EP2093329B1 - Dispositif de travail des pistes de ski à fixage arrière pour un véhicule chenillé - Google Patents

Dispositif de travail des pistes de ski à fixage arrière pour un véhicule chenillé Download PDF

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Publication number
EP2093329B1
EP2093329B1 EP20090002097 EP09002097A EP2093329B1 EP 2093329 B1 EP2093329 B1 EP 2093329B1 EP 20090002097 EP20090002097 EP 20090002097 EP 09002097 A EP09002097 A EP 09002097A EP 2093329 B1 EP2093329 B1 EP 2093329B1
Authority
EP
European Patent Office
Prior art keywords
finisher
piste grooming
grooming device
axis
housing
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.)
Active
Application number
EP20090002097
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German (de)
English (en)
Other versions
EP2093329A3 (fr
EP2093329A2 (fr
Inventor
Hans-Martin Nusser
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.)
Kassbohrer Gelandefahrzeug AG
Kaessbohrer Gelaendefahrzeug AG
Original Assignee
Kassbohrer Gelandefahrzeug AG
Kaessbohrer Gelaendefahrzeug AG
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.)
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Publication date
Application filed by Kassbohrer Gelandefahrzeug AG, Kaessbohrer Gelaendefahrzeug AG filed Critical Kassbohrer Gelandefahrzeug AG
Publication of EP2093329A2 publication Critical patent/EP2093329A2/fr
Publication of EP2093329A3 publication Critical patent/EP2093329A3/fr
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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

