EP0151757B1 - Rotary snow plough - Google Patents

Rotary snow plough Download PDF

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Publication number
EP0151757B1
EP0151757B1 EP84115506A EP84115506A EP0151757B1 EP 0151757 B1 EP0151757 B1 EP 0151757B1 EP 84115506 A EP84115506 A EP 84115506A EP 84115506 A EP84115506 A EP 84115506A EP 0151757 B1 EP0151757 B1 EP 0151757B1
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EP
European Patent Office
Prior art keywords
belt
snow
rotary snow
plough
conveyor
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
Application number
EP84115506A
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German (de)
French (fr)
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EP0151757A3 (en
EP0151757A2 (en
Inventor
Alfred Schmidt
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Ing Alfred Schmidt GmbH
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Ing Alfred Schmidt GmbH
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Priority to AT84115506T priority Critical patent/ATE47443T1/en
Publication of EP0151757A2 publication Critical patent/EP0151757A2/en
Publication of EP0151757A3 publication Critical patent/EP0151757A3/en
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Publication of EP0151757B1 publication Critical patent/EP0151757B1/en
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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
    • E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
    • E01H5/06—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by non-driven elements, e.g. scraper blades, snow-plough blades, scoop blades
    • E01H5/07—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by non-driven elements, e.g. scraper blades, snow-plough blades, scoop blades and conveying dislodged material by driven or pneumatic means
    • 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
    • E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
    • E01H5/08—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements
    • E01H5/09—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels

Definitions

  • the invention relates to a snow blower with feed plows arranged on one or both sides of its housing in order to enlarge the inlet cross-section, the feed plows being assigned conveyor elements for transporting the snow in the direction of the blower wheel.
  • such snow blowers which can optionally have one or two centrifugal wheels arranged next to one another, are widened on one or both sides, these widenings, in the form of so-called feed plows, to a certain extent forming a funnel tapering towards the blower wheel cross section.
  • the housing of such snow blowers closes off to the ground surface by means of wear rails.
  • a snow plow of the type mentioned at the beginning with two adjustable feed plows is described in US-A-1 673 457.
  • the conveyor elements consist of screw conveyors, the axes of which run horizontally and parallel to the feed plows.
  • the drive of the screw conveyor and that of the centrifugal wheel are mechanically coupled to one another.
  • the mechanical coupling of the drives for the conveying elements and for the centrifugal wheel specifies a fixed speed ratio of the two devices. It is therefore not possible to match the conveying capacity of the conveying elements regardless of the speed of the centrifugal wheel.
  • the known snow blower can therefore not optimally meet the various requirements in operation such. B. amount of snow, snow quality, clearing speed, centrifugal range.
  • the object of the present invention is to design a snow blower of the type mentioned at the outset in such a way that the clearing capacity of the conveying elements and the blower wheel or blower wheels can be optimally adapted to the prevailing requirements.
  • the conveyor elements are designed as conveyor belts with projections extending transversely to the direction of rotation and that the drive of the conveyor belt (the conveyor belts) takes place independently of the drive of the centrifugal wheel.
  • the preferred location for the attachment of such belt conveyor elements is the side wall or, in the case of a symmetrical design, both side walls of the collecting housing that is built into the drum housing of the actual snow blower.
  • the walls of this catch housing can be designed as a belt conveyor element as a whole or only in part.
  • Suitable belt conveyor elements are known per se. In connection with the medium of snow, they are used, for example, as drive caterpillars for snow vehicles. These are reinforced rubber bands which have projecting ribs or similar elevations which run transversely to the direction of rotation and with which they engage in the snow base.
  • a preferred embodiment of the invention provides that the plane of the belt conveyor elements is set parallel to the coulter plane and obliquely with respect to the ground in the direction of travel, so that the back of the coulter forms an acute angle with the ground surface.
  • the belt conveyor elements are each oriented with their conveying direction toward or above the axis of rotation of the centrifugal wheel. In this way it is achieved that the conveyed snow is distributed as evenly as possible over the cross-section of the centrifugal wheel.
  • the belt conveyor elements can either be inserted into corresponding recesses in the housing parts receiving them or be arranged such that the outer deflection of the belt conveyor elements forms the outer edge of the respective coulter of a feed plow.
  • the drive for the belt conveyor elements is independent of the drive of the centrifugal wheel.
  • a hydraulic drive is particularly suitable, with a corresponding oil motor on the back of the wall part receiving the belt conveyor element, e.g. B. a crowd can be arranged.
  • the rotational speed of the belt conveyor elements is preferably variable; It expediently corresponds at least to the respective clearing speed, automatic adjustment of the rotating speed to the clearing speed being expedient. If the snow is conveyed away from the belt conveyor elements as quickly as the clearing vehicle enters new snow masses, snow can no longer build up.
  • the projections of the conveyor belts of the belt conveyor elements can be plate-like or scale-like.
  • the projections are expediently designed in such a way that they have a cross-sectional shape that increases obliquely in the conveying direction.
  • the projections can also be folded over on Conveyor belt to be attached so that they lie close to the surface of the conveyor belt. This variant enables problem-free operation of the clearing vehicle even when the conveyor belt elements are at a standstill. B. could be useful when clearing powder snow.
  • the snow blower comprises the centrifugal wheel 1, which is arranged in the interior of the actual, approximately drum-shaped centrifugal wheel housing 2.
  • the housing 2 in turn has pre-assembled housing parts, namely an annular skirt 3 and a side-mounted feed plow 4. It can be easily imagined that such a feed plow is provided on both sides of the housing 2.
  • the housing apron 3 carries a wear rail 6 on its underside which slides over the floor surface. A further wear rail 7 protects the lower edge of the feed plow 4.
  • the feed plow 4 consists of the actual share 8, which is stiffened on the back by ribs 9.
  • the coulter 8 is slightly bent inwards, as indicated by the radius R in FIG. 2.
  • the coulter 8 has a window-like recess 10, in which a belt conveyor element 11 is inserted.
  • This belt conveyor element 11 rotates in the direction of the arrows F around deflection rollers provided with axles 12, 13 at opposite ends.
  • a hydraulic motor 14 is located as the drive on the rear of the feed plow 4, as clearly shown in FIG. 2.
  • the conveyor belt of the belt conveyor element 11 has rib-shaped projections 15 running transversely to the conveying direction. As shown in FIG.
  • these projections can be narrow aluminum plates anchored in the conveyor belt; another embodiment of these projections is shown in FIG. 2.
  • the conveyor belt 16 has scale-like projections 17 there according to the conveying direction. Arrow F have steep flanks 18 and have rear faces 19 that rise relatively flat in the opposite direction. This embodiment of the conveyor belt enables low-friction snow transport in the conveying direction F even when the belt conveyor element is at a standstill.
  • the bearing of the belt conveyor element can be seen, the drive axis 13 of which is received with its two ends in rotary bearings 20, 21 and is set in rotation by means of the hydraulic motor 14.
  • the axis 13 forms an acute angle with the bottom surface 22, which is expediently between 40 and 80 degrees, preferably about 60 °.
  • the ribs 9 provided on the rear of the share 8 are provided with cutouts 23.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Escalators And Moving Walkways (AREA)
  • Soil Working Implements (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Centrifugal Separators (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

In a rotary snow plough having a feed plough arranged on a side of its housing (2) in order to increase the intake cross section, the accumulation of snow on the ploughshare (8) of the feed plough (4) is avoided by providing, in the ploughshare (8), a belt conveyor element (11) supplying the rotary element(s) of the rotary plough.

Description

Die Erfindung betrifft eine Schneeschleuder mit ein- oder beidseitig an ihrem Gehäuse angeordneten Zuführpflügen zur Vergrößerung des Eintrittsquerschnitts, wobei den Scharen der Zuführpflüge Förderelemente für den Transport des Schnees in Richtung auf das Schleuderrad zugeordnet sind.The invention relates to a snow blower with feed plows arranged on one or both sides of its housing in order to enlarge the inlet cross-section, the feed plows being assigned conveyor elements for transporting the snow in the direction of the blower wheel.

Je nach der gewünschten Räumbreite werden derartige Schneeschleudern, die wahlweise ein oder zwei nebeneinander angeordnete Schleuderräder aufweisen können, nach einer oder beiden Seiten hin verbreitert, wobei diese Verbreiterungen, in Form sogenannter Zuführpflüge gewissermaßen einen zum Schleuderradquerschnitt hin zulaufenden Trichter bilden. Mittels Verschleißschienen schließt das Gehäuse derartiger Schneeschleudern zur Bodenoberfläche hin ab.Depending on the desired clearing width, such snow blowers, which can optionally have one or two centrifugal wheels arranged next to one another, are widened on one or both sides, these widenings, in the form of so-called feed plows, to a certain extent forming a funnel tapering towards the blower wheel cross section. The housing of such snow blowers closes off to the ground surface by means of wear rails.

