EP1791748A1 - Diagnosis and state monitoring of junctions, crossings or crossroads and rail joints and track inhomogeneities by means of a rail vehicle - Google Patents

Diagnosis and state monitoring of junctions, crossings or crossroads and rail joints and track inhomogeneities by means of a rail vehicle

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Publication number
EP1791748A1
EP1791748A1 EP05738201A EP05738201A EP1791748A1 EP 1791748 A1 EP1791748 A1 EP 1791748A1 EP 05738201 A EP05738201 A EP 05738201A EP 05738201 A EP05738201 A EP 05738201A EP 1791748 A1 EP1791748 A1 EP 1791748A1
Authority
EP
European Patent Office
Prior art keywords
rail
intersection
track
crossing
rail vehicle
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
EP05738201A
Other languages
German (de)
French (fr)
Other versions
EP1791748B1 (en
Inventor
Andreas Zoll
Daniel LÜKE
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.)
DB Netz AG
Original Assignee
Deutsche Bahn AG
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Application filed by Deutsche Bahn AG filed Critical Deutsche Bahn AG
Priority to SI200530538T priority Critical patent/SI1791748T1/en
Priority to PL05738201T priority patent/PL1791748T3/en
Publication of EP1791748A1 publication Critical patent/EP1791748A1/en
Application granted granted Critical
Publication of EP1791748B1 publication Critical patent/EP1791748B1/en
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Classifications

    • 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 trains
    • B61L23/04—Control, warning or like safety means along the route or between vehicles or 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. global positioning system [GPS]

Definitions

  • the invention relates to a method and 1 a device for diagnosis and condition monitoring of a wear and functional state of a switch and / or intersection and / or a crossroads and / or rail joints and / or track inhomogeneities of a railroad track, which consists of several rails.
  • 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.
  • a planned interruption of a running edge at the point of intersection is present, the so-called center piece gap. 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.
  • DE 195 80 680 T2 discloses a mobile tracking unit for detecting defect states in rail vehicles and rail tracks.
  • the mobile tracking unit comprises a rotation measuring unit for determining the rotational speed of a wheel set, a motion sensor, in particular in the form of an acceleration pickup, a data processor, a navigation set and a transmitter for transmitting determined data to an evaluation center.
  • the disadvantage here is that a special mobile tracking unit is required for detecting defect states, i. a special vehicle that needs to track a rail vehicle.
  • Claim 1 specifies a method for the diagnosis and condition monitoring of a switch and / or intersection and / or a crossroads and of rail joints and track inhomogeneities of a railroad track.
  • intersection or crossing points and rail joints or Gleis ⁇ inhomogeneities on at least one component of the rail vehicle vibration accelerations in at least one spatial direction measured and stored at the component of the rail vehicle by the crossing of the rail vehicle on the switch, crossing or crossing soft 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.
  • Rail joint and track inhomogeneities as rising Schwingungs ⁇ accelerations are caused in particular by increasing deviations of their geometry from their nominal shape and their location from their desired position.
  • rolling over a rail wheel over the frog gap in rigid frogs always occurs with increasing wear.
  • high vibration accelerations high energy inputs into individual components of the switch, intersection or intersection and the rail joint and track inhomogeneities promote the progression of wear and accelerate.
  • 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.
  • predetermined limit values of the oscillation acceleration are exceeded, a subsequent further measurement of a state of components of the points, crossing or crossroads is brought about, in particular in accordance with the specifications DS 820 06 05 B5 or BN 824.9005.
  • 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.
  • 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 creates the discontinuity.
  • 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.
  • a local assignment of the determined vibration accelerations to the corresponding measured turnout, crossing 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 are 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. Furthermore, the data acquisition system checks whether characteristic, specified limit values are exceeded. If preset limit values are exceeded, a subsequent, more extensive measurement of the state of the points, crossing or intersection points is initiated with the aid of data acquisition, in particular in accordance with the specifications DS 820 06 05 B5 or BN 824.9005.
  • the invention enables current automatic trend analysis, can be adapted by the invention, an inspection effort on site, optimized and reduced, is increased by the invention, a ride comfort for travelers, noise emissions can be reduced.
  • Fig. 1 shows schematically a rail vehicle with a measuring device according to the invention, which runs over a discontinuity of a rail.
  • a particularly advantageous embodiment relates to FIG. 1, a rail vehicle 1, which passes over a discontinuity of a 3 rail 2.
  • the discontinuity 3 of the rail 2 in this case represents by way of example a heart gap of a switch with a rigid core.
  • 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, which the rail vehicle through the Crossing experiences.
  • a locating device 7 in particular a O
  • satellite-based position indicating device the position, the Geschwin ⁇ 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 initiates a subsequent further measurement of a position and a state of components of the points, in particular in accordance with the specifications 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Traffic Control Systems (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Road Paving Structures (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention relates to a method and to a device for the diagnosis and state monitoring of a wear and functional state of a junction and/or a crossing and/or a crossroads and/or rail joints and/or track inhomogeneities of a rail traffic path which is made of several tracks. According to the invention, swing acceleration in at least one direction is measured and stored when overtaking a rail vehicle on a junction, crossings or crossroads, in addition to rail joints or track inhomogeneities on at least one component of the rail vehicle, the swing acceleration being produced on the component of the rail vehicle when overtaking the rail vehicle at the junction, crossing or crossroads, rail joints, track inhomogeneities. The inventive method also measures and stores the speed of the rail vehicles and determines and stores the direction of travel, determines and stores the place of the junction, crossing or crossroads, rail joints, track inhomogeneities, carries out a control as to whether characteristic, predetermined threshold values of the measured swing accelerations have been exceed. If the predetermined threshold value of the swing accelerations are exceeded, a subsequent, further measurement of the state of the components of the junction, crossing or crossroads, rail joints and track inhomogeneities takes place.

