CN103527741A - Combined clutch of automotive AMT (Automated Mechanical Transmission) - Google Patents
Combined clutch of automotive AMT (Automated Mechanical Transmission) Download PDFInfo
- Publication number
- CN103527741A CN103527741A CN201310528433.XA CN201310528433A CN103527741A CN 103527741 A CN103527741 A CN 103527741A CN 201310528433 A CN201310528433 A CN 201310528433A CN 103527741 A CN103527741 A CN 103527741A
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- China
- Prior art keywords
- clutch
- fluid coupling
- overrunning clutch
- friction clutch
- turbine
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- 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.)
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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
- F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
- F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
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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
- F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
- F16H2045/007—Combinations of fluid gearings for conveying rotary motion with couplings or clutches comprising a damper between turbine of the fluid gearing and the mechanical gearing unit
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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
- F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
- F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
- F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention relates to a combined clutch of an automotive AMT (Automated Mechanical Transmission). The combined clutch of the automotive AMT comprises a housing, an engine power output shaft, a gear transmission input shaft, a hydraulic transmission device and a one-way clutch; the hydraulic transmission device is a hydraulic torque converter with a locking device or the hydraulic transmission device is a device which is formed by a hydraulic coupling and a friction clutch A; a pump wheel and a turbine of the hydraulic coupling can be locked into a whole through the friction clutch A; the engine power output shaft is connected with the hydraulic transmission device; the hydraulic transmission device is connected with the one-way clutch; the one-way clutch is connected with the gear transmission input shaft and provided with a friction clutch B; an inner ring and an outer ring of the one-way clutch can be locked into a whole through the friction clutch B. According to the combined clutch of the automotive AMT, an automobile can start smoothly, the problem that impact on shifting is caused by power interruption in the process of the shifting of the automobile is solved, the structure is simple, the cost is low, and the wide popularization and application can be convenient.
Description
Technical field
The present invention relates to a kind of clutch, particularly a kind of combined clutch of automobile AMT automatic transmission case.
Background technique
On manual-gear vehicle basis, install the automatic transmission case of micro computer automatic gear shift apparatus additional, be called for short AMT.Compare the advantage such as it is fuel-efficient that AMT has transmission efficiency height, and cost of production simple in structure is low, easy to maintenance with other automatic gearbox of vehicles.But the shortcoming of AMT maximum is, very big to the control difficulty of dry friction clutch, cause the starting smoothness of automobile poor, shift process power interruption causes gearshift to have impact (having pause and transition in rhythm or melody sense), affects the driving comfort of automobile, has hindered the extensive use of AMT.
Current disclosed notification number for " CN201443584 " although patent in also used fluid coupling and overrunning clutch to solve the problem of vehicle starting difficulty and self shifter difficulty, but it can well not overcome the poor and shift process power interruption of the starting smoothness of automobile and cause gearshift to have the problems such as impact, the power transfer path of this patent is: motor, dry friction clutch, speed-changing gear box input shaft; For 2,3,4,5 gears, transmission of power is 2,3,4,5 gear driving gears, 2,3,4,5 gear driven gears, output shaft of gear-box.Visible, for 2,3,4,5 gears, its dry friction clutch is still automobile power main switch, like this design or and originally AMT automatic transmission case without any difference, still can not effectively solve the shock problem of gearshift.One gear of this patent and the power transfer path of reversing gear are: power passes to after gearbox input shaft, through overrunning clutch, arrive again fluid coupling, after coupler, also connect one one gear overrunning clutch, though it is smooth-going to make like this to start to walk, but 2 overrunning clutchs in the front and back of coupler, have been shared, complex structure is unnecessary, and role is limited, is arranged on these 2 positions and impacts without any help eliminating gearshift.The overrunning clutch of this patent is also without locking protective gear, and the rotating speed of motor car engine is sometimes fast and sometimes slow, very large to the impact of these 2 overrunning clutchs, is easy to damage.And in patent, there is no turbine braking device, hung a gear and hung while reversing gear by neutral by neutral, beat tooth phenomenon serious, gear easily damages.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of combined clutch of automobile AMT automatic transmission case is provided, to solve the poor and shift process power interruption of the starting smoothness of automobile, causes gearshift to have the problems such as impact, overcome the deficiencies in the prior art.
