EP2753757A1 - Anschlusseisen zur verbesserten isolierung einer vergrabenen schiene - Google Patents

Anschlusseisen zur verbesserten isolierung einer vergrabenen schiene

Info

Publication number
EP2753757A1
EP2753757A1 EP12756788.1A EP12756788A EP2753757A1 EP 2753757 A1 EP2753757 A1 EP 2753757A1 EP 12756788 A EP12756788 A EP 12756788A EP 2753757 A1 EP2753757 A1 EP 2753757A1
Authority
EP
European Patent Office
Prior art keywords
fibers
rail
matrix
eclisse
shrinkage coefficient
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
EP12756788.1A
Other languages
English (en)
French (fr)
Other versions
EP2753757B1 (de
Inventor
Patrice Boulesteix
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.)
Plastiform's
Original Assignee
Plastiform's
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 Plastiform's filed Critical Plastiform's
Publication of EP2753757A1 publication Critical patent/EP2753757A1/de
Application granted granted Critical
Publication of EP2753757B1 publication Critical patent/EP2753757B1/de
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 present invention relates to a device for sealing along a rail buried in a substrate.
  • the rails For certain vehicles running on rail, in particular trams, the rails must not constitute an obstacle for a pedestrian or automobile traffic which circulates on the same platform as that used by the rail vehicle. This is particularly the case when this platform is a road pavement shared by a tramway.
  • the rails are then generally provided buried in a substrate of this platform, so as to be flush with the platform.
  • the rail is preferably provided isolated from the substrate by a splice system.
  • the splints provide sound insulation, electrical insulation and sealing around the rail vis-à-vis its environment.
  • the platform As the platform is subjected to the weather, it is particularly subject to strong temperature variations, particularly in certain regions where the thermal amplitudes can reach 40 to 50 ° C.
  • the fishplates subject to these temperature variations, by retracting longitudinally, create between them spaces detrimental to the insulation, including sealing.
  • a withdrawal greater than 1% is generally not acceptable, earth, water or gravel, in particular, can be introduced and thus create leaks of stray currents.
  • the invention aims to provide a splint device, able to maintain satisfactory insulation along a buried rail.
  • such a splint intended to isolate a railway rail from its environment, in particular a buried rail, is characterized in that it comprises an insulating material forming a matrix, thermally insulating and / or electrically and / or water-tight, and, fibers arranged and selected to provide the splice a linear shrinkage coefficient, measured in the longitudinal direction, less than the linear shrinkage coefficient of the matrix, measured in the longitudinal direction.
  • the fibers comprise a set of fibers extending substantially longitudinally in said matrix.
  • These fibers may form a web, preferably consisting of two sets of fibers, crossed with each other.
  • the matrix consists of several plates extending longitudinally and assembled together, each sheet being assembled between two plates, each plate preferably being arranged vertically.
  • a splint comprises at least two layers.
  • FIG. 2 is an illustration of an embodiment of a fishplate according to the invention, in the context of FIG.
  • Figure 1 illustrates a rail 1 buried in a substrate 2-4.
  • the rail is intended to roll the wheels 5 of a train.
  • the rail 1 is isolated from the substrate 2-4 by ribs 6-8.
  • the rail is isolated by three fishplates 6-8, whose role is mainly to avoid leakage currents, the rail 1 being conductive.
  • a first splint 6 extends along a left flank (in the position of Figure 1) of the rail 1
  • a second splint 7 extends along a right side of the rail and the third envelope the sole of the rail.
  • the fishplates have complementary shapes to each other and to the rail so that they fit together with each other and with the rail.
  • the fishplates 6-8 extend longitudinally - that is to say, perpendicular to the plane of FIG. 1 - along the rail 1.
  • Each splint having a given length it is extended along the same rail 1 by another splint of the same type, adjacent to the previous one.
  • FIG. 2 illustrates an embodiment for the first splint 6.
  • the splice consists of a matrix plate material, each plate 11 being arranged vertically (in the position of FIGS. 1 and 2) and extending longitudinally on the length of the splint.
  • the splice 6 consists of eleven plates 11 arranged transversely against each other and assembled together.
  • Each layer 12 comprises, firstly a first set of fibers 13 arranged substantially longitudinally and a second set of fibers 14 arranged to connect the fibers 13 between they.
  • the fibers are chosen so that they have a shrinkage coefficient lower than that of the plate material.
  • the length of a splint containing such a layer 12 varies less with the temperature than the length of a splice without such a layer.
  • the splints in particular the lateral splints 6, 7, are advantageously made of a plastic foam, for example a polyethylene foam.
  • the fibers may in particular be of one or more materials, in particular polypropylene, polyamide, polyester and / or glass.
  • a web may consist of a single set of fibers arranged longitudinally. It may also consist of two crossed assemblies and both forming an angle with a longitudinal direction, for example arranged symmetrically to each other with respect to this direction.
  • the longitudinal shrinkage coefficient of the matrix is reduced so that it is substantially equal to the linear shrinkage coefficient of the fibers.
  • the fibers are chosen so that the longitudinal shrinkage coefficient is less than 0.04% / ° K, so that for a thermal amplitude of 25 ° K, the longitudinal shrinkage of the splint is less than 1%. . Even more preferably, the fibers are selected so that the longitudinal shrinkage coefficient is less than 0.02% / ° K.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Moulding By Coating Moulds (AREA)
  • Package Frames And Binding Bands (AREA)
  • Laminated Bodies (AREA)
  • Materials For Medical Uses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP12756788.1A 2011-09-06 2012-08-24 Lasche zur isolierung einer vergrabenen schiene Active EP2753757B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1157885A FR2979643B1 (fr) 2011-09-06 2011-09-06 Eclisses permettant une meilleure isolation d'un rail enterre.
PCT/FR2012/051929 WO2013034831A1 (fr) 2011-09-06 2012-08-24 Eclisses permettant une meilleure isolation d'un rail enterre

