CN109899515A - Double-clutch automatic gearbox gearshift - Google Patents
Double-clutch automatic gearbox gearshift Download PDFInfo
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- CN109899515A CN109899515A CN201910307876.3A CN201910307876A CN109899515A CN 109899515 A CN109899515 A CN 109899515A CN 201910307876 A CN201910307876 A CN 201910307876A CN 109899515 A CN109899515 A CN 109899515A
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- shift fork
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 52
- 238000003756 stirring Methods 0.000 claims description 11
- 241001133184 Colletotrichum agaves Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
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Abstract
The invention discloses double-clutch automatic gearbox gearshifts, and the shift of eight gears is realized using two shift fork axles and four shift forks, structure is simplified, reduces amount of parts, improve the matching flexibility of speed changer.And four shifts are dialled is placed in two shift fork axles two-by-two respectively, convenient for the dismounting and repairing of speed changer.Selector fork realizes movement by rolling friction mode in shift fork axle by bearing, can reduce the mechanical wear between selector fork and shift fork axle, and the service life of elongated component improves shift efficiency.It is provided with self-positioning steel ball M slot on selector fork, guarantees the lock-bit precision of selector fork.
Description
Technical field
The present invention relates to shifter of transmission, and in particular to double-clutch automatic gearbox gearshift.
Background technique
For double-clutch automatic gearbox on the basis of manual transmission, the transmission efficiency for inheriting manual transmission is high,
The advantages that running space is compact, cheap pass the power of engine can always by the switching between two clutches
It is delivered to wheel, vehicle can complete shift in the continual situation of power, while guaranteeing shift quality, effectively improve
Comfort, dynamic property and the safety of automobile.
Its shafting structure of the double-clutch automatic gearbox of the prior art is an intermediate axis and intermediate two axis while being in
It is arranged between input shaft and differential mechanism, it can only be just that gearshift encircles input shaft that Yao Shixian shift fork prong, which pools together,.With
For seven gear double-clutch automatic gearboxes, the synchronizer of 8 gears is arranged on an intermediate axis and intermediate two axis, existing shift
Mechanism mostly uses greatly 4 independent shift fork axles, and stationary phase answers the shift fork of synchronizer in each shift fork axle, extends respective shift fork prong and converges
Collect same place.The gear shifting structure components are various, and structure is not compact, occupy a large amount of speed changer inner spaces.Simultaneously by dialling
Moving up and down for fork shaft drives shift fork to shift gears, and mission case will be caused there are shift fork axle space, both make cabinet
Structure is complicated.
Summary of the invention
The invention discloses double-clutch automatic gearbox gearshifts, overcome gearshift existing in the prior art multiple
It is miscellaneous, expend speed changer space the problem of, proposition meet gearshift function and performance under the premise of, reach it is compact-sized, reduce
The gearshift of cost.
Double-clutch automatic gearbox gearshift disclosed by the invention, including one axis gearshift 1 of mutually independent centre,
Two axis gearshift 2 of centre and shift inversion mechanism 3；
The one axis gearshift of centre includes an intermediate axis shift fork axle, the first odd number gear fork, the first even number gear fork, first
Odd number keeps off self-locking mechanism and the first even number keeps off self-locking mechanism；The first odd number gear shift fork and the first even number gear shift fork empty set are in
Between in an axis shift fork axle, the first odd number gear shift fork extends the first odd number gear fork prong, and the first even number gear fork extends the
One even number keeps off fork prong, and the first odd number gear self-locking mechanism realizes that the first odd number keeps off fork certainly by locking shift fork sleeve outer surface
It locks, the first even number keeps off self-locking mechanism and realizes that the first even number gear fork is self-locking by locking shift fork sleeve outer surface；
The two axis gearshift 2 of centre includes intermediate two axis shift fork axles, the second odd number gear fork, the second even number gear fork, the
Two odd numbers keep off self-locking mechanism and the second even number keeps off self-locking mechanism；The second odd number gear shift fork and the second even number gear shift fork empty set exist
In intermediate two axis shift fork axles, the second odd number gear shift fork extends the second odd number gear fork prong, and the second even number gear fork extends
Second even number keeps off fork prong, and the second odd number keeps off self-locking mechanism and realizes that the second odd number keeps off shift fork by locking shift fork sleeve outer surface
Self-locking, the second even number keeps off self-locking mechanism and realizes that the second even number gear shift fork is self-locking by locking shift fork sleeve outer surface；
The first interlocking structure and the second interlocking structure are set on shift inversion mechanism；First odd number keeps off shift fork prong and the second odd number
Gear shift fork prong extends at one, stirs a shift fork by the shifting block rotation on the first interlocking structure and moves up and down, another group
Fork realizes gear interlocking by the fixed limitation of interlocking positioning surface reel cambered surface on the first interlocking structure；First even number keeps off shift fork fork
Mouth extends at one with the second even number gear shift fork prong, is stirred by the shifting block rotation on the second interlocking structure and is moved down on a shift fork
Dynamic, another shift fork realizes gear interlocking by the fixed limitation of interlocking positioning surface reel cambered surface on the second interlocking structure.
