EP0271645A1 - Snow plough - Google Patents

Snow plough Download PDF

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Publication number
EP0271645A1
EP0271645A1 EP87113446A EP87113446A EP0271645A1 EP 0271645 A1 EP0271645 A1 EP 0271645A1 EP 87113446 A EP87113446 A EP 87113446A EP 87113446 A EP87113446 A EP 87113446A EP 0271645 A1 EP0271645 A1 EP 0271645A1
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EP
European Patent Office
Prior art keywords
ploughshare
link
snow plow
plate
fastened
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.)
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Application number
EP87113446A
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German (de)
French (fr)
Inventor
Johann Jansen
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Ing Alfred Schmidt GmbH
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Ing Alfred Schmidt GmbH
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Filing date
Publication date
Application filed by Ing Alfred Schmidt GmbH filed Critical Ing Alfred Schmidt GmbH
Publication of EP0271645A1 publication Critical patent/EP0271645A1/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
    • E01H5/063—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 snow-plough blades tiltable for shock-absorbing purposes

Definitions

  • the invention relates to a snow plow, the ploughshare is connected by means of at least two handlebars arranged one above the other to a supporting part which can be fastened to a vehicle plate of a work vehicle, and to a device which enables the ploughshare to evade when driving over obstacles.
  • the present invention has for its object to provide an additional alternative for the ploughshare with a link connection between a ploughshare and a support member, which is effective regardless of the respective support structure for the ploughshare.
  • the supporting part on which the ploughshare is suspended can be the device plate to be fastened to the vehicle plate in simple plow constructions; in plows in the manner of the known multi-blade plow, the support member is formed by a support frame; Only this is connected to the device plate via a hydraulically supported further link connection with rigid links.
  • a particularly advantageous embodiment of the invention relates to claims 4 and 5, according to which a telescopic extensibility of the upper link or links is provided.
  • the extension of the upper handlebar (s) can be done in a simple manner using a suitable locking device.
  • Claims 6 and 7 are switched off.
  • the ploughshare can be rigid in itself; but it can also be provided with wear rails attached to spring flaps.
  • a ploughshare (1) is attached to a stool (2) by means of an upper connecting link (3) and a lower connecting link (4).
  • An upper pivot bearing (5) and a lower pivot bearing (6) are provided on the side of the stool (2) facing away from the ploughshare.
  • An upper link (7) and a lower link (8), each with one end, are articulated on the pivot bearings (5, 6).
  • the opposite ends of the links (7, 8) are fastened to a device plate (9), also pivotable about horizontal axes.
  • the device plate (9) has vertical L-profiles (10) on opposite sides, between whose webs pointing in the direction of the ploughshare crossbars (11), also with an L-profile, are pivotally mounted about horizontal axes (12).
  • the device plate (9) has on its upper edge a horizontal cross rail (13) which, with hook parts (14) pointing downwards, engages from above into pockets (not shown) of a vehicle plate (15) connected to the work vehicle.
  • the vehicle plate (15) is connected to the work vehicle (not shown) by means of a bar (16).
  • the upper link (7) is composed of two telescopically interlocking hollow profiles, an outer link part (17) being articulated indirectly to the device plate (9), while an inner link part (18) is articulated indirectly to the ploughshare (1). Both link parts (17, 18) are connected by means of a tension spring (19) stretched in their cavity.
  • the ploughshare (1) is shown in a position tilted over an obstacle (20), the wear rail (21) of the ploughshare (1) still being in front of the obstacle and with its lower edge on the ground surface (22) gets up.
  • Both links (7, 8) run slightly obliquely upwards in the direction of the ploughshare (1); the upper link (7) is extended according to the inclined position of the ploughshare (1).
  • the inner link part (18) of the upper link (7) you can see that the inner link part (18) can be extended a further distance from the outer link part (17), so that when the Snow plows in clearing direction acc.
  • Arrow F the obstacle (20) can be completely overcome, the ploughshare (1) leaning even more forward.
  • a locking device (24) is also shown. This consists of a fork part (25) on the inner handlebar part (18) of the upper handlebar (7) and an upwardly extending tab (26) which engages in the space between the fork and which is fastened to the outer handlebar part (17).
  • the outer link part (17) and the inner link part (18) of the upper link (7) can be rigidly and inextensibly connected to one another by means of a shear pin (27) inserted through bores in the fork part (25) and in the tab (26). This connection is unlocked during normal use of the snow plow, i.e. the shear pin is only used under special conditions, e.g. when clearing stuck snow, the removal of which requires pressing the ploughshare (1) onto the ground surface (22).
  • Figures 4 and 5 show the telescopically extendable upper handlebar (37) using the example of a multi-blade spring plow.
  • One or two upper and lower links are usually provided for each share segment.
  • the height adjustment is carried out by means of a hydraulic cylinder (not shown) which is articulated on the one hand on a bracket (32) of the handlebar connection and on the other hand on the device plate (31), indicated by dashed lines in FIG. 5.
  • a support skid (33) is provided on the underside of the supporting frame, which limits an undesired downward bending of the handlebar connection (30). 6, the share segment (28) is just over a threshold (34). This process is considerably facilitated by the fact that the upper link (37) is telescopically extended compared to its shortened normal position shown in FIG. 4, with the corresponding extension of the tension spring (19).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soil Working Implements (AREA)

