EP1791748B1 - Diagnostic et surveillance d'etats d'aiguillages, de croisements ou de traversees-jonctions et de joints de rail, effectues par un vehicule ferroviaire - Google Patents

Diagnostic et surveillance d'etats d'aiguillages, de croisements ou de traversees-jonctions et de joints de rail, effectues par un vehicule ferroviaire Download PDF

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Publication number
EP1791748B1
EP1791748B1 EP05738201A EP05738201A EP1791748B1 EP 1791748 B1 EP1791748 B1 EP 1791748B1 EP 05738201 A EP05738201 A EP 05738201A EP 05738201 A EP05738201 A EP 05738201A EP 1791748 B1 EP1791748 B1 EP 1791748B1
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EP
European Patent Office
Prior art keywords
rail
rail vehicle
point
junction
diagnosis
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EP05738201A
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German (de)
English (en)
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EP1791748A1 (fr
Inventor
Andreas Zoll
Daniel LÜKE
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DB Netz AG
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DB Netz AG
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Application filed by DB Netz AG filed Critical DB Netz AG
Priority to PL05738201T priority Critical patent/PL1791748T3/pl
Priority to SI200530538T priority patent/SI1791748T1/sl
Publication of EP1791748A1 publication Critical patent/EP1791748A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
    • B61L23/04—Control, warning, or like safety means along the route or between vehicles or vehicle trains for monitoring the mechanical state of the route
    • B61L23/042—Track changes detection
    • B61L23/045—Rail wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08—Measuring installations for surveying permanent way
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2205/00—Communication or navigation systems for railway traffic
    • B61L2205/04—Satellite based navigation systems, e.g. GPS

