CN108317225A - Double disengaging type automatic transmission transmission mechanisms - Google Patents
Double disengaging type automatic transmission transmission mechanisms Download PDFInfo
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- CN108317225A CN108317225A CN201810247040.4A CN201810247040A CN108317225A CN 108317225 A CN108317225 A CN 108317225A CN 201810247040 A CN201810247040 A CN 201810247040A CN 108317225 A CN108317225 A CN 108317225A
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- driven
- gears
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 title claims abstract description 46
- 210000000515 tooth Anatomy 0.000 description 31
- 206010006514 bruxism Diseases 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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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
- F16H3/087—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 characterised by the disposition of the gears
- F16H3/093—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 characterised by the disposition of the gears with two or more countershafts
-
- 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
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H3/087—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 characterised by the disposition of the gears
- F16H3/093—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 characterised by the disposition of the gears with two or more countershafts
- F16H2003/0935—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 characterised by the disposition of the gears with two or more countershafts with multiple countershafts comprising only one idle gear and one gear fixed to the countershaft
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0056—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising seven forward speeds
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
Abstract
The present invention relates to a kind of double disengaging type automatic transmission transmission mechanisms, including pass through bearing bearing and input shaft disposed in parallel, the first countershaft, the second countershaft, jackshaft, reverse gear shaft, idler shaft respectively.Five gear driving gears, three gear driving gears, a gear driving gear are set on first countershaft respectively；Four gear driving gears, two gear driving gear, reverse gear are set on second countershaft；The first driven gear, the second driven gear, third driven gear are fixedly installed on jackshaft；On reverse gear shaft fixed setting reverse gear driving gear, reverse gear driven gear；First driven gear is engaged with five gear driving gears, four gear driving gears, output idle pulley simultaneously, and the second driven gear is engaged with three gear driving gear, two gear driving gears, the driving gear that reverses gear simultaneously.Power transmits output from the input shaft gear input on input shaft by the output idle pulley on idler shaft.Meshed gears number is few simultaneously for the transmission mechanism, and the NVH performances of speed changer are good, and structure arranges.
Description
Technical field
The present invention relates to a kind of automotive transmission, more particularly to a kind of double disengaging type automatic transmission transmission mechanisms.
Background technology
Double disengaging type automatic transmission are one kind of automatic gearbox, not only inherit many excellent of manual transmission
Point also solves the existing cut-out power shifting problem of electric control mechanical type automatic speed variator, the dynamic property and gear shifting characteristic of automobile
It is good, while oil consumption and discharge are also reduced, the economy of automobile might as well.The patent that notification number is CN 101737462A at present is public
A kind of double-clutch transmission mechanism of cloth, as shown in figure 3, three gear driving gears 10 in mechanism on the first countershaft 7, second is secondary
Two gear driving gear 16 on axis 13 and two or three on jackshaft 1 driven gear 21 that reverses gear engage, and the driving gear 17 that reverses gear passes through
Reverse gear carrier gear 23 and two or three on jackshaft 1 on bridge shaft 24 driven gear 21 that reverses gear engage, and it is total to form five gears
The profile modifying parameters of same meshing phenomena, five total grinding tooth wheels are difficult to ensure two gears, three gears, the NVH to reverse gear under each operating mode（Noise、
The english abbreviation of Vibration, Harshness, i.e. noise, vibration and sound vibration roughness）, lead to speed changer NVH poor performances, and
Noise, vibration and sound vibration roughness are a global questions for weighing automobile making quality, and the NVH problems of vehicle are international vapour
One of the problem of major vehicle manufacturing enterprises of Che Yezhong and parts enterprises are paid close attention to.There is statistics to show, there are about 1/3 for vehicle
Failure problems are that have relationship with the NVH problems of vehicle, and each major company has nearly 20% R ＆ D Cost consumption solving vehicle
In NVH problems.And four gear driving gears 14 will also directly be connected with the gear of differential mechanism simultaneously as output gear, transmit dynamic
When power, except four gears are outer, a gear, two gears, three gears, five gears, the power that reverses gear are both needed to four or the five gear driven gears 20 by jackshaft
Four gear driving gears 14 are transmitted to, then are transmitted on the gear of differential mechanism by four gear driving gears 14, four gears can be caused in this way
The abrasion of the bearing support of driving gear 14 and the second countershaft 13 is accelerated, the bearing support of four gear driving gears 14 and the second countershaft 13
Reduced service life.Simultaneously because reverse gear 17 is arranged in the centre position of the second countershaft 13, since reverse gear 17 is the
Larger torque is born in the centre position of two countershafts 13, and the bending deformation quantity of the second countershaft 13 is big when can cause to reverse gear, serious shadow
The power to reverse gear is rung to transmit.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of double disengaging type automatic transmission transmission mechanisms,
Meshed gears number is few simultaneously for the transmission mechanism, and the design of grinding tooth wheel set altogether is easier to, and the profile modifying parameters of gear easily ensure two
Gear, three gears, the NVH performances reversed gear under each operating mode, the NVH performances of speed changer are good.While the structure of mechanism arranges, rigidity
The bending deformation quantity of height, axis is small.
