CN101303052A - Dry type double clutch electric actuating mechanism - Google Patents
Dry type double clutch electric actuating mechanism Download PDFInfo
- Publication number
- CN101303052A CN101303052A CNA2008100699171A CN200810069917A CN101303052A CN 101303052 A CN101303052 A CN 101303052A CN A2008100699171 A CNA2008100699171 A CN A2008100699171A CN 200810069917 A CN200810069917 A CN 200810069917A CN 101303052 A CN101303052 A CN 101303052A
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- end cam
- sliding sleeve
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- cam cover
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Abstract
The invention discloses an electric actuator of a dry type double clutch, which comprises a box body, a diaphragm spring I matched with a clutch platen I, a diaphragm spring II matched with a clutch platen II, a fixed sleeve, a motor I, a worm I fixedly connected with the motor I by an axis, a motor II, a worm II fixedly connected with the motor II by the axis, an end cam sleeve I, a sliding bush I, an end cam sleeve II and a sliding bush II, wherein, the end faces of the end cam sleeve I and the end cam sleeve II are provided with an end cam; the motor I and the motor II drive the sliding bush I and the sliding bush II to compress the diaphragm spring I and the diaphragm spring II by the end cam so as to complete the shift. In the invention, no additional power supply is required for always maintaining the operation and the efficiency of a power system is not affected, and blocking does not occur when in operation, thus eliminating the occurrence of uneven stress of a friction plate caused by bias load generated by a release bearing when in operation, and prolonging the service life of the release bearing. The electric actuator of the invention has simple and compact structure and small axial size, and saves the installation space.
Description
Technical field
The present invention relates to a kind of Motor Vehicle automatic gear shifting control device, particularly a kind of dry type double clutch electric actuating mechanism.
Background technique
Double-clutch automatic gearbox (DCT) is realized Automatic Shift Control by the switching of two clutches, compare characteristics such as have the transmission efficiency height, switching speed is fast, vehicle power and fuel economy are good with traditional automatic transmission, become the new developing direction of Motor Vehicle automatic transmission.The double clutch of DCT employing at present has dry type and two kinds of structural types of wet type.Dry dual clutch compare with wet-type dual-clutch have simple in structure, transmission efficiency is high, advantage of low manufacturing cost.The DCT gear shift realizes with the switching that separates by the combination of double clutch, needs the stroke of double clutch is accurately controlled in gearshift procedure.The separating and combining stroke of dry clutch is moved by actuator's promotion release bearing and finishes, so actuator is the critical component of double clutch action control.In the prior art, representative dry dual clutch actuator is as (publication number CN1640712A) " being delivered to controlling device on the double clutch with the steering force of engaged/disengaged device ", a kind of 6 dry dual clutch actuator schemes that load piston promotion release bearing that adopted are disclosed, this actuator is power with the hydraulic coupling, therefore need additional hydraulic power device as power source, and hydraulic power must remain operating condition in the vehicle operating, will cause the consumption of a determined power, power system efficient is reduced, may produce the motion asynchrony phenomenon in a plurality of pistons work processes in this scheme in addition and make release bearing produce unbalance loading, cause problems such as mechanism's clamping stagnation and friction disk unbalance stress.
Therefore, a kind of double clutch of needs actuator, do not need to remain the additional power source of running, not influence of efficient to power system, eliminate nonsynchronous phenomenon in the implementation, thereby eliminate the phenomenon that release bearing produces unbalance loading and friction disk unbalance stress, prolong the working life of release bearing.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of dry type double clutch electric actuating mechanism, do not need to remain the additional power source of running, to the not influence of efficient of power system, there is not catching phenomenon during execution, therefore eliminate release bearing and produce the phenomenon that unbalance loading makes the friction disk unbalance stress, prolong the working life of release bearing, simple and compact for structure, axial dimension is little, saves installing space.
