WO2017041796A1 - Amortisseur de vibrations de torsion - Google Patents

Amortisseur de vibrations de torsion Download PDF

Info

Publication number
WO2017041796A1
WO2017041796A1 PCT/DE2016/200367 DE2016200367W WO2017041796A1 WO 2017041796 A1 WO2017041796 A1 WO 2017041796A1 DE 2016200367 W DE2016200367 W DE 2016200367W WO 2017041796 A1 WO2017041796 A1 WO 2017041796A1
Authority
WO
WIPO (PCT)
Prior art keywords
damping element
pendulum mass
flange
pendulum
torsional vibration
Prior art date
Application number
PCT/DE2016/200367
Other languages
German (de)
English (en)
Inventor
Alain Rusch
Evgenij Franz
Steffen Lehmann
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 CN201680051823.4A priority Critical patent/CN108027011A/zh
Priority to DE112016004091.1T priority patent/DE112016004091A5/de
Publication of WO2017041796A1 publication Critical patent/WO2017041796A1/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 torsional vibration damper, in particular for the drive train of a motor vehicle.
  • torsional vibration damper which may also be referred to as torsional vibration damper.
  • Such a centrifugal pendulum device has become known from WO 2015/058766 A1, in which at least two pendulum masses are guided as centrifugal weights by means of spherical rollers as roller elements on a carrier element or on two carrier elements along a predetermined track to reduce torsional vibrations.
  • the pendulum masses can in the field of centrifugal acceleration while doing vibrations along their tracks when they are excited by torque fluctuations of an internal combustion engine.
  • As a result of these vibrations energy is drawn from the excitation oscillation at appropriate times and supplied again at other times, so that the exciter oscillation is calmed, so that the centrifugal pendulum device thus acts as a damper or absorber.
  • the damper action of the centrifugal pendulum device can extend over the entire frequency range.
  • This damping element is used so that the shocks of the pendulum mass can be damped against the web boundary and against the support elements.
  • the damping element is clamped between two carrier elements. Since the damping element consists of an elastic material, such as elastomer and rubber in particular, it expands at high speed and leaves it optionally its installation position and can thus optionally between the support elements to be clamped. It may also happen that thereby the required bursting strength is not achieved.
  • An embodiment of the invention relates to a torsional vibration damper with a centrifugal pendulum device with at least one rotatably mounted flange with displaceably arranged at least two pendulum masses, wherein in the at least one flange and in the pendulum masses are provided raceways, in which at least one roller element engages for supporting the respective pendulum mass on the flange, wherein a damping element is arranged radially inwardly of the respective pendulum mass, which is located on its radially outer Surface on the radially inner surface of the pendulum mass applies and which radially on the inside of a contact surface can be applied or wherein on the flange, a damping element is arranged, to which the radially inner surface of the pendulum mass can be applied.
  • the torsional vibration damper can be formed by the centrifugal pendulum device alone or it can also be provided in addition to the centrifugal pendulum device further damping means, such as a spring damper device and / or a friction damping device, etc.
  • the damping element is attached to the radially inner surface of the pendulum mass. This is particularly well achieved that the damping element is dimensionally stable, because it is supported radially on the outside, where it is attached to the pendulum mass.
  • damping element is fastened by means of an adhesive connection to the radially inner surface of the pendulum mass or that the damping element is fastened to the flange by means of an adhesive connection. This ensures that an immediate attachment to the supporting surface can be effected, which causes a good support without further required elements.
  • the pendulum mass is formed at a maximum swing angle relative to the flange with the damping element against a cylindrical contact surface, in particular of the flange, bangeable. This is a large-scale system between pendulum mass and the contact surface achieved by the damping element, which improves the damping properties when striking.
  • the damping element is connected by vulcanization with the PT or that the damping element is connected by vulcanization with the flange. This allows a simple and secure attachment can be achieved.
  • the vulcanization is a method of attachment that does not require additional fasteners.
  • the pendulum mass on its radially inner surface, in particular on the inner diameter, spaced sealing surfaces, between which the damping element is arranged.
  • These sealing surfaces serve advantageously the positioning of tools or the like.
  • the sealing surfaces advantageously serve to position the damping element.
  • the sealing surfaces of the vulcanization of the damping element serve on the pendulum mass. This defines the area that lies between the sealing surfaces and in which the damping element is vulcanised.
  • a tool can be created which places the material to be vulcanized.
  • damping element in particular as a band-shaped damping element is attached by means of an additional component to the radially inner surface of the pendulum mass or is attached to the flange is particularly advantageous. Even so, a damping element can be fastened.
  • the damping element is fastened by means of an adhesive connection to the pendulum mass or to the flange.
  • an alternative damping element can be provided with alternative means.
  • the damping element is an elastic element, which is fastened to a pendulum mass, a flange or to an alternative element of a centrifugal pendulum device.
  • FIG. 1 shows a schematic side view of an embodiment of a pendulum mass
  • FIG. 2 shows a sectional view of the pendulum mass according to FIG. 1,
  • FIG. 3 shows an enlarged detail view of the pendulum mass according to FIG. 2,
  • Figure 4 is a view of the pendulum mass on a flange of the centrifugal pendulum device
  • Figure 5 is a schematic side view of an alternative embodiment of a pendulum mass.
  • FIG. 1 shows a pendulum mass 1 of a centrifugal pendulum device.
  • the pendulum mass 1 is formed annular segment-shaped and has a radially inner surface 2, a radially outer surface 3 and two side surfaces 4.
  • two raceways 5 are provided for the arrangement of roller elements to support the pendulum mass 1 displaceable on at least one flange of the centrifugal pendulum device.
  • the pendulum mass 1 is part of a torsional vibration damper with a centrifugal pendulum device with at least one rotatably mounted flange with it displaceably arranged at least two pendulum masses 1, wherein in the at least a flange and in the pendulum masses 1 raceways 5 are provided, in which at least one respective roller element engages for supporting the respective pendulum mass 1 on the at least one flange.
  • a damping element 6 is arranged, which rests on its radially outer surface 7 on the radially inner surface 8 of the pendulum mass 1.
  • the damping element 6 is formed as a substantially elongated line-like element which extends almost over the entire length of the radially inner surface 8. Viewed in section, the damping element 6 is approximately semicircular, see Figure 2 or Figure 3.
  • the damping element 6 is fixed to the radially inner surface 8 of the pendulum mass 1.
  • the damping element 6 may be secured by means of an adhesive connection to the radially inner surface 8 of the pendulum mass 1.
  • FIG. 4 shows a pendulum mass 1, which is mounted so as to be displaceable on a flange 10 by means of roller elements 12.
  • the damping element 6 on the radially inner surface 8 of the pendulum mass 1 can create radially inwardly of the contact surface 1 1.
  • the damping element could also be arranged and fastened to the flange 10 so that a damping element could rest there.
  • FIG. 5 shows a further exemplary embodiment of a pendulum mass 20, in which the pendulum mass 20 is likewise designed as an annular segment-shaped element, with a radially inner surface 21, a radially outer surface 22 and two side surfaces 23. Also in the pendulum mass 20 two raceways 24 are provided for the arrangement of roller elements to store the pendulum mass 20 displaceable on at least one flange of the centrifugal pendulum device.
  • the arranged and fixed to the pendulum mass 20 damping element 25 is not only arranged on the radially inner surface 21, but also extends to the side surfaces 23 radially outward.
  • the damping element 6, 25 is in accordance with an embodiment by vulcanization tion with the respective pendulum mass 1, 20 connected.
  • the damping element could also be connected to the flange by vulcanization when the damping element is connected to the flange.
  • the pendulum mass To perform the vulcanization of the damping element on the pendulum mass, the pendulum mass, see Figure 3, on its radially inner surface 8, in particular on the inner diameter, spaced sealing surfaces 9, between which the damping element 6 is arranged.
  • the sealing surfaces 9 serve the placement of tools for performing the vulcanization on the corresponding surface of the pendulum mass or possibly also of the flange.
  • the sealing surfaces 9 serve to vulcanize the damping element 6, in particular on the pendulum mass 1.
  • the damping element in particular as a band-shaped damping element, can also be fastened by means of an additional component to the radially inner surface of the pendulum mass.
  • the damping element in particular as a band-shaped damping element, can also be fastened by means of an additional component to the radially inner surface of the pendulum mass.
  • the damping element may also be secured by means of an adhesive connection to the pendulum mass or on the flange.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

