EP2791420A1 - Damping arrangement - Google Patents

Damping arrangement

Info

Publication number
EP2791420A1
EP2791420A1 EP12813745.2A EP12813745A EP2791420A1 EP 2791420 A1 EP2791420 A1 EP 2791420A1 EP 12813745 A EP12813745 A EP 12813745A EP 2791420 A1 EP2791420 A1 EP 2791420A1
Authority
EP
European Patent Office
Prior art keywords
rail
damping arrangement
side profile
arrangement according
foot
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.)
Granted
Application number
EP12813745.2A
Other languages
German (de)
French (fr)
Other versions
EP2791420B1 (en
Inventor
Tobias TOCZKOWSKI
Bernd Pahl
Frank Ullrich
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.)
Sealable Solutions GmbH
Original Assignee
Polyplan GmbH
Daetwyler Sealing Technologies Deutschland GmbH
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 Polyplan GmbH, Daetwyler Sealing Technologies Deutschland GmbH filed Critical Polyplan GmbH
Publication of EP2791420A1 publication Critical patent/EP2791420A1/en
Application granted granted Critical
Publication of EP2791420B1 publication Critical patent/EP2791420B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E01B19/003—Means for reducing the development or propagation of noise
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B21/00—Track superstructure adapted for tramways in paved streets

Definitions

  • the invention relates to a damping arrangement for rails, such as grooved and Vignole rails.
  • Damping arrangements for rails such as grooved and Vignole rails are basically known.
  • a damping profile for grooved rails is known, which only partially fills the rail chambers in the position of use and after the side facing away from the rail web side, and in which the directly attachable to the underside of the rail head or located area of the
  • Damping profile against the rail head is elastically yielding.
  • the damping profile ensures both a noise damping and electrical insulation of the
  • Object of the present invention is therefore to enable a simple, inexpensive and flexible as possible damping and / or insulation of rails.
  • the present invention provides a damping arrangement for a rail with a
  • Damping arrangement comprises at least one side profile and arranged below the rail base, and wherein the side profile is substantially over its entire length on the rail, the edge of the rail foot of the rail head facing the top of the rail foot engages around and in the region of
  • Rail foot edge is enclosed by the sub-casting.
  • a “rail” here is a railway track, such as a grooved rail,
  • Plastic base e.g. Polyurethane.
  • the at least one side profile covers the top of the rail foot, i.
  • the subcast must therefore only slightly above the level of the
  • the side profile terminates with the underside of the rail foot facing away from the rail head. This is particularly advantageous in order to prevent any voids formation during casting of the lower casting.
  • the overlap area between the lower casting and the side profile is as small as possible, preferably at most as large as or smaller than the height (H) of the
  • Rail foot edge is formed, only need to be large enough to allow a secure seal to the surrounding medium.
  • the side profile consists of a preferably electrically insulating elastomeric material.
  • Suitable materials are for example those based on styrene-butadiene rubber (SBR), natural rubber (NR), a natural rubber-butyl rubber mixture (NR / BR) or ethylene-propylene-diene copolymer (EPDM).
  • the side profile is strip-shaped and can be applied to the contour of the rail.
  • Strip-shaped here means that the side profile is substantially flat and has a comparatively small thickness Relatively easy to produce and the winding of the profile is also facilitated, thereby preventing deformation and the provision of larger and cheaper lengths is made possible.
  • such a design facilitates the adaptation to the rail contour.
  • the side profile is preferably formed in one piece. However, this does not exclude that the side profile may have different materials and is made for example by coextrusion of these different materials.
  • the side profile in a preferred embodiment of the damping arrangement according to the invention has at least one creasing mark. This may be a notch of the side profile, so that the cross section of the longitudinal profile is reduced and in this way a bending or kinking is facilitated. It is also possible to provide a softer material in areas that need to be bent or kinked.
  • the side profile substantially completely covers the side region of the rail.
  • the side profile essentially covers the regions of the rail that point in the horizontal direction.
  • Damping arrangement is arranged on each side of the rail in each case a side profile and the sub-casting sums both side profiles in the region of the rail foot.
  • the sub-casting may consist of any suitable pourable and preferably elastically hardening composition after casting, for example of a plastics material, e.g. a polyurethane compound.
  • FIG. 1 A damping arrangement according to the present invention in cross section.
  • Fig. 2 is a schematic representation for the preparation of the inventive
  • FIG. 1 shows schematically a cross-sectional view of a device according to the invention
  • Damping arrangement 1 on a substrate 16 Illustrated here is an example
  • Side profiles 7, 8 are located on the lower and lateral surfaces of the rail head 3, the lateral surfaces of the rail web 4 and the top 10, ie the rail head 5 turned surface of the rail foot 5 at.
  • the side profiles 7, 8 are each drawn around the foot edge 6 around and close with the bottom 13 of the rail foot 5, ie the ground 16 directed end of the side profiles 7, 8 lies in the plane formed by the bottom 13 of the rail foot 5.
  • Knickriefen 15 shown which are formed here from wedge-shaped to the rail 2 extending slots in the side profile 8.
  • An adjoining each of the undersides of the rail head 3 region of the side profiles 7, 8 has channels 17, so that the side profiles 7, 8 in this area are somewhat thickened and particularly yielding.
  • the side profiles 7, 8 have a comparatively small thickness and, on the rail side, line the edge region of the rail chambers 18, 19.
  • a lower casting 9 is provided from an elastically curing polyurethane composition.
  • Two projecting portions 11, 12 of the lower casting 9 surround the side profiles 7, 8 in the region of the foot edge 6 from the outside, so that the lower casting 9 and the end portions of the side profiles 7, 8 overlap in an overlapping region 14.
  • the height of the foot edge 6 is designated H here.
  • FIG. 2 shows schematically how a damping arrangement 1 according to the invention can be produced.
  • the lower casting 9 is produced, for example by pouring a suitable casting compound, for example an elastically hardening polyurethane composition, into a trough 21 formed by the base 16 and side angle 20.
  • the rail 2 is placed with the bottom 13 of the rail foot 5 on the lower casting 9 and the side profiles 7, 8 are attached to the sides of the rail 2, adapted to the contour of the rail 2 and fixed, for example by gluing. Attaching the

