EP3976992A1 - Segmented vibration absorber - Google Patents

Segmented vibration absorber

Info

Publication number
EP3976992A1
EP3976992A1 EP20710102.3A EP20710102A EP3976992A1 EP 3976992 A1 EP3976992 A1 EP 3976992A1 EP 20710102 A EP20710102 A EP 20710102A EP 3976992 A1 EP3976992 A1 EP 3976992A1
Authority
EP
European Patent Office
Prior art keywords
segments
group
segment
vibration damper
another
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP20710102.3A
Other languages
German (de)
French (fr)
Inventor
Wim De Laet
Ben Marrant
Frederik Vanhollebeke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Wind Power Antwerpen NV
ZF Friedrichshafen AG
Vestas Wind Systems AS
Original Assignee
ZF Wind Power Antwerpen NV
ZF Friedrichshafen AG
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 ZF Wind Power Antwerpen NV, ZF Friedrichshafen AG filed Critical ZF Wind Power Antwerpen NV
Publication of EP3976992A1 publication Critical patent/EP3976992A1/en
Pending legal-status Critical Current

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
    • F16F15/1414—Masses driven by elastic elements
    • F16F15/1435—Elastomeric springs, i.e. made of plastic or rubber
    • F16F15/1442—Elastomeric springs, i.e. made of plastic or rubber with a single mass
    • 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
    • F16F15/1414—Masses driven by elastic elements
    • F16F15/1435—Elastomeric springs, i.e. made of plastic or rubber
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/0029—Location, co-location
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/32—Modular design
    • 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
    • F16F2238/00—Type of springs or dampers
    • F16F2238/02—Springs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the invention relates to a vibration damper according to the preamble of claim 1.
  • Vibration absorbers are used in wind turbines to reduce vibration of the transmission. Vibrations are associated with mechanical loads and can therefore lead to gearbox damage. If the frequencies of the vibrations are in the audible range, undesirable noise emissions occur.
  • the invention is based on the object of making available a vibration damper with improved properties compared to the solutions known from the prior art.
  • the vibration damper is designed to be fixed to the housing on a transmission or a component of the transmission.
  • the component is preferably a gear housing or a component fixed to the housing, i.e. a component that is rigid, i.e. without the possibility of a relative movement in which the gearbox is fixed.
  • a vibration damper is a vibration damper whose mass or damper mass is elastically fixed on one component or on several components that are rigidly connected to one another, ie without the possibility of relative movement.
  • a vibration damper generally has a damper mass and one or more elastic-specific suspensions. By means of the suspensions, the damper mass is fixed in a component whose vibrations are to be dampened. In the present case, the damper mass is fixed to the component of the transmission by means of the elastic suspensions.
  • the elastic suspensions can be elastomer bushings, for example.
  • the sockets are each fixed in a hole in the damper body and screwed to the gearbox.
  • the damper mass has a first group of segments. Segments denote parts of the absorber mass that are physically separated from each other. Two of the segments are not connected to one another in one piece.
  • the segments of the first group are rotationally symmetrical to one another with respect to an axis of rotation and / or the central axis of the transmission. This means that the segments of the first group can be mapped onto one another by rotating around the axis of rotation and / or central axis by at least an angle that is less than 360 °.
  • the segments of the first group are preferably not rotationally symmetrical to the axis of rotation and / or the central axis. This implies that the set of angles of mappings which the segments map onto one another is discrete.
  • the segments can preferably be mapped to one another by rotation exclusively by angles that amount to 60 ° / n or an integral multiple of 360 ° / n , where n denotes the number of segments. This implies that the segments or two segments each are structurally identical.
  • the above-mentioned axis of rotation is the axis of rotation of a rotatable component of the transmission. It can, for example, be the axis of rotation of a gearwheel, a shaft or a planet carrier.
  • the above-mentioned center axis is a straight line on which at least two center points of a component of the transmission, such as a ring gear, lie.
  • a geometric center of gravity of the component in a cutting plane which is directed orthogonally to the straight line is referred to as the center.
  • the segments are rigid, i. connected to one another without the possibility of relative movement. Due to the rigid connection, the segments work together as a single damper mass.
  • the rigid connection between two segments is made by connecting means that run between the segments and bridge a gap between the segments. This means that the connecting means are each rigidly connected to two segments.
