EP2961890B1 - Snowplough blade with kerb deflector and method for connecting a kerb deflector to a snowplough blade - Google Patents

Snowplough blade with kerb deflector and method for connecting a kerb deflector to a snowplough blade Download PDF

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Publication number
EP2961890B1
EP2961890B1 EP13821462.2A EP13821462A EP2961890B1 EP 2961890 B1 EP2961890 B1 EP 2961890B1 EP 13821462 A EP13821462 A EP 13821462A EP 2961890 B1 EP2961890 B1 EP 2961890B1
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EP
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Prior art keywords
snowplough
screw
deflector
kerb
clearing strip
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German (de)
French (fr)
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EP2961890A1 (en
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Roland KÜPER
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Kueper GmbH and Co KG
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Kueper GmbH and Co KG
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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
    • E01H5/065—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
    • E01H5/066—Snow-plough blade accessories, e.g. deflector plates, skid shoes

Definitions

  • the invention relates to a Schneepflughoffmmann with at least one interchangeable Curb Abrasion, which is constructed as a composite body of rubber and steel layers and has a screw for attaching a replaceable Randsteinabweisers, said screw for receiving a screw holes in the curb and the Schneepflughoffmmann and one with the Thread of the screw has cooperating separate threaded body,
  • this invention relates to a scraper for the snow blade of a snow plow, which is provided above with a steel mounting neck for attachment to the plow blade.
  • the invention provides that a Randsteinabweiser is disposed at least on one side edge of the scraper.
  • the curb deflector which consists for example of wear-resistant cast steel, and the scraper are bolted together by a screw and a nut attached thereto.
  • the schematic structure of a snow removal strip is in the DE 87 07 182 U1 disclosed.
  • This scraper has a front in the direction of travel steel plate and a second rearward in the direction of travel steel plate, between which a layer of rubber-elastic material is arranged.
  • the screw connections for fixing the curb deflectors have the advantage that they allow easy and quick installation of the curb deflectors on snow plow spoilers.
  • a screw is passed through the bore of a curb deflector and further through the bore of the existing as a composite body of rubber and steel layers Schneepflughoffmark. At the exposed end of the screw inserted through a nut is screwed.
  • a screw is passed through the bore of a curb deflector and further through the bore of the existing as a composite body of rubber and steel layers Schneepflug syndrome.
  • the exposed end of the screw inserted through a nut is screwed.
  • the screw connections have the disadvantage that the screw shaft is exposed to an elastic abutment due to the moving and working, rubber-elastic material of the snow plow spacers. This leads to collisions of the curb deflector to an enormous load on the screw shaft. In addition, the risk increases that the threads are torn out of the nuts.
  • the invention proposes a Schneepflug Hurmometer of the aforementioned type, in which the threaded body is designed as insertable into the bore of the Schneepflug Hurmance body which is supported on the closest to the screw head steel layer of the Schneepflug Hurmance on which the Randsteinabweiser is supported.
  • the rubber-elastic material surrounds the threaded body over the length of the bore and has no influence on the screw connection.
  • a longer thread can be used, which extends over the entire length of the bore.
  • the longer thread within the bore reduces the possibility of tearing out the thread.
  • the protected construction additionally reduces the risk of damage to the screw elements.
  • a further embodiment of the invention is that the Randsteinabweiser associated with its support on the nearest to the screw head steel layer supporting elements, which are supported directly on the nearest to the screw head steel layer. This is preferably used when there is a further rubber layer between the edge deflector and the steel layer closest to the screw head. The purpose of this extension is to obtain an inelastic connection in which metal is always supported against metal.
