EP0838552A1 - Gewöhnliche kreuzung einer beweglichen zunge einer eisenbahnschiene - Google Patents

Gewöhnliche kreuzung einer beweglichen zunge einer eisenbahnschiene Download PDF

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Publication number
EP0838552A1
EP0838552A1 EP97919409A EP97919409A EP0838552A1 EP 0838552 A1 EP0838552 A1 EP 0838552A1 EP 97919409 A EP97919409 A EP 97919409A EP 97919409 A EP97919409 A EP 97919409A EP 0838552 A1 EP0838552 A1 EP 0838552A1
Authority
EP
European Patent Office
Prior art keywords
rail
tongue
parts
rails
fixed element
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
EP97919409A
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English (en)
French (fr)
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EP0838552B1 (de
Inventor
José Antonio BARRENCUA LEON
Juan Carlos Sanchez Jorrin
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.)
JEZ Sistemas Ferroviarios SL
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JEZ Sistemas Ferroviarios SL
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Application filed by JEZ Sistemas Ferroviarios SL filed Critical JEZ Sistemas Ferroviarios SL
Publication of EP0838552A1 publication Critical patent/EP0838552A1/de
Application granted granted 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
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E01B7/14—Frogs with movable parts

Definitions

  • the object of this invention refers, as its title indicates, to an acute crossing of tongue for railways, which can be incorporated to a continuous ribbon-rail, comprising a fixed element and a movable element, presenting important advantages over the methods currently used for this purpose.
  • the first known type of acute crossing of tongue includes those crossings carried out entirely assembled, where the housing or casing, that is, the fixed element, is made of rails, preferably joined by brackets and bolts and nuts to a plate assembly, in turn joined to the sleeper, and the movable element is made of machined carbon steel rails or forged elements of the same material.
  • the housing or casing that is, the fixed element
  • the movable element is made of machined carbon steel rails or forged elements of the same material.
  • different thermal hardening treatments have been proposed in said areas.
  • the second known type of acute crossing of tongue forming railways groups those crossings in which the fixed element, in its front part, is a cast mono-block, preferably of austenitic manganese steel, and the moving element is entirely made of machined rails.
  • the crossings of the second described type represent an improved design with respect to the crossings of the first type, on eliminating the assembled fixed element and replacing the latter by a cast mono-block housing, preferably of austenitic manganese steel and making the movable element of a machined rail.
  • the bolted unions are eliminated in the fixed element area subjected to passage of the wheel, with the consequent saving in maintenance costs.
  • the beneficial properties of said material with respect to shocks and wear are taken advantage of.
  • said material When implemented, said material has a moderate natural surface hardness (approximately 200 HBN), so that in the first moments of its life it undergoes plastic deformations due to the passage of train wheels, provoking the typical lips and burrs on the edges of the rolling platforms.
  • said phenomenon causes a maintenance efford consisting of eliminating burrs by grinding when the crossing has achieved its superficial regime hardness (approximately 350 HBN-400 HBN).
  • this invention refers to an acute crossing of tongue suitable for being coupled to entrance and exit rails, consisting of a fixed element and another movable element, in which the former consists of a first part made of cast manganese steel and of a second part made in rails, preferably formed by joining two rails to said first part, which are appropriate to act as anchoring elements for accessories such as buffers, buffer-blocks, ribbed plates and expansion joint and whose movable element consists of an element made of cast manganese steel and by two rail parts joined to the former, one of said rails being joined to said part made of rails of said fixed element by means of bolted buffer-blocks and joining the other of said rails to the expansion joint, this latter part of the longitudinal rail sliding in the expansion joint on the side of the diverted line suitable to prevent the assembly formed by said moving element from forming a non-deformable triangle.
  • the acute crossing of tongue object of this invention, has sliding means for the movable element inside the fixed element, as well as means for coupling
  • Said rail parts, both the fixed element and the moving element, which are joined to the respective parts made of molded manganese steel, as well as the union of the fixed molded part with the entrance rails, is made by means of a welding procedure, preferably by sparking.
  • the union or unions of the molded part of the moving element with the rail parts of said moving element are reinforced, preferably by means of safety flanges.
  • both of the moving and fixed elements can be made of thermally treated carbon or low alloy steel, and joined to the adjacent rails, that is, both parts of both elements made in rail, and the entrance rails, by means of conventional welding procedures.
  • said parts made of cast manganese steel are preferably hardened by explosion in the areas subjected to wear and/or deformation by the train wheels, as well as in the areas of mutual coupling between said parts, up to a hardness of approximately 350 HBN.
  • the advantages contributed by the acute crossing of tongue for railways, object of this invention, in its preferable construction can be easily deduced, in this way constituting as a perfecting of the two main existing types of crossing of tongue.
