EP3301223B1 - Device for reconditioning and profiling damaged water bound coverings - Google Patents

Device for reconditioning and profiling damaged water bound coverings Download PDF

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Publication number
EP3301223B1
EP3301223B1 EP17001591.1A EP17001591A EP3301223B1 EP 3301223 B1 EP3301223 B1 EP 3301223B1 EP 17001591 A EP17001591 A EP 17001591A EP 3301223 B1 EP3301223 B1 EP 3301223B1
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EP
European Patent Office
Prior art keywords
roller
frame
levelling device
path
road
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EP17001591.1A
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German (de)
French (fr)
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EP3301223A1 (en
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Florian Lagger
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Individual
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Priority to SI201730269T priority Critical patent/SI3301223T1/en
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Classifications

    • 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
    • E01C23/08—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
    • E01C23/082—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 non-powered tools
    • 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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7604—Combinations of scraper blades with soil loosening tools working independently of scraper blades
    • 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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/78—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices with rotating digging elements
    • E02F3/783—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices with rotating digging elements having a horizontal axis of rotation
    • 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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/962—Mounting of implements directly on tools already attached to the machine
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis

Definitions

  • the invention relates to a device for the renovation and profiling of damaged water-bound coverings, which can be mounted on a carrier vehicle.
  • Water-bound pavements generally consist of a mixture of natural stone material of different grain sizes, ranging from coarse gravel to fine sand or silt. This mixture means that water-bound road surfaces are permeable to water, so that soil sealing is avoided.
  • Most of the time, such covers have a certain profile. In most cases, it is a roof profile where the water can drain into a moat on the left and right, or the whole way hangs to one side so that the water can drain to that side.
  • the path material migrates to the outside of the path, which is supported by precipitation.
  • ruts form that prevent the water from running out, which instead runs along the ruts.
  • the flow rate increases with a corresponding gradient, which further increases the removal of path material. This can go so far that the road cover can no longer be driven on with normal passenger cars.
  • the US 3,693,722 discloses a rotatable roller with projections which are not suitable for scraping away path material, but for tearing open the top layer.
  • the Scarifire too US 1 883 404 A breaks up the top hard layer of the path. There is no abrasion on the surface of the path here either. A loose layer forms, which lies on a base made of hard material (column 4, lines 24 to 35 of the printed publication). The torn layer cannot be compacted by the following sign.
  • the EP 1 645 690 A1 discloses a device for the rehabilitation and production of load-bearing surfaces, which has a vibrating roller which compresses the material torn open by a milling machine.
  • the WO 2008/031214 A1 discloses a roller with spiral cutting edges, behind which a smooth roller runs.
  • the present invention has for its object to provide a device with which damage (ruts formed) can be effectively remedied.
  • the invention provides that the device has a roller which can be rotated in the opposite direction to the direction of travel of the carrier vehicle and on whose outer circumference driver projections are attached which scrape off path material when placed on a path cover.
  • the driver projections are strips, which extend at least over part of the length of the roller, it being preferred that they run over the entire length.
  • the roller consists of a steel tube, which can have an outer diameter of approximately 350 mm, without the invention being restricted to this. 15 to 20, preferably 17 strips of wear steel can be welded continuously to the circumference of the steel tube, and a welding bead made of a wear-resistant welding wire can be drawn on the front edge of each strip. On the one hand, this protects the roller against wear and, on the other hand, the removal of path material is increased.
  • the strips can be screwed on, put on or clamped on and contain hard materials made of hard metal or diamond.
  • the strips can also have a suitable profile.
  • the roller is driven by the carrier vehicle, which has a shaft output which is connected to the roller via a gear.
  • the roller which rotates in the opposite direction to the direction of travel, scrapes off road material and pushes the material in front of it, which fills all cavities between the road surface and the roller, so that a level road surface is created again.
  • the invention further provides that the roller is mounted in a frame which is articulated via a linkage to a base plate which can be fastened to the carrier vehicle. It is preferred that the device is attached to the rear of a tractor, preferably to a lifting frame of the tractor. However, the device can also be mounted between the axles of a carrier vehicle or on its front, so that the device can also be combined with a truck, Unimog or similar vehicle.
  • the invention further provides that the frame in which the roller is mounted can be pivoted in both directions about a central vertical axis, so that the roller is arranged at an angle to the transverse direction of the path cover.
