EP1420113B1 - Method for scanning the track bed - Google Patents

Method for scanning the track bed Download PDF

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Publication number
EP1420113B1
EP1420113B1 EP03450228A EP03450228A EP1420113B1 EP 1420113 B1 EP1420113 B1 EP 1420113B1 EP 03450228 A EP03450228 A EP 03450228A EP 03450228 A EP03450228 A EP 03450228A EP 1420113 B1 EP1420113 B1 EP 1420113B1
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EP
European Patent Office
Prior art keywords
track
ballast
profile
scanning
bedding
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.)
Expired - Lifetime
Application number
EP03450228A
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German (de)
French (fr)
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EP1420113A2 (en
EP1420113A3 (en
Inventor
Josef Theurer
Bernhard Lichtberger
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Franz Plasser Bahnbaumaschinen Industrie GmbH
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Franz Plasser Bahnbaumaschinen Industrie GmbH
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Publication of EP1420113A2 publication Critical patent/EP1420113A2/en
Publication of EP1420113A3 publication Critical patent/EP1420113A3/en
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Publication of EP1420113B1 publication Critical patent/EP1420113B1/en
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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
    • E01B35/06—Applications of measuring apparatus or devices for track-building purposes for measuring irregularities in longitudinal direction

Definitions

  • the invention relates to a method for the contactless scanning of a normal to a track longitudinal direction Bettungsprofiles a ballast bed of a track, according to the preamble of claim 1.
  • the object of the present invention is now to provide a method of the generic type with which improved ballasting of the track is possible.
  • a measuring carriage 1 shown in FIG. 1 has a machine frame 2, which can be moved on rail tracks 4 via rail carriages 3.
  • a laser transmitter 5 combined with an odometer and a self-displaceable pre-carriage 6 are provided in a known manner so as to form a reference line 7.
  • the measuring carriage 1 is equipped with a drive 8 and movable in a working direction 9.
  • a driving cab is a computing unit 10.
  • a laser scanner 11 is mounted, which measures distances to a ballast bed 12 with an angular resolution of 0.25 ° in an angular range of ⁇ 50 ° normal to the track longitudinal direction. From these data, apparent bedding profiles 13 are calculated in the arithmetic unit 10 in FIG. 2 and displayed on a color display. For this measured bedding profile 13, a desired cross-sectional profile 14 (shown in dot-dashed lines) is superimposed, the volume calculated from the differences of the two profile diagrams is calculated and displayed as a bar chart 15 (see Figures 3 and 4).
  • This calculation also takes into account any track height error a which may have been detected in such a way that larger track position errors a due to the higher increase in the subsequent stuffing operation require higher quantities of ballast.
  • the gravel profile measurement is carried out at intervals of 2 meters, wherein the respective ballast profile 13 shown in FIG. 2 is graphically and superimposed on the nominal cross-sectional profile 14, which was selected at the beginning of the mission according to the track.
  • the bar graph 16, which is related to a track center 16, is shown parallel to this for each ballast profile 13, wherein a green bar (shown here in solid lines) indicates ballast excess and a red bar (in dashed line) indicates ballast deficiency.
  • the height of the bar shows the size of the volume difference between the desired ballast profile 13 and nominal cross-sectional profile 14. From the sequence of bar charts 15 shown in FIG. 3, it can be stated that in this track section on the left half of the track 17 (above the track center 16). there is a clear excess of ballast, while on the right half of the track 18 (below the middle of the track 16) there is partly both a slight deficiency and a slight excess.
  • FIG. 4 shows the course of the differences in the ballast volumes.
  • exactly the required for a particular track section gravel requirement in tonnes per meter is determinable, which is also known by the reference to the track center 16 already mentioned, if the lack of need for gravel possibly only a track half 17; 18 concerns.
  • This can be accurately taken into account when the ballast is dropped, as a result of which the ballast movements to be carried out by a ballast plow can be significantly reduced.
  • Excess gravel is picked up from the track, cached for a short time and dumped on sections with gravel requirements.
  • the combination of a track position measurement with a registration of the ballast distribution has the particular advantage that - as a by-product and without additional manipulative effort - the ballast is distributed in an optimal manner. This has in addition to a significant saving effect also the particular advantage that, while largely avoiding unnecessary movements of large quantities of ballast through the ballast plow, a uniform ballast of the track is finally achievable.
  • ballast profile in connection with the labor input of a tamping machine.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Radar Systems Or Details Thereof (AREA)

Description

Die Erfindung betrifft ein Verfahren zur berührungslosen Abtastung eines normal zu einer Gleislängsrichtung verlaufenden Bettungsprofiles einer Schotterbettung eines Gleises, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a method for the contactless scanning of a normal to a track longitudinal direction Bettungsprofiles a ballast bed of a track, according to the preamble of claim 1.

