EP3371369A1 - Method and track-building machine for renewing sleepers of a track formed from rails and the sleepers - Google Patents

Method and track-building machine for renewing sleepers of a track formed from rails and the sleepers

Info

Publication number
EP3371369A1
EP3371369A1 EP16790386.3A EP16790386A EP3371369A1 EP 3371369 A1 EP3371369 A1 EP 3371369A1 EP 16790386 A EP16790386 A EP 16790386A EP 3371369 A1 EP3371369 A1 EP 3371369A1
Authority
EP
European Patent Office
Prior art keywords
track
sleepers
skids
rails
machine frame
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
EP16790386.3A
Other languages
German (de)
French (fr)
Other versions
EP3371369B1 (en
Inventor
Jörg Ganz
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.)
Matisa Materiel Industriel SA
Original Assignee
Matisa Materiel Industriel SA
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 Matisa Materiel Industriel SA filed Critical Matisa Materiel Industriel SA
Priority to PL16790386T priority Critical patent/PL3371369T3/en
Publication of EP3371369A1 publication Critical patent/EP3371369A1/en
Application granted granted Critical
Publication of EP3371369B1 publication Critical patent/EP3371369B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E01B29/06—Transporting, laying, removing or renewing sleepers
    • E01B29/09—Transporting, laying, removing or renewing sleepers under, or from under, installed rails
    • E01B29/10—Transporting, laying, removing or renewing sleepers under, or from under, installed rails for inserting or removing sleepers
    • 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
    • E01B29/06—Transporting, laying, removing or renewing sleepers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B33/00—Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track
    • E01B33/02—Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track for slewing, i.e. transversely shifting, in steps

Definitions

  • the invention relates to a method for renewing sleepers of a track formed from rails and the sleepers, wherein the rails in the range of - a machine frame of a track construction machine on the thresholds supporting - skids with respect to a normal to a track longitudinal direction transverse track direction are distanced from each other.
  • the invention further relates to a track construction machine for carrying out the method.
  • a track construction machine for the renewal of railway tracks which has a supported on rail chassis machine frame. At one end of a device projecting in the machine longitudinal direction devices for old sleepers and Neuschwellenablage and for the preparation of the ballast bed are arranged.
  • the track undercarriage is supported during the working phase on skids, which are movable on the old sleepers of the track, after the sleepers have been freed by spreading out the old rails of these.
  • FIG. 1 shows a side view of a section of a track construction according to the invention.
  • 2a and 2d each show a schematic top view of various phases of the working use of the machine.
  • a track construction machine 1 shown in Fig. 1 is part of a (known per se) track renewal train 2, which is composed of several mutually coupled vehicles and is designed to renew a rail 3 and 4 sleepers shaped track 5.
  • the machine 1 has a machine frame 6, which is movable on rail carriages 7 on the track 5 in a working direction 8 and end connected to other (not shown) vehicles of the conversion train 2.
  • Conveyor belts 15 are provided for the transport of swells from or to (not shown) threshold wagons by means of a gantry crane 1 6.
  • Rail guide tongs 17 serve to lift the rails 3 away from the old sleepers 4 and to spread them apart from one another in a transverse track direction 19 which runs normal to a track longitudinal direction 18 (see FIG.
  • skids 20 which, as shown in FIG in a distance approximately equal to the distance between the rails 3 speaking distance in the track transverse direction 19 are spaced from each other and formed adjustable in height.
  • the two pairs of skids 20 a likewise adjustable in height connected to the machine frame 6 intermediate support 21, which consists of four support devices 22 in the example shown here.
  • These are arranged in track transverse direction 19 next to each other in the region of the rail chassis 7 and distributed approximately uniformly over the length of a threshold 4. (Designs with only one or more support devices are equally possible in the context of the invention).
  • the drawings 2a to 2d now show the process sequence according to the invention in a threshold renewal without rail replacement.
  • the track renewal train 2 is moved into the construction site until the rail chassis 7 is at the point where the threshold change should begin (FIG. 2a).
  • the support devices 22 of the intermediate support 21 are lowered onto the old sleepers 4 and supported on them and thereby the rail carriage 7 is automatically lifted off the rails 3 (FIG. 2b).
  • the support devices 22 may also be supported on the track bed 12.
  • both the area of the skids 20 in front of and behind the rail chassis. 7 as well as the intermediate support 21 includes, so that at the same time both pairs of skids 20 can be placed on the liberated from the rails 3 sleepers 4 (Fig. 2c).
  • the intermediate support 21 is taken by vertical adjustment again out of service, so that the machine frame 6 of the track construction machine 1 now rests on the skids 20 on the old sleepers 4 and can be moved forward in the working direction along this sliding in the working direction 8, while the expansion of old sleepers 4 or the installation of new sleepers 14 by means of the devices 10 and 13 is carried out to the construction site end.
  • the Ausfädelvorgang the track renewal train 2 at this point is finally in analogous reverse manner to the threading.