  • the advantages contributed by using high manganese content austenitic steel in the rolling areas should be mentioned both of the fixed and the movable elements, since it benefits from the own advantages of said material, is a material that can easily be repaired by welding, is resistant to wear and shocks in the most critical crossing areas and one in which the hard layer of the material is regenerated with the passage of the wheels, as compared with materials hardened by thermal treatment, whose hard layer gradually disappears with wear.
  • the use of monolithic parts instead of assembled ones requires less maintenance and involves greater safety.
  • the acute crossing of tongue for railways, object of this invention consists of a fixed element (1) and another movable element (2).
  • the fixed element (1) comprises a first molded part (1A) made of cast manganese steel and a second part made in rails (1B), formed by joining two rails to said first molded part (1A), which are appropriate to act as anchoring elements for accessories such as buffers, buffer-blocks, ribbed plates and expansion joint (3).
  • the moving element (2) consists of a first molded part (2A) of a triangular shape made of cast manganese steel and of two rail parts (2B, 2B'), joined to said molded part (2A) at its solepiece, across one or two of its extensions.
  • One of said rail parts (2B) is joined to said part made in rails (1B) of said fixed element (1) by means of bolted buffer-blocks (4A, 4B, 4C).
  • the other of said rail parts (2B') of the moving element (2) slides longitudinally on the expansion joint (3) formed by the rail part (2B') and the ribbon rail (5), with the purpose of preventing the triangle formed by said moving element (2) joined to the buffer-blocks (4A, 4B, 4C) comprising a non-deformable triangle on making its lateral movement.
  • Said parts of rail (2B, 2B') of the moving element (2) may be joined to the molded part (2A) by means of two independent joints, as shown in figures 1 and 2 or by means of a single double joint of both parts of the rail (2B, 2B') with said molded part (2A).
  • Figures 1 and 2 show the movable element (2) coupled on the fixed element (1), opening the way to circulation along the direct line and the diverted line, respectively.
  • the transfer of rolling between the fixed element (1) and the moving element (2) is performed in the respective parts made of molded manganese steel (1A, 2A), taking advantage of the excellent shock and wear characteristics of said material, since in this area shock and wear loads are produced, especially when worn wheel sets circulate as double flange.
  • the molded part (1A) of the fixed element (1) consists of an extended and hollow housing, within which the molded part (2A) of the moving element (2) slides (see figures 3 and 4), being joined on one side to the entrance rails (6) by means of a spark welding procedure and, on the other, to the part made in rails (1B) of the own fixed element (1), the latter being a support part of other items, such as buffers, buffer-blocks, etc.
  • the rail part (2B') and the ribbon rail (5) are directly welded to the adjacent rails by means of a procedure such as aluminothermy. Since the manganese steel making up the molded part (1A) of the fixed element (1) and the carbon steel of the adjacent rails (6) cannot be welded in a conventional way, it is necessary to use a special welding procedure, preferably by sparking, for the union of the former.
  • Said special welding procedure preferably by sparking, will also be used for the union or unions (7) of the molded part (2A) with the rail parts (2B, 2B') of the moving element (2).
  • Figures 3, 4 and 5 show different sections of the crossing of tongue for railways represented in figure 1. More specifically, figure 3 (section AB) corresponds to a coupling section of the molded manganese steel parts (1A, 2A) in the position of the movable element (2) shown in figure 1. Of course, the other position of the movable element (2) will be symmetrical to that shown in said figure 3.
  • Figure 4 (section CD) corresponds to a section in the area where there is no direct coupling between the fixed element (1) and the movable element (2).
  • figure 5 (section EF) corresponds to a crossing section representing the embedded area between the fixed element (1) and the movable element (2).
  • the molded parts (1A, 2A) made of cast manganese steel are preferably hardened by explosion in the areas subjected to wear and/or deformation by the train wheels, as well as in the areas of mutual coupling between said parts, up to a hardness of at least 350 HBN approximately.
  • Figures 6 and 7 show by means of a grid and a dotted dashed line, respectively, different views of the areas to be hardened by explosion of the molded part (1A) of the fixed element (1) corresponding to the rolling platform and the coupling area between the former and the molded part (2A) of the movable element (2).
  • figures 8, 9 and 10 show by means of a grid and a dotted dashed line, respectively, different views of the areas to be hardened by explosion of the molded part (2A) of the movable element (2) coinciding with the rolling platform and with the coupling area between the former and the molded part (1A) of the fixed element (1).
  • the overall combination of the invention will adjust to the different gradients the rolling elements may take, whether 1:20, 1:30, 1:40 and even 1: ⁇ .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP97919409A 1996-04-29 1997-04-24 Weiche für eisenbahnschienen Expired - Lifetime EP0838552B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES9600974 1996-04-29
ES9600974A ES2137807B1 (es) 1996-04-29 1996-04-29 Cruzamiento agudo de punta movil para ferrocarril.
PCT/ES1997/000104 WO1997041305A1 (es) 1996-04-29 1997-04-24 Cruzamiento agudo de punta movil para ferrocarril