Dry type double clutch electric actuating mechanism of the present invention, comprise casing, the diaphragm spring I that matches with clutch compressing disc I and the diaphragm spring II that matches with clutch compressing disc II, it is characterized in that: also comprise fixed cover, motor I, the worm screw I of fixedlying connected, motor II, the worm screw II of fixedlying connected, end cam cover I, sliding sleeve I, end cam cover II and sliding sleeve II with the motor II axle with the motor I axle; Described end cam cover I and end cam cover II end face are provided with end cam; Described fixed cover Spielpassung is enclosed within on the pto and is fixedly installed in the casing; Between sliding sleeve I and sliding sleeve II and the fixed cover with axially slidably the fixing mode of circumferencial direction cooperate, cooperate in the rotating mode of axial restraint circumferencial direction between end cam cover I and end cam cover II and the fixed cover; The end cam of sliding sleeve I one end and end cam cover I near, the other end cooperates with diaphragm spring I by release bearing I, end cam overlaps the I cylindrical and is set with worm gear I, worm gear I and worm screw I self-locking performance mesh; The end cam of sliding sleeve II one end and end cam cover II near, the other end cooperates with diaphragm spring II by release bearing II, end cam overlaps the II cylindrical and is set with worm gear II, worm gear II and worm screw II self-locking performance mesh.
Further, described sliding sleeve I and end cam cover I are enclosed within the fixed cover excircle side by side, the mode that sliding sleeve II fixes with axial slidably circumferencial direction is enclosed within the excircle of sliding sleeve I and/or end cam cover I, and end cam cover II is enclosed within the excircle of sliding sleeve I and/or end cam cover I in the rotating mode of axial restraint circumferencial direction;
Further, also comprise rolling element, described fixed cover excircle and sliding sleeve I inner circumference are respectively provided to few axially directed groove that cooperates with rolling element, cooperate in the fixing mode of axial slidably circumferencial direction by rolling element between fixed cover and the sliding sleeve I; Sliding sleeve I excircle and sliding sleeve II inner circumference are respectively provided to few axially directed groove that cooperates with rolling element, cooperate in the fixing mode of axial slidably circumferencial direction by rolling element between sliding sleeve I and the sliding sleeve II;
Further, described sliding sleeve I and sliding sleeve II are respectively arranged with the end cam that matches with end cam cover I and end cam cover II;
Further, the end cam of described end cam cover I and end cam cover II is respectively to be uniformly distributed along the circumference more than two and forms the end face impeller, and the end cam that is mated sliding sleeve I and sliding sleeve II is respectively to be uniformly distributed along the circumference more than two and forms the end face impeller;
Further, the axially directed groove of described fixed cover excircle and sliding sleeve I inner circumference and sliding sleeve I excircle and the setting of sliding sleeve II inner circumference is respectively four and is uniformly distributed along the circumference.
The invention has the beneficial effects as follows: dry type double clutch electric actuating mechanism of the present invention, the worm and gear transmission and the end cam structure that adopt motor-driven pair of worm gear to constitute, do not need to remain the additional power source of running, to the not influence of efficient of power system, there is not catching phenomenon during execution, therefore can eliminate release bearing and produce the phenomenon that unbalance loading makes the friction disk unbalance stress, prolong the working life of release bearing, simple and compact for structure, axial dimension is little, saves installing space; Two end cam structure radially layereds are provided with, and are rational in infrastructure, further shorten axial dimension, make actuator of the present invention structure compact more; Sliding sleeve is provided with the end cam that cooperates with the end cam cover, and the axial force that produces in the implementation is along the circumferential direction evenly distributed, and is beneficial to and eliminates the phenomenon that release bearing produces unbalance loading, prolongs the working life of release bearing; Worm gear adopts sector structure, can alleviate mechanism's weight to greatest extent, saves manufactured materials, thereby saves cost.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is a structural profile schematic representation of the present invention;
Fig. 2 be Fig. 1 along A-A to sectional view;
Fig. 3 is end cam cover II11 and sliding sleeve II4 cooperation schematic representation;
Fig. 4 is end cam cover I3 and sliding sleeve I6 cooperation schematic representation;
Fig. 5 is the fixed cover structural representation.
