EP1650348B1 - Method for scanning a track bed - Google Patents

Method for scanning a track bed Download PDF

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Publication number
EP1650348B1
EP1650348B1 EP05105340A EP05105340A EP1650348B1 EP 1650348 B1 EP1650348 B1 EP 1650348B1 EP 05105340 A EP05105340 A EP 05105340A EP 05105340 A EP05105340 A EP 05105340A EP 1650348 B1 EP1650348 B1 EP 1650348B1
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EP
European Patent Office
Prior art keywords
track
measuring
chord
rear end
end point
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.)
Active
Application number
EP05105340A
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German (de)
French (fr)
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EP1650348A3 (en
EP1650348A2 (en
Inventor
Josef Theurer
Bernhard Dr. Lichtberger
Herbert Wörgötter
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.)
Franz Plasser Bahnbaumaschinen Industrie GmbH
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Franz Plasser Bahnbaumaschinen Industrie GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Franz Plasser Bahnbaumaschinen Industrie GmbH filed Critical Franz Plasser Bahnbaumaschinen Industrie GmbH
Priority to PL05105340T priority Critical patent/PL1650348T3/en
Publication of EP1650348A2 publication Critical patent/EP1650348A2/en
Publication of EP1650348A3 publication Critical patent/EP1650348A3/en
Application granted granted Critical
Publication of EP1650348B1 publication Critical patent/EP1650348B1/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

Definitions

  • the invention relates to a method for scanning a track position according to the features cited in the preamble of claim 1.
  • a cleaning machine does not belong to the protected subject of the invention.
  • the object of the present invention is now to provide a method of the generic type, with a problem-free and relatively easy to carry out and accurate restoration of the track position is possible.
  • This is equipped with a sieve 6 for ballast cleaning.
  • the following with respect to a working direction 7 behind the screening car 5 stacker 4 has a guided around the track 3 gravel picking device 8, which is associated with a first track lifting device 9.
  • a second track lifting device 9 is connected to a mobile on rail chassis 10 machine frame 11.
  • a track measuring system 12 consists of a - with respect to the working direction 7 - first measuring chord 13 and a subsequent second measuring chord 14, both of which are of equal length.
  • Each measuring chord 13, 14 has (see also Fig. 2.3 ) have a front end point A1 or B1 and a rear end point A2 or B2 respectively in the form of a measuring axis 15 guided on the track 3.
  • the rear end point B2 of the second measuring chord 14 is located in the region of the first track lifting device 9 or in the region of a section of the ballast picking device 8 positioned below the track 3.
  • the center between the two end points A1, A2 or B1, B2 of both measuring chords 13, 14 is a first and second Pfeil Adjustngeber 16,17 arranged.
  • the rear end point A2 of the first measuring chord 13 and the front end point B1 of the second measuring chord 14 are formed by a common measuring axis 15.
  • the track measuring system 12 has a memory 18, an odometer 19 for detecting the distance traveled by the cleaning machine 1 way and a comparison unit 20.
  • the track 3 is scanned to detect its actual position in the context of a pre-measurement continuously through the first measuring chord 13 by a detected by the Pfeil Adjustngeber 16 arrow f x is stored in the memory 18.
  • a value detected by the displacement measuring device 19 path is stored in order to assign the rear end point A2 of the first measuring chord 13 to a local track point P x.
  • the arrow point f x associated with this track point - in the pre-measurement by the first measuring chord 13 - is fed to the comparison unit 20.
  • the rear end point B2 is not in the desired position.
  • the arrow height registered by the second arrow height sensor 17 of the second measuring chord 14 also does not correspond to the stored measured value recorded in the preliminary measurement.
  • the track 3 is now transversely displaced until the registered by the second Pfeileuxngeber 17 arrow height corresponds to the existing in the comparison unit 20 comparison value.
  • the rear end point B2 is located exactly in the nominal position registered by the first measuring chord 13 during the pre-measurement.
  • the simplest solution is to form both measuring chords 13, 14 with the same length of pitch. If the length should be different, the arrow height registered in the first arrow height encoder 16 must be converted according to the geometric conditions.
  • the desired position of the track 3 is calculated in a known manner as a local image from the symmetrical arrow heights of the first measuring chord 13. In this townscape each of the position of the excavating carriage 4 is calculated. From this position, the arrow heights of the machine frame 11 in the region of the second track lifting device 9 can be determined. This actual value of the arrow height is compared with the calculated arrow height. If there is a difference, can be counteracted by the second track lifting device 9 accordingly.