  • a development of this feature is characterized in that the support elements are integrally connected to the curb deflector. This is conceivable by the support elements are cast in the curb deflector. Thus, the assembly is easier to perform by the centering and the entire structure has a tighter grip.
  • a particularly preferred embodiment of the invention provides that the threaded body is a sleeve. This ensures a uniform distribution of the load on the threaded body, since the thread is longer than, for example, in a conventional nut. As a result, the threads are not torn out under normal conditions. This significantly reduces the risk of failure of the curb deflector.
  • the threaded body has a cut along its lateral surface. This section forms a recess which extends axially on the jacket to the shaft axis. This design prevents twisting of the threaded body while the screw is screwed becomes. The assembly is thus much easier to carry out, since the body is positively secured. Consequently, only the screw is to be turned.
  • the screw diameter is smaller than the bore diameter of the screw head closest to the steel layer of the Schneepflughoffmark, and these two diameters are smaller than the threaded body diameter.
  • the threaded body has a collar which extends beyond the part to be supported and is embedded in the steel layer closest to the screw head. In addition to the above cut this collar is another tool for easy and quick installation.
  • An alternative embodiment is that a plug can be inserted into the bore of the snow plow spoiler. If you do not use a curb deflector, you can protect the holes in the curb deflector and the snow plow scraper bar with a plug. This prevents the holes from becoming dirty or clogged and thus becoming unusable.
  • the threaded body has a corrosion-resistant material.
  • Snow is often sprinkled with salt to clear the streets.
  • these salts can damage or corrode the threaded bodies unless they are protected. This is fulfilled by the corrosion-resistant material.
  • a usability of the screw is excluded by chemical instability.
  • FIG. 1 shows a sectional view of a screw for attaching an interchangeable curb deflector 1 on a snow plow spoiler 2 as a schematic diagram of the invention.
  • the curb deflector 1 which is fastened by means of the screw connection to the snow plow spoiler 2.
  • a screw 31 extends from a bore of the curb deflector 1 through a bore of the steel layer 221 closest to the screw plug 311 of the snow plow cleaning bar 2 through a threaded bore of a threaded body 32.
  • the Schneepflughoffmark 2 is surrounded by two steel layers (221, 222) and has a rubber layer 21 therebetween.
  • the threaded body 32 is located in the bore of the snow plow broaching 2 and is supported exclusively on the nearest to the screw head 311 steel layer 221 of the snow plow spoiler 2.
  • the threaded body 32 has a collar which is inserted into the bore of the steel layer 221 closest to the screw head 311 of the snow plow spoiler strip 2.
  • the rubber layer 21 has, according to the teaching of the invention, no influence on the transfer of forces from the curb deflector 1 by the screw 31 to the threaded body 32 up to the screw head 311 closest to the steel layer 221 of the snow plow spoiler. 2
  • FIG. 2 corresponds to the screw connection FIG. 1 according to the teaching of the invention, however, shows only a representation of the outer contours of the threaded body 32, the Schneepflughoffmmann 2 and the Randsteinabweisers 1. Die FIG. 2 serves as perspective representation for easier understanding.
  • FIG. 3 shows a sectional view of a FIG. 1 Alternative screw for attaching an interchangeable curb deflector 1 on a Schneepflughoffmark 2 as a schematic diagram of the invention.
  • the curb deflector 1 which is fastened with a support member 33 by means of the screw connection to the snow plow spoiler 2.
  • a screw 31 extends from a bore of the curb deflector 1 with support element 33 through a bore of the closest to the screw trench 311 Steel layer 221 of the snow plowing strip 2 up through a threaded barrel of a threaded body 32nd
  • FIGS. 1 to 3 shows the screw head 311 respectively in the direction of travel of the snow plow spoiler. 2