  • the segments are structurally identical. Each two segments are therefore identical.
  • two components are structurally identical if they match in their physical parameters - especially with regard to their material and geometric properties - within the scope of the manufacturing tolerances that occur.
  • the damper mass has a second group of segments.
  • the segments of the second group have the same characteristics as the segments of the first group.
  • the above statements therefore apply mutatis mutandis to the segments of the second group.
  • the segments of the second group are rotationally symmetrical to one another with respect to the above-mentioned axis of rotation and / or central axis, preferably rigidly connected to one another, with a connecting means preferably connecting two segments of the second group rigidly to one another, and preferably of identical construction.
  • first group and the second group or the segments of the first group and the segments of the second group are arranged axially offset to one another. This means that between the segments of the first group pe and the segments of the second group runs a plane oriented orthogonally to the above-mentioned axis of rotation and / or central axis.
  • the training makes it possible to modify the size of the damper mass.
  • the size of the absorber mass can be adapted to that which occurs in operation
  • a segment of the first group and a segment of the second group are rigidly connected to one another.
  • the segments of the first group and the second group form a single damper mass.
  • one segment of the first group and one segment of the second group are each structurally identical.
  • the Til germasse thus consists of structurally identical segments.
  • the identical segments reduce variant-related costs.
  • the vibration damper is preferably part of a transmission that also has a ring gear.
  • the ring gear can be part of a planetary stage, which also has one or more planet gears, a planet carrier and a sun gear.
  • the Pla designated wheels are rotatably mounted in the planet carrier mesh with the ring gear and / or the sun gear.
  • At least two of the three components sun gear, planet carrier and ring gear are rotatably mounted about a common axis of rotation.
  • the third component is preferably fixed to the housing.
  • the axis of rotation around which the at least two components are rotatably mounted is preferably the axis of rotation mentioned at the beginning.
  • the vibration damper is fixed on the ring gear.
  • This fixation is, as described above, elastic and is preferably carried out by means of
  • the ring gear is screwed or joined to a housing of the transmission by means of one or more screws or dowel pins.
  • the screws or dowel pins also serve for fixing of the vibration absorber.
  • the vibration damper is therefore screwed or joined to the ring gear with the same screws or dowel pins with which the ring gear is screwed or joined to the housing.
  • the absorber mass 101 shown in FIG. 1 has four structurally identical segments 103a, 103b, 103c, 103d.
  • the segments 103a, 103b, 103c, 103d are arranged rotationally symmetrical. They can be mapped onto one another by rotating them through an angle of 90 °.
  • a connecting plate 105a, 105b, 105c, 105d which rigidly connects the segments 103a, 103b, 103c, 103d, is arranged between two segments 103a, 103b, 103c, 103d.
  • the connecting plate 105a connects the segments 103a, 103b to one another, the connecting plate 105b the segments 103b, 103c, the connecting plate 105c the segments 103c, 103d and the connecting plate 105d the segments 103d, 103a.
  • the connecting plates 105a, 105b, 105c, 105d are screwed to the respective segments 103a, 103b, 103c, 103d.
  • the segments 103a, 103b, 103c, 103d have bores 107 for fixing in a gear. In the exemplary embodiments shown in the figures, there are four bores 107 per segment 103a, 103b, 103c, 103d.
  • the fixing in the transmission is illustrated in detail in FIG. 2.
  • FIG. 2 shows a segment 103a with its bores 107.
  • the bores are arranged in a circle around the same axis to which the segments 103a, 103b, 103c, 103d are rotationally symmetrical.
  • Screws 201 protrude into the bores 107. These are the screws with which a ring gear is screwed to a transmission housing.
  • Elastomer bushings are fixed in the bores 107. These are not omitted in Fig. 2 for the sake of better illustration.
  • the elastomer bushings in turn are screwed with the screws 201. In this way, there is an elastic connection between the ring gear and the segment 103a.
  • the remaining segments 103b, 103c, 103d are fixed in the ring gear in the same way.
  • Each segment 103a, 103b, 103c, 103d forms, as shown in FIG. 3, with further segments a segment packet 301a, 301b, 301c, 301d.
  • the segments of each segment packet 301 a, 301 b, 301 c, 301 d are arranged axially offset from one another. As a result, the respective bores 107 of the segments 103a, 103b, 103c, 103d are aligned.
  • each segment packet 301 a, 301 b, 301 c, 301d is fixed in the ring gear with four sockets.
  • two segments of adjacent segment packets 301 a, 301 b, 301 c, 301 d are fixed in one another by means of connecting plates (not shown in FIG. 3).