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)

Abstract

The invention relates to a damping arrangement for rails, such as grooved or Vignoles rails. The problem addressed by the invention is that of enabling a simple, cost-effective and optimally flexible damping and/or isolation of rails. To this end, the present invention provides a damping arrangement (1) for a rail (2) with a rail head (3), a rail web (4) and a rail foot (5), with the damping arrangement (1) comprising at least one lateral profile (7, 8) and a cast base (9) arranged underneath the rail foot (5). The lateral profile (7, 8) is in contact with the rail (2) substantially over the entire profile length, reaches over the edge (6) of the rail foot (5) from the upper side (10) of the rail foot (5) facing the rail head (3), and is enclosed by the cast base (9) in the area of the rail foot edge (6).

Description

DÄMPFUNGSANORDNUNG  CUSHIONING ARRANGEMENT
Die Erfindung betrifft eine Dämpfungsanordnung für Schienen, beispielsweise Rillen- und Vignolschienen. The invention relates to a damping arrangement for rails, such as grooved and Vignole rails.
Dämpfungsanordnungen für Schienen wie beispielsweise Rillen- und Vignolschienen sind grundsätzlich bekannt. Aus der WO 01/14642 AI ist beispielsweise ein Dämpfungsprofil für Rillenschienen bekannt, das in Gebrauchsstellung die Schienenkammern nur teilweise ausfüllt und nach der von dem Schienensteg abgewandten Seite offen lässt, und bei dem der unmittelbar an der Unterseite des Schienenkopfes anbringbare oder befindliche Bereich des Damping arrangements for rails such as grooved and Vignole rails are basically known. From WO 01/14642 AI, for example, a damping profile for grooved rails is known, which only partially fills the rail chambers in the position of use and after the side facing away from the rail web side, and in which the directly attachable to the underside of the rail head or located area of the
Dämpfungsprofils gegen den Schienenkopf hin elastisch nachgiebig ist. Das Dämpfungsprofil sorgt sowohl für eine Geräuschdämpfung als auch für eine elektrische Isolierung der  Damping profile against the rail head is elastically yielding. The damping profile ensures both a noise damping and electrical insulation of the
Rillenschiene. Darüber hinaus ist beispielsweise aus der EP 1518963 Bl ein streifenförmiges Dämpfungsprofil bekannt geworden, das nach einer Seite hin offene Schlitze aufweist, um das Dämpfungsprofil besser an unterschiedliche Abmessungen von Querschnitten von Rillenschienen anpassen zu können. In der EP 1518963 Bl ist auch eine Kombination des Dämpfungsprofils mit einem Fußpro fil, das den Rand des Fußes der Rillenschiene von unten umgreift, beschrieben. Das Dämpfungsprofil weist eine Lippe auf, die den Randbereich des Fußprofils übergreift, um auf diese Weise eine Isolation der Rillenschiene zu bewirken. Eine ähnliche Konstruktion ist auch der DE 197 06 936 AI zu entnehmen. Grooved rail. In addition, for example, from EP 1518963 Bl a strip-shaped damping profile has become known, which has slots open to one side in order to better adapt the damping profile to different dimensions of cross sections of grooved rails can. In EP 1518963 Bl also a combination of the damping profile with a Fußpro fil, which surrounds the edge of the foot of the grooved rail from below, is described. The damping profile has a lip which engages over the edge region of the foot profile, in order in this way to effect isolation of the grooved rail. A similar construction can also be found in DE 197 06 936 AI.
Aus der WO 01/83889 AI ist ein Dämpfungsprofil bekannt, das eine Rillenschiene mit From WO 01/83889 AI a damping profile is known, which has a grooved rail
Ausnahme des Schienenkopfes vollständig umkleidet. Auch in der EP 0 849 495 Bl ist ein entsprechendes Dämpfungsprofil beschrieben. Solche Dämpfungsprofile müssen allerdings für jeden Schienentyp extra angepasst werden und sind daher relativ aufwändig und unflexibel im Einsatz. Aus der DE 3439252 AI ist darüber hinaus bekannt, zur Schallisolierung unterhalb des Exception of the rail head completely covered. Also in EP 0 849 495 B1 a corresponding damping profile is described. However, such damping profiles must be adapted separately for each rail type and are therefore relatively complex and inflexible in use. From DE 3439252 AI is also known for sound insulation below the
Schienenfußes und im Bereich der Schienenkammer eine Masse aus einem elastisch Rail foot and in the area of the rail chamber a mass of an elastic
