CN109424742A - Gear shifting actuating mechanism for AMT speed changer - Google Patents
Gear shifting actuating mechanism for AMT speed changer Download PDFInfo
- Publication number
- CN109424742A CN109424742A CN201710791567.9A CN201710791567A CN109424742A CN 109424742 A CN109424742 A CN 109424742A CN 201710791567 A CN201710791567 A CN 201710791567A CN 109424742 A CN109424742 A CN 109424742A
- Authority
- CN
- China
- Prior art keywords
- main body
- shift
- shift fork
- fork main
- buffer stopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/3023—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3089—Spring assisted shift, e.g. springs for accumulating energy of shift movement and release it when clutch teeth are aligned
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/321—Gear shift yokes, e.g. shift forks characterised by the interface between fork body and shift rod, e.g. fixing means, bushes, cams or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a kind of gear shifting actuating mechanisms for AMT speed changer, mechanism includes shift driving device, shifting shaft, shift fork main body and synchronizer, shift fork main body connection synchronizer simultaneously realizes gear shift operation by synchronizer, it further include buffer stopper and buffer spring, shift fork body top face opens up U-lag and two end faces are equipped with boss, shift fork main body is equipped with along boss axis runs through through-hole, shifting shaft penetrate shift fork main body in the through-hole, buffer stopper is located in the U-lag of shift fork main body and penetrates shifting shaft, buffer stopper top surface connection shift driving device, buffer spring penetrates shifting shaft and between buffer stopper two sides and two end face of U-lag of shift fork main body, it is inserted in the boss of shift fork main body U-lag end face in one end of buffer spring.This executing agency overcomes the defect of conventional transmissions gear shifting structure, effectively reduces the impact of gear shift operation generation, optimizes the shift performance of speed changer, improve the comfort of gear shift operation, it is ensured that reliable, the safety of vehicle are driven.
Description
Technical field
The present invention relates to a kind of gear shifting actuating mechanisms for AMT speed changer.
Background technique
AMT speed changer is improved on the basis of traditional hand gear type speed changer, and AT and MT two have been integrated
The mechanical-electrical-hydraulic integration automatic transmission of person's advantage；AMT speed changer had not only had the advantages that common automatic transmission fluid drive, but also
Remain the strong point that gear-driven high-efficient, the at low cost, structure of former manual transmission is simple, easily manufactures.But AMT speed changer is simultaneously
Non-perfect, maximum disadvantage is exactly that performance of shifting gears is bad, and power interruption is also easy to produce in shift process, so that shift process
Middle extreme performance is bad.
As the important component during Mobile Power Transmission, the superiority and inferiority for performance of shifting gears has speed changer to impression is driven
It is direct to influence.With the development of science and technology, higher want is proposed for the shift speed of speed changer and shifting comfort
It asks.Usual selector fork is located on shifting shaft, is referred to stir by shifting shaft drive or shift and is completed gear shifting action.In hand gear
Under device application operating condition, gear lever leans on Manual-pushing, and driver adjusts gear shifting force size according to the actual situation when shift, belongs to flexibility
Driving；And under AMT speed changer application operating condition, gear shifting force is in hydraulic coupling, atmospheric pressure or motor driver, shift process
It is directly shifted gears with the gear shifting force of setting, and existing selector fork refers to Hard link with shifting shaft or shift in shift process,
Cause gear shifting force in shift process instantaneously excessive, synchronizer synchronizing process is also easy to produce impact, to influence the shift of AMT speed changer
Performance.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of gear shifting actuating mechanism for AMT speed changer, this execution
Mechanism overcomes the defect of conventional transmissions gear shifting structure, effectively reduces the impact of gear shift operation generation, optimizes changing for speed changer
Performance is kept off, the comfort of gear shift operation is improved, it is ensured that reliable, the safety of vehicle are driven.
In order to solve the above technical problems, the present invention for AMT speed changer gear shifting actuating mechanism include shift driving device,
Shifting shaft, shift fork main body and synchronizer, the shift fork main body connect the synchronizer and realize gear shift operation, the machine by synchronizer
Structure further includes buffer stopper and buffer spring, and the shift fork body top face opens up U-lag and is equipped in two end faces of U-lag convex
Platform, the shift fork main body is equipped with along boss axis runs through through-hole, the shifting shaft penetrate the shift fork main body in the through-hole,
The buffer stopper is located in the U-lag of the shift fork main body and penetrates the shifting shaft, changes described in the buffer stopper top surface connection
Driving device is kept off, the buffer spring penetrates the shifting shaft and is located at the U-shaped of the buffer stopper two sides and shift fork main body
Between two end faces of slot, the boss of the shift fork main body U-lag end face is inserted in one end of the buffer spring.
