EP1180560B1 - Screed for a road paver - Google Patents

Screed for a road paver Download PDF

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Publication number
EP1180560B1
EP1180560B1 EP01119091A EP01119091A EP1180560B1 EP 1180560 B1 EP1180560 B1 EP 1180560B1 EP 01119091 A EP01119091 A EP 01119091A EP 01119091 A EP01119091 A EP 01119091A EP 1180560 B1 EP1180560 B1 EP 1180560B1
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EP
European Patent Office
Prior art keywords
screed
limiting part
side limiting
guide
cylinder
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.)
Expired - Lifetime
Application number
EP01119091A
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German (de)
French (fr)
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EP1180560A3 (en
EP1180560A2 (en
Inventor
Helmut Röwer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABG Allgemeine Baumaschinen GmbH
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ABG Allgemeine Baumaschinen GmbH
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Publication of EP1180560A2 publication Critical patent/EP1180560A2/en
Publication of EP1180560A3 publication Critical patent/EP1180560A3/en
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Publication of EP1180560B1 publication Critical patent/EP1180560B1/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/30Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • E01C19/40Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2301/00Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/14Extendable screeds
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2301/00Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/14Extendable screeds
    • E01C2301/16Laterally slidable screeds

Definitions

  • the invention relates to a screed for a paver according to the Preamble of claim 1.
  • this articulated, trailed, floating screed are provided, whose angle of attack with respect to the ground is adjustable via actuating cylinders and which comprises at least one smoothing plate on the bottom, is mixed material via a filled in front of the bucket by means of a conveyor in the area in front of the Screed promoted and there across the width of the screed by means of a Distributor auger distributed so that it can then be installed using the screed.
  • a screed is extended by extending the screed of extending screed parts and / or attaching screed extension parts to the Extending screed parts can be widened.
  • the screed is included Provide side boundary parts that also the area to the side of the Cover the auger to prevent the mix from escaping from the Prevent installation area.
  • the side border parts for example a Width of about 25 cm, interfere with the transport of the paver from one Construction site to another. It is known to dismantle these before transportation and to be stored in the paver of the paver during transport in order to to reinstall the new construction site. However, this is cumbersome and time-consuming.
  • the object of the invention is a screed according to the preamble of Claim 1 to create, in which it is possible to the side boundary parts Space to accommodate transport without disassembly, so that another Road roller on a flatbed truck is portable.
  • Fig. 1 shows schematically a rear view of a screed Paver.
  • FIG. 2 shows a side view of the screed from FIG. 1.
  • FIG. 3 shows a section from FIG. 1.
  • Fig. 4 shows a hydraulic adjustment device for a side limiting part the screed of Fig. 1st
  • the screed 1 of a paver shown includes one Base screed 1a, which is centered in a known manner for setting a roof profile can be divided, and two extending screeds 1b ', 1b ", which run to the right or left across to the direction of installation of the paver and thus to its longitudinal axis are extendable to the base screed a maximum of up to twice the width broaden.
  • one or both extension screeds 1b ', 1b " can be used Screed extension part 1c be attached.
  • Each is a tamper 2 by a corresponding drive (not shown) movable in the vertical direction is to feed material arranged in front of him through a screw and pounding together, and a subsequent bottom plate 3 to Smoothing the material built in by the tamper 2 by a vibration drive (not shown) can be provided.
  • the extending planks 1b ', 1b " are about guide rods 4 and 5 extension cylinders, which with a corresponding Support part 6 of the respective extending screed 1b ', 1b "are connected, extendable.
  • each side delimitation part 7 on each side of the screed 1 provided which comprises a substantially horizontal support 8 which by means of Screws 9 is fixed to the side walls 10 of the extending screed 1b 'or 1b "
  • Carrier 8 carries a side boundary plate 11, the bottom one to the outside horizontally bent edge.
  • the side boundary plate 11 is over two adjusting devices 12 manually with respect to the carrier 8 in height and Inclination can be adjusted in the longitudinal direction of the paver to be installed on the Planum to slide.
  • Swivel arm 13 On the back of the carrier 8 is a backwards extending Swivel arm 13 attached, e.g. flanged, as shown in Fig. 3. Outdoors The end of the swivel arm 13 is perpendicular to the side delimitation plate 11 and thus in particular extending transversely to the longitudinal direction of the paver tubular guide rod 14 attached.
  • a tubular guide 17 is attached to the respective catwalk holder 16, which additionally via a further, with the respective extending screed 1b ', 1b " connected holder 18 is held and the guide rod 14 slidably and pivots.
  • the length of the catwalk 15 is shortened accordingly, i.e. it is not enough over the entire length of the basic screed 1a, so that there is sufficient space for the folded up side boundary parts 7 is present.
  • Folding up and inserting the side boundary parts 7 can done manually.
  • a stop (not shown) advantageous, the folding up in the vertical position of the side limiting part 7 limited.
  • the side boundary part 7 is by means of a Screw 19 attached to the catwalk holder 16 for transport and thereby secured.
  • a cylinder 20 which is articulated on the respective extending screed 1b ', 1b ", see FIGS. 1, 3 and 4.
  • a (fork-shaped) tab 22 On the piston rod 21 of the cylinder 20 is a (fork-shaped) tab 22 attached, which is connected to a piece of pipe 23 having a square Has cross-section and of the tubular guide 17, the circular Has cross section, is rotatably received.
  • the guide rod 14 is also of square cross-section and tubular to lighten weight, and of the pipe section 23 slidably and positively guided so that between the pipe section 23 and the guide rod 14 when swiveling up there is 20 frictional engagement by means of the cylinder.
  • the side limiting part 7 In the extended position of the Piston rod 21 is the side limiting part 7 in 90 ° folded up position. - This is advantageous in so far as with a corresponding one Length of the guide rod 14, as shown in Fig. 1, even if between the extending screed 1b 'or 1b "and the side limiting part 7 Screed extension part 1c is arranged, folding up the Side boundary part 7 can be done via the cylinder 20 without that Screed extension part 1c would have to be removed beforehand.
  • a cylinder 20 with a piston that can be acted upon on both sides is used, so the cylinder 20 can also be used to pivot the Side boundary part 7 from the transport position to the working position use.
  • the side boundary parts 7 can thus be quickly and easily in Bring the transport position and again into the working position so that the The paver is ready to work again quickly.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)

