EP3628780A1 - Pistenraupe mit schneebeseitigungsgerät - Google Patents

Pistenraupe mit schneebeseitigungsgerät Download PDF

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Publication number
EP3628780A1
EP3628780A1 EP19199224.7A EP19199224A EP3628780A1 EP 3628780 A1 EP3628780 A1 EP 3628780A1 EP 19199224 A EP19199224 A EP 19199224A EP 3628780 A1 EP3628780 A1 EP 3628780A1
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EP
European Patent Office
Prior art keywords
snow
layer
vehicle
axis
rotary
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19199224.7A
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English (en)
French (fr)
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EP3628780B1 (de
Inventor
Frédéric Charvet
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Individual
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Individual
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Publication of EP3628780B1 publication Critical patent/EP3628780B1/de
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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
    • E01H4/00—Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow
    • E01H4/02—Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow for sporting purposes, e.g. preparation of ski trails; Construction of artificial surfacings for snow or ice sports ; Trails specially adapted for on-the-snow vehicles, e.g. devices adapted for ski-trails
    • 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
    • E01H5/08—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 driven elements
    • E01H5/09—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 driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
    • E01H5/092—Brushing elements

Definitions

  • the present invention relates to snow removal equipment.
  • the invention also relates to a ski slope preparation vehicle comprising such snow clearing equipment.
  • An alpine ski slope consists of a snowpack covering a sloping terrain.
  • the ski slopes are prepared by means of piste maintenance vehicles, commonly called “snow groomers", so that the snowpack is generally smooth.
  • Such a track is devoid of bump, snow accumulation or depression caused by the repeated passage of skiers.
  • the ski slopes can nevertheless include variations in slope linked to the shape of the terrain under the snowpack. The hardness of the ski slope depends on the quality of the snow but also on its maintenance mode.
  • ski slopes For the practice of alpine skiing in competition, we seek to obtain the hardest ski slope possible.
  • the snowpack constituting a ski racing track is in the state of ice, even of cold ice.
  • Obtaining such a ski slope requires special know-how and special attention.
  • such ski slopes are generally moistened in depth in order to harden the snowpack.
  • the preparation of the competition ski slopes is therefore longer and more delicate than the preparation of the ski slopes for alpine skiing in leisure.
  • this preparatory work is partially or completely defeated by climatic conditions.
  • a further snowfall may cover the prepared ski slope. When such an event occurs, you can pack the freshly fallen snow over the underlying hard snow layer and moisten the snowpack again to obtain sufficient hardness.
  • the object of the invention is to provide snow-clearing equipment overcoming the above drawbacks and improving the snow-clearing equipment known from the prior art.
  • the invention makes it possible to produce snow-clearing equipment which makes it possible to snow-clear a ski slope while preserving the integrity of a layer of hard snow or ice under a coat of fresh snow.
  • the discharge means can be positioned substantially at the intersection between the first axis of rotation and the second axis of rotation.
  • the evacuation means can comprise a suction means positioned substantially at the intersection between the first axis of rotation and the second axis of rotation, in particular a rotary propeller, and / or a snow evacuation pipe, the pipe evacuation system comprising an outlet positioned outside an area between the two rotary brushes.
  • the suction means may comprise a rotary propeller, the propeller being movable in rotation about an axis parallel to a longitudinal axis of the vehicle.
  • the evacuation means can be configured to eject snow outside a ski run regardless of the position of the vehicle on the ski run, in particular the evacuation means can be configured to eject snow at a distance from the vehicle greater than or equal to ten meters.
  • the first rotary brush and / or the second rotary brush may comprise a generally cylindrical shape formed by a set of bristles extending radially, in particular in a helical pattern and in particular the bristles being made of polyester.
  • Snow clearing equipment may include a first structure supporting the first rotary brush and a first wheel fixed to the first structure, capable of bearing on a first layer of hard snow or ice under a second layer of fresh snow, the position of the first wheel being adjustable in height relative to the first structure and / or the snow-clearing equipment may comprise a second structure supporting the second rotary brush and a second wheel fixed to the second structure, capable of bearing on a first layer of hard snow or ice under a second layer of fresh snow, the position of the second wheel being adjustable in height relative to the second structure.
  • the first rotary blade can be orientable around a first adjustment axis substantially perpendicular to the surface of a first layer of hard snow or ice under a second layer of fresh snow
  • the second rotary blade can be orientable around a second adjustment axis substantially perpendicular to the surface of a first layer of hard snow or ice under a second layer of fresh snow.
