EP2324158B2 - 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
EP2324158B2
EP2324158B2 EP09782250.6A EP09782250A EP2324158B2 EP 2324158 B2 EP2324158 B2 EP 2324158B2 EP 09782250 A EP09782250 A EP 09782250A EP 2324158 B2 EP2324158 B2 EP 2324158B2
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EP
European Patent Office
Prior art keywords
cutting heads
cross
cutter
cutting
chain
Prior art date
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Active
Application number
EP09782250.6A
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German (de)
English (en)
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EP2324158B1 (fr
EP2324158A1 (fr
Inventor
Klaus Ertmer
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Individual
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Application filed by Individual filed Critical Individual
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 an add-on milling system with an add-on bracket for flange-mounting on a movable support arm of a carrier device.
  • a carrier device is in particular an excavator or a similar construction machine.
  • the add-on milling system comprises at least one motor and two cutting heads driven in rotation, which are attached to both sides of the longitudinal axis of the mounting bracket and carry numerous milling bits, the milling bits of each cutting head describing a cylindrical milling surface as it rotates.
  • the area of application for such an add-on milling system is in particular road construction, special civil engineering, tunnel or hydraulic engineering.
  • the cultivator is e.g. Used for breaking open sealed surfaces, but also for demolishing concrete and removing certain layers of earth and rock.
  • Dredge milling cutters are also often used to mine soft and medium-hard rocks such as limestone or gypsum. It is particularly important when mining gypsum that the fine fraction in the milled material is kept as low as possible.
  • excavator attachment cutters with side cutting heads that are pivoted on the excavation wall, the material broken off by the front cutting head is undesirably further shredded by the following cutting head.
  • a milling system for attachment to hydraulic carrier devices which consists of two or more attachment milling cutters (1) of the same or different structure with the same or different tool carriers (6), each separately driven by a hydraulic motor (3).
  • the individual cultivators (1) are interchangeably arranged next to one another, behind one another or at an angle to one another, at the same or different heights, via connecting brackets (8). This is intended to enable more efficient material removal from the front of the carrier device.
  • this milling system is complex and unsuitable for digging, for example.
  • a so-called trencher which is equipped with a milling chain.
  • the trencher comprises worm shafts attached vertically to the direction of travel of the milling chain, which push the excavated soil away from the excavated trench.
  • a disadvantage here is the limited usability of this machine.
  • the trencher is not suitable for large-scale material removal on a wall. Due to its high-rise construction, the trencher is also exposed to high mechanical loads. The forces not only occur in the longitudinal direction of the rotating milling chain, but also vertically to the chain, especially when the milling tool hits obstacles such as stones or the like.
  • the object of the invention is to further develop an add-on milling system for a movable carrier arm of a carrier device in such a way that it can be used for different milling and cutting work without the efficiency of the individual work situations being significantly impaired.
  • the object is achieved by the features of the add-on milling system according to the attached claim 1.
  • the add-on milling system according to the invention for flange-mounting on a movable support arm of a carrier device comprises an add-on bracket to which rotating cutting heads are attached on both sides of the longitudinal axis of the add-on bracket. Furthermore, the add-on milling system comprises a rotating milling chain with a running direction that runs parallel to the longitudinal axis of the add-on bracket and that extends between the two cutting heads. Numerous milling chisels are attached to the milling chain and the cutting heads, which describe a cylindrical milling surface when the cutting heads are rotated.
  • the cutting tools of the cutting chain form a semi-cylindrical jacket surface at the exposed front end of the cutting chain.
  • the front reversal line of the milling chain lies essentially in a plane tangent to the milling jacket surfaces of the two cutting heads.
  • the lines of contact of the milling chisels of the cutting heads with the surface to be milled are therefore without any notable gap, which in the case of devices according to the prior art is due to the width the mounting bracket is determined, next to the line of contact of the milling cutter of the milling chain.
  • These lines of contact are expediently also in a common plane.
  • the attachment milling system according to the invention thus has the advantage that it is no longer necessary to pivot the excavator attachment cutter to the side in order to remove material over a large area on a mining wall.
  • the cultivator is attached to the top of the excavation wall and works vertically downwards. With the appropriate equipment of the cutting heads and the milling chain with tools, rock with an optimal grain size can be produced and the movable support arm of the carrier device is less stressed.
  • the add-on milling system comprises two driver pinions through which the milling chain is driven.
  • the respective driver pinions are arranged between the milling chain and the adjacent cutting heads, and they engage driving elements of the milling chain as well as the respectively adjacent cutting head.
  • the power transmission from the drive pinions to the milling chain takes place e.g. by means of driving pins, which form the driving elements of the milling chain.
  • connection between the driver pinion and the cutting heads can be released so that the cutting heads can be removed from the mounting bracket without the drive of the milling chain being impaired.
  • This interchangeability of the cutting heads makes it possible to redesign and use the add-on milling system for other purposes. For example, cutting heads with a narrower shape can be exchanged for those with a wider shape.
  • Another possibility is to generally leave out the cutting heads in order to work exclusively with the milling chain.
  • the advantage of the add-on milling system according to the invention is that this modular add-on milling system can be converted quickly and easily in the event of changing tasks on the construction site, making the use of this device more economical and versatile.
  • the milling chain is guided with little wear in the longitudinal direction to the carrier arm via a gear housing arranged there, preferably with the interposition of a linear guide unit.
  • the gear housing extends in the longitudinal direction between the two cutting heads and the mounting bracket and comprises a gear which is located between the motor and the cutting heads.
  • a single motor which is rotated by the milling chain, is arranged between the two cutting heads. There is no power transmission to the milling chain via the gearbox and the drive takes place directly, both on the milling chain and on the cutting heads, e.g. with the help of the driver pinion.
  • the add-on milling system comprises several motors, preferably hydraulic motors, which are each assigned to a cutting head.
  • the milling chain is driven accordingly by both motors, which in In the longitudinal direction and are arranged on both sides of the gearbox or motor housing.
  • the cutting heads are designed either as transverse cutting heads or as longitudinal cutting heads, with the milling chain being guided in between.
  • Fig. 1 shows a first embodiment of an add-on milling system according to the invention with an add-on bracket for flange-mounting on a movable carrier arm of a carrier device in a perspective view.
  • the add-on milling system comprises a milling chain 01 and two rotating cutting heads 03 which are attached to a mounting bracket 02.
  • the mounting bracket is flanged to the support arm of a carrier device (not shown) in a manner known per se.
  • the cutting heads 03 are attached to both sides of the mounting bracket 02, based on its longitudinal axis.
  • the milling chain 01 is located between the two rotating cutting heads 03 and runs parallel to the longitudinal axis of the mounting bracket 02.
  • Milling chisels 04 are attached to each of the two cutting heads 03 and to the milling chain 01, for example carbide-tipped round shank chisels, and these can also be equipped with other cutting tools.
  • the milling chisels 04 describe a cylindrical milling jacket surface.
  • the milling chisels 04 on the milling chain 01 are distributed in the running direction, while in operation they describe a semi-cylindrical milling jacket surface at the exposed front end of the milling chain 01.
  • the front reversal line of the milling chain 01 thus lies essentially in one plane with the plane that is defined by the milling jacket surfaces of the two cutting heads 03.
  • the cutting heads 03 and the milling chain 01 thus together form a roller-like milling tool.
  • the add-on milling system shown comprises two driver pinions 05, which drive the milling chain 01 and the two cutting heads 03.
  • the respective driver pinions 05 are arranged between the milling chain 01 and the adjacent cutting head 03 and are driven via a drive shaft, not shown.
  • the power transmission from the driver pinions 05 to the milling chain 01 takes place by means of driver pins 07 which are firmly attached and are located on the sides facing the cutting heads transversely to the running direction of the milling chain 01.
  • driver pins 07 As a result of the engagement of the driver pins 07 in the rotatably driven driver pinion 05, the feed force is transmitted to the milling chain 01.
  • Fig. 1 an embodiment is shown in which between the cutting heads 03 and the driver pinions 07 a permanent connection exists.
  • the cutting heads 03 are attached to the mounting bracket 02 by welding, for example.
  • the milling chain 01 is guided over a gear housing 09 with little wear and tear, which runs in the longitudinal direction to the support arm and, starting from the mounting bracket 02, extends between the two cutting heads 03.
  • a linear guide unit is attached to the gear housing for this purpose.
  • the milling chain 01 is deflected by means of a non-visible deflection roller.
  • This embodiment of the add-on milling system 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 cutting heads 03.
  • the reduction gear is located between the cutting heads 03 and the mounting bracket 02 and is rotated by the milling chain 01.
  • the milling chain 01 and the two cutting heads 03 are driven by means of the motors 11, which are preferably hydraulic motors.
  • Each of the cutting heads 03 is assigned one of the motors 11, which are located between the gearbox and the mounting bracket 02 on both sides of the gearbox housing 09.
  • the milling chain is driven by both motors at the same time.
  • FIG. 2 a second embodiment of the cultivation milling system is shown, which also contains the essential elements of the embodiment described above.
  • the special feature of this embodiment is that the milling chain 01 is driven by a motor, preferably a hydraulic motor, which is connected to the Milling chain 01 is coupled.
  • the motor is arranged between the two cutting heads 03 and is rotated by the milling chain 01. Both the milling chain 01 and the cutting heads 03 are driven by the slow running motor.
  • the cutting heads 03 are releasably connected to the driver pinions 05, so that the cutting heads 03 can be removed from the mounting bracket 01 without the drive of the milling chain 01 being impaired.