Ein Schneepflug der eingangs genannten Art mit zwei verstellbaren Zuführpflügen ist in der US-A-1 673 457 beschrieben. Die Förderelemente bestehen aus Förderschnecken, deren Achsen horizontal und parallel zu den Zuführpflügen verlaufen. Der Antrieb der Förderschnecken und der des Schleuderrades sind mechanisch miteinander gekoppelt.A snow plow of the type mentioned at the beginning with two adjustable feed plows is described in US-A-1 673 457. The conveyor elements consist of screw conveyors, the axes of which run horizontally and parallel to the feed plows. The drive of the screw conveyor and that of the centrifugal wheel are mechanically coupled to one another.

Eine andere Möglichkeit, den Scharen eines Schneepfluges Förderelemente zuzuordnen, ist in der US-A-1 727 186 beschrieben. Die horizontale Förderung des aufgestauten Schnees erfolgt hier durch eine Vielzahl von endlos miteinander gekoppelten Stegen, welche sich auf der Oberfläche der Pflugschar in Förderrichtung und auf der Rückseite in der Gegenrichtung bewegen.Another possibility of assigning conveyor elements to the shares of a snow plow is described in US-A-1 727 186. The horizontal accumulation of the accumulated snow takes place here through a multitude of webs which are endlessly coupled to one another and move on the surface of the ploughshare in the conveying direction and on the back in the opposite direction.

Bei den Schneeschleudern gemäß dem Stand der Technik ist durch die mechanische Kopplung der Antriebe für die Förderelemente und für das Schleuderrad ein festes Drehzahlverhältnis der beiden Einrichtungen vorgegeben. Eine Abstimmung der Förderleistung der Förderelemente unabhängig von der Drehzahl des Schleuderrades ist daher nicht möglich. Die bekannte Schneeschleuder kann daher nicht optimal auf die verschiedenen Anforderungen im Betrieb wie z. B. Schneemenge, Schneequalität, Räumungsgeschwindigkeit, Schleuderweite eingestellt werden.In the snow blowers according to the prior art, the mechanical coupling of the drives for the conveying elements and for the centrifugal wheel specifies a fixed speed ratio of the two devices. It is therefore not possible to match the conveying capacity of the conveying elements regardless of the speed of the centrifugal wheel. The known snow blower can therefore not optimally meet the various requirements in operation such. B. amount of snow, snow quality, clearing speed, centrifugal range.

Aufgabe der vorliegenden Erfindung ist es, eine Schneeschleuder der eingangs genannten Art so auszubilden, daß eine optimale Anpassung der Räumleistung der Förderelemente und des Schleuderrades bzw. der Schleuderräder an die herrschenden Anforderungen möglich ist. Darüberhinaus soll ein Betrieb der Schneeschleuder auch bei stillstehenden Förderelementen möglich sein, ohne daß die Förderelemente die Zuführung des Schnees mittels den Zuführpflügen wesentlich behindern.The object of the present invention is to design a snow blower of the type mentioned at the outset in such a way that the clearing capacity of the conveying elements and the blower wheel or blower wheels can be optimally adapted to the prevailing requirements. In addition, it should be possible to operate the snow blower even when the conveyor elements are at a standstill without the conveyor elements significantly obstructing the supply of snow by means of the supply plows.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Förderelemente als Förderbänder mit zur Umlaufrichtung quer verlaufenden Vorsprüngen ausgebildet sind und daß der Antrieb des Förderbandes (der Förderbänder) unabhängig vom Antrieb des Schleuderrades erfolgt.This object is achieved in that the conveyor elements are designed as conveyor belts with projections extending transversely to the direction of rotation and that the drive of the conveyor belt (the conveyor belts) takes place independently of the drive of the centrifugal wheel.

Gemäß diesem Lösungsvorschlag ist der bevorzugte Ort für die Anbringung solcher Bandförderelemente die Seitenwand bzw. bei symmetrischer Ausbildung beide Seitenwände des dem Trommelgehäuse der eigentlichen Schneeschleuder vorgebauten Fanggehäuses. Dabei können die Wände dieses Fanggehäuses insgesamt oder auch nur ausschnittweise als Bandförderelemente ausgebildet sein.According to this proposed solution, the preferred location for the attachment of such belt conveyor elements is the side wall or, in the case of a symmetrical design, both side walls of the collecting housing that is built into the drum housing of the actual snow blower. The walls of this catch housing can be designed as a belt conveyor element as a whole or only in part.