Definitions

  • the invention relates to a method and a device for diagnosis and condition monitoring of a wear and functional state of a switch and / or a crossing and / or a crossroads and / or rail joints of a railroad track, which consists of several rails.
  • the method and the device are also suitable for diagnosing and monitoring the wear and functional state of track inhomogeneities.
  • intersections and intersections divide several tracks of rail traffic into a track and connect them together or, at an intersection, pass a track through another track.
  • An unobstructed and almost track-stable running of a wheel of a rail vehicle, which rolls over a switch, intersection or intersection, ensures a so-called heart, which is located at a cutting point of the intersecting tracks.
  • a distinction is made between rigid and movable frogs.
  • This heart gap causes the wheel to roll over the diverter, intersection or crossover over a groove as it rolls over, causing shock-like shocks and stresses on both the wheel and the rigid centerpiece.
  • WO 00/60322 describes a process independent of the effects of road or rail and a device for monitoring the chassis of multi-axle vehicles, in which undue deviations from the normal mechanical performance of a chassis are detected.
  • acceleration sensors measure the accelerations of at least two axles of the chassis, which are evaluated with a Fourier transformation.
  • Disadvantage of the described methods or devices is that it is not possible to determine during the crossing of a rail vehicle on the switch, intersection, intersection, or the rail joint whose actual state of wear with such accuracy that even without the presence of a defect condition, a possibly required maintenance date can be predicted with the associated expected maintenance effort.
  • Out EP 1 236 633 A2 is a method for detecting dergleister states of wheels of a rail vehicle known. In this case characteristic characteristic values are determined and a warning signal and / or emergency braking is triggered when a predetermined value is exceeded. With this method, it is not possible to make statements about the state of wear and function of points, turnouts, intersections, rail joints or tracks.
  • Claim 1 specifies a method for the diagnosis and condition monitoring of a wear and functional condition of a switch and / or a crossing and / or a crossroads and rail joints and track inhomogeneities of a rail transport route.
  • intersection or crossing points and rail joints or track inhomogeneities on at least one component of the rail vehicle vibration accelerations in at least one spatial direction measured and stored on the component of the rail vehicle by the crossing of the rail vehicle on the switch, intersection or crossing as well as rail joints and track inhomogeneities are generated.
  • vibration accelerations during crossings of a rail vehicle are thus measured and assessed in a location-specific manner.
  • These are directly related to the wear and functional state of the switch, crossing or intersection switch, rail joint and track inhomogeneities, since increasing vibration accelerations caused in particular by increasing deviations of their geometry from their nominal shape and their position of their desired position become.
  • a rolling over a railroad wheel on the heart gap in rigid frogs thus happens with increasing wear always "unsanft".
  • high vibration accelerations mean high energy inputs into individual components of the switch, intersection or intersection, as well as the rail joint and track inhomogeneities which additionally promote and accelerate the progression of wear.
  • the speed of the rail vehicle is additionally measured and stored, and the direction of travel and the location of the switch, intersection or intersection and the rail joint and track inhomogeneities are determined and stored.
  • Signaling preprocessing of the measuring signals on board the vehicle is advantageously carried out subsequently, so that only extracted data such as direction of travel, wheel set accelerations, driving speed, spatial position of the train must be transmitted via interfaces of the vehicle.
  • the measurement signals of the acceleration sensors, the speed measuring device and the locating device are prepared, stored and evaluated. In doing so, a necessary maintenance date and the associated maintenance costs are forecasted.
  • a check is made as to whether characteristic, predetermined limit values of the measured vibration accelerations are exceeded. In the event that predetermined limits of the vibration acceleration are exceeded, a subsequent further Measurement of a state of components of the switch, intersection or intersection switch in particular in accordance with the provisions DS 820 06 05 B5 or BN 824.9005 causes.
  • a measurement of the vibration acceleration by means of acceleration sensors is carried out according to claim 2 in the vicinity of the contact point of the wheel and rails, in particular according to claim 3 on a Radsatzlagerdeckel, or according to claim 4 as far as possible at the wheel-rail contact point, in particular a particularly selected for measuring wheelset attached.
  • a satellite-based position-indicating device in particular GPS, DGPS or Gallileo is advantageously used to determine the position of the train. This advantageously also a position indication on routes is possible that do not have train control systems that tell the rail vehicle its position on the track.
  • Claim 6 specifies an apparatus for carrying out the method of claim 1.
  • the rail joint or the track inhomogeneity determined at least one acceleration sensor on at least one component of the rail vehicle, a vibration acceleration, the rail vehicle by crossing over the heart or the discontinuity generated.
  • the acceleration sensors determine the vibration acceleration either only in one spatial direction or particularly advantageously in several, in particular all three, mutually perpendicular spatial directions.
  • special acceleration sensors can be used to determine rotational and / or pitching movements on at least one component of the rail vehicle.
  • piezoelectric accelerometers are used as an acceleration sensor in this case according to claim 7. These are characterized by a low weight, a compact design and their robustness and longevity.
  • a speed measuring device determines the speed of the rail vehicle.
  • a speed measuring device which is also present in the rail vehicle, is used in particular Driver indicating speed.
  • Driver indicating speed is used in particular.
  • a locating device determines the location of the measured points, intersection or intersection points as well as rail joints and track inhomogeneities, so that a local assignment of the determined vibration acceleration to the corresponding measured points, intersection or intersection, rail joint and track inhomogeneity can take place.
  • the advantage in this case is that, when irregularities occur or when characteristic, predetermined limit values of the vibration acceleration are exceeded, maintenance personnel are guided precisely to the corresponding conspicuous switch, intersection or intersection, rail impact and track inhomogeneity.
  • a position indication of the rail vehicle present in the rail vehicle is used in conjunction with the position of the accelerometer within the rail vehicle.
  • This position indication of the rail vehicle takes place in particular via train control systems of the traveled route, which inform the rail vehicle of its position on the track, in particular a felicitnzugbeeinpoundung (LZB) or a European Train Control System (ETCS), or via a satellite-based position indicating device of claim 5.
  • train control systems of the traveled route which inform the rail vehicle of its position on the track, in particular a felicitnzugbeeinpoundung (LZB) or a European Train Control System (ETCS), or via a satellite-based position indicating device of claim 5.
  • a location device which, in addition to a position indication, also provides an indication of the speed and direction of travel of the rail vehicle, as is possible in particular in the case of a satellite-supported position indication device.
  • the speed measuring device and the locating device is combined in a single device, so that a separate speed measuring device is unnecessary.
  • a data acquisition system prepares the measuring signals of the acceleration sensors, the speed measuring device and the locating device, stores them in particular electronically or magnetically and evaluates them accordingly.
  • the data acquisition system predicts a necessary maintenance date and the associated maintenance effort.
  • the data acquisition system checks whether characteristic, specified limit values are exceeded. If predetermined limit values are exceeded, the data acquisition is used to initiate a subsequent, more extensive measurement of the state of the points, intersections or crossroads, in particular in accordance with the specifications DS 820 06 05 B5 or BN 824.9005.
  • a supportive use of conventional Measuring means only required when the device according to the invention detects a "need for maintenance" or requires the regulations this
  • Advantages of the method according to the invention and the device according to the invention are, in particular, in the diagnosis and condition monitoring of a switch, crossing or crossroads, rail impact and track inhomogeneities between regular inspections or maintenance work.
  • a first more accurate statement about the state of the switch, intersection or intersection is made by a quick and easy test.
  • wear is detected at a particularly early stage and from the data of which a necessary maintenance date and maintenance effort are predicted, which in particular ensures better central planning feasibility and an optimization of the life-cycle costs.
  • a particularly advantageous embodiment relates according to Fig. 1 a rail vehicle 1, which passes over a discontinuity 3 of a rail 2.
  • the discontinuity 3 of the rail 2 is an example of a heart gap of a switch with a rigid heart.
  • an acceleration sensor 4 which is mounted on a Radsatzlagerdeckel 5 (or as close as possible near the contact point of the wheel and rails), determined vibration acceleration, the rail vehicle through the Crossing experiences.
  • a locating device 7 in particular a satellite-supported position indicating device, determines the position, the speed and the direction of travel of the rail vehicle.
  • a data acquisition system 6 carries out signal conditioning and signal storage of the measurement signals of the acceleration sensor 4 and of the location device 7 and evaluates them accordingly. Furthermore, the data acquisition system 6 checks whether characteristic, predetermined limit values of the vibration acceleration are exceeded. If the predetermined limit values are exceeded, the data acquisition system 6 causes a subsequent further measurement of a position and a state of components of the points, in particular according to the regulations DS 820 06 05 B5 and BN 824.9005. Subsequently, worn out components which have been determined are serviced and a renewed check according to the invention is carried out, with which a quality of a component maintenance is checked and checked.

