EP0957204B1 - Roadpaver and hopper - Google Patents

Roadpaver and hopper Download PDF

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Publication number
