EP3458741A1 - Connecting assembly for connecting a plurality of damper mass elements of a damper mass - Google Patents

Connecting assembly for connecting a plurality of damper mass elements of a damper mass

Info

Publication number
EP3458741A1
EP3458741A1 EP17720029.2A EP17720029A EP3458741A1 EP 3458741 A1 EP3458741 A1 EP 3458741A1 EP 17720029 A EP17720029 A EP 17720029A EP 3458741 A1 EP3458741 A1 EP 3458741A1
Authority
EP
European Patent Office
Prior art keywords
elements
shaft
absorber mass
absorber
damper mass
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.)
Withdrawn
Application number
EP17720029.2A
Other languages
German (de)
French (fr)
Inventor
Christoph Fauss
Achim Kraus
Bernhard Schierling
Nikolaj Knaus
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 Friedrichshafen AG
Original Assignee
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 Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP3458741A1 publication Critical patent/EP3458741A1/en
Withdrawn legal-status Critical Current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
    • F16F15/145—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
    • 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
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/1202—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the damping action being at least partially controlled by centrifugal masses
    • 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
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
    • 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
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
    • F16F15/133—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
    • F16F15/134—Wound springs
    • F16F15/13469—Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations
    • 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
    • F16F2230/0041—Locking; Fixing in position

Definitions

  • the invention relates to a connection arrangement for connecting a plurality of absorber mass elements by means of connecting elements for forming a damping mass, wherein the connecting elements each have a central axis in the axial direction and are each formed by a shank with bilateral shaft ends, and the shaft ends as well as the shaft in each case from the central axis enclosing inner walls are enclosed by passages of Tilgermasseniata.
  • FIGS. 1 to 3 Such a connection arrangement 101 is shown in FIGS. 1 to 3, which represent the prior art.
  • Fig. 1 or 2 show a Tilgersystem 102 with a Tilgermassenlie 103, which is designed as a hub disc and has guide tracks 111 (Fig. 1), in which coupling elements 115 are received relatively movable.
  • the coupling elements 115 continue to run in guide tracks 117 of absorber masses 118, which are each composed of a plurality of absorber mass elements 119a to 119c.
  • the axially respective outer Tilgermassen emulate 119a and 119c axially on both sides of the Tilgermassenarmes 103 are arranged, and take axially between them the absorber mass elements 119b. Since the absorber mass elements 119a and 119c continue to engage radially inward than the absorber mass elements 119b, the absorber mass elements 119a and 119c form axially between them a receiving space 105 for the absorber mass carrier 103 attached and effective in circumferential and radial direction, a relative movement of the absorber masses 118 relative to the absorber mass carrier 103 delimiting stop elements 107. The absorber mass elements 119a and 119c also limit, since they engage further radially inward than the absorber mass elements 119b, the axial relative movability of the absorber masses 118 relative to the absorber mass carrier 103.
  • the absorber mass members 119 a to 119 c along central axes 121 to each other aligned passages 124 a to 124 c, of which the passage 124 a in the absorber mass element 119 a, the passage 124 b in the Tilgermas- seniden 1 19b and the passage 124c in the absorber mass element 1 19c is formed.
  • the passages 124a to 124c surround the connecting elements 120 with inner walls 128a to 128c, the passage 124a encompassing a shaft end 130 of the respective connecting element 120, the passages 124b a shaft 132 and the passage 124c a shaft end 134.
  • the absorber mass element 1 19a On the axial outer side of the absorber mass element 1 19a opens the passage 124a in a widening 138a and on the axial outside of the absorber mass element 1 19a, the passage 124c in a widening 138b.
  • the stem end 130 When performing a riveting operation, the stem end 130 is deformed into the expansion 138a to form a head 139a, and the stem end 134 is deformed into the expansion 138b to form a head 139b.
  • the absorber mass elements 1 19a to 1 19c are then each connected to a damping mass 1 18, in such a way that the connecting elements 120 do not protrude axially beyond the axially outer absorber mass elements 1 19a or 1 19c. As a result, an axially compact design of the absorber masses 1 18 is possible.
  • the absorber mass elements 1 19a to 1 19c if a cost-optimized production is desired, usually formed by punching, and the widenings 138a and 138b by embossing. This requires several operations. If the embossing was omitted for further cost optimization, then only one punching process would be required to produce the absorber mass elements, which would allow the use of tools with fewer tooling stages and pressing with less pressing force, but then the heads 139a, 139b of the connecting elements 120 would be axially over the axially outer Tilgermassenmaschine 1 19a or 1 19c protrude, whereby the absorber masses 1 18 require more axial space, which is usually extremely limited available.
  • the object of the invention is to design a connection arrangement serving to connect a plurality of absorber mass elements to form absorber masses in such a way that, in the case of an extremely cost-optimized production, a construction-space-limited design of the absorber masses is made possible.
  • connection arrangement for connecting a plurality of Tilgermassen emulaten means of connecting elements for Provide formation of an absorber mass, wherein the connecting elements in the axial direction each have a central axis and are each formed by a shank with bilateral shaft ends, and the shaft ends as well as the shaft are enclosed by inner walls of passages of Tilgermas- sen institute enclosing the central axis.
  • At least a part of the shaft ends has a connection with respect to the respective associated inner wall of the corresponding passage of the respective absorber mass element by means of a hole reveal.
  • the shaft ends of the connecting elements are subjected to axial end surfaces by means of a respective punch of a tool, whereby material is displaced from the center of the respective shaft end into the peripheral region of the shaft end.
  • This process can be carried out with comparatively little force, which is only a fraction of the force required in the prior art for the production of the embossments.