Durch US 6 058 628 A ist es bekannt, das Bettungsprofil in Verbindung mit dem Arbeitseinsatz eines Schotterpfluges zu registrieren. Damit besteht die Möglichkeit, Schotterüberschüsse zu orten und diese gegebenenfalls unter kurzfristiger Zwischenspeicherung für Gleisabschnitte mit Schottermangel zu verwenden.From US 6 058 628 A it is known to register the ballast profile in connection with the labor input of a ballast plow. This makes it possible to locate gravel surpluses and, if necessary, use them under short-term temporary storage for track sections with ballast deficiency.

Gemäß einem Artikel aus "Rail Engineering International" 2000/3, Seite 16, ist es bekannt, die Gleislage mittels eines elektronischen Messwagens EM-SAT aufzumessen, um schließlich die gespeicherten Korrekturwerte an eine Stopfmaschine weitergeben zu können.According to an article from "Rail Engineering International" 2000/3, page 16, it is known to meter the track position by means of an electronic measuring carriage EM-SAT, in order finally to be able to pass on the stored correction values to a tamping machine.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Verfahrens der gattungsgemäßen Art, mit dem eine verbesserte Einschotterung des Gleises möglich ist.The object of the present invention is now to provide a method of the generic type with which improved ballasting of the track is possible.

Erfindungsgemäß wird diese Aufgabe mit einem Verfahren der eingangs genannten Art durch die im Kennzeichen von Anspruch 1 angeführten Merkmale gelöst.According to the invention this object is achieved by a method of the type mentioned by the features cited in the characterizing part of claim 1.

Durch diese Kombination der Abtastung des Bettungsprofils mit der Ermittlung der Höhenlagefehler kann bei der Schotterverteilung im Falle einer Häufung von größeren Höhenlagefehlern ein damit erforderlicher erhöhter Schotterbedarf berücksichtigt werden. Damit lässt sich die Gleislagemessung in vorteilhafter Weise unter Vermeidung von zusätzlichem Manipulationsaufwand auch für eine Ermittlung des für eine gleichmäßige Einschotterung des Gleises erforderlichen Schotterbedarfes heranziehen.By this combination of the sampling of the ballast profile with the determination of the altitude error, a required increased ballast requirement can be taken into account in the case of gravel distribution in the case of an accumulation of larger altitude errors. This allows the track position measurement in Advantageously, while avoiding additional manipulation effort for a determination of the required ballast for a uniform ballast of the track ballast demand.

Weitere Vorteile und Ausbildungen der Erfindung ergeben sich aus den weiteren Ansprüchen und der Zeichnung.Further advantages and embodiments of the invention will become apparent from the other claims and the drawings.

Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher beschrieben.In the following the invention will be described with reference to an embodiment shown in the drawing.

Es zeigen:

  • Fig. 1 eine Seitenansicht eines elektronischen Messwagens,
  • Fig. 2 ein registriertes Bettungsprofil und ein abgespeichertes Soll-Querschnittsprofil einer Schotterbettung,
  • Fig. 3 eine auf beide Gleishälften bezogene grafische Darstellung des Schotterbedarfes, und
  • Fig. 4 ein Volumendiagramm für einen bestimmten Gleisabschnitt.
Show it:
  • 1 is a side view of an electronic measuring cart,
  • FIG. 2 shows a registered bedding profile and a stored desired cross-sectional profile of a ballast bed, FIG.
  • Fig. 3 is a related to both halves of the drawing graphic representation of the gravel requirement, and
  • Fig. 4 is a volume diagram for a particular track section.

