EP0029466A1 - Projecting snow-removing device for a rail clearing-vehicle - Google Patents

Projecting snow-removing device for a rail clearing-vehicle Download PDF

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Publication number
EP0029466A1
EP0029466A1 EP79105020A EP79105020A EP0029466A1 EP 0029466 A1 EP0029466 A1 EP 0029466A1 EP 79105020 A EP79105020 A EP 79105020A EP 79105020 A EP79105020 A EP 79105020A EP 0029466 A1 EP0029466 A1 EP 0029466A1
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EP
European Patent Office
Prior art keywords
vehicle
guide
drum housing
snow
rail
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Granted
Application number
EP79105020A
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German (de)
French (fr)
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EP0029466B1 (en
Inventor
Alfred Ing.-Grad Schmidt
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.)
Ing Alfred Schmidt GmbH
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Ing Alfred Schmidt GmbH
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Filing date
Publication date
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Priority to AT79105020T priority Critical patent/ATE4605T1/en
Publication of EP0029466A1 publication Critical patent/EP0029466A1/en
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Publication of EP0029466B1 publication Critical patent/EP0029466B1/en
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
    • E01H8/02—Methods or apparatus for removing ice or snow from railway tracks, e.g. using snow-ploughs ; Devices for dislodging snow or ice which are carried or propelled by tramway vehicles ; Moving or removing ballast
    • E01H8/06—Methods or apparatus for removing ice or snow from railway tracks, e.g. using snow-ploughs ; Devices for dislodging snow or ice which are carried or propelled by tramway vehicles ; Moving or removing ballast essentially by driven tools clearing instruments, e.g. rotary cutting tools or brushes

Definitions

  • the invention relates to a front-end snow clearing device for a rail clearing vehicle, which is supported laterally adjustable on a carrier device fixed to the vehicle along a guide parallel to the track plane.
  • Such a known snow removal device (German Patent Specification 20 34 508) consists of two snow blowers, each of which can be adjusted horizontally outwards independently of one another from a central position in which they meet. Every operation with a snow blower extended to the side has the prerequisite that the same route must first be cleared with snow blowers moved together, otherwise an uncleaned median strip remains.
  • the ejection chimneys attached to the throwing wheel housings of each snow blower significantly impair the driver's view.
  • the snow blowers, each driven by its own motor can only be operated with half the power of a drive available on the carrier vehicle.
  • the present invention has for its object to provide a more efficient front snow removal device for a rail vehicle, in which the disadvantages mentioned for the known device are avoided.
  • the snow removal device as a snow blower with two in a common drum housing, synchronously driven by a common drive connection milling drums, and that the guide is provided on the support device, extending approximately over the entire width of the vehicle and a guide counterpart includes, on which the drum housing is pivotally supported about lower pivot points.
  • a known type of suspension of the drum housing for adjusting the inclination or the distance to the surface Q surface is realized in that upward extensions are provided on opposite sides of the guide counterpart, the upper ends of which each have a fastening means for an extendable train connection with the Has drum housing.
  • a milling unit known per se can be used. Corresponding attachment points occur at the guiding counter-part, instead of the here present on the carrier vehicle mounting points for the suspension of the milling drum, wherein the vehicle side to an expedient development of the drum housing bottom has one or more g with the guide egen Market supporting projections hingedly connected.
  • the front-mounted snow blower is attached to a road vehicle 1 converted to rail operation.
  • extensions 2 are flanged to its chassis (not shown), which are connected to a support plate 4 via welded-in intermediate pieces 3.
  • the support plate 4 is attached to the vehicle side of a cross-sectionally L-shaped guide rail 5, the length of which corresponds approximately to the width of the vehicle.
  • These two profile parts encompass the web 6 of the guide rail 5 from below or above, so that the guide counterpart 7 can be moved in a tilt-resistant manner along the web 6 of the guide rail.
  • the vehicle-side profile part 10 has, at its opposite ends, upwardly projecting lugs 12, at the ends of which a length-adjustable pull rod 13 acts, the other end of which is articulated on the drum housing 14.
  • a length-adjustable pull rod 13 acts, the other end of which is articulated on the drum housing 14.
  • a total of two such links 15 are provided, namely in the region of the lateral ends of the drum housing.
  • the entire milling stem on the guide rail 5, as seen in the direction of travel, is shifted to the left, so that it projects laterally about half a meter beyond the left vehicle boundary.
  • the extreme right-hand shifting possibility of the milling stem is indicated by dash-dotted lines. Any intermediate positions of the milling stem on the guide rail 5 are also possible.
  • the hydraulic device provided in practice for remote-controlled displacement of the milling cutter along the guide rail 5 is not shown.
  • the milling stem described can also be used on a pure rail vehicle, e.g. be attached to the front of a locomotive.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Road Repair (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