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)
  • General Details Of Gearings (AREA)

Abstract

The invention relates to a vibration absorber for securely locking to the housing of a transmission. The vibration absorber as an absorption mass (101) having a first group of segments (103a, 103b, 103c, 103d) that are rotationally symmetrical to each other with respect to a rotational axis and/or a center axis of the transmission.

Description

Segmentierter Schwingungstilger Segmented vibration absorber
Die Erfindung betrifft einen Schwingungstilger nach dem Oberbegriff von Anspruch 1 . The invention relates to a vibration damper according to the preamble of claim 1.
In Windkraftanlagen werden Schwingungstilger eingesetzt, um Vibrationen des Ge triebes zu vermindern. Vibrationen gehen mit mechanischen Belastungen einher und können daher zu Getriebeschäden führen. Liegen die Frequenzen der Schwingun gen im hörbaren Bereich, kommt es zu unerwünschten Geräuschemissionen. Vibration absorbers are used in wind turbines to reduce vibration of the transmission. Vibrations are associated with mechanical loads and can therefore lead to gearbox damage. If the frequencies of the vibrations are in the audible range, undesirable noise emissions occur.
Sollten sich die beschriebenen Probleme erst Betrieb heraussteilen, ist es nicht mög lich, herkömmliche Schwingungstilger nachzurüsten. Auch ist es nicht möglich, her kömmliche Schwingungsdämpfer nachträglich an die auftretenden Schwingungen anzu passen. If the problems described should only become apparent during operation, it is not possible to retrofit conventional vibration absorbers. It is also not possible to subsequently adapt conventional vibration dampers to the vibrations that occur.
Der Erfindung liegt die Aufgabe zugrunde, einen Schwingungstilger mit gegenüber den aus dem Stand der Technik bekannten Lösungen verbesserten Eigenschaften verfügbar zu machen. Insbesondere soll sich der Schwingungstilger nachrüsten und flexibel an die auftretenden Schwingungen anpassen lassen. The invention is based on the object of making available a vibration damper with improved properties compared to the solutions known from the prior art. In particular, it should be possible to retrofit the vibration absorber and adapt it flexibly to the vibrations that occur.
Der Schwingungstilger ist zur gehäusefesten Fixierung an einem Getriebe bzw. einer Komponente des Getriebes ausgebildet. Bei der Komponente handelt es sich bevor zugt um ein Getriebegehäuse oder eine gehäusefesten Komponente, d.h. eine Kom ponente, die starr, d.h. ohne die Möglichkeit einer Relativbewegung, in dem Getrie begehäuse fixiert ist. The vibration damper is designed to be fixed to the housing on a transmission or a component of the transmission. The component is preferably a gear housing or a component fixed to the housing, i.e. a component that is rigid, i.e. without the possibility of a relative movement in which the gearbox is fixed.
Ein Schwingungstilger ist ein Schwingungsdämpfer, dessen Masse bzw. Tilgermasse elastisch an einer Komponente oder an mehreren Komponenten, die starr, d.h. ohne die Möglichkeit einer Relativbewegung miteinander verbunden sind, fixiert ist. Ein Schwingungstilger weist allgemein eine Tilgermasse und eine oder mehrere elasti sche Aufhängungen auf. Mittels der Aufhängungen ist die Tilgermasse in einer Kom ponente fixiert, deren Schwingungen zu dämpfen sind. Vorliegend ist die Tilgermasse mittels der elastischen Aufhängungen an der Kompo nente des Getriebes fixiert. Bei den elastischen Aufhängungen kann es sich etwa um Elastomerbuchsen handeln. Die Buchsen sind jeweils in einer Bohrung der Tilgerma sse fixiert und mit dem Getriebe verschraubt. A vibration damper is a vibration damper whose mass or damper mass is elastically fixed on one component or on several components that are rigidly connected to one another, ie without the possibility of relative movement. A vibration damper generally has a damper mass and one or more elastic-specific suspensions. By means of the suspensions, the damper mass is fixed in a component whose vibrations are to be dampened. In the present case, the damper mass is fixed to the component of the transmission by means of the elastic suspensions. The elastic suspensions can be elastomer bushings, for example. The sockets are each fixed in a hole in the damper body and screwed to the gearbox.
Die Tilgermasse weist erfindungsgemäß eine erste Gruppe von Segmenten auf. Segmente bezeichnen Teile der Tilgermasse, die physisch voneinander getrennt sind. Jeweils zwei der Segmente sind nicht einstückig miteinander verbunden. According to the invention, the damper mass has a first group of segments. Segments denote parts of the absorber mass that are physically separated from each other. Two of the segments are not connected to one another in one piece.
Die Segmente der ersten Gruppe sind bezüglich einer Drehachse und/oder Mittel achse des Getriebes zueinander drehsymmetrisch. Dies bedeutet, dass die Segmen te der ersten Gruppe sich durch Drehung um die Drehachse und/oder Mittelachse um mindestens einen Winkel, der kleiner als 360° ist, aufeinander abbilden lassen. The segments of the first group are rotationally symmetrical to one another with respect to an axis of rotation and / or the central axis of the transmission. This means that the segments of the first group can be mapped onto one another by rotating around the axis of rotation and / or central axis by at least an angle that is less than 360 °.