Description

Die Erfindung betrifft eine Einbaubohle für einen Straßenfertiger nach dem Oberbegriff des Anspruchs 1.The invention relates to a screed for a paver according to the Preamble of claim 1.

Bei Straßenfertigem, die mit einem Fahrgestell und einer über Zugarme an diesem angelenkten, nachgezogenen, schwimmenden Einbaubohle versehen sind, deren Anstellwinkel gegenüber dem Untergrund über Stellzylinder einstellbar ist und die wenigstens eine bodenseitige Glättplatte umfaßt, wird Mischgut über einen frontseitigen Kübel eingefüllt, mittels eines Förderers in den Bereich vor die Einbaubohle gefördert und dort über die Breite der Einbaubohle mittels einer Verteilerschnecke verteilt, um dann mittels der Einbaubohle eingebaut zu werden. Für größere Einbaubreiten ist eine Grundbohle der Einbaubohle durch Ausfahren von Ausfahrbohlenteilen und/oder Anstückeln von Bohlenverlängerungsteilen an die Ausfahrbohlenteile verbreiterbar. Hierbei ist die Einbaubohle mit Seitenbegrenzungsteilen versehen, die auch den Bereich seitlich der Verteilerschnecke überdecken, um ein Austreten des Mischgutes aus dem Einbaubereich zu verhindern. Die Seitenbegrenzungsteile, die beispielsweise eine Breite von ca. 25 cm besitzen, stören beim Transport des Straßenfertigers von einer Baustelle zur anderen. Es ist bekannt, diese vor einem Transport abzubauen und während des Transports im Kübel des Straßenfertigers zu lagern, um sie an der neuen Baustelle wieder anzubringen. Dies ist jedoch umständlich und zeitaufwendig.For road pavers that have a chassis and one with drawbars this articulated, trailed, floating screed are provided, whose angle of attack with respect to the ground is adjustable via actuating cylinders and which comprises at least one smoothing plate on the bottom, is mixed material via a filled in front of the bucket by means of a conveyor in the area in front of the Screed promoted and there across the width of the screed by means of a Distributor auger distributed so that it can then be installed using the screed. For larger pave widths, a screed is extended by extending the screed of extending screed parts and / or attaching screed extension parts to the Extending screed parts can be widened. The screed is included Provide side boundary parts that also the area to the side of the Cover the auger to prevent the mix from escaping from the Prevent installation area. The side border parts, for example a Width of about 25 cm, interfere with the transport of the paver from one Construction site to another. It is known to dismantle these before transportation and to be stored in the paver of the paver during transport in order to to reinstall the new construction site. However, this is cumbersome and time-consuming.

