EP0514365A2 - Méthode pour la surveillance de l'état d'aiguillages ferroviaires - Google Patents

Méthode pour la surveillance de l'état d'aiguillages ferroviaires Download PDF

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Publication number
EP0514365A2
EP0514365A2 EP92890106A EP92890106A EP0514365A2 EP 0514365 A2 EP0514365 A2 EP 0514365A2 EP 92890106 A EP92890106 A EP 92890106A EP 92890106 A EP92890106 A EP 92890106A EP 0514365 A2 EP0514365 A2 EP 0514365A2
Authority
EP
European Patent Office
Prior art keywords
rail
value
tongue
limit value
memory
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
EP92890106A
Other languages
German (de)
English (en)
Other versions
EP0514365A3 (en
EP0514365B1 (fr
Inventor
Wolfgang Dipl.-Ing. Nayer
Gerald Durchschlag
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.)
Voestalpine Railway Systems GmbH
Original Assignee
Voestalpine VAE GmbH
Voestalpine Weichensysteme GmbH
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 Voestalpine VAE GmbH, Voestalpine Weichensysteme GmbH filed Critical Voestalpine VAE GmbH
Publication of EP0514365A2 publication Critical patent/EP0514365A2/fr
Publication of EP0514365A3 publication Critical patent/EP0514365A3/de
Application granted granted Critical
Publication of EP0514365B1 publication Critical patent/EP0514365B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
    • B61L5/107—Locking mechanisms for points; Means for indicating the setting of points electrical control of points position

