EP3055459B1 - Pièce intercalaire elastiquement deformable pour la fixation d'un patin de rail - Google Patents

Pièce intercalaire elastiquement deformable pour la fixation d'un patin de rail Download PDF

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Publication number
EP3055459B1
EP3055459B1 EP13779172.9A EP13779172A EP3055459B1 EP 3055459 B1 EP3055459 B1 EP 3055459B1 EP 13779172 A EP13779172 A EP 13779172A EP 3055459 B1 EP3055459 B1 EP 3055459B1
Authority
EP
European Patent Office
Prior art keywords
rail
intermediate element
dimensionally stable
spring
elastic
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
EP13779172.9A
Other languages
German (de)
English (en)
Other versions
EP3055459A1 (fr
Inventor
Winfried BÖSTERLING
Nicole Wiethoff
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.)
Vossloh Werke GmbH
Original Assignee
Vossloh Werke 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 Vossloh Werke GmbH filed Critical Vossloh Werke GmbH
Publication of EP3055459A1 publication Critical patent/EP3055459A1/fr
Application granted granted Critical
Publication of EP3055459B1 publication Critical patent/EP3055459B1/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
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/60—Rail fastenings making use of clamps or braces supporting the side of the rail
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
    • E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
    • E01B9/303—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips the clip being a shaped bar
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B26/00—Tracks or track components not covered by any one of the preceding groups
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2205/00—Electrical insulation of railway track parts