Es ist auch bekannt, vgl. EP 0 879 918 A1, die Seitenbegrenzungsteile auf die Rückseite des Straßenfertigers klappbar auszubilden, und zwar zusammen mit einem Bohlenverlängerungsteil, jedoch wird hierdurch die Transportlänge des Straßenfertigers erheblich verlängert und kein Platz für eine zusätzliche Straßenwalze zum Abwalzen der vom Straßenfertiger eingebauten Schicht auf einem gewöhnlich zum Transport verwendeten Tieflader gelassen, so daß man dann zwei Transportfahrzeuge benötigt.It is also known, cf. EP 0 879 918 A1, the side limitation parts train the back of the paver to be foldable, together with a screed extension part, however, the transport length of the Paving machine considerably extended and no space for an additional one Road roller for rolling off the layer installed by the paver a low loader usually used for transport, so that one then two transport vehicles needed.

Aufgabe der Erfindung ist es, eine Einbaubohle nach dem Oberbegriff des Anspruchs 1 zu schaffen, bei der es möglich ist, die Seitenbegrenzungsteile zum Transport platzsparend ohne Demontage unterzubringen, so daß noch eine Straßenwalze auf einem Tieflader mitnehmbar ist.The object of the invention is a screed according to the preamble of Claim 1 to create, in which it is possible to the side boundary parts Space to accommodate transport without disassembly, so that another Road roller on a flatbed truck is portable.

Diese Aufgabe wird entsprechend dem kennzeichnenden Teil des Anspruchs 1 gelöst.This task will be in accordance with the characterizing part of the claim 1 solved.

Hierdurch können die Seitenbegrenzungsteile zum Erreichen einer vorgeschriebenen Höchstbreite des Straßenfertigers beim Transport zunächst hochgeklappt und dann im hochgeklappten Zustand in Richtung quer zur Längsachse des Straßenfertigers eingeschoben werden. Hierdurch bleibt genügend Platz auf einem Tieflader, um eine Straßenwalze bis an die Rückseite der Einbaubohle heranzufahren, so daß auch diese mitgenommen werden kann.This allows the side boundary parts to achieve a prescribed maximum width of the paver during transport initially folded up and then folded up in the direction transverse to Longitudinal axis of the paver can be inserted. This leaves enough Place on a flat bed trailer to a road roller to the back of the Move screed up so that you can take it with you.

Weitere Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung und den Unteransprüchen zu entnehmen.Further refinements of the invention are as follows Description and the dependent claims.

Die Erfindung wird nachstehend anhand eines schematisiert in den beigefügten Abbildungen dargestellten Ausführungsbeispiels näher erläutert. The invention is illustrated below using a schematic in the attached figures illustrated embodiment explained in more detail.

Fig. 1 zeigt schematisch eine rückwärtige Ansicht einer Einbaubohle eines Straßenfertigers.Fig. 1 shows schematically a rear view of a screed Paver.

Fig. 2 zeigt eine Seitenansicht der Einbaubohle von Fig. 1.FIG. 2 shows a side view of the screed from FIG. 1.

Fig. 3 zeigt einen Ausschnitt aus Fig. 1.FIG. 3 shows a section from FIG. 1.

Fig. 4 zeigt eine hydraulische Verstelleinrichtung für ein Seitenbegrenzungsteil der Einbaubohle von Fig. 1.Fig. 4 shows a hydraulic adjustment device for a side limiting part the screed of Fig. 1st