  • the connecting elements are each formed by a pin whose cross-section along its axial extent is at least substantially constant.
  • FIG. 1 is a plan view of a Tilgersystem according to the prior art with a Tilgermassenarme and with a plurality of absorber masses, which are relatively movably received on the absorber mass carrier,
  • FIG. 2 shows a sectional illustration of the absorber system according to line B-B in FIG. 1 with absorber masses which have a plurality of absorber mass elements, wherein the absorber mass elements are interconnected by means of a connection arrangement formed with connecting elements,
  • FIG. 3 shows an enlarged drawing of the detail Z shown in FIG. 2 for illustrating the connecting elements of the connection arrangement
  • FIG. 5 shows a sectional illustration of the absorber system according to line B-B in FIG. 4 with absorber masses which have a plurality of absorber mass elements, wherein the absorber mass elements are interconnected by means of a connection arrangement formed with connecting elements,
  • Fig. 6 is an enlarged drawing of the detail shown in Fig. 5 Z for showing the connecting elements of the connection arrangement.
  • FIGS. 4 to 6 Such an absorber system 2 with a connection arrangement 1 is shown in FIGS. 4 to 6.
  • the rotatable about a central axis 6 Tilgersystem 2 is provided with a Tilgermassenvic 3, which is formed as a hub disc and connected to a hub 8, which is provided via an internal toothing 9 for non-rotatable connection to a shaft, not shown, for example, to a transmission input shaft.
  • the absorber mass carrier 3 has guide tracks 11 (FIG. 4), in which coupling elements 15 are received in a relatively movable manner.
  • the coupling elements Te 15 continue to run in guideways 17 of absorber masses 18, which are each composed of a plurality of absorber mass elements 19a to 19c.
  • the axially respective outer absorber mass elements 19a and 19c are arranged axially on both sides of the absorber mass carrier 3, and axially receive the absorber mass elements 19b between them. Since the absorber mass elements 19a and 19c continue to engage radially inward than the absorber mass elements 19b, the absorber mass elements 19a and 19c form axially between them a receiving space 5 for the absorber mass carrier 3 fastened and effective in circumferential and radial direction, a relative movement of the absorber masses 18 the absorber mass carrier 3 limiting stop elements 7. The absorber mass elements 19a and 19c also limit, since they continue to reach radially inward than the absorber mass elements 19b, the axial relative movement of the absorber masses 18 relative to the absorber mass carrier.
  • the absorber mass elements 19a to 19c have passages 24a to 24c aligned along central axes 21, of which the passage 24a in the absorber mass element 19a, the passages 24b in the Tilgermasseniden 19b and the passage 24c in the absorber mass element 19c is formed.
  • the passages 24a to 24c surround the connecting elements 20 with inner walls 28a to 28c, wherein the passage 24a surrounds a shaft end 22 of the respective connecting element 20, the passages 24b a shaft 30 and the passage 24c a shaft end 26.
  • the passages 24a have at least substantially each the same inner diameter, and also the connecting elements 20 have at least substantially along its axial extent always the same outer diameter.
  • the connecting elements 20 respectively at axial end surfaces 60, 62 have recesses 64, 66, wherein the end surface 60 of the shaft end 22, the recess 64 and the end surface 62 of the shaft end 26, the recess 66 is associated.
  • the recesses 64, 66 have areas of the end surfaces 60, 62, which are acted upon by dies 45, 46 of tools 48, 49 in the course of the manufacturing process.
  • the tools 48, 49 with the punches 45, 46 are shown in dashed lines in Fig. 6 only schematically.
  • connecting elements 20 are preferably each formed by a pin 38 whose cross-section along its axial extent is at least substantially constant.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Vibration Dampers (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to a connecting assembly, which is used to connect a plurality of damper mass elements by means of connecting elements in order to form a damper mass, wherein the connecting elements each have a central axis in an axial direction and are each formed by a shaft having two shaft ends, and the shaft ends and the shaft are enclosed by inner walls of passages of the damper mass elements, which inner walls extend around the central axis. At least some of the shaft ends have a connection with respect to the associated inner wall of the corresponding passage of the particular damper mass element by means of a hole wall.

Description

Verbindungsanordnung zur Verbindung einer Mehrzahl von Tilgermassenelementen einer Tilgermasse  Connecting arrangement for connecting a plurality of absorber mass elements of a damping mass
Die Erfindung betrifft eine Verbindungsanordnung zur Verbindung einer Mehrzahl an Tilgermassenelementen mittels Verbindungselementen zur Bildung einer Tilgermasse, wobei die Verbindungselemente in Achsrichtung über je eine Zentralachse verfügen und durch je einen Schaft mit beidseitigen Schaftenden gebildet sind, und die Schaftenden ebenso wie der Schaft jeweils von die Zentralachse umgreifenden Innenwandungen von Durchgängen der Tilgermassenelemente umschlossen sind. The invention relates to a connection arrangement for connecting a plurality of absorber mass elements by means of connecting elements for forming a damping mass, wherein the connecting elements each have a central axis in the axial direction and are each formed by a shank with bilateral shaft ends, and the shaft ends as well as the shaft in each case from the central axis enclosing inner walls are enclosed by passages of Tilgermassenelemente.