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

Claims (10)

  1. Fraise à monter sur un excavateur avec une console de montage (02) pour le bridage 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 EP2324158B1 (fr) 2012-05-16
EP2324158B2 true 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)

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DE102010024428A1 (de) 2010-06-21 2011-12-22 Ulrich Bechem Anbaufräse
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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
DE102017119913A1 (de) 2017-08-30 2019-02-28 Klaus Ertmer Abbruchwerkzeug und Verfahren zum Abbruch von Gestein
DE102016125158A1 (de) 2016-12-21 2018-06-21 Klaus Ertmer Verfahren zum Abbruch von Gestein und Abbruchwerkzeug
FR3068374A1 (fr) * 2017-06-29 2019-01-04 Lomaroute Machine excavatrice pour ronger les bordures et les caniveaux
DE202019100319U1 (de) * 2019-01-21 2020-04-22 Liebherr-Werk Nenzing Gmbh Schlitzwandfräse
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
DE202022100046U1 (de) 2022-01-04 2022-02-24 Kemroc Holding Gmbh Bodenfräse zum Vorbereiten von Waldböden zur Baumbepflanzung
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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DE102008041982B4 (de) 2010-06-17
HRP20120664T4 (hr) 2021-02-05
WO2010028953A1 (fr) 2010-03-18
PL2324158T3 (pl) 2012-10-31
ES2386251T3 (es) 2012-08-14
ES2386251T5 (es) 2021-09-27
EP2324158B1 (fr) 2012-05-16
DE102008041982A1 (de) 2010-04-15
HRP20120664T1 (en) 2012-09-30
US20110247246A1 (en) 2011-10-13
PL2324158T5 (pl) 2021-08-23
EP2324158A1 (fr) 2011-05-25

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