EP3819432A1 - Clearing blade - Google Patents

Clearing blade Download PDF

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Publication number
EP3819432A1
EP3819432A1 EP20205662.8A EP20205662A EP3819432A1 EP 3819432 A1 EP3819432 A1 EP 3819432A1 EP 20205662 A EP20205662 A EP 20205662A EP 3819432 A1 EP3819432 A1 EP 3819432A1
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EP
European Patent Office
Prior art keywords
rubber strip
blade
shield
signs
rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20205662.8A
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German (de)
French (fr)
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EP3819432C0 (en
EP3819432B1 (en
Inventor
Josef Fliegl Sen.
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.)
Fliegl Agro Center GmbH
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Fliegl Agro Center GmbH
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Publication date
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Publication of EP3819432A1 publication Critical patent/EP3819432A1/en
Application granted granted Critical
Publication of EP3819432C0 publication Critical patent/EP3819432C0/en
Publication of EP3819432B1 publication Critical patent/EP3819432B1/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 clearing blade for a vehicle.
  • Plow blades for example for clearing snow or removing other materials from a subsurface
  • Plow blades are known per se.
  • 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 by means of the interface.
  • the clearing blade can, for example, be screwed or otherwise fastened to a wide variety of vehicles via the interface.
  • the clearing blade also comprises at least a first blade and a second blade, 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 comprises an adjustment device for pivoting the blades about the axis of rotation.
  • the adjustment 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 adjustment device can be supplied with energy via the relevant vehicle to which the clearing blade is currently attached.
  • the clearing blade comprises a rubber strip which is fastened to the shields and protrudes downwards, the neutral fiber of which runs through the axis of rotation of the swivel joint.
  • the rubber strip thus forms the lowest area of the clearing blade. If the clearing blade is used to clear a subsurface, the clearing blade with the rubber strip rests on the relevant subsurface.
  • the signs are made in particular from a rigid material, for example they can be made from steel or another metallic alloy.
  • the rubber strip In the transverse direction of the clearing blade, the rubber strip is so wide or so long that it is arranged below all 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.
  • the rubber strip together with the signs can be pivoted particularly easily.
  • the rubber strip hardly or not at all deviates transversely to the axis of rotation when the signs are pivoted.
  • the rubber strip is hardly or not at all deflected transversely to the axis of rotation when the signs are pivoted to one another.
  • the clearing blade 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, the rubber strip, following the pivoting movement, bending without the rubber strip in the area of the swivel joint or the axis of rotation being transverse to the axis of rotation is deflected. It is therefore only necessary to provide a single continuous rubber strip instead of providing a separate rubber strip for each sign.
  • 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 shield.
  • the second shield is connected to the third shield via a further swivel joint, the axis of rotation of which runs in the vertical direction of the clearing shield.
  • the rubber strip is attached to all three signs, with the neutral fiber of the rubber strip running through the axes of rotation of the two swivel joints.
  • the second shield thus forms the middle shield, the first shield forming a left shield, for example, and the third shield forming a right shield.
  • the left and right shields can be folded up to the middle shield if necessary.
  • the adjusting device has at least one hydraulic cylinder for pivoting at least one of the signs.
  • a respective hydraulic cylinder can be provided, for example, 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.
  • 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.
  • elongated holes are not provided either in the rubber strip or in the signs.
  • only round bores 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 movement of the rubber strip relative to the signs.
  • the rubber strip is connected to the signs by means of respective rigid strips.
  • the rigid strips can be, for example, flat profiles that, for. B. are made of steel. Other rigid materials are also possible.
  • the rubber strip can be connected to the signs in a particularly reliable and durable manner.
  • 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 bores to connect the rubber strip to the signs with the intermediary of the rigid strips.
  • a further possible embodiment of the invention provides that the swivel joint and / or the further swivel joint is formed by respective tubes which are fastened to the signs and 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 one another.
  • a clearing blade 10 is shown in perspective view in FIG Figure 1 shown.
  • the clearing blade 10 comprises a middle blade 12, a left blade 14 and a right blade 16.
  • the middle blade 12 is connected to the left blade 14 and the right blade 16 via respective pivot joints 18, 20.
  • the middle shield 12 also includes an interface 22 for attaching the clearing shield 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 possible other vehicles, the interface 22 being suitably designed accordingly.
  • the respective axes of rotation of the swivel joints 18, 20, which are not identified in greater detail here, run in the vertical direction of the clearing blade 10.
  • the left blade 14 and the right blade 16 can be folded in and out.
  • a continuous rubber strip 26 is arranged below the signs 12, 14, 16 or in a lower region of the signs 12, 14, 16.
  • the rubber strip 26 projects over the signs 12, 14, 16 downwards, thus forms the lowermost area of the clearing blade 10.
  • the rubber strip 26 is connected to the respective signs 12, 14, 16 through the intermediary 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 not all bores have been provided with reference symbols for the sake of clarity.
  • the rubber strip 26 has respective bores at corresponding points, as do the signs 12, 14, 16. Through these bores 30, for example, screws, bolts or the like can be inserted around and through the strip 28, the rubber strip 26 fixed to the respective signs 12 , 14, 16 to connect.
  • the swivel joints 18, 20 are formed by respective tubes 32 which are fastened to the shields 12, 14, 16 and which are connected to one another by respective connecting bolts 34.
  • the tubes 32 are aligned in the vertical direction, wherein, for example, the respective upper and lower tubes 32 can be fastened to the outer shields 14, 16, wherein the respective central tubes 32 can be fastened to the central shield 12.
  • Other variations are of course also possible.
  • FIG 2 the clearing blade 10 is shown in a plan view, once in an overall view and once an area A is shown in detail.
  • a neutral fiber 36 of the rubber strip 26 is indicated schematically.
  • the rubber strip 26 is arranged in relation to the shields 12, 14, 16 and to the joints 18, 20 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 in the detailed view A has been provided with the reference symbol 38.
  • FIG 3 a part of the clearing blade 10 is shown in a plan view, with a region B being shown enlarged from the same perspective.
  • the area B is the other swivel joint 20, which connects the middle shield 12 and the right shield 16 to one another in an articulated manner.
  • 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 deviates transversely to the axes of rotation 38, 40 when the outer shields 14, 16 are pivoted to the central shield 12.