  • the first rotary blade can be movable parallel to a first adjustment axis substantially perpendicular to the surface of a first layer of hard snow or ice under a second layer of fresh snow, and / or it can be orientable around a third adjustment axis substantially parallel to the surface of a first layer of hard snow or ice under a second layer of fresh snow
  • the second rotary brush can be movable parallel to a second adjustment axis substantially perpendicular to the surface of a first layer of hard snow or ice under a second layer of fresh snow, and / or it can be orientable around a fourth adjustment axis substantially parallel to the surface of a first layer of hard snow or ice under a second layer of fresh snow.
  • the ski slope preparation vehicle may include a removable fixing means for fixing the snow removal equipment to a chassis of the vehicle.
  • the ski slope preparation vehicle may include tracks formed by an assembly of transverse bars and pads, in particular rubber pads, arranged transversely between each bar to protect a first layer of hard snow or ice on which the vehicle is moving. .
  • the invention also relates to a method of operating a ski slope preparation vehicle according to one of the preceding claims comprising a step of adjusting the first angle formed between the first axis of rotation and the second axis of rotation in depending on the amount of snow to be evacuated and / or depending on the humidity of snow to be evacuated.
  • the operating method may include a step of evacuating the snow with the evacuation means, the first rotary brush being free to move parallel to the first adjustment axis in reaction to pressing the first rotary brush on a first layer.
  • / or the second rotary brush being free to move parallel to the second adjustment axis in reaction to pressing the second rotary blade on a first layer C1 of hard snow or ice under a second layer of fresh snow
  • / or the second rotary blade being free of s 'orient around the fourth adjustment axis in reaction to pressing the second rotary blade on a first layer C1 of hard snow or ice under a second layer of fresh snow.
  • the figure 1 schematically illustrates a top view of a vehicle 1 for preparing ski slopes according to an embodiment of the invention.
  • Vehicle 1 commonly known as a "snow groomer", is a vehicle capable of traversing snow-covered ski slopes in order to maintain their surface.
  • such vehicles can in particular be manufactured by the companies Leitner® or Kassbschreiber®.
  • Vehicle 1 can, when provided with adequate equipment such as a blade, be used to groom ski slopes, in other words to produce a surface condition of the hard snowpack and smooth.
  • Vehicle 1 is able to move on a snowpack and on sloping ground. For this purpose, it includes a pair of tracks 2 producing an adequate grip on snow.
  • the vehicle 1 can also include a winch to help it move on very steep slopes.
  • the vehicle 1 also comprises a cockpit 3 facing the front of the vehicle inside which an operator responsible for maneuvering the vehicle 1 can take place.
  • the pair of tracks 2 and the cockpit 3 are connected to a chassis 20 of the vehicle 1.
  • the left and the right are defined according to the point of view of the operator responsible for operating the vehicle 1.
  • the X axis designates the longitudinal axis of the vehicle. In forward and in a straight line, the vehicle advances from rear to front in a direction parallel to its longitudinal axis.
  • the Y axis designates the transverse axis of the vehicle. The Y axis is oriented from left to right. The vehicle therefore rests on an XY plane comprising the X and Y axes.
  • the Z axis designates the axis perpendicular to the XY plane.
  • the Z axis is a vertical axis when the vehicle is on horizontal ground.
  • the X, Y and Z axes form an orthogonal coordinate system.
  • the ground positioned in front of the vehicle 1 and on which it is about to move consists of a first layer C1 of hard snow or ice and of a second layer C2 of fresh snow above the first layer C1 .
  • the first layer C1 and the second layer C2 extend parallel to the XY plane.
  • the vehicle 1 is equipped with snow-clearing equipment 4 according to an embodiment of the invention.
  • the snow removal equipment 4 is fixed to the front of the vehicle 1, in front of the operator responsible for maneuvering the vehicle.
  • Snow clearing equipment 4 can be fixed in place of the blade usually used to shape the ski slope, break bumps, plug holes or transport snow.
  • the snow removal equipment 4 comprises two rotary brushes 5A, 5B, a means 6 for evacuating the snow accumulated between the two rotary brushes 5A, 5B and a structure 7 supporting the two rotary brushes 5A, 5B and the means for evacuation 6.
  • a first rotary brush 5A comprises a first axis of rotation A1.
  • a second rotary brush 5B comprises a second axis of rotation A2.
  • the first axis of rotation A1 and the second axis of rotation extend generally in the XY plane.
  • the first axis of rotation A1 forms with the second axis of rotation A2 a first non-zero angle ⁇ 1, that is to say that the two axes of rotation A1 and A2 are not parallel.
  • the two rotary brushes are arranged in a “V”.
  • the two rotary brushes are positioned side by side respectively on the right and on the left of the operator.
  • Each of the two rotary brushes is capable of being driven in rotation by a drive means such as a hydraulic motor.
  • the rotational speed of the rotary brushes can be variable.
  • the direction of rotation of each rotary brush is indicated by arrows F1 on the figure 3 .
  • the direction of rotation is defined so that the snow accumulated between the two rotary brushes is moved upwards (and not folded against the ground), that is to say suspended in the air between the two rotary brushes 5A, 5B.