Die Wirkung derartiger Bandförderelemente besteht einmal darin, daß sie jedes Festsetzen von Schnee an den genannten Gehäuseteilen verhindern, zusätzlich den Schnee auch noch dem eigentlichen Schleuderrad zuführen.The effect of such belt conveyor elements consists in the fact that they prevent any snow from getting stuck on the housing parts mentioned, and in addition also feed the snow to the actual centrifugal wheel.

Geeignete Bandförderelemente sind an sich bekannt. In Zusammenhang mit dem Medium Schnee werden sie beispielsweise als Antriebsraupen für Schneefahrzeuge verwendet. Es handelt sich um verstärkte Gummibänder, welche quer zur Umlaufrichtung verlaufende vorspringende Rippen oder dergleichen Erhöhungen aufweisen, mit welchen sie in die Schneeunterlage eingreifen.Suitable belt conveyor elements are known per se. In connection with the medium of snow, they are used, for example, as drive caterpillars for snow vehicles. These are reinforced rubber bands which have projecting ribs or similar elevations which run transversely to the direction of rotation and with which they engage in the snow base.

Eine bevorzugte Ausführungsform der Erfindung sieht vor, daß die Ebene der Bandförderelemente zur Scharebene parallel und gegenüber dem Boden in Fahrtrichtung schräg angestellt ist, so daß die Rückseite der Schar mit der Bodenoberfläche einen spitzen Winkel einschließt.A preferred embodiment of the invention provides that the plane of the belt conveyor elements is set parallel to the coulter plane and obliquely with respect to the ground in the direction of travel, so that the back of the coulter forms an acute angle with the ground surface.

Als zweckmäßige Anordnung der Bandförderelemente ist vorgesehen, daß diese jeweils mit ihrer Förderrichtung zur Rotationsachse des Schleuderrads hin oder darüber orientiert sind. Auf diese Weise wird erreicht, daß der geförderte Schnee möglichst gleichmäßig über den Schleuderradquerschnitt verteilt wird.As an expedient arrangement of the belt conveyor elements, it is provided that they are each oriented with their conveying direction toward or above the axis of rotation of the centrifugal wheel. In this way it is achieved that the conveyed snow is distributed as evenly as possible over the cross-section of the centrifugal wheel.

Die Bandförderelemente können entweder in entsprechende Ausnehmungen der sie aufnehmenden Gehäuseteile eingesetzt oder so angeordnet sein, daß die äußere Umlenkung der Bandförderelemente die Aussenkante der jeweiligen Schar eines Zuführpflugs bildet.The belt conveyor elements can either be inserted into corresponding recesses in the housing parts receiving them or be arranged such that the outer deflection of the belt conveyor elements forms the outer edge of the respective coulter of a feed plow.

Der Antrieb für die Bandförderelemente ist unabhängig vom Antrieb des Schleuderrads. Besonders geeignet ist ein hydraulischer Antrieb, wobei ein entsprechender Ölmotor auf der Rückseite des das Bandförderelement aufnehmenden Wandteils, z. B. einer Schar, angeordnet sein kann.The drive for the belt conveyor elements is independent of the drive of the centrifugal wheel. A hydraulic drive is particularly suitable, with a corresponding oil motor on the back of the wall part receiving the belt conveyor element, e.g. B. a crowd can be arranged.

Die Umlaufgeschwindigkeit der Bandförderelemente ist bevorzugt variabel; zweckmäßig entspricht sie etwa mindestens der jeweiligen Räumgeschwindigkeit, wobei eine automatische Anpassung der Umlauf- an die Räumgeschwindigkeit zweckmäßig ist. Wenn der Schnee so schnell von den Bandförderelementen weggefördert wird, wie das Räumfahrzeug in neue Schneemassen eintritt kann sich kein Schnee mehr aufstauen.The rotational speed of the belt conveyor elements is preferably variable; It expediently corresponds at least to the respective clearing speed, automatic adjustment of the rotating speed to the clearing speed being expedient. If the snow is conveyed away from the belt conveyor elements as quickly as the clearing vehicle enters new snow masses, snow can no longer build up.

