EP1266737B1 - Tambour de fraise pour une machine de fraisage - Google Patents

Tambour de fraise pour une machine de fraisage Download PDF

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Publication number
EP1266737B1
EP1266737B1 EP01121234A EP01121234A EP1266737B1 EP 1266737 B1 EP1266737 B1 EP 1266737B1 EP 01121234 A EP01121234 A EP 01121234A EP 01121234 A EP01121234 A EP 01121234A EP 1266737 B1 EP1266737 B1 EP 1266737B1
Authority
EP
European Patent Office
Prior art keywords
milling
separating
shafts
tools
central tube
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
EP01121234A
Other languages
German (de)
English (en)
Other versions
EP1266737A3 (fr
EP1266737A2 (fr
Inventor
Max René Wyser
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.)
Air Tec AG
Original Assignee
Air Tec 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.)
Filing date
Publication date
Application filed by Air Tec AG filed Critical Air Tec AG
Publication of EP1266737A2 publication Critical patent/EP1266737A2/fr
Publication of EP1266737A3 publication Critical patent/EP1266737A3/fr
Application granted granted Critical
Publication of EP1266737B1 publication Critical patent/EP1266737B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/181—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools using cutters loosely mounted on a turning tool support

Definitions

  • the present invention relates to a separating and supporting element to a tool holder to a ground milling machine according to the preamble of claim 1.
  • Such a milling drum for a milling machine is disclosed in US 4,725,097.
  • the separating and supporting elements are semicircular and each have juxtaposed holes arranged for two waves.
  • the patent no. CH 687 445 shows by way of example a Bodenfräsmaschine smaller type.
  • the actual tool holder is usually constructed as a bobbin on the flanges peripherally and parallel to the core extending generally two to eight waves are mounted on which tools, such as milling wheels, loose can be mounted rotatably.
  • the tools are held on the shafts by the centrifugal force outside. If this tool holder during the rotational movement of a surface whose plane is arranged parallel to the axis of the tool holder, these tools strike on the ground to be machined respectively. first on any increases. This impact puts them in a rotational motion. With the power, the In order to overcome the inertia of the stationary tools, the surface is machined. Unevenness is leveled and / or a thin layer of the surface is removed.
  • the present invention now has the object to improve a Frästromme with separating and supporting elements and a tool holder such that even if only a few tools in use snd, the dynamic imbalance of the tool holder remains within reasonable limits and the arrangement of the tools the site can be freely determined according to the needs of each application.
  • Tool holder 2 as shown in Figure 1 are a fixed from a central tube 6 and two at the ends firmly welded flanges 5 existing welding construction.
  • the central tube 6 may have a round, a hexagonal or another polygonal tube profile.
  • holes 10 are provided for receiving the shafts 4 on a circle with radius x to the recording. 4, the tools 3 are mounted on these shafts 4 and thus form a milling drum 1.
  • Such milling drums 1 are used for the leveling of concrete and asphalt surfaces. Often, these machines are also used for the removal of road drawings and rubber rests of tires on aircraft runways.
  • six shafts 4 are used on conventional milling drums 1.
  • three shafts 4 are first uniformly distributed over the circumference.
  • the holes 10 on the flanges are knocked out in the course of the use in such a way that they deflect Waves 4 after some time can no longer lead. Therefore, one works with six possible shafts 4 only three, so that for a second use, the three not damaged holes 10 are used.
  • an even number of shafts 4 is used. It is then possible to use only half of the shafts 4 and receives for the tool holder 2 a longer life.
  • the milling tools 3 are mounted on the shafts 4 with great play (difference between D4 and D3, Figure 5), so that they can move freely. As a result of the rotation of the milling drum 1 in the direction "R", the milling tools 3 are displaced by contact with the bottom "B” in an opposite direction of rotation "r". Since they do not move relative to the shaft 4 before this contact, this "impact” causes the machining of the surface "B” triggered by the stored in the milling tools 3 inertial energy.
  • a separating and supporting elements 20 and 21 of the type presented are always for a tool holder 2, the two flanges 5 and a central tube 6 is used (Fig 1).
  • the use of a simple, not belonging to the invention separating and supporting element 20 as shown in Figure 6, has the advantage that you can adjust the distances a, b and c ( Figure 2) for the milling tools 3 to the respective requirements.
  • the simple separating and supporting element 20 is pushed onto one of the shafts 4. It is in the axial direction between the two flanges 5 free to move back and forth. As a result, milling tools 3 and separating and supporting elements 20 and 21 can alternate on each of the shafts 4 in a large range of any order.
  • a double separating and supporting element 21 is used according to the invention.
  • this double separating and supporting element two opposing shafts 4 are connected. Two shafts 4 are guided through the holes 9 and 9 '.
  • the double separating and supporting element 21 is supported by the recess 12 on the central tube 6.
  • two double separating and supporting elements 21 are used as shown in FIG. These include in the assembled state, the central tube 6 by 360 °. If one then connects these two double separating and supporting elements by connecting them together, e.g. By means of screws makes a supporting part, one has achieved a good reinforcement of the shafts 4.
  • double separating and supporting elements ensures that no imbalance arises.
  • Simple and double separating and supporting elements can be used on a milling drum 1 together with the milling tools 3 in free sequence on the shafts 4.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Road Repair (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Shovels (AREA)
  • Milling Processes (AREA)