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Description

Die Erfindung betrifft eine Schneepflugräumleiste mit mindestens einem auswechselbaren Randsteinabweiser, die als Verbundkörper aus Gummi- und Stahlschichten aufgebaut ist und eine Schraubverbindung zur Befestigung eines auswechselbaren Randsteinabweisers aufweist, wobei diese Schraubverbindung zur Aufnahme einer Schraube dienende Bohrungen in dem Randsteinabweiser und der Schneepflugräumleiste sowie einen mit dem Gewinde der Schraube zusammenwirkenden separaten Gewindekörper aufweist,The invention relates to a Schneepflugräumleiste with at least one interchangeable Curb Abrasion, which is constructed as a composite body of rubber and steel layers and has a screw for attaching a replaceable Randsteinabweisers, said screw for receiving a screw holes in the curb and the Schneepflugräumleiste and one with the Thread of the screw has cooperating separate threaded body,

Schneepflugräumleisten der genannten Art sind beispielsweise aus der internationalen Veröffentlichung WO 2011/054444 A1 bekannt. Prinzipiell betrifft diese Erfindung eine Räumleiste für den Räumschild eines Schneepfluges, die oben mit einem stählernen Befestigungshals zur Befestigung am Räumschild versehen ist. Zudem sieht die Erfindung vor, dass zumindest an einem Seitenrand der Räumleiste ein Randsteinabweiser angeordnet ist. Der Randsteinabweiser, der beispielsweise aus verschleißfestem Stahlguss besteht, und die Räumleiste sind durch eine Schraube und eine daran angebrachte Mutter miteinander verschraubt.Schneepflugräumleisten of the type mentioned are for example from the international publication WO 2011/054444 A1 known. In principle, this invention relates to a scraper for the snow blade of a snow plow, which is provided above with a steel mounting neck for attachment to the plow blade. In addition, the invention provides that a Randsteinabweiser is disposed at least on one side edge of the scraper. The curb deflector, which consists for example of wear-resistant cast steel, and the scraper are bolted together by a screw and a nut attached thereto.

Der schematische Aufbau einer Schneeräumleiste ist in der DE 87 07 182 U1 offenbart. Diese Räumleiste hat eine in Fahrtrichtung vorne liegende Stahlplatte und eine zweite in Fahrtrichtung hinten liegende Stahlplatte, zwischen denen eine Schicht aus gummielastischem Material angeordnet ist.The schematic structure of a snow removal strip is in the DE 87 07 182 U1 disclosed. This scraper has a front in the direction of travel steel plate and a second rearward in the direction of travel steel plate, between which a layer of rubber-elastic material is arranged.

Die Schraubverbindungen zur Befestigung der Randsteinabweiser haben den Vorteil, dass sie eine leichte und schnelle Montage der Randsteinabweiser an Schneepflugräumleisten ermöglichen. Zur Montage wird eine Schraube durch die Bohrung eines Randsteinabweisers und weiter durch die Bohrung der als Verbundkörper aus Gummi- und Stahlschichten bestehenden Schneepflugräumleiste durchgesteckt. An das freiliegende Ende der durchgesteckten Schraube wird eine Mutter angeschraubt. Mithin ist bei Beschädigung des Randsteinabweisers ein leichter Austausch möglich.The screw connections for fixing the curb deflectors have the advantage that they allow easy and quick installation of the curb deflectors on snow plow spoilers. For installation, a screw is passed through the bore of a curb deflector and further through the bore of the existing as a composite body of rubber and steel layers Schneepflugräumleiste. At the exposed end of the screw inserted through a nut is screwed. Thus, in case of damage of the curb deflector easy replacement is possible.

Die Schraubverbindungen haben jedoch den Nachteil, dass der Schraubenschaft aufgrund des sich bewegenden und arbeitenden, gummielastischen Materials der Schneepflugräumleiste einem elastischen Widerlager ausgesetzt ist. Dies führt bei Stößen des Randsteinabweisers zu einer enormen Belastung des Schraubenschaftes. Zudem erhöht sich das Risiko, dass die Gewinde aus den Muttern herausgerissen werden.However, the screw connections have the disadvantage that the screw shaft is exposed to an elastic abutment due to the moving and working, rubber-elastic material of the snow plow spacers. This leads to collisions of the curb deflector to an enormous load on the screw shaft. In addition, the risk increases that the threads are torn out of the nuts.

Es ist somit Aufgabe der Erfindung, eine Schraubverbindung zu entwickeln, die den Randsteinabweiser mit der Schneepflugräumleiste besser festspannt und somit ungünstige Belastungen auf den Schraubenschaft reduziert und ein Herausreißen des Gewindes verhindert.It is therefore an object of the invention to develop a screw that clamps the curb stone with the snow plow trim strip better and thus reduces unfavorable loads on the screw shaft and prevents tearing out of the thread.

Zur Lösung dieser Aufgabe schlägt die Erfindung eine Schneepflugräumleiste der eingangs genannten Art vor, bei der der Gewindekörper als in die Bohrung der Schneepflugräumleiste einsetzbarer Körper ausgebildet ist, der an die zum Schraubenkopf nächstliegende Stahlschicht der Schneepflugräumleiste abgestützt ist, an welcher auch der Randsteinabweiser abgestützt ist.To solve this problem, the invention proposes a Schneepflugräumleiste of the aforementioned type, in which the threaded body is designed as insertable into the bore of the Schneepflugräumleiste body which is supported on the closest to the screw head steel layer of the Schneepflugräumleiste on which the Randsteinabweiser is supported.