  • the roller can preferably move in a horizontal plane by up to 35 °, preferably 29 °, in both Directions can be adjusted. This makes it possible to scrape off path material from one or the other edge region of the path cover and to lead it to the center of the path, which contributes to the fact that all cavities between the path cover and the roller can be filled over the entire width of the path cover.
  • the frame with the roller can be pivoted in both directions about a central horizontal axis, so that the roller is laterally inclined with respect to the horizontal.
  • This lateral inclination can be up to an angle of 20 °, preferably 10 °, in both directions. This makes it possible to selectively remove material from the lateral edges and - preferably in combination with the above-mentioned lateral pivoting - to apply in the area of the middle of the path, whereby the path can obtain the desired profile, for example a roof-shaped profile.
  • essentially horizontal and vertical pairs of piston / cylinder units can be provided between the base plate and the at least one frame, which are arranged between the frame and the base plate.
  • the invention provides that a leveling device is connected to the frame behind the roller in the direction of travel such that the leveling device can be pivoted together with the frame in the horizontal and vertical planes.
  • the leveling device can, however, preferably be raised and lowered hydraulically relative to the roller.
  • the leveling device is preferably a dozer blade.
  • the dozer blade expediently has a flat contact surface.
  • the roller would lie on the pavement with the entire weight of the device, which would have the disadvantage that too much material would be removed if the pavements were loose and that generally a very high one Drive torque of the roller would be required.
  • This is avoided by the leveling device because it presses on the ground with a continuously adjustable pressure and thus reduces the weight with which the roller rests on the pavement.
  • the continuously adjustable pressure can in turn be applied hydraulically.
  • the removal capacity of the roller can be continuously adjusted via a hydraulic pressure control valve, the material distributed by the roller also being smoothed and recompacted by the dozer blade that is preferably provided.
  • the hydraulic adjustability of the leveling device also enables the scraping roller to be lifted off the floor and the entire weight of the device to act on the floor via the leveling device. This enables a clean, smooth path surface to be created. If the compression is too low, a plate compactor can be attached to the front of the carrier vehicle.
  • the leveling device can be formed by a freely rotatable roller.
  • the roller 1 contains a steel tube 2 with an outer diameter of 350 mm and a wall thickness of 8 mm. Seventeen driver strips 3 made of wear steel (Hardox 450) are welded onto the steel tube 2 by means of welds 4. A wear layer 5 made of application wire is welded onto the front edge region of the driver strips 3 in the direction of rotation, which increases the removal of the roller. A rim blade and the hub are identified by the reference numerals 6 and 7.
  • the large diameter of the roller brings with it a relatively shallow run-in angle on the path cover, as a result of which the roller 1 can easily slide over larger stones.
  • Figure 2 shows that a frame 8, in which the roller 1 is mounted, and a dozer blade 9 are articulated jointly via a support 10 to a base plate 11 by means of a joint 12.
  • the base plate 11 is attached to the mast 13 of a carrier vehicle 14, such as Figure 6 shows.
  • the frame 8 is connected via webs 15 to a central element 16 which can be pivoted together with the frame 8 and the dozer blade 9.
  • Two hydraulic piston / cylinder units 17 are articulated on the base plate 11, the other end of which is articulatedly connected to the frame 8, so that the frame 8 with the roller 1 and the dozer blade 9 together by actuating the piston / cylinder units 17 by up to 29 ° can be pivoted to the right and to the left. These swiveling movements take place in a horizontal plane.
  • Figure 3 shows that the roller 1 with its frame 8 can also be pivoted by 10 ° to both sides in a vertical plane, with the dozer blade 9 again being pivoted accordingly.
  • the pivoting movement is brought about by two hydraulic piston / cylinder units 18 which are articulated at one end to the base plate 11 and at the other end to a frame part 19 connected to the frame 8.
  • the piston / cylinder units 18 By actuating the piston / cylinder units 18, the roller 1 and the dozer blade 9 can be pivoted in a vertical plane at a selected angle of up to 10 °.
  • the Figures 4a to 4c show that the dozer blade 9 can be raised hydraulically over the contact surface of the roller 1 ( Figure 4a ), can rest together with the roller 1 on the path cover 20 ( Figure. 4b ) or can be pressed against the cover 20 when the roller 1 is raised.
  • FIG. 5 shows the drive train of the roller 1, in which the torque of the PTO output of the carrier vehicle is transmitted to the device by means of a cardan shaft (with overload clutch). From there, the torque goes via a drive shaft 21 to an angular gear 22, from which the torque runs via two drive shafts 23 and is transmitted via a chain drive 24 to the drive hubs 25 of the roller 1.
  • Figure 6 shows that the device is attached with its base plate 11 to the rear mast 13 of a carrier vehicle 14.
  • the device is pivoted laterally so that the roller 1 scrapes away path material from the lateral edge region of a path blanket and pushes it towards the center of the path, where all the cavities between the path cover and the roller 1 are filled.

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

Description

Die Erfindung betrifft eine Vorrichtung zum Sanieren und Profilieren von beschädigten wassergebundenen Wegdecken, die an ein Trägerfahrzeug montierbar ist.The invention relates to a device for the renovation and profiling of damaged water-bound coverings, which can be mounted on a carrier vehicle.