aushärtenden Zweikomponentensystem auf Polyurethanbasis, in dem Blähtonkörner eingeschlossen sind, anzuordnen. Aus der DE 29918 842 Ul ist es darüber hinaus bekannt, elastische Platten aus einem geschlossenzelligem Polyurethanschaum unter dem Schienenfuß anzuordnen, um die Druckbelastung einer darunter liegenden Betonvergussschicht zu verringern. Auch in der DE 20 2005 004 107 Ul ist eine elastische Lage unter dem Schienenfuß angeordnet. Zur Abdichtung des Schienenfußes gegen Feuchtigkeit sind die Schienenkammern ausfüllende Seitenprofile vorgesehen, welche die elastische Lage mittels Dichtnasen in einem über den Schienenfuß hinausragenden Bereich der elastischen Lage dichtend beaufschlagen. hardening two-component polyurethane-based system in which expanded clay grains are included, to arrange. From DE 29918 842 Ul it is also known to arrange elastic plates made of a closed-cell polyurethane foam under the rail, in order to reduce the pressure load on an underlying Betonvergussschicht. Also in DE 20 2005 004 107 Ul an elastic layer is disposed under the rail. To seal the rail foot against moisture, the rail chambers filling side profiles are provided, which act on the elastic layer by means of sealing tabs in a projecting beyond the rail foot region of the elastic layer sealing.
Im Stand der Technik ist es auch bekannt, Seitenprofile, wie sie beispielsweise in der WO 01/14642 AI und der EP 1518963 Bl beschrieben sind, mit einem Kunststoff-Unterguss zu kombinieren. Um eine vollständige Isolierung der Schienen zu erreichen, ist es dabei allerdings erforderlich, eine vergleichsweise große Menge an Kunststoffmaterial zu verwenden. Bei dem Versuch, Kunststoffmaterial einzusparen, kommt es jedoch häufig dazu, dass Bereiche der Schienen nicht von dem Material bedeckt und damit nicht isoliert sind. It is also known in the prior art to combine side profiles, as described, for example, in WO 01/14642 A1 and EP 1518963 B1, with a plastic bottom casting. However, to achieve complete isolation of the rails, it is necessary to use a comparatively large amount of plastic material. When trying to save plastic material, however, it often happens that areas of the rails are not covered by the material and thus are not insulated.
Aufgabe der vorliegenden Erfindung ist es daher, eine einfache, kostengünstige und möglichst flexible Dämpfung und/oder Isolierung von Schienen zu ermöglichen. Object of the present invention is therefore to enable a simple, inexpensive and flexible as possible damping and / or insulation of rails.
Gelöst wird die Aufgabe mit einem Gegenstand gemäß Anspruch 1. Zweckmäßige The problem is solved with an article according to claim 1. Appropriate
Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben. Embodiments of the invention are specified in the subclaims.
Die vorliegende Erfindung stellt eine Dämpfungsanordnung für eine Schiene mit einem The present invention provides a damping arrangement for a rail with a
Schienenkopf, einem Schienensteg und einem Schienenfuß bereit, wobei die Rail head, a rail bridge and a rail foot ready, the
Dämpfungsanordnung mindestens ein Seitenprofil und einen unter dem Schienenfuß angeordneten Unterguss umfasst, und wobei das Seitenprofil im Wesentlichen über seine ganze Länge an der Schiene anliegt, den Rand des Schienenfußes von der dem Schienenkopf zugewendeten Oberseite des Schienenfußes her umgreift und im Bereich des Damping arrangement comprises at least one side profile and arranged below the rail base, and wherein the side profile is substantially over its entire length on the rail, the edge of the rail foot of the rail head facing the top of the rail foot engages around and in the region of
Schienenfußrandes vom Unterguss eingefasst ist. Unter einer„Schiene" wird hier eine Bahnschiene, beispielsweise eine Rillenschiene, Rail foot edge is enclosed by the sub-casting. Under a "rail" here is a railway track, such as a grooved rail,
Vignolschiene oder Kranschiene verstanden. Unter einem„Unterguss" wird hier eine gieß fähige vorzugsweise elastisch aushärtende Masse verstanden, vorzugsweise auf Vignol rail or crane rail understood. Under a "Unterguss" becomes here one Cast enabled preferably elastically hardening mass understood, preferably on
Kunststoffbasis, z.B. Polyurethanbasis. Plastic base, e.g. Polyurethane.