Claims (7)

  1. Procédé de diagnostic et de surveillance d'état d'usure et de fonctionnement d'un aiguillage et/ou d'un croisement et/ou d'une traversée-jonction et/ou d'un joint de rail d'une voie de circulation ferroviaire par lequel, lors d'un passage d'un véhicule ferroviaire sur l'aiguillage, le croisement, la traversée-jonction ou le joint de rail,
    - on mesure et on enregistre au niveau d'au moins une composante dans au moins un sens axial les accélérations vibratoires qui sont générées par le passage du véhicule ferroviaire sur l'aiguillage, le croisement, la traversée-jonction ou le joint de rail,
    - on détermine et on enregistre la vitesse du véhicule ferroviaire et le sens de circulation,
    - on détermine et on enregistre la localisation de l'aiguillage, du croisement, de la traversée-jonction ou du joint de rail,
    - les signaux de mesure des capteurs d'accélération sont élaborés, enregistrés et exploités par une installation d'enregistrement de données disposée dans le véhicule ferroviaire, une date de maintenance indispensable et les moyens de maintenance corrélatifs étant prévus,
    - on contrôle si les valeurs limites caractéristiques prédéfinies des accélérations vibratoires mesurées n'ont pas été dépassées et, pour le cas où les valeurs limites prédéfinies des accélérations vibratoires sont dépassées, on procède à une mesure consécutive plus approfondie d'un état de composantes de l'aiguillage, du croisement, de la traversée-jonction ou du joint de rail.
  2. Procédé de diagnostic et de surveillance d'état selon la revendication 1, caractérisé en ce que la mesure des accélérations vibratoires est effectuée à proximité du point de contact de la roue et des rails.
  3. Procédé de diagnostic et de surveillance d'état selon la revendication 2, caractérisé en ce que la mesure des accélérations vibratoires est effectuée au niveau d'un couvercle de palier de jeu de roues du véhicule ferroviaire.
  4. Procédé de diagnostic et de surveillance d'état selon au moins une des revendications 1 à 3, caractérisé en ce que la mesure des accélérations vibratoires est effectuée sur une roue ferroviaire au niveau d'un point de contact roue-rail.
  5. Procédé de diagnostic et de surveillance d'état selon au moins une des revendications 1 à 4, caractérisé en ce que la localisation de l'aiguillage, du croisement, de la traversée-jonction ou du joint de rail est déterminée par un dispositif indicateur de position assisté par satellite.
  6. Dispositif de diagnostic et de surveillance d'état d'un aiguillage et/ou un croisement et/ou d'une traversée-jonction et/ou d'un joint de rail d'une voie de circulation ferroviaire lors d'un passage d'un véhicule ferroviaire sur l'aiguillage, le croisement, la traversée-jonction ou le joint de rail, dans lequel
    - au moins un capteur d'accélération est disposé au niveau d'au moins une composante du véhicule ferroviaire,
    - un dispositif de mesure de vitesse et de localisation est disposé dans le véhicule ferroviaire,
    - une installation d'enregistrement de données disposée dans le véhicule ferroviaire élabore, enregistre, exploite des signaux de mesure des capteurs d'accélération, du dispositif de mesure de vitesse et du dispositif de localisation, caractérisé en ce que l'installation d'enregistrement de données est aménagée de manière à prévoir une date de maintenance indispensable et les moyens de maintenance corrélatifs.
  7. Dispositif de diagnostic et de surveillance d'état selon la revendication 5, caractérisé en ce que le capteur d'accélération est réalisé sous forme d'un détecteur d'accélération piézoélectrique.
EP05738201A 2004-09-20 2005-05-04 Diagnostic et surveillance d'etats d'aiguillages, de croisements ou de traversees-jonctions et de joints de rail, effectues par un vehicule ferroviaire Active EP1791748B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL05738201T PL1791748T3 (pl) 2004-09-20 2005-05-04 Diagnozowanie i monitorowanie stanu rozjazdów, skrzyżowań lub rozjazdów krzyżowych, jak również styków szyn za pomocą pojazdu szynowego
SI200530538T SI1791748T1 (sl) 2004-09-20 2005-05-04 Diagnoza in spremljanje stanja kretnic, križišč ali križiščnih kretnic kot tudi stikov tirnic s tirničnim vozilom