Description

Diagnose und Zustandsmonitorinq von Weichen. Kreuzungen oder Kreuzungsweichen sowie Schienenstößen und Gleisinhomogenitäten durch ein SchienenfahrzeugDiagnosis and condition monitoring of points. Intersections or intersections as well as rail joints and track inhomogeneities caused by a rail vehicle
Beschreibungdescription
Die Erfindung betrifft ein Verfahren und1 eine Vorrichtung zur Diagnose und Zustandsmonitoring eines Verschleiß- und Funktionszustandes einer Weiche und/oder einer Kreuzung und/oder einer Kreuzungsweiche und/oder von Schienenstößen und/oder Gleisinhomogenitäten eines Schienenverkehrsweges, der aus mehreren Fahrschienen besteht.The invention relates to a method and 1 a device for diagnosis and condition monitoring of a wear and functional state of a switch and / or intersection and / or a crossroads and / or rail joints and / or track inhomogeneities of a railroad track, which consists of several rails.
Weichen, Kreuzungen und Kreuzungsweichen führen mehrere Gleise des Schienenverkehrs zu einem Gleis zusammen und verbinden diese miteinander oder führen bei einer Kreuzung ein Gleis durch ein anderes Gleis hindurch. Einen ungehinderten und nahezu spurstabilen Lauf eines Rades eines Schienenfahrzeuges, das über eine Weiche, Kreuzung oder Kreuzungsweiche hinwegrollt, gewährleistet ein sog. Herzstück, das sich an einer Durchschneidungsstelle der sich kreuzenden Gleise befindet. Hierbei werden starre und bewegliche Herzstücke unterschieden. Bei einem starren Herzstück ist eine planmäßige Unterbrechung einer Fahrkante an der Durch¬ schneidungsstelle vorhanden, die sog. Herzstücklücke. Diese Herzstücklücke führt dazu, dass das Rad während des Hinwegrollens über die Weiche, Kreuzung oder Kreuzungsweiche über eine Rille fährt, wodurch stoßartige Erschütterungen und Belastungen sowohl am Rad als auch am starren Herzstück auftreten. Dies führt längerfristig zu einer Abnutzung und einem erhöhten Verschleiß des starren Herzstückes sowie der gesamten Weiche, Kreuzung oder Kreuzungsweiche. Zur Lösung dieses Problems wird bei Weichen, Kreuzungen oder Kreuzungsweichen, die durch Züge mit höheren Geschwindigkeiten befahren werden, ein bewegliches Herzstück verwendet, das für das jeweilige Gleis eine durchgehende Fahrkante herstellt. Die überwiegende Anzahl von Weichen, Kreuzungen oder Kreuzungsweichen weist jedoch aus Gründen verminderter Herstellungs- und Unterhaltungskosten sowie eingeschränkten Einbauraumes ein starres Herzstück auf.Turnouts, 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. Here, a distinction is made between rigid and movable frogs. In the case of a rigid centerpiece, a planned interruption of a running edge at the point of intersection is present, the so-called center piece gap. 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. This leads in the long term to wear and increased wear of the rigid heart and the entire turnout, intersection or intersection. To solve this problem is used in switches, crossings or intersection points, which are driven by trains at higher speeds, a movable core, which produces a continuous edge for the respective track. However, the vast majority of switches, crossings or intersection points, for reasons of reduced manufacturing and maintenance costs and limited installation space on a rigid core.
Die Messungen zur Ermittlung des Verschleiß- und Funktionszustandes von Weichen, Kreuzungen oder Kreuzungsweichen sind personalintensiv und wer¬ den oftmals aus werkstofftechnischer Sicht zu selten und/oder zu spät durchge- o The measurements for determining the state of wear and functional state of switches, crossings or crossroads are labor-intensive and are often too rare and / or too late from the point of view of material technology. O
führt, so dass insbesondere ein Vermessen von Herzstücken nach Regelinspek¬ tionen erst dann erfolgt, wenn diese bereits visuell auffällig sind. Visuelle Ein¬ schätzungen bei Regelinspektionen können den tatsächlichen Verschleiß von Weichen, Kreuzungen oder Kreuzungsweichen nur unzureichend beschreiben. Als Stand der Technik ist bekannt, dass eine Diagnose von Weichen, Herzstücken und Kreuzungen durch eine visuelle Begutachtung und Beurteilung nach Methoden der bahninternen Vorschrift DS 820.06 05 B5 und Norm BN 821.2005 durchgeführt wird. Dies sind händische Messmethoden mit Linealen, Messlehren, Messschnüren, Messkeilen, Spiegel und Fühllehren. Insbesondere werden Rampenverläufe am Herzstück ermittelt, eine Ebenheit und Richtung der Schienen geprüft sowie eine Höhenlage des Herzstückes und der Flügelschienen ermittelt. Hierfür ist ein Personenaufwand von 3 Personen, ein Zeitaufwand von bis zu etwa einer halben Stunde sowie ein teilweise sehr platzzehrendes 8-teiliges Messmittelset erforderlich. Desweiteren stehen hierdurch lediglich geometrische Daten über den Ver¬ schleißzustand an Herzstück und Flügelschiene zum Zeitpunkt der Vermessung zur Verfügung ohne weitere Aussagen über den zugehörigen Ober- und Unter¬ bau. Ebenso werden Schwellenhohllagen nicht erkannt und bis dato mit keinem System erfasst. Nachteil dieser Lösung ist somit insbesondere ein großer personeller und zeitli¬ cher Messaufwand, d.h. seltene und nur unzureichende Beschreibung des tat¬ sächlichen Verschleiß- und Funktionszustandes. Das Voraussagen und Veran¬ lassen rechtzeitiger Instandhaltungstermine sind daher schwer möglich. Ein¬ griffsschwellwerte insbesondere für den Überlaufbereich fehlen bisher. Aus DE 10 2004 014 282 ist ein Verfahren und eine Vorrichtung zur Diagnose und Zustandsmonitoring im Überlaufbereich einer Weiche, einer Kreuzung oder einer Kreuzungsweiche eines Schienenverkehrsweges bekannt. Hierbei werden am starren Herzstück oder dem Kreuzungspunkt Schwingungsbeschleunigun¬ gen des Herzstückes oder