Vorzugsweise sind die Segmente der ersten Gruppe nicht rotationssymmetrisch zu der Drehachse und/oder Mittelachse. Dies impliziert, dass die Menge der Winkel von Abbildungen, welche die Segmente aufeinander abbilden, diskret ist. The segments of the first group are preferably not rotationally symmetrical to the axis of rotation and / or the central axis. This implies that the set of angles of mappings which the segments map onto one another is discrete.
Die Segmente lassen sich vorzugsweise durch Drehung ausschließlich um Winkel aufeinander abbilden, die 60 °/n oder ein ganzzahliges Vielfaches von 360 °/n betra gen, wobei n die Anzahl der Segmente bezeichnet. Dies impliziert, dass die Segmen te beziehungsweise jeweils zwei Segmente baugleich sind. The segments can preferably be mapped to one another by rotation exclusively by angles that amount to 60 ° / n or an integral multiple of 360 ° / n , where n denotes the number of segments. This implies that the segments or two segments each are structurally identical.
Bei der obengenannten Drehachse handelt es sich um die Drehachse einer drehba ren Komponente des Getriebes. Es kann sich beispielsweise um die Drehachse ei nes Zahnrads, einer Welle oder eines Planetenträgers handeln. The above-mentioned axis of rotation is the axis of rotation of a rotatable component of the transmission. It can, for example, be the axis of rotation of a gearwheel, a shaft or a planet carrier.
Die obengenannte Mittelachse ist eine Gerade, auf der mindestens zwei Mittelpunkte einer Komponente des Getriebes, etwa eines Hohlrads, liegen. Mit Mittelpunkt wird ein geometrischer Schwerpunkt der Komponente in einer Schnittebene bezeichnet, die orthogonal zu der Geraden gerichtet ist. Die erfindungsgemäße Segmentierung der Tilgermasse ermöglicht es, die Tilgerma sse nachträglich an das Getriebe anzubringen. Jedes einzelne Segment ist zudem bei der Montage einfacher handhabbar als eine herkömmliche, unsegmentierte Til germasse. The above-mentioned center axis is a straight line on which at least two center points of a component of the transmission, such as a ring gear, lie. A geometric center of gravity of the component in a cutting plane which is directed orthogonally to the straight line is referred to as the center. The segmentation of the damper mass according to the invention makes it possible to subsequently attach the damper mass to the transmission. Each individual segment is also easier to handle during assembly than a conventional, unsegmented Til germasse.
In einer bevorzugten Weiterbildung sind die Segmente starr, d.h. ohne die Möglich keit einer Relativbewegung, miteinander verbunden. Durch die starre Verbindung wirken die Segmente als eine einzige Tilgermasse zusammen. In a preferred further development the segments are rigid, i. connected to one another without the possibility of relative movement. Due to the rigid connection, the segments work together as a single damper mass.
In einer bevorzugten Weiterbildung wird die starre Verbindung zwischen jeweils zwei Segmenten durch Verbindungsmittel hergestellt, die zwischen den Segmenten ver laufen und einen Spalt zwischen den Segmenten überbrücken. Dies bedeutet, dass die Verbindungsmittel jeweils mit zwei Segmenten starr verbunden sind. In a preferred development, the rigid connection between two segments is made by connecting means that run between the segments and bridge a gap between the segments. This means that the connecting means are each rigidly connected to two segments.
In einer bevorzugten Weiterbildung sind die Segmente baugleich. Jeweils zwei Seg mente sind also baugleich. In a preferred development, the segments are structurally identical. Each two segments are therefore identical.
Allgemein sind zwei Komponenten baugleich, wenn sie in ihren physikalischen Pa rametern - insbesondere hinsichtlich ihrer Material- und Geometrieeigenschaften - im Rahmen der auftretenden Fertigungstoleranzen übereinstimmen. In general, two components are structurally identical if they match in their physical parameters - especially with regard to their material and geometric properties - within the scope of the manufacturing tolerances that occur.
In einer bevorzugten Weiterbildung weist die Tilgermasse eine zweite Gruppe von Segmenten auf. Die Segmente der zweiten Gruppe weisen dieselben Merkmale auf wie die Segmente der ersten Gruppe. Obige Ausführungen gelten daher mutatis mutandis für die Segmente der zweiten Gruppe. Insbesondere sind die Segmente der zweiten Gruppe bezüglich der oben genannten Drehachse und/oder Mittelachse zueinander drehsymmetrisch, bevorzugt starr miteinander verbunden, wobei ein Ver bindungsmittel bevorzugt jeweils zwei Segmente der zweiten Gruppe starr miteinan der verbindet, und bevorzugt baugleich. In a preferred development, the damper mass has a second group of segments. The segments of the second group have the same characteristics as the segments of the first group. The above statements therefore apply mutatis mutandis to the segments of the second group. In particular, the segments of the second group are rotationally symmetrical to one another with respect to the above-mentioned axis of rotation and / or central axis, preferably rigidly connected to one another, with a connecting means preferably connecting two segments of the second group rigidly to one another, and preferably of identical construction.