Definitions

  • the invention relates to a method for monitoring the condition of rail switches and for detecting premature wear in the area of the tongue rails of a switch.
  • DE-A-13511891 an actuating, securing and monitoring device on turnouts has already become known, in which a plurality of electric motor-driven turnout drives with an inner lock were used. With this known device, the respective slide end position and its safety status were monitored by means of a series of sensors. A number of such units were combined into functional areas and each was jointly controlled and monitored.
  • DE-A-12630387 shows a monitoring device for the end positions of pivotable rails of railroad switches, in which switches were provided for both end positions of each pivotable rail.
  • An evaluation device for reporting a correct end position detected the discussion of all switches of each pivotable rail for one end position and the simultaneous non-response of all switches for the respective other end position.
  • the invention now aims to develop a method of the type mentioned at the outset in such a way that signs of wear can be reliably recognized even before the point at which the switch is no longer safely driven.
  • the method according to the invention essentially consists in that the signals of at least one proximity sensor in the area of the tongue rails are evaluated while driving over the switch, that the smallest value of the distance between the tongue rail and stock rail determined during driving is stored, that the change in the measured smallest value and at least a first limit value for the smallest distance are compared with each other and that a maintenance signal is generated when this first limit value is exceeded.
  • a maintenance signal can thus be generated according to the invention and the maintenance effort at such an early point in time is significantly lower and without long interruptions in operation, possible, for example, by smoothing the corresponding contact points of the tongue rail on the stock rail.
  • the monitoring of the change in the measured smallest value over time enables early conclusions to be drawn about the type of wear, all of these statements being able to be made at a point in time at which the operational reliability of the switch is still fully given.
  • the method according to the invention is advantageously carried out in such a way that the measured values of the smallest distance between the tongue rail and the stock rail are monitored at a point at which the upper edge of the tongue rail, when not worn, is higher than 14 mm below the top rail edge or the driving edge.
  • the arrangement of a proximity sensor at a point at which the upper edge of the tongue rail is lower than the specified limit value would give rise to falsifications of the result, since there is no fear of a collision between the wheel tread surface of the wheel and the tongue rail upper edge at this point.
  • Measured values at such points can therefore only give an unsatisfied statement about the possible formation of burrs, since burr formation on the running surface of the stock rail does not easily lead to a change in the end position of the tongue rails at these points.
  • the choice of the appropriate position for the proximity sensors is therefore of crucial importance for the meaningfulness in relation to the possible formation of burrs.
  • Such a procedure can advantageously also be used at the same time to subject the turnout safety to an additional control.
  • the first limit value for the smallest distance between the tongue rail and the stock rail when driving on the switch does not initially contain any information about safety when driving on, since the first limit value is chosen to be significantly smaller than the tolerance permitted for safety when driving on it.
  • at least a second, larger limit value for the distance of the tongue rail from the stock rail is compared with the measured value, a warning signal can be triggered if the second limit value is exceeded. This warning signal can be used directly to block the switch for further use.
  • the method can be carried out in such a way that the sensor signal is converted into a digital signal via an A / D converter and fed to a minimum value memory and that the memory content of the minimum value memory is compared after a period with the limit value, which period is greater is the period between successive samples of the sensor signal.
  • the digitization of the sensor signal prior to further processing allows the signal to be transmitted over longer signal lines without the risk of signal distortion and thus offers a simple possibility of arranging the evaluation circuit at a corresponding distance from the switch and thus protecting it against external influences.
  • this method can subsequently be followed in such a way that the minimum value memory is reset after the comparison of the memory content with the limit value and that the result of the comparison with the limit value or the found minimum value is stored separately.
  • the long-term change in the minimum values can be recorded without excessive storage effort, so that predictions or prognoses about critical burrs in the area of travel of the zone or stock rail are possible.
  • FIG. 1 shows a section through a stock rail and a tongue rail in the region of the arrangement of a sensor
  • 2 shows a schematic representation of a first circuit arrangement for evaluating the measured values of the sensor according to FIG. 1
  • FIG. 3 shows a modified embodiment of such an evaluation circuit.
  • 1 denotes a stock rail, in the web of which a proximity sensor 2 is arranged.
  • a proximity sensor can be designed, for example, as an analog sensor and can be connected as an inductive or capacitive sensor.
  • the signal of such a sensor 2 is dependent on the distance of the end face of the sensor from a part approaching this end face, which in the case of FIG. 1 is formed by a tongue rail 3.
  • the tongue rail 3 is in ideal contact with the stock rail 1, the contact surfaces lie flat against one another, so that there is no gap between these surfaces.
  • a distance 1 will arise in the area of the contact of the tongue rail 3 with the stock rail 1, which distance becomes correspondingly larger depending on the size of the burr formation caused by deformation.
  • a critical distance 1 can be detected by the sensor 2, such a critical distance 1 being significantly smaller than one Another critical distance, which no longer guarantees the safety of driving on the switch.
  • the signal from sensor 2 is first fed to an analog-digital converter 4 and subsequently to a minimum value memory 5.
  • the content of the minimum value memory 5 is subjected to a limit value comparison in a comparator circuit 6 at regular intervals.
  • the sensor signal can be passed to a minimum value memory 5 via a fast analog-digital converter 4 and a limit value comparison can be carried out once a day, which is then stored separately over a longer period of time. In this way, an increase in the minimum value 1 can be seen.
  • the digital minimum value memory can be reset daily, the minimum value being detected with a high degree of certainty by the high sampling frequency.
  • the signal from sensor 2 is stored as an analog value and queried in the system cycle.
  • the corresponding circuit (sample and hold) is designated 8.
  • the analog minimum value is subsequently read at substantially longer time intervals, and after analog-to-digital conversion in a corresponding A / D converter, it can in turn be stored in a minimum value memory 5.
  • 6 again schematically indicates the limit value comparison.
  • the output signal of the tongue position sensors can be calibrated to 0 during trial assembly with the tongue resting flat on the stock rail. As soon as a burr is formed, this minimum value 0 is no longer reached, so that after increasing this distance, it is still possible to drive on the points with a high degree of certainty compared to the maximum permissible value, but only then can errors and particularly burrs be recognized is made possible if smaller enlargements of this distance are detected.
EP92890106A 1991-05-08 1992-05-08 Méthode pour la surveillance de l'état d'aiguillages ferroviaires Expired - Lifetime EP0514365B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0095791A AT399851B (de) 1991-05-08 1991-05-08 Verfahren zum überwachen des zustandes von schienenweichen
AT957/91 1991-05-08

Publications (3)

Publication Number Publication Date
EP0514365A2 true EP0514365A2 (fr) 1992-11-19
EP0514365A3 EP0514365A3 (en) 1993-11-24
EP0514365B1 EP0514365B1 (fr) 1995-08-16

Family

ID=3503716

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92890106A Expired - Lifetime EP0514365B1 (fr) 1991-05-08 1992-05-08 Méthode pour la surveillance de l'état d'aiguillages ferroviaires

Country Status (14)

Country Link
US (1) US5253830A (fr)
EP (1) EP0514365B1 (fr)
JP (1) JP2620018B2 (fr)
AT (2) AT399851B (fr)
AU (1) AU646935B2 (fr)
CA (1) CA2068156C (fr)
DE (1) DE59203262D1 (fr)
DK (1) DK0514365T3 (fr)
EE (1) EE02977B1 (fr)
ES (1) ES2078022T3 (fr)
FI (1) FI104479B (fr)
GR (1) GR3017705T3 (fr)
NO (1) NO306102B1 (fr)
RU (1) RU2085426C1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2745543A1 (fr) * 1996-02-29 1997-09-05 Cogifer Systeme de telesurveillance pour reseau ferroviaire
EP0957020A1 (fr) 1998-05-12 1999-11-17 Alcatel Alimentation de courant pour un consommateur électrique dans la zone d'un aiguillage et dispositif de diagnostic pour un aiguillage
US6164600A (en) * 1996-03-12 2000-12-26 Vae Aktiengesellschaft Device for detecting the positions of pivotable parts of a point
US7395139B2 (en) 2001-05-08 2008-07-01 Westinghouse Rail Systems Limited Condition monitoring system
EP3024711A1 (fr) * 2013-07-24 2016-06-01 Ansaldo STS USA, Inc. Système et procédé d'identification d'étalonnage de détection de position d'aiguille avant verrouillage du détecteur de position d'aiguille et défaillance de machine d'aiguillage