The technical scheme is that：A kind of double disengaging type automatic transmission transmission mechanisms, including pass through bearing branch respectively
It holds and input shaft disposed in parallel, the first countershaft, the second countershaft, jackshaft, the input shaft passes through an input shaft gear and
The driven disc of one clutch gear, the engagement of second clutch gear, the first countershaft left end and first clutch is circumferentially fixed
Connection, the second countershaft left end and the circumferentially fixed connection of second clutch driven disc, it is characterised in that：
The first synchronizer, the second synchronizer, five gear driving gears, three gear driving gear empty sets are respectively set on first countershaft
On the first countershaft, the first synchronizer both sides are located at, a gear driving gear empty set is located at second and synchronizes on the first countershaft
Between device and bearing support；
Third synchronizer, the 4th synchronizer, four gear driving gears, two gear driving gear empty set are respectively set on second countershaft
On the second countershaft, be located at third synchronizer both sides, reverse gear empty set on the second countershaft, be located at the 4th synchronizer with
Between bearing support；
The first driven gear, the second driven gear, third driven gear, first driven tooth are fixedly installed on the jackshaft
It takes turns and is engaged simultaneously with five gear driving gears, four gear driving gears, second driven gear keeps off driving gears, two gears with three simultaneously
Driving gear engages, and the third driven gear is engaged with a gear driving gear；
One reverse gear shaft for being parallel to jackshaft is equipped with to reverse gear and driving gear and reverse gear driven gear, it is described reverse gear driving gear with
Second driven gear engages, and the driven gear that reverses gear is engaged with reverse gear；
One is parallel to setting output idle pulley, the output idle pulley on the idler shaft of jackshaft engages with the first driven gear, and one is poor
The differential mechanism input gear being arranged on fast device is engaged with output idle pulley.
The 4th driven gear is fixedly installed on the jackshaft, the 4th driven gear is located at the second driven gear and the
Between three driven gears, second countershaft overhead set setting, six gear driving gear, it is same that the six gears driving gear is located at the 4th
It is engaged with the 4th driven gear between step device and two gear driving gear.
The 4th driven gear is fixedly installed on the jackshaft, the 4th driven gear is located at the second driven gear and the
Between three driven gears, first countershaft overhead set setting, seven gear driving gear, it is same that the seven gears driving gear is located at second
It is engaged with the 4th driven gear between step device and three gear driving gears.
One gear driving gear, three gear driving gears, four gear driving gears, five gear driving gears, reverses gear at two gear driving gear
Gear and six gear driving gears, seven gear driving gears are duplicate gear, and the soldered tooth of these duplicate gears is positioned at respectively right
The tooth set of the synchronizer side answered, synchronizer forms power transmission by axial movement with indented joint is engaged.
Using above-mentioned technical proposal：A kind of double disengaging type automatic transmission transmission mechanisms, including supported respectively by bearing
And input shaft disposed in parallel, the first countershaft, the second countershaft, jackshaft, the input shaft pass through an input shaft gear and first
Clutch gear, the engagement of second clutch gear, the circumferentially fixed company of driven disc of the first countershaft left end and first clutch
It connects, the second countershaft left end and the circumferentially fixed connection of second clutch driven disc.The power of engine passes to input shaft, Gu
Power is transmitted to first clutch gear, second clutch gear by the input shaft gear being scheduled on input shaft again, passes through clutch
The clutch for clutch control of device realizes the rotation of the first countershaft or the second countershaft.