Weiterbildungsgemäß sind die erste Gruppe und die zweite Gruppe bzw. die Seg mente der ersten Gruppe und die Segmente der zweiten Gruppe axial versetzt zuei nander angeordnet. Dies bedeutet, dass zwischen den Segmenten der ersten Grup- pe und den Segmenten der zweiten Gruppe eine orthogonal zu der oben genannten Drehachse und/oder Mittelachse ausgerichtete Ebene verläuft. According to a further development, the first group and the second group or the segments of the first group and the segments of the second group are arranged axially offset to one another. This means that between the segments of the first group pe and the segments of the second group runs a plane oriented orthogonally to the above-mentioned axis of rotation and / or central axis.
Die Weiterbildung ermöglicht es, die Größe der Tilgermasse zu modifizieren. Insbe sondere lässt sich die Größe der Tilgermasse an die im Betrieb auftretenden The training makes it possible to modify the size of the damper mass. In particular, the size of the absorber mass can be adapted to that which occurs in operation
Schwingungen anpassen. Adjust vibrations.
In einer bevorzugten Weiterbildung sind jeweils ein Segment der ersten Gruppe und ein Segment der zweiten Gruppe starr miteinander verbunden. Dadurch bilden die Segmente der ersten Gruppe und der zweiten Gruppe eine einzige Tilgermasse. In a preferred development, a segment of the first group and a segment of the second group are rigidly connected to one another. As a result, the segments of the first group and the second group form a single damper mass.
In einer darüber hinaus bevorzugten Weiterbildung sind jeweils ein Segment der ers ten Gruppe und ein Segment der zweiten Gruppe baugleich. Damit besteht die Til germasse aus baugleichen Segmenten. Durch die baugleichen Segmente reduzieren sich variantenbedingte Kosten. In a further preferred development, one segment of the first group and one segment of the second group are each structurally identical. The Til germasse thus consists of structurally identical segments. The identical segments reduce variant-related costs.
Der Schwingungstilger ist bevorzugt Teil eines Getriebes, das zudem ein Hohlrad aufweist. Das Hohlrad kann etwa Teil einer Planetenstufe sein, die auch ein oder mehrere Planetenräder, einen Planetenträger und ein Sonnenrad aufweist. Die Pla netenräder sind in dem Planetenträger drehbar gelagert sind kämmen mit dem Hohl rad und/oder dem Sonnenrad. Mindestens zwei der drei Komponenten Sonnenrad, Planetenträger und Hohlrad sind um eine gemeinsame Drehachse drehbar gelagert. Die dritte Komponente ist vorzugsweise gehäusefest fixiert. Bei der Drehachse, um welche die mindestens zwei Komponenten drehbar gelagert sind, handelt es sich bevorzugt um die eingangs genannte Drehachse. The vibration damper is preferably part of a transmission that also has a ring gear. The ring gear can be part of a planetary stage, which also has one or more planet gears, a planet carrier and a sun gear. The Pla designated wheels are rotatably mounted in the planet carrier mesh with the ring gear and / or the sun gear. At least two of the three components sun gear, planet carrier and ring gear are rotatably mounted about a common axis of rotation. The third component is preferably fixed to the housing. The axis of rotation around which the at least two components are rotatably mounted is preferably the axis of rotation mentioned at the beginning.
Der Schwingungstilger ist weiterbildungsgemäß an dem Hohlrad fixiert. Diese Fixie rung ist, wie oben beschrieben, elastisch und erfolgt vorzugsweise mittels According to a further development, the vibration damper is fixed on the ring gear. This fixation is, as described above, elastic and is preferably carried out by means of
Elastomerbuchsen . Elastomer bushings.
Das Hohlrad ist in einer bevorzugten Weiterbildung mittels einer oder mehrerer Schrauben oder Passstifte mit einem Gehäuse des Getriebes verschraubt bzw. ge fügt. Die Schrauben oder Passstifte dienen weiterbildungsgemäß auch zur Fixierung des Schwingungstilgers. Der Schwingungstilger ist also mit denselben Schrauben oder Passstiften mit dem Hohlrad verschraubt bzw. gefügt ist, mit denen das Hohlrad mit dem Gehäuse verschraubt bzw. gefügt ist. In a preferred development, the ring gear is screwed or joined to a housing of the transmission by means of one or more screws or dowel pins. According to a further development, the screws or dowel pins also serve for fixing of the vibration absorber. The vibration damper is therefore screwed or joined to the ring gear with the same screws or dowel pins with which the ring gear is screwed or joined to the housing.
Diese Weiterbildung ermöglicht es, auch Getriebe, die konstruktiv nicht für die Auf nahme eines Schwingungstilgers vorgesehen sind, nachträglich mit einem Schwin gungstilger auszurüsten. Zudem ist die Verwendung bestehender Schrauben kos teneffizient. This development makes it possible to retrofit even gears that are not structurally intended to receive a vibration damper with a vibration damper. In addition, the use of existing screws is cost-efficient.
Bevorzugte Ausführungsbeispiele der Erfindung sind in den Figuren dargestellt. Übereinstimmende Bezugsziffern kennzeichnen dabei gleiche oder funktionsgleiche Merkmale. Im Einzelnen zeigt: Preferred embodiments of the invention are shown in the figures. Corresponding reference numbers denote the same or functionally identical features. In detail shows:
