EP0656086B1 - Chasse-neige - Google Patents

Chasse-neige Download PDF

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Publication number
EP0656086B1
EP0656086B1 EP94911043A EP94911043A EP0656086B1 EP 0656086 B1 EP0656086 B1 EP 0656086B1 EP 94911043 A EP94911043 A EP 94911043A EP 94911043 A EP94911043 A EP 94911043A EP 0656086 B1 EP0656086 B1 EP 0656086B1
Authority
EP
European Patent Office
Prior art keywords
plate
snowplough
lever
snow
curvature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94911043A
Other languages
German (de)
English (en)
Other versions
EP0656086A1 (fr
Inventor
Werner ZAUGG-RÜEGSEGGER
Walter Zaugg-Siegenthaler
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.)
Zaugg AG Eggiwil
Original Assignee
Zaugg AG Eggiwil
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zaugg AG Eggiwil filed Critical Zaugg AG Eggiwil
Publication of EP0656086A1 publication Critical patent/EP0656086A1/fr
Application granted granted Critical
Publication of EP0656086B1 publication Critical patent/EP0656086B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E01H5/062—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 by scraper blades displaceable for shock-absorbing purposes
    • 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 invention relates to a snow plow with a the flow of the snow deflecting flexible plate which is adjustable with a mechanism in its curvature.
  • the invention further relates to a method for changing the Curvature of the flexible plate in a snow plow.
  • a snow plow of the type mentioned is e.g. B. from the JP-Y-56 17 543, FR-A-1 254 965 or EP-A-0 365 436.
  • variable plates are that one and the same snow plow in different working conditions can be used. This allows a reduction of the variety of types: Where previously several device types only one can now be made available Type are sufficient. Depending on the type of variability of the curvature can - based on the idea of variable curvature - the direction of snow flow can be set without the plow would have to be turned (see e.g. EP 0 365 436).
  • the plate to be deformed preferably consists of a elastic material. It will be special these days Plastic plates used. The problem now is that the plastic plate has a different coefficient of expansion than the metallic frame construction has and that the plate bulges undesirably when bent.
  • a snow plow with a flexible plate is known from US-A-5,079,866 which the curvature is adjusted by the fact that the upper edge with a Mechanism is pushed diagonally forward.
  • the snow plow is on his open to both sides to different degrees.
  • At the top edge the plate is held that it can avoid the pressure that occurs during plowing.
  • the bottom of the The plate is firmly clamped.
  • the object of the invention is to provide a snow plow at the beginning Specify the type in which the flexible resp. elastic Plate regardless of temperature changes and set Free from unwanted bulges and curvature Deformations.
  • the plate is kept floating by the mechanism.
  • the essence of the invention is that the plate is given the opportunity evade internal tensions. With temperature changes or local It can shift loads (normal forces) in its holder.
  • the plate is held at its upper and lower edges, the two Edges are always held or guided parallel to one another by the mechanism. Unlike the snow plow according to EP-A-0 365 436, the plate does not become one subjected to uneven curvature. So viewed in vertical section is Curvature curve the same across the entire width of the plow.
  • the mechanism is designed so that the position and direction the upper edge of the plate when adjusting it is specified that the bending force is mainly local acts perpendicular to the plate.
  • the normal forces i.e. the Forces in the resp. parallel to the local plate level
  • the to a plate expansion resp. - compression bulge in extreme cases
  • normal forces are also largely avoided due to the floating storage.
  • both the Position of the plate edge in the room as well as its direction must be defined.
  • a plate holder like this e.g. B. from EP-A-0 365 436 is known by the actuating mechanism an uncontrolled on the platemark Torque exerted to a locally inflated Load on the plate.
  • the Invention the bending moment in an optimal way on the plate transferred (no "kinking" of the plate edge).
  • the mechanism includes, for example, a two-lever system, where two levers of different lengths with each other spaced axes of rotation the position and direction of the specify the upper margin. With the two levers, the bracket of the upper plate edge not only in terms of position, but also be guided in the right direction.
  • a Two-lever system is also a construction with cables conceivable.
  • a hydraulic system operates the levers of the two-lever system synchronously. For this purpose, they are advantageously on the same cylinder piston attached.
  • each with at least one hydraulic cylinder can be actuated.