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US5590855A (en) * 1994-07-12 1997-01-07 Kato; Ryochi Train detection device for railroad models and train crossing control apparatus utilizing the train detection device
US5806809A (en) * 1997-03-12 1998-09-15 Danner; Don D. Railroad switch point position sensing system and method
GB2335986B (en) * 1998-04-02 2001-09-12 Strainstall Engineering Servic Points-actuator linkage
US6149106A (en) * 1998-09-03 2000-11-21 Union Switch & Signal Inc. Railroad switch point position indicator
US6578799B1 (en) * 2001-12-06 2003-06-17 Union Switch & Signal, Inc. Modular point detector for railroad track signal
AU2006203405B2 (en) * 2001-12-06 2008-01-10 Ansaldo Sts Usa, Inc. Modular point detector for railroad track switch
US9733625B2 (en) 2006-03-20 2017-08-15 General Electric Company Trip optimization system and method for a train
US10308265B2 (en) 2006-03-20 2019-06-04 Ge Global Sourcing Llc Vehicle control system and method
US9950722B2 (en) 2003-01-06 2018-04-24 General Electric Company System and method for vehicle control
CN100381320C (zh) * 2004-05-13 2008-04-16 盛香山 道岔缺口临界报警系统
US9956974B2 (en) 2004-07-23 2018-05-01 General Electric Company Vehicle consist configuration control
US6981907B1 (en) * 2004-11-03 2006-01-03 Railworks Corporation High angle grinder
US9828010B2 (en) 2006-03-20 2017-11-28 General Electric Company System, method and computer software code for determining a mission plan for a powered system using signal aspect information
US8914171B2 (en) 2012-11-21 2014-12-16 General Electric Company Route examining system and method
AT508376B1 (de) 2009-12-04 2011-01-15 Frauscher Holding Gmbh Halterung für eine detektiereinrichtung
US8296000B2 (en) 2010-09-08 2012-10-23 Railcomm, Llc Tracking rolling stock in a controlled area of a railway
CN103129584B (zh) * 2011-11-30 2016-02-03 国际商业机器公司 道岔监测方法与系统、铁路线路管理方法与系统
AU2013299501B2 (en) 2012-08-10 2017-03-09 Ge Global Sourcing Llc Route examining system and method
US9702715B2 (en) 2012-10-17 2017-07-11 General Electric Company Distributed energy management system and method for a vehicle system
JP6309716B2 (ja) * 2013-07-05 2018-04-11 東海旅客鉄道株式会社 トングレールの開口量検出装置
US9255913B2 (en) 2013-07-31 2016-02-09 General Electric Company System and method for acoustically identifying damaged sections of a route
US9434397B2 (en) 2014-08-05 2016-09-06 Panasec Corporation Positive train control system and apparatus therefor
US10427698B2 (en) * 2016-01-29 2019-10-01 Green Timber Energy Train derailer placement warning device
US10501102B2 (en) * 2017-02-06 2019-12-10 Avante International Technology, Inc. Positive train control system and apparatus employing RFID devices
US10953899B2 (en) 2018-11-15 2021-03-23 Avante International Technology, Inc. Image-based monitoring and detection of track/rail faults
WO2022126211A1 (fr) * 2020-12-17 2022-06-23 Rumo Malha Sul S.A. Système et procédé de surveillance d'appareil de changement de voie ferrée

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1148064A (en) * 1965-08-12 1969-04-10 English Electric Co Ltd Inductive proximity transducers
FR2365780A1 (fr) * 1976-09-24 1978-04-21 Semt Procede et dispositif de detection d'usure des paliers d'un arbre rotatif, et arbre pourvu d'un tel dispositif
AT358625B (de) * 1978-02-13 1980-09-25 Siemens Ag Ueberwachungseinrichtung fuer die raeumliche lage einer schwenkbaren schiene
DE3608572A1 (de) * 1986-03-14 1987-09-17 Krupp Gmbh Verfahren und vorrichtung zur beruehrungslosen bruch- und verschleissueberwachung von werkzeugen

