EP3819432B1 - Clearing blade - Google Patents

Clearing blade Download PDF

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Publication number
EP3819432B1
EP3819432B1 EP20205662.8A EP20205662A EP3819432B1 EP 3819432 B1 EP3819432 B1 EP 3819432B1 EP 20205662 A EP20205662 A EP 20205662A EP 3819432 B1 EP3819432 B1 EP 3819432B1
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EP
European Patent Office
Prior art keywords
blade
rubber strip
clearing
blades
rotation
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Application number
EP20205662.8A
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German (de)
French (fr)
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EP3819432C0 (en
EP3819432A1 (en
Inventor
Josef Fliegl Sen.
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Fliegl Agro Center GmbH
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Fliegl Agro Center GmbH
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Publication of EP3819432A1 publication Critical patent/EP3819432A1/en
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Publication of EP3819432B1 publication Critical patent/EP3819432B1/en
Publication of EP3819432C0 publication Critical patent/EP3819432C0/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
    • E01H5/061—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 by scraper blades
    • 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
    • E01H5/065—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 characterised by the form of the snow-plough blade, e.g. flexible, or by snow-plough blade accessories

Definitions

  • the present invention relates to a plow blade for a vehicle.
  • Clearance blades for example for clearing snow or for removing other materials from a surface
  • Clearance blades are known per se.
  • DE202011050562U describes a clearing blade with the features of the preamble of claim 1.
  • the clearing blade according to the invention comprises an interface for attaching the clearing blade to a vehicle.
  • the vehicle can be, for example, a front loader or any other vehicle to which the clearing blade can be attached using the interface.
  • the plow blade can be screwed onto a wide variety of vehicles via the interface or attached in some other way.
  • the clearing blade also includes at least a first shield and a second shield, which are connected to one another via a swivel joint, the axis of rotation of which runs in the vertical direction of the clearing blade.
  • the clearing blade includes an adjusting device for pivoting the blades about the axis of rotation.
  • the adjusting device can, for example, have a hydraulic mechanism, for example in the form of hydraulic cylinders or the like, in order to pivot the signs about the axis of rotation.
  • the clearing blade can also have a corresponding interface via which, for example, hydraulic cylinders can be connected to a hydraulic circuit of a vehicle, so that the adjusting device can be supplied with energy via the vehicle in question to which the clearing blade is currently attached.
  • the clearing blade includes a rubber strip that is attached to the blades and protrudes downwards, the neutral fiber of which runs through the axis of rotation of the swivel joint.
  • the rubber strip forms the lowest area of the plow blade. If the plow blade is used to clear a surface, the plow blade rests with the rubber strip on the surface in question.
  • the signs are in particular made of a rigid material, for example they can be made of steel or another metallic alloy.
  • the rubber strip is designed to be so wide or long that it is arranged below all of the blades of the clearing blade. In particular, it can be provided that the rubber strip extends over the entire width of the clearing blade and thus over the entire width of the blades of the clearing blade.
  • a further possible embodiment of the invention provides that the clearing blade has a third blade.
  • the second shield is arranged centrally between the first shield and the third shield in relation to the transverse direction of the clearing blade.
  • the second shield is connected to the third shield via another swivel joint, the axis of rotation of which runs in the vertical direction of the clearing blade.
  • the rubber strip is attached to all three shields, with the neutral fiber of the rubber strip running through the pivot axes of the two swivel joints.
  • the second shield forms the middle shield, with the first shield forming, for example, a left shield and the third shield forming a right shield.
  • the left and right shields can be folded into the middle shield if necessary.
  • the rubber strip forms the lowest area of the plow blade.
  • the fact that the neutral fiber of the rubber strip runs through the axes of rotation of the two swivel joints results in the positive effect that the rubber strip is not deflected transversely to the respective axes of rotation when the signs are pivoted relative to one another. This in turn results in a completely controlled bending or deformation of the rubber strip when the respective signs are pivoted towards each other. It is therefore not necessary to provide a respective rubber strip for each sign. Instead, it is very simple to provide a single rubber strip for all signs, which bends accordingly following the pivoting movements of the signs.
  • a further possible embodiment of the invention provides that the adjusting device has at least one hydraulic cylinder for pivoting at least one of the signs.
  • a respective hydraulic cylinder can be provided in order to pivot the left or right sign between a folded-in or unfolded position.
  • the rubber strip is attached to the signs in such a way that a relative movement between the rubber strip and the signs is prevented. This means that the rubber strip can be permanently and reliably attached to the signs. The length of the rubber strip always remains the same.
  • the rubber strip is screwed to the signs.
  • a clearing blade 10 is shown in a perspective view Figure 1 shown.
  • the clearing blade 10 includes a middle shield 12, a left shield 14 and a right shield 16.
  • the middle shield 12 is connected to the left shield 14 and the right shield 16 via respective swivel joints 18, 20.
  • the middle shield 12 also includes an interface 22 for attaching the plow blade 10 to a vehicle.
  • the clearing blade 10 can be attached to a front loader via the interface 22.
  • the clearing blade 10 can also be attached to all kinds of other vehicles, with the interface 22 being able to be designed to suit.
  • a continuous rubber strip 26 is arranged below the signs 12, 14, 16 or in a lower area of the signs 12, 14, 16.
  • the rubber strip 26 projects downwards beyond the signs 12, 14, 16, thus forming the lowest area of the clearing blade 10.
  • the rubber strip 26 is connected to the respective signs 12, 14, 16 by means of respective strips 28.
  • the strips 28 can be, for example, flat profiles made of steel or the like.
  • the strips 28 have respective bores 30, although for the sake of clarity not all bores have been provided with reference numbers.
  • the rubber strip 26 has respective holes at corresponding locations, as do the signs 12, 14, 16. For example, screws, bolts or the like can be inserted through these holes 30 in order to secure the rubber strip 26 firmly to the respective signs 12 by means of the bar 28 , 14, 16 to connect.
  • FIG 2 the clearing blade 10 is shown in a top view, once in an overall view and once an area A is shown in detail.
  • area A there is the joint 18, which connects the left shield 14 to the middle shield 12 in an articulated manner.
  • a neutral fiber 36 of the rubber strip 26 is indicated schematically both in the overall view and in the detailed view A.
  • the rubber strip 26 is arranged in relation to the signs 12, 14, 16 and the joints 18, 20 in such a way that the neutral fiber 36 of the rubber strip 26 runs through the respective axes of rotation of the swivel joints 18, 20.
  • the axis of rotation of the swivel joint 18 was provided with the reference number 38 in the detailed view A.
  • FIG 3 a part of the clearing blade 10 is shown in a top view, with an area B being shown enlarged from the same perspective.
  • the neutral fiber 36 also passes through the axis of rotation 40 of the further swivel joint 20 runs.
  • the neutral fiber 36 always remains in the axes of rotation 38, 40 of the swivel joints 18, 20.
  • the rubber strip 26 can thus be firmly connected to the respective shields 12, 14, 16, without that the rubber strip 26 moves transversely to the axes of rotation 38, 40 when the outer shields 14, 16 are pivoted towards the middle shield 12.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joints Allowing Movement (AREA)
  • Diaphragms And Bellows (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Description

