EP2324158B1 - Fraise prévue pour être montée sur une excavatrice, ayant des têtes de coupe et une chaîne de fraisage. - Google Patents

Fraise prévue pour être montée sur une excavatrice, ayant des têtes de coupe et une chaîne de fraisage. Download PDF

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Publication number
EP2324158B1
EP2324158B1 EP09782250A EP09782250A EP2324158B1 EP 2324158 B1 EP2324158 B1 EP 2324158B1 EP 09782250 A EP09782250 A EP 09782250A EP 09782250 A EP09782250 A EP 09782250A EP 2324158 B1 EP2324158 B1 EP 2324158B1
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EP
European Patent Office
Prior art keywords
cutting
cross
cutting heads
cutter
chain
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Active
Application number
EP09782250A
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German (de)
English (en)
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EP2324158B2 (fr
EP2324158A1 (fr
Inventor
Klaus Ertmer
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Individual
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Individual
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Priority to PL09782250T priority Critical patent/PL2324158T5/pl
Publication of EP2324158A1 publication Critical patent/EP2324158A1/fr
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Publication of EP2324158B1 publication Critical patent/EP2324158B1/fr
Priority to HRP20120664TT priority patent/HRP20120664T4/hr
Publication of EP2324158B2 publication Critical patent/EP2324158B2/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/085—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain with auxiliary or additional digging elements other than digging elements on an endless chain
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/10—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain with tools that only loosen the material, i.e. with cutter-type chains
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/24—Mineral freed by means not involving slitting by milling means acting on the full working face, i.e. the rotary axis of the tool carrier being substantially parallel to the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
    • E21D9/102—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis
    • E21D9/1026—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis the tool-carrier being rotated about a transverse axis