Abstract

Ein Schneepflug, dessen Pflugschar (1) mittels mindestens zweier übereinander angeordneter Lenker (7;8) mit einer Geräteplatte (9) verbunden ist, welche an einer Fahrzeugplatte (15) eines Arbeitsfahrzeugs befestigbar ist, weist eine Einrichtung auf, welche die Funktion des Schneepflugs auch beim Überfahren von Hindernissen sicherstellt. Diese Einrichtung besteht darin, daß der oder die oberen Lenker (7) gegen die Wirkung einer Federkraft verlängerbar ausgebildet sind.A snow plow, the ploughshare (1) of which is connected to a device plate (9) which can be fastened to a vehicle plate (15) of a work vehicle by means of at least two links (7; 8) arranged one above the other, has a device which functions as the snow plow even when driving over obstacles. This device consists in that the upper link (s) (7) are designed to be extendable against the action of a spring force.

Description

Die Erfindung betrifft einen Schneepflug, dessen Pflug­schar mittels mindestens zweier übereinander angeordne­ter Lenker mit einem Tragteil verbunden ist, welches an einer Fahrzeugplatte eines Arbeitsfahrzeugs befe­stigbar ist, und mit einer Einrichtung, welche ein Ausweichen der Pflugschar beim Überfahren von Hinder­nissen ermöglicht.The invention relates to a snow plow, the ploughshare is connected by means of at least two handlebars arranged one above the other to a supporting part which can be fastened to a vehicle plate of a work vehicle, and to a device which enables the ploughshare to evade when driving over obstacles.

Bei bekannten, sog. Mehrscharfederpflügen (DE-S 17 08 664) sind die einzelnen Scharsegmente an einem Trag­rahmen, dieser um ein horizontal verlaufendes Pflugrohr drehbar befestigt, wobei beide Teile mittels Abscher­bolzen in einer bestimmten Drehlage zueinander fixiert sind. Wird der Federweg des jeweiligen Scharsegments beim Überfahren eines Hindernisses überschritten - die Lenker, an denen jedes Scharsegment aufgehängt ist, haben dabei ihre Endstellung erreicht - so kann nach dem Durchtrennen der Abscherbolzen das jeweilige Scharsegment um das Pflugrohr verdreht werden, wobei die Verschleißschiene nach hinten oben ausweicht.In known, so-called multi-furrow plows (DE-S 17 08 664), the individual coulter segments are fastened to a support frame, which is rotatably mounted about a horizontally running plow tube, both parts being fixed to one another in a certain rotational position by means of shear bolts. If the spring travel of the respective share segment is exceeded when passing over an obstacle - the handlebars on which each share segment has been suspended have reached their end position - after cutting the shear bolts, the respective share segment can be rotated around the plow tube, with the wear rail facing upwards evades.