Da der Gewindekörper in die Bohrung der Schneepflugräumleiste eingesetzt ist und an der zum Schraubenkopf nächstliegenden Stahlschicht der Schneepflugräumleiste abgestützt ist, ist eine reibschlüssige Verbindung des Randsteinabweisers mit der Schneepflugräumleiste gesichert, ohne dass die Schraubverbindung elastischen Einflüssen aus dem gummielastischen Material ausgesetzt ist.Since the threaded body is inserted into the bore of the Schneepflugräumleiste and is supported on the nearest screw head steel layer of Schneepflugräumleiste, a frictional connection of the curb with the Schneepflugräumleiste is secured without the screw is subjected to elastic influences from the rubber-elastic material.

Das gummielastische Material umgibt den Gewindekörper über die Länge der Bohrung und hat keinen Einfluss auf die Schraubverbindung. Zudem ist ein längeres Gewinde einsetzbar, das sich über die gesamte Länge der Bohrung erstreckt. Das längere Gewinde innerhalb der Bohrung reduziert die Möglichkeit des Herausreißens des Gewindes. Bei dieser Lösung ist es nicht notwendig, dass der Gewindekörper oder der Schraubenschaft über Außenfläche der Schneepflugräumleiste hinausragen. Durch die geschützte Konstruktion ist zusätzlich das Schädigungsrisiko der Schraubelemente reduziert.The rubber-elastic material surrounds the threaded body over the length of the bore and has no influence on the screw connection. In addition, a longer thread can be used, which extends over the entire length of the bore. The longer thread within the bore reduces the possibility of tearing out the thread. In this solution, it is not necessary that the threaded body or the screw shank protrude beyond the outer surface of the Schneepflugräumleiste. The protected construction additionally reduces the risk of damage to the screw elements.

Eine weitere Gestaltung der Erfindung besteht darin, dass dem Randsteinabweiser zu seiner Abstützung an der zum Schraubenkopf nächstliegenden Stahlschicht Stützelemente zugeordnet sind, die sich unmittelbar an der zum Schraubenkopf nächstliegenden Stahlschicht abstützen. Dies wird vorzugsweise genutzt, wenn zwischen dem Randabweiser und der zum Schraubenkopf nächstliegenden Stahlschicht eine weitere Gummischicht besteht. Zweck dieser Erweiterung ist es, eine unelastische Verbindung zu erhalten, bei der sich stets Metall gegen Metall abstützt.A further embodiment of the invention is that the Randsteinabweiser associated with its support on the nearest to the screw head steel layer supporting elements, which are supported directly on the nearest to the screw head steel layer. This is preferably used when there is a further rubber layer between the edge deflector and the steel layer closest to the screw head. The purpose of this extension is to obtain an inelastic connection in which metal is always supported against metal.

Eine Weiterbildung dieses Merkmals ist dadurch gekennzeichnet, dass die Stützelemente einstückig mit dem Randsteinabweiser verbunden sind. Dies ist denkbar, indem die Stützelemente in den Randsteinabweiser eingegossen sind. Mithin ist die Montage durch die Zentrierung leichter auszuführen und die gesamte Konstruktion weist einen festeren Halt auf.A development of this feature is characterized in that the support elements are integrally connected to the curb deflector. This is conceivable by the support elements are cast in the curb deflector. Thus, the assembly is easier to perform by the centering and the entire structure has a tighter grip.

Eine besonders bevorzugte Ausführungsform der Erfindung sieht vor, dass der Gewindekörper eine Hülse ist. Dies gewährleistet eine gleichmäßige Verteilung der Belastung auf den Gewindekörper, da das Gewinde länger ist als zum Beispiel bei einer üblichen Schraubenmutter. Daraus resultiert, dass die Gewinde unter normalen Bedingungen nicht herauszureißen sind. Damit wird das Ausfallrisiko des Randsteinabweisers deutlich reduziert.A particularly preferred embodiment of the invention provides that the threaded body is a sleeve. This ensures a uniform distribution of the load on the threaded body, since the thread is longer than, for example, in a conventional nut. As a result, the threads are not torn out under normal conditions. This significantly reduces the risk of failure of the curb deflector.

