WO2010028953A1 - Attachment cutting system having cutting heads and a cutter chain - Google Patents

Attachment cutting system having cutting heads and a cutter chain Download PDF

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Publication number
WO2010028953A1
WO2010028953A1 PCT/EP2009/061036 EP2009061036W WO2010028953A1 WO 2010028953 A1 WO2010028953 A1 WO 2010028953A1 EP 2009061036 W EP2009061036 W EP 2009061036W WO 2010028953 A1 WO2010028953 A1 WO 2010028953A1
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WO
WIPO (PCT)
Prior art keywords
cutting
chain
cutting heads
milling
anbaufrässystem
Prior art date
Application number
PCT/EP2009/061036
Other languages
German (de)
French (fr)
Inventor
Klaus Ertmer
Original Assignee
Klaus Ertmer
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41258369&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2010028953(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Klaus Ertmer filed Critical Klaus Ertmer
Priority to ES09782250T priority Critical patent/ES2386251T5/en
Priority to PL09782250T priority patent/PL2324158T5/en
Priority to US13/124,878 priority patent/US20110247246A1/en
Priority to EP09782250.6A priority patent/EP2324158B2/en
Publication of WO2010028953A1 publication Critical patent/WO2010028953A1/en
Priority to HRP20120664TT priority patent/HRP20120664T4/en

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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 cultivation rearing system with a cultivation console for mounting on a movable support arm of a carrier device.
  • a carrier device is in particular an excavator or a similar construction machine.
  • the cultivation rearing system comprises at least one motor and two of these rotary-driven cutting heads, which are mounted on both sides of the longitudinal axis of the mounting bracket and carry numerous milling bits, the cutting bits of each cutting head as it rotates describe a cylindrical Fräsmantel phenomenon.
  • the field of application for such a cultivation system is, in particular, road construction, special civil engineering, tunneling or hydraulic engineering.
  • the cultivator 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 crops are also often used for mining 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.
  • a milling system for mounting on hydraulic carrier devices which consists of two or more simultaneously via a hydraulic motor (3) separately driven cropping mills (1) same or different structure with the same or different tool carriers (6).
  • the individual mounted mills (1) are interchangeable via connecting brackets (8) side by side, one behind the other or at an angle to each other, arranged at the same or different height.
  • this milling system is expensive and, for example, not very suitable for trench construction.
  • 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 object of the invention is to further develop an attachment rearing system for attachment to a movable carrier arm of a carrier device in such a way that it can be used for different milling and cutting operations without substantially impairing the efficiency of the individual work situations.
  • the milling bits of the milling chain form a semi-cylindrical mantle surface at the exposed front end of the milling chain. In this case, the front reversing line of the cutting chain is located substantially in a plane tangent to the milling lateral surfaces of the two cutting heads.
  • the mounting bracket is determined, next to the contact line of the milling cutter of the milling chain. Conveniently, these lines of contact are also in a common plane.
  • the cultivation rearing system according to the invention has the
  • a lateral pivoting of the excavator tiller is no longer necessary to ablate material on a mining wall surface.
  • the cultivator is attached to the top of the mining wall and works vertically downwards. With the appropriate placement of the 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 carrier device is subjected to less stress.
  • the cultivation rearing system comprises in a preferred embodiment, two driving pinion through which the drive of the cutting chain takes place.
  • the respective driving pinions are arranged between the cutting chain and the adjacent cutting heads, wherein they engage in driving elements of the cutting chain as well as in the respective adjacent 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 cutting heads is detachable, so that the cutting heads can be removed from the mounting bracket, without affecting the drive of the cutting chain.
  • This interchangeability of the cutting heads makes it possible to remodel and use the mounted rearing system for other applications. For example, cutting heads with a narrower shape can be exchanged for those with a wider shape. Another possibility is to generally omit the cutting heads in order to work exclusively with the milling chain.
  • the advantage of the cultivation system according to the invention is that when changing tasks on the
  • Construction site of this modular cultivation system can be quickly and easily rebuilt, making the use of this device is more economical and versatile.
  • the cutting 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 cutting heads and the mounting bracket and includes a gear which is located between the engine and the cutting heads.
  • a single motor is arranged between the two cutting heads, which is rotated 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 cutting heads, e.g. with the help of the driving pinion.
  • the Anbaufräs- system includes a plurality of motors, preferably hydraulic motors, each associated with a 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.
  • the cutting heads are designed either as cross-cutting heads or as longitudinal cutting heads, the milling chain being guided therebetween.
  • FIG. 1 shows a perspective view of a first embodiment of a mounted rearing system with an attachment bracket for attachment to a movable carrier arm of a carrier device and with a transmission housing;
  • FIG. 2 shows a perspective view of a second embodiment of the cultivation rearing system with between two
  • FIG. 1 shows a first embodiment of an attachment rearing system according to the invention with an attachment bracket for attachment to a movable carrier arm of a carrier device in a perspective illustration.
  • the cultivation 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 in a conventional manner to the support arm of a carrier device (not shown).
  • the cutting heads 03 are on both sides of the mounting bracket 02, based on the longitudinal axis, attached.
  • the milling chain 01 is located between the two rotating cutting heads 03 and extends parallel to the longitudinal axis of the mounting bracket 02.