Further, the buffer stopper top surface is equipped with U-shaped allocating slot, and the shift driving device is connected by the U-shaped allocating slot
The buffer stopper.
Further, the compression length of the buffer spring is less than the length of the boss.
Further, the shift fork main body is fixedly connected with shifting shaft by pin hole and pin, and the buffer stopper passes through shift
Driving device drives edge shifting shaft moves in the U-lag of the shift fork main body.
Further, the buffer stopper is fixedly connected with shifting shaft by pin hole and pin, and the shift fork main body is along shifting shaft
Movement is simultaneously limited by the buffer stopper.
Further, the shifting shaft is fixed on the cabinet of AMT speed changer, and the shift fork main body and buffer stopper are along the shift
Axial displacement.
Further, the shift driving device is hydraulic drive unit, air pressure driving unit or electric-motor drive unit.
Since the present invention uses above-mentioned technical proposal for the gear shifting actuating mechanism of AMT speed changer, i.e. mechanism includes shift
Driving device, shifting shaft, shift fork main body and synchronizer, shift fork main body connection synchronizer simultaneously realize gear shift operation by synchronizer, also
Including buffer stopper and buffer spring, shift fork body top face opens up U-lag and two end faces are equipped with boss, and shift fork main body is along boss axis
Line, which is equipped with, runs through through-hole, shifting shaft penetrate shift fork main body in the through-hole, the U-lag that buffer stopper is located at shift fork main body is interior and wear
Enter shifting shaft, buffer stopper top surface connection shift driving device, buffer spring penetrate shifting shaft and be located at buffer stopper two sides with
Between two end faces of U-lag of shift fork main body, the boss of shift fork main body U-lag end face is inserted in one end of buffer spring.This execution
Mechanism overcomes the defect of conventional transmissions gear shifting structure, effectively reduces the impact of gear shift operation generation, optimizes changing for speed changer
Performance is kept off, the comfort of gear shift operation is improved, it is ensured that reliable, the safety of vehicle are driven.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:
Fig. 1 is the gear shifting actuating mechanism schematic diagram that the present invention is used for AMT speed changer；
Fig. 2 is shift fork main body, the connection schematic diagram of buffer stopper, buffer spring and shifting shaft in mechanism.
Specific embodiment
As depicted in figs. 1 and 2, the present invention for AMT speed changer gear shifting actuating mechanism include shift driving device 1, change
Gear shaft 2, shift fork main body 3 and synchronizer 6, the shift fork main body 3 connect the synchronizer 6 and realize gear shift operation by synchronizer 6,
Mechanism further includes buffer stopper 4 and buffer spring 5, and 3 top surface of shift fork main body opens up U-lag and two end faces in U-lag
Equipped with boss 31, the shift fork main body 3 is equipped with along 31 axis of boss runs through through-hole, and the shifting shaft 2 penetrates the shift fork main body 3
In the through-hole, the U-lag that the buffer stopper 4 is located at the shift fork main body 3 is interior and penetrate the shifting shaft 2, the buffering
4 top surface of block connects the shift driving device 1, and the buffer spring 5 penetrates the shifting shaft 2 and is located at the buffer stopper 4
Between two sides and two end faces of U-lag of shift fork main body 3, the shift fork main body 3U shape is inserted in one end of the buffer spring 5
The boss 31 of slot end face.
Preferably, 4 top surface of buffer stopper is equipped with U-shaped allocating slot, and the shift driving device 1 is connected by the U-shaped allocating slot
Connect the buffer stopper 4.Gear shifting force of the U-shaped allocating slot for reliable delivery shift driving device, so that buffer stopper is reliable along shifting shaft
It is mobile.
Preferably, the compression length of the buffer spring 5 is less than the length of the boss 31.When buffer stopper 4 is along shifting shaft 2
When the mobile boss 31 with shift fork main body 3 contacts, buffer spring 5 is not at limit compacted position, buffer stopper 4 and shift fork main body
Spacing between boss 31 is cushion stroke；In shift process, the size of gear shifting force depends on buffering elastic in cushion stroke
The length of spring 5 changes；When the elastic force of buffer spring 5 cannot achieve shift, buffer stopper 4 connects with shift fork main body boss 31 at this time
Touching applies maximum gear shifting force and realizes shift.