Ein in Fig. 1 dargestellter Messwagen 1 weist einen Maschinenrahmen 2 auf, der über Schienenfahrwerke 3 auf einem Gleis 4 verfahrbar ist. Zur Aufmessung der Gleislage ist in bekannter Weise ein mit einem Wegmesser kombinierter Lasersender 5 sowie ein selbst verfahrbarer Vorwagen 6 vorgesehen, um damit eine Bezugslinie 7 zu bilden. Der Messwagen 1 ist mit einem Fahrantrieb 8 ausgestattet und in einer Arbeitsrichtung 9 verfahrbar. In einer Fahrkabine befindet sich eine Recheneinheit 10.A measuring carriage 1 shown in FIG. 1 has a machine frame 2, which can be moved on rail tracks 4 via rail carriages 3. In order to measure the track position, a laser transmitter 5 combined with an odometer and a self-displaceable pre-carriage 6 are provided in a known manner so as to form a reference line 7. The measuring carriage 1 is equipped with a drive 8 and movable in a working direction 9. In a driving cab is a computing unit 10.

Zu Beginn eines neu aufzumessenden Gleisabschnittes wird der Vorwagen 6 in einem Abstand vor dem Messwagen 1 aufgestellt und in bezug auf einen Festpunkt eingemessen. In weiterer Folge wird der Messwagen 1 in Arbeitsrichtung 9 verfahren und dabei die Gleislage bezüglich der Bezugslinie 7 registriert und für den späteren Einsatz einer Stopfmaschine abgespeichert.At the beginning of a newly measured track section of the pre-carriage 6 is placed at a distance in front of the measuring carriage 1 and measured with respect to a fixed point. Subsequently, the measuring carriage 1 is moved in the working direction 9 and thereby registered the track position with respect to the reference line 7 and stored for later use of a tamping machine.

In einer Höhe von etwa 3 bis 4 Meter über dem Gleis 4 ist ein Laserscanner 11 montiert, der mit einer Winkelauflösung von 0,25° in einem Winkelbereich von ± 50° normal zur Gleislängsrichtung Distanzen zu einer Schotterbettung 12 misst. Aus diesen Daten werden in der Recheneinheit 10 in Fig. 2 ersichtliche Bettungsprofile 13 berechnet und auf einem Farbdisplay dargestellt. Zu diesem gemessenen Bettungsprofil 13 wird ein Soll-Querschnittsprofil 14 (in strichpunktierten Linien dargestellt) eingeblendet, das sich aus den Differenzen der beiden Profildiagramme ergebende Volumen berechnet und als Balkendiagramm 15 (s. Fig. 3 und 4) dargestellt.At a height of about 3 to 4 meters above the track 4, a laser scanner 11 is mounted, which measures distances to a ballast bed 12 with an angular resolution of 0.25 ° in an angular range of ± 50 ° normal to the track longitudinal direction. From these data, apparent bedding profiles 13 are calculated in the arithmetic unit 10 in FIG. 2 and displayed on a color display. For this measured bedding profile 13, a desired cross-sectional profile 14 (shown in dot-dashed lines) is superimposed, the volume calculated from the differences of the two profile diagrams is calculated and displayed as a bar chart 15 (see Figures 3 and 4).

Bei dieser Berechnung wird auch ein eventuell festgestellter Gleishöhenlagefehler a in der Weise berücksichtigt, daß größere Gleislagefehler a infolge der höheren Anhebung beim anschließenden Stopfvorgang höhere Schottermengen erfordern. Das heißt, daß das Soll-Querschnittsprofil 14 rechnerisch um den Gleislagefehler a relativ zum Bettungsprofil 13 angehoben wird, wodurch die Gleisfehllage automatisch in die Volumenberechnung miteinbezogen wird. Dies hat insbesondere bei großen und sich über einen längeren Gleisabschnitt erstreckenden Fehllagen nunmehr zur Folge, daß auch diese Gleisabschnitte für eine gleichmäßige Einschotterung und damit für eine optimale Fixierung der korrigierten Gleislage gezielt und ausreichend mit Schotter versorgt werden können.This calculation also takes into account any track height error a which may have been detected in such a way that larger track position errors a due to the higher increase in the subsequent stuffing operation require higher quantities of ballast. This means that the desired cross-sectional profile 14 is raised mathematically by the track position error a relative to the ballast profile 13, whereby the track slip position is automatically included in the volume calculation. This has now, in particular for large and extended over a longer track section misfits mean that even these track sections for a uniform ballast and thus for optimal fixation of the corrected track position can be targeted and sufficiently supplied with gravel.

