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EP1842962A1 - Method of removing damaged portions of a rail and machine for preparing rails for welding - Google Patents

Method of removing damaged portions of a rail and machine for preparing rails for welding Download PDF

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Publication number
EP1842962A1
EP1842962A1 EP06110538A EP06110538A EP1842962A1 EP 1842962 A1 EP1842962 A1 EP 1842962A1 EP 06110538 A EP06110538 A EP 06110538A EP 06110538 A EP06110538 A EP 06110538A EP 1842962 A1 EP1842962 A1 EP 1842962A1
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EP
European Patent Office
Prior art keywords
rail
machine
replacement
measuring device
length
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06110538A
Other languages
German (de)
French (fr)
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EP1842962B1 (en
Inventor
Josef Theurer
Bernhard Dr. Lichtberger
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
Original Assignee
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.)
Filing date
Publication date
Application filed by Franz Plasser Bahnbaumaschinen Industrie GmbH filed Critical Franz Plasser Bahnbaumaschinen Industrie GmbH
Priority to AT06110538T priority Critical patent/ATE434085T1/en
Priority to EP06110538A priority patent/EP1842962B1/en
Priority to PL06110538T priority patent/PL1842962T3/en
Priority to DK06110538T priority patent/DK1842962T3/en
Priority to DE502006003989T priority patent/DE502006003989D1/en
Priority to ES06110538T priority patent/ES2327667T3/en
Publication of EP1842962A1 publication Critical patent/EP1842962A1/en
Application granted granted Critical
Publication of EP1842962B1 publication Critical patent/EP1842962B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/42—Undetachably joining or fastening track components in or on the track, e.g. by welding, by gluing; Pre-assembling track components by gluing; Sealing joints with filling components
    • E01B29/46—Devices for holding, positioning, or urging together the rail ends

Definitions

  • the invention relates to a method for removing defective rail pieces according to the features cited in the preamble of claim 1 and to a machine for preparing a rail weld.
  • the object of the present invention is now to provide a method of the generic type with which a larger number of welds to achieve a desired rail voltage can be carried out in an efficient manner.
  • both the removal of the defective rail sections and the provision of lengthwise exactly determined replacement rails can be done completely independently of the welding process. Thus, both the welding preparation and the welding itself can be performed with optimum performance.
  • a further object of the present invention is also to provide a machine for preparing a rail weld, with the optimum preparation for producing a high-quality weld with a desired rail tension is possible while achieving a particularly high performance.
  • the resulting rail gap can accurately determine a difference between a current rail tension and whose setpoint is used.
  • a machine equipped with the features according to the invention thus makes it possible to provide a replacement rail which is exactly determined with respect to its length, with which a target rail tension can be automatically achieved by a final welding to the two rail ends.
  • the rail saw mounted displaceably along a guide is of particular advantage. This also allows the production of exactly parallel cutting surfaces for both rail ends, in order to obtain a qualitatively optimal weld with the welding of the replacement piece.
  • FIG. 1 is a side view of a machine assembly for preparing a rail weld
  • Fig. 2 is a plan view of a rail pulling device for contracting two rail ends
  • FIGS. 3 to 15 each show a schematic side view of the machine arrangement in different method sections.
  • FIG. 1 machine assembly 1 is composed of a first Machine 2, a releasably connected thereto by a clutch 3 second machine 4 and a transportable during the transfer drive through this third machine 5 together.
  • These machines 2, 4, 5 each have a machine frame 8 which can be moved by track gears 6 on a track 7 and are each equipped with a travel drive 9.
  • the first machine 2 has a rail bearing device 13 between a driver's cab 10 and a crane boom 12, which can be height-adjusted and rotated by drives 11. This is designed for transport and storage of a number of different lengths replacement rails 14. Below the machine frame 8 and between the two end-side rail chassis 6 extending in a machine longitudinal direction 15 saw guide 16 is provided, on which a rail cutting saw 17 is slidably supported by a drive 18. A covered by the displacement of the rail cutting saw 17 path is registered by a path measuring device 41. In the immediate vicinity of each rail chassis 6, a pair of 21 each Hubstkovn 22 is connected to the machine frame 8, which are lowered by a drive 23 on the track 7.
  • a rail pulling device 20 fastened in a height-adjustable manner by drives 19 on the machine frame 8 is designed to engage two rail ends 24 of a rail 25 of the track 7 (see FIG. Devices 26 are intended for driving or removing rail nails.
  • a height-adjustable grinding device 27 serves for grinding rail web sections.
  • the second machine 4 is equipped with a height-adjustable device 28 for releasing rail anchors and a rotatable roller 29 for releasing adhering to the rail 25 base plates.
  • a height-adjustable transport device 30 is provided, through which the third machine 5 can be transported on the way to the track construction site.
  • This third machine 5 is also equipped with a device 28 for releasing rail anchors.
  • the rail pulling device 20 shown in more detail in FIG. 2, has two pairs 31, spaced apart from one another in the machine longitudinal direction 15, of rail clamps 32 designed to engage the two rail ends 24. By acting on two drives 33, the rail ends 24 are pulled to each other.
  • a force f required for this purpose can be registered by a force measuring device 34.
  • a temperature measuring device 35 is provided for the detection of a current rail temperature.
  • This like the force measuring device 34, is connected by lines 36 to a control and computing unit 38 having a storage medium 37.
  • the different lengths of the stored on the rail storage device 13 as a reserve replacement rails 14 and a respective identification feature are stored.
  • a displacement measuring device 40 is provided to measure a by the distance of the two rail ends 24 to each other defined rail gap 39.
  • the machine assembly 1 is moved in the direction shown by an arrow 44 and stopped before the installation point 43 (FIG. 3). After placing the third machine 5 on the track 7 (FIG. 4), the threshold anchors lying in the drawing to the left of the installation point 43 are released with the aid of the device 28 until the machine 5 has reached an end position shown in FIG ,
  • the second machine 4 is moved in the direction of the installation point 43, whereby the corresponding device 28 releases the threshold anchors (positioned in the image plane to the right of the installation point 43) (FIG. 6).
  • the length of those rail sections in which the rail anchors are released is detected by a Wegmeßrad and transmitted by radio to the control and processing unit 38. In the area of these rail sections and the rail nails are removed or loosened. With the help of the lowered roller 29 takes place a detachment of the base plates from the rail of the slightly lifted from the thresholds Rails.
  • the first machine 2 is moved to the installation point 43 and marked that point on the rail 25 at which a first separation cut is to take place (FIG. 7).
  • the rail cutting saw 17 is subsequently positioned above the marked position and the first separating cut is made, through which the two mutually distanced rail ends 21 are formed to form a rail gap 39 (see FIG. Adjustable rotatable wire brushes 45 mounted on the machine frame 8 are pressed onto a rail web of the two rail ends 24 in order to optimize the contact points provided for the welding unit.
  • a rail bogie 6 positioned at one end of the first machine 2 is lifted by lowering the associated lifting rams 22 and slightly away from the track 7.
  • the rail pulling device 20 is placed on the two rail ends 21 (FIGS. 9 and 2) in order to pull them together under the action of the two drives 33 until the rail gap 39 has been eliminated.
  • the required force f is registered and recorded by the force measuring device 34.
  • the two rail ends are repeatedly pulled together until the limited by removing the rail nails Rail sections are in a de-energized state.
  • the actual rail temperature is measured with the aid of the temperature measuring device 35, and the length 1 of the rail gap is measured by the displacement measuring device 40.
  • the second and third machine 4, 5 have now been moved to the next defective track piece to solve the threshold anchor in the required length.
  • the suitable replacement rail 14 is automatically calculated.
  • the rail cutting saw 17 is moved while measuring its displacement path as long as on the saw guide 16 in the working direction 44 and in the machine longitudinal direction forward until the calculated by the control and processing unit 38 length for the rail section 42 to be removed is reached. This length was calculated taking into account the length of the selected replacement rail 14 and the difference between the actual rail temperature and a stored neutral temperature.
  • the replacement rail 14 selected by the control and computing unit 38 is deposited on the track 7, one end being positioned adjacent a rail end 24 (FIGS. 11, 12).
  • the second end of the replacement rail 14 is optionally overlapping with respect to the second rail end 24 - depending on the difference between the actual and neutral temperature.
  • the corresponding rail nails are driven into the sleepers (FIG. 13).
  • the first machine 2- after lowering the raised rail carriage 6-advances so far in the working direction 44 that machining of the rail ends 24 by the grinding device 27 is possible. Subsequently (FIG. 15), the machine 2 is moved on to the next following installation point 43, during which the described work steps are repeated.
  • the two welds for the welding of the replacement rail 14 by a subsequent, not shown welding machine performed in Abbrennstumpfsch spavon, the relevant measurement data are transmitted by radio or diskette from the control and processing unit 38 to a control unit of the welding machine.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

