WO2017206975A1 - Dispositif d'actionnement pour un embrayage à friction et système d'embrayage pourvu dudit dispositif - Google Patents

Dispositif d'actionnement pour un embrayage à friction et système d'embrayage pourvu dudit dispositif Download PDF

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Publication number
WO2017206975A1
WO2017206975A1 PCT/DE2017/100321 DE2017100321W WO2017206975A1 WO 2017206975 A1 WO2017206975 A1 WO 2017206975A1 DE 2017100321 W DE2017100321 W DE 2017100321W WO 2017206975 A1 WO2017206975 A1 WO 2017206975A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
base plate
friction clutch
actuating device
clutch
Prior art date
Application number
PCT/DE2017/100321
Other languages
German (de)
English (en)
Inventor
Loyal George Macmillian
Götz Rathke
Felix Bayer
Original Assignee
Schaeffler Technologies AG & Co. KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112017002701.2T priority Critical patent/DE112017002701A5/de
Priority to KR1020187034346A priority patent/KR102499173B1/ko
Publication of WO2017206975A1 publication Critical patent/WO2017206975A1/fr

Links

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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D28/00—Electrically-actuated clutches
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • F16D2021/0638—Electrically actuated multiple lamellae clutches
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • F16D2021/0646—Electrically actuated clutch with two clutch plates
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
    • F16D2023/126—Actuation by rocker lever; Rocker levers therefor

