EP2984232B1 - Clearing chain for a ballast cleaning machine having a pull cord switch detecting a lateral displacement - Google Patents

Clearing chain for a ballast cleaning machine having a pull cord switch detecting a lateral displacement Download PDF

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Publication number
EP2984232B1
EP2984232B1 EP14711685.9A EP14711685A EP2984232B1 EP 2984232 B1 EP2984232 B1 EP 2984232B1 EP 14711685 A EP14711685 A EP 14711685A EP 2984232 B1 EP2984232 B1 EP 2984232B1
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EP
European Patent Office
Prior art keywords
track
chain section
lifting unit
stored
versine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14711685.9A
Other languages
German (de)
French (fr)
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EP2984232A1 (en
EP2984232B8 (en
Inventor
Herbert Wörgötter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plasser und Theurer Export Von Bahnbaumaschinen 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.)
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Publication date
Application filed by Franz Plasser Bahnbaumaschinen Industrie GmbH filed Critical Franz Plasser Bahnbaumaschinen Industrie GmbH
Publication of EP2984232A1 publication Critical patent/EP2984232A1/en
Publication of EP2984232B1 publication Critical patent/EP2984232B1/en
Application granted granted Critical
Publication of EP2984232B8 publication Critical patent/EP2984232B8/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
    • E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
    • E01B27/10—Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up track
    • E01B27/105—Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up track the track having been lifted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
    • H01H3/0226—Emergency operating parts, e.g. for stop-switch in dangerous conditions operated by a pull cord

Definitions

  • the invention relates to a method for transferring a longitudinal chain section of a below a track for receiving gravel, arranged on a machine frame Räumkette of a transfer position in a - with respect to a track transverse direction at the end of the threshold adjacent - working position.
  • DE 3 151 652 are already endlessly trained, around the track around rotating clearing chains known for ballast picking. These are essentially composed of a transverse chain section which is in contact with the ballast bed and two longitudinal chain sections which are connected in an articulated manner to the ballast bed. Since, in particular, when transferring the longitudinal chain section from the transfer position to the working position there is the danger that the limit of the clearance gauge is exceeded, a neighboring track adjacent to the track track must be blocked for safety reasons.
  • a method with the features mentioned in the preamble of claim 1 is in EP 1 650 348 A2 revealed, cf. there the clearing chain or ballast picking device 8 in the cleaning machine. 1
  • EP 1 638 206 A2 in the fourth embodiment a position monitoring device in the form of a cable switch.
  • the object of the present invention is now to provide a method of the type mentioned, with a safe transfer of the longitudinal chain section is possible in the working position.
  • FIG. 1 a partial side view of a clearing chain having ballast cleaning machine
  • FIGS. 2 and 3 a view in the machine longitudinal direction and plan view of a part of the clearing chain.
  • FIG. 1 schematically a simplified section of a machine 1 for cleaning gravel of a track 2 is shown, the one on rail bogies Has 3 supported on the track 2 or movable machine frame 4.
  • a clearing chain 5 for receiving track ballast On this are a clearing chain 5 for receiving track ballast, a height and side adjustable track lifting unit 6, a working cabin 7 and conveyor belts 8 arranged for the removal of the excavated ballast and for the introduction of cleaned or new gravel.
  • the vertically and on the machine frame 3 via drives 9 mounted clearing chain 5 consists of two longitudinal chain sections 10 and a transverse chain section 11 and is shown here in a transfer position, while a working position of the clearing chain 5 is indicated in dash-dotted lines.
  • the transverse chain section 11 of the clearing chain 5 is arranged below sleepers 12 of the track 2, wherein the longitudinal chain sections 10 are each located in a position adjacent to sleeper ends 14 with respect to a track transverse direction 13.
  • the longitudinal chain sections 10 In order to transfer the clearing chain 5 from the transfer to the working position, the longitudinal chain sections 10 have to be moved in the transverse direction 13 by means of the drives 9 and then lowered, after which the transverse chain section 11 can be installed.
  • the track 2 is held by means of the track lifting unit 6 in its - now no longer supported by ballast - position.
  • heights of heights which determine the exact position of the track 2 to be machined are first determined in a computing unit 15 (FIG. Fig. 1 ) stored. This can be done, for example, by a measuring run carried out beforehand in a first working step on the track 2 to be processed, in which the arrow height values for the exact track position are determined and stored or subsequently loaded into the arithmetic unit 15.
  • the actual position of the track 2 in this area is measured on the track rail of the track lifting unit 6 by means of donors (not shown) and from this current arrow height values are formed which correspond to the horizontal distance between the lifting unit 6 and the machine frame 4.
  • the current arrow height values are now compared with the stored arrow height values. In the case of a deviation, caused for example by a displacement of the track 2 by the machine 1, the track 2 is moved by the track lifting unit 6 in the stored exact track position.
  • the movement of the longitudinal chain section 10 in the transverse direction 13 of the track is additionally controlled by means of a mechanical connection 16 arranged between the track-lifting unit 6 and the longitudinal chain section 10 as a safety measure.
  • the connection 16 acts - for example in the form of a chain connection 19 - on a limit switch 17, which may be mounted on the longitudinal chain section 10 and on the basis of which the transverse movement of the longitudinal chain section 10 is stopped as soon as a clearance gauge 18 of the track 2 in the direction threatens to be crossed to a neighboring track.
  • the rail traffic on the neighboring track can be maintained even during the transfer of the clearing chain 5.
  • a connected to the limit switch 17 cable connection between the track lifting unit 6 and the longitudinal chain section 10 may be provided which serves to limit the maximum transverse movement of the longitudinal chain section 10 in its transfer to the working position and then takes effect when the said mechanical connection 16 should fail.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Description