Claims (5)

  1. Tambour de fraise pour une fraiseuse en vue du traitement de surfaces brutes inégales en béton, asphalte ou pour enlever des marquages routiers, comprenant plusieurs éléments de séparation et de support (20, 21), les tambours de fraise (1) présentant un porte-outil (2) entre les brides (5) duquel sont disposés, sur un rayon x, des arbres (4) sur lesquels sont poussés des outils de fraisage (3) montés lâchement à rotation, le nombre des outils de fraisage (3) utilisés pouvant être déterminé librement en fonction de l'utilisation et de la taille des outils de fraisage (3), des outils de fraisage (3) et des éléments de séparation et de support (20, 21) étant montés dans la direction axiale en des emplacements quelconques sur les arbres (4) et entre les brides (5), en alternance et en succession librement déterminable, les éléments de séparation et de support (20, 21) présentant un évidement (11, 12) semi-circulaire, s'étendant sur une périphérie de 180° au maximum, qui entoure un tube central (6) du tambour de fraise au niveau de ses contours profilés extérieurs disposés radialement, la distance entre le centre a du tube central (6) et le centre a' d'au moins un alésage (9) disposé dans l'élément de séparation et de support (20, 21) et servant à recevoir un arbre associé (4) correspondant au rayon x, caractérisé en ce qu'un double élément de séparation et de support (21) présentant deux alésages (9) diamétralement opposés est poussé sur deux arbres (4, 4') et présente, latéralement suivant un angle de 90° par rapport à la droite de liaison entre les centres des arbres (4) et (4'), un évidement (11) qui entoure le tube central (6) latéralement sur 180° au maximum.
  2. Tambour de fraise selon la revendication 1,
    caractérisé en ce que
    les évidements (11, 12) pour le tube central (6) présentent un profilé tubulaire rond, hexagonal ou polygonal.
  3. Tambour de fraise selon la revendication 1 ou 2,
    caractérisé en ce que
    le double élément de séparation et de support (21) se compose d'une partie gauche (22) et d'une partie droite (23), les évidements (12, 12') prévus pour le tube central (6) étant diamétralement opposés.
  4. Tambour de fraise selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    deux doubles éléments de séparation et de support (22, 23) sont assemblés pour former une paire d'éléments de support, dont les évidements (12, 12') présentent conjointement un évidement (12, 12') comprenant 360°.
  5. Tambour de fraise selon l'une quelconque des revendications précédentes, caractérisé en ce que la partie gauche (22) et la partie droite (23) d'une double paire d'éléments de support (22, 23) présentent des contours (24, 25) avec lesquels elles forment dans l'état assemblé dans la direction de la droite de liaison des deux alésages (9, 9'), une liaison par engagement positif et par engagement par adhérence.
EP01121234A 2001-06-16 2001-09-05 Tambour de fraise pour une machine de fraisage Expired - Lifetime EP1266737B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01092/01A CH697895B1 (de) 2001-06-16 2001-06-16 Frästrommel zu einer Bodenfräsmaschine.
CH10922001 2001-06-16

Publications (3)

Publication Number Publication Date
EP1266737A2 EP1266737A2 (fr) 2002-12-18
EP1266737A3 EP1266737A3 (fr) 2004-03-03
EP1266737B1 true EP1266737B1 (fr) 2006-03-01

Family

ID=4557046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01121234A Expired - Lifetime EP1266737B1 (fr) 2001-06-16 2001-09-05 Tambour de fraise pour une machine de fraisage

Country Status (6)

Country Link
US (1) US6692082B2 (fr)
EP (1) EP1266737B1 (fr)
AT (1) ATE318685T1 (fr)
CH (1) CH697895B1 (fr)
DE (1) DE50109044D1 (fr)
ES (1) ES2258500T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH700147A2 (de) 2008-12-23 2010-06-30 Airtec Ag Fahrbares Bodenbearbeitungsgerät.
DE102015114122B3 (de) 2015-08-26 2016-11-10 Herrenknecht Ag Vorrichtung zum Abtragen von Bauwerkstoff
CN110629651A (zh) * 2019-10-23 2019-12-31 三一汽车制造有限公司 铣刨机的侧板的开启结构、侧板和铣刨机

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH6798A (de) 1893-04-24 1893-11-15 Kruegener Dr Rudolph Plattenwechselvorrichtung für photographische Cameras
US1291129A (en) * 1917-02-21 1919-01-14 Port A Price Weeding-machine.
US4256182A (en) * 1979-05-25 1981-03-17 Nething Dell W Hammer plow
US4333686A (en) 1980-06-09 1982-06-08 Federal-Mogul Corporation Road planer device with auxiliary outrigger depth control wheels
US4725097A (en) * 1985-03-06 1988-02-16 Bartell Industries Limited Inclined cutter for surface cleaning head
US4704045A (en) 1985-10-11 1987-11-03 Taylor Thomas M Apparatus and method for pulverizing asphalt
US4714294A (en) * 1986-06-20 1987-12-22 Equipment Development Company, Inc. Drum and cutter assembly for a planing machine
US4720207A (en) * 1986-08-29 1988-01-19 Koehring Company Segmented rotor
US4891858A (en) 1987-03-23 1990-01-09 Famag Fahrzeug- Und Maschinenhandelsgesellschaft M.B.H. Nfg.Kg. Roadworking apparatus
US4895309A (en) * 1987-09-08 1990-01-23 Fritz Enterprises, Inc. Impactor for breaking large metal pieces
US5092658A (en) 1990-12-12 1992-03-03 Surface Preparation Systems Apparatus for surface profiling
CH687445A5 (de) 1993-12-14 1996-12-13 Air Tec Ag Bodenfraesmaschine.
US5505598A (en) * 1994-07-29 1996-04-09 Wirtgen America, Inc. Milling machine with multi-width cutter
JPH10280315A (ja) * 1997-03-31 1998-10-20 Nippon Fureki Sangyo Kk 乾式の路面加工装置
CH692705A5 (de) 1998-01-15 2002-09-30 Air Tec Ag Werkzeughalter für Bodenfräsmaschinen.

Also Published As

Publication number Publication date
US20020190569A1 (en) 2002-12-19
CH697895B1 (de) 2009-03-13
ATE318685T1 (de) 2006-03-15
DE50109044D1 (de) 2006-04-27
ES2258500T3 (es) 2006-09-01
EP1266737A3 (fr) 2004-03-03
US6692082B2 (en) 2004-02-17
EP1266737A2 (fr) 2002-12-18

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