EP0652325B1 - Railroad maintenance machine for correcting the position of the track - Google Patents

Railroad maintenance machine for correcting the position of the track Download PDF

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Publication number
EP0652325B1
EP0652325B1 EP94890158A EP94890158A EP0652325B1 EP 0652325 B1 EP0652325 B1 EP 0652325B1 EP 94890158 A EP94890158 A EP 94890158A EP 94890158 A EP94890158 A EP 94890158A EP 0652325 B1 EP0652325 B1 EP 0652325B1
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EP
European Patent Office
Prior art keywords
track
measuring
machine frame
machine
lining
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
EP94890158A
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German (de)
French (fr)
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EP0652325A2 (en
EP0652325A3 (en
Inventor
Josef Theurer
Gernot Böck
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Franz Plasser Bahnbaumaschinen Industrie GmbH
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Franz Plasser Bahnbaumaschinen Industrie GmbH
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Publication of EP0652325A3 publication Critical patent/EP0652325A3/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines
    • E01B27/17—Sleeper-tamping machines combined with means for lifting, levelling or slewing the track
    • 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
    • E01B35/02—Applications of measuring apparatus or devices for track-building purposes for spacing, for cross levelling; for laying-out curves
    • E01B35/04—Wheeled apparatus
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/16—Guiding or measuring means, e.g. for alignment, canting, stepwise propagation

Definitions

  • the invention relates to a track construction machine for correcting the track position a directional drives based on rail trolleys for lateral Machine position correction with track position correction and rollable on a track Measuring car with the machine frame serving as a reference base as well as a reference system with sensors to record the actual track position form.
  • the AT 394 742 already includes a track tamping machine for correcting the Track position is known, the end of which is supported on rail bogies Machine frame as the reference basis of a machine's own reference system serves to determine the misalignment errors.
  • a track stabilizer with two between Rail bogies arranged stabilization units known.
  • a machine's own Reference system provided, which essentially consists of in the machine longitudinal direction spaced from each other and on the Track rollable measuring car and a straightening and leveling string.
  • the reference basis of the directional reference system also through the machine frame of the track stabilizer be educated.
  • the object of the present invention is now to create a Track construction machine of the generic type, the reference system of which is used improved accuracy of the machine frame as a reference base having.
  • this object is achieved with a generic track construction machine solved in such a way that with respect to the working direction at the front and one at the rear end of the reference system Bank slope measuring device assigned and a pressure sensor for detection the directional forces of the directional drives is provided.
  • Bank slope measuring device assigned and a pressure sensor for detection the directional forces of the directional drives is provided.
  • the training according to claim 2 is a very practical application guaranteed at which any inaccuracy factor is reliable is excluded.
  • the embodiment according to claim 3 is structurally very simple and also provides most accurate measurement results.
  • the arrangement of two devices for measuring the bank has the special advantage that with a twisting of the machine frame conditional measurement errors can be compensated.
  • the track construction machine 1 shown in FIG. 1 is used as a directional straightener and Leveling machine designed and has one, with two rail bogies 2,3 movable on the track consisting of rails 4,5 and sleepers 6 Machine frame 7 on.
  • the working direction of the machine 1 is illustrated by an arrow 8.
  • the machine 1 is equipped with a track straightening and lifting unit 11, which with the machine frame 7 via a hydraulic lifting drive 12 adjustable in height and via a hydraulic directional drive 13 on the side after adjustable, each articulated.
  • the front end of the Track straightening and lifting unit 11 is also on a bracket 14 of the machine frame 7 articulated.
  • As track correction tools are on Track straightening and lifting unit 11 two flanged straightening rollers per rail 4.5 15 and four lifting rollers 16 are arranged, which for roller pliers-like Attack on the outside and inside of the rail head with respect to the Rails 4 and 5 are arranged opposite one another in pairs.
  • the machine 1 is also per rail with a purely schematic representation and with the machine frame 7 via a hydraulic height adjustment drive 17 lifting and lowering connected tamping unit 18.
  • a hydraulic height adjustment drive 17 lifting and lowering connected tamping unit 18.
  • the machine 1 has a conventional one for determining the track height Leveling reference system 21, one of a tension wire per rail 4.5 formed level reference straight line 22 includes the front and rear End each over a rod 23 with one on the uncorrected or corrected track guided measuring car 24 or 26 is connected. Another, Measuring car 25 guided on the track is between the track straightening and lifting unit 11 and the tamping unit 18 arranged. With this measuring car 25 a sensor 27 is connected per rail, which by means of its fork-shaped sensor arm in a known manner with the relevant Level reference straight line 22 cooperates.
  • the one supplied by the sensor 27 Measured value which is the height difference of the track position in the area of Measuring carriage 25 to the level reference straight line embodying the desired track level 22 indicates, is for indirect or direct activity the lifting drive 12 is used, which the track by means of the lifting rollers 16 of the track straightening and lifting unit 11 up to the intended target level lifts.
  • a device 28, 29 connected to the measurement the bank provided.
  • This reference system 30 essentially consists of that which serves as a reference basis Machine frame 7, each via flange rollers 31 on the rails 4.5 rollable measuring trolleys 24, 25 and 26 and sensors 32, 33 and 34 together.
  • Each with a corresponding extension 40 directly with the Machine frame 7 connected sensor 32, 33, 34 is a roll potentiometer trained, the adjustment part with the help of a transmitter cable 35 is rotatable about a vertical or horizontal axis. Every encoder cable 35 is forming a fastening point 36 directly with the measuring car 24,25,26 connected.
  • this potentiometer for example a non-contact measuring device can also be used.
  • the front and rear measuring car 24,26 is a bank measurement device 37.38 assigned. All measuring cars 24 to 26 are in in a known, not shown manner on one of the two rails 4.5 (reference rail) pressed to switch off the track play.
  • All mounting points 36 of the transmitter cables 35 are - based on a horizontal formed by the wheel contact points of the rail carriages 2, 3 Reference level 41 - at the same height, i.e. in a to the reference plane parallel plane positioned. This ensures that all three attachment points 36 experience the same lateral deviation when the machine frame 7 is subject to a bank. This is also in this case Measurement errors excluded.
  • the following advantages result from the use of the reference system 30 according to the invention for the lateral track position correction: Due to the lack of a steel or light chord, the working tools of the machine 1 cannot be influenced. The tendon follow-up controls on the front and rear measuring carriages, which are complex in turnout tamping machines, are no longer required. The tamping units can also be safely moved beyond the middle of the track.
  • the reference system 30 can be constructed with proven, conventional mechanical and electrical components. Simple roll sensors are sufficient for data acquisition. A measurement error caused by the sag of the steel chord in ramps and track bends is eliminated.
  • the difference between the front and rear sensors 32, 34 (Hm - Vm).
  • the difference value is multiplied in an adaptation element 43 with the system constant K.
  • a further differential element 44 that too is set up for an adjustment of the total zero value, a difference is formed to the directional deviation determined by the middle sensor 33 Ra.
  • the cross-slope measuring devices 37, 38 or another measuring device 45 (which is the level reference system 21 is assigned) the respective bank of the assigned test vehicle 24, 25, 26 recorded.
  • the subordinate adaptation elements 46 a corresponding influence on the measured value according to the design-related side deviation of the attachment point 36 depending from the bank.
  • the measured value is influenced in accordance with the design-related Factor a / L or b / L.
  • a detection takes place in a further differential element 49 the leveling force (e.g. through the pressure difference).
  • the finally in a further differential element 50 summed and compensated measured values are used to carry out the required lateral track position correction Actuation of the respective directional drive 13 a hydraulic Servo circuit fed. At the same time, the respective is displayed Guide value.
  • Stabilization unit can be used as a device for lateral track position correction.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Machine Tool Units (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