Preferably, the shift fork main body 3 is fixedly connected with shifting shaft 2 by pin hole 32 and pin 33, and the buffer stopper 4 is logical
Shift 1 drives edge shifting shaft 2 of driving device is crossed to move in the U-lag of the shift fork main body 3.Buffer stopper 4 is as actively at this time
Part transmits gear shifting force, and the U-shaped allocating slot of buffer stopper 4 receives the gear shifting force of the shift driving device 1 of side-to-side movement, passes through buffer spring
5 linear transmitting gear shifting forces to shift fork main body 3 and shifting shaft 2,2 synchronization action of shift fork main body 3 and shifting shaft drives synchronizer 6 dynamic
Make, completes shift process.
Preferably, the buffer stopper 4 is fixedly connected with shifting shaft 2 by pin hole 41 and pin 42,3 edge of shift fork main body
Shifting shaft 2 is mobile and is limited by the buffer stopper 4.Shifting shaft 2 is driving link transmitting gear shifting force at this time, and synchronous with buffer stopper 4
Movement, by buffer spring 5, linearly transmitting gear shifting force to shift fork main body 3, the movement of shift fork main body 3 drives synchronizer 6 to act, completes
Shift process.
Preferably, the shifting shaft 2 is fixed on the cabinet of AMT speed changer, and the shift fork main body 3 and buffer stopper 4 are along described
Shifting shaft 2 is displaced.Buffer stopper 4 and shift fork main body 3 can be moved left and right along shifting shaft 2 at this time, and buffer stopper 4 is still used as driving link
Gear shifting force is transmitted, the U-shaped allocating slot of buffer stopper 4 receives the gear shifting force of the shift driving device 1 of side-to-side movement, passes through buffer spring 5
Linear transmitting gear shifting force to shift fork main body 3, shift fork main body 3 acts, and drives synchronizer 6 to act, completes shift process.
Preferably, the shift driving device 1 is hydraulic drive unit, air pressure driving unit or electric-motor drive unit.
The gear shifting force for driving device of shifting gears in mechanism realizes transmitting, and shift fork master by buffer stopper and buffer spring
Body drives synchronizer movement, to realize gear shift operation, effectively reduces the impact of gear shift operation generation；Mechanism becomes for tradition
Fast device gearshift improves, and increases buffer structure, and traditional selector fork main body and the Hard link of its actuator are changed to
Elastic connection efficiently solves the instantaneous problems of too of gear shifting force during AMT shift of transmission, by the stress of selector fork main body
Be optimized for linear stress, reduce as gear shifting force it is instantaneous it is excessive caused by shift shock；Mechanism structure is simple simultaneously, arrangement
It is convenient, it is easy to apply, improves the comfort of gear shift operation, it is ensured that reliable, the safety of vehicle is driven.
Claims (7)
1. a kind of gear shifting actuating mechanism for AMT speed changer, including shift driving device, shifting shaft, shift fork main body with it is synchronous
Device, the shift fork main body connect the synchronizer and realize gear shift operation by synchronizer, it is characterised in that: further include buffer stopper and
Buffer spring, the shift fork body top face open up U-lag and are equipped with boss, shift fork main body edge in two end faces of U-lag
Boss axis, which is equipped with, runs through through-hole, the shifting shaft penetrate the shift fork main body in the through-hole, the buffer stopper is located at institute
The shifting shaft is stated in the U-lag of shift fork main body and penetrates, the buffer stopper top surface connects the shift driving device, described slow
It rushes spring and penetrates the shifting shaft and between the buffer stopper two sides and two end faces of U-lag of shift fork main body, institute
It is inserted in the boss of the shift fork main body U-lag end face in the one end for stating buffer spring.
2. the gear shifting actuating mechanism according to claim 1 for AMT speed changer, it is characterised in that: the buffer stopper top
Face is equipped with U-shaped allocating slot, and the shift driving device connects the buffer stopper by the U-shaped allocating slot.
3. the gear shifting actuating mechanism according to claim 1 or 2 for AMT speed changer, it is characterised in that: the buffering elastic
The compression length of spring is less than the length of the boss.
4. the gear shifting actuating mechanism according to claim 3 for AMT speed changer, it is characterised in that: the shift fork main body
It is fixedly connected with shifting shaft by pin hole and pin, the buffer stopper is by shift driving device drives edge shifting shaft at described group
It pitches and is moved in the U-lag of main body.