L'invention concerne un amortisseur de vibrations de torsion comprenant un dispositif de pendule à force centrifuge présentant au moins une bride (10) montée en rotation sur laquelle au moins deux masses pendulaires (1, 20) sont montées mobiles. Des voies de roulement (5, 24), dans lesquelles s'insère au moins dans chaque cas un élément roulant (12) pour le montage de la masse pendulaire (1, 20) respective sur la bride (10), sont situées dans la ou les brides (10) et dans les masses pendulaires (1, 20). Un élément d'amortissement (6, 25), lequel s'applique par sa surface (7) située radialement à l'extérieur contre la surface (2, 21), située radialement à l'intérieur, de la masse pendulaire (1, 20), et lequel peut être appliqué radialement à l'intérieur contre une surface d'appui, est agencé radialement à l'intérieur sur la masse pendulaire (1, 20) respective ou un élément d'amortissement (6, 25), contre lequel la surface (2, 21) radialement intérieure de la masse pendulaire (1, 20) peut être appliquée, est agencé sur la bride (10).
PCT/DE2016/200367 2015-09-10 2016-08-10 Amortisseur de vibrations de torsion WO2017041796A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680051823.4A CN108027011A (zh) 2015-09-10 2016-08-10 扭转振动减振器
DE112016004091.1T DE112016004091A5 (de) 2015-09-10 2016-08-10 Drehschwingungsdämpfer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015217271.6 2015-09-10
DE102015217271.6A DE102015217271A1 (de) 2015-09-10 2015-09-10 Drehschwingungsdämpfer