Publications (2)

Publication Number Publication Date
EP2753757A1 true EP2753757A1 (de) 2014-07-16
EP2753757B1 EP2753757B1 (de) 2017-07-19

Family

ID=46829822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12756788.1A Active EP2753757B1 (de) 2011-09-06 2012-08-24 Lasche zur isolierung einer vergrabenen schiene

Country Status (6)

Country Link
EP (1) EP2753757B1 (de)
ES (1) ES2644130T3 (de)
FR (1) FR2979643B1 (de)
MA (1) MA35512B1 (de)
TN (1) TN2014000088A1 (de)
WO (1) WO2013034831A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3018288A1 (fr) * 2014-03-06 2015-09-11 Plastiform S Eclisse comprenant une bande de protection.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1771078A (en) * 1926-01-06 1930-07-22 Carey Philip Mfg Co Rail-expansion sound deadener
DE59909614D1 (de) * 1998-10-16 2004-07-01 Phoenix Ag Elektrisch isolierende schienenanordnung
AT411694B (de) * 2002-01-24 2004-04-26 Getzner Werkstoffe Holding Gmbh Einrichtung zur elastischen lagerung einer rillenschiene
DE10224286C5 (de) * 2002-05-31 2010-01-28 Strabag Ag Gleis für Schienenfahrzeuge sowie Verfahren zum Herstellen eines Gleises
FR2885372B1 (fr) 2005-05-03 2010-10-29 Plastiform S Dispositif d'isolation et d'etancheite d'un rail de materiel roulant, du type tramway, monte sur des traverses

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013034831A1 *

Also Published As

Publication number Publication date
WO2013034831A1 (fr) 2013-03-14
FR2979643A1 (fr) 2013-03-08
MA35512B1 (fr) 2014-10-02
EP2753757B1 (de) 2017-07-19
ES2644130T3 (es) 2017-11-27
FR2979643B1 (fr) 2014-07-04
TN2014000088A1 (fr) 2015-07-01

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