EP2776626B1 - Semelle de traverse de chemin de fer munie d'un revêtement réduisant les frottements pour une traverse de chemin de fer et traverse de chemin de fer pourvue d'une telle semelle - Google Patents

Semelle de traverse de chemin de fer munie d'un revêtement réduisant les frottements pour une traverse de chemin de fer et traverse de chemin de fer pourvue d'une telle semelle Download PDF

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Publication number
EP2776626B1
EP2776626B1 EP12784539.4A EP12784539A EP2776626B1 EP 2776626 B1 EP2776626 B1 EP 2776626B1 EP 12784539 A EP12784539 A EP 12784539A EP 2776626 B1 EP2776626 B1 EP 2776626B1
Authority
EP
European Patent Office
Prior art keywords
pad
undersleeper
coating
sleeper
threshold
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.)
Not-in-force
Application number
EP12784539.4A
Other languages
German (de)
English (en)
Other versions
EP2776626A1 (fr
Inventor
Herwig Miessbacher
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.)
Semperit AG Holding
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Semperit AG Holding
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Filing date
Publication date
Application filed by Semperit AG Holding filed Critical Semperit AG Holding
Publication of EP2776626A1 publication Critical patent/EP2776626A1/fr
Application granted granted Critical
Publication of EP2776626B1 publication Critical patent/EP2776626B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/001—Track with ballast