Bei der erfindungsgemäßen Dämpfungsanordnung bedeckt das mindestens eine Seitenprofil die Oberseite des Schienenfußes, d.h. Die zum Schienenkopf gerichtete Oberfläche des Schienenfußes, vollständig und umgreift darüber hinaus noch den Randbereich des Schienenfußes von der Oberseite aus. Der Unterguss muss daher nur geringfügig über das Niveau des zum In the damping arrangement according to the invention, the at least one side profile covers the top of the rail foot, i. The rail head directed to the surface of the rail foot, completely and also still surrounds the edge region of the rail foot from the top. The subcast must therefore only slightly above the level of the
Untergrund weisenden Endes des Seitenprofils hinaus vorgesehen sein, um eine vollständige Isolierung der Schiene zu erreichen. Auf diese Weise kann eine Dämpfung und/oder elektrische Isolierung der Schiene auf einfache und kostengünstige Weise hergestellt werden. Be provided underground end of the side profile to achieve a complete isolation of the rail. In this way, a damping and / or electrical insulation of the rail can be produced in a simple and cost-effective manner.
In einer bevorzugten Ausführungsform der erfindungsgemäßen Dämpfungsanordnung schließt das Seitenprofil mit der vom Schienenkopf abgewandten Unterseite des Schienenfußes ab. Das ist besonders vorteilhaft, um eine etwaige Lunkerbildung beim Gießen des Untergusses zu verhindern. In a preferred embodiment of the damping arrangement according to the invention, the side profile terminates with the underside of the rail foot facing away from the rail head. This is particularly advantageous in order to prevent any voids formation during casting of the lower casting.
Besonders bevorzugt ist der der Überlappungsbereich zwischen Unterguss und Seitenprofil möglichst klein, vorzugsweise maximal so groß wie oder kleiner als die Höhe (H) des Particularly preferably, the overlap area between the lower casting and the side profile is as small as possible, preferably at most as large as or smaller than the height (H) of the
Schienenfußrandes. Auf diese Weise ist sichergestellt, dass eine möglichst geringe Menge Gussmasse eingesetzt werden muss. Der Überlappungsbereich, der lediglich im Bereich desSchienenfußrandes. In this way it is ensured that the smallest possible amount of casting mass must be used. The overlap area, which is only in the range of
Schienenfußrandes ausgebildet ist, muss lediglich groß genug sein, um eine sichere Abdichtung zum umgebenden Medium zu ermöglichen. Rail foot edge is formed, only need to be large enough to allow a secure seal to the surrounding medium.
Besonders bevorzugt besteht das Seitenprofil aus einem vorzugsweise elektrisch isolierenden elastomeren Werkstoff. Geeignete Materialien sind beispielsweise solche auf Basis von Styrol- Butadien-Kautschuk (SBR), Naturkautschuk (NR), einer Naturkautschuk-Butylkautschuk- Mischung (NR/BR) oder Ethylen-Propylen-Dien-Mischpolymerisat (EPDM). Particularly preferably, the side profile consists of a preferably electrically insulating elastomeric material. Suitable materials are for example those based on styrene-butadiene rubber (SBR), natural rubber (NR), a natural rubber-butyl rubber mixture (NR / BR) or ethylene-propylene-diene copolymer (EPDM).
In einer besonders bevorzugten Ausführungsform der erfindungsgemäßen In a particularly preferred embodiment of the invention
Dämpfungsanordnung ist das Seitenprofil streifenförmig ausgebildet und an die Kontur der Schiene anlegbar.„Streifenförmig" heißt hier, dass das Seitenprofil im Wesentlichen flächig ausgebildet ist und eine vergleichsweise geringe Dicke aufweist. Ein solches Seitenprofil ist vergleichsweise leicht herstellbar und das Wickeln des Profils ist ebenfalls erleichtert, wodurch Verformungen verhindert und die Bereitstellung größerer und kostengünstigerer Längen ermöglicht wird. Darüber hinaus erleichtert eine solche Ausgestaltung die Anpassung an die Schienenkontur. Damping arrangement, the side profile is strip-shaped and can be applied to the contour of the rail. "Strip-shaped" here means that the side profile is substantially flat and has a comparatively small thickness Relatively easy to produce and the winding of the profile is also facilitated, thereby preventing deformation and the provision of larger and cheaper lengths is made possible. In addition, such a design facilitates the adaptation to the rail contour.