Wassergebundene Wegdecken bestehen im allgemeinen aus einem Gemisch von Natursteinmaterial unterschiedlicher Körnung, die von grobem Schotter bis zu feinem Sand oder Schluff reicht. Diese Mischung führt dazu, dass wassergebundene Fahrbahndecken wasserdurchlässig sind, so dass eine Bodenversiegelung vermieden ist. Meist haben solche Wegdecken ein bestimmtes Profil. In den meisten Fällen handelt es sich um ein Dachprofil, bei dem das Wasser links und rechts in einen Wassergraben ablaufen kann, oder der ganze Weg hängt nach einer Seite, so dass das Wasser zu dieser Seite abrinnen kann. Durch das Befahren des Weges mit Fahrzeugen wandert das Wegematerial dann zu den Außenseiten des Weges, was durch Niederschlag unterstützt wird. Mit der Zeit bilden sich Spurrinnen, die verhindern, dass das Wasser nach außen ablaufen kann, das statt dessen entlang der Spurrillen läuft. Hierdurch erhöht sich bei entsprechendem Gefälle die Fließgeschwindigkeit, was den Abtrag von Wegematerial weiter erhöht. Dies kann so weit gehen, dass die Wegdecke mit normalen Personenkraftwagen nicht mehr befahrbar ist.Water-bound pavements generally consist of a mixture of natural stone material of different grain sizes, ranging from coarse gravel to fine sand or silt. This mixture means that water-bound road surfaces are permeable to water, so that soil sealing is avoided. Most of the time, such covers have a certain profile. In most cases, it is a roof profile where the water can drain into a moat on the left and right, or the whole way hangs to one side so that the water can drain to that side. By driving on the path with vehicles, the path material then migrates to the outside of the path, which is supported by precipitation. Over time, ruts form that prevent the water from running out, which instead runs along the ruts. As a result, the flow rate increases with a corresponding gradient, which further increases the removal of path material. This can go so far that the road cover can no longer be driven on with normal passenger cars.

Die US 3 693 722 A offenbart eine drehbare Walze mit Vorsprüngen, die nicht dazu geeignet sind, Wegematerial abzuschaben, sondern die obere Schicht aufzureißen.The US 3,693,722 discloses a rotatable roller with projections which are not suitable for scraping away path material, but for tearing open the top layer.

Das dahinter angeordnete Schild dient nicht der Rückverdichtung, sondern ebenfalls dem Abtragen von Erde, wie in Spalte 7, Zeilen 41 bis 46, der Druckschrift angegeben ist.The sign placed behind it is not used for recompaction, but also for removing soil, as indicated in column 7, lines 41 to 46, of the publication.

Auch der Scarifire der US 1 883 404 A bricht die obere harte Schicht des Weges auf. Auch hier findet kein Abrieb an der Wegoberfläche statt. Es bildet sich eine lose Schicht, die auf einer Basis aus hartem Material liegt (Spalte 4, Zeilen 24 bis 35 der Druckschift). Die aufgerissene Schicht kann durch das nachfolgende Schild nicht verdichtet werden.The Scarifire too US 1 883 404 A breaks up the top hard layer of the path. There is no abrasion on the surface of the path here either. A loose layer forms, which lies on a base made of hard material (column 4, lines 24 to 35 of the printed publication). The torn layer cannot be compacted by the following sign.

Die EP 1 645 690 A1 offenbart eine Vorrichtung zum Sanieren und Herstellen von tragfähigen Oberflächen, die eine Rüttelwalze aufweist, die das von einer Fräse aufgerissene Material verdichtet.The EP 1 645 690 A1 discloses a device for the rehabilitation and production of load-bearing surfaces, which has a vibrating roller which compresses the material torn open by a milling machine.

Auch die Maschine der US 2014/147207 A1 reißt die oberste Schicht eines Weges auf, wobei das beispielsweise in Figur 11 dargestellte Schild nicht zum Verdichten des losgelösten Materials geeignet ist.Even the machine of the US 2014/147207 A1 tears open the top layer of a path, the sign shown in FIG. 11, for example, not being suitable for compacting the detached material.

Die WO 2008/031214 A1 offenbart eine Walze mit spiralförmigen Schneidkanten, hinter der eine glatte Walze abläuft.The WO 2008/031214 A1 discloses a roller with spiral cutting edges, behind which a smooth roller runs.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung anzugeben, mit der Schäden (gebildete Spurrinnen) wirkungsvoll behoben werden können.The present invention has for its object to provide a device with which damage (ruts formed) can be effectively remedied.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst.This object is achieved by the features of claim 1.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Advantageous embodiments of the invention are characterized in the subclaims.

Die Erfindung sieht vor, dass die Vorrichtung eine gegenläufig zur Fahrtrichtung des Trägerfahrzeugs drehbare Walze aufweist, an deren Außenumfang Mitnehmervorsprünge angebracht sind, die bei Auflage auf einer Wegdecke Wegematerial abschaben. Bei den Mitnehmervorsprüngen handelt es sich um Leisten, die sich wenigstens über einen Teil der Länge der Walze erstrecken, wobei bevorzugt ist, dass sie über die gesamte Länge durchgehen.The invention provides that the device has a roller which can be rotated in the opposite direction to the direction of travel of the carrier vehicle and on whose outer circumference driver projections are attached which scrape off path material when placed on a path cover. The driver projections are strips, which extend at least over part of the length of the roller, it being preferred that they run over the entire length.

