EP0661144A1 - Floor milling machine - Google Patents

Floor milling machine Download PDF

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Publication number
EP0661144A1
EP0661144A1 EP94116601A EP94116601A EP0661144A1 EP 0661144 A1 EP0661144 A1 EP 0661144A1 EP 94116601 A EP94116601 A EP 94116601A EP 94116601 A EP94116601 A EP 94116601A EP 0661144 A1 EP0661144 A1 EP 0661144A1
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EP
European Patent Office
Prior art keywords
milling
milling machine
shaft
housing
machine according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94116601A
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German (de)
French (fr)
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EP0661144B1 (en
Inventor
René Max Wyser
Hans-Rudolf Hauenstein
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Air Tec AG
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Air Tec AG
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Publication of EP0661144A1 publication Critical patent/EP0661144A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/181—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools using cutters loosely mounted on a turning tool support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools

Definitions

  • the present invention relates to a mobile floor milling machine for processing surfaces with a housing in which a shaft, which is mounted in two roller bearings, and a milling tool, which is driven by the shaft, are arranged, and a drawbar arranged on the housing.
  • Floor milling machines of this type are used for cleaning, roughening or removing concrete, asphalt or metal surfaces.
  • they have a rotating cage-like drum, on the cage axes of which several freely rotating milling wheels are arranged.
  • milling machines have a limited area of application. Edge and corner areas of floors that adjoin walls cannot be machined down to a few centimeters, since the milling tool is stored within a housing and therefore cannot be brought into these areas. Another solution had to be found for the processing of the edge and corner areas. Milling machines are therefore used which, in contrast to the heavy, solid floor milling machine, are light hand tools: the edge and corner milling devices. The disadvantage of these devices is that there is no clear guidance. Since the device has to be made lighter, the stability is less than with the heavy-duty floor milling machines. Another device is used to machine shelves from side walls: the on-board milling device. In this case too, it is a handheld device with the disadvantages mentioned above.
  • a mobile floor milling machine which is characterized in that the one rolling bearing is arranged in a stationary manner on the housing, while the second rolling bearing is arranged together with an associated side wall of the housing forms an exchange unit, so that there are different arrangements of the shaft bearing, which allow the use of different milling tools.
  • the floor milling machine according to the invention is basically similar to the known one massive floor or surface milling machines.
  • the most important elements for the mobility of the machine are a housing 1, a drawbar 9, two rollers 6 and two wheels 7.
  • a motor 2, a mounted shaft 3 and a milling tool 5 are necessary for machining surfaces.
  • the housing can have any shape. It only has to connect the individual elements and partially surround them as protection.
  • a drawbar 9 is attached to the housing 1 and has a handle 90 at its end. It is used for thrusting the floor milling machine.
  • the drawbar 9 can be pivoted about a horizontal axis, and it can be fixed in its respective position by means of fixing means 91. Thanks to the pivoting of the drawbar, the floor milling machine can be moved in two directions, so it can be moved forwards and backwards.
  • two rollers 6 are arranged on one side, which forms the front in the main direction of travel.
  • two wheels 7 are arranged, which have a diameter several times larger than the rollers 6.
  • These wheels 7 are adjustable in height by means of a swivel fork.
  • the pivot fork forms a wheel height adjustment device 70 with a spindle acting on it. With this height adjustment, the working depth of the floor milling machine can be adjusted.
  • the wheel height adjustment device enables quick Raise the wheels so that work can be interrupted for a short time.
  • the floor milling machine also has an extraction system.
  • a suction hose 8 extends into the area of surface treatment and is attached to the drawbar 9 with its other end.
  • the drawbar can be connected to a vacuum cleaner.
  • the housing 1 surrounds the elements necessary for processing.
  • the shaft 3 is arranged in the lower part facing the ground, whereby it is directed parallel to the ground but perpendicular to the direction of travel of the ground milling machine.
  • the motor 2 which drives the shaft, is fastened.
  • the shaft 3 transmits the rotation to the milling tool 5, which is mounted on it.
  • the shaft 3 is supported in two roller bearings.
  • the first roller bearing 40 is arranged in a stationary manner on the housing 1.
  • the axial position of the second roller bearing with respect to the shaft 3 can be selected in the floor milling machine according to the invention. This means that various milling tools can be used. Since the second roller bearing must also be stable and precisely defined in all positions, the floor milling machine has the structure described below.
  • the second roller bearing forms an exchange unit with a side wall assigned to it.
  • the one exchange unit 10 consists of a side wall 100 for the housing 1, in which the rolling bearing 4 is almost flush.
  • the rolling bearing can be a flange bearing, for example.
  • the exchange unit 10 can be removed from the housing 1.
  • the side wall 100 has two bores 104, so that it can be fastened to the housing 1 by means of two screws.
  • the shaft 3 is supported at its end opposite the stationary roller bearing.
  • the milling tool 5 that can be used with it can thus extend over the entire length of the shaft 3, but is located entirely within the housing 1, so that the floor can only be worked in the area below the housing 1, as is customary in conventional floor milling machines.
  • the other exchange unit 10 ' consists of a partially open side wall 100', to which a yoke construction projecting into the housing 1 is attached in the assembled state.
  • the open side wall 100 ' has a recess at least in the size of the diameter of the milling tool 5 and is fixed to the housing instead of the closed side wall 100, preferably in the same places.
  • the yoke construction consists of a bearing receiving plate 103, which is arranged parallel to the side wall 100 ′ at a distance from one another by two spacer bars 102.
  • a roller bearing 4 ' is held in the bearing receiving plate 103 and is identical to the roller bearing 4 of the closed side wall 100.
  • the roller bearing 4' now no longer supports the shaft 3 at one end but in the central region.
  • the milling tool 5 can be mounted on the short free end of the shaft 3, and part of the tool can protrude laterally from the housing 1.
  • the floor milling machine can now be used in various areas. Some are described below, with the milling tools required in each case also being explained at the same time.
  • a surface milling tool 51 is used, as shown in FIG. 5. Like the known surface milling tools, it consists of a cage-like drum, on the axes of which freely rotatable milling wheels 502 are arranged, which work the soil.
  • the closed side wall 100 described above with the integrated roller bearing 4 is used as an exchange unit. The surface milling tool 51 is therefore stored along the entire length of the shaft and is surrounded by the housing 1.
  • an edge and corner milling tool 52 is used, as shown in FIG. 6.
  • the surface milling tool consists of a cage-like drum 501 with milling wheel 502.
  • the exchange unit 10 with the closed side wall 100
  • the exchange unit 10 'with the partially open side wall 100' is now used.
  • the shaft 3 is mounted within the housing, while the shaft passes through the roller bearing 4 '.
  • the edge and corner milling tool which projects beyond the recess of the open side wall 100 'from the housing 1, rests on the free end of the shaft 3. Since the machining elements are now partially outside the housing 1, they can be effective in every corner become.
  • the same exchange unit is used as when used as a corner and edge milling machine.
  • An on-board milling tool 53 which consists of a carousel 503, is now used as the milling tool 5 with rotatable machining wheels 502 arranged therein.
  • the carousel 53 is pushed through the partially open side wall 100 'onto the free end of the shaft 3 and is driven in this way.
  • the on-board milling tool 53 also protrudes from the housing 1 in order to optimally get to the shelves.
  • the on-board milling tool can be replaced by a grinding wheel for reworking the shelves, which can also be placed on the free shaft end.
  • Another possibility is that the milling tool 5 is replaced by a known cutting disc that can be placed on the free end of the shaft 3.
  • the position of the roller bearing which ensures the stability of the shaft, can thus be changed.
  • the shaft can be loaded with a wide variety of milling tools, and yet it is optimally supported for every case.
  • This means that the same machine can be used for a wide range of applications.
  • the drawbar since the drawbar, the position of which determines the feed direction of the machine, can be swiveled, the machine can easily be moved to all corners and edges, which is also advantageous when milling on the ground.
  • the tools on the floor milling machine according to the invention can be exchanged in a few simple steps, because the shaft bearing to be changed is done by replacing a single unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Adjustment And Processing Of Grains (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Shovels (AREA)
  • Road Repair (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