Bei einer anderen bekannten aus Scharsegmenten beste­henden Pflugschar (Deutsche Auslegeschriftschrift 1 278 465) sind die einzelnen Scharsegmente mit Hilfe von oberen und unteren Gummibändern an einem Tragrahmen befestigt. Beim Überfahren eines Hindernisses verformen sich die Gummibänder und ermöglichen dem jeweiligen Scharsegment ein Ausweichen nach oben.In another known ploughshare consisting of coulter segments (German Auslegeschrifschrift 1 278 465), the individual coulter segments are fastened to a supporting frame with the aid of upper and lower rubber bands. When driving over an obstacle, the rubber bands deform and allow the respective share segment to move upwards.

Demgegenüber liegt der vorligenden Erfindung die Auf­gabe zugrunde, bei einer Lenkerverbindung zwischen einer Pflugschar und einem Tragteil, eine zusätzliche Ausweichmöglichkeit für die Pflugschar vorzusehen, welche unabhängig von der jeweiligen Tragkonstruktion für die Pflugschar wirksam ist.In contrast, the present invention has for its object to provide an additional alternative for the ploughshare with a link connection between a ploughshare and a support member, which is effective regardless of the respective support structure for the ploughshare.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der oder die oberen Lenker gegen die Wirkung einer Federkraft verlängerbar ausgebildet sind.This object is achieved in that the upper link or links are designed to be extendable against the action of a spring force.

Dieser Löschungsvorschlag gewährleistet einerseits eine starre Verbindung zwischen Pflugschar und Tragteil in dem Sinne, daß die Pflugschar beim Räumen gegen den Boden gedrückt werden kannp andererseits kann die Pflugschar beim Auffahren auf Hindernisse, welche über die Bodenoberfläche vorspringen, ohne die Gefahr von Beschädigunen ausweichen, in dem sie sich entgegen der Wirkung der Federkraft nach vorne neigt, wobei der oder die oberen Lenker verlängert werden.This deletion suggests, on the one hand, a rigid connection between the ploughshare and the supporting part in the sense that the ploughshare can be pressed against the ground when clearing the other hand, the ploughshare can collide with obstacles which protrude above the ground surface without the Avoid the risk of damage by leaning forward against the action of the spring force, whereby the upper handlebar (s) are extended.

Das Tragteil an welchem die Pflugschar aufgehängt ist, kann bei einfachen Pflugkonstruktionen die an der Fahr­zeugplatte zu befestigende Geräteplatte sein; bei Pflü­gen in Art des bekannten Mehrscharfederpflugs ist das Tragteil durch einen Tragrahmen gebildet; erst dieser ist über eine hydraulisch gestützte weitere Lenkerver­bindung mit starren Lenkern mit der Geräteplatte ver­bunden.The supporting part on which the ploughshare is suspended can be the device plate to be fastened to the vehicle plate in simple plow constructions; in plows in the manner of the known multi-blade plow, the support member is formed by a support frame; Only this is connected to the device plate via a hydraulically supported further link connection with rigid links.

Eine besonders vorteilhafte Ausführungsform der Erfin­dung betreffen die Patentansprüche 4 und 5, wonach eine teleskopische Verlängerbarkeit des bzw. der oberen Lenker vorgesehen ist.A particularly advantageous embodiment of the invention relates to claims 4 and 5, according to which a telescopic extensibility of the upper link or links is provided.

Für besondere Räumaufgaben, nämlich für hartes Räumen beispielsweise einer festgefahrenen Schneedecke, kann die Verlängerung des bzw. der oberen Lenker auf ein­fache Weise durch eine geignete Verriegelungsvorrich­tung gem. den Patentansprüchen 6 und 7 ausgeschaltet werden. Dabei ist es zur Vermeidung von Schäden am Schneepflug zweckmäßig, als Verriegelungsteil einen Abscherbolzen vorzusehen.For special clearing tasks, namely for hard clearing, for example a stuck snow cover, the extension of the upper handlebar (s) can be done in a simple manner using a suitable locking device. Claims 6 and 7 are switched off. In order to avoid damage to the snow plow, it is expedient to provide a shear bolt as a locking part.