Das Seitenprofil ist vorzugsweise einstückig ausgebildet. Das schließt allerdings nicht aus, dass das Seitenprofil unterschiedliche Materialien aufweisen kann und beispielsweise mittels Koextrusion dieser unterschiedlichen Materialien hergestellt ist. Um die Anpassung an die Schienenkontur weiter zu erleichtern, weist das Seitenprofil in einer bevorzugten Ausführungsform der erfindungsgemäßen Dämpfungsanordnung mindestens eine Knickriefe auf. Es kann sich hierbei um eine Einkerbung des Seitenprofils handeln, so dass der Querschnitt des Längsprofils vermindert und auf diese Weise ein Biegen bzw. Knicken erleichtert ist. Möglich ist aber auch, in Bereichen, die gebogen bzw. geknickt werden müssen, ein weicheres Material vorzusehen. The side profile is preferably formed in one piece. However, this does not exclude that the side profile may have different materials and is made for example by coextrusion of these different materials. In order to further facilitate adaptation to the rail contour, the side profile in a preferred embodiment of the damping arrangement according to the invention has at least one creasing mark. This may be a notch of the side profile, so that the cross section of the longitudinal profile is reduced and in this way a bending or kinking is facilitated. It is also possible to provide a softer material in areas that need to be bent or kinked.
Vorzugsweise bedeckt das Seitenprofil den Seitenbereich der Schiene im Wesentlichen vollständig. Dadurch bedeckt das Seitenprofil im Wesentlichen die Bereiche der Schiene, die in horizontale Richtung weisen. Preferably, the side profile substantially completely covers the side region of the rail. As a result, the side profile essentially covers the regions of the rail that point in the horizontal direction.
In einer besonders bevorzugten Ausführungsform der erfindungsgemäßen In a particularly preferred embodiment of the invention
Dämpfungsanordnung ist auf jeder Seite der Schiene jeweils ein Seitenprofil angeordnet und der Unterguss fasst beide Seitenprofile im Bereich des Schienenfußes ein. Der Unterguss kann aus jeder geeigneten gießfähigen und nach dem Gießen vorzugsweise elastisch aushärtenden Masse bestehen, beispielsweise aus einer Kunststoffmasse, z.B. einer Polyurethanmasse. Damping arrangement is arranged on each side of the rail in each case a side profile and the sub-casting sums both side profiles in the region of the rail foot. The sub-casting may consist of any suitable pourable and preferably elastically hardening composition after casting, for example of a plastics material, e.g. a polyurethane compound.
Die Erfindung wird im Folgenden anhand der beigefügten Figuren zu bevorzugten Aus- führungsformen der Erfindung rein zu Veranschaulichungszwecken näher erläutert. Es zeigt: The invention will be explained in more detail below with reference to the accompanying figures to preferred embodiments of the invention purely for illustrative purposes. It shows:
Fig. 1 Eine Dämpfungsanordnung gemäß der vorliegenden Erfindung im Querschnitt. Fig. 2 Eine schematische Darstellung zur Herstellung der erfindungsgemäßen Fig. 1 A damping arrangement according to the present invention in cross section. Fig. 2 is a schematic representation for the preparation of the inventive
Dämpfungsanordnung gemäß Fig. 1. Figur 1 zeigt schematisch eine Querschnittsansicht einer erfindungsgemäßen Damping arrangement according to FIG. 1. FIG. 1 shows schematically a cross-sectional view of a device according to the invention
Dämpfungsanordnung 1 auf einem Untergrund 16. Beispielhaft dargestellt ist hier eine  Damping arrangement 1 on a substrate 16. Illustrated here is an example
Rillenschiene 2 mit einem Schienenkopf 3, einem Schienensteg 4 und einem Schienenfuß 5. Streifenförmige, jeweils aus einem einzigen Elastomerkörper, z.B. aus SBR, gefertigte Grooved rail 2 with a rail head 3, a rail web 4 and a rail foot 5. Strip-shaped, each of a single elastomeric body, e.g. made of SBR, manufactured
Seitenprofile 7, 8 liegen an den unteren und seitlichen Flächen des Schienenkopfes 3, den seitlichen Flächen des Schienensteges 4 sowie der Oberseite 10, d.h. der zum Schienenkopf 5 gewendeten Oberfläche des Schienenfußes 5 an. Die Seitenprofile 7, 8 sind jeweils um den Fußrand 6 herum gezogen und schließen mit der Unterseite 13 des Schienenfußes 5 ab, d.h. das zum Untergrund 16 gerichtete Ende der Seitenprofile 7, 8 liegt in der von der Unterseite 13 des Schienenfußes 5 gebildeten Ebene. Beispielhaft sind für eines der Seitenprofile 7, 8, nämlich für das rillenseitig angeordnete Seitenprofil 8, Knickriefen 15 dargestellt, die hier aus keilförmig zur Schiene 2 hin verlaufenden Schlitzen im Seitenprofil 8 gebildet sind. Ein jeweils an den Unterseiten des Schienenkopfes 3 anliegender Bereich der Seitenprofile 7, 8 weist Kanäle 17 auf, so dass die Seitenprofile 7, 8 in diesem Bereich etwas verdickt und besonders nachgiebig sind. Die Seitenprofile 7, 8 weisen eine vergleichsweise geringe Dicke auf und kleiden schienenseitig den Randbereich der Schienenkammern 18, 19 