Definitions

  • the invention relates to an intermediate element for a system for fastening a rail for a rail vehicle on a substrate.
  • the intermediate element is intended to be arranged between an end portion of a spring element and a rail for rail vehicles, so that in use the spring element transmits a hold-down force to the rail via the intermediate element.
  • the intermediate element has a support surface on which lies in use the end portion of the spring element, and a contact surface with which it is in use on the rail.
  • the invention relates to a system equipped with such an intermediate element for fastening a rail for a rail vehicle on a substrate.
  • An intermediate element and a system of this kind are for example from the DE 20 2007 018 500 U1 known.
  • a so-called "tension clamp” is used as a spring element, which is W-shaped with an middle loop and two outgoing spring arms. With the free end portions of the spring arms, the spring element is in each case a receptacle which is formed in the bearing surface of the intermediate element is.
  • the made of an electrically non-conductive plastic intermediate element sits on the top of the rail of the rail attached to the system. The intermediate element separates in this way the rail electrically from the spring element and at the same time ensures a large-scale transmission of hold-down forces on the rail.
  • a rail fastening system in which an insulating element in the form of a leaf spring receiving housing is arranged between a leaf spring and the rail of a rail to be fastened.
  • the insulating member is made of a plastic material which may comprise a vulcanized elastomer.
  • the material and the shape of the insulating element are chosen so that on the one hand an elastic support of the rail in its transverse direction and on the other hand a sufficient dimensional stability of the insulating are ensured.
  • a rail fastening in which between the end portion of the spring element and the rail base, a support plate is placed, which carries on its the rail base associated underside an insulating plate.
  • the object of the invention was to provide a means with which the risk of a shortening of the life of a system occurring in a system for fastening a rail to a substrate for holding down the rail, due to periodic movements, was reduced minimizes used spring element.
  • the invention provides an intermediate element having the features specified in claim 1.
  • the invention provides that in such a system, an intermediate element according to the invention is used.
  • the intermediate element according to the invention for a system for fastening a rail for a rail vehicle on a substrate is therefore intended to be arranged between an end portion of a spring element and the respectively to be fastened rail, so that the spring element transmits a hold-down force on the rail via the intermediate element.
  • the intermediate element has a support surface on which lies in use the end portion of the spring element, and a contact surface with which it is in use on the rail.
  • the intermediate element is designed to be elastically yielding in a direction of action directed from the support surface to the contact surface.
  • an intermediate element is thus inserted between the respective rail to be fastened and the respectively acting on the rail end of the respective spring element, which has a significantly increased elastic compliance and a correspondingly lower rigidity compared to insulator intermediate elements used at this point in known rail fastening systems, so that it causes an effective damping.
  • the intermediate element according to the invention thus provides significantly greater damping properties than is the case with the insulator elements arranged in conventional systems for fastening a rail for the purpose of electrical insulation between the respective spring element and the rail.
  • the intermediate element provided according to the invention with a certain elastic compliance allows, in use, a decoupling of the spring element exerting the hold-down force from the movements performed by the rail.
  • elastically formed intermediate element between the ends of the spring element and the rail the vibration paths of the Federarmenden reduced and shortened as a result of the damping effect thus achieved, the decay time at a natural vibration of the spring element. In this way, the spring element is protected from excessive load and its life significantly increased.
  • the inventively predetermined elasticity and damping effect of the intermediate element can be ensured by a suitable design or by a suitable choice of material.
  • a suitable design or by a suitable choice of material.
  • the intermediate element is also conceivable to form the intermediate element as a whole from an elastic or damping material, which brings the required elasticity or damping properties and is so wear-resistant that it withstands the abrasive loads to which it is exposed during use.
  • Corresponding materials are in the track superstructure, for example, for intermediate plates in use, which are placed in a rail fastening point between the respective ground and the rail on it to ensure a defined compliance of the rail in the direction of gravity.
  • the intermediate element In order for the intermediate element to transfer the hold-down forces that are exerted in use by the respective spring element permanently securely onto the rail, the intermediate element according to the invention has a dimensionally stable section on the free top side of which the support surface is formed, on which the spring element acts with the respective end portion of its spring arm.
  • the elastic element is arranged in this case on the rail associated with the underside of the dimensionally stable portion.
  • the intermediate element also has a dimensionally stable section, on the underside of which the contact surface is formed and, accordingly, the elastic element sits on its upper side facing away from the contact surface.
  • the dimensionally stable section which is thus arranged in use between the elastic element and the rail protects the elastic element, in particular against abrasive wear, which may otherwise occur on contact of the elastic element with the generally rough surface of the rail.
  • an optimal effect and durability of an intermediate element according to the invention results from the fact that the elastic element is arranged according to the invention between the two dimensionally stable sections, ie both at its respective end portion of the spring element associated upper side and at its the rail associated underside by a dimensionally stable Shielded section of the above-mentioned type.
  • the elastic element is a layer consisting of an elastic, in particular a viscoelastic material, which is covered by the respective dimensionally stable section.
  • the elastic element it is also conceivable here to form the elastic element as a separately prefabricated spring, which is coupled to the respective dimensionally rigid section.
  • the dimensionally stable portions may each consist of a wear-resistant, hard material having a strength sufficient to absorb the stresses occurring in use and to ensure sufficient dimensional stability of the respective section.
  • the dimensionally stable sections are advantageously made according to the invention of a plastic material.
  • Plastics that come into question for this purpose are known per se from the production of insulating intermediate elements of the type described above. They not only provide sufficient wear resistance and strength, but are also electrically non-conductive.