Definitions

  • the invention relates to a dredger with an attachment bracket for attachment to a movable support arm of an excavator.
  • the excavator abutment comprises at least one motor and two of these rotationally driven cross-cutting heads, which are mounted on both sides of the longitudinal axis of the mounting bracket and carry a plurality of milling bits, the cutting tools of each cross-cutting head as it rotates describe a cylindrical Fräsmantel phenomenon.
  • the field of application for such a dredger is in particular road construction, special civil engineering, tunneling or hydraulic engineering.
  • the excavator tiller is e.g. used for breaking up sealed surfaces but also for demolition of concrete and for the mining of certain layers of earth and rock.
  • Excavator tillage mills are also often used to break down soft and medium-hard rocks such as limestone or gypsum. It is particularly important in the case of plaster removal that the fines content in the milled material is kept as low as possible.
  • plaster removal Through the use of dredger mills with lateral cutting heads, which are pivoted on the mining wall, the broken off from the front cutting head material is undesirably further crushed by the subsequent cutting head.
  • Trencher which is equipped with a cutting chain.
  • the trencher includes worm shafts mounted vertically to the direction of travel of the cutting chain, which push the removed soil away from the excavated trench.
  • a disadvantage here is the limited usability of this machine. For large-scale material removal on a wall of the Trencher is unsuitable.
  • the trencher is also exposed to high mechanical stresses due to its high-guided construction. The forces occur not only in the longitudinal direction of the rotating milling chain, but also vertically to the chain, especially if the milling tool hits obstacles such as stones or the like.
  • the excavator tiller according to the invention for attachment to a movable carrier arm of an excavator comprises an attachment bracket, on which rotating transverse cutting heads are mounted on both sides of the longitudinal axis of the attachment bracket.
  • the dredger comprises a rotating milling chain with a running direction which is parallel to the longitudinal axis of the attachment bracket and which extends between the two transverse cutting heads.
  • Numerous milling bits are mounted on the milling chain and the transverse cutting heads, which describe a cylindrical milling surface area upon rotation of the transverse cutting heads.
  • the milling bits of the milling chain form a semi-cylindrical mantle surface at the exposed front end of the milling chain.
  • the front reversal line of the milling chain is located substantially in a plane tangent to the milling jacket surfaces of the two transverse cutting heads.
  • the excavator tiller according to the invention has the advantage that a lateral pivoting this excavator tiller is no longer necessary to ablate material on a mining wall surface.
  • the excavator tiller is attached to the top of the mining wall and works vertically downwards. With the appropriate equipping of the cross cutting heads and the milling chain with tools, it is thus possible to produce rock with optimum grain size, and the movable support arm of the excavator is subjected to less load.
  • the dredger has two driving pinions through which the drive of the cutting chain takes place.
  • the respective Mitappelettitzel are arranged between the cutting chain and the adjacent Querschneidgropfen, wherein they engage in driving elements of the cutting chain as well as in the respective adjacent transverse cutting head driving.
  • the power transmission from the Mit Anlagenritzeln on the milling chain is e.g. by means of driving pins, which form the driving elements of the milling chain.
  • connection between the driving pinion and the transverse cutting heads is detachable, so that the Querschneidkmü can be removed from the mounting bracket without the drive of the cutting chain is affected.
  • the connection between the driving pinion and the transverse cutting heads is detachable, so that the Querschneidkmü can be removed from the mounting bracket without the drive of the cutting chain is affected.
  • Another possibility is to omit the cross-cutting heads in general in order to work exclusively with the milling chain.
  • the advantage of the excavator tiller according to the invention is that with changing tasks on site this modular excavator tiller can be quickly and easily converted, making the use of this device is more economical and versatile.
  • the milling chain is guided wear-resistant in the longitudinal direction of the support arm via a gear housing arranged there, preferably with the interposition of a linear guide unit.
  • the gear housing extends longitudinally between the two transverse cutting heads and the mounting bracket and includes a gear which is located between the engine and the Querschneidgropfen. The possibility that the length of the housing can be changed, there is the advantage that the depth of the trench to be milled is adjustable and overall a greater trench depth can be obtained.
