WO2017050326A1 - Ensemble pendule à force centrifuge - Google Patents

Ensemble pendule à force centrifuge Download PDF

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Publication number
WO2017050326A1
WO2017050326A1 PCT/DE2016/200398 DE2016200398W WO2017050326A1 WO 2017050326 A1 WO2017050326 A1 WO 2017050326A1 DE 2016200398 W DE2016200398 W DE 2016200398W WO 2017050326 A1 WO2017050326 A1 WO 2017050326A1
Authority
WO
WIPO (PCT)
Prior art keywords
pendulum
sliding element
mass
carrier
centrifugal
Prior art date
Application number
PCT/DE2016/200398
Other languages
German (de)
English (en)
Inventor
Waldemar Weimann
Gerd Ahnert
Gerhard Gander
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 DE112016004278.7T priority Critical patent/DE112016004278A5/de
Publication of WO2017050326A1 publication Critical patent/WO2017050326A1/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

Definitions

  • the invention relates to a centrifugal pendulum device for arrangement in the drive train of a motor vehicle, with at least one pendulum mass, which is arranged on at least one carrier disk and can perform a relative movement to the carrier disk along a predetermined pendulum track.
  • Vibration damper works. Since both the natural frequency of the centrifugal pendulum oscillation and the excitation frequency are proportional to the speed, a
  • a centrifugal pendulum device serves to reduce vibrations and noise in the drive train of a motor vehicle.
  • Such a centrifugal pendulum device comprises at least one pendulum mass, which is suspended for example by means of carrier rollers or the like on a rotating carrier disk and along predetermined pendulum paths can perform a relative movement to the carrier disk, in order to occupy a variable distance from the axis of rotation of the carrier disk.
  • the construction and the function of such a centrifugal force pens is described, for example, in DE 10 2006 028 552 A1.
  • the Pendulum masses are mounted on the carrier disc by means of rollers. The rollers run in oblong holes of the carrier disc and slots of the pendulum masses.
  • centrifugal pendulum devices In addition to a centrifugal pendulum device with a carrier disk, on both sides of which pendulum masses of a pendulum mass are arranged, centrifugal pendulum devices are also known in which the pendulum masses are arranged between two axially spaced apart carrier discs.
  • roller centering rims on the rollers keep the pendulum part masses at a defined distance from the carrier disk.
  • the rollers have Borde or diameter steps as Rollenenzentrierborde.
  • the side surfaces of the Rollenenzentrierborde which may be additionally profiled conically or otherwise, to the respective opposite pendulum parts or flange an axial bearing is achieved.
  • the pendulum against the rollers and these in turn supported against the flange.
  • the pendulums are guided in relation to the flange.
  • the problem is the dimensioning of the components and the openings in the pendulum masses and the carrier disk, for example, to prevent immersion of the Rollenenzentrierborde, and the durability of the components.
  • the rollers may alternatively be axially guided by lateral starting areas relative to the outer pendulum part masses.
  • Deformed spacers or contact points can be realized by shaping the pendulum part masses or the carrier disk in the form of, for example, elevated raised areas. It is also possible to install additional components only for this purpose.
  • the guide parts have suitable sliding properties such as a low coefficient of friction and high wear resistance.
  • An object of the invention is therefore to provide a solution which avoids the disadvantages described above. This problem is solved by a centrifugal pendulum device according to claim 1. Preferred embodiments, refinements or developments of the invention are specified in the dependent claims.
  • a centrifugal force pendulum device for arrangement in the drive train of a motor vehicle, with at least one pendulum mass arranged on at least one carrier disc and capable of relative movement to the carrier disc along a predetermined pendulum path, at least one of the pendulum masses and one of the carrier disks is arranged a flat sliding element.
  • the centrifugal pendulum device comprises a carrier disk on which pendulum sub-masses are arranged on both sides
  • the abovementioned problem is in particular also solved by a centrifugal pendulum device for arrangement in the drive train of a motor vehicle, with at least two pendulum masses arranged on a carrier plate and along a predetermined pendulum track can perform a relative movement to the support disk, wherein the pendulum masses each comprise two pendulum masses, which are arranged on both sides of the support disk, and wherein at least one of the pendulum masses and the support disk, a flat sliding element is arranged.