  • the two Hydraulic cylinders are connected via flow dividers. Thereby can be prevented in particular in the case of unequal sides Load on the top of the plow in the transverse direction the positions of the hydraulic cylinders and thus the Change two-lever systems in the opposite direction can (e.g. open on the left and close on the right at the same time).
  • the ploughshare which is arranged below the top of the plow and scrapes the snow off the ground. picks up, preferably has several, adjoining one another laterally, individually foldable elements. Because of their mobility they can avoid obstacles on the ground. Thereby, that several independently foldable elements are provided, the mass to be moved per element smaller.
  • the elements are stored in such a way that they can be hit to an obstacle - without lifting off the ground - around the impact point turn to a negative position then to jump over the obstacle.
  • the swivel movement takes place not - as with the Tecnnik stand - around the top, but a horizontal one at a medium height Axis of rotation. So the top part of the element is moving - relative to the upper part of the plow - to the front and the lower to the rear behind.
  • the foldable elements are preferably on one at rest essentially horizontal, vertical swiveling lever rotatably mounted. So the element can dodge up to a certain extent. Overall, that has As a result, the element has a large cushioning path.
  • the element is preferably with one above the connection between lever and element attacking cable in one positive rest position pulled.
  • the cable pull includes a pulley and a more or less vertically aligned one Spring (especially a hollow rubber spring).
  • the cable is less problematic than a tie rod, because jamming of the force-transmitting elements (rope instead of rod) do not occur can.
  • the designer has more freedom when arranging the spring element (due to the force deflection through the role mentioned).
  • the lever pivotable in the vertical direction is preferred stored in eccentric bushes to fine-tune the Gap between the foldable element and the plow top to enable. In this way, e.g. B. Manufacturing tolerances or age-related changes will.
  • the elements are small in the transverse direction tiltable.
  • the corresponding bearings and joints of the elements resp. the horizontal lever arms have an elastic material, which is a wobble of the joint and thus - besides swiveling - also a slight sideways tilting of the element enables.
  • the method according to the invention for changing the curvature the flexible plate for a snow plow of the type mentioned Art is characterized in that the plate on two opposite edges always parallel in brackets is held and that the brackets when adjusting the curvature is guided in position and direction in such a way that the bending force is essentially only locally perpendicular to the Plate works.
  • a snow plow according to the invention (cf. FIG. 1) has one Ploughshare 1, which scrapes the snow off the ground, and one Plow top part 2, which the snow to the side redirects. Apart from a gap 38, the front sides close of ploughshare 1 and plow head 2 flush with each other with the inclinations of the two front surfaces are coordinated (optimal snow flow).
  • the plow top 2 has a flexible, respectively.
  • elastic Plate 3 made of plastic or other suitable material on. It is essentially rectangular and is attached to it top and bottom of a bracket of the in Fig. 2 shown floating type.
  • a recess 20 is provided on its front edge, so that a Gradation is formed.
  • a recess 20 is provided on its front edge, so that a Gradation is formed.
  • several z. B. oval wells respectively.
  • Recesses 22 are provided.
  • the plate holder 17 has a z. B. triangular Profile 41 and a clamping rail screwed to the latter 39, which - spanning the upper edge 21 - in the recess 20 engages.
  • Profile 41 also formed a nose 23 which in the (corresponding) Recess 22 engages.
  • the floating storage now results from the fact that the Nose 23 not completely, but only the recess 22 partially filled and that the clamping rail 39 with their Not directly to the face through the recess 20 formed gradation bumps.
  • the plate 3 can thus in Towards their local "plate axes" (i.e. towards the x and y axes) in the local plate plane) the bracket 17 respectively. between clamping rail 39 and profile 41 move resp. move.
  • the nose 23 prevents that the plate 3 from the (by clamping rail 39 and profile 41 formed) can slide out.
  • the floating one Storage prevents excessive normal forces (in the plate 3) can build.
  • Plow top 2 and ploughshare 1 are directly resp. indirectly supported on a transverse support beam 4. This is in turn on a (not shown Frame), which is used to open the snow plow in front to put on a vehicle.
  • the support beam 4 On the support beam 4, several support elements are attached. One of which is shown in the figures and with the reference symbol 5 marked.
