EP1520075B1 - Device for measuring the subsidence or settlement of a railway superstructure on railway tracks - Google Patents
Device for measuring the subsidence or settlement of a railway superstructure on railway tracks Download PDFInfo
- Publication number
- EP1520075B1 EP1520075B1 EP03739841A EP03739841A EP1520075B1 EP 1520075 B1 EP1520075 B1 EP 1520075B1 EP 03739841 A EP03739841 A EP 03739841A EP 03739841 A EP03739841 A EP 03739841A EP 1520075 B1 EP1520075 B1 EP 1520075B1
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- EP
- European Patent Office
- Prior art keywords
- sensor
- track
- superstructure
- distance
- measuring
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- 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.)
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/12—Applications of measuring apparatus or devices for track-building purposes for measuring movement of the track or of the components thereof under rolling loads, e.g. depression of sleepers, increase of gauge
Definitions
- the invention relates to a device for measuring the reduction or settlement of the track superstructure of railway tracks.
- the track superstructure serves as a roadway, where he should transfer the loads of the railway vehicles on the substructure and run the railway vehicles.
- the superstructure here consists of rails, sleepers and the bedding, the bedding is usually designed as a ballast bed.
- the bedding is now subject to subsidence under the influence of the rolling load, so that local subsidence of the rails can be observed together with the sleepers.
- Such lowering is undesirable for safety reasons, and therefore, continuous track inspection must be made in order to timely initiate maintenance operations such as plugging the track.
- DE PS 816440 shows a mechanical device consisting of a first part, which is vertically adjustable under the action of the vertical displacement of the threshold or the rail and a second relative to the ballast bed fixed part, wherein the adjustment of the displaceable part relative to the fixed part a slider or a system of slides is measured.
- a device has the disadvantage that the surface of the ballast bed is used as a reference point for the measurement of the lowering of the thresholds, so that the settlement of the ballast bed itself, which can be caused for example by a compaction of the ballast bed, is not detected.
- the measurement accuracy of this device is subject to a number of external influences, such as the environmental impact caused change of the ballast bed surface at the measurement or reference point, so at best relative shifts the threshold when crossing the rolling load under any circumstances absolute values can be measured.
- EP-A-0 962 747 discloses an arrangement according to the preamble of claim 1.
- the present invention now aims to provide a device for measuring the reduction or settlement of the track superstructure of railway tracks, which can be integrated in a simple manner in existing diagnostic systems for monitoring the condition of a track and a continuous measurement of the reduction or settlement allows the track and their measured data collected in an evaluation circuit set maintenance intervals.
- the monitoring device must be able to detect not only momentary countersinks when driving over the respectively monitored track section, which are caused by a reversible elastic deformation of the superstructure, but in particular also permanent and irreversible subsidence, which occur over a longer period.
- the invention essentially consists in that a contactless distance sensor is provided which detects the distance to a measurement object, wherein one of the two parts sensor and measurement object with a stationary part of the track substructure and the other part with a part of the Superstructure is rigidly connected.
- a contactless distance sensor is provided which detects the distance to a measurement object, wherein one of the two parts sensor and measurement object with a stationary part of the track substructure and the other part with a part of the Superstructure is rigidly connected.
- a non-contact distance sensor is provided, a subsequent assembly on the existing railway body or existing switch systems is facilitated, in addition, the susceptibility is reduced in comparison to mechanically operated distance measuring devices.
- the distance sensor itself or the measurement object whose distance to the distance sensor is to be detected is rigidly connected to the stationary part of the track substructure or to the superstructure.
- the arrangement is preferably made such that the distance sensor with the stationary part of the substructure and the object to be measured rigidly connected to a part of the superstructure is.
- the distance sensor is stored stationary and stationary, so that its functionality is not affected by the vibrations or subsidence during the travel of the rolling load.
- a particularly robust distance sensor is in this case achieved in that, as it corresponds to a preferred development, the sensor is designed as an inductive sensor and with one with the rails or the Threshold-connected damping plate interacts as a measurement object.
- reliable measurement results are achieved, which are also not affected by the effects of weather, such as, for example, between sensor and baffle plate reaching leaves or snow.
- the damping plate can in this case be connected to the track superstructure, the lowering or settlement is to be connected to the rails or the thresholds, wherein in the region of a switch preferably an arrangement can be made on the housing of the points drive.