The first synchronizer, the second synchronizer, five gear driving gears, three gear driving gears are respectively set on first countershaft
Empty set is located at the first synchronizer both sides on the first countershaft, and a gear driving gear empty set is located at second on the first countershaft
Between synchronizer and bearing support；Third synchronizer, the 4th synchronizer, four gear driving tooths are respectively set on second countershaft
Wheel, two gear driving gear empty set are located at third synchronizer both sides, reverse gear empty set is in the second countershaft on the second countershaft
On, between the 4th synchronizer and bearing support.So that reverse gear is abutted the right end bearing of the second countershaft in this way, can reduce down
The influence caused by the second countershaft when gear transmits larger torque is kept off, the rigidity of the second countershaft is kept, the second countershaft is avoided to be bent
Deformation, not only well, the service life of the bearing support of the second countershaft left and right ends also accordingly improves for the transmission of power.
Be fixedly installed the first driven gear, the second driven gear, third driven gear on the jackshaft, described first from
Moving gear simultaneously with five gear driving gears, four gear driving gears engage, second driven gear simultaneously with three keep off driving gears,
Two gear driving gear engages, and the third driven gear is engaged with a gear driving gear；One is parallel on the reverse gear shaft of jackshaft
Driving gear and reverse gear driven gear equipped with reversing gear, the driving gear that reverses gear is engaged with the second driven gear, it is described reverse gear from
Moving gear is engaged with reverse gear.Second driven gear simultaneously with three gear driving gear, two gear driving gears, reverse gear driving gear
Engagement, the gear nibbled altogether only there are four, when design, need to only consider two gear driving gear, three gear driving gears and the second driven gear
Transmission ratio matching, the design of grinding tooth wheel set altogether is easier to.Simultaneously as nibbling altogether, number of gears is few, and two gear driving gear, three keep off
Driving gear, reverse gear profile modifying parameters be easier to ensure that two gear driving gear, three gear driving gears, each operating mode of reverse gear
Under NVH performances, speed changer NVH performances are good.Reverse gear and the driven gear that reverses gear engage to form a transmission ratio, reverse gear actively
Gear engages to form a transmission ratio with the second driven gear, and back gear ratio, back gear ratio is collectively formed in two transmission ratios
Design be easier to.The centre-to-centre spacing of the centre-to-centre spacing of the second countershaft and reverse gear shaft, reverse gear shaft and jackshaft can fit according to demand simultaneously
Work as increase, the design space of reverse gear is also big, can accordingly enhance the bearing capacity of reverse gear.
One is parallel to setting output idle pulley, the output idle pulley on the idler shaft of jackshaft engages with the first driven gear,
The differential mechanism input gear being arranged on one differential mechanism is engaged with output idle pulley.Using output idle pulley and the first driven gear, differential
Device input gear engages, and a gear, two gears, three gears, four gears, five gears, the power that reverses gear are transmitted and transmitted by the first driven gear
It is transferred power on differential mechanism input gear to output idle pulley, then by exporting idle pulley, does not interfere with second countershaft or so bearing
The service life of bearing.The centre-to-centre spacing of the centre-to-centre spacing of idler shaft and jackshaft, idler shaft and differential mechanism can fit according to demand simultaneously
Work as increase, the design space of mechanism is big, and not only structure arranges, and the rigidity of axis also can be improved accordingly.
The 4th driven gear is fixedly installed on the jackshaft, the 4th driven gear is located at the second driven gear and the
Between three driven gears.Second countershaft overhead set setting, six gear driving gear, it is same that the six gears driving gear is located at the 4th
It is engaged with the 4th driven gear between step device and two gear driving gear, first countershaft overhead set setting, seven gear driving gear,
The seven gears driving gear is located between the second synchronizer and three gear driving gears to be engaged with the 4th driven gear.Six gears, seven gears
Power be all to be transferred to the 4th driven gear, then output idle pulley is transferred to by the first driven gear.The gear of automobile is more, each
The gear ratio difference of gear is small, is conducive to gear shift operation, and shift is smooth.
