WO2014082629A1 - Dispositif de transmission de couple et chaîne cinématique pourvue d'un dispositif de transmission de couple - Google Patents

Dispositif de transmission de couple et chaîne cinématique pourvue d'un dispositif de transmission de couple Download PDF

Info

Publication number
WO2014082629A1
WO2014082629A1 PCT/DE2013/200244 DE2013200244W WO2014082629A1 WO 2014082629 A1 WO2014082629 A1 WO 2014082629A1 DE 2013200244 W DE2013200244 W DE 2013200244W WO 2014082629 A1 WO2014082629 A1 WO 2014082629A1
Authority
WO
WIPO (PCT)
Prior art keywords
torque transmission
transmission device
flywheel
pendulum
centrifugal pendulum
Prior art date
Application number
PCT/DE2013/200244
Other languages
German (de)
English (en)
Inventor
Gerd Ahnert
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
Publication of WO2014082629A1 publication Critical patent/WO2014082629A1/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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
    • F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
    • F16F15/145—Masses mounted with play with respect to driving means thus enabling free movement over a limited range
    • 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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
    • 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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
    • F16D2013/703—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members the pressure plate on the flywheel side is combined with a damper
    • 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
    • F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock

Definitions

  • the invention relates to a torque transmission device for a drive train of a vehicle, having (i) a rotary part, in particular a flywheel having at least one flywheel, (ii) at least one centrifugal pendulum which has at least one pendulum mass and at least one carrier device carrying this pendulum mass, and (iii) a bearing device for supporting the centrifugal pendulum on the rotary part.
  • Such a torque transmitting device with a coupling and disengageable friction clutch for a vehicle is known. This includes at least one
  • Flywheel having flywheel, at least one at least one pendulum mass and at least one of these pendulum mass carrying carrier device exhibiting centrifugal pendulum, and a bearing device for supporting the centrifugal pendulum on the flywheel.
  • the flywheel forms a counter-pressure plate of the friction clutch, which also has a pressure plate for pressing a clutch disc between the pressure plate and the counter-pressure plate.
  • the bearing device By means of the bearing device, the carrier device of the centrifugal pendulum is firmly connected to the flywheel.
  • the pressure plate is connected downstream of the counter-pressure plate in the torque transmission path of the torque transmission device.
  • a corresponding drive train with an internal combustion engine an internal combustion engine
  • the torque transmission device is interposed in the drive train between the engine and transmission, wherein the torque input to the crankshaft of the internal combustion engine and the torque output is connected to the transmission input shaft of the transmission.
  • a special design of a rotary swivel gungstilgers is the centrifugal pendulum in which pendulum masses are arranged on tracks with circumferential and radial share displaced, so that the pendulum masses take different radii in torsional vibrations and thus increases the moment of inertia of the pendulum masses receiving component and the component is thus slowed down for a short time.
  • centrifugal pendulum reaches its limits, ie the end point of the swinging pendulum of its pendulum masses, then these pendulum masses must be braked by means of elastic end stops at the end point of the corresponding curved track, in order to avoid damage from impacts of the components of the centrifugal pendulum pendulum.
  • the stops may be made with elastic plastic parts. If the centrifugal pendulum, for example, fixed to the flywheel or the clutch pressure plate, it may lead to a disadvantageous high thermal load of the material, which leads in extreme cases to a reduced life and limits the choice of materials.
  • the bearing device alone or together with at least one part of the rotary part and / or a part of the carrier device forms an overload protection coupling.