des Kreuzungspunktes an mindestens einem Ort des Herzstückes oder Kreuzungspunktes in mindestens einer Raumrichtung gemes¬ sen, die durch die Überfahrt eines Fahrzeuges über das Herzstück/den Kreu¬ zungspunkt erzeugt werden. Bei diesem Verfahren wird somit der Verschleiß von Bauteilen direkt an den entsprechenden Bauteilen der Weiche, Kreuzung oder Kreuzungsweiche ermittelt. Sollen nacheinander mehrere verschiedene Weichen, Kreuzungen oder Kreuzungsweichen untersucht werden, so muss die entsprechende Messvorrichtung durch Messpersonal bei der einen Weiche, Kreuzung oder Kreuzungsweiche demontiert, zur nächsten Weiche, Kreuzung Q leads, so that in particular a measurement of frogs after Regelinspek¬ functions only when they are already visually conspicuous. Visual assessments of rule inspections can only adequately describe the actual wear of turnouts, crossings or intersection points. As the prior art it is known that a diagnosis of switches, frogs and crossings by a visual inspection and assessment according to methods of the in-line regulation DS 820.06 05 B5 and BN 821.2005 standard is performed. These are manual measuring methods with rulers, measuring gauges, measuring cords, measuring wedges, mirrors and feeler gauges. In particular, ramp characteristics are determined at the heart, a flatness and direction of the rails checked and determined an altitude of the heart and the wing rails. For this purpose, a personal effort of 3 people, a time of up to about half an hour and a sometimes very space-consuming 8-piece measuring equipment required. Furthermore, this provides only geometrical data on the state of wear at the frog and wing rail at the time of measurement without further statements about the associated upper and lower construction. Similarly, threshold cavities are not recognized and have not been recorded with any system to date. Disadvantage of this solution is therefore in particular a large personal and zeitli¬ cher measurement effort, ie, rare and only insufficient description of tat¬ sächlichen wear and functional condition. Predicting and arranging timely maintenance appointments are therefore difficult. Intervention threshold values, in particular for the overflow area, have hitherto been missing. From DE 10 2004 014 282 a method and a device for diagnosis and condition monitoring in the overflow area of a switch, an intersection or a crossroads of a railroad track is known. In this case, vibration accelerations of the frog or of the crossing point are measured on at least one location of the frog or crossing point in at least one spatial direction, which are generated by the passage of a vehicle over the frog / crossing point at the rigid frog or intersection. In this method, the wear of components is thus determined directly on the corresponding components of the switch, intersection or intersection. If several different turnouts, intersections or crossing points are to be examined in succession, the corresponding measuring device must be dismantled by measuring personnel at the one turnout, crossing or intersection point, to the next turnout, intersection Q
oder Kreuzungsweiche transportiert und dort montiert werden. Eine Diagnose mehrerer verschiedener Weichen, Kreuzungen oder Kreuzungsweichen nach¬ einander ist somit mit einem größeren zeitlichen und personellen Aufwand ver¬ bunden. Aus DE 195 80 680 T2 ist eine mobile Nachführungseinheit zum Detektieren von Defektzuständen in Schienenfahrzeugen und Gleiswegen bekannt. Die mo¬ bile Nachführungseinheit umfasst eine Rotationsmesseinheit zur Ermittlung der Drehgeschwindigkeit eines Radsatzes, einen Bewegungssensor insbesondere in Form eines Beschleunigungsaufnehmers, einen Datenprozessor, einen Navi- gationssatz sowie einen Sender zum Übermitteln ermittelter Daten an eine Auswertezentrale. Nachteilig ist hierbei jedoch, dass zum Detektieren von De¬ fektzuständen eine spezielle mobile Nachführungseinheit erforderlich ist, d.h. ein spezielles Fahrzeug, das einem Schienenfahrzeug nachgeführt werden muss. Es ist somit Aufgabe der Erfindung, ein Verfahren und eine Vorrichtung bereit¬ zustellen, mit dem mit geringem Aufwand eine Bewertung des Gesamtsystems Weiche, Kreuzung oder Kreuzungsweiche sowie Schienenstößen und Gleisin¬ homogenitäten noch vor einer visueller Auffälligkeit durchgeführt werden kann ohne die Nachteile des Standes der Technik aufzuweisen. Diese Aufgabe wird erfindungsgemäß für das Verfahren durch die in Anspruch 1 angegebenen Merkmale sowie für die Vorrichtung durch die in Anspruch 6 angegebenen Merkmale gelöst.or crossover and transported there. A diagnosis of several different switches, crossings or crossroads nach¬ each other is therefore ver¬ bound with a greater time and effort. DE 195 80 680 T2 discloses a mobile tracking unit for detecting defect states in rail vehicles and rail tracks. The mobile tracking unit comprises a rotation measuring unit for determining the rotational speed of a wheel set, a motion sensor, in particular in the form of an acceleration pickup, a data processor, a navigation set and a transmitter for transmitting determined data to an evaluation center. The disadvantage here, however, is that a special mobile tracking unit is required for detecting defect states, i. a special vehicle that needs to track a rail vehicle. It is therefore the object of the invention to provide a method and a device with which, with little effort, an evaluation of the entire system of points, intersections or crossroads as well as rail joints and track homogeneities can be carried out before a visual conspicuity without the disadvantages of the prior art Technology. This object is achieved for the method by the features specified in claim 1 and for the device by the features specified in claim 6.