One gear driving gear, three gear driving gears, four gear driving gears, five gear driving gears, reverses gear at two gear driving gear
Gear and six gear driving gears, seven gear driving gears are duplicate gear, and the soldered tooth of these duplicate gears is positioned at respectively right
The tooth set of the synchronizer side answered, synchronizer forms power transmission by axial movement with indented joint is engaged.When shift, clutch
The engagement indented joint of the tooth set and the driving gear of corresponding gear of i.e. removable synchronizer after power transmits is interrupted, then restores clutch
The power of device transmits the transmission of power after can realizing shift.
The invention will be further described with specific embodiment with reference to the accompanying drawings of the specification.
Description of the drawings
Fig. 1 is a kind of example structure schematic diagram of the present invention；
Fig. 2 is another example structure schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of the prior art.
In attached drawing, 1 is input shaft left bearing, and 2 be input shaft, and 3 be input shaft gear, and 4 be input shaft right bearing, and 5 be the
One countershaft, 6 be first clutch, and 7 be first clutch gear, and 8 be the first countershaft left bearing, and 9 be five gear driving gears, and 10 are
First synchronizer, 101 be the first synchronizer gear sleeve, and 102 be five gear soldered tooths, and 103 be three gear soldered tooths, and 11 be three gear gears,
12 be the second synchronizer, and 121 be the second synchronizer gear sleeve, and 122 be a gear soldered tooth, and 123 be seven gear soldered tooths, and 13 be a gear tooth
Wheel, 14 be the first countershaft right bearing, and 15 be jackshaft left bearing, and 16 be the first driven gear, and 17 be the second driven gear, and 18 are
Third driven gear, 19 be jackshaft right bearing, and 20 be jackshaft, and 21 be the second countershaft, and 22 be second clutch, and 23 be second
Clutch gear, 24 be the second countershaft left bearing, and 25 be four gear driving gears, and 26 be third synchronizer, and 261 be third synchronizer
Tooth set, 262 be four gear soldered tooths, and 263 be two gear soldered tooths, and 27 be two gear driving gear, and 28 be the 4th synchronizer, and 281 be the
Four synchronizer gear sleeves, 282 be the soldered tooth that reverses gear, and 283 be six gear soldered tooths, and 29 be reverse gear, and 30 be the second countershaft right bearing,
31 be reverse gear shaft right bearing, and 32 be the driven gear that reverses gear, and 33 be reverse gear shaft, and 34 be the driving gear that reverses gear, and 35 be reverse gear shaft left axle
It holds, 36 be idler shaft right bearing, and 37 is export idle pulley, and 38 be idler shaft left bearing, and 39 be idler shaft, and 40 be differential mechanism, and 41 are
Differential mechanism input gear, 42 be seven gear driving gears, and 43 be the 4th driven gear, and 44 be six gear driving gears.
Specific implementation mode
Referring to Fig. 1 to Fig. 2, a kind of double disengaging type automatic transmission transmission mechanisms, including support and put down by bearing respectively
Input shaft 2, the first countershaft 5, the second countershaft 21, the jackshaft 20 of row setting, the bearing of bearing are arranged at the shell of speed changer
On.The input shaft 2 is engaged by a fixed input shaft gear 3 with first clutch gear 7, second clutch gear 23,
The driven disc of first countershaft, 5 left end and first clutch 6 passes through the circumferentially fixed connection of spline, 21 left end of the second countershaft
Pass through the circumferentially fixed connection of spline with 22 driven disc of second clutch.The first clutch gear 7, second clutch gear 23
It can axial restraint be air-ground respectively is sleeved on the shell of speed changer.Or 7 axial restraint of first clutch gear is air-ground is sleeved on first
On countershaft 5,23 axial restraint of second clutch gear is air-ground to be sleeved on the second countershaft 21, and the present embodiment is selected first clutch
Axial restraint is air-ground respectively is sleeved on corresponding countershaft for gear 7, second clutch gear 23.Power is passed to input by engine
Power is transferred to first clutch gear 7, second clutch by axis 2, the input shaft gear 3 being fixedly connected on input shaft 2 again
Gear 23 realizes the rotation of the first countershaft 5 or the second countershaft 21 by the clutch for clutch control of clutch.