  • milling bits 04 are mounted, such as carbide-tipped round shank bit, which may also 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 is substantially in a plane with the plane which is defined by the Fräsmantelober inhabit the two cutting heads 03.
  • the cutting heads 03 and the milling chain 01 thus together form a roller-like milling tool.
  • the attachment system shown in Fig. 1 comprises two driving pinion 05, through which the drive of the cutting chain 01 and the two cutting heads 03 takes place.
  • the respective driving pinion 05 are arranged between the cutting chain 01 and the adjacent 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 on the 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 cutting heads 03 and the Mitauerritzeln 07 a permanent connection is present.
  • the cutting heads 03 are fixed, for example, by welding to the mounting bracket 02.
  • the milling chain 01 is guided wear-resistant via a gear housing 09, which extends in the longitudinal direction of the support arm and extends from the mounting bracket 02 to between the two cutting heads 03.
  • a gear housing 09 which extends in the longitudinal direction of the support arm and extends from the mounting bracket 02 to between the two 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 mounted rearing system further comprises a gear, not shown, and two laterally flanged motors 11, which are available for driving both the cutting chain 01 and the two cutting heads 03 available.
  • the reduction gear is located between the 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 cutting heads 03 by means of the motors 11, which are preferably hydraulic motors.
  • Each of the cutting heads 03 is associated with one of the motors 11, which are located between the gearbox and the mounting bracket 02 on both sides of the gear housing 09.
  • the drive of the milling chain takes place simultaneously via both motors.
  • FIG. 2 a second embodiment of the cultivation rearing system is shown, which also contains the essential elements of the embodiment described above.
  • the peculiarity of this embodiment is that the drive of the cutting chain 01 takes place via a motor, preferably a hydraulic motor, without reduction gear to the Milling chain oil is coupled.
  • the motor is arranged between the two cutting heads 03 and is circulated 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 in this embodiment with the Mit Anlagenritzeln 05, whereby the cutting heads 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)
  • 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)

Abstract

The invention relates to an attachment cutting system having an attachment bracket (02) for attaching to a moving carrier arm of a carrier device. The attachment cutting system comprises at least one motor (11) and two cutting heads (03) which are rotationally driven by said motor, are attached at both sides of the longitudinal axis of the attachment bracket (02), and carry numerous cutting teeth (04). Furthermore, a rotating cutter chain (01) having numerous cutting teeth (04) is provided, the direction of travel of which runs parallel to the longitudinal axis of the attachment bracket (02) and which extends between the two cutting heads (03), wherein the front reversing line of the cutter chain (01) lies substantially in a plane tangent to the outside cutting surfaces of the two cutting heads (03), and wherein the motor (11) driving the cutting heads (03) also drives the cutter chain (01).

Description

AnbaufräsSystem mit Schneidköpfen und Fräskette Cultivation system with cutting heads and milling chain
Die Erfindung betrifft ein Anbaufrässystem mit einer Anbaukon- sole zum Anbau an einen beweglichen Trägerarm eines Trägergerätes. Ein solches Trägergerät ist insbesondere ein Bagger oder eine ähnliche Baumaschine. Das Anbaufrässystem umfasst mindestens einen Motor und zwei von diesem rotierend angetriebene Schneidköpfe, die beidseitig der Längsachse der Anbaukon- sole angebracht sind und zahlreiche Fräsmeißel tragen, wobei die Fräsmeißel jedes Schneidkopfes bei dessen Drehung eine zylindrische Fräsmantelfläche beschreiben.The invention relates to a cultivation rearing system with a cultivation console for mounting on a movable support arm of a carrier device. Such a carrier device is in particular an excavator or a similar construction machine. The cultivation rearing system comprises at least one motor and two of these rotary-driven cutting heads, which are mounted on both sides of the longitudinal axis of the mounting bracket and carry numerous milling bits, the cutting bits of each cutting head as it rotates describe a cylindrical Fräsmantelfläche.
Der Einsatzbereich für ein solches Anbaufrässystem ist insbe- sondere der Straßenbau, Spezialtiefbau, Tunnel- oder Wasserbau. Dabei wird die Anbaufräse z.B. zum Aufbrechen versiegelter Oberflächen aber auch zum Betonabbruch und zum Abbau bestimmter Erd- und Gesteinsschichten eingesetzt.The field of application for such a cultivation system is, in particular, road construction, special civil engineering, tunneling or hydraulic engineering. The cultivator 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.