Fig. 1 eine segmentierte Tilgermasse; 1 shows a segmented damper mass;
Fig. 2 die Fixierung eines Segments; und 2 shows the fixation of a segment; and
Fig. 3 eine Tilgermasse mit axial versetzt angeordneten Segmenten. 3 shows a damper mass with axially offset segments.
Die in der Fig. 1 dargestellte Tilgermasse 101 weist vier baugleiche Segmente 103a, 103b, 103c, 103d auf. Die Segmente 103a, 103b, 103c, 103d sind rotationssymmet risch angeordnet. Sie lassen sich durch Drehung um einen Winkel von 90° aufeinan der abbilden. The absorber mass 101 shown in FIG. 1 has four structurally identical segments 103a, 103b, 103c, 103d. The segments 103a, 103b, 103c, 103d are arranged rotationally symmetrical. They can be mapped onto one another by rotating them through an angle of 90 °.
Zwischen jeweils zwei Segmenten 103a, 103b, 103c, 103d ist eine Verbindungsplatte 105a, 105b, 105c, 105d angeordnet, welche die Segmente 103a, 103b, 103c, 103d starr miteinander verbindet. Die Verbindungsplatte 105a verbindet die Segmente 103a, 103b miteinander, die Verbindungsplatte 105b die Segmente 103b, 103c, die Verbindungsplatte 105c die Segmente 103c, 103d und die Verbindungsplatte 105d die Segmente 103d, 103a. Die Verbindungsplatten 105a, 105b, 105c, 105d sind mit den jeweiligen Segmenten 103a, 103b, 103c, 103d verschraubt. Zur Fixierung in einem Getriebe weisen die Segmente 103a, 103b, 103c, 103d Boh rungen 107 auf. In den in den Figuren dargestellten Ausführungsbeispielen handelt es sich um vier Bohrungen 107 pro Segment 103a, 103b, 103c, 103d. Die Fixierung in dem Getriebe veranschaulicht Fig. 2 im Detail. A connecting plate 105a, 105b, 105c, 105d, which rigidly connects the segments 103a, 103b, 103c, 103d, is arranged between two segments 103a, 103b, 103c, 103d. The connecting plate 105a connects the segments 103a, 103b to one another, the connecting plate 105b the segments 103b, 103c, the connecting plate 105c the segments 103c, 103d and the connecting plate 105d the segments 103d, 103a. The connecting plates 105a, 105b, 105c, 105d are screwed to the respective segments 103a, 103b, 103c, 103d. The segments 103a, 103b, 103c, 103d have bores 107 for fixing in a gear. In the exemplary embodiments shown in the figures, there are four bores 107 per segment 103a, 103b, 103c, 103d. The fixing in the transmission is illustrated in detail in FIG. 2.
Fig. 2 stellt ein Segment 103a mit seinen Bohrungen 107 dar. Die Bohrungen sind kreisförmig um dieselbe Achse herum angeordnet, zu der die Segmente 103a, 103b, 103c, 103d rotationssymmetrisch sind. In die Bohrungen 107 ragen Schrauben 201 hinein. Hierbei handelt es sich um die Schrauben, mit denen ein Hohlrad mit einem Getriebegehäuse verschraubt ist. 2 shows a segment 103a with its bores 107. The bores are arranged in a circle around the same axis to which the segments 103a, 103b, 103c, 103d are rotationally symmetrical. Screws 201 protrude into the bores 107. These are the screws with which a ring gear is screwed to a transmission housing.
In den Bohrungen 107 sind Elastomerbuchsen fixiert. Diese sind in Fig. 2 der besse ren Darstellbarkeit halber nicht weggelassen. Die Elastomerbuchsen wiederum sind mit den Schrauben 201 verschraubt. Auf diese Weise kommt eine elastische Verbin dung zwischen dem Hohlrad und dem Segment 103a zustande. Elastomer bushings are fixed in the bores 107. These are not omitted in Fig. 2 for the sake of better illustration. The elastomer bushings in turn are screwed with the screws 201. In this way, there is an elastic connection between the ring gear and the segment 103a.
Die übrigen Segmente 103b, 103c, 103d sind auf gleiche Weise in dem Hohlrad fi xiert. The remaining segments 103b, 103c, 103d are fixed in the ring gear in the same way.
Jedes Segment 103a, 103b, 103c, 103d bildet, wie in Fig. 3 dargestellt, mit weiteren Segmenten ein Segmentpaket 301a, 301 b, 301 c, 301 d. Die Segmente jedes Seg mentpakets 301 a, 301 b, 301 c, 301 d sind axial versetzt zueinander angeordnet. Dadurch fluchten die jeweiligen Bohrungen 107 der Segmente 103a, 103b, 103c, 103d. Each segment 103a, 103b, 103c, 103d forms, as shown in FIG. 3, with further segments a segment packet 301a, 301b, 301c, 301d. The segments of each segment packet 301 a, 301 b, 301 c, 301 d are arranged axially offset from one another. As a result, the respective bores 107 of the segments 103a, 103b, 103c, 103d are aligned.
Die miteinander fluchtenden Bohrungen nehmen jeweils eine Elastomerbuchse auf. Vorliegend ist also jedes Segmentpaket 301 a, 301 b, 301 c, 301d mit vier Buchsen in dem Hohlrad fixiert. Jeweils zwei Segmente benachbarter Segmentpakete 301 a, 301 b, 301 c, 301 d sind mittels in Fig. 3 nicht dargestellten Verbindungsplatten inei nander fixiert. Bezuqszeichen TilgermasseThe aligned holes each receive an elastomer bushing. In the present case, therefore, each segment packet 301 a, 301 b, 301 c, 301d is fixed in the ring gear with four sockets. In each case two segments of adjacent segment packets 301 a, 301 b, 301 c, 301 d are fixed in one another by means of connecting plates (not shown in FIG. 3). Reference mark absorber mass
a Segmenta segment
b Segmentb segment
c Segmentc segment
d Segmentd segment
a Verbindungsplattea connecting plate
b Verbindungsplatteb connecting plate
c Verbindungsplattec connecting plate
d Verbindungsplatte d connecting plate
Bohrung drilling
Schraube screw
a Segmentpaketa segment package
b Segmentpaketb segment package
c Segmentpaket c segment package
d Segmentpaket d segment package

