EP2855774A2 - Method, tamping machine, and machine group for tamping a track - Google Patents

Method, tamping machine, and machine group for tamping a track

Info

Publication number
EP2855774A2
EP2855774A2 EP13726270.5A EP13726270A EP2855774A2 EP 2855774 A2 EP2855774 A2 EP 2855774A2 EP 13726270 A EP13726270 A EP 13726270A EP 2855774 A2 EP2855774 A2 EP 2855774A2
Authority
EP
European Patent Office
Prior art keywords
track
ballast
gravel
machine
measuring device
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
EP13726270.5A
Other languages
German (de)
French (fr)
Other versions
EP2855774B1 (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
Publication of EP2855774A2 publication Critical patent/EP2855774A2/en
Application granted granted Critical
Publication of EP2855774B1 publication Critical patent/EP2855774B1/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
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines
    • E01B27/18—Sleeper-tamping machines by introducing additional fresh material under the sleepers, e.g. by the measured-shovel method, by the blowing method

Definitions

  • the invention relates to a method, a tamping machine and a machine dressing for the clogging of a track, wherein with respect to a working direction before the track clogging parallel to this new ballast on the track is dropped.
  • the object of the present invention is now to provide a method, a tamping machine and a machine dressing of the generic type with which or the reduction of workload a uniform track position correction can be optimized.
  • a tamping machine 1 shown in Fig. 1 is by means of
  • Threshold cleaning brush a sleeper compartment compressor 7 and a Vorkopfver Actuallyr 8 positioned.
  • ballast device 9 With respect to the working direction 4 in front of the tamping unit 5 is a ballast device 9 and an upstream
  • Gravel picking device 10 with a ballast storage 11 At a front end 12 of the tamping machine 1, a measuring device 13 scanning the track 3 is arranged with a travel measuring unit and a storage and arithmetic unit. This measuring device 13 is integrated into a track position error determining machine measuring base 4.
  • a clogging of the track in the working direction 4 while at the same time by the upstream measuring device 13 any track position errors are determined.
  • correlated amounts of new ballot to be supplied are calculated for the respectively determined track position errors for optimum track ballast and are stored as ballast requirement value from the respective track spot in a location-dependent manner.
  • ballast to be discharged onto one or the other rail track can be regulated differently.
  • the correct dosage is done by a function of the track survey by means of appropriate
  • ballast device 9 forming ballast chutes.
  • the ballast device 9 may also be known by others
  • the stored gravel requirement value is retrieved for discharging the corresponding amount of ballast once the ballast device 9, which follows the direction of movement 4 of the measuring device 13, has reached the associated track point.
  • ballast reservoir 11 may also be filled in advance with new ballast or, for example, from a parallel to the ballast
  • Tamping machine working cleaning machine to be charged with cleaned ballast.
  • Threshold cleaning brush pushes the ballast stones lying on the sleeper surface into the threshold compartments. Immediately below, the ballast with the help of Schwellenfach- and
  • Vorkopfver Whyr 7, 8 both between adjacent thresholds as well as in a subsequent to the end of the tail Vorkopf Kunststoff compacted are operative in the sleeper compartment immediately behind the stuffed sills to share in the compaction process the energy introduced into the ballast bed by the stuffing tools, which impacts the threshold compartments adjacent to the stuffed sill, thereby improving compaction. This effect also serves to recover the lateral displacement resistance of the track after tamping.
  • Vorkopfverdichtern that expediently also come in the area adjacent to the stuffing used and make an additional contribution to the consolidation of the track.
  • a stuffing machine 1 shown in FIGS. 2 and 3 is alternative
  • the ballast storage 1, the Einschottervorraum 9 and the measuring device 13 on the Storage trolley 15 arranged.
  • the ballast receiving device 10 is additionally positioned. With this, excess gravel - as previously described - in
  • Schotter officials 11 are cached for a demand drop.