  • a single motor is arranged between the two transverse cutting heads, which is circulated by the milling chain.
  • the transmission of power to the milling chain via the gearbox is eliminated and the drive takes place directly, both on the cutting chain and on the transverse cutting heads, e.g. with the help of the driving pinion.
  • the excavator tiller comprises a plurality of motors, preferably hydraulic motors, each associated with a transverse cutting head.
  • the drive of the milling chain takes place correspondingly over both motors, which in Longitudinal direction and are arranged respectively on both sides of the transmission or motor housing.
  • Fig. 1 shows a first embodiment of an excavator tiller according to the invention with a mounting bracket for attachment to a movable support arm of an excavator in a perspective view.
  • the dredger comprises a milling chain 01 and two rotating transverse cutting heads 03, which are mounted on a mounting bracket 02.
  • the mounting bracket is flanged in a conventional manner to the support arm of an excavator (not darg Abbott).
  • the transverse cutting heads 03 are attached to both sides of the mounting bracket 02, based on the longitudinal axis thereof.
  • the milling chain 01 is located between the two rotating transverse cutting heads 03 and extends parallel to the longitudinal axis of the mounting bracket 02.
  • milling cutter 04 At each of the two transverse cutting heads 03 and the milling chain 01 milling cutter 04 are mounted, such as carbide tipped round shank bit, which may be equipped with other cutting tools.
  • the milling bits 04 on the milling chain 01 are distributed in the running direction, while they describe in operation at the exposed front end of the milling chain 01 a semi-cylindrical Fräsmantelober composition.
  • the front reversal line of the milling chain 01 lies substantially in a plane with the plane which is defined by the Fräsmantelober inhabit the two Querschneidkexcellent 03.
  • the cross-cutting heads 03 and the milling chain 01 thus together form a roller-like milling tool.
  • Excavator tiller shown comprises two driving pinion 05 through which the drive of the cutting chain 01 and the two transverse cutting heads 03 takes place.
  • the respective driving pinion 5 are arranged between the cutting chain 01 and the adjacent transverse cutting head 03 and are driven by a drive shaft, not shown.
  • the power transmission from the Mit Anlagenritzeln 05 on the cutting chain 01 by means of driving pins 07, which are fixedly mounted and are located at the transverse cutting heads facing sides transverse to the direction of the milling chain 01.
  • driving pins 07 By the engagement of the driving pins 07 in the rotatably driven driving pinion 05, the feed force is transmitted to the milling chain 01.
  • Fig. 1 an embodiment is shown in which between the transverse cutting heads 03 and the Mitauerritzeln 07 a permanent connection is present.
  • the transverse cutting heads 03 are fastened to the mounting bracket 02 by welding, for example.
  • the milling chain 01 is guided wear-resistant via a gear housing 09, which extends in the longitudinal direction of the support arm and extending from the mounting bracket 02 to between the two transverse cutting heads 03.
  • a gear housing 09 which extends in the longitudinal direction of the support arm and extending from the mounting bracket 02 to between the two transverse cutting heads 03.
  • On the gear housing for a linear guide unit is attached.
  • the deflection of the milling chain 01 is realized by means of a non-visible pulley.
  • This embodiment of the excavator tiller also has a gear, not shown, and two laterally flanged motors 11, which are available for driving both the milling chain 01 and the two transverse cutting heads 03.
  • the reduction gear is located between the transverse cutting heads 03 and the mounting bracket 02 and is circulated by the milling chain 01.
  • the drive of the milling chain 01 and the two transverse cutting heads 03 by means of the motors 11, which are preferably hydraulic motors.
  • Each of the transverse cutting heads 03 is associated with one of the motors 11, which are located between the transmission and the mounting bracket 02 on both sides of the transmission housing 09.
  • the drive of the milling chain takes place simultaneously via both motors.
  • Fig. 2 a second embodiment of the excavator tiller is shown, which also contains the essential elements of the embodiment described above.
  • the cross cutting heads 03 are releasably connected in this embodiment with the Mit Anlagenritzeln 05, whereby the Querschneidkexcellent 03 are removable from the mounting bracket 01 without the drive of the milling chain 01 is affected.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Shovels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