Publications (2)

Publication Number Publication Date
EP0838552A1 true EP0838552A1 (de) 1998-04-29
EP0838552B1 EP0838552B1 (de) 2003-05-28

Family

ID=8294663

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97919409A Expired - Lifetime EP0838552B1 (de) 1996-04-29 1997-04-24 Weiche für eisenbahnschienen

Country Status (4)

Country Link
EP (1) EP0838552B1 (de)
ES (2) ES2137807B1 (de)
PT (1) PT838552E (de)
WO (1) WO1997041305A1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2329922A (en) * 1997-05-20 1999-04-07 Bicc Plc Railway turnout
EP1020562A1 (de) * 1999-01-15 2000-07-19 Comagep Herzstück mit beweglicher Spitze und dessen Herstellungsverfahren
KR100395576B1 (ko) * 2000-09-18 2003-08-21 박장묵 철도용 망간크로싱의 육성재생 방법/특결
EP1555347A1 (de) * 2004-01-16 2005-07-20 Jez Sistemas Ferroviarios, S.l. Eisenbahnweiche mit flexibler Zunge
WO2009043070A1 (de) * 2007-10-05 2009-04-09 Vae Eisenbahnsysteme Gmbh Verfahren zum verbinden eines manganhartstahlgussteils mit einer regelschiene sowie zwischenstück für die verwendung in einem derartigen verfahren
EP2487293A1 (de) 2011-02-08 2012-08-15 Jez Sistemas Ferroviarios, S.l. Spitzes bewegliches Weichenherzstück für Eisenbahnen
US8418970B2 (en) 2008-02-11 2013-04-16 Progress Rail Services Corp Swing nose crossing
WO2013190206A1 (fr) * 2012-06-21 2013-12-27 Vossloh Cogifer (Société Anonyme) Jonction d'elements de voie ferroviaire en acier manganese par soudure directe
EP3696285A1 (de) * 2019-02-15 2020-08-19 Progress Rail Services UK Limited Verbesserter eisenbahnübergang aus stahl

