EP2260149B1 - Système de chauffage d'aiguillage - Google Patents

Système de chauffage d'aiguillage Download PDF

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Publication number
EP2260149B1
EP2260149B1 EP09717022A EP09717022A EP2260149B1 EP 2260149 B1 EP2260149 B1 EP 2260149B1 EP 09717022 A EP09717022 A EP 09717022A EP 09717022 A EP09717022 A EP 09717022A EP 2260149 B1 EP2260149 B1 EP 2260149B1
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EP
European Patent Office
Prior art keywords
rail
heating
thermal system
heat
shaped piece
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.)
Active
Application number
EP09717022A
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German (de)
English (en)
Other versions
EP2260149A1 (fr
Inventor
Michael Funke
Tim Frenzel
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.)
Triple S GmbH
Original Assignee
Triple S GmbH
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Filing date
Publication date
Application filed by Triple S GmbH filed Critical Triple S GmbH
Priority to PL09717022T priority Critical patent/PL2260149T3/pl
Publication of EP2260149A1 publication Critical patent/EP2260149A1/fr
Application granted granted Critical
Publication of EP2260149B1 publication Critical patent/EP2260149B1/fr
Active 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
    • E01B7/00—Switches; Crossings
    • E01B7/24—Heating of switches

Definitions

  • the invention relates to a heating system for heating switch rails, according to the preamble of claim 1.
  • Turnouts are incorporated in track-guided traffic to branch railways, to turn sideways or swerve, to allow overtaking, to bypass sections, etc.
  • moving parts of a switch are moved back and forth, thus initiating a change of direction within tracks.
  • point heaters The effectiveness and cost-effectiveness of point heaters depends largely on the heat transfer between the heating cables and the switch parts to be heated.
  • the heat transfer from the heating cables to the switch parts is unsatisfactory in point heaters in which the radiator are pressed resiliently flat to the corresponding switch parts.
  • the radiators are pipes through which a heated fluid flows.
  • the tubes may be clamped with springs, and between them and the heated surfaces a self-hardening plastic mass enriched with aluminum, iron or similar thermally conductive metal powders is provided in order to achieve a good heat transfer.
  • a heating fluid eg. As linseed oil or glycerin, which has a high evaporation point and a low freezing point, pumped.
  • a heating device with a fastened on a rail side, frontally closed cover box which extends substantially between the rail head and rail foot and are arranged in the heating elements, which are in communication with a heating device provided outside the cover box.
  • the heating elements are formed in the cover by at least two, a liquid heating medium, preferably water, leading channels, which are embedded in a rail profile adapted body of good heat conducting material, preferably aluminum.
  • the cover box is thermally insulated and sealed against the rail head and the rail foot and provided on its inside with a planteisoliermantel.
  • a heated tube for heating the web of a rail of the switch is known, which is acted upon by an externally heated liquid.
  • a heat pipe is known for exploiting the heat capacity of soil, to take advantage of the heat capacity of the soil. It is intended to prevent freezing of switches, hydrants, water pipes and icing of driveways, bridges, runways and roads. How the application is to happen at points, is not revealed.
  • a geothermal system and a method of heating switch rails wherein a heat pipe device comprises a duct whose wall is in heat conductive contact with a rail member and connected to a duct system extending to a predetermined depth in the ground to move from there to draw heat or cold over a circulating liquid.
  • the piping system is equipped with a heat pump and a heat exchanger to transfer heat from the groundwater and increase the temperature of the liquid heating the rail.
  • the channels are made of sheet metal between the stock rail and tongue device mounted on the web of the stock rail and also on the foot of the tongue rail. The sheet metal can be welded to the rail, screwed or held with a clamp.
  • a heat-conducting paste can also be arranged between the channel and the rail, and the channel on the tongue rail can be thermally insulated from the outside air.
  • the invention is based on the problem of optimizing the operation of point heaters by their assembly process and the system of heat transfer from the liquid line to the rail is simplified and made ready for serial production.
  • the solution initially comprises a heating system for heating switch rails and switch parts, in which a heating line through which liquid flows has at least one wall in heat-conducting contact with a rail part and is connected to a line system.
  • This heat which is passed through a heat exchanger in a separate circuit, usually via a heat pump, and heated to 40 ° C - 80 ° C, is then fed to the switch.
  • geothermal heat can be used preferably.
