EP2791420B1 - Système d'amortissement - Google Patents

Système d'amortissement Download PDF

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Publication number
EP2791420B1
EP2791420B1 EP12813745.2A EP12813745A EP2791420B1 EP 2791420 B1 EP2791420 B1 EP 2791420B1 EP 12813745 A EP12813745 A EP 12813745A EP 2791420 B1 EP2791420 B1 EP 2791420B1
Authority
EP
European Patent Office
Prior art keywords
rail
lateral profile
damping arrangement
foot
profile
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.)
Active
Application number
EP12813745.2A
Other languages
German (de)
English (en)
Other versions
EP2791420A1 (fr
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
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 Daetwyler Sealing Technologies Deutschland GmbH filed Critical Daetwyler Sealing Technologies Deutschland GmbH
Publication of EP2791420A1 publication Critical patent/EP2791420A1/fr
Application granted granted Critical
Publication of EP2791420B1 publication Critical patent/EP2791420B1/fr
Active legal-status Critical Current
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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 comprising a rail, for example grooved and Vignolschiene.
  • 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 leaves open after the side facing away from the rail web, and in which the directly attachable to the underside of the rail head or region of the damping profile against the rail head is elastically yielding ,
  • the damping profile ensures both noise damping and electrical insulation of the grooved rail.
  • 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.
  • the damping profile is also a combination of the damping profile with a foot profile, which surrounds the edge of the foot of the grooved rail from below, 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 is also the DE 197 06 936 A1 refer to.
  • 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 according to claim 1.
  • a “rail” is understood here to mean a rail track, for example a grooved rail, Vignol rail or crane rail.
  • a “Schguss” becomes here one Castable preferably elastically hardening composition understood, preferably based on plastic, eg polyurethane base.
  • 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 be provided only slightly above the level of the ground facing end of the side profile to achieve 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.
  • 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.
  • Such a side profile is relatively easy to manufacture and the winding of the profile is also facilitated, which prevents 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 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 at most as large as or smaller than the height (H) of the rail foot edge. In this way it is ensured that the smallest possible amount of casting mass must be used.
  • the overlap area which is formed only in the region of the rail foot edge, only has to be large enough to allow a secure seal to the surrounding medium.
  • the side profile consists of an 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 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.
  • each case one side profile is arranged on each side of the rail, and the bottom casting encloses 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 1 shows a cross-sectional view of a damping arrangement 1 according to the invention on a base 16.
  • a grooved rail 2 with a rail head 3, a rail web 4 and a rail foot 5 is shown.
  • Strip-shaped side profiles 7, 8 each made from a single elastomer body, eg from SBR are 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.
  • 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.
  • 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.
  • 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.
  • a suitable casting compound for example an elastically hardening polyurethane composition
  • 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.
  • the attachment of the side profiles 7, 8 is facilitated by provided on the side profiles 7, 8 kink grooves 15.
  • 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.

Landscapes

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

Claims (7)