Landscapes

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

Abstract

Die Erfindung betrifft ein Räumschild (10), umfassend eine Schnittstelle (22) zum Befestigen des Räumschilds (10) an einem Fahrzeug; wenigstens ein erstes Schild (14, 16) und ein zweites Schild (12), die über ein Drehgelenk (18, 20) miteinander verbunden sind, dessen Drehachse (38, 40) in Hochrichtung des Räumschilds (10) verläuft; eine Verstelleinrichtung zum Verschwenken der Schilder (12, 14, 16) um die Drehachse; eine an den Schildern (12, 14, 16) befestigte und diese nach unten überragende Gummileiste (26), deren neutrale Faser (36) durch die Drehachse (38, 40) des Drehgelenks (18, 20) verläuft.The invention relates to a clearing blade (10), comprising an interface (22) for fastening the clearing blade (10) to a vehicle; at least one first shield (14, 16) and a second shield (12) which are connected to one another via a rotary joint (18, 20) whose axis of rotation (38, 40) runs in the vertical direction of the plow blade (10); an adjusting device for pivoting the signs (12, 14, 16) about the axis of rotation; a rubber strip (26) which is fastened to the shields (12, 14, 16) and protrudes downwards and whose neutral axis (36) runs through the axis of rotation (38, 40) of the swivel joint (18, 20).

Description

Die vorliegende Erfindung betrifft ein Räumschild für ein Fahrzeug.The present invention relates to a clearing 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.Plow blades, for example for clearing snow or removing other materials from a subsurface, 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 type of rubber strip in a lower area on such clearing blades in order to protect the ground to be cleared and the rest of the clearing blade.

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 which is particularly simple in construction and can also be set 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 object is achieved by a clearing blade with the features of claim 1. Further possible embodiments of the invention are given 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 by means of the interface. The clearing blade can, for example, be screwed or otherwise fastened to a wide variety of vehicles via the interface.