Definitions

  • the invention relates to an actuating device for at least one disposed about an axis of rotation friction clutch with an actuating element of the at least one friction clutch along an actuating travel loading, arranged around the axis of rotation sleeve with a ring board, a substantially perpendicular to the axis of rotation arranged lever actuator with a radially inwardly bifurcated engaging in the annular flange and radially outwardly resiliently received on a base lever, a radially displaceable by means of an actuator and a spindle drive, a bearing with radially displaceable fulcrum between the base plate and lever forming traverse and a coupling system with this.
  • Generic actuators serve to actuate frictional clutches about a rotational axis arranged to control the torque to be transmitted via the friction clutch.
  • lever actuators are known, for example from DE 10 2004 009 832 A1, which have a substantially perpendicularly arranged lever which displaces a sleeve arranged around the axis of rotation axially along an actuating path by means of its fork-shaped lever tips and thus an actuating element, for example a Disk spring or lever spring of a dry-operated friction clutch or an actuating piston of a wet-operated friction clutch operated.
  • the actuating element forms a frictional engagement under the prestressing of friction surfaces of the friction clutch on the input side and on the output side, the preload being effected by an axial engagement taking place radially on the inside of the actuating element. controlled controlled and thus depending on the design of the friction clutch, the frictional engagement is formed or dissolved to form an intermittent slip phase.
  • the lever of the lever actuator is radially spaced from the lever tips with a base plate elastically connected. Between the lever and the base plate, a radially displaceable cross member is arranged, which rolls by means of rollers on rolling surfaces of the lever and the base plate and forms a fulcrum with respect to the lever.
  • the lever tips of the lever are displaced by means of an actuator by the traverse is radially displaced by an actuator, such as an electric motor with spindle drive or a hydraulic cylinder.
  • an actuator such as an electric motor with spindle drive or a hydraulic cylinder.
  • the object of the invention is the development of an actuating device for at least one friction clutch.
  • the object of the invention to propose an actuating device for at least one friction clutch, which allows an improved operation of the at least one friction clutch.
  • an object of the invention to provide a clutch system with at least one friction clutch with improved actuator.
  • the proposed actuating device serves to actuate at least one friction clutch arranged about a rotation axis.
  • the at least one friction clutch can be operated dry or wet.
  • the at least one friction clutch may be pulled or pulled.
  • the actuation of the at least one friction clutch takes place by means of an actuating element of the at least one friction clutch along an actuating path.
  • the actuating element may be formed as a plate spring, lever spring or the like.
  • a wet-operated friction clutch may have a plurality of layers alternately layered on the input and output side rotationally fixed lamellae, which are clamped by the actuating element, such as a piston plate or the like against an end stop.
  • the actuating element is each rotationally coupled axially loaded by a sleeve arranged around the axis of rotation with a ring board.
  • the actuating device has a lever actuator arranged substantially perpendicularly to the axis of rotation and provided with a lever whose lever tips engage in the annular flange on the inside in the manner of a fork and which is received radially elastically on a base plate.
  • the elastic reception of the lever on the base plate by means of two perpendicular to the radial extent of the lever spaced spring elements such as helical compression springs or the like may be provided.
  • a radially displaceable traverse is provided.
  • the Traverse is effected by means of an attached to the base plate or otherwise stationary actuator.
  • the actuator can be used as romotor be formed with spindle drive, wherein from the rotor movement of the electric motor by means of the spindle drive a radial, the traverse displacing movement is generated.
  • a spindle nut can be incorporated or incorporated into the rotor of the electric motor, which is accommodated on a spindle thread of a rotatably and axially displaceably provided spindle, wherein the spindle is fixedly connected to the crossmember.
  • the lever point of the lever changes. This results in a corresponding profiling of a bearing surface of the lever for the traverse and the arrangement of the spring elements between the lever and the base plate a pulling movement of the lever tips along the axis of rotation, which causes a depending on the formation of the friction clutch engagement or disengagement.
  • profiling and spring elements can be coordinated with one another on the force relationships in the friction clutch such that an actuation of the friction clutch can take place essentially without force.
  • the anti-tilt bearing may be formed by a single roller along a rolling surface on the base plate and on the lever. This means that one roll on the rolling surface of the lever and another single roll roll on the rolling surface of the base plate.
  • the rollers are preferably arranged in the same plane, in particular to avoid tilting moments.
  • the rollers may each be by means of an axis in the cross member, for example in a pocket of the cross member preferably rotatable on both sides, for example by means of rolling or sliding bearings.
  • a sufficient tiltability can be understood by a single role and a pair of rollers with closely spaced roller halves. It has also proven to be advantageous to attach the rollers radially at the same height on the traverse.
  • the rolling surfaces can be arranged on the mutually facing surfaces of the base plate and the lever. This means that the rollers are axially spaced closely spaced on the cross member.
  • the base plate can be arranged axially between the at least one friction clutch and the lever.
  • the rolling surfaces can be arranged on the surfaces of the base plate and the lever facing away from one another.
  • the traverse, the base plate and the lever to the corresponding chenden recesses such as radially extending longitudinal slots by cross-sections have, at which sections the only single role is added.
  • the lever may be disposed axially between the base plate and the at least one friction clutch.
  • the actuating device may comprise two lever actuators and corresponding sleeves such as actuating sleeves, wherein the lever actuators are arranged offset about the axis of rotation, the sleeves coaxially with each other with axially spaced annular rims and the levers are axially offset from each other formed with axially offset to the ring rims accessing lever tips.