Further, the rotation timing of the shifting block on the first interlocking structure and the shifting block on the second interlocking structure is set as working as
One of shifting block stirs its corresponding shift fork in gear, another shifting block stirs its corresponding shift fork and puts into gear or move back in advance gear.
Further, the first odd number gear fork is a gear five gear shift fork, the first even number gear fork is four gear back forks, the
Two odd numbers gear shift fork is three gears seven gear shift fork, the second even number gear shift fork is that second gear six keeps off shift fork.
Further, the first odd number gear, the first even number gear, the second odd number gear and the second even number gear self-locking mechanism include:
Self-positioning steel ball M slot, self-lock pin and locking ball；The self-positioning steel ball M slot is weldingly fixed on shift fork sleeve outer surface, self-locking
Pin is fixed on mission case, and the spring of the self-lock pin pushes locking ball dieback to realize in self-positioning steel ball M rooved face
Shift fork is self-locking.
Further, the first odd number gear shift fork or the first even number gear shift fork or the second odd number gear shift fork or the second even number
The ontology for keeping off the two axis shift fork axles of shift fork ontology and an intermediate axis shift fork axle or centre of shift fork realizes rolling friction by bearing,
Bearing and shift fork ontology are interference fitted, and pass through the step axially position of shift fork body interior.
Advantageous effects of the present invention are as follows:
1) shift that eight gears are realized using two shift fork axles and four shift forks, is simplified structure, reduces amount of parts,
Improve the matching flexibility of speed changer.And four shifts are dialled is placed in two shift fork axles two-by-two respectively, convenient for tearing open for speed changer
Dress and repairing.
2) selector fork realizes movement by rolling friction mode in shift fork axle by bearing, can reduce selector fork
Mechanical wear between shift fork axle, the service life of elongated component improve shift efficiency.
3) it is provided with self-positioning steel ball M slot on selector fork, demonstrate,proves the lock-bit precision of selector fork.
Detailed description of the invention
Fig. 1 is double-clutch automatic gearbox gearshift structural schematic diagram of the present invention；
Fig. 2 is self-locking mechanism sectional view；
Fig. 3 is shifting block and the operation schematic diagram for interlocking positioning surface reel cambered surface；
Fig. 4 is another angle shifting block and the operation schematic diagram for interlocking positioning surface reel cambered surface；
Fig. 5 is double-clutch automatic gearbox gearshift operation schematic diagram；
Fig. 6 is the shift fork axle structure chart of various gears shift fork and its suit.
Wherein, an intermediate axis gearshift -1, five gear shift fork -13 of an intermediate axis shift fork axle -11, one gear, four gears reverse gear and dial
Fork -12, one gear five gear self-locking mechanisms -14, four gear reverse gear self-locking mechanism -15, one gear five gear shift fork prongs -16, four gear reverse gear dial
It pitches prong -17, intermediate two axis gearshifts -2, seven gear shift fork -22 of intermediate two axis shift fork axles -21, three gear, second gear six and keeps off shift fork -
23, three gears, seven gear self-locking mechanism -24, second gear six keep off self-locking mechanism -25, three gears, seven gear shift fork prong -26, second gear six and keep off shift fork fork
Mouth -27, bearing -28, self-positioning steel ball M slot -241, self-lock pin -242, locking ball -243, shift inversion mechanism -3, mutually locking
Plane reel -31, shifting block -32.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figures 1 to 6, double-clutch automatic gearbox gearshift disclosed by the invention, including mutually independent centre
One axis gearshift 1, intermediate two axis gearshifts 2 and shift inversion mechanism 3.