Die Schotterprofilmessung erfolgt in Abständen von 2 Metern, wobei das jeweilige Bettungsprofil 13 gemäß Fig. 2 grafisch dargestellt und dem Soll-Querschnittsprofil 14 überlagert wird, das zu Beginn des Einsatzes entsprechend der Gleisstrecke ausgewählt wurde.The gravel profile measurement is carried out at intervals of 2 meters, wherein the respective ballast profile 13 shown in FIG. 2 is graphically and superimposed on the nominal cross-sectional profile 14, which was selected at the beginning of the mission according to the track.

Gemäß Fig. 3 wird parallel dazu für jedes Bettungsprofil 13 das auf eine Gleismitte 16 bezogene Balkendiagramm 15 dargestellt, wobei ein grüner Balken (hier in vollen Linien dargestellt) Schotterüberschuss und ein roter Balken (in strichlierter Linie) Schottermangel signalisiert. Die Höhe des Balkens zeigt die Größe der Volumendifferenz zwischen Soll-Bettungsprofil 13 und Soll-Querschnittsprofil 14. Aus der in Fig. 3 ersichtlichen Folge von Balkendiagrammen 15 kann festgestellt werden, dass in diesem Gleisabschnitt auf der linken Gleishälfte 17 (oberhalb der Gleismitte 16) ein deutlicher Schotterüberschuss vorhanden ist, während auf der rechten Gleishälfte 18 (unterhalb der Gleismitte 16) teilweise sowohl geringer Mangel als auch geringer Überschuss vorliegt.According to FIG. 3, the bar graph 16, which is related to a track center 16, is shown parallel to this for each ballast profile 13, wherein a green bar (shown here in solid lines) indicates ballast excess and a red bar (in dashed line) indicates ballast deficiency. The height of the bar shows the size of the volume difference between the desired ballast profile 13 and nominal cross-sectional profile 14. From the sequence of bar charts 15 shown in FIG. 3, it can be stated that in this track section on the left half of the track 17 (above the track center 16). there is a clear excess of ballast, while on the right half of the track 18 (below the middle of the track 16) there is partly both a slight deficiency and a slight excess.

Ein in Fig. 4 ersichtliches Diagramm zeigt den Verlauf der Differenzen der Schottervolumina. Damit ist exakt der für einen bestimmten Gleisabschnitt erforderliche Schotterbedarf in Tonnen pro Laufmeter bestimmbar, wobei durch die bereits erwähnte Bezugnahme auf die Gleismitte 16 auch bekannt ist, ob der Fehlbedarf an Schotter eventuell nur eine Gleishälfte 17; 18 betrifft. Dies kann bei Abwurf des Schotters genau berücksichtigt werden, wodurch sich die von einem Schotterpflug auszuführenden Schotterbewegungen deutlich reduzieren lassen. Überschüssiger Schotter wird vom Gleis aufgenommen, kurzzeitig zwischengespeichert und gezielt auf Abschnitte mit Schotterbedarf abgeworfen.A diagram shown in FIG. 4 shows the course of the differences in the ballast volumes. Thus, exactly the required for a particular track section gravel requirement in tonnes per meter is determinable, which is also known by the reference to the track center 16 already mentioned, if the lack of need for gravel possibly only a track half 17; 18 concerns. This can be accurately taken into account when the ballast is dropped, as a result of which the ballast movements to be carried out by a ballast plow can be significantly reduced. Excess gravel is picked up from the track, cached for a short time and dumped on sections with gravel requirements.

Die Kombination einer Gleislagevermessung mit einer Registrierung der Schotterverteilung hat den besonderen Vorteil, dass - gleichsam als Nebenprodukt und ohne zusätzlichen manipulativen Aufwand - der Schotter in optimaler Weise verteilt wird. Dies hat zusätzlich zu einem wesentlichen Einsparungseffekt auch den besonderen Vorteil, dass unter weitgehender Vermeidung von unnötigen Bewegungen großer Schottermengen durch den Schotterpflug schließlich eine gleichmäßige Einschotterung des Gleises erzielbar ist.The combination of a track position measurement with a registration of the ballast distribution has the particular advantage that - as a by-product and without additional manipulative effort - the ballast is distributed in an optimal manner. This has in addition to a significant saving effect also the particular advantage that, while largely avoiding unnecessary movements of large quantities of ballast through the ballast plow, a uniform ballast of the track is finally achievable.