Die Erfindung betrifft ein Verfahren zur Überstellung eines Längskettenabschnittes einer zur Aufnahme von Schotter unterhalb eines Gleises dienenden, auf einem Maschinenrahmen angeordneten Räumkette von einer Überstellposition in eine - bezüglich einer Gleisquerrichtung an Schwellenenden angrenzende - Arbeitsposition.The invention relates to a method for transferring a longitudinal chain section of a below a track for receiving gravel, arranged on a machine frame Räumkette of a transfer position in a - with respect to a track transverse direction at the end of the threshold adjacent - working position.

Durch US 4 614 238 , US 4 014 389 bzw. DE 3 151 652 sind bereits endlos ausgebildete, um das Gleis herum rotierende Räumketten zur Schotteraufnahme bekannt. Diese setzen sich im Wesentlichen aus einem mit der Schotterbettung in Kontakt stehenden Querkettenabschnitt und zwei mit diesem gelenkig verbundenen Längskettenabschnitten zusammen. Da insbesondere bei der Überstellung des Längskettenabschnittes von der Überstell- in die Arbeitsposition die Gefahr besteht, dass die Grenze des Lichtraumprofiles überschritten wird, muss ein an das Baugleis angrenzendes Nachbargleis aus Sicherheitsgründen gesperrt werden.By US 4,614,238 . US 4,014,389 respectively. DE 3 151 652 are already endlessly trained, around the track around rotating clearing chains known for ballast picking. These are essentially composed of a transverse chain section which is in contact with the ballast bed and two longitudinal chain sections which are connected in an articulated manner to the ballast bed. Since, in particular, when transferring the longitudinal chain section from the transfer position to the working position there is the danger that the limit of the clearance gauge is exceeded, a neighboring track adjacent to the track track must be blocked for safety reasons.

Ein Verfahren mit den im Oberbegriff des Anspruchs 1 genannten Merkmalen ist in EP 1 650 348 A2 offenbart, vgl. dort die Räumkette bzw. Schotteraufnahmevorrichtung 8 in der Reinigungsmaschine 1.A method with the features mentioned in the preamble of claim 1 is in EP 1 650 348 A2 revealed, cf. there the clearing chain or ballast picking device 8 in the cleaning machine. 1

Weiterhin offenbart EP 1 638 206 A2 im viereten Ausführungsbeispiel eine Positionsüberwachungseinrichtung in Form eines Seilzugschalters.Further disclosed EP 1 638 206 A2 in the fourth embodiment, a position monitoring device in the form of a cable switch.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eine Verfahrens der eingangs genannten Art, mit dem eine sichere Überstellung des Längskettenabschnittes in die Arbeitsposition möglich ist.The object of the present invention is now to provide a method of the type mentioned, with a safe transfer of the longitudinal chain section is possible in the working position.

