CN204061649U - Electro-pneumatic clutch actuator - Google Patents
Electro-pneumatic clutch actuator Download PDFInfo
- Publication number
- CN204061649U CN204061649U CN201420463999.9U CN201420463999U CN204061649U CN 204061649 U CN204061649 U CN 204061649U CN 201420463999 U CN201420463999 U CN 201420463999U CN 204061649 U CN204061649 U CN 204061649U
- Authority
- CN
- China
- Prior art keywords
- valve
- cylinder barrel
- piston
- clutch
- suction valve
- 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.)
- Active
Links
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a kind of electro-pneumatic clutch actuator, comprise cylinder, cylinder comprises cylinder barrel, slide in described cylinder barrel and be provided with piston, piston is provided with piston rod, cylinder barrel is provided with suction valve and bleed valve, suction valve is connected with high-pressure air source, cylinder barrel is divided into two chambers by piston, suction valve is communicated with bleed valve in the chamber not being provided with piston rod, cylinder barrel is connected with two-position three-way valve, two-position three-way valve comprises three interfaces, wherein first interface connects the cavity that cylinder barrel is provided with piston rod, second interface connects described high-pressure air source, 3rd interface is communicated with air, described suction valve, bleed valve is solenoid valve with two-position three-way valve and is connected with electronic control unit, by increasing a two-position three-way valve, can for providing pressurized gas in the chamber of piston cylinder bar side, improve the seating velocity of piston, thus clutch can be combined by the speed order of " fast-slow-fast ".
Description
Technical field
The utility model relates to the electro-pneumatic clutch actuator that a kind of clutch to automobile carries out automatically controlling.
Background technique
Automatic clutch improves on the basis of original dry clutch, by various sensor, take microprocessor as electronic control unit and the actuator composition of core, people need not automatically can complete clutch separation and in conjunction with action for trampling the complex operations such as clutch, automatic clutch system is as a part in AMT (electrical control automatic manual transmission case) system, its key and difficult point be starting and shift process in Clutch Control, especially the control of starting-up process clutch, when clutch need in conjunction with time, according to the relative position of clutch principal and subordinate Moving plate, clutch is successively through clutch master, driven disc does not contact, contact but be in sliding wear state and synchronous three phases, this three phases, clutch is preferably undertaken by the control strategy of " fast-slow-fast " in conjunction with speed, and existing electro-pneumatic clutch actuator be difficult to realize the phase III " soon " in conjunction with rate request, the separating mechanism of existing clutch adopts cylinder solenoidoperated cluthes, the side of cylinder is provided with the suction valve and bleed valve that are controlled by an electronic control unit, suction valve connects high-pressure air source, during suction valve ventilation, air pressure promotes the piston rod movement of cylinder, make clutch separation, clutch need in conjunction with time, open bleed valve, close suction valve, air pressure gradually becomes barometric pressure, the back motion of piston also under the reaction of clutch combination force, but along with the air pressure recovery normal pressure in cylinder, the reduction gradually of clutch reaction force, it is also more and more slower that clutch combines, under sliding wear state is in for clutch principal and subordinate Moving plate, the speed that clutch combines is slower, be conducive to protecting clutch, but as clutch master, driven disc synchronously time, main, the rotating speed of driven disc is synchronous, no longer sliding wear, the speed of a motor vehicle steadily improves with engine speed, therefore The faster the better in combination, shift speed can be improved, and current clutch control mechanism can not realize clutch combines faster in the phase III.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of electro-pneumatic clutch actuator, it can make clutch in conjunction with time carry out according to the order of " fast-slow-fast ".
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of electro-pneumatic clutch actuator, comprise the cylinder that driving clutch is separated, described cylinder comprises cylinder barrel, slide in described cylinder barrel and be provided with piston, described piston is provided with position transducer, described cylinder barrel is provided with suction valve and bleed valve, described suction valve is connected with high-pressure air source, cylinder barrel is divided into two chambers by described piston, described suction valve and bleed valve and be not provided with the chamber of piston rod, described cylinder barrel is connected with two-position three-way valve, described two-position three-way valve comprises three interfaces, wherein first interface connects the cavity that described cylinder barrel is provided with piston rod, second interface connects described high-pressure air source, 3rd interface is communicated with air, described suction valve, bleed valve and two-position three-way valve are solenoid valve, described position transducer, suction valve, bleed valve is all connected with electronic control unit with two-position three-way valve.