Claims

Patentansprüche Claims
1. Schwingungstilger zur gehäusefesten Fixierung an einem Getriebe; gekennzeich net durch 1. Vibration absorber for fixation on a gearbox fixed to the housing; marked by
eine Tilgermasse (101 ) mit einer ersten Gruppe von Segmenten (103a, 103b, 103c, 103d), die bezüglich einer Drehachse und/oder Mittelachse des Getriebes zueinan der drehsymmetrisch sind. a damper mass (101) with a first group of segments (103a, 103b, 103c, 103d) which are rotationally symmetrical to one another with respect to an axis of rotation and / or central axis of the transmission.
2. Schwingungstilger nach dem vorhergehenden Anspruch; dadurch gekennzeichnet, dass 2. Vibration damper according to the preceding claim; characterized in that
die Segmente (103a, 103b, 103c, 103d) starr miteinander verbunden sind. the segments (103a, 103b, 103c, 103d) are rigidly connected to one another.
3. Schwingungstilger nach einem der vorhergehenden Ansprüche; gekennzeichnet durch 3. Vibration damper according to one of the preceding claims; marked by
Verbindungsmittel (105a, 105b, 105c, 105d), die mit jeweils zwei Segmenten (103a, 103b, 103c, 103d) starr verbunden sind. Connecting means (105a, 105b, 105c, 105d) which are rigidly connected to two segments (103a, 103b, 103c, 103d).
4. Schwingungstilger nach einem der vorhergehenden Ansprüche; dadurch gekenn zeichnet, dass 4. Vibration damper according to one of the preceding claims; characterized in that
die Segmente (103a, 103b, 103c, 103d) baugleich sind. the segments (103a, 103b, 103c, 103d) are identical.
5. Schwingungstilger nach einem der vorhergehenden Ansprüche; dadurch gekenn zeichnet, dass 5. Vibration damper according to one of the preceding claims; characterized in that
die Tilgermasse (101 ) eine zweite Gruppe von Segmenten aufweist; wobei die erste Gruppe und die zweite Gruppe axial versetzt zueinander angeordnet sind. the absorber mass (101) has a second group of segments; wherein the first group and the second group are arranged axially offset from one another.
6. Schwingungstilger nach dem vorhergehenden Anspruch; dadurch gekennzeichnet, dass 6. Vibration damper according to the preceding claim; characterized in that
jeweils ein Segment (103a, 103b, 103c, 103d) der ersten Gruppe und ein Segment der zweiten Gruppe starr miteinander verbunden sind. one segment (103a, 103b, 103c, 103d) of the first group and one segment of the second group are rigidly connected to one another.
7. Schwingungstilger nach einem der vorhergehenden Ansprüche; dadurch gekenn zeichnet, dass jeweils ein Segment (103a, 103b, 103c, 103d) der ersten Gruppe und ein Segment der zweiten Gruppe baugleich sind. 7. Vibration damper according to one of the preceding claims; characterized in that one segment (103a, 103b, 103c, 103d) of the first group and one segment of the second group are structurally identical.
8. Getriebe mit mindestens einem Hohlrad; gekennzeichnet durch 8. Gear with at least one ring gear; marked by
mindestens einen Schwingungstilger nach einem der vorhergehenden Ansprüche; wobei at least one vibration damper according to one of the preceding claims; in which
der Schwingungstilger an dem Hohlrad fixiert ist. the vibration damper is fixed to the ring gear.
9. Getriebe nach dem vorhergehenden Anspruch; dadurch gekennzeichnet, dass das Hohlrad mittels einer oder mehrerer Schrauben (201 ) oder Passstifte mit einem Gehäuse des Getriebes verschraubt bzw. gefügt ist; wobei 9. Transmission according to the preceding claim; characterized in that the ring gear is screwed or joined to a housing of the transmission by means of one or more screws (201) or dowel pins; in which
die Schrauben (201 ) oder Passstifte zur Fixierung des Schwingungstilgers dienen. the screws (201) or dowel pins are used to fix the vibration absorber.
EP20710102.3A 2019-05-28 2020-03-05 Segmented vibration absorber Pending EP3976992A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019207826.5A DE102019207826A1 (en) 2019-05-28 2019-05-28 Segmented vibration absorber
PCT/EP2020/055772 WO2020239279A1 (en) 2019-05-28 2020-03-05 Segmented vibration absorber

Publications (1)

Publication Number Publication Date
EP3976992A1 true EP3976992A1 (en) 2022-04-06

Family

ID=69780180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20710102.3A Pending EP3976992A1 (en) 2019-05-28 2020-03-05 Segmented vibration absorber

Country Status (5)

Country Link
US (1) US20220228643A1 (en)
EP (1) EP3976992A1 (en)
CN (1) CN113906240A (en)
DE (1) DE102019207826A1 (en)
WO (1) WO2020239279A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230166590A1 (en) * 2021-11-30 2023-06-01 Nissan North America, Inc. Vibration Dampening Engine Mount and Modular Vibration Dampening Engine Mount System