Eine derartige Verbindungsanordnung 101 ist in den Fig. 1 bis 3 abgebildet, die den Stand der Technik darstellen. Fig. 1 oder 2 zeigen ein Tilgersystem 102 mit einem Tilgermassenträger 103, der als Nabenscheibe ausgebildet ist und über Führungsbahnen 111 (Fig. 1 ) verfügt, in welchen Koppelelemente 115 relativ bewegbar aufgenommen sind. Die Koppelelemente 115 laufen weiterhin in Führungsbahnen 117 von Tilgermassen 118, die jeweils aus einer Mehrzahl an Tilgermassenelementen 119a bis 119c zusammengesetzt sind. Von diesen Tilgermassenelementen 119a bis 119c sind die axial jeweils äußeren Tilgermassenelemente 119a und 119c axial beidseits des Tilgermassenträgers 103 angeordnet, und nehmen axial zwischen sich die Tilgermassenelemente 119b auf. Da die Tilgermassenelemente 119a und 119c weiter nach radial innen greifen als die Tilgermassenelemente 119b, bilden die Tilgermassenelemente 119a und 119c axial zwischen sich einen Aufnahmeraum 105 für am Tilgermassenträger 103 befestigte und in Umfangs- sowie in Radialrichtung wirksame, eine Relativbewegung der Tilgermassen 118 gegenüber dem Tilgermassenträger 103 begrenzende Anschlagelemente 107. Die Tilgermassenelemente 119a und 119c begrenzen zudem, da sie weiter nach radial innen greifen als die Tilgermassenelemente 119b, die axiale Relativbewegbarkeit der Tilgermassen 118 gegenüber dem Tilgermassenträger 103. Such a connection arrangement 101 is shown in FIGS. 1 to 3, which represent the prior art. Fig. 1 or 2 show a Tilgersystem 102 with a Tilgermassenträger 103, which is designed as a hub disc and has guide tracks 111 (Fig. 1), in which coupling elements 115 are received relatively movable. The coupling elements 115 continue to run in guide tracks 117 of absorber masses 118, which are each composed of a plurality of absorber mass elements 119a to 119c. Of these Tilgermassenelementen 119a to 119c, the axially respective outer Tilgermassenelemente 119a and 119c axially on both sides of the Tilgermassenträgers 103 are arranged, and take axially between them the absorber mass elements 119b. Since the absorber mass elements 119a and 119c continue to engage radially inward than the absorber mass elements 119b, the absorber mass elements 119a and 119c form axially between them a receiving space 105 for the absorber mass carrier 103 attached and effective in circumferential and radial direction, a relative movement of the absorber masses 118 relative to the absorber mass carrier 103 delimiting stop elements 107. The absorber mass elements 119a and 119c also limit, since they engage further radially inward than the absorber mass elements 119b, the axial relative movability of the absorber masses 118 relative to the absorber mass carrier 103.
Wie in Fig. 3 als vergrößerter Darstellung der in Fig. 2 abgebildeten Einzelheit Z zeigt, weisen die Tilgermassenelemente 119a bis 119c entlang von Zentralachsen 121 zueinander ausgerichtete Durchgänge 124a bis 124c auf, von denen der Durchgang 124a im Tilgermassenelement 119a, die Durchgänge 124b in den Tilgermas- senelementen 1 19b und der Durchgang 124c im Tilgermassenelement 1 19c ausgebildet ist. Die Durchgänge 124a bis 124c umschließen mit Innenwandungen 128a bis 128c die Verbindungselemente 120, wobei der Durchgang 124a ein Schaftende 130 des jeweiligen Verbindungselementes 120 umgreift, die Durchgänge 124b einen Schaft 132 und der Durchgang 124c ein Schaftende 134. An der axialen Außenseite des Tilgermassenelementes 1 19a mündet der Durchgang 124a in einer Aufweitung 138a und an der axialen Außenseite des Tilgermassenelementes 1 19a der Durchgang 124c in einer Aufweitung 138b. Bei Durchführung eines Nietvorganges wird das Schaftende 130 unter Bildung eines Kopfes 139a in die Aufweitung 138a verformt, und das Schaftende 134 unter Bildung eines Kopfes 139b in die Aufweitung 138b. Die Tilgermassenelemente 1 19a bis 1 19c sind dann jeweils zu einer Tilgermasse 1 18 verbunden, und zwar derart, dass die Verbindungselemente 120 axial nicht über die axial äußeren Tilgermassenelemente 1 19a oder 1 19c hinausragen. Dadurch ist eine axial kompakte Ausbildung der Tilgermassen 1 18 möglich. As shown in Fig. 3 in an enlarged view of the shown in Fig. 2 detail Z, the absorber mass members 119 a to 119 c along central axes 121 to each other aligned passages 124 a to 124 c, of which the passage 124 a in the absorber mass element 119 a, the passage 124 b in the Tilgermas- senelementen 1 19b and the passage 124c in the absorber mass element 1 19c is formed. The passages 124a to 124c surround the connecting elements 120 with inner walls 128a to 128c, the passage 124a encompassing a shaft end 130 of the respective connecting element 120, the passages 124b a shaft 132 and the passage 124c a shaft end 134. On the axial outer side of the absorber mass element 1 19a opens the passage 124a in a widening 138a and on the axial outside of the absorber mass element 1 19a, the passage 124c in a widening 138b. When performing a riveting operation, the stem end 130 is deformed into the expansion 138a to form a head 139a, and the stem end 134 is deformed into the expansion 138b to form a head 139b. The absorber mass elements 1 19a to 1 19c are then each connected to a damping mass 1 18, in such a way that the connecting elements 120 do not protrude axially beyond the axially outer absorber mass elements 1 19a or 1 19c. As a result, an axially compact design of the absorber masses 1 18 is possible.