Anspruch 1 gibt ein Verfahren an zur Diagnose und Zustandsmonitoring einer Weiche und/oder einer Kreuzung und/oder einer Kreuzungsweiche sowie von Schienenstößen und Gleisinhomogenitäten eines Schienenverkehrsweges. Hierbei werden bei Überfahrt eines Schienenfahrzeuges über die Weiche, Kreuzung oder Kreuzungsweiche sowie Schienenstößen oder Gleis¬ inhomogenitäten an mindestens einem Bauteil des Schienenfahrzeuges Schwingungsbeschleunigungen in mindestens einer Raumrichtung gemessen und abgespeichert, die an dem Bauteil des Schienenfahrzeuges durch die Überfahrt des Schienenfahrzeuges über die Weiche, Kreuzung oder Kreuzungs¬ weiche sowie Schienenstöße und Gleisinhomogenitäten erzeugt werden.Claim 1 specifies a method for the diagnosis and condition monitoring of a switch and / or intersection and / or a crossroads and of rail joints and track inhomogeneities of a railroad track. In this case, when crossing a rail vehicle on the switch, intersection or crossing points and rail joints or Gleis¬ inhomogeneities on at least one component of the rail vehicle vibration accelerations in at least one spatial direction measured and stored at the component of the rail vehicle by the crossing of the rail vehicle on the switch, crossing or crossing soft as well as rail joints and track inhomogeneities are generated.
Erfindungsgemäß werden somit insbesondere Schwingungsbeschleunigungen bei Überfahrten eines Schienenfahrzeuges gemessen und ortsgenau beurteilt. Diese stehen in einem direkten Zusammenhang mit dem Verschleiß undAccording to the invention, in particular, 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 tear
Funktionszustand der Weiche, Kreuzung oder Kreuzungsweiche, „Functional state of the switch, crossing or crossroads, "
Schienenstoßes und Gleisinhomogenitäten, da ansteigende Schwingungs¬ beschleunigungen insbesondere durch anwachsende Abweichungen deren Geometrie von ihrer Sollform und deren Lage von ihrer Solllage hervorgerufen werden. Insbesondere ein Überrollen eines Eisenbahnrades über die Herzstücklücke bei starren Herzstücken geschieht demzufolge mit zunehmendem Verschleiß immer „unsanfter". Gleichzeitig bedeuten hohe Schwingungsbeschleunigungen hohe Energieeinträge in einzelne Bauteile der Weiche, Kreuzung oder Kreuzungsweiche sowie des Schienenstoßes und Gleisinhomogenitäten die ein Voranschreiten des Verschleißes noch zusätzlich fördern und beschleunigen.Rail joint and track inhomogeneities, as rising Schwingungs¬ accelerations are caused in particular by increasing deviations of their geometry from their nominal shape and their location from their desired position. In particular, rolling over a rail wheel over the frog gap in rigid frogs always occurs with increasing wear., At the same time high vibration accelerations high energy inputs into individual components of the switch, intersection or intersection and the rail joint and track inhomogeneities promote the progression of wear and accelerate.
Das Überrollen von konstruktionsbedingten Unstetigkeiten der Weiche, Kreuzung oder Kreuzungsweiche, des Schienenstoßes und Gleisinhomo¬ genitäten erzeugt mit deren zunehmendem Verschleiß bzw. schlechter Einstellung, sich charakteristisch verändernde Werte einer Schwingungs- beschleunigung an einem Rad oder Radsatz des überrollenden Fahrzeuges. Diese Schwingungsbeschleunigungen breiten sich entsprechend konstruktions¬ bedingter Dämpfungen der Konstruktion des Fahrzeuges auf das gesamte Fahrzeug aus. So erzeugen anwachsende Abweichungen der Geometrie, von Einstellungen und Befestigungen von Bauteilen der Weiche, Kreuzung oder Kreuzungsweiche sowie des Schienenstoßes und Gleisinhomogenitäten ansteigende Schwingungsbeschleunigungen im Fahrzeug und umgekehrt.The rollover of design-related discontinuities of the switch, crossing or intersection, the rail joint and Gleisinhomo¬ genitäten generated with their increasing wear or poor setting, characteristically changing values of vibration acceleration on a wheel or wheelset of rolling vehicle. These vibration accelerations propagate according to design-related damping of the construction of the vehicle to the entire vehicle. Thus, increasing deviations in the geometry, of adjustments and fixings of components of the switch, crossing or crossroads as well as of the rail joint and track inhomogeneities cause increasing vibration accelerations in the vehicle and vice versa.