Landscapes

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

Abstract

The invention relates to a method for tamping a track, in which track position errors are determined and amounts of new ballast to be supplied corresponding thereto for the purpose of optimal track ballasting are calculated and stored as a ballast requirement value in relation to the particular track location. The stored ballast requirement value is called up in order to discharge the corresponding amount of ballast as soon as a ballasting device (9), which follows the measuring device (13) in regard to the working direction, has reached the associated track location.

Description

Verfahren, eine Stopfmaschine sowie ein Maschinenverband zur  Method, a tamping machine and a machine dressing for
Unterstopfung eines Gleises  Destruction of a track
Die Erfindung betrifft ein Verfahren, eine Stopfmaschine sowie einen Maschinenverband zur Unterstopfung eines Gleises, wobei bezüglich einer Arbeitsrichtung vor der Gleisunterstopfung parallel zu dieser neuer Schotter auf das Gleis abgeworfen wird. The invention relates to a method, a tamping machine and a machine dressing for the clogging of a track, wherein with respect to a working direction before the track clogging parallel to this new ballast on the track is dropped.
Ein derartiges Verfahren ist bereits durch AT 389 336 bekannt, wobei im Zuge einer Schwellenerneuerung aufgenommener Schotter vor der Such a method is already known from AT 389 336, wherein in the course of a threshold renewal recorded gravel before the
Unterstopfung auf das Gleis zurück geführt wird. Trapping is led back to the track.
Durch EP 0 436 757 B1 ist es auch bekannt, unmittelbar zuvor aus dem Gleis durch Bürsten aufgenommenen überschüssigen Schotter direkt im Bereich von Stopfwerkzeugen in jenen Abschnitten abzuwerfen, in denen zu wenig Schotter vorhanden ist. It is also known from EP 0 436 757 B1 to throw off excess ballast picked up from the track by brushing directly in the area of stuffing tools in those sections where too little ballast is present.
Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Verfahrens, einer Stopfmaschine sowie eines Maschinenverbandes der gattungsgemäßen Art, mit dem bzw. der unter Reduktion von Arbeitsaufwand eine gleichmäßige Gleislagekorrektur optimierbar ist.  The object of the present invention is now to provide a method, a tamping machine and a machine dressing of the generic type with which or the reduction of workload a uniform track position correction can be optimized.
Diese Aufgabe wird erfindungsgemäß mit den im Kennzeichen von Anspruch 1 bzw. 4 od. 5 angeführten Merkmalen gelöst.  This object is achieved according to the invention in the characterizing part of claim 1 or 4 od. 5 listed features.
Mit den erfindungsgemäßen Merkmalen wird eine optimierte Verfüllung der Schwellenfächer mit Schotter sichergestellt. Damit ist auch eine den gesamten Unterstopfungsabschnitt betreffende Erhöhung des Seitenverschiebewiderstandes erzielbar. Infolge der gleichmäßigeren Einschotterung mit nachfolgender Stopfung und Verdichtung ist auch eine verbesserte Dauerhaftigkeit der Gleislagekorrektur erreichbar. Außerdem wird sichergestellt, dass nur die benötigte Schottermenge im Gleis liegt, um somit zusätzliche Arbeiten zum Abtransport oder Ausschottern von überflüssigem Schotter zu vermeiden. With the features according to the invention, an optimized backfilling of the sleeper compartments with ballast is ensured. This is also an increase of the entire Unterstopfungsabschnitt relevant Side shift resistance achievable. As a result of the more uniform ballasting with subsequent stuffing and compaction, an improved durability of the track position correction can be achieved. In addition, it ensures that only the required amount of ballast is in the track, thus avoiding additional work for the removal or dabbing of superfluous ballast.
[007] Weitere Vorteile der Erfindung ergeben sich aus den weiteren Ansprüchen und der Zeichnungsbeschreibung.  Further advantages of the invention will become apparent from the other claims and the description of the drawings.
[008] Im Folgenden wird die Erfindung anhand von in der Zeichnung dargestellten Ausführungsbeispielen näher beschrieben. Es zeigen Fig.1 , 2 und 3 je eine Variante einer Stopfmaschine in Seitenansicht.  In the following the invention will be described in more detail with reference to embodiments shown in the drawing. 1, 2 and 3 each show a variant of a tamping machine in side view.