Die Tilgermassenelemente 1 19a bis 1 19c werden, sofern eine kostenoptimierte Herstellung gewünscht ist, üblicherweise durch Stanzen ausgebildet, und die Aufweitungen 138a und 138b durch Prägen. Hierfür sind mehrere Arbeitsgänge erforderlich. Würde zur weiteren Kostenoptimierung auf das Prägen verzichtet, dann wäre zwar lediglich ein Stanzvorgang zur Herstellung der Tilgermassenelemente erforderlich, was die Verwendung von Werkzeugen mit weniger Werkzeugstufen und Pressen mit geringerer Pressenkraft ermöglichen würde, jedoch würden dann die Köpfe 139a, 139b der Verbindungselemente 120 axial über die axial äußeren Tilgermassenelemente 1 19a oder 1 19c hinausragen, wodurch die Tilgermassen 1 18 mehr axialen Bauraum benötigen, der üblicherweise extrem begrenzt zur Verfügung steht. The absorber mass elements 1 19a to 1 19c, if a cost-optimized production is desired, usually formed by punching, and the widenings 138a and 138b by embossing. This requires several operations. If the embossing was omitted for further cost optimization, then only one punching process would be required to produce the absorber mass elements, which would allow the use of tools with fewer tooling stages and pressing with less pressing force, but then the heads 139a, 139b of the connecting elements 120 would be axially over the axially outer Tilgermassenelemente 1 19a or 1 19c protrude, whereby the absorber masses 1 18 require more axial space, which is usually extremely limited available.
Der Erfindung liegt die Aufgabe zugrunde, eine zur Verbindung einer Mehrzahl von Tilgermassenelementen zur Bildung von Tilgermassen dienende Verbindungsanordnung derart auszubilden, dass bei extrem kostenoptimierter Herstellung eine bau- raumbegrenzte Ausführung der Tilgermassen ermöglicht ist. The object of the invention is to design a connection arrangement serving to connect a plurality of absorber mass elements to form absorber masses in such a way that, in the case of an extremely cost-optimized production, a construction-space-limited design of the absorber masses is made possible.
Zur Lösung dieser Aufgabe ist vorgesehen, eine Verbindungsanordnung zur Verbindung einer Mehrzahl an Tilgermassenelementen mittels Verbindungselementen zur Bildung einer Tilgermasse vorzusehen, wobei die Verbindungselemente in Achsrichtung über je eine Zentralachse verfügen und durch je einen Schaft mit beidseitigen Schaftenden gebildet sind, und die Schaftenden ebenso wie der Schaft jeweils von die Zentralachse umgreifenden Innenwandungen von Durchgängen der Tilgermas- senelemente umschlossen sind. To solve this problem is provided, a connection arrangement for connecting a plurality of Tilgermassenelementen means of connecting elements for Provide formation of an absorber mass, wherein the connecting elements in the axial direction each have a central axis and are each formed by a shank with bilateral shaft ends, and the shaft ends as well as the shaft are enclosed by inner walls of passages of Tilgermas- senelemente enclosing the central axis.
In besonderer weise ist hierbei vorgesehen, dass zumindest ein Teil der Schaftenden mittels einer Lochlaibung eine Verbindung gegenüber der jeweils zugeordneten Innenwandung des entsprechenden Durchgangs des jeweiligen Tilgermassenele- mentes aufweist. In particular, it is provided here that at least a part of the shaft ends has a connection with respect to the respective associated inner wall of the corresponding passage of the respective absorber mass element by means of a hole reveal.
Durch diese Vorgehensweise wird in den Bereichen der Schaftenden des jeweiligen Verbindungselementes eine Verformung erzielt, durch welche eine hinreichende Aufweitung des Schaftendes gegenüber der Innenwandung des Durchganges des jeweiligen Tilgermassenelementes herbeiführbar ist, um in diesem Durchgang eine Lochlaibung zu erzielen, und dadurch eine kraftschlüssige Verbindung zwischen dem jeweiligen Schaftende und dem Durchgang des entsprechenden Tilgermassenelementes zu erzeugen. Wesentlich hierbei ist, dass ein Stempel des jeweiligen Werkzeuges im Zentrum des Verbindungselementes wirkt, also im unmittelbaren Bereich um dessen Zentralachse. Auf diese Weise kann eine Lochlaibung erzeugt werden, ohne dabei die Schaftenden des jeweiligen Verbindungselementes wesentlich zu verformen. Für die Erzeugung der Lochlaibung erfolgt eine Beaufschlagung der Schaftenden der Verbindungselemente an axialen Endflächen mittels jeweils eines Stempels eines Werkzeugs, wodurch Material aus dem Zentrum des jeweiligen Schaftendes in den Umfangsbereich des Schaftendes verdrängt wird. Dieser Vorgang kann mit vergleichsweise geringer Kraft ausgeführt werden, die lediglich einen Bruchteil der beim Stand der Technik zur Herstellung der Prägungen benötigten Kraft beträgt. By this procedure, a deformation is achieved in the areas of the shaft ends of the respective connecting element, by which a sufficient expansion of the shaft end against the inner wall of the passage of the respective absorber mass element can be brought to achieve in this passage a hole reveal, and thereby a frictional connection between the produce respective shaft end and the passage of the corresponding absorber mass element. It is essential here that a punch of the respective tool acts in the center of the connecting element, ie in the immediate area around its central axis. In this way, a hole reveal can be generated without significantly deform the shaft ends of the respective connecting element. For generating the hole reveal, the shaft ends of the connecting elements are subjected to axial end surfaces by means of a respective punch of a tool, whereby material is displaced from the center of the respective shaft end into the peripheral region of the shaft end. This process can be carried out with comparatively little force, which is only a fraction of the force required in the prior art for the production of the embossments.