Die vorliegende Erfindung betrifft ein Räumschild für ein Fahrzeug.The present invention relates to a plow blade for a vehicle.

Räumschilder, beispielsweise zum Schneeräumen oder zum Beseitigen anderer Materialien von einem Untergrund, sind an sich bekannt. Um verschiedene Arbeitsbreiten realisieren zu können und/oder um bei Nichtgebrauch die Räumschilder in eine schmälere Nichtgebrauchsstellung klappen zu können, ist es auch bekannt, derartige Räumschilder mehrteilig auszugestalten, sodass sie zwischen einer breiteren und engeren Stellung verstellt werden können. Zudem ist es durchaus auch gängig, an derartigen Räumschildern in einem unteren Bereich eine Art Gummileiste vorzusehen, um einen zu räumenden Untergrund sowie das restliche Räumschild zu schonen. DE202011050562U beschreibt ein Räumschild mit den Merkmalen des Oberbegriffs des Anspruchs 1.Clearance blades, for example for clearing snow or for removing other materials from a surface, are known per se. In order to be able to realize different working widths and/or to be able to fold the clearing blades into a narrower non-use position when not in use, it is also known to design such clearing blades in several parts so that they can be adjusted between a wider and narrower position. In addition, it is also quite common to provide a kind of rubber strip in a lower area of such clearing blades in order to protect the surface to be cleared and the rest of the clearing blade. DE202011050562U describes a clearing blade with the features of the preamble of claim 1.

Es ist die Aufgabe der vorliegenden Erfindung, ein Räumschild bereitzustellen, das besonders einfach aufgebaut ist und zudem auf unterschiedliche Arbeitsbreiten eingestellt werden kann.It is the object of the present invention to provide a clearing blade that has a particularly simple structure and can also be adjusted to different working widths.

Diese Aufgabe wird durch ein Räumschild mit den Merkmalen des Anspruchs 1 gelöst. Weitere mögliche Ausgestaltungen der Erfindung sind insbesondere in den abhängigen Ansprüchen angegeben.This task is achieved by a clearing blade with the features of claim 1. Further possible embodiments of the invention are specified in particular in the dependent claims.

Das erfindungsgemäße Räumschild umfasst eine Schnittstelle zum Befestigen des Räumschilds an einem Fahrzeug. Bei dem Fahrzeug kann es sich beispielsweise um einen Frontlader oder auch um beliebige andere Fahrzeuge handeln, an denen das Räumschild unter Vermittlung der Schnittstelle befestigt werden kann. Über die Schnittstelle kann das Räumschild beispielsweise an unterschiedlichsten Fahrzeugen angeschraubt oder auch anderweitig befestigt werden.The clearing blade according to the invention comprises an interface for attaching the clearing blade to a vehicle. The vehicle can be, for example, a front loader or any other vehicle to which the clearing blade can be attached using the interface. For example, the plow blade can be screwed onto a wide variety of vehicles via the interface or attached in some other way.