  • the intermediate element of at least one wear-resistant, as vibration or electrical voltage insulator acting hard component that makes contact with the rail or clamp, and acting as a damper elastic soft component is formed, the soft component in the manufacturing process to the hard component, ie the respective dimensionally rigid portion, are applied so that a material connection is made.
  • This can be done by spraying or sprueing.
  • the elastic element can, for example, be bonded to the respective dimensionally stable element, in particular adhesively bonded or vulcanized, or connected in any other way, for example by positive locking.
  • the elastic element is to be arranged as an intermediate layer between two dimensionally stable sections to connect the dimensionally stable sections via a web of a material having a lower elasticity than the elastic element, so in that the dimensionally stable sections and the web define a receptacle on its upper side, its lower side and its one longitudinal side in which the elastic element is seated.
  • This embodiment has the advantage that the dimensionally stable sections which are connected to one another via the web can be produced in one piece in one operation, for example, from a suitable solid plastic.
  • the web can be easily designed by minimizing its wall thickness so that it has the necessary elastic flexibility of between the dimensionally stable sections of non-obstructed elastic element.
  • a particularly suitable embodiment of an intermediate element according to the invention in particular for use in systems for rail fastening, in which a W-shaped tension clamp is used as a spring element, is characterized in that it is of elongated cuboid shape.
  • the end portions of the spring arms of such a clamping spring element can act together on a single intermediate element on the rail.
  • an intermediate element may be formed on the bearing surface form elements on which the associated end portion of the spring element is supported in use.
  • the in Fig. 1 illustrated fastening point B comprises two identically constructed systems 1,1 'for securing the conventionally formed rail S on a solid substrate formed by, for example, a concrete sleeper or a concrete slab U.
  • a system 1,1' is arranged on one of the longitudinal sides of the rail S.
  • the rail S is part of a railway track, not further shown, and has a rail foot F, a web standing thereon and a rail head supported by the web, on the free top of the tread for the wheels of the rail vehicle is formed.
  • the systems 1, 1 'each comprise a guide plate 2, 2', on each of which a spring element 3, 3 'designed as a conventional W-shaped tensioning clamp is seated.
  • the spring element 3,3 ' is in each case clamped by means of a trained as a conventional sleeper screw clamping element 4,4' against the substrate U, which is inserted through a through the respective guide plate 2,2 'from the top to the bottom extending passage opening and in each case one screwed into the substrate U plastic dowel 5.5 'is screwed.
  • the guide plate 2,2 ' is formed in the manner of a conventional angle guide plate. On its underside assigned to the underground U, it has a shoulder with which it sits in a form-fitting manner in a correspondingly formed groove 6, 6 'which is formed in the ground and extends along the rail S. With her the foot F of the rail S facing contact surface is the respective guide plate 2, 2 'at the respectively associated longitudinal side of the rail foot F. In this way, the rail S is laterally supported by the guide plates 2,2 'on their respective longitudinal side.
  • the guide plates 2, 2 ' guide the transverse forces Q, which occur when a rail vehicle passes over the attachment point B, into the ground U.
  • the respective spring element 3,3 'of the systems 1,2 exerts on the end portions 7,8 of his outgoing from his middle loop 9 spring arms 10,11 each resiliently a hold-down force N, N' on the foot F of the rail S, with the Rail S is kept pressed against the ground U.
  • a support surface 14 for the respective associated end sections 7, 8 of the spring elements 3, 3 ' is trained.
  • At the front ends 15,16 of Intermediate elements 12,12 'adjacent end portions of the support surface 14 while forming elements 17,18 are formed, each defining a trough-like, in the longitudinal direction L of the intermediate member 12,12' extending receptacle 19,20.
  • In these receptacles 19,20 sits in use the respectively associated, straight shaped end portion 7,8 of the spring elements 3,3 '.
  • the end sections 7, 8 are thus guided on their longitudinal sides in such a way that they securely retain their seat on the respective intermediate element 12, 12 'even with relatively strong relative movements between spring element 3, 3' and
  • the intermediate elements 12, 12 ' also have a plate-shaped second dimensionally stable section 21, which is arranged at a distance from the first section 13 in a direction normal to the bearing surface 14 and also extends over the length LZ and width BZ of the respective intermediate element 12, 12'. extends.
  • a flat contact surface 22 is formed, with which the respective intermediate element 12,12 'in use sits on its associated surface of the rail foot F.
  • the dimensionally stable sections 13, 21 are connected to one another via a web 23 which extends along one longitudinal side 24 of the intermediate elements 12, 12 '. Viewed in a section transverse to the longitudinal extent L of the intermediate elements 12,12 ', the dimensionally stable sections 13,21 and the web 23 accordingly surround in the manner of a "C" a slot-shaped receptacle 25 which in the position of use in FIG Direction of the respective spring element 3,3 'is open and extends over the length of the intermediate element 12,12'.
  • the dimensionally stable sections 13, 21 and the web 23 of the intermediate elements 12, 12 ' are molded integrally in an injection molding process from a solid, dimensionally stable plastic, which is, for example, polyamide, which may optionally be fiber-reinforced or particle-reinforced.
  • an elastic member 26 which consists of a viscoelastic resilient plastic material, for example a mixed or closed-cell material, for example polyetherurethane or ethylene-propylene-diene rubber.
  • the material of the elastic member 26 is injected into the receptacle 25, so that a cohesive permanent bond between the dimensionally stable sections 13,21 and the web 23 on the one side and the elastic member 26 on the other side yields.
  • the arrangement of the elastic element 26 in the receptacle 25 ensures on the one hand a sufficient dimensional stability and, on the other hand, a defined elastic compliance of the intermediate elements 12, 12 'in a direction of action of the hold-down force N corresponding effective direction W, of the support surface 14 in the direction of Riot space 22 is aligned.
  • the intermediate elements 12, 12 ' have, in addition to the high elasticity and the associated damping effect in the direction of action W, a high rigidity in a direction directed transversely to the direction of action W due to the described design according to the invention. In this way, a high push-through resistance is ensured, by which a relative movement between the respective intermediate element 12,12 'and the associated spring element 3,3' is ensured.
  • the second dimensionally stable section 21 can also be omitted.
  • the elastic element 26 is located in the mounting position directly on the associated surface of the Rail foot F on. If a suitable material is available, it would also be conceivable to use the elastic element 26 itself as an intermediate element or to position it in the sense of a sandwich between two dimensionally stable layers, by which the uniform distribution of the loads acting on the elastic element is ensured. It is also conceivable to einhausen the elastic element in a solid material, in which case the housing is designed so that the damping effect of the elastic element can still be used.