  • the support element 5 projects among other things diagonally downwards and backwards away in a joint 6 one Support hydraulic cylinder 7.1.
  • the piston 7.2 of the hydraulic cylinder 7.1 is on the one hand with a joint 8 a long-armed lever 40 and on the other hand - via one Transfer arm 9 - connected to a short-armed lever 11.
  • the lever 11 is rotatable about a pivot point 12, which arranged more or less centrally above the support beam 4 is. (The corresponding support structure is in the figures not shown.) He has two arms 11.1 and 11.2, those with the transmission arms 9 and 14 at their ends, respectively a knee joint 10 respectively. 13 form.
  • the transmission arm 14 is via a hinge 15 with a plate holder 17 supporting head part 16 connected.
  • Arm 11.2 is longer than arm 11.1. It is also curved (concave from the plate), so when "closing" (position B) the plow head for the curved plate has enough space.
  • the two knee joints 10 and 13 are in the present example with respect to the pivot point 12 at an angle of approx. 110 to 120 degrees.
  • Arm 11.1 also has a turning radius of about 15 cm and the arm 11.2 one of about 35 cm Transmission arms 9 and 14 are about 20 cm respectively. 15 cm long (Joint axis to joint axis).
  • the long lever 40 is mounted in the fulcrum 19, which e.g. B. 15 to 20 cm vertically below the pivot point 12 on Support element 5 is formed.
  • the lever 40 is on the one hand via the joint 8 with the piston 7.2 and on the other hand a joint 18 is connected to the head part 16.
  • the joint 18 has a turning radius of 60 to with respect to the pivot point 19 65 cm and the joint 8 such a 15 to 18 cm.
  • the lever 40 is similar like the lever 11.
  • the described two-lever mechanism is used for the curvature disc 3 to be adjusted by changing the (spatial) Position and direction of the plate holder 17.
  • the plate 3 of held two lever systems arranged side by side.
  • the two two-lever systems are each operated by a hydraulic cylinder operated synchronously.
  • the hydraulic system is like this interpret that the same positions also in different Load are observed. This can e.g. B. happen with a known flow divider, which the fluid exchange between the cylinders if necessary can prevent.
  • Fig. 1 the plow top 2 is in the open position A. (solid lines) and in the closed position B (dashed lines).
  • any intermediate position can be done by the hydraulics can be set. How strong the plow top 2 must be opened or closed depends on the Driving speed, the snow mass to be removed desired throw distance and other conditions to be set by the user on a case-by-case basis.
  • Fig. 3 shows the ploughshare 1 together with the associated cushioning mechanism.
  • the ploughshare 1 has a plate-shaped Swivel element 26 with a replaceable at its lower edge attached knife 24 on.
  • the knife 24 engages the Snow from floor 25 on.
  • Regarding the bottom edge of the knife 24 and the upper edge of the swivel element 26 is in the middle the pivot element 26 with a pivot axis 27 Lever arm 28 connected. This is essentially at rest horizontal. It is in one at its rear end Pivot 29 (pivotable in the vertical direction).
  • the pivot point 29 is at the lower end of a support element 30 provided.
  • a rubber hollow spring 32 on the one hand in a point of attack 31 attached to the lever arm 28 and on the other hand on the support element 30 is supported, holds the lever arm 28 in its essentially horizontal rest position.
  • the pivot element 26 adapts to the inclination of the floor surface can adjust across the direction of travel are the Bearings of the pivot axis 27 and the pivot point 29 (to the respective Axis of rotation) easily tiltable (e.g. by 1 °).
  • the optimal one Snow removal from uneven floors is also guaranteed that the ploughshare 1 is not a single, itself element extending over the entire plow width, but several individually pivotable, arranged side by side Has elements. Each of these elements can dodge individually and adapt to the slope of the ground.
  • the invention is of course not limited to the one described Embodiment.
  • hollow rubber springs e.g. B. coil springs or other elastic elements are used will.
  • the cable pull mechanism can also can be replaced by a spring-loaded pull rod.
  • crankshaft mechanism which can be operated by the vehicle by means of a crankshaft is (widespread principle in agricultural machinery).
  • the correct guidance of the plate edge can not only with the described advantageous two-lever system, but also with different types of lever and / or Cable mechanisms are accomplished.
  • the cushioning system (ploughshare 1) is independent from the top of the plow 2. D. h. if necessary, one or the other part should be different.
  • the invention created a versatile snow plow has been improved guidance of the snow flow allowed.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soil Working Implements (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Claims (11)

