EP0467833A1 - Verfahren zur Neutralisierung von Eisenbahnschienen in situ - Google Patents

Verfahren zur Neutralisierung von Eisenbahnschienen in situ Download PDF

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Publication number
EP0467833A1
EP0467833A1 EP91810530A EP91810530A EP0467833A1 EP 0467833 A1 EP0467833 A1 EP 0467833A1 EP 91810530 A EP91810530 A EP 91810530A EP 91810530 A EP91810530 A EP 91810530A EP 0467833 A1 EP0467833 A1 EP 0467833A1
Authority
EP
European Patent Office
Prior art keywords
heating
rails
temperature
vehicle
inductor
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
EP91810530A
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English (en)
French (fr)
Other versions
EP0467833B1 (de
Inventor
Antoine Pascal Scheuchzer
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.)
Scheuchzer SA
Original Assignee
LES FILS D'AUGUSTE SCHEUCHZER SA
SCHEUCHZER FILS AUGUSTE
Scheuchzer SA
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
Priority claimed from CH186991A external-priority patent/CH685636A5/fr
Application filed by LES FILS D'AUGUSTE SCHEUCHZER SA, SCHEUCHZER FILS AUGUSTE, Scheuchzer SA filed Critical LES FILS D'AUGUSTE SCHEUCHZER SA
Publication of EP0467833A1 publication Critical patent/EP0467833A1/de
Application granted granted Critical
Publication of EP0467833B1 publication Critical patent/EP0467833B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
    • E01B29/17—Lengths of rails assembled into strings, e.g. welded together