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

Abstract

In a method for renewing sleepers of a track (5) formed from rails (3) and the sleepers (4), the placement of skids (20), which support a machine frame (6) of a track-building machine (1) on the sleepers (4), is preceded by the machine frame (6) being intermediately supported on the sleepers (4). The two rails (3) are then distanced from one another, while avoiding a separation, in a track section comprising both the region of the skids (20) and the intermediate support (21). After supporting the machine frame (6) on the skids (20), the intermediate support (21) is lifted off the sleepers (4) and the advance of work is begun.

Description

VERFAHREN UND GLEISBAUMASCHINE ZUR ERNEUERUNG VON SCHWELLEN EINES AUS SCHIENEN UND DEN SCHWELLEN GEBILDETEN GLEISES.  METHOD AND RAILING MACHINE FOR RENEWING THRESHOLDS OF A RAIL AND SLAVE TRAIN.
[0001 ] Die Erfindung betrifft ein Verfahren zur Erneuerung von Schwellen eines aus Schienen und den Schwellen gebildeten Gleises, wobei die Schienen im Bereich von - einen Maschinenrahmen einer Gleisbaumaschine auf den Schwellen abstützenden - Gleitkufen bezüglich einer normal zu einer Gleislängsrichtung verlaufenden Gleisquerrichtung voneinander distanziert werden. Die Erfindung betrifft ferner eine Gleisbaumaschine zur Durchführung des Verfahrens. The invention relates to a method for renewing sleepers of a track formed from rails and the sleepers, wherein the rails in the range of - a machine frame of a track construction machine on the thresholds supporting - skids with respect to a normal to a track longitudinal direction transverse track direction are distanced from each other. The invention further relates to a track construction machine for carrying out the method.
[0002] Gemäß EP 0 670 932 B1 ist eine Gleisbaumaschine zur Erneuerung von Eisenbahngleisen bekannt, die einen auf Schienenfahrwerken abgestützten Maschinenrahmen aufweist. An dessen einen Ende sind an einem in Maschinenlängsrichtung vorkragenden Ausleger Vorrichtungen zur Altschwellenaufnahme und Neuschwellenablage sowie zur Aufbereitung des Schotterbetts angeordnet. Das in diesem Bereich befindliche Schienenfahrwerk ist während der Arbeitsphase auf Gleitkufen abgestützt, die auf den Altschwellen des Gleises verfahrbar sind, nachdem die Schwellen durch Ausspreizen der Altschienen von diesen befreit wurden.  According to EP 0 670 932 B1 a track construction machine for the renewal of railway tracks is known, which has a supported on rail chassis machine frame. At one end of a device projecting in the machine longitudinal direction devices for old sleepers and Neuschwellenablage and for the preparation of the ballast bed are arranged. The track undercarriage is supported during the working phase on skids, which are movable on the old sleepers of the track, after the sleepers have been freed by spreading out the old rails of these.
[0003] Auch in EP 0 089 076 B1 und CH 683 01 1 A5 ist eine derartige Abstützung eines Fahrwerks eines Maschinenrahmens über Gleitkufen auf freigelegten Schwellen eines Gleises beschrieben. [0004] Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Verfahrens bzw. einer Gleisbaumaschine der eingangs genannten Art, mit dem bzw. der ein Schwellenwechselvorgang optimierbar ist. Also in EP 0 089 076 B1 and CH 683 01 1 A5 such support of a chassis of a machine frame via skids on exposed sleepers of a track is described. The object of the present invention is now to provide a method or a track construction machine of the type mentioned, with or a threshold change process can be optimized.