In einem Verfahren zum effizienten Entfernen einer großen Anzahl schadhafter Schienenstücke (42) werden nach einem ersten Trennschnitt beide Schienenenden (24) durch eine diese miteinander verbindende Schienenziehvorrichtung (20) erfasst und zueinander gezogen. Die für das Zusammenziehen erforderliche Zugkraft sowie eine aktuelle Schienentemperatur werden für eine Berechnung jener Länge einer Ersatzschiene (14) registriert, die für die Herstellung einer Soll-Schienenspannung erfordedich ist. Ein zweiter Trennschnitt wird unter entsprechender Wegmessung in einer auf Basis der gewählten Länge der Ersatzschiene (14) berechneten Distanz zum ersten Trennschnitt distanziert durchgeführt.In a method for efficiently removing a large number of defective rail pieces (42), after a first separating cut, both rail ends (24) are grasped and pulled together by a rail pulling device (20) connecting them to one another. The pulling force required for contraction and a current rail temperature are recorded for a calculation of that length of replacement rail (14) required to produce a desired rail tension. A second separating cut is carried out with appropriate distance measurement in a distance calculated on the basis of the selected length of the replacement rail (14) to the first separating cut.

Description

Die Erfindung betrifft ein Verfahren zum Entfernen schadhafter Schienenstücke gemäß den im Oberbegriff von Anspruch 1 angeführten Merkmalen sowie eine Maschine zur Vorbereitung einer Schienenschweißung.The invention relates to a method for removing defective rail pieces according to the features cited in the preamble of claim 1 and to a machine for preparing a rail weld.

Es sind durch US 4 929 816 , GB 0 326 794 , US 4 983 801 und US 6 515 249 bereits zahlreiche Verfahren bzw. Vorrichtungen zum Verschweißen von Schienenenden bekannt.It is through US 4,929,816 . GB 0 326 794 . US 4,983,801 and US Pat. No. 6,515,249 already known numerous methods and devices for welding rail ends.

Durch US 5 469 791 ist es bekannt, Schienen mit einer speziellen Maschine zur Einbaustelle zu transportieren. Durch eine zweite und dritte Maschine wird eine Schienenziehvorrichtung und ein Schweißaggregat bereitgestellt.By US 5,469,791 it is known to transport rails with a special machine to the installation site. By a second and third machine, a rail pulling device and a welding unit is provided.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Verfahrens der gattungsgemäßen Art, mit dem auch eine größere Anzahl von Schweißungen zur Erzielung einer Soll-Schienenspannung in effizienter Weise durchführbar ist.The object of the present invention is now to provide a method of the generic type with which a larger number of welds to achieve a desired rail voltage can be carried out in an efficient manner.