- the senor is therefore arranged on a concrete foundation and in the region of a switch, in particular on the foundation of a switch pit.
- the senor is preferably connected to an evaluation device, in which the distance measured values continuously supplied by the sensor during the passage of the track are stored and evaluated.
- an evaluation device in which the data supplied by a plurality of measuring devices at a plurality of measuring points can be summarized, so that the condition of the track or the ballast bed can be assessed continuously over a longer track section.
- the type of evaluation here can be adapted to the respective requirements, wherein, for example, a fixed limit value for the maximum allowable lowering or setting of the track superstructure can be specified and a warning signal is output when this limit value is exceeded.
- the evaluation device has a minimum value memory in which the smallest value of the distance determined when driving on the track is stored, wherein changes in the measured smallest value and at least one limit value for the smallest distance are compared with one another and when exceeded This limit value is generated a maintenance signal.
- This example shows the installation of the device according to the invention in the region of a switch.
- the foundation of the switch pit is designated 1 and serves as a fixed and stationary reference point for the measurement of the distance of the foundation 1 arranged inductive sensor 2 from the track superstructure.
- the track superstructure is in this case subjected during the crossing of the rolling load movements according to the double arrow 3 and long-term settlement according to the arrow 4.
- the points drive 5 is now rigidly connected in the area of the switch, which is firmly anchored, for example, in a trough threshold, so that the points drive 5 also moves according to the arrows 3 and 4.
- With the switch drive 5 is now a Bedämpfungsblech 6 rigidly connected, which cooperates with the inductive sensor 2, so that the sensor 2 provides a dependent on the distance a sensor current.
Abstract
Description
Die Erfindung betrifft eine Einrichtung zur Messung der Absenkung bzw. Setzung des Gleisoberbaues von Eisenbahngleisen.The invention relates to a device for measuring the reduction or settlement of the track superstructure of railway tracks.
Bei Eisenbahngleisen dient der Gleisoberbau als Fahrbahn, wobei er die Lasten der Eisenbahnfahrzeuge auf den Unterbau übertragen und die Eisenbahnfahrzeuge führen soll. Der Oberbau besteht hierbei aus Schienen, Schwellen und der Bettung, wobei die Bettung zumeist als Schotterbett ausgebildet ist. Die Bettung ist nun unter dem Einfluss der rollenden Last Setzungen unterworfen, sodass örtliche Absenkungen der Schienen gemeinsam mit den Schwellen zu beobachten sind. Derartige Absenkungen sind aus Sicherheitsgründen jedoch unerwünscht und es muss daher eine laufende Kontrolle des Gleises vorgenommen werden, um Instandhaltungsmaßnahmen, wie beispielsweise das Nachstopfen des Gleises, rechtzeitig zu veranlassen.In railway tracks, the track superstructure serves as a roadway, where he should transfer the loads of the railway vehicles on the substructure and run the railway vehicles. The superstructure here consists of rails, sleepers and the bedding, the bedding is usually designed as a ballast bed. The bedding is now subject to subsidence under the influence of the rolling load, so that local subsidence of the rails can be observed together with the sleepers. However, such lowering is undesirable for safety reasons, and therefore, continuous track inspection must be made in order to timely initiate maintenance operations such as plugging the track.