aus. Unmittelbar unter dem Schienenfuß 5 ist ein Unterguss 9 aus einer elastisch aushärtenden Polyurethanmasse vorgesehen. Zwei überstehende Bereiche 11, 12 des Untergusses 9 umgreifen die Seitenprofile 7, 8 im Bereich des Fußrandes 6 von außen, so dass sich Unterguss 9 und die Endbereiche der Seitenprofile 7, 8 in einem Überlappungsbereich 14 überlappen. Die Höhe des Fußrandes 6 ist hier mit H bezeichnet. Die Bereiche 11, 12 des Untergusses 9 überragen die von der Unterseite 13 des Schienenfußes 5 gebildete Ebene hier um etwa die halbe Höhe H, so dass hier auch der Überlappungsbereich 14 eine Strecke mit der Länge von etwa der halben Höhe H umfasst. Auf diese Weise ist die Schiene 2 bis auf die nach oben, d.h. vom Untergrund 16 weg, weisenden Flächen des Schienenkopfes 3, z.B. der Lauffläche, vollständig von einer dämpfenden und/oder elektrisch isolierenden Schicht umgeben. Figur 2 zeigt schematisch, wie eine erfindungsgemäße Dämpfungsanordnung 1 hergestellt werden kann. Zunächst wird auf bekannte Weise der Unterguss 9 hergestellt, zum Beispiel indem eine geeignete Gussmasse, zum Beispiel eine elastisch aushärtende Polyurethanmasse, in eine durch den Untergrund 16 und Seitenwinkel 20 gebildete Wanne 21 gegossen wird. Nach dem Aushärten wird die Schiene 2 mit der Unterseite 13 des Schienenfußes 5 auf den Unterguss 9 gesetzt und die Seitenprofile 7, 8 werden an den Seiten der Schiene 2 angebracht, der Kontur der Schiene 2 angepasst und, zum Beispiel durch Kleben, befestigt. Das Anbringen der Side profiles 7, 8 are located on the lower and lateral surfaces of the rail head 3, the lateral surfaces of the rail web 4 and the top 10, ie the rail head 5 turned surface of the rail foot 5 at. The side profiles 7, 8 are each drawn around the foot edge 6 around and close with the bottom 13 of the rail foot 5, ie the ground 16 directed end of the side profiles 7, 8 lies in the plane formed by the bottom 13 of the rail foot 5. By way of example, for one of the side profiles 7, 8, namely for the groove side arranged side profile 8, Knickriefen 15 shown, which are formed here from wedge-shaped to the rail 2 extending slots in the side profile 8. An adjoining each of the undersides of the rail head 3 region of the side profiles 7, 8 has channels 17, so that the side profiles 7, 8 in this area are somewhat thickened and particularly yielding. The side profiles 7, 8 have a comparatively small thickness and, on the rail side, line the edge region of the rail chambers 18, 19. Immediately below the rail 5, a lower casting 9 is provided from an elastically curing polyurethane composition. Two projecting portions 11, 12 of the lower casting 9 surround the side profiles 7, 8 in the region of the foot edge 6 from the outside, so that the lower casting 9 and the end portions of the side profiles 7, 8 overlap in an overlapping region 14. The height of the foot edge 6 is designated H here. The regions 11, 12 of the lower casting 9 project beyond the plane formed by the underside 13 of the rail foot 5 by approximately half the height H, so that here also the overlapping region 14 comprises a length of approximately half the height H. In this way, the rail 2 is completely surrounded by a damping and / or electrically insulating layer, apart from the surfaces of the rail head 3, eg the running surface, facing away from the ground 16, ie, the running surface. FIG. 2 shows schematically how a damping arrangement 1 according to the invention can be produced. First, in a known manner, the lower casting 9 is produced, for example by pouring a suitable casting compound, for example an elastically hardening polyurethane composition, into a trough 21 formed by the base 16 and side angle 20. After curing, the rail 2 is placed with the bottom 13 of the rail foot 5 on the lower casting 9 and the side profiles 7, 8 are attached to the sides of the rail 2, adapted to the contour of the rail 2 and fixed, for example by gluing. Attaching the
Seitenprofile 7, 8 wird erleichtert durch an den Seitenprofilen 7, 8 vorgesehene Knickriefen 15. Anschließend werden die überstehenden Bereiche 11, 12 des Untergusses 9 gegossen, wodurch die unteren Enden der Seitenprofile 7, 8 im Überlappungsbereich eingegossen werden. Die Seitenwinkel 20 werden nach deren Aushärten entfernt. Side profiles 7, 8 is facilitated by provided on the side profiles 7, 8 kink grooves 15. Subsequently, the projecting portions 11, 12 of the lower casting 9 are poured, whereby the lower ends of the side profiles 7, 8 are poured in the overlapping area. The side angles 20 are removed after they have hardened.