Diese Aufgabe wird erfindungsgemäß mit einem Verfahren der gattungsgemäßen Art durch die im Kennzeichen von Anspruch 1 angeführten Merkmale gelöst.This object is achieved by a method of the generic type by the features cited in the characterizing part of claim 1.

Durch diese Verfahrensmerkmale ist es möglich, in Verbindung mit einer Entfernung eines schadhaften Schienenstückes eine Differenz zwischen einer aktuellen Schienenspannung und einer Soll-Schienenspannung zu ermitteln. Unter Berücksichtigung der ermittelten Differenz kann die erforderliche Länge des zu entfernenden Schienenstückes in Abstimmung auf die Länge des Ersatzstückes genau bestimmt werden. Die längenmäßig exakt vorbereitete Ersatzschiene ermöglicht eine rasche Durchführung der beiden erforderlichen Schweißvorgänge unter Erzielung einer Soll-Schienenspannung. In vorteilhafter Weise kann sowohl die Entfernung der schadhaften Schienenstücke als auch die Bereitstellung längenmäßig exakt bestimmter Ersatzschienen völlig unabhängig vom Schweißvorgang erfolgen. Damit kann sowohl die Schweißvorbereitung als auch die Schweißung selbst mit optimaler Leistung durchgeführt werden.By means of these method features, it is possible to determine a difference between a current rail voltage and a desired rail voltage in connection with a removal of a defective rail section. Taking into account the difference determined, the required length of the rail piece to be removed can be determined exactly in accordance with the length of the replacement piece. The lengthwise exactly prepared replacement rail allows rapid implementation of the two required welding operations while achieving a target rail voltage. Advantageously, both the removal of the defective rail sections and the provision of lengthwise exactly determined replacement rails can be done completely independently of the welding process. Thus, both the welding preparation and the welding itself can be performed with optimum performance.

Eine weitere Aufgabe der vorliegenden Erfindung liegt auch in der Schaffung einer Maschine zur Vorbereitung einer Schienenschweißung, mit der unter Erzielung einer besonders hohen Arbeitsleistung eine optimale Vorbereitung zur Herstellung einer hochwertigen Schweißung mit einer Soll-Schienenspannung möglich ist.A further object of the present invention is also to provide a machine for preparing a rail weld, with the optimum preparation for producing a high-quality weld with a desired rail tension is possible while achieving a particularly high performance.

Diese Aufgabe wird durch die im Kennzeichen von Anspruch 5 angeführten Merkmale gelöst.This object is achieved by the features cited in the characterizing part of claim 5.

Mit der Schienenziehvorrichtung kann die sich ergebende Schienenlücke zur genauen Ermittlung einer Differenz zwischen einer aktuellen Schienenspannung und deren Sollwert genützt werden. Eine mit den erfindungsgemäßen Merkmalen ausgestattete Maschine ermöglicht somit die Bereitstellung einer bezüglich ihrer Länge exakt bestimmten Ersatzschiene, mit der durch eine abschließende Anschweißung an die beiden Schienenenden automatisch eine Soll-Schienenspannung erzielbar ist. Um die genaue Länge des zu entfernenden schadhaften Schienenstückes zu erhalten, ist die entlang einer Führung verschiebbar gelagerte Schienentrennsäge von besonderem Vorteil. Dies ermöglicht auch die Herstellung exakt parallel zueinander verlaufender Schnittflächen für beide Schienenenden, um mit der Anschweißung des Ersatzstückes schließlich eine qualitativ optimale Schweißung zu erhalten.With the rail puller, the resulting rail gap can accurately determine a difference between a current rail tension and whose setpoint is used. A machine equipped with the features according to the invention thus makes it possible to provide a replacement rail which is exactly determined with respect to its length, with which a target rail tension can be automatically achieved by a final welding to the two rail ends. In order to obtain the exact length of the defective track piece to be removed, the rail saw mounted displaceably along a guide is of particular advantage. This also allows the production of exactly parallel cutting surfaces for both rail ends, in order to obtain a qualitatively optimal weld with the welding of the replacement piece.

Zusätzliche Vorteile der Erfindung ergeben sich aus den weiteren Ansprüchen und der Zeichnungsbeschreibung.Additional advantages of the invention will become apparent from the other claims and the drawing description.

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

Fig. 1 eine Seitenansicht einer Maschinenanordnung zur Vorbereitung einer Schienenschweißung,1 is a side view of a machine assembly for preparing a rail weld,

Fig. 2 eine Draufsicht auf eine Schienenziehvorrichtung zum Zusammenziehen zweier Schienenenden, undFig. 2 is a plan view of a rail pulling device for contracting two rail ends, and

Fig. 3 bis 15 je eine schematisierte Seitenansicht der Maschinenanordnung in verschiedenen Verfahrensabschnitten.FIGS. 3 to 15 each show a schematic side view of the machine arrangement in different method sections.

Eine in Fig. 1 ersichtliche Maschinenanordnung 1 setzt sich aus einer ersten Maschine 2, einer mit dieser durch eine Kupplung 3 lösbar verbundenen zweiten Maschine 4 sowie einer während der Überstellfahrt durch diese transportierbaren dritten Maschine 5 zusammen. Diese Maschinen 2,4,5 weisen je einen durch Schienenfahrwerke 6 auf einem Gleis 7 verfahrbaren Maschinenrahmen 8 auf und sind je mit einem Fahrantrieb 9 ausgestattet.An apparent in Fig. 1 machine assembly 1 is composed of a first Machine 2, a releasably connected thereto by a clutch 3 second machine 4 and a transportable during the transfer drive through this third machine 5 together. These machines 2, 4, 5 each have a machine frame 8 which can be moved by track gears 6 on a track 7 and are each equipped with a travel drive 9.