  1. Chasse-neige muni d'un panneau flexible (3) déviant le flux de neige, et dont la courbure peut être réglée à l'aide d'un mécanisme, caractérisé par le fait que le panneau (3) est retenu par le mécanisme (7.1, 7.2, 9, 11, 14, 40), sur son bord supérieur et sur son bord inférieur, de manière flottante dans la direction des axes des x et des y situés dans son plan local ; et par le fait que les deux bords sont guidés en permanence parallèlement l'un à l'autre, par le mécanisme (7.1, 7.2, 9, 11, 14, 40), de telle sorte que, lors du déplacement, la position et la direction du bord supérieur du panneau (3) soient en permanence préétablies de façon que la force de flexion n'agisse, pour l'essentiel, que localement perpendiculairement audit panneau (3).
  2. Chasse-neige selon la revendication 1, caractérisé par le fait que le mécanisme comprend un système à deux leviers (11, 40) dans lequel deux leviers (11, 40) de longueurs différentes, présentant des axes de rotation (12, 19) distants l'un de l'autre, préétablissent la position et la direction du bord supérieur du panneau (3).
  3. Chasse-neige selon la revendication 2, caractérisé par le fait que le mécanisme (7.1, 7.2, 9, 11, 14, 40) comprend un dispositif hydraulique (7.1, 7.2) actionnant, en synchronisme, les deux leviers (11, 40) du système à deux leviers.
  4. Chasse-neige selon la revendication 3, caractérisé par la présence d'au moins deux systèmes à deux leviers, actionnables par au moins un vérin hydraulique respectif ; et par le fait que les différents vérins hydrauliques sont reliés par l'intermédiaire de diviseurs de débit.
  5. Chasse-neige selon l'une des revendications 1 à 4, muni d'un soc (1) raclant la neige à partir du sol (25) et venant se rattacher au-dessous de la partie supérieure (2) du chasse-neige, caractérisé par le fait que le soc (1) présente plusieurs éléments (26) se rattachant latéralement les uns aux autres en juxtaposition, qui peuvent être rabattus individuellement.
  6. Chasse-neige selon la revendication 5, caractérisé par le fait que les éléments (26) sont montés de telle sorte que, lorsqu'ils rencontrent un obstacle, ils parviennent à une position négative (D) en tournant autour du point de rencontre - sans se soulever à l'écart du sol -, pour sauter ensuite pardessus l'obstacle.
  7. Chasse-neige selon la revendication 5 ou 6, caractérisé par le fait que les éléments rabattables (26) sont respectivement montés, à rotation, sur une biellette (28) qui peut pivoter verticalement et est, pour l'essentiel, horizontale en position de repos (C).
  8. Chasse-neige selon la revendication 7, caractérisé par le fait que l'élément (26) est tiré vers une position positive de repos (C) par un dispositif (34, 35, 36) à câble de traction, venant en prise au-dessus de la liaison (27) entre la biellette (28) et ledit élément (26), le dispositif à câble de traction comprenant un rouleau de renvoi (35) et un ressort (36) orienté, pour l'essentiel, dans le sens vertical.
  9. Chasse-neige selon la revendication 7 ou 8, caractérisé par le fait que la biellette (28) est montée dans des coussinets d'excentriques, en vue de la coordination précise d'un interstice (38) entre l'élément (26) et la partie supérieure (2) du chasse-neige.
  10. Chasse-neige selon l'une des revendications 5 à 9, caractérisé par le fait que les éléments (26) peuvent basculer légèrement dans le sens transversal, pour pouvoir s'adapter à l'inclinaison locale du sol.
  11. Procédé pour modifier la courbure d'un panneau flexible (3) déviant le flux de neige dans un chasse-neige, la courbure du panneau flexible (3) pouvant être réglée à l'aide d'un mécanisme, caractérisé par le fait que le panneau (3) est retenu, par son bord supérieur et par son bord inférieur, de manière flottante dans la direction des axes des x et des y situés dans son plan local ; et par le fait que les deux bords sont guidés en permanence parallèlement l'un à l'autre de telle sorte que, lors du déplacement, la position et la direction du bord supérieur du panneau (3) soient en permanence préétablies de façon que la force de flexion n'agisse, pour l'essentiel, que localement perpendiculairement audit panneau (3).
EP94911043A 1993-06-11 1994-04-11 Chasse-neige Expired - Lifetime EP0656086B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1760/93 1993-06-11
CH176093 1993-06-11
PCT/CH1994/000071 WO1994029529A1 (fr) 1993-06-11 1994-04-11 Chasse-neige