Claims (10)

  1. Élément intermédiaire pour un système (1, 1') pour fixer un rail (S) pour un véhicule ferroviaire sur un support (U), où l'élément intermédiaire (12, 12') est prévu pour être disposé entre une section d'extrémité (7, 8) d'un élément de ressort (3, 3') et le rail (S), de sorte que l'élément de ressort (4, 4') transmette via l'élément intermédiaire (12, 12') une force de maintien (N, N') sur le rail (S),
    caractérisé en ce que
    l'élément intermédiaire (12, 12') présente une surface d'appui (14) formée sur la face supérieure d'une première section (13) indéformable réalisée en matière plastique, sur laquelle repose la section d'extrémité (7, 8) de l'élément de ressort (3, 3') durant l'utilisation, et une surface de contact (22) formée sur la face inférieure d'une deuxième section (21) indéformable réalisée en matière plastique, avec laquelle il repose sur le rail (S) lors de l'utilisation, l'élément intermédiaire (12, 12') étant élastiquement souple dans une direction d'action (W) orientée de la surface d'appui (14) vers la surface de contact (22), du fait de l'agencement d'un élément élastique (26) entre les sections indéformables (13, 21).
  2. Élément intermédiaire selon la revendication 1, caractérisé en ce que l'élément élastique (26) est réalisé dans un matériau plastique.
  3. Élément intermédiaire selon l'une des revendications précédentes, caractérisé en ce que les sections indéformables (13, 21) sont reliées entre elles via un pontet (23) constitué d'un matériau présentant une élasticité plus faible que l'élément élastique (26), et que les sections indéformables (13, 21) et le pontet (23) délimitent sur leur face supérieure, leur face inférieure et une face latérale, un logement (25) dans lequel repose l'élément élastique (26).
  4. Élément intermédiaire selon la revendication 3, caractérisé en ce que les sections indéformables (13, 21) et le pontet (23) sont réalisés d'une pièce.
  5. Élément intermédiaire selon l'une des revendications précédentes, caractérisé en ce que l'élément élastique (26) est lié à la section indéformable (13, 21) correspondante par liaison de matière.
  6. Élément intermédiaire selon la revendication 5, caractérisé en ce que l'élément élastique (26) est moulé par injection sur la section indéformable (13, 21) correspondante.
  7. Élément intermédiaire selon l'une des revendications précédentes, caractérisé en ce qu'il présente une forme allongée et parallélépipédique.
  8. Élément intermédiaire selon l'une des revendications précédentes, caractérisé en ce qu'il présente un côté longitudinal dans lequel est réalisé un évidement (27), dans lequel évidement s'engage durant l'utilisation une section (9) de l'élément de ressort (3, 3'), dont au moins une section d'extrémité (7, 8) repose durant l'utilisation sur la surface d'appui (14) de l'élément intermédiaire (12, 12').
  9. Élément intermédiaire selon l'une des revendications précédentes, caractérisé en ce que des éléments de forme (17, 18) sont formés sur la surface d'appui (14), sur lesquels éléments de forme la section d'extrémité (7, 8) associée de l'élément de ressort (3, 3') vient en appui durant l'utilisation.
  10. Système pour fixer un rail (S) pour un véhicule sur rails sur un support (U), lequel le rail (S) présentant un patin de rail (F) avec lequel il vient en appui sur le support (U), comprenant :
    - un élément de ressort (3, 3') tendu contre le support (U) à l'aide d'un élément tendeur (4, 4'), présentant au moins un bras de ressort avec une section d'extrémité (7, 8) formée sur son extrémité libre, et
    - un élément intermédiaire (12, 12') conçu selon l'une des revendications 1 - 9, reposant avec sa surface de contact (22) sur le patin (F) du rail (S), et sur la surface d'appui (14) duquel repose la section d'extrémité (7, 8) du bras de ressort de l'élément de ressort (3, 3').
EP13779172.9A 2013-10-09 2013-10-09 Pièce intercalaire elastiquement deformable pour la fixation d'un patin de rail Not-in-force EP3055459B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/071099 WO2015051841A1 (fr) 2013-10-09 2013-10-09 Élément intermédiaire servant au serrage d'un patin de rail