The technological scheme solving the problems of the technologies described above is: a kind of combined clutch of automobile AMT automatic transmission case, comprise housing, engine power output shaft and speed-changing gear box input shaft, this combined clutch also comprises dydraudynamic drive unit and overrunning clutch, described dydraudynamic drive unit is the fluid torque converter of locking device or for by fluid coupling and the device that the pump impeller I of fluid coupling and turbine I locking all-in-one-piece friction clutch A can be formed, described engine power output shaft is connected with dydraudynamic drive unit, described dydraudynamic drive unit is connected with overrunning clutch, described overrunning clutch is connected with speed-changing gear box input shaft, on described overrunning clutch, being provided with can be by overrunning clutch, outer ring locking all-in-one-piece friction clutch B.
Further technological scheme of the present invention is: described friction clutch B is arranged between the inner ring and outer ring of overrunning clutch, the platen of this friction clutch B is connected with overrunning clutch outer ring, the driven friction disk of friction clutch B is connected with overrunning clutch inner ring, and the inner ring of described overrunning clutch is connected with speed-changing gear box input shaft.
Described dydraudynamic drive unit is the device being comprised of fluid coupling and friction clutch A, described friction clutch A is arranged on the shell of fluid coupling, the platen of this friction clutch A is fixedly connected with shell of hydraulic coupling, the pto＝power take-off of the driven friction disk of friction clutch A and fluid coupling turbine I passes through spline joint, described engine power output shaft is connected with the shell of fluid coupling, be that engine power output shaft is connected with the pump impeller I of fluid coupling, the turbine I of described fluid coupling is connected with the outer ring of overrunning clutch.
Described dydraudynamic drive unit is the fluid torque converter of locking device, described engine power output shaft is connected with the shell of fluid torque converter, be that engine power output shaft is connected with the pump impeller II of fluid torque converter, the turbine II of described fluid torque converter is connected with the outer ring of overrunning clutch.
On described fluid coupling or the turbine shaft of fluid torque converter, turbine brake strip is installed.
Owing to adopting technique scheme, the combined clutch of the present invention's automobile AMT automatic transmission case is compared with existing clutch, has following beneficial effect:
1. in the present invention, on fluid coupling, being provided with can be by the pump impeller of fluid coupling and turbine locking all-in-one-piece friction clutch A, by control friction clutch A " from " " closing ", the pump impeller of fluid coupling and turbine can be locked into one.During starting, friction clutch A is separated, makes by fluid coupling, to connect between motor and gearbox, by original being rigidly connected, having been become and has been flexible coupling, and in power transmission process, fluid coupling plays buffer function, makes the smooth-going starting of automobile; While running at high speed, friction clutch A engages, and realizes the transmission of power 100%, reduces energy loss, and the present invention also has above-mentioned effect while using the fluid torque converter of locking device.
2. in the present invention, overrunning clutch is installed, the power of motor all passes through overrunning clutch, is all subject to the control of overrunning clutch, so all gearshifts of automobile are impacted and can be eliminated.Friction clutch B is installed on described overrunning clutch, this friction clutch B can be integral the inside and outside circle locking of overrunning clutch, make overrunning clutch become two-way power transmission by unidirectional power transmission, thereby make automobile when skidding, can utilize the motor braking that creates a diversion, improve traffic safety; Also can avoid the rotation speed change of motor to impact overrunning clutch, damage overrunning clutch, overrunning clutch is shielded simultaneously.
3. turbine brake strip is installed on the turbine shaft of fluid coupling or fluid torque converter in the present invention; this turbine brake strip can avoid the gear of automobile speed-changing gear box when being hung a gear by neutral or reversing gear to beat tooth phenomenon, and gearbox is played to good protective action.