  • This overload protection clutch is in particular an overload protection by means of adhesion causing slipping clutch, so a friction clutch.
  • This coupling allows rotation of the centrifugal pendulum against the rotary member (in particular the flywheel) when exceeding a predetermined maximum value of the torque, which defines the presence of a corresponding overload.
  • the bearing of the centrifugal pendulum on the rotary part by means of the bearing device can comprise both an axial bearing component and a radial bearing component. For these two storage components, common components or separate components of the storage device may be provided.
  • the torque transmission device according to the invention is a robust, functionally reliable solution for reducing momentary irregularities, which can withstand even unexpectedly high momentary momentary irregularities without damage.
  • flywheel is understood to mean both a mass (in the physical sense) and a mass body (ie a flywheel mass body) applying this flywheel mass.
  • the bearing device has at least one coupling element arranged between the rotary part and the carrier device for forming the overload protection coupling.
  • this coupling element By means of this coupling element, the carrier device of the centrifugal pendulum in normal operation is connected in a rotationally fixed manner to the rotary part. In case of overload, this non-rotatable connection is released.
  • the overload protection coupling is a friction clutch
  • the connection is made via a frictional connection between the coupling element designed as a friction element and a further element.
  • This further element may be part of the carrier device, the rotary part and / or the bearing device.
  • the friction element is then, for example, a friction ring or a friction disk.
  • the bearing device further comprises at least one spring element effecting a force application of the coupling element or at least one of the coupling elements.
  • This spring element causes the frictional connection between the coupling element and the further element.
  • this at least one spring element is designed as a plate spring.
  • the bearing device in addition to the at least one coupling element and the at least one spring element also have other components.
  • the at least one coupling element and the at least one spring element form the bearing device.
  • the bearing device acts on a radial outer region of the centrifugal pendulum pendulum.
  • the bearing device engages on a radially inner region of the centrifugal pendulum.
  • the centrifugal pendulum is designed as a preassembled pendulum module.
  • the flywheel may be a one-way flywheel having a flywheel or a multi-mass flywheel (preferably a dual-mass flywheel) having a plurality
  • the flywheel is a single flywheel with only one flywheel.
  • the single flywheel is particularly simple and robust.
  • the arrangement of flywheel, bearing device and centrifugal pendulum is preferably arranged directly at the input end of the torque transmission device. As a result, the moment irregularities are reduced directly after the torque input.
  • a plurality of pendulum masses are provided, which are circumferentially regularly distributed with respect to the axis of rotation of the centrifugal pendulum.
  • the at least one pendulum mass is guided by means of at least one slotted guide along guide surfaces of the support means.
  • a slotted guide is known in principle from the aforementioned document DE 10 2009 042 831 A1.
  • the torque transmission device further comprises a friction clutch with a pressure plate, a counter pressure plate and a compressible between pressure plate and counter plate Clutch plate, wherein the flywheel forms the counter-pressure plate or is connected to the counter-pressure plate.
  • Flywheel has a starter toothing for combing with a starter pinion of a starter.
  • the engine can be started by the starter.
  • the starter toothing is arranged on the outer circumference of the flywheel.
  • the starter toothing is formed on the input side on the outer circumference of the flywheel.
  • the starter toothing is formed directly on the flywheel or one of the flywheels or on a starter ring gear of the flywheel.