[0005] Diese Aufgabe wird erfindungsgemäß mit einem Verfahren und einer Gleisbaumaschine der gattungsgemäßen Art durch die in Anspruch 1 bzw. 2 angeführten Merkmale gelöst.  This object is achieved by a method and a track construction machine of the generic type by the recited in claim 1 or 2 features.
[0006] Die hierdurch geschaffene Möglichkeit eines Schwellenwechsels ohne die herkömmlicherweise zu diesem Zweck übliche Durchtrennung der Altschienen ist insbesondere bei jenen Baustellen von großem Vorteil, bei denen nur die Schwellen erneuert werden sollen, nicht aber die Schienen. In diesen in der Praxis relativ häufig vorkommenden Fällen war es bislang erforderlich, am Ende der Baustelle die Schienen wieder zu verbinden und danach das Gleis zu neutralisieren, um die vorgeschriebene Schienenspannung wieder herzustellen. Dieser zusätzliche, verlängerte Gleissperrzeiten und höhere Kosten verursachende aufwändige Arbeitsschritt kann nun in günstiger Weise entfallen, da die Verspannung des Gleises während der Schwellenerneuerung aufrechterhalten werden kann.  The thus created possibility of a threshold change without the usual customary for this purpose transection of the old rails is particularly in those construction sites of great advantage in which only the thresholds to be renewed, but not the rails. In these cases, which are relatively common in practice, it has hitherto been necessary to reconnect the rails at the end of the construction site and then to neutralize the track in order to restore the prescribed rail tension. This additional, extended track locking times and higher costs causing complex operation can now be eliminated in a favorable manner, since the tension of the track can be maintained during the threshold renewal.
[0007] Weitere Vorteile der Erfindung ergeben sich zusätzlich auch aus der Zeichnungsbeschreibung.  Further advantages of the invention are also apparent from the description of the drawing.
[0008] Im Folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher beschrieben. Es zeigen: Fig. 1 eine Seitenansicht eines Abschnitts einer erfindungsgemäß ausgebildeten Gleisbauma- schine, und Fig. 2a bis 2d jeweils eine schematische Draufsicht auf verschiedene Phasen des Arbeitseinsatzes der Maschine. In the following the invention will be described with reference to an embodiment shown in the drawing. 1 shows a side view of a section of a track construction according to the invention. 2a and 2d each show a schematic top view of various phases of the working use of the machine.
[0009] Eine in Fig. 1 dargestellte Gleisbaumaschine 1 ist Teil eines (an sich bekannten) Gleisumbauzuges 2, der sich aus mehreren aneinander gekuppelten Fahrzeugen zusammensetzt und zur Erneuerung eines aus Schienen 3 und Schwellen 4 geformten Gleises 5 ausgebildet ist. Die Maschine 1 weist einen Maschinenrahmen 6 auf, der über Schienenfahrwerke 7 auf dem Gleis 5 in einer Arbeitsrichtung 8 verfahrbar ist und endseitig mit weiteren (nicht gezeigten) Fahrzeugen des Umbauzuges 2 verbunden ist.  A track construction machine 1 shown in Fig. 1 is part of a (known per se) track renewal train 2, which is composed of several mutually coupled vehicles and is designed to renew a rail 3 and 4 sleepers shaped track 5. The machine 1 has a machine frame 6, which is movable on rail carriages 7 on the track 5 in a working direction 8 and end connected to other (not shown) vehicles of the conversion train 2.