Definitions

  • the invention relates to a Schwellenhleohlung of an elastic and especially hard-elastic material for a track bed carried in the ballast track.
  • the invention further relates to a system of a track sleeper with such a threshold soling.
  • this track threshold is a cross-threshold for a railway or tram track system.
  • a threshold soling is known, which is arranged with respect to the installation position of a track threshold on the underside or can be arranged.
  • z. B. on the DE 10 2009 038 414 A1 directed.
  • An elastic sleeper padding allows adaptation to the ballast bed, resulting in an increase in the wing area and a reduction in the stress on the ballast or ballast grains. Furthermore, the sound transmission is reduced.
  • the EP 0 467 863 A1 discloses a rail track damper comprising a layer of elastomeric material having a plurality of openings through which the thickness of the layer is different, whereby a material having different stiffness values can be provided.
  • the EP 0 569 867 A1 relates to a rail assembly consisting of a rail track with fasteners, sleepers made of wood, concrete or the like. And the ballast bed on which the thresholds are stored. On the underside of the thresholds, an elastic pad is arranged, which essentially consists of two layers, wherein the layer facing the underside of the sleepers is an elastomeric material, while the layer surrounding the ballast bed is a nonwoven fabric.
  • the FR 2 935 399 discloses a sill which is locatable between a concrete sleeper and a railway embankment, the sleeper sole having fibers disposed within the concrete sleeper, and wherein the sleeper sole is of a viscoelastic material.
  • the WO 2009/108972 A1 discloses a sill rail for a railway sleeper having at least a first elastic layer and at least a second elastic layer, wherein a reinforcing layer is embedded between the first elastic layer and the second elastic layer, the second elastic layer forming an outer surface of the sill and the reinforcing layer is fibrous material having.
  • the FR 2 740 788 relates to a railway sleeper comprising a concrete body having a lower surface for placement on a receptacle, and an upper surface for arranging a track, and having side surfaces provided with a cushioning shroud.
  • the EP 1 298 252 A2 discloses a railway sleeper with a concrete body and at least one elastic plastic layer arranged on the underside of the concrete body. Between the concrete body and the at least one elastic plastic layer, a fiberglass layer is arranged, which adheres to the concrete of the concrete body and is connected flat to the at least one elastic plastic layer.
  • the EP 0 440 597 relates to a track upper and -unterbau rail-ne vehicles, rails with the rail or medium, or directly, with threshold are releasably connected, wherein the concrete sleeper are each connected to at least two rails and rest over a ballast bed on the ground, the Concrete sleepers have on their acted upon with the ballast bed surfaces at least one coating, which is constructed with rubber-elastic materials and is at least partially adhesively bonded to the surface of the concrete sleeper.
  • the threshold soling according to the invention which may be embodied in one piece or possibly also in several pieces, is characterized in that it is provided with a coating at least regionally and in particular over the whole area, by means of which the friction with the ballast grain or with the ballast grains of the ballast bed is reduced.
  • the material of the threshold soling, on which the coating is arranged is particularly advantageously homogeneous, d.
  • the sleeper padding preferably consists of only two different components, namely the coating and the material of the threshold padding on which the coating is arranged.
  • the friction conditions between the sleeper padding and the ballast grains according to the invention are influenced or the friction coefficient between the sleeper padding and the ballast grains is reduced such that the ballast blocks move after the sleepering due to the vibrations introduced by the train passages (or the like) can, what was previously not possible due to the high friction coefficients.
  • the friction between the track sill or its Schwellen Cosmeticsohlohlung and the gravel grains is a complex process.
  • the invention also provides the potential for reducing manufacturing costs, since as a result of the proposed coating a more cost-effective material and / or a lower soling thickness than hitherto customary can be selected.
  • the ratio of the thickness of the coating to the thickness of the threshold anneal is in the range of 0.005 to 0.6, preferably 0.03 to 0.3, and most preferably 0.1 to 0.2.
  • the thickness is in this case defined substantially at right angles to the longitudinal extent of the threshold soling or track sleeper and the rail.
  • the threshold anneal may have a thickness of about 3 mm to 20 mm, preferably about 5 mm to 12 mm.
  • the thickness of the coating is advantageously in the range of about 0.1 mm to 5 mm, advantageously about 0.1 mm to 2 mm.
  • the coating is a plastic coating or a metal coating or a composite coating.
  • the thickness of a plate material may be between 0.5 mm and 5.0 mm, preferably between 0.8 mm and 3.5 mm, and particularly preferably between 1 mm and 2.5 mm.
  • the thickness of a sheet material may be between 0.05 mm and 0.5 mm, preferably between 0.1 mm and 0.35 mm, and more preferably between 0.15 mm and 0.25 mm. As a film comes z. As a coex film into consideration.
  • the coating which is in particular in the form of a film, may preferably be made of ultrahigh molecular weight polyethylene (PE-UHMW), polyamide (PA), polyethylene terephthalate (PET), polybutylene terephthalate (PBT).
  • a positive connection can, for. B. be a rivet, nail or screw.
  • a microforming connection can be produced, for example, in a spraying process or in a multi-component injection molding process. It is therefore preferably provided that the threshold soling according to the invention is designed together with a suitable plastic coating as a multi-component injection-molded part. Further preferably, the coating is vulcanized to the Schwellenhleohlung.
  • the metal coating may be a metal foil or a metal sheet (eg of a stainless steel material).
  • the metal foil or the metal sheet may, for example, be connected in a form-fitting manner and, in particular, in a materially bonded manner to the material of the threshold soling.
