EP0572370B1 - Ballast plow - Google Patents

Ballast plow Download PDF

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Publication number
EP0572370B1
EP0572370B1 EP93890083A EP93890083A EP0572370B1 EP 0572370 B1 EP0572370 B1 EP 0572370B1 EP 93890083 A EP93890083 A EP 93890083A EP 93890083 A EP93890083 A EP 93890083A EP 0572370 B1 EP0572370 B1 EP 0572370B1
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EP
European Patent Office
Prior art keywords
plough
machine
ballast
plow
shoulder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93890083A
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German (de)
French (fr)
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EP0572370A3 (en
EP0572370A2 (en
Inventor
Hannes Felber
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
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Publication date
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Publication of EP0572370A2 publication Critical patent/EP0572370A2/en
Publication of EP0572370A3 publication Critical patent/EP0572370A3/xx
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Publication of EP0572370B1 publication Critical patent/EP0572370B1/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
    • E01B27/02—Placing the ballast; Making ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/08—Levelling ballast or ground beneath
    • E01B2203/083—Ploughs
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/14—Way of locomotion or support
    • E01B2203/141—Way of locomotion or support on the track to be treated

Definitions

  • the invention relates to a ballast plow with a machine frame supported on rail bogies, to which a center plow that is height-adjustable by drives and a height-adjustable side plow that has a plow blade that can be brought into contact with ballast and has a linkage point and a telescopically extendable support frame that extends perpendicular to the machine longitudinal direction is assigned to each side of the machine.
  • ballast plow with a machine frame supported on rail bogies is known. This has a height-adjustable middle plow between the rail carriages and this upstream side plows.
  • Each side plow is connected to the machine frame by a articulation point arranged on the side of the machine frame and having an axis running in the longitudinal direction of the machine, and has a support frame that can be extended telescopically in the transverse direction of the machine by a drive.
  • the object of the present invention is to create a ballast plow of the type described in the introduction, the side plows of which can also be used to machine the edge path area adjoining the crown foot of the ballast bed.
  • ballast plow of the type described at the outset in that the articulation point - seen in the machine transverse direction - is arranged on the longitudinal side of the machine which is further away from the associated plow shield of the side plow and the plow shield is mounted so that it can pivot about an axis running in the machine longitudinal direction and with a side angle Adjusting drive is connected.
  • both an extension of the support frame and thus the working area as well as a rapid change in the flank angle can be achieved, so that in addition to the bedding flank, the edge path area, which in most cases forms a horizontal surface, can be processed without problems.
  • the special articulation of the support frame on the machine frame also ensures an arrangement of the support frame below the machine frame which is very advantageous for the transfer run. This does not affect the view from the cab there is still a disadvantageous impairment on the track in the event that the two side plows are in an inoperative position using only the center plow.
  • the double pivotable mounting of the plow blade according to a further development according to claim 2 or 3 enables a relatively large pivoting angle, so that the machining of an edge path adjacent to the outer rail of an elevation section is also possible without restriction.
  • the ballast plow 1 shown in FIG. 1 can be moved via rail carriages 2 on a track 3 formed from sleepers and rails with the aid of a travel drive 4. Between the two rail carriages 2, a middle plow 5 is connected to a machine frame 6 so as to be adjustable in height. In a section of the machine frame 6, which is cranked upwards, there is a height-adjustable sweeping device 7 with a cross conveyor belt for the removal of excess ballast. In the end area of the machine frame 6 opposite the sweeping device 7, two side plows 8 are arranged, which in the following refer to the 2 and 3 will be described in more detail. A driving cabin 9 with a central control device 10 and an energy center 11 are located on the machine frame 6.
  • the side plow 8 shown in FIGS. 2 and 3 is attached to a telescopic support frame 12 which runs perpendicular to the longitudinal direction of the machine. This in turn is attached to the machine longitudinal side of the machine frame 6, which is more distant from the side plow 8 in the machine cross direction, so as to be pivotable about an axis 14 running in the machine longitudinal direction.
  • the plow blade 20 is mounted together with a flank angle adjustment drive 15 and a height adjustment drive 16 on a support body 17 which in turn is pivotably mounted on the telescopic support frame 12 about a pivot axis 18 running in the machine longitudinal direction and is connected to a pivot drive 19.
  • the plow shield 20 of the side plow 8 extending in the machine longitudinal direction is fastened to the lower end of an inner telescopic tube 22 of the support body 17 so as to be pivotable about an axis 21 running in the machine longitudinal direction.
  • This is slidably mounted in the longitudinal direction thereof in an outer telescopic tube 23 which is pivotably mounted about the pivot axis 18.
  • a flank angle adjusting cylinder 24 is provided for adjusting the plow blade 20 about said axis 21.
  • the support frame 12 is composed of three parts 26 which can be displaced one inside the other, the part 26 furthest away from the plow plate 20 being connected both to the articulation point 13 and to a drive 34 for the height adjustment.
  • This drive 34 is fastened between two longitudinal beams 27 of the machine frame 6, which are spaced apart from one another in the cross-machine direction, on the longitudinal beam 27 which is further away from the articulation point 13.
  • the plow plate 20 is already on an edge path region 30 adjoining a crown base 29 of a ballast bed side 28 (the feeder plow plates are not shown in FIG. 2 for the sake of a better overview).
  • the distance between the articulation point 13 of the support frame 12 and the plow-side end connected to the drive 34 Support frame part 26 is smaller than or equal to the distance between the two longitudinal beams 27 to one another.
  • flank plow 8 Viewed in the longitudinal direction of the machine, a further flank plow 8 is located in a transfer position immediately behind the flank plow 8 shown in the field of work.
  • a feeder plow shield 31 connects to both the front and rear ends of the plow shield 20. These are each designed to be pivotable by a drive 32 about an axis 33 running perpendicular to the lower edge of the plow blade 20. By appropriately bending these feeder plow shields 31 (see illustration with full or dash-dotted lines), it is possible to use the side plow 8 in both directions of travel of the ballast plow 1.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soil Working Implements (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Steroid Compounds (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