Definitions

  • the invention relates to a method and to an installation for neutralizing railway tracks.
  • This device comprises a heating vehicle provided with wheels for rolling on the old rails, at least one heating tunnel which is intended to be crossed by the new rails during the advancement of the vehicle to neutralize them and means for measuring and controlling the temperature of the new rails.
  • the object of the present invention is to create a suitable heating method and installation, efficient and easy to carry out.
  • the distance between the end of the heating zone and the place where the new neutralized rails are fixed on the track is chosen, for a speed of scrolling of the given heating elements, so that the temperature difference between the surface and the core of the new rails does not exceed a determined value and that the temperature of the new rails at the fixing zone corresponds, with given tolerances, to the desired temperature.
  • the heating of the rails is preferably carried out by high frequency induction, but it can also be carried out by electrical resistance or by gas.
  • Figure 1 shows a schematic view of a heating vehicle fitted with two high-temperature heating tunnels frequency allowing the implementation of the method according to the invention.
  • Figure 2 is an enlarged sectional view of the tunnels alone.
  • FIG. 3 is the control block diagram of an installation for high-frequency induction heating according to the invention.
  • Figures 4 and 5 show a second embodiment of a heating vehicle followed by an assembly vehicle for fixing the new neutralized rails.
  • FIGS. 4a and 5a are top views of the track to illustrate the positions of the old rails R1 and of the new rails R2 and their lateral displacement during the substitution, as well as some components of the vehicles.
  • FIG. 6 is an enlarged sectional view of the tunnels alone according to FIG. 4.
  • Figure 7 shows in section, like Figure 6, a variant of the tunnel arrangement.
  • FIG. 8 is the control block diagram of a heating installation adapted to the device according to FIGS. 4 and 5.
  • Vehicle 1 is designed to roll on the old track R1, in the direction of the arrow, to lift the new rails R2 previously deposited along the track and neutralize them by heating immediately before their installation and, simultaneously, to detach the old rails R1 from the way.
  • the flow of operations is carried out as described in the patent application CH 2350/90 of the applicant.
  • the vehicle 1 comprises a body 2 supported by a front bogie 3 with two axles 3a and by a rear bogie 4 also with two axles 4a. Between these axles 3a, 4a are installed the two heating tunnels 5, 5 ′, one for each row of new rails R2 ( Figure 2).
  • these two tunnels 5, 5 ′ are mounted in common frames 6 arranged above the center of the track and suspended below the body 2. They are formed by two side walls 6a separated by a common central wall 6b. The three walls of the frame meet at their upper part and, at determined intervals, are extended by uprights 6c suspended from the body 2, such that the location of the tunnels is centered relative to the body 2 and therefore relative to the way.
  • the rails to be neutralized R2 are heated by high frequency induction; for this purpose, the rails R2 pass inside inductors in the form of coils 12 to a turn connected to inverters, and move on guide rollers 7 fixed in the walls 6a, 6b of the tunnels 5, 5 ′ between the inductors.
  • the arrangement of these tunnels 5, 5 ′ is such that the path of the rails R2 to be neutralized is located below the axles 3a, 4a, at a distance from the ballast of between 20 to 40 cm, preferably between 25 and 30 cm. Thanks to this arrangement, it is necessary to avoid having to lift the rails very high and especially above the axles, which facilitates the work and the guiding of the rails.
  • retractable nacelles 9, 10 suspended from the vehicle body 2 by jacks 9a, 10a and on which there are automatic or manual stain removal stations , for example automatic screwdrivers 9b, 10b and wheelchairs 9c, 10c for workers who remove the fasteners or release the fastenings of the old rails to the sleepers.
  • gripping means 8 of the new rails R2 previously disposed in the center of the track or on either side of the track. These gripping means a make it possible to grasp and introduce these rails R2 into the opening before the heating tunnels 5, 5 ′.
  • rail clamps 11 which grip the new heated rails R2 at the exit of the tunnels 5, 5 ′ and guide them on the track where, after the old rails R1 have been removed, they will be placed and then fixed on the sleepers by known means.
  • This heating installation mounted on the heating vehicle 1, comprises a heating zone formed by several inductors distributed in each tunnel 5, 5 ′.
  • inductors 12, 13, 14, arranged one after the other which are formed, in a manner known per se, by a coil with a coil made of hollow copper tube, with a length of 1m each.
