CN202349175U - AMT (Automated mechanical transmission) gear selecting and shifting actuating mechanism - Google Patents
AMT (Automated mechanical transmission) gear selecting and shifting actuating mechanism Download PDFInfo
- Publication number
- CN202349175U CN202349175U CN2011202962563U CN201120296256U CN202349175U CN 202349175 U CN202349175 U CN 202349175U CN 2011202962563 U CN2011202962563 U CN 2011202962563U CN 201120296256 U CN201120296256 U CN 201120296256U CN 202349175 U CN202349175 U CN 202349175U
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- dynamic mount
- worm gear
- actuating mechanism
- selecting
- gearshift
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Abstract
The utility model discloses an AMT (Automated mechanical transmission) gear selecting and shifting actuating mechanism, which comprises a worm wheel and a gear shifting shaft, wherein a damping element is arranged on the worm wheel, a gear shifting shaft hole is arranged in the middle of the worm wheel, the inner diameter of the gear shifting shaft hole is larger than the outer diameter of the gear shifting shaft, the worm wheel and the damping element are connected through a damping spring, and the damping element is fixedly connected with the gear shifting shaft through an elastic pin. Compared with the prior art, the AMT gear selecting and shifting actuating mechanism has the following advantages: the actuating mechanism has a novel concept and a simple structure, can effectively reduce gear shifting shock, ensure stable gear shifting, and effectively prolong the service lives of the synchronizing devices in a gear selecting actuating mechanism and a transmission case; and the actuating mechanism is small in occupied space, convenient for installation and maintenance, safe and reliable, long in service life, and easy to implement.
Description
Technical field
The utility model belongs to automotive transmission component manufacturing technology field, specifically, relates to a kind of automatic mechanical transmission (AMT) shift-selecting and changing actuating mechanism.
Background technique
At present, in automobile gearbox manufacturing technology field, AMT had both kept the high advantage of manual transmission transmission efficiency, had realized the self shifter operation comfort again.AMT automatic gear shifting speed changing system simplification gear shift operation, reduced the driving technology requirement, improved travel safety; And, use the AMT technology and can on the conventional machinery gearbox, transform, manufacture good, simple in structure, easy to manufacture, low, the economic environmental protection of maintenance and repair cost of inheritance, be fit to China's actual conditions; It is little that reasonably shifting points makes the motor impact, and transmission efficiency, riding comfort, fuel economy are improved.
In the existing technology; Like Chinese patent number is 201020211182.4; Patent name is the AMT shift-selecting and changing actuating mechanism; Open day is on May 18th, 2011, and this patent discloses the AMT shift-selecting and changing actuating mechanism, comprises choosing shelves motor, shift motor, choosing gearshift axle, choosing shelves gear shaft and power shift gear axle; Choosing shelves gear shaft drives choosing gearshift axle and moves up and down along choosing gearshift axle axis; The power shift gear axle drives choosing gearshift axle around choosing gearshift axle axis left rotation and right rotation; Said choosing shelves motor through first worm and helical gear secondary is connected and drives with a choosing shelves gear shaft select grade gear shaft to rotate; Said shift motor through second worm and helical gear secondary be connected with the power shift gear axle and drive the power shift gear axle rotate.
Gearshift actuator in the above-mentioned existing technology scheme, its power transmission process all is to be accomplished by the mechanical part transmission that is meshing with each other, inside does not have the setting of associated mechanisms such as damping or buffering.In whole shift process, gearshift actuator is in the process that always loads power, and this shift process certainly will make gearshift actuator produce serious impact; This impact will be to causing very big damage between each component of actuator inside, have a strong impact on the working life of gearshift actuator, and then influence whole AMT working life, influences the driving safety of vehicle.
The model utility content
The utility model provides technological scheme technical problem to be solved to be, AMT shift-selecting and changing actuating mechanism of the prior art is in shift process, owing to be in the process that loads power always; Must make gearshift actuator produce serious impact; Cause very big damage for actuator inside, have a strong impact on the working life of gearshift actuator, and then influence whole AMT working life; Influence the technical problems such as driving safety of vehicle, and AMT is provided shift-selecting and changing actuating mechanism.
The design of the utility model is; On the basis of existing AMT shift-selecting and changing actuating mechanism, on the worm gear body, set up damping device, make actuator in shift process; Realize the effect of damping and buffering, the related damping device of the utility model is the part of AMT shift-selecting and changing actuating mechanism.