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19758042A1 (de) * 1997-12-29 1999-07-15 Duerkopp Adler Ag Kreuzung für einen Hängeförderer
ES2265237B1 (es) * 2004-09-08 2007-12-16 Felguera Melt, S.A. Dispositivo para la disminucion de los esfuerzos de maniobra en los cruzamientos ferroviarios de punta movil.
DE102008023038B3 (de) * 2008-05-09 2009-06-25 Db Netz Ag Verfahren zum Herstellen eines Herzstücks mit einem Spitzenblock und zwei an den Spitzenblock anschließenden, zu einem Mittelblock gefügten Anschluss-Schienenabschnitten, sowie Herzstück
ES2364827B1 (es) * 2010-01-25 2012-08-03 Amurrio Ferrocarril Y Equipos, S.A. Estructura de cruzamiento tranviario de punta movil
ES2399735B1 (es) * 2010-06-15 2013-11-13 Jez Sistemas Ferroviarios, S.L. Corazon agudo de punta movil para aparatos de via de carril garganta
DE102021106050A1 (de) * 2021-03-12 2022-09-15 Voestalpine Railway Systems GmbH Herzstück

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT312649B (de) * 1971-03-27 1974-01-10 Krupp Ag Huettenwerke Zungenweiche mit verschwenkbarem Herzstück
FR2142574B1 (de) * 1971-06-21 1973-05-25 Paris & Outreau Acieries
DE3339442C1 (de) * 1983-10-29 1985-05-02 Schreck-Mieves GmbH, 4600 Dortmund Herzstueck fuer Weichen oder Kreuzungen und Verfahren zur Herstellung eines solchen Herzstueckes
FR2640294B1 (fr) * 1988-12-12 1991-03-15 Cogifer Cie Gle Installat Ferr Procede de fabrication d'un coeur de croisement a pointe mobile et coeur de croisement ainsi obtenu
FR2695662B1 (fr) * 1992-09-11 1994-11-18 Cogifer Encastrement de la pointe mobile dans le berceau d'un cÓoeur de croisement incorporé dans les longs rails soudés et procédé de réalisation d'un tel encastrement.
FR2700344B1 (fr) * 1993-01-08 1995-03-31 Cogifer Procédé pour la fabrication d'un élément d'appareil de voie ferroviaire et élément en résultant.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9741305A1 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2329922A (en) * 1997-05-20 1999-04-07 Bicc Plc Railway turnout
EP1020562A1 (de) * 1999-01-15 2000-07-19 Comagep Herzstück mit beweglicher Spitze und dessen Herstellungsverfahren
FR2788535A1 (fr) * 1999-01-15 2000-07-21 Comagep Coeur de croisement a pointe mobile et procede de fabrication d'un tel coeur de croisement
KR100395576B1 (ko) * 2000-09-18 2003-08-21 박장묵 철도용 망간크로싱의 육성재생 방법/특결
EP1555347A1 (de) * 2004-01-16 2005-07-20 Jez Sistemas Ferroviarios, S.l. Eisenbahnweiche mit flexibler Zunge
WO2009043070A1 (de) * 2007-10-05 2009-04-09 Vae Eisenbahnsysteme Gmbh Verfahren zum verbinden eines manganhartstahlgussteils mit einer regelschiene sowie zwischenstück für die verwendung in einem derartigen verfahren
US8418970B2 (en) 2008-02-11 2013-04-16 Progress Rail Services Corp Swing nose crossing
EP2487293A1 (de) 2011-02-08 2012-08-15 Jez Sistemas Ferroviarios, S.l. Spitzes bewegliches Weichenherzstück für Eisenbahnen
WO2013190206A1 (fr) * 2012-06-21 2013-12-27 Vossloh Cogifer (Société Anonyme) Jonction d'elements de voie ferroviaire en acier manganese par soudure directe
FR2992334A1 (fr) * 2012-06-21 2013-12-27 Vossloh Cogifer Jonction d'elements de voie ferroviaire en acier manganese par soudure directe
EP3696285A1 (de) * 2019-02-15 2020-08-19 Progress Rail Services UK Limited Verbesserter eisenbahnübergang aus stahl

Also Published As

Publication number Publication date
EP0838552B1 (de) 2003-05-28
PT838552E (pt) 2003-09-30
ES2208894T3 (es) 2004-06-16
ES2137807A1 (es) 1999-12-16
WO1997041305A1 (es) 1997-11-06
ES2137807B1 (es) 2000-08-16

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