  • Other economically interesting sources are groundwater, wastewater, surface water, warm air from rooms or plants with process heat, district heating, solar energy and the like.
  • At least one track rail, a tongue device should be designed such that a metallic fitting is contacted to the web on the outside and at least one receptacle for a heating line to be clamped is arranged on the side facing away from the web.
  • this fitting can also be used by both jaw rails both in the straight stock rail and in the curved stock rail.
  • the metallic fitting according to an embodiment of the invention has two receptacles for the flow or return of the heating cable, which are clamped there. This is particularly advantageous if the heating cable consists of round metal or plastic pipes, which are clamped in the appropriate receiving device.
  • the tongue rail can not be provided to the chamber closure with such a device, since in this part of the wheel flange of a wheel of the overrolling train could damage the molding. Therefore, the tongue rail is equipped with such a shaped piece only at a distance from the start of the switch, especially in the area in which the tongue rail has clearly formed a web.
  • the fitting may be made of a thermally conductive metal, preferably of aluminum, and preferably also of diecast, i. be designed as such part.
  • Aluminum is known to have a high thermal conductivity and can be formed in a few seconds in die casting, so that it is suitable as a series part for the different switch parts.
  • this fitting together with flow and return of the heating cable can be covered from the outside with insulating material.
  • the system should first be filled with foam and then a cover made of rubber-like material, for. As a recycled material received. So that the fitting or the heating cables and the fitting is thermally insulated from the outside.
  • the foot of the stock rail can be equipped with a prefabricated part in which such a rubbery material is shaped so that it is pushed over the rail and itself anchored by correspondingly curved rubber flanks, while the interior of the U-shaped rubber part is filled with rigid foam, so that the rail foot ultimately receives a prefabricated and in situ placeable rail foot insulation.
  • the tongue is not suitable for isolating your foot, as it has to be movable on the sliding chairs or wheelchairs.
  • a tongue device consists of a straight stock rail 1 for the straight running traffic and a curved stock rail 11 for the bending traffic. These two jaw rails 1, 11 is then associated with a curved tongue 2 and a straight tongue 12 and the tongues 2, 12 can be moved to the rib and Gleitstuhlplatten 3, which are firmly anchored on the points sleepers 4, rolling or sliding. In their final position, the tongues 2, 12 are locked by the chamber tip closure 5. Both the straight and the curved tongue 2, 12 have in the area of the Kammerspitzenver gleiches 5 only a pronounced foot, but no pronounced bridge or full rail head, since the transition of the wheel with the wheel flanges to the inner track should be made as continuous as possible. At some distance from the point beginning WA then the tongue 2, 12 forms a bridge and a rail head and then carries the entire load of the rim on its road.
  • the straight stock rail 1 and the curved stock rail 11 are provided on the outside with a heater, shown below using the example of a low-temperature heating supplied with geothermal energy, in particular in the area designated here by 7.
  • the curved tongue 2 and the straight tongue 12 should also be equipped with a heating at the web, at least in the region designated by 8, wherein the region 8 defines a region on the tongue rail 2, 12, in which the tongue rail 2, 12 already more pronounced foot-bridge-head formation has.
  • FIG. 2 shows the scheme of geothermal energy at the switch 6 with the geothermal system to be described later, here, for example, well pipes or grounded pipes in loops as a heat source 25.
  • a vertical heat exchanger for.
  • the liquid is heated in the groundwater to 5 ° C to 10 ° C and the heat pump 20, which could also be operated with gas, then increases the temperature of the liquid in the heating pipes are fed to the rail.
  • the circuit in the heat pump 20 comprises, as is known, an evaporator 21, a compressor 22, a condenser 23 'and an expansion valve 24'.
  • Figures 3 . 4 show a configuration of the geothermal system on a stock rail.
  • a stock rail is asymmetrical in its head 41 designed.
  • the rail head On the right side of the image, the rail head is provided with a flank 45 to which a correspondingly shaped tongue can rest.
  • the wheel flange of the wheel of a train On this side, the wheel flange of the wheel of a train is running.
  • the broad head with the roadway on it goes into the narrow web 42 and finally into the foot 43.
  • a fitting 30 preferably made of aluminum, the web 42 and parts of the rail foot 43 and rail head 41st contacted and held there first by means of a bonding heat transfer paste, at least during assembly.
  • the fitting 30 has two openings 31, 32, which are adapted to receive the supply line 24 and the return line 23 by the lines are clamped in this region of the molding 30.
  • an insulating foam 39 preferably by a rigid foam, has been isolated after the heating cables are locked in the fitting 30.