Einrichtungen zur Messung der Senkung der Schwellen von Eisenbahngleisen sind bereits bekannt geworden. Beispielsweise zeigt die DE PS 816440 eine mechanische Einrichtung bestehend aus einem ersten Teil, der unter der Einwirkung der lotrechten Verschiebung der Schwelle oder der Schiene lotrecht verstellbar ist und einem zweiten gegenüber dem Schotterbett feststehenden Teil, wobei die Verstellung des verschiebbaren Teiles gegenüber dem festen Teil durch einen Schieber oder ein System von Schiebern gemessen wird. Eine derartige Einrichtung hat jedoch den Nachteil, dass als Bezugspunkt für die Messung der Absenkung der Schwellen die Oberfläche des Schotterbettes herangezogen wird, sodass die Setzung des Schotterbettes selbst, welche beispielsweise durch eine Verdichtung des Schotterbettes hervorgerufen werden kann, nicht erfasst wird. Zudem ist die Messgenauigkeit dieser Einrichtung einer Reihe von externen Einflüssen unterworfen, wie beispielsweise die durch Umwelteinflüsse hervorgerufene Veränderung der Schotterbettoberfläche am Mess- bzw. Bezugspunkt, sodass bestenfalls Relativverschiebungen der Schwelle beim Überfahren der rollenden Last keinesfalls aber absolute Werte gemessen werden können.Facilities for measuring the lowering of railway track sleepers have already become known. For example, DE PS 816440 shows a mechanical device consisting of a first part, which is vertically adjustable under the action of the vertical displacement of the threshold or the rail and a second relative to the ballast bed fixed part, wherein the adjustment of the displaceable part relative to the fixed part a slider or a system of slides is measured. However, such a device has the disadvantage that the surface of the ballast bed is used as a reference point for the measurement of the lowering of the thresholds, so that the settlement of the ballast bed itself, which can be caused for example by a compaction of the ballast bed, is not detected. In addition, the measurement accuracy of this device is subject to a number of external influences, such as the environmental impact caused change of the ballast bed surface at the measurement or reference point, so at best relative shifts the threshold when crossing the rolling load under any circumstances absolute values can be measured.
Weiters sind Einrichtungen bekannt geworden, bei welchen mit Hilfe von Extensometern die Spannungen im Untergrund gemessen werden und daraus die Setzungsbewegungen errechnet werden. In dem deutschen Gebrauchsmuster DE 29620261 U1 ist darauf aufbauend eine Vorrichtung zur Überwachung von Bodensetzungen bekannt geworden, welche großflächige Messungen mit einer Vielzahl von im Erdboden in wenigstens zwei voneinander verschiedenen Richtungen verlegten Leitungen vornimmt, wobei in einer Auswerteeinrichtung aus der Änderung der Leitfähigkeit der Leitungen ein Höhenprofil errechnet und die Bodensetzungen ermittelt werden.Furthermore, facilities have become known in which with the help of extensometers, the stresses in the ground are measured and from the settlement movements are calculated. In the German utility model DE 29620261 U1 building a device for monitoring of settlements has become known, which makes large-scale measurements with a variety of laid in the ground in at least two mutually different directions lines, wherein in an evaluation of the change in conductivity of the lines Height profile calculated and the settlements are determined.
EP-A-0 962 747 offenbart eine Anordnung gemäß dem Oberbegriff des Anspruchs 1.EP-A-0 962 747 discloses an arrangement according to the preamble of
Die vorliegende Erfindung zielt nun darauf ab eine Einrichtung zur Messung der Absenkung bzw. Setzung des Gleisoberbaues von Eisenbahngleisen zu schaffen, welche in einfacher Art und Weise in bestehende Diagnosesysteme zur Überwachung des Zustandes eines Gleises integriert werden kann und eine kontinuierliche Messung der Absenkung bzw. Setzung des Gleises ermöglicht und deren in einer Auswerteschaltung gesammelten Messdaten Wartungsintervalle festlegen lassen. Zu diesem Zweck muss die Überwachungseinrichtung in der Lage sein nicht nur momentane Ansenkungen beim Überfahren des jeweils überwachten Gleisabschnittes zu erfassen, welche durch eine reversible elastische Verformung des Oberbaues hervorgerufen werden, sondern insbesondere auch dauerhafte und irreversible Absenkungen, welche über einen längeren Zeitraum auftreten.The present invention now aims to provide a device for measuring the reduction or settlement of the track superstructure of railway tracks, which can be integrated in a simple manner in existing diagnostic systems for monitoring the condition of a track and a continuous measurement of the reduction or settlement allows the track and their measured data collected in an evaluation circuit set maintenance intervals. For this purpose, the monitoring device must be able to detect not only momentary countersinks when driving over the respectively monitored track section, which are caused by a reversible elastic deformation of the superstructure, but in particular also permanent and irreversible subsidence, which occur over a longer period.