A railroad maintenance machine for correcting the position of the track has a machine frame (7), which is supported on rail running gear and equipped with lining drives (13) for lateral correction of the track position, and measuring carriages (recording cars) (24-26) capable of rolling on a track. These measuring carriages form, together with the machine frame (7) serving as reference basis and also with measurement transducers (32,33,34), a reference system (30) for detection of the actual track position. The measuring carriages (24,26), situated at the front and at the rear end of the reference system (30) in relation to the working direction, are assigned respective banking measurement devices (37,38). In addition, a pressure transducer (39) for detection of the lining forces of the lining drives (13) is provided. <IMAGE>

Description

Die Erfindung betrifft eine Gleisbaumaschine zur Korrektur der Gleislage mit einem auf Schienenfahrwerken abgestützten, Richtantriebe zur seitlichen Gleislagekorrektur aufweisenden Maschinenrahmen und auf einem Gleis abrollbaren Meßwagen, die mit dem als Referenzbasis dienenden Maschinenrahmen sowie mit Meßwertgebern ein Bezugsystem zur Erfassung der Gleis-lst-Lage bilden.The invention relates to a track construction machine for correcting the track position a directional drives based on rail trolleys for lateral Machine position correction with track position correction and rollable on a track Measuring car with the machine frame serving as a reference base as well as a reference system with sensors to record the actual track position form.

Durch die AT 394 742 ist bereits eine Gleisstopfmaschine zur Korrektur der Gleislage bekannt, wobei der endseitig jeweils auf Schienenfahrwerken abgestützte Maschinenrahmen als Referenzbasis eines maschineneigenen Bezugsystems zur Ermittlung der Geislagefehler dient.The AT 394 742 already includes a track tamping machine for correcting the Track position is known, the end of which is supported on rail bogies Machine frame as the reference basis of a machine's own reference system serves to determine the misalignment errors.

Außerdem ist noch durch die US 5 113 767 ein Gleisstabilisator mit zwei zwischen Schienenfahrwerken angeordneten Stabilisationsaggregaten bekannt. Zur Ermittlung der Höhen- und Seitenlagefehler eines Gleises ist ein maschineneigenes Bezugsystem vorgesehen, das sich im wesentlichen aus in Maschinenlängsrichtung voneinander distanziert angeordneten und auf dem Gleis abrollbaren Meßwagen sowie einer Richt- und Nivelliersehne zusammensetzt. In einer alternativen Ausführung kann jedoch die Referenzbasis des Richtbezugsystems auch durch den Maschinenrahmen des Gleisstabilisators gebildet sein.In addition, through US 5 113 767 is a track stabilizer with two between Rail bogies arranged stabilization units known. To determine the height and lateral position errors of a track is a machine's own Reference system provided, which essentially consists of in the machine longitudinal direction spaced from each other and on the Track rollable measuring car and a straightening and leveling string. In an alternative embodiment, however, the reference basis of the directional reference system also through the machine frame of the track stabilizer be educated.