  • the fitting may preferably also have ribs or lugs 33 and 34, so that the insulating foam 35 can be shaped well and these edges 33, 34 then ultimately for the application of a rubber cover layer 36, which is made of plastic granules or recycled rubber.
  • the attachment 44 is provided on a sub-swelling, not shown, cheek rails 1 then by means of a clamping profile 37 which engages under the rail 43, so that the rubber cover layer 38 is held on the rail 43 and on the stock rail 1.
  • This attachment can also be done differently, in which z. B. the rail mounting 44 is equipped with a corresponding fitting that the rubber granules supported or the granules is adhered to the ribs 33 and 34 of the fitting.
  • the insulation 35 is optionally made in situ on the web 42, while it is preferably delivered prefabricated for the rail foot 43.
  • the stock rail 1 is shown in the situation opposite a tongue rail 47, which is held on a sliding chair 46 movable towards the stock rail 1.
  • the stock rail 1 can - at least in the Thresholds - be provided with a rail foot insulation, consisting of an insulating foam 39 and an elastic rubber cover shell 38, which surrounds the insulation resiliently 37 on the rail foot 43 or on the outside of the stock rail 1.
  • a rail foot insulation consisting of an insulating foam 39 and an elastic rubber cover shell 38, which surrounds the insulation resiliently 37 on the rail foot 43 or on the outside of the stock rail 1.
  • Such rail foot insulation can preferably be prefabricated separately in a factory.
  • FIG. 5 shows a tongue rail 2, 47 'in a portion of the turnout (WA) is slightly further away.
  • a shaped piece 30 ' is arranged in the web area of the tongue rail 47', the shaped piece being supported by lugs 33 'on the rail head 41' and with the nose 34 'on the rail foot 43'.
  • the bends of the lugs 33 ', 34' also serve to limit the space for the introduction of the insulating foam 35 'and the placement of the rubber cover 36'.
  • the system can be held by a clamping profile 37 'or glued using a thermally conductive paste in the rail chamber between the head and foot.
  • FIG. 6 shows again the situation according to FIG. 4 with the rail foot insulation 38, 39 for the stock rail 1 in an individual view.
  • the rubber 38 has been designed so that it serves both as an open pan for receiving the Isolierschaumes 39 and with the upstanding ribs engage around the rail 43 and fasten it there by clamping.
  • FIG. 7 shows a side view of a supplement of the invention in the marked area of the switch lock, a shutter heating.
  • This is a "lying radiator” 30 ', a fitting with clamped heating loop with flow and return 23, 24, which keeps the closure areas ice-free.
  • insulations 36, 38 are held with resilient fasteners 37. Fittings 30 'with heaters rest on further insulation 38'.
  • the system according to the invention is to ensure ice and snow clearance by radiation to the moving side of the switch. Since the switch is movable in the horizontal axis of the tongue, it is clear that it is unnecessary to heat the area in the threshold compartment under the rail foot of the stock rail. For this purpose, an insulation is used, which should just limit these heat losses.
  • the individual components are fastened to the rail by means of a spring steel clamping profile. Due to the continuity of the fitting (the length is adapted to the respective type of turnout) a great stability and the minimization of the parts are given.
  • the heating cable is designed as a U-loop, flow and return, and if possible in one piece. It will be in the appropriate length cut off and connected with crimp connections to the supply and return of the heating system; a loop is laid transversely in the lock compartment and optionally also guided along the base plates of the sliding chairs. As a result, the possible leaks of the heating cable are moved to an area that is accessible and controllable at all times.
  • the fittings just described can also be mounted on the rail without pipes; In order to be able to cover the area adjoining the switch with insulating material in situ, they serve as a support. Due to the uniformity of the rail, the fitting can be used for both sides of the rail.
  • the associated partly Gleitieneplatte is partially loaded in the cut of snow and ice.
  • the lower edge of the rail can freeze on the Gleitstuhlplatte 81.
  • Gleitieneplatten example of the plate SRG 6 Guide Bahn AG from a base plate 80 and arranged thereon Gleitieneplatte 81. This situation is over Fig. 8 seen.
  • the web on the rail corresponds to the constriction between the base plate 80 and the Gleitstuhlplatte here welded 81.
  • the constriction can be closed by plates 82; through the shown formed cavity 83, the heated by geothermal heating medium can be passed.
  • the cavities 83 are connected by a line, not shown. This line is preferably also thermally insulated and there coupled to the heating system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Central Heating Systems (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Control Of Resistance Heating (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Claims (12)