[009] Eine in Fig. 1 dargestellte Stopfmaschine 1 ist mit Hilfe von  A tamping machine 1 shown in Fig. 1 is by means of
Schienenfahrwerken 2 auf einem Gleis 3 in einer Arbeitsrichtung 4 verfahrbar. Zur Unterstopfung des Gleises 3 sind ein höhenverstellbares Stopfaggregat 5 sowie ein diesem vorgeordnetes Gleishebeaggregat 6 vorgesehen. Unmittelbar hinter dem Stopfaggregat 5 ist eine  Rail bogies 2 on a track 3 in a working direction 4 movable. To Unterstopfung of the track 3, a height-adjustable tamping unit 5 and this upstream track lifting unit 6 are provided. Immediately behind the Stopfaggregat 5 is a
Schwellenreinigungsbürste, ein Schwellenfachverdichter 7 sowie ein Vorkopfverdichter 8 positioniert.  Threshold cleaning brush, a sleeper compartment compressor 7 and a Vorkopfverdichter 8 positioned.
[010] Bezüglich der Arbeitsrichtung 4 vor dem Stopfaggregat 5 befindet sich eine Einschottervorrichtung 9 und eine vorgeordnete  With respect to the working direction 4 in front of the tamping unit 5 is a ballast device 9 and an upstream
Schotteraufnahmevorrichtung 10 mit einem Schotterspeicher 11. [011] An einem vorderen Ende 12 der Stopfmaschine 1 ist eine das Gleis 3 abtastende Messeinrichtung 13 mit einer Wegmesseinheit sowie einer Speicher- und Recheneinheit angeordnet. Diese Messeinrichtung 13 ist in eine die Gleislagefehler ermittelnde Maschinenmessbasis 4 integriert. Gravel picking device 10 with a ballast storage 11. [011] At a front end 12 of the tamping machine 1, a measuring device 13 scanning the track 3 is arranged with a travel measuring unit and a storage and arithmetic unit. This measuring device 13 is integrated into a track position error determining machine measuring base 4.
[012] Im Arbeitseinsatz der Maschine 1 erfolgt eine Unterstopfung des Gleises in Arbeitsrichtung 4, während parallel dazu durch die vorgeordnete Messeinrichtung 13 eventuelle Gleislagefehler eruiert werden. In der Speicher- und Recheneinheit werden zu den jeweils ermittelten Gleislagefehlern für eine optimale Gleiseinschotterung korrelierende Mengen an zuzuführendem Neuschotter berechnet und von der jeweiligen Gleisstelle ortsabhängig als Schotterbedarfswert abgespeichert.  In operation of the machine 1, a clogging of the track in the working direction 4, while at the same time by the upstream measuring device 13 any track position errors are determined. In the storage and arithmetic unit, correlated amounts of new ballot to be supplied are calculated for the respectively determined track position errors for optimum track ballast and are stored as ballast requirement value from the respective track spot in a location-dependent manner.
[013] Dabei können im Falle von Überhöhungsfehlern die auf den einen oder anderen Schienenstrang abzulassenden Schottermengen unterschiedlich geregelt werden. Die korrekte Dosierung geschieht durch eine in Funktion der Gleishebung mittels geeigneter  [013] In the case of overshoot errors, the quantities of ballast to be discharged onto one or the other rail track can be regulated differently. The correct dosage is done by a function of the track survey by means of appropriate
Einrichtungen bewirkte Höhenverstellung von die  Facilities effected height adjustment of the
Einschottervorrichtung 9 bildenden Schotterschurren. Alternativ kann die Einschottervorrichtung 9 auch durch andere bekannte  Einschottervorrichtung 9 forming ballast chutes. Alternatively, the ballast device 9 may also be known by others
Vorrichtungen gebildet werden. [014] Der abgespeicherte Schotterbedarfswert wird zum Abwurf der entsprechenden Schottermenge abgerufen, sobald die - bezüglich der Arbeitsrichtung 4 der Messeinrichtung 13 nachfolgende - Einschottervorrichtung 9 die zugehörige Gleisstelle erreicht hat. Devices are formed. [014] The stored gravel requirement value is retrieved for discharging the corresponding amount of ballast once the ballast device 9, which follows the direction of movement 4 of the measuring device 13, has reached the associated track point.
[015] Parallel dazu wird bezüglich der Arbeitsrichtung 4 nach der  [015] In parallel with respect to the working direction 4 after the
Messeinrichtung 13 und vor der Einschottervorrichtung 9 - über ein vorschriftsmäßiges Schotterbettprofil im Bereich der Gleisschulter hinausragender Schotter automatisch durch die  Measuring device 13 and before the ballast device 9 - on a proper ballast bed profile in the track shoulder protruding gravel automatically through the