  • Each of the two rotary brushes, or rotary brush comprises a generally cylindrical shape, formed by a set of bristles extending radially.
  • the shape of each of the two rotary brushes 5A and 5B is identical. More specifically, as it appears on the figure 4 , each rotary brush 5A, 5B may comprise an assembly of rings 8 arranged side by side and contiguously. Each ring 8 may comprise a plurality of tufts of bristles 9 distributed around the periphery of the ring 8. The outside diameter D formed by these bristles 9 may for example be between 50cm and 100cm, in particular it may be approximately equal to 80cm. The length of each rotary brush along its axis of rotation can be adjusted by choosing a number of rings 8 placed side by side.
  • each ring can have a length along its axis of rotation approximately equal to one meter and each rotary brush can include three rings placed end to end.
  • the length of each rotary brush along its axis of rotation can be equal to about three meters. This length could however be different.
  • the bristles can be made from polyester or any other material resistant to cold and water and suitable for moving snow.
  • the figure 9 illustrates a particular arrangement of the bristles 9 according to a helical pattern.
  • the bristles are not distributed uniformly to form the cylindrical shape but are distributed in a plurality of rows parallel to each other and arranged in a helical pattern around the ring 8. Between each row is a volume devoid of bristles.
  • the helical pattern is designed in coherence with the direction of rotation of the rotary brush so as to produce an apparent displacement of the bristles 9 in the direction of the evacuation means 6, that is to say towards the inner end of the rotary brush.
  • the rotation of a rotary broom contributes not only to move the snow upwards but also towards the evacuation means 6.
  • the discharge means 6 is positioned between the two rotary brushes 5A, and 5B. It can be positioned substantially at the intersection between the first axis of rotation A1 and the second axis of rotation A2, that is to say towards the tip of the "V".
  • the discharge means comprises a suction means, in particular a rotary propeller 10 (which can also be called a “turbine”), and a snow discharge pipe 11.
  • the propeller 10 can rotate around an axis of rotation substantially parallel to the longitudinal axis X. It can extend substantially to the inner ends of the two rotary brushes 5A, 5B.
  • the propeller 10 can be rotated by a motor so as to generate an air flow oriented from front to rear. The air flow is guided towards the exhaust pipe 11.
  • the suction means could comprise more than one single propeller. For example two propellers arranged one above the other or one next to the other.
  • the discharge pipe 11 is positioned downstream of the suction means. It includes an inlet connected to the suction means, and an outlet 12 (visible on the figure 1 ) positioned outside the field between the two rotary brushes. In other words, the outlet 12 is positioned outside the surface included inside the "V" so that the snow ejected by the discharge pipe 11 does not fall between the two rotary brushes 5A, 5B.
  • the orientation of the discharge pipe 11 can be modified so as to eject the snow to the right or to the left of the vehicle 1 as required.
  • the evacuation means 6 is advantageously configured to eject snow to the right or to the left of the vehicle outside the ski slope.
  • the evacuation means 6 can advantageously be configured to eject snow at a distance from the vehicle 1 greater than or equal to ten meters.
  • the discharge means 6 can also be configured to eject snow over a shorter distance, in particular just next to the vehicle 1.
  • the snow could also be ejected towards a snow container fixed to the vehicle.
  • the structure 7, which can also be called “frame”, can be a steel frame or any other sufficiently strong material. It breaks down into a first structure 7A supporting the first rotary brush, a second structure 7B supporting the second rotary brush and a third structure 7C supporting the discharge means 6 and a fixing means 13 to the chassis 20 of the vehicle 1.
  • the third structure 7C is positioned between the first structure 7A and the second structure 7B.
  • the first structure 7A and the second structure 7B can take the form of an inverted U, each branch of which supports one end of the first and of the second rotary brush. Bearings can be provided at the interface between the structures 7A and 7B and the rotary brushes 5A and 5B.
  • the attachment means 13 to the chassis 20 of the vehicle 1 may comprise a universal attachment interface or a specific attachment interface to a particular model or a particular brand of vehicle.
  • the third structure 7C is rigidly fixed to the rest of the vehicle 1.
  • the fixing means 13 can comprise a connector allowing to supply energy to the evacuation means and the rotating brushes to rotate them.
  • the fixing means 13 can be removable so as to be able to assemble or disassemble the snow removal equipment to the chassis 20 of the vehicle 1.
  • the figure 10 illustrates a fixing means 13 according to an embodiment of the invention.
  • the fixing means 13 comprises on the one hand two hooks 18A, 18B oriented so that they can be hung on the same horizontal bar secured to the chassis 20 of the vehicle.
  • the fixing means 13 comprises two fixing bolts 19A, 19B mounted free in rotation respectively around the axes Z1 and Z2, both parallel to the axis Z.
  • the two hooks 18A, 18B are substantially positioned towards the center of the third structure 7C.