Das Räumschild umfasst zudem wenigstens ein erstes Schild und ein zweites Schild, die über ein Drehgelenk miteinander verbunden sind, dessen Drehachse in Hochrichtung des Räumschilds verläuft. Durch Verschwenken des ersten Schilds gegenüber dem zweiten Schild und/oder umgekehrt ist es also möglich, unterschiedliche Arbeitsbreiten bei dem Räumschild einzustellen. Zum Beispiel ist es möglich, die Schilder so zueinander zu verschwenken, dass die Schilder zwischen einer Transportstellung und einer Arbeitsstellung verstellt werden können. In der Transportstellung nehmen die Schilder eine geringere Breite ein als in der Arbeitsstellung.The clearing blade also includes at least a first shield and a second shield, which are connected to one another via a swivel joint, the axis of rotation of which runs in the vertical direction of the clearing blade. By pivoting the first blade relative to the second blade and/or vice versa, it is possible to set different working widths for the clearing blade. For example, it is possible to pivot the signs relative to each other so that the signs move between a transport position and a working position can be adjusted. In the transport position, the signs are smaller than in the working position.

Des Weiteren umfasst das Räumschild eine Verstelleinrichtung zum Verschwenken der Schilder um die Drehachse. Die Verstelleinrichtung kann beispielsweise einen hydraulischen Mechanismus, beispielsweise in Form von Hydraulikzylindern oder dergleichen aufweisen, um die Schilder um die Drehachse zu verschwenken. Insbesondere kann das Räumschild auch eine entsprechende Schnittstelle aufweisen, über welche beispielsweise Hydraulikzylinder mit einem hydraulischen Kreislauf eines Fahrzeugs verbunden werden können, sodass die Verstelleinrichtung über das betreffende Fahrzeug, an dem das Räumschild gerade befestigt ist, mit Energie versorgt werden kann.Furthermore, the clearing blade includes an adjusting device for pivoting the blades about the axis of rotation. The adjusting device can, for example, have a hydraulic mechanism, for example in the form of hydraulic cylinders or the like, in order to pivot the signs about the axis of rotation. In particular, the clearing blade can also have a corresponding interface via which, for example, hydraulic cylinders can be connected to a hydraulic circuit of a vehicle, so that the adjusting device can be supplied with energy via the vehicle in question to which the clearing blade is currently attached.

Des Weiteren umfasst das Räumschild eine an den Schildern befestigte und diese nach unten überragende Gummileiste, deren neutrale Faser durch die Drehachse des Drehgelenks verläuft. Die Gummileiste bildet also den untersten Bereich des Räumschilds. Wird das Räumschild zum Räumen eines Untergrunds verwendet, so liegt das Räumschild also mit der Gummileiste auf dem betreffenden Untergrund auf. Die Schilder sind insbesondere aus einem starren Material hergestellt, können beispielsweise aus einem Stahl oder auch einer anderen metallischen Legierung hergestellt sein. In Querrichtung des Räumschilds ist die Gummileiste so breit bzw. so lang ausgebildet, dass sie unterhalb von allen Schildern des Räumschilds angeordnet ist. Insbesondere kann es vorgesehen sein, dass sich die Gummileiste über die gesamte Breite des Räumschilds und somit über die gesamte Breite der Schilder des Räumschilds erstreckt.Furthermore, the clearing blade includes a rubber strip that is attached to the blades and protrudes downwards, the neutral fiber of which runs through the axis of rotation of the swivel joint. The rubber strip forms the lowest area of the plow blade. If the plow blade is used to clear a surface, the plow blade rests with the rubber strip on the surface in question. The signs are in particular made of a rigid material, for example they can be made of steel or another metallic alloy. In the transverse direction of the clearing blade, the rubber strip is designed to be so wide or long that it is arranged below all of the blades of the clearing blade. In particular, it can be provided that the rubber strip extends over the entire width of the clearing blade and thus over the entire width of the blades of the clearing blade.

Dadurch, dass die neutrale Faser der Gummileiste durch die Drehachse des Drehgelenks verläuft, kann die Gummileiste mitsamt den Schildern besonders einfach verschwenkt werden. Insbesondere im Bereich des Drehgelenks und somit auch im Bereich der Drehachse weicht die Gummileiste beim Verschwenken der Schilder kaum oder gar nicht quer zur Drehachse aus. Denn durch die besagte Anordnung der neutralen Faser der Gummileiste in der Drehachse, also dem Drehmittelpunkt des Drehgelenks, wird die Gummileiste beim Verschwenken der Schilder zueinander kaum oder gar nicht quer zur Drehachse ausgelenkt.Because the neutral fiber of the rubber strip runs through the axis of rotation of the swivel joint, the rubber strip and the signs can be pivoted particularly easily. Particularly in the area of the swivel joint and thus also in the area of the axis of rotation, the rubber strip hardly or not at all deviates transversely to the axis of rotation when the signs are pivoted. Because of the said arrangement of the neutral fiber of the rubber strip in the axis of rotation, i.e. the center of rotation of the swivel joint, the rubber strip is hardly or not at all deflected transversely to the axis of rotation when the signs are pivoted relative to one another.