Die erste Maschine 2 weist zwischen einer Fahrkabine 10 und einem durch Antriebe 11 höhenverstell- und drehbaren Kranausleger 12 eine Schienenlagereinrichtung 13 auf. Diese ist zum Transport und zur Lagerung von einer Anzahl verschieden langer Ersatzschienen 14 ausgebildet. Unterhalb des Maschinenrahmens 8 und zwischen den beiden endseitigen Schienenfahrwerken 6 ist eine in einer Maschinenlängsrichtung 15 verlaufende Sägeführung 16 vorgesehen, auf der eine Schienentrennsäge 17 durch einen Antrieb 18 verschiebbar gelagert ist. Ein durch die Verschiebung der Schienentrennsäge 17 zurückgelegter Weg wird durch eine Wegmesseinrichtung 41 registriert. In unmittelbarer Nähe zu jedem Schienenfahrwerk 6 ist je ein Paar 21 von Hubstempeln 22 mit dem Maschinenrahmen 8 verbunden, die durch einen Antrieb 23 auf das Gleis 7 absenkbar sind.The first machine 2 has a rail bearing device 13 between a driver's cab 10 and a crane boom 12, which can be height-adjusted and rotated by drives 11. This is designed for transport and storage of a number of different lengths replacement rails 14. Below the machine frame 8 and between the two end-side rail chassis 6 extending in a machine longitudinal direction 15 saw guide 16 is provided, on which a rail cutting saw 17 is slidably supported by a drive 18. A covered by the displacement of the rail cutting saw 17 path is registered by a path measuring device 41. In the immediate vicinity of each rail chassis 6, a pair of 21 each Hubstempeln 22 is connected to the machine frame 8, which are lowered by a drive 23 on the track 7.

Eine durch Antriebe 19 höhenverstellbar am Maschinenrahmen 8 befestigte Schienenziehvorrichtung 20 ist zum Erfassen zweier Schienenenden 24 einer Schiene 25 des Gleises 7 (s. Fig. 2) ausgebildet. Vorrichtungen 26 sind zum Eintreiben bzw. Ausziehen von Schienennägeln vorgesehen. Eine höhenverstellbare Schleifvorrichtung 27 dient zum Abschleifen von Schienenstegabschnitten.A rail pulling device 20 fastened in a height-adjustable manner by drives 19 on the machine frame 8 is designed to engage two rail ends 24 of a rail 25 of the track 7 (see FIG. Devices 26 are intended for driving or removing rail nails. A height-adjustable grinding device 27 serves for grinding rail web sections.

Die zweite Maschine 4 ist mit einer höhenverstellbaren Vorrichtung 28 zum Lösen von Schienenankern und einer drehbaren Rolle 29 zum Lösen von an der Schiene 25 haftenden Unterlagsplatten ausgerüstet. Vor dem vorderen Schienenfahrwerk 6 ist eine höhenverstellbare Transporteinrichtung 30 vorgesehen, durch die die dritte Maschine 5 auf der Fahrt zur Gleisbaustelle transportierbar ist. Diese dritte Maschine 5 ist ebenfalls mit einer Vorrichtung 28 zum Lösen von Schienenankern ausgestattet.The second machine 4 is equipped with a height-adjustable device 28 for releasing rail anchors and a rotatable roller 29 for releasing adhering to the rail 25 base plates. In front of the front rail chassis 6, a height-adjustable transport device 30 is provided, through which the third machine 5 can be transported on the way to the track construction site. This third machine 5 is also equipped with a device 28 for releasing rail anchors.

Die in Fig. 2 näher dargestellte Schienenziehvorrichtung 20 weist zwei in Maschinenlängsrichtung 15 voneinander distanzierte Paare 31 von zum Erfassen der beiden Schienenden 24 ausgebildeten Schienenzangen 32 auf. Durch Beaufschlagung zweier Antriebe 33 sind die Schieneenden 24 zueinander ziehbar. Eine dafür erforderliche Kraft f ist durch eine Kraftmesseinrichtung 34 registrierbar. Für die Erfassung einer aktuellen Schienentemperatur ist eine Temperaturmesseinrichtung 35 vorgesehen. Diese ist ebenso wie die Kraftmesseinrichtung 34 durch Leitungen 36 mit einer ein Speichermedium 37 aufweisenden Steuer- und Recheneinheit 38 verbunden. Im Speichermedium 37 sind die verschiedenen Längen der auf der Schienenlagereinrichtung 13 als Vorrat gelagerten Ersatzschienen 14 sowie ein jeweiliges Identifikationsmerkmal gespeichert. Zur Messung einer durch die Distanz der beiden Schienenenden 24 zueinander definierten Schienenlücke 39 ist eine Wegmesseinrichtung 40 vorgesehen.The rail pulling device 20, shown in more detail in FIG. 2, has two pairs 31, spaced apart from one another in the machine longitudinal direction 15, of rail clamps 32 designed to engage the two rail ends 24. By acting on two drives 33, the rail ends 24 are pulled to each other. A force f required for this purpose can be registered by a force measuring device 34. For the detection of a current rail temperature, a temperature measuring device 35 is provided. This, like the force measuring device 34, is connected by lines 36 to a control and computing unit 38 having a storage medium 37. In the storage medium 37, the different lengths of the stored on the rail storage device 13 as a reserve replacement rails 14 and a respective identification feature are stored. To measure a by the distance of the two rail ends 24 to each other defined rail gap 39, a displacement measuring device 40 is provided.

In Verbindung mit den weiteren Figuren 3 bis 15 wird nun das Verfahren zum Entfernen schadhafter Schienenstücke 42 und zur Schweißvorbereitung näher beschrieben, wobei durch eine strichpunktierte Linie die in den Fig. 3 bis 15 unveränderte, durch das zu entfernende Schienenstück 42 bestimmte örtliche Einbaustelle 43 am Gleis 7 angedeutet ist.In connection with the further FIGS. 3 to 15, the method for removing defective rail sections 42 and for welding preparation will now be described in more detail, wherein the local installation point 43, which is unchanged in FIGS. 3 to 15 and determined by the rail section 42 to be removed, is indicated by a dot-dash line Track 7 is indicated.