Erfindungsgemäß wird zusätzlich die Geschwindigkeit des Schienenfahrzeuges gemessen und abgespeichert sowie die Befahrrichtung und der Ort der Weiche, Kreuzung oder Kreuzungsweiche sowie des Schienenstoßes und Gleisinhomo- genitäten ermittelt und abgespeichert.According to the invention, 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.
Eine signaltechnische Vorverarbeitung der Messsignale an Bord des Fahrzeuges wird vorteilhaft nachfolgend durchgeführt, so dass nur extrahierte Daten wie Befahrrichtung, Radsatzbeschleunigungen, Fahrgeschwindigkeit, Ortsposition des Zuges über Schnittstellen des Fahrzeuges übertragen werden müssen.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.
Daraufhin wird eine Kontrolle durchgeführt, ob charakteristische, vorgegebene Grenzwerte der gemessenen Schwingungsbeschleunigungen überschritten werden. Für den Fall, dass vorgegebene Grenzwerte der Schwingungsbe¬ schleunigung überschritten werden, wird eine nachfolgende weitergehende Vermessung eines Zustandes von Bauteilen der Weiche, Kreuzung oder Kreuzungsweiche insbesondere gemäß den Vorschriften DS 820 06 05 B5 bzw. BN 824.9005 veranlasst. Besonders vorteilhaft wird eine Messung der Schwingungsbeschleunigung mit Hilfe von Beschleunigungssensoren durchgeführt, die nach Anspruch 2 in der Nähe des Kontaktpunktes von Rad und Schienen, insbesondere nach Anspruch 3 an einem Radsatzlagerdeckel, bzw. nach Anspruch 4 soweit wie möglich am Rad-Schiene-Kontaktpunkt, insbesondere eines besonders dafür ausgewählten Messradsatzes, angebracht sind.Subsequently, a check is made as to whether characteristic, predetermined limit values of the measured vibration accelerations are exceeded. In the event that predetermined limit values of the oscillation acceleration are exceeded, a subsequent further measurement of a state of components of the points, crossing or crossroads is brought about, in particular in accordance with the specifications DS 820 06 05 B5 or BN 824.9005. Particularly advantageously, 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.
Gemäß Anspruch 5 wird zur Bestimmung der Ortsposition des Zuges vorteilhaft eine satellitengestützte Positionsangabevorrichtung, insbesondere GPS, DGPS oder Gallileo verwendet. Hiermit ist vorteilhaft auch eine Positionsangabe auf Strecken möglich, die nicht über Zugleitsysteme verfügen, die dem Schienenfahrzeug seine Position auf der Strecke mitteilen.According to claim 5, 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.
Anspruch 6 gibt eine Vorrichtung zur Durchführung des Verfahrens aus Anspruch 1 an.Claim 6 specifies an apparatus for carrying out the method of claim 1.
Bei Überfahrt eines Schienenfahrzeuges mit einer bestimmten Geschwindigkeit und einer bestimmten Befahrrichtung über die Weiche, Kreuzung oder Kreuzungsweiche, den Schienenstoß oder die Gleisinhomogenität ermittelt mindestens ein Beschleunigungssensor an mindestens einem Bauteil des Schienenfahrzeuges eine Schwingungsbeschleunigung, die das Schienen¬ fahrzeug durch die Überfahrt über das Herzstück oder die Unstetigkeit erzeugt. Die Beschleunigungssensoren ermitteln die Schwingungsbeschleunigung entweder lediglich in einer Raumrichtung oder besonders vorteilhaft in mehreren, insbesondere allen drei zueinander senkrechten Raumrichtungen. Zusätzlich können auch spezielle Beschleunigungssensoren zur Ermittlung von Dreh- und/oder Nickbewegungen an mindestens einem Bauteil des Schienenfahrzeuges verwendet werden.When crossing a rail vehicle with a certain speed and a certain direction of travel on the switch, intersection or intersection, 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 creates the discontinuity. 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. In addition, special acceleration sensors can be used to determine rotational and / or pitching movements on at least one component of the rail vehicle.
Als Beschleunigungssensor werden hierbei nach Anspruch 6 insbesondere piezoelektrische Beschleunigungsaufnehmer verwendet. Diese zeichnen sich durch ein geringes Gewicht, eine kompakte Bauform sowie ihre Robustheit und Langlebigkeit aus. Eine Geschwindigkeitsmessvorrichtung ermittelt die Geschwindigkeit des Schienenfahrzeuges. Hierbei wird insbesondere eine im Schienenfahrzeug vorhandene Geschwindigkeitsmessvorrichtung verwendet, die auch dem Fahrzeugführer die Geschwindigkeit anzeigt. Alternativ ist insbesondere ein Einsatz von Radar-, Ultraschall oder Lasermessgeräten möglich. Eine Ortungsvorrichtung ermittelt den Ort der vermessenen Weiche, Kreuzung oder Kreuzungsweiche sowie Schienenstöße und Gleisinhomogenitäten so dass Λ In particular, piezoelectric acceleration transducers are used as the acceleration sensor according to claim 6. 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. In this case, a speed measuring device which is present in the rail vehicle is used in particular, which also displays the speed to the vehicle driver. Alternatively, in particular a use of radar, ultrasonic or laser measuring devices is possible. A locating device determines the location of the measured switch, intersection or intersection, as well as rail joints and track inhomogeneities such that Λ
eine örtliche Zuordnung der ermittelten Schwingungsbeschleunigungen zu der entsprechenden vermessenen Weiche, Kreuzung oder Kreuzungsweiche, Schienenstoßes und Gleisinhomogenität erfolgen kann. Vorteil ist hierbei, dass bei Auftreten von Unregelmäßigkeiten oder Überschreitung charakteristischer, vorgegebener Grenzwerte der Schwingungsbeschleunigung Wartungspersonal zielgenau zu der entsprechenden auffälligen Weiche, Kreuzung oder Kreuzungsweiche, Schienenstoßes und Gleisinhomogenität geführt wird. Als Ortungsvorrichtung wird vorteilhaft eine im Schienenfahrzeug vorhandene Positionsangabe des Schienenfahrzeuges verwendet in Verbindung mit der Position der Beschleunigungsaufnehmer innerhalb des Schienenfahrzeuges. Diese Positionsangabe des Schienenfahrzeuges erfolgt insbesondere über Zugleitsysteme der befahrenen Strecke, die dem Schienenfahrzeug seine Position auf der Strecke mitteilen, insbesondere eine Linienzugbeeinflussung (LZB) oder ein European Train Control System (ETCS), oder über eine satellitengestützte Positionsangabevorrichtung aus Anspruch 5.a local assignment of the determined vibration accelerations to the corresponding measured turnout, crossing 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. As locating device advantageously 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 Linienzugbeeinflussung (LZB) or a European Train Control System (ETCS), or via a satellite-based position indicating device of claim 5.