Diese Aufgabe wird erfindungsgemäß mit den im Kennzeichen von Anspruch 1 angeführten Merkmalen gelöst.This object is achieved with the features stated in the characterizing part of claim 1.

Mit diesen Verfahrensschritten ist es möglich, die Überstellung des Längskettenabschnittes in die Arbeitsposition auch ohne Sperre des angrenzenden Nachbargleises durchzuführen. Da mit der kurzzeitigen Entfernung der gesamten Schotterbettung für die Reinigung des Schotters die ursprüngliche Gleislage komplett verloren geht, ist die Möglichkeit einer Bezugnahme auf die gespeicherten Pfeilhöhenwerte von besonderer Wichtigkeit. Damit ist immer der maximal zulässige Querabstand zwischen dem - entsprechend den gespeicherten Werten zur Wiederherstellung der alten Gleislage zu positionierenden - Gleishebeaggregat und der äußeren Umgrenzung des Längskettenabschnittes genau bekannt. Mit der mechanischen Verbindung besteht zusätzlich noch eine Sicherheit, um eine Verletzung des Lichtraumprofiles auch bei Versagen hydraulischer Komponenten zuverlässig auszuschließen.With these method steps, it is possible to perform the transfer of the longitudinal chain section in the working position without blocking the adjacent adjacent track. Since with the short-term removal of the entire ballast bed for the cleaning of the ballast the original track position is completely lost, the possibility of a reference to the stored arrow height values is of particular importance. Thus, the maximum permissible transverse distance between the - according to the stored values for restoring the old track position to be positioned - track lifting unit and the outer boundary of the longitudinal chain section is always known exactly. With the mechanical connection there is additional security to reliably exclude a violation of the clearance gauge even in case of failure of hydraulic components.

Weitere Vorteile der Erfindung ergeben sich aus den Unteransprüchen und der Zeichnungsbeschreibung.Further advantages of the invention will become apparent from the dependent claims and the drawing description.

Im Folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher beschrieben. Es zeigen: Fig. 1 eine partielle Seitenansicht einer eine Räumkette aufweisenden Schotterreinigungsmaschine, und die Fig. 2 und 3 eine Ansicht in Maschinenlängsrichtung bzw. Draufsicht auf einen Teil der Räumkette.In the following the invention will be described with reference to an embodiment shown in the drawing. Show it: Fig. 1 a partial side view of a clearing chain having ballast cleaning machine, and the FIGS. 2 and 3 a view in the machine longitudinal direction and plan view of a part of the clearing chain.

In Fig. 1 ist schematisch vereinfacht ein Abschnitt einer Maschine 1 zum Reinigen von Schotter eines Gleises 2 dargestellt, die einen über Schienenfahrwerke 3 auf dem Gleis 2 abgestützten bzw. verfahrbaren Maschinenrahmen 4 aufweist. Auf diesem sind eine Räumkette 5 zur Aufnahme von Gleisschotter, ein höhen- und seitenverstellbares Gleishebeaggregat 6, eine Arbeitskabine 7 sowie Förderbänder 8 zum Abtransport des ausgehobenen Schotters sowie zum Einbringen von gereinigtem oder neuem Schotter angeordnet. Die am Maschinenrahmen 3 über Antriebe 9 höhen- und seitenverstellbar gelagerte Räumkette 5 besteht aus zwei Längskettenabschnitten 10 und einem Querkettenabschnitt 11 und ist hier in einer Überstellposition gezeigt, während eine Arbeitsposition der Räumkette 5 in strichpunktierten Linien angedeutet ist.In Fig. 1 schematically a simplified section of a machine 1 for cleaning gravel of a track 2 is shown, the one on rail bogies Has 3 supported on the track 2 or movable machine frame 4. On this are a clearing chain 5 for receiving track ballast, a height and side adjustable track lifting unit 6, a working cabin 7 and conveyor belts 8 arranged for the removal of the excavated ballast and for the introduction of cleaned or new gravel. The vertically and on the machine frame 3 via drives 9 mounted clearing chain 5 consists of two longitudinal chain sections 10 and a transverse chain section 11 and is shown here in a transfer position, while a working position of the clearing chain 5 is indicated in dash-dotted lines.

