EP2975180B1 - Dispositif destiné à tracer des pistes de ski de fond, procédé de préparation de pistes de ski de fond et véhicule dameur de piste équipé d'un agencement destiné à tracer des pistes de ski de fond - Google Patents

Dispositif destiné à tracer des pistes de ski de fond, procédé de préparation de pistes de ski de fond et véhicule dameur de piste équipé d'un agencement destiné à tracer des pistes de ski de fond Download PDF

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Publication number
EP2975180B1
EP2975180B1 EP14177134.5A EP14177134A EP2975180B1 EP 2975180 B1 EP2975180 B1 EP 2975180B1 EP 14177134 A EP14177134 A EP 14177134A EP 2975180 B1 EP2975180 B1 EP 2975180B1
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EP
European Patent Office
Prior art keywords
track
cross
open
country ski
country
Prior art date
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Application number
EP14177134.5A
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German (de)
English (en)
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EP2975180A1 (fr
Inventor
Claus Dangel
Bruno Koch
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.)
Prinoth SpA
Original Assignee
Bachler Top Track AG
BAECHLER TOP TRACK AG
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Publication date
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Priority to EP14177134.5A priority Critical patent/EP2975180B1/fr
Publication of EP2975180A1 publication Critical patent/EP2975180A1/fr
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Publication of EP2975180B1 publication Critical patent/EP2975180B1/fr
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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
    • 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