A ballast plow (1) consists of a machine frame (6) which is supported on rail bogies (2) and is assigned a central plow (5) which is height-adjustable by drives and, on each longitudinal side of the machine, a height-adjustable flank plow (8) which has a plow blade (20) which can be brought into contact with ballast. This is equipped with an articulation point (13) and a telescopically extendable support frame (12) running perpendicularly to the longitudinal direction of the machine. The articulation point (13) is situated - seen in the transverse direction of the machine - in each case on the longitudinal side of the machine further removed from the assigned plow blade (20) of the flank plow (8). The plow blade (20) is mounted pivotably about an axis (21) running in the longitudinal direction of the machine, and connected to a flank angle adjusting drive (15). <IMAGE>

Description

Die Erfindung betrifft einen Schotterpflug mit einem auf Schienenfahrwerken abgestützten Maschinenrahmen, dem ein durch Antriebe höhenverstellbarer Mittelpflug und an jeder Maschinenlängsseite ein höhenverstellbarer, einen mit Schotter in Kontakt bringbaren Pflugschild aufweisender Flankenpflug mit einer Anlenkstelle und einem teleskopförmig verlängerbaren, senkrecht zur Maschinenlängsrichtung verlaufenden Tragrahmen zugeordnet ist.The invention relates to a ballast plow with a machine frame supported on rail bogies, to which a center plow that is height-adjustable by drives and a height-adjustable side plow that has a plow blade that can be brought into contact with ballast and has a linkage point and a telescopically extendable support frame that extends perpendicular to the machine longitudinal direction is assigned to each side of the machine.

Durch die US 5,097,608 B ist ein Schotterpflug mit einem auf Schienenfahrwerken abgestützten Maschinenrahmen bekannt. Dieser weist zwischen den Schienenfahrwerken einen höhenverstellbaren Mittelpflug und diesem vorgeordnete Flankenpflüge auf. Jeder Flankenpflug ist durch eine seitliche am Maschinenrahmen angeordnete, eine in Maschinenlängsrichtung verlaufende Achse aufweisende Anlenkstelle mit dem Maschinenrahmen verbunden und weist einen durch einen Antrieb teleskopförmig in Maschinenquerrichtung verlängerbaren Tragrahmen auf.From US 5,097,608 B a ballast plow with a machine frame supported on rail bogies is known. This has a height-adjustable middle plow between the rail carriages and this upstream side plows. Each side plow is connected to the machine frame by a articulation point arranged on the side of the machine frame and having an axis running in the longitudinal direction of the machine, and has a support frame that can be extended telescopically in the transverse direction of the machine by a drive.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Schotterpfluges der eingangs beschriebenen Art, dessen Flankenpflüge auch zur Bearbeitung des an den Kronenfuß der Schotterbettung anschließenden Randwegbereiches einsetzbar sind.The object of the present invention is to create a ballast plow of the type described in the introduction, the side plows of which can also be used to machine the edge path area adjoining the crown foot of the ballast bed.