An intermediate axis gearshift 1 keeps off fork including an intermediate axis shift fork axle 11, the first odd number, the first even number keeps off fork,
First odd number keeps off self-locking mechanism and the first even number keeps off self-locking mechanism.A kind of mode is: it is that five gear of a gear is dialled that the first odd number, which keeps off shift fork,
Fork 13, it is four gear back forks 12 that the first even number, which keeps off shift fork, and it is five gear self-locking mechanisms 14 of a gear, that the first odd number, which keeps off self-locking mechanism,
One even number gear self-locking mechanism keeps off the self-locking mechanism 15 that reverses gear for four.One gear, five gear shift fork 13 and four gear back forks 12 pass through bearing 28
Rolling friction type empty set is realized in an intermediate axis shift fork axle 11, bearing 28 and shift fork ontology are interference fitted, and pass through shift fork ontology
Internal step axially position, five gear shift fork 13 of a gear extend a gear five gear gear back fork 12 of shift fork prong 16, four and extend
Four gear back fork prong 17 out, five gear self-locking mechanism 14 of a gear realize five gear shift fork of a gear by locking shift fork sleeve outer surface
13 is self-locking, and four, which keep off the self-locking mechanism 15 that reverses gear, realizes that four gear back forks 12 are self-locking by locking shift fork sleeve outer surface.
Intermediate two axis gearshifts 2 keep off shift fork including intermediate two axis shift fork axles 21, the second odd number, the second even number keeps off shift fork,
Second odd number keeps off self-locking mechanism and the second even number keeps off self-locking mechanism.A kind of mode is: it is that three gears, seven gear is dialled that the second odd number, which keeps off shift fork,
Fork 22, it is that second gear six keeps off shift fork 23 that the second even number, which keeps off shift fork, and it is three gears, seven gear self-locking mechanism 24 that the second odd number, which keeps off self-locking mechanism, the
It is that second gear six keeps off self-locking mechanism 25 that two even numbers, which keep off self-locking mechanism,.Three gears, seven gear shift fork 22 and second gear six keep off shift fork 23 and pass through bearing 28
Rolling friction type empty set is realized in intermediate two axis shift fork axles 21, bearing 28 and shift fork ontology are interference fitted, and pass through shift fork ontology
Internal step axially position, three gears, seven gear shift fork 22 extend three gears seven gear shift fork prong 26, and second gear six is kept off shift fork 23 and extended
Second gear six keeps off shift fork prong 27 out, and three gears, seven gear self-locking mechanism 24 realizes three gears, seven gear shift fork by locking shift fork sleeve outer surface
22 is self-locking, and second gear six keeps off self-locking mechanism 25 and realizes that the gear shift fork 23 of second gear six is self-locking by locking shift fork sleeve outer surface.
First interlocking structure and the second interlocking structure are set on shift inversion mechanism 3；One gear, five gear shift fork prong 16 and three
Seven gear shift fork prong 26 of gear extends at one, stirs a shift fork by the rotation of shifting block 32 on the first interlocking structure and moves up and down,
Another shift fork realizes gear interlocking by the fixed limitation of 31 cambered surface of interlocking positioning surface reel on the first interlocking structure.Four gears fall
Gear shift fork prong 17 and second gear six are kept off shift fork prong 27 and are extended at one, stir one by the rotation of shifting block 32 on the second interlocking structure
A shift fork moves up and down, another shift fork is realized by the fixed limitation of 31 cambered surface of interlocking positioning surface reel on the second interlocking structure
Gear interlocking.The rotation timing of the shifting block 32 on shifting block 32 and the second interlocking structure on first interlocking structure is set as ought be wherein
One shifting block stirs its corresponding shift fork in gear, another shifting block stirs its corresponding shift fork and puts into gear or move back in advance gear.