Snow removal apparatus for attachment to a rail vehicle in which a rotary snow plow having a pair of coaxial milling cylinders is mounted in a common housing and synchronously driven through a common drive transmission. The housing is mounted to the front end of the vehicle by a first supporting member extending along the width of the vehicle and securely fixed thereto and a second supporting member on which the rotary housing is pivotally held. The second supporting member is adapted to slidably engage with and be held on the first supporting member so that it may be laterally shifted in the horizontal plane, on the fixed supporting member from side to side of the vehicle.

Description

Die Erfindung betrifft eine Vorbauschneeräumeinrichtung für ein Schienenräumfahrzeug, welche längs einer zur Gleisebene parallelen Führung seitlich verstellbar auf einer fahrzeugfesten Tragvorrichtung abgestützt ist.The invention relates to a front-end snow clearing device for a rail clearing vehicle, which is supported laterally adjustable on a carrier device fixed to the vehicle along a guide parallel to the track plane.

Eine derartige bekannte Schneeräumeinrichtung
(Deutsche Patentschrift 20 34 508) besteht aus zwei Schneeschleudern, die unabhängig voneinander aus einer Mittellage, in der sie zusammenstoßen, jeweils horizontal nach außen verstellbar sind. Jeder Einsatz mit einer seitlich auscefahrenen Schneeschleuder hat zur Voraussetzung, daß die gleiche Strecke zuerst mit zusammengefahrenen Schneeschleudern geräumt wird, da sonst ein ungeräumter Mittelstreifen verbleibt. Die an den Wurfradgehäusen jeder Schneeschleuder befestigten Auswurfkamine beeinträchtigen erheblich die Sicht des Fahrers. Die jeweils über einen eigenen Motor angetriebenen Schneeschleudern können jeweils nur mit der halben Leistung eines auf dem Tragfahrzeug verfügbaren Antriebs betrieben werden.Such a known snow removal device
(German Patent Specification 20 34 508) consists of two snow blowers, each of which can be adjusted horizontally outwards independently of one another from a central position in which they meet. Every operation with a snow blower extended to the side has the prerequisite that the same route must first be cleared with snow blowers moved together, otherwise an uncleaned median strip remains. The ejection chimneys attached to the throwing wheel housings of each snow blower significantly impair the driver's view. The snow blowers, each driven by its own motor, can only be operated with half the power of a drive available on the carrier vehicle.

Demgegenüber liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine rationeller einsetzbare Vorbauschneeräumeinrichtung für ein Schienenfahrzeug zu schaffen, bei welcher die zur bekannten Vorrichtung genannten Nachteile vermieden sind.In contrast, the present invention has for its object to provide a more efficient front snow removal device for a rail vehicle, in which the disadvantages mentioned for the known device are avoided.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Schneeräumeinrichtung als Schneefräse mit zwei in einem gemeinsamen Trommelgehäuse aufgenommenen, synchron über eine gemeinsame Triebverbindung antreibbaren Frästrommeln besteht, und daß die Führung eine an der Tragvorrichtung vorgesehene, sich etwa über die gesamte Fahrzeugbreite erstreckende Führungsschiene und ein Führungsgegenstück umfaßt, an dem das Trommelgehäuse um untere Anlenkpunkte schwenkbar abgestützt ist.This object is achieved in that the snow removal device as a snow blower with two in a common drum housing, synchronously driven by a common drive connection milling drums, and that the guide is provided on the support device, extending approximately over the entire width of the vehicle and a guide counterpart includes, on which the drum housing is pivotally supported about lower pivot points.