  • a flat sliding element is understood to mean a sliding element whose radial extent and extent in the circumferential direction is significantly greater than its axial height.
  • the flat sliding element covers a large part of the gap between pendulum mass or pendulum part mass and carrier disk in the radial direction and in the circumferential direction.
  • the flat sliding element is designed so that it comes in contact with a predominant surface portion of the pendulum mass at a start of the pendulum mass, so that only a low surface pressure occurs.
  • the sliding element covers more than half the surface of the pendulum mass. In one embodiment of the invention, therefore, the sliding element covers the majority of the surface of the pendulum mass facing the carrier disk. The sliding element can also almost completely cover the surface of the pendulum mass facing the carrier disk.
  • the sliding element is fastened either to the carrier disk or to the pendulum mass or pendulum component mass.
  • the sliding element is adhesively bonded to the carrier disk or pendulum mass in one embodiment of the invention.
  • the sliding element is injection-molded onto the carrier disk or the pendulum mass with a plastic region.
  • the respective pendulum mass or pendulum part mass can, for. B. as an insert in an injection molding tool in the necessary areas with plastic.
  • a separate sheet metal part with coating can be used instead of a plastic guide part. This additional part can then be mounted in each case on the inside of the pendulum plates (facing the carrier plate).
  • plastic guide parts other suitable materials such as ceramic composite materials may be used.
  • the sliding element is connected to the carrier disk, the pendulum mass or pendulum component mass by means of a clip connection, which allows a particularly easy assembly.
  • the sliding element and the pendulum mass or pendulum part mass have, in one embodiment of the invention, bores for receiving cylindrical stepped bolts, wherein the bores in the sliding element have a larger diameter than the bores in the pendulum part mass and thus contribute to fastening of the sliding element relative to the pendulum part mass ,
  • a flat sliding element are arranged between all pendulum mass or pendulum masses and the or the carrier disc (s).
  • the carrier disk When attached to the carrier disk, it can also be a single sliding element on each side of the carrier disk or opposite sides of the carrier disks, each covering all pendulum masses.
  • an almost full-surface guide element is arranged as a sliding element respectively on the pendulum inner side or on both sides of the pendulum mass. Since all pendulums are equipped with this guide element is a relatively simple and safe production and assembly feasible. The large-area design ensures a high wear volume and thus high wear resistance. Since no areas protrude from the pendulum inside, hooking into the contours or openings of the inner support disc is impossible.
  • the guide parts can z. B. be created from a plastic with advantageous sliding properties and high wear resistance.
  • the guide parts can be manufactured as a flat item and z. B. be fixed by gluing each on the pendulum masses. Alternatively or additionally, a positional fixation by the collar shape of the rivet bolts for connecting two pendulum masses can be done.
  • FIG. 1 shows a detail of an embodiment of a centrifugal pendulum device according to the invention in a spatial representation
  • Fig. 2 shows the detail of FIG. 1 without pendulum part mass
  • FIG. 3 shows a section l-l through a first embodiment of a centrifugal pendulum device according to the invention
  • FIG. 4 shows a section through a second embodiment of a centrifugal pendulum device according to the invention
  • FIG. 5 shows a pendulum part mass with sliding element arranged thereon.
  • centrifugal pendulum device 1 shows a detail of an embodiment of a centrifugal pendulum device 1 according to the invention in a spatial representation.
  • the centrifugal pendulum device 1 comprises a carrier disk 2 with an opening 3.
  • the carrier disk 2 is screwed or riveted in the installed position with a secondary flange or primary flange, not shown, of a dual mass flywheel, a clutch housing or a clutch back plate or the like.
  • Arrangements of a centrifugal pendulum in the drive train of a motor vehicle are described for example in DE 10 2006 028 556 A1.
  • the pendulum masses 4 each comprise two pendulum masses 5a and 5b, which are respectively arranged on both sides of the support plate 2.
  • the pendulum masses 5a and 5b of the pendulum mass 4 are each firmly connected to each other and slidably or movably mounted relative to the support plate 2.