In der genannten, zur Aufnahme von Schotter aus dem Gleis 2 dienenden Arbeitsposition (wie nun in den Fig. 2 und 3 genauer zu sehen) ist der Querkettenabschnitt 11 der Räumkette 5 unterhalb von Schwellen 12 des Gleises 2 angeordnet, wobei sich die Längskettenabschnitte 10 jeweils in einer - bezüglich einer Gleisquerrichtung 13 - an Schwellenenden 14 angrenzenden Position befinden. Um die Räumkette 5 von der Überstell- in die Arbeitsposition zu transferieren, müssen die Längskettenabschnitte 10 anhand der Antriebe 9 in Gleisquerrichtung 13 bewegt und anschließend abgesenkt werden, wonach der Querkettenabschnitt 11 installiert werden kann. Dabei wird das Gleis 2 mittels des Gleishebeaggregates 6 in seiner - nun nicht mehr durch Schotter abgestützten - Position gehalten.In the mentioned, serving for receiving gravel from the track 2 working position (as now in the FIGS. 2 and 3 to be more precise), the transverse chain section 11 of the clearing chain 5 is arranged below sleepers 12 of the track 2, wherein the longitudinal chain sections 10 are each located in a position adjacent to sleeper ends 14 with respect to a track transverse direction 13. In order to transfer the clearing chain 5 from the transfer to the working position, the longitudinal chain sections 10 have to be moved in the transverse direction 13 by means of the drives 9 and then lowered, after which the transverse chain section 11 can be installed. The track 2 is held by means of the track lifting unit 6 in its - now no longer supported by ballast - position.

Im Rahmen des erfindungsgemäßen Verfahrens zur Überstellung der Räumkette 5 werden nun zuerst Pfeilhöhenwerte, die die exakte Lage des zu bearbeitenden Gleises 2 bestimmen, in einer auf der Maschine 1 vorgesehenen Recheneinheit 15 (Fig. 1) abgespeichert. Dies kann beispielsweise durch eine vorab in einem ersten Arbeitsschritt durchgeführte Messfahrt auf dem zu bearbeitenden Gleis 2 erfolgen, bei der die Pfeilhöhenwerte für die exakte Gleislage ermittelt und abgespeichert bzw. danach in die Recheneinheit 15 geladen werden.In the context of the method according to the invention for transferring the clearing chain 5, firstly, heights of heights which determine the exact position of the track 2 to be machined are first determined in a computing unit 15 (FIG. Fig. 1 ) stored. This can be done, for example, by a measuring run carried out beforehand in a first working step on the track 2 to be processed, in which the arrow height values for the exact track position are determined and stored or subsequently loaded into the arithmetic unit 15.

Weiters wird beim Eingleisen des Gleishebeaggregates 6 anhand von mit diesem verbundenen (nicht dargestellten) Gebern die tatsächliche Position des Gleises 2 in diesem Bereich gemessen und daraus aktuelle Pfeilhöhenwerte gebildet, die dem horizontalen Abstand zwischen dem Hebeaggregat 6 und dem Maschinenrahmen 4 entsprechen. Die aktuellen Pfeilhöhenwerte werden nun mit den gespeicherten Pfeilhöhenwerten verglichen. Im Falle einer Abweichung, verursacht beispielsweise durch eine Versetzung des Gleises 2 durch die Maschine 1, wird das Gleis 2 durch das Gleishebeaggregat 6 in die gespeicherte exakte Gleislage verschoben.Furthermore, the actual position of the track 2 in this area is measured on the track rail of the track lifting unit 6 by means of donors (not shown) and from this current arrow height values are formed which correspond to the horizontal distance between the lifting unit 6 and the machine frame 4. The current arrow height values are now compared with the stored arrow height values. In the case of a deviation, caused for example by a displacement of the track 2 by the machine 1, the track 2 is moved by the track lifting unit 6 in the stored exact track position.