[0010] Am bezüglich der Arbeitsrichtung 8 hinteren Ende 9 des Maschinenrahmens 6 befinden sich verschiedene Arbeitsaggregate in Form einer Vorrichtung 10 zur Aufnahme von alten Schwellen 4, eines Schotterpfluges 1 1 zur Bearbeitung einer freigelegten Gleisbettung 12 sowie einer Vorrichtung 13 zur Ablage von neuen Schwellen 14. Förderbänder 15 sind zum Schwellentransport von bzw. zu (nicht dargestellten) Schwellenwaggons mittels eines Portal- krans 1 6 vorgesehen. Schienenführungszangen 17 dienen zum Abheben der Schienen 3 von den alten Schwellen 4 und zu deren Ausspreizen bzw. Distanzierung voneinander in einer normal zu einer Gleislängsrichtung 18 verlaufenden Gleisquerrichtung 19 (s. Fig. 2).  At the rear end 9 of the machine frame 6 with respect to the working direction 8 are various working units in the form of a device 10 for receiving old sleepers 4, a ballast plow 1 1 for processing an exposed Gleisbettung 12 and a device 13 for storing new sleepers 14th Conveyor belts 15 are provided for the transport of swells from or to (not shown) threshold wagons by means of a gantry crane 1 6. Rail guide tongs 17 serve to lift the rails 3 away from the old sleepers 4 and to spread them apart from one another in a transverse track direction 19 which runs normal to a track longitudinal direction 18 (see FIG.
[001 1 ] In den Bereichen - bezüglich der Arbeitsrichtung 8 - unmittelbar vor und hinter dem am hinteren Ende 9 des Maschinenrahmens 6 angeordneten Schie- nenfahrwerk 7 ist jeweils ein Paar von Gleitkufen 20 vorgesehen, die - wie in Fig. 2 zu sehen - jeweils in einem etwa dem Abstand der Schienen 3 ent- sprechenden Abstand in der Gleisquerrichtung 19 voneinander distanziert und höhenverstellbar ausgebildet sind. Weiter befindet sich zwischen den beiden Paaren von Gleitkufen 20 eine ebenfalls höhenverstellbar mit dem Maschinenrahmen 6 verbundene Zwischenabstützung 21 , die im hier dargestellten Beispiel aus insgesamt 4 Stützvorrichtungen 22 besteht. Diese sind in Gleisquerrichtung 19 nebeneinander im Bereich des Schienenfahrwerks 7 angeordnet und annähernd gleichmäßig über die Länge einer Schwelle 4 verteilt. (Ausführungen mit nur einer oder mehreren Stützvorrichtungen sind im Rahmen der Erfindung gleichermaßen möglich). In the regions-with respect to the working direction 8 -directly in front of and behind the rail running gear 7 arranged at the rear end 9 of the machine frame 6, there is respectively provided a pair of skids 20 which, as shown in FIG in a distance approximately equal to the distance between the rails 3 speaking distance in the track transverse direction 19 are spaced from each other and formed adjustable in height. Next is located between the two pairs of skids 20 a likewise adjustable in height connected to the machine frame 6 intermediate support 21, which consists of four support devices 22 in the example shown here. These are arranged in track transverse direction 19 next to each other in the region of the rail chassis 7 and distributed approximately uniformly over the length of a threshold 4. (Designs with only one or more support devices are equally possible in the context of the invention).