The technological scheme that the utility model provided is; The AMT shift-selecting and changing actuating mechanism comprises worm gear, gearshift axle, and said worm gear is provided with damper element; Said worm gear middle part is provided with the gearshift axis hole; The internal diameter of said gearshift axis hole is greater than the external diameter of said gearshift axle, and said worm gear is connected through damping spring with said damper element, and said damper element is fixedly connected through resilient key with said gearshift axle.
Said damper element comprises dynamic mount and dynamic mount lid, and said worm gear is arranged between said dynamic mount and the said dynamic mount lid.
Said worm gear, dynamic mount, dynamic mount cover and are equipped with the mounting hole that said damping spring is installed, and said damping spring is fixedly mounted in the mounting hole of said worm gear, and simultaneously, damping spring also extends to respectively in the mounting hole of dynamic mount and dynamic mount lid; When rigging position, dummy section overlaps in the mounting hole of the damping spring that said worm gear, dynamic mount, dynamic mount cover.
Said worm gear, dynamic mount, dynamic mount cover and are equipped with four damping spring mounting holes, and said damping spring mounting hole is evenly distributed on respectively on the circumferencial direction of said worm gear, dynamic mount, dynamic mount lid.
Said worm gear is provided with kidney slot, and said kidney slot is a through slot.
Said dynamic mount is provided with columnar projections, and said dynamic mount middle part is provided with axle sleeve, and said axle sleeve is fixedly connected with said gearshift axle through said resilient key.
Said dynamic mount covers and is provided with the columnar projections mounting hole, and said dynamic mount lid middle part is provided with the gearshift axis hole, and the internal diameter of said gearshift axis hole is greater than the external diameter of said gearshift axle.
Columnar projections on the said dynamic mount cooperates with said columnar projections mounting hole back-off through the kidney slot on the said worm gear.
Said dynamic mount, worm gear, dynamic mount lid are connected successively, and the power transmission line of said damper element is that power is imported by said worm gear, passes to damping spring through worm gear, passes to dynamic mount and dynamic mount lid by damping spring, passes to the gearshift axle by dynamic mount at last.
Said dynamic mount and dynamic mount cover and are equipped with pilot hole.
Compared with prior art, the utlity model has following advantage: novel, simple in structurely can effectively reduce shift impact, gearshift steadily, effective working life of the protection gearshift actuator and the synchronizer of gearbox inside; It is little to take up room, easy for installation, safe and reliable, long service life, easy to maintenance, easy enforcement.
Description of drawings
The contrast accompanying drawing is described further the utility model.
Fig. 1 is the damping device structural representation of AMT shift-selecting and changing actuating mechanism;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the utility model worm gear schematic representation;
Fig. 4 is the utility model dynamic mount schematic representation;
Fig. 5 is Fig. 4 dynamic mount generalized section;
Fig. 6 is the utility model dynamic mount lid schematic representation;
Wherein, 1 is the gearshift axle; 2 is worm gear; 3 is dynamic mount; 4 are the dynamic mount lid; 6 mounting holes; 7 are the gearshift axis hole; 8 is resilient key; 10 is columnar projections; 11 kidney slots.
Embodiment
The purpose of the utility model provides a kind of damping device that can reduce shift impact, prolongs the working life of gearshift actuator and whole AMT.
The purpose of the utility model is to realize that through such technological scheme the AMT shift-selecting and changing actuating mechanism is set up damping device, and characteristics are that worm gear 2 is established four kidney slots 11 that the mounting hole 6 of adorning four damping springs and the columnar protrusions that lets dynamic mount 3 are passed through; Dynamic mount 3 evenly is provided with four columnar protrusions, and dynamic mount lid 4 evenly is provided with four columnar projections mounting holes, and columnar protrusions cooperates with the columnar projections mounting hole; Dynamic mount 3, worm gear 2, dynamic mount lid 4 are connected successively, are cooperated with the columnar projections mounting hole that dynamic mount covers on 4 by the columnar protrusions on the dynamic mount 3, are solidly installed, and said dynamic mount 3 usefulness resilient keys 8 are fixed on the gearshift axle 1.During work, power is passed to damping spring by worm gear 2 inputs through worm gear 2, passes to dynamic mount 3, dynamic mount lid 4 by damping spring, passes to then on the gearshift axle 1, then through gear transmission, is delivered to gearbox.