The first synchronizer 10, the second synchronizer 12, five gear driving gears are set gradually on first countershaft 5 from left to right
9, for three gear 11 empty sets of driving gear on the first countershaft 5, five gear driving gears 9 are located at the left side of the first synchronizer 10, three gear masters
Moving gear 11 is located at the right side of the first synchronizer 10.One gear 13 empty set of driving gear is located at the second synchronizer on the first countershaft 5
12 and first between countershaft right bearing 14, and seven gear 42 empty sets of driving gear are located at the second synchronizer 12 and three on the first countershaft 5
It keeps off between driving gear 11.Set gradually third synchronizer 26, the 4th synchronizer 28 on second countershaft 21 from left to right, four
Driving gear 25,27 empty set of two gear driving gear are kept off on the second countershaft 21, four gear driving gears 25 are located at third synchronizer 26
Left side, two gear driving gear 27 are located at 26 right side of third synchronizer.29 empty set of reverse gear is located at the 4th on the second countershaft 21
Between synchronizer 28 and the second countershaft right bearing 30, six gear 44 empty sets of driving gear are located at the 4th and synchronize on the second countershaft 21
Between device 28 and two gear driving gear 27.Reverse gear 29 abuts the second countershaft right bearing 30, is not disposed on the second countershaft 21
Centre position, can be improved the rigidity of the second countershaft 21, reduce the bending deformation quantity of the second countershaft 21, not only the transmission of power well,
The service life of second countershaft left bearing 24 and the second countershaft right bearing 30 also accordingly improves.The one gear gear master of driving gear 13, two
Moving gear 27, three keeps off driving gear 11, four and keeps off the gear of driving gear 25, five driving gear 9, the gear of reverse gear 29 and six actively
It is duplicate gear that gear 44, seven, which keeps off driving gear 42, and the soldered tooth of these duplicate gears is located at corresponding synchronizer one
The tooth set of side, synchronizer forms power transmission by axial movement with indented joint is engaged.When shift, clutch interrupts power transmits
The tooth set of i.e. removable synchronizer and corresponding engagement indented joint afterwards, then restore clutch power transmit and can realize shift after
The transmission of power.
The first driven gear 16, the second driven gear the 17, the 4th is fixedly installed on the jackshaft 20 successively from left to right
Driven gear 43, third driven gear 18, first driven gear 16 keep off driving gear with five gear driving gears 9, four simultaneously
25 engagements, second driven gear 17 are engaged with three gear driving gears 11, two gear driving gear 27 simultaneously, and the third is driven
Gear 18 is engaged with a gear driving gear 13, and the 4th driven gear 43 keeps off driving tooth with six gear driving gears 44, seven simultaneously
42 engagement of wheel.One, which is parallel on the reverse gear shaft 33 of jackshaft 20 fixed setting, reverses gear driving gear 34 and the driven gear 32 that reverses gear,
The driving gear 34 that reverses gear is engaged with the second driven gear 17, and the driven gear 32 that reverses gear is engaged with reverse gear 29.The
Two driven gears 17 keep off driving gear 11 with two gear driving gear 27, three simultaneously, the driving gear 34 that reverses gear engages, altogether grinding tooth wheel
There are four, when design, need to only consider that two gear driving gear 27, three keeps off the transmission ratio of driving gear 11 and the second driven gear 17
Match, the design of grinding tooth wheel set altogether is easier to.Simultaneously as nibbling altogether, number of gears is few, and two gear driving gear 27, three keeps off driving gear
11, the profile modifying parameters of reverse gear 29 are easily guaranteed that two gear driving gear 27, three keeps off driving gear 11,29 each operating mode of reverse gear
Under NVH performances, speed changer NVH performances are good.Reverse gear 29 and the engagement of driven gear 32 of reversing gear form a transmission ratio, reverse gear
Driving gear 34 is engaged with the second driven gear 17 forms a transmission ratio, and back gear ratio is collectively formed in two transmission ratios,
The design of gear transmission ratio is easier to.Simultaneously in the centre-to-centre spacing of the second countershaft 21 and reverse gear shaft 33, reverse gear shaft 33 and jackshaft 20
For the heart away from can suitably increase according to demand, the design space of reverse gear 29 is also big, can enhance the bearing capacity of reverse gear 29.
