CN201521565U - Clutch control device - Google Patents
Clutch control device Download PDFInfo
- Publication number
- CN201521565U CN201521565U CN2009202786615U CN200920278661U CN201521565U CN 201521565 U CN201521565 U CN 201521565U CN 2009202786615 U CN2009202786615 U CN 2009202786615U CN 200920278661 U CN200920278661 U CN 200920278661U CN 201521565 U CN201521565 U CN 201521565U
- Authority
- CN
- China
- Prior art keywords
- piston
- clutch control
- control device
- channel
- clutch
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model relates to a clutch control device, in particular to a clutch separating and combining device of a vehicle adopting a mechanical type automatic transmission (AMT), comprising a piston and a cylinder, wherein the piston is arranged in a piston channel in the cylinder; one end of the piston is connected with a clutch control rod by a linkage device; the piston channel comprises a thin-diameter section and a thick-diameter section; the piston comprises a thin-diameter end and a thick-diameter end, between which an inward-concave arc-shaped section is arranged; the cylinder is provided with a cable displacement sensor and is contacted with the inward-concave arc-shaped section; an oil chamber is formed between the thin-diameter end of the piston and the top end of the piston channel; the cylinder is provided with an oil inlet channel communicated with the oil chamber; and the oil inlet channel is internally provided with an electromagnetic valve. By using the scheme, a clutch control device with compact structure, easy processing and installation and high control precision is formed, solves the impact sensitivity caused by rigidity of mechanical power, and provides a good solution for the system design of the mechanical type automatic transmission (AMT).
Description
Technical field
The utility model relates to a kind of vehicular clutch control gear, is specifically related to the clutch separation and the combination apparatus of a kind of employing automatic mechanical transmission (AMT) vehicle.
Background technique
Along with developing of automobile industry, automatic mechanical transmission (AMT) becomes the important directions that the speed changer technology is advanced, and in the automatic improving process of the especially domestic manual transmissions of equipping in a large number on heavy load truck, plays a part very important.
Automatic mechanical transmission (AMT) is on the basis of conventional fixed axis transmission and clutch, application electric technology and automatic speed changing theory, with electronic control unit (ECU) is core, separation by the hydraulic executing system solenoidoperated cluthes with engage, the adjusting of shifting operation and engine throttle, realize the automatic manipulation that starts to walk, shifts gears.
The basic thought of automatic mechanical transmission (AMT) control is: electronic control unit (ECU) is according to driver's the intention (accelerator pedal, brake petal, the block selecting switching position etc.) and the state (engine speed, input shaft rotating speed, the speed of a motor vehicle, gear) of vehicle, according to the rule of setting (schedule, clutch rule etc.), by means of corresponding actuator (fuel feeding control executing mechanism, shift-selecting and changing actuating mechanism, clutch separation and joint actuator), the power transmission system (motor, clutch, speed changer) of vehicle is carried out united control.
Clutch control device and controlling method are as the core technology of automatic mechanical transmission (AMT) system, controlling performance to automatic mechanical transmission (AMT) system plays decisive role, clutch is in conjunction with shock extent when how to reduce gear shift, and improve the gear shift smoothness is the problem that each research and development department's emphasis solves all the time.Present existing patent mostly is pneumatic and electronic clutch actuating mechanism, the patent No. as Dong Feng Auto Corporation's application is " clutch actuating mechanism of automatic mechanical speed variator " patent of ZL200420058088.4, disclose and a kind ofly utilized separation that motor, worm screw, gear realize clutch and engage, the wherein clockwise and anticlockwise of the clockwise and anticlockwise driven gear of motor, and then the automatic speed changing of realization vehicle, this device has adopted motor, increased cost, and the shock extent of worm screw clutch combination when still not eliminating gear shift.
The patent No. is " ZL200720093445.4 ", name is called the patent of " automatic transmission case clutch executive system ", a kind of structure that is combined by motor, gear, master cylinder, wheel cylinder etc. is disclosed, two control system are according to the signal of the sensor in the device, control driven by motor master cylinder, wheel cylinder motion, realize the separation of clutch, this apparatus structure complexity, functional unit are many, are unfavorable for the repacking of vehicle.
The model utility content
Shock extent when reducing the clutch shift of existing machinery formula automatic transmission (AMT) vehicle and the smoothness when improving its gear shift.It is a kind of simple in structure that the utility model provides, control accurately, be easy to the hydraulic clutch control gear of installation and processing, concrete scheme is as follows: a kind of clutch control device, comprise piston and cylinder body, described piston is installed in the interior piston channel of cylinder body, described piston one end links to each other with clutch control lever by continuous action device, its improvement is, described piston channel comprises thin diameter section and wide section, described piston comprises thin footpath end and wide diameter end, the section of having indent arcuate segment between thin footpath end and the wide diameter end, linear movement pick-up is installed on the described cylinder body and contacts with the indent arcuate segment of described piston, form oil-in chamber between the top of described piston thin footpath end and piston channel, there is oil input channel to be communicated with on the described cylinder body, in the described oil input channel solenoid valve is installed with oil-in chamber.