Zur Lösung dieser Aufgabe besteht die Erfindung im Wesentlichen darin, dass ein berührungslos arbeitender Abstandsensor vorgesehen ist, welcher den Abstand zu einem Messobjekt erfasst, wobei einer der beiden Teile Sensor und Messobjekt mit einem ortsfesten Teil des Gleisunterbaus und der jeweils andere Teil mit einem Teil des Oberbaus starr verbunden ist. Dadurch, dass nun entweder der Abstandsensor selbst oder das Messobjekt, dessen Abstand vom Abstandsensor ermittelt werden soll, mit dem ortsfesten Teil des Gleisunterbaues starr verbunden ist, wird ein absoluter Bezugspunkt für die Messung der Absenkung des Gleisoberbaues herangezogen, welcher eine Vergleichbarkeit der ermittelten Abstandsmesswerte über einen längeren Beobachtungszeitraum hinweg gewährleistet. Der Gleisunterbau hat hierbei die Funktion eines Fundamentes für das Eisenbahngleis und definiert als ortsfester und in seiner Lage unveränderlicher Punkt den Bezugspunkt für die Messung der Absenkung bzw. Setzung des Gleisoberbaues. Dadurch können mit der erfindungsgemäßen Einrichtung nicht nur temporäre Absenkungen, beispielsweise in Form von Durchbiegungen der Schienen oder der Schwellen, erfasst werden, sondern auch dauerhafte Absenkungen des Gleises, welche beispielsweise durch eine Setzung bzw. Verdichtung des Schotterbettes verursacht werden.To achieve this object, the invention essentially consists in that a contactless distance sensor is provided which detects the distance to a measurement object, wherein one of the two parts sensor and measurement object with a stationary part of the track substructure and the other part with a part of the Superstructure is rigidly connected. The fact that now either the distance sensor itself or the measurement object whose distance is to be determined by the distance sensor, with the stationary Part of the track substructure is rigidly connected, an absolute reference point for the measurement of the lowering of the track superstructure is used, which ensures a comparability of the determined distance measured values over a longer observation period. The track substructure here has the function of a foundation for the railway track and defined as stationary and fixed in its position point of reference for the measurement of lowering or setting the track superstructure. As a result, not only temporary depressions, for example in the form of deflections of the rails or the sleepers, can be detected with the device according to the invention, but also permanent lowering of the track, which is caused for example by a settlement or compaction of the ballast bed.
Dadurch, dass erfindungsgemäß ein berührungslos arbeitender Abstandsensor vorgesehen ist, wird eine nachträgliche Montage am bestehenden Bahnkörper oder an bestehenden Weichenanlagen erleichtert, wobei zusätzlich auch die Störanfälligkeit im Vergleich zu mechanisch arbeitenden Abstandsmesseinrichtungen verringert wird. Für die Funktionsweise der erfindungsgemäßen Einrichtung ist es prinzipiell unwesentlich, ob der Abstandsensor selbst oder das Messobjekt, dessen Abstand zum Abstandsensor erfasst werden soll, am ortsfesten Teil des Gleisunterbaues oder mit dem Oberbau starr verbunden ist. Um jedoch den Abstandsensor an einem geschützten Ort unterbringen zu können und die Verlegung der Stromversorgungs- oder Signalkabel zu erleichtern, ist die Anordnung in bevorzugter Weise derart getroffen, dass der Abstandsensor mit dem ortsfesten Teil des Unterbaues und das Messobjekt mit einem Teil des Oberbaues starr verbunden ist. Auf diese Art und Weise wird der Abstandsensor stationär und ortsfest gelagert, sodass seine Funktionstüchtigkeit nicht durch die Vibrationen oder Absenkungen während des Überfahrens der rollenden Last beeinträchtigt wird. Ein besonders robuster Abstandsensor wird hierbei dadurch erreicht, dass, wie es einer bevorzugten Weiterbildung entspricht, der Sensor als induktiver Sensor ausgebildet ist und mit einer mit den Schienen oder den Schwellen verbundenen Bedämpfungsplatte als Messobjekt zusammenwirkt. Dadurch werden zuverlässige Messergebnisse erzielt, welche auch nicht durch Witterungseinflüsse, wie zum Beispiel zwischen Sensor und Bedämpfungsblech gelangendes Laub oder Schnee, beeinträchtigt werden. Die Bedämpfungsplatte kann hierbei am Gleisoberbau, dessen Absenkung bzw. Setzung gemessen werden soll, mit den Schienen oder den Schwellen verbunden sein, wobei im Bereich einer Weiche bevorzugt eine Anordnung am