Im Rahmen der Erfindung kann die Pflugschar in sich starr ausgebildet sein; sie kann aber auch mit an Fe­derklappen befestigten Verschleißschienen versehen sein.In the context of the invention, the ploughshare can be rigid in itself; but it can also be provided with wear rails attached to spring flaps.

Im folgenden werden Ausführungsbeispiele der Erfindung anhand der Zeichnung erläutert. Es zeigen

  • Fig. 1 eine Seitenansicht der Pflugschar,
  • Fig. 2 eine Draufsicht auf die Anlenkung der Pflug­schar,
  • Fig. 3 eine Seitenansicht der Pflugschar in einer über ein Hindernis geneigten Lage,
  • Fig. 4 eine Seitenansicht eines Mehrscharfederpflugs in der Normallage und
  • Fig. 5 den Mehrscharfederpflug gem. Fig. 4 in der Ausweichposition.
Exemplary embodiments of the invention are explained below with reference to the drawing. Show it
  • 1 is a side view of the ploughshare,
  • 2 is a plan view of the articulation of the ploughshare,
  • 3 is a side view of the ploughshare in a position inclined over an obstacle,
  • Fig. 4 is a side view of a multi-blade plow in the normal position and
  • Fig. 5 the multi-focus plow acc. Fig. 4 in the avoidance position.

Gem. Fig. 1 ist eine Pflugschar (1) an einem Schemel (2) mittels einer oberen Verbindungslasche (3) und einer unteren Verbindungslasche (4) befestigt. Auf der von der Pflugschar abgewandten Seite des Schemels (2) sind ein oberes Schwenklager (5) und ein unteres Schwenklager (6) vorgesehen. An dem Schwenklagern (5,6) sind ein oberer Lenker (7) und ein unterer Lenker (8), jeweils mit einem Ende angelenkt. Die gegenüberliegen­den Enden der Lenker (7,8) sind, ebenfalls um horizon­tale Achsen verschwenkbar an einer Geräteplatte (9) befestigt. Die Geräteplatte (9) weist zu disem Zweck auf gegenüberliegenden Seiten vertikale L-Profile (10) auf, zwischen derenin Richtung Pflugschar weisenden Stegen Querbalken (11), ebenfalls mit L-Profil um hori­zontale Achsen (12) schwenkbar gelagert sind. Die Ge­räteplatte (9) besitzt an ihrer Oberkante eine horizon­tale Querschiene (13), welche mit nach unten weisenden Hakenteilen (14) von oben in nicht näher dargestellte Taschen einer mit dem Arbeitsfahrzeug verbunden Fahr­zeugplatte (15) eingreift. Die Fahrzeugplatte (15) ist mittels eines Balkens (16) mit dem nicht darge­stellten Arbeitsfahrzeug verbunden.1, a ploughshare (1) is attached to a stool (2) by means of an upper connecting link (3) and a lower connecting link (4). An upper pivot bearing (5) and a lower pivot bearing (6) are provided on the side of the stool (2) facing away from the ploughshare. An upper link (7) and a lower link (8), each with one end, are articulated on the pivot bearings (5, 6). The opposite ends of the links (7, 8) are fastened to a device plate (9), also pivotable about horizontal axes. For this purpose, the device plate (9) has vertical L-profiles (10) on opposite sides, between whose webs pointing in the direction of the ploughshare crossbars (11), also with an L-profile, are pivotally mounted about horizontal axes (12). The device plate (9) has on its upper edge a horizontal cross rail (13) which, with hook parts (14) pointing downwards, engages from above into pockets (not shown) of a vehicle plate (15) connected to the work vehicle. The vehicle plate (15) is connected to the work vehicle (not shown) by means of a bar (16).

Während der untere Lenker (8) einteilig und starr aus­gebildet ist, ist der obere Lenker (7) aus zwei teles­kopisch ineinander greifenden Hohlprofilen zusammen gesetzt, wobei ein äußerer Lenkerteil (17) mittelbar an der Geräteplatte (9) angelenkt ist, während ein innerer Lenkerteil (18) mittelbar an der Pflugschar (1) angelenkt ist. Beide Lenkerteile (17,18) sind mit­tels einer in deren Hohlraum gespannten Zugefeder (19) verbunden.While the lower link (8) is made in one piece and rigid, the upper link (7) is composed of two telescopically interlocking hollow profiles, an outer link part (17) being articulated indirectly to the device plate (9), while an inner link part (18) is articulated indirectly to the ploughshare (1). Both link parts (17, 18) are connected by means of a tension spring (19) stretched in their cavity.