Die Walze besteht aus einem Stahlrohr, das einen Außendurchmesser von etwa 350 mm haben kann, ohne dass die Erfindung hierauf beschränkt ist. Auf den Umfang des Stahlrohres können 15 bis 20, vorzugsweise 17 Leisten aus einem Verschleißstahl durchgängig aufgeschweißt sein, wobei auf der vorderen Kante jeder Leiste eine Schweißraupe aus einem verschleißfesten Schweißdraht aufgezogen sein kann. Hierdurch wird zum einen die Walze vor Verschleiß geschützt und zum anderen der Abtrag von Wegematerial erhöht.The roller consists of a steel tube, which can have an outer diameter of approximately 350 mm, without the invention being restricted to this. 15 to 20, preferably 17 strips of wear steel can be welded continuously to the circumference of the steel tube, and a welding bead made of a wear-resistant welding wire can be drawn on the front edge of each strip. On the one hand, this protects the roller against wear and, on the other hand, the removal of path material is increased.

Alternativ können die Leisten aufgeschraubt, aufgesteckt oder aufgeklemmt sein und Hartstoffe aus Hartmetall oder Diamant beinhalten. Die Leisten können auch ein geeignetes Profil aufweisen.Alternatively, the strips can be screwed on, put on or clamped on and contain hard materials made of hard metal or diamond. The strips can also have a suitable profile.

Die Walze wird von dem Trägerfahrzeug angetrieben, das einen Wellenabtrieb hat, der über ein Getriebe mit der Walze verbunden ist.The roller is driven by the carrier vehicle, which has a shaft output which is connected to the roller via a gear.

Die gegenläufig zur Fahrtrichtung drehende Walze schabt Wegematerial ab und schiebt das Material vor sich her, das dabei alle Hohlräume zwischen der Wegdecke und der Walze füllt, so dass wieder eine ebene Fahrbahnoberfläche entsteht.The roller, which rotates in the opposite direction to the direction of travel, scrapes off road material and pushes the material in front of it, which fills all cavities between the road surface and the roller, so that a level road surface is created again.

Weiter sieht die Erfindung vor, dass die Walze in einem Rahmen gelagert ist, der über ein Gestänge an einer Grundplatte angelenkt ist, die an dem Trägerfahrzeug befestigbar ist. Dabei ist es bevorzugt, dass die Vorrichtung hinten an einem Traktor befestigt wird, vorzugsweise an einem Hubgerüst des Traktors. Die Vorrichtung kann aber auch zwischen den Achsen eines Trägerfahrzeugs oder an dessen Front montiert werden, so dass die Vorrichtung auch mit einem LKW, Unimog oder ähnlichem Fahrzeug kombiniert werden kann.The invention further provides that the roller is mounted in a frame which is articulated via a linkage to a base plate which can be fastened to the carrier vehicle. It is preferred that the device is attached to the rear of a tractor, preferably to a lifting frame of the tractor. However, the device can also be mounted between the axles of a carrier vehicle or on its front, so that the device can also be combined with a truck, Unimog or similar vehicle.

Weiter sieht die Erfindung vor, dass der Rahmen, in dem die Walze gelagert ist, in beide Richtungen um eine mittige vertikale Achse schwenkbar ist, so dass die Walze in einem Winkel zur Querrichtung der Wegdecke angeordnet ist. Bevorzugt kann die Walze auf diese Weise in einer horizontalen Ebene um bis zu 35°, vorzugsweise 29°, in beiden Richtungen verstellt werden. Hierdurch ist es möglich, Wegematerial von dem einen oder dem anderen Randbereich der Wegdecke abzuschaben und zur Wegmitte zu führen, was dazu beiträgt, dass über die gesamte Breite der Wegdecke alle Hohlräume zwischen der Wegdecke und der Walze aufgefüllt werden können.The invention further provides that the frame in which the roller is mounted can be pivoted in both directions about a central vertical axis, so that the roller is arranged at an angle to the transverse direction of the path cover. In this way, the roller can preferably move in a horizontal plane by up to 35 °, preferably 29 °, in both Directions can be adjusted. This makes it possible to scrape off path material from one or the other edge region of the path cover and to lead it to the center of the path, which contributes to the fact that all cavities between the path cover and the roller can be filled over the entire width of the path cover.

Außerdem sieht die Erfindung vor, dass der Rahmen mit der Walze in beiden Richtungen um eine mittige horizontale Achse schwenkbar ist, so dass die Walze eine seitliche Neigung gegenüber der Horizontalen erhält. Diese seitliche Neigung kann in beiden Richtungen bis zu einem Winkel von 20°, vorzugsweise 10°, betragen. Dies ermöglicht es, gezielt Material von den seitlichen Rändern abzutragen und - bevorzugt kombiniert mit dem oben erwähnten seitlichen Verschwenken - in dem Bereich der Wegmitte aufzutragen, wodurch der Weg das gewünschte Profil, beispielsweise ein dachförmiges Profil erhalten kann.In addition, the invention provides that the frame with the roller can be pivoted in both directions about a central horizontal axis, so that the roller is laterally inclined with respect to the horizontal. This lateral inclination can be up to an angle of 20 °, preferably 10 °, in both directions. This makes it possible to selectively remove material from the lateral edges and - preferably in combination with the above-mentioned lateral pivoting - to apply in the area of the middle of the path, whereby the path can obtain the desired profile, for example a roof-shaped profile.