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FR415246A (fr) * 1909-04-28 1910-09-21 Lauritz Haasted Appareil de controle pour aiguilles de chemins de fer et autres organes mobiles
US975922A (en) * 1910-03-02 1910-11-15 George W Albaugh Switch-signal.
FR598866A (fr) * 1925-05-27 1925-12-28 Commutateur de contrôle d'aiguille de chemin de fer
FR629299A (fr) * 1927-02-18 1927-11-07 Appareil perfectionné non talonnable, de manoeuvre et de verrouillage pour aiguilles de chemin de fer
US2740041A (en) * 1951-10-06 1956-03-27 Gen Equipment & Mfg Company Railway switch position indicator
DE2630387C3 (de) * 1976-07-06 1981-11-26 SIEMENS AG AAAAA, 1000 Berlin und 8000 München Überwachungseinrichtung für die Endlagen schwenkbarer Schienen von Eisenbahnweichen
US4207569A (en) * 1977-08-09 1980-06-10 Meyer Jack R Railroad radio frequency waveguide
US4570882A (en) * 1983-01-17 1986-02-18 General Signal Corporation Vital track circuit wheel detector
DE3311006A1 (de) * 1983-03-25 1984-10-04 Siemens AG, 1000 Berlin und 8000 München Anordnung bei einem beruehrungslos arbeitenden naeherungsschalter fuer das eisenbahnwesen
DE3511891A1 (de) * 1985-04-01 1986-10-16 Siemens AG, 1000 Berlin und 8000 München Stell-, sicherungs- und ueberwachungseinrichtung an weichen
AT399401B (de) * 1988-05-27 1995-05-26 Voest Alpine Eisenbahnsysteme Einrichtung zum erfassen des zustandes von schienenweichen oder kreuzungen
US5116006A (en) * 1989-09-11 1992-05-26 Ocampo Salvador C Safety detector for railroad switch points with remote contact mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1148064A (en) * 1965-08-12 1969-04-10 English Electric Co Ltd Inductive proximity transducers
FR2365780A1 (fr) * 1976-09-24 1978-04-21 Semt Procede et dispositif de detection d'usure des paliers d'un arbre rotatif, et arbre pourvu d'un tel dispositif
AT358625B (de) * 1978-02-13 1980-09-25 Siemens Ag Ueberwachungseinrichtung fuer die raeumliche lage einer schwenkbaren schiene
DE3608572A1 (de) * 1986-03-14 1987-09-17 Krupp Gmbh Verfahren und vorrichtung zur beruehrungslosen bruch- und verschleissueberwachung von werkzeugen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2745543A1 (fr) * 1996-02-29 1997-09-05 Cogifer Systeme de telesurveillance pour reseau ferroviaire
US6164600A (en) * 1996-03-12 2000-12-26 Vae Aktiengesellschaft Device for detecting the positions of pivotable parts of a point
EP0957020A1 (fr) 1998-05-12 1999-11-17 Alcatel Alimentation de courant pour un consommateur électrique dans la zone d'un aiguillage et dispositif de diagnostic pour un aiguillage
US7395139B2 (en) 2001-05-08 2008-07-01 Westinghouse Rail Systems Limited Condition monitoring system
EP3024711A1 (fr) * 2013-07-24 2016-06-01 Ansaldo STS USA, Inc. Système et procédé d'identification d'étalonnage de détection de position d'aiguille avant verrouillage du détecteur de position d'aiguille et défaillance de machine d'aiguillage
EP3024711A4 (fr) * 2013-07-24 2017-04-05 Ansaldo STS USA, Inc. Système et procédé d'identification d'étalonnage de détection de position d'aiguille avant verrouillage du détecteur de position d'aiguille et défaillance de machine d'aiguillage
US10370013B2 (en) 2013-07-24 2019-08-06 Hitachi Rail Sts Usa, Inc. System and method for identifying point detection calibration prior to point detector lock-out and switch machine failure

Also Published As

Publication number Publication date
DK0514365T3 (da) 1996-01-02
JPH05294240A (ja) 1993-11-09
EP0514365A3 (en) 1993-11-24
NO306102B1 (no) 1999-09-20
RU2085426C1 (ru) 1997-07-27
FI922077A (fi) 1992-11-09
GR3017705T3 (en) 1996-01-31
US5253830A (en) 1993-10-19
NO921202D0 (no) 1992-03-27
AU646935B2 (en) 1994-03-10
FI104479B (fi) 2000-02-15
ES2078022T3 (es) 1995-12-01
ATA95791A (de) 1994-12-15
ATE126487T1 (de) 1995-09-15
CA2068156A1 (fr) 1992-11-09
FI922077A0 (fi) 1992-05-07
DE59203262D1 (de) 1995-09-21
NO921202L (no) 1992-11-09
EE02977B1 (et) 1997-04-15
AT399851B (de) 1995-08-25
JP2620018B2 (ja) 1997-06-11
AU1313992A (en) 1992-11-12
EP0514365B1 (fr) 1995-08-16
CA2068156C (fr) 1997-09-30

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