So ist es möglich, die Schilder zueinander zu verschwenken und dabei gleichzeitig auch die Gummileiste entsprechend zu verbiegen, und zwar ohne, dass die Gummileiste in unerwünschter Weise, insbesondere quer zur Drehachse, im Bereich der Drehachse und des Drehgelenks verschoben wird. Zwar werden in Dickenrichtung die äußeren Bereiche der Gummileiste gestaucht bzw. gelängt, wenn die Schilder zueinander verschwenkt werden, durch die Anordnung der neutralen Faser der Gummileiste in Drehpunkt bzw. in der Drehachse des Drehgelenks können dennoch unerwünschte Verformungen der Gummileiste unterbunden werden. Bei dem erfindungsgemäßen Räumschild ist es also möglich, die wenigstens zwei Schilder auf besonders einfache Weise zueinander zu verschwenken, wobei die Gummileiste, der Verschwenkbewegung folgend, sich verbiegt, und zwar ohne, dass die Gummileiste im Bereich des Drehgelenks bzw. der Drehachse quer zur Drehachse ausgelenkt wird. Es muss also nur eine einzige durchgängige Gummileiste vorgesehen werden, statt je Schild eine separate Gummileiste vorzusehen.This makes it possible to pivot the signs towards each other and at the same time bend the rubber strip accordingly, without the rubber strip falling into place undesirably, in particular transversely to the axis of rotation, in the area of the axis of rotation and the swivel joint. Although the outer areas of the rubber strip are compressed or elongated in the direction of thickness when the signs are pivoted towards one another, the arrangement of the neutral fiber of the rubber strip at the pivot point or in the axis of rotation of the swivel joint can still prevent undesirable deformations of the rubber strip. With the clearing blade according to the invention, it is therefore possible to pivot the at least two blades relative to one another in a particularly simple manner, with the rubber strip bending following the pivoting movement, without the rubber strip in the area of the swivel joint or the axis of rotation transverse to the axis of rotation is deflected. So only a single continuous rubber strip needs to be provided instead of providing a separate rubber strip for each sign.

Eine weitere mögliche Ausgestaltung der Erfindung sieht vor, dass das Räumschild ein drittes Schild aufweist. Das zweite Schild ist, bezogen auf die Querrichtung des Räumschilds, mittig zwischen dem ersten Schild und dem dritten Schild angeordnet. Das zweite Schild ist über ein weiteres Drehgelenk mit dem dritten Schild verbunden, dessen Drehachse in Hochrichtung des Räumschilds verläuft. Die Gummileiste ist an allen drei Schildern befestigt, wobei die neutrale Faser der Gummileiste durch die Drehachsen der beiden Drehgelenke verläuft. Mit anderen Worten bildet das zweite Schild also das mittlere Schild, wobei das erste Schild beispielsweise ein linkes Schild bildet und das dritte Schild ein rechtes Schild bildet. Das linke und das rechte Schild können bei Bedarf an das mittlere Schild herangeklappt werden. Bei Bedarf ist auch möglich, das erste Schild und das dritte Schild soweit auszuklappen, dass sämtliche drei Schilder in Querrichtung fluchtend zueinander angeordnet sind, wobei in dieser Stellung die maximale Breite des Räumschilds eingenommen wird. Auch in diesem Fall bildet die Gummileiste den untersten Bereich des Räumschilds. Dadurch, dass die neutrale Faser der Gummileiste durch die Drehachsen der beiden Drehgelenke verläuft, ergibt sich wiederum der positive Effekt, dass die Gummileiste beim Verschwenken der Schilder zueinander nicht quer zu den jeweiligen Drehachsen ausgelenkt wird. Dadurch ergibt sich wiederum eine ganz kontrollierte Verbiegung bzw. Verformung der Gummileiste, wenn die jeweiligen Schilder zueinander verschwenkt werden. Es ist also nicht erforderlich, je Schild eine jeweilige Gummileiste vorzusehen. Stattdessen ist es auf ganz einfache Weise möglich, für alle Schilder die einzige Gummileiste vorzusehen, welche sich, den Schwenkbewegungen der Schilder folgend, entsprechend verbiegt.A further possible embodiment of the invention provides that the clearing blade has a third blade. The second shield is arranged centrally between the first shield and the third shield in relation to the transverse direction of the clearing blade. The second shield is connected to the third shield via another swivel joint, the axis of rotation of which runs in the vertical direction of the clearing blade. The rubber strip is attached to all three shields, with the neutral fiber of the rubber strip running through the pivot axes of the two swivel joints. In other words, the second shield forms the middle shield, with the first shield forming, for example, a left shield and the third shield forming a right shield. The left and right shields can be folded into the middle shield if necessary. If necessary, it is also possible to fold out the first shield and the third shield so that all three shields are arranged in alignment with one another in the transverse direction, with the maximum width of the clearing blade being assumed in this position. In this case too, the rubber strip forms the lowest area of the plow blade. The fact that the neutral fiber of the rubber strip runs through the axes of rotation of the two swivel joints results in the positive effect that the rubber strip is not deflected transversely to the respective axes of rotation when the signs are pivoted relative to one another. This in turn results in a completely controlled bending or deformation of the rubber strip when the respective signs are pivoted towards each other. It is therefore not necessary to provide a respective rubber strip for each sign. Instead, it is very simple to provide a single rubber strip for all signs, which bends accordingly following the pivoting movements of the signs.