One is parallel on the idler shaft 39 of jackshaft 20 fixed setting output idle pulley 37, the output idle pulley 37 and first from
Moving gear 16 engages, and the differential mechanism input gear 41 being arranged on a differential mechanism 40 is engaged with output idle pulley 37.The idler shaft 37
It is supported by idler shaft left bearing 38, idler shaft right bearing 36.It is inputted using output idle pulley 37 and the first driven gear 16, differential mechanism
Gear 41 engages, and a gear, two gears, three gears, four gears, five gears, six gears, seven gears, the power that reverses gear transmit by the first driven tooth
Wheel 16 is transmitted to output idle pulley 37, then is transferred power on differential mechanism input gear 41 by exporting idle pulley 37.Idler shaft simultaneously
39 can suitably increase according to demand with centre-to-centre spacing, idler shaft 39 and the centre-to-centre spacing of differential mechanism 40 of jackshaft 20.
When speed changer needs are linked into a gear from neutral gear, the electronic control unit of speed changer controls the second synchronizer gear sleeve 121 to the right
Axial movement is engaged with a gear soldered tooth 122, then controls first clutch 6 and the first countershaft by the electronic control unit of speed changer again
5 engagements.Power is passed to input shaft 2 by engine, and power is transmitted to first clutch gear 7 by input shaft gear 3 again, at this moment
Power is transferred to third driven gear 18 by one gear driving gear 13 again, then by the first driven gear 16 power is transferred to defeated
Go out idle pulley 37, power is transferred to differential mechanism input gear 41 by output idle pulley 37 again, and it is real that last power is passed to differential mechanism 40
The power of an existing gear transmits.
When speed changer needs to rise up into two gears from a gear, the electronic control unit control third synchronizer gear sleeve 261 of speed changer is to the right
Axial movement is engaged with two gear soldered tooths 263, then controls second clutch 22 and the second pair by the electronic control unit of speed changer again
Axis 21 engages, while controlling first clutch 6 and being detached with the first countershaft 5.Power is passed to input shaft 2, input shaft by engine
Power is transmitted to second clutch gear 23 by gear 3 again, and at this moment it is driven to be transferred to second by two gear driving gear 27 again for power
Gear 17, then power is transferred to by the first driven gear 16 by output idle pulley 37, power is transferred to difference by output idle pulley 37 again
Fast device input gear 41, last power are passed to differential mechanism 40 and realize that the power of two gears transmits.
When speed changer needs to rise up into three gears from two gears, the electronic control unit of speed changer controls the first synchronizer gear sleeve 101 to the right
Axial movement is engaged with three gear soldered tooths 103, then controls first clutch 6 and the first countershaft by the electronic control unit of speed changer again
5 engagements, while controlling second clutch 22 and being detached with the second countershaft 21.Power is passed to input shaft 2, input shaft tooth by engine
Power is transmitted to first clutch gear 7 by wheel 3 again, and at this moment power is transferred to the second driven gear by three gear driving gears 11 again
17, then power is transferred to by the first driven gear 16 by output idle pulley 37, power is transferred to differential mechanism by output idle pulley 37 again
Input gear 41, last power are passed to differential mechanism 40 and realize that the power of three gears transmits.
When speed changer needs to rise up into four gears from three gears, the electronic control unit control third synchronizer gear sleeve 261 of speed changer is to the left
Axial movement is engaged with four gear soldered tooths 262, then controls second clutch 22 and the second pair by the electronic control unit of speed changer again
Axis 21 engages, while controlling first clutch 6 and being detached with the first countershaft 5.Power is passed to input shaft 2, input shaft by engine
Power is transmitted to second clutch gear 23 by gear 3 again, and at this moment it is driven to be transferred to first by four gear driving gears 25 again for power
Gear 16, then power is transferred to by the first driven gear 16 by output idle pulley 37, power is transferred to difference by output idle pulley 37 again
Fast device input gear 41, last power are passed to differential mechanism 40 and realize that the power of four gears transmits.