Owing to have employed technique scheme, during clutch separation, electronic control unit controls, by INO, bleed valve cuts out, the first interface of two-position three-way valve and the 3rd orifice, the cavity making cylinder barrel be provided with piston rod is communicated with air, pressurized gas promote piston and move, make clutch separation, when clutch need in conjunction with time, electronic control unit controls, in first stage and second stage, i.e. clutch master, driven disc does not touch and is in sliding wear state, electronic control unit controls suction valve and closes, bleed valve is opened, clutch in conjunction with speed from fast to slow, when clutch is in the phase III, when needing to accelerate in conjunction with speed, electronic control unit controls first interface and second orifice of two-position three-way valve, first interface and the 3rd interface will disconnect, the pressurized gas of high-pressure air source just enter cylinder barrel and are provided with in the cavity of piston rod, accelerate the return of piston, clutch is combined as early as possible, thus improve shift speed, position transducer can detect piston position, know which stage clutch is in this, the utility model structure is simple, original architecture basics adds a two-position three-way valve, by the program control of electronic control unit, achieve clutch combination to carry out according to " fast-slow-fast " order, cost is low.
As a kind of preferred version, be provided with preloading spring between described piston and cylinder barrel, described preloading spring is positioned at the side relative with piston rod.
As a kind of preferred version, described suction valve and bleed valve and described cylinder barrel become one.
As a kind of preferred version, described suction valve is provided with two, and described bleed valve is provided with two, can control the number that suction valve and bleed valve are open and close by electronic control unit, does some trickle adjustment with this to clutch in conjunction with speed.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment;
Fig. 3 is the structural representation of the utility model embodiment;
In figure: 1-clutch; 2-electronic control unit; 3-separator levers; 4-clutch push rod; 5-cylinder barrel; 6-piston; 7-preloading spring; 8-bleed valve; 9-exhaust port; 10-suction valve; 11-high-pressure air source; 12-two-position three-way valve.
Embodiment
As Fig. 1, Fig. 2 and Fig. 3 jointly shown in, a kind of electro-pneumatic clutch 1 actuator, comprise the cylinder that driving clutch 1 is separated, described cylinder comprises cylinder barrel 5, slide in described cylinder barrel 5 and be provided with piston 6, preloading spring 7 is provided with between piston 6 and cylinder barrel 5, described preloading spring 7 is positioned at the side relative with piston rod, by preloading spring 7 when piston 6 return, buffer function can be played, piston rod end is connected with clutch push rod 4, clutch push rod 4 is connected with separator levers 3, separator levers 3 connects clutch 1, piston 6 is provided with position transducer (not shown), cylinder barrel 5 is provided with suction valve 10 and bleed valve 8, suction valve 10 is connected with high-pressure air source 11, cylinder barrel 5 is provided with the exhaust port 9 being communicated with bleed valve 8, cylinder barrel 5 is divided into two chambers by piston 6, suction valve 10 is communicated with in the chamber not being provided with piston rod with bleed valve 8, cylinder barrel 5 is connected with two-position three-way valve 12, described two-position three-way valve 12 comprises three interfaces, wherein first interface connects the cavity that described cylinder barrel 5 is provided with piston rod, second interface connects described high-pressure air source 11, 3rd interface is communicated with air, described suction valve 10, bleed valve 8 and two-position three-way valve 12 are solenoid valve, position transducer, suction valve 10, bleed valve 8 is all connected with electronic control unit 2 with two-position three-way valve 12.
As one preferred embodiment, suction valve 10 and bleed valve 8 become one with described cylinder barrel 5.
As one preferred embodiment, described suction valve 10 is provided with two, and described bleed valve 8 is provided with two, by opening different numbers, can finely tune the advance of piston 6, seating velocity.