4. power transfer path of the present invention is: motor, dydraudynamic drive unit, overrunning clutch, gearbox input shaft.So not only can make vehicle starting smooth-going, can also solve automobile and cause gearshift to have the problem of impact in shift process power interruption, the present invention is simple in structure, and cost is low, is convenient to extensively promote the use of.
Below, in conjunction with Figure of description and specific embodiment, the technical characteristics of the combined clutch of the present invention's automobile AMT automatic transmission case is further described.
Accompanying drawing explanation
Fig. 1: the structural representation of the combined clutch of automobile AMT automatic transmission case in embodiment one.
Fig. 2: the structural representation of the combined clutch of automobile AMT automatic transmission case in embodiment two.
In above-mentioned accompanying drawing, each label declaration is as follows:
1-housing, 2-engine power output shaft, 3-speed-changing gear box input shaft, 4-fluid coupling, 41-turbine I, 42-pump impeller I, 5-friction clutch A, 6-friction clutch B, 7-overrunning clutch, 8-turbine brake strip, 9-AMT ECU (Electrical Control Unit), 10-bearing, 11-fluid torque converter, 111-turbine II, 112-pump impeller II, 12-speed-changing gear box, 13-guide wheel.
Embodiment
Embodiment one: a kind of combined clutch of automobile AMT automatic transmission case, comprise housing 1, engine power output shaft 2, speed-changing gear box input shaft 3, fluid coupling 4 and overrunning clutch 7, described overrunning clutch 7 is arranged on speed-changing gear box input shaft 3 by bearing 10, described engine power output shaft 2 is connected with the shell of fluid coupling 4, be that engine power output shaft 2 is connected with the pump impeller I 42 of fluid coupling 4, the turbine I 41 of described fluid coupling 4 is connected with the outer ring of overrunning clutch 7, the inner ring of described overrunning clutch 7 is connected with speed-changing gear box input shaft 3.On described fluid coupling 4, being provided with can be by the pump impeller I 42 of fluid coupling 4 and turbine I 41 locking all-in-one-piece friction clutch A5, this friction clutch A5 is arranged on the shell of fluid coupling 4, the platen of this friction clutch A5 is fixedly connected with fluid coupling 4 shells, and the pto＝power take-off of the driven friction disk of this friction clutch A5 and fluid coupling 4 turbine I 41 passes through spline joint.On described overrunning clutch 7, being provided with can be by the inside and outside circle locking all-in-one-piece friction clutch B6 of overrunning clutch 7, described friction clutch B6 is arranged between the inner ring and outer ring of overrunning clutch 7, the platen of this friction clutch B6 is connected with overrunning clutch 7 outer rings, and the driven friction disk of this friction clutch B6 is connected with overrunning clutch 7 inner rings.On the turbine shaft of described fluid coupling 4, turbine brake strip 8 is installed.
Embodiment two: a kind of combined clutch of automobile AMT automatic transmission case, comprise housing 1, engine power output shaft 2, speed-changing gear box input shaft 3, the fluid torque converter 11 of locking device and overrunning clutch 7, described overrunning clutch 7 is arranged on speed-changing gear box input shaft 3 by bearing 10, the pressure oil liquid that Locking Device in described fluid torque converter 11 is provided by oil pump is controlled locking, the pipeline of pressure oil liquid is provided with a fluid sink, described engine power output shaft 2 is connected with the shell of fluid torque converter 11, be that engine power output shaft 2 is connected with the pump impeller II 112 of fluid torque converter 11, the turbine II 111 of described fluid torque converter 11 is connected with the outer ring of overrunning clutch 7, the inner ring of described overrunning clutch 7 is connected with speed-changing gear box input shaft 3.On described overrunning clutch 7, being provided with can be by the inside and outside circle locking all-in-one-piece friction clutch B6 of overrunning clutch 7, described friction clutch B6 is arranged between the inner ring and outer ring of overrunning clutch 7, the platen of this friction clutch B6 is connected with overrunning clutch 7 outer rings, and the driven friction disk of this friction clutch B6 is connected with overrunning clutch 7 inner rings.On the turbine shaft of described fluid torque converter 11, turbine brake strip 8 is installed.