Schotteraufnahmevorrichtung 10 erfasst und im Schotterspeicher 1 1 für einen bedarfsweisen Abwurf durch die Einschottervorrichtung 9 zwischengespeichert.  Grader receiving device 10 detected and cached in the ballast storage 1 1 for a demand drop by the Einschottervorrichtung 9.
[016] Der Schotterspeicher 11 kann bedarfsweise auch vorab mit neuem Schotter gefüllt oder beispielsweise von einer parallel zur  If necessary, the ballast reservoir 11 may also be filled in advance with new ballast or, for example, from a parallel to the ballast
Stopfmaschine arbeitenden Reinigungsmaschine mit gereinigtem Schotter beschickt werden.  Tamping machine working cleaning machine to be charged with cleaned ballast.
[0 7] Die hinter den Stopfwerkzeugen angebrachten  [0 7] The attached behind the stuffing tools
Schwellenreinigungsbürsten stösst die auf der Schwellenoberfläche liegenden Schottersteine in die Schwellenfächer. Unmittelbar nachfolgend wird der Schotter mit Hilfe der Schwellenfach- und  Threshold cleaning brush pushes the ballast stones lying on the sleeper surface into the threshold compartments. Immediately below, the ballast with the help of Schwellenfach- and
Vorkopfverdichter 7, 8 sowohl zwischen benachbarten Schwellen als auch in einem an Schwellenenden anschließenden Vorkopfbereich verdichtet. Zweckmäßigerweise sind die Schwellenfachverdichter in dem Schwellenfach unmittelbar hinter den gestopften Schwellen wirksam, um die von den Stopfwerkzeugen in das Schotterbett eingebrachte Energie, welche sich bis in die der gestopften Schwelle benachbarten Schwellenfächer auswirkt, beim Verdichtvorgang mitzubenutzen und so die Verdichtung zu verbessern. Auch dieser Effekt dient der Rückgewinnung des Seitenverschiebewiderstandes des Gleises nach der Stopfung. Hinzu kommt der Einsatz von Vorkopfverdichtern, die zweckmässigerweise ebenfalls in dem der Stopfung benachbarten Bereich zum Einsatz kommen und einen zusätzlichen Beitrag zur Konsolidierung des Gleises bewirken. Vorkopfverdichter 7, 8 both between adjacent thresholds as well as in a subsequent to the end of the tail Vorkopfbereich compacted. Conveniently, the sleeper compartments are operative in the sleeper compartment immediately behind the stuffed sills to share in the compaction process the energy introduced into the ballast bed by the stuffing tools, which impacts the threshold compartments adjacent to the stuffed sill, thereby improving compaction. This effect also serves to recover the lateral displacement resistance of the track after tamping. In addition, there is the use of Vorkopfverdichtern that expediently also come in the area adjacent to the stuffing used and make an additional contribution to the consolidation of the track.
[018] Durch diese - verschiedene Arbeitsvorgänge auf eine einzige  [018] By this - different operations on a single
Maschinendurchfahrt konzentrierenden - Verfahrensschritte kann die Gleislage unter bestmöglicher Ausnützung von eventuellem  Machine passing concentrating - process steps, the track position under the best possible use of any
Schotterüberschuss und optimaler Schotterverdichtung nachhaltig korrigiert und der Seitenverschiebewiderstand bestmöglich  Gravel surplus and optimal ballast compaction sustainably corrected and the lateral displacement resistance as good as possible
zurückgewonnen werden.  be recovered.
[019] Eine in Fig. 2 und 3 ersichtliche Stopfmaschine 1 ist in alternativer  [019] A stuffing machine 1 shown in FIGS. 2 and 3 is alternative
Ausführung der Erfindung durch einen vorgeordneten Speicherwagen 15 zu einem Maschinenverband erweitert. Bei diesem sind der Schotterspeicher 1 , die Einschottervorrichtung 9 und die Messeinrichtung 13 auf dem Speicherwagen 15 angeordnet. Am Speicherwagen 15 gemäß Fig. 3 ist zusätzlich noch die Schotteraufnahmevorrichtung 10 positioniert. Mit dieser kann überschüssiger Schotter - wie bereits zuvor beschrieben - im Embodiment of the invention by an upstream storage wagon 15 expanded to a machine group. In this, the ballast storage 1, the Einschottervorrichtung 9 and the measuring device 13 on the Storage trolley 15 arranged. On the storage trolley 15 according to FIG. 3, the ballast receiving device 10 is additionally positioned. With this, excess gravel - as previously described - in