Definitions

  • the present invention relates to a device for tracing cross-country trails and a method for preparing cross-country trails and a snow groomer with a device for tracing cross-country trails according to the preambles of the independent claims.
  • Cross-country trails include two individual tracks at a desired distance, which the cross-country skis can steer and pick up in predetermined paths. Such tracks are pre-tracked using cross-country track devices in order to obtain a safe and comfortable track for cross-country skiers.
  • a cross-country track device which is pulled through the snow by a pulling harness and creates a corresponding cross-country track.
  • the device comprises a doctor blade, which presses the snow in a first step and gives it the so-called groove structure.
  • the cross-country track device includes toe-in bodies, which press a first track into the fresh snow. Knives are arranged behind the toe-in body, which tear the track to the desired size.
  • a doctor blade is arranged behind the knives, which presses snow that has fallen back into the track again. Downstream are track bodies, which press snow that has fallen back into the track and give the track its final shape.
  • Such a device is complex to manufacture and requires different settings depending on the snow conditions.
  • This cross-country track device requires a high drive power and, due to the extensive mechanical processing of the snow, a high pulling power of the pre-tensioned pulling device.
  • the object of the invention is to overcome the disadvantages of the prior art.
  • a cross-country track device is to be made available which is easy to use, requires little or no additional energy and improves the quality of the cross-country track.
  • a device for tracing cross-country trails comprises a plurality of track-pulling bodies for tracing a cross-country track.
  • the device comprises several tear-open devices for tearing open ground as well as a milling device.
  • the milling device is arranged in a direction of travel of the device in front of the track-drawing bodies and after the tear-open devices.
  • a tear-open device is assigned to each track-drawing body, which tears open only an area corresponding to the width of the track-drawing body. The tear-open device is thus arranged in the direction of travel of the device in front of the respective track-pulling body.
  • the individual assignment of a tear-open device to the individual track bodies enables the substrate to be torn open at the point at which the cross-country track is drawn with the track draw bodies.
  • the spaces between the individual tear devices remain free.
  • the precise and precise tearing of the subsurface reduces the amount of energy that has to be introduced into the device.
  • the subsurface is only partially torn open.
  • the device is less susceptible to different surface conditions.
  • the surface in the present case, for example, loose snow or already pressed snow, can be worked on evenly.
  • the device is also particularly suitable for processing very hard snow or ice.
  • the tear-open device is understood to mean the part of a device which engages or can engage in the substrate and the substrate in a desired one Area torn open
  • An external dimension of the tear-open device also relates to the part or area of the tear-open device which engages or can engage in the subsurface.
  • a space between the individual tear-open devices is preferably free, so that the subsoil, which is located between the tear-open devices and subsequently between the individual cross-country tracks, is not processed. The energy expenditure for tearing open and traces is thus minimized.
  • the track-drawing bodies are preferably arranged side by side in pairs.
  • the associated tear-open devices are also arranged in pairs in a direction of travel of the device in front of the respective track-pulling body.
  • the device is designed such that the ratio of an outer dimension of the tear-open device transverse to the cross-country track to an outer dimension of the track-pulling body does not exceed 2: 1 and preferably [1.5: 1] and particularly preferably [1.1: 1].
  • the external dimension of the tear-open device is essentially understood to mean the dimension of the area torn open.
  • the ripping device of the device preferably has cutting knives.
  • Cutting knives are able to cut the subsurface, which reduces the resistance of the device when pulling through the subsurface and thus also reduces the energy expenditure for pulling the device.
  • Cutting knives can preferably be exchangeable. For example, different cutting knives with different cutting geometries are conceivable for different subsurface conditions. This also simplifies maintenance, as worn or damaged cutting knives can be replaced quickly and easily.
  • the milling device can have a milling drum.
  • the milling device preferably has an engagement depth which does not exceed a track depth of the cross-country ski track and is preferably at most 50% and preferably at most 30% of the track depth.
  • the engagement depth is particularly preferably 10% to 15% of the track depth. This also enables the energy input to be reduced. Depending on the nature of the surface, and especially in the case of existing cross-country ski trails that are topped up, it is possible and it suffices to process the track only in the area of the surface of the subsurface.
  • the device for tracing cross-country trails has exactly one milling device which is arranged between track-pulling bodies and tear-open devices.
  • the tear-open devices are arranged in the direction of travel of the arrangement in front of the respective track-pulling body.
  • the arrangement with a single milling device simplifies the structure of the arrangement.
  • the surface of the subsurface can be milled evenly across the width of several track-drawing elements. This means that a homogeneous cross-country ski run can be created.
  • a common milling device is assigned to a plurality of track-drawing bodies and has an external dimension transverse to the cross-country track, which has a common dimension of the Track-drawing body transversely to the cross-country track and in particular exceeds a common dimension of the tear-open devices transversely to the cross-country track.
  • This dimension preferably exceeds the aforementioned dimensions by at least 5% and more preferably by at least 10%.
  • the device can be pulled by a towing vehicle or can be arranged behind a towing vehicle in the direction of travel.
  • the towing vehicle typically leaves lanes in the ground.
  • Towing vehicles are manufactured in different sizes and have different widths. Typically, towing vehicles are 2.5m, 2.8m, 3.2m, 4.3m or 4.5m wide and leave a correspondingly wide lane.
  • the external dimension of the common milling device is preferably larger than an external dimension of the lane. Lanes of the towing vehicle can thus also be milled over, so that a uniform surface can be obtained.
  • a common outer dimension of the tear-open devices transversely to the cross-country track preferably exceeds a common outer dimension of the track-pulling bodies transversely to the cross-country track.