Abstract

The measuring chords (13,14) are guided on a track (3) by respective front and rear end points. A versine of the chord (13) is measured and the measurement value is stored. After the rear end point of the chord (14) has reached registered local track point, the rear end point is displaced, until measurement value of versine of the chord (14) coincides with stored value. An independent claim is also included for ballast cleaning machine.

Description

Die Erfindung betrifft ein Verfahren zum Abtasten einer Gleislage gemäß den im Oberbegriff von Anspruch 1 angeführten Merkmalen. Eine Reinigungsmaschine gehört nicht zum geschützten Gegenstand der Erfindung.The invention relates to a method for scanning a track position according to the features cited in the preamble of claim 1. A cleaning machine does not belong to the protected subject of the invention.

Ein derartiges Verfahren ist durch US 4 574 704 A bekannt. Da durch den Einsatz einer Schotterreinigungsmaschine die Gleislage komplett zerstört wird, ist deren Wiederherstellung nach Einbringung des gereinigten Schotters problematisch. Das bekannte Verfahren besteht nun darin, durch die der Gleislage folgende Position einer - bezüglich der Arbeitsrichtung vor einer Schotteraufnahmevorrichtung positionierten - ersten Messsehne eine nachfolgende zweite Messsehne zu steuern. Dazu wird eine Pfeilhöhe der ersten Messsehne sowie ein Winkel gemessen, den beide Messsehnen zueinander einschließen. Eine Gleishebeeinrichtung verschiebt das Gleis solange in Querrichtung, bis ein hinterer Endpunkt der zweiten Messsehne nach Erreichen des genannten Winkels auf der Soll-Lage zu liegen kommt. Allerdings ist diese Methode nur in einem Gleisbogen anwendbar. Für Übergangskurven muss ein Korrekturfaktor berücksichtigt werden.Such a method is through US 4 574 704 A known. Since the use of a ballast cleaning machine completely destroys the track position, its recovery after introduction of the cleaned ballast is problematic. The known method now consists of controlling a subsequent second measuring chord by the position of the first measuring chord following the track position-a first chord positioned with respect to the working direction in front of a ballast receiving device. For this purpose, an arrow height of the first measuring chord and an angle is measured, which include both measuring chords to each other. A track lifting device shifts the track in the transverse direction until a rear end point of the second measuring chord comes to lie on the desired position after reaching said angle. However, this method is only applicable in a curve. For transition curves, a correction factor must be taken into account.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Verfahrens der gattungsgemäßen Art, mit dem eine problemlose und relativ einfach durchführbare und genaue Wiederherstellung der Gleislage möglich ist.The object of the present invention is now to provide a method of the generic type, with a problem-free and relatively easy to carry out and accurate restoration of the track position is possible.

Erfindungsgemäß wird diese Aufgabe durch die im Kennzeichen von Anspruch 1 angeführten Merkmale gelöst.According to the invention, this object is achieved by the features cited in the characterizing part of claim 1.

Mit diesen Merkmalen ist ein problemloses Kopieren der Gleislage für deren Wiederherstellung nach der Rückführung des gereinigten Schotters möglich. Es ist dabei in vorteilhafter Weise völlig unerheblich, ob der Gleisabschnitt Teil eines Gleis- oder Übergangsbogens ist.With these features, a smooth copying of the track position for their recovery after the return of the cleaned ballast is possible. It is completely irrelevant in an advantageous manner, whether the track section is part of a track or transitional arc.

Weitere Vorteile und Ausbildungen der Erfindung ergeben sich auch aus der Zeichnung.Further advantages and embodiments of the invention will become apparent from the drawing.

Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher beschrieben.
Es zeigen:

  • Fig. 1 eine vereinfachte Seitenansicht einer Reinigungsmaschine, die nicht zur beanspruchten Erfindung gehört.
  • Fig. 2 und 3 je eine schematisierte Darstellung eines Gleismeßsystems.
In the following the invention will be described with reference to an embodiment shown in the drawing.
Show it:
  • Fig. 1 a simplified side view of a cleaning machine, which does not belong to the claimed invention.
  • FIGS. 2 and 3 each a schematic representation of a track measuring system.

Wie in Fig. 1 ersichtlich, setzt sich eine Reinigungsmaschine 1 zum Reinigen von Schotter 2 eines Gleises 3 aus einem Aushubwagen 4 und einem an diesen angekuppelten Siebwagen 5 zusammen. Dieser ist mit einer Siebanlage 6 zur Schotterreinigung ausgestattet. Der bezüglich einer Arbeitsrichtung 7 hinter dem Siebwagen 5 folgende Aushubwagen 4 weist eine um das Gleis 3 herumgeführte Schotteraufnahmevorrichtung 8 auf, der eine erste Gleishebeeinrichtung 9 zugeordnet ist. Vor einem hinteren, nicht näher dargestellten Schienenfahrwerk 10 ist eine zweite Gleishebeeinrichtung 9 mit einem auf Schienenfahrwerken 10 fahrbaren Maschinenrahmen 11 verbunden.As in Fig. 1 it can be seen, is a cleaning machine 1 for cleaning gravel 2 a track 3 from a pallet truck 4 and a coupled to this sieve carriage 5 together. This is equipped with a sieve 6 for ballast cleaning. The following with respect to a working direction 7 behind the screening car 5 stacker 4 has a guided around the track 3 gravel picking device 8, which is associated with a first track lifting device 9. In front of a rear, not shown rail chassis 10, a second track lifting device 9 is connected to a mobile on rail chassis 10 machine frame 11.

Ein Gleismeßsystem 12 besteht aus einer - bezüglich der Arbeitsrichtung 7 - ersten Messsehne 13 und einer nachfolgenden zweiten Messsehne 14, die beide gleich lang ausgebildet sind. Jede Messsehne 13,14 weist ( s. auch Fig. 2,3) einen vorderen Endpunkt A1 bzw. B1 und einen hinteren Endpunkt A2 bzw. B2 jeweils in Form einer am Gleis 3 geführten Messachse 15 auf. Der hintere Endpunkt B2 der zweiten Messsehne 14 befindet sich im Bereich der ersten Gleishebeeinrichtung 9 bzw. im Bereich eines unter dem Gleis 3 positionierten Abschnittes der Schotteraufnahmevorrichtung 8. Mittig zwischen den beiden Endpunkten A1, A2 bzw. B1, B2 beider Messsehnen 13, 14 ist ein erster bzw. zweiter Pfeilhöhengeber 16,17 angeordnet. Der hintere Endpunkt A2 der ersten Messsehne 13 und der vordere Endpunkt B1 der zweiten Messsehne 14 sind durch eine gemeinsame Messachse 15 gebildet. Wie in den Fig. 2 und 3 schematisch angedeutet, weist das Gleismeßsystem 12 einen Speicher 18, einen Wegmesser 19 zur Erfassung des von der Reinigungsmaschine 1 zurückgelegten Weges sowie eine Vergleichseinheit 20 auf.A track measuring system 12 consists of a - with respect to the working direction 7 - first measuring chord 13 and a subsequent second measuring chord 14, both of which are of equal length. Each measuring chord 13, 14 has (see also Fig. 2.3 ) have a front end point A1 or B1 and a rear end point A2 or B2 respectively in the form of a measuring axis 15 guided on the track 3. The rear end point B2 of the second measuring chord 14 is located in the region of the first track lifting device 9 or in the region of a section of the ballast picking device 8 positioned below the track 3. The center between the two end points A1, A2 or B1, B2 of both measuring chords 13, 14 is a first and second Pfeilhöhengeber 16,17 arranged. The rear end point A2 of the first measuring chord 13 and the front end point B1 of the second measuring chord 14 are formed by a common measuring axis 15. As in the FIGS. 2 and 3 indicated schematically, the track measuring system 12 has a memory 18, an odometer 19 for detecting the distance traveled by the cleaning machine 1 way and a comparison unit 20.