  1. Système thermique pour le chauffage de rails d'aiguillage, les rails d'aiguillage comprenant des contraiguilles et rails de languettes commençant au début de l'aiguillage (WA) et comportant une tête, une traverse et un patin, ce système comportant une conduite chauffante dans laquelle passe du liquide et qui peut être amenée en contact conducteur thermique avec une partie du rail par au moins une paroi et est raccordée à un système de canalisation qui reçoit de la chaleur d'une source de chaleur via un liquide en circulation, caractérisé en ce qu'il est prévu une pièce métallique moulée (30) qui peut être posée sur l'extérieur de la traverse (42) depuis le début de l'aiguillage (WA) par au moins un rail (1, 2, 11, 12) au niveau du dispositif à languette et qui, sur sa face détournée de la traverse (42) présente au moins un support (31, 32) pour une conduite chauffante blocable composée d'une canalisation montante (24) et d'une canalisation descendante (23).
  2. Système thermique selon la revendication 1, caractérisé en ce que la pièce métallique moulée (30) peut être posée sur la face détournée de la contraiguille (1, 11) du rail de languette (2, 12) et/ou la contraiguille (1, 11) peut être posée sur l'extérieur à distance du début de l'aiguillage (WA).
  3. Système thermique selon la revendication 1 ou 2, caractérisé en ce que la pièce moulée (30) présente respectivement deux supports (31, 32) pour la canalisation montante (24) et la canalisation descendante (23) de la conduite chauffante.
  4. Système thermique selon une des revendications précédentes, caractérisé en ce que la pièce moulée (30) est composée d'un métal conducteur thermique, de préférence de l'aluminium.
  5. Système thermique selon une des revendications précédentes, caractérisé en ce que la pièce moulée (30) est réalisée sous forme de pièce coulée en continu.
  6. Système thermique selon une des revendications précédentes, caractérisé en ce que la pièce moulée (30) est reliée à la traverse (42) par une matière conductrice thermique ayant des propriétés d'adhérence.
  7. Système thermique selon une des revendications précédentes, caractérisé en ce que la pièce moulée (30), y compris la canalisation montante (24) et la canalisation descendante (23) de la conduite chauffante, est recouverte in situ d'isolant par l'extérieur (35, 36).
  8. Système thermique selon la revendication 7, caractérisé en ce qu'il est prévu un isolant thermique technique pour le patin (43) de la contraiguille (1, 11).
  9. Système thermique selon la revendication 7 ou 8, caractérisé en ce qu'il est prévu comme isolant une couche extérieure de type caoutchouc (36, 38) dans laquelle de la mousse dure (35, 39) est incorporée.
  10. Système thermique selon une des revendications 7 à 9, caractérisé en ce que la mousse dure (35) peut être incorporée in situ au niveau des canalisations montante et descendante (23, 24).
  11. Système thermique selon une des revendications 7 à 10, caractérisé en ce que l'isolant (38, 39) pour le patin de rail (43) est préfabriqué séparément.
  12. Système thermique selon une ou plusieurs des revendications précédentes, comportant des coussinets de glissement (46) faisant partie de l'aiguillage (6) et faits d'une plaque de base (80) et d'une plaque de coussinet de glissement dimensionnée (81) pour l'appui du rail de languette mobile (2, 12), caractérisé en ce que la taille (83) du coussinet de glissement (46) est prévue pour permettre la fermeture par une tôle (82) et que les tailles parallèles voisines (83) d'un coussinet de glissement (46) peuvent être couplées ensemble par des conduites chauffantes (23, 24) pour le chauffage du coussinet de glissement.
EP09717022A 2008-03-07 2009-03-09 Système de chauffage d'aiguillage Active EP2260149B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09717022T PL2260149T3 (pl) 2008-03-07 2009-03-09 System ogrzewania zwrotnic