Die Vorsprünge der Förderbänder der Bandförderelemente können platten - oder schuppenartig ausgebildet sein. Um einen geringen Gleitwiderstand auch bei stillstehendem Bandförderelement sicherzustellen, sind die Vorsprünge zweckmäßig so auszubilden, daß sie eine in Förderrichtung schräg ansteigende Querschnittsform aufweisen. Die Vorsprünge können aber auch umklappbar am Förderband befestigt sein, so daß sie sich eng an die Oberfläche des Förderbands anlegen. Diese Variante ermöglicht einen problemlosen Betrieb des Räumfahrzeugs auch bei stillstehenden Bandförderelementen, was z. B. beim Räumen von Pulverschnee zweckmäßig sein könnte.The projections of the conveyor belts of the belt conveyor elements can be plate-like or scale-like. In order to ensure a low sliding resistance even when the belt conveyor element is at a standstill, the projections are expediently designed in such a way that they have a cross-sectional shape that increases obliquely in the conveying direction. The projections can also be folded over on Conveyor belt to be attached so that they lie close to the surface of the conveyor belt. This variant enables problem-free operation of the clearing vehicle even when the conveyor belt elements are at a standstill. B. could be useful when clearing powder snow.

Im folgenden wird ein Ausführungsbeispiel der erfindungsgemäßen Schneeschleuder anhand der Zeichnung erläutert. Es zeigt

  • Fig. 1 eine Vorderansicht der Schneeschleuder
  • Fig. 2 einen Schnitt gem. 11-11 der Fig. 1 und
  • Fig. 3 einen Förderbandabschnitt.
An exemplary embodiment of the snow blower according to the invention is explained below with reference to the drawing. It shows
  • Fig. 1 is a front view of the snow blower
  • Fig. 2 shows a section. 11-11 of Fig. 1 and
  • Fig. 3 shows a conveyor belt section.

Gemäß Fig. 1 umfaßt die Schneeschleuder das Schleuderrad 1, welches im Inneren des eigentlichen, etwa trommelförmigen Schleuderradgehäuses 2 angeordnet ist. Das Gehäuse 2 wiederum besitzt vorgebaute Gehäuseteile, nämlich eine ringförmige Schürze 3 und einen seitlich angebauten Zuführpflug 4. Man kann sich ohne weiteres vorstellen, daß ein derartiger Zuführpflug auf beiden Seiten des Gehäuses 2 vorgesehen ist. Die Gehäuseschürze 3 trägt an ihrer über die Bodenoberfläche gleitenden Unterseite eine Verschleißschiene 6. Eine weitere Verschleißschiene 7 schützt die Unterkante des Zuführpflugs 4.1, the snow blower comprises the centrifugal wheel 1, which is arranged in the interior of the actual, approximately drum-shaped centrifugal wheel housing 2. The housing 2 in turn has pre-assembled housing parts, namely an annular skirt 3 and a side-mounted feed plow 4. It can be easily imagined that such a feed plow is provided on both sides of the housing 2. The housing apron 3 carries a wear rail 6 on its underside which slides over the floor surface. A further wear rail 7 protects the lower edge of the feed plow 4.