Bekannt sind beispielsweise aus der DE 101 32 608 B4 oder EP 1 715 106 Al Baggeranbaufräsen die als Querschneidkopffräsen ausgebildet sind und mit hartmetallbestückten Rundschaftmeißeln als Schneidwerkzeug ausgerüstet werden. Beim Einsatz dieses Fräsentyps, muss in der Regel die Fräse seitlich hin und her geschwenkt werden, um dadurch das Material zwischen den Schneidköpfen zu brechen. Der Nachteil dieser Fräsen ist, dass die Schneidbreite größer ausfällt als die eigentliche Breite des Fräskopfes, was sich im Kanalbau besonders unvorteilhaft erweist. Ein weiterer Nachteil besteht bei diesen Fräsen in der Belastung des Schwenkwerkes des Baggers, welches beim Fräsen ständig großen Torsions- und Scherkräften ausgesetzt wird. Baggeranbaufrasen werden auch oft zum Abbau von weichen und mittelharten Gesteinen wie beispielsweise Kalksteine oder Gips eingesetzt. Dabei ist es besonders beim Gipsabbau wichtig, dass der Feinanteil im Fräsgut so gering wie möglich gehalten wird. Durch den Einsatz von Baggeranbaufräsen mit seitlichen Schneidköpfen, die an der Abbauwand verschwenkt werden, wird das vom vorderen Schneidkopf abgebrochene Material durch den nachfolgenden Schneidkopf unerwünscht weiter zerkleinert.Known are, for example, from DE 101 32 608 B4 or EP 1 715 106 Al excavator attachment mills which are designed as Querschneidkopffräsen and are equipped with carbide-tipped round shank bits as a cutting tool. When using this type of broom, the mill usually needs to be swung laterally to thereby break the material between the cutter heads. The disadvantage of these routers is that the cutting width is greater than the actual width of the milling head, which proves to be particularly unfavorable in sewer construction. Another disadvantage is in these milling in the load of the swing mechanism of the excavator, which is constantly exposed to large torsional and shear forces during milling. Excavator crops are also often used for mining 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. 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.
Aus der DE 100 41 275 B4 ist ein Frässystem zum Anbau an hydraulische Trägergeräte bekannt, welches aus zwei oder mehreren über je einen Hydraulikmotor (3) gleichzeitig separat angetriebenen Anbaufräsen (1) gleichen oder unterschiedlichen Aufbaus mit gleichen oder unterschiedlichen Werkzeugträgern (6) besteht. Die einzelnen Anbaufräsen (1) sind über Verbindungskonsolen (8) auswechselbar nebeneinander, hintereinander oder winklig zueinander, auf gleicher oder unterschiedlicher Höhe angeordnet. Damit soll der Materialabbau frontal zum Trägergerät effizienter möglich sein. Allerdings ist dieses Frässystem aufwendig und beispielsweise für den Grabenbau wenig geeignet.From DE 100 41 275 B4 a milling system for mounting on hydraulic carrier devices is known which consists of two or more simultaneously via a hydraulic motor (3) separately driven cropping mills (1) same or different structure with the same or different tool carriers (6). The individual mounted mills (1) are interchangeable via connecting brackets (8) side by side, one behind the other or at an angle to each other, arranged at the same or different height. Thus, the material removal frontal to the carrier device should be more efficient. However, this milling system is expensive and, for example, not very suitable for trench construction.
Aus der Druckschrift US 7,096,609 B2 ist ein so genannter Trencher bekannt, welcher mit einer Fräskette ausgestattet ist. Der Trencher umfasst vertikal zur Laufrichtung der Fräskette angebrachte Schneckenwellen, welche den abgetragenen Boden von dem ausgeschachteten Graben weg drücken. Ein Nachteil ist hier die beschränkte Einsetzbarkeit dieser Maschine. Für den großflächigen Materialabbau an einer Wand ist der Trencher ungeeignet. Durch seine hoch geführte Konstruktion wird der Trencher außerdem hohen mechanischen Beanspruchungen ausgesetzt. Dabei treten die Kräfte nicht nur in der Längsrichtung der umlaufenden Fräskette auf, sondern auch senkrecht zu der Kette, insbesondere wenn das Fräswerkzeug auf Hindernisse wie Steine oder gleichartiges auftrifft.From the document US 7,096,609 B2 a so-called Trencher is known, 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.
Die Aufgabe der Erfindung besteht darin, ein Anbaufrässystem zum Anbau an einen beweglichen Trägerarm eines Trägergerätes derart weiter zu entwickeln, dass es für unterschiedliche Fräs- und Schneidarbeiten einsetzbar ist, ohne dass dabei die Effizienz der einzelnen Arbeitssituationen wesentlich beein- trächtigt wird.The object of the invention is to further develop an attachment rearing system for attachment to a movable carrier arm of a carrier device in such a way that it can be used for different milling and cutting operations without substantially impairing the efficiency of the individual work situations.
Erfindungsgemäß wird die Aufgabe durch die Merkmale das Anbaufrässystem gemäß dem beigefügten Anspruch 1 gelöst.According to the invention the object is achieved by the features of the cultivation rearing system according to the appended claim 1.
Das erfindungsgemäße Anbaufrässystem zum Anbau an einen beweglichen Trägerarm eines Trägergerätes umfasst eine Anbaukonsole, an welcher rotierende Schneidköpfe beidseitig zu der Längsachse der Anbaukonsole angebracht sind. Weiterhin umfasst das Anbaufrässystem eine umlaufende Fräskette mit einer Lauf- richtung, die parallel zur Längsachse der Anbaukonsole verläuft und die sich zwischen den beiden Schneidköpfen erstreckt. An der Fräskette und den Schneidköpfen sind zahlreiche Fräsmeißel angebracht, die bei einer Drehung der Schneidköpfe eine zylindrische Fräsmantelfläche beschreiben. Die Fräsmeißel der Fräskette bilden am freiliegenden vorderen Ende der Fräskette eine halbzylindrische Manteloberfläche. Dabei liegt die vordere Umkehrlinie der Fräskette im Wesentlichen in einer die Fräsmantelflächen der beiden Schneidköpfe tangierenden Ebene.The attachment rearing system according to the invention for attachment to a movable carrier arm of a carrier device comprises an attachment bracket, on which rotating cutting heads are mounted on both sides of the longitudinal axis of the attachment bracket. Furthermore, the cultivation rearing system comprises a circumferential milling chain with a running direction which runs parallel to the longitudinal axis of the mounting bracket and which extends between the two cutting heads. On the milling chain and the cutting heads numerous milling bits are mounted, which describe a cylindrical Fräsmantelfläche with a rotation of the cutting heads. The milling bits of the milling chain form a semi-cylindrical mantle surface at the exposed front end of the milling chain. In this case, the front reversing line of the cutting chain is located substantially in a plane tangent to the milling lateral surfaces of the two cutting heads.