Shown in accompanying drawing 1-6, the technological scheme that the utility model provided is the AMT shift-selecting and changing actuating mechanism; Comprise worm gear 2, gearshift axle 1; Said worm gear 2 is provided with damper element, and said worm gear 2 middle parts are provided with gearshift axis hole 7, and the internal diameter of said gearshift axis hole 7 is greater than the external diameter of said gearshift axle 1; Said worm gear 2 is connected through damping spring with said damper element, and said damper element and said gearshift axle 1 are fixedly connected through resilient key 8.Said damper element comprises dynamic mount 3 and dynamic mount lid 4, and said worm gear 2 is arranged between said dynamic mount 3 and the said dynamic mount lid 4.Be equipped with the mounting hole 6 that said damping spring is installed on said worm gear 2, dynamic mount 3, the dynamic mount lid 4; Said damping spring is fixedly mounted in the mounting hole 6 of said worm gear 2; Simultaneously, damping spring also extends to respectively in the mounting hole 6 of dynamic mount 3 and dynamic mount lid 4; When rigging position, dummy sections overlap in the mounting hole 6 of the damping spring on said worm gear 2, dynamic mount 3, the dynamic mount lid 4.Be equipped with four damping spring mounting holes 6 on said worm gear 2, dynamic mount 3, the dynamic mount lid 4, said damping spring mounting hole 6 is evenly distributed on respectively on the circumferencial direction of said worm gear 2, dynamic mount 3, dynamic mount lid 4.Said worm gear 2 is provided with kidney slot 11, and said kidney slot 11 is a through slot.Said dynamic mount 3 is provided with columnar projections 10, and said dynamic mount 3 middle parts are provided with axle sleeve, and said axle sleeve is fixedly connected with said gearshift axle 1 through said resilient key 8.Said dynamic mount lid 4 is provided with the columnar projections mounting hole, and said dynamic mount covers 4 middle parts and is provided with gearshift axis hole 7, and the internal diameter of said gearshift axis hole 7 is greater than the external diameter of said gearshift axle 1.Columnar projections 10 on the said dynamic mount 3 cooperates with said columnar projections mounting hole back-off through the kidney slot 11 on the said worm gear 2.Said dynamic mount 3, worm gear 2, dynamic mount lid 4 are connected successively; The power transmission line of said damper element is that power is passed to damping spring by said worm gear 2 inputs through worm gear 2; Pass to dynamic mount 3 and dynamic mount lid 4 by damping spring, pass to gearshift axle 1 by dynamic mount 3 at last.Said dynamic mount 3 covers on 4 with dynamic mount and is equipped with pilot hole.
Said worm gear 2, inboard have the gearshift axis hole 7 of dress gearshift axle 1, the middle mounting hole 6 that evenly is provided with the kidney slot 11 of four dress columnar protrusions and evenly is provided with four damping springs.
Said dynamic mount 3, in the axle sleeve of dress gearshift axle 1, the middle mounting hole 6 that evenly is provided with four columnar protrusions and all establishes four damping springs are arranged.
Said dynamic mount lid 4, in the gearshift axis hole 7 of dress gearshift axle 1 is arranged, middlely all establish four columnar projections mounting holes that cooperate with columnar protrusions and reach the mounting hole 6 of all establishing four damping springs.
Buffering course is achieved in that because the damping spring pretension is fixed on the worm gear 2, and damping spring is in preparatory pressured state; When gearshift actuator began to shift gears, the gearshift load was a standard load, and whole damping device approaches rigid of transmission power, when gearshift reaches sync bit; The gearshift load strengthens suddenly, and worm gear 2 speed strengthen suddenly, when energy during greater than the stored energy of damping spring; Damping spring is compressed, and whole device produces buffering, realizes shock-absorbing function; When load continue to strengthen, damping spring continues compression, contacts with the kidney slot 11 of the dress columnar protrusions of worm gear 2 up to the columnar protrusions of dynamic mount 3, then again with the rigid of transmission moment of torsion.
Claims (10)
1.AMT shift-selecting and changing actuating mechanism; Comprise worm gear (2), gearshift axle (1), it is characterized in that said worm gear (2) is provided with damper element; Said worm gear (2) middle part is provided with gearshift axis hole (7); The internal diameter of said gearshift axis hole (7) is greater than the external diameter of said gearshift axle (1), and said worm gear (2) is connected through damping spring with said damper element, and said damper element is fixedly connected through resilient key (8) with said gearshift axle (1).