Embodiment
Fig. 1 is a structural profile schematic representation of the present invention, Fig. 2 be Fig. 1 along A-A to sectional view, as shown in the figure: the dry type double clutch electric actuating mechanism of present embodiment, comprise casing 1, diaphragm spring I 15 that matches with clutch compressing disc I17 and the diaphragm spring II 14 that matches with clutch compressing disc II18, also comprise fixed cover 7, motor I 16, the worm screw I2 of fixedlying connected with 16 of motor I, motor II 13, the worm screw II19 of fixedlying connected with 13 of motor II, end cam cover I3, sliding sleeve I6, end cam cover II11, sliding sleeve II4, rolling element I8 and rolling element II12, rolling element I8 and rolling element II12 are steel ball in the present embodiment; End cam cover I3 and end cam cover II11 end face are provided with end cam, sliding sleeve I6 is provided with the end cam that matches with end cam cover I3, sliding sleeve II4 is provided with the end cam that matches with end cam cover II11, the end cam of end cam cover I3 and end cam cover II11 is respectively four formation end face impellers that are uniformly distributed along the circumference, and the end cam that is mated sliding sleeve I6 and sliding sleeve II4 is respectively four formation end face impellers that are uniformly distributed along the circumference; Fixed cover 7 Spielpassung are enclosed within on the pto 20 and by screw 5 and are fixedly installed in the casing 1;
Sliding sleeve I6 and end cam cover I3 are enclosed within fixed cover 7 excircles side by side, fixed cover 7 excircles and sliding sleeve I6 inner circumference be uniform to be provided with four axially directed grooves that cooperate with rolling element I8, between fixed cover 7 and the sliding sleeve I6 by rolling element I8 with axially slidably the fixing mode of circumferencial direction cooperate, cooperate in the rotating mode of axial restraint circumferencial direction between end cam cover I3 and the fixed cover 7; The end cam of sliding sleeve I6 cooperates with the end cam of end cam cover I3, the other end of sliding sleeve I6 cooperates with diaphragm spring I 15 by release bearing I9, end cam cover I3 cylindrical is set with worm gear I3a, worm gear I3a and the engagement of worm screw I2 self-locking performance, end cam cover I3 and worm gear I3a are wholely set in the present embodiment;
Sliding sleeve II4 is enclosed within the excircle of sliding sleeve I6, and end cam cover II11 is enclosed within excircle after sliding sleeve I6 and end cam cover I3 cooperate in the rotating mode of axial restraint circumferencial direction; Sliding sleeve I6 excircle and sliding sleeve II4 inner circumference be uniform respectively to be provided with four axially directed grooves that cooperate with rolling element II12, between sliding sleeve I6 and the sliding sleeve II4 by rolling element II12 with axially slidably the fixing mode of circumferencial direction cooperate; The end cam of sliding sleeve II4 cooperates with the end cam of end cam cover II11, the other end of sliding sleeve II4 cooperates with diaphragm spring II 14 by release bearing II10, end cam cover II11 cylindrical is set with worm gear II11a, worm gear II11a and the engagement of worm screw II19 self-locking performance, end cam cover II11 and worm gear II11a are wholely set in the present embodiment; Worm gear I3a and worm gear II11a adopt sector structure.
Fig. 3 is end cam cover II11 and sliding sleeve II4 cooperation schematic representation, Fig. 4 is end cam cover I3 and sliding sleeve I6 cooperation schematic representation, as shown in the figure: end cam cover I3 and end cam cover II11 end face are provided with end cam, sliding sleeve I6 is provided with the end cam that matches with end cam cover I3, sliding sleeve II4 is provided with the end cam that matches with end cam cover II11, the end cam of end cam cover I3 and end cam cover II11 is respectively four formation end face impellers that are uniformly distributed along the circumference, and the end cam that is mated sliding sleeve I6 and sliding sleeve II4 is respectively four formation end face impellers that are uniformly distributed along the circumference; Sliding sleeve I6 excircle is uniform to be provided with four axially directed grooves.
Fig. 5 is the fixed cover structural representation, and as shown in the figure: fixed cover 7 excircles are uniform to be provided with four axially directed grooves.
In the present embodiment, when motor I 16 and motor II 13 are just being changeed, worm screw I2 and worm screw II19 drive end cam cover I3 and end cam cover II11 driving sliding sleeve I and sliding sleeve II4 by release bearing I9 and release bearing II10 compressive films flat spring I15 and diaphragm spring II 14 by worm gear I3a and worm gear II11a respectively, clutch compressing disc I17 and clutch compressing disc II18 are compressed, reach the purpose of transmitting torque; Clutch compressing disc I17 separated with clutch compressing disc II18 when on the contrary, motor I 16 was with motor II 13 counter-rotatings.