  • the two fixing bolts 19A, 19B are mounted respectively on the right side and on the left side of the third structure 7C.
  • This fixing means has the advantage of being identical to the fixing means provided on certain blades used for the maintenance of ski slopes. Thus, it is easy to equip a vehicle for preparing ski slopes with snow removal equipment 6 by dismantling the blade initially fixed and by mounting snow removal equipment 6 in place of the blade.
  • the third structure 7C comprises at its lower edge a scraper strip 17, or scraper flap, intended to scrape the first layer C1, under the discharge means 6, during the passage of the snow removal equipment.
  • This scraper strip can be made from rubber or any other equivalent material, both flexible and resistant.
  • the first structure 7A and the second structure 7B can be articulated with respect to the third structure 7C as we will detail below.
  • the first rotary brush is orientable around a first adjustment axis R1 substantially perpendicular to the plane XY on which the vehicle is moving 1.
  • the adjustment axis R1 can be positioned at the interface between the first rotary brush 5A the means evacuation 6, that is to say at the interface between the first structure 7A and the third structure 7C.
  • the second rotary brush 5B can be oriented around a second adjustment axis R2 substantially perpendicular to the plane XY.
  • the first adjustment axis R1 and the second adjustment axis R2 are therefore parallel to the axis Z.
  • the modification of the orientation of the rotary brushes around the adjustment axes R1 and / or R2 leads to a modification of the first angle ⁇ 1.
  • a first adjustment means and a second adjustment means make it possible to modify the orientation of the first rotary brush 5A and of the second rotary brush 5B respectively around the adjustment axes R1 and R2.
  • a single adjustment means can simultaneously adjust the orientation of the first rotary brush and the second rotary brush so that the bisector of the first angle ⁇ 1 remains parallel to the axis X regardless of the value of this angle.
  • the snow removal equipment comprises a first wheel 14A fixed to the outer end of the first structure 7A.
  • the first wheel 14A is able to bear and roll on the first layer C1 of hard snow or ice under the second layer C2 of fresh snow.
  • the position of the first wheel 14A is adjustable in height, that is to say along the axis Z with respect to the first structure 7A.
  • a mechanism comprising a crank can be provided for the height adjustment of the first wheel.
  • the first wheel 14A can be of the jockey wheel type of a trailer of a particular vehicle.
  • the snow clearing equipment also includes a second wheel 14B identical to the first wheel 14A and symmetrically fixed to the second structure 7B.
  • the first rotary brush can also be movable parallel to the first adjustment axis R1.
  • the assembly constituted by the first structure 7A and the first brush 5A can therefore move in translation parallel to the axis Z relative to the third structure 7C.
  • a slide link can be arranged at the interface between the first structure 7A and the third structure 7C.
  • the second rotary brush can also be movable parallel to the second adjustment axis R2.
  • a third adjustment means and a fourth adjustment means such as hydraulic cylinders and / or motors, make it possible to modify the height of the first rotary brush 5A and of the second rotary brush 5B respectively parallel to the adjustment axes R1 and R2 .
  • the first rotary brush 5A can be orientable around a third adjustment axis R3 belonging to the plane XY and perpendicular to the first axis of rotation A1.
  • the assembly constituted by the first structure 7A and the first brush 5A can therefore pivot around the adjustment axis R3 relative to the third structure 7C.
  • the first axis of rotation A1 can thus form a second non-zero angle ⁇ 2 with the plane XY.
  • a pivot link can be arranged at the interface between the first structure 7A and the third structure 7C.
  • the second rotary brush 5B can be orientable around a fourth adjustment axis R4 belonging to the plane XY and perpendicular to the first axis of rotation A1.
  • the second axis of rotation A2 can thus form a third non-zero angle ⁇ 3 with the plane XY.
  • a fifth adjustment means and a sixth adjustment means such as hydraulic cylinders and / or motors, make it possible to modify the orientation of the first rotary brush 5A and of the second rotary brush 5B respectively around the adjustment axes R3 and R4.
  • the snow removal equipment may include three separate articulations for each rotary brush 5A, 5B.
  • a first articulation is obtained by the rotation of the rotary brushes around the adjustment axes R1 and R2.
  • a second articulation is obtained by the displacement of the rotary brushes parallel to the adjustment axes R1 and R2.
  • a third articulation is obtained by the rotation of the rotary brushes around the adjustment axes R3 and R4.
  • Each of these three joints can be left free, be adjusted mechanically, or they can be controlled by the operator via a man-machine interface or they can be controlled automatically by a PLC to which suitable sensors are connected.
  • the second and third joints are left free, that is to say that the rotary brushes are mounted "floating".
  • the snow removal equipment could include only one only one or only two articulations for each of the rotary brushes among the three articulations presented.
  • the third structure 7C can also be mounted free to slide parallel to the axis Z.
  • Wheels 21A, 21B (in particular two wheels 21A, 21B on either side of the scraper strip 17) can advantageously support the third structure. These wheels 21A, 21B can bear on the first layer C1 of hard snow or ice under the second layer C2 of fresh snow.