Durch die US 5 172 637 ist ein weiterer Gleisstabilisator beschrieben, dessen Bezugsystem im Bereich eines vorderen und mittleren Meßwagens jeweils ein Querpendel zur Erfassung der Gleisquerlage aufweist. Damit besteht die Möglichkeit, in Verbindung mit einer Wegmeßeinrichtung die im Bereich des vorderen Meßwagens eruierte Gleisquerlage zu erfassen und zeitversetzt als Referenzbasis für den im Arbeitsbereich des Gleises befindlichen zweiten Meßwagen zur Verfügung zu stellen, um trotz der Gleisabsenkung durch die Stabilisationsaggregate die zuvor ermittelte Gleisquerlage zu erhalten. Another track stabilizer is described by US Pat. No. 5,172,637 Reference system in the area of a front and middle measuring car has a transverse pendulum to detect the transverse track position. So that exists the possibility in connection with a measuring device in the area of the front test car to determine the transverse track position and time-shifted as a reference basis for the one in the working area of the track to provide a second measuring car in spite of the lowering of the track through the stabilizing units to the previously determined cross track position receive.

Schließlich ist auch noch durch die US 4 655 142 eine Gleisstopfmaschine bekannt, deren Nivellier- und Richtsehnen aufweisendes Bezugsystem sowohl am vorderen als auch hinteren Meßwagen jeweils ein Querpendel zur Erfassung der Gleis-Querlage aufweist. Mit diesem hinteren, zweiten Querpendel besteht die Möglichkeit, eventuell vorhandene Gleislage-Restfehler festzustellen und durch entsprechende Gegensteuerung der Gleishebeeinrichtungen weitgehend zu eliminieren.Finally, through US 4,655,142 is a track tamping machine known whose leveling and straightening tendon reference system both a transverse pendulum to the front and rear measuring car Detection of the transverse track position. With this rear, second cross pendulum there is the possibility of any remaining track position errors determine and by appropriate countermeasures of the track lifting devices largely eliminated.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung einer Gleisbaumaschine der gattungsgemäßen Art, deren Bezugsystem unter Verwendung des Maschinenrahmens als Referenzbasis eine verbesserte Genauigkeit aufweist.The object of the present invention is now to create a Track construction machine of the generic type, the reference system of which is used improved accuracy of the machine frame as a reference base having.

Erfindungsgemäß wird diese Aufgabe mit einer gattungsgemäßen Gleisbaumaschine derart gelöst, daß dem bezüglich der Arbeitsrichtung am vorderen und am hinteren Ende des Bezugsystems gelegenen Meßwagen jeweils eine Querneigungs-Meßeinrichtung zugeordnet und ein Druckgeber zur Erfassung der Richtkräfte der Richtantriebe vorgesehen ist. Mit dieser Merkmalskombination sind durch den Einsatz des Maschinenrahmens als Referenzbasis bedingte konstruktive Ungenauigkeiten mit relativ geringem konstruktivem Aufwand zur Gänze eliminierbar, so daß mit der Erfindung ein vereinfachtes und genaues Bezugsystem zur Ermittlung der Seitenlagefehler eines Gleises zur Verfügung steht. Die Vereinfachung ist vor allem darin zu sehen, daß unter Einsparung der gegebenenfalls Querbewegungen von Arbeitsaggregaten behindernden Richtsehne ein bereits vorhandener und sehr stabiler Maschinenteil, nämlich der Maschinenrahmen, als Referenzbasis genützt wird. Durch den Einsatz der Querneigungs-Meßeinrichtungen sind im Bereich eines Übergangsbogens eines Gleises auftretende Ungenauigkeiten restlos kompensierbar. Parallel dazu sind mit Hilfe des Druckgebers bei sehr hohen Richtkräften gegebenenfalls auftretende und das Meßergebnis verfälschende Durchbiegungen des Maschinenrahmens ebenfalls zur Gänze kompensierbar, so daß selbst in derartigen Extremsituationen mit einer hohen Genauigkeit des Bezugsystems gerechnet werden kann. According to the invention, this object is achieved with a generic track construction machine solved in such a way that with respect to the working direction at the front and one at the rear end of the reference system Bank slope measuring device assigned and a pressure sensor for detection the directional forces of the directional drives is provided. With this combination of features are by using the machine frame as a reference base conditional constructive inaccuracies with relatively little constructive Effort completely eliminable, so that a simplified with the invention and precise reference system for determining the lateral position error of a Track is available. The simplification can mainly be seen in that while saving the possible transverse movements of work units obstructing tendon an already existing and very stable Machine part, namely the machine frame, used as a reference base becomes. By using the bank measurement devices are in the area of a transition curve of a track fully compensable. In parallel, with the help of the pressure sensor at very high straightening forces that may occur and falsify the measurement result Deflections of the machine frame can also be fully compensated, so that even in such extreme situations with a high Accuracy of the reference system can be calculated.

Durch die Weiterbildung gemäß Anspruch 2 ist eine sehr praktikable Einsatzmöglichkeit gewährleistet, bei der jedweder Ungenauigkeltsfaktor zuverlässig ausgeschlossen ist.The training according to claim 2 is a very practical application guaranteed at which any inaccuracy factor is reliable is excluded.

Die Ausführung gemäß Anspruch 3 ist konstruktiv sehr einfach und stellt außerdem genaueste Meßergebnisse sicher.The embodiment according to claim 3 is structurally very simple and also provides most accurate measurement results.

Mit der Lösung nach den Merkmalen gemäß Anspruch 4 bleiben Schwankungen des Maschinenrahmens ohne Einfluß auf die Genauigkeit des Meßergebnisses.With the solution according to the features of claim 4 fluctuations remain of the machine frame without affecting the accuracy of the measurement result.

Die Anordnung zweier Einrichtungen zur Messung der Querneigung hat den besonderen Vorteil, daß damit durch eine Verwindung des Maschinenrahmens bedingte Meßfehler kompensierbar sind.The arrangement of two devices for measuring the bank has the special advantage that with a twisting of the machine frame conditional measurement errors can be compensated.