Eine an sich bekannte Art der Aufhängung des Trommelgehäuses zur Verstellung der Neigung bzw. des Abstandes zur BodenQberfläche wird dadurch verwirklicht, daß an gegenüberliegenden Seiten des Führungsgegenstücks nach oben ragende Verlängerungen vorgesehen sind, deren obere Enden jeweils ein Befestigungsmittel für eine verlängerbare Zugverbindung mit dem Trommelgehäuse aufweist.A known type of suspension of the drum housing for adjusting the inclination or the distance to the surface Q surface is realized in that upward extensions are provided on opposite sides of the guide counterpart, the upper ends of which each have a fastening means for an extendable train connection with the Has drum housing.

Nach dem erfindungsgemäßen Lösungsvorschlag kann ein an sich bekanntes Fräsaggregat verwendet werden. Anstelle der dabei am Trägerfahrzeug vorhandenen Befestigungspunkte für die Aufhängung der Frästrommel treten entsprechende Befestigungspunkte am Führungsgegenstück, wobei nach einer zweckmäßigen Weiterbildung das Trommelgehäuse fahrzeugseitig unten einen oder mehrere mit dem Führungsgegenstück gelenkig verbundene Stützvorsprünge aufweist.According to the proposed solution, a milling unit known per se can be used. Corresponding attachment points occur at the guiding counter-part, instead of the here present on the carrier vehicle mounting points for the suspension of the milling drum, wherein the vehicle side to an expedient development of the drum housing bottom has one or more g with the guide egenstück supporting projections hingedly connected.

Beim Räumen von teifverschneiten Schienenwegen besteht eine bekannte Forderung darin, daß in Kurven auf der kurveninneren Seite der Schienenweg breiter geräumt wird als auf der kurvenäußeren Seite. Dadurch soll besonders bei langen Schienenfahrzeugen ein seitliches Anstreifen an der kurveninneren Schneewand vermieden werden. Ein derartiges Räumprofil kann durch eine geringfügige seitliche Verschiebung der erfindungsgemäßen Vorbauschneefräse in einem einzigen Arbeitsgang, d.h. durch nur eine Räumfahrt verwirklicht werden. Nur bei besonders breiten Räumspuren, etwa bei solchen bis zu einem beidseitigen Überstand von einem halben Meter, bezogen auf die Breite üblicher Schienenfahrzeuge, sind zwei Arbeitsgänge erforderlich, wobei das Fräsaggregat längs der Führung einmal nach rechts und einmal nach links außen verschoben ist. Die Gefahr eines im Gleisbereich verbleibenden Schneestreifens besteht dabei nicht. Bei einseitigem Einsatz des Fräsaggregats steht die gesamte Antriebsleistung für die im Einsatz befindliche Frästrommel zur Verfügung. Infolge des für beide Frästrommeln gemeinsamen Trommelgehäuses ist ein mittlerer Auswurfkamin ausreichend.When clearing snow-covered rail tracks, a known requirement is that the curve is cleared wider on the inside of the curve than on the outside of the curve. This is to avoid lateral rubbing against the inside of the snow wall, especially on long rail vehicles. Such a clearing profile can be achieved by a slight lateral displacement of the front-mounted snow blower according to the invention in a single operation, i.e. can be realized by just one clearing trip. Only in the case of particularly wide clearing tracks, for example those with a protrusion of up to half a meter on both sides, based on the width of conventional rail vehicles, are two work steps required, the milling unit being shifted along the guide once to the right and once to the left outside. There is no danger of snow streaks remaining in the track area. If the milling unit is used on one side, the entire drive power is available for the milling drum in use. Due to the common drum housing for both milling drums, a medium discharge chute is sufficient.

Im Rahmen der Erfindung besteht die Möglichkeit, das Verschieben des Trommeloehäuses längs der Führung mittels eines mechanischen, bevorzugt hydraulischen Antriebs vom Fahrerhaus aus ferngesteuert zu bewirken, so daß eine Verschiebung auch während des Arbeitseinsatzes möglich ist.Within the scope of the invention, there is the possibility of remotely controlling the displacement of the drum housing along the guide by means of a mechanical, preferably hydraulic drive, so that a displacement is also possible during work.