Es hat sich als vorteilhaft erwiesen, wenn der Gewindekörper entlang seiner Mantelfläche einen Schnitt aufweist. Dieser Schnitt bildet eine Aussparung, die axial am Mantel zur Wellenachse verläuft. Diese konstruktive Maßnahme verhindert ein Tordieren des Gewindekörpers, während die Schraube eingedreht wird. Die Montage ist somit bedeutend leichter durchzuführen, da der Körper formschlüssig gesichert ist. Folglich ist nur die Schraube zu drehen.It has proved to be advantageous if the threaded body has a cut along its lateral surface. This section forms a recess which extends axially on the jacket to the shaft axis. This design prevents twisting of the threaded body while the screw is screwed becomes. The assembly is thus much easier to carry out, since the body is positively secured. Consequently, only the screw is to be turned.

Weiterhin ist vorgesehen, dass der Schraubendurchmesser kleiner als der Bohrungsdurchmesser der zum Schraubenkopf nächstliegenden Stahlschicht der Schneepflugräumleiste ist, und diese beiden Durchmesser kleiner als der Gewindekörperdurchmesser sind. Dieses Ausführungsbeispiel erlaubt eine möglichst einfache und schnelle Fertigung der Schraubverbindung nach Lehre der Erfindung. Zudem weist der Gewindekörper einen Kragen auf, der über den abzustützenden Teil hinausgeht und in die zum Schraubenkopf nächstliegende Stahlschicht eingelassen ist. Neben dem vorgenannten Schnitt ist dieser Kragen ein weiteres Hilfsmittel zur leichten und schnellen Montage.Furthermore, it is provided that the screw diameter is smaller than the bore diameter of the screw head closest to the steel layer of the Schneepflugräumleiste, and these two diameters are smaller than the threaded body diameter. This embodiment allows the simplest and quickest possible manufacture of the screw according to the teaching of the invention. In addition, the threaded body has a collar which extends beyond the part to be supported and is embedded in the steel layer closest to the screw head. In addition to the above cut this collar is another tool for easy and quick installation.

Eine alternative Ausführungsform besteht darin, dass in die Bohrung der Schneepflugräumleiste ein Stopfen einsetzbar ist. Wird somit vom Einsatz eines Randsteinabweisers abgesehen, lassen sich die Bohrungen im Randsteinabweiser und der Schneepflugräumleiste durch einen Stopfen schützen. Dies verhindert, dass die Bohrungen verschmutzen oder verstopfen und somit unbrauchbar werden.An alternative embodiment is that a plug can be inserted into the bore of the snow plow spoiler. If you do not use a curb deflector, you can protect the holes in the curb deflector and the snow plow scraper bar with a plug. This prevents the holes from becoming dirty or clogged and thus becoming unusable.

Um den Einsatz der Schraubverbindung möglichst lange zu gewährleisten, weist der Gewindekörper einen korrosionsbeständigen Werkstoff auf. Schnee wird häufig mit Salz bestreut, um die Straßen frei zu bekommen. Diese Salze können jedoch die Gewindekörper beschädigen bzw. korrodieren lassen, sofern diese nicht dagegen geschützt sind. Dies wird durch den korrosionsbeständigen Werkstoff erfüllt. Somit wird eine Unbrauchbarkeit der Schraubverbindung durch chemische Unbeständigkeit ausgeschlossen.To ensure the use of the screw as long as possible, the threaded body has a corrosion-resistant material. Snow is often sprinkled with salt to clear the streets. However, these salts can damage or corrode the threaded bodies unless they are protected. This is fulfilled by the corrosion-resistant material. Thus, a usability of the screw is excluded by chemical instability.

Schließlich sieht die Erfindung ein Verfahren vor zum lösbaren Verbinden mit einer Schraubverbindung zur Befestigung eines auswechselbaren Randsteinabweisers an einer Schneepflugräumleiste, die als Verbundkörper aus Gummi- und Stahlschichten aufgebaut ist, wobei diese Schraubverbindung zur Aufnahme einer Schraube dienende Bohrungen in dem Randsteinabweiser und der Schneepflugräumleiste sowie einen mit dem Gewinde der Schraube zusammenwirkenden separaten Gewindekörper aufweist. Kennzeichnend für dieses Verfahren ist:

  • dass der Gewindekörper in die Bohrung der Schneepflugräumleiste eingesetzt wird,
  • dass der Randsteinabweiser an die Schneepflugräumleiste gelegt wird, wobei sich die Bohrungen decken,
  • dass die Schraube seitens des Randsteinabweisers durch die Bohrungen mit dem Gewindekörper derart verschraubt wird, dass anschließend die zum Schraubenkopf nächstliegende Stahlschicht der Schneepflugräumleiste zwischen dem Schraubenkopf und dem Gewindekörper eingespannt ist.
Finally, the invention provides a method for releasably connecting with a screw connection for attaching a replaceable Curb Repellent on a Schneepflugräumleiste, which is constructed as a composite of rubber and steel layers, said screw for receiving a screw holes in the curb and the Schneepflugräumleiste and a with the thread of the screw having cooperating separate threaded body. Characteristic of this method is:
  • that the threaded body is inserted into the bore of the snow plow spoiler,
  • that the curb deflector is placed on the snow plow spoiler, covering the holes,
  • in that the screw is screwed on the part of the curb block by the holes with the threaded body in such a way that subsequently the steel layer closest to the screw head of the snow plow space between the screw head and the threaded body is clamped.

Dieses Verfahren garantiert, dass ausschließlich die zum Schraubenkopf nächstliegende Stahlschicht der Schneepflugräumleiste mit der Schraubenverbindung eingespannt wird. Der Ausschluss der Gummischichten bedeutet eine definierte Belastung der Schraubverbindung und somit eine möglichst hohe Einsatzdauer.This procedure guarantees that only the steel layer closest to the screw head of the snow plow spacers is clamped with the screw connection. The exclusion of the rubber layers means a defined load on the screw connection and thus the highest possible service life.

Ein Ausführungsbeispiel der Erfindung wird im Folgenden anhand der Zeichnungen näher erläutert. Es zeigen:

Fig. 1:
Schnittdarstellung einer Schraubverbindung zur Befestigung des auswechselbaren Randsteinabweisers an der Schneepflugräumleiste;
Fig. 2:
perspektivische Ansicht der Komponenten Gewindekörper, Schneepflugräumleiste und Randsteinabweiser;
Fig. 3:
Schnittdarstellung einer zur Figur 1 alternativen Schraubverbindung zur Befestigung des auswechselbaren Randsteinabweisers an der Schneepflugräumleiste.
An embodiment of the invention will be explained in more detail below with reference to the drawings. Show it:
Fig. 1:
Sectional view of a screw connection for attaching the replaceable curb deflector on the snow plow spoiler rail;
Fig. 2:
perspective view of the components of threaded body, snow plow spoiler and curb deflector;
3:
Sectional view of a FIG. 1 Alternative screw connection for attaching the replaceable curb deflector to the snow plow spoiler.

Figur 1 zeigt eine Schnittdarstellung einer Schraubverbindung zur Befestigung eines auswechselbaren Randsteinabweisers 1 an einer Schneepflugräumleiste 2 als Prinzipskizze nach Lehre der Erfindung. Zu erkennen ist der Randsteinabweiser 1, der mittels der Schraubverbindung an der Schneepflugräumleiste 2 befestigt ist. Dabei reicht eine Schraube 31 von einer Bohrung des Randsteinabweisers 1 durch eine Bohrung der an die zum Schraubenkropf 311 nächstliegenden Stahlschicht 221 der Schneepflugräumleiste 2 bis hin durch einen Gewindelauf eines Gewindekörpers 32. FIG. 1 shows a sectional view of a screw for attaching an interchangeable curb deflector 1 on a snow plow spoiler 2 as a schematic diagram of the invention. Evident is the curb deflector 1, which is fastened by means of the screw connection to the snow plow spoiler 2. In this case, a screw 31 extends from a bore of the curb deflector 1 through a bore of the steel layer 221 closest to the screw plug 311 of the snow plow cleaning bar 2 through a threaded bore of a threaded body 32.