When speed changer needs to rise up into five gears from four gears, the electronic control unit of speed changer controls the first synchronizer gear sleeve 101 to the left
Axial movement is engaged with five gear soldered tooths 102, then controls first clutch 6 and the first countershaft by the electronic control unit of speed changer again
5 engagements, while controlling second clutch 22 and being detached with the second countershaft 21.Power is passed to input shaft 2, input shaft tooth by engine
Power is transmitted to first clutch gear 7 by wheel 3 again, and at this moment power is transferred to the first driven gear by five gear driving gears 9 again
16, then power is transferred to by the first driven gear 16 by output idle pulley 37, power is transferred to differential mechanism by output idle pulley 37 again
Input gear 41, last power are passed to differential mechanism 40 and realize that the power of five gears transmits.
When speed changer needs to rise up into six gears from five gears, the electronic control unit of speed changer controls the 4th synchronizer gear sleeve 281 to the left
Axial movement is engaged with six gear soldered tooths 283, then controls second clutch 22 and the second pair by the electronic control unit of speed changer again
Axis 21 engages, while controlling first clutch 6 and being detached with the first countershaft 5.Power is passed to input shaft 2, input shaft by engine
Power is transmitted to second clutch gear 23 by gear 3 again, and at this moment it is driven to be transferred to the 4th by six gear driving gears 44 again for power
Gear 43, then power is transferred to by the first driven gear 16 by output idle pulley 37, power is transferred to difference by output idle pulley 37 again
Fast device input gear 41, last power are passed to differential mechanism 40 and realize that the power of six gears transmits.
When speed changer needs to rise up into seven gears from six gears, the electronic control unit of speed changer controls the second synchronizer gear sleeve 121 to the left
Axial movement is engaged with seven gear soldered tooths 123, then controls first clutch 6 and the first countershaft by the electronic control unit of speed changer again
5 engagements, while controlling second clutch 22 and being detached with the second countershaft 21.Power is passed to input shaft 2, input shaft tooth by engine
Power is transmitted to first clutch gear 7 by wheel 3 again, and at this moment power is transferred to the first driven gear by seven gear driving gears 42 again
16, then power is transferred to by the first driven gear 16 by output idle pulley 37, power is transferred to differential mechanism by output idle pulley 37 again
Input gear 41, last power are passed to differential mechanism 40 and realize that the power of seven gears transmits.
When speed changer needs extension to reverse gear, the electronic control unit of speed changer controls the 4th synchronizer gear sleeve 281 and moves axially to the right
Soldered tooth 282 engages with reversing gear, and is then engaged again with the second countershaft 21 by the electronic control unit of speed changer control second clutch 22,
Ensure that first clutch 6 and the first countershaft 5 are discrete states by the electronic control unit of speed changer simultaneously.Engine passes to power
Power is transmitted to second clutch gear 23 by input shaft 2, input shaft gear 3 again, and at this moment reverse gear 29 again transmits power
Power is transferred to the second driven gear 17, the first driven gear 16 to the driven gear 32 that reverses gear, then by the driving gear 34 that reverses gear
Power is transferred to output idle pulley 37 again, power is transferred to differential mechanism input gear 41, last power quilt by output idle pulley 37 again
It is transmitted to differential mechanism 40 and realizes that the power to reverse gear transmits.
Claims (4)
1. a kind of double disengaging type automatic transmission transmission mechanisms, including pass through bearing bearing and input shaft disposed in parallel respectively
（2）, the first countershaft（5）, the second countershaft（21）, jackshaft（20）, the input shaft（2）Pass through an input shaft gear（3）With
One clutch gear（7）, second clutch gear（23）Engagement, first countershaft（5）Left end and first clutch（6）From
The circumferentially fixed connection of Moving plate, second countershaft（21）Left end and second clutch（22）The circumferentially fixed connection of driven disc, it is special
Sign is：
First countershaft（5）On the first synchronizer is respectively set（10）, the second synchronizer（12）, five gear driving gears（9）, three
Keep off driving gear（11）Empty set is in the first countershaft（5）On, it is located at the first synchronizer（10）Both sides, a gear driving gear（13）
Empty set is in the first countershaft（5）On, it is located at the second synchronizer（12）Between bearing support；
Second countershaft（21）On third synchronizer is respectively set（26）, the 4th synchronizer（28）, four gear driving gears（25）、
Two gear driving gear（27）Empty set is in the second countershaft（21）On, it is located at third synchronizer（26）Both sides, reverse gear（29）
Empty set is in the second countershaft（21）On, it is located at the 4th synchronizer（28）Between bearing support；
The jackshaft（20）The first driven gear of upper fixed setting（16）, the second driven gear（17）, third driven gear
（18）, first driven gear（16）Simultaneously driving gears are kept off with five（9）, four gear driving gears（25）Engagement, described second
Driven gear（17）Simultaneously driving gears are kept off with three（11）, two gear driving gear（27）Engagement, the third driven gear（18）
With a gear driving gear（13）Engagement；
One is parallel to jackshaft（20）Reverse gear shaft（33）It is equipped with the driving gear that reverses gear（34）With the driven gear that reverses gear（32）, institute
State the driving gear that reverses gear（34）With the second driven gear（17）Engagement, the driven gear that reverses gear（32）With reverse gear（29）It nibbles
It closes；
One is parallel to jackshaft（20）Idler shaft（39）Upper setting exports idle pulley（37）, the output idle pulley（37）With first from
Moving gear（16）Engagement, a differential mechanism（40）The differential mechanism input gear of upper setting（41）With output idle pulley（37）Engagement.