Im folgenden wird ein Ausführungsbeispiel der Erfindung anhand der Zeichnung erläutert.An exemplary embodiment of the invention is explained below with reference to the drawing.

Es zeigt

  • Fig. 1 eine Draufsicht auf ein Schienenräumfahrzeug mit angebauter Vorbauschneefräse und
  • Fig. 2 eine Seitenansicht der Vorbauschneefräse.
It shows
  • Fig. 1 is a plan view of a rail clearing vehicle with attached front snow blower and
  • Fig. 2 is a side view of the front snow blower.

Bei dem in den Fig. 1 und 2 dargestellten Ausführungsbeispiel ist die Vorbauschneefräse an ein auf Schienenbetrieb umgerüstetes Straßenfahrzeug 1 angebaut. Im unteren Bereich der Frontseite des Fahrzeugs 1 sind an dessen Chassis (nicht dargestellt) Verlängerungen 2 angeflanscht, die über eingeschweißte Zwischenstücke 3 mit einer Tragplatte 4 verbunden sind. Die Tragplatte 4 ist an der Fahrzeugseite einer im Querschnitt L-förmigen Führungsschiene 5 befestigt, deren Länge etwa der Breite des Fahrzeugs entspricht. Über den unteren Quersteg 6 der Führungsschiene 5 greift ein Führungsgegenstück 7, welches aus zwei über kurze Verbindungsstege 8 fest miteinander verbundenen Profilteilen 9, 10 besteht. Diese beiden Profilteile umgreifen den Steg 6 der Führungsschiene 5 von unten bzw. oben, so daß das Führungsgegenstück 7 kippsicher längs des Stegs 6 der Führungsschiene verfahrbar ist.In the embodiment shown in FIGS. 1 and 2, the front-mounted snow blower is attached to a road vehicle 1 converted to rail operation. In the lower area of the front of the vehicle 1, extensions 2 are flanged to its chassis (not shown), which are connected to a support plate 4 via welded-in intermediate pieces 3. The support plate 4 is attached to the vehicle side of a cross-sectionally L-shaped guide rail 5, the length of which corresponds approximately to the width of the vehicle. A guide counterpart 7, which consists of two profile parts 9, 10 which are firmly connected to one another via short connecting webs 8, engages over the lower transverse web 6 of the guide rail 5. These two profile parts encompass the web 6 of the guide rail 5 from below or above, so that the guide counterpart 7 can be moved in a tilt-resistant manner along the web 6 of the guide rail.

An den Profilteilen 9, 10 des Führungsgegenstücks ist das eigentliche Fräsaggregat 11 gelenkig aufgehängt. Der fahrzeugseitige Profilteil 10 besitzt an seinen gegenüberliegenden Enden nach oben ragende Ansätze 12, an deren Enden jeweils eine längenverstellbare Zugstange 13 angreift, deren anderes Ende am Trommelgehäuse 14 angelenkt ist. Darüber hinaus ist ein weiterer längenver- änderlicher Lenker 15 zwischen einem oberen Anlenkpunkt 16 des Trommelgehäuses 14 und einem oberen Anlenkpunkt 17 am frästrommelseitigen Profilteil 9 angelenkt. Insgesamt sind zwei derartige Lenker 15, und zwar im Bereich der seitlichen Enden des Trommelgehäuses vorgesehen. Weiterhin ist das Trommelgehäuse an seiner Unterseite über feste Stützvorsprünge 25, die mit ihrem freien Ende ge- lenkig mit dem trommelseitigen Profilteil 9 verbunden sind, abgestützt. Ein Auswurfkamin 18 ist über einen Drehkranz 19 an der Oberseite des Trommelgehäuses 14 angeschlossen. Im Inneren des Trommelgehäuses 14 sind zwei FrästrommeIn 20, 21 aufgenommen, die über ein nicht dargestelltes Winkelgetriebe angetrieben sind, welches im Inneren eines zwischen den Frästrommeln vorgesehenen Verbindungsrings 22 abgestützt ist. Die Frästrommeln sind auf von diesem Winkelgetriebe ausgehenden Halbachsen gelagert.On the profile parts 9, 10 of the Guide e g sgegenstücks the actual milling unit 11 is pivotally suspended. The vehicle-side profile part 10 has, at its opposite ends, upwardly projecting lugs 12, at the ends of which a length-adjustable pull rod 13 acts, the other end of which is articulated on the drum housing 14. In addition, another längenver- änderlicher link 15 between an upper pivot point 16 of the drum ehäuses g 14 and an upper pivot point 17 articulated to the milling drum-side profile part. 9 A total of two such links 15 are provided, namely in the region of the lateral ends of the drum housing. Continue towards the drum housing on its underside via fixed supporting projections 25, which are connected overall enkig l with its free end to the drum-side profile part 9, supported. An ejection chimney 18 is connected to the top of the drum housing 14 via a turntable 19. Inside the drum housing 14, two milling drums 20, 21 are received, which are driven by an angular gear, not shown, which is supported in the interior of a connecting ring 22 provided between the milling drums. The milling drums are mounted on semiaxes extending from this angular gear.