One gear, the five gear gear of self-locking mechanisms 14, four reverse gear the gear of self-locking mechanism 15, three seven gear self-locking mechanisms 24, second gear six keep off it is self-locking
Mechanism 25 includes: self-positioning steel ball M slot 241, self-lock pin 242 and locking ball 243.Self-positioning steel ball M slot 241 is welded and fixed
In shift fork sleeve outer surface, self-lock pin 242 is fixed on mission case, and the spring of self-lock pin 242 pushes locking ball 243 to push up
Extremely realize that shift fork is self-locking on self-positioning 241 surface of steel ball M slot.
The double-clutch automatic gearbox gearshift working principle is as follows:
Realize more gear shift combinations: five gear shift fork 13 of a gear and four gear 12 empty sets of back fork are in an intermediate axis shift fork axle 11
On, three gears, seven gear shift fork 22 and second gear six keep off 23 empty set of shift fork in intermediate two axis shift fork axles 21, and an intermediate axis shift fork axle
11 and two axis shift fork axle 21 of centre is mutually indepedent, it can be achieved that double-clutch automatic gearbox is a variety of while mode of putting into gear；Such as: reverse gear and
One gear, a gear and second gear, second gear and three gears, three gears and four gears, four gears and five gears, five gears and six gears, six gears and seven gears；And it jumps
Gear is put into gear: a gear and four gears, second gear and five gears, three gears and six gears, four gears and seven gears.
Realization is put into gear self-locking with the gear after neutral gear: bullet of each shift fork in various gears or neutral gear, inside self-lock pin 242
Spring pushes 243 dieback of locking ball in the groove of the self-positioning steel ball M slot 241 of the gear, realizes that gear is self-locking.It is shifting gears
When, shift fork is mobile to target gear, and self-positioning steel ball M slot 241 pushes 243 compressed spring of locking ball, and gear abjection is linked into pre-
After determining gear, spring elongation is realized self-locking.
Realize gear interlocking: five gear shift fork prong 16 of a gear and three gears, seven gear shift fork prong 27 are using the first interlocking structure
Control, second gear six keep off shift fork prong 26, four and keep off back fork prong 17 using the control of the second interlocking structure.During putting into gear, with
For hanging a gear, the shifting block 32 of the first interlocking structure, which is stirred a gear five gear shift fork 13 and moved up in an intermediate axis shift fork axle 11, to be moved
Gear, fixed three gear of limitation, the seven gear shift fork 22 of 31 cambered surface of interlocking positioning surface reel of the first interlocking structure is in intermediate two axis shift fork axles 21
Upper moving gear shift, meanwhile, it is pre- in intermediate two axis shift fork axles 21 that the shifting block 32 of the second interlocking structure stirs the gear shift fork 23 of second gear six
Gear is hung or moves back, the fixed four gear back fork of limitation of 31 cambered surface of interlocking positioning surface reel of the second interlocking structure is on an intermediate axis 11
Moving gear shift.In this way, realizing gear interlocking in shift process.
Claims (5)
1. double-clutch automatic gearbox gearshift, it is characterised in that: including mutually independent one axis gearshift (1) of centre,
Intermediate two axis gearshifts (2) and shift inversion mechanism (3)；
The one axis gearshift (1) of centre includes an intermediate axis shift fork axle (11), the first odd number keeps off fork, the first even number gear pulls out
Fork, the first odd number gear self-locking mechanism and the first even number keep off self-locking mechanism；The first odd number gear shift fork and the first even number keep off shift fork
For empty set in an intermediate axis shift fork axle (11), the first odd number gear shift fork extends the first odd number gear fork prong, the first even number gear
Fork extends the first even number gear fork prong, and the first odd number keeps off self-locking mechanism and realizes first by locking shift fork sleeve outer surface
Odd number gear fork is self-locking, and the first even number gear self-locking mechanism realizes the first even number gear fork certainly by locking shift fork sleeve outer surface
Lock；
The two axis gearshift (2) of centre includes intermediate two axis shift fork axles (21), the second odd number keeps off fork, the second even number gear pulls out
Fork, the second odd number gear self-locking mechanism and the second even number keep off self-locking mechanism；The second odd number gear shift fork and the second even number keep off shift fork
For empty set in intermediate two axis shift fork axles, the second odd number gear shift fork extends the second odd number gear fork prong, and the second even number keeps off fork
Extend the second even number gear fork prong, the second odd number keeps off self-locking mechanism and realizes the second odd number by locking shift fork sleeve outer surface
Gear fork is self-locking, and the second even number keeps off self-locking mechanism and realizes that the second even number gear fork is self-locking by locking shift fork sleeve outer surface；
The first interlocking structure and the second interlocking structure are set on the axis body of shift inversion mechanism (3)；First odd number keeps off shift fork prong
It is extended at one with the second odd number gear shift fork prong, shift fork or more is stirred by shifting block (32) rotation on the first interlocking structure
Mobile, another shift fork realizes gear interlocking by the fixed limitation of interlocking positioning surface reel (31) cambered surface on the first interlocking structure；
First even number gear shift fork prong and the second even number gear shift fork prong extend at one, are turned by the shifting block (32) on the second interlocking structure
Dynamic to stir a shift fork and move up and down, another shift fork is fixed by interlocking positioning surface reel (31) cambered surface on the second interlocking structure
Gear interlocking is realized in limitation.