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 comprises at least a first blade and a second blade, 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 shield relative to the second shield and / or vice versa, it is therefore possible to set different working widths for the clearing blade. For example, it is possible to pivot the signs relative to one another in such a way that the signs are between a transport position and a working position can be adjusted. In the transport position, the signs take up a smaller width 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 comprises an adjustment device for pivoting the blades about the axis of rotation. The adjustment 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 adjustment device can be supplied with energy via the relevant vehicle 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 comprises a rubber strip which is fastened to the shields and protrudes downwards, the neutral fiber of which runs through the axis of rotation of the swivel joint. The rubber strip thus forms the lowest area of the clearing blade. If the clearing blade is used to clear a subsurface, the clearing blade with the rubber strip rests on the relevant subsurface. The signs are made in particular from a rigid material, for example they can be made from steel or another metallic alloy. In the transverse direction of the clearing blade, the rubber strip is so wide or so long that it is arranged below all 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 together with the signs can be pivoted particularly easily. In particular 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 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 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.So it is possible to pivot the signs towards each other and at the same time to bend the rubber strip accordingly, without the rubber strip in is shifted 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 each other, the arrangement of the neutral fiber of the rubber strip in the pivot point or in the axis of rotation of the swivel joint can nevertheless 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, the rubber strip, following the pivoting movement, bending without the rubber strip in the area of the swivel joint or the axis of rotation being transverse to the axis of rotation is deflected. It is therefore only necessary to provide a single continuous rubber strip 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.Another 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 shield. The second shield is connected to the third shield via a further swivel joint, the axis of rotation of which runs in the vertical direction of the clearing shield. The rubber strip is attached to all three signs, with the neutral fiber of the rubber strip running through the axes of rotation of the two swivel joints. In other words, the second shield thus forms the middle shield, the first shield forming a left shield, for example, and the third shield forming a right shield. The left and right shields can be folded up to the middle shield if necessary. If necessary, it is also possible to unfold the first shield and the third shield so far that all three shields are arranged in the transverse direction in alignment with one another, the maximum width of the clearing shield being assumed in this position. In this case, too, the rubber strip forms the lowest area of the clearing blade. Because the neutral fiber of the rubber strip runs through the axes of rotation of the two swivel joints, there is in turn the positive effect that the rubber strip is not deflected transversely to the respective axes of rotation when the signs are pivoted to one another. This in turn results in a very controlled bending or deformation of the rubber strip when the respective signs are pivoted relative to one another. It is therefore not necessary to provide a respective rubber strip for each sign. Instead, it is possible in a very simple way to provide the single rubber strip for all signs, which, following the pivoting movements of the signs, bends accordingly.

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.Another 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, a respective hydraulic cylinder can be provided, for example, 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. As a result, 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 elongated holes are not provided either in the rubber strip or in the signs. Instead, it can be provided that only round bores 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 movement of the rubber strip relative 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 by means of respective rigid strips. The rigid strips can be, for example, flat profiles that, 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 in a particularly reliable and durable manner. 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 bores to connect the rubber strip to the signs with the intermediary of 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 which are fastened to the signs and 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 one another.

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 clearing blade having a middle blade and left and right blades which can be pivoted relative to the middle blade;
Fig. 2
a plan view of the clearing blade, with an area around a swivel joint is also shown enlarged, which connects the left and the middle blade to one another;
Fig. 3
a further top view of the clearing blade, with a further swivel joint being 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.Identical or functionally identical elements are provided with the same reference symbols in the figures.

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 perspective view in FIG Figure 1 shown. The clearing blade 10 comprises a middle blade 12, a left blade 14 and a right blade 16. The middle blade 12 is connected to the left blade 14 and the right blade 16 via respective pivot joints 18, 20. The middle shield 12 also includes an interface 22 for attaching the clearing shield 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 possible other vehicles, the interface 22 being suitably designed accordingly.