  • the lever actuators actuate one of two friction clutches of a double clutch, for example, for a dual-clutch transmission with coaxially arranged transmission input shafts.
  • a dual clutch may be provided with a starting clutch and a power take-off clutch.
  • the base plate may be accommodated on the transmission housing of the transmission.
  • a subassembly of the actuator including the sleeve (s) may be attached to the transmission.
  • the base plate can be arranged on the motor side or on a clutch bell.
  • the actuator in a wet-operated friction clutch or a dual clutch with two wet-operated friction clutches, the actuator may be integrated in a friction clutch or dual clutch receiving gear housing with common oil chamber.
  • the actuators can be flanged by corresponding openings on the outside of the transmission housing or be accommodated in the oil space.
  • the base plate may be formed as a cast, forged or sheet metal part.
  • the proposed clutch system includes at least one pull-actuated, preferably wet-operated, friction clutch and an actuating clutch actuated therewith.
  • Device as proposed wherein the at least one friction clutch and the actuating device form a structural unit.
  • the coupling system for example, before installation, in learning operations after final assembly, during maintenance or repair work and / or the like can be substantially independently tested, calibrated and / or parameterized.
  • the data necessary for the operation of the coupling system in particular calibration, parameterization data, fault memory entries and / or the like, can be stored in a suburb electronics of the actuator or the actuators and, for example, continuously adapted.
  • the tolerance chain can be improved.
  • a preferred embodiment of the proposed clutch system includes two preferably wet-operated, designed as a double clutch friction clutches with an actuator as proposed.
  • two lever actuators each actuating a friction clutch, are arranged offset about the rotation axis by a predetermined offset angle between 90 ° and 120 °, in particular between 1 10 ° and 1 15 °.
  • the actuator can space-saving in circumferential gaps between transmission eyes of transmission output shafts of a dual-clutch transmission and these are inserted axially overlapping.
  • Figure 1 is a view of a transmission with an actuator with two
  • FIG. 2 shows a section through a coupling system with the actuating device of FIG. 1 along the section A-A of FIG. 1,
  • FIG. 3 is a view corresponding to the representation of FIG. over the actuating device of Figure 1 modified actuator
  • FIG. 4 shows a section of the actuating device of FIG. 3 along the section B-B corresponding to the representation of FIG.
  • Figures 1 and 2 show in view or in section the trained as a double clutch transmission 100 with the coaxial about the axis of rotation d arranged transmission input shafts 1 1 1, 1 12 with the actuator 1 ( Figure 1) or a section through the actuator 1 for operating tion of two a double clutch forming, not shown in detail friction clutches 200, 201 ( Figure 2).
  • the actuating device 1 comprises the base plate 2, 2 ', wherein the upper part of Figure 2 shows a base plate 2 made of cast and the lower part of Figure 2 shows in an alternative a base plate 2' made of sheet metal. Subsequently, the base plates 2, 2 'uniformly and both base plates summarized as the base plate 2 described.
  • the rotor 1 1, 12 serves as a spindle nut of the spindle drive 9, 10, the spindle thirteenth , 14 is rotationally fixed and axially displaceable received in the electric motor 7, 8 and end connected to the traverse 15, 16.
  • the traverse 15, 16 has rollers 17, 18, 19, 20, respectively.
  • Each lever actuator 3, 4 has a lever 21, 22, which are elastically received on the base plate 2 radially outwardly by means of the spring elements 23, 24 which are formed here as a circumferentially beabstande- te helical compression springs 25, 26, elastically.
  • the helical compression springs are accommodated in a pot 27, 28 connected to the base plate 2, the levers 21, 22 being clamped between the retainers 29, 30 connected to the base plate 2 and the helical compression springs 25, 26.
  • the levers 21, 22 Radially inwardly, the levers 21, 22 fork-shaped lever tips 31, 32 with spherical, facing away from the friction clutches 200, 201 Beaufschlagungs vom 33, 34 which are applied to the ring board 35, 36 of the concentrically arranged about the axis of rotation d sleeves 37, 38 ,
  • the trusses 15, 16 each engage between the base plate 2 and the levers 21, 22 a.
  • the rollers 17, 18 roll on rolling surfaces 39, 40 of the levers 21, 22 and the rollers 19, 20 on rolling surfaces 41, 42 of the base plate 2.
  • the rolling surfaces 39, 40 have an axial profiling along its radial extent, for example, a force / Off- behavior to the actuation forces of the friction clutches 200, 201 adapt.
  • the trusses 15, 16 with their rollers 17, 18, 19, 20 form a radially displaceable fulcrum between the levers 21, 22 and the base plate 2, so that at a radial displacement of each traverse 15, 16 of the lever 21, 22 to the Lever point tilts and the lever tips 31, 32 against the action of the spring elements 23, 24 at a displacement of the crossbar 15, 16 radially inward a pulling movement on the respective sleeve 37, 38 and 38 depending on the design of the friction clutch 200, 201 as drawn or wound Friction clutch closes or opens this.
  • the friction clutch 200, 201 is preferably forcibly reopened or closed in the reverse manner.
  • 16 can be slipping states the friction clutch 200, 201 defined to be kept or adjusted.
  • rollers 17, 18, 19, 20 may be formed of multi-part roller elements, for example, as axially juxtaposed roller elements which roll on a single rolling surface.
  • an axial offset between the crankshaft of an internal combustion engine and transmission input shafts 1 1 1, 1 12 and the like tilting of the levers 21, 22 may be provided about its radial longitudinal axis in that, for example, the two spaced-apart spring elements 23, 24 are subjected to different degrees of force.
  • a one-sided loading of the annular ribs 35, 36 and subsequently the sleeves 37, 38 and actuators of the friction clutches 200, 201 can be avoided or at least reduced.
  • Figures 3 and 4 show in the illustration of Figures 1 and 2, a relation to the actuator 1 modified embodiment of the actuator 1 a.
  • the rolling surfaces 39, 41 and 40, 42 of the base plate 2 and the lever 21, 22 are formed facing each other, the rolling surfaces 39a, 41a and 40a, 42a of the base plate 2a and the lever 21 a, 22 a arranged on the opposite sides of the base plate 2 a and the levers 21 a, 22 a.
  • the traverse 15a, 16a remains between the lever 21a, 22a and the base plate 2a and each has axially extended portions 43a, 44a, on the corresponding longitudinal slots 45a, 46a, 47a in the base plate 2a and in the lever 21 a, 22 a pass through and on both sides of the rollers 17 a, 18 a, 19 a forming roller elements 48 a, 49 a, 50 a form.