  • the two pendulum part masses 5a and 5b of each centrifugal pendulum 4 are connected to each other with a plurality of connecting bolts 6 which are arranged distributed over the pendulum masses 4. Since the pendulum masses 4 are arranged displaceably relative to the carrier disk 2 both in the circumferential direction and in the radial direction along a slotted guide, cut-outs 7 are respectively made in the carrier disk 2 in which the connecting bolts 6 are arranged with play relative to the carrier disk 2. Some or all of the connecting pins 6 are provided with sleeves 12, see Fig. 3, which are made for example of rubber or the like, to dampen striking of the connecting pin 6 in the cutouts 7 in approach or exit or at low speeds.
  • rollers 10 are arranged in slots 8 in the pendulum part masses 5a, 5b and in slots 9 in the support plate 2 .
  • the rollers 10 are rotationally symmetrical body see with a central axis M.
  • the rollers 10 in conjunction with the slots 8 in the pendulum sub-masses 5a, 5b and the slots 9 in the support plate 2 a slotted guide for each pendulum mass 4, the movement of the pendulum mass 4 allow along predetermined paths relative to the support plate 2.
  • the raceways of the rollers 10 relative to the support plate 2 and the Pendulum masses 4 are designed so that the center of gravity of the pendulum mass 4 ideally moves on a circular path with a radius I, wherein the radius I of the circular path has a distance e to the axis of rotation R.
  • the movement can correspond to a parallel pendulum or a trapezoidal pendulum.
  • This movement generates a variable distance of the center of gravity from the axis of rotation R.
  • the square root from the ratio e to radius I is a measure of the natural circular frequency of the centrifugal pendulum relative to the angular frequency of the rotation about the axis of rotation R.
  • the natural angular frequency or absorber frequency of the centrifugal pendulum is therefore proportional to the speed of the centrifugal pendulum device.
  • Fig. 2 shows the detail of Fig. 2 without the pendulum part mass 5b.
  • the view is free on a sliding element 1 1 b, which is arranged between the carrier plate 2 and pendulum part mass 5b.
  • a sliding element 1 1 b is arranged between the carrier plate 2 and the pendulum sub-segment 5a.
  • Fig. 3 shows the section I - I in Fig. 1st
  • the sliding elements 1 1 1 a and 1 1 b are arranged flat on the axial surfaces of the support plate 2, so that the pendulum part masses 5a, 5b can not start directly on the support plate 2, but can come into contact with the respective sliding element 1 1.
  • the sliding elements 1 1 a and 1 1 b are glued in the embodiment of FIG. 3 on the support plate 2. Between the pendulum sub-masses 5a, 5b facing surfaces of the respective sliding elements 1 1 a, 1 1 b and the pendulum sub-masses 5a, 5b remains in each case a gap 13a, 13 b.
  • the sliding elements 1 1 1 a, 1 1 b may also be molded or attached by means of a clip connection to the support plate 2.
  • Fig. 2 shows a plan view of the sliding member 1 1 b. In the illustration of FIG. 2, therefore, the pendulum part mass 5b is removed. As can be seen, corresponds to the contour of the sliding element 1 1 b substantially the contour of the pendulum part mass 5b and covers the sliding element 1 1 b practically completely.
  • the sliding elements 1 1 cover part of the elongated holes 9 introduced into the carrier disk 2.
  • the rollers 10 comprise cylindrical roller bodies 14a and 14b with small diameters which are arranged essentially in the slots 8 in the pendulum part masses 5a, 5b and on the latter Rolling or sliding surface, and a roller body 15 with a large diameter.
  • the roller body 15 with a large diameter rolls or slides on the inner contour of the elongated hole 9 in the carrier disc 2 from.
  • the sliding elements 1 1 a, 1 1 b form, as can be seen in Fig. 3, an axial stop and an axial guide for the roller body 15 and thus for the rollers 10th
  • Fig. 4 shows a section like that of Fig. 3 by an alternative embodiment of the invention.
  • the sliding elements 1 1 a, 1 1 b are not attached to the support plate 2 but to the pendulum part masses 5a, 5b. It is thus, so to speak, the geometric reversal of the arrangement of the sliding elements 1 1 a, 1 1 b compared with the embodiment of FIG. 3rd
  • FIG. 5 shows a pendulum part mass 5 with sliding element 11 arranged thereon.
  • the connecting bolts 6 are stepped bolts and include outer cylindrical portions 16 a, 16 b having a smaller diameter and an inner cylindrical portion 17 having a larger diameter.
  • the diameters of the bores 18 introduced into the sliding element 1 1 in the area of bores 19 in the pendulum part mass 5 for receiving the bolts 6 correspond in each case to the outer diameter of the inner cylindrical area 17.
  • the area 17 is large Diameter of the bolt 6 on the inner contour of the bores 18 of the sliding elements 1 1 a, 1 1 b.
  • the bolts 6 are part of the attachment of the sliding elements 1 1 a, 1 1 b and form for this a positive stop in the plane of rotation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