A floor milling machine for working surfaces has a housing (1) in which a shaft (3) mounted in two rolling bearings (40, 4) and a milling tool (5) driven by means of the shaft (3) are arranged. One rolling bearing (40) is arranged in a fixed position in the housing (1). The second rolling bearing (4) forms with a side wall (100) allocated to it an exchange unit (10), so that different means of arranging the shaft bearings depending on the exchange unit are obtained. Various milling tools which partly project laterally from the housing (1) can thereby be used. The floor milling machine can be used in a multifunctional manner: as surface or floor milling machine, as corner or edge milling machine or as border milling machine. <IMAGE>

Description

Die vorliegende Erfindung betrifft eine fahrbare Bodenfräsmaschine zur Bearbeitung von Oberflächen mit einem Gehäuse, in dem eine Welle, die in zwei Wälzlagern gelagert ist, und ein Fräswerkzeug, das mittels der Welle getrieben wird, angeordnet sind, und einer am Gehäuse angeordneten Deichsel.The present invention relates to a mobile floor milling machine for processing surfaces with a housing in which a shaft, which is mounted in two roller bearings, and a milling tool, which is driven by the shaft, are arranged, and a drawbar arranged on the housing.

Derartige Bodenfräsmaschinen werden zum Reinigen, Aufrauhen oder Abtragen von Beton-, Asphalt- oder Metalloberflächen eingesetzt. Als Fräswerkzeug weisen sie eine rotierende käfigartige Trommel auf, auf deren Käfigachsen mehrere frei rotierende Fräsrädchen angeordnet sind.Floor milling machines of this type are used for cleaning, roughening or removing concrete, asphalt or metal surfaces. As a milling tool, they have a rotating cage-like drum, on the cage axes of which several freely rotating milling wheels are arranged.