Diese Aufgabe wird mit einem Schotterpflug der eingangs beschriebenen Art dadurch gelöst, daß die Anlenkstelle - in Maschinenquerrichtung gesehen - jeweils auf der vom zugeordneten Pflugschild des Flankenpfluges weiter entfernten Maschinenlängsseite angeordnet ist und der Pflugschild um eine in Maschinenlängsrichtung verlaufende Achse verschwenkbar gelagert und mit einem Flankenwinkel-Einstellantrieb verbunden ist.This object is achieved with a ballast plow of the type described at the outset in that the articulation point - seen in the machine transverse direction - is arranged on the longitudinal side of the machine which is further away from the associated plow shield of the side plow and the plow shield is mounted so that it can pivot about an axis running in the machine longitudinal direction and with a side angle Adjusting drive is connected.

Durch diese Merkmalskombination ist sowohl eine Verlängerung des Tragrahmens und damit des Arbeitsbereiches als auch eine rasche Änderung des Flankenwinkels erzielbar, sodaß zusätzlich zur Bettungsflanke auch der in den meisten Fällen eine horizontale Fläche bildende Randwegbereich problemlos bearbeitbar ist. Die spezielle Anlenkung des Tragrahmens am Maschinenrahmen gewährleistet außerdem noch eine für die Überstellfahrt sehr vorteilhafte Anordnung des Tragrahmens unterhalb des Maschinenrahmens. Dies beeinflußt weder die Sicht von der Fahrkabine auf das Gleis noch liegt eine nachteilige Beeinträchtigung für den Fall vor, daß unter Einsatz lediglich des Mittelpfluges die beiden Flankenpflüge sich in einer Außerbetriebstellung befinden.With this combination of features, both an extension of the support frame and thus the working area as well as a rapid change in the flank angle can be achieved, so that in addition to the bedding flank, the edge path area, which in most cases forms a horizontal surface, can be processed without problems. The special articulation of the support frame on the machine frame also ensures an arrangement of the support frame below the machine frame which is very advantageous for the transfer run. This does not affect the view from the cab there is still a disadvantageous impairment on the track in the event that the two side plows are in an inoperative position using only the center plow.

Die zweifache schwenkbare Lagerung des Pflugschildes gemäß einer Weiterbildung nach Anspruch 2 oder 3 ermöglicht einen relativ großen Schwenkwinkel, sodaß auch die Bearbeitung eines der Außenschiene eines Überhöhungsabschnittes benachbarten Randweges uneingeschränkt möglich ist.The double pivotable mounting of the plow blade according to a further development according to claim 2 or 3 enables a relatively large pivoting angle, so that the machining of an edge path adjacent to the outer rail of an elevation section is also possible without restriction.

Die Weiterbildung nach den Ansprüchen 4 bis 6 ermöglicht eine besonders vorteilhafte Konstruktion des Tragrahmens für einen möglichst weiten Verstellbereich des Flankenpfluges, wobei jedoch für die Überstellung des Schotterpfluges das Lichtraumprofil nicht überschritten wird.The development according to claims 4 to 6 enables a particularly advantageous construction of the support frame for the widest possible adjustment range of the side plow, but the clearance profile for the transfer of the ballast plow is not exceeded.

Im folgenden wird die Erfindung anhand eines Ausführungsbeispieles näher beschrieben.The invention is described in more detail below using an exemplary embodiment.