Gemäß Fig. 1 ist der gesamte Fräsenvorbau auf der Füh - rungsschiene 5, in Fahrtrichtung gesehen, nach links verschoben, so daß er seitlich etwa einen halben Meter über die linke Fahrzeugbegrenzu.ng hinausragt. Die äußerst rechte Verschiebemöglichkeit des Fräsenvorbaus ist mit strichpunktierten Linien angedeutet. Es sind auch beliebige Zwischenstellunoen des Fräsenvorbaus auf der Führungsschiene 5 möglich. Aus Gründen der zeichnerischen Vereinfachung ist die in der Praxis vorgesehene hydraulische Einrichtung zum ferngesteuerten Verschieben des Fräsenvorbaus längs der Führungsschiene 5 nicht dargestellt. Anstelle des auf den Schienen 23 fahrenden mittels zusätzlicher Führungsrollen 24 geführten Straßenfahrzeugs kann der beschriebene Fräsenvorbau auch an einem reinen Schienenfahrzeuc, z.B. an der Vorderseite einer Lokomotive angebracht sein.According to FIG. 1, the entire milling stem on the guide rail 5, as seen in the direction of travel, is shifted to the left, so that it projects laterally about half a meter beyond the left vehicle boundary. The extreme right-hand shifting possibility of the milling stem is indicated by dash-dotted lines. Any intermediate positions of the milling stem on the guide rail 5 are also possible. For the sake of simplifying the drawing, the hydraulic device provided in practice for remote-controlled displacement of the milling cutter along the guide rail 5 is not shown. Instead of the road vehicle traveling on the rails 23 by means of additional guide rollers 24, the milling stem described can also be used on a pure rail vehicle, e.g. be attached to the front of a locomotive.

Claims (3)

1. Vorbauschneeräumeinrichtung für ein Schienenräumfahrzeug, welche längs einer zur Gleisebene parallelen Führung seitlich verstellbar auf einer fahrzeugfesten Tragvorrichtung abgestützt ist,
dadurch gekennzeichnet,
daß die Schneeräumeinrichtung als Schneefräse mit zwei in einem gemeinsamen Trommelgehäuse (14) aufgenommenen, synchron über eine gemeinsame Triebverbindung antreibbaren Frästrommeln (20, 21) besteht, und daß die Führung eine an der Tragvorrichtung vorgesehene, sich etwa über die gesamte Fahrzeugbreite erstreckende Führungsschiene (5) und ein Führungsgegenstück (7) umfaßt, an dem das Trommelgehäuse (14) um untere Anlenkpunkte schwenkbar abgestuzt ist.1. Front snow removal device for a rail clearing vehicle, which is supported laterally adjustable on a carrier device fixed to the vehicle along a guide parallel to the track plane,
characterized,
that the snow clearing device as a snow blower with two milling drums (20, 21) accommodated in a common drum housing (14) and synchronously drivable via a common drive connection, and that the guide comprises a guide rail (5 ) and a guiding counter-part (7), on which the drum housing effectively (14) is pivotable about abgestuzt lower articulation points. 2. Vorbauschneeräumeinrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß an gegenüberliegenden Seiten des Führungsgegenstücks (7) nach oben ragende Verlängerungen (12) vorgesehen sind, deren obere Enden jeweils ein Befestigungsmittel für eine verlängerbare Zugverbindung (13) mit dem Trommelgehäuse (14) aufweisen.2. front snow removal device according to claim 1,
characterized,
that on opposite sides of the guide counterpart (7) projecting upward extensions (12) are provided, the upper ends of which each have a fastening means for an extensible train connection (13) to the drum housing (14). 3. Vorbauschneeräumeinrichtung nach Anspruch 1 und/oder 2,
dadurch gekennzeichnet,
daß das Trommelgehäuse (14) fahrzeugseitig unten einen oder mehrere mit dem Führungsgegenstück (7) gelenkig verbundene Stützvorsprünge (25) aufweist.3. Front snow removal device according to claim 1 and / or 2,
characterized,
that the drum housing (14) on the vehicle side has one or more support projections (25) articulated to the guide counterpart (7).
EP79105020A 1979-11-24 1979-12-10 Projecting snow-removing device for a rail clearing-vehicle Expired EP0029466B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79105020T ATE4605T1 (en) 1979-11-24 1979-12-10 SNOW CLEARING EQUIPMENT FOR A RAIL CLEARING VEHICLE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792947396 DE2947396A1 (en) 1979-11-24 1979-11-24 STEM SNOW DEVICE FOR A RAIL VEHICLE
DE2947396 1979-11-24