Schotterspeicher 11 für einen bedarfsweisen Abwurf zwischengespeichert werden. Schotterspeicher 11 are cached for a demand drop.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Verfahren zur Unterstopfung eines Gleises, wobei bezüglich einer Arbeitsrichtung vor der Gleisunterstopfung parallel zu dieser neuer Schotter auf das Gleis abgeworfen wird, gekennzeichnet durch folgende Merkmale: a) durch eine Messeinrichtung (13) werden Gleislagefehler eruiert und damit zwecks optimaler Gleiseinschotterung korrelierende Mengen an zuzuführenden Neuschotter berechnet und von der jeweiligen Gleisstelle ortsabhängig als Schotterbedarfswert abgespeichert, 1. A method for the clogging of a track, wherein is dropped with respect to a working direction before the track clogging parallel to this new gravel on the track, characterized by the following features: a) by a measuring device (13) track position errors are determined and thus for the purpose of optimal track ballast correlating quantities calculated Neuschotter to be supplied and stored by the respective track location depending on location as gravel requirement value,
b) der abgespeicherte Schotterbedarfswert wird zum Abwurf der entsprechenden Schottermenge abgerufen, sobald eine - bezüglich der Arbeitsrichtung (4) der Messeinrichtung (13) nachfolgende - Einschottervorrichtung (9) die zugehörige Gleisstelle erreicht hat. b) the stored gravel requirement value is retrieved to drop the corresponding amount of gravel as soon as - next to the working direction (4) of the measuring device (13) - Einschottervorrichtung (9) has reached the associated track.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass - bezüglich der Arbeitsrichtung (4) nach der Messeinrichtung (13) und vor der 2. The method according to claim 1, characterized in that - with respect to the working direction (4) after the measuring device (13) and before
Einschottervorrichtung (9) - über ein vorschriftsmäßiges Schotterbettprofil hinausragender Schotter aufgenommen und für einen bedarfsweisen Abwurf durch die Einschottervorrichtung (9) zwischengespeichert wird. Ballast device (9) - picked up on a prescribed gravel bed profile protruding gravel and cached for a demand drop by the Einschottervorrichtung (9).
3. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass der 3. The method according to claim 1, characterized in that the
Schotter unmittelbar hinter der Unterstopfung des Gleises (3) sowohl zwischen benachbarten Schwellen als auch in einem an Schwellenenden anschließenden Vorkopfbereich verdichtet wird. Gravel is compacted immediately behind the Unterstopfung of the track (3) both between adjacent sleepers as well as in a subsequent to the end of the tail Vorkopfbereich.
4. Stopfmaschine zur Unterstopfung eines Gleises nach Anspruch 1 , dadurch gekennzeichnet, dass zwischen der an einem vorderen Ende (12) der Maschine (1) positionierten Messeinrichtung (13) und einem 4. tamping machine for clogging a track according to claim 1, characterized in that between the at a front end (12) of the machine (1) positioned measuring device (13) and a
Stopfaggregat (5) eine Schotteraufnahmevorrichtung (10), ein Stopfaggregat (5) a ballast picking device (10), a
Schotterspeicher (11 ) sowie die nachfolgende Einschottervorrichtung (9) angeordnet sind. Ballast storage (11) and the following Einschottervorrichtung (9) are arranged.
5. Maschinenverband zur Unterstopfung eines Gleises nach Anspruch 1 , dadurch gekennzeichnet, dass eine Stopfmaschine (1) mit einem bezüglich der Arbeitsrichtung (4) vorgeordneten, mit der Messeinrichtung (13) und der Einschottervorrichtung (9) ausgestatteten Speicherwagen (15) verbunden ist. 5. Machine unit for clogging a track according to claim 1, characterized in that a tamping machine (1) with a respect to the working direction (4) upstream, with the measuring device (13) and the Einschottervorrichtung (9) equipped storage carriage (15) is connected.
6. Maschinenverband nach Anspruch 5, dadurch gekennzeichnet, dass der Speicherwagen (15) zwischen Messeinrichtung (13) und 6. machine group according to claim 5, characterized in that the storage carriage (15) between the measuring device (13) and
Einschottervorrichtung (9) eine Schotteraufnahmevorrichtung (10) aufweist. Einschottervorrichtung (9) has a ballast receiving device (10).
EP13726270.5A 2012-05-30 2013-05-06 Method, tamping machine, and machine group for tamping a track Active EP2855774B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00744/12A CH706577B1 (en) 2012-05-30 2012-05-30 A method for tamping a track and a tamping machine and a machine group for performing the method.
PCT/IB2013/000856 WO2013179112A2 (en) 2012-05-30 2013-05-06 Method, tamping machine, and machine group for tamping a track