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7607516U1 (en) * 1976-03-11 1976-10-14 Mueller-Bbm Gmbh, 8033 Planegg Vibration absorber for damping broadband structure-borne sound vibrations
US4318309A (en) * 1978-10-18 1982-03-09 Wallace Murray Corporation Deformed locking clamp
DE4311939C2 (en) * 1993-04-10 1995-08-17 Freudenberg Carl Fa Torsional vibration damper
JP3146752B2 (en) * 1993-05-12 2001-03-19 日産自動車株式会社 Multi-plate clutch control type differential limiter
JP3538479B2 (en) * 1995-06-26 2004-06-14 東海ゴム工業株式会社 Double mass dynamic damper and drive axle with dynamic damper
DE19831158A1 (en) * 1998-07-11 2000-01-13 Freudenberg Carl Fa Flywheel e.g. for road vehicle, with torsional vibration damper
EP1898121A1 (en) * 2006-09-08 2008-03-12 Universite Libre De Bruxelles Passive dynamic vibration absorber
JP4492686B2 (en) * 2007-11-30 2010-06-30 トヨタ自動車株式会社 Damper device
DE102009021355A1 (en) * 2008-06-02 2009-12-03 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Torsional vibration damper with centrifugal pendulum
DE102009005954B4 (en) * 2009-01-20 2010-10-21 Carl Zeiss Smt Ag damping device
WO2012139543A1 (en) * 2011-04-11 2012-10-18 Schaeffler Technologies AG & Co. KG Clutch arrangement
FR2976641B1 (en) * 2011-06-14 2013-06-07 Valeo Embrayages TORSION DAMPING DEVICE HAVING PENDULUM MASSELOTTES OFFSET AXIALLY IN RELATION TO GUIDE WASHERS
FR2979964B1 (en) * 2011-09-08 2014-04-11 Turbomeca DAMPING VIBRATION OF A PINION BY VISCOELASTIC PATCH
FR2981714B1 (en) * 2011-10-19 2013-11-01 Valeo Embrayages PENDULUM OSCILLATOR TYPE DAMPING SYSTEM WITH IMPROVED GUIDE DEVICE
DE112013005609A5 (en) * 2012-11-22 2015-09-17 Schaeffler Technologies AG & Co. KG Converter unit with a damping system and with a torque transmission unit
DE102013204711A1 (en) * 2013-03-18 2014-09-18 Zf Friedrichshafen Ag Tilgerschwingungsdämpfer
DE202014004620U1 (en) * 2013-06-14 2014-07-23 Fm Energie Gmbh & Co. Kg Torsion damper with adjustable damping and frequency
FR3009853B1 (en) * 2013-08-23 2015-08-14 Valeo Embrayages METHOD FOR MOUNTING A PENDULUM DAMPING DEVICE
DE102014207258A1 (en) * 2014-04-15 2015-10-29 Zf Friedrichshafen Ag Torsional vibration damper with a damping device, a Tilgersystem and a mass device
WO2016023795A1 (en) * 2014-08-14 2016-02-18 Zf Friedrichshafen Ag Torsional vibration damping assembly, in particular mass damper unit
JP2016145630A (en) * 2015-02-09 2016-08-12 本田技研工業株式会社 gear
KR102581556B1 (en) * 2015-08-28 2023-09-21 에프엠 에네르기 게엠베하 운트 코.카게 Vibration absorber with rotating mass
DE102016203950A1 (en) * 2016-03-10 2017-09-14 Schaeffler Technologies AG & Co. KG Roll stabilizer for a motor vehicle
JP2018013144A (en) * 2016-07-19 2018-01-25 株式会社エクセディ Dynamic vibration absorber
JP6657041B2 (en) * 2016-07-20 2020-03-04 株式会社エクセディ Torque fluctuation suppressing device, torque converter, and power transmission device

Also Published As

Publication number Publication date
US20220228643A1 (en) 2022-07-21
WO2020239279A1 (en) 2020-12-03
DE102019207826A1 (en) 2020-12-03
CN113906240A (en) 2022-01-07

Similar Documents

Publication Publication Date Title
EP3290751B1 (en) Planetary gear unit
DE102009037481B4 (en) Speed-adaptive absorber, in particular centrifugal pendulum device
DE102013215726A1 (en) Torsional vibration damping arrangement for the drive train of a vehicle
WO2016155715A1 (en) Gear for a gear train
DE19963597A1 (en) Gearboxes, in particular for wind turbines
DE20321598U1 (en) Counter track joint
DE102009035909A1 (en) A torsional vibration damper
DE202004016178U1 (en) Differential axle cross for a differential
EP3976992A1 (en) Segmented vibration absorber
DE102018112195A1 (en) Packaging and entanglement of rotor laminations for an electric machine, electric machine and method of manufacturing a rotor
DE102008046821B4 (en) Crankshaft for a variable compression internal combustion engine and variable compression internal combustion engine
DE102012105541A1 (en) PLANETARY GEAR WITH POSITION OFFER
DE102017100457A1 (en) Sway control device
EP3810959A1 (en) Transmission series
EP1886047B1 (en) Differential arrangement with assembly openings
DE102010016581B4 (en) transmission
DE202007012569U1 (en) adjustment
DE102021117393A1 (en) damping device
DE2126059A1 (en) Crankshaft with connecting rod bearings for reciprocating engines
DE102016204634B4 (en) torsional vibration isolation device
DE102014204907A1 (en) Torsional vibration damping arrangement for the drive train of a vehicle
EP3882494B1 (en) Axial bearing between two sun shafts
DE19855761C2 (en) Gear unit
DE10317061A1 (en) Rotary oscillation damper used with e.g. larger modern diesel engines, includes wheels with asymmetrical mass distribution about center point, forming unbalanced weight
EP3717771B1 (en) Fixing a pitch tube

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20211124

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: VESTAS WIND SYSTEMS A/S

Owner name: ZF WIND POWER ANTWERPEN NV

Owner name: ZF FRIEDRICHSHAFEN AG

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230406