Es zeigen:

  • Fig. 1 eine schematisch vereinfachte Seitenansicht eines Schotterpfluges mit einem Mittel- und zwei Flankenpflügen,
  • Fig. 2 eine Ansicht der Maschine in Maschinenlängsrichtung, wobei ein Flankenpflug zur Bearbeitung eines Randweges ausgefahren ist, und
  • Fig. 3 eine teilweise schematisch dargestellte Draufsicht auf den Flankenpflug gemäß Fig. 2.
Show it:
  • 1 is a schematically simplified side view of a ballast plow with one middle and two flank plows,
  • Fig. 2 is a view of the machine in the longitudinal direction of the machine, with a side plow extended for processing an edge path, and
  • FIG. 3 shows a top view of the side plow according to FIG. 2, shown partially schematically.

Der in Fig. 1 ersichtliche Schotterpflug 1 ist über Schienenfahrwerke 2 auf einem aus Schwellen und Schienen gebildeten Gleis 3 mit Hilfe eines Fahrantriebes 4 verfahrbar. Zwischen den beiden Schienenfahrwerken 2 ist ein Mittelpflug 5 höhenverstellbar mit einem Maschinenrahmen 6 verbunden. In einem nach oben gekröpft ausgebildeten Abschnitt des Maschinenrahmens 6 befindet sich eine höhenverstellbare Kehreinrichtung 7 mit einem Querförderband zum Abtransport von überschüssigem Schotter. Im der Kehreinrichtung 7 gegenüberliegenden Endbereich des Maschinenrahmens 6 sind zwei Flankenpflüge 8 angeordnet, die im folgenden zu den Fig. 2 und 3 noch näher beschrieben werden. Auf dem Maschinenrahmen 6 befindet sich eine Fahrkabine 9 mit einer zentralen Steuereinrichtung 10 sowie eine Energiezentrale 11.The ballast plow 1 shown in FIG. 1 can be moved via rail carriages 2 on a track 3 formed from sleepers and rails with the aid of a travel drive 4. Between the two rail carriages 2, a middle plow 5 is connected to a machine frame 6 so as to be adjustable in height. In a section of the machine frame 6, which is cranked upwards, there is a height-adjustable sweeping device 7 with a cross conveyor belt for the removal of excess ballast. In the end area of the machine frame 6 opposite the sweeping device 7, two side plows 8 are arranged, which in the following refer to the 2 and 3 will be described in more detail. A driving cabin 9 with a central control device 10 and an energy center 11 are located on the machine frame 6.

Der in Fig. 2 und 3 ersichtliche Flankenpflug 8 ist auf einem senkrecht zur Maschinenlängsrichtung verlaufenden, teleskopförmig ausgebildeten Tragrahmen 12 befestigt. Dieser ist wiederum unter Bildung einer Anlenkstelle 13 um eine in Maschinenlängsrichtung verlaufende Achse 14 verschwenkbar auf der vom Flankenpflug 8 in Maschinenquerrichtung weiter entfernten Maschinenlängsseite des Maschinenrahmens 6 befestigt.The side plow 8 shown in FIGS. 2 and 3 is attached to a telescopic support frame 12 which runs perpendicular to the longitudinal direction of the machine. This in turn is attached to the machine longitudinal side of the machine frame 6, which is more distant from the side plow 8 in the machine cross direction, so as to be pivotable about an axis 14 running in the machine longitudinal direction.

Der Pflugschild 20 ist mitsamt einem Flankenwinkel-Einstellantrieb 15 und einem Höhenverstellantrieb 16 auf einem Tragkörper 17 gelagert, der seinerseits um eine in Maschinenlängsrichtung verlaufende Schwenkachse 18 verschwenkbar am teleskopförmigen Tragrahmen 12 gelagert und mit einem Schwenkantrieb 19 verbunden ist. Der in Maschinenlängsrichtung verlaufende Pflugschild 20 des Flankenpfluges 8 ist um eine in Maschinenlängsrichtung verlaufende Achse 21 verschwenkbar am unteren Ende eines inneren Teleskoprohres 22 des Tragkörpers 17 befestigt. Dieses ist in dessen Längsrichtung in einem äußeren, um die Schwenkachse 18 verschwenkbar gelagerten Teleskoprohr 23 verschiebbar gelagert. Zur Verstellung des Pflugschildes 20 um die genannte Achse 21 ist ein Flankenwinkel-Einstellzylinder 24 vorgesehen.The plow blade 20 is mounted together with a flank angle adjustment drive 15 and a height adjustment drive 16 on a support body 17 which in turn is pivotably mounted on the telescopic support frame 12 about a pivot axis 18 running in the machine longitudinal direction and is connected to a pivot drive 19. The plow shield 20 of the side plow 8 extending in the machine longitudinal direction is fastened to the lower end of an inner telescopic tube 22 of the support body 17 so as to be pivotable about an axis 21 running in the machine longitudinal direction. This is slidably mounted in the longitudinal direction thereof in an outer telescopic tube 23 which is pivotably mounted about the pivot axis 18. A flank angle adjusting cylinder 24 is provided for adjusting the plow blade 20 about said axis 21.