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.The respective axes of rotation of the swivel joints 18, 20, which are not identified in greater detail 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, by appropriate actuation of the hydraulic cylinders 24, to pivot the two outer plates 14, 16 in such a way that they are aligned in the transverse direction with the middle plate 12 so that the maximum possible working width is assumed. By appropriately actuating the hydraulic cylinders 24, it is also possible to fold the two outer plates 14, 16 in such a way that they are folded in, 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 region of the signs 12, 14, 16. The rubber strip 26 projects over the signs 12, 14, 16 downwards, thus forms the lowermost area of the clearing blade 10. The rubber strip 26 is connected to the respective signs 12, 14, 16 through the intermediary 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 not all bores have been provided with reference symbols for the sake of clarity. Likewise, the rubber strip 26 has respective bores at corresponding points, as do the signs 12, 14, 16. Through these bores 30, for example, screws, bolts or the like can be inserted around and through the strip 28, the rubber strip 26 fixed to the respective signs 12 , 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 which are fastened to the shields 12, 14, 16 and which are connected to one another by respective connecting bolts 34. The tubes 32 are aligned in the vertical direction, wherein, for example, the respective upper and lower tubes 32 can be fastened to the outer shields 14, 16, wherein the respective central tubes 32 can be fastened to the central 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 plan view, once in an overall view and once an area A is shown in detail. The joint 18, which connects the left shield 14 to the middle shield 12 in an articulated manner, is located in the area A. Both in the overall view and in the detailed view A, a neutral fiber 36 of the rubber strip 26 is indicated schematically. The rubber strip 26 is arranged in relation to the shields 12, 14, 16 and to the joints 18, 20 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 in the detailed view A has been provided with the reference symbol 38.

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 plan view, with a region B being shown enlarged from the same perspective. In the area B is the other swivel joint 20, which connects the middle shield 12 and the right shield 16 to one another in an articulated manner. In the enlarged view of area B, it can again be clearly seen how the neutral fiber 36 also passes through the axis of rotation 40 of the further swivel joint 20 runs. Regardless of the pivot 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 deviates transversely to the axes of rotation 38, 40 when the outer shields 14, 16 are pivoted to the central shield 12.

BEZUGSZEICHENLISTEREFERENCE LIST

1010
RäumschildDozer blade
1212th
Mittleres SchildMiddle shield
1414th
Linkes SchildLeft shield
1616
Rechtes SchildRight shield
1818th
DrehgelenkSwivel joint
2020th
DrehgelenkSwivel joint
2222nd
Schnittstelleinterface
2424
HydraulikzylinderHydraulic cylinder
2626th
GummileisteRubber strip
2828
LeistenAfford
3030th
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)