Definitions

  • the invention relates to a piste working device for a rear attachment to a tracked vehicle with a mounting frame, which is connectable to the tracked vehicle, and with a Pistenbearbeitungsaku and with a finisher, which includes a Heckfinisher and two laterally arranged side finisher; see eg FR-A-1 555 122 ,
  • finisher is a technical term used by professional circles. A finisher was once called a smoothing blade or a smoothing board.
  • a well-known slope processing machine in the form of a rear-end mill for a tracked vehicle has a milling housing, which is held on a rear implement carrier.
  • the rear implement carrier can be connected to a rear-side carrying device of the tracked vehicle.
  • one or two cutting shafts are arranged, which can be set in rotation by a hydraulic drive.
  • a smoothing device or finishing device which comprises a rear finisher and two side finishers arranged laterally in the region of the milling housing, adjoins the milling housing.
  • the side finisher are arranged rigidly in their functional position relative to the milling housing.
  • both side finishers can be brought into a transport position by being folded laterally folded to a corresponding end face of the milling housing.
  • each side finisher is attached via a hinge axis to the corresponding end face of the milling housing.
  • the hinges In the functional or operating position of the side finisher, in which they rest on the snow surface, the hinges have no function. Rather, in this position, they form a quasi-rigid connection between the milling housing and the side finisher.
  • the side finishers are used to press flat edge snow dams, which build up during the milling operation of the rear tiller on both sides of the milling housing by outwardly displaced quantities of snow.
  • the object of the invention is to provide a Pistenbearbeitungs réelle of the aforementioned type, which allows an improved smoothing function of the side finisher.
  • the side finisher are mounted in an operating position by means of a hinge portion movable on the mounting frame.
  • Under the mounting frame is a generic term for all types of support structures for the corresponding Pistenbearbeitungs functional unit to understand.
  • the joint region comprises a rotary joint whose axis of rotation is oriented at least substantially transversely to a pulling direction of the finisher device.
  • the slope processing device is designed as a rear milling cutter
  • the axis of rotation of the rotary joint is preferably aligned parallel to a milling axis of a milling shaft.
  • Under the pulling direction of the finisher device is the towing direction of the piste working device to understand in which the Pistenbearbeitungs réelle is pulled in its attached to the tracked vehicle functional position.
  • each side finisher is connected by means of a bracket to the joint area.
  • the holder protrudes substantially radially to a rotational axis of the joint region, so as to achieve a lever effect created by the dead weight of each side finisher.
  • the holder comprises a support arm, which is preferably directed in the towing direction forward.
  • the support arm has an extension component in the pulling direction of the Pistenbearbeitungsauss in particular forward or back, so that each side finisher at a radial distance from a rotation axis of the joint area is positioned. Due to the extent of the support arm forward greater smoothing forces due to the weight of each side finisher on the snow surface can be applied as in an extension of the support arm to the rear.
  • control means are provided for increasing a contact pressure of each side finisher on a snow surface in its operating position. This further improves the smoothing capabilities of the side finisher.
  • a mechanical spring device is provided as a control means, which acts on the holder for the respective side finisher.
  • each side finisher can be folded relative to the holder in a transport position to the mounting frame.
  • the term of the mounting frame is to be understood generally as the support or receiving part, which includes the corresponding processing function.
  • the mounting frame is in particular a receiving box, a receiving housing or a receiving frame for corresponding cutting shafts.
  • a milling box or housing is arranged relative to a Heckieriashi about a parallel to the axis of rotation of at least one milling shaft parallel pivot axis adjustable.
  • the axis of rotation for each side finisher extends at least substantially coaxially with a pivot axis of the milling box relative to the rear implement carrier.
  • a slope processing device in the form of a tail mill 1 after the Fig. 1 and 2 has a support frame 3, which can be releasably connected in a basically known manner by means of a holding device 2 with a rear implement carrier, not shown, a tracked vehicle in the form of a snow groomer.
  • the rear tiller 1 is connectable by means of a corresponding hydraulic and control line with a vehicle hydraulic system and a vehicle control of the tracked vehicle.
  • a milling housing 5 is articulated by means of corresponding housing support 4 pivotally adjustable.
  • the milling housing 5 extends approximately over a vehicle width of the tracked vehicle and is - seen in the normal direction of travel of the tracked vehicle and thus in the pulling direction of the rear grinder 1 - hinged on the rear side about a transverse to the pulling direction pivot axis 11 on the support frame 3 pivotally.
  • the milling housing 5 carries one or two coaxially adjacent cutter shafts 6, which are mounted rotatably in the milling housing 5.
  • a hydraulic motor 7 is provided, which in the illustrated embodiment is arranged on the front side of the respective housing side of the cutter housing 5.
  • a rear finisher 8 adjoins the milling housing 5, which extends over at least the entire width of the milling housing 5, viewed in the vehicle transverse direction.
  • the Heckfinisher 8 represents a flexible smoothing blade, which is associated with a unspecified support means, which allows a uniform contact pressure on a snow surface, regardless of the position of the milling housing 5.
  • the milling housing 5 is by means of at least one hydraulic cylinder 17 which is supported on the support frame 3 on the one hand and the housing support 4 on the other hand, pivotally adjustable about the pivot axis 11 and fixed in the set position.
  • the support frame 3, the housing support 4 and the milling housing 5 together form a mounting frame in the context of the invention.
  • a holder for a respective side finisher 9 is hinged at the front end on the respective outer side of the housing of the milling housing 5 in a pivotable manner, which comprises a support arm 10.
  • the support arm 10 is rotatably supported on the end face of the milling housing 5 by means of a rotary joint whose axis of rotation is aligned coaxially with the pivot axis 11.
  • the support arm 10 protrudes approximately radially to the pivot axis 11 substantially forward - relative to the normal direction of the rear tiller 1 - from.
  • the support arm 10 has a slight V-shape, as from the Fig. 1 and 2 can be seen in order to be guided past the end-mounted hydraulic motor 7 for the respective milling shaft 6 can.
  • the support arm 10 opens into a holding plate for the side finisher 9, wherein the side finisher 9 is articulated by means of a hinge joint 12 on the support plate.
  • the hinge joint 12 has an upright or obliquely forwardly extending hinge axis, which allows folding of the side finisher 9 to the milling housing 5 for a transport position.
  • a hydraulic cylinder 13 is provided which is articulated on the milling housing 5 on the one hand and on the side finisher 9 on the other hand.
  • the hydraulic cylinder 13 serves to fix the side finisher 9 in its operating function as well as to block the side finisher 9 in the folded transport position.
  • each side finisher 9 is assigned a control means, in the present case in the form of a helical tension spring 14, which is formed on the support arm 10 via a small lever extension 15 which is rotationally fixed to the support arm 10 10 attacks.
  • the helical tension spring 14 extends approximately horizontally parallel to the end face of the milling housing 5 to the front and is held on the opposite side of the lever extension 15 on a bearing bracket 16 which serves as an abutment to the lever extension 15 on the milling housing 5.
  • the helical tension spring 14 exerts on the support arm 10 - according to the illustration Fig. 1 based - a torque in the counterclockwise direction, so that the side finisher 9 is pressed in addition to its own weight with increased force against the snow surface down.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Agricultural Machines (AREA)
  • Soil Working Implements (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Harvester Elements (AREA)