Another optimal way of the present utility model: described piston wide diameter end is connected with continuous action device, and described continuous action device comprises push rod, spherical plain bearing rod end and bearing pin.
Another optimal way of the present utility model: described piston wide diameter end has inner recess, and described push rod end is inserted in the inner recess.
Another optimal way of the present utility model: described piston wide diameter end and contacting point, piston channel surface have circular groove, and the thin footpath of described piston end is equipped with the co-axial seal circle with contacting point, piston channel surface.
Another optimal way of the present utility model: be filled with lubricating grease in the described circular groove.
Another optimal way of the present utility model: described solenoid valve is the ratio flow solenoid valve.
Another optimal way of the present utility model: described oil input channel is punished into fuel feeding road and draining road at the ratio flow solenoid valve.
The utility model adopts proportional flow control valve in conjunction with special piston structure form, the Displacement Feedback form, constituted a compact structure, be easy to installation and processing, the clutch control device that control accuracy is high, adopt the mode of reducing piston, can reduce friction, and help the installation of piston, adopt the indent arcuate segment, reduced and the contacting of piston channel, displacement transducer accurately provides the clutch current state for the driver according to the variation of its cambered surface, utilize the variation in pressure of oil-in chamber to provide power for piston, a kind of elastic force is provided, make that the power transition is steady, can not produce the power fluctuation, solve the impact sense that produces owing to the firm power of mechanokinetic, for automatic mechanical transmission (AMT) system design provides a good solution.
Description of drawings
Fig. 1 the utility model apparatus structure schematic representation
Embodiment
As shown in Figure 1, in the cylinder body 1 of the utility model clutch control device piston channel is arranged, piston 2 is installed in the piston channel, piston channel is that an end seals an end opening, the inner diameter of piston channel closed end is less than the inner diameter of open section, form the thin diameter section and the wide section of piston channel, piston 2 inserts and forms an oil-in chamber 3 between back and the piston channel top, piston 2 leading portions are thin footpath end, its diameter equals the inner diameter of piston channel leading portion, piston back segment diameter is a wide diameter end, and its diameter equals the inner diameter of piston channel back segment, the indent arcuate segment 6 of the section of having symmetry between piston thin footpath end and the wide diameter end.The thin footpath end of piston 2, wide diameter end contact with the respective diameters section internal surface of piston channel respectively, this mode can reduce the friction of whole piston face and piston channel, and help piston and install, side in piston channel oil-in chamber 3 has the solenoid valve mounting groove, a ratio flow solenoid valve 4 is installed in the mounting groove, there is inflow pipeline 7 to communicate in the mounting groove, and fuel feeding road 8 and the draining road 9 that is connected with vehicle oil way arranged with oil-in chamber 3.Control the opening degree that fuel feeding road 8 leads to draining road 9 by the output current of control ratio flow solenoid valve 4, can determine the speed of clutch combination.A linear movement pick-up 5 is installed on the indent arc place of piston, cylinder body, one end of linear movement pick-up 5 contacts with piston indent arcuate segment 6, the other end is connected with automatic mechanical transmission (AMT) control system (TCU) by circuit, when piston motion, its arc shaped surface can cause a movement pressure to linear movement pick-up 5, thereby automatic mechanical transmission (AMT) control system (TCU) just can be learnt the motion state of piston.The wide diameter end of piston 2 connects a push rod 12, and push rod 12 the other ends are connected with clutch push arm 15 by spherical plain bearing rod end 13, bearing pin 14, and piston 2 has an inner recess with push rod 12 joints, and push rod 12 is inserted in the recess.The thin footpath of piston end is equipped with co-axial seal circle 10 with contacting point, piston channel surface, can seal oil-in chamber 3.Piston wide diameter end and contacting point, piston channel surface have circular groove 11, in the circular groove 11 lubricating grease are housed, and piston 2 has been moved to be sealed and lubrication.
Embodiment 1:
The realization of clutch separation: according to gearshift procedure clutch separation action request, control system Comparative Examples flow solenoid valve increases output current, the ratio flow solenoid valve is connected fuel feeding road and oil input channel, make system's fuel feeding by fuel feeding road-oil input channel, enter oil-in chamber then, oil in the oil-in chamber is exerted pressure to piston, when the active force greater than clutch diaphragm spring of exerting pressure affacts power on the push rod, piston outwards moves, and then promotion push rod-spherical plain bearing rod end-bearing pin outwards moves, realize rotating thereby drive the clutch torque arm, finish the clutch separation action.When piston motion, the displacement of piston arc shaped surface drives the linear movement pick-up motion, and then produces the piston displacement signal, feeds back to automatic mechanical transmission (AMT) control system (TCU).
Embodiment 2:
The realization of clutch combination: according to the gearshift procedure clutch in conjunction with action request, control system control ratio flow solenoid valve reduces output current, the ratio flow solenoid valve is connected oil input channel and draining road, pressure in the oil-in chamber is reduced, the active force that piston is subjected to reduces, the clutch torque arm is backward rotation under the clutch diaphragm spring active force, driving bearing pin-spherical plain bearing rod end-push rod inwardly moves, and then the drive piston pushes to oil-in chamber, oil in the oil-in chamber enters the draining road by oil input channel and flows back to vehicle oil way, finishes clutch in conjunction with action.When piston motion, the displacement of piston arc shaped surface drives the linear movement pick-up motion, and then produces the piston displacement signal, feeds back to automatic mechanical transmission (AMT) control system (TCU).