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008013236 2008-03-07
PCT/EP2009/052703 WO2009109664A1 (fr) 2008-03-07 2009-03-09 Système de chauffage d'aiguillage

Publications (2)

Publication Number Publication Date
EP2260149A1 EP2260149A1 (fr) 2010-12-15
EP2260149B1 true EP2260149B1 (fr) 2012-03-21

Family

ID=40848617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09717022A Active EP2260149B1 (fr) 2008-03-07 2009-03-09 Système de chauffage d'aiguillage

Country Status (7)

Country Link
EP (1) EP2260149B1 (fr)
KR (1) KR20110009102A (fr)
AT (1) ATE550492T1 (fr)
DK (1) DK2260149T3 (fr)
ES (1) ES2384602T3 (fr)
PL (1) PL2260149T3 (fr)
WO (1) WO2009109664A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013016232A1 (de) 2013-10-01 2015-04-02 Ean Elektroschaltanlagen Gmbh Temperiereinheit für Fahrwegelemente und System zum Temperieren von Fahrwegelementen
WO2023285508A1 (fr) 2021-07-14 2023-01-19 Bane Nor Sf Système pour chauffer et/ou refroidir une voie ferrée

Families Citing this family (13)

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Publication number Priority date Publication date Assignee Title
NL1036128C (nl) * 2008-10-29 2010-05-03 Heatpoint B V Verwarming voor spoorwegwissels.
DE102010029854A1 (de) * 2009-06-11 2010-12-16 Balfour Beatty Plc Anordnung zur Beheizung von Schienenweichen
NL2004480C2 (nl) 2010-03-17 2011-09-20 Volkerrail Nederland B V Verwarmings-/koelelement voor een spoorwegwissel.
DE102011100079A1 (de) 2011-04-29 2012-10-31 Ean Elektroschaltanlagen Gmbh Wärmedämmung für Eisenbahnschienen
PL2756131T3 (pl) * 2011-09-13 2018-05-30 Triples-Systeme Gmbh System ogrzewania rozjazdów
DE202012103257U1 (de) * 2012-08-28 2013-12-02 Triple S-Gmbh Heizeinrichtung zum Beheizen eines Schienenfußes
DE202012103258U1 (de) 2012-08-28 2013-12-02 Triple S-Gmbh Wärmeübertrageranordnung für ein Wärmesystem zur Beheizung einer Schienenweiche
DE202012103256U1 (de) * 2012-08-28 2013-12-02 Triple S-Gmbh Gleitstuhl für eine Schienenweiche
DE102012108585A1 (de) * 2012-09-13 2014-05-28 Pintsch Aben geotherm GmbH Wärmeübertrager für Weichen und Weichenheizeinrichtung
DE102012108586B3 (de) * 2012-09-13 2014-02-13 Pintsch Aben geotherm GmbH Wärmeübertrager für Schienen und Weichen und Schienenheizeinrichtung
DE102013226740A1 (de) * 2013-12-19 2015-06-25 Mahle International Gmbh Schienen-/Weichenheizung
CH713557B1 (de) * 2017-03-10 2020-09-30 Kibag Bauleistungen Ag Mobile Weichenheizung.
CN108847649A (zh) * 2018-07-20 2018-11-20 中铁建电气化局集团康远新材料有限公司 一种用于侧向受流接触线的除冰装置及方法

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DE1277290B (de) 1966-05-06 1968-09-12 Viktor Thiel Weichenheizung
FR2244053A1 (en) 1973-09-14 1975-04-11 Stecma Method of heating railway points - uses electrically heated oil in pipes along the sides of the rails
DE3037721A1 (de) 1980-10-06 1982-05-13 Oskar Dipl.-Ing. Dr.rer.nat. 8000 München Bschorr Waermerohr zur ausnuetzung der waermekapazitaet von erdreich
US4429845A (en) * 1982-04-26 1984-02-07 Emerson Electric Co. Rail track heaters
IT8604823A0 (it) 1986-05-27 1986-05-27 Plattner Franz Impianto di riscaldamento per il disgelo di scambi per ferrovia a conduzione del calore tramite liquido caldo.
NL1018204C2 (nl) 2001-06-01 2002-12-11 Holland Railconsult B V Werkwijze en systeem voor het verwarmen en/of koelen van rails en railelement te gebruiken daarbij.
EP1645688A3 (fr) 2004-10-06 2006-11-02 Eugen Scharrenbroich Dispositif de chauffement pour aiguillage
DE202005021255U1 (de) 2004-10-06 2007-06-21 Scharrenbroich, Eugen Heizvorrichtung für eine Schienenweiche

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013016232A1 (de) 2013-10-01 2015-04-02 Ean Elektroschaltanlagen Gmbh Temperiereinheit für Fahrwegelemente und System zum Temperieren von Fahrwegelementen
WO2015048939A1 (fr) 2013-10-01 2015-04-09 Ean Elektroschaltanlagen Gmbh Dispositif de chauffage ou de refroidissement pour un profil de rail, actionné au moyen d'une pompe à chaleur
WO2023285508A1 (fr) 2021-07-14 2023-01-19 Bane Nor Sf Système pour chauffer et/ou refroidir une voie ferrée

Also Published As

Publication number Publication date
EP2260149A1 (fr) 2010-12-15
DK2260149T3 (da) 2012-07-09
PL2260149T3 (pl) 2012-08-31
ES2384602T3 (es) 2012-07-09
ATE550492T1 (de) 2012-04-15
WO2009109664A1 (fr) 2009-09-11
KR20110009102A (ko) 2011-01-27

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