Die Maschinenanordnung 1 wird in der durch einen Pfeil 44 dargestellten Richtung verfahren und vor der Einbaustelle 43 gestoppt (Fig. 3). Nach dem Aufsetzen der dritten Maschine 5 auf das Gleis 7 (Fig. 4) werden die - in der Zeichnung links von der Einbaustelle 43 liegenden - Schwellenanker mit Hilfe der Vorrichtung 28 gelöst, bis die Maschine 5 eine in Fig. 5 ersichtliche Endposition erreicht hat.The machine assembly 1 is moved in the direction shown by an arrow 44 and stopped before the installation point 43 (FIG. 3). After placing the third machine 5 on the track 7 (FIG. 4), the threshold anchors lying in the drawing to the left of the installation point 43 are released with the aid of the device 28 until the machine 5 has reached an end position shown in FIG ,

Parallel dazu wird die zweite Maschine 4 in Richtung zur Einbaustelle 43 verfahren, wobei durch die entsprechende Vorrichtung 28 die - in Bildebene rechts von der Einbaustelle 43 positionierten - Schwellenanker gelöst werden (Fig. 6). Die Länge jener Schienenabschnitte, in denen die Schienenanker gelöst werden, wird durch ein Wegmeßrad erfasst und per Funk an die Steuer- und Recheneinheit 38 weitergegeben. Im Bereich dieser Schienenabschnitte werden auch die Schienennägel entfernt bzw. gelockert. Mit Hilfe der abgesenkten Rolle 29 erfolgt eine Ablösen der Unterlagsplatten vom Schienenfuß der geringfügig von den Schwellen abgehobenen Schienen.In parallel, the second machine 4 is moved in the direction of the installation point 43, whereby the corresponding device 28 releases the threshold anchors (positioned in the image plane to the right of the installation point 43) (FIG. 6). The length of those rail sections in which the rail anchors are released is detected by a Wegmeßrad and transmitted by radio to the control and processing unit 38. In the area of these rail sections and the rail nails are removed or loosened. With the help of the lowered roller 29 takes place a detachment of the base plates from the rail of the slightly lifted from the thresholds Rails.

Die erste Maschine 2 wird zur Einbaustelle 43 verfahren und jene Stelle an der Schiene 25 markiert, an der ein erster Trennschnitt erfolgen soll (Fig.7).The first machine 2 is moved to the installation point 43 and marked that point on the rail 25 at which a first separation cut is to take place (FIG. 7).

Gemäß Fig. 8 wird in weiterer Folge die Schienentrennsäge 17 über der markierten Stelle positioniert und der erste Trennschnitt durchgeführt, durch den die beiden voneinander distanzierten Schienenenden 21 unter Bildung einer Schienenlücke 39 (s. Fig. 2) entstehen. Verstellbar am Maschinenrahmen 8 gelagerte, rotierbare Drahtbürsten 45 werden an einen Schienensteg der beiden Schienenenden 24 angepresst, um die für das Schweißaggregat vorgesehenen Kontaktstellen zu optimieren. Ein an einem Ende der ersten Maschine 2 positioniertes Schienenfahrwerk 6 wird durch Absenken der zugeordneten Hubstempeln 22 und geringfügig vom Gleis 7 abgehoben.8, the rail cutting saw 17 is subsequently positioned above the marked position and the first separating cut is made, through which the two mutually distanced rail ends 21 are formed to form a rail gap 39 (see FIG. Adjustable rotatable wire brushes 45 mounted on the machine frame 8 are pressed onto a rail web of the two rail ends 24 in order to optimize the contact points provided for the welding unit. A rail bogie 6 positioned at one end of the first machine 2 is lifted by lowering the associated lifting rams 22 and slightly away from the track 7.

Die Schienenziehvorrichtung 20 wird auf die beiden Schienenenden 21 aufgelegt (Fig. 9 bzw. 2), um diese unter Beaufschlagung der beiden Antriebe 33 solange zueinander zu ziehen, bis die Schienenlücke 39 eliminiert ist. Die dazu erforderliche Kraft f wird durch die Kraftmesseinrichtung 34 registriert und aufgezeichnet. Um mit Sicherheit eine gegebenenfalls durch Verklemmung der Schienen verursachte falsche Kraftmessung auszuschließen, werden die beiden Schienenenden wiederholt zusammengezogen, bis sich die durch Entfernung der Schienennägeln begrenzten Schienenabschnitte in einem spannungslosen Zustand befinden. Parallel dazu werden mit Hilfe der Temperaturmesseinrichtung 35 die aktuelle Schienentemperatur und durch die Wegmesseinrichtung 40 die Länge l der Schienenlücke gemessen. Die zweite und dritte Maschine 4, 5 wurden inzwischen zum nächsten schadhaften Schienenstück verfahren, um die Schwellenanker in der erforderlichen Länge zu lösen.The rail pulling device 20 is placed on the two rail ends 21 (FIGS. 9 and 2) in order to pull them together under the action of the two drives 33 until the rail gap 39 has been eliminated. The required force f is registered and recorded by the force measuring device 34. In order to exclude a possibly caused by jamming of the rails wrong force measurement, the two rail ends are repeatedly pulled together until the limited by removing the rail nails Rail sections are in a de-energized state. In parallel, the actual rail temperature is measured with the aid of the temperature measuring device 35, and the length 1 of the rail gap is measured by the displacement measuring device 40. The second and third machine 4, 5 have now been moved to the next defective track piece to solve the threshold anchor in the required length.