Zum Verschwenken der Walze in der horizontalen und/oder vertikalen Richtung können zwischen der Grundplatte und dem wenigstens einen Rahmen im wesentlichen horizontale und vertikale Paare von Kolben/Zylindereinheiten vorgesehen sein, die zwischen dem Rahmen und der Grundplatte angeordnet sind. Dabei handelt es sich bevorzugt um jeweils zwei Hydraulikzylinder für jede der drei Bewegungen der Vorrichtung, d.h. für die beiden oben erwähnten Schwenkbewegungen und eine weiter unten beschriebene Hubbewegung.To pivot the roller in the horizontal and / or vertical direction, essentially horizontal and vertical pairs of piston / cylinder units can be provided between the base plate and the at least one frame, which are arranged between the frame and the base plate. These are preferably two hydraulic cylinders for each of the three movements of the device, i.e. for the two swiveling movements mentioned above and a lifting movement described below.

Außerdem sieht die Erfindung vor, dass eine Planiereinrichtung in Fahrtrichtung hinter der Walze derart mit dem Rahmen verbunden ist, dass die Planiereinrichtung gemeinsam mit dem Rahmen in der horizontalen und der vertikalen Ebene schwenkbar ist. Dabei ist die Planiereinrichtung aber gegenüber der Walze vorzugsweise hydraulisch anhebbar und absenkbar.In addition, the invention provides that a leveling device is connected to the frame behind the roller in the direction of travel such that the leveling device can be pivoted together with the frame in the horizontal and vertical planes. The leveling device can, however, preferably be raised and lowered hydraulically relative to the roller.

Die Planiereinrichtung ist bevorzugt ein Planierschild. Das Planierschild hat zweckmäßigerweise eine ebene Auflagefläche.The leveling device is preferably a dozer blade. The dozer blade expediently has a flat contact surface.

Ohne die Planiereinrichtung würde die Walze mit dem gesamten Gewicht der Vorrichtung auf der Wegdecke aufliegen, was den Nachteil hätte, dass bei lockeren Wegdecken zuviel Material abgetragen würde und dass allgemein ein sehr hohes Antriebsdrehmoment der Walze erforderlich wäre. Dies ist durch die Planiereinrichtung vermieden, weil diese mit einem stufenlos verstellbaren Druck auf den Boden drückt und damit das Gewicht, mit dem die Walze auf der Wegdecke aufliegt, verringert. Der stufenlos verstellbare Druck kann wiederum hydraulisch aufgebracht werden. Mit dieser Ausbildung kann die Abtragsleistung der Walze über ein hydraulisches Druckregelventil stufenlos verstellt werden, wobei zudem das von der Walze verteilte Material von dem bevorzugt vorgesehenen Planierschild geglättet und rückverdichtet wird.Without the leveling device, the roller would lie on the pavement with the entire weight of the device, which would have the disadvantage that too much material would be removed if the pavements were loose and that generally a very high one Drive torque of the roller would be required. This is avoided by the leveling device because it presses on the ground with a continuously adjustable pressure and thus reduces the weight with which the roller rests on the pavement. The continuously adjustable pressure can in turn be applied hydraulically. With this design, the removal capacity of the roller can be continuously adjusted via a hydraulic pressure control valve, the material distributed by the roller also being smoothed and recompacted by the dozer blade that is preferably provided.

Die hydraulische Verstellbarkeit der Höhe die Planiereinrichtung ermöglicht es zudem, dass die Abschab-Walze vom Boden abgehoben wird und das gesamte Gewicht der Vorrichtung über die Planiereinrichtung auf den Boden wirkt. Damit kann eine saubere, glatte Wegoberfläche hergestellt werden. Wenn die hierbei erfolgte Verdichtung zu gering ist, kann ein Plattenverdichter an der Front des Trägerfahrzeugs angebracht werden. Die Planiereinrichtung kann in einer alternativen Ausführungsform durch eine frei drehbare Walze gebildet sein.The hydraulic adjustability of the leveling device also enables the scraping roller to be lifted off the floor and the entire weight of the device to act on the floor via the leveling device. This enables a clean, smooth path surface to be created. If the compression is too low, a plate compactor can be attached to the front of the carrier vehicle. In an alternative embodiment, the leveling device can be formed by a freely rotatable roller.