Based on above principle, when gearshift, motor I 16 is just being changeed, and clutch compressing disc I17 compresses, and motor I 16 stops operating, and utilizes worm gear I3a and worm screw I2 self-locking action, and it is motionless that release bearing I9 keeps, clutch I combination; Motor II 13 counter-rotatings are meanwhile moved to end cam cover II11 direction at the effect low sleeve II4 and the release bearing II10 of diaphragm spring II 14, and clutch compressing disc II18 separates; In like manner, motor I 16 counter-rotatings, motor II 13 is just being changeed, and finishes next gearshift action, and process is simply smooth; And control the separating and combining speeds of motor speed may command clutch, thereby satisfied the automatic control requirement of dry dual clutch.
Certainly, end cam quantity and axially directed groove quantity along the circumferential direction along the circumferential direction is not limited to quantity among the embodiment, also can be other quantity according to circumstances in the practice, can both satisfy goal of the invention.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. dry type double clutch electric actuating mechanism, comprise casing (1), the diaphragm spring I (15) that matches with clutch compressing disc I (17) and the diaphragm spring II (14) that matches with clutch compressing disc II (18), it is characterized in that: also comprise fixed cover (7), motor I (16), the worm screw I (2) of fixedlying connected, motor II (13), the worm screw II (19) of fixedlying connected, end cam cover I (3), sliding sleeve I (6), end cam cover II (11) and sliding sleeve II (4) with motor II (13) axle with motor I (16) axle; Described end cam cover I (3) and end cam cover II (11) end face are provided with end cam; Described fixed cover (7) Spielpassung is enclosed within pto (20) and goes up and be fixedly installed in the casing (1); Between sliding sleeve I (6) and sliding sleeve II (4) and the fixed cover (7) with axially slidably the fixing mode of circumferencial direction cooperate, end cam cover I (3) and end cam overlap between II (11) and the fixed cover (7) and cooperate in the rotating mode of axial restraint circumferencial direction; The end cam of sliding sleeve I (6) one ends and end cam cover I (3) near, the other end cooperates with diaphragm spring I (15) by release bearing I (9), end cam cover I (3) cylindrical is set with worm gear I (3a), worm gear I (3a) and the engagement of worm screw I (2) self-locking performance; The end cam of sliding sleeve II (4) one ends and end cam cover II (11) near, the other end cooperates with diaphragm spring II (14) by release bearing II (10), end cam cover II (11) cylindrical is set with worm gear II (11a), worm gear II (11a) and the engagement of worm screw II (19) self-locking performance.
2. dry type double clutch electric actuating mechanism according to claim 1, it is characterized in that: described sliding sleeve I (6) and end cam cover I (3) are enclosed within fixed cover (7) excircle side by side, the mode that sliding sleeve II (4) fixes with axial slidably circumferencial direction is enclosed within the excircle of sliding sleeve I (6) and/or end cam cover I (3), and end cam cover II (11) is enclosed within the excircle of sliding sleeve I (6) and/or end cam cover I (3) in the rotating mode of axial restraint circumferencial direction.
3. dry type double clutch electric actuating mechanism according to claim 2, it is characterized in that: also comprise rolling element I (8) and rolling element II (12), described fixed cover (7) excircle and sliding sleeve I (6) inner circumference are respectively provided to few axially directed groove that cooperates with rolling element I (8), cooperate in the fixing mode of axial slidably circumferencial direction by rolling element I (8) between fixed cover (7) and the sliding sleeve I (6); Sliding sleeve I (6) excircle and sliding sleeve II (4) inner circumference are respectively provided to few axially directed groove that cooperates with rolling element II (12), cooperate in the fixing mode of axial slidably circumferencial direction by rolling element II (12) between sliding sleeve I (6) and the sliding sleeve II (4).
4. dry type double clutch electric actuating mechanism according to claim 1 is characterized in that: described sliding sleeve I (6) and sliding sleeve II (4) are respectively arranged with the end cam that matches with end cam cover I (3) and end cam cover II (11).