Auf Basis der an die Steuer- und Recheneinheit 38 weitergegebenen Messwerte sowie der im Speichermedium 37 abgespeicherten Längen der vorrätigen und für eine optimale Schweißung bereits vorpräparierten Ersatzschienen 14 wird automatisch die geeignete Ersatzschiene 14 errechnet. Die Schienentrennsäge 17 wird unter Messung ihres Verschiebeweges solange auf der Sägeführung 16 in Arbeitsrichtung 44 sowie in Maschinenlängsrichtung nach vorne verschoben, bis die durch die Steuer-und Recheneinheit 38 errechnete Länge für das zu entfernende Schienenstück 42 erreicht ist. Diese Länge wurde unter Berücksichtigung der Länge der ausgewählten Ersatzschiene 14 sowie der Differenz zwischen der aktuellen Schienentemperatur und einer abgespeicherten Neutraltemperatur berechnet. Bei der erforderlichen Länge der Ersatzschiene 14 muss auch der durch die zweifache Abbrennstumpfschweißung anfallende Abbrand sowie die Schienenverkürzung nach dem Stauchschlag berücksichtigt werden, um schließlich trotz dieser Verkürzungen mit der Anschweißung der Ersatzschiene 14 eine gewünschte Soll-Schienenspannung zu erhalten. Nach einem zweiten Trennschnitt (Fig. 10) durch die Schienentrennsäge 17 und der Entfernung der Schienennägeln wird das abgetrennte schadhafte Schienenstück 42 entfernt. Es ist natürlich auch möglich, insbesondere wenn keine passende Ersatzschiene 14 vorhanden ist, von einer längeren Ersatzschiene 14 ein Stück in passender Länge abzutrennen.On the basis of the measured values relayed to the control and arithmetic unit 38 as well as the lengths of the stored spare rails 14 already stored in the storage medium 37 and for an optimal welding, the suitable replacement rail 14 is automatically calculated. The rail cutting saw 17 is moved while measuring its displacement path as long as on the saw guide 16 in the working direction 44 and in the machine longitudinal direction forward until the calculated by the control and processing unit 38 length for the rail section 42 to be removed is reached. This length was calculated taking into account the length of the selected replacement rail 14 and the difference between the actual rail temperature and a stored neutral temperature. In the required length of the replacement rail 14 and the costs incurred by the double Abbrennstumpfschweißung burnup and shortening the rail after the upset stroke must be considered to finally, despite these shortening with the welding of the replacement rail 14 a desired target rail tension to obtain. After a second separating cut (FIG. 10) by the rail cutting saw 17 and the removal of the rail nails, the severely damaged rail piece 42 is removed. Of course, it is also possible, in particular if no suitable replacement rail 14 is present, to separate a piece of suitable length from a longer replacement rail 14.

Mit Hilfe des Kranauslegers 12 wird die von der Steuer- und Recheneinheit 38 ausgewählte Ersatzschiene 14 auf das Gleis 7 abgelegt, wobei ein Ende an ein Schienenende 24 anliegend positioniert wird (Fig. 11,12). Das zweite Ende der Ersatzschiene 14 wird bezüglich des zweiten Schienenendes 24 gegebenenfalls - in Abhängigkeit der Differenz zwischen Ist-und Neutraltemperatur - überlappend angeordnet. Zur Lagesicherung der auf dem Gleis 7 positionierten Ersatzschiene 14 werden die entsprechenden Schienennägel in die Schwellen eingetrieben (Fig. 13).With the aid of the crane jib 12, the replacement rail 14 selected by the control and computing unit 38 is deposited on the track 7, one end being positioned adjacent a rail end 24 (FIGS. 11, 12). The second end of the replacement rail 14 is optionally overlapping with respect to the second rail end 24 - depending on the difference between the actual and neutral temperature. To secure the position of the replacement rail 14 positioned on the track 7, the corresponding rail nails are driven into the sleepers (FIG. 13).

Wie in Fig. 14 ersichtlich, wird die erste Maschine 2 - nach Absenkung des angehobenen Schienenfahrwerkes 6 - in Arbeitsrichtung 44 soweit vorgefahren, dass eine Bearbeitung der Schienenenden 24 durch die Schleifvorrichtung 27 möglich ist. Anschließend (Fig. 15) erfolgt eine Weiterfahrt der Maschine 2 zur nächstfolgenden Einbaustelle 43, bei der sich die beschriebenen Arbeitsschritte wiederholen.As can be seen in FIG. 14, the first machine 2-after lowering the raised rail carriage 6-advances so far in the working direction 44 that machining of the rail ends 24 by the grinding device 27 is possible. Subsequently (FIG. 15), the machine 2 is moved on to the next following installation point 43, during which the described work steps are repeated.

Die beiden Schweißungen für die Anschweißung der Ersatzschiene 14 werden durch eine nachfolgende, nicht näher dargestellte Schweißmaschine im Abbrennstumpfschweißverfahren durchgeführt, wobei die relevanten Messdaten per Funk oder Diskette von der Steuer- und Recheneinheit 38 auf eine Steuereinheit der Schweißmaschine weitergegeben werden.The two welds for the welding of the replacement rail 14 by a subsequent, not shown welding machine performed in Abbrennstumpfschweißverfahren, the relevant measurement data are transmitted by radio or diskette from the control and processing unit 38 to a control unit of the welding machine.