Die dargestellte Einbaubohle 1 eines Straßenfertigers umfaßt eine Grundbohle 1a, die in bekannter Weise zur Einstellung eines Dachprofils mittig geteilt sein kann, und zwei Ausfahrbohlen 1b', 1b", die nach rechts bzw. links quer zur Einbaurichtung des Straßenfertigers und damit zu dessen Längsachse ausfahrbar sind, um die Grundbohle 1a maximal bis zur doppelten Breite zu verbreitern. Außerdem kann an eine oder beide Ausfahrbohlen 1b', 1b" ein Bohlenverlängerungsteil 1c angebracht sein. Jeweils ist ein Stampfer 2, der von einem entsprechenden Antrieb (nicht dargestellt) in vertikaler Richtung beweglich ist, um vor ihm durch eine Verteilerschnecke angeordnetes Material einzuziehen und stampfend zusammenzudrücken, und eine nachfolgende Bodenplatte 3 zum Glätten des vom Stampfer 2 eingebauten Materials, die von einem Vibrationsantrieb (nicht dargestellt) beaufschlagt sein kann, vorgesehen. Die Ausfahrbohlen 1b', 1b" sind über Führungsstangen 4 und Ausfahrzylinder 5, die mit einem entsprechenden Stützteil 6 der jeweiligen Ausfahrbohle 1b', 1b" verbunden sind, ausfahrbar.The screed 1 of a paver shown includes one Base screed 1a, which is centered in a known manner for setting a roof profile can be divided, and two extending screeds 1b ', 1b ", which run to the right or left across to the direction of installation of the paver and thus to its longitudinal axis are extendable to the base screed a maximum of up to twice the width broaden. In addition, one or both extension screeds 1b ', 1b "can be used Screed extension part 1c be attached. Each is a tamper 2 by a corresponding drive (not shown) movable in the vertical direction is to feed material arranged in front of him through a screw and pounding together, and a subsequent bottom plate 3 to Smoothing the material built in by the tamper 2 by a vibration drive (not shown) can be provided. The extending planks 1b ', 1b " are about guide rods 4 and 5 extension cylinders, which with a corresponding Support part 6 of the respective extending screed 1b ', 1b "are connected, extendable.

An jeder Seite der Einbaubohle 1 ist ein Seitenbegrenzungsteil 7 vorgesehen, das einen im wesentlichen horizontalen Träger 8 umfaßt, der mittels Schrauben 9 an Seitenwangen 10 der Ausfahrbohle 1b' bzw. 1b" befestigt ist. Der Träger 8 trägt ein Seitenbegrenzungsblech 11, das bodenseitig einen nach außen horizontal umgebogenen Rand aufweist. Das Seitenbegrenzungsblech 11 ist über zwei Verstelleinrichtungen 12 manuell bezüglich des Trägers 8 in seiner Höhe und Neigung in Längsrichtung des Straßenfertigers einstellbar, um beim Einbau auf dem Planum zu gleiten.There is a side delimitation part 7 on each side of the screed 1 provided which comprises a substantially horizontal support 8 which by means of Screws 9 is fixed to the side walls 10 of the extending screed 1b 'or 1b " Carrier 8 carries a side boundary plate 11, the bottom one to the outside horizontally bent edge. The side boundary plate 11 is over two adjusting devices 12 manually with respect to the carrier 8 in height and Inclination can be adjusted in the longitudinal direction of the paver to be installed on the Planum to slide.

An der Rückseite des Trägers 8 ist ein diesen nach rückwärts verlängernder Schwenkarm 13 befestigt, z.B. angeflanscht, wie in Fig. 3 dargestellt ist. Am freien Ende des Schwenkarms 13 ist eine sich senkrecht zum Seitenbegrenzungsblech 11 und damit quer zur Längsrichtung des Straßenfertigers erstreckende insbesondere rohrförmige Führungsstange 14 befestigt.On the back of the carrier 8 is a backwards extending Swivel arm 13 attached, e.g. flanged, as shown in Fig. 3. Outdoors The end of the swivel arm 13 is perpendicular to the side delimitation plate 11 and thus in particular extending transversely to the longitudinal direction of the paver tubular guide rod 14 attached.

An der Rückseite der Einbaubohle 1 befindet sich ein beim Ausfahren der Ausfahrbohlen 1b', 1b" teleskopartig ausfahrbarer Laufsteg 15, der über Laufsteghalter 16 gehalten ist, die jeweils benachbart zur jeweiligen Außenseite der jeweiligen Ausfahrbohle 1b', 1b" an dieser befestigt sind.On the back of the screed 1 is a when extending the Extending screeds 1b ', 1b "telescopically extendable catwalk 15, the Catwalk holder 16 is held, each adjacent to the respective outside of the respective extension screed 1b ', 1b "are attached to this.

Am jeweiligen Laufsteghalter 16 ist eine rohrförmige Führung 17 befestigt, die zusätzlich über einen weiteren, mit der jeweiligen Ausfahrbohle 1b', 1b" verbundenen Halter 18 gehalten ist und die Führungsstange 14 verschiebbar und verdrehbar aufnimmt.A tubular guide 17 is attached to the respective catwalk holder 16, which additionally via a further, with the respective extending screed 1b ', 1b " connected holder 18 is held and the guide rod 14 slidably and pivots.

Soll der Straßenfertiger transportiert werden, werden die beiden Schrauben 9 der beiden Seitenbegrenzungsteile 7 gelöst, wonach letztere zunächst, wie in Fig. 1 gezeigt, hochgeklappt und dann, wie in Fig. 1 links angedeutet, in der hochgeklappten Stellung einwärts geschoben werden, bis sich die Seitenbegrenzungsteile 7 in der hochgeklappten Stellung hinter den Ausfahrbohlen 1b', 1b" befinden, wobei die Führung 17 die Führungsstange 14 führt.If the paver is to be transported, the two screws 9 of the two side boundary parts 7 released, after which the latter first, as in Fig. 1 shown, folded up and then, as indicated in Fig. 1 left, in the folded up position are pushed in until the Side boundary parts 7 in the folded-up position behind the screeds 1b ', 1b ", the guide 17 guiding the guide rod 14.

Der Laufsteg 15 ist in seiner Länge entsprechend verkürzt, d.h. er reicht nicht über die gesamte Länge der Grundbohle 1a, damit entsprechend Platz für die hochgeklappten Seitenbegrenzungsteile 7 vorhanden ist.The length of the catwalk 15 is shortened accordingly, i.e. it is not enough over the entire length of the basic screed 1a, so that there is sufficient space for the folded up side boundary parts 7 is present.

Das Hochklappen und Einschieben der Seitenbegrenzungsteile 7 kann manuell erfolgen. Insbesondere ist hierbei ein Anschlag (nicht dargestellt) vorteilhaft, der das Hochklappen in der Vertikalstellung des Seitenbegrenzungsteils 7 begrenzt. In dieser Stellung wird das Seitenbegrenzungsteils 7 mittels einer Schraube 19 am Laufsteghalter 16 zum Transport befestigt und dadurch gesichert.Folding up and inserting the side boundary parts 7 can done manually. In particular, here is a stop (not shown) advantageous, the folding up in the vertical position of the side limiting part 7 limited. In this position, the side boundary part 7 is by means of a Screw 19 attached to the catwalk holder 16 for transport and thereby secured.

Jedoch ist es zweckmäßig, wenn das Hochklappen mittels eines Zylinders 20 erfolgt, der an der jeweiligen Ausfahrbohle 1b', 1b" angelenkt ist, vgl. Fig. 1, 3 und 4. An der Kolbenstange 21 des Zylinders 20 ist eine (gabelförmige) Lasche 22 befestigt, die mit einem Rohrstück 23 verbunden ist, das einen quadratischen Querschnitt aufweist und von der rohrförmigen Führung 17, die kreisförmigen Querschnitt aufweist, drehbar aufgenommen ist. Die Führungstange 14 ist ebenfalls von quadratischem Querschnitt und zur Gewichtserleichterung rohrförmig sowie von dem Rohrstück 23 verschiebbar und formschlüssig geführt aufgenommen, so daß zwischen dem Rohrstück 23 und der Führungsstange 14 beim Hochschwenken mittels des Zylinders 20 Kraftschluß besteht. Hierdurch kann das Seitenbegrenzungsteil 7 in jeder Position der Führungsstange 14 zur Führung 17 durch den Zylinder 20 hochgeklappt werden. In der ausgefahrenen Position der Kolbenstange 21 befindet sich das Seitenbegrenzungsteils 7 in um 90° hochgeklappter Position. - Dies ist insofern von Vorteil, als bei entsprechender Länge der Führungsstange 14, wie in Fig. 1 dargestellt, auch dann, wenn zwischen der Ausfahrbohle 1b' bzw. 1b" und dem Seitenbegrenzungsteil 7 noch ein Bohlenverlängerungsteil 1c angeordnet ist, ein Hochklappen des Seitenbegrenzungsteils 7 über den Zylinder 20 erfolgen kann, ohne daß das Bohlenverlängerungsteil 1c vorher entfernt werden müßte.However, it is expedient if the folding up by means of a cylinder 20 takes place, which is articulated on the respective extending screed 1b ', 1b ", see FIGS. 1, 3 and 4. On the piston rod 21 of the cylinder 20 is a (fork-shaped) tab 22 attached, which is connected to a piece of pipe 23 having a square Has cross-section and of the tubular guide 17, the circular Has cross section, is rotatably received. The guide rod 14 is also of square cross-section and tubular to lighten weight, and of the pipe section 23 slidably and positively guided so that between the pipe section 23 and the guide rod 14 when swiveling up there is 20 frictional engagement by means of the cylinder. This can Side limiting part 7 in each position of the guide rod 14 for the guide 17th be folded up by the cylinder 20. In the extended position of the Piston rod 21 is the side limiting part 7 in 90 ° folded up position. - This is advantageous in so far as with a corresponding one Length of the guide rod 14, as shown in Fig. 1, even if between the extending screed 1b 'or 1b "and the side limiting part 7 Screed extension part 1c is arranged, folding up the Side boundary part 7 can be done via the cylinder 20 without that Screed extension part 1c would have to be removed beforehand.

Verwendet man einen Zylinder 20 mit beidseitig beaufschlagbarem Kolben, so läßt sich der Zylinder 20 auch zum Zurückschwenken des Seitenbegrenzungsteils 7 aus der Transportstellung in die Arbeitsposition verwenden.If a cylinder 20 with a piston that can be acted upon on both sides is used, so the cylinder 20 can also be used to pivot the Side boundary part 7 from the transport position to the working position use.

Die Seitenbegrenzungsteile 7 lassen sich somit schnell und bequem in Transportstellung und auch wieder erneut in Arbeitsstellung bringen, so daß der Straßenfertiger entsprechend schnell wieder arbeitsfähig ist.The side boundary parts 7 can thus be quickly and easily in Bring the transport position and again into the working position so that the The paver is ready to work again quickly.

Claims (10)

  1. Screed for a paver with a basic screed (1a) and at least one lateral extending screed (1b', 1b") and a side limiting part (7) which folds up for transport to reduce the screed width, characterised in that on the back side of the extending screed (1b', 1b") a guide (17) is arranged which is essentially horizontal and arranged transverse to the direction of paving, which accepts a guide rod (14) fixed to the side limiting part (7) such that it can be moved and rotated.
  2. Screed according to claim 1, characterised in that the guide (17) consists of a section of pipe with a round cross section.
  3. Screed according to claim 1 or 2, characterised in that the side limiting part (7) in its folded position can be secured to the extending screed (1b', 1b").
  4. Screed according to one of claims 1 to 3, characterised in that the guide rod (14) is fixed via a pivot arm (13) onto the side limiting part (7).
  5. Screed according to one of claims 1 to 4, characterised in that the side limiting part (7) can be folded up via a cylinder (20).
  6. Screed according to claim 5, characterised in that the side limiting part (7) in an end position of the piston rod (21) of the cylinder is folded up.
  7. Screed according to claim 5 or 6, characterised in that the cylinder (20) is a double-acting cylinder.
  8. Screed according to one of claims 5 to 7, characterised in that the cylinder (20) is coupled with a section of pipe (23) which can be displaced and pivoted by the guide (17), the section of pipe accepting the guide rod (14) so as not to pivot and move.
  9. Screed according to one of claims 1 to 8, characterised in that on the back side of the screed a catwalk (15) is provided which is shorter than the overall length of the basic screed (1a), so that there is corresponding space for the folded side limiting part (7).
  10. Screed according to claim 9, characterised in that the guide (17) is fixed onto a catwalk mounting (16).
EP01119091A 2000-08-19 2001-08-08 Screed for a road paver Expired - Lifetime EP1180560B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10040761 2000-08-19
DE10040761A DE10040761C1 (en) 2000-08-19 2000-08-19 Tamping device for road surfacing machine has side limitation device folded inwards for reducing overall width during transport

Publications (3)

Publication Number Publication Date
EP1180560A2 EP1180560A2 (en) 2002-02-20
EP1180560A3 EP1180560A3 (en) 2003-01-02
EP1180560B1 true EP1180560B1 (en) 2004-02-25

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EP01119091A Expired - Lifetime EP1180560B1 (en) 2000-08-19 2001-08-08 Screed for a road paver

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EP (1) EP1180560B1 (en)
DE (2) DE10040761C1 (en)

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EP1180560A3 (en) 2003-01-02
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DE10040761C1 (en) 2001-12-06

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