Claims

PATENT ANSPRÜCHE PATENT CLAIMS
1. Dämpfungsanordnung (1) für eine Schiene (2) mit einem Schienenkopf (3), einem 1. damping arrangement (1) for a rail (2) with a rail head (3), a
Schienensteg (4) und einem Schienenfuß (5), umfassend mindestens ein Seitenprofil (7, 8), wobei das Seitenprofil (7, 8) im Wesentlichen über seine ganze Länge an der Schiene (2) anliegt, und einen unter dem Schienenfuß (5) angeordneten Unterguss (9), dadurch gekennzeichnet, dass das Seitenprofil (7, 8) den Rand (6) des Schienenfußes (5) von der dem Schienenkopf (3) zugewendeten Oberseite (10) des Schienenfußes (5) her umgreift und im Bereich des Schienenfußrandes (6) vom Unterguss (9) eingefasst ist.  Rail web (4) and a rail foot (5), comprising at least one side profile (7, 8), wherein the side profile (7, 8) substantially over its entire length against the rail (2), and a below the rail (5 ) arranged subgast (9), characterized in that the side profile (7, 8) surrounds the edge (6) of the rail foot (5) of the rail head (3) facing top (10) of the rail foot (5) ago and in the area of the rail foot rim (6) is enclosed by the lower casting (9).
2. Dämpfungsanordnung nach Anspruch 1, dadurch gekennzeichnet, dass das Seitenprofil (7, 8) mit der vom Schienenkopf (3) abgewandten Unterseite (13) des Schienenfußes (5) abschließt. 2. Damping arrangement according to claim 1, characterized in that the side profile (7, 8) with the rail head (3) facing away from bottom (13) of the rail foot (5).
3. Dämpfungsanordnung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der Überlappungsbereich (14) zwischen Unterguss (9) und Seitenprofil (7, 8) möglichst klein, vorzugsweise maximal so groß wie oder kleiner als die Höhe (H) des 3. Damping arrangement according to one of claims 1 or 2, characterized in that the overlap region (14) between the lower casting (9) and side profile (7, 8) as small as possible, preferably at most as large as or smaller than the height (H) of
Schienenfußrandes (6) ist.  Rail foot edge (6) is.
4. Dämpfungsanordnung nach einem der vorhergehenden Ansprüche, dadurch 4. Damping arrangement according to one of the preceding claims, characterized
gekennzeichnet, dass das Seitenprofil (7, 8) aus einem vorzugsweise elektrisch isolierenden elastomeren Werkstoff besteht, bevorzugt aus Styrol-Butadien- Kautschuk (SBR), Naturkautschuk (NR), einer Naturkautschuk-Butylkautschuk-Mischung (NR/BR) oder aus Ethylen-Propylen-Dien-Mischpolymerisat (EPDM).  in that the side profile (7, 8) consists of a preferably electrically insulating elastomeric material, preferably of styrene-butadiene rubber (SBR), natural rubber (NR), a natural rubber-butyl rubber mixture (NR / BR) or of ethylene rubber. Propylene-diene copolymer (EPDM).
5. Dämpfungsanordnung nach einem der vorhergehenden Ansprüche, dadurch 5. Damping arrangement according to one of the preceding claims, characterized
gekennzeichnet, dass das Seitenprofil (7, 8) streifenförmig ausgebildet und an die Kontur der Schiene (2) anlegbar ist.  in that the side profile (7, 8) is strip-shaped and can be applied to the contour of the rail (2).
6. Dämpfungsanordnung nach einem der vorhergehenden Ansprüche, dadurch 6. Damping arrangement according to one of the preceding claims, characterized
gekennzeichnet, dass das Seitenprofil (7, 8) einstückig ausgebildet ist. characterized in that the side profile (7, 8) is integrally formed.
7. Dämpfungsanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Seitenprofil (7, 8) mindestens eine Knickriefe (15) aufweist. 7. Damping arrangement according to one of the preceding claims, characterized in that the side profile (7, 8) has at least one kink marks (15).
8. Dämpfungsanordnung nach einem der vorhergehenden Ansprüche, dadurch 8. Damping arrangement according to one of the preceding claims, characterized
gekennzeichnet, dass das Seitenprofil (7, 8) den Seitenbereich der Schiene (2) im  characterized in that the side profile (7, 8) the side region of the rail (2) in
Wesentlichen vollständig bedeckt.  Essentially completely covered.
9. Dämpfungsanordnung nach einem der vorhergehenden Ansprüche, dadurch 9. Damping arrangement according to one of the preceding claims, characterized
gekennzeichnet, dass auf jeder Seite der Schiene (2) jeweils ein Seitenprofil (7, 8) angeordnet ist und der Unterguss beide Seitenprofile (7, 8) im Bereich des Schienenfußes (5) einfasst.  in that a respective side profile (7, 8) is arranged on each side of the rail (2) and the lower casting encloses both side profiles (7, 8) in the region of the rail foot (5).
10. Dämpfungsanordnung nach einem der vorhergehenden Ansprüche, dadurch 10. Damping arrangement according to one of the preceding claims, characterized
gekennzeichnet, dass der Unterguss (9) aus einer Polyurethanmasse besteht.  characterized in that the lower casting (9) consists of a polyurethane composition.
EP12813745.2A 2011-12-14 2012-12-13 Damping arrangement Active EP2791420B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011056435 2011-12-14
PCT/DE2012/100378 WO2013087070A1 (en) 2011-12-14 2012-12-13 Damping arrangement

