EP4012103B1 - Arbre fraiseur pour une fraise arrière d'une dameuse et fraise arrière - Google Patents

Arbre fraiseur pour une fraise arrière d'une dameuse et fraise arrière Download PDF

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Publication number
EP4012103B1
EP4012103B1 EP21213067.8A EP21213067A EP4012103B1 EP 4012103 B1 EP4012103 B1 EP 4012103B1 EP 21213067 A EP21213067 A EP 21213067A EP 4012103 B1 EP4012103 B1 EP 4012103B1
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EP
European Patent Office
Prior art keywords
shaft
tilling
milling
snow
blade elements
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
EP21213067.8A
Other languages
German (de)
English (en)
Other versions
EP4012103A1 (fr
Inventor
Andreas Behmüller
Daniel Hartmann
Claudius Henger
Sven HOLZAPFEL
Martin Mangold
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
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Publication date
Application filed by Kassbohrer Gelandefahrzeug AG, Kaessbohrer Gelaendefahrzeug AG filed Critical Kassbohrer Gelandefahrzeug AG
Publication of EP4012103A1 publication Critical patent/EP4012103A1/fr
Application granted granted Critical
Publication of EP4012103B1 publication Critical patent/EP4012103B1/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 milling shaft When the snow groomer is in operation with the rear milling machine attached, the milling shaft is driven in such a way that the snow grains milled by the milling shaft on the snow surface to be worked on are thrown upwards and forwards in front of the milling shaft from behind over about three-quarters of a turn of the milling shaft.
  • the snow grains are constantly thrown against a baffle wall on the milling box that surrounds the milling shaft, from which they are thrown back onto the rotating milling teeth of the milling shaft. This inevitably results in the snow grains being crushed.
  • a smoothing device with an elastically movable finisher is provided on the milling box, which smooths and presses the crushed snow grains together.
  • this task is solved by providing, in addition to the milling teeth, several blade elements distributed over the cylinder jacket, which, when the milling shaft is in milling operation, carry snow and ice particles in the direction of rotation of the milling shaft over at least half a revolution of the milling shaft.
  • the snow and ice particles form the different snow grain sizes.
  • the solution according to the invention at least largely avoids defects in a machined snow slope surface. Such defects are holes in the form of negative defects and lumps in the form of positive defects.
  • the blade elements are designed to be straight or curved or angled.
  • the curvature or angle is preferably designed in such a way that pocket-like receptacles are formed by the blade elements in the blade direction.
  • a radial height of a blade element is less than a radial height of a milling tooth.
  • the radial height of the blade element is less than half the height of the milling tooth. This embodiment ensures that the milling function of the milling teeth and the blade function of the blade elements complement each other well.

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

Claims (8)

  1. Tambour de fraisage (2) pour une fraiseuse arrière (1) d'une dameuse pour le traitement d'une surface enneigée, avec un corps de tambour cylindrique (6) doté d'un couvre-cylindre (7) duquel dépasse vers l'extérieur une multitude de dents de fraisage (8) qui sont disposées réparties sur le couvre-cylindre (7), caractérisé en qu'en plus des dents de fraisage (8), plusieurs éléments en forme d'ailettes (9) sont prévus, répartis sur le couvre-cylindre (7), lesquels éléments amènent, dans un mode de fraisage du tambour de fraisage (2), des particules de neige et de glace en direction du tambour de fraisage (2) sur au moins une demi-rotation du tambour de fraisage (2), que les éléments en forme d'ailettes (9) sont étendus dans les interstices entre les dents de fraisage (8) adjacentes, et que chaque élément en forme d'ailette (9) dépasse du couvre-cylindre (7) au moins essentiellement radialement et dans le sens longitudinal du corps de tambour (6).
  2. Tambour de fraisage (2) selon la revendication 1, caractérisé en ce que les éléments en forme d'ailettes (9) sont positionnés dans le sens circonférentiel et/ou longitudinal du corps de tambour (6), décalés par rapport aux dents de fraisage (8).
  3. Tambour de fraisage (2) selon l'une des revendications précédentes, caractérisé en ce que les éléments en forme d'ailettes (9) sont conçus de forme rectiligne ou recourbée ou coudée.
  4. Tambour de fraisage (2) selon l'une des revendications précédentes, caractérisé en ce que les éléments en forme d'ailettes (9) sont conçus sous forme de pièces de tôle métallique et reliés par liaison de matière au couvre-cylindre (7).
  5. Tambour de fraisage (2) selon l'une des revendications précédentes, caractérisé en ce qu'une hauteur radiale d'un élément en forme d'ailette (9) est inférieure à une hauteur radiale d'une dent de fraisage (8).
  6. Tambour de fraisage (2) selon la revendication 5, caractérisé en ce qu'une hauteur radiale de l'élément en forme d'ailette (9) est inférieure à une moitié de la hauteur de la dent de fraisage (8).
  7. Tambour de fraisage (2) selon l'une des revendications précédentes, caractérisé en ce que plusieurs éléments en forme d'ailettes (9) sont étendus dans le sens longitudinal du corps de tambour (6) dans une rangée commune sur la longueur du corps de tambour (6).
  8. Fraiseuse arrière (1) pour une dameuse avec un tambour de fraisage (2) selon l'une des revendications précédentes.
EP21213067.8A 2020-12-11 2021-12-08 Arbre fraiseur pour une fraise arrière d'une dameuse et fraise arrière Active EP4012103B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020215706.5A DE102020215706A1 (de) 2020-12-11 2020-12-11 Fräswelle für eine Heckfräse einer Pistenraupe und Heckfräse

Publications (2)

Publication Number Publication Date
EP4012103A1 EP4012103A1 (fr) 2022-06-15
EP4012103B1 true EP4012103B1 (fr) 2024-07-03

Family

ID=78824693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21213067.8A Active EP4012103B1 (fr) 2020-12-11 2021-12-08 Arbre fraiseur pour une fraise arrière d'une dameuse et fraise arrière

Country Status (2)

Country Link
EP (1) EP4012103B1 (fr)
DE (1) DE102020215706A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022202430B4 (de) 2022-03-10 2024-08-22 Kässbohrer Geländefahrzeug Aktiengesellschaft Fräswelle für eine Schneefräse, insbesondere eine Heckfräse einer Pistenraupe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359831A (en) 1980-05-19 1982-11-23 De Lorean Manufacturing Company Reversibly powered rotary snow tiller
CH660978A5 (en) 1983-04-15 1987-06-30 Viktor Meili Ag Fuer Konstrukt Track-making device for making courses in the snow
US5581914A (en) * 1995-11-21 1996-12-10 Lmc Operating Corp. Snow cutting tooth for rotating cutter bar of ski slope tiller
DE102009053572B4 (de) 2009-11-06 2016-03-17 Kässbohrer Geländefahrzeug AG Heckanbaugerät für eine Pistenraupe
DE102013204723A1 (de) 2013-03-18 2014-09-18 Kässbohrer Geländefahrzeug AG Fräswelle für eine Heckfräse einer Pistenraupe

Also Published As

Publication number Publication date
EP4012103A1 (fr) 2022-06-15
DE102020215706A1 (de) 2022-06-15

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