Für die - bezüglich der Maschinenlängsrichtung - Querverstellung des Tragrahmens 12 sind zwei Antriebe 25 vorgesehen. Der Tragrahmen 12 setzt sich aus drei ineinander querverschiebbaren Teilen 26 zusammen, wobei der vom Pflugschild 20 am weitesten entfernte Teil 26 sowohl mit der Anlenkstelle 13 als auch mit einem Antrieb 34 für die Höhenverstellung verbunden ist. Dieser Antrieb 34 ist zwischen zwei in Maschinenquerrichtung voneinander distanzierten Längsträgern 27 des Maschinenrahmens 6 auf dem von der Anlenkstelle 13 weiter entfernten Längsträger 27 befestigt.Two drives 25 are provided for the transverse adjustment of the support frame 12 with respect to the machine longitudinal direction. The support frame 12 is composed of three parts 26 which can be displaced one inside the other, the part 26 furthest away from the plow plate 20 being connected both to the articulation point 13 and to a drive 34 for the height adjustment. This drive 34 is fastened between two longitudinal beams 27 of the machine frame 6, which are spaced apart from one another in the cross-machine direction, on the longitudinal beam 27 which is further away from the articulation point 13.

In der in Fig. 2 dargestellten Arbeitsstellung befindet sich der Pflugschild 20 bereits auf einem an einem Kronenfuß 29 einer Schotterbettflanke 28 anschließenden Randwegbereich 30 (Die Zubringer-Pflugschilder sind der besseren Übersicht wegen in Fig. 2 nicht dargestellt). Die Distanz zwischen der Anlenkstelle 13 des Tragrahmens 12 und dem pflugseitigen, mit dem Antrieb 34 verbundenen Ende des Tragrahmen-Teiles 26 ist kleiner als die bzw. gleich der Distanz der beiden Längsträger 27 zueinander.In the working position shown in FIG. 2, the plow plate 20 is already on an edge path region 30 adjoining a crown base 29 of a ballast bed side 28 (the feeder plow plates are not shown in FIG. 2 for the sake of a better overview). The distance between the articulation point 13 of the support frame 12 and the plow-side end connected to the drive 34 Support frame part 26 is smaller than or equal to the distance between the two longitudinal beams 27 to one another.

In Maschinenlängsrichtung gesehen befindet sich unmittelbar hinter dem im Arbeitseinsatz dargestellten Flankenpflug 8 noch ein weiterer Flankenpflug 8 in einer Überstellposition.Viewed in the longitudinal direction of the machine, a further flank plow 8 is located in a transfer position immediately behind the flank plow 8 shown in the field of work.

Wie in Fig. 3 ersichtlich, schließt sowohl an das vordere als auch hintere Ende des Pflugschildes 20 jeweils ein Zubringer-Pflugschild 31 an. Diese sind jeweils durch einen Antrieb 32 um eine senkrecht zur unteren Kante des Pflugschildes 20 verlaufende Achse 33 verschwenkbar ausgebildet. Durch entsprechende Abwinkelung dieser Zubringer-Pflugschilde 31 (siehe Darstellung mit vollen bzw. strichpunktierten Linien) besteht die Möglichkeit, den Flankenpflug 8 in beiden Fahrtrichtungen des Schotterpfluges 1 einzusetzen.As can be seen in FIG. 3, a feeder plow shield 31 connects to both the front and rear ends of the plow shield 20. These are each designed to be pivotable by a drive 32 about an axis 33 running perpendicular to the lower edge of the plow blade 20. By appropriately bending these feeder plow shields 31 (see illustration with full or dash-dotted lines), it is possible to use the side plow 8 in both directions of travel of the ballast plow 1.