  • the drive train according to the invention for a vehicle has an engine, in particular an internal combustion engine (an internal combustion engine), a transmission and an intermediate between the prime mover and the transmission torque transmission device, which is designed as above-mentioned torque transmission device.
  • an engine in particular an internal combustion engine (an internal combustion engine)
  • a transmission and an intermediate between the prime mover and the transmission torque transmission device, which is designed as above-mentioned torque transmission device.
  • FIG. 1 shows a torque transmission device according to a first preferred
  • FIG. 3 shows a torque transmission device according to a third preferred
  • Embodiment of the invention in a sectional view.
  • the torque transmission device 10 has, for example, a friction clutch (not shown) in the powertrain of a motor vehicle is generally interposed between the crankshaft of the internal combustion engine (the internal combustion engine) and / or the output shaft of another prime mover of the motor vehicle and a transmission input shaft of a transmission (both not shown).
  • the torque transmission device 10 has a flywheel 14 designed as a single flywheel 12 with a flywheel 16 and a centrifugal pendulum 18.
  • the rotary part is, for example, a rigid flywheel, the primary or secondary mass of a dual-mass flywheel, a converter part, a clutch plate or a clutch pressure plate.
  • the centrifugal pendulum 18 comprises a plurality of pendulum masses 20 and a carrier device 22 carrying these pendulum masses 20, wherein only one of these pendulum masses 20 is shown in the figures.
  • the torque transmission device 10 has a bearing device 24 for supporting the centrifugal pendulum 18 on the flywheel 14.
  • the flywheel 14 has on its outer circumference 26, ie radially outside of the centrifugal force pendulum 18, a starter ring gear 28 with a starter toothing in the form of a spur gear.
  • the flywheel 16 of the flywheel 14 has on one side a recess 29 for receiving the centrifugal pendulum 18.
  • Each of the pendulum masses 20 is guided by means of at least one slide guide (not shown) along guide surfaces 30, 32 of the carrier device 22 on corresponding tracks.
  • each of the pendulum masses 20 with (not shown) sliding recesses and the support means 22 in the region of their guide surfaces 30, 32 with further (not shown) Kulissenaus fundamentalept for engagement at least one guide roller 34 is provided.
  • Per pendulum mass 20, for example, two guide rollers 34 are provided.
  • Each of the guide rollers 34 passes through a sliding recess of its associated pendulum mass 20 and the other scenes recesses of the guide surfaces 30, 32 forming elements of the support means 22.
  • the slide recesses form roller conveyors of the guide rollers 34.
  • Each of the pendulum masses 20 is carried out in the example as a laminated core, by means of rivets 36 is held together.
  • the bearing device 24 forms on the one hand a rotary bearing for the centrifugal pendulum 18 and on the other hand, together with a part of the support means 22, an overload protection coupling 38, more precisely an overload protection by means of adhesion Slip clutch 40.
  • the bearing device 24 shown in FIG. 1 has two coupling elements 40, 42 arranged between the flywheel 14 and the support device 22 and a spring element 46 which effects the force exerted on the coupling elements 42, 44.
  • the coupling elements 42, 44 each have an annular basic shape, so they are designed as friction rings. Alternatively, groups of a plurality of segment elements distributed over the circumference formed coupling elements 42, 44 are provided.
  • the spring element 46 is mounted between the starter ring gear 28 and flywheel 16 and axially presses directly against one of the two coupling elements 42.
  • the coupling elements 42, 44 are arranged in a radial outer region 48 of the centrifugal pendulum 18 axially on both sides of the support means 22.
  • the pendulum masses 20 are guided between two guide plates 50, 52 of the carrier device, which form the guide surfaces 30, 32.
  • the one of the two coupling elements 42 is arranged between the free end of the spring element 46 and a guide plate 50 of the support means 22 and the other of the two coupling elements 44 is disposed between the other guide plate 52 of the support means 22 and the flywheel 16.