2. double disengaging type automatic transmission transmission mechanisms according to claim 1, it is characterised in that：The jackshaft（20）
The 4th driven gear of upper fixed setting（43）, the 4th driven gear（43）Positioned at the second driven gear（17）It is driven with third
Gear（18）Between, second countershaft（21）Six gear driving gear of overhead set setting（44）, the six gears driving gear（44）
Positioned at the 4th synchronizer（28）With two gear driving gear（27）Between with the 4th driven gear（43）Engagement.
3. double disengaging type automatic transmission transmission mechanisms according to claim 1, it is characterised in that：The jackshaft（20）
The 4th driven gear of upper fixed setting（43）, the 4th driven gear（43）Positioned at the second driven gear（17）It is driven with third
Gear（18）Between, first countershaft（5）Seven gear driving gear of overhead set setting（42）, the seven gears driving gear（42）Position
In the second synchronizer（12）With three gear driving gears（11）Between with the 4th driven gear（43）Engagement.
4. double disengaging type automatic transmission transmission mechanisms according to claim 1 or 2 or 3, it is characterised in that：One gear is actively
Gear（13）, two gear driving gear（27）, three gear driving gears（11）, four gear driving gears（25）, five gear driving gears（9）、
Reverse gear（29）And six gear driving gear（44）, seven gear driving gears（42）It is duplicate gear, these duplicate gears
Soldered tooth is located at corresponding synchronizer side, and the tooth set of synchronizer forms power biography by axial movement with indented joint is engaged
It passs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810247040.4A CN108317225A (en) | 2018-03-23 | 2018-03-23 | Double disengaging type automatic transmission transmission mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810247040.4A CN108317225A (en) | 2018-03-23 | 2018-03-23 | Double disengaging type automatic transmission transmission mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108317225A true CN108317225A (en) | 2018-07-24 |
Family
ID=62900052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810247040.4A Pending CN108317225A (en) | 2018-03-23 | 2018-03-23 | Double disengaging type automatic transmission transmission mechanisms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317225A (en) |
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| CN110360278A (en) * | 2019-08-14 | 2019-10-22 | 陈奇 | Space of tractor double engaging powers shift assemblies in parallel |
| CN111114282A (en) * | 2018-10-31 | 2020-05-08 | 比亚迪股份有限公司 | Power driving system and vehicle |
| DE102021202814A1 (en) | 2021-03-23 | 2022-09-29 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
| DE102021202804A1 (en) | 2021-03-23 | 2022-09-29 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
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| CN111114282A (en) * | 2018-10-31 | 2020-05-08 | 比亚迪股份有限公司 | Power driving system and vehicle |
| CN110360278A (en) * | 2019-08-14 | 2019-10-22 | 陈奇 | Space of tractor double engaging powers shift assemblies in parallel |
| DE102021202814A1 (en) | 2021-03-23 | 2022-09-29 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
| DE102021202804A1 (en) | 2021-03-23 | 2022-09-29 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
| DE102021202814B4 (en) | 2021-03-23 | 2022-10-20 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
| DE102021202804B4 (en) | 2021-03-23 | 2022-10-20 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
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