Claims (7)
1. clutch control device, comprise piston (2) and cylinder body (1), described piston is installed in the interior piston channel of cylinder body, described piston one end links to each other with clutch control lever by continuous action device, it is characterized in that, described piston channel comprises thin diameter section and wide section, described piston comprises thin footpath end and wide diameter end, the section of having indent arcuate segment (6) between thin footpath end and the wide diameter end, linear movement pick-up (5) is installed on the described cylinder body and contacts with the indent arcuate segment (6) of described piston, form oil-in chamber (3) between the top of described piston thin footpath end and piston channel, there is oil input channel (7) to be communicated with on the described cylinder body, solenoid valve (4) is installed in the described oil input channel with oil-in chamber (3).
2. clutch control device as claimed in claim 1 is characterized in that, described piston wide diameter end is connected with continuous action device, and described continuous action device comprises push rod (12), spherical plain bearing rod end (13) and bearing pin (14).
3. clutch control device as claimed in claim 2 is characterized in that, described piston wide diameter end has inner recess, and described push rod (12) end is inserted in the inner recess.
4. clutch control device as claimed in claim 1 is characterized in that, described piston wide diameter end and contacting point, piston channel surface have circular groove (11), and the thin footpath of described piston end is equipped with co-axial seal circle (10) with contacting point, piston channel surface.
5. clutch control device as claimed in claim 4 is characterized in that, described circular groove is filled with lubricating grease in (11).
6. clutch control device as claimed in claim 1 is characterized in that, described solenoid valve (4) is the ratio flow solenoid valve.
7. clutch control device as claimed in claim 1 is characterized in that, described oil input channel (7) is punished into fuel feeding road (8) and draining road (9) at the ratio flow solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202786615U CN201521565U (en) | 2009-11-05 | 2009-11-05 | Clutch control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202786615U CN201521565U (en) | 2009-11-05 | 2009-11-05 | Clutch control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201521565U true CN201521565U (en) | 2010-07-07 |
Family
ID=42507741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202786615U Expired - Fee Related CN201521565U (en) | 2009-11-05 | 2009-11-05 | Clutch control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201521565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132073A (en) * | 2013-11-18 | 2014-11-05 | 成都科创佳思科技有限公司 | Clutch control device |
-
2009
- 2009-11-05 CN CN2009202786615U patent/CN201521565U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132073A (en) * | 2013-11-18 | 2014-11-05 | 成都科创佳思科技有限公司 | Clutch control device |
| CN104132073B (en) * | 2013-11-18 | 2016-08-17 | 成都科创佳思科技有限公司 | Clutch controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100476260C (en) | Controller, control method and control system for controlling a motor vehicle gear-type transmission | |
| CN201970996U (en) | Longitudinally-mounted all-electric mechanical automatic transmission | |
| CN201446951U (en) | All-electrical mechanical automatic transmission | |
| CN201953857U (en) | Automatic clutch control mechanism | |
| CN1920348A (en) | Control device for electric controlled automatic shift for vehicle variator | |
| CN102606722A (en) | Automatic speed changing method based on manual gearbox and system | |
| CN201258967Y (en) | Shifting device for opposition two stage cylinder | |
| CN203114949U (en) | Automatic clutch actuator for hybrid power vehicle | |
| CN103851105B (en) | A kind of hydraulic clutch release system | |
| CN201521565U (en) | Clutch control device | |
| CN102032335A (en) | Automotive AMT (Automatic Mechanical Transmission) gear selection actuating mechanism | |
| CN201078468Y (en) | Electric screw mandrel type correcting unit for automatic clutch | |
| CN203395165U (en) | Automatic dual-clutch transmission (DCT) parking axle limiting device | |
| CN102518789A (en) | Electric gear-shifting actuating mechanism | |
| CN103115085B (en) | Automatic clutch actuator for hybrid power vehicle | |
| CN201071930Y (en) | Shift executing mechanism of vehicle AMT automatic speed transmission | |
| CN201554842U (en) | High and low gear control device of automobile | |
| CN201071933Y (en) | Shift choosing mechanism of electric-controlled pneumatic automatic mechanical speed variator system | |
| CN1959156A (en) | Electric controlled mechanical type speed variator, and method for controlling gear shifting | |
| CN109469689B (en) | Stepping motor type automobile clutch | |
| CN2537594Y (en) | Gear shifting device for heavy car AMT automatic gearbox | |
| CN202360746U (en) | Novel shifting fork assembly of automatic dual clutch transmission (DCT) | |
| CN102562869B (en) | Auxiliary engagement device for clutch | |
| CN220668343U (en) | Electric gear shifting actuating mechanism for multi-gear mechanical automatic transmission | |
| CN2815760Y (en) | Trailing type automatic clutch actuator |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20171105 |