Publications (2)

Publication Number Publication Date
EP3055459A1 EP3055459A1 (fr) 2016-08-17
EP3055459B1 true EP3055459B1 (fr) 2019-05-15

Family

ID=49385233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13779172.9A Not-in-force EP3055459B1 (fr) 2013-10-09 2013-10-09 Pièce intercalaire elastiquement deformable pour la fixation d'un patin de rail

Country Status (7)

Country Link
US (1) US20160244919A1 (fr)
EP (1) EP3055459B1 (fr)
KR (1) KR20160064209A (fr)
CN (1) CN105658871A (fr)
ES (1) ES2741152T3 (fr)
RU (1) RU2016117880A (fr)
WO (1) WO2015051841A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RS63110B1 (sr) * 2016-11-16 2022-04-29 Vossloh Fastening Systems Gmbh Zatezne stege za priključivanje šine za podlogu
DE102016122062A1 (de) 2016-11-16 2018-05-17 Vossloh-Werke Gmbh Spannklemme, Führungsplatte und Befestigungspunkt zum Befestigen einer Schiene auf einem Untergrund
DE102017111781A1 (de) 2017-05-30 2018-12-06 Vossloh-Werke Gmbh Spannklemme und Befestigungspunkt zum Befestigen einer Schiene auf einem Untergrund

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Publication number Priority date Publication date Assignee Title
FR2079870A6 (fr) * 1970-02-16 1971-11-12 Sonneville Roger
CH561822A5 (fr) * 1971-07-30 1975-05-15 Vagneux Traverses Beton
WO2006002682A1 (fr) * 2004-07-01 2006-01-12 Vossloh-Werke Gmbh Plaque a guidage angulaire, et systeme pour fixer des rails pour vehicules sur rails
DE202007018500U1 (de) 2007-02-19 2008-08-14 Vossloh-Werke Gmbh Isolier-Clip sowie System zum Befestigung einer Schiene für Schienenfahrzeuge
CN101952513B (zh) * 2008-02-22 2013-03-20 沃斯洛工厂有限公司 用于将钢轨紧固在基座上的系统
DE202008014249U1 (de) * 2008-07-09 2008-12-24 Vossloh-Werke Gmbh System zum Befestigen einer Schiene auf einem Untergrund
DE102009041112B4 (de) * 2009-09-15 2014-10-30 Vossloh-Werke Gmbh System zum Befestigen einer Schiene und Befestigung einer Schiene
EP2386687B1 (fr) * 2010-05-10 2013-11-20 Vossloh-Werke GmbH Plaque de guidage pour le guidage latéral d'un rail et système de fixation d'un rail sur un sous-sol
DE102010060745A1 (de) * 2010-11-23 2012-05-24 Vossloh-Werke Gmbh Führungsplatte zum seitlichen Führen einer Schiene und System zum Befestigen einer Schiene

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
ES2741152T3 (es) 2020-02-10
US20160244919A1 (en) 2016-08-25
WO2015051841A1 (fr) 2015-04-16
CN105658871A (zh) 2016-06-08
KR20160064209A (ko) 2016-06-07
RU2016117880A (ru) 2017-11-13
EP3055459A1 (fr) 2016-08-17

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