  • inductor modules of similar construction prefabricated, which makes it possible to compose heating zones of desired length by varying the number of these modules as required.
  • the inductors 12, 13, 14 are supplied by two inverters 15, 16 with a power of 100 KW respectively 200 KW and 1000 Hz.
  • the inductor 12 is connected to the inverter 15 of 100 KW and the inductors 13, 14 are connected to the 200 KW inverter 16, which allows flexibility in temperature regulation.
  • a heating installation is provided with three inductor modules in each of the tunnels 5, 5 ′ illustrated in FIGS. 1 and 2, and crossed as described previously by each row of new rails R2.
  • the inverters 15, 16 are connected to an electronic control unit 17.
  • In front of the inductors 12, 13, 14 are installed in each tunnel 5, 5 ′ of devices 18 for measuring the running speed of the rails R2 relative to the vehicle 1 and sensors 19 for measuring the temperature of the rails before their exposure to heating.
  • the fixing zone ZF of the new rails R2 has been indicated. Over this distance L are installed, at regular intervals, several sensors 20 for measuring the temperature of the rails which capture the slow cooling of the rail which occurs.
  • the rear end of the last inductor 14 coincides with the rear end of the tunnel 5, 5 ′.
  • this unit 17 also receives external information by an input unit 21 and set values by an input unit 22 via an operator control interface 23 adapted to personnel.
  • the external information includes all the essential external factors, namely the profile of the rails, the type of steel from which the rails are made, the outside temperature and, if applicable, other factors which could influence the cooling speed of the rails (rain, wind, etc.)
  • a device for printing protocols 24 and an optical unit 25 for viewing the temperature profile and the state of the process.
  • the electronic control unit 17 includes the processing of temperature measurements, the regulation of the heating stations, the management and the control of the process as a function of the values of the temperature of the rails before their exposure to heating, of the running speed of the heating elements with respect to the rails, from the value of the change in temperature of the rails after heating up to the time of their attachment to the track.
  • the distance L is important and will be chosen in such a way that, for a given speed of travel of the heating elements, the temperature difference between the surface and the core of the new rails does not exceed a determined value and that the temperature of the new rails at the ZF fixing zone corresponds, with given tolerances, to the desired temperature.
  • the neutralization temperature during fixing should be 25 ° C ⁇ 0.5 ° C.
  • Figures 4 and 5 show, as a preferred example, a second embodiment of a heating vehicle 1 having shorter heating tunnels 5a, 5b, followed by a mounting vehicle 2 of the new rails.
  • the parts of the heating vehicle 1 which correspond to the parts of the first example have the same reference signs. In this case, the heating tunnels are shorter.
  • the vehicle 1 (FIG. 4) fitted with a front bogie 3 and a rear bogie 4 rolls on the old rails R1 and comprises a box 2 comprising a cabin 2a, compartments 2b for inverters which supply the inductors of each tunnel high frequency heating, compartments 2c for the refrigeration units which cool the inductors, a tank 2d for the fuel oil, generator groups 2e which supply the inverters, as well as groups of capacitors 2f assigned to the inductors.
  • a box 2 comprising a cabin 2a, compartments 2b for inverters which supply the inductors of each tunnel high frequency heating, compartments 2c for the refrigeration units which cool the inductors, a tank 2d for the fuel oil, generator groups 2e which supply the inverters, as well as groups of capacitors 2f assigned to the inductors.
  • the new R2 rails are gripped at the head of the vehicle 1 by gripping means 8 and placed on the guide rollers 28 fixed to the chassis of the vehicle and distributed along it so that the new R2 rails can pass under the axles 3a, 4a and between the wheels of the bogies 3 and 4.
  • the heating tunnels are installed in the area of the rear end of the vehicle 1 in the middle of the track. In the case under consideration, they are divided into two parts 5a, 5b fixed to the chassis 29, one located before and the other after the rear bogie 4.
  • Part 5a comprises two inductor units each having a length of 1 m, and therefore is only 2 m long, while part 5b only has one inductor which is 1 m long.
  • Each inductor 12 has the form of a coil with a turn and is connected to a group of capacitors, the oscillating circuit formed by this coil and these capacitors being supplied by inverters. Due to the short length of the tunnel, the R2 rails do not need to be guided inside the tunnel, but can pass it freely.
  • each part of the tunnel comprises two sections placed side by side, one for each row of rails, as shown in FIG. 6 for the parts 5a, 5a ′, provided with inductors 12 surrounding the two rails R2.