Schließlich sind mit den Verfahrensschritten nach den Ansprüchen 6 und 7 konstruktionsbedingte und die Genauigkeit beeinflussende Probleme beim Einsatz eines Maschinenrahmens als Referenzbasis eines Bezugsystems zur Gleislagekorrektur zufriedenstellend gelöst.Finally, with the method steps according to claims 6 and 7 design-related problems affecting accuracy Use of a machine frame as a reference base for a reference system for the track position correction solved satisfactorily.

Im folgenden wird die Erfindung anhand in der Zeichnung dargestellter Ausführungsbeispiele näher beschrieben.In the following the invention with reference to exemplary embodiments shown in the drawing described in more detail.

Es zeigen:

  • Fig. 1 die Seitenansicht einer erfindungsgemäßen, als Gleisstopfmaschine ausgebildeten Gleisbaumaschine,
  • Fig. 2, 3 und 4 jeweils einen vergrößerten Querschnitt durch die Stopfmaschine gemäß Fig. 1 (s. Schnittlinien II, III und IV) im Bereich eines Meßwagens,
  • Fig. 5 eine schematisierte Draufsicht auf ein aus Maschinenrahmen, Meßwertgeber und Meßwagen gebildetes Bezugsystem zur seitlichen Gleislagekorrektur, und
  • Fig. 6 ein vereinfachtes Schaltbild.
    • Show it:
  • 1 is a side view of a track construction machine according to the invention, designed as a track tamping machine,
  • 2, 3 and 4 each show an enlarged cross section through the tamping machine according to FIG. 1 (see section lines II, III and IV) in the area of a measuring carriage,
  • Fig. 5 is a schematic plan view of a reference system formed from the machine frame, transmitter and measuring car for lateral track position correction, and
  • Fig. 6 is a simplified circuit diagram.

    • Die in Fig. 1 dargestellte Gleisbaumaschine 1 ist als Gleisstopf-Richt- und Nivelliermaschine ausgebildet und weist einen, mit zwei Schienenfahrwerken 2,3 auf dem aus Schienen 4,5 und Schwellen 6 bestehenden Gleis verfahrbaren Maschinenrahmen 7 auf. Die Arbeitsrichtung der Maschine 1 ist durch einen Pfeil 8 veranschaulicht. Im vorderen Bereich des Maschinenrahmens 7 sind die Antriebs- und Energieversorgungseinrichtungen 9 sowie der auf das vordere Fahrwerk 2 wirksame Fahrantrieb 10 der Maschine angeordnet.The track construction machine 1 shown in FIG. 1 is used as a directional straightener and Leveling machine designed and has one, with two rail bogies 2,3 movable on the track consisting of rails 4,5 and sleepers 6 Machine frame 7 on. The working direction of the machine 1 is illustrated by an arrow 8. In the front area of the machine frame 7 are the drive and energy supply devices 9 and effective drive 10 of the machine arranged on the front chassis 2.

    Die Maschine 1 ist mit einem Gleisricht- und Hebeaggregat 11 ausgestattet, welches mit dem Maschinenrahmen 7 über einen hydraulischen Hebeantrieb 12 höhenverstellbar sowie über einen hydraulischen Richtantrieb 13 der Seite nach verstellbar, jeweils gelenkig verbunden ist. Das Vorderende des Gleisricht- und Hebeaggregates 11 ist weiters an einer Konsole 14 des Maschinenrahmens 7 angelenkt. Als Gleiskorrekturwerkzeuge sind am Gleisricht- und Hebeaggregat 11 je Schiene 4,5 zwei Spurkranz-Richtrollen 15 sowie vier Heberollen 16 angeordnet, welche zum rollenzangenartigen Angriff an der Außen- und Innenseite des Schienenkopfes bezüglich der Schiene 4 bzw. 5 einander paarweise gegenüberliegend angeordnet sind. Die Maschine 1 ist weiters je Schiene mit einem, rein schematisch dargestellten und mit dem Maschinenrahmen 7 über einen Hydraulik-Höhenverstellantrieb 17 heb- und senkbar verbundenen Stopfaggregat 18 ausgestattet. Am hinteren Ende des Maschinenrahmens 7 befindet sich eine Bedienerkabine 19, welche eine den Gleiskorrekturwerkzeugen zugeordnete Steuereinrichtung 20 enthält.The machine 1 is equipped with a track straightening and lifting unit 11, which with the machine frame 7 via a hydraulic lifting drive 12 adjustable in height and via a hydraulic directional drive 13 on the side after adjustable, each articulated. The front end of the Track straightening and lifting unit 11 is also on a bracket 14 of the machine frame 7 articulated. As track correction tools are on Track straightening and lifting unit 11 two flanged straightening rollers per rail 4.5 15 and four lifting rollers 16 are arranged, which for roller pliers-like Attack on the outside and inside of the rail head with respect to the Rails 4 and 5 are arranged opposite one another in pairs. The machine 1 is also per rail with a purely schematic representation and with the machine frame 7 via a hydraulic height adjustment drive 17 lifting and lowering connected tamping unit 18. At the rear end of the machine frame 7 there is an operator's cabin 19, which is a control device assigned to the track correction tools 20 contains.