  • the thickness of a metal foil may be between 0.05 mm and 0.3 mm.
  • the thickness of a metal sheet may be between 0.3 mm and 2.0 mm.
  • a fabric coating can, for. B. be formed of a textile material.
  • a textile material may, for example, contain natural fibers or synthetic fibers, which are combined in an ordered or disordered manner (random fiber textile).
  • the textile material is in particular materially connected to the material of the threshold soling.
  • Particularly suitable materials are polyamide (PA) and / or polyester (PE).
  • a composite coating may, for. B. be formed of a laminate composite material or fiber composite material. This may be a plate or a foil (for which the above explanations regarding a plastic or hard rubber coating apply analogously).
  • the composite material is in particular materially connected to the material of the threshold soling.
  • the threshold soling can alternatively or additionally be designed such that its surface is modified or changed by deliberately induced efflorescence.
  • a lubricant may already be integrated in the original material of the threshold soling, which preferably diffuses out continuously at or over the surface.
  • the material of the threshold annealing, on which the coating is arranged has a Shore A hardness of 40 to 80, preferably 60 to 70.
  • the padding is formed of natural rubber (NR), styrene-butadiene rubber (SBR), ethylene-propylene-diene rubber (EPDM), polyurethane (PUR), or a mixture thereof at least in the region where the coating is disposed.
  • the material of the soling, on which the coating is arranged can also be foamed, but is particularly preferably not foamed.
  • the threshold soling has a modulus of settling in the range of 0.05 N / mm 3 to 0.5 N / mm 3 , preferably 0.1 N / mm 3 to 0.3 N / mm 3 .
  • a Schwellenhleohlung is provided which ensures a particularly optimal ratio of compliance (the surface) of the Schwellenhleohlung and low friction to the ground.
  • the threshold insole according to the invention is formed substantially flat and / or plate-like and can be fastened to the underside of a track sleeper, such that it covers in particular the entire base area of the relevant threshold base body.
  • the threshold soling according to the invention can be designed in the form of a shoe (or cup or cup shape).
  • a shoe-like sleeper or threshold shoe
  • Such a shoe-like sleeper padding can virtually be slipped over from below over the threshold base body and thus covers both its entire base surface and at least partially the side surfaces.
  • the side wall or the lateral sections of the shoe-like sleeper padding are also at least partially provided with a coating according to the preceding and / or following explanations, by which the friction with the Gravel grains is reduced.
  • the shoe-like sleeper padding is formed integrally and dimensionally stable.
  • the threshold soling can also be designed in several parts. Otherwise, the preceding and following explanations apply analogously.
  • a system comprising a threshold base body for a track carried in the ballast bed and a sleeper padding comprising a threshold base body, which is formed in particular from a concrete material, and a threshold soling according to the invention, wherein the track sill and the threshold insole are formed such that the threshold insole, in particular directly or directly, can be arranged or arranged on an underside of the threshold main body.
  • the threshold basic body lies directly on the threshold insole or contacted directly or directly without intermediate elements, such as reinforcing plates.
  • a sleeper for a track carried in the ballast track system with a threshold base body, which is formed in particular of a concrete material, and a arranged on the underside of the threshold base Sch manleohlung.
  • the solution of the problem thus also extends to a sleeper, in particular a cross sleeper, for a railway track carried in a ballast, which is in particular a railway or tram track system.
  • the claimed cross sleeper comprises a threshold main body, which is formed in particular from a concrete material, and a threshold filing according to the invention arranged at least on the underside of this threshold main body.
  • Fig. 1 shows a total of 100 designated track threshold (cross threshold).
  • the track sill 100 includes an approximately cuboid sleeper base 110 supported by a ballast bed 200 having a plurality of ballast grains 201. At the top of the main body 110, two rails 300 are fixed in a manner known per se.
  • the track sill 100 is formed with a threshold reinforcement 120, which, preferably solid, made of an elastic and in particular hard-elastic material (such as. Rubber or hard rubber) is formed and arranged on the underside of the threshold base body 120 and in particular also attached thereto.
  • a threshold reinforcement 120 which, preferably solid, made of an elastic and in particular hard-elastic material (such as. Rubber or hard rubber) is formed and arranged on the underside of the threshold base body 120 and in particular also attached thereto.
  • the threshold reinforcement 120 has a functional coating 130 on its underside or outer side facing away from the threshold base body 110 and facing the ballast grains 201, by which a special ballast contact surface is formed to reduce the effective friction between the bottomed threshold bottom and the ballast grains 201.
  • the coating 130 is z.
  • a plastic coating, a hard rubber coating, a metal coating, a fabric coating or a composite coating as discussed above.
  • the coating 130 leads to improved friction conditions, so that the ballast grains 201 can move successively during operation due to the vibrations introduced by the train passages.
  • the aerofoil portion is increased and the local pressure loads caused by individual crushed grains 201 on the solitary threshold underside are reduced, as already explained above.
  • damage to the Schwellenhleohlung 120 can be avoided.
  • the function of the system of track sleepers, sleeper padding and ballast can be improved.
  • the coating 130 may, for example, be formed as a plate or as a film.
  • the plate or foil 130 can be held or fastened to the threshold insole 120 in a form-fitting manner, for example by screwing or riveting, and in particular by material bonding, such as by gluing or integral production.
  • the sleeper pad 120 including the coating 130 thereon, may be formed as a boot, for which reference is made to the above explanations.