When clutch 1 needs to be separated, as shown in Figure 1, electronic control unit 2 controls, suction valve 10 is opened, bleed valve 8 cuts out, the first interface of two-position three-way valve 12 and the 3rd orifice, the cavity making cylinder barrel 5 be provided with piston rod is communicated with air, pressurized gas promote piston 6 and move, piston 6 promotes clutch push rod 4, clutch push rod 4 promotes separator levers 3, separator levers 3 makes clutch 1 be separated, when clutch 1 need in conjunction with time, electronic control unit 2 controls, as shown in Figure 2, in first stage and second stage, namely clutch 1 is main, driven disc does not contact with clutch 1 main, when driven disc is in sliding wear state, electronic control unit 2 controls suction valve 10 and closes, bleed valve 8 is opened, clutch 1 in conjunction with speed from fast to slow, first interface and the 3rd interface of two-position three-way valve 12 are still in connected state, when clutch 1 is in the phase III, when needing to accelerate in conjunction with speed, as shown in Figure 3, electronic control unit 2 controls first interface and second orifice of two-position three-way valve 12, first interface and the 3rd interface will disconnect, the pressurized gas of high-pressure air source 11 just enter cylinder barrel 5 and are provided with in the cavity of piston rod, accelerate the return of piston 6, clutch 1 is accelerated in conjunction with speed, thus improve shift speed, position transducer can detect piston 6 position, according to the order of each solenoid valve opening and closing of positioning control of piston 6, the utility model structure is simple, original architecture basics adds a two-position three-way valve 12, by the program control of electronic control unit 2, achieve clutch 1 to combine and carry out according to " fast-slow-fast " order, easy to use and cost is lower.
Claims (4)
1. electro-pneumatic clutch actuator, comprise the cylinder that driving clutch is separated, described cylinder comprises cylinder barrel (5), slide in described cylinder barrel (5) and be provided with piston (6), described piston (6) is provided with position transducer, described cylinder barrel (5) is provided with suction valve (10) and bleed valve (8), described suction valve (10) is connected with high-pressure air source (11), cylinder barrel (5) is divided into two chambers by described piston (6), described suction valve (10) and bleed valve (8) and the chamber not being provided with piston rod, it is characterized in that: described cylinder barrel (5) is connected with two-position three-way valve (12), described two-position three-way valve (12) comprises three interfaces, wherein first interface connects the cavity that described cylinder barrel (5) is provided with piston rod, second interface connects described high-pressure air source (11), 3rd interface is communicated with air, described suction valve (10), bleed valve (8) and two-position three-way valve (12) are solenoid valve, described position transducer, suction valve (10), bleed valve (8) is all connected with electronic control unit with two-position three-way valve (12).
2. electro-pneumatic clutch actuator as claimed in claim 1, it is characterized in that: be provided with preloading spring (7) between described piston (6) and cylinder barrel (5), described preloading spring (7) is positioned at the side relative with piston rod.
3. electro-pneumatic clutch actuator as claimed in claim 1, is characterized in that: described suction valve (10) and bleed valve (8) become one with described cylinder barrel (5).