Eine weitere mögliche Ausführungsform der Erfindung sieht vor, dass die Verstelleinrichtung zumindest einen Hydraulikzylinder zum Verschwenken von zumindest einem der Schilder aufweist. Im Falle der drei Schilder kann beispielsweise ein jeweiliger Hydraulikzylinder vorgesehen sein, um das linke bzw. das rechte Schild zwischen einer herangeklappten oder ausgeklappten Stellung zu verschwenken.A further possible embodiment of the invention provides that the adjusting device has at least one hydraulic cylinder for pivoting at least one of the signs. In the case of the three signs, for example, a respective hydraulic cylinder can be provided in order to pivot the left or right sign between a folded-in or unfolded position.

In weiterer möglicher Ausgestaltung der Erfindung ist es vorgesehen, dass die Gummileiste so an den Schildern befestigt ist, dass eine Relativbewegung zwischen der Gummileiste und den Schildern unterbunden wird. Dadurch kann die Gummileiste dauerhaft zuverlässig und fest an den Schildern befestigt sein. Die Länge der Gummileiste bleibt dadurch immer gleich.In a further possible embodiment of the invention, it is provided that the rubber strip is attached to the signs in such a way that a relative movement between the rubber strip and the signs is prevented. This means that the rubber strip can be permanently and reliably attached to the signs. The length of the rubber strip always remains the same.

Gemäß einer weiteren möglichen Ausführungsform der Erfindung ist es vorgesehen, dass die Gummileiste mit den Schildern verschraubt ist. Insbesondere kann es vorgesehen sein, dass weder in der Gummileiste noch in den Schildern Langlöcher vorgesehen sind. Stattdessen kann es vorgesehen sein, dass lediglich runde Bohrungen vorgesehen sind, sodass die Gummileiste spielfrei mit den Schildern verschraubt ist. Auch beim Verschwenken der Schilder zueinander ergibt sich also keine translatorische Relativbewegung der Gummileiste zu den Schildern.According to a further possible embodiment of the invention, it is provided that the rubber strip is screwed to the signs. In particular, it can be provided that there are no elongated holes in either the rubber strip or the signs. Instead, it can be provided that only round holes are provided so that the rubber strip is screwed to the signs without play. Even when the signs are pivoted relative to one another, there is no translational relative movement of the rubber strip to the signs.

Eine weitere mögliche Ausführungsform der Erfindung sieht vor, dass die Gummileiste unter Vermittlung jeweiliger starrer Leisten mit den Schildern verbunden ist. Bei den starren Leisten kann es sich beispielsweise um Flachprofile handeln, die z. B. aus Stahl hergestellt sind. Andere starre Materialien sind ebenfalls möglich. Durch Verwendung der starren Leisten kann die Gummileiste besonders zuverlässig und dauerhaft haltbar mit den Schildern verbunden werden. Die starren Leisten können beispielsweise mit mehreren Bohrungen versehen sein, ebenso die Gummileiste und die jeweiligen Schilder. Durch die Bohrungen können beispielsweise Schrauben eingesetzt werden, um die Gummileiste unter Vermittlung der starren Leisten mit den Schildern zu verbinden.Another possible embodiment of the invention provides that the rubber strip is connected to the signs using respective rigid strips. The rigid strips can be, for example, flat profiles, which, for. B. are made of steel. Other rigid materials are also possible. By using the rigid strips, the rubber strip can be connected to the signs particularly reliably and permanently. The rigid strips can, for example, be provided with several holes, as can the rubber strip and the respective signs. For example, screws can be inserted through the holes to connect the rubber strip to the signs via the rigid strips.

Schließlich sieht eine weitere mögliche Ausgestaltung der Erfindung vor, dass das Drehgelenk und/oder das weitere Drehgelenk durch jeweilige an den Schildern befestigte Röhren gebildet ist, die durch jeweilige Verbindungsbolzen miteinander verbunden sind. Dadurch ergeben sich besonders stabile Drehgelenke, sodass die Schilder dauerhaft haltbar miteinander verbunden bleiben können.Finally, a further possible embodiment of the invention provides that the swivel joint and/or the further swivel joint is formed by respective tubes attached to the signs, which are connected to one another by respective connecting bolts. This results in particularly stable swivel joints so that the signs can remain permanently connected to each other.