Claims (12)

Verfahren zum Entfernen schadhafter Schienenstücke (42) von verschweißten, eine aktuelle Schienenspannung sowie eine aktuelle Schienentemperatur aufweisenden Schienen (25) eines Gleises (7), wobei nach zwei Trennschnitten - unter Bildung einer Schienenlücke (39) sowie zweier Schienenenden (24) - eine Ersatzschiene (14) an die beiden Schienenenden (24) angeschweißt wird, gekennzeichnet durch folgende Merkmale: a) nach dem ersten Trennschnitt werden beide Schienenenden (24) durch eine diese miteinander verbindende Schienenziehvorrichtung (20) erfasst sowie unter Aufbringung einer Zugkraft f zur Beseitigung der Schienenlücke (39) zueinander gezogen, b) dabei werden die für das Zusammenziehen der Schienenenden (24) erforderliche Zugkraft f sowie eine aktuelle Schienentemperatur für eine Berechnung jener Länge einer Ersatzschiene (14) registriert, die für die Herstellung einer - nach beidseitiger Anschweißung der Ersatzschiene (14) an beide Schienenenden (24) vorliegenden - Soll-Schienenspannung erforderlich ist, c) der zweite Trennschnitt wird unter entsprechender Wegmessung in einer auf Basis der gewählten Länge der Ersatzschiene (14) berechneten Distanz zum ersten Trennschnitt distanziert durchgeführt. A method for removing defective rail pieces (42) of welded, a current rail tension and a rail (25) of a track (7) having a current rail temperature, wherein after two separating cuts - forming a rail gap (39) and two rail ends (24) - a replacement rail (14) is welded to the two rail ends (24), characterized by the following features: a) after the first separating cut, both rail ends (24) are grasped by a rail pulling device (20) connecting them to one another and pulled towards one another by applying a tensile force f to eliminate the rail gap (39), b) thereby the tensile force f required for the contraction of the rail ends (24) and a current rail temperature for a calculation of that length of a replacement rail (14) are registered, which are used for the production of a - after welding the replacement rail (14) to both rail ends ( 24) present - desired rail voltage is required c) the second separating cut is carried out with appropriate distance measurement in a distance calculated on the basis of the selected length of the replacement rail (14) to the first separating cut. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass nach dem ersten Trennschnitt die durch eine Distanz der beiden Schienenenden (24) gebildete Schienenlücke (39) gemessen wird.A method according to claim 1, characterized in that after the first separating cut, the rail gap (39) formed by a distance of the two rail ends (24) is measured. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass Ersatzschienen (14) in verschiedener Länge vorrätig gehalten werden und bezüglich ihrer jeweiligen Länge in einem Speichermedium (37) einer Steuer-und Recheneinheit (38) abgespeichert sind.A method according to claim 1, characterized in that spare rails (14) are kept in stock in different lengths and stored with respect to their respective length in a storage medium (37) of a control and computing unit (38). Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass die Berechnung der erforderlichen Länge der Ersatzschiene (14) durch die Steuer- und Recheneinheit (38) automatisch auf eine der vorrätigen Ersatzschienen (14) abgestimmt wird, so dass diese in ihrer unveränderten Länge unter Erzielung der Soll-Schienenspannung an beide Schienenenden (24) anschweißbar ist.A method according to claim 3, characterized in that the calculation of the required length of the replacement rail (14) by the control and arithmetic unit (38) is automatically tuned to one of the stock replacement rails (14), so that it can be welded in its unmodified length while achieving the desired rail voltage to both rail ends (24). Maschine (2) mit einem auf Schienenfahrwerken (6) verfahrbaren Maschinenrahmen (8) zur Vorbereitung einer Schienenschweißung, gekennzeichnet durch folgende Merkmale: a) eine Schienenlagereinrichtung (13) zur Lagerung einer Anzahl von Ersatzschienen (14), b) ein durch Antriebe (11) höhenverstell- und drehbarer Kranausleger (12) zum Erfassen und Abladen einer Ersatzschiene (14), c) eine höhenverstellbare Schienentrennsäge (17), die auf einer in Maschinenlängsrichtung verlaufenden Sägeführung (16) verstellbar gelagert ist, d) eine durch Antriebe (19) verstellbar auf dem Maschinenrahmen (8) gelagerte Schienenziehvorrichtung (20) mit zwei voneinander distanzierten Paaren (31) von zum Erfassen und Zueinanderziehen von zwei Schienenenden (24) ausgebildeten Schienenzangen (32), e) ein in unmittelbarer Nähe zu einem Schienenfahrwerk (6) angeordnetes Paar (21) von am Maschinenrahmen (8) befestigten, zur Auflage auf einem Gleis (7) absenkbaren, zum Abheben des angrenzenden Schienenfahrwerkes (6) vom Gleis (7) vorgesehenen Hubstempeln (22). Machine (2) with a machine frame (8) which can be moved on rail bogies (6) in preparation for rail welding, characterized by the following features: a) a rail bearing device (13) for supporting a number of replacement rails (14), b) a by elevators (11) höhenverstell- and rotatable crane boom (12) for detecting and unloading a replacement rail (14), c) a height-adjustable rail cutting saw (17) which is adjustably mounted on a sawing guide (16) running in the machine longitudinal direction, d) a rail pulling device (20) mounted on the machine frame (8) by drives (19) with two mutually spaced pairs (31) of rail clamps (32) designed to engage and pull two rail ends (24), e) a in the immediate vicinity of a rail chassis (6) arranged pair (21) of the machine frame (8) fixed, lowered to rest on a track (7), for lifting the adjacent rail chassis (6) from the track (7) provided Hubstempeln (22). Maschine nach Anspruch 5, dadurch gekennzeichnet, dass die Schienenziehvorrichtung (20) mit einer Kraftmesseinrichtung (34) zum Registrieren einer für das Zusammenziehen beider Schienenenden (24) erforderlichen Kraft f ausgestattet ist.Machine according to claim 5, characterized in that the rail pulling device (20) is equipped with a force measuring device (34) for registering a force f required for the contraction of both rail ends (24). Maschine nach Anspruch 5, dadurch gekennzeichnet, dass eine Temperaturmesseinrichtung (35) zum Registrieren einer aktuellen Schienentemperatur vorgesehen ist.Machine according to claim 5, characterized in that a temperature measuring device (35) is provided for registering a current rail temperature. Maschine nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass eine Steuer- und Recheneinheit (38) mit einem Speichermedium (37) vorgesehen ist, in dem die verschiedenen Längen der in der Schienenlagereinrichtung (13) vorrätigen Ersatzschienen (14) speicherbar sind.Machine according to one of claims 5 to 7, characterized in that a control and computing unit (38) with a storage medium (37) is provided, in which the different lengths of the rail storage device (13) in stock replacement rails (14) can be stored. Maschine nach Anspruch 5, dadurch gekennzeichnet, dass die Schienentrennsäge (17) mit einer Wegmesseinrichtung (41) zur automatischen Erfassung eines Verschiebeweges entlang der Sägeführung (16) gekoppelt ist.Machine according to claim 5, characterized in that the rail cutting saw (17) is coupled to a path measuring device (41) for the automatic detection of a displacement path along the saw guide (16). Maschine nach Anspruch 8, dadurch gekennzeichnet, dass die Steuer- und Recheneinheit (38) zur Eingabe eines Wertes für eine Neutraltemperatur ausgebildet und zur Registrierung der jeweiligen Messwerte mit der Wegmesseinrichtung (40), der Temperaturmesseinrichtung (35) und der Kraftmesseinrichtung (34) verbunden ist.Machine according to Claim 8, characterized in that the control and computing unit (38) is designed to input a value for a neutral temperature and connected to the path measuring device (40), the temperature measuring device (35) and the force measuring device (34) for registering the respective measured values is. Maschinenanordnung zur Vorbereitung einer Schienenschweißung mit einer Maschine nach Anspruch 5, dadurch gekennzeichnet, dass eine zweite, durch einen Fahrantrieb (9) selbstverfahrbare Maschine (4) mit einer Vorrichtung (28) zum Lösen von Schienenankern vorgesehen ist.Machine arrangement for preparing a rail weld with a machine according to claim 5, characterized in that a second machine (4), which is self-propelled by a travel drive (9), is provided with a device (28) for releasing rail anchors. Maschinenanordnung nach Anspruch 11, dadurch gekennzeichnet, dass eine dritte, selbstverfahrbare Maschine (5) mit einer Vorrichtung (28) zum Lösen von Schienenankern vorgesehen ist, wobei diese dritte Maschine (5) mit Hilfe einer Transporteinrichtung (30) für eine Überstellfahrt zu einer Gleisbaustelle durch die zweite Maschine (4) transportierbar ist.Machine arrangement according to claim 11, characterized in that a third, self-propelled machine (5) is provided with a device (28) for releasing rail anchors, said third machine (5) by means of a transport device (30) for a transfer drive to a track construction site by the second machine (4) is transportable.
EP06110538A 2006-04-04 2006-04-04 Method of removing damaged portions of a rail and machine for preparing rails for welding Not-in-force EP1842962B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT06110538T ATE434085T1 (en) 2006-04-04 2006-04-04 METHOD FOR REMOVAL OF DAMAGED RAIL PIECES OF A TRACK AND MACHINE FOR PREPARING A RAIL WELDING
EP06110538A EP1842962B1 (en) 2006-04-04 2006-04-04 Method of removing damaged portions of a rail and machine for preparing rails for welding
PL06110538T PL1842962T3 (en) 2006-04-04 2006-04-04 Method of removing damaged portions of a rail and machine for preparing rails for welding
DK06110538T DK1842962T3 (en) 2006-04-04 2006-04-04 Procedure for removing damaged rail pieces
DE502006003989T DE502006003989D1 (en) 2006-04-04 2006-04-04 a track and machine to prepare a rail weld
ES06110538T ES2327667T3 (en) 2006-04-04 2006-04-04 PROCEDURE TO REMOVE DETERIORATED RAILWAYS OF A ROAD AND MACHINE TO PREPARE A WELDING OF RAILS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06110538A EP1842962B1 (en) 2006-04-04 2006-04-04 Method of removing damaged portions of a rail and machine for preparing rails for welding