Der Nachteil der Bodenfräsmaschinen bekannter Art ist, dass sie einen begrenzten Einsatzbereich haben. Rand- und Eckbereiche von Böden, die an Wände angrenzen, können bis auf einige Zentimeter nicht bearbeitet werden, da das Fräswerkzeug innerhalb eines Gehäuses gelagert ist und so nicht in diese Bereiche gebracht werden kann. Fur die Bearbeitung der Rand- und Eckbereiche musste demzufolge eine andere Lösung gefunden werden. Es werden deshalb Fräsgeräte eingesetzt, bei denen es sich im Gegensatz zur schweren, massiven Bodenfräsmaschine um leichte Handgeräte handelt: die Kanten- und Eckfräsgeräte. Diese Geräte haben den Nachteil, dass keine klare Führung vorhanden ist. Da das Gerät leichter ausgeführt werden muss, ist die Stabilität kleiner als bei den schweren Bodenfräsmaschinen.
Um Borde von Seitenwänden zu bearbeiten wird wiederum ein anderes Gerät eingesetzt: das Bordfräsgerät. Auch in diesem Fall handelt es sich um ein Handgerät mit den obengenannten Nachteilen.The disadvantage of known type of milling machines is that they have a limited area of application. Edge and corner areas of floors that adjoin walls cannot be machined down to a few centimeters, since the milling tool is stored within a housing and therefore cannot be brought into these areas. Another solution had to be found for the processing of the edge and corner areas. Milling machines are therefore used which, in contrast to the heavy, solid floor milling machine, are light hand tools: the edge and corner milling devices. The disadvantage of these devices is that there is no clear guidance. Since the device has to be made lighter, the stability is less than with the heavy-duty floor milling machines.
Another device is used to machine shelves from side walls: the on-board milling device. In this case too, it is a handheld device with the disadvantages mentioned above.

Beim Bearbeiten von Oberflächen müssen demzufolge je nach Anwendungsort verschiedene Geräte oder Maschinen eingesetzt werden. Es ist vorallem keine fahrbare, massive Bodenfräsmaschine zum Bearbeiten von Oberflächen bekannt, die für Böden wie auch für Borde, Ecken und Ränder eingesetzt werden kann.When processing surfaces, different devices or machines must therefore be used depending on the application location. Above all, no mobile, solid floor milling machine for processing surfaces is known which can be used for floors as well as for shelves, corners and edges.

Es ist deshalb Aufgabe der vorliegenden Erfindung, eine Bodenfräsmaschine zu schaffen, die die Vorteile der bekannten Bodenfräsmaschinen aufweist, zugleich aber auch in anderen Bereichen, wie Ecken, Ränder und Borde eingesetzt werden kann.It is therefore an object of the present invention to provide a floor milling machine which has the advantages of the known floor milling machines, but at the same time can also be used in other areas, such as corners, edges and shelves.

Diese Aufgabe löst eine fahrbare Bodenfräsmaschine gemäss Oberbegriff des Patentanspruches 1, die dadurch gekennzeichnet ist, dass das eine Wälzlager ortsfest am Gehäuse angeordnet ist, während das zweite Wälzlager zusammen mit einer ihr zugeordneten Seitenwand des Gehäuses eine Austauscheinheit bildet, so dass sich unterschiedliche Anordnungen der Wellenlagerung ergeben, die den Einsatz unterschiedlicher Fräswerkzeuge erlauben.This object is achieved by a mobile floor milling machine according to the preamble of claim 1, which is characterized in that the one rolling bearing is arranged in a stationary manner on the housing, while the second rolling bearing is arranged together with an associated side wall of the housing forms an exchange unit, so that there are different arrangements of the shaft bearing, which allow the use of different milling tools.

In den Zeichnungen ist ein Ausführungsbeispiel des Erfindungsgegenstandes dargestellt und in der nachfolgenden Beschreibung erläutert. Es zeigt:

Figur 1
eine erfindungsgemässe Bodenfräsmaschine in der Ansicht von der Seite;
Figur 2 a,b
zwei verschiedene entfernbare Seitenplatten im Aufriss;
Figur 3
dieselbe Bodenfräsmaschine wie in Figur 1 in der Ansicht von vorne;
Figur 4 a,b
dieselben Seitenplatten wie in Figur 2 im Seitenriss;
Figur 5
einen Ausschnitt der Bodenfräsmaschine mit einem Flächenfräswerkzeug;
Figur 6
einen Ausschnitt der Bodenfräsmaschine mit einem Eck- und Kantenfräswerkzeug;
Figur 7
einen Ausschnitt der Bodenfräsmaschine mit einem Bordfräswerkzeug;
Figur 8
einen Ausschnitt der Bodenfräsmaschine mit einer Trennscheibe.
In the drawings, an embodiment of the subject matter of the invention is shown and explained in the following description. It shows:
Figure 1
an inventive floor milling machine in the view from the side;
Figure 2a, b
two different removable side panels in elevation;
Figure 3
the same floor milling machine as in Figure 1 in the view from the front;
Figure 4 a, b
the same side plates as in Figure 2 in side elevation;
Figure 5
a section of the floor milling machine with a surface milling tool;
Figure 6
a section of the floor milling machine with a corner and edge milling tool;
Figure 7
a section of the floor milling machine with a board milling tool;
Figure 8
a section of the floor milling machine with a cutting disc.