Gehäuse des Weichenantriebes erfolgen kann.Characterized in that according to the invention a non-contact distance sensor is provided, a subsequent assembly on the existing railway body or existing switch systems is facilitated, in addition, the susceptibility is reduced in comparison to mechanically operated distance measuring devices. For the operation of the device according to the invention, it is in principle immaterial whether the distance sensor itself or the measurement object whose distance to the distance sensor is to be detected, is rigidly connected to the stationary part of the track substructure or to the superstructure. However, in order to accommodate the distance sensor in a sheltered location and to facilitate the laying of the power supply or signal cable, the arrangement is preferably made such that the distance sensor with the stationary part of the substructure and the object to be measured rigidly connected to a part of the superstructure is. In this way, the distance sensor is stored stationary and stationary, so that its functionality is not affected by the vibrations or subsidence during the travel of the rolling load. A particularly robust distance sensor is in this case achieved in that, as it corresponds to a preferred development, the sensor is designed as an inductive sensor and with one with the rails or the Threshold-connected damping plate interacts as a measurement object. As a result, reliable measurement results are achieved, which are also not affected by the effects of weather, such as, for example, between sensor and baffle plate reaching leaves or snow. The damping plate can in this case be connected to the track superstructure, the lowering or settlement is to be connected to the rails or the thresholds, wherein in the region of a switch preferably an arrangement can be made on the housing of the points drive.
Wie bereits erwähnt dient als Bezugspunkt zur Abstandsmessung der ortsfeste Gleisunterbau, welcher die Funktion des Fundamentes für den Oberbau übernimmt. Gemäß einer bevorzugten Weiterbildung der erfindungsgemäßen Einrichtung ist der Sensor daher an einem betonierten Fundament und im Bereich einer Weiche insbesondere an dem Fundament einer Weichengrube angeordnet.As already mentioned serves as a reference point for measuring the distance of the fixed track substructure, which takes over the function of the foundation for the superstructure. According to a preferred development of the device according to the invention, the sensor is therefore arranged on a concrete foundation and in the region of a switch, in particular on the foundation of a switch pit.
Um nun eine kontinuierliche Überwachung eines Eisenbahngleises in einer zentralen Kontrollstation vorzunehmen, ist bevorzugt der Sensor mit einer Auswerteeinrichtung verbunden, in welcher die vom Sensor während des Befahrens des Gleises kontinuierlich gelieferten Abstandsmesswerte gespeichert und ausgewertet werden. In einer derartigen Auswerteeinrichtung können die von einer Mehrzahl von Messeinrichtungen an mehreren Messpunkten gelieferten Daten zusammengefasst werden, sodass der Zustand des Gleises bzw. des Schotterbettes über einen längeren Gleisabschnitt laufend beurteilt werden kann. Die Art der Auswertung kann hierbei den jeweiligen Erfordernissen angepasst werden, wobei beispielsweise ein fixer Grenzwert für die maximal zulässige Absenkung bzw. Setzung des Gleisoberbaues vorgegeben werden kann und bei Überschreiten dieses Grenzwertes ein Warnsignal ausgegeben wird. Gemäß einer bevorzugten Weiterbildung weist die Auswerteeinrichtung einen Minimalwertspeicher auf, in welchem der beim Befahren des Gleises ermittelte kleinste Wert des Abstandes gespeichert wird, wobei Änderungen des gemessenen kleinsten Wertes, sowie wenigstens ein Grenzwert für den kleinsten Abstand, miteinander verglichen werden und bei Überschreiten dieses Grenzwertes ein Wartungssignal generiert wird. Bei dieser Art der Auswertung ist eine Trenderkennung bezüglich der Absenkung bzw. Setzung des Gleisoberbaues möglich, sodass die Wartungsintervalle zum Nachstopfen des Gleises in einfacher Art und Weise festlegbar sind und Instandhaltungsmaßnahmen getroffen werden können, bevor die Sicherheit beim Befahren des betreffenden Gleises nicht mehr gewährleistet ist. Die erfindungsgemäße Einrichtung ermöglicht somit eine zentrale und kontinuierliche Kontrolle des Zustandes eines Eisenbahngleises, ohne dass gesonderte