Im folgenden wird nun das Verfahren zur Abtastung einer Gleislage näher beschrieben.In the following, the method for scanning a track position will now be described in more detail.

Das Gleis 3 wird zur Erfassung dessen Ist-Lage im Rahmen einer Vormessung laufend durch die erste Messsehne 13 abgetastet, indem eine durch den Pfeilhöhengeber 16 erfasste Pfeilhöhe fx im Speicher 18 abgespeichert wird. Parallel dazu wird ein durch den Wegmesser 19 erfasster Weg gespeichert, um damit den hinteren Endpunkt A2 der ersten Messsehne 13 einem örtlichen Gleispunkt Px zuzuordnen.The track 3 is scanned to detect its actual position in the context of a pre-measurement continuously through the first measuring chord 13 by a detected by the Pfeilhöhengeber 16 arrow f x is stored in the memory 18. In parallel, a value detected by the displacement measuring device 19 path is stored in order to assign the rear end point A2 of the first measuring chord 13 to a local track point P x.

Sobald im Rahmen einer Arbeitsdurchfahrt der Reinigungsmaschine 1 der örtliche Gleispunkt Px durch den hinteren Endpunkt B2 der zweiten Messsehne 14 erreicht ist, wird die diesem Gleispunkt - in der Vormessung durch die erste Messsehne 13 - zugeordnete und abgespeicherte Pfeilhöhe fx der Vergleichseinheit 20 zugeführt. Wie in Fig. 3 ersichtlich, befindet sich der hintere Endpunkt B2 nicht in der Soll-Lage. Dadurch entspricht die durch den zweiten Pfeilhöhengeber 17 der zweiten Messsehne 14 registrierte Pfeilhöhe auch nicht dem gespeicherten und in der Vormessung festgehaltenen Messwert.As soon as the local track point P x has been reached by the rear end point B2 of the second measuring chord 14 as part of a working passage of the cleaning machine 1, the arrow point f x associated with this track point - in the pre-measurement by the first measuring chord 13 - is fed to the comparison unit 20. As in Fig. 3 As can be seen, the rear end point B2 is not in the desired position. As a result, the arrow height registered by the second arrow height sensor 17 of the second measuring chord 14 also does not correspond to the stored measured value recorded in the preliminary measurement.

Mit Hilfe der Gleishebeeinrichtung 9 wird nun das Gleis 3 solange querverschoben, bis die durch den zweiten Pfeilhöhengeber 17 registrierte Pfeilhöhe dem in der Vergleichseinheit 20 vorhandenen Vergleichswert entspricht. Damit befindet sich der hintere Endpunkt B2 genau in der im Rahmen der Vormessung durch die erste Messsehne 13 registrierten Soll-Lage.With the help of the track lifting device 9, the track 3 is now transversely displaced until the registered by the second Pfeilhöhengeber 17 arrow height corresponds to the existing in the comparison unit 20 comparison value. As a result, the rear end point B2 is located exactly in the nominal position registered by the first measuring chord 13 during the pre-measurement.

Die einfachste Lösung besteht darin, beide Messsehnen 13, 14 mit gleich langer Sehnenteilung auszubilden. Sollte die Länge unterschiedlich sein, muss die im ersten Pfeilhöhengeber 16 registrierte Pfeilhöhe entsprechend den geometrischen Verhältnissen umgerechnet werden.The simplest solution is to form both measuring chords 13, 14 with the same length of pitch. If the length should be different, the arrow height registered in the first arrow height encoder 16 must be converted according to the geometric conditions.