Die erfindungsgemässe Bodenfräsmaschine, wie in den Figuren 1 und 3 dargestellt, ist grundsätzlich ähnlich wie die bekannten massiven Boden- oder Flächenfräsmaschinen aufgebaut. Die wesentlichsten Elemente für die Mobilität der Maschine sind ein Gehäuse 1, eine Deichsel 9, zwei Rollen 6 und zwei Räder 7. Für das Bearbeiten von Oberflächen sind ein Motor 2, eine gelagerte Welle 3 und ein Fräswerkzeug 5 notwendig.The floor milling machine according to the invention, as shown in FIGS. 1 and 3, is basically similar to the known one massive floor or surface milling machines. The most important elements for the mobility of the machine are a housing 1, a drawbar 9, two rollers 6 and two wheels 7. A motor 2, a mounted shaft 3 and a milling tool 5 are necessary for machining surfaces.

Das Gehäuse kann eine beliebige Form aufweisen. Es muss lediglich die einzelnen Elemente miteinander verbinden und teilweise als Schutz umgeben. An dem Gehäuse 1 ist eine Deichsel 9 befestigt, die an ihrem Ende einen Haltegriff 90 aufweist. Sie dient zum Stossen der Bodenfräsmaschine. Die Deichsel 9 ist um eine horizontale Achse schwenkbar, wobei sie in ihrer jeweiligen Lage mittels Fixierungsmitteln 91 fixierbar ist. Dank der Schwenkbarkeit der Deichsel ist die Bodenfräsmaschine in zwei Stossrichtungen bewegbar, sie kann also vorwärts und rückwärts gefahren werden.The housing can have any shape. It only has to connect the individual elements and partially surround them as protection. A drawbar 9 is attached to the housing 1 and has a handle 90 at its end. It is used for thrusting the floor milling machine. The drawbar 9 can be pivoted about a horizontal axis, and it can be fixed in its respective position by means of fixing means 91. Thanks to the pivoting of the drawbar, the floor milling machine can be moved in two directions, so it can be moved forwards and backwards.

An der Unterseite des Gehäuses 1 sind auf der einen Seite, die in der Hauptfahrrichtung die Vorderseite bildet, zwei Rollen 6 angeordnet. Auf der anderen Seite sind zwei Räder 7 angeordnet, die einen um ein mehrfaches grösseren Durchmesser als die Rollen 6 aufweisen. Diese Räder 7 sind mittels einer Schwenkgabel höhenverstellbar. Die Schwenkgabel bildet mit einer auf sie wirkenden Spindel eine Räderhöheneinstell-Vorrichtung 70. Mit dieser Höheneinstellung kann die Bearbeitungstiefe der Bodenfräsmaschine eingestellt werden. Zudem ermöglicht die Räderhöheneinstellvorrichtung eine schnelle Anhebung der Räder, so dass die Arbeit kurzfristig unterbrochen werden kann.On the underside of the housing 1, two rollers 6 are arranged on one side, which forms the front in the main direction of travel. On the other hand, two wheels 7 are arranged, which have a diameter several times larger than the rollers 6. These wheels 7 are adjustable in height by means of a swivel fork. The pivot fork forms a wheel height adjustment device 70 with a spindle acting on it. With this height adjustment, the working depth of the floor milling machine can be adjusted. In addition, the wheel height adjustment device enables quick Raise the wheels so that work can be interrupted for a short time.

Die Bodenfräsmaschine weist in einer bevorzugten Ausführungsform zudem eine Absaugung auf. Ein Absaugungsschlauch 8 reicht bis in den Bereich der Oberflächenbearbeitung und ist mit seinem anderen Ende an der Deichsel 9 befestigt. Die Deichsel ist mit einem Staubsauger verbindbar.In a preferred embodiment, the floor milling machine also has an extraction system. A suction hose 8 extends into the area of surface treatment and is attached to the drawbar 9 with its other end. The drawbar can be connected to a vacuum cleaner.

Das Gehäuse 1 umgibt die für die Bearbeitung notwendigen Elemente. Im unteren, dem Boden zugewandten Teil ist die Welle 3 angeordnet, wobei sie parallel zum Boden, aber senkrecht zur Fahrrichtung der Bodenfräsmaschine gerichtet ist. Im oberen Bereich, auf einem oberhalb der Welle befindlichen Zwischenboden ist der Motor 2, der die Welle antreibt, befestigt.The housing 1 surrounds the elements necessary for processing. The shaft 3 is arranged in the lower part facing the ground, whereby it is directed parallel to the ground but perpendicular to the direction of travel of the ground milling machine. In the upper area, on an intermediate floor located above the shaft, the motor 2, which drives the shaft, is fastened.

Die Welle 3 überträgt die Rotation auf das Fräswerkzeug 5, das auf ihr gelagert ist. Die Welle 3 ist in zwei Wälzlagern gelagert. Das erste Wälzlager 40 ist ortsfest am Gehäuse 1 angeordnet. Die achsiale Lage des zweiten Wälzlagers bezüglich der Welle 3 ist in der erfindungsgemässen Bodenfräsmaschine wählbar. Dadurch sind verschiedene Fräswerkzeuge einsetzbar. Da auch das zweite Wälzlager in allen Positionen stabil und genau definiert einbaubar sein muss, weist die Bodenfräsmaschine den im folgenden beschriebenen Aufbau auf.The shaft 3 transmits the rotation to the milling tool 5, which is mounted on it. The shaft 3 is supported in two roller bearings. The first roller bearing 40 is arranged in a stationary manner on the housing 1. The axial position of the second roller bearing with respect to the shaft 3 can be selected in the floor milling machine according to the invention. This means that various milling tools can be used. Since the second roller bearing must also be stable and precisely defined in all positions, the floor milling machine has the structure described below.