    Die Maschine 1 besitzt zur Ermittlung der Gleis-Höhenlage ein übliches Nivellier-Bezugsystem 21, welches je Schiene 4,5 eine von einem Spanndraht gebildete Nivellier-Bezugsgerade 22 umfaßt, deren vorderes bzw. hinteres Ende jeweils über eine Stange 23 mit einem am unkorrigierten bzw. korrigierten Gleis geführten Meßwagen 24 bzw. 26 verbunden ist. Ein weiterer, am Gleis geführter Meßwagen 25 ist zwischen dem Gleisricht- und Hebeaggregat 11 und dem Stopfaggregat 18 angeordnet. Mit diesem Meßwagen 25 ist je Schiene ein Meßwertgeber 27 verbunden, welcher mittels seines gabelförmigen Fühlerarmes in bekannter Weise mit der betreffenden Nivellier-Bezugsgeraden 22 zusammenwirkt. Der vom Meßwertgeber 27 gelieferte Meßwert, welcher die Höhendifferenz der Gleislage im Bereich des Meßwagens 25 zu der das Soll-Gleisniveau verkörpernden Nivellier-Bezugsgeraden 22 angibt, wird zur mittel- bzw. unmittelbaren Betätigung des Hebeantriebes 12 herangezogen, welcher das Gleis mittels der Heberollen 16 des Gleisricht- und Hebeaggregates 11 bis auf das vorgesehene Soll-Niveau anhebt. Sowohl am vorderen als auch am hinteren Ende des Maschinenrahmens 7 ist eine mit diesem verbundene Einrichtung 28,29 zur Messung der Querneigung vorgesehen.The machine 1 has a conventional one for determining the track height Leveling reference system 21, one of a tension wire per rail 4.5 formed level reference straight line 22 includes the front and rear End each over a rod 23 with one on the uncorrected or corrected track guided measuring car 24 or 26 is connected. Another, Measuring car 25 guided on the track is between the track straightening and lifting unit 11 and the tamping unit 18 arranged. With this measuring car 25 a sensor 27 is connected per rail, which by means of its fork-shaped sensor arm in a known manner with the relevant Level reference straight line 22 cooperates. The one supplied by the sensor 27 Measured value, which is the height difference of the track position in the area of Measuring carriage 25 to the level reference straight line embodying the desired track level 22 indicates, is for indirect or direct activity the lifting drive 12 is used, which the track by means of the lifting rollers 16 of the track straightening and lifting unit 11 up to the intended target level lifts. Both at the front and at the rear end of the machine frame 7 is a device 28, 29 connected to the measurement the bank provided.

    Insbesondere in Verbindung mit den Fig. 2, 3 und 4 wird ein weiteres Bezugsystem 30 zur seitlichen Gleislagekorrektur beschrieben. Dieses Bezugsystem 30 setzt sich im wesentlichen aus dem als Referenzbasis dienenden Maschinenrahmen 7, den jeweils über Spurkranzrollen 31 auf den Schienen 4,5 abrollbaren Meßwagen 24,25 und 26 und Meßwertgebern 32,33 und 34 zusammen. Jeder über eine entsprechende Verlängerung 40 direkt mit dem Maschinenrahmen 7 verbundene Meßwertgeber 32,33,34 ist als Roll-Potentiometer ausgebildet, dessen Verstellteil mit Hilfe eines Meßgeberseiles 35 um eine vertikale oder horizontale Achse drehbar ist. Jedes Meßgeberseil 35 ist unter Bildung einer Befestigungsstelle 36 direkt mit dem Meßwagen 24,25,26 verbunden. Anstelle dieser Potentiometer kann beispielsweise auch eine berührungslose Meßeinrichtung eingesetzt werden.In particular in connection with FIGS. 2, 3 and 4, another reference system 30 described for lateral track position correction. This reference system 30 essentially consists of that which serves as a reference basis Machine frame 7, each via flange rollers 31 on the rails 4.5 rollable measuring trolleys 24, 25 and 26 and sensors 32, 33 and 34 together. Each with a corresponding extension 40 directly with the Machine frame 7 connected sensor 32, 33, 34 is a roll potentiometer trained, the adjustment part with the help of a transmitter cable 35 is rotatable about a vertical or horizontal axis. Every encoder cable 35 is forming a fastening point 36 directly with the measuring car 24,25,26 connected. Instead of this potentiometer, for example a non-contact measuring device can also be used.

    Dem vorderen und hinteren Meßwagen 24,26 ist jeweils eine Querneigungs-Meßeinrichtung 37,38 zugeordnet. Sämtliche Meßwagen 24 bis 26 werden in an sich bekannter, nicht näher dargestellter Weise an eine der beiden Schienen 4,5 (Bezugsschiene) angepreßt, um damit das Spurspiel auszuschalten.The front and rear measuring car 24,26 is a bank measurement device 37.38 assigned. All measuring cars 24 to 26 are in in a known, not shown manner on one of the two rails 4.5 (reference rail) pressed to switch off the track play.

    Da die Meßgeberseile 35 der Meßwertgeber 32,33 und 34 ca. 420 mm über SOK (Schienenoberkante) liegen, würde im Übergangs- bzw. Rampenbereich eines Gleisbogens infolge der seitlichen Auslenkung der Befestigungsstelle 36 ein Fehler von bis zu 8 mm auftreten. Diese Auslenkungsfehler können eliminiert werden, indem die Querneigung des vorderen und hinteren Meßwagens 24,26 durch die zugeordnete Querneigungs-Meßeinrichtung 37,38 ermittelt und zur Kompensation der Richtanlage herangezogen wird. Beim mittleren Meßwagen 25 kann der Überhöhungs-Sollwert für das Nivellier-Bezugsystem 21 mitverwendet werden.Since the sensor cables 35 of the sensors 32, 33 and 34 are about 420 mm above SOK (top edge of the rail) would be in the transition or ramp area a track curve due to the lateral deflection of the attachment point 36 an error of up to 8 mm occur. These deflection errors can be eliminated by the bank of the front and rear Measuring car 24,26 through the associated bank measurement device 37.38 is determined and used to compensate the straightening system. In the middle measuring car 25, the setpoint for the cant Level reference system 21 can also be used.