Die Zeichnung zeigt in:

Fig. 1
eine Perspektivansicht eines Räumschilds, das ein mittleres Schild sowie ein linkes und ein rechtes Schild aufweist, die relativ zum mittleren Schild verschwenkt werden können;
Fig. 2
eine Draufsicht auf das Räumschild, wobei zudem ein Bereich rund um ein Drehgelenk vergrößert dargestellt ist, welches das linke und das mittlere Schild miteinander verbindet;
Fig. 3
eine weitere Draufsicht auf das Räumschild, wobei ein weiteres Drehgelenk in einer Detailansicht gezeigt ist, welches das mittlere Schild mit dem rechten Schild verbindet.
The drawing shows in:
Fig. 1
a perspective view of a plow blade having a center blade and left and right blades that are pivotable relative to the center blade;
Fig. 2
a top view of the plow blade, with an area around a swivel joint also shown enlarged, which connects the left and middle blades to one another;
Fig. 3
another top view of the clearing blade, with another swivel joint shown in a detailed view, which connects the middle blade to the right blade.

In den Figuren sind gleiche oder funktionsgleiche Elemente mit den gleichen Bezugszeichen versehen.In the figures, identical or functionally identical elements are provided with the same reference numerals.

Ein Räumschild 10 ist in einer Perspektivansicht in Figur 1 gezeigt. Das Räumschild 10 umfasst ein mittleres Schild 12, ein linkes Schild 14 und ein rechtes Schild 16. Das mittlere Schild 12 ist über jeweilige Drehgelenke 18, 20 mit dem linken Schild 14 bzw. dem rechten Schild 16 verbunden. Das mittlere Schild 12 umfasst zudem eine Schnittstelle 22 zum Befestigen des Räumschilds 10 an einem Fahrzeug. So kann das Räumschild 10 beispielsweise über die Schnittstelle 22 an einem Frontlader befestigt werden. Das Räumschild 10 kann auch an allen möglichen anderen Fahrzeugen befestigt werden, wobei die Schnittstelle 22 entsprechend passend ausgebildet sein kann.A clearing blade 10 is shown in a perspective view Figure 1 shown. The clearing blade 10 includes a middle shield 12, a left shield 14 and a right shield 16. The middle shield 12 is connected to the left shield 14 and the right shield 16 via respective swivel joints 18, 20. The middle shield 12 also includes an interface 22 for attaching the plow blade 10 to a vehicle. For example, the clearing blade 10 can be attached to a front loader via the interface 22. The clearing blade 10 can also be attached to all kinds of other vehicles, with the interface 22 being able to be designed to suit.

Jeweilige hier nicht näher gekennzeichnete Drehachsen der Drehgelenke 18, 20 verlaufen in Hochrichtung des Räumschilds 10. Mittels jeweiliger Hydraulikzylinder 24 können das linke Schild 14 und das rechte Schild 16 herangeklappt und ausgeklappt werden. So ist es beispielsweise möglich, durch entsprechende Betätigung der Hydraulikzylinder 24 die beiden äußeren Schilder 14, 16 so zu verschwenken, dass diese in Querrichtung mit dem mittleren Schild 12 fluchten, sodass die maximal mögliche Arbeitsbreite eingenommen wird. Durch entsprechende Betätigung der Hydraulikzylinder 24 ist es auch möglich, die beiden äußeren Schilder 14, 16 so heranzuklappen, dass sie beispielsweise in einem 90°-Winkel oder auch in einem noch spitzeren Winkel angeklappt sind.Respective axes of rotation of the swivel joints 18, 20, not marked here, run in the vertical direction of the clearing blade 10. By means of respective hydraulic cylinders 24, the left blade 14 and the right blade 16 can be folded in and out. For example, it is possible to pivot the two outer shields 14, 16 by appropriately actuating the hydraulic cylinders 24 so that they are aligned in the transverse direction with the middle shield 12, so that the maximum possible working width is achieved. By appropriately actuating the hydraulic cylinders 24, it is also possible to fold the two outer shields 14, 16 so that they are folded, for example, at a 90 ° angle or even at an even more acute angle.

Unterhalb von den Schildern 12, 14, 16 bzw. in einem unteren Bereich der Schilder 12, 14, 16 ist eine durchgängige Gummileiste 26 angeordnet. Die Gummileiste 26 überragt die Schilder 12, 14, 16 nach unten, bildet also den untersten Bereich des Räumschilds 10. Die Gummileiste 26 ist unter Vermittlung von jeweiligen Leisten 28 mit den jeweiligen Schildern 12, 14, 16 verbunden. Bei den Leisten 28 kann es sich beispielsweise um Flachprofile aus Stahl oder dergleichen handeln. Die Leisten 28 weisen jeweilige Bohrungen 30 auf, wobei der Übersichtlichkeit halber nicht alle Bohrungen mit Bezugszeichen versehen worden sind. Ebenso weist die Gummileiste 26 an entsprechenden Stellen jeweilige Bohrungen auf, genauso die Schilder 12, 14, 16. Durch diese Bohrungen 30 können beispielsweise Schrauben, Bolzen oder dergleichen eingeführt sein, um und Vermittlung der Leiste 28 die Gummileiste 26 fest mit den jeweiligen Schildern 12, 14, 16 zu verbinden.A continuous rubber strip 26 is arranged below the signs 12, 14, 16 or in a lower area of the signs 12, 14, 16. The rubber strip 26 projects downwards beyond the signs 12, 14, 16, thus forming the lowest area of the clearing blade 10. The rubber strip 26 is connected to the respective signs 12, 14, 16 by means of respective strips 28. The strips 28 can be, for example, flat profiles made of steel or the like. The strips 28 have respective bores 30, although for the sake of clarity not all bores have been provided with reference numbers. Likewise, the rubber strip 26 has respective holes at corresponding locations, as do the signs 12, 14, 16. For example, screws, bolts or the like can be inserted through these holes 30 in order to secure the rubber strip 26 firmly to the respective signs 12 by means of the bar 28 , 14, 16 to connect.