Der Zuführpflug 4 besteht aus der eigentlichen Schar 8, welche auf der Rückseite durch Rippen 9 ausgesteift ist. Im oberen Teil ist die Schar 8 leicht nach innen gebogen, wie mit dem Radius R in Fig. 2 angedeutet. Die Schar 8 besitzt eine fensterartige Ausnehmung 10, in welche ein Bandförderelement 11 eingesetzt ist. Dieses Bandförderelement 11 läuft in Richtung der Pfeile F um an gegenüberliegenden Enden vorgesehenen Umlenkwalzen mit den Achsen 12,13 um. Als Antrieb befindet sich auf der Rückseite des Zuführpflugs 4 ein Hydraulikmotor 14, wie in Fig. 2 deutlich dargestellt. Das Förderband des Bandförderelements 11 besitzt quer zur Förderrichtung verlaufende rippenförmige Vorsprünge 15. Diese Vorsprünge können, wie in Fig. 1 dargestellt, schmale, im Förderband verankerte Aluminiumplatten sein; eine andere Ausführungsform dieser Vorsprünge ist in Fig. 2 dargestellt. Das Förderband 16 besitzt dort schuppenförmige Vorsprünge 17 welche in Förderrichtung gem. Pfeil F steile Flanken 18 aufweisen, in der Gegenrichtung verhältnismäßig flach ansteigende Rückseiten 19 besitzen. Diese Ausführungsform des Förderbands ermöglicht einen reibungsarmen Schneetransport in Förderrichtung F auch bei stillstehendem Bandförderelement.The feed plow 4 consists of the actual share 8, which is stiffened on the back by ribs 9. In the upper part, the coulter 8 is slightly bent inwards, as indicated by the radius R in FIG. 2. The coulter 8 has a window-like recess 10, in which a belt conveyor element 11 is inserted. This belt conveyor element 11 rotates in the direction of the arrows F around deflection rollers provided with axles 12, 13 at opposite ends. A hydraulic motor 14 is located as the drive on the rear of the feed plow 4, as clearly shown in FIG. 2. The conveyor belt of the belt conveyor element 11 has rib-shaped projections 15 running transversely to the conveying direction. As shown in FIG. 1, these projections can be narrow aluminum plates anchored in the conveyor belt; another embodiment of these projections is shown in FIG. 2. The conveyor belt 16 has scale-like projections 17 there according to the conveying direction. Arrow F have steep flanks 18 and have rear faces 19 that rise relatively flat in the opposite direction. This embodiment of the conveyor belt enables low-friction snow transport in the conveying direction F even when the belt conveyor element is at a standstill.

Gemäß Fig. erkennt man die Lagerung des Bandförderelements, dessen Antriebsachse 13 mit ihren beiden Enden in Drehlagern 20, 21 aufgenommen ist, und mittels des Hydraulikmotors 14 in Rotation versetzt wird. Die Achse 13 schließt mit der Bodenoberfläche 22 einen spitzen Winkel ein, der zweckmäßig zwischen 40 und 80 Winkelgrade beträgt, bevorzugt bei etwa 60° liegt. Im Bereich des Bandförderelements 15 sind die an der Rückseite der Schar 8 vorgesehenen Rippen 9 mit Ausschnitten 23 versehen.According to FIG. 1, the bearing of the belt conveyor element can be seen, the drive axis 13 of which is received with its two ends in rotary bearings 20, 21 and is set in rotation by means of the hydraulic motor 14. The axis 13 forms an acute angle with the bottom surface 22, which is expediently between 40 and 80 degrees, preferably about 60 °. In the area of the belt conveyor element 15, the ribs 9 provided on the rear of the share 8 are provided with cutouts 23.

Claims (10)

1. Rotary snow-plough with supply ploughs (4) disposed on its housing (2) on one or both sides, for increasing the inlet cross-section, conveying members for conveying the snow in the direction of the impeller (1) being associated with the blades (8) of the supply ploughs (4), characterised in that the conveying members are constructed as conveyor belts (16) with projections (15, 17) extending transversely with respect to the direction of rotation and that the drive of the conveyor belt (of the conveyor belts) (16) takes place independently of the drive of the impeller (1).
2. Rotary snow-plough according to Claim 1, characterised in that the plane of the belt conveyor members (11) is arranged parallel to the plane of the blades and obliquely in the direction of travel with respect to the surface of the ground (22) so that the rear side of the blade (8) encloses an acute angle with the surface of the ground (22).
3. Rotary snow-plough according to Claim 1 or 2, characterised in that the belt conveying members (11) are oriented respectively with their conveying direction (F) towards the axis of rotation of the impeller or beyond.
4. Rotary snow-plough according to one of Claims 1 to 3, characterised in that the belt conveying members (11) are respectively inserted in corresponding recesses (10) of the housing parts receiving them.
5. Rotary snow-plough according to one of Claims 1 to 3, characterised in that the outer guide for the belt conveying members (11) forms the outer edge of the respective blade (4) of one supply plough.
6. Rotary snow-plough according to one of Claims 1 to 5, characterised in that each belt conveyor member (11) is driven independently.
7. Rotary snow-plough according to one of Claims 1 to 6, characterised in that the speed of rotation of the belt conveyor members (11) is variable.
8. Rotary snow-plough according to Claim 7, characterised in that the speed of rotation of the belt conveyor members (11) corresponds at least to the respective clearing speed.
9. Rotary snow-plough according to one of Claims 1 to 8, characterised in that the projections (17) are constructed in the form of ribs or scales and have a cross-sectional shape rising obliquely in the conveying direction (F).
10. Rotary snow-plough according to one of Claims 1 to 8, characterised in that the projections (17) are attached to the conveyor belt (16) in a collapsible manner, so that when the belt conveyor member is stationary, they bear closely against the surface of the conveyor belt.
EP84115506A 1984-02-10 1984-12-15 Rotary snow plough Expired EP0151757B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84115506T ATE47443T1 (en) 1984-02-10 1984-12-15 SNOW BLOWER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3404847 1984-02-10
DE3404847A DE3404847C2 (en) 1984-02-10 1984-02-10 Snow blower