  • the common outer dimension of the tear-open devices preferably exceeds the common outer dimension of the track-pulling bodies by at least 5%, preferably by at least 10%.
  • the ripping device only processes the surface in the area in which the track-pulling bodies draw the cross-country trail.
  • the energy input that has to be applied for the device and the tracing of the cross-country track has to be applied is reduced.
  • the milling device of the arrangement can have an engagement depth which does not exceed a track depth of the cross-country ski track and is preferably a maximum of 50% and preferably a maximum of 30% of the track depth.
  • the engagement depth is particularly preferably 10% to 15% of the track depth.
  • the subsurface is torn open by means of the tear-open device assigned to the respective track-drawing body in an area which only corresponds to the width of the track-drawing body.
  • the torn area does not exceed a ratio of 2: 1 and preferably 1.5: 1 and particularly preferably 1.1: 1 to an external dimension of the cross-country ski track transverse to the cross-country ski track.
  • This procedure enables the precise introduction of energy in the area of the later cross-country track and thus reduces the total energy expenditure that must be used to trace cross-country trails.
  • the subsurface is preferably milled to an engagement depth that does not exceed a track depth of the cross-country ski track and is preferably a maximum of 50% and particularly preferably a maximum of 30% of the track depth.
  • the engagement depth is particularly preferably 10% to 15% of the track depth.
  • the subsurface is preferably milled in an area which exceeds an external dimension of the cross-country ski track transverse to the cross-country ski track and in particular an external dimension of the torn area, preferably by at least 5% and particularly preferably by at least 10%.
  • Another aspect of the invention relates to a towing vehicle and in particular a snow groomer with a device as described here.
  • the device With the snow groomer, the device can be pulled in the direction of travel. The energy consumption for the production of cross-country trails and the energy requirement of the snow groomer is reduced. The snow groomer can move faster, which saves time when tracing the cross-country trails.
  • FIG 1 shows a schematic representation of a device 100 for tracing cross-country trails in a perspective representation.
  • Two caterpillars 20 of a snow groomer are indicated.
  • the device 100 is connected to the snow groomer and is pulled by it.
  • the snow groomer with its caterpillars 20 and the device 100 are located on a surface, in the present case pressed snow.
  • two cross-country trails from parallel trail tracks 30 are indicated (only one designated).
  • a tear-open device 11 which is arranged in the direction of travel F in front of a milling device 12.
  • the track-drawing body (cf. Figure 3 ) are not shown here for a better overview.
  • FIG. 2 shows a schematic representation of a pair of tear-open devices 11 in a perspective view.
  • Sliding shoes 110 are assigned to the tear-open devices 11.
  • the sliding shoes 110 rest on the surface of the subsurface and prevent the tear-open devices 11 from sinking too deeply into the subsurface.
  • the tear-open devices 11 and the sliding shoes 110 assigned to them are arranged on a cross member 111 which can be fastened to a snow groomer.
  • the height of the tear-open devices can be adjusted via hydraulic cylinders 112. With the hydraulic cylinders 112, the contact pressure of the tearing devices 11 against the ground can also be adjusted.
  • FIG 3 shows a schematic view of a device 100 according to the invention in a side view.
  • the direction of travel F of the device 100 is shown with an arrow.
  • a ripping device 11 behind which a milling device 12 with a milling drum 120 is arranged.
  • a cover 121 which milled the Holds back snow.
  • a track-drawing body 10 is arranged after the milling device 12.
  • the dash-dotted line 32 represents the surface of the substrate.
  • the dash-dotted line 31 represents the area up to which the substrate is milled with the milling device 12.
  • the engagement depth of the tear-open device is clearly below the milling depth 31 and corresponds essentially to the track depth S ( Figure 4 ).
  • Figure 4 shows a schematic view of a cross section through a cross-country trail with trail tracks 30, the individual dimensions Figure 3 are also shown.
  • the cross-country ski run consists of two tracks 30, which are arranged side by side.
  • the trail tracks 30 are located in the underground with a surface 32.
  • the trail tracks 30 have a track depth S and an external dimension AL.
  • the ground is torn open to a depth which essentially corresponds to the track depth S.
  • the subsurface is then milled to a depth T, which in the present case is approximately 25% of the track depth S.
  • the milled surface is designated with the reference symbol 31.
  • Figure 5 shows a schematic representation of a device 100 not according to the invention in a top view.
  • a second device 100 is arranged parallel to the first device 100.
  • Such a paired arrangement enables direct tracing of a cross-country ski run.
  • Shown in the direction of travel F is a tear-open device 11, followed by a milling device 12, again followed by a track-pulling body 10.
  • the tear-open device 11 has an outer dimension AA, which in the present case corresponds to approximately 1.1 times the outer dimension AS of the track-pulling body 10.
  • the milling device 12 has an outer dimension AF, which in the present case corresponds to approximately 1.8 times the outer dimension AA of the tear-open device.
  • the space between the devices 100 arranged in pairs in parallel is free.
  • Figure 6 shows a schematic representation of a device 100 according to the invention with a plurality of track-drawing bodies 10 and tear-open devices 11.
  • the arrangement comprises two tear-open devices 11, a milling device 12 and two track-drawing bodies 10, seen in the direction of travel F.
  • the milling device 12 is assigned to several and in the present case to all track-drawing bodies 10.
  • the tear-open devices 11 have a common outer dimension AGA, which in the present case corresponds to approximately 1.1 times a common outer dimension AGS of the track-pulling body.
  • the milling device 12 has an outer dimension AF, which corresponds to approximately 120% of the common outer dimension AGA of the ripping device.
  • Figure 7 shows a further embodiment of a device 100 with a plurality of track-pulling bodies 10.
  • a plurality of tear-open devices 11, followed by a milling device 12, further followed by a plurality of track-pulling bodies 10 are arranged.
  • the milling device 12 is assigned to several, and in the present case to all, the track-drawing bodies 10.
  • the tear-open devices 11 have a common outer dimension AGA, which corresponds to approximately 1.05 times a common outer dimension AGS of the track-drawing body.
  • the milling device 12 has an outer dimension, which in the present case corresponds to approximately 1.1 times the common outer dimension AGA of the ripping device.