Gem. Fig. 3 ist die Pflugschar (1) in einer über ein Hinderniss (20) gekippten Lage dargestellt, wobei die Verschleißschiene (21) der Pflugschar (1) sich noch vor dem Hindernis befindet und mit ihrer Unterkante an der Bodenoberfläche (22) aufsteht. Beide Lenker (7,8) verlaufen in Richtung auf die Pflugschar (1) leicht schräg nach oben; der obere Lenker (7) ist ent­sprechend der Schräglage der Pflugschar (1) verlängert. An der Lage des inneren Endes (23) des inneren Lenker­teils (18) des oberen Lenkers (7) erkennt man, daß der innere Lenkerteil (18) noch ein weiteres Stück aus dem äußeren Lenkerteil (17) ausfahrbar ist, so daß bei Fortbewegung des Schneepflugs in Räumrichtung gem. Pfeil F das Hindernis (20) vollständig überwunden werden kann, wobei sich die Pflugschar (1) noch mehr nach vorne neigt.3 the ploughshare (1) is shown in a position tilted over an obstacle (20), the wear rail (21) of the ploughshare (1) still being in front of the obstacle and with its lower edge on the ground surface (22) gets up. Both links (7, 8) run slightly obliquely upwards in the direction of the ploughshare (1); the upper link (7) is extended according to the inclined position of the ploughshare (1). At the position of the inner end (23) of the inner link part (18) of the upper link (7) you can see that the inner link part (18) can be extended a further distance from the outer link part (17), so that when the Snow plows in clearing direction acc. Arrow F the obstacle (20) can be completely overcome, the ploughshare (1) leaning even more forward.

In den Figuren 1 und 2 ist zusätzlich noch eine Ver­riegelungsvorrichtung (24) dargestellt. Diese besteht aus einem Gabelteil (25) am inneren Lenkerteil (18) des oberen Lenkers (7) und einer in den Gabelzwi­schenraum eingreifenden nach oben ragenden Lasche (26), welche am äußeren Lenkerteil (17) befestigt ist. Mit­tels eines durch Bohrungen im Gabelteil (25) und in der Lasche (26) hindurch gesteckten Abscherbolzens (27) können der äußere Lenkerteil (17) und der innere Lenkerteil (18) des oberen Lenkers (7) starr und unver­längerbar miteinander verbunden werden. Diese Verbin­dung ist bei normalem Einsatz des Schneepflugs entrie­gelt, d.h. der Abscherbolzen wird nur unteren beson­deren Räumbedingungen benutzt, z.B. beim Räumen von festgefahrenem Schnee, dessen Entfernung ein Anpressen der Pflugschar (1) auf die Bodenoberfläche (22) zur Voraussetzung hat.In Figures 1 and 2, a locking device (24) is also shown. This consists of a fork part (25) on the inner handlebar part (18) of the upper handlebar (7) and an upwardly extending tab (26) which engages in the space between the fork and which is fastened to the outer handlebar part (17). The outer link part (17) and the inner link part (18) of the upper link (7) can be rigidly and inextensibly connected to one another by means of a shear pin (27) inserted through bores in the fork part (25) and in the tab (26). This connection is unlocked during normal use of the snow plow, i.e. the shear pin is only used under special conditions, e.g. when clearing stuck snow, the removal of which requires pressing the ploughshare (1) onto the ground surface (22).