Besonders vorteilhaft wird eine Ortungsvorrichtung verwendet, die zusätzlich zu einer Positionsangabe auch eine Angabe der Geschwindigkeit und der Befahrrichtung des Schienenfahrzeuges liefert, wie dies insbesondere bei einer satellitengestützte Positionsangabevorrichtung möglich ist. Hierdurch wird die Geschwindigkeitsmessvorrichtung und die Ortungsvorrichtung in einer einzigen Vorrichtung vereinigt, so dass sich eine separate Geschwindigkeitsmess¬ vorrichtung erübrigt.Particularly advantageously, a location device is used 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. As a result, the speed measuring device and the locating device are combined in a single device, so that a separate speed measuring device is unnecessary.
Eine Datenerfassungsanlage bereitet die Messsignale der Beschleunigungs¬ sensoren, der Geschwindigkeitsmessvorrichtung sowie der Ortungsvorrichtung auf, speichert diese insbesondere elektronisch oder magnetisch ab und wertet sie entsprechend aus. Desweiteren kontrolliert die Datenerfassungsanlage, ob charakteristische, vorgegebene Grenzwerte überschritten werden. Werden vor¬ gegebene Grenzwerte überschritten, wird mit Hilfe der Datenerfassung eine nachfolgende, weitergehende Vermessung des Zustandes der Weiche, Kreuzung oder Kreuzungsweiche insbesondere gemäß den Vorschriften DS 820 06 05 B5 bzw. BN 824.9005 veranlasst. Somit ist eine unterstützende Nutzung von herkömmlichen Messmitteln erst dann erforderlich, wenn die erfindungsge¬ mäße Vorrichtung einen „Wartungsbedarf" detektiert bzw. das Regelwerk die¬ ses verlangt Vorteile des erfindungsgemäßen Verfahrens und der erfindungsgemäßen Vor¬ richtung liegen insbesondere bei der Diagnose und Zustandsmonitoring einer Weiche, Kreuzung oder Kreuzungsweiche, Schienenstoßes und Gleisinhomo- ,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. Furthermore, the data acquisition system checks whether characteristic, specified limit values are exceeded. If preset limit values are exceeded, a subsequent, more extensive measurement of the state of the points, crossing or intersection points is initiated with the aid of data acquisition, in particular in accordance with the specifications DS 820 06 05 B5 or BN 824.9005. Thus, a supportive use of conventional measuring means is only necessary if the erfindungsge¬ Permitted device detects a "need for maintenance" or the rules die¬ ses demands advantages of the method and the invention Vor¬ direction are in particular in the diagnosis and condition monitoring of a switch , Intersection or intersection, rail joint and track homo- .
genitäten zwischen Regelinspektionen oder Wartungsarbeiten. Hierbei wird ei¬ ne erste genauere Aussage über den Zustand der Weiche, Kreuzung oder Kreuzungsweiche durch eine schnelle und einfache Prüfung getroffen. Es wird somit besonders frühzeitig ein Verschleiß festgestellt und aus dessen Daten ein notwendiger Instandhaltungstermin und Instandhaltungsaufwand prognostiziert, wodurch insbesondere bessere Mittelplanbarkeit und eine Optimierung der Le¬ benszykluskosten gewährleistet wird. Zusätzlich besteht die Möglichkeit einer Vergleichbarkeit mit früheren Messwerten.between regular inspection or maintenance. Here, a first more precise statement about the state of the switch, crossing or intersection is made by a quick and simple check. Thus, 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 budgetability and an optimization of the life cycle costs. In addition, there is the possibility of comparability with previous measured values.
Besonders vorteilhaft - ist durch die Erfindung insbesondere bei einem vollautomatischen Mess- und Auswerteablauf kein Personal- und kein Zeitaufwand erforderlich, werden durch die Erfindung aktuelle automatische Trendanalyen ermöglicht, kann durch die Erfindung ein Inspektionsaufwand vor Ort angepasst, opti¬ miert und reduziert werden, - wird durch die Erfindung ein Fahrkomfort für Reisende erhöht, können Schallemissionen gesenkt werden.Particularly advantageous - no personnel and no time is required by the invention, especially in a fully automatic measurement and evaluation process, the invention enables current automatic trend analysis, can be adapted by the invention, an inspection effort on site, optimized and reduced, is increased by the invention, a ride comfort for travelers, noise emissions can be reduced.