Publications (2)

Publication Number Publication Date
EP2855774A2 true EP2855774A2 (en) 2015-04-08
EP2855774B1 EP2855774B1 (en) 2018-01-31

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EP13726270.5A Active EP2855774B1 (en) 2012-05-30 2013-05-06 Method, tamping machine, and machine group for tamping a track

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EP (1) EP2855774B1 (en)
JP (1) JP6272839B2 (en)
CN (1) CN104350205B (en)
CH (1) CH706577B1 (en)
ES (1) ES2666553T3 (en)
RU (1) RU2619145C2 (en)
WO (1) WO2013179112A2 (en)

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CN109778609A (en) * 2019-01-25 2019-05-21 中国铁建高新装备股份有限公司 A kind of multi-functional tamping car and its operational method
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CN111501435A (en) * 2020-05-09 2020-08-07 中国铁建高新装备股份有限公司 Screen scarifier suitable for slope screen scarfing operation and slope operation method

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Publication number Publication date
RU2619145C2 (en) 2017-05-12
ES2666553T3 (en) 2018-05-07
EP2855774B1 (en) 2018-01-31
WO2013179112A2 (en) 2013-12-05
CH706577A2 (en) 2013-12-13
CN104350205B (en) 2016-11-02
CN104350205A (en) 2015-02-11
WO2013179112A3 (en) 2014-04-17
JP2015521242A (en) 2015-07-27
JP6272839B2 (en) 2018-01-31
CH706577B1 (en) 2015-12-31
RU2014142357A (en) 2016-07-20

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