2. AMT shift-selecting and changing actuating mechanism according to claim 1 is characterized in that, said damper element comprises dynamic mount (3) and dynamic mount lid (4), and said worm gear (2) is arranged between said dynamic mount (3) and the said dynamic mount lid (4).
3. AMT shift-selecting and changing actuating mechanism according to claim 1 and 2; It is characterized in that; Be equipped with the mounting hole (6) that said damping spring is installed on said worm gear (2), dynamic mount (3), the dynamic mount lid (4); Said damping spring is fixedly mounted in the mounting hole (6) of said worm gear (2), and simultaneously, damping spring also extends to respectively in the mounting hole (6) of dynamic mount (3) and dynamic mount lid (4); When rigging position, the interior dummy section of mounting hole (6) of the damping spring on said worm gear (2), dynamic mount (3), the dynamic mount lid (4) overlaps.
4. AMT shift-selecting and changing actuating mechanism according to claim 3; It is characterized in that; Be equipped with four damping spring mounting holes (6) on said worm gear (2), dynamic mount (3), the dynamic mount lid (4), said damping spring mounting hole (6) is evenly distributed on respectively on the circumferencial direction of said worm gear (2), dynamic mount (3), dynamic mount lid (4).
5. AMT shift-selecting and changing actuating mechanism according to claim 4 is characterized in that, said worm gear (2) is provided with kidney slot (11), and said kidney slot (11) is a through slot.
6. AMT shift-selecting and changing actuating mechanism according to claim 5 is characterized in that, said dynamic mount (3) is provided with columnar projections (10), and said dynamic mount (3) middle part is provided with axle sleeve, and said axle sleeve is fixedly connected with said gearshift axle (1) through said resilient key (8).
7. AMT shift-selecting and changing actuating mechanism according to claim 6; It is characterized in that; Said dynamic mount lid (4) is provided with the columnar projections mounting hole, and said dynamic mount lid (4) middle part is provided with gearshift axis hole (7), and the internal diameter of said gearshift axis hole (7) is greater than the external diameter of said gearshift axle (1).
8. AMT shift-selecting and changing actuating mechanism according to claim 7 is characterized in that, the columnar projections (10) on the said dynamic mount (3) cooperates with said columnar projections mounting hole back-off through the kidney slot (11) on the said worm gear (2).
9. AMT shift-selecting and changing actuating mechanism according to claim 8; It is characterized in that said dynamic mount (3), worm gear (2), dynamic mount lid (4) are connected successively, the power transmission line of said damper element does; Power is imported by said worm gear (2); Pass to damping spring through worm gear (2), pass to dynamic mount (3) and dynamic mount lid (4), pass to gearshift axle (1) by dynamic mount (3) at last by damping spring.
10. AMT shift-selecting and changing actuating mechanism according to claim 9 is characterized in that, is equipped with pilot hole on said dynamic mount (3) and the dynamic mount lid (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202962563U CN202349175U (en) | 2011-08-16 | 2011-08-16 | AMT (Automated mechanical transmission) gear selecting and shifting actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202962563U CN202349175U (en) | 2011-08-16 | 2011-08-16 | AMT (Automated mechanical transmission) gear selecting and shifting actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202349175U true CN202349175U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202962563U Expired - Fee Related CN202349175U (en) | 2011-08-16 | 2011-08-16 | AMT (Automated mechanical transmission) gear selecting and shifting actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202349175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305288A (en) * | 2011-08-15 | 2012-01-04 | 芜湖伯特利汽车安全系统有限公司 | Gear selecting and shifting actuating mechanism of AMT (automated mechanical transmission) |
-
2011
- 2011-08-16 CN CN2011202962563U patent/CN202349175U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305288A (en) * | 2011-08-15 | 2012-01-04 | 芜湖伯特利汽车安全系统有限公司 | Gear selecting and shifting actuating mechanism of AMT (automated mechanical transmission) |
| CN102305288B (en) * | 2011-08-15 | 2015-04-22 | 芜湖伯特利汽车安全系统有限公司 | Gear selecting and shifting actuating mechanism of AMT (automated mechanical transmission) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20150816 |
|
| EXPY | Termination of patent right or utility model |