Wenn die Vorrichtung nicht eingesetzt werden soll, kann sie einfach mit dem Hubgerüst des Trägerfahrzeugs angehoben und in eine Mittelstellung gebracht werden, in der das Trägerfahrzeug normal auf einer Straße gefahren werden kann. Die erfindungsgemäße Vorrichtung bringt vielerlei Vorteile mit sich:

  • verwachsenes Feinmaterial vom Wegrand, das durch Wurzeln fast schon verfilzt ist, wird sauber aufgemischt und mit grobem Wegematerial sauber vermischt;
  • generell gute Vermischung des abgetragenen Materials und gute Einbettung von größeren Steinen in die Wegedecke;
  • durch den großen Durchmesser der Walze entsteht ein relativ flacher Einlaufwinkel, wodurch die Walze über größere Steine leicht hinweg gleiten kann, anstatt sie auszureißen;
  • größere Steine oder Felsköpfe, die in die Wegdecke hineinragen, werden beim Übergleiten der Walze immer etwas abgeschürft oder sie zerbröckeln. Dadurch wird der Weg natürlich immer feiner und störende Felsköpfe verschwinden mit der Zeit ganz von der Fahrbahnoberfläche;
  • da der Seitenwinkel und die Neigung nur am Beginn eingestellt werden müssen und sich die Höhe über die Schwimmstellung des Trägerfahrzeugs und die gleitende Walze regelt, kann relativ schnell und ohne nachzusteuern gefahren werden;
  • das nötige Drehmoment für den Betrieb der Maschine ist relativ gering, so kann die Maschine bereits mit 90 PS Traktoren betrieben werden;
  • da die Abtragsleistung der Maschine über mehrere Parameter wie dem Anpressdruck der Walze, Drehzahl Walze und der Fahrgeschwindigkeit von einer relativ kleinen bis hin zu einer großen Abtragleistung verstellt werden kann, ist es möglich, die Maschine bei vielen unterschiedlichen Wegezuständen wirtschaftlich einzusetzen;
  • da bei geringen Schäden an der Wegedecke bereits eine Überfahrt pro Richtung ausreichend ist, ist der Wirkungsgrad hoch und der Kraftstoffverbrauch gering.
If the device is not to be used, it can simply be lifted with the lifting frame of the carrier vehicle and brought into a central position in which the carrier vehicle can be driven normally on a road. The device according to the invention has many advantages:
  • overgrown fine material from the edge of the path, which is almost matted by roots, is mixed up cleanly and mixed with coarse path material;
  • generally good mixing of the removed material and good embedding of larger stones in the path cover;
  • the large diameter of the roller creates a relatively flat entry angle, which means that the roller can slide easily over larger stones instead of tearing them out;
  • Larger stones or rock heads that protrude into the path of the path are always rubbed off a little when the roller slides over, or they crumble. As a result, the path becomes ever finer and disruptive rock heads disappear completely from the road surface over time;
  • Since the side angle and the inclination only have to be set at the beginning and the height is regulated by the floating position of the carrier vehicle and the sliding roller, it can be driven relatively quickly and without having to readjust;
  • the torque required to operate the machine is relatively low, so the machine can already be operated with 90 HP tractors;
  • Since the stock removal rate of the machine can be adjusted from a relatively small to a large stock removal rate using several parameters such as the contact pressure of the roller, roller speed and the driving speed, it is possible to use the machine economically in many different path conditions;
  • As only one crossing per direction is sufficient if there is little damage to the path, the efficiency is high and fuel consumption is low.

Weitere Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung einer bevorzugten Ausführungsform sowie anhand der Zeichnungen. Dabei zeigen in schematischer Darstellung:

Figur 1
einen Vertikalschnitt durch eine Walze;
Figur 2
eine Aufsicht auf die Vorrichtung, nach rechts und nach links verschwenkt;
Figur 3
eine Vorderansicht der Vorrichtung, im Gegenuhrzeigersinn und im Uhrzeigersinn verschwenkt;
Figuren 4a bis 4c
eine Seitenansicht der Vorrichtung mit drei verschiedenen Positionen eines Planierschildes;
Figur 5
den Antriebsstrang der Walze;
Figur 6
ein Zugfahrzeug mit daran befestigter Vorrichtung in einer Aufsicht, einer Seitenansicht und einer Rückansicht.
Further details of the invention will become apparent from the following description of a preferred embodiment and from the drawings. The following are shown in a schematic representation:
Figure 1
a vertical section through a roller;
Figure 2
a top view of the device, pivoted to the right and to the left;
Figure 3
a front view of the device, pivoted counterclockwise and clockwise;
Figures 4a to 4c
a side view of the device with three different positions of a dozer blade;
Figure 5
the drive train of the roller;
Figure 6
a towing vehicle with attached device in a plan view, a side view and a rear view.

Wie Figur 1 zeigt, enthält die Walze 1 ein Stahlrohr 2 mit einem Außendurchmesser von 350 mm und einer Wandstärke von 8 mm. Auf das Stahlrohr 2 sind siebzehn Mitnehmerleisten 3 aus einem Verschleißstahl (Hardox 450) mittels Schweißnähten 4 aufgeschweißt. Auf den in Drehrichtung vorderen Randbereich der Mitnehmerleisten 3 ist jeweils eine Verschleißschicht 5 aus Auftragsdraht aufgeschweißt, die den Abtrag der Walze erhöht. Ein Felgenblatt und die Nabe sind mit den Bezugszeichen 6 und 7 gekennzeichnet.How Figure 1 shows, the roller 1 contains a steel tube 2 with an outer diameter of 350 mm and a wall thickness of 8 mm. Seventeen driver strips 3 made of wear steel (Hardox 450) are welded onto the steel tube 2 by means of welds 4. A wear layer 5 made of application wire is welded onto the front edge region of the driver strips 3 in the direction of rotation, which increases the removal of the roller. A rim blade and the hub are identified by the reference numerals 6 and 7.