Publications (2)

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EP1842962A1 true EP1842962A1 (en) 2007-10-10
EP1842962B1 EP1842962B1 (en) 2009-06-17

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EP06110538A Not-in-force EP1842962B1 (en) 2006-04-04 2006-04-04 Method of removing damaged portions of a rail and machine for preparing rails for welding

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EP (1) EP1842962B1 (en)
AT (1) ATE434085T1 (en)
DE (1) DE502006003989D1 (en)
DK (1) DK1842962T3 (en)
ES (1) ES2327667T3 (en)
PL (1) PL1842962T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2998310A1 (en) * 2012-11-16 2014-05-23 Anciens Etablissements Lucien Geismar Soc D ASSEMBLY FOR A CLAMPING DEVICE OF A RAIL TENSIONER

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469791A (en) * 1993-09-17 1995-11-28 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mobile machine for preparing rails for welding
WO2002026437A1 (en) * 2000-09-29 2002-04-04 Valley Greg A Method of railroad rail repair

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469791A (en) * 1993-09-17 1995-11-28 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mobile machine for preparing rails for welding
WO2002026437A1 (en) * 2000-09-29 2002-04-04 Valley Greg A Method of railroad rail repair

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2998310A1 (en) * 2012-11-16 2014-05-23 Anciens Etablissements Lucien Geismar Soc D ASSEMBLY FOR A CLAMPING DEVICE OF A RAIL TENSIONER

Also Published As

Publication number Publication date
ES2327667T3 (en) 2009-11-02
EP1842962B1 (en) 2009-06-17
PL1842962T3 (en) 2009-08-31
DE502006003989D1 (en) 2009-07-30
ATE434085T1 (en) 2009-07-15
DK1842962T3 (en) 2009-08-24

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