Das zweite Wälzlager bildet mit einer ihr zugeordneten Seitenwand eine Austauscheinheit. In der erfindungsgemässen Lösung sind zwei verschiedene Austauscheinheiten vorhanden, die die Wählbarkeit der Lagerung ermöglichen. Diese Austauscheinheiten sind in den Figuren 2a, 2b, 4a und 4b dargestellt, wobei ihre Lage derjenigen der in den Figuren 1 und 3 dargestellten Bodenfräsmaschine entspricht, so dass in Kombination der Figuren ihre Einbaulage ersichtlich ist. Die eine Austauscheinheit 10 besteht aus einer Seitenwand 100 für das Gehäuse 1, in der das Wälzlager 4 annähernd bündig eingelassen ist. Das Wälzlager kann beispielsweise ein Flanschlager sein. Die Austauscheinheit 10 ist vom Gehäuse 1 entfernbar. Hierfür weist die Seitenwand 100 zwei Bohrungen 104 auf, so dass sie mittels zwei Schrauben am Gehäuse 1 befestigbar ist. Mit dieser Einsatzeinheit wird die Welle 3 an ihrem dem stationären Wälzlager gegenüberliegenden Ende gelagert. Das mit ihm verwendbare Fräswerkzeug 5 kann sich somit über die gesamte Länge der Welle 3 erstrecken, befindet sich jedoch vollständig innerhalb des Gehäuses 1, so dass der Boden ausschliesslich im Bereich unterhalb des Gehäuses 1 bearbeitet werden kann, wie dies bei herkömmlichen Bodenfräsen üblich ist.The second roller bearing forms an exchange unit with a side wall assigned to it. In the solution according to the invention there are two different exchange units which enable the storage to be selected. These exchange units are shown in FIGS. 2a, 2b, 4a and 4b, their position corresponding to that of the floor milling machine shown in FIGS. 1 and 3, so that their installation position can be seen in the combination of the figures. The one exchange unit 10 consists of a side wall 100 for the housing 1, in which the rolling bearing 4 is almost flush. The rolling bearing can be a flange bearing, for example. The exchange unit 10 can be removed from the housing 1. For this purpose, the side wall 100 has two bores 104, so that it can be fastened to the housing 1 by means of two screws. With this insert unit, the shaft 3 is supported at its end opposite the stationary roller bearing. The milling tool 5 that can be used with it can thus extend over the entire length of the shaft 3, but is located entirely within the housing 1, so that the floor can only be worked in the area below the housing 1, as is customary in conventional floor milling machines.

Die andere Austauscheinheit 10' besteht aus einer teilweise offenen Seitenwand 100', an der im montierten Zustand eine ins Gehäuse 1 ragende Jochkonstruktion angebracht ist. Die offene Seitenwand 100' weist eine Ausnehmung mindestens in der Grösse des Durchmessers des Fräswerkzeuges 5 auf und wird anstelle der abgeschlossenen Seitenwand 100 am Gehäuse befestigt, bevorzugterweise an denselben Stellen. Die Jochkonstruktion besteht aus einer Lageraufnahmeplatte 103, die durch zwei Distanzstangen 102 parallel beabstandet zur Seitenwand 100' angeordnet ist. In der Lageraufnahmeplatte 103 ist ein Wälzlager 4' gehalten, das mit dem Wälzlager 4 der abgeschlossenen Seitenwand 100 identisch ist. Im montierten Zustand reicht also die Lageraufnahmeplatte 103 mit dem Wälzlager 4' in das Innere des Gehäuses 1. Das Wälzlager 4' lagert nun die Welle 3 nicht mehr an ihrem einen Ende sondern im mittleren Bereich. Das Fräswerkzeug 5 ist auf dem kurzen freien Ende der Weile 3 montierbar, wobei ein Teil des Werkzeuges seitlich aus dem Gehäuse 1 ragen kann.The other exchange unit 10 'consists of a partially open side wall 100', to which a yoke construction projecting into the housing 1 is attached in the assembled state. The open side wall 100 'has a recess at least in the size of the diameter of the milling tool 5 and is fixed to the housing instead of the closed side wall 100, preferably in the same places. The yoke construction consists of a bearing receiving plate 103, which is arranged parallel to the side wall 100 ′ at a distance from one another by two spacer bars 102. A roller bearing 4 'is held in the bearing receiving plate 103 and is identical to the roller bearing 4 of the closed side wall 100. In the assembled state, the bearing mounting plate 103 with the roller bearing 4 'extends into the interior of the housing 1. The roller bearing 4' now no longer supports the shaft 3 at one end but in the central region. The milling tool 5 can be mounted on the short free end of the shaft 3, and part of the tool can protrude laterally from the housing 1.