[0012] Die Zeichnungen 2a bis 2d zeigen nun den erfindungsgemäßen Verfahrensablauf bei einer Schwellenerneuerung ohne Schienenwechsel. Der Gleisumbauzug 2 wird in die Baustelle so weit eingefahren, bis sich das Schienen- fahrwerk 7 an der Stelle befindet, wo der Schwellenwechsel beginnen soll (Fig. 2a). Dann werden die Stützvorrichtungen 22 der Zwischenabstützung 21 auf die alten Schwellen 4 abgesenkt bzw. auf diesen abgestützt und dadurch das Schienenfahrwerk 7 automatisch von den Schienen 3 abgehoben (Fig. 2b). Alternativ können die Stützvorrichtungen 22 auch auf der Gleisbettung 12 abgestützt werden.  The drawings 2a to 2d now show the process sequence according to the invention in a threshold renewal without rail replacement. The track renewal train 2 is moved into the construction site until the rail chassis 7 is at the point where the threshold change should begin (FIG. 2a). Then the support devices 22 of the intermediate support 21 are lowered onto the old sleepers 4 and supported on them and thereby the rail carriage 7 is automatically lifted off the rails 3 (FIG. 2b). Alternatively, the support devices 22 may also be supported on the track bed 12.
[0013] Nach Entfernung der Schienenbefestigungen werden nun die beiden Schienen 3, ohne durchtrennt zu werden und somit unter Aufrechterhaltung der Schienenspannung, mittels der Schienenführungszangen 17 in Gleisquerrichtung 19 ausgespreizt. Dies geschieht in einem Gleisabschnitt 23, der sowohl den Bereich der Gleitkufen 20 vor und hinter dem Schienenfahrwerk 7 als auch die Zwischenabstützung 21 umfasst, so dass zugleich beide Paare von Gleitkufen 20 auf die von den Schienen 3 befreiten Schwellen 4 aufgelegt werden können (Fig. 2c). After removal of the rail fasteners now the two rails 3, without being cut and thus spread out while maintaining the rail tension, by means of the rail guide tongs 17 in the transverse direction 19. This is done in a track section 23, both the area of the skids 20 in front of and behind the rail chassis. 7 as well as the intermediate support 21 includes, so that at the same time both pairs of skids 20 can be placed on the liberated from the rails 3 sleepers 4 (Fig. 2c).
Anschließend wird die Zwischenabstützung 21 durch Vertikalverstellung wieder außer Betrieb genommen, sodass der Maschinenrahmen 6 der Gleisbaumaschine 1 nun über die Gleitkufen 20 auf den alten Schwellen 4 ruht und im Rahmen der Arbeitsvorfahrt entlang dieser gleitend in Arbeitsrichtung 8 vorwärts bewegt werden kann, während der Ausbau der alten Schwellen 4 bzw. der Einbau von neuen Schwellen 14 anhand der Vorrichtungen 10 und 13 bis zum Baustellenende durchgeführt wird. Der Ausfädelvorgang des Gleisumbauzugs 2 an dieser Stelle erfolgt abschließend in analog umgekehrter Weise zum Einfädelvorgang. Subsequently, the intermediate support 21 is taken by vertical adjustment again out of service, so that the machine frame 6 of the track construction machine 1 now rests on the skids 20 on the old sleepers 4 and can be moved forward in the working direction along this sliding in the working direction 8, while the expansion of old sleepers 4 or the installation of new sleepers 14 by means of the devices 10 and 13 is carried out to the construction site end. The Ausfädelvorgang the track renewal train 2 at this point is finally in analogous reverse manner to the threading.