Die Berührungslinien der Fräsmeißel der Schneidköpfe mit der zu fräsenden Oberfläche liegen damit ohne nennenswerte Lücke, die bei Geräten nach dem Stand der Technik durch die Breite - A -The contact lines of the cutting tools of the cutting heads with the surface to be milled are thus without significant gap, which in devices according to the prior art by the width - A -
der Anbaukonsole bestimmt ist, neben der Berührungslinie der Fräsmeißel der Fräskette. Zweckmäßigerweise liegen diese Berührungslinien auch in einer gemeinsamen Ebene.the mounting bracket is determined, next to the contact line of the milling cutter of the milling chain. Conveniently, these lines of contact are also in a common plane.
Damit besitzt das erfindungsgemäße Anbaufrässystem denThus, the cultivation rearing system according to the invention has the
Vorteil, dass ein seitliches Verschwenken der Baggeranbaufräse nicht mehr notwendig ist, um flächig an einer Abbauwand Material abzutragen. Die Anbaufräse wird oben an der Abbauwand angesetzt und arbeitet senkrecht nach unten. Mit der entspre- chenden Bestückung der Schneidköpfe und der Fräskette mit Werkzeugen lässt sich somit Gestein mit einer optimalen Körnung herstellen und der bewegliche Trägerarm das Trägergerät wird weniger belastet.Advantage that a lateral pivoting of the excavator tiller is no longer necessary to ablate material on a mining wall surface. The cultivator is attached to the top of the mining wall and works vertically downwards. With the appropriate placement of the 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 carrier device is subjected to less stress.
Das Anbaufrässystem umfasst in einer bevorzugten Ausführungsform zwei Mitnehmerritzel durch die der Antrieb der Fräskette erfolgt. Die jeweiligen Mitnehmerritzel sind zwischen der Fräskette und den benachbarten Schneideköpfen angeordnet, wobei sie in Mitnehmerelemente der Fräskette als auch in den jeweils angrenzenden Schneidkopf antreibend eingreifen. Die Kraftübertragung von den Mitnehmerritzeln auf die Fräskette erfolgt z.B. mittels Mitnehmerstiften, welche die Mitnehmerelemente der Fräskette bilden.The cultivation rearing system comprises in a preferred embodiment, two driving pinion through which the drive of the cutting chain takes place. The respective driving pinions are arranged between the cutting chain and the adjacent cutting heads, wherein they engage in driving elements of the cutting chain as well as in the respective adjacent cutting head driving. The power transmission from the Mitnehmerritzeln on the milling chain is e.g. by means of driving pins, which form the driving elements of the milling chain.
In einer besonders bevorzugten Ausführungsform des Anbaufrässystems ist die Verbindung zwischen den Mitnehmerritzel und den Schneidköpfen lösbar, sodass die Schneidköpfe von der Anbaukonsole abgenommen werden können, ohne dass der Antrieb der Fräskette beeinträchtigt wird. Durch diese Austauschbar- keit der Schneidköpfe besteht die Möglichkeit, das Anbaufrässystem für andere Anwendungszwecke umzugestalten und einzusetzen. Beispielsweise können Schneidköpfe mit schmalerer Form gegen solche mit breiterer Form ausgetauscht werden. Eine weitere Möglichkeit besteht darin, die Schneidköpfe generell wegzulassen, um ausschließlich mit der Fräskette zu arbeiten. Dabei liegt der Vorteil des erfindungsgemäßen Anbau- frässystems darin, dass bei wechselnden Aufgaben auf derIn a particularly preferred embodiment of the mounted rearing system, the connection between the driving pinion and the cutting heads is detachable, so that the cutting heads can be removed from the mounting bracket, without affecting the drive of the cutting chain. This interchangeability of the cutting heads makes it possible to remodel and use the mounted rearing system for other applications. For example, cutting heads with a narrower shape can be exchanged for those with a wider shape. Another possibility is to generally omit the cutting heads in order to work exclusively with the milling chain. The advantage of the cultivation system according to the invention is that when changing tasks on the
Baustelle dieses modulare Anbaufrässystem schnell und problemlos umgebaut werden kann, wodurch die Nutzung dieses Gerätes wirtschaftlicher und vielseitiger ist.Construction site of this modular cultivation system can be quickly and easily rebuilt, making the use of this device is more economical and versatile.