Mit Vorzug sind die Verbindungselemente jeweils durch einen Stift gebildet, dessen Querschnitt entlang seiner axialen Erstreckung zumindest im Wesentlichen gleichbleibend ist. Nachfolgend ist die Erfindung anhand eines Ausführungsbeispiels beschreiben. Die Zeichnung zeigt hierbei folgendes: With preference, the connecting elements are each formed by a pin whose cross-section along its axial extent is at least substantially constant. The invention is described below with reference to an exemplary embodiment. The drawing shows the following:
Fig. 1 eine Draufsicht auf ein Tilgersystem gemäß dem Stand der Technik mit einem Tilgermassenträger und mit einer Mehrzahl von Tilgermassen, die an dem Tilgermassenträger relativ bewegbar aufgenommen sind, 1 is a plan view of a Tilgersystem according to the prior art with a Tilgermassenträger and with a plurality of absorber masses, which are relatively movably received on the absorber mass carrier,
Fig. 2 eine Schnittdarstellung des Tilgersystems gemäß der Linie B - B in Fig. 1 mit Tilgermassen, die über eine Mehrzahl von Tilgermassenelementen verfügen, wobei die Tilgermassenelemente mittels einer mit Verbindungselementen ausgebildeten Verbindungsanordnung untereinander verbunden sind, 2 shows a sectional illustration of the absorber system according to line B-B in FIG. 1 with absorber masses which have a plurality of absorber mass elements, wherein the absorber mass elements are interconnected by means of a connection arrangement formed with connecting elements,
Fig. 3 eine vergrößerte Herauszeichnung der in Fig. 2 gezeigten Einzelheit Z zur Darstellung der Verbindungselemente der Verbindungsanordnung, 3 shows an enlarged drawing of the detail Z shown in FIG. 2 for illustrating the connecting elements of the connection arrangement, FIG.
Fig. 4 wie Fig. 1 , aber bei einer Lösung gemäß der Erfindung, Fig. 4 as Fig. 1, but in a solution according to the invention,
Fig. 5 eine Schnittdarstellung des Tilgersystems gemäß der Linie B - B in Fig. 4 mit Tilgermassen, die über eine Mehrzahl von Tilgermassenelementen verfügen, wobei die Tilgermassenelemente mittels einer mit Verbindungselementen ausgebildeten Verbindungsanordnung untereinander verbunden sind, 5 shows a sectional illustration of the absorber system according to line B-B in FIG. 4 with absorber masses which have a plurality of absorber mass elements, wherein the absorber mass elements are interconnected by means of a connection arrangement formed with connecting elements,
Fig. 6 eine vergrößerte Herauszeichnung der in Fig. 5 gezeigten Einzelheit Z zur Darstellung der Verbindungselemente der Verbindungsanordnung. Fig. 6 is an enlarged drawing of the detail shown in Fig. 5 Z for showing the connecting elements of the connection arrangement.
Ein derartiges Tilgersystem 2 mit einer Verbindungsanordnung 1 ist in den Fig. 4 bis 6 abgebildet. Das um eine Zentralachse 6 drehbare Tilgersystem 2 ist mit einem Tilgermassenträger 3 versehen, der als Nabenscheibe ausgebildet und mit einer Nabe 8 verbunden ist, die über eine Innenverzahnung 9 zur drehfesten Anbindung an eine nicht gezeigte Welle, beispielsweise an eine Getriebeeingangswelle, vorgesehen ist. Der Tilgermassenträger 3 verfügt über Führungsbahnen 1 1 (Fig. 4), in welchen Koppelelemente 15 relativ bewegbar aufgenommen sind. Die Koppelelemen- te 15 laufen weiterhin in Führungsbahnen 17 von Tilgermassen 18, die jeweils aus einer Mehrzahl an Tilgermassenelementen 19a bis 19c zusammengesetzt sind. Von diesen Tilgermassenelementen 19a bis 19c sind die axial jeweils äußeren Tilgermas- senelemente 19a und 19c axial beidseits des Tilgermassenträgers 3 angeordnet, und nehmen axial zwischen sich die Tilgermassenelemente 19b auf. Da die Tilgermas- senelemente 19a und 19c weiter nach radial innen greifen als die Tilgermassenelemente 19b, bilden die Tilgermassenelemente 19a und 19c axial zwischen sich einen Aufnahmeraum 5 für am Tilgermassenträger 3 befestigte und in Umfangs- sowie in Radialrichtung wirksame, eine Relativbewegung der Tilgermassen 18 gegenüber dem Tilgermassenträger 3 begrenzende Anschlagelemente 7. Die Tilgermassenelemente 19a und 19c begrenzen zudem, da sie weiter nach radial innen greifen als die Tilgermassenelemente 19b, die axiale Relativbewegbarkeit der Tilgermassen 18 gegenüber dem Tilgermassenträger 3. Such an absorber system 2 with a connection arrangement 1 is shown in FIGS. 4 to 6. The rotatable about a central axis 6 Tilgersystem 2 is provided with a Tilgermassenträger 3, which is formed as a hub disc and connected to a hub 8, which is provided via an internal toothing 9 for non-rotatable connection to a shaft, not shown, for example, to a transmission input shaft. The absorber mass carrier 3 has guide tracks 11 (FIG. 4), in which coupling elements 15 are received in a relatively movable manner. The coupling elements Te 15 continue to run in guideways 17 of absorber masses 18, which are each composed of a plurality of absorber mass elements 19a to 19c. Of these absorber mass elements 19a to 19c, the axially respective outer absorber mass elements 19a and 19c are arranged axially on both sides of the absorber mass carrier 3, and axially receive the absorber mass elements 19b between them. Since the absorber mass elements 19a and 19c continue to engage radially inward than the absorber mass elements 19b, the absorber mass elements 19a and 19c form axially between them a receiving space 5 for the absorber mass carrier 3 fastened and effective in circumferential and radial direction, a relative movement of the absorber masses 18 the absorber mass carrier 3 limiting stop elements 7. The absorber mass elements 19a and 19c also limit, since they continue to reach radially inward than the absorber mass elements 19b, the axial relative movement of the absorber masses 18 relative to the absorber mass carrier.