Es ist vorgesehen, dass auch entsprechend ausgestattete Regelzüge mit handelsüblichen Radsätzen (bei entsprechender signaltechnischen Berück¬ sichtigung) diese Messaufgabe übernehmen.It is envisaged that also suitably equipped control trains with standard wheelsets (with appropriate signal technology Berück¬ account) take this measurement task.
Die Erfindung wird nachstehend anhand eines Ausführungsbeispiels und einer Zeichnung mit einer Figur näher erläutert. Die Zeichnung zeigt inThe invention is explained below with reference to an embodiment and a drawing with a figure. The drawing shows in
Fig. 1 schematisch ein Schienenfahrzeug mit einer erfindungsgemäßen Messvorrichtung, das eine Unstetigkeit einer Schiene überfährt.Fig. 1 shows schematically a rail vehicle with a measuring device according to the invention, which runs over a discontinuity of a rail.
Ein besonders vorteilhaftes Ausführungsbeispiel betrifft gemäß Fig. 1 ein Schienenfahrzeug 1 , das eine Unstetigkeit 3 einer Schiene 2 überfährt. Die Un¬ stetigkeit 3 der Schiene 2 stellt hierbei beispielhaft eine Herzstücklücke einer Weiche mit einem starren Herzstück dar.A particularly advantageous embodiment relates to FIG. 1, a rail vehicle 1, which passes over a discontinuity of a 3 rail 2. The discontinuity 3 of the rail 2 in this case represents by way of example a heart gap of a switch with a rigid core.
Bei Überfahrt des Schienenfahrzeuges mit einer bestimmten Geschwindigkeit und einer bestimmten Befahrrichtung über die Unstetigkeit 3 ermittelt ein Beschleunigungssensor 4, der an einem Radsatzlagerdeckel 5 angebracht ist (bzw. so nah wie möglich in Kontaktpunktnähe von Rad und Schienen), Schwingungsbeschleunigungen, die das Schienenfahrzeug durch die Überfahrt erfährt. Zusätzlich ermittelt eine Ortungsvorrichtung 7, insbesondere eine o When crossing the rail vehicle at a certain speed and a certain direction of driving on the discontinuity 3, 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, which the rail vehicle through the Crossing experiences. In addition, a locating device 7, in particular a O
satellitengestützte Positionsangabevorrichtung die Position, die Geschwin¬ digkeit und die Befahrrichtung des Schienenfahrzeuges.satellite-based position indicating device the position, the Geschwin¬ speed and the direction of travel of the rail vehicle.
Eine Datenerfassungsanlage 6 führt eine Signalaufbereitung und Signalspei- cherung der Messsignale des Beschleunigungssensors 4 sowie der Ortungsvor- richtung 7 durch und wertet sie entsprechend aus. Desweiteren kontrolliert die Datenerfassungsanlage 6, ob charakteristische, vorgegebene Grenzwerte der Schwingungsbeschleunigung überschritten werden. Werden die vorgegebenen Grenzwerte überschritten, veranlasst die Datenerfassungsanlage 6 eine nach¬ folgende weitergehende Vermessung einer Lage und eines Zustandes von Bau- teilen der Weiche, insbesondere gemäß den Vorschriften DS 820 06 05 B5 bzw. BN 824.9005. Daraufhin werden ermittelte verschlissene Bauteile gewartet und eine erneute erfindungsgemäße Überprüfung durchgeführt, mit der eine Qualität einer Bauteilwartung überprüft und kontrolliert wird. 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 initiates a subsequent further measurement of a position and a state of components of the points, in particular in accordance with the specifications 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.
yy
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Schienenfahrzeug1 rail vehicle
2 Schiene2 rail
3 Unstetigkeit der Schiene 4 Beschleunigungssensor3 discontinuity of the rail 4 acceleration sensor
5 Radsatzlagerdeckel5 wheelset bearing cover
6 Datenerfassungsanlage6 data acquisition system
7 Ortungsvorrichtung 7 locating device

Claims

Patentansprüche claims
1 . Verfahren zur Diagnose und Zustandsmonitoring einer Weiche und/oder einer Kreuzung und/oder einer Kreuzungsweiche und/oder eines Schienenstoßes und/oder von Gleisinhomogenitäten eines Schienen¬ verkehrsweges, dadurch gekennzeichnet, dass bei Überfahrt eines Schienenfahrzeuges über die Weiche, Kreuzung, Kreuzungsweiche, den Schienenstoß oder die Gleisinhomogenität1 . Method for the diagnosis and condition monitoring of a switch and / or a crossing and / or a crossroads and / or a rail joint and / or track inhomogeneities of a Schienen¬ traffic route, characterized in that when crossing a rail vehicle on the switch, intersection, intersection, the rail joint or the track homogeneity
an mindestens einem Bauteil des Schienenfahrzeuges Schwingungsbe- schleunigungen in mindestens einer Raumrichtung gemessen und abge¬ speichert werden, die an dem Bauteil des Schienenfahrzeuges durch die Überfahrt des Schienenfahrzeuges über die Weiche, Kreuzung, Kreuzungsweiche, den Schienenstoß oder die Gleisinhomogenität er¬ zeugt werden, - die Geschwindigkeit des Schienenfahrzeuges gemessen und abgespei¬ chert und die Befahrrichtung ermittelt und abgespeichert wird, der Ort der Weiche, Kreuzung, Kreuzungsweiche, des Schienenstoßes oder der Gleisinhomogenität ermittelt und abgespeichert wird, eine Kontrolle durchgeführt wird, ob charakteristische, vorgegebene Grenzwerte der gemessenen Schwingungsbeschleunigungen überschrit¬ ten werden und für den Fall, dass vorgegebene Grenzwerte der Schwin¬ gungsbeschleunigung überschritten werden, eine nachfolgende weiter¬ gehende Vermessung eines Zustandes von Bauteilen der Weiche, Kreuzung, Kreuzungsweiche, des Schienenstoßes oder der Gleisinhomo- genitäten veranlasst wird.on at least one component of the rail vehicle, vibration accelerations are measured and stored in at least one spatial direction, which are generated on the component of the rail vehicle by the crossing of the rail vehicle via the switch, intersection, intersection switch, rail joint or track inhomogeneity, the speed of the rail vehicle is measured and stored and the direction of travel is determined and stored, the location of the switch, intersection, intersection, rail joint or track inhomogeneity is determined and stored, a check is made as to whether characteristic, predetermined limit values of the measured vibration accelerations exceed And, in the event that predetermined limit values of the vibration acceleration are exceeded, a subsequent further measurement of a state of components of the switch, intersection, crossing switch, rail joint or the like r of the track homogeneity.