In einer weiteren Ausführungsform des Anbaufrässystems wird die Fräskette verschleißarm in Längsrichtung zum Trägerarm über ein dort angeordnetes Getriebegehäuse geführt, vorzugsweise unter Zwischenschaltung einer Linearführungseinheit . Das Getriebegehäuse breitet sich in Längsrichtung zwischen den beiden Schneidköpfen und der Anbaukonsole aus und umfasst ein Getriebe, welches zwischen dem Motor und den Schneidköpfen liegt. Durch die Möglichkeit, dass die Länge des Gehäuses geändert werden kann, entsteht der Vorteil, dass die Tiefe des zu fräsenden Grabens regelbar ist und insgesamt eine größere Grabentiefe erlangt werden kann.In a further embodiment of the mounted rearing system, the cutting 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 cutting heads and the mounting bracket and includes a gear which is located between the engine and the cutting heads. 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.
In einer bevorzugten Ausführungsform des Anbaufrässystems ist ein einziger Motor zwischen den beiden Schneidköpfen angeordnet, der von der Fräskette umlaufen wird. Dabei entfällt die Kraftübertragung auf die Fräskette über das Getriebe und der Antrieb erfolgt direkt, sowohl auf die Fräskette als auch auf die Schneidköpfe, z.B. mit Hilfe der Mitnehmerritzel.In a preferred embodiment of the cultivation rearing system, a single motor is arranged between the two cutting heads, which is rotated 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 cutting heads, e.g. with the help of the driving pinion.
In einer abgewandelten Ausführungsform umfasst das Anbaufräs- System mehrere Motoren, vorzugsweise Hydraulikmotoren, die jeweils einem Schneidkopf zugeordnet sind. Der Antrieb der Fräskette erfolgt entsprechend über beide Motoren, welche in Längsrichtung und jeweils auf beiden Seiten des Getriebe- bzw. Motorgehäuses angeordnet sind.In a modified embodiment, the Anbaufräs- system includes a plurality of motors, preferably hydraulic motors, each associated with a 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.
Bei vorteilhaften Ausführungsformen des Anbaufrässystems sind die Schneidköpfe entweder als Querschneidköpfe oder als Längs- schneidköpfe ausgeführt, wobei die Fräskette dazwischen geführt wird.In advantageous embodiments of the cultivation rake system, the cutting heads are designed either as cross-cutting heads or as longitudinal cutting heads, the milling chain being guided therebetween.
Besonders bevorzugte Ausführungsformen der Erfindung werden in den Figuren dargestellt und nachfolgend näher erläutert. Es zeigen :Particularly preferred embodiments of the invention are illustrated in the figures and explained in more detail below. Show it :
Fig. 1: eine perspektivische Ansicht einer ersten Ausfüh- rungsform eines Anbaufrässystems mit einer Anbaukonsole zum Anbau an einen beweglichen Trägerarm eines Trägergerätes und mit einem Getriebegehäuse;FIG. 1 shows a perspective view of a first embodiment of a mounted rearing system with an attachment bracket for attachment to a movable carrier arm of a carrier device and with a transmission housing; FIG.
Fig. 2: eine perspektivische Ansicht einer zweiten Ausfüh- rungsform des Anbaufrässystems mit zwischen zwei2 shows a perspective view of a second embodiment of the cultivation rearing system with between two
Schneidköpfen liegendem Motor.Cutting heads lying engine.
Fig. 1 zeigt eine erste Ausführungsform eines erfindungsgemä- ßen Anbaufrässystems mit einer Anbaukonsole zum Anbau an einen beweglichen Trägerarm eines Trägergerätes in einer perspektivischen Darstellung. Das Anbaufrässystem umfasst eine Fräskette 01 und zwei rotierende Schneidköpfe 03, die an einer Anbaukonsole 02 angebracht sind. Die Anbaukonsole wird in an sich bekannter Weise an den Tragarm eines Trägergerätes (nicht dargestellt) angeflanscht. Die Schneidköpfe 03 sind an beiden Seiten der Anbaukonsole 02, bezogen auf deren Längsachse, befestigt. Die Fräskette 01 befindet sich zwischen den beiden rotierenden Schneidköpfen 03 und verläuft parallel zur Längsachse der Anbaukonsole 02.1 shows a first embodiment of an attachment rearing system according to the invention with an attachment bracket for attachment to a movable carrier arm of a carrier device in a perspective illustration. The cultivation 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 in a conventional manner to the support arm of a carrier device (not shown). The cutting heads 03 are on both sides of the mounting bracket 02, based on the longitudinal axis, attached. The milling chain 01 is located between the two rotating cutting heads 03 and extends parallel to the longitudinal axis of the mounting bracket 02.