5. the gear shifting actuating mechanism according to claim 3 for AMT speed changer, it is characterised in that: the buffer stopper with
Shifting shaft is fixedly connected by pin hole with pin, and the shift fork main body is moved along shifting shaft and limited by the buffer stopper.
6. the gear shifting actuating mechanism according to claim 3 for AMT speed changer, it is characterised in that: the shifting shaft is solid
Due to the cabinet of AMT speed changer, the shift fork main body and buffer stopper are along the shift axial displacement.
7. being used for the gear shifting actuating mechanism of AMT speed changer according to claim 4,5 or 6, it is characterised in that: the shift
Driving device is hydraulic drive unit, air pressure driving unit or electric-motor drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710791567.9A CN109424742B (en) | 2017-09-05 | 2017-09-05 | Gear shifting actuating mechanism for AMT (automated mechanical Transmission) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710791567.9A CN109424742B (en) | 2017-09-05 | 2017-09-05 | Gear shifting actuating mechanism for AMT (automated mechanical Transmission) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109424742A true CN109424742A (en) | 2019-03-05 |
| CN109424742B CN109424742B (en) | 2021-01-01 |
Family
ID=65514027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710791567.9A Active CN109424742B (en) | 2017-09-05 | 2017-09-05 | Gear shifting actuating mechanism for AMT (automated mechanical Transmission) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109424742B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115943090A (en) * | 2020-04-30 | 2023-04-07 | 艾里逊变速箱公司 | Clutch structure of multi-motor mixed-speed continuous power transmission |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4449416A (en) * | 1981-09-04 | 1984-05-22 | J. I. Case Company | Transmission control system |
| US5460060A (en) * | 1994-07-27 | 1995-10-24 | Eaton Corporation | Transmission shifting mechanism with spring loaded ball screw |
| CN1127856A (en) * | 1994-08-04 | 1996-07-31 | 易通公司 | Spring-loaded shifter for transmission |
| DE102005040485A1 (en) * | 2004-08-26 | 2006-03-02 | Fuji Jukogyo K.K. | Switch gear for shift-gear transmission, has two helical springs placed between control linkage and operating lever and between linkage and flange, respectively to pre-stress lever when control linkage moves in axial direction |
| FR2956178A3 (en) * | 2010-02-11 | 2011-08-12 | Renault Sas | BILATERAL ASSISTED FORK FOR GEARBOX |
| CN103206529A (en) * | 2013-04-07 | 2013-07-17 | 无锡金田元丰科技股份有限公司 | Linear movement buffering type speed change control mechanism and automatic speed change device |
| CN204921958U (en) * | 2015-09-07 | 2015-12-30 | 重庆隆旺机电有限责任公司 | Fork assembly that shifts that steps down is obstructed |
-
2017
- 2017-09-05 CN CN201710791567.9A patent/CN109424742B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4449416A (en) * | 1981-09-04 | 1984-05-22 | J. I. Case Company | Transmission control system |
| US5460060A (en) * | 1994-07-27 | 1995-10-24 | Eaton Corporation | Transmission shifting mechanism with spring loaded ball screw |
| CN1127856A (en) * | 1994-08-04 | 1996-07-31 | 易通公司 | Spring-loaded shifter for transmission |
| DE102005040485A1 (en) * | 2004-08-26 | 2006-03-02 | Fuji Jukogyo K.K. | Switch gear for shift-gear transmission, has two helical springs placed between control linkage and operating lever and between linkage and flange, respectively to pre-stress lever when control linkage moves in axial direction |
| FR2956178A3 (en) * | 2010-02-11 | 2011-08-12 | Renault Sas | BILATERAL ASSISTED FORK FOR GEARBOX |
| CN103206529A (en) * | 2013-04-07 | 2013-07-17 | 无锡金田元丰科技股份有限公司 | Linear movement buffering type speed change control mechanism and automatic speed change device |
| CN204921958U (en) * | 2015-09-07 | 2015-12-30 | 重庆隆旺机电有限责任公司 | Fork assembly that shifts that steps down is obstructed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115943090A (en) * | 2020-04-30 | 2023-04-07 | 艾里逊变速箱公司 | Clutch structure of multi-motor mixed-speed continuous power transmission |
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| Publication number | Publication date |
|---|---|
| CN109424742B (en) | 2021-01-01 |
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