  1. Dispositif amortisseur (1), comprenant un rail (2) avec une tête de rail (3), une âme de rail (4) et un patin de rail (5), comprenant au moins un profilé latéral (7, 8), le profilé latéral (7, 8) s'appliquant sur le rail (2) sur quasiment toute sa longueur, et une fondation coulée (9) agencée sous le patin de rail (5), dans lequel le profilé latéral (7, 8) est conçu en forme de bande et s'applique sur le contour du rail (2), caractérisé en ce que le profilé latéral (7, 8)
    a. entoure le bord (6) du patin de rail (5) depuis la face supérieure (10) du patin de rail (5) tournée vers la tête de rail (3),
    b. se termine par la face inférieure (13) du patin de rail (5) opposée à la tête de rail (3), et
    c. est entouré par la fondation coulée (9) dans la région du bord de patin de rail (6), la région de chevauchement (14) entre la fondation coulée (9) et le profilé latéral (7, 8) étant au maximum égale ou inférieure à la hauteur (H) du bord de patin de rail (6).
  2. Dispositif amortisseur selon la revendication 1, caractérisé en ce que le profilé latéral (7, 8) est constituée d'un matériau élastomère électriquement isolant, de préférence de caoutchouc de styrène-butadiène (SBR), de caoutchouc naturel (NR), d'un mélange de caoutchouc naturel et de caoutchouc de butyle (NR/BR) ou d'un copolymère d'éthylène-propylène-diène (EPDM).
  3. Dispositif amortisseur selon la revendication 1 ou 2, caractérisé en ce que le profilé latéral (7, 8) est conçu d'un seul tenant.
  4. Dispositif amortisseur selon l'une des revendications précédentes, caractérisé en ce que le profilé latéral (7, 8) comporte au moins une rainure (15).
  5. Dispositif amortisseur selon l'une des revendications précédentes, caractérisé en ce que le profilé latéral (7, 8) recouvre quasiment entièrement la région latérale du rail (2).
  6. Dispositif amortisseur selon l'une des revendications précédentes, caractérisé en ce qu'un profilé latéral (7, 8) est agencé respectivement de chaque côté du rail (2), et la fondation coulée entoure les deux profilés latéraux (7, 8) dans la région du patin de rail (5).
  7. Dispositif amortisseur selon l'une des revendications précédentes, caractérisé en ce que la fondation coulée (9) est constituée d'une masse de polyuréthane.
EP12813745.2A 2011-12-14 2012-12-13 Système d'amortissement Active EP2791420B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011056435 2011-12-14
PCT/DE2012/100378 WO2013087070A1 (fr) 2011-12-14 2012-12-13 Système d'amortissement

Publications (2)

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

Family

ID=47556993

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12813745.2A Active EP2791420B1 (fr) 2011-12-14 2012-12-13 Système d'amortissement

Country Status (3)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652183B (zh) * 2015-02-13 2017-04-12 北京九州一轨隔振技术有限公司 一种有轨电车钢轨弹压式减振装置
DE102016112720A1 (de) 2016-07-12 2018-01-18 Dätwyler Sealing Technologies Deutschland Gmbh Dämpfungsanordnung für Gleise

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439252A1 (de) 1984-10-26 1986-05-07 Lothar 8700 Würzburg Eisner Material zum einbau von schienen
DE4225581A1 (de) * 1992-08-04 1994-02-10 Hermann Ortwein Schiene für Schienenfahrzeuge
NO321566B1 (no) 1996-11-26 2006-06-06 Kasei Co C I Fremgangsmate for demping av vibrasjoner i en vibrerende overflate.
DE19706936A1 (de) 1997-02-20 1998-08-27 Hermann Ortwein Schiene für Schienenfahrzeuge
DE19849266C2 (de) 1998-10-26 2002-10-02 Dresdner Verkehrsbetr E Ag Feste Fahrbahn für eine Straßenbahn
DE19939838A1 (de) 1999-08-21 2001-02-22 Freiburger Verkehrs Ag Dämpfungsprofil für Rillenschienen
ATE386843T1 (de) 2000-05-03 2008-03-15 Ihec Acquisition Corp Schienenschutz
DE20314668U1 (de) 2003-09-23 2003-11-20 Bogel Johann Dämpfungsprofil
DE202005004107U1 (de) 2005-03-11 2005-06-16 Bermüller & Co. GmbH Schienengleis
US7484669B2 (en) * 2005-04-05 2009-02-03 Metroshield Llc Insulated rail for electric transit systems and method of making same
EP1895054A1 (fr) * 2006-08-31 2008-03-05 Feronia S.A. Dispositif antibruit d'un rail pour des véhicules ferroviaires
DE102007006544A1 (de) * 2007-02-09 2008-08-14 Gummiwerk Kraiburg Elastik Gmbh Schienenumkleidungssystem für eine Schiene, insbesondere Straßenbahnschiene

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE112012005219A5 (de) 2014-10-02
WO2013087070A1 (fr) 2013-06-20
EP2791420A1 (fr) 2014-10-22

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