Während des Überstellvorganges wird anhand einer zwischen dem Gleishebeaggregat 6 und dem Längskettenabschnitt 10 angeordneten mechanischen Verbindung 16 die Bewegung des Längskettenabschnitts 10 in Gleisquerrichtung 13 als Sicherheitsmaßnahme zusätzlich kontrolliert. Zu diesem Zweck wirkt die Verbindung 16 - etwa in Form einer Kettenverbindung 19 - auf einen Endschalter 17 ein, der z.B. auf dem Längskettenabschnitt 10 angebracht sein kann und anhand dessen die Querbewegung des Längskettenabschnitts 10 gestoppt wird, sobald ein Lichtraumprofil 18 des Gleises 2 in Richtung zu einem Nachbargleis überschritten zu werden droht. Dadurch kann der Schienenverkehr auf dem Nachbargleis auch während der Überstellung der Räumkette 5 aufrecht erhalten werden.During the transfer operation, the movement of the longitudinal chain section 10 in the transverse direction 13 of the track is additionally controlled by means of a mechanical connection 16 arranged between the track-lifting unit 6 and the longitudinal chain section 10 as a safety measure. For this purpose, the connection 16 acts - for example in the form of a chain connection 19 - on a limit switch 17, which may be mounted on the longitudinal chain section 10 and on the basis of which the transverse movement of the longitudinal chain section 10 is stopped as soon as a clearance gauge 18 of the track 2 in the direction threatens to be crossed to a neighboring track. As a result, the rail traffic on the neighboring track can be maintained even during the transfer of the clearing chain 5.

Zusätzlich kann zur Erhöhung der Sicherheit bzw. alternativ eine mit dem Endschalter 17 verbundene Kabelverbindung zwischen dem Gleishebeaggregat 6 und dem Längskettenabschnitt 10 vorgesehen sein, die zur Begrenzung der maximalen Querbewegung des Längskettenabschnittes 10 bei dessen Überstellung in die Arbeitsposition dient und dann wirksam wird, wenn die genannte mechanische Verbindung 16 versagen sollte.In addition, to increase the safety or alternatively a connected to the limit switch 17 cable connection between the track lifting unit 6 and the longitudinal chain section 10 may be provided which serves to limit the maximum transverse movement of the longitudinal chain section 10 in its transfer to the working position and then takes effect when the said mechanical connection 16 should fail.

Claims (3)

  1. A method of transferring a longitudinal chain section (10) of a clearing chain (5), arranged on a machine frame (4) and serving for taking up ballast underneath a track (2), from a transit position into a working position adjoining sleeper ends (14) with regard to a transverse direction (13) of the track, having the following steps:
    a) versine values determining an exact track position of the track (2) to be treated are stored in a processing unit (15),
    b) the position of the track (2) is measured in the region of a track lifting unit (6) while forming current versine values, then compared to the stored versine values and - in the event of a deviation - shifted into the stored exact track position by means of the track lifting unit (6),
    characterized in that
    c) a movement of the longitudinal chain section (10) in the transverse direction (13) of the track for the subsequent lowering into the working position is checked by a mechanical connection (16), acting upon a limit switch (17), between the track lifting unit (6) and the longitudinal chain section (10) and stopped if a clearance gauge (18) is violated.
  2. A method according to claim 1, characterized in that the track (2) to be treated is travelled over in a first work step and, during this, the versine values for the exact track position are stored.
  3. A method according to claim 1, characterized in that the maximum transverse movement of the longitudinal chain section (10) for the transfer thereof into the working position is limited by a chain connection (19), having a limit switch (17), between the track lifting unit (6) and the longitudinal chain section (10).
EP14711685.9A 2013-04-10 2014-03-14 Clearing chain for a ballast cleaning machine having a pull cord switch detecting a lateral displacement Active EP2984232B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2712013A AT513749B1 (en) 2013-04-10 2013-04-10 Method for transferring a longitudinal chain section of a clearing chain
PCT/EP2014/000706 WO2014166576A1 (en) 2013-04-10 2014-03-14 Clearing chain of a track cleaning machine with safety rope switch protecting against lateral breaking away