    Sämtliche Befestigungsstellen 36 der Meßgeberseile 35 sind - bezogen auf eine durch die Radaufstandspunkte der Schienenfahrwerke 2,3 gebildete horizontale Bezugsebene 41 - in gleicher Höhe, d.h. in einer zur Bezugsebene parallelen Ebene positioniert. Damit ist sichergestellt, daß alle drei Befestigungsstellen 36 die gleiche seitliche Abweichung erfahren, wenn der Maschinenrahmen 7 einer Querneigung unterliegt. Damit ist auch in diesem Fall ein Meßfehler ausgeschlossen.All mounting points 36 of the transmitter cables 35 are - based on a horizontal formed by the wheel contact points of the rail carriages 2, 3 Reference level 41 - at the same height, i.e. in a to the reference plane parallel plane positioned. This ensures that all three attachment points 36 experience the same lateral deviation when the machine frame 7 is subject to a bank. This is also in this case Measurement errors excluded.

    Anhand der in Fig. 5 ersichtlichen schematischen Darstellung werden verschiedene mathematische Beziehungen aufgezeigt. Dabei sind - im Unterschied zu der in Fig. 1 bis 4 beschriebenen Ausführung - die Meßwertgeber 32,33 und 34 auf den jeweiligen Meßwagen 24,25,26 angeordnet, während die entsprechenden Meßgeberseile 35 mit dem Maschinenrahmen 7 verbunden sind. Dies hat jedoch auf die Wirkungsweise des erfindungsgemäßen Bezugsystems 30 keinen Einfluß. Die Abstände der jeweiligen Meßwertgeber 32 bis 34 in Maschinenquerrichtung zum Maschinenrahmen 7 bzw. zur Befestigungsstelle 36 sind als Vm (vorderer Meßpunkt), Hm (hinterer Meßpunkt) und Ra (Richt-Abweichung) bezeichnet. L definiert die Distanz des vorderen Meßwagens 24 zum hinteren Meßwagen 26. Mit a bzw. b wird der Abstand des hinteren Meßwagens 26 zum mittleren bzw. des vorderen Meßwagens 24 zum mittleren Meßwagen 25 festgelegt. Daraus ergeben sich folgende Beziehungen: Maschinenabhängige Systemkonstante K = b/L Meßwertmittel Mm = (Hm - Vm) . K + Vm Various mathematical relationships are shown on the basis of the schematic representation shown in FIG. 5. In contrast to the embodiment described in FIGS. 1 to 4, the sensors 32, 33 and 34 are arranged on the respective measuring car 24, 25, 26, while the corresponding sensor cables 35 are connected to the machine frame 7. However, this has no influence on the mode of operation of the reference system 30 according to the invention. The distances of the respective transducers 32 to 34 in the cross-machine direction to the machine frame 7 or to the fastening point 36 are designated as Vm (front measuring point), Hm (rear measuring point) and Ra (directional deviation). L defines the distance of the front measuring carriage 24 to the rear measuring carriage 26. With a or b the distance of the rear measuring carriage 26 to the middle or the front measuring carriage 24 to the middle measuring carriage 25 is defined. This results in the following relationships: Machine-dependent system constant K = b / L Measured value mean Mm = (Hm - Vm). K + Vm

    Für den Fall, daß sich das Bezugsystem 30 auf einem exakt geradlinigen Gleis befindet (für einen Null-Abgleich), liegt folgende Bedingung vor: [(Hm - Vm) . K + Vm] - Ra ( ≙ Mm) = 0 In the event that the reference system 30 is on an exactly straight track (for a zero adjustment), the following condition exists: [(Hm - Vm). K + Vm] - Ra (≙ Mm) = 0

    Der zur Durchführung der seitlichen Gleislagekorrektur erforderliche Richtwert (bzw. Verschiebewert) Rw ist durch folgende Gleichung definiert (unter Einbeziehung der Pfeilhöhe h in Gleisbögen): Rw = h - [(Hm - Vm) . K + Vm] - Ra The guide value (or shift value) Rw required to carry out the lateral track position correction is defined by the following equation (including the arrow height h in track arches): Rw = h - [(Hm - Vm). K + Vm] - Ra