Abstract

L'invention concerne un dispositif d'actionnement (1) pour au moins un embrayage à friction (200, 201) agencé autour d'un axe de rotation (d). Le dispositif d'actionnement est pourvu d'un manchon (37, 38) qui sollicite un élément d'actionnement de l'embrayage ou des embrayages à friction (200, 201) le long d'un trajet d'actionnement et qui est agencé autour de l'axe de rotation (d), ledit manchon étant pourvu d'un bord annulaire (35, 36). Le dispositif d'actionnement comprend également un actionneur (3, 4) de levier agencé sensiblement perpendiculairement à l'axe de rotation (d) et pourvu d'un levier (21, 22) s'insérant radialement à l'intérieur en forme de fourche dans le bord annulaire (35, 36) et logé de manière élastique radialement à l'extérieur sur une plaque de base (2). Le dispositif d'actionnement comprend également une traverse (15, 16) qui peut être déplacée radialement au moyen d'un actionneur (5, 6) et d'un mécanisme à broche (9, 10) et qui forme un support pourvu d'un point d'appui déplaçable radialement entre la plaque de base (2) et le levier (21, 22). L'invention concerne également un système d'embrayage pourvu dudit dispositif. L'invention vise à perfectionner un dispositif d'actionnement (1), en particulier pour que l'actionnement de l'embrayage ou des embrayages à friction, (200, 201) soit plus uniforme. A cet effet, l'embrayage ou les embrayages à friction (200, 201) sont actionnés par traction et le support du levier (21, 22) peut basculer de manière élastique par rapport à la plaque de base (2).
PCT/DE2017/100321 2016-05-31 2017-04-20 Dispositif d'actionnement pour un embrayage à friction et système d'embrayage pourvu dudit dispositif WO2017206975A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112017002701.2T DE112017002701A5 (de) 2016-05-31 2017-04-20 Betätigungsvorrichtung für eine Reibungskupplung und Kupplungssystem mit dieser
KR1020187034346A KR102499173B1 (ko) 2016-05-31 2017-04-20 마찰 클러치용 작동 장치 및 이와 같은 작동 장치를 포함하는 클러치 시스템