  • the wheels 21A, 21B can be adjustable in height to adjust a pressure of the scraper strip 17 on the layer C1 of hard snow. It is thus ensured that the scraper strip 17 adopts a position making it possible to effectively scrape off the fresh snow without however supporting the entire weight of the snow removal equipment, and therefore without undergoing excessive wear.
  • An embodiment of the snow removal equipment fitted, the third structure 7C of which is fitted with wheels 21A, 21B is shown diagrammatically on the figure 11 .
  • the figure 8 illustrates a partial view of a track 2 of the vehicle 1 according to an embodiment of the invention.
  • the tracks are formed by an assembly of bars 15 extending parallel to the transverse axis Y.
  • the track 2 also includes pads 16 fixed between each bar.
  • the pads 16 are made of rubber or any other flexible material and adhere to snow.
  • the bars 15 act as spikes and provide the vehicle 1 with sufficient grip to progress on snow or ice.
  • the pads 16 are arranged transversely between each bar and make it possible to reduce the height on which each bar sinks in snow or ice.
  • the pads 16 therefore protect the first layer C1 during the passage of the vehicle.
  • Such skids can be used to equip the tracks of any ski slope preparation vehicle, even if they do not include snow-clearing equipment according to the invention. The use of such skates makes it possible to preserve the surface condition of a ski slope despite the passage of vehicle 1.
  • the second layer C2 of fresh snow is formed above the first layer C1 of hard snow or ice constituting the competition ski track.
  • the vehicle 1 provided with snow-clearing equipment 4 then travels the ski slope forward so that the snow-clearing equipment scans the entire surface of the ski slope.
  • the rotary brushes rotate and suspend the fresh snow constituting the second layer C2 between the two rotary brushes.
  • the speed of rotation of the rotary brushes can be fixed, be adjusted automatically by a controller or adjusted by the operator via a man-machine interface to efficiently lift the snow constituting the second layer C2.
  • the snow forming the second layer C2 is then stirred, destabilized and aerated by the action of the rotary brushes.
  • the V-shaped arrangement of the two rotary brushes and the helical arrangement of the bristles 9 guide the snow thus brewed towards the propeller 10 where it is sucked.
  • the snow is then pumped out of the area delimited by the two rotary brushes via the evacuation pipe 11.
  • the snow forming the second layer C2 cannot pass under the discharge means 6. In addition, this snow cannot escape through the small spaces between the rotary brushes 5A, 5B and the third structure 7C. Thus the entire volume of snow forming the second layer C2 is efficiently evacuated by the evacuation means 6.
  • Snow clearing equipment can also operate when the vehicle is moving in the downhill direction, or even when the vehicle is advancing across a slope.
  • the end of the bristles 9 of the rotary brushes comes into contact with the first layer C1.
  • the contact of the end of the bristles on the layer C1 can be obtained by the own weight of each rotary brush and of the structures 7A and 7B or else by a controlled displacement of the structures 7A and 7B.
  • the first layer C1 is sufficiently hard and / or the bristles 9 are sufficiently flexible so that the rotary brushes do not damage the first layer C1.
  • the value of the first angle ⁇ 1 can be adjusted.
  • the first and second adjustment means can be actuated to define a low value of the first angle ⁇ 1 so as to sweep a moderate weight of snow and avoid jamming of the snow. means of evacuation 6 by snow.
  • the second layer C2 consists of light snow, in other words not very wet, and / or in small quantity, it will be possible to define a value of the first greater angle ⁇ 1 so as to sweep a large area and carry out the maintenance of the ski slope more quickly.
  • each rotary brush may also be requested to match the shape of the terrain.
  • These joints can be controlled by actuating their adjustment means via a man-machine interface or they can be controlled automatically by a PLC to which suitable sensors are connected. These joints can also be left free. In this case, it is the stresses exerted by the snowpack on the rotary brushes which stresses the second and third joints.
  • the pads 16 prevent the bars 15 from sinking deep into the first layer C1.
  • the first layer C1 is therefore not damaged or weakly marked by the passage of the vehicle 1.
  • the pads 16 can be removed to provide the vehicle with increased grip on the snow-covered ground. .
  • the invention it is possible to efficiently and quickly evacuate fresh snow deposited on a competition ski slope.
  • the time required to clear the snow therefore allows ski competitions to be maintained even when a snow shower occurs shortly before the scheduled time for the competition.
  • the invention finds utility in snow removal from any type of surface, and in particular in surface snow removal that can be damaged by the passage of a blade.
  • the invention can also be implemented for snow removal from terraces, or from outdoor skating rinks, or even for snow removal from roads or any type of terrain.
  • the dimensions of the snow removal equipment are then adapted to the terrain to be cleared.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Tires In General (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
EP19199224.7A 2018-09-25 2019-09-24 Pistenraupe mit schneebeseitigungsgerät Active EP3628780B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1858685A FR3086304B1 (fr) 2018-09-25 2018-09-25 Equipement de deneigement muni de deux balais rotatifs agences en v