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004045457A DE102004045457B4 (de) 2004-09-20 2004-09-20 Verfahren zur Diagnose und zum Zustandsmonitoring von Weichen, Kreuzungen oder Kreuzungsweichen sowie Schienenstößen durch ein Schienenfahrzeug
PCT/EP2005/004837 WO2006032307A1 (fr) 2004-09-20 2005-05-04 Diagnostic et surveillance d'etats d'aiguillages, de croisements ou de traversees-jonctions, de joints de rail et d'inhomogeneites de voies, effectues par un vehicule ferroviaire

Publications (2)

Publication Number Publication Date
EP1791748A1 EP1791748A1 (fr) 2007-06-06
EP1791748B1 true EP1791748B1 (fr) 2008-10-01

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EP05738201A Active EP1791748B1 (fr) 2004-09-20 2005-05-04 Diagnostic et surveillance d'etats d'aiguillages, de croisements ou de traversees-jonctions et de joints de rail, effectues par un vehicule ferroviaire

Country Status (14)

Country Link
US (1) US7539596B2 (fr)
EP (1) EP1791748B1 (fr)
JP (1) JP4707715B2 (fr)
AT (1) ATE409631T1 (fr)
AU (1) AU2005287677B2 (fr)
CA (1) CA2580573C (fr)
DE (2) DE102004045457B4 (fr)
DK (1) DK1791748T3 (fr)
ES (1) ES2310350T3 (fr)
IL (1) IL181917A (fr)
PL (1) PL1791748T3 (fr)
RU (1) RU2349480C2 (fr)
SI (1) SI1791748T1 (fr)
WO (1) WO2006032307A1 (fr)

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CA2580573C (fr) 2010-10-12
WO2006032307A1 (fr) 2006-03-30
SI1791748T1 (sl) 2009-04-30
DE102004045457B4 (de) 2009-04-23
RU2349480C2 (ru) 2009-03-20
US7539596B2 (en) 2009-05-26
ES2310350T3 (es) 2009-01-01
IL181917A (en) 2010-06-30
PL1791748T3 (pl) 2009-04-30
RU2007114889A (ru) 2008-10-27
AU2005287677B2 (en) 2010-03-04
JP4707715B2 (ja) 2011-06-22
US20070299630A1 (en) 2007-12-27
EP1791748A1 (fr) 2007-06-06
IL181917A0 (en) 2007-07-04
ATE409631T1 (de) 2008-10-15
CA2580573A1 (fr) 2006-03-30
JP2008513633A (ja) 2008-05-01
DE502005005563D1 (de) 2008-11-13
DK1791748T3 (da) 2008-12-01
AU2005287677A1 (en) 2006-03-30
DE102004045457A1 (de) 2006-04-06

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