Prüffahrten notwendig wären, welche den laufenden Betrieb stören würden.In order to carry out a continuous monitoring of a railway track in a central control station, the sensor is preferably connected to an evaluation device, in which the distance measured values continuously supplied by the sensor during the passage of the track are stored and evaluated. In such an evaluation device, the data supplied by a plurality of measuring devices at a plurality of measuring points can be summarized, so that the condition of the track or the ballast bed can be assessed continuously over a longer track section. The type of evaluation here can be adapted to the respective requirements, wherein, for example, a fixed limit value for the maximum allowable lowering or setting of the track superstructure can be specified and a warning signal is output when this limit value is exceeded. According to a preferred development, the evaluation device has a minimum value memory in which the smallest value of the distance determined when driving on the track is stored, wherein changes in the measured smallest value and at least one limit value for the smallest distance are compared with one another and when exceeded This limit value is generated a maintenance signal. With this type of evaluation, a trend detection with respect to the reduction or settlement of the track superstructure is possible, so that the maintenance intervals for replenishment of the track in a simple manner can be determined and maintenance measures can be taken before the safety when driving on the track is no longer guaranteed , The device according to the invention thus enables a central and continuous control of the condition of a railway track, without the need for separate test drives which would disturb the ongoing operation.
Die Erfindung wird nachfolgend an Hand eines in der Zeichnung schematisch dargestellten Ausführungsbeispieles näher erläutert. In dieser ist beispielhaft der Einbau der erfindungsgemäßen Einrichtung im Bereich einer Weiche gezeigt. Das Fundament der Weichengrube ist mit 1 bezeichnet und dient als unveränderlicher und ortsfester Bezugspunkt für die Messung des Abstandes des am Fundament 1 angeordneten induktiven Sensors 2 vom Gleisoberbau. Der Gleisoberbau ist hierbei während der Überfahrt der rollenden Last Bewegungen gemäß dem Doppelpfeil 3 und langfristig einer Setzung gemäß dem Pfeil 4 unterworfen. Mit dem Oberbau ist im Bereich der Weiche nun starr der Weichenantrieb 5 verbunden, welcher beispielsweise in einer Trogschwelle fest verankert ist, sodass auch der Weichenantrieb 5 sich entsprechend den Pfeilen 3 und 4 mitbewegt. Mit dem Weichenantrieb 5 ist nun ein Bedämpfungsblech 6 starr verbunden, welches mit dem induktiven Sensor 2 zusammenwirkt, sodass der Sensor 2 einen vom Abstand a abhängen Sensorstrom liefert.The invention will be explained in more detail with reference to an embodiment schematically illustrated in the drawing. This example shows the installation of the device according to the invention in the region of a switch. The foundation of the switch pit is designated 1 and serves as a fixed and stationary reference point for the measurement of the distance of the
Claims (5)
- An arrangement comprising railway tracks having a superstructure and a substructure and further comprising a device for measuring the lowering or settling of the superstructure of railway tracks by means of a non-contact distance sensor (2) provided to detect the difference in height of a measuring object relative to a stationary part, characterized in that the sensor (2) is designed as an inductive distance sensor rigidly connected with a stationary part (1) of the substructure of the track when in use and coacts with a damping plate (6) as a measuring object, which is connected with the rails or with the sleepers
- A device according to claim 1, characterized in that the measuring object (6) and, in particular, the damping plate, is arranged on the housing of the switch actuator (5).
- A device according to claim 1 or 2, characterized in that in that the sensor (2) is arranged on a concrete foundation and, in particular, on the foundation (1) of a switch pit.
- A device according to any one of claims 1, 2 or 3, characterized in that the sensor (2) is connected with an evaluation means in which the distance measuring values continuously supplied by the sensor (2) during rolling on the track are stored and evaluated.