Claims (6)

  1. A ballast plough comprising a machine frame supported on on-track undercarriages, with which is associated a centre plough which is vertically adjustable by means of drives and on each longitudinal side of the machine a vertically adjustable shoulder plough (8) having a plough blade (20) which may be brought into contact with ballast and with an articulation point (13) and a telescopically extendable carrier frame (12) extending perpendicularly to the longitudinal direction of the machine, characterised in that the articulation point (13) - viewed in the transverse direction of the machine - is in each case arranged on the longitudinal side of the machine which is further away from the associated plough blade (20) of the shoulder plough (8), and the plough blade (20) is mounted for pivoting about an axis (21) extending in the longitudinal direction of the machine and is connected to a shoulder angle adjustment drive (15).
  2. A ballast plough according to claim 1, characterised in that a carrier body (17) bearing the plough blade (20) of the shoulder plough (8) together with the shoulder angle adjustment drive (15) and a vertical adjustment drive (16) is itself mounted on the telescopic carrier frame (12) for pivoting about a pivot axis (18) extending in the longitudinal direction of the machine and is connected to a pivot drive (19).
  3. A ballast plough according to claim 2, characterised in that the carrier body (17) of the shoulder plough (8) is formed from an inner and an outer telescopic tube (22,23), the latter being displaceable in the longitudinal direction thereof, the plough blade (20) together with the axis (21) and the shoulder angle adjustment drive (15) being secured to the lower end of the inner telescopic tube (22).
  4. A ballast plough according to one of claims 1, 2 or 3, characterised in that the end of the carrier frame (12) lying opposite the plough blade (20) of the shoulder plough (8) is designed to project beyond the cross-sectional outline of the machine.
  5. A ballast plough according to one of claims 1 to 4, characterised in that the drive (34) for the vertical adjustment of the shoulder plough (8) is secured between two longitudinal supports (27) of the machine frame (6), which are spaced apart from one another in the transverse direction of the machine, on the longitudinal support (27) which is further away from the articulation point (13).
  6. A ballast plough according to one of claims 1 to 5, characterised in that the carrier frame (12) is designed in three parts, the distance between the articulation point (13) and the end on the plough side of the part of the carrier frame (12) connected to the articulation point (13) being smaller than or equal to the distance between the two longitudinal supports (27).
EP93890083A 1992-05-25 1993-04-21 Ballast plow Expired - Lifetime EP0572370B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1084/92 1992-05-25
AT108492 1992-05-25

Publications (3)

Publication Number Publication Date
EP0572370A2 EP0572370A2 (en) 1993-12-01
EP0572370A3 EP0572370A3 (en) 1994-03-30
EP0572370B1 true EP0572370B1 (en) 1996-05-29

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US (1) US5435081A (en)
EP (1) EP0572370B1 (en)
JP (1) JP3093516B2 (en)
CN (1) CN1030262C (en)
AT (1) ATE138706T1 (en)
AU (1) AU661148B2 (en)
CA (1) CA2093311C (en)
CZ (1) CZ279091B6 (en)
DE (1) DE59302729D1 (en)
ES (1) ES2088658T3 (en)
PL (1) PL171647B1 (en)
RU (1) RU2044810C1 (en)
SK (1) SK279073B6 (en)

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EP0572370A3 (en) 1994-03-30
CN1030262C (en) 1995-11-15
JP3093516B2 (en) 2000-10-03
AU3875593A (en) 1993-12-02
PL171647B1 (en) 1997-05-30
SK50393A3 (en) 1993-12-08
US5435081A (en) 1995-07-25
PL299012A1 (en) 1994-01-10
ATE138706T1 (en) 1996-06-15
CN1079791A (en) 1993-12-22
CZ279091B6 (en) 1994-12-15
ES2088658T3 (en) 1996-08-16
AU661148B2 (en) 1995-07-13
RU2044810C1 (en) 1995-09-27
CA2093311A1 (en) 1993-11-26
EP0572370A2 (en) 1993-12-01
CZ91493A3 (en) 1993-12-15
SK279073B6 (en) 1998-06-03
JPH0633401A (en) 1994-02-08
CA2093311C (en) 2003-12-16
DE59302729D1 (en) 1996-07-04

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