2. double-clutch automatic gearbox gearshift as described in claim 1, it is characterised in that: dialling on the first interlocking structure
Head is set as stirring its corresponding shift fork in gear when one of shifting block with the rotation timing of the shifting block on the second interlocking structure,
Another shifting block stirs its corresponding shift fork and puts into gear or move back in advance gear.
3. double-clutch automatic gearbox gearshift as claimed in claim 2, it is characterised in that: it is one that the first odd number, which keeps off fork,
Five gear shift fork of gear, the first even number gear fork are four gear back forks, the second odd number gear shift fork is three gears seven gear shift fork, the second even number
Keeping off shift fork is that second gear six keeps off shift fork.
4. double-clutch automatic gearbox gearshift as claimed in claim 3, it is characterised in that: the first odd number gear, first are occasionally
Number gear, the second odd number gear and the second even number gear self-locking mechanism include: self-positioning steel ball M slot (241), self-lock pin (242) and determine
Position steel ball (243)；The self-positioning steel ball M slot (241) is weldingly fixed on shift fork sleeve outer surface, and self-lock pin (242) is fixed on
On mission case, the spring of the self-lock pin (242) pushes locking ball (243) dieback in self-positioning steel ball M slot (241) table
Realize that shift fork is self-locking in face.
5. double-clutch automatic gearbox gearshift as claimed in claim 4, it is characterised in that: first odd number keeps off shift fork
Or first even number gear shift fork or the second odd number gear shift fork or the second even number gear shift fork shift fork ontology and an intermediate axis shift fork axle or
The ontology of two axis shift fork axles realizes rolling friction by bearing (28) among person, and bearing (28) and shift fork ontology are interference fitted, lead to
Cross the step axially position of shift fork body interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910307876.3A CN109899515A (en) | 2019-04-17 | 2019-04-17 | Double-clutch automatic gearbox gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910307876.3A CN109899515A (en) | 2019-04-17 | 2019-04-17 | Double-clutch automatic gearbox gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109899515A true CN109899515A (en) | 2019-06-18 |
Family
ID=66955926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910307876.3A Pending CN109899515A (en) | 2019-04-17 | 2019-04-17 | Double-clutch automatic gearbox gearshift |
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| CN108533746A (en) * | 2018-06-20 | 2018-09-14 | 浙江吉利控股集团有限公司 | Shift-selecting and changing actuating mechanism and vehicle with it |
| CN210034380U (en) * | 2019-04-17 | 2020-02-07 | 重庆青山工业有限责任公司 | Gear shifting mechanism of double-clutch automatic transmission |
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2019
- 2019-04-17 CN CN201910307876.3A patent/CN109899515A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033797A (en) * | 2006-03-06 | 2007-09-12 | C.R.F.阿西安尼顾问公司 | Gear shift fork for a gearbox with discrete gear ratios |
| CN101255903A (en) * | 2007-03-01 | 2008-09-03 | 三菱自动车工业株式会社 | Synchromesh automatic transmission |
| KR20090095768A (en) * | 2008-03-06 | 2009-09-10 | 현대자동차주식회사 | Double clutch transmission |
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