Publications (3)

Publication Number Publication Date
EP0151757A2 EP0151757A2 (en) 1985-08-21
EP0151757A3 EP0151757A3 (en) 1986-12-30
EP0151757B1 true EP0151757B1 (en) 1989-10-18

Family

ID=6227409

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84115506A Expired EP0151757B1 (en) 1984-02-10 1984-12-15 Rotary snow plough

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US (1) US4715134A (en)
EP (1) EP0151757B1 (en)
JP (1) JPS60181409A (en)
AT (1) ATE47443T1 (en)
CA (1) CA1240712A (en)
DE (2) DE3404847C2 (en)
NO (1) NO157867C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IS3130A7 (en) * 1986-07-23 1987-03-05 Johann Guthmundsson Björn Clearing snow blower.
DE29603461U1 (en) * 1996-02-26 1997-06-26 Kaessbohrer Gelaendefahrzeug G Halfpiperreamer
FI20065097A0 (en) * 2006-02-10 2006-02-10 Maviteknik Oy Device for transferring material
US9359734B2 (en) * 2012-11-13 2016-06-07 Paul Favorito Snow plow-blower
US9200419B2 (en) 2013-02-27 2015-12-01 Wausau Equipment Company, Inc. Runway snowblower
US9725860B2 (en) * 2014-12-17 2017-08-08 Kim Kwee Ng Snow clearing device
US20210079612A1 (en) * 2018-01-03 2021-03-18 Eagle Aerospace, Ltd. Method and system for conveying snow along the width of a displacement snowplow

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733524A (en) * 1956-02-07 Snow plow
US3308563A (en) * 1967-03-14 Danek snow removing apparatus
US931559A (en) * 1909-04-10 1909-08-17 Carl Anton Bellrud Snow-plow.
US1328973A (en) * 1917-10-25 1920-01-27 Lawrence H Stowell Snowplow
US1407947A (en) * 1920-09-27 1922-02-28 Pagel Louis Snowplow
US1532567A (en) * 1924-03-25 1925-04-07 Robert A Aldinger Highway snowplow
US1567495A (en) * 1924-11-24 1925-12-29 Emery H Fahrney Snowplow
US1727186A (en) * 1926-10-08 1929-09-03 Carl S Webster Snowplow
US1673457A (en) * 1927-03-23 1928-06-12 Carl C A Jensen Snow remover
US2747306A (en) * 1952-08-13 1956-05-29 Hasenbuhler Millard Snow shovel conveyor
DE2039187A1 (en) * 1970-08-06 1972-03-16 Engelbert Bauer Snow clearing device
DE2041803A1 (en) * 1970-08-22 1972-02-24 Gewerk Eisenhuette Westfalia Device for removing the sediment that is deposited in the seepage basins of water extraction systems
DE2721411C2 (en) * 1977-05-12 1979-04-26 Ing. Alfred Schmidt Gmbh, 7822 St Blasien Snow blowers, in particular for attachment to railway vehicles
FI69168C (en) * 1981-04-28 1985-12-10 Veijo Eemeli Huotari ANORDNING FOER AVLAEGSNANDE AV SNOE FRAON VAEG

Also Published As

Publication number Publication date
DE3404847C2 (en) 1986-05-07
EP0151757A3 (en) 1986-12-30
JPH0223641B2 (en) 1990-05-24
DE3404847A1 (en) 1985-08-22
CA1240712A (en) 1988-08-16
NO850490L (en) 1985-08-12
NO157867C (en) 1988-06-01
US4715134A (en) 1987-12-29
JPS60181409A (en) 1985-09-17
DE3480221D1 (en) 1989-11-23
EP0151757A2 (en) 1985-08-21
ATE47443T1 (en) 1989-11-15
NO157867B (en) 1988-02-22

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