Each component in the present invention are controlled by AMT ECU (Electrical Control Unit) 9.
Working procedure of the present invention:
Before vehicle starting, automobile suspension enters neutral, the speed of a motor vehicle is zero, the automobile engine start that switches on power, during vehicle starting, it is separated that micro computer (AMT ECU (Electrical Control Unit)) is controlled friction clutch A, the turbine shaft braking of turbine brake strip to fluid coupling, and allow speed-changing gear box hang up a gear by neutral, hang into a gear and discharge afterwards the braking of turbine brake strip to turbine shaft.Because fluid coupling has " soft " linkage function, open out just can make the smooth-going starting of automobile, and after the speed of a motor vehicle that started to walk accelerates, friction clutch A engages, and coupling pump impeller and turbine locking are integral, and realizes power 100% and transmits.Reverse gear shift process too.In running process, micro computer hangs up corresponding gear according to the speed of a motor vehicle and throttle position.During gearshift, as long as microcomputerized control friction clutch B is separated, throttle reduces, and can put into gear, and gearshift completes, and throttle recovers origin-location, and friction clutch B engages can complete gearshift.Because overrunning clutch has unidirectional power transmission function, as long as friction clutch B rejoins after throttle recovers origin-location slightly lentamente, just there will not be any gearshift to impact.Improve the shift quality of automobile.During skidding, when the speed of a motor vehicle is lower than a certain numerical value, friction clutch A is separated, can cannot not realize flame-outly parking, then changes neutral.
Claims (5)
1. the combined clutch of an automobile AMT automatic transmission case, comprise housing (1), engine power output shaft (2) and speed-changing gear box input shaft (3), it is characterized in that: this combined clutch also comprises dydraudynamic drive unit and overrunning clutch (7), described dydraudynamic drive unit be locking device fluid torque converter (11) or for by fluid coupling (4) with can be by the pump impeller I (42) of fluid coupling (4) and turbine I (41) locking all-in-one-piece friction clutch A(5) device that forms, described engine power output shaft (2) is connected with dydraudynamic drive unit, described dydraudynamic drive unit is connected with overrunning clutch (7), described overrunning clutch (7) is connected with speed-changing gear box input shaft (3), on described overrunning clutch (7), being provided with can be by overrunning clutch (7), outer ring locking all-in-one-piece friction clutch B(6).
2. the combined clutch of automobile AMT automatic transmission case according to claim 1, it is characterized in that: described friction clutch B(6) be arranged between the inner ring and outer ring of overrunning clutch (7), this friction clutch B(6) platen is connected with overrunning clutch (7) outer ring, friction clutch B(6) driven friction disk is connected with overrunning clutch (7) inner ring, and the inner ring of described overrunning clutch (7) is connected with speed-changing gear box input shaft (3).
3. the combined clutch of automobile AMT automatic transmission case according to claim 2, it is characterized in that: described dydraudynamic drive unit is for by fluid coupling (4) and friction clutch A(5) device that forms, described friction clutch A(5) be arranged on the shell of fluid coupling (4), this friction clutch A(5) platen is fixedly connected with fluid coupling (4) shell, the pto＝power take-off of driven friction disk friction clutch A(5) and fluid coupling (4) turbine I (41) passes through spline joint, described engine power output shaft (2) is connected with the shell of fluid coupling (4), be that engine power output shaft (2) is connected with the pump impeller I (42) of fluid coupling (4), the turbine I (41) of described fluid coupling (4) is connected with the outer ring of overrunning clutch (7).