Alternativ zum dargestellten Ausführungsbeispiel wäre es auch möglich, die Erfassung des Schotterprofils in Verbindung mit dem Arbeitseinsatz einer Stopfmaschine durchzuführen.Alternatively to the illustrated embodiment, it would also be possible to perform the detection of the ballast profile in connection with the labor input of a tamping machine.

Claims (3)

  1. A method for the contactless scanning of a bedding profile (13) of a ballast bed (12) of a track (4), the bedding profile extending perpendicularly to a longitudinal direction of the track, characterized in that the scanning is carried out parallel to the determination of vertical position faults (a) of the track and with local correlation thereto, and a ballast requirement necessary for lifting the track (4) to a desired vertical position and uniformly ballasting the track is calculated in dependence on the determined vertical position faults (a) and the bedding profile (13) registered in connection therewith in each case.
  2. A method according to claim 1, characterized in that, for calculating the ballast requirement of the ballast bed (12), a desired cross-sectional profile (14) is superimposed upon the registered bedding profile (13).
  3. A method according to claim 1 or 2, characterized in that the ballast requirement is calculated and stored separately for a left and a right track half (17;18).
EP03450228A 2002-11-13 2003-10-15 Method for scanning the track bed Expired - Lifetime EP1420113B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0076702U AT5982U3 (en) 2002-11-13 2002-11-13 METHOD FOR SCANNING A BED PROFILE
AT76702U 2002-11-13

Publications (3)

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EP1420113A2 EP1420113A2 (en) 2004-05-19
EP1420113A3 EP1420113A3 (en) 2005-04-06
EP1420113B1 true EP1420113B1 (en) 2007-05-09

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US (1) US6976324B2 (en)
EP (1) EP1420113B1 (en)
JP (1) JP4113102B2 (en)
CN (1) CN1215230C (en)
AT (2) AT5982U3 (en)
AU (1) AU2003259627B2 (en)
DE (1) DE50307227D1 (en)
DK (1) DK1420113T3 (en)
ES (1) ES2285083T3 (en)
PL (1) PL211737B1 (en)
RU (1) RU2250283C1 (en)

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DE59907764D1 (en) * 1998-03-27 2003-12-24 Plasser Bahnbaumasch Franz Method for track position correction
US6681160B2 (en) * 1999-06-15 2004-01-20 Andian Technologies Ltd. Geometric track and track/vehicle analyzers and methods for controlling railroad systems
AT4766U3 (en) * 2001-06-21 2002-05-27 Plasser Bahnbaumasch Franz TRACK CONSTRUCTION MACHINE AND METHOD FOR DETECTING A TRACK SITUATION
AT411277B (en) * 2001-08-09 2003-11-25 Plasser Bahnbaumasch Franz MACHINE AND METHOD FOR DETECTING THE THRESHOLD POSITION OF A JOINT
US6804621B1 (en) * 2003-04-10 2004-10-12 Tata Consultancy Services (Division Of Tata Sons, Ltd) Methods for aligning measured data taken from specific rail track sections of a railroad with the correct geographic location of the sections

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AU2003259627B2 (en) 2008-02-07
RU2250283C1 (en) 2005-04-20
US20040088891A1 (en) 2004-05-13
ES2285083T3 (en) 2007-11-16
PL363339A1 (en) 2004-05-17
JP4113102B2 (en) 2008-07-09
US6976324B2 (en) 2005-12-20
DK1420113T3 (en) 2007-07-16
EP1420113A2 (en) 2004-05-19
CN1215230C (en) 2005-08-17
AU2003259627A1 (en) 2005-02-24
CN1500940A (en) 2004-06-02
AT5982U3 (en) 2003-12-29
ATE362014T1 (en) 2007-06-15
DE50307227D1 (en) 2007-06-21
AT5982U2 (en) 2003-02-25
EP1420113A3 (en) 2005-04-06
PL211737B1 (en) 2012-06-29

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