  • each part of the tunnels can be provided with rollers 7a which rest and roll on the rails R2 passing this part, these rollers being installed before and after the inductors, respectively between the inductors.
  • the parts of the tunnels are suspended from the chassis 29 so that they are slightly movable relative to the chassis to allow them to adjust themselves.
  • each rail file the two sections 5a, 5a ′ of the tunnel provided for each rail file are slightly spaced from one another, connected by a cross member 27 and suspended from the frame 29 by jacks 29a which allow them to be lifted when walking high.
  • Each tunnel is provided not only with rollers 7a which rest on the rails R2, but also on either side of each rail, rollers 7b providing lateral guidance.
  • stain removal stations are provided on two nacelles 9, 10 suspended from a frame 29; these nacelles are equipped with tools for removing fasteners such as automatic spanners 9b, 10b and are fitted with wheels 9d, 10d for rolling on the rails R1.
  • the vehicle 1 has rail guides 33 for the old released rails R1, a cantilever frame 30 carrying an adjustable support 31 provided with rail clamps 31a which lift the rails R1 ( Figure 4) and move them apart ( Figure 4a), as well as a track 32 rolling on the sleepers to prevent them from leaving the ballast when lifting the rails R1.
  • the frame 30 can be moved towards the interior of the vehicle thanks to the rollers 30a rolling on slides of the frame 29.
  • the mounting vehicle 40 ( Figure 5) having the bogies 35 and 36 rolls on the new rails R2 which are placed in their correct position on the crosspieces at the front of the bogie 35.
  • the vehicle has at the head a frame 37 cantilevered with an adjustable support 38 carrying rail clamps 39 to spread the rails R2 towards the fixing positions, as shown in the Figure 5a.
  • the frame 37 can be moved towards the interior of the vehicle by means of the rollers 37a rolling on slides of the chassis 40a.
  • auxiliary heating tunnel 5c positioned at the head of said vehicle and covering from above the rails R2, as well as other rail clamps 39a for positioning these rails R2 on the sleepers T.
  • This auxiliary tunnel 5c only comes into operation in the event of work being interrupted, to heat up the R2 rails already out of the tunnel 5a, 5b before they are fixed.
  • a connection 41 between vehicles 1 and 40 comprising an electric line and a cooling pipe serves to supply this part 5c of the tunnel.
  • the vehicle 40 also comprises front 42 and rear 43 cabins, a generator group 44, as well as mounting stations on the two nacelles 45. These nacelles are suspended from the chassis 40a and provided with tools for mounting the fixings, in particular automatic spanners 46, as well as wheels 45a for running on the rails R2.
  • the old rails R1 are guided by guide rollers 47 and deposited next to the track as shown in Figure 5a.
  • means 48 for picking up the fasteners removed by the stain removal stations of the vehicle 1 and deposited on the track. These fasteners are transported by conveyors 48a to storage places 49 and by conveyors 50 to the attachment stations on the nacelles 45.
  • Figure 8 shows the installation block diagram intended for vehicles 1 and 40 according to Figures 4 and 5 and is very similar to that illustrated in Figure 3.
  • the same units are identified by the same reference signs and will not be described again.
  • the modifications compared to Figure 3 are as follows:
  • An inverter 15a pe of 50 kW, supplies the two inductors 12, 13 mounted in each part 5a of the tunnels, and an inverter 16a, pe of 100 kW, supplies the inductor 14 mounted in each part 5b of the tunnels or else an inductor auxiliary 26 mounted in each part 5c of the tunnels at the head of the vehicle 40.
  • An inverter 27 makes it possible to connect the inverter 16a to the inductor 14 or 26.
  • the inverters in this case work at 2 kHz.
  • Each inductor, designed as a module, is formed by a coil with a hollow coil and its length is 1 m.
  • the method according to the invention could be implemented by other installations than those which have just been described, in particular the heat source could be different.
  • the high frequency induction heating which is the preferred heating could in particular be replaced by a heating with electrical resistance or by a gas heating.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • General Induction Heating (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Tunnel Furnaces (AREA)
  • Escalators And Moving Walkways (AREA)
  • Railway Tracks (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP91810530A 1990-07-13 1991-07-05 Verfahren zur Neutralisierung von Eisenbahnschienen in situ Expired - Lifetime EP0467833B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH235090 1990-07-13
CH2350/90 1990-07-13
CH186991A CH685636A5 (fr) 1991-06-25 1991-06-25 Procédé et installation de neutralisation en voie des rails de chemin de fer.
CH1869/91 1991-06-25