Die Schneepflugräumleiste 2 ist von zwei Stahlschichten (221, 222) umgeben ist und weist dazwischen eine Gummischicht 21 auf. Der Gewindekörper 32 befindet sich in der Bohrung der Schneepflugräumleiste 2 und ist ausschließlich auf der zum Schraubenkopf 311 nächstliegenden Stahlschicht 221 der Schneepflugräumleiste 2 abgestützt. Um den Gewindekörper 32 besser zu zentrieren und den Gewindelauf zu verlängern, weist der Gewindekörper 32 einen Kragen auf, der in die Bohrung der an die zum Schraubenkopf 311 nächstliegenden Stahlschicht 221 der Schneepflugräumleiste 2 eingesetzt ist. Die Gummischicht 21 hat nach Lehre der Erfindung keinen Einfluss auf die Überleitung der Kräfte vom Randsteinabweiser 1 durch die Schraube 31 auf den Gewindekörper 32 bis hin zu der zum Schraubenkopf 311 nächstliegenden Stahlschicht 221 der Schneepflugräumleiste 2.The Schneepflugräumleiste 2 is surrounded by two steel layers (221, 222) and has a rubber layer 21 therebetween. The threaded body 32 is located in the bore of the snow plow broaching 2 and is supported exclusively on the nearest to the screw head 311 steel layer 221 of the snow plow spoiler 2. In order to center the threaded body 32 better and to extend the thread run, the threaded body 32 has a collar which is inserted into the bore of the steel layer 221 closest to the screw head 311 of the snow plow spoiler strip 2. The rubber layer 21 has, according to the teaching of the invention, no influence on the transfer of forces from the curb deflector 1 by the screw 31 to the threaded body 32 up to the screw head 311 closest to the steel layer 221 of the snow plow spoiler. 2

Die Figur 2 entspricht der Schraubverbindung aus Figur 1 nach Lehre der Erfindung, zeigt jedoch nur eine Darstellung der äußeren Konturen des Gewindekörpers 32, der Schneepflugräumleiste 2 und des Randsteinabweisers 1. Die Figur 2 dient als perspektivische Darstellung dem leichteren Verständnis.The FIG. 2 corresponds to the screw connection FIG. 1 according to the teaching of the invention, however, shows only a representation of the outer contours of the threaded body 32, the Schneepflugräumleiste 2 and the Randsteinabweisers 1. Die FIG. 2 serves as perspective representation for easier understanding.

Figur 3 zeigt eine Schnittdarstellung einer zur Figur 1 alternativen Schraubverbindung zur Befestigung eines auswechselbaren Randsteinabweisers 1 an einer Schneepflugräumleiste 2 als Prinzipskizze nach Lehre der Erfindung. Zu erkennen ist der Randsteinabweiser 1, der mit einem Stützelement 33 mittels der Schraubverbindung an die Schneepflugräumleiste 2 befestigt ist. Dabei reicht eine Schraube 31 von einer Bohrung des Randsteinabweisers 1 mit Stützelement 33 durch eine Bohrung der an die zum Schraubenkropf 311 nächstliegenden Stahlschicht 221 der Schneepflugräumleiste 2 bis hin durch einen Gewindelauf eines Gewindekörpers 32. FIG. 3 shows a sectional view of a FIG. 1 Alternative screw for attaching an interchangeable curb deflector 1 on a Schneepflugräumleiste 2 as a schematic diagram of the invention. Evident is the curb deflector 1, which is fastened with a support member 33 by means of the screw connection to the snow plow spoiler 2. In this case, a screw 31 extends from a bore of the curb deflector 1 with support element 33 through a bore of the closest to the screw trench 311 Steel layer 221 of the snow plowing strip 2 up through a threaded barrel of a threaded body 32nd

Bei den Figuren 1 bis 3 zeigt der Schraubenkopf 311 jeweils in Fahrtrichtung der Schneepflugräumleiste 2.Both FIGS. 1 to 3 shows the screw head 311 respectively in the direction of travel of the snow plow spoiler. 2

Claims (9)