Landscapes

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

Claims (12)

  1. Semelle de traverse de chemin de fer (120) pour une traverse de chemin de fer (100) portée dans le lit de ballast (200),
    dans laquelle
    la semelle de traverse (120) est formée à partir d'un matériau élastique et en particulier élastique dur,
    la semelle de traverse (120) est conçue pour pouvoir être agencée au moins sur la face inférieure de la traverse (100), et
    la semelle de traverse (120) est pourvue au moins localement d'un revêtement (130) qui réduit la friction avec les pierres de ballast (201) du lit de ballast (200),
    caractérisée en ce que
    le revêtement (130) est réalisé sous forme de revêtement métallique, de revêtement composite ou de revêtement en matière plastique, le revêtement en matière plastique étant une plaque ou une feuille, et en ce que
    le matériau de la semelle sur laquelle est agencé le revêtement (130) présente une dureté Shore A de 40 à 80.
  2. Semelle de traverse de chemin de fer (120) selon la revendication 1, dans laquelle
    le rapport de l'épaisseur du revêtement (130) sur l'épaisseur de la semelle de traverse (120) est de l'ordre de 0,03 à 0,3 et de préférence de 0,1 à 0,2.
  3. Semelle de traverse de chemin de fer (120) selon la revendication 1, dans laquelle
    le revêtement (130) est réalisé sous forme de revêtement en caoutchouc dur.
  4. Semelle de traverse de chemin de fer (120) selon la revendication 3, dans laquelle
    le revêtement en matière plastique ou le revêtement en caoutchouc dur est réalisé sous forme de plaque ou de feuille qui est fixée par coopération de matière.
  5. Semelle de traverse de chemin de fer (120) selon la revendication 1, dans laquelle
    le revêtement métallique est réalisé sous forme de feuille métallique ou de tôle métallique qui est fixée en particulier par coopération de matière.
  6. Semelle de traverse de chemin de fer (120) selon la revendication 1, dans laquelle
    à titre de revêtement, un revêtement en tissu en un matériau textile est fixé par coopération de matière.
  7. Semelle de traverse de chemin de fer (120) selon la revendication 6, dans laquelle
    le matériau textile peut comprendre des fibres naturelles ou des fibres synthétiques qui sont réunies de façon ordonnée ou non ordonnée.
  8. Semelle de traverse de chemin de fer (120) selon la revendication 1, dans laquelle
    le revêtement composite est réalisé à partir d'un matériau composite stratifié ou d'un matériau composite fibreux qui est fixé en particulier par coopération de matière.
  9. Semelle de traverse de chemin de fer (120) selon l'une des revendications précédentes,
    dans laquelle
    le matériau de la semelle sur laquelle est agencé le revêtement (130) présente une dureté Shore A de 60 à 70.
  10. Semelle de traverse de chemin de fer (120) selon l'une des revendications précédentes,
    dans laquelle
    celle-ci est réalisée de façon plane.
  11. Semelle de traverse de chemin de fer (120) selon l'une des revendications 1 à 6,
    dans laquelle
    celle-ci est réalisée en forme de sabot et comprend une paroi latérale, la paroi latérale étant également pourvue au moins localement d'un revêtement (130) qui réduit la friction avec les pierres de ballast (201).
  12. Système constitué d'un corps de base de traverse de chemin de fer (110) pour une voie ferroviaire (300) portée dans un lit de ballast et d'une semelle de traverse de chemin de fer (120), comportant un corps de base de traverse (110) qui est réalisé en particulier en matériau de béton, et une semelle de traverse de chemin de fer (120) selon l'une des revendications précédentes,
    dans lequel
    la traverse de chemin de fer (100) et la semelle de traverse (120) sont réalisées de telle sorte que la semelle de traverse (120) est agencée directement sur une face inférieure du corps de base de traverse (110).
EP12784539.4A 2011-11-10 2012-10-29 Semelle de traverse de chemin de fer munie d'un revêtement réduisant les frottements pour une traverse de chemin de fer et traverse de chemin de fer pourvue d'une telle semelle Not-in-force EP2776626B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011086084A DE102011086084A1 (de) 2011-11-10 2011-11-10 Schwellenbesohlung mit reibungsreduzierender Beschichtung für eine Gleisschwelle sowie Gleisschwelle mit einer solchen Schwellenbesohlung
PCT/EP2012/071358 WO2013068259A1 (fr) 2011-11-10 2012-10-29 Semelle de traverse de chemin de fer munie d'un revêtement réduisant les frottements pour une traverse de chemin de fer et traverse de chemin de fer pourvue d'une telle semelle