Wie in Fig. 6 als vergrößerter Darstellung der in Fig. 5 abgebildeten Einzelheit Z zeigt, weisen die Tilgermassenelemente 19a bis 19c entlang von Zentralachsen 21 zueinander ausgerichtete Durchgänge 24a bis 24c auf, von denen der Durchgang 24a im Tilgermassenelement 19a, die Durchgänge 24b in den Tilgermassenelementen 19b und der Durchgang 24c im Tilgermassenelement 19c ausgebildet ist. Die Durchgänge 24a bis 24c umschließen mit Innenwandungen 28a bis 28c die Verbindungselemente 20, wobei der Durchgang 24a ein Schaftende 22 des jeweiligen Verbindungselementes 20 umgreift, die Durchgänge 24b einen Schaft 30 und der Durchgang 24c ein Schaftende 26. Die Durchgänge 24a weisen zumindest im Wesentlichen jeweils den gleichen Innendurchmesser auf, und auch die Verbindungselemente 20 verfügen zumindest im Wesentlichen entlang ihrer axialen Erstreckung über stets den gleichen Außendurchmesser. As shown in FIG. 6 in an enlarged view of the detail Z shown in FIG. 5, the absorber mass elements 19a to 19c have passages 24a to 24c aligned along central axes 21, of which the passage 24a in the absorber mass element 19a, the passages 24b in the Tilgermassenelementen 19b and the passage 24c in the absorber mass element 19c is formed. The passages 24a to 24c surround the connecting elements 20 with inner walls 28a to 28c, wherein the passage 24a surrounds a shaft end 22 of the respective connecting element 20, the passages 24b a shaft 30 and the passage 24c a shaft end 26. The passages 24a have at least substantially each the same inner diameter, and also the connecting elements 20 have at least substantially along its axial extent always the same outer diameter.
In Fig. 6 ist deutlich erkennbar, dass die Verbindungselemente 20 jeweils an axialen Endflächen 60, 62 über Einbuchtungen 64, 66 verfügen, wobei der Endfläche 60 des Schaftendes 22 die Einbuchtung 64 und der Endfläche 62 des Schaftendes 26 die Einbuchtung 66 zugeordnet ist. Die Einbuchtungen 64, 66 weisen Bereiche der Endflächen 60, 62 auf, die durch Stempel 45, 46 von Werkzeugen 48, 49 im Verlauf des Fertigungsvorganges beaufschlagt werden. Die Werkzeuge 48, 49 mit den Stempeln 45, 46 sind in Fig. 6 lediglich schematisch gestrichelt dargestellt. Durch Einleitung einer Druckkraft mittels der Stempel 45, 46 der Werkzeuge 48, 49 auf die Endflächen 60, 62 der Schaftenden 22, 26 wird an den Schaftenden 22, 26 ein Materialfluss ausgelöst, und zwar von der jeweiligen Endfläche 60, 62 hin zu dem den Schaftenden 22, 26 zugeordneten Materialbereich am Außendurchmesser, so dass sich zwischen diesen Außendurchmessern und den jeweils zugeordneten Innendurchmessern der Innenwandungen 28a bis 28c der Durchgänge 24a und 24c in den Tilgermassenelementen 19a und 19c eine Lochlaibung 32, 34 aufbaut, die für eine kraftschlüssige Verbindung zwischen den Schaftenden 22, 26 der Verbindungselemente 20 und den Durchgängen 24a und 24c in den Tilgermassenelementen 19a und 19c sorgt. Da die beiden axial äußeren Tilgermassenelemente 19a und 19c auf diese Weise axial relativ zueinander gesichert sind, werden auch die axial inneren Tilgermassenelemente 19b axial zwischen den axial äußeren Tilgermassenelementen 19a und 19c gesichert. Es entsteht ein Verbund aus den einzelnen Tilgermassenelementen 19a bis 19c, und damit jeweils eine Tilgermasse 18. In Fig. 6 it can be clearly seen that the connecting elements 20 respectively at axial end surfaces 60, 62 have recesses 64, 66, wherein the end surface 60 of the shaft end 22, the recess 64 and the end surface 62 of the shaft end 26, the recess 66 is associated. The recesses 64, 66 have areas of the end surfaces 60, 62, which are acted upon by dies 45, 46 of tools 48, 49 in the course of the manufacturing process. The tools 48, 49 with the punches 45, 46 are shown in dashed lines in Fig. 6 only schematically. By introducing a compressive force by means of the punches 45, 46 of the tools 48, 49 on the end surfaces 60, 62 of the shaft ends 22, 26, a material flow is triggered at the shaft ends 22, 26, from the respective end surface 60, 62 towards the Shaft ends 22, 26 associated material area on the outer diameter, so that between these outer diameters and the respectively assigned inner diameters of the inner walls 28a to 28c of the passages 24a and 24c in the absorber mass elements 19a and 19c, a hole reveal 32, 34 builds, for a non-positive connection between the Shaft ends 22, 26 of the connecting elements 20 and the passages 24a and 24c in the absorber mass elements 19a and 19c provides. Since the two axially outer Tilgermassenelemente 19 a and 19 c are axially secured in this way relative to each other, and the axially inner Tilgermassenelemente 19 b are axially secured between the axially outer Tilgermassenelementen 19 a and 19 c. The result is a composite of the individual absorber mass elements 19a to 19c, and thus each one Tilgermasse 18th