5. dry type double clutch electric actuating mechanism according to claim 4, it is characterized in that: the end cam of described end cam cover I (3) and end cam cover II (11) is respectively to be uniformly distributed along the circumference more than two and forms the end face impeller, and the end cam that is mated sliding sleeve I (6) and sliding sleeve II (4) is respectively to be uniformly distributed along the circumference more than two and forms the end face impeller.
6. dry type double clutch electric actuating mechanism according to claim 5 is characterized in that: the axially directed groove of described fixed cover (7) excircle and sliding sleeve I (6) inner circumference and sliding sleeve I (6) excircle and sliding sleeve II (4) inner circumference setting is respectively four and is uniformly distributed along the circumference.
7. dry type double clutch electric actuating mechanism according to claim 6 is characterized in that: worm gear I (3a) and worm gear II (11a) adopt sector structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100699171A CN101303052A (en) | 2008-07-02 | 2008-07-02 | Dry type double clutch electric actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100699171A CN101303052A (en) | 2008-07-02 | 2008-07-02 | Dry type double clutch electric actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101303052A true CN101303052A (en) | 2008-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100699171A Pending CN101303052A (en) | 2008-07-02 | 2008-07-02 | Dry type double clutch electric actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101303052A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135145A (en) * | 2010-01-22 | 2011-07-27 | 通用汽车环球科技运作有限责任公司 | Clutch actuator assembly |
| CN102192256A (en) * | 2010-03-05 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | Double clutch wear adjuster having a differentiator |
| CN103453036A (en) * | 2012-06-04 | 2013-12-18 | Valeo离合器公司 | Dual-clutch mechanism with three plates |
| CN104930073A (en) * | 2014-03-21 | 2015-09-23 | 舍弗勒技术股份两合公司 | Clutch system |
| CN105387095A (en) * | 2015-12-09 | 2016-03-09 | 无锡民联轴承制造有限公司 | Dry-type double-clutch combined release bearing |
| CN106050964A (en) * | 2016-07-05 | 2016-10-26 | 卢建钢 | Worm and gear type clutch executing mechanism |
| CN109958761A (en) * | 2017-12-26 | 2019-07-02 | 杭州贵腾汽车传动科技有限公司 | The manipulation executing agency of the bis- clutches of DCT |
| WO2022135407A1 (en) * | 2020-12-23 | 2022-06-30 | 武汉路特斯汽车有限公司 | Coaxial pure electric vehicle power system having power disconnection function and vehicle |
-
2008
- 2008-07-02 CN CNA2008100699171A patent/CN101303052A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135145A (en) * | 2010-01-22 | 2011-07-27 | 通用汽车环球科技运作有限责任公司 | Clutch actuator assembly |
| CN102192256A (en) * | 2010-03-05 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | Double clutch wear adjuster having a differentiator |
| CN102192256B (en) * | 2010-03-05 | 2016-08-10 | 通用汽车环球科技运作有限责任公司 | There is the double clutch of differentiator |
| CN103453036A (en) * | 2012-06-04 | 2013-12-18 | Valeo离合器公司 | Dual-clutch mechanism with three plates |
| CN103453036B (en) * | 2012-06-04 | 2017-04-12 | Valeo离合器公司 | Dual-clutch mechanism with three plates |
| CN104930073A (en) * | 2014-03-21 | 2015-09-23 | 舍弗勒技术股份两合公司 | Clutch system |
| CN104930073B (en) * | 2014-03-21 | 2018-12-25 | 舍弗勒技术股份两合公司 | Clutch system |
| CN105387095A (en) * | 2015-12-09 | 2016-03-09 | 无锡民联轴承制造有限公司 | Dry-type double-clutch combined release bearing |
| CN106050964A (en) * | 2016-07-05 | 2016-10-26 | 卢建钢 | Worm and gear type clutch executing mechanism |
| CN109958761A (en) * | 2017-12-26 | 2019-07-02 | 杭州贵腾汽车传动科技有限公司 | The manipulation executing agency of the bis- clutches of DCT |
| CN109958761B (en) * | 2017-12-26 | 2020-12-08 | 杭州贵腾汽车传动科技有限公司 | DCT double-clutch operating and executing mechanism |
| WO2022135407A1 (en) * | 2020-12-23 | 2022-06-30 | 武汉路特斯汽车有限公司 | Coaxial pure electric vehicle power system having power disconnection function and vehicle |
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Open date: 20081112 |