Claims (7)

  1. Dispositif de travail des pistes à monter à l'arrière d'un véhicule chenillé, avec un cadre de montage (3, 4, 5) pouvant être relié au véhicule chenillé, ainsi qu'avec une unité de travail des pistes (6) et un dispositif de finition (8, 9), comprenant un module arrière de finition (8) ainsi que deux modules latéraux de finition (9), sachant que
    les modules latéraux de finition (9) sont disposés dans une position de fonctionnement de manière à pouvoir pivoter sur le cadre de montage (3 à 5) au moyen de respectivement une section articulée (10, 11), caractérisé en ce qu'un boîtier de fraise (5) est disposé de manière à pouvoir être déplacé par rapport à un cadre porteur (3) du cadre de montage (3 à 5) autour d'un axe de pivotement (11) orienté parallèlement à l'axe de rotation d'au moins un arbre de fraisage (6), et qu'un axe de rotation pour le module latéral de finition respectif (9) s'étend au moins en grande partie coaxialement à l'axe de pivotement (11) du boîtier de fraise (5) par rapport au cadre porteur (3).
  2. Dispositif de travail des pistes selon la revendication 1, caractérisé en ce que la section articulée comprend une articulation tournante, dont l'axe de rotation est orienté au moins en grande partie transversalement par rapport à une direction de traction du dispositif de finition (8, 9).
  3. Dispositif de travail des pistes selon la revendication 1, caractérisé en ce que chaque module latéral de finition (9) est relié à la section articulée au moyen d'un support (10).
  4. Dispositif de travail des pistes selon la revendication 3, caractérisé en ce que le support comprend un bras porteur (10) qui est orienté de préférence vers l'avant dans la direction de traction.
  5. Dispositif de travail des pistes selon la revendication 1, caractérisé en ce que sont prévus des moyens de commande (14) pour augmenter une pression de contact de chaque module latéral de finition (9) sur une surface enneigée dans sa position de fonctionnement.
  6. Dispositif de travail des pistes selon la revendication 5, caractérisé en ce qu'est prévu, en tant que moyen de commande, un dispositif mécanique à ressort (14) qui agit sur le bras porteur (10).
  7. Dispositif de travail des pistes selon la revendication 3, caractérisé en ce que chaque module latéral de finition (9) peut être rabattu par rapport au support dans une position de transport en direction du cadre de montage (3 à 5).
EP20090002097 2008-02-21 2009-02-16 Dispositif de travail des pistes de ski à fixage arrière pour un véhicule chenillé Active EP2093329B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810011484 DE102008011484B4 (de) 2008-02-21 2008-02-21 Pistenbearbeitungsgerät für einen Heckanbau an ein Kettenfahrzeug

Publications (3)

Publication Number Publication Date
EP2093329A2 EP2093329A2 (fr) 2009-08-26
EP2093329A3 EP2093329A3 (fr) 2010-05-12
EP2093329B1 true EP2093329B1 (fr) 2013-01-09

Family

ID=40599609

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090002097 Active EP2093329B1 (fr) 2008-02-21 2009-02-16 Dispositif de travail des pistes de ski à fixage arrière pour un véhicule chenillé

Country Status (2)

Country Link
EP (1) EP2093329B1 (fr)
DE (1) DE102008011484B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020215732A1 (de) * 2020-12-11 2022-06-15 Kässbohrer Geländefahrzeug Aktiengesellschaft Heckfräse für eine Pistenraupe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1555122A (fr) * 1967-02-20 1969-01-24
DE3333942A1 (de) * 1983-09-20 1985-03-28 Karl Kässbohrer Fahrzeugwerke GmbH, 7900 Ulm Schneefahrzeug
DE9212233U1 (de) * 1992-09-10 1992-11-12 Karl Kässbohrer Fahrzeugwerke GmbH, 7900 Ulm Vorrichtung zum Verdichten von Schnee
IT1313729B1 (it) * 1999-09-15 2002-09-17 Leitner Spa Gruppo di fresatura per la battitura di piste innevate

Also Published As

Publication number Publication date
DE102008011484A1 (de) 2009-09-03
EP2093329A3 (fr) 2010-05-12
DE102008011484B4 (de) 2010-08-05
EP2093329A2 (fr) 2009-08-26

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