Der große Durchmesser der Walze bringt einen relativ flachen Einlaufwinkel auf der Wegdecke mit sich, wodurch die Walze 1 über größere Steine leicht hinweg gleiten kann.The large diameter of the roller brings with it a relatively shallow run-in angle on the path cover, as a result of which the roller 1 can easily slide over larger stones.

Figur 2 zeigt, dass ein Rahmen 8, in dem die Walze 1 gelagert ist, und ein Planierschild 9 gemeinsam über einen Träger 10 an einer Grundplatte 11 mittels eines Gelenks 12 angelenkt ist. Die Grundplatte 11 ist an dem Hubgerüst 13 eines Trägerfahrzeugs 14 befestigt, wie Figur 6 zeigt. Der Rahmen 8 ist über Stege 15 mit einem mittigen Element 16 verbunden, das zusammen mit dem Rahmen 8 und dem Planierschild 9 verschwenkbar ist. Figure 2 shows that a frame 8, in which the roller 1 is mounted, and a dozer blade 9 are articulated jointly via a support 10 to a base plate 11 by means of a joint 12. The base plate 11 is attached to the mast 13 of a carrier vehicle 14, such as Figure 6 shows. The frame 8 is connected via webs 15 to a central element 16 which can be pivoted together with the frame 8 and the dozer blade 9.

An der Grundplatte 11 sind zwei hydraulische Kolben/Zylindereinheiten 17 angelenkt, deren anderes Ende gelenkig mit dem Rahmen 8 verbunden ist, so dass durch Betätigung der Kolben/Zylindereinheiten 17 der Rahmen 8 mit der Walze 1 und das Planierschild 9 gemeinsam um bis zu 29° nach rechts und nach links verschwenkbar sind. Diese Schwenkbewegungen erfolgen in einer horizontalen Ebene.Two hydraulic piston / cylinder units 17 are articulated on the base plate 11, the other end of which is articulatedly connected to the frame 8, so that the frame 8 with the roller 1 and the dozer blade 9 together by actuating the piston / cylinder units 17 by up to 29 ° can be pivoted to the right and to the left. These swiveling movements take place in a horizontal plane.

Figur 3 zeigt, dass die Walze 1 mit ihrem Rahmen 8 auch in einer vertikalen Ebene nach beiden Seiten um 10° verschwenkbar ist, wobei wiederum auch das Planierschild 9 entsprechend verschwenkt wird. Die Schwenkbewegung wird durch zwei hydraulische Kolben/Zylindereinheiten 18 hervorgerufen, die einenends an der Grundplatte 11 und anderenends an einem mit dem Rahmen 8 verbundenen Rahmenteil 19 angelenkt ist. Durch Betätigung der Kolben/Zylindereinheiten 18 können die Walze 1 und das Planierschild 9 in einer vertikalen Ebene in einem ausgewählten Winkel bis zu 10° verschwenkt werden. Figure 3 shows that the roller 1 with its frame 8 can also be pivoted by 10 ° to both sides in a vertical plane, with the dozer blade 9 again being pivoted accordingly. The pivoting movement is brought about by two hydraulic piston / cylinder units 18 which are articulated at one end to the base plate 11 and at the other end to a frame part 19 connected to the frame 8. By actuating the piston / cylinder units 18, the roller 1 and the dozer blade 9 can be pivoted in a vertical plane at a selected angle of up to 10 °.

Die Figuren 4a bis 4c zeigen, dass das Planierschild 9 hydraulisch über die Auflagefläche der Walze 1 angehoben werden kann (Figur 4a), zusammen mit der Walze 1 auf der Wegdecke 20 aufliegen kann (Figur. 4b) oder bei angehobener Walze 1 gegen die Wegdecke 20 angepresst sein kann.The Figures 4a to 4c show that the dozer blade 9 can be raised hydraulically over the contact surface of the roller 1 ( Figure 4a ), can rest together with the roller 1 on the path cover 20 ( Figure. 4b ) or can be pressed against the cover 20 when the roller 1 is raised.

Figur 5 zeigt den Antriebsstrang der Walze 1, bei dem das Drehmoment des Zapfwellenabtriebs des Trägerfahrzeugs mittels Gelenkwelle (mit Überlastkupplung) auf die Vorrichtung übertragen wird. Von dort geht das Drehmoment über eine Antriebswelle 21 zu einem Winkelgetriebe 22, von dem das Drehmoment über zwei Antriebswellen 23 verläuft und über einen Kettentrieb 24 zu den Antriebsnaben 25 der Walze 1 übertragen wird. Figure 5 shows the drive train of the roller 1, in which the torque of the PTO output of the carrier vehicle is transmitted to the device by means of a cardan shaft (with overload clutch). From there, the torque goes via a drive shaft 21 to an angular gear 22, from which the torque runs via two drive shafts 23 and is transmitted via a chain drive 24 to the drive hubs 25 of the roller 1.