4. electro-pneumatic clutch actuator as claimed in claim 1, it is characterized in that: described suction valve (10) is provided with two, described bleed valve (8) is provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463999.9U CN204061649U (en) | 2014-08-16 | 2014-08-16 | Electro-pneumatic clutch actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463999.9U CN204061649U (en) | 2014-08-16 | 2014-08-16 | Electro-pneumatic clutch actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061649U true CN204061649U (en) | 2014-12-31 |
Family
ID=52203171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420463999.9U Active CN204061649U (en) | 2014-08-16 | 2014-08-16 | Electro-pneumatic clutch actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061649U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763301A (en) * | 2016-12-20 | 2017-05-31 | 安徽兴林机械集团有限公司 | A kind of pneumatic clutch automatic flexible starter |
| CN110273939A (en) * | 2019-06-30 | 2019-09-24 | 潍柴动力股份有限公司 | Pneumatic clutch and pneumatic clutch control system with it |
| CN110985565A (en) * | 2019-12-31 | 2020-04-10 | 潍柴动力股份有限公司 | Method and device for controlling pneumatic clutch |
| CN111911571A (en) * | 2020-08-19 | 2020-11-10 | 潍柴动力股份有限公司 | Clutch wear degree detection method and device, controller and vehicle |
| CN112576658A (en) * | 2020-12-18 | 2021-03-30 | 陕西法士特齿轮有限责任公司 | Air path control system and control method of AMT brake |
-
2014
- 2014-08-16 CN CN201420463999.9U patent/CN204061649U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763301A (en) * | 2016-12-20 | 2017-05-31 | 安徽兴林机械集团有限公司 | A kind of pneumatic clutch automatic flexible starter |
| CN110273939A (en) * | 2019-06-30 | 2019-09-24 | 潍柴动力股份有限公司 | Pneumatic clutch and pneumatic clutch control system with it |
| CN110985565A (en) * | 2019-12-31 | 2020-04-10 | 潍柴动力股份有限公司 | Method and device for controlling pneumatic clutch |
| CN110985565B (en) * | 2019-12-31 | 2021-06-18 | 潍柴动力股份有限公司 | Method and device for controlling pneumatic clutch |
| CN111911571A (en) * | 2020-08-19 | 2020-11-10 | 潍柴动力股份有限公司 | Clutch wear degree detection method and device, controller and vehicle |
| CN111911571B (en) * | 2020-08-19 | 2022-04-26 | 潍柴动力股份有限公司 | Clutch wear degree detection method and device, controller and vehicle |
| CN112576658A (en) * | 2020-12-18 | 2021-03-30 | 陕西法士特齿轮有限责任公司 | Air path control system and control method of AMT brake |
| CN112576658B (en) * | 2020-12-18 | 2022-06-10 | 陕西法士特齿轮有限责任公司 | Air path control system and control method of AMT brake |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204061649U (en) | Electro-pneumatic clutch actuator | |
| CN108757604B (en) | The vehicle block selecting automatic traveling crane system and working method of main controller controls | |
| CN104315138B (en) | A kind of control method of dual-clutch transmission gear shifting actuating mechanism | |
| CN105782424B (en) | Tractor speed changer ecp gearshift | |
| CN109780199A (en) | A kind of commercial vehicle automatic mechanical type gearbox brake system and brake control method | |
| CN106121831A (en) | The throttle of a kind of vehicle, gear, exhaust brake combined control system | |
| CN103382969B (en) | The pneumatic gyropilot of vehicular clutch | |
| CN110094437B (en) | Clutch displacement control hysteresis elimination method | |
| CN102135143A (en) | Pure aerodynamic AMT clutch control system | |
| CN100554052C (en) | Electric control vacuum booster and control method | |
| CN110462224A (en) | The method of the actuator and control actuator of automatic gearbox or automatic transmission | |
| CN106194442A (en) | The throttle of a kind of vehicle, gear, exhaust brake combination control method | |
| CN103496364A (en) | Pre-brake type vacuum booster and belt brake master cylinder assembly thereof | |
| CN204437114U (en) | A kind of passenger vehicle electric control clutch piece-rate system | |
| CN201221579Y (en) | Electric control pneumatic clutch booster device | |
| CN101280811B (en) | Electric-controlled pneumatic type clutch booster unit and operating method thereof | |
| CN203322099U (en) | AMT gearbox clutch pneumatic actuating mechanism | |
| CN105387196B (en) | A kind of semi-automatic transmission steerable system and automobile | |
| CN103291958A (en) | Three-position four-way valve and braking system with same | |
| CN202646467U (en) | Automatic control system for automobile clutch | |
| CN202579713U (en) | Pneumatic double-clutch actuating mechanism | |
| CN101426675B (en) | A vacuum assist pump system | |
| CN103542016B (en) | A kind of normally open clutch actuator and control system and controlling method | |
| CN102756638A (en) | Clutch control system with limp function and passenger car using clutch control system | |
| CN202833748U (en) | Electric control automatic clutch drive mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |