EP2823102B1 - Self-propelled road milling machine for processing road surfaces, and method for processing road surfaces - Google Patents

Self-propelled road milling machine for processing road surfaces, and method for processing road surfaces Download PDF

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Publication number
EP2823102B1
EP2823102B1 EP13703629.9A EP13703629A EP2823102B1 EP 2823102 B1 EP2823102 B1 EP 2823102B1 EP 13703629 A EP13703629 A EP 13703629A EP 2823102 B1 EP2823102 B1 EP 2823102B1
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Prior art keywords
milling
scraper blade
accordance
self
road
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German (de)
French (fr)
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EP2823102A1 (en
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Hardy Emme
Andreas Salz
Cyrus Barimani
Günter HÄHN
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Wirtgen GmbH
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Wirtgen GmbH
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088—Rotary tools, e.g. milling drums
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
    • E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
    • E01C23/127—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus rotary, e.g. rotary hammers

Definitions

  • the milling drum 12 is provided with tools 13.
  • the milling drum 12 rotates in the view from the left side of Fig. 1 seen in clockwise direction.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Road Repair (AREA)

Description

Die Erfindung betrifft eine selbstfahrende Straßenfräsmaschine bzw. ein Verfahren zum Bearbeiten von Straßenoberflächen, nach dem Oberbegriff des Anspruchs 1 bzw. 12.The invention relates to a self-propelled road milling machine or a method for processing road surfaces, according to the preamble of claim 1 or 12.

Derartige Straßenfräsmaschinen weisen in der Regel ein höhenverstellbares Fahrwerk, bestehend aus in Fahrtrichtung vorderen und hinteren Ketten- und/ oder Radlaufwerken auf, die die Vorderachse, bzw. die Hinterachse bilden. Dabei kann jede Achse ein oder mehrere Laufwerke aufweisen. Der Maschinenrahmen wird von dem Fahrwerk getragen. Am Maschinenrahmen ist ein Fräswalzengehäuse angeordnet, das eine in dem Fräswalzengehäuse drehbar gelagerte Fräswalze aufweist. An dem Fräswalzengehäuse kann mit Hilfe eines Bandschuhs eine Transportbandeinrichtung zum Abtransport des von der Fräswalze abgearbeiteten und ausgeworfenen Fräsgutes gekoppelt werden.Such road milling machines generally have a height-adjustable chassis, consisting of front and rear in the direction of travel chain and / or wheel drives, which form the front axle, or the rear axle. Each axis can have one or more drives. The machine frame is supported by the chassis. On the machine frame a Fräswalzengehäuse is arranged, which has a rotatably mounted in the Fräswalzengehäuse milling drum. At the milling drum housing, a conveyor belt device can be coupled with the aid of a belt shoe for the removal of the milling material processed and ejected from the milling drum.

Eine derartige Straßenfräse ist beispielsweise aus der EP 2 011 921 A bekannt.Such a road milling machine is for example from the EP 2 011 921 A known.

Das Fräswalzengehäuse ist mit einer Stirnseite nahezu bündig mit einer Außenseite des Maschinenrahmens, der sogenannten Nullseite, um ein möglichst nahes Fräsen entlang von Kanten oder Hindernissen zu ermöglichen. Das Fräswalzengehäuse ist relativ zum Maschinenrahmen nicht höhenverstellbar, so dass das vollständige Maschinengewicht auf die Fräswalze übertragen werden kann, um hohe Schnittkräfte und damit eine hohe Frästiefe zu ermöglichen.The Fräswalzengehäuse is almost flush with an end face with an outside of the machine frame, the so-called zero side to allow the closest possible milling along edges or obstacles. The Fräswalzengehäuse is not height adjustable relative to the machine frame, so that the full machine weight can be transferred to the milling drum to allow high cutting forces and thus a high milling depth.

Insbesondere bei Fräsarbeiten, die relativ zur Nullseite nach innen führen, besteht bei Straßenfräsen das Problem, dass der Fahrzeugführer nicht exakt einer vorgegebenen Kurvenlinie mit einem engen Kurvenradius folgen konnte. Hierzu ist in der EP 2 011 921 eine Lösung entnehmbar, durch die eine Sichtkontrolle für die Lenkung einer Großfräse ermöglicht worden ist, wodurch die Manövrierfähigkeit einer Straßenfräse verbessert werden konnte.In particular, in milling, which lead inwards relative to the zero side, there is the problem in road milling that the driver could not follow exactly a predetermined curved line with a tight turning radius. This is in the EP 2 011 921 a solution was removed, through which a visual inspection for the steering of a large milling machine has been made, whereby the maneuverability of a road milling machine could be improved.

Aus der EP 0 685 598 A1 ist eine an einem Abstreiferschild an dessen unterem Ende bewegliche Stützleiste bekannt, die über eine Langlochführung quer zur Fahrtrichtung der Straßenfräse beweglich ist.From the EP 0 685 598 A1 is a on a scraper blade at the lower end movable support bar is known, which is movable via a slot guide transverse to the direction of travel of the road milling machine.

Der Erfindung liegt die Aufgabe zugrunde, eine selbstfahrende Straßenfräsmaschine der eingangs genannten Art zu schaffen, die universeller einsetzbar ist und deren Manövrierfähigkeit verbessert ist.The invention has for its object to provide a self-propelled road milling machine of the type mentioned, which is universally applicable and their maneuverability is improved.

Zur Lösung dieser Aufgabe dienen die Merkmale des Anspruchs 1 bzw. 12.To solve this problem serve the features of claim 1 and 12, respectively.

Die Erfindung sieht in vorteilhafter Weise vor, dass bei einer Straßenfräse nach dem Oberbegriff des Anspruchs 1 zur Verbesserung der Manövrierfähigkeit und zur universellen Verwendbarkeit der Abstreiferschild seitlich in der Frässpur der Fräswalze federnd gegen die zur Straßenoberfläche im Wesentlichen orthogonalen Fräskanten der Frässpur anliegt.The invention provides in an advantageous manner that in a road milling machine according to the preamble of claim 1 to improve the maneuverability and universal usability of the scraper blade laterally in the milling track of the milling drum resiliently abuts against the road surface substantially orthogonal Fräskanten the milling track.

Dadurch, dass der Abstreiferschild seitlich einfedern kann, können enge Kurvenradien gefahren werden, ohne dass sich der Abstreiferschild verkantet. Ein weiterer Vorteil besteht darin, dass der Abstreiferschild durch das elastische Anliegen des Abstreiferschildes gegen die Fräskante der Frässpur die Frässpur ohne Fräsgutrückstände abziehen kann.Due to the fact that the scraper blade can deflect laterally, tight curve radii can be driven without the scraper blade tilting. Another advantage is that the wiper blade can subtract the milling track without Fräsgutrückstände by the elastic concerns of the wiper blade against the milling edge of the milling track.

Dabei kann das in Fahrtrichtung hintere Ende des Fräswalzengehäuses mit einem höhenverstellbaren Abstreiferschild abschließen, der an beiden seitlichen Enden jeweils ein bewegliches Schildelement aufweist, das an der Unterkante im We sentlichen bündig mit dem Abstreiferschild abschließt und mit diesem gemeinsam höhenverstellbar ist, wobei die Schildelemente parallel zu dem Abstreiferschild und der Fräswalzenachse gegen eine Vorspannung zur dynamischen Anpassung der Abstreiferschildbreite während des Fräsens verstellbar sind.Here, the rear end of the milling drum housing in the direction of travel can conclude with a height-adjustable wiper blade, which has at both lateral ends in each case a movable shield element, which at the lower edge in the We sentlichen flush with the scraper blade terminates and is vertically adjustable with this, the shield elements are parallel to the scraper blade and the Fräswalzenachse against a bias for dynamic adjustment of the Abstreiferschildbreite during milling adjustable.

Ein solcher Abstreiferschild mit seitlichen beweglichen Schildelementen hat den Vorteil, dass die Schildbreite sich dynamisch an die Frässpur anpasst. Dies ist insbesondere von Vorteil bei engen Kurvenfahrten.Such a scraper blade with side movable shield elements has the advantage that the blade width adapts dynamically to the milling track. This is particularly advantageous for tight cornering.

Die Vorspannung wird vorzugsweise hydraulisch erzeugt und kann auch hinsichtlich der Höhe der Vorspannungskraft einstellbar vorgesehen sein. Alternativ kann die Vorspannung mechanisch, beispielsweise durch eine Federspannung oder mit einer Gasfeder erzeugt werden.The bias voltage is preferably generated hydraulically and may also be provided adjustable in terms of the magnitude of the biasing force. Alternatively, the bias can be generated mechanically, for example by a spring tension or with a gas spring.

Bei einem Verfahren zum Bearbeiten von Straßenoberflächen durch Fräsen der Straßenoberfläche mit einer Fräswalze einer Straßenfräsmaschine und Abziehen des in der durch die Fräswalze erzeugten Frässpur verbleibenden Fräsgutes mit einem Abstreiferschild, ist vorgesehen, dass zur dynamischen Anpassung der Breite des Abstreiferschildes an die Frässpur während des Fräsens der Abstreiferschild seitlich in der Frässpur federnd gegen die zur Straßenoberfläche im Wesentlichen orthogonalen Fräskanten der Frässpur angelegt wird.In a method for processing road surfaces by milling the road surface with a milling drum of a road milling machine and removing the milling material in the milled by the milling track remaining milled material with a scraper blade, it is provided that for dynamically adapting the width of the scraper blade to the milling track during milling Scraper blade side of the milling track is resiliently applied against the road surface substantially orthogonal milling edges of the milling track.

Diese Vorgehensweise hat den Vorteil, dass enge Kurvenradien problemlos gefahren werden können, da sich der Abstreiferschild durch die dynamische Anpassung seiner Position nicht verkanten kann. Die beidseitige dynamische Anpassung bewirkt, dass der Abstreiferschild seitlich abdichtend in der Frässpur geführt werden kann, und dass insbesondere bei enger Kurvenfahrt keine Beschädigungen oder kein erhöhter Verschleiß an dem Abstreiferschild auftreten können.This approach has the advantage that tight curve radii can be driven easily, since the wiper blade can not tilt due to the dynamic adjustment of its position. The two-sided dynamic adjustment causes the scraper blade can be performed laterally sealing in the milling track, and that in particular with tight cornering no damage or no increased wear on the scraper blade can occur.

Im Folgenden wird unter Bezugnahme auf die Zeichnungen ein Ausführungsbeispiel der Erfindung näher erläutert:An embodiment of the invention will be explained in more detail below with reference to the drawings.

Es zeigen:

Fig. 1
eine schematische Teilansicht der selbstfahrenden Straßenfräsmaschine,
Fig. 2
das Fräswalzengehäuse in Rückansicht mit Abstreifschild, und
Fig. 3
eine perspektivische Ansicht der Kombination des Fräswalzengehäuses mit der angekoppelten Transportbandeinrichtung von unten.
Show it:
Fig. 1
a schematic partial view of the self-propelled road milling machine,
Fig. 2
the milling drum housing in rear view with scraper blade, and
Fig. 3
a perspective view of the combination of the Fräswalzengehäuses with the coupled conveyor belt device from below.

Fig. 1 zeigt eine Straßenfräsmaschine 1, mit einem Maschinenrahmen 8 und einem Fahrwerk 4 mit in Fahrtrichtung 31 vorderen und hinteren Laufwerken 5,6. Die Laufwerke 5,6 bilden eine lenkbare Vorderachse und lenkbare Hinterachse. Das Fahrwerk 4 ist über Hubsäulen 7 mit dem Maschinenrahmen 8 verbunden, mit deren Hilfe der Abstand des Maschinenrahmens 8 von einer Straßenoberfläche 2 einstellbar ist. Jede Fahrwerksachse weist mindestens ein Kettenlaufwerk 5,6 oder ein Radlaufwerk auf. Fig. 1 shows a road milling machine 1, with a machine frame 8 and a chassis 4 with in the direction of travel 31 front and rear drives 5.6. The drives 5.6 form a steerable front axle and steerable rear axle. The chassis 4 is connected via lifting columns 7 with the machine frame 8, by means of which the distance of the machine frame 8 from a road surface 2 is adjustable. Each chassis axle has at least one track drive 5, 6 or a wheel drive.

Am in Fahrtrichtung vorderen Ende der Straßenbaumaschine 1 kann eine in Höhen- und Seitenrichtung schwenkbare Transportbandeinrichtung 18 zum Abtransport des abgefrästen Fräsgutes angeordnet sein. Alternativ kann eine Transporteinrichtung am hinteren Ende der Straßenbaumaschine am Abstreiferschild angeordnet sein.At the front end of the road construction machine 1 in the direction of travel, a conveyor belt device 18, which can be pivoted in the vertical and lateral direction, can be arranged for the removal of the milled material to be milled. Alternatively, a transport device may be arranged at the rear end of the road construction machine on the scraper blade.

Die vorderen und die hinteren Laufwerke 5,6 des Fahrwerks 4 können aus Kettenlaufwerken oder Rädern bestehen.The front and rear drives 5,6 of the chassis 4 may consist of crawler tracks or wheels.

Zwischen den Laufwerken 5,6 ist eine Fräswalze 12 angeordnet, die mit ihrer Fräswalzenachse in einem Fräswalzengehäuse 10 gelagert ist und über einen Fräswalzenantrieb 14 angetrieben wird.Between the drives 5.6 a milling drum 12 is arranged, which is mounted with its Fräswalzenachse in a Fräswalzengehäuse 10 and is driven by a milling drum drive 14.

Die Fräswalze 12 reicht mit ihrer einen Stirnseite 22 bis an die in Fig. 1 als Nullseite dargestellte Außenseite 26,28 des Maschinenrahmens 8 heran. Auf der Nullseite befindet sich die entsprechende Stirnseite 22 der Fräswalze sehr nah an der Außenseite der Straßenfräsmaschine, so dass sehr eng an Straßenkanten oder Hindernissen vorbei gefräst werden kann.The milling drum 12 extends with its one end face 22 to the in Fig. 1 shown as zero side outside 26,28 of the machine frame 8 zoom. On the null side, the corresponding end face 22 of the milling drum is very close the outside of the road milling machine, so that very close to road edges or obstacles can be milled past.

An den Stirnseiten 22 der Fräswalze 12 und neben dem Fräswalzengehäuse 10 ist jeweils ein höhenverstellbarer Seitenschild 15 angeordnet, der als Kantenschutz dient.At the end faces 22 of the milling drum 12 and adjacent to the Fräswalzengehäuse 10 each a height-adjustable side plate 15 is arranged, which serves as edge protection.

Die Fräswalze 12 kann in Fahrtrichtung 31 gesehen mittig zwischen dem vorderen Laufwerk 5 und dem hinteren Laufwerk 6 angeordnet sein. Alternativ kann die Fräswalze beispielsweise zwischen den hinteren Laufwerken 6 angeordnet sein.The milling drum 12 can be arranged centrally in the direction of travel 31 between the front drive 5 and the rear drive 6. Alternatively, the milling drum may for example be arranged between the rear drives 6.

Die Fräswalze 12 ist mit Werkzeugen 13 versehen. Die Fräswalze 12 dreht sich in der Ansicht von der linken Seite der Fig. 1 gesehen in Uhrzeigerrichtung.The milling drum 12 is provided with tools 13. The milling drum 12 rotates in the view from the left side of Fig. 1 seen in clockwise direction.

Die Fräswalze 12 kann auch aus mehreren Teilen zusammengesetzt sein, oder beispielsweise aus mindestens einem auf einen Grundkörper aufgeschobenen Walzenrohr bestehen. Desgleichen kann die Fräswalze auch aus mehreren Segmenten zusammengesetzt sein.The milling drum 12 may also be composed of several parts, or for example consist of at least one pushed onto a base roller tube. Likewise, the milling drum can also be composed of several segments.

Oberhalb der Fräswalze 12 befindet sich ein Fahrstand 16, der zwei Sitze 20 mit zwei Lenkeinrichtungen 24 aufweisen kann, die für links- bzw. rechtsbündiges Fräsen entlang einer Straße vorgesehen sind. Es versteht sich, dass auch ein quer zur Fahrtrichtung verschiebbarer Fahrstand mit einem Sitz mit zugehöriger Lenkeinrichtung 24 verwendet werden kann, der je nach Bedarf auf die linke oder rechte Seite der Straßenfräsmaschine 1 verschiebbar ist.Above the milling drum 12 is a control station 16, which may have two seats 20 with two steering devices 24, which are provided for left- or right-aligned milling along a road. It goes without saying that a control station which can be displaced transversely to the direction of travel can also be used with a seat with associated steering device 24, which can be displaced as required to the left or right side of the road milling machine 1.

Die Außenseite 26,28 kann vor dem Fahrerstand 16 eine Aussparung 32 aufweisen. Diese Aussparung 32 ermöglicht die Beobachtung des vorderen Laufwerks 5 und damit die Beobachtung des momentanen Lenkeinschlags.The outside 26,28 may have a recess 32 in front of the driver's cab 16. This recess 32 allows the observation of the front drive 5 and thus the observation of the current steering angle.

In Fig. 1 ist das Fräswalzengehäuse 10 mit einem angehobenen Abstreiferschild 64 gezeigt, wobei auch der Seitenschild 15 angehoben ist, um die Lage der Fräswalze 12 zu zeigen. Der Seitenschild 15 ist beidseitig an dem Fräswalzengehäuse 10 über eine Doppelanordnung von Kolbenzylindereinheiten 17 befestigt, wobei die Doppelanordnung einen besonders großen Hub der Kolbenzylindereinheiten 17 ermöglicht.In Fig. 1 the milling drum housing 10 is shown with a raised scraper blade 64, wherein the side plate 15 is raised to show the position of the milling drum 12. The side plate 15 is attached to both sides of the milling drum housing 10 via a double arrangement of piston-cylinder units 17, wherein the double arrangement allows a particularly large stroke of the piston-cylinder units 17.

In Fig. 3 ist auf der Frontseite des Fräswalzengehäuses 10 ein Bandschuh 40 angeordnet, der zur Aufnahme des unteren Endes 44 der Transportbandeinrichtung 18 dient.In Fig. 3 is on the front side of the Fräswalzengehäuses 10, a belt shoe 40 is arranged, which serves to receive the lower end 44 of the conveyor belt device 18.

Die Werkzeuge 13 der Fräswalze 12 sind in Umfangrichtung spiralförmig angeordnet, wobei die Fräswalze 12 gegenläufige Spiralen von Werkzeugen 13 aufweist, die das abgefräste Material zur Auswurföffnung transportieren und von der Auswurföffnung auf die Transportbandeinrichtung 18 befördern.The tools 13 of the milling drum 12 are arranged spirally in the circumferential direction, wherein the milling drum 12 has opposing scrolls of tools 13, which transport the milled material to the ejection opening and conveyed from the ejection opening to the conveyor belt device 18.

Fig. 2 zeigt eine rückwärtige perspektivische Ansicht des Fräswalzengehäuses 10, an dem ein mit Hilfe von Kolbenzylindereinheiten 65 höhenverstellbarer Abstreiferschild 64 angeordnet ist. Der Abstreiferschild 64 kann auch nach oben verschwenkt werden, wenn die Werkzeuge 13 auf der Fräswalze 12 zugänglich sein müssen. Fig. 2 shows a rear perspective view of the Fräswalzengehäuses 10, on which a height adjustable by means of piston-cylinder units 65 Abstreiferschild 64 is arranged. The scraper blade 64 can also be pivoted upward when the tools 13 on the milling drum 12 must be accessible.

Der Abstreiferschild 64 weist auf seiner der Fräswalze 12 zugewandten Seite an seinen seitlichen Außenkanten jeweils ein bewegliches Schildelement 74 auf, das mit Hilfe einer federnden Vorspanneinrichtung 76 gegen die orthogonal zur Straßenoberfläche 2 verlaufende Fräskante 70 (Fig. 1) in der Frässpur 68 angedrückt werden kann.The scraper blade 64 has on its side facing the milling drum 12 at its lateral outer edges in each case a movable shield member 74 which by means of a resilient biasing means 76 against the orthogonal to the road surface 2 extending milling edge 70 (FIG. Fig. 1 ) can be pressed in the milling track 68.

Die Unterkante 78 des seitlich beweglichen Schildelementes 74 schließt bündig mit der Unterkante des Abstreiferschildes 64 ab. Die Schildelemente 74 sind gemeinsam mit dem Abstreiferschild 64 höhenverstellbar. Die federnden Vorspanneinrichtungen 76 können auf unterschiedliche Weise die Vorspannung erzeugen. Im Ausführungsbeispiel der Fig. 2 sind die Vorspanneinrichtungen 76 als Kolbenzylinderelemente dargestellt, die hydraulisch vorgespannt werden können.The lower edge 78 of the laterally movable shield element 74 terminates flush with the lower edge of the scraper blade 64. The shield elements 74 are height adjustable together with the Abstreiferschild 64. The resilient biasing means 76 may produce the bias in a different manner. In the embodiment of Fig. 2 the biasing means 76 are shown as piston-cylinder elements which can be hydraulically biased.

Claims (15)

  1. Self-propelled road milling machine (1) for processing road surfaces (2),
    - with a machine frame (8) supported by a height-adjustable traveling gear unit (4),
    - with a milling drum (12) mounted to rotate in a milling drum housing (10),
    - with a milling drum drive (14) for the milling drum (12), and
    - with a height-adjustable scraper blade (64) in the milling track (68) of the milling drum (12), said scraper blade closing the milling drum housing towards the rear,
    characterized in that
    the scraper blade is designed in such a manner that, during the milling, laterally in the milling track (68) of the milling drum (12), the scraper blade lies resiliently against the milling edge (70) of the milling track (68), said milling edge extending essentially orthogonal to the road surface (2).
  2. Self-propelled road milling machine in accordance with claim 1, characterized in that the scraper blade (64) comprises, on both lateral ends, a respective movable blade element (74) which, on the lower edge (78), terminates essentially flush with the scraper blade (64) and is height-adjustable together with the same.
  3. Self-propelled road milling machine in accordance with claim 2, characterized in that the blade elements (74) are adjustable, against an initial tension, parallel to the scraper blade (64) and the milling drum axis for dynamic adjustment of the scraper blade width during the milling operation.
  4. Self-propelled road milling machine in accordance with any one of claims 2 or 3, characterized in that resilient pre-tensioning devices (76) pretension the respective blade elements (74) parallel to the scraper blade (64) and the milling drum axis against the milling edges (70) of the milling track (68), said milling edges extending essentially orthogonal to the road surface (2).
  5. Self-propelled road milling machine in accordance with claim 4, characterized in that the pre-tensioning devices (76) comprise piston-cylinder elements which can be pre-tensioned hydraulically.
  6. Self-propelled road milling machine in accordance with claim 4 or 5, characterized in that the pre-tensioning devices (76) are adjustable in terms of the initial tension force.
  7. Self-propelled road milling machine in accordance with any one of claims 1 to 6, characterized in that the milling drum housing, with one front end, terminates nearly flush with a lateral outer side (26, 28) of the machine frame (8), the so-called zero-clearance side, in order to enable milling as close along edges or obstacles as possible.
  8. Self-propelled road milling machine in accordance with any one of claims 1 to 7, characterized in that a transport conveyor device (18) acting together with the milling drum housing (10) transports away the milled material worked off by the milling drum (12) towards the front.
  9. Self-propelled road milling machine in accordance with any one of claims 1 to 8, characterized in that front and rear traveling gear unit axles of the traveling gear unit as seen in the direction of travel are provided and that the milling drum housing (10) is arranged at the machine frame (8) between the front and rear traveling gear unit axles.
  10. Self-propelled road milling machine in accordance with any one of claims 1 to 9, characterized in that the scraper blade (64) is pivotable upwards.
  11. Self-propelled road milling machine in accordance with any one of claims 1 to 10, characterized in that the milling drum housing is movable transverse to the direction of travel.
  12. Method for processing road surfaces by milling the road surface with a milling drum of a road milling machine and stripping the milled material remaining in the milling track created by the milling drum by means of a scraper blade,
    characterized in that,
    for dynamic adjustment of the width of the scraper blade (64) to the milling track during the milling operation, the scraper blade (64), laterally in the milling track (68), lies resiliently against the milling edges (70) of the milling track (68), said milling edges extending essentially orthogonal to the road surface (2).
  13. Method in accordance with claim 12, characterized in that, on both lateral ends, a respective blade element (74) movable parallel to the scraper blade (64) and the milling drum axis is adjusted against an initial tension for dynamic adjustment of the scraper blade width during the milling operation.
  14. Method in accordance with claim 13, characterized in that the initial tension is generated hydraulically.
  15. Method in accordance with any one of claims 13 to 14, characterized in that the initial tension is adjustable.
EP13703629.9A 2012-03-08 2013-02-13 Self-propelled road milling machine for processing road surfaces, and method for processing road surfaces Active EP2823102B1 (en)

Applications Claiming Priority (2)

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PCT/EP2013/052895 WO2013131726A1 (en) 2012-03-08 2013-02-13 Self-propelled road milling machine for processing road surfaces, and method for processing road surfaces

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EP13157759.5A Active EP2636794B1 (en) 2012-03-08 2013-03-05 Large-scale self-propelled milling machine for machining road surfaces and method for machining road surfaces
EP16201742.0A Active EP3165676B1 (en) 2012-03-08 2013-03-05 Self-propelled street milling machine for machining road surfaces, in particular large-scale milling machine and method for machining road surfaces

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JP2021181748A (en) 2021-11-25
JP6690854B2 (en) 2020-04-28
EP2636794A1 (en) 2013-09-11
BR102013005542A2 (en) 2015-08-11
EP3165676A1 (en) 2017-05-10
JP2020169550A (en) 2020-10-15
JP2022186972A (en) 2022-12-15
US20200141072A1 (en) 2020-05-07
CN104160092A (en) 2014-11-19
JP2015513019A (en) 2015-04-30
CN104160092B (en) 2016-03-23
BR102013005542B1 (en) 2020-12-15
US20170030033A1 (en) 2017-02-02
JP2017048680A (en) 2017-03-09
EP3165676B1 (en) 2020-10-14
DE102012203649A1 (en) 2013-09-12
JP5598826B2 (en) 2014-10-01
CN203229862U (en) 2013-10-09
JP2013185439A (en) 2013-09-19
JP6429157B2 (en) 2018-11-28
JP2014222017A (en) 2014-11-27
JP7168737B2 (en) 2022-11-09
JP6038846B2 (en) 2016-12-07
JP7560522B2 (en) 2024-10-02
US10450709B2 (en) 2019-10-22
EP2636794B1 (en) 2017-02-22
JP7169317B2 (en) 2022-11-10
US9416502B2 (en) 2016-08-16
JP2018127889A (en) 2018-08-16
WO2013131726A1 (en) 2013-09-12
AU2013201364B2 (en) 2016-07-14
EP2823102A1 (en) 2015-01-14
CN103306187B (en) 2016-08-31
US20130234493A1 (en) 2013-09-12
CN103306187A (en) 2013-09-18
AU2013201364A1 (en) 2013-09-26
JP5950370B2 (en) 2016-07-13

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