An jedem der beiden Schneidköpfe 03 und an der Fräskette 01 sind Fräsmeißel 04 angebracht, beispielsweise hartmetallbestückte Rundschaftmeißel, wobei diese auch mit anderen Schneidwerkzeugen bestückt sein können. Während der Drehbewegung der Schneidköpfe 03 um ihre Drehachse wird von den Fräsmeißeln 04 eine zylindrische Fräsmanteloberfläche beschrieben. Die Fräsmeißel 04 auf der Fräskette 01 sind in Laufrichtung verteilt, dabei beschreiben sie im Betrieb am freiliegenden vorderen Ende der Fräskette 01 eine halbzylindrische Fräsmanteloberfläche. Damit liegt die vordere Umkehrlinie der Fräskette 01 im Wesentlichen in einer Ebene mit der Ebene, die durch die Fräsmanteloberflächen der beiden Schneidköpfe 03 definiert wird. Die Schneidköpfe 03 und die Fräskette 01 bilden somit gemeinsam ein walzenähnliches Fräswerkzeug.At each of the two cutting heads 03 and the milling chain 01 milling bits 04 are mounted, such as carbide-tipped round shank bit, which may also be equipped with other cutting tools. During the rotary movement of the cutting heads 03 about their axis of rotation of the Fräsmeißeln 04 describes a cylindrical Fräsmanteloberfläche. 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 Fräsmanteloberfläche. Thus, the front reversal line of the milling chain 01 is substantially in a plane with the plane which is defined by the Fräsmanteloberflächen the two cutting heads 03. The cutting heads 03 and the milling chain 01 thus together form a roller-like milling tool.
Das in Fig. 1 dargestellte Anbaufrässystem umfasst zwei Mitnehmerritzel 05, durch die der Antrieb der Fräskette 01 und der beiden Schneidköpfe 03 erfolgt. Die jeweiligen Mitnehmerritzel 05 sind zwischen der Fräskette 01 und dem benachbarten Schneidkopf 03 angeordnet und werden über eine nicht dargestellte Antriebswelle angetrieben. Die Kraftübertragung von den Mitnehmerritzeln 05 auf die Fräskette 01 erfolgt mittels Mitnehmerstiften 07, die fest angebracht sind und sich an den den Schneidköpfen zugewandten Seiten quer zur Laufrichtung der Fräskette 01 befinden. Durch das Eingreifen der Mitnehmerstifte 07 in dem drehbar angetriebenen Mitnehmerritzel 05 wird die Vorschubkraft auf die Fräskette 01 übertragen.The attachment system shown in Fig. 1 comprises two driving pinion 05, through which the drive of the cutting chain 01 and the two cutting heads 03 takes place. The respective driving pinion 05 are arranged between the cutting chain 01 and the adjacent cutting head 03 and are driven by a drive shaft, not shown. The power transmission from the Mitnehmerritzeln 05 on the cutting chain 01 by means of driving pins 07 which are fixedly mounted and are located on the cutting heads facing sides transverse to the direction of the milling chain 01. 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.
In Fig. 1 ist eine Ausführungsform dargestellt, in welcher zwischen den Schneidköpfen 03 und den Mitnehmerritzeln 07 eine dauerhafte Verbindung vorhanden ist. Die Schneidköpfe 03 sind beispielsweise durch Schweißen an der Anbaukonsole 02 befestigt.In Fig. 1, an embodiment is shown, in which between the cutting heads 03 and the Mitnehmerritzeln 07 a permanent connection is present. The cutting heads 03 are fixed, for example, by welding to the mounting bracket 02.
Die Fräskette 01 wird über ein Getriebegehäuse 09 verschleißarm geführt, welches in Längsrichtung zum Trägerarm verläuft und sich ausgehend von der Anbaukonsole 02 bis zwischen die beiden Schneidköpfe 03 erstreckt. Auf dem Getriebegehäuse ist dazu eine Linearführungseinheit angebracht. Die Umlenkung der Fräskette 01 wird mittels einer nicht sichtbaren Umlenkrolle realisiert. Diese Ausführungsform des Anbaufrässystems weist weiterhin ein nicht dargestelltes Getriebe und zwei seitlich angeflanschte Motoren 11 auf, welche für den Antrieb sowohl der Fräskette 01 als auch der beiden Schneidköpfe 03 zur Verfügung stehen. Das Untersetzungsgetriebe befindet sich zwischen den Schneidköpfen 03 und der Anbaukonsole 02 und wird von der Fräskette 01 umlaufen.The milling chain 01 is guided wear-resistant via a gear housing 09, which extends in the longitudinal direction of the support arm and extends from the mounting bracket 02 to between the two 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 mounted rearing system further comprises a gear, not shown, and two laterally flanged motors 11, which are available for driving both the cutting chain 01 and the two cutting heads 03 available. The reduction gear is located between the cutting heads 03 and the mounting bracket 02 and is circulated by the milling chain 01.
Der Antrieb der Fräskette 01 und der beiden Schneidköpfe 03 erfolgt mittels der Motoren 11, welche vorzugsweise Hydraulikmotoren sind. Jedem der Schneidköpfe 03 ist einer der Motoren 11 zugeordnet, die sich zwischen dem Getriebe und der Anbaukonsole 02 an beiden Seiten des Getriebegehäuses 09 befinden. Der Antrieb der Fräskette erfolgt entsprechend über beide Motoren gleichzeitig.The drive of the milling chain 01 and the two cutting heads 03 by means of the motors 11, which are preferably hydraulic motors. Each of the cutting heads 03 is associated with one of the motors 11, which are located between the gearbox and the mounting bracket 02 on both sides of the gear housing 09. The drive of the milling chain takes place simultaneously via both motors.
In Fig. 2 ist eine zweite Ausführungsform des Anbaufrässystems dargestellt, welches die wesentlichen Elemente der zuvor beschriebenen Ausführungsform ebenfalls enthält.In Fig. 2, a second embodiment of the cultivation rearing system is shown, which also contains the essential elements of the embodiment described above.