Publications (2)

Publication Number Publication Date
EP0656086A1 EP0656086A1 (fr) 1995-06-07
EP0656086B1 true EP0656086B1 (fr) 1998-07-29

Family

ID=4217934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94911043A Expired - Lifetime EP0656086B1 (fr) 1993-06-11 1994-04-11 Chasse-neige

Country Status (5)

Country Link
EP (1) EP0656086B1 (fr)
AT (1) ATE169077T1 (fr)
AU (1) AU6372794A (fr)
DE (1) DE59406556D1 (fr)
WO (1) WO1994029529A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010001687U1 (de) 2009-03-31 2010-08-12 Wiedenmann Gmbh Räumpflug insbesondere mit mehrteiliger Pflugschar

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1557494B1 (fr) * 2004-01-26 2007-07-18 Zaugg AG Eggiwil Chasse-neige
JP2005299330A (ja) * 2004-04-15 2005-10-27 Kobelco Contstruction Machinery Ltd ショベルのドーザ
ITTO20130606A1 (it) * 2013-07-17 2015-01-18 Giletta Spa Gruppo lama spazzaneve configurabile
FR3079536B1 (fr) * 2018-03-27 2020-09-04 Euro Investissement Lame de deneigement a hauteur de travail variable
CH719686A1 (de) * 2022-05-10 2023-11-15 Zaugg Ag Eggiwil Klappschar für ein Räumgerät mit einem Räumschild.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1254965A (fr) * 1960-01-15 1961-03-03 Perfectionnements aux versoirs de chasse-neige et appareils de terrassement
DE2853121C2 (de) * 1978-12-08 1980-07-03 Gottfried Dr. Reissinger Strafienräumgerät
EP0115563B1 (fr) * 1983-02-03 1987-09-30 Ing. Alfred Schmidt Gmbh Lame chasse-neige à volets rappelés par ressorts
DE3790923C2 (de) * 1987-03-31 1994-04-28 Agency Ind Science Techn Schneepflug für Fahrzeuge
US4837951A (en) * 1988-09-23 1989-06-13 Frink America, Inc. Reversible moldboard assembly
US5079866A (en) * 1990-04-23 1992-01-14 Cives Corporation Plow assembly with flexible moldboard
SE9102706D0 (sv) * 1991-09-18 1991-09-18 Maehler & Soener En paa ett fundament applicerbar skaeranordning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010001687U1 (de) 2009-03-31 2010-08-12 Wiedenmann Gmbh Räumpflug insbesondere mit mehrteiliger Pflugschar

Also Published As

Publication number Publication date
ATE169077T1 (de) 1998-08-15
DE59406556D1 (de) 1998-09-03
AU6372794A (en) 1995-01-03
WO1994029529A1 (fr) 1994-12-22
EP0656086A1 (fr) 1995-06-07

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