  • the overload protection coupling 38 thus acts on the radial outer region 48 of the centrifugal pendulum 18.
  • the other of the two annular Coupling elements 46 has an L-shaped cross-section and is arranged in the recess 29 both axially and radially between flywheel 14 and support means 22.
  • the torque transmitting device 10 further includes a clutch (not shown) engageable and disengageable.
  • the flywheel 14 forms a counter-pressure plate of this friction clutch.
  • the friction clutch also has a clutch disc and a pressure plate (not shown) for pressing the clutch disc between the pressure plate and the counter pressure plate.
  • the clutch disc of the counter-pressure plate (or the flywheel 14) and the (not shown) pressure plate of the clutch disc is connected downstream.
  • FIGS. 2 and 3 show two further variants of the torque transmission device 10, which essentially correspond to that of FIG. 1, so that only the differences should be discussed here.
  • the respective two-piece pendulum masses 20 are axially guided on both sides of a single guide plate 50 of the support means 22, which forms the guide surfaces 30, 32 on its two sides.
  • the force is applied to the coupling elements 42, 44 similarly as in the embodiment of FIG. 1.
  • the support of the plate spring formed as a spring element 46 takes place in the opposite direction (the Kraftbeetzungsplatz) by means of a locking ring 54 in a circumferential inside Groove 56 in the flywheel 14.
  • the force is applied to the coupling elements 42, 44 as in the embodiments of Figures 1 and 2.
  • the support of the plate spring formed as spring element 46 takes place in the opposite direction by means of a paragraph 58 (with a corresponding projection) on the inner circumference of the ring gear 28 (possibly screwed, riveted or welded) or alternatively by a separate locking ring (eg screwed, riveted or welded).
  • the storage can be done, for example, on the inner diameter of the centrifugal pendulum 18.
  • the bearing device 24 then two sub-devices (not shown), wherein one sub-device forms the overload protection coupling 38 or mit vers and radially supports and the other sub-device of the bearing means 24 provides for the axial bearing.
  • the overload protection clutch or slip clutch 38, 40 designed so that a certain maximum torque value can be transmitted from and to the centrifugal pendulum 18. If this maximum torque value is exceeded, the carrier device 22 of the centrifugal force pendulum 18 can rotate relative to the flywheel 14 (or the other rotary part). It is thus used a kind of torque limitation (overload clutch). Thus, all types or operating principles of overload protection clutches 38 can be used for this task (ratchet teeth, axial or radial spring shapes, etc.). The maximum torque value of the clutch 38 is limited so that no component damage occurs due to the jerky reaching of the movement range ends of the pendulum masses 20.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un dispositif de transmission de couple, destiné à une chaîne cinématique d'un véhicule. Ce dispositif est pourvu d'une partie rotative, en particulier d'un volant d'inertie comprenant au moins une masse oscillante, d'au moins un pendule à force centrifuge, lequel comprend au moins une masse pendulaire et au moins un dispositif de support portant cette masse pendulaire, ainsi que d'un dispositif de montage destiné à monter le pendule à force centrifuge sur la partie rotative. Le dispositif de montage forme à lui seul, ou conjointement avec au moins une portion de la partie rotative et/ou du dispositif de support, un accouplement protecteur de surcharge, en particulier un accouplement à glissement mettant en œuvre la protection contre une surcharge au moyen d'une liaison à force. L'invention concerne en outre une chaîne cinématique destinée à un véhicule pourvu d'un tel dispositif de transmission de couple.
PCT/DE2013/200244 2012-11-30 2013-10-24 Dispositif de transmission de couple et chaîne cinématique pourvue d'un dispositif de transmission de couple WO2014082629A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012221956.0A DE102012221956A1 (de) 2012-11-30 2012-11-30 Drehmomentübertragungseinrichtung und Antriebsstrang mit Drehmomentübertragungseinrichtung
DE102012221956.0 2012-11-30

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Publication Number Publication Date
WO2014082629A1 true WO2014082629A1 (fr) 2014-06-05

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PCT/DE2013/200244 WO2014082629A1 (fr) 2012-11-30 2013-10-24 Dispositif de transmission de couple et chaîne cinématique pourvue d'un dispositif de transmission de couple

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DE (1) DE102012221956A1 (fr)
WO (1) WO2014082629A1 (fr)

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DE102015208736A1 (de) 2014-06-06 2015-12-10 Schaeffler Technologies AG & Co. KG Fliehkraftpendeleinrichtung
DE102015210228A1 (de) 2014-06-11 2015-12-17 Schaeffler Technologies AG & Co. KG Fliekraftpendel
DE102014220096A1 (de) 2014-10-02 2016-04-07 Schaeffler Technologies AG & Co. KG Fliehkraftpendelanordnung
DE102014220341A1 (de) 2014-10-08 2016-04-14 Schaeffler Technologies AG & Co. KG Drehmomentübertragungseinrichtung mit schallgedämmtem Fliehkraftpendel
CN105605152A (zh) * 2014-11-18 2016-05-25 舍弗勒技术股份两合公司 单质量飞轮
DE102015202422A1 (de) 2015-02-11 2016-08-11 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfungsanordnung mit Fliehkraftpendel
DE102015204329A1 (de) 2015-03-11 2016-09-15 Schaeffler Technologies AG & Co. KG Fliehkraftpendel
DE102015204994A1 (de) 2015-03-19 2016-09-22 Schaeffler Technologies AG & Co. KG Fliehkraftpendel
DE102015206451A1 (de) 2015-04-10 2016-10-13 Schaeffler Technologies AG & Co. KG Fliehkraftpendel
EP3085990A1 (fr) 2015-04-23 2016-10-26 Schaeffler Technologies AG & Co. KG Pendule centrifuge
DE102016206114A1 (de) 2015-04-22 2016-10-27 Schaeffler Technologies AG & Co. KG Fliehkraftpendel
DE102015211618A1 (de) 2015-06-23 2016-12-29 Schaeffler Technologies AG & Co. KG Fliehkraftpendel
WO2017000941A1 (fr) 2015-06-30 2017-01-05 Schaeffler Technologies AG & Co. KG Pendule centrifuge
DE102015215268A1 (de) 2015-08-11 2017-02-16 Schaeffler Technologies AG & Co. KG Fliehkraftpendel
WO2017025092A1 (fr) 2015-08-11 2017-02-16 Schaeffler Technologies AG & Co. KG Dispositif de pendule à force centrifuge
DE102015215889A1 (de) 2015-08-20 2017-02-23 Schaeffler Technologies AG & Co. KG Fliehkraftpendel und hydrodynamischer Drehmomentwandler mit Fliehkraftpendel
DE102015215910A1 (de) 2015-08-20 2017-02-23 Schaeffler Technologies AG & Co. KG Fliehkraftpendel und hydrodynamischer Drehmomentwandler mit Fliehkraftpendel
DE102015215888A1 (de) 2015-08-20 2017-02-23 Schaeffler Technologies AG & Co. KG Fliehkraftpendel und hydrodynamischer Drehmomentwandler mit Fliehkraftpendel
DE102015215883A1 (de) 2015-08-20 2017-02-23 Schaeffler Technologies AG & Co. KG Fliehkraftpendel und hydrodynamischer Drehmomentwandler mit Fliehkraftpendel
WO2017028859A1 (fr) 2015-08-20 2017-02-23 Schaeffler Technologies AG & Co. KG Pendule à force centrifuge et convertisseur de couple hydrodynamique équipé d'un pendule à force centrifuge
DE102015215880A1 (de) 2015-08-20 2017-02-23 Schaeffler Technologies AG & Co. KG Fliehkraftpendel und hydrodynamischer Drehmomentwandler mit Fliehkraftpendel
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DE102015216948A1 (de) 2015-09-04 2017-03-09 Schaeffler Technologies AG & Co. KG Fliehkraftpendel
WO2017050328A1 (fr) * 2015-09-25 2017-03-30 Schaeffler Technologies AG & Co. KG (double) embrayage muni d'une plaque de transmission de couple, système comprenant un embrayage et un outil et procédé d'équilibrage d'un embrayage
DE102016223172A1 (de) 2015-11-23 2017-05-24 Schaeffler Technologies AG & Co. KG Fliehkraftpendeleinrichtung
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DE102015226222A1 (de) 2015-12-21 2017-06-22 Schaeffler Technologies AG & Co. KG Doppelkupplung mit Fliehkraftpendel
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FR3052519A1 (fr) * 2016-06-14 2017-12-15 Valeo Embrayages Composant pour systeme de transmission avec dispositif d'amortissement pendulaire
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FR3070462A1 (fr) * 2017-08-29 2019-03-01 Valeo Embrayages Amortisseur de torsion
CN110242699A (zh) * 2018-03-08 2019-09-17 博格华纳公司 扭矩传递装置、具有其的驱动系和用于其的离心摆装置
WO2020120552A1 (fr) * 2018-12-13 2020-06-18 Zf Friedrichshafen Ag Arrangement d'accouplement comprenant un boîtier et comprenant un système amortisseur

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