Die Besonderheit dieser Ausführungsform ist, dass der Antrieb der Fräskette 01 über einen Motor erfolgt, vorzugsweise einen Hydraulikmotor, der ohne Untersetzungsgetriebe an die Fräskette Ol gekoppelt ist. Der Motor ist zwischen den beiden Schneidköpfen 03 angeordnet und wird von der Fräskette 01 umlaufen. Sowohl die Fräskette 01 als auch die Schneidköpfe 03 werden von dem langsam laufenden Motor angetrieben.The peculiarity of this embodiment is that the drive of the cutting chain 01 takes place via a motor, preferably a hydraulic motor, without reduction gear to the Milling chain oil is coupled. The motor is arranged between the two cutting heads 03 and is circulated by the milling chain 01. Both the milling chain 01 and the cutting heads 03 are driven by the slow-running motor.
Die Schneidköpfe 03 sind bei dieser Ausführungsform mit den Mitnehmerritzeln 05 lösbar verbunden, wodurch die Schneidköpfe 03 von der Anbaukonsole 01 abnehmbar sind, ohne dass der Antrieb der Fräskette 01 beeinträchtigt wird. The cutting heads 03 are releasably connected in this embodiment with the Mitnehmerritzeln 05, whereby the cutting heads 03 are removable from the mounting bracket 01 without the drive of the milling chain 01 is affected.
Bezugs zeichenlisteReference sign list
Ol FräsketteOl milling chain
02 Anbaukonsole02 Mounting bracket
03 Schneidkopf03 cutting head
04 Fräsmeißel04 milling chisel
05 Mitnehmerritzel05 driving pinion
07 Mitnehmerstift07 driving pin
09 Getriebegehäuse09 gearbox housing
11 Motor 11 engine

Claims

Patentansprüche claims
1. Anbaufrässystem mit einer Anbaukonsole (02) zum Anbau an einen beweglichen Trägerarm eines Trägergerätes, mindestens einem Motor (11) und zwei von diesem rotierend angetriebenen Schneidköpfen (03), die beidseitig der Längsachse der Anbaukonsole (02) angebracht sind und zahlreiche Fräsmeißel (04) tragen, wobei die Fräsmeißel (04) jedes Schneidkopfes (03) bei dessen Drehung eine zylindrische Fräsmantelfläche beschreiben, dadurch gekennzeichnet, dass weiterhin eine umlaufende Fräskette (01) mit zahlreichen Fräsmeißeln (04) vorgesehen ist, deren Laufrichtung parallel zur Längsachse der Anbaukonsole (02) verläuft und die sich so zwischen den beiden Schneidköpfen (03) erstreckt, dass eine vordere Umkehrlinie der Fräskette (01) im wesentlichen in einer, die Fräsmantelflächen der beiden Schneidköpfe (03) tangierenden Ebene liegt, und dass der die Schneidköpfe (03) antreibende Motor (11) auch die Fräskette (01) antreibt.1. Anbaufrässystem with a mounting bracket (02) for attachment to a movable support arm of a carrier device, at least one motor (11) and two of these rotationally driven cutting heads (03), which are mounted on both sides of the longitudinal axis of the mounting bracket (02) and numerous Fräsmeißel ( 04), the milling bits (04) of each cutting head (03) describing a cylindrical milling surface during its rotation, characterized in that furthermore a circumferential milling chain (01) with numerous milling bits (04) is provided whose running direction is parallel to the longitudinal axis of the mounting bracket (02) and extending between the two cutting heads (03) such that a front line of reversal of the cutting chain (01) lies substantially in a plane tangent to the milling surface of the two cutting heads (03), and that the cutting heads (03 ) driving motor (11) and the milling chain (01) drives.
2. Anbaufrässystem nach Anspruch 1, dadurch gekennzeichnet, dass die Fräsmeißel (04) der Fräskette (01) an einem freiliegenden vorderen Ende eine halbzylindrische2. Anbaufrässystem according to claim 1, characterized in that the Fräsmeißel (04) of the cutting chain (01) at an exposed front end of a semi-cylindrical
Mantelfläche beschreiben, die im wesentlichen in einer gemeinsamen gekrümmten Fläche mit vorderen Abschnitten der zylindrischen Fräsmantelflächen der Schneidköpfe (03) liegt.Describe lateral surface, which lies substantially in a common curved surface with front portions of the cylindrical Fräsmantelflächen the cutting heads (03).
3. Anbaufrässystem nach Anspruch 1 oder 2, dadurch gekennzeich- net, dass der Antrieb der Fräskette (01) durch zwei Mitnehmerritzel (05) erfolgt, welche zwischen dieser und den Schneidköpfen (03) angeordnet sind und sowohl in Mitnehmerelemente (07) der Fräskette (01) als auch in solche des jeweils angrenzenden Schneidkopfs (03) eingreifen. 3. Anbaufrässystem according to claim 1 or 2, characterized marked, that the drive of the cutting chain (01) by two driving pinion (05) takes place, which are arranged between this and the cutting heads (03) and both in driver elements (07) of the milling chain (01) as well as in those of the respective adjacent cutting head (03) engage.