Die Bodenfräsmaschine ist nun in verschiedenen Einsatzbereichen verwendbar. Einige werden im folgenden beschrieben, wobei gleichzeitig auch die jeweils benötigten Fräswerkzeuge erläutert werden.The floor milling machine can now be used in various areas. Some are described below, with the milling tools required in each case also being explained at the same time.

Wird die Fräsmaschine als Flächen- oder Bodenfräsmaschine eingesetzt, so wird ein Flächenfräswerkzeug 51 verwendet, wie es in Figur 5 dargestellt ist. Es besteht wie die bekannten Flächenfräswerkzeuge aus einer käfigartigen Trommel, auf deren Achsen frei drehbare Fräsrädchen 502 angeordnet sind, die den Boden bearbeiten. Als Austauscheinheit wird die oben beschriebene geschlossene Seitenwand 100 mit dem integrierten Wälzlager 4 verwendet. Das Flächenfräswerkzeug 51 lagert also auf der gesamten Länge der Welle und ist vom Gehäuse 1 umgeben.If the milling machine is used as a surface or floor milling machine, a surface milling tool 51 is used, as shown in FIG. 5. Like the known surface milling tools, it consists of a cage-like drum, on the axes of which freely rotatable milling wheels 502 are arranged, which work the soil. The closed side wall 100 described above with the integrated roller bearing 4 is used as an exchange unit. The surface milling tool 51 is therefore stored along the entire length of the shaft and is surrounded by the housing 1.

Soll die Bodenfräsmaschine jedoch zum Bearbeiten von Kanten und Ecken eingesetzt werden, so lässt sie sich mit wenigen Handgriffen umbauen. Anstelle des Flächenfräswerkzeuges 51 wird ein Kanten- und Eckfräswerkzeug 52 verwendet, wie es in Figur 6 dargestellt ist. Es besteht wie das Flächenfräswerkzeug aus einer käfigartigen Trommel 501 mit Fräsrädchen 502. Im Gegensatz zum Flächenfräswerkzeug ist es jedoch nicht auf beiden Seiten durch eine Platte abgeschlossen, sondern weist auf einer Seite ausserhalb der Platte 504 nochmals eine Reihe von Fräsrädchen 502 auf, die auf den Verlängerungen der Käfigstäbe der Trommel lagern. Anstelle der Austauscheinheit 10 mit der geschlossenen Seitenwand 100 wird nun die Austauscheinheit 10' mit der teilweise offenen Seitenwand 100' verwendet. Die Welle 3 ist innerhalb des Gehäuses gelagert, während die Welle das Wälzlager 4' durchsetzt. Das Kanten- und Eckfräswerkzeug, welches über die Ausnehmung der offenen Seitenwand 100' aus dem Gehäuse 1 hinausragt, lagert auf dem freien Ende der Welle 3. Da die bearbeitenden Elemente sich nun teilweise ausserhalb des Gehäuses 1 befinden, können sie so in jede Ecke wirksam werden.However, if the floor milling machine is to be used to machine edges and corners, it can be converted in a few simple steps. Instead of the surface milling tool 51, an edge and corner milling tool 52 is used, as shown in FIG. 6. Like the surface milling tool, it consists of a cage-like drum 501 with milling wheel 502.Unlike the surface milling tool, however, it is not closed off on both sides by a plate, but instead has a row of milling wheels 502 on one side outside the plate 504, which point to the Store extensions of the drum cage bars. Instead of the exchange unit 10 with the closed side wall 100, the exchange unit 10 'with the partially open side wall 100' is now used. The shaft 3 is mounted within the housing, while the shaft passes through the roller bearing 4 '. The edge and corner milling tool, which projects beyond the recess of the open side wall 100 'from the housing 1, rests on the free end of the shaft 3. Since the machining elements are now partially outside the housing 1, they can be effective in every corner become.

Wird die Fräsmaschine als Bordfräsmaschine eingesetzt, so wird dieselbe Austauscheinheit verwendet wie beim Einsatz als Eck- und Kantenfräsmaschine. Als Fräswerkzeug 5 wird nun ein Bordfräswerkzeug 53 verwendet, das aus einem Karussell 503 mit darin angeordneten, drehbaren Bearbeitungsrädchen 502 besteht. Das Karussell 53 wird durch die teilweise offene Seitenwand 100' auf das freie Ende der Welle 3 gesteckt und so getrieben. Auch das Bordfräswerkzeug 53 ragt aus dem Gehäuse 1 heraus, um so optimal an die Borde zu gelangen. Das Bordfräswerkzeug kann zur Nachbearbeitung der Borde durch eine Schleifscheibe ersetzt werden, die ebenfalls auf das freie Wellenende aufsetzbar ist. Eine weitere Möglichkeit besteht darin, dass das Fräswerkzeug 5 durch eine bekannte Trennscheibe ersetzt wird, die auf das freie Ende der Welle 3 aufsetzbar ist.If the milling machine is used as an on-board milling machine, the same exchange unit is used as when used as a corner and edge milling machine. An on-board milling tool 53, which consists of a carousel 503, is now used as the milling tool 5 with rotatable machining wheels 502 arranged therein. The carousel 53 is pushed through the partially open side wall 100 'onto the free end of the shaft 3 and is driven in this way. The on-board milling tool 53 also protrudes from the housing 1 in order to optimally get to the shelves. The on-board milling tool can be replaced by a grinding wheel for reworking the shelves, which can also be placed on the free shaft end. Another possibility is that the milling tool 5 is replaced by a known cutting disc that can be placed on the free end of the shaft 3.