Räumschild (10), umfassend - eine Schnittstelle (22) zum Befestigen des Räumschilds (10) an einem Fahrzeug; - wenigstens ein erstes Schild (14, 16) und ein zweites Schild (12), die über ein Drehgelenk (18, 20) miteinander verbunden sind, dessen Drehachse (38, 40) in Hochrichtung des Räumschilds (10) verläuft; - eine Verstelleinrichtung zum Verschwenken der Schilder (12, 14, 16) um die Drehachse; - eine an den Schildern (12, 14, 16) befestigte und diese nach unten überragende Gummileiste (26), deren neutrale Faser (36) durch die Drehachse (38, 40) des Drehgelenks (18, 20) verläuft. Dozer blade (10), comprising - An interface (22) for attaching the clearing blade (10) to a vehicle; - At least a first shield (14, 16) and a second shield (12) which are connected to one another via a swivel joint (18, 20), the axis of rotation (38, 40) of which extends in the vertical direction of the clearing blade (10); - An adjusting device for pivoting the signs (12, 14, 16) about the axis of rotation; - A rubber strip (26) attached to the shields (12, 14, 16) and protruding downwards, the neutral fiber (36) of which runs through the axis of rotation (38, 40) of the swivel joint (18, 20). Räumschild (10) nach Anspruch 1,
dadurch gekennzeichnet, dass - das Räumschild (10) ein drittes Schild (16) aufweist; - das zweite Schild (12) bezogen auf die Querrichtung des Räumschilds (10) mittig zwischen dem ersten Schild (14) und dem dritten Schild (16) angeordnet ist, - das zweite Schild (12) über ein weiteres Drehgelenk (20) mit dem dritten Schild (16) verbunden ist, dessen Drehachse (40) in Hochrichtung des Räumschilds (10) verläuft; - die Gummileiste (26) an allen drei Schildern (12, 14, 16) befestigt ist, wobei die neutrale Faser (36) der Gummileiste (26) durch die Drehachsen (38, 40) der beiden Drehgelenke (18, 20) verläuft. Dozer blade (10) according to claim 1,
characterized in that - The clearing blade (10) has a third blade (16); - The second shield (12) is arranged centrally between the first shield (14) and the third shield (16) in relation to the transverse direction of the clearing shield (10), - The second shield (12) is connected to the third shield (16) via a further swivel joint (20), the axis of rotation (40) of which extends in the vertical direction of the clearing blade (10); - The rubber strip (26) is attached to all three plates (12, 14, 16), the neutral fiber (36) of the rubber strip (26) running through the axes of rotation (38, 40) of the two swivel joints (18, 20). Räumschild (10) nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass
die Verstelleinrichtung zumindest einen Hydraulikzylinder (24) zum Verschwenken von zumindest einem der Schilder (12, 14, 16) aufweist.Clearing blade (10) according to claim 1 or 2,
characterized in that
the adjusting device has at least one hydraulic cylinder (24) for pivoting at least one of the signs (12, 14, 16). Räumschild (10) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
die Gummileiste (26) so an den Schildern (12, 14, 16) befestigt ist, dass eine Relativbewegung zwischen der Gummileiste (26) und den Schildern (12, 14, 16) unterbunden wird.Dozer blade (10) according to one of the preceding claims,
characterized in that
the rubber strip (26) is attached to the signs (12, 14, 16) in such a way that a relative movement between the rubber strip (26) and the signs (12, 14, 16) is prevented. Räumschild (10) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
die Gummileiste (26) mit den Schildern (12, 14, 16) verschraubt ist.Dozer blade (10) according to one of the preceding claims,
characterized in that
the rubber strip (26) is screwed to the shields (12, 14, 16). Räumschild (10) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
die Gummiliste (26) unter Vermittlung jeweiliger starrer Leisten (28) mit den Schildern (12, 14, 16) verbunden ist.Dozer blade (10) according to one of the preceding claims,
characterized in that
the rubber strip (26) is connected to the signs (12, 14, 16) by means of respective rigid strips (28). Räumschild (10) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass
das Drehgelenk (18) und/oder das weitere Drehgelenk (20) durch jeweilige an den Schildern (12, 14, 16) befestige Röhren (32) gebildet ist, die durch jeweilige Verbindungsbolzen (34) miteinander verbunden sind.Dozer blade (10) according to one of the preceding claims,
characterized in that
the swivel joint (18) and / or the further swivel joint (20) is formed by respective tubes (32) which are fastened to the shields (12, 14, 16) and which 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

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413738A (en) * 1966-04-11 1968-12-03 L B Sales Co Rubber blade for plow
EP0592262A1 (en) * 1992-10-08 1994-04-13 Giandomenico Pelazza Blade/device for cleaning roads and the like
DE202011050562U1 (en) * 2011-06-27 2011-11-02 Fiedler Maschinenbau Und Technikvertrieb Gmbh Veiling blade with scraper

Family Cites Families (3)

* 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.
US7841109B2 (en) * 2008-06-17 2010-11-30 Sno-Way International, Inc. Plow including independently moveable wings
AT516272B1 (en) * 2015-04-20 2016-04-15 Hauer Franz snow plow

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413738A (en) * 1966-04-11 1968-12-03 L B Sales Co Rubber blade for plow
EP0592262A1 (en) * 1992-10-08 1994-04-13 Giandomenico Pelazza Blade/device for cleaning roads and the like
DE202011050562U1 (en) * 2011-06-27 2011-11-02 Fiedler Maschinenbau Und Technikvertrieb Gmbh Veiling blade with scraper

Also Published As

Publication number Publication date
DE102019129981A1 (en) 2021-05-06
EP3819432C0 (en) 2023-09-20
HUE064266T2 (en) 2024-02-28
EP3819432B1 (en) 2023-09-20

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