Publications (2)

Publication Number Publication Date
EP2791420A1 true EP2791420A1 (en) 2014-10-22
EP2791420B1 EP2791420B1 (en) 2016-05-18

Family

ID=47556993

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Application Number Title Priority Date Filing Date
EP12813745.2A Active EP2791420B1 (en) 2011-12-14 2012-12-13 Damping arrangement

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Country Link
EP (1) EP2791420B1 (en)
DE (1) DE112012005219A5 (en)
WO (1) WO2013087070A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652183B (en) * 2015-02-13 2017-04-12 北京九州一轨隔振技术有限公司 Railroad car steel rail spring type vibration reduction device
DE102016112720A1 (en) * 2016-07-12 2018-01-18 Dätwyler Sealing Technologies Deutschland Gmbh Damping arrangement for tracks

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Publication number Priority date Publication date Assignee Title
DE3439252A1 (en) 1984-10-26 1986-05-07 Lothar 8700 Würzburg Eisner RAIL INSTALLATION MATERIAL
DE4225581A1 (en) * 1992-08-04 1994-02-10 Hermann Ortwein Rail for railborne vehicles - has coating of vibration-damping material extending over side surface of rail
NO321566B1 (en) 1996-11-26 2006-06-06 Kasei Co C I Method of dampening vibrations in a vibrating surface.
DE19706936A1 (en) 1997-02-20 1998-08-27 Hermann Ortwein Rail track
DE19849266C2 (en) 1998-10-26 2002-10-02 Dresdner Verkehrsbetr E Ag Fixed carriageway for a tram
DE19939838A1 (en) 1999-08-21 2001-02-22 Freiburger Verkehrs Ag Damping profile for rails, in particular, grooved rails only partially fills the rail chambers, and comprises an elastically compliant top section which is pressed against the underside of the rail head
AU774420B2 (en) 2000-05-03 2004-06-24 Ihec Acquisition Corporation Rail boot
DE20314668U1 (en) 2003-09-23 2003-11-20 Bogel Johann damping profile
DE202005004107U1 (en) 2005-03-11 2005-06-16 Bermüller & Co. GmbH Rail track comprises two rails with rail chamber filler units which are provided with a sealing projection compressing the end portions of an elastic layer under the rail
US7484669B2 (en) * 2005-04-05 2009-02-03 Metroshield Llc Insulated rail for electric transit systems and method of making same
EP1895054A1 (en) * 2006-08-31 2008-03-05 Feronia S.A. Sound insulating device for rails for railway vehicles
DE102007006544A1 (en) * 2007-02-09 2008-08-14 Gummiwerk Kraiburg Elastik Gmbh Rail covering system for a rail, in particular tram rail

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Also Published As

Publication number Publication date
DE112012005219A5 (en) 2014-10-02
EP2791420B1 (en) 2016-05-18
WO2013087070A1 (en) 2013-06-20

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