Publications (2)

Publication Number Publication Date
EP3628780A1 true EP3628780A1 (de) 2020-04-01
EP3628780B1 EP3628780B1 (de) 2021-07-28

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EP19199224.7A Active EP3628780B1 (de) 2018-09-25 2019-09-24 Pistenraupe mit schneebeseitigungsgerät

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EP (1) EP3628780B1 (de)
FR (1) FR3086304B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021211674A1 (de) * 2021-10-15 2023-04-20 Kässbohrer Geländefahrzeug Aktiengesellschaft Computergestütztes Verfahren zur Pflege einer Schneepiste sowie computergestütztes System zur Durchführung des Verfahrens

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH329289A (de) * 1958-01-09 1958-04-30 Peter Ag Konrad Kehrmaschine für Fahrbahnen
FR2116956A5 (de) * 1969-12-22 1972-07-21 Bonato Bernardo
FR2338348A1 (fr) * 1976-01-14 1977-08-12 Oman Officina Macchine Attrezz Vehicule niveleur de pistes enneigees
WO2012169950A1 (en) * 2011-06-08 2012-12-13 Railcare Group Ab Method and device related to snow removal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH329289A (de) * 1958-01-09 1958-04-30 Peter Ag Konrad Kehrmaschine für Fahrbahnen
FR2116956A5 (de) * 1969-12-22 1972-07-21 Bonato Bernardo
FR2338348A1 (fr) * 1976-01-14 1977-08-12 Oman Officina Macchine Attrezz Vehicule niveleur de pistes enneigees
WO2012169950A1 (en) * 2011-06-08 2012-12-13 Railcare Group Ab Method and device related to snow removal

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Publication number Publication date
EP3628780B1 (de) 2021-07-28
FR3086304A1 (fr) 2020-03-27
FR3086304B1 (fr) 2021-04-09

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