Publications (2)

Publication Number Publication Date
EP0029466A1 true EP0029466A1 (en) 1981-06-03
EP0029466B1 EP0029466B1 (en) 1983-09-07

Family

ID=6086779

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79105020A Expired EP0029466B1 (en) 1979-11-24 1979-12-10 Projecting snow-removing device for a rail clearing-vehicle

Country Status (6)

Country Link
US (1) US4354320A (en)
EP (1) EP0029466B1 (en)
JP (1) JPS5677411A (en)
AT (1) ATE4605T1 (en)
CA (1) CA1139323A (en)
DE (2) DE2947396A1 (en)

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US5642673A (en) * 1996-04-08 1997-07-01 Lucky, Sr.; Bobby D. Snow and ice melting device
US6178668B1 (en) 1999-01-29 2001-01-30 Erskine Manufacturing Company, Inc. Apparatus and method for connecting an implement to a traction vehicle
JP3741623B2 (en) * 2001-05-01 2006-02-01 株式会社日本除雪機製作所 Work vehicle equipped with an orbital attachment
CA2414526C (en) * 2001-12-14 2011-02-22 Loram Maintenance Of Way, Inc. Snow removal apparatus
US20030182825A1 (en) * 2002-03-29 2003-10-02 Brown Michael W. Snow plow
US6651529B1 (en) 2002-07-02 2003-11-25 Hydro-Gear Limited Partnership Hydrostatic transmission
JP2016043875A (en) * 2014-08-26 2016-04-04 三菱重工業株式会社 Snow removal brush, vehicle, combination vehicle, and track transportation system
JP2016055742A (en) * 2014-09-09 2016-04-21 三菱重工業株式会社 Snow removal device, vehicle and track transport system

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DE2034508C3 (en) * 1970-07-11 1979-05-23 Martin Beilhack Maschinenfabrik Und Hammerwerk Gmbh, 8200 Rosenheim Snow clearing device for a railway carrier vehicle
DE2508769A1 (en) * 1975-02-28 1976-09-09 Beilhack Maschf Martin Snow plough for railway tracks - has two ploughs mounted side by side moving horizontally at right angles to direction of travel
DE2557980A1 (en) * 1975-12-22 1977-06-23 Beilhack Maschf Martin Railway vehicle centrally divided snowplough - has halves hinged to transverse frame supported straight guideways

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440491A1 (en) * 1984-11-06 1986-05-22 Martin Beilhack Maschinenfabrik Und Hammerwerk Gmbh, 8200 Rosenheim Snowplough

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JPS5677411A (en) 1981-06-25
CA1139323A (en) 1983-01-11
DE2966147D1 (en) 1983-10-13
EP0029466B1 (en) 1983-09-07
US4354320A (en) 1982-10-19
DE2947396A1 (en) 1981-05-27
ATE4605T1 (en) 1983-09-15

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