrade
The D17--17 grades of transmission of power of advancing:
When gearbox control unit calculates need to hang into D17 shelves time according to the data such as driving states information collected, the stepper motor 6 of gearbox control unit control first clutch A moves and makes first clutch A combination, the sliding gear collar to 16 of power passes to the 5th synchronizer I synchronous gear hub from first clutch A by the 5th synchronizer 17 grades of gear synchromesh gears 26 transmission of power is formed to the D17 gear that advances to output shaft J to differential mechanism K, so now prevent power loss for the sliding gear collar of high tap position the 6th synchronizer F exits with the engagement of 15 grades of gear synchromesh gears 31, pre-hung gear is D16 shelves.Therefore be convenient to vehicle in enforcement because of exercising condition downshift.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a speed changer, is characterized in that, comprising: the 3rd clutch of the first clutch of dry type, the second clutch of multidisc, multidisc, the first power input shaft, the second power input shaft, the 3rd power input shaft, output shaft, differential mechanism;
Described first clutch is connected with one end of described the second power input shaft by the first stepper motor or is separated;
Described second clutch is connected with the other end of described the second power input shaft by the second stepper motor or is separated;
Described the 3rd clutch is connected with one end of described the 3rd power input shaft by the 3rd stepper motor or is separated;
On described the second power input shaft He on described the 3rd power input shaft, be fixedly connected with respectively a plurality of synchronizers, each synchronizer is furnished with two gear synchromesh gears, and is meshed with described gear synchromesh gear or separated;
All described gear synchromesh gears and described output shaft carry out gear engagement;
Described output shaft is connected with differential mechanism by main drive gear; Differential mechanism is connected with flange shaft;
First clutch flywheel drives described second clutch, the 3rd clutch by the first power input shaft;
The inside of described the second power input shaft is set with described the first power input shaft.
2. speed changer according to claim 1, is characterized in that,
The clutch friction plate of described first clutch is fixedly connected with one end of described the second power input shaft;
Described the first stepper motor drives first clutch platen that the coupling flywheel of described clutch friction plate and described first clutch is fitted.
3. speed changer according to claim 2, is characterized in that,
One end of described the first power input shaft is connected with the coupling flywheel of described first clutch; The other end is fixedly connected with output gear, described output gear and the engagement of the 3rd clutch input gear, described the 3rd clutch input gear and the engagement of second clutch input gear; Described second clutch input gear drives described second clutch.
4. speed changer according to claim 3, is characterized in that,
Described the 3rd clutch input gear changes the 3rd clutch described in Component driver by sense of rotation, and described sense of rotation changes the planetary gears that assembly is fixed carrier.
5. speed changer according to claim 2, is characterized in that, described output shaft is provided with respectively the synchromesh gear with the normal engagement of described gear synchromesh gear.
6. speed changer according to claim 1, is characterized in that, described the first power input shaft is furnished with the first speed probe; Described the second power input shaft is furnished with the second speed probe; Described the 3rd power input shaft is furnished with the 3rd speed probe.
7. according to the speed changer described in claim 1-6 any one, it is characterized in that, on described the second power input shaft, be fixedly connected with 3 synchronizers, the two ends of each synchronizer are furnished with respectively a described gear synchromesh gear.
8. speed changer according to claim 7, is characterized in that,
On described the 3rd power input shaft, be fixedly connected with 3 synchronizers, one of them synchronizer changes assembly by sense of rotation and is connected with described output shaft gear, described sense of rotation changes the planetary gears that assembly is fixed carrier, and the two ends of another two synchronizers are furnished with respectively a described gear synchromesh gear.
9. speed changer according to claim 8, is characterized in that,
Described in each, synchronizer is furnished with the 4th stepper motor for described synchronizer fork.
10. speed changer according to claim 9, is characterized in that, also comprises: gearbox control unit, gearshift mechanism, engine controller;
Described the first power input shaft is furnished with the first speed probe; Described the second power input shaft is furnished with the second speed probe; Described the 3rd power input shaft is furnished with the 3rd speed probe, and described output shaft is furnished with OSS;
Described gearbox control unit is connected with described gearshift mechanism, described engine controller, all described the 4th stepper motors, described the first stepper motor, described the second stepper motor, described the 3rd stepper motor, described the first speed probe, described the second speed probe, described the 3rd speed probe, described OSS respectively;
Described gearbox control unit receives the gear of gearshift mechanism, described the 4th stepper motor corresponding to described gear sent to the corresponding synchronizer of described gear and the engagement of described gear respective notch synchromesh gear, and mesh with corresponding gear synchromesh gear to a upper gear of described gear and synchronizer corresponding to the next gear of described gear, form pre-hung gear;
Described gear comprises 1-11 forward gear, reverse gear, or described gear comprises 1-17 forward gear, reverse gear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310490312.0A CN103527726B (en) | 2013-10-14 | 2013-10-14 | Speed changer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310490312.0A CN103527726B (en) | 2013-10-14 | 2013-10-14 | Speed changer |
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| CN103527726B CN103527726B (en) | 2016-02-24 |
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| US9566978B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Vehicle and drive control method for the same |
| US9568066B2 (en) | 2014-09-10 | 2017-02-14 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| CN106949165A (en) * | 2017-04-17 | 2017-07-14 | 滁州悦达实业有限公司 | A kind of transmission gear clutch structure and speed changer |
| US9874266B2 (en) | 2014-09-10 | 2018-01-23 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| US9919699B2 (en) | 2014-01-30 | 2018-03-20 | Byd Company Limited | Vehicle and method for controlling synchronizer of the same |
| US9944165B2 (en) | 2014-01-30 | 2018-04-17 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
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| CN103527726B (en) | 2016-02-24 |
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