Um ein Abdriften der Gleislage infolge von Ungenauigkeiten zu verhindern, ist es zweckmäßig, auch die der Schotteraufnahmevorrichtung 8 nachfolgende, zweite Gleishebeeinrichtung 9 zu führen. Dazu wird die Soll-Lage des Gleises 3 in bekannter Weise als Ortsbild aus den symmetrischen Pfeilhöhen der ersten Messsehne 13 errechnet. In dieses Ortsbild wird jeweils die Position des Aushubwagens 4 hineingerechnet. Aus dieser Position können die Pfeilhöhen des Maschinenrahmens 11 im Bereich der zweiten Gleishebeeinrichtung 9 bestimmt werden. Dieser Ist-Wert der Pfeilhöhe wird mit der errechneten Pfeilhöhe verglichen. Sollte eine Differenz vorliegen, kann durch die zweite Gleishebeeinrichtung 9 entsprechend gegengesteuert werden.In order to prevent drifting of the track position as a result of inaccuracies, it is expedient to also guide the second track lifting device 9 following the ballast receiving device 8. For this purpose, the desired position of the track 3 is calculated in a known manner as a local image from the symmetrical arrow heights of the first measuring chord 13. In this townscape each of the position of the excavating carriage 4 is calculated. From this position, the arrow heights of the machine frame 11 in the region of the second track lifting device 9 can be determined. This actual value of the arrow height is compared with the calculated arrow height. If there is a difference, can be counteracted by the second track lifting device 9 accordingly.

Claims (1)

  1. A method of tracing a track geometry immediately ahead of a ballast pick-up device (8) in the working direction (7), and of restoring the track geometry destroyed by said ballast pick-up device (8), wherein a first and a second measuring chord (13,14) are guided, one following the other in the working direction (7), on a track (3) by two end points (A1, B1 or A2, B2), respectively, and a versine (fx) is measured in the region of the first measuring chord (13), and the rear end point (B2) of the second measuring chord (14) is displaced in the transverse direction of the track for correcting the track geometry,
    characterized by the following features:
    a) the versine (fx) measured by a first versine sensor (16) of the first measuring chord (13) is stored in connection with a distance measurement - for registering the rear end point (A2) as a desired position with respect to a local track point (Px);
    b) after the rear end point (B2) of the second measuring chord (14) has reached the local track point (Px), said end point (B2) is displaced until a measuring value corresponding to the stored versine (fx) is reached by a second versine sensor (17) associated with the second measuring chord (14), and thus the desired position has been reached.
EP05105340A 2004-09-22 2005-06-17 Method for scanning a track bed Active EP1650348B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05105340T PL1650348T3 (en) 2004-09-22 2005-06-17 Method for scanning a track bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT15882004 2004-09-22

Publications (3)

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EP1650348A2 EP1650348A2 (en) 2006-04-26
EP1650348A3 EP1650348A3 (en) 2006-08-23
EP1650348B1 true EP1650348B1 (en) 2008-03-05

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US (1) US7181851B2 (en)
EP (1) EP1650348B1 (en)
JP (1) JP4902980B2 (en)
CN (1) CN100523379C (en)
AT (1) ATE388274T1 (en)
AU (1) AU2005211637B2 (en)
DE (1) DE502005003071D1 (en)
DK (1) DK1650348T3 (en)
ES (1) ES2302128T3 (en)
PL (1) PL1650348T3 (en)
RU (1) RU2293154C1 (en)

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AT516628B1 (en) * 2015-02-06 2016-07-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Method of renewing a track
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Also Published As

Publication number Publication date
AU2005211637A1 (en) 2006-04-06
RU2293154C1 (en) 2007-02-10
EP1650348A3 (en) 2006-08-23
CN100523379C (en) 2009-08-05
ATE388274T1 (en) 2008-03-15
EP1650348A2 (en) 2006-04-26
US7181851B2 (en) 2007-02-27
ES2302128T3 (en) 2008-07-01
JP4902980B2 (en) 2012-03-21
CN1752343A (en) 2006-03-29
US20060059697A1 (en) 2006-03-23
JP2006090122A (en) 2006-04-06
PL1650348T3 (en) 2008-08-29
DK1650348T3 (en) 2008-06-09
DE502005003071D1 (en) 2008-04-17
AU2005211637B2 (en) 2010-05-20

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