Claims (11)

  1. Dispositif (100) destiné à tracer des pistes de ski de fond, comprenant plusieurs corps de traçage tractés (10) destinés à tracer une trace de piste de ski de fond, plusieurs dispositifs de labourage (11) destinés à labourer le sol et un dispositif de fraisage (12),
    dans lequel un dispositif de labourage (11) est affecté à chaque corps de traçage tracté et ne laboure que sur une zone correspondant à la largeur du corps de traçage tracté,
    le rapport entre la dimension extérieure (AA) de chaque dispositif de labourage (11) qui est transversale à la trace de la piste de ski de fond et la dimension extérieure (AS) de chaque corps de traçage tracté (10) n'est pas supérieur à 2:1,
    caractérisé en ce que, dans une direction de déplacement du dispositif (100), précisément un dispositif de fraisage (12) est disposé devant les corps de traçage tractés (10) et derrière les dispositifs de labourage (11), et le dispositif de fraisage (12) est affecté à plusieurs corps de traçage tractés et présente une dimension extérieure (AF) transversale à la trace de la piste de ski de fond qui est supérieure à une dimension commune (AGS) des corps de traçage tractés (10) transversale à la trace de la piste de ski de fond.
  2. Dispositif (100) selon la revendication 1, caractérisé en ce que le rapport entre la dimension extérieure (AA) de chaque dispositif de labourage (11) qui est transversale à la trace de la piste de ski de fond et la dimension extérieure (AS) de chaque corps de traçage tracté (10) n'est pas supérieur à 1,5:1 et, de préférence, n'est pas supérieur à 1,1:1.
  3. Dispositif (100) selon l'une quelconque des revendications 1 et 2, caractérisé en ce que les dispositifs de labourage (11) comportent des lames de coupe.
  4. Dispositif (100) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de fraisage (12) comporte un tambour de fraisage (120).
  5. Dispositif (100) selon l'une quelconque des revendications 1 à 4, le dispositif de fraisage (12) présentant une profondeur de taille (T) qui n'est pas supérieure à une profondeur de trace (S) de la trace de la piste de ski de fond et dont le maximum est préférablement égal à 50 %, plus préférablement égal à 30 % et très préférablement compris entre 10 et 15 % de la profondeur de trace (S) .
  6. Dispositif (100) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la dimension extérieure (AF) du dispositif de fraisage (12) est supérieure, préférablement d'au moins 5 % et plus préférablement d'au moins 10 %, à la dimension commune (AGS) des corps de traçage tractés (10) qui est transversale à la trace de la piste de ski de fond, et à une dimension commune (AGA) des dispositifs de labourage (11) qui est transversale à la trace de la piste de ski de fond.
  7. Dispositif (100) selon la revendication 1, caractérisé en ce que la dimension commune (AGA) des dispositifs de labourage (11) est supérieure, préférablement d'au moins 5 % et plus préférablement d'au moins 10 %, à la dimension commune (AGS) des corps de traçage tractés (10).
  8. Procédé de préparation de pistes de ski de fond à l'aide d'un dispositif (100) selon l'une quelconque des revendications 1 à 7, comprenant les étapes de :
    - labourage d'un sol ;
    - surfaçage par fraisage du sol labouré ; et
    - traçage du sol,
    dans lequel
    le dispositif de labourage affecté à chaque corps de traçage tracté ne laboure le sol que sur une zone correspondant à la largeur du corps de traçage tracté, dans lequel un rapport entre la zone labourée et une dimension extérieure (AL) de la trace de la piste de ski de fond et transversale à celle-ci n'est pas supérieur à 2:1 et de préférence à 1,5:1 et très préférablement à 1,1:1.
  9. Procédé selon la revendication 8, dans lequel le sol est surfacé par fraisage jusqu'à une profondeur de taille (T) qui n'est pas supérieure à une profondeur de trace (S) de la trace de la piste de ski de fond et dont le maximum est préférablement égal à 50 %, plus préférablement à 30 % et très préférablement est compris entre 10 et 15 % de la profondeur de trace (S).
  10. Procédé selon l'une quelconque des revendications 8 et 9, caractérisé en ce que le sol est surfacé par fraisage sur une zone qui dépasse une dimension extérieure (AL) de la trace de la piste de ski de fond transversale à cette dernière, et en particulier qui dépasse une dimension extérieure de la zone labourée, préférablement d'au moins 5 % et plus préférablement d'au moins 10 %.
  11. Tracteur, et en particulier véhicule de piste, doté d'un dispositif selon l'une quelconque des revendications 1 à 7.
EP14177134.5A 2014-07-15 2014-07-15 Dispositif destiné à tracer des pistes de ski de fond, procédé de préparation de pistes de ski de fond et véhicule dameur de piste équipé d'un agencement destiné à tracer des pistes de ski de fond Active EP2975180B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14177134.5A EP2975180B1 (fr) 2014-07-15 2014-07-15 Dispositif destiné à tracer des pistes de ski de fond, procédé de préparation de pistes de ski de fond et véhicule dameur de piste équipé d'un agencement destiné à tracer des pistes de ski de fond