Figur 6 zeigt, dass die Vorrichtung mit ihrer Grundplatte 11 an dem rückwärtigen Hubgerüst 13 eines Trägerfahrzeugs 14 befestigt ist. Die Vorrichtung ist seitlich verschwenkt, so dass die Walze 1 Wegmaterial von dem seitlichen Randbereich einer Wegdecke abschabt und zur Wegmitte schiebt, wo alle Hohlräume zwischen der Wegdecke und der Walze 1 befüllt werden. Figure 6 shows that the device is attached with its base plate 11 to the rear mast 13 of a carrier vehicle 14. The device is pivoted laterally so that the roller 1 scrapes away path material from the lateral edge region of a path blanket and pushes it towards the center of the path, where all the cavities between the path cover and the roller 1 are filled.

Claims (5)

  1. Apparatus for renovating and profiling damaged water bound road coverings, which is mountable on a support vehicle (14), with a roller (1), which is rotatable oppositely to the direction of travel of the support vehicle (14) and attached to whose outer periphery are engagement projections, wherein the roller (1) is connectable via a gearbox to the output shaft of the support vehicle (14) and is mounted in a frame (8), which is pivotally connected to a base plate (11), which may be fastened to the support vehicle (14), wherein the frame (8) is pivotable with the roller (1) in both directions about a central vertical axis and about a central horizontal axis, wherein a levelling device (9) is connected to the frame (8) behind the roller (1) in the direction of movement so that it is pivotable together with it about the vertical and horizontal axes, wherein the roller consists of a steel pipe, characterised in that the engagement projections are bars (3), which extend in the longitudinal direction of the roller (1) and extend over at least a proportion of the length of the roller (1), wherein the bars (3) are suitable for scraping away road material on contact with a road covering (20), that the levelling device (9) is liftable and lowerable with respect to the roller (1) and that the levelling device (9) may be pressed against the road covering (20) with continuously adjustable pressure in order to vary the weight with which the roller (1) engages the road covering (20), whereby the removal rate of the roller (1) is adjustable, whereby the material distributed by the roller (1) is smoothed by the levelling device and recompressed.
  2. Apparatus as claimed in Claim 1, characterised in that the frame (8) is in drive connection with the base plate (11) by means of substantially horizontal and vertical piston/cylinder units (17, 18), which cause the pivotal movements.
  3. Apparatus as claimed in one of Claims 1 to 2, characterised in that the levelling device (9) is a bulldozer blade.
  4. Apparatus as claimed in Claim 3, characterised in that the bulldozer blade has a flat engagement surface.
  5. Apparatus as claimed in one of Claims 1 to 2, characterised in that the levelling device is a roller.
EP17001591.1A 2016-09-30 2017-09-26 Device for reconditioning and profiling damaged water bound coverings Active EP3301223B1 (en)

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SI201730269T SI3301223T1 (en) 2016-09-30 2017-09-26 Device for reconditioning and profiling damaged water bound coverings

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DE102016011745.1A DE102016011745A1 (en) 2016-09-30 2016-09-30 Device for rehabilitating and profiling damaged water-based road coverings

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EP3301223B1 true EP3301223B1 (en) 2020-04-08

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DE (1) DE102016011745A1 (en)
SI (1) SI3301223T1 (en)

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CN108755822A (en) * 2018-05-31 2018-11-06 淮北卓颂建筑工程有限公司 A kind of multicompartment loosening device

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Publication number Priority date Publication date Assignee Title
US1402148A (en) * 1920-01-19 1922-01-03 Camp Lee De Road machine
US1883404A (en) * 1928-08-11 1932-10-18 Ronning Adolph Road maintainer
US3693722A (en) * 1970-08-11 1972-09-26 Brohigbu Ltd Fine grading device for rubber tire road grader
FI20021136A (en) 2002-06-12 2004-03-09 Konepaja Timeka Oy Apparatus and method for leveling gravel or equivalent unpaved terrain and blade for unpaved terrain
AT500528B8 (en) * 2004-10-07 2007-02-15 Peter Doppler DEVICE FOR RESTORING AND MANUFACTURING WEARABLE SURFACES
US7789587B2 (en) * 2006-09-14 2010-09-07 James Edwin Harry Road shoulder working apparatus
DE202012104063U1 (en) 2012-10-23 2013-03-06 Stehr Baumaschinen Gmbh Machine combination with rollover protection
WO2014085454A1 (en) * 2012-11-28 2014-06-05 R.L. Parsons And Son Equipment Company, Inc. Machine for reclaiming and recycling roadway shoulder
JP5367920B1 (en) 2013-07-23 2013-12-11 ヒートロック工業株式会社 Surface grinding machine for paved road surface

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