L'invention concerne un système de fraisage rapporté présentant une console surajoutée (02) pour la fixation sur un bras support mobile d'un appareil support. Le système de fraisage rapporté comprend au moins un moteur (11) et deux têtes de coupe (03) entraînées en rotation par celui-ci, qui sont disposées des deux côtés de l'axe longitudinal de la console rapportée (02) et qui portent une pluralité de taillants de fraises (04). L'invention est caractérisée en ce qu'il est prévu une chaîne de fraises tournante (01) présentant une pluralité de taillants de fraises (04), chaîne dont le sens de marche est parallèle à l'axe longitudinal de la console surajoutée (02) et qui s'étend entre les deux têtes de coupe (03), en ce que la ligne de retour avant de la chaîne de fraises (01) se situe sensiblement dans un plan tangent aux surfaces latérales de fraises des deux têtes de coupe (03), et en ce que le moteur (11) entraînant les têtes de coupe (03) entraîne également la chaîne de fraises (01).

Claims (10)

  1. Fraise à monter sur un excavateur avec une console de montage (02) à monter sur un bras porteur mobile d'un excavateur, au moins un moteur (11) et deux têtes de coupe transversale (03) entraînées en rotation par ce dernier, qui sont montées des deux côtés de l'axe longitudinal de la console de montage (02) et qui portent de nombreux burins fraiseurs (04), les burins fraiseurs (04) de chaque tête de coupe transversale (03) décrivant à la rotation de cette dernière une surface d'enveloppe de fraisage cylindrique, caractérisée en ce que par ailleurs une chaîne de fraisage (01) en révolution avec de nombreux burins fraiseurs (04) est prévue, dont le sens de déplacement s'étend à la parallèle de l'axe longitudinal de la console de montage (02) et qui s'étend entre les deux têtes de coupe transversale (03), de sorte qu'une ligne de renvoi antérieure de la chaîne de fraisage (01) se situe sensiblement dans un plan tangent entre les deux têtes de coupe transversale (03) et que le moteur (11) entraînant les têtes de coupe transversale (03) entraîne également la chaîne de fraisage (01).
  2. Fraise à monter sur un excavateur selon la revendication 1, caractérisée en ce que les burins fraiseurs (04) de la chaîne de fraisage (01) décrivent sur une extrémité antérieure libre une surface d'enveloppe demi-cylindrique, qui se situe sensiblement dans une surface commune courbe par des parties antérieures des surfaces d'enveloppe de fraisage cylindriques des têtes de coupe transversale (03).
  3. Fraise à monter sur une excavatrice selon la revendication 1 ou 2, caractérisée en ce que l'entraînement de la chaîne de fraisage (01) s'effectue par deux pignons d'entrainement (05) qui sont disposés entre cette dernière et les têtes de coupe transversale (03) et qui s'engagent aussi bien dans des éléments d'entraînement (07) de la chaîne de fraisage (01) que dans de tels de la tête de coupe transversale (03) respectivement adjacente.
  4. Fraise à monter sur une excavatrice selon le revendication 3, caractérisée en ce que la chaîne de fraisage (01) comprend des tiges d'entraînement (07) qui se trouvent chacune sur ses côtés faisant face aux têtes de coupe transversale (03) et qui forment les éléments d'entraînement de la chaîne de fraisage (01).
  5. Fraise à monter sur une excavatrice selon la revendication 3 ou 4, caractérisée en ce que les pignons d'entraînement (05) sont reliés de façon mobile avec les têtes de coupe transversale (03), de sorte que les têtes de coupe transversale (03) puissent se retirer de la console de montage (02), sans nuire à l'entraînement de la chaîne de fraisage (01).
  6. Fraise à monter sur une excavatrice selon l'une quelconque des revendications précédentes, caractérisé en ce que la chaîne de fraisage (01) est guidée en direction longitudinale par l'intermédiaire d'un carter d'engrenages (09), de préférence avec montage intermédiaire d'une unité de guidage linéaire.
  7. Fraise à monter sur une excavatrice selon la revendication 6, caractérisée en ce que le carter d'engrenages (09) est disposé en direction longitudinale entre les têtes de coupe transversale (03) et la console de montage (02) et contient un réducteur de vitesse, qui se situe dans la chaîne cinématique entre le moteur (11) et les têtes de coupe transversale (03).
  8. Fraise à monter sur une excavatrice selon l'une quelconque des revendications 1 à 5, caractérisée en ce que le moteur et le cas échéant une transmission sont disposés dans une portion du carter entre les deux têtes de coupe transversale (03) autour de laquelle tourne la chaine de fraisage (01).
  9. Fraise à monter sur une excavatrice selon l'une quelconque des revendications 1 à 8, caractérisée en ce que le moteur est un moteur hydraulique.
  10. Fraise à monter sur une excavatrice selon l'une quelconque des revendications 1 à 9, caractérisée en ce qu'à chacune des deux têtes de coupe transversale (03) est associé un propre moteur (11), les deux moteurs entraînant la chaîne de fraisage (01).
EP09782250.6A 2008-09-11 2009-08-27 Fraise prévue pour être montée sur une excavatrice, ayant des têtes de coupe et une chaîne de fraisage. Active EP2324158B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL09782250T PL2324158T5 (pl) 2008-09-11 2009-08-27 Koparkowy frez powierzchniowy wyposażony w głowice skrawające oraz łańcuch frezujący
HRP20120664TT HRP20120664T4 (hr) 2008-09-11 2012-08-16 Rezač koji se postavlja na kopač s reznim glavama i reznim lancem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008041982A DE102008041982B4 (de) 2008-09-11 2008-09-11 Anbaufrässystem mit Schneidköpfen und Fräskette
PCT/EP2009/061036 WO2010028953A1 (fr) 2008-09-11 2009-08-27 Système de fraisage rapporté présentant des têtes de coupe et une chaîne de fraises

Publications (3)

Publication Number Publication Date
EP2324158A1 EP2324158A1 (fr) 2011-05-25
EP2324158B1 true EP2324158B1 (fr) 2012-05-16
EP2324158B2 EP2324158B2 (fr) 2020-11-25

Family

ID=41258369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09782250.6A Active EP2324158B2 (fr) 2008-09-11 2009-08-27 Fraise prévue pour être montée sur une excavatrice, ayant des têtes de coupe et une chaîne de fraisage.