Claims

P a t e n t a n s p r ü c h e Patent claims
1 . Verfahren zur Erneuerung von Schwellen eines aus Schienen (3) und den Schwellen (4) gebildeten Gleises (5), wobei die Schienen (3) im Bereich von - einen Maschinenrahmen (6) einer Gleisbaumaschine (1 ) auf den Schwellen (4) abstützenden - Gleitkufen (20) bezüglich einer normal zu einer Gleislängsrichtung (1 8) verlaufenden Gleisquerrichtung (1 9) voneinander distanziert werden, gekennzeichnet durch folgende Merkmale: 1 . Method for renewing sleepers of a track (5) formed by rails (3) and sleepers (4), the rails (3) being supported in the area of - a machine frame (6) of a track laying machine (1) on the sleepers (4) - Skids (20) with respect to a normal to a track longitudinal direction (1 8) extending track transverse direction (1 9) are spaced from each other, characterized by the following features:
a) vor der Auflage der Gleitkufen (20) auf den Schwellen (4) erfolgt eine AbStützung des Maschinenrahmens (6) auf den Schwellen (4) oder auf einer Gleisbettung (1 2) anhand einer höhenverstellbaren Zwischenabstützung (21 ), b) die beiden Schienen (3) werden unter Vermeidung einer Trennung in einem sowohl den Bereich der Gleitkufen (20) als auch die Zwischenabstützung (21 ) umfassenden Gleisabschnitt (23) voneinander distanziert, a) before the support of the skids (20) on the sleepers (4) carried a support of the machine frame (6) on the thresholds (4) or on a track bed (1 2) based on a height-adjustable intermediate support (21), b) the two Rails (3) are distanced from each other while avoiding separation in a track section (23) comprising both the area of the skids (20) and the intermediate support (21),
c) der Maschinenrahmen (6) wird auf den Gleitkufen (20) abgestützt, wonach die Zwischenabstützung (21 ) von den Schwellen (4) bzw. der Gleisbettung (1 2) abgehoben und die Arbeitsvorfahrt begonnen wird. c) the machine frame (6) is supported on the skids (20), after which the intermediate support (21) of the sleepers (4) and the track bed (1 2) lifted and the Arbeitsvorfahrt is started.
2. Gleisbaumaschine zur Erneuerung von Schwellen eines aus Schienen (3) und den Schwellen (4) gebildeten Gleises (5) durch ein Verfahren nach Anspruch2. Track construction machine for renewing sleepers of a rail (3) and the sleepers (4) formed track (5) by a method according to claim
1 , wobei der Maschinenrahmen (6) Gleitkufen (20) zur Abstützung auf den Schwellen (4) aufweist, dadurch gekennzeichnet, dass bezüglich der Gleislängsrichtung (1 8) zwischen einem vorderen und einem hinteren Paar von Gleitkufen (20) eine höhenverstellbare Zwischenabstützung (21 ) für eine Abstützung auf den Schwellen (4) oder auf einer Gleisbettung (12) mit dem Maschinenrahmen (6) verbunden ist. 1, wherein the machine frame (6) skids (20) for supporting on the thresholds (4), characterized in that with respect to the track longitudinal direction (1 8) between a front and a rear pair of skids (20) a height-adjustable intermediate support (21) for support on the sleepers (4) or on a track bed (12) with the machine frame (6) is connected.
EP16790386.3A 2015-11-03 2016-11-03 Method and track-building machine for renewing sleepers of a track formed from rails and the sleepers Active EP3371369B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16790386T PL3371369T3 (en) 2015-11-03 2016-11-03 Method and track-building machine for renewing sleepers of a track formed from rails and the sleepers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01595/15A CH711720B1 (en) 2015-11-03 2015-11-03 Process for initiating a sleeper change process for renewing sleepers of a track and track construction machine formed from rails and the sleepers.
PCT/EP2016/076598 WO2017076994A1 (en) 2015-11-03 2016-11-03 Method and track-building machine for renewing sleepers of a track formed from rails and the sleepers

Publications (2)

Publication Number Publication Date
EP3371369A1 true EP3371369A1 (en) 2018-09-12
EP3371369B1 EP3371369B1 (en) 2020-01-01

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EP16790386.3A Active EP3371369B1 (en) 2015-11-03 2016-11-03 Method and track-building machine for renewing sleepers of a track formed from rails and the sleepers

Country Status (8)

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US (1) US11124923B2 (en)
EP (1) EP3371369B1 (en)
CN (1) CN108368679B (en)
CH (1) CH711720B1 (en)
ES (1) ES2776677T3 (en)
PL (1) PL3371369T3 (en)
RU (1) RU2675982C1 (en)
WO (1) WO2017076994A1 (en)

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CN102002898A (en) * 2010-12-15 2011-04-06 株洲长远铁路建机股份有限公司 Construction method of group-sleeper long rail track-laying unit for laying seamless track ballasted beds

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CN108368679A (en) 2018-08-03
CH711720A2 (en) 2017-05-15
CN108368679B (en) 2021-02-12
US11124923B2 (en) 2021-09-21
ES2776677T8 (en) 2020-08-07
RU2675982C1 (en) 2018-12-25
US20180320324A1 (en) 2018-11-08
WO2017076994A1 (en) 2017-05-11
PL3371369T3 (en) 2020-07-27
ES2776677T3 (en) 2020-07-31
CH711720B1 (en) 2020-04-30
EP3371369B1 (en) 2020-01-01

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