EP3260600B2 - Verfahren zum reparieren einer eisenbahnschiene mithilfe einer reparaturform - Google Patents

Verfahren zum reparieren einer eisenbahnschiene mithilfe einer reparaturform Download PDF

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Publication number
EP3260600B2
EP3260600B2 EP17171995.8A EP17171995A EP3260600B2 EP 3260600 B2 EP3260600 B2 EP 3260600B2 EP 17171995 A EP17171995 A EP 17171995A EP 3260600 B2 EP3260600 B2 EP 3260600B2
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EP
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Prior art keywords
recess
rail
withdrawing
curvature
curvilinear
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English (en)
French (fr)
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EP3260600B1 (de
EP3260600A1 (de
Inventor
Arnaud LORIEUX
Claude MONNET
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SNCF Reseau
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SNCF Reseau
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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
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/18—Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails

Definitions

  • the present invention relates to the field of repairing a running rail of a railway track.
  • a railway track conventionally comprises longitudinal running rails connected by transverse sleepers made of wood or concrete which rest on the ground.
  • two consecutive running rails are connected by welded joints.
  • a joint has the disadvantage of creating a discontinuity between the running rails, which is a source of shocks and prematurely increases the wear of the running rails.
  • LRS Long Rail Welded
  • a running rail 1 comprises: a lower part 13, designated “shoe”, adapted to rest on the ground, an upper part 11, designated “mushroom”, adapted to be in contact with a wheel of a railway vehicle along an upper surface 14 designated “rolling table”, and an intermediate part 12, designated “web” which connects the upper part 11 to the lower part 13.
  • a running rail 1 is known to those skilled in the art and will not be presented in more detail.
  • the circulation rail 1 extends longitudinally along an X axis, laterally along a Y axis and vertically along a Z axis so as to form an orthogonal reference frame (X, Y, Z).
  • the head 11 of a running rail 1 may comprise a damaged zone ZE (impacting or not the running table 14), which affects its behavior.
  • the repair method depends on the size of the damaged zone.
  • the damaged zone ZE is of a large size, greater than a limit threshold for keeping on track known to those skilled in the art
  • the damaged portion of the running rail is removed and replaced by a new longitudinal portion known to those skilled in the art as a “coupon”.
  • the new longitudinal portion must be welded to the existing longitudinal portions of an LRS rail, which increases the number of weld joints and has the aforementioned disadvantages. The performance of the LRS rail is then degraded.
  • this repair method proposes to remove a damaged area ZE located at the head 11 of the running rail 1 (impacting or not the running table 14) by making a recess 2, 3 in the running rail 1. Then, a mold (not shown) is placed around the recess 2, 3 in order to allow the pouring of liquid metal into the mold and, consequently, the filling of the recess 2, 3. The damaged area ZE of the head 11 of the running rail 1 is thus replaced by an area free of defects formed from the cast metal. In other words, the running rail 1 has a “dressing” made from the cast metal.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (7)

  1. Verfahren zum Reparieren einer Eisenbahn-Fahrschiene (1), wobei sich die Fahrschiene (1) längs gemäß einer Achse (X) vertikal gemäß einer Achse (Z) erstreckt, wobei die Fahrschiene (1) einen oberen Teil (11), der geeignet ist, mit einem Rad eines Schienenfahrzeugs im Kontakt zu sein, aufweist, der mindestens eine beschädigte Zone (ZE) aufweist, wobei das Verfahren aufweist:
    - einen Schritt des Entfernens der beschädigten Zone (ZE) derart, dass eine Aussparung (4) im oberen Teil (11) der Fahrschiene (1) gebildet wird, wobei die Aussparung (4) in einer Längsschnittebene (X, Z) ein konkaves Profil (40) aufweist, aufweisend aufeinanderfolgend einen ersten gekrümmten Abschnitt (41), einen Längsabschnitt (42) und einen zweiten gekrümmten Abschnitt (43),
    dadurch gekennzeichnet, dass das Verfahren zusätzlich die folgenden Schritte aufweist:
    - einen Schritt des Platzierens einer Form (5) um die Aussparung (4), und
    - einen Schritt des Füllens der Form (5) mit flüssigem Metall (6) derart, dass die Aussparung (4) aufgefüllt und somit die Fahrschiene (1) repariert wird, wobei der Schritt des Entfernens der beschädigten Zone (ZE) mindestens einen Schritt des Entfernens mittels einer Schablone durch Brennschneiden aufweist.
  2. Verfahren nach Anspruch 1, wobei die Aussparung (4) eine Tiefe (P1) besitzt, die konfiguriert ist, um eine Reststärke des oberen Teils (11) der Fahrschiene (1) beizubehalten, die zwischen 6 und 10 mm beträgt.
  3. Verfahren nach einem der vorangehenden Ansprüche, wobei die Aussparung (4) eine Gesamtlänge (L1) besitzt, die zwischen 126 und 140 mm beträgt, vorzugsweise zirka 130 mm.
  4. Verfahren nach einem der vorangehenden Ansprüche, wobei die Länge (L2) des Längsabschnitts (42) der Aussparung (4) zwischen 50 und 80 mm beträgt.
  5. Verfahren nach einem der vorangehenden Ansprüche, wobei der Krümmungsradius jedes gekrümmten Abschnitts (41, 43) der Aussparung (4) zwischen 40 und 44 mm beträgt, vorzugsweise zirka 42 mm.
  6. Verfahren nach einem der vorangehenden Ansprüche, wobei mindestens ein gekrümmter Abschnitt (41, 43) ein Kreisbogenabschnitt mit konstantem Krümmungsradius ist.
  7. Verfahren nach einem der vorangehenden Ansprüche, wobei der Schritt des Entfernens der beschädigten Zone (ZE) mindestens die drei folgenden Phasen aufweist:
    - eine erste Phase des Entfernens mittels einer ersten Schablone (61), die einen kreisförmigen Schnitt erlaubt, dessen Krümmungsradius (R3) dem des ersten gekrümmten Abschnitts (41) entspricht,
    - eine zweite Phase des Entfernens mittels einer zweiten Schablone (62), die einen kreisförmigen Schnitt erlaubt, dessen Krümmungsradius (R4) dem des zweiten gekrümmten Abschnitts (43) entspricht, und
    - eine dritte Phase des Entfernens derart, dass der Längsabschnitt (42) des Profils der Aussparung (4) gebildet wird.
EP17171995.8A 2016-06-24 2017-05-19 Verfahren zum reparieren einer eisenbahnschiene mithilfe einer reparaturform Active EP3260600B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1655921A FR3053056B1 (fr) 2016-06-24 2016-06-24 Procede de reparation d'un rail ferroviaire au moyen d'un moule de reparation