Publications (2)

Publication Number Publication Date
EP0467833A1 true EP0467833A1 (de) 1992-01-22
EP0467833B1 EP0467833B1 (de) 1994-03-16

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP91810530A Expired - Lifetime EP0467833B1 (de) 1990-07-13 1991-07-05 Verfahren zur Neutralisierung von Eisenbahnschienen in situ
EP91810529A Expired - Lifetime EP0466652B1 (de) 1990-07-13 1991-07-05 Vorrichtung zur Neutralisierung von neuen Eisenbahnschienen

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP91810529A Expired - Lifetime EP0466652B1 (de) 1990-07-13 1991-07-05 Vorrichtung zur Neutralisierung von neuen Eisenbahnschienen

Country Status (8)

Country Link
US (1) US5237143A (de)
EP (2) EP0467833B1 (de)
JP (1) JPH04254601A (de)
AT (2) ATE103025T1 (de)
CA (1) CA2046941A1 (de)
DE (2) DE69112730T2 (de)
DK (2) DK0466652T3 (de)
ES (1) ES2051104T3 (de)

Cited By (4)

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EP0668398A1 (de) * 1994-02-18 1995-08-23 Speno International S.A. Vorrichtung zur Wiederprofilierung von Eisenbahnschienen
CN101929114A (zh) * 2010-08-26 2010-12-29 中国科学院长春光学精密机械与物理研究所 基于火车运行对钢轨硬化的光学装置的应用方法
FR3020073A1 (fr) * 2015-07-27 2015-10-23 Matisa Materiel Ind Sa Procede de renouvellement de voies ferrees et dispositif pour sa mise en oeuvre
FR3086677A1 (fr) 2018-10-02 2020-04-03 Matisa Materiel Industriel S.A. Procede d’immobilisation d’un rail de voie ferree avec conditionnement thermique d’une portion de rail, et machine ferroviaire associee

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US8651393B2 (en) * 2010-03-26 2014-02-18 Holland, L.P. Repair insert for repairing metallic structure
CN101956346A (zh) * 2010-03-26 2011-01-26 孟祥厚 铁轨热处理用感应加热装置
CN105525545B (zh) * 2016-01-18 2018-01-30 重庆交通大学 有砟轨道自动控制换轨机器人
CN107034750A (zh) * 2017-05-18 2017-08-11 西南交通大学 轨枕立螺栓拔出设备
FR3066508B1 (fr) * 2017-05-22 2021-02-12 Matisa Materiel Ind Sa Procede de pose d’un rail de voie ferree, comportant un chauffage du rail, et train de travaux pour la mise en œuvre du procede de pose
CN108825874A (zh) * 2018-08-02 2018-11-16 杭州吉宝传动设备有限公司 一种恒温拖链及其操作方法
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668398A1 (de) * 1994-02-18 1995-08-23 Speno International S.A. Vorrichtung zur Wiederprofilierung von Eisenbahnschienen
US5566437A (en) * 1994-02-18 1996-10-22 Speno International Sa Installation for the reprofiling of tracks carried out on a railway line
CN101929114A (zh) * 2010-08-26 2010-12-29 中国科学院长春光学精密机械与物理研究所 基于火车运行对钢轨硬化的光学装置的应用方法
CN101929114B (zh) * 2010-08-26 2012-02-08 中国科学院长春光学精密机械与物理研究所 基于火车运行对钢轨硬化的光学装置的应用方法
FR3020073A1 (fr) * 2015-07-27 2015-10-23 Matisa Materiel Ind Sa Procede de renouvellement de voies ferrees et dispositif pour sa mise en oeuvre
WO2017017600A1 (fr) * 2015-07-27 2017-02-02 Matisa Materiel Industriel S.A. Procédé de renouvellement de voies ferrées et dispositif pour sa mise en oeuvre
RU2676964C1 (ru) * 2015-07-27 2019-01-11 Матиса Материел Индустриел С.А. Способ восстановления железнодорожных путей и устройство для его осуществления
US10676873B2 (en) 2015-07-27 2020-06-09 Matisa Materiel Industriel S.A. Railroad renewal method and device for implementing said method
FR3086677A1 (fr) 2018-10-02 2020-04-03 Matisa Materiel Industriel S.A. Procede d’immobilisation d’un rail de voie ferree avec conditionnement thermique d’une portion de rail, et machine ferroviaire associee
WO2020070168A1 (fr) 2018-10-02 2020-04-09 Matisa Materiel Industriel Sa Procédé d'immobilisation d'un rail de voie ferrée avec conditionnement thermique d'une portion de rail, et machine ferroviaire associée
US12281370B2 (en) 2018-10-02 2025-04-22 Matisa Materiel Industriel S.A. Method for fixing a rail of a rail track with thermal conditioning of a rail portion, and associated rail machine

Also Published As

Publication number Publication date
ATE127558T1 (de) 1995-09-15
EP0466652B1 (de) 1995-09-06
DE69112730T2 (de) 1996-04-18
DE69101412T2 (de) 1994-10-13
ATE103025T1 (de) 1994-04-15
US5237143A (en) 1993-08-17
DK0466652T3 (da) 1996-01-22
CA2046941A1 (en) 1992-01-14
DK0467833T3 (da) 1994-08-01
JPH04254601A (ja) 1992-09-09
ES2051104T3 (es) 1994-06-01
EP0466652A1 (de) 1992-01-15
EP0467833B1 (de) 1994-03-16
DE69112730D1 (de) 1995-10-12
DE69101412D1 (de) 1994-04-21

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