Die Drehgelenke 18, 20 werden durch jeweilige an den Schildern 12, 14, 16 befestigte Röhren 32 gebildet, die durch jeweilige Verbindungsbolzen 34 miteinander verbunden sind. Die Röhren 32 fluchten in Hochrichtung, wobei beispielsweise die jeweils oberen und unteren Röhren 32 an den äußeren Schildern 14, 16 befestigt sein können, wobei die jeweils mittleren Röhren 32 an dem mittleren Schild 12 befestigt sein können. Anderen Variationen sind natürlich ebenfalls möglich.The swivel joints 18, 20 are formed by respective tubes 32 attached to the shields 12, 14, 16, which are connected to one another by respective connecting bolts 34. The tubes 32 are aligned in the vertical direction, for example the upper and lower tubes 32 can be attached to the outer shields 14, 16, the middle tubes 32 can be attached to the middle shield 12. Other variations are of course also possible.

In Figur 2 ist das Räumschild 10 in einer Draufsicht gezeigt, einmal in einer Gesamtansicht und einmal wird ein Bereich A detailliert dargestellt. In dem Bereich A befindet sich das Gelenk 18, welches das linke Schild 14 gelenkig mit dem mittleren Schild 12 verbindet. Sowohl in der Gesamtansicht als auch in der Detailansicht A ist eine neutrale Faser 36 der Gummileiste 26 schematisch angedeutet. Die Gummileiste 26 ist so zu den Schildern 12, 14, 16 und zu den Gelenken 18, 20 angeordnet, dass die neutrale Faser 36 der Gummileiste 26 durch die jeweiligen Drehachsen der Drehgelenke 18, 20 verläuft. Vorliegend wurde die Drehachse des Drehgelenks 18 in der Detailansicht A mit dem Bezugszeichen 38 versehen.In Figure 2 the clearing blade 10 is shown in a top view, once in an overall view and once an area A is shown in detail. In area A there is the joint 18, which connects the left shield 14 to the middle shield 12 in an articulated manner. A neutral fiber 36 of the rubber strip 26 is indicated schematically both in the overall view and in the detailed view A. The rubber strip 26 is arranged in relation to the signs 12, 14, 16 and the joints 18, 20 in such a way that the neutral fiber 36 of the rubber strip 26 runs through the respective axes of rotation of the swivel joints 18, 20. In the present case, the axis of rotation of the swivel joint 18 was provided with the reference number 38 in the detailed view A.

In Figur 3 ist ein Teil des Räumschilds 10 in einer Draufsicht gezeigt, wobei ein Bereich B aus derselben Perspektive vergrößert dargestellt ist. In dem Bereich B befindet sich das andere Drehgelenk 20, welches das mittlere Schild 12 und das rechte Schild 16 gelenkig miteinander verbindet. In der vergrößerten Ansicht von Bereich B ist nochmals gut erkennen, wie die neutrale Faser 36 auch durch die Drehachse 40 des weiteren Drehgelenks 20 verläuft. Unabhängig von der Schwenkstellung des linken und rechten Schilds 14, 16 verbleibt also die neutrale Faser 36 immer in den Drehachsen 38, 40 der Drehgelenke 18, 20. Die Gummileiste 26 kann somit fest mit den jeweiligen Schildern 12, 14, 16 verbunden sein, ohne dass die Gummileiste 26 quer zu den Drehachsen 38, 40 ausweicht, wenn die äußeren Schilder 14, 16 zum mittleren Schild 12 verschwenkt werden.In Figure 3 a part of the clearing blade 10 is shown in a top view, with an area B being shown enlarged from the same perspective. The other swivel joint 20, which connects the middle shield 12 and the right shield 16 to one another in an articulated manner, is located in the area B. In the enlarged view of area B it can be clearly seen again how the neutral fiber 36 also passes through the axis of rotation 40 of the further swivel joint 20 runs. Regardless of the pivoting position of the left and right shields 14, 16, the neutral fiber 36 always remains in the axes of rotation 38, 40 of the swivel joints 18, 20. The rubber strip 26 can thus be firmly connected to the respective shields 12, 14, 16, without that the rubber strip 26 moves transversely to the axes of rotation 38, 40 when the outer shields 14, 16 are pivoted towards the middle shield 12.