    Ein Verschwenken oder Parallelverschieben des Maschinenrahmens 7 hat keinen Einfluß auf das Ergebnis der Richtwert-Ermittlung, nachdem in einer Grundeinstellung ein Null-Abgleich durchgeführt wurde. Bei diesem Null-Abgleich befinden sich alle Meßwagen 24 bis 26 in einer horizontalen Gleisebene, wobei die Schienen 4,5 eine exakte Gerade bilden. Sämtliche Meßwagen 24-26 sind - in Arbeitsrichtung gesehen - an die rechte Schiene 4 angepreßt; die Richtantriebe 13 sind drucklos gesteuert. Das Gleis ist z.B. einbetoniert und kann daher nicht bewegt werden. Mit einem ersten Justier-Potentiometer wird die Anzeige des Richtwertes auf Null getrimmt. Darauffolgend wird der linke Richtantrieb 13 mit maximaler Richtkraft beaufschlagt. Erfolgt eine Abweichung des Richtwertes infolge einer seitlichen Durchbiegung des Maschinenrahmens 7, dann wird die Anzeige mit einem zweiten Justier-Potentiometer entsprechend auf den Wert Null kompensiert. Zwischen diesen beiden Nulleinstellungen liegende Richtkräfte werden durch die Druckgeber 39 erfaßt und entsprechend linear kompensiert, so daß die Richtwerte unter automatischer Kompensation der von den Richtkräften abhängigen Durchbiegungen des Maschinenrahmens 7 richtig angezeigt werden. Der beschriebene Vorgang ist für den rechten Richtantrieb 13 zu wiederholen. Für den Fall, daß der Maschinenrahmen 7 eine zu geringe Verwindungssteifigkeit aufweist, kann die Verwindung mit den endseitig angeordneten Querneigungs-Meßeinrichtungen 37 bzw. 38 erfaßt und ebenfalls zur Kompensation für die Ermittlung des Richtwertes mit einbezogen werden.Has a pivoting or parallel movement of the machine frame 7 no influence on the result of the guideline value determination after in a Basic setting a zero adjustment was carried out. With this zero adjustment are all measuring carriages 24 to 26 in a horizontal track level, the rails 4,5 form an exact straight line. All measuring cars 24-26 are - seen in the working direction - pressed against the right rail 4; the directional drives 13 are controlled without pressure. The track is e.g. concreted and therefore cannot be moved. With a first adjustment potentiometer the display of the guide value is trimmed to zero. Subsequent the left directional drive 13 is subjected to maximum straightening force. If the guide value deviates due to a lateral deflection of the machine frame 7, then the display with a second Adjustment potentiometer compensated accordingly to the value zero. Between Directives lying at these two zero settings are indicated by the pressure sensor 39 is detected and correspondingly linearly compensated, so that the Guide values with automatic compensation of those dependent on the guide forces Deflections of the machine frame 7 are displayed correctly. The process described is to be repeated for the right directional drive 13. In the event that the machine frame 7 has insufficient torsional rigidity has the twist with the ends arranged Bank measuring devices 37 and 38 detected and also for Compensation for determining the guideline value can be included.

    Folgende Vorteile ergeben sich aus dem Einsatz des erfindungsgemäßen Bezugsystems 30 für die seitliche Gleislagekorrektur:
    Durch das Fehlen einer Stahl- oder Lichtsehne können die Arbeitswerkzeuge der Maschine 1 nicht beeinflußt werden.
    Die bei Weichen-Stopfmaschinen aufwendigen Sehnen-Nachlaufsteuerungen am vorderen und hinteren Meßwagen entfallen.
    Die Stopfaggregate können gefahrlos auch über die Gleismitte hinaus querverschoben werden.
    Das Bezugsystem 30 kann mit bewährten, herkömmlichen mechanischen und elektrischen Komponenten aufgebaut werden. Einfache Roll-Meßwertgeber genügen zur Meßwerterfassung.
    Ein durch den Durchhang der Stahlsehne in Rampen und Gleisbögen bedingter Meßfehler entfällt.    The following advantages result from the use of the reference system 30 according to the invention for the lateral track position correction:
    Due to the lack of a steel or light chord, the working tools of the machine 1 cannot be influenced.
    The tendon follow-up controls on the front and rear measuring carriages, which are complex in turnout tamping machines, are no longer required.
    The tamping units can also be safely moved beyond the middle of the track.
    The reference system 30 can be constructed with proven, conventional mechanical and electrical components. Simple roll sensors are sufficient for data acquisition.
    A measurement error caused by the sag of the steel chord in ramps and track bends is eliminated.

    Wie in Fig. 6 ersichtlich, wird in einem Differenzglied 42 die Differenz zwischen dem vorderen und hinteren Meßwertgeber 32,34 gebildet (Hm - Vm). In einem Anpassungsglied 43 erfolgt eine Multiplikation des Differenzwertes mit der Systemkonstante K. In einem weiteren Differenzglied 44, das auch für eine Justierung des Gesamt-Nullwertes eingerichtet ist, erfolgt eine Differenzbildung zu der durch den mittleren Meßwertgeber 33 ermittelten Richt-Abweichung Ra. Parallel dazu wird mit den Querneigungs-Meßeinrichtungen 37,38 bzw. einer weiteren Meßeinrichtung 45 (die dem Nivellier-Bezugsystem 21 zugeordnet ist) die jeweilige Querneigung des zugeordneten Meßwagens 24,25,26 erfaßt. In den nachgeordneten Anpassungsgliedern 46 erfolgt eine entsprechende Beeinflussung des Meßwertes entsprechend der konstruktionsbedingten Seiten-Abweichung der Befestigungsstelle 36 in Abhängigkeit von der Querneigung. In den weiteren Anpassungsgliedern 47,48 erfolgt eine Beeinflussung des Meßwertes gemäß dem konstruktionsbedingten Faktor a/L bzw. b/L. In einem weiteren Differenzglied 49 erfolgt eine Erfassung der Richtkraft (z.B. durch die Druckdifferenz). Die schließlich in einem weiteren Differenzglied 50 summierten und kompensierten Meßwerte werden zur Durchführung der erforderlichen seitlichen Gleislagekorrektur unter Beaufschlagung des jeweiligen Richtantriebes 13 einem hydraulischen Servo-Kreis zugeführt. Parallel dazu erfolgt eine Anzeige des jeweiligen Richtwertes.As can be seen in FIG. 6, the difference between the front and rear sensors 32, 34 (Hm - Vm). The difference value is multiplied in an adaptation element 43 with the system constant K. In a further differential element 44, that too is set up for an adjustment of the total zero value, a difference is formed to the directional deviation determined by the middle sensor 33 Ra. At the same time, the cross-slope measuring devices 37, 38 or another measuring device 45 (which is the level reference system 21 is assigned) the respective bank of the assigned test vehicle 24, 25, 26 recorded. In the subordinate adaptation elements 46 a corresponding influence on the measured value according to the design-related side deviation of the attachment point 36 depending from the bank. In the other adaptation elements 47.48 the measured value is influenced in accordance with the design-related Factor a / L or b / L. A detection takes place in a further differential element 49 the leveling force (e.g. through the pressure difference). The finally in a further differential element 50 summed and compensated measured values are used to carry out the required lateral track position correction Actuation of the respective directional drive 13 a hydraulic Servo circuit fed. At the same time, the respective is displayed Guide value.