Ensemble pendule à force centrifuge destiné à être monté dans la transmission d'un véhicule à moteur, qui comporte au moins une masse pendulaire disposée sur au moins un disque de support, et pouvant effectuer un mouvement relatif par rapport au disque de support le long d'une trajectoire de pendule prédéfinie, un élément de glissement plan étant disposé au moins entre une des masses pendulaires et un des disques de support.
PCT/DE2016/200398 2015-09-22 2016-08-25 Ensemble pendule à force centrifuge WO2017050326A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112016004278.7T DE112016004278A5 (de) 2015-09-22 2016-08-25 Fliehkraftpendeleinrichtung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102015218133 2015-09-22
DE102015218133.2 2015-09-22
DE102015221456 2015-11-03
DE102015221456.7 2015-11-03

Publications (1)

Publication Number Publication Date
WO2017050326A1 true WO2017050326A1 (fr) 2017-03-30

Family

ID=57067898

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2016/200398 WO2017050326A1 (fr) 2015-09-22 2016-08-25 Ensemble pendule à force centrifuge

Country Status (2)

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DE (2) DE112016004278A5 (fr)
WO (1) WO2017050326A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10132383B2 (en) * 2016-04-13 2018-11-20 Schaeffler Technologies AG & Co. KG Centrifugal pendulum absorber for a torque converter
DE102017120919A1 (de) 2017-09-11 2019-03-14 Schaeffler Technologies AG & Co. KG Pendelmasse, Fliehkraftpendeleinrichtung und Drehmomentübertragungseinrichtung
DE102019107534A1 (de) 2018-04-18 2019-10-24 Schaeffler Technologies AG & Co. KG Fliehkraftpendellagerrolle, Fliehkraftpendel mit Fliehkraftpendellagerrolle, Kupplung mit Fliehkraftpendel sowie Fertigstellungsverfahren

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006028556A1 (de) 2005-07-11 2007-01-18 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Drehmomentübertragungseinrichtung
DE102006028552A1 (de) 2005-10-29 2007-05-03 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Kupplungseinrichtung
DE102013210043A1 (de) * 2012-06-19 2013-12-19 Schaeffler Technologies AG & Co. KG Pendelrolle für eine Fliehkraftpendeleinrichtung undFliehkraftpendeleinrichtung mit einer Pendelrolle
DE102014112146A1 (de) * 2013-08-27 2015-03-05 Valeo Embrayages Dämpfungsvorrichtung, insbesondere für einen Antriebsstrang eines Kraftfahrzeugs
DE102013225622A1 (de) * 2013-12-11 2015-06-11 Schaeffler Technologies AG & Co. KG Drehmomentübertragungsvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006028556A1 (de) 2005-07-11 2007-01-18 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Drehmomentübertragungseinrichtung
DE102006028552A1 (de) 2005-10-29 2007-05-03 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Kupplungseinrichtung
DE102013210043A1 (de) * 2012-06-19 2013-12-19 Schaeffler Technologies AG & Co. KG Pendelrolle für eine Fliehkraftpendeleinrichtung undFliehkraftpendeleinrichtung mit einer Pendelrolle
DE102014112146A1 (de) * 2013-08-27 2015-03-05 Valeo Embrayages Dämpfungsvorrichtung, insbesondere für einen Antriebsstrang eines Kraftfahrzeugs
DE102013225622A1 (de) * 2013-12-11 2015-06-11 Schaeffler Technologies AG & Co. KG Drehmomentübertragungsvorrichtung

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Publication number Publication date
DE112016004278A5 (de) 2018-05-30
DE102016216935A1 (de) 2017-03-23

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