2. Verfahren zur Diagnose und Zustandsmonitoring nach Anspruch 1 , dadurch gekennzeichnet, dass die Messung von Schwingungsbeschleunigungen in der Nähe des Kontaktpunktes von Rad und Schienen durchgeführt wird.2. Method for diagnosis and condition monitoring according to claim 1, characterized in that the measurement of vibration accelerations in the vicinity of the contact point of the wheel and rails is performed.
3. Verfahren zur Diagnose und Zustandsmonitoring nach Anspruch 2, dadurch gekennzeichnet, dass die Messung von Schwingungsbeschleunigungen im Bereich eines Radsatzlagerdeckels des Schienenfahrzeuges durchgeführt wird. 3. A method for diagnosis and condition monitoring according to claim 2, characterized in that the measurement of vibration acceleration in the range of a Radsatzlagerdeckels of the rail vehicle is performed.
4. Verfahren zur Diagnose und Zustandsmonitoring nach mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Messung von Schwingungsbeschleunigungen an einem Eisenbahnrad im Bereich eines Rad-Schiene-Kontaktpunktes durchgeführt wird.4. Method for diagnosis and condition monitoring according to at least one of claims 1 to 3, characterized in that the measurement of vibration acceleration is performed on a railway wheel in the region of a wheel-rail contact point.
5. Verfahren zur Diagnose und Zustandsmonitoring nach mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Ort der Weiche, Kreuzung, Kreuzungsweiche, des Schienenstoßes oder der Gleisinhomogenität durch eine satellitengestützte5. A method for diagnosis and condition monitoring according to at least one of claims 1 to 4, characterized in that the location of the switch, intersection, intersection, the rail joint or the track inhomogeneity by a satellite-based
Positionsangabevorrichtung ermittelt wird.Position indicating device is determined.
6. Vorrichtung zur Diagnose und Zustandsmonitoring einer Weiche und/oder einer Kreuzung und/oder einer Kreuzungsweiche und/oder eines Schienenstoßes und/oder von Gleisinhomogenitäten eines Schienen¬ verkehrsweges, dadurch gekennzeichnet, dass bei Überfahrt eines Schienenfahrzeuges über die Weiche, Kreuzung, Kreuzungsweiche, den Schienenstoß oder die Gleisinhomogenität6. A device for diagnosis and condition monitoring of a switch and / or crossing and / or a crossing switch and / or rail joint and / or track inhomogeneities of a Schienen¬ traffic route, characterized in that when crossing a rail vehicle on the switch, crossing, intersection, the rail joint or the track inhomogeneity
mindestens ein Beschleunigungssensor an mindestens einem Bauteil des Schienenfahrzeuges angeordnet ist, eine Geschwindigkeitsmess- und eine Ortungsvorrichtung im Schienen¬ fahrzeug angeordnet ist, - eine im Schienenfahrzeug angeordnete Datenerfassungsanlage Mess¬ signale der Beschleunigungssensoren, der Geschwindigkeitsmessvor¬ richtung und der Ortungsvorrichtung aufbereitet, abspeichert und aus¬ wertet.at least one acceleration sensor is arranged on at least one component of the rail vehicle, a speed measuring and a locating device is arranged in the rail vehicle, a data acquisition system arranged in the rail vehicle processes, stores and outputs measuring signals of the acceleration sensors, the speed measuring device and the locating device evaluates.
7. Vorrichtung zur Diagnose und Zustandsmonitoring nach Anspruch 5, dadurch gekennzeichnet, dass der Beschleunigungssensor als piezoelektrischer Beschleunigungsaufnehmer ausgeführt ist. 7. Device for diagnosis and condition monitoring according to claim 5, characterized in that the acceleration sensor is designed as a piezoelectric accelerometer.
EP05738201A 2004-09-20 2005-05-04 Diagnosis and state monitoring of junctions, crossings or crossroads and rail joints by means of a rail vehicle Active EP1791748B1 (en)

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DE502005005563D1 (en) 2008-11-13
WO2006032307A1 (en) 2006-03-30
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EP1791748B1 (en) 2008-10-01
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CA2580573C (en) 2010-10-12
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US7539596B2 (en) 2009-05-26
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