Die Figuren 4 und 5 zeigen den teleskopisch auszieh­baren oberen Lenker (37) am Beispiel eines Mehrscharfe­derpflugs. Hier sind die einzelnen Scharsegmente (28) über den teleskopischen oberen Lenker (37) und den starren unteren Lenker (38) andererseits an einem Tragrahmen (29) angelenkt, welcher über eine Lenkerver­bindung (30) an der Geräteplatte (31) heb- und senkbar befestigt ist. Je Scharsegment sind üblicherweise ein- oder zwei obere und untere Lenker vorgesehen. Die Hö­henverstellung erfolgt mittels eines nicht dargestell­ten, einerseits an einer Lasche (32) der Lenkerverbin­dung, andererseits an der - in Fig. 5 strichliert ange­deuteten - Geräteplatte (31) angelenkten Hydraulikzy­linders. An der Unterseite des Tragrahmens ist eine Stützkufe (33) vorgesehen, welche ein unerwünschtes Einknicken der Lenkerverbindung (30) nach unten be­grenzt. Gem. Fig. 6 überwendet das Scharsegment (28) gerade eine Schwelle (34). Dieser Vorgang wird wesent­lich erleichtert dadurch, daß der obere Lenker (37) sich gegenüber seiner in Fig. 4 dargestellten verkürz­ten Normallage teleskopsiche verlängert, und zwar unter entsprechender Dehnung der Zugfeder (19).Figures 4 and 5 show the telescopically extendable upper handlebar (37) using the example of a multi-blade spring plow. Here are the individual share segments (28) on the other hand on the telescopic upper link (37) and the rigid lower link (38) Support frame (29) articulated, which is attached to the device plate (31) such that it can be raised and lowered via a link connection (30). One or two upper and lower links are usually provided for each share segment. The height adjustment is carried out by means of a hydraulic cylinder (not shown) which is articulated on the one hand on a bracket (32) of the handlebar connection and on the other hand on the device plate (31), indicated by dashed lines in FIG. 5. A support skid (33) is provided on the underside of the supporting frame, which limits an undesired downward bending of the handlebar connection (30). 6, the share segment (28) is just over a threshold (34). This process is considerably facilitated by the fact that the upper link (37) is telescopically extended compared to its shortened normal position shown in FIG. 4, with the corresponding extension of the tension spring (19).

Claims (7)