    Anstelle eines Stopfaggregates 18 ist beispielsweise auch ein bekanntes Stabilisationsaggregat als Einrichtung zur seitlichen Gleislagekorrektur einsetzbar.Instead of a tamping unit 18, there is also a known one, for example Stabilization unit can be used as a device for lateral track position correction.

    Claims (7)

    1. A track maintenance machine for correcting the track geometry, comprising a machine frame (7) supported on on-track undercarriages and having lining drives (13) for lateral track geometry correction, and measuring trolleys (24-26), designed to roll on a track, which together with the machine frame (7) serving as reference base and measuring sensors (32,33,34) form a reference system (30) to determine the actual position of the track, characterized in that respective lateral inclination measuring devices (37,38) are associated with the measuring trolleys (24,26) located at the front and the rear end of the reference system (30) with respect to the working direction, and a pressure sensor (39) is provided to determine the lining forces of the lining drives (13).
    2. A machine according to claim 1, characterized in that the pressure sensor (39) is coupled with a measuring sensor (33) of a measuring trolley (25) situated in the region of the lining drive (13) for automatic zero value adjustment in dependence on the lining force.
    3. A machine according to claim 1 or 2, characterized in that a vertical extension (40) of the machine frame (7) is connected in each case to a measuring sensor (32-34), designed as a rotary potentiometer with a measuring sensor cable (35), the measuring sensor cable (35) of the said measuring sensor being connected to the respective measuring trolley (24-26), forming an attachment point (36).
    4. A machine according to claim 3, characterized in that all the attachment points (36) of the measuring sensor cables (35) to the measuring trolley (24,25,26) are positioned at the same height - relative to a horizontal reference plane formed by the wheel contact points of the on-track undercarriages (2,3).
    5. A machine according to one of claims 1 to 4, characterized in that provided both at the front and at the rear end of the machine frame (7) is a device (28,29), connected to the said machine frame, for measuring the lateral inclination.
    6. A method for determining lateral track geometry errors by means of measuring sensors associated with a reference system of a track maintenance machine according to claim 1, characterized in that zero settings of the measuring sensors are compensated in dependence on the lateral inclination of the track and the lining force for lateral track displacement.
    7. A method according to claim 6, characterized in that the zero settings are additionally compensated in dependence on twisting of the machine frame (7).
    EP94890158A 1993-11-05 1994-09-30 Railroad maintenance machine for correcting the position of the track Expired - Lifetime EP0652325B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    AT224693 1993-11-05
    AT2246/93 1993-11-05

    Publications (3)

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    EP0652325A2 EP0652325A2 (en) 1995-05-10
    EP0652325A3 EP0652325A3 (en) 1996-05-29
    EP0652325B1 true EP0652325B1 (en) 1999-05-19

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    EP94890158A Expired - Lifetime EP0652325B1 (en) 1993-11-05 1994-09-30 Railroad maintenance machine for correcting the position of the track

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    US (1) US5481982A (en)
    EP (1) EP0652325B1 (en)
    JP (1) JP3609861B2 (en)
    CN (1) CN1066509C (en)
    AT (1) ATE180297T1 (en)
    AU (1) AU672921B2 (en)
    CA (1) CA2135036C (en)
    CZ (1) CZ281099B6 (en)
    DE (1) DE59408278D1 (en)
    ES (1) ES2133526T3 (en)
    FI (1) FI108660B (en)
    HU (1) HU217053B (en)
    PL (1) PL175928B1 (en)
    RU (1) RU2097471C1 (en)
    SK (1) SK280471B6 (en)
    UA (1) UA29439C2 (en)

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    EP2957674B1 (en) * 2014-06-18 2017-10-11 HP3 Real GmbH Method for operating a movable superstructure machine on a railway track
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    AT520795B1 (en) * 2017-12-21 2020-03-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Track construction machine and method for leveling a track
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    CN110453552A (en) * 2019-08-21 2019-11-15 长沙瀚鹏电子技术有限公司 A kind of three rail of railway switch tamping car synchronizes the implementation method and device of track lifting
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    ATE180297T1 (en) 1999-06-15
    PL175928B1 (en) 1999-03-31
    CN1066509C (en) 2001-05-30
    CN1105082A (en) 1995-07-12
    EP0652325A2 (en) 1995-05-10
    AU672921B2 (en) 1996-10-17
    HU217053B (en) 1999-11-29
    HU9403156D0 (en) 1994-12-28
    HUT71036A (en) 1995-11-28
    UA29439C2 (en) 2000-11-15
    PL305700A1 (en) 1995-05-15
    CZ281099B6 (en) 1996-06-12
    FI945211A0 (en) 1994-11-04
    CZ252394A3 (en) 1995-05-17
    US5481982A (en) 1996-01-09
    CA2135036A1 (en) 1995-05-06
    DE59408278D1 (en) 1999-06-24
    JPH07189206A (en) 1995-07-28
    JP3609861B2 (en) 2005-01-12
    FI945211A (en) 1995-05-06
    SK125794A3 (en) 1996-09-04
    FI108660B (en) 2002-02-28
    SK280471B6 (en) 2000-02-14
    EP0652325A3 (en) 1996-05-29
    RU94039541A (en) 1996-12-20
    CA2135036C (en) 2005-01-18
    RU2097471C1 (en) 1997-11-27
    ES2133526T3 (en) 1999-09-16
    AU7420394A (en) 1995-05-18

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