Bei der erfindungsgemässen Bodenfräsmaschine ist also die Position des Wälzlagers, das die Stabilität der Welle gewährleistet, veränderbar. Dadurch kann die Welle mit den verschiedenartigsten Fräswerkzeugen belastet werden, und trotzdem wird sie für jeden Fall optimal gelagert. Somit kann dieselbe Maschine für die verschiedensten Einsatzbereiche verwendet werden. Für gewisse Bereiche, wie die Kanten- und Eckenbearbeitung und die Bordbearbeitung, ist endlich eine massive Maschine vorhanden, die eine beträchtlich höhere Stabilität und Effizienz aufweist als die bekannten Handgeräte. Da zudem die Deichsel, deren Stellung die Vorschubrichtung der Maschine bestimmt, schwenkbar ist, kann die Maschine leicht in alle Eck- und Kantenbereiche gefahren werden, was auch beim Bodenfräsen vorteilhaft ist. Der Austausch der Werkzeuge an der erfindungsgemässen Bodenfräsmaschine erfolgt in allen Fällen mit wenigen Handgriffen, weil die zu verändernde Wellenlagerung durch den Austausch einer einzigen Einheit erfolgt.In the floor milling machine according to the invention, the position of the roller bearing, which ensures the stability of the shaft, can thus be changed. This means that the shaft can be loaded with a wide variety of milling tools, and yet it is optimally supported for every case. This means that the same machine can be used for a wide range of applications. For certain areas, such as edge and corner processing and on-board processing, there is finally a massive machine that is considerably more stable and efficient than the known handheld devices. In addition, since the drawbar, the position of which determines the feed direction of the machine, can be swiveled, the machine can easily be moved to all corners and edges, which is also advantageous when milling on the ground. In all cases, the tools on the floor milling machine according to the invention can be exchanged in a few simple steps, because the shaft bearing to be changed is done by replacing a single unit.

Claims (9)

Fahrbare Bodenfräsmaschine zur Bearbeitung von Oberflächen mit einem Gehäuse (1), in dem eine Welle (3), die in zwei Wälzlagern (40,4,4') gelagert ist, und ein Fräswerkzeug (5), das mittels der Welle (3) getrieben wird, angeordnet sind, und einer am Gehäuse (1) angeordneten Deichsel (9), dadurch gekennzeichnet, dass das eine Wälzlager (40) ortsfest am Gehäuse angeordnet ist, während das zweite Wälzlager (4,4') zusammen mit einer ihr zugeordneten Seitenwand (100,100') des Gehäuses (1) eine Austauscheinheit (10,10') bildet, so dass sich unterschiedliche Anordnungen der Wellenlagerung ergeben, die den Einsatz unterschiedlicher Fräswerkzeuge erlauben.Mobile floor milling machine for processing surfaces with a housing (1) in which a shaft (3), which is mounted in two roller bearings (40, 4, 4 '), and a milling tool (5), which by means of the shaft (3) driven, are arranged, and a drawbar (9) arranged on the housing (1), characterized in that the one roller bearing (40) is arranged stationary on the housing, while the second roller bearing (4, 4 ') together with one assigned to it Side wall (100, 100 ') of the housing (1) forms an exchange unit (10, 10'), so that different arrangements of the shaft bearing result, which allow the use of different milling tools. Bodenfräsmaschine nach Anspruch 1, dadurch gekennzeichnet, dass verschiedenen Austauscheinheiten (10,10') vorhanden sind.Soil milling machine according to claim 1, characterized in that different exchange units (10, 10 ') are present. Bodenfräsmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Austauscheinheit (10) eine geschlossene Seitenwand (100) aufweist, in der das Wälzlager angeordnet ist, so dass dieses im montierten Zustand die Welle an ihrem dem ortsfesten Wälzlager (40) gegenüberliegenden Ende lagert.Soil milling machine according to claim 1, characterized in that the exchange unit (10) has a closed side wall (100) in which the roller bearing is arranged, so that in the assembled state it supports the shaft at its end opposite the stationary roller bearing (40). Bodenfräsmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Austauscheinheit (10') aus einer teilweise offenen Seitenwand (100') und einer daran angeordneten Jochkonstruktion mit zwei Distanzstangen (102) und einer Lageraufnahmeplatte (103), in der das Wälzlager (4') eingelassen ist, besteht, wobei die Jochkonstruktion im montierten Zustand in das Gehäuse (1) hineinragt, so dass das Wälzlager (4') die Welle (3) in derem mittleren Bereich lagert und das Fräswerkzeug (5) auf das freie Ende der Welle (3) montierbar ist.Soil milling machine according to claim 1, characterized in that the exchange unit (10 ') consists of a partial There is an open side wall (100 ') and a yoke structure arranged thereon with two spacer bars (102) and a bearing mounting plate (103) in which the roller bearing (4') is embedded, the yoke structure protruding into the housing (1) in the assembled state , so that the roller bearing (4 ') supports the shaft (3) in its central area and the milling tool (5) can be mounted on the free end of the shaft (3). Bodenfräsmaschine nach Anspruch 4, dadurch gekennzeichnet, dass das Fräswerkzeug (5) seitlich aus dem Gehäuse (1) hinausragt.Soil milling machine according to claim 4, characterized in that the milling tool (5) protrudes laterally from the housing (1). Bodenfräsmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Fräswerkzeuge (5) Flächenfräsen (51) zum Bearbeiten von Böden, Bordfräsen (53) oder Schleifscheiben zum Bearbeiten von Borden und Kanten- und Eckfräsen (51) zum Bearbeiten von Eckbereichen sind.Soil milling machine according to claim 1, characterized in that the milling tools (5) are surface milling machines (51) for machining floors, board milling machines (53) or grinding disks for machining boards and edge and corner milling machines (51) for machining corner regions. Bodenfräsmaschine nach Anspruch 1, dadurch gekennzeichnet, dass anstelle des Fräswerkzeuges eine Trennscheibe (54) mittels der Welle treibbar ist.Soil milling machine according to claim 1, characterized in that instead of the milling tool, a cutting disc (54) can be driven by means of the shaft. Bodenfräsmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Deichsel (9) um eine horizontale Achse schwenkbar ist.Soil milling machine according to claim 1, characterized in that the drawbar (9) is pivotable about a horizontal axis. Verwendung der Bodenfräsmaschine nach Anspruch 1, dadurch gekennzeichnet, dass sie multifunktionell als Boden-, als Bord- und als Kanten- und Eckfräsmaschine eingesetzt wird.Use of the floor milling machine according to claim 1, characterized in that it is used multifunctionally as a floor, as a board and as an edge and corner milling machine.
EP94116601A 1993-12-14 1994-10-21 Floor milling machine Expired - Lifetime EP0661144B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH374393 1993-12-14
CH3743/93 1993-12-14
CH03743/93A CH687445A5 (en) 1993-12-14 1993-12-14 Floor milling machine.