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016209425.4A DE102016209425B3 (de) 2016-05-31 2016-05-31 Betätigungsvorrichtung für eine Reibungskupplung und Kupplungssystem mit dieser
DE102016209425.4 2016-05-31

Publications (1)

Publication Number Publication Date
WO2017206975A1 true WO2017206975A1 (fr) 2017-12-07

Family

ID=58698911

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100321 WO2017206975A1 (fr) 2016-05-31 2017-04-20 Dispositif d'actionnement pour un embrayage à friction et système d'embrayage pourvu dudit dispositif

Country Status (3)

Country Link
KR (1) KR102499173B1 (fr)
DE (2) DE102016209425B3 (fr)
WO (1) WO2017206975A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009832A1 (de) 2003-03-03 2004-09-16 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Ausrücksysteme
DE102008026994A1 (de) * 2007-06-21 2008-12-24 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Kupplungssystem mit Hebeleinrücker
DE102009019581A1 (de) * 2008-05-20 2009-11-26 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Hebelaktor
DE102008026944A1 (de) 2008-06-05 2009-12-24 Thomas Moog Isolierelement zum Anbringen an einem Fenster-, Tür- oder Torelement
WO2010035030A2 (fr) * 2008-09-24 2010-04-01 Ricardo Uk Limited Système d'actionnement
DE102010025408A1 (de) 2009-07-06 2011-01-13 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Doppelkupplung
WO2012049383A1 (fr) * 2010-10-14 2012-04-19 Valeo Embrayages Dispositif d'actionnement a coin pour un systeme d'embrayage de vehicule automobile
DE102013203778A1 (de) * 2012-03-22 2013-09-26 Schaeffler Technologies AG & Co. KG Betätigungseinrichtung für eine Kupplung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3708841A1 (de) * 1986-03-31 1987-10-08 Aisin Seiki Kupplungsabdeckungseinheit
DE112006000422A5 (de) 2005-03-10 2007-11-22 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Vorrichtung zur Betätigung einer Kupplung
EP1870610B1 (fr) * 2006-06-20 2013-01-16 Schaeffler Technologies AG & Co. KG Système de levier et son procédé de montage
DE102008013054B4 (de) 2008-03-06 2010-04-22 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Stellmechanismus zum Ein- und Ausrücken einer Trennkupplung mit drehbarem Kurvensegment
WO2014005824A1 (fr) * 2012-07-03 2014-01-09 Schaeffler Technologies AG & Co. KG Système de levier

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009832A1 (de) 2003-03-03 2004-09-16 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Ausrücksysteme
DE102008026994A1 (de) * 2007-06-21 2008-12-24 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Kupplungssystem mit Hebeleinrücker
DE102009019581A1 (de) * 2008-05-20 2009-11-26 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Hebelaktor
DE102008026944A1 (de) 2008-06-05 2009-12-24 Thomas Moog Isolierelement zum Anbringen an einem Fenster-, Tür- oder Torelement
WO2010035030A2 (fr) * 2008-09-24 2010-04-01 Ricardo Uk Limited Système d'actionnement
DE102010025408A1 (de) 2009-07-06 2011-01-13 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Doppelkupplung
WO2012049383A1 (fr) * 2010-10-14 2012-04-19 Valeo Embrayages Dispositif d'actionnement a coin pour un systeme d'embrayage de vehicule automobile
DE102013203778A1 (de) * 2012-03-22 2013-09-26 Schaeffler Technologies AG & Co. KG Betätigungseinrichtung für eine Kupplung

Also Published As

Publication number Publication date
KR102499173B1 (ko) 2023-02-13
KR20190013776A (ko) 2019-02-11
DE102016209425B3 (de) 2017-11-09
DE112017002701A5 (de) 2019-02-14

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