BEZUGSZEICHENLISTEREFERENCE SYMBOL LIST

1010
Räumschildplow blade
1212
Mittleres SchildMedium shield
1414
Linkes SchildLeft sign
1616
Rechtes SchildRight sign
1818
DrehgelenkSwivel joint
2020
DrehgelenkSwivel joint
2222
Schnittstelleinterface
2424
HydraulikzylinderHydraulic cylinder
2626
GummileisteRubber strip
2828
LeistenAfford
3030
Bohrungendrilling
3232
Röhrentubes
3434
Verbindungsbolzenconnecting bolt
3636
Neutrale Faser der GummileisteNeutral fiber of the rubber strip
3838
DrehachseAxis of rotation
4040
DrehachseAxis of rotation

Claims (7)

  1. Clearing blade (10), comprising
    - an interface (22) for attaching the clearing blade (10) to a vehicle;
    - at least a first blade (14, 16) and a second blade (12), which are connected to one another via a swivel joint (18, 20), the axis of rotation (38, 40) of which extends in upward direction of the clearing blade (10);
    - an adjusting apparatus for pivoting the blades (12, 14, 16) about the axis of rotation;
    - a rubber strip (26) attached to the blades (12, 14, 16) and projecting downwards therefrom, characterised in that the neutral fiber (36) of the rubber strip (26) passes through the axis of rotation (38, 40) of the swivel joint (18, 20).
  2. Clearing blade (10) according to claim 1,
    characterised in that
    - the clearing blade (10) has a third blade (16);
    - the second blade (12) is arranged centrally between the first blade (14) and the third blade (16) in relation to the transverse direction of the clearing blade (10),
    - the second blade (12) is connected to the third blade (16) via a further swivel joint (20), the axis of rotation (40) of which extends in upward direction of the clearing blade (10);
    - the rubber strip (26) is attached to all three blades (12, 14, 16), wherein the neutral fiber (36) of the rubber strip (26) passes through the axes of rotation (38, 40) of the two swivel joints (18, 20).
  3. Clearing blade (10) according to claim 1 or 2,
    characterised in that
    the adjusting apparatus has at least one hydraulic cylinder (24) for pivoting at least one of the blades (12, 14, 16).
  4. Clearing blade (10) according to any one of the preceding claims,
    characterised in that
    the rubber strip (26) is attached to the blades (12, 14, 16) in such a way that a relative movement between the rubber strip (26) and the blades (12, 14, 16) is prevented.
  5. Clearing blade (10) according to any one of the preceding claims,
    characterised in that
    the rubber strip (26) is screwed to the blades (12, 14, 16).
  6. Clearing blade (10) according to any one of the preceding claims,
    characterised in that
    the rubber strip (26) is connected to the blades (12, 14, 16) by means of respective rigid strips (28).
  7. Clearing blade (10) according to any one of the preceding claims,
    characterised in that
    the swivel joint (18) and/or the further swivel joint (20) is formed by respective tubes (32) fixed to the blades (12, 14, 16) which tubes are connected to one another by respective connecting bolts (34).
EP20205662.8A 2019-11-06 2020-11-04 Clearing blade Active EP3819432B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019129981.0A DE102019129981A1 (en) 2019-11-06 2019-11-06 SPACE SHIELD

Publications (3)

Publication Number Publication Date
EP3819432A1 EP3819432A1 (en) 2021-05-12
EP3819432B1 true EP3819432B1 (en) 2023-09-20
EP3819432C0 EP3819432C0 (en) 2023-09-20

Family

ID=73059715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20205662.8A Active EP3819432B1 (en) 2019-11-06 2020-11-04 Clearing blade

Country Status (3)

Country Link
EP (1) EP3819432B1 (en)
DE (1) DE102019129981A1 (en)
HU (1) HUE064266T2 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1880751U (en) * 1963-02-12 1963-10-17 Carlheinz Bruening ROOM SIGN FOR SNOW CLEARERS.
US3413738A (en) * 1966-04-11 1968-12-03 L B Sales Co Rubber blade for plow
IT1256963B (en) * 1992-10-08 1995-12-27 Giandomenico Pelazza "BLADE DEVICE FOR CLEANING ROADS AND SIMILAR".
US7841109B2 (en) * 2008-06-17 2010-11-30 Sno-Way International, Inc. Plow including independently moveable wings
DE202011050562U1 (en) * 2011-06-27 2011-11-02 Fiedler Maschinenbau Und Technikvertrieb Gmbh Veiling blade with scraper
AT516272B1 (en) * 2015-04-20 2016-04-15 Hauer Franz snow plow

Also Published As

Publication number Publication date
HUE064266T2 (en) 2024-02-28
DE102019129981A1 (en) 2021-05-06
EP3819432C0 (en) 2023-09-20
EP3819432A1 (en) 2021-05-12

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