4. the combined clutch of automobile AMT automatic transmission case according to claim 2, it is characterized in that: described dydraudynamic drive unit is the fluid torque converter (11) of locking device, described engine power output shaft (2) is connected with the shell of fluid torque converter (11), be that engine power output shaft (2) is connected with the pump impeller II (112) of fluid torque converter (11), the turbine II (111) of described fluid torque converter (11) is connected with the outer ring of overrunning clutch (7).
5. according to the combined clutch of the automobile AMT automatic transmission case described in the arbitrary claim of claim 1-4, it is characterized in that: on the turbine shaft of described fluid coupling (4) or fluid torque converter (11), turbine brake strip (8) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528433.XA CN103527741A (en) | 2013-10-31 | 2013-10-31 | Combined clutch of automotive AMT (Automated Mechanical Transmission) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528433.XA CN103527741A (en) | 2013-10-31 | 2013-10-31 | Combined clutch of automotive AMT (Automated Mechanical Transmission) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103527741A true CN103527741A (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310528433.XA Pending CN103527741A (en) | 2013-10-31 | 2013-10-31 | Combined clutch of automotive AMT (Automated Mechanical Transmission) |
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| Country | Link |
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| CN (1) | CN103527741A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696470A (en) * | 2015-03-10 | 2015-06-10 | 贵州凯星液力传动机械有限公司 | Hydraulic transmission device with reversing mechanism |
| WO2019042277A1 (en) * | 2017-08-30 | 2019-03-07 | 日本电产东测（浙江）有限公司 | Hydraulic control device and power transmission control device |
| CN109863332A (en) * | 2016-11-01 | 2019-06-07 | 博格华纳公司 | The torque-converters with one-way clutch for automatic transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0979346A (en) * | 1995-09-12 | 1997-03-25 | Exedy Corp | Automatic transmission |
| US5857934A (en) * | 1996-07-11 | 1999-01-12 | Exedy Corporation | Automatic transmission apparatus with torque convertor planetary gear mechanism |
| CN1207350A (en) * | 1997-01-29 | 1999-02-10 | 倪高松 | Fluid drive method and device for car |
| CN201443584U (en) * | 2009-06-08 | 2010-04-28 | 常宝辉 | Automatic gearbox for vehicle |
| CN203604572U (en) * | 2013-10-31 | 2014-05-21 | 张耀新 | Combined type clutch of automobile AMT |
-
2013
- 2013-10-31 CN CN201310528433.XA patent/CN103527741A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0979346A (en) * | 1995-09-12 | 1997-03-25 | Exedy Corp | Automatic transmission |
| US5857934A (en) * | 1996-07-11 | 1999-01-12 | Exedy Corporation | Automatic transmission apparatus with torque convertor planetary gear mechanism |
| CN1207350A (en) * | 1997-01-29 | 1999-02-10 | 倪高松 | Fluid drive method and device for car |
| CN201443584U (en) * | 2009-06-08 | 2010-04-28 | 常宝辉 | Automatic gearbox for vehicle |
| CN203604572U (en) * | 2013-10-31 | 2014-05-21 | 张耀新 | Combined type clutch of automobile AMT |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696470A (en) * | 2015-03-10 | 2015-06-10 | 贵州凯星液力传动机械有限公司 | Hydraulic transmission device with reversing mechanism |
| CN104696470B (en) * | 2015-03-10 | 2019-02-26 | 贵州凯星液力传动机械有限公司 | A kind of hydraulic transmission system with reversing mechanism |
| CN109863332A (en) * | 2016-11-01 | 2019-06-07 | 博格华纳公司 | The torque-converters with one-way clutch for automatic transmission |
| CN109863332B (en) * | 2016-11-01 | 2022-07-08 | 博格华纳公司 | Torque converter with one-way clutch for automatic transmission |
| WO2019042277A1 (en) * | 2017-08-30 | 2019-03-07 | 日本电产东测（浙江）有限公司 | Hydraulic control device and power transmission control device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20140122 |