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EP0661144A1 true EP0661144A1 (en) 1995-07-05
EP0661144B1 EP0661144B1 (en) 2000-03-01

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EP94116601A Expired - Lifetime EP0661144B1 (en) 1993-12-14 1994-10-21 Floor milling machine

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EP (1) EP0661144B1 (en)
AT (1) ATE189989T1 (en)
CH (1) CH687445A5 (en)
DE (1) DE59409168D1 (en)
ES (1) ES2145085T3 (en)

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DE19502278A1 (en) * 1995-01-26 1996-08-08 Schwamborn Baumaschinen Gmbh Mobile grinder for removal of esp. concrete surface in strips
ES2135326A1 (en) * 1997-05-16 1999-10-16 Gomez Antonio Gabriel Sierra Machine tool for stripping plaster and tiles off horizontal and vertical surfaces
WO2000010785A1 (en) * 1998-08-18 2000-03-02 Rsb Betontrenntechnik Gmbh Milling device for machining concrete surfaces and corresponding milling method
EP1454728A1 (en) * 2003-03-07 2004-09-08 Air-tec AG Milling machine for border- and corner-area
EP1767311A1 (en) * 2005-09-21 2007-03-28 Blastrac B.V. Milling arrangement for tunnel walls
CH696975A5 (en) 2001-10-03 2008-02-29 Airtec Ag Milling wheels to a bottom milling.

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CH697895B1 (en) 2001-06-16 2009-03-13 Air Tec Ag Milling drum to a ground milling machine.
CH710753B1 (en) 2015-02-18 2019-03-29 Airtec Ag Spring element for mounting on the basis of a tillage machine.

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* Cited by examiner, † Cited by third party
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DE19502278A1 (en) * 1995-01-26 1996-08-08 Schwamborn Baumaschinen Gmbh Mobile grinder for removal of esp. concrete surface in strips
ES2135326A1 (en) * 1997-05-16 1999-10-16 Gomez Antonio Gabriel Sierra Machine tool for stripping plaster and tiles off horizontal and vertical surfaces
WO2000010785A1 (en) * 1998-08-18 2000-03-02 Rsb Betontrenntechnik Gmbh Milling device for machining concrete surfaces and corresponding milling method
CH696975A5 (en) 2001-10-03 2008-02-29 Airtec Ag Milling wheels to a bottom milling.
EP1454728A1 (en) * 2003-03-07 2004-09-08 Air-tec AG Milling machine for border- and corner-area
EP1767311A1 (en) * 2005-09-21 2007-03-28 Blastrac B.V. Milling arrangement for tunnel walls

Also Published As

Publication number Publication date
ATE189989T1 (en) 2000-03-15
CH687445A5 (en) 1996-12-13
DE59409168D1 (en) 2000-04-06
EP0661144B1 (en) 2000-03-01
ES2145085T3 (en) 2000-07-01

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