  1. Snowplough clearing strip (2) having at least one interchangeable kerb deflector (1), wherein the snowplough clearing strip (2) is constructed as a composite body consisting of a rubber layer (21) and steel layers (221, 222) and has a screw connection for fastening the interchangeable kerb deflector (1), wherein this screw connection has bores, which serve for receiving a screw (31), in the kerb deflector (1) and the snowplough clearing strip (2), the screw (31) and a separate threaded body (32) interacting with the thread of the screw (31), characterized in that the threaded body (32) is designed as a body which can be inserted into the bore of the snowplough clearing strip (2) and which is supported on the steel layer (221) of the snowplough clearing strip (2) that is closest to the screw head (311), on which steel layer the kerb deflector (1) is also supported.
  2. Snowplough clearing strip (2) according to Claim 1, characterized in that, in order to support the kerb deflector (1) on the steel layer (211) closest to the screw head (311), said kerb deflector is assigned support elements (33) which are supported directly on the steel layer (211) closest to the screw head (311).
  3. Snowplough clearing strip (2) according to Claim 2, characterized in that the supporting elements (33) are connected in one piece to the kerb deflector (1).
  4. Snowplough clearing strip (2) according to one of the preceding claims, characterized in that the threaded body (32) is a sleeve.
  5. Snowplough clearing strip (2) according to one of the preceding claims, characterized in that the threaded body (32) has a cut along its lateral surface.
  6. Snowplough clearing strip (2) according to one of the preceding claims, characterized in that the screw diameter is smaller than the bore diameter of the steel layer of the snowplough clearing strip that is closest to the screw head, and these two diameters are smaller than the threaded body diameter.
  7. Snowplough clearing strip (2) according to one of the preceding claims, characterized in that a plug can be inserted into the bore of the snowplough clearing strip (2).
  8. Snowplough clearing strip (2) according to one of the preceding claims, characterized in that the threaded body (32) comprises a corrosion-resistant material.
  9. Method for detachable connection using a screw connection for fastening an interchangeable kerb deflector (1) to a snowplough clearing strip (2) which is constructed as a composite body consisting of a rubber layer (21) and steel layers (221, 222), wherein this screw connection has bores, which serve for receiving a screw (31), in the kerb deflector (1) and the snowplough clearing strip (2), and a separate threaded body (32) interacting with the thread of the screw (31), characterized
    - in that the threaded body (32) is inserted into the bore of the snowplough clearing strip (2),
    - in that the kerb deflector (1) is placed onto the snowplough clearing strip (2), the bores coinciding in the process,
    - in that the screw (31) is screwed, from the kerb deflector (1) side, through the bores, with the threaded body (32) in such a way that, subsequently, the steel layer (221) of the snowplough clearing strip (2) that is closest to the screw head (311) is clamped between the screw head (311) and the threaded body (32) .
EP13821462.2A 2012-12-21 2013-12-18 Snowplough blade with kerb deflector and method for connecting a kerb deflector to a snowplough blade Active EP2961890B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012025114.9A DE102012025114A1 (en) 2012-12-21 2012-12-21 Screw connection for curb deflector
PCT/EP2013/077021 WO2014095955A1 (en) 2012-12-21 2013-12-18 Screw connection for kerb deflectors

Publications (2)

Publication Number Publication Date
EP2961890A1 EP2961890A1 (en) 2016-01-06
EP2961890B1 true EP2961890B1 (en) 2017-08-23

Family

ID=49958416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13821462.2A Active EP2961890B1 (en) 2012-12-21 2013-12-18 Snowplough blade with kerb deflector and method for connecting a kerb deflector to a snowplough blade

Country Status (4)

Country Link
EP (1) EP2961890B1 (en)
DE (1) DE102012025114A1 (en)
ES (1) ES2648973T3 (en)
WO (1) WO2014095955A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014006274B4 (en) 2014-05-02 2016-05-25 Küper Gmbh & Co. Kg Curb deflector for the plow blade of a snow plow
DE102015117001A1 (en) * 2015-10-06 2017-04-06 Küper Gmbh & Co. Kg Wear protection arrangement for the snow blade of a snow plow

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8707182U1 (en) 1987-05-19 1987-08-06 Gummi-Küper GmbH & Co KG, 4630 Bochum Replaceable snow clearing bar
US4899472A (en) * 1988-02-11 1990-02-13 Winter Kent L Snow plow guards comprising pliant polymer
US5636458A (en) * 1995-12-11 1997-06-10 Drake; Roy S. Curb shoe for plow blade
DE102009051750A1 (en) 2009-11-03 2011-05-05 Küper GmbH & Co.KG BUMPERS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2961890A1 (en) 2016-01-06
WO2014095955A1 (en) 2014-06-26
DE102012025114A1 (en) 2014-06-26
ES2648973T3 (en) 2018-01-09

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