Publications (3)

Publication Number Publication Date
EP3260600A1 EP3260600A1 (de) 2017-12-27
EP3260600B1 EP3260600B1 (de) 2019-04-10
EP3260600B2 true EP3260600B2 (de) 2025-07-09

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ID=57209524

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EP17171995.8A Active EP3260600B2 (de) 2016-06-24 2017-05-19 Verfahren zum reparieren einer eisenbahnschiene mithilfe einer reparaturform

Country Status (3)

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EP (1) EP3260600B2 (de)
DK (1) DK3260600T4 (de)
FR (1) FR3053056B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD955922S1 (en) * 2018-06-01 2022-06-28 Conductix, Inc. Rail
CN114050422B (zh) * 2021-10-30 2023-07-11 西南电子技术研究所（中国电子科技集团公司第十研究所） 相控阵天线微系统集成封装结构自修复方法
CN114131286B (zh) * 2021-11-25 2022-10-25 中国能源建设集团浙江火电建设有限公司 一种高强钢大直径超长花键轴断裂修复方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1561465A (de) † 1968-02-15 1969-03-28
JP2014104508A (ja) † 2012-11-30 2014-06-09 Railway Technical Research Institute 鉄道用レール傷補修方法及びその装置
EP2808446A1 (de) † 2013-05-27 2014-12-03 System7-Railsupport GmbH Vorrichtung zur spanenden Bearbeitung eines Gleises

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB802256A (en) * 1955-11-05 1958-10-01 Elektro Thermit Gmbh Method of and apparatus for aluminothermically resurfacing faults in wheel-supporting track members
FR2266570A1 (en) * 1974-04-03 1975-10-31 Boutet Camille Aluminothermic welding of railway rails - by spraying coolant onto rails immediately after welding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1561465A (de) † 1968-02-15 1969-03-28
JP2014104508A (ja) † 2012-11-30 2014-06-09 Railway Technical Research Institute 鉄道用レール傷補修方法及びその装置
EP2808446A1 (de) † 2013-05-27 2014-12-03 System7-Railsupport GmbH Vorrichtung zur spanenden Bearbeitung eines Gleises

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"HEAD.WASH.REPAIR". extrait d’article.du bulletin N0283 de ACTIF récupére du site web www.netactif-com.fr/blog/2013/02/09/hwr/ †
"Le.procédé HEAD WASH REPAIR (HRW)". Tristan Bachelard,.ACTIF SUD-EST,.N°283 †
HOW TO SCOPE AND INSTALL A HEAD REPAIR WELD (HRW, 17 June 2014 (2014-06-17), Retrieved from the Internet <URL:https://www.youtube.com/watch?v=F8dmh-xaSyY> †
Manuel "Procedure de soudage aluminothermique"Railtech International Decembre 2014 †

Also Published As

Publication number Publication date
DK3260600T3 (da) 2019-07-22
EP3260600B1 (de) 2019-04-10
FR3053056A1 (fr) 2017-12-29
FR3053056B1 (fr) 2019-08-30
EP3260600A1 (de) 2017-12-27
DK3260600T4 (da) 2025-08-25

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