Da die Schaftenden 22, 26 nach diesem Fertigungsvorgang axial nicht über das jeweils zugeordnete axial äußere Tilgermassenelement 19a, 19c hinausragen, wird kein zusätzlicher axialer Bauraum für die Verbindungselemente 20 der Verbindungsanordnung 1 benötigt. Zudem genügt vor diesem Fertigungsvorgang ein Stanzvorgang mit lediglich einem Stanzhub, um nicht nur die einzelnen Tilgermassenelemente 19a bis 19c herzustellen, sondern darüber hinaus auch die Durchgänge 24a bis 24c in den jeweiligen Tilgermassenelementen. Für einen derartigen einfachen Stanzvorgang genügen zudem kleine Pressen mit relativ geringer Pressenkraft sowie mit geringem Bauraumbedarf für das Werkzeug in der Presse. Dadurch ergeben sich geringe Betriebsstundensätze, zumal auch der Wartungsaufwand begrenzt ist. Since the shank ends 22, 26 do not protrude axially beyond the respectively associated axially outer absorber mass element 19a, 19c after this production process, no additional axial space is required for the connecting elements 20 of the connection arrangement 1. In addition, prior to this manufacturing process, a punching process with only one punching stroke is sufficient to produce not only the individual absorber mass elements 19a to 19c, but also the passages 24a to 24c in the respective absorber mass elements. For such a simple punching process also satisfy small presses with relatively low press force and low space requirement for the tool in the press. This results in low operating hour rates, especially since the maintenance is limited.
Bezüglich der Verbindungselemente 20 gilt, dass diese mit Vorzug jeweils durch einen Stift 38 gebildet sind, dessen Querschnitt entlang seiner axialen Erstreckung zumindest im Wesentlichen gleichbleibend ist. Bezuqszeichen Verbindungsanordnung With regard to the connecting elements 20, these are preferably each formed by a pin 38 whose cross-section along its axial extent is at least substantially constant. Designation connection arrangement
Tilgersystem absorber system
Tilgermassenträger Tilgermassenträger
Aufnahmeraum accommodation space
Zentralachse central axis
Anschlagelemente stop elements
Führungsbahnen guideways
Koppelelemente coupling elements
Führungsbahnen guideways
Tilgermassen absorber masses
Tilgermassenelemente absorber mass
Verbindungselemente fasteners
Zentralachse central axis
erstes Schaftende first shaft end
Durchgang im Tilgermassenelement zweites Schaftende Passage in the absorber mass element second shaft end
Schaft shaft
Lochlaibung hole face
Lochlaibung hole face
Stift pen
Stempel stamp
Stempel stamp
Werkzeug  Tool
Werkzeug Tool
Innenwandung inner wall
Innenwandung inner wall
axiale Endfläche des Schaftendes axiale Endfläche des Schaftendes Einbuchtung in der axialen Endfläche Einbuchtung in der axialen Endfläche 101 Verbindungsanordnungaxial end surface of the shaft end axial end surface of the shaft end indentation in the axial end surface indentation in the axial end surface 101 connection arrangement
102 Tilgersystem 102 absorber system
103 Tilgermassenträger  103 absorber mass carriers
105 Aufnahmeraum 105 recording room
107 Anschlagelement  107 stop element
1 1 1 Führungsbahnen  1 1 1 guideways
1 15 Koppelelemente  1 15 coupling elements
1 17 Führungsbahnen  1 17 guideways
1 18 Tilgermassen  1 18 absorber masses
1 19 Tilgermassenelemente  1 19 absorber mass elements
120 Verbindungselemente  120 fasteners
121 Zentralachse  121 central axis
124 Durchgang im Tilgermassenelement 124 passage in the absorber mass element
128 Innenwandungen 128 inner walls
130 Schaftende  130 shaft end
132 Schaft  132 shaft
134 Schaftende  134 shaft end
138 Aufweitungen  138 expansions
139 Kopf  139 head

Claims

Patentansprüche claims
1 . Verbindungsanordnung (1 ) zur Verbindung einer Mehrzahl an Tilgermassenele- menten (19a, 19b, 19c) mittels Verbindungselementen (20) zur Bildung einer Tilgermasse (18), wobei die Verbindungselemente (20) in Achsrichtung über je eine Zentralachse (21 ) verfügen und durch je einen Schaft (30) mit beidseitigen Schaftenden (22, 26) gebildet sind, und die Schaftenden (22, 26) ebenso wie der Schaft (30) jeweils von die Zentralachse (21 ) umgreifenden Innenwandungen (56, 58) von Durchgängen (24a; 24b; 24c) der Tilgermassenelemente (19a, 19b, 19c) umschlossen sind, dadurch gekennzeichnet, dass zumindest ein Teil der Schaftenden (22, 26) mittels einer Lochlaibung (32, 34) eine Verbindung gegenüber der jeweils zugeordneten Innenwandung (56, 58) des entsprechenden Durchgangs (24a, 24c) des jeweiligen Tilgermassenelementes (19a, 19c) aufweist. 1 . Connecting arrangement (1) for connecting a plurality of Tilgermassenele- elements (19a, 19b, 19c) by means of connecting elements (20) for forming a damping mass (18), wherein the connecting elements (20) in the axial direction each have a central axis (21) and through a shaft (30) with bilateral shaft ends (22, 26) are formed, and the shaft ends (22, 26) as well as the shaft (30) each of the central axis (21) embracing inner walls (56, 58) of passages (24a 24b) of the absorber mass elements (19a, 19b, 19c) are enclosed, characterized in that at least a part of the shaft ends (22, 26) by means of a hole reveal (32, 34) a connection with respect to the respective associated inner wall (56, 58 ) of the respective passage (24a, 24c) of the respective absorber mass element (19a, 19c).