Publications (1)

Publication Number Publication Date
WO2017041796A1 true WO2017041796A1 (fr) 2017-03-16

Family

ID=56979300

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2016/200367 WO2017041796A1 (fr) 2015-09-10 2016-08-10 Amortisseur de vibrations de torsion

Country Status (3)

Country Link
CN (1) CN108027011A (fr)
DE (2) DE102015217271A1 (fr)
WO (1) WO2017041796A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113366243A (zh) * 2019-01-28 2021-09-07 舍弗勒技术股份两合公司 具有端部止挡件的离心力摆装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012214214A1 (de) * 2011-09-05 2013-03-07 Schaeffler Technologies AG & Co. KG Fliehkraftpendel auf Flansch
FR2986593A1 (fr) * 2012-02-07 2013-08-09 Valeo Embrayages Dispositif d'amortissement pendulaire
WO2015028233A1 (fr) * 2013-08-28 2015-03-05 Zf Friedrichshafen Ag Système d'amortissement
WO2015058766A1 (fr) 2013-10-24 2015-04-30 Schaeffler Technologies AG & Co. KG Amortisseur de vibrations de torsion
DE102014211740A1 (de) 2014-06-18 2015-12-24 Schaeffler Technologies AG & Co. KG Fliehkraftpendeleinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103380312B (zh) * 2010-08-19 2016-02-10 舍弗勒技术股份两合公司 离心力摆装置及使用该离心力摆装置的扭转振动减振器
DE102011086436A1 (de) * 2010-12-20 2012-06-21 Schaeffler Technologies Gmbh & Co. Kg Drehschwingungstilgervorrichtung und Drehmomentübertragungsvorrichtung für ein Kraftfahrzeug
DE112011104566A5 (de) * 2010-12-23 2013-09-19 Schaeffler Technologies AG & Co. KG Fliehkraftpendeleinrichtung
FR2986591B1 (fr) * 2012-02-07 2019-12-20 Valeo Embrayages Dispositif d'amortissement pendulaire pour une transmission de vehicule automobile
DE102013217089A1 (de) * 2013-08-28 2015-03-05 Zf Friedrichshafen Ag Tilgersystem

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012214214A1 (de) * 2011-09-05 2013-03-07 Schaeffler Technologies AG & Co. KG Fliehkraftpendel auf Flansch
FR2986593A1 (fr) * 2012-02-07 2013-08-09 Valeo Embrayages Dispositif d'amortissement pendulaire
WO2015028233A1 (fr) * 2013-08-28 2015-03-05 Zf Friedrichshafen Ag Système d'amortissement
WO2015058766A1 (fr) 2013-10-24 2015-04-30 Schaeffler Technologies AG & Co. KG Amortisseur de vibrations de torsion
DE102014211740A1 (de) 2014-06-18 2015-12-24 Schaeffler Technologies AG & Co. KG Fliehkraftpendeleinrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113366243A (zh) * 2019-01-28 2021-09-07 舍弗勒技术股份两合公司 具有端部止挡件的离心力摆装置

Also Published As

Publication number Publication date
CN108027011A (zh) 2018-05-11
DE102015217271A1 (de) 2017-03-16
DE112016004091A5 (de) 2018-05-24

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