- A device according to claim 4, characterized in that the evaluation means comprises a minimum-value memory in which the smallest distance value detected during rolling on the track is stored, that changes in the smallest value measured as well as at least one limit value for the smallest distance are compared with one another, and that a maintenance signal is generated upon exceeding said limit value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT03739841T ATE315131T1 (en) | 2002-07-09 | 2003-06-26 | DEVICE FOR MEASURING THE REDUCTION OR SETTLEMENT OF THE RAILWAY SURFACE |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0103702A AT413114B (en) | 2002-07-09 | 2002-07-09 | DEVICE FOR MEASURING THE REDUCTION OR BZW. SETTING THE RAILING CONSTRUCTION OF RAILWAY RAILS |
| AT10372002 | 2002-07-09 | ||
| PCT/AT2003/000178 WO2004005620A1 (en) | 2002-07-09 | 2003-06-26 | Device for measuring the of the subsidence or settlement of a railway superstructure on railway tracks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1520075A1 EP1520075A1 (en) | 2005-04-06 |
| EP1520075B1 true EP1520075B1 (en) | 2006-01-04 |
Family
ID=30004249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03739841A Expired - Lifetime EP1520075B1 (en) | 2002-07-09 | 2003-06-26 | Device for measuring the subsidence or settlement of a railway superstructure on railway tracks |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1520075B1 (en) |
| AT (2) | AT413114B (en) |
| AU (1) | AU2003281374A1 (en) |
| DE (1) | DE50302131D1 (en) |
| TW (1) | TWI266819B (en) |
| WO (1) | WO2004005620A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636147A (en) * | 2012-03-31 | 2012-08-15 | 铁道第三勘察设计院集团有限公司 | Deformation monitoring method for existing railway line |
| CN104652202A (en) * | 2015-02-13 | 2015-05-27 | 中铁第一勘察设计院集团有限公司 | Measuring device for calibrating high-speed railway track measuring instrument |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004014282C5 (en) * | 2004-03-22 | 2008-06-12 | Db Netz Ag | Diagnosis and condition monitoring in the overflow area of switches, rigid frogs and crossings |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB483081A (en) * | 1936-09-11 | 1938-04-11 | Edward Hailes Tustain | Means for measuring the deflection of railway sleepers under load to determine deficiency of ballast |
| DE3844663A1 (en) * | 1988-05-04 | 1990-06-28 | Strabag Bau Ag | System for monitoring and/or controlling rail-borne traffic |
| NL1001971C1 (en) * | 1995-12-21 | 1997-06-24 | Sotec B V | Alignment checking system for railway power supply mast |
| ITMI981205A1 (en) * | 1998-06-01 | 1999-12-01 | Demetrio Federico | STRUCTURE COMPOSED OF A LASER RADIO ISSUING-RECEIVING INSTRUMENT HOOKED AND SLIDING INSIDE A FIXED CONTAINER |
-
2002
- 2002-07-09 AT AT0103702A patent/AT413114B/en not_active IP Right Cessation
-
2003
- 2003-06-26 WO PCT/AT2003/000178 patent/WO2004005620A1/en not_active Application Discontinuation
- 2003-06-26 EP EP03739841A patent/EP1520075B1/en not_active Expired - Lifetime
- 2003-06-26 AT AT03739841T patent/ATE315131T1/en active
- 2003-06-26 AU AU2003281374A patent/AU2003281374A1/en not_active Abandoned
- 2003-06-26 DE DE50302131T patent/DE50302131D1/en not_active Expired - Lifetime
- 2003-07-04 TW TW092118289A patent/TWI266819B/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636147A (en) * | 2012-03-31 | 2012-08-15 | 铁道第三勘察设计院集团有限公司 | Deformation monitoring method for existing railway line |
| CN104652202A (en) * | 2015-02-13 | 2015-05-27 | 中铁第一勘察设计院集团有限公司 | Measuring device for calibrating high-speed railway track measuring instrument |
| CN104652202B (en) * | 2015-02-13 | 2016-08-24 | 中铁第一勘察设计院集团有限公司 | For examining and determine the measurement apparatus of high speed railway track measuring instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1520075A1 (en) | 2005-04-06 |
| AT413114B (en) | 2005-11-15 |
| DE50302131D1 (en) | 2006-03-30 |
| WO2004005620A1 (en) | 2004-01-15 |
| ATE315131T1 (en) | 2006-02-15 |
| TW200406521A (en) | 2004-05-01 |
| TWI266819B (en) | 2006-11-21 |
| AU2003281374A1 (en) | 2004-01-23 |
| AU2003281374A8 (en) | 2004-01-23 |
| ATA10372002A (en) | 2005-04-15 |
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