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14177134.5A EP2975180B1 (fr) 2014-07-15 2014-07-15 Dispositif destiné à tracer des pistes de ski de fond, procédé de préparation de pistes de ski de fond et véhicule dameur de piste équipé d'un agencement destiné à tracer des pistes de ski de fond

Publications (2)

Publication Number Publication Date
EP2975180A1 EP2975180A1 (fr) 2016-01-20
EP2975180B1 true EP2975180B1 (fr) 2019-12-25

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EP14177134.5A Active EP2975180B1 (fr) 2014-07-15 2014-07-15 Dispositif destiné à tracer des pistes de ski de fond, procédé de préparation de pistes de ski de fond et véhicule dameur de piste équipé d'un agencement destiné à tracer des pistes de ski de fond

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT375557B (de) * 1979-07-13 1984-08-27 Baechler Anton R Spur- und/oder planiergeraet fuer ski-loipen bzw. pisten
DE3206976A1 (de) 1981-03-20 1982-09-30 Kempf + Co AG Förder- und Lagertechnik, 9100 Herisau Langlauf-spurgeraet
DE3420210C2 (de) 1984-05-30 1986-04-10 Anton R. Hergiswil Bächler Vorrichtung zum Spuren und/oder Planieren von Langlaufloipen
IT1403595B1 (it) * 2010-12-21 2013-10-31 Rolic Invest Sarl Metodo per formare tracce in un manto nevoso, in particolare per realizzare una pista di sci di fondo, e relativo dispositivo tracciatore

Non-Patent Citations (1)

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

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