Publications (2)

Publication Number Publication Date
EP2776626A1 EP2776626A1 (fr) 2014-09-17
EP2776626B1 true EP2776626B1 (fr) 2018-12-19

Family

ID=47177966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12784539.4A Not-in-force EP2776626B1 (fr) 2011-11-10 2012-10-29 Semelle de traverse de chemin de fer munie d'un revêtement réduisant les frottements pour une traverse de chemin de fer et traverse de chemin de fer pourvue d'une telle semelle

Country Status (3)

Country Link
EP (1) EP2776626B1 (fr)
DE (1) DE102011086084A1 (fr)
WO (1) WO2013068259A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT514671B1 (de) * 2013-07-26 2016-10-15 Getzner Werkstoffe Holding Gmbh Rillenfüllkörper
DE102014112326A1 (de) * 2014-08-27 2016-03-03 GKT Gummi- und Kunststofftechnik Fürstenwalde GmbH Schwellensohle und Verfahren zur Herstellung einer Schwellensohle
DE102016101011A1 (de) * 2016-01-21 2017-07-27 Semperit Ag Holding Schwellenbesohlung
CN106436494B (zh) * 2016-10-27 2018-03-20 杭州唐普徕实业有限公司 适用于城市轨道交通高性能减振需求的组合减振道床

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405197B (de) * 1990-01-30 1999-06-25 Porr Allg Bauges Gleisober- und gleisunterbau für schienengebundene fahrzeuge
IT1249285B (it) * 1990-07-19 1995-02-22 Fip Ind Isolamento elastico antivibrante, particolarmente studiato per binari ferroviari
ES2094960T5 (es) * 1992-05-09 2002-01-01 Phoenix Ag Construccion de un rail.
FR2740788B1 (fr) * 1995-11-07 1998-01-23 Vagneux Traverses Beton Traverse de chemin de fer et elements constitutifs d'une telle traverse
BE1014318A6 (fr) * 2001-07-26 2003-08-05 Vanhonacker Patrick Dispositif de support pour rails de voie ferree ballastee.
DE20215101U1 (de) * 2001-10-01 2003-02-27 Rst Rail Systems And Technolog Bahnschwelle mit unterseitiger Beschichtung
AT506529B1 (de) * 2008-03-06 2010-05-15 Getzner Werkstoffe Holding Gmbh Schwellensohle
FR2935399B1 (fr) * 2008-09-02 2012-10-12 Sateba Systeme Vagneux Semelle viscoelastique, ensemble comportant un bloc et une semelle precitee, et procedes de fabrication correspondants.
DE102009000316A1 (de) 2009-01-20 2010-07-22 Semperit Ag Holding Schwellenschuh für Querschwellen
DE102009038414A1 (de) 2009-08-21 2011-03-03 Plica, Peter, Dr.-Ing. Elastische Besohlung für Betonschwellen

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
DE102011086084A1 (de) 2013-05-16
WO2013068259A1 (fr) 2013-05-16
EP2776626A1 (fr) 2014-09-17

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