Publications (3)

Publication Number Publication Date
EP2984232A1 EP2984232A1 (en) 2016-02-17
EP2984232B1 true EP2984232B1 (en) 2017-11-08
EP2984232B8 EP2984232B8 (en) 2018-01-10

Family

ID=50343731

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14711685.9A Active EP2984232B8 (en) 2013-04-10 2014-03-14 Clearing chain for a ballast cleaning machine having a pull cord switch detecting a lateral displacement

Country Status (7)

Country Link
EP (1) EP2984232B8 (en)
JP (1) JP6253762B2 (en)
CN (1) CN105143555B (en)
AT (1) AT513749B1 (en)
EA (1) EA032060B1 (en)
ES (1) ES2655471T3 (en)
WO (1) WO2014166576A1 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT329107B (en) * 1974-07-05 1976-04-26 Plasser Bahnbaumasch Franz GRUB BED CLEANING MACHINE WITH LEVELING DEVICE
AT343714B (en) 1974-08-14 1978-06-12 Plasser Bahnbaumasch Franz CONVEYOR CHAIN FOR TRACK CONSTRUCTION MACHINES WITH CHAIN TENSIONER
AT370463B (en) 1981-04-22 1983-04-11 Plasser Bahnbaumasch Franz DEFLECTION AND GUIDE DEVICE FOR CONTINUOUS ROOM AND CONVEYOR CHAINS OF TRACK CONSTRUCTION MACHINES
AT377551B (en) 1983-01-10 1985-04-10 Plasser Bahnbaumasch Franz FOERDER- OR SPACE CHAIN ARRANGEMENT FOR TRACKING MACHINES
EP0806523A1 (en) * 1996-05-09 1997-11-12 J. Müller Ag Machine for obtaining a rated railway track
AT405425B (en) * 1997-08-20 1999-08-25 Plasser Bahnbaumasch Franz TRACK CONSTRUCTION MACHINE WITH A LASER REFERENCE SYSTEM AND METHOD
AT409979B (en) * 1997-10-06 2002-12-27 Plasser Bahnbaumasch Franz TRACK CONSTRUCTION MACHINE WITH A REFERENCE SYSTEM FOR CONTROLLING A WORKING UNIT AND METHOD
US6619405B2 (en) * 2001-04-25 2003-09-16 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mbh Ballast cleaning machine and method
US7469479B2 (en) * 2004-04-21 2008-12-30 J. Müller AG Method for measuring tracks
DE102004049024B3 (en) * 2004-09-20 2006-04-13 K.A. Schmersal Holding Kg Position monitoring device
DE502005003071D1 (en) * 2004-09-22 2008-04-17 Plasser Bahnbaumasch Franz Method for scanning a track position
CN202416096U (en) * 2011-12-19 2012-09-05 中铁二局股份有限公司 Sleeper even laying device of cluster sleeper type track laying machine groups

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
JP2016514780A (en) 2016-05-23
AT513749B1 (en) 2014-07-15
AT513749A4 (en) 2014-07-15
CN105143555B (en) 2017-07-18
ES2655471T3 (en) 2018-02-20
CN105143555A (en) 2015-12-09
WO2014166576A1 (en) 2014-10-16
EP2984232A1 (en) 2016-02-17
EP2984232B8 (en) 2018-01-10
JP6253762B2 (en) 2017-12-27
EA032060B1 (en) 2019-04-30
EA201500797A1 (en) 2016-02-29

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