4. Anbaufrässystem nach Anspruch 3, dadurch gekennzeichnet, dass die Fräskette (Ol) Mitnehmerstifte (07) umfasst, die sich jeweils an ihren den Schneidköpfen (03) zugewandten Seiten befinden und die Mitnehmerelemente der Fräskette (Ol) bilden.4. Anbaufrässystem according to claim 3, characterized in that the cutting chain (Ol) driving pins (07), which are each at their cutting heads (03) facing sides and the driving elements of the cutting chain (Ol) form.
5. Anbaufrässystem nach Anspruch 3 oder 4, dadurch gekennzeich- net, dass die Mitnehmerritzel (05) mit den Schneidköpfen5. Anbaufrässystem according to claim 3 or 4, marked thereby, that the driving pinion (05) with the cutting heads
(03) derart lösbar verbunden sind, dass die Schneidköpfe (03) von der Anbaukonsole (02) abnehmbar sind, ohne den Antrieb der Fräskette (01) zu beeinträchtigen.(03) are detachably connected such that the cutting heads (03) of the mounting bracket (02) are removable without affecting the drive of the cutting chain (01).
6. Anbaufrässystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Fräskette (01) in Längsrichtung über ein Getriebegehäuse (09) geführt ist, vorzugsweise unter Zwischenschaltung einer Linearführungseinheit .6. Anbaufrässystem according to one of claims 1 to 5, characterized in that the cutting chain (01) is guided in the longitudinal direction via a gear housing (09), preferably with the interposition of a linear guide unit.
7. Anbaufrässystem nach Anspruch 6, dadurch gekennzeichnet, dass das Getriebegehäuse (09) in Längsrichtung zwischen den Schneidköpfen (03) und der Anbaukonsole (02) angeordnet ist und ein Untersetzungsgetriebe enthält, welches im Antriebsstrang zwischen dem Motor (11) und den Schneidköpfen (03) liegt.7. Anbaufrässystem according to claim 6, characterized in that the gear housing (09) in the longitudinal direction between the cutting heads (03) and the mounting bracket (02) is arranged and includes a reduction gear, which in the drive train between the motor (11) and the cutting heads ( 03) is located.
8. Anbaufrässystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Motor und ggf. ein Getriebe in einem Gehäuseabschnitt zwischen den beiden Schneidköpfen8. Anbaufrässystem according to one of claims 1 to 5, characterized in that the motor and possibly a transmission in a housing section between the two cutting heads
(03) angeordnet sind, welcher von der Fräskette (01) umlau- fen wird.(03) are arranged, which is umlau- fen of the cutting chain (01).
9. Anbaufrässystem nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Motor ein Hydraulikmotor ist. 9. Anbaufrässystem according to one of claims 1 to 8, characterized in that the motor is a hydraulic motor.
10. Anbaufrässystem nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass jedem der beiden Schneidköpfe (03) ein eigener Motor (11) zugeordnet ist, welche beide auch die Fräskette (01) antreiben.10. Anbaufrässystem according to one of claims 1 to 9, characterized in that each of the two cutting heads (03) is assigned a separate motor (11), both of which also drive the cutting chain (01).
11. Anbaufrässystem nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Schneidköpfe (03) Querschneidköpfe oder Längsschneidköpfe sind. 11. Anbaufrässystem according to one of claims 1 to 10, characterized in that the cutting heads (03) are Querschneidköpfe or longitudinal cutting heads.
PCT/EP2009/061036 2008-09-11 2009-08-27 Attachment cutting system having cutting heads and a cutter chain WO2010028953A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES09782250T ES2386251T5 (en) 2008-09-11 2009-08-27 Auxiliary cutter for excavator that has cutting heads and a cutter chain
PL09782250T PL2324158T5 (en) 2008-09-11 2009-08-27 Cutter to be mounted on an excavator, having cutting heads and a cutter chain.
US13/124,878 US20110247246A1 (en) 2008-09-11 2009-08-27 Attachment cutting system having cutting heads and a cutter chain
EP09782250.6A EP2324158B2 (en) 2008-09-11 2009-08-27 Cutter to be mounted on an excavator, having cutting heads and a cutter chain.
HRP20120664TT HRP20120664T4 (en) 2008-09-11 2012-08-16 Cutter to be mounted on an excavator, having cutting heads and a cutter chain

Applications Claiming Priority (2)

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DE102008041982A DE102008041982B4 (en) 2008-09-11 2008-09-11 Cultivation system with cutting heads and milling chain
DE102008041982.6 2008-09-11

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WO2010028953A1 true WO2010028953A1 (en) 2010-03-18

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US (1) US20110247246A1 (en)
EP (1) EP2324158B2 (en)
DE (1) DE102008041982B4 (en)
ES (1) ES2386251T5 (en)
HR (1) HRP20120664T4 (en)
PL (1) PL2324158T5 (en)
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DE102008041982B4 (en) 2010-06-17
HRP20120664T4 (en) 2021-02-05
DE102008041982A1 (en) 2010-04-15
EP2324158B2 (en) 2020-11-25
HRP20120664T1 (en) 2012-09-30
EP2324158B1 (en) 2012-05-16
PL2324158T3 (en) 2012-10-31
PL2324158T5 (en) 2021-08-23
US20110247246A1 (en) 2011-10-13
ES2386251T3 (en) 2012-08-14
EP2324158A1 (en) 2011-05-25
ES2386251T5 (en) 2021-09-27

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