2. Verbindungsanordnung (1 ) nach Anspruch 1 , dadurch gekennzeichnet, dass die Lochlaibung (32, 34) mittels eines das entsprechende Schaftende (22, 26) des jeweiligen Verbindungselementes (20) axial belastenden Stempels (45, 46) eines Werkzeuges (48, 49) erzeugt ist, indem durch den Stempel (45, 46) an einer axialen Endfläche (60, 62) des jeweiligen Schaftendes (22, 26) eine Materialverdrängung aus dieser axialen Endfläche (60, 62) in den dem Schaftende (22, 26) zugeordneten Materialbereich am Außendurchmesser erfolgt, was eine radiale Aufweitung des 2. Connecting arrangement (1) according to claim 1, characterized in that the Lochlaibung (32, 34) by means of a corresponding shaft end (22, 26) of the respective connecting element (20) axially loaded punch (45, 46) of a tool (48, 49) is produced by a material displacement from said axial end face (60, 62) into said shaft end (22, 26) by said punch (45, 46) on an axial end face (60, 62) of said respective shaft end (22, 26) ) associated material area on the outer diameter, resulting in a radial expansion of the
Schaftendes (22, 26) gegenüber der Innenwandung (56, 58) des jeweiligen Durchganges (42, 44) auslöst. Shank end (22, 26) against the inner wall (56, 58) of the respective passage (42, 44) triggers.
3. Verbindungsanordnung (1 ) nach Anspruch 1 , dadurch gekennzeichnet, dass die Verbindungselemente (20) jeweils durch einen Stift (38) gebildet sind, dessen Querschnitt entlang seiner axialen Erstreckung zumindest im Wesentlichen gleichbleibend ist. 3. Connecting arrangement (1) according to claim 1, characterized in that the connecting elements (20) are each formed by a pin (38) whose cross-section along its axial extent is at least substantially constant.
EP17720029.2A 2016-05-19 2017-04-18 Connecting assembly for connecting a plurality of damper mass elements of a damper mass Withdrawn EP3458741A1 (en)

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DE102016208636.7A DE102016208636A1 (en) 2016-05-19 2016-05-19 Connecting arrangement for connecting a plurality of absorber mass elements of a damping mass
PCT/EP2017/059083 WO2017198404A1 (en) 2016-05-19 2017-04-18 Connecting assembly for connecting a plurality of damper mass elements of a damper mass

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EP (1) EP3458741A1 (en)
CN (1) CN109154357A (en)
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DE102019207811A1 (en) 2019-05-28 2020-12-03 Zf Friedrichshafen Ag Damper system
DE102019208068A1 (en) * 2019-06-04 2020-12-10 Zf Friedrichshafen Ag Damper system
DE102019215923A1 (en) * 2019-10-16 2021-04-22 Zf Friedrichshafen Ag Damper system

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FR2361575A1 (en) * 1976-08-13 1978-03-10 Ferodo Sa Vehicle clutch with coil springs - has tongues in inner plate shaped to form ears gripping thinner plate
DE102009028466B4 (en) * 2009-08-12 2021-08-05 Zf Friedrichshafen Ag Method for riveting two components, in particular cover disk elements of a torsional vibration damper arrangement, at a mutual distance from one another
DE102011085106A1 (en) * 2010-11-11 2013-02-28 Schaeffler Technologies AG & Co. KG Torsional vibration damping device for use in torque transmission device of motor vehicle, has flange provided with recess, and absorber mass that is connected with flange, where distance element is connected to absorber material
DE102012212734A1 (en) * 2012-07-19 2014-01-23 Zf Friedrichshafen Ag damper arrangement
DE102012219737A1 (en) * 2012-10-29 2014-04-30 Zf Friedrichshafen Ag torsional vibration damper
DE102012219738A1 (en) * 2012-10-29 2014-04-30 Zf Friedrichshafen Ag torsional vibration damper
US10203020B2 (en) * 2012-12-20 2019-02-12 Schaeffler Technologies AG & Co. KG Centrifugal pendulum
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DE102014218621A1 (en) * 2013-10-23 2015-04-23 Schaeffler Technologies Gmbh & Co. Kg centrifugal pendulum
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JP2015102228A (en) * 2013-11-28 2015-06-04 トヨタ自動車株式会社 Vibration reduction device
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JP2016011702A (en) * 2014-06-27 2016-01-21 トヨタ自動車株式会社 Vibration reduction device
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DE202015004276U1 (en) * 2015-06-17 2015-08-24 Zf Friedrichshafen Ag Connecting arrangement for fixing two Tilgermassenträger a Tilgersystems
US10533629B2 (en) * 2016-01-14 2020-01-14 Nsk Ltd. Centrifugal pendulum damper and torque transmission device

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US20190219129A1 (en) 2019-07-18
CN109154357A (en) 2019-01-04
WO2017198404A1 (en) 2017-11-23

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