1. Schneepflug dessen Pflugschar (1; 28) mittels min­destens zweiter übereinander angeordneter Lenker (7, 8; 37, 38) mit einem Tragteil verbunden ist, welches an einer Fahrzeugplatte (15) eines Arbeits­fahrzeugs befestigbar ist, und mit einer Einrich­tung, welche ein Ausweichen der Pflugschar beim Überfahren von Hindernissen ermöglicht,
dadurch gekennzeichnet,
daß der oder die oberen Lenker (7; 37) gegen die Wirkung einer Federkraft verlängerbar ausgebildet sind.1. snow plow whose ploughshare (1; 28) is connected by means of at least two superposed links (7, 8; 37, 38) to a support part which can be fastened to a vehicle plate (15) of a work vehicle, and to a device which a Allows the ploughshare to escape when driving over obstacles,
characterized,
that the upper link or links (7; 37) are designed to be extendable against the action of a spring force. 2. Schneepflung nach Anspruch 1, mit einer Geräteplatte (9), welche an der Fahrzeugplatte (15) befestigbar ist,
dadurch gekennzeichnet,
daß das Tragteil die Geräteplatte (9) ist.2. snow plowing according to claim 1, with a device plate (9) which can be fastened to the vehicle plate (15),
characterized,
that the supporting part is the device plate (9). 3. Schneepflug nach Anspruch 1, mit einer Pflugschar (1) aus mehreren horizontal nebeneinander angeordne­ten Scharsegmenten (28), welche voneinander unabhän­gig über obere und untere Lenker (37, 38) mit einem Tragrahmen (29) verbunden und daran mittels Federn beweglich abgestützt sind, so daß sie Hindernissen ausweichen können, wobei der Tragrahmen (29) seiner­seits über eine hydraulisch gestützte Lenkerverbin­dung (30) mit einer Geräteplatte (31) verbunden ist, welche an der Fahrzeugplatte 915) befestigbar ist,
dadurch gekennzeichnet,
daß das Tragteil der Tragrahmen (29) ist.3. Snow plow according to claim 1, with a ploughshare (1) from a plurality of horizontally juxtaposed share segments (28) which are connected independently of each other via upper and lower links (37, 38) with a support frame (29) and are movably supported thereon by springs so that they can avoid obstacles, the support frame (29) in turn being connected via a hydraulically supported handlebar connection (30) to a device plate (31) which can be fastened to the vehicle plate 915),
characterized,
that the support member is the support frame (29). 4. Scheepflug nach Anspruch 1
dadurch gekennzeichnet,
daß neben einem starren unteren (8; 38) ein telesko­pisch verlängerbarer oberer Lenker (7; 37) vorgese­hen ist.4. Scheepflug according to claim 1
characterized,
that in addition to a rigid lower (8; 38) a telescopically extendable upper link (7; 37) is provided. 5. Schneepflug nach Anspruch 4,
dadurch gekennzeichnet,
daß der obere Lenker (7; 37) aus teleskopisch inein­ander greifenden Hohlprofilen besteht, die mittels einer in deren Hohlraum angeordneten Zugfeder (19) zusammengespannt sind.5. snow plow according to claim 4,
characterized,
that the upper link (7; 37) consists of telescopically interlocking hollow profiles which are clamped together by means of a tension spring (19) arranged in their cavity. 6. Schneepflug nach Anspruch 4,
dadurch gekennzeichnet,
daß der obere Lenker (7) eine Verriegelungsvorrich­tung (24) zum gegenseitigen Verriegeln eines äußeren Lenkerteils (17) und eines darin verchieblich auf­genommenen inneren Lenkerteils (18) in der verkürz­ten Lage der beiden Lenkerteile (17, 18) aufweist.6. snow plow according to claim 4,
characterized,
that the upper link (7) has a locking device (24) for mutually locking an outer link part (17) and an inner link part (18) slidably received therein in the shortened position of the two link parts (17, 18). 7. Schneepflug nach Anspruch 6,
dadurch gekennzeichnet,
daß die Verriegelungsvorrichtung (24) einen Abscher­bolzen (27) als Verriegelungsteil aufweist.7. snow plow according to claim 6,
characterized,
that the locking device (24) has a shear pin (27) as a locking part.
EP87113446A 1986-12-16 1987-09-15 Snow plough Withdrawn EP0271645A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3642888 1986-12-16
DE19863642888 DE3642888A1 (en) 1986-12-16 1986-12-16 SNOW PLOW

Publications (1)

Publication Number Publication Date
EP0271645A1 true EP0271645A1 (en) 1988-06-22

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ID=6316272

Family Applications (1)

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EP87113446A Withdrawn EP0271645A1 (en) 1986-12-16 1987-09-15 Snow plough

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US (1) US4843744A (en)
EP (1) EP0271645A1 (en)
DE (1) DE3642888A1 (en)
NO (1) NO875242L (en)

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DE4018832A1 (en) * 1989-08-08 1991-02-14 Josef Nusser Snow plough attached to vehicle - has blade mounted on swivel mechanism on frame fixed to vehicle
FR2656017A1 (en) * 1989-12-14 1991-06-21 Sico Metal Jura Device for correcting the positioning with respect to the ground of a leading edge, for example of a snow plough
DE4100545A1 (en) * 1989-08-08 1992-07-16 Josef Nusser Snow plough unit - has scraper blade with swivelling device to enable obstructions to be avoided

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DE4018832A1 (en) * 1989-08-08 1991-02-14 Josef Nusser Snow plough attached to vehicle - has blade mounted on swivel mechanism on frame fixed to vehicle
DE4100545A1 (en) * 1989-08-08 1992-07-16 Josef Nusser Snow plough unit - has scraper blade with swivelling device to enable obstructions to be avoided
DE4018832B4 (en) * 1989-08-08 2009-12-31 Josef Nusser Snowplow with rake
FR2656017A1 (en) * 1989-12-14 1991-06-21 Sico Metal Jura Device for correcting the positioning with respect to the ground of a leading edge, for example of a snow plough

Also Published As

Publication number Publication date
DE3642888A1 (en) 1988-07-07
US4843744A (en) 1989-07-04
NO875242D0 (en) 1987-12-15
NO875242L (en) 1988-06-17

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