Country Status (7)

Country Link
US (1) US20110247246A1 (fr)
EP (1) EP2324158B2 (fr)
DE (1) DE102008041982B4 (fr)
ES (1) ES2386251T5 (fr)
HR (1) HRP20120664T4 (fr)
PL (1) PL2324158T5 (fr)
WO (1) WO2010028953A1 (fr)

Cited By (3)

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DE102016125158A1 (de) 2016-12-21 2018-06-21 Klaus Ertmer Verfahren zum Abbruch von Gestein und Abbruchwerkzeug
DE102017119913A1 (de) 2017-08-30 2019-02-28 Klaus Ertmer Abbruchwerkzeug und Verfahren zum Abbruch von Gestein
DE202022100046U1 (de) 2022-01-04 2022-02-24 Kemroc Holding Gmbh Bodenfräse zum Vorbereiten von Waldböden zur Baumbepflanzung

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DE102010024428A1 (de) 2010-06-21 2011-12-22 Ulrich Bechem Anbaufräse
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WO2012129593A1 (fr) * 2011-03-25 2012-10-04 Echidna Techologies Pty Ltd Équipement perforateur pour roches
CN102748020A (zh) * 2011-04-21 2012-10-24 刘素华 采煤用掘进锯
DE102012111913A1 (de) 2011-12-07 2013-06-13 Petrus Rebl Kettenfräseinheit sowie Fräsverfahren und Verfahren zur Verwendung der Kettenfräseinheit
FR2989098B1 (fr) * 2012-04-05 2015-03-20 Witeck Dispositif de fraisage adaptable sur machine de travaux publics
CN104929635B (zh) * 2015-05-08 2017-03-08 平顶山天安煤业股份有限公司 一种链式截割部截割高度的调节方法
FR3068374A1 (fr) * 2017-06-29 2019-01-04 Lomaroute Machine excavatrice pour ronger les bordures et les caniveaux
CN113338133B (zh) * 2021-04-28 2022-04-15 湖南省交建工程集团有限公司 一种沥青道路施工用冷再生机
CN114135309A (zh) * 2021-11-23 2022-03-04 中铁工程装备集团有限公司 矩形断面开挖刀盘及掘进机
DE102022126637A1 (de) 2022-10-13 2024-04-18 Kemroc Holding Gmbh Anbaufräseinheit mit zueinander winklig stehenden Querschneidköpfen und Abtriebszahnrädern mit Belevoid-Verzahnung

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AT8148U1 (de) * 2004-05-10 2006-02-15 Voest Alpine Bergtechnik Schräm- oder schneidwalze
EP1715106A1 (fr) * 2005-04-23 2006-10-25 Caterpillar Work Tools B. V. Fraiseuse mobile
ITUD20060104A1 (it) * 2006-04-21 2007-10-22 Casagrande Spa Dispositivo di scavo

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016125158A1 (de) 2016-12-21 2018-06-21 Klaus Ertmer Verfahren zum Abbruch von Gestein und Abbruchwerkzeug
DE102017119913A1 (de) 2017-08-30 2019-02-28 Klaus Ertmer Abbruchwerkzeug und Verfahren zum Abbruch von Gestein
DE202022100046U1 (de) 2022-01-04 2022-02-24 Kemroc Holding Gmbh Bodenfräse zum Vorbereiten von Waldböden zur Baumbepflanzung
EP4209636A1 (fr) 2022-01-04 2023-07-12 KEMROC Holding GmbH Fraise de sol pour la préparation de planchers forestiers pour la plantation d'arbres

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ES2386251T3 (es) 2012-08-14
PL2324158T5 (pl) 2021-08-23
EP2324158B2 (fr) 2020-11-25
DE102008041982B4 (de) 2010-06-17
HRP20120664T1 (en) 2012-09-30
ES2386251T5 (es) 2021-09-27
PL2324158T3 (pl) 2012-10-31
DE102008041982A1 (de) 2010-04-15
EP2324158A1 (fr) 2011-05-25
WO2010028953A1 (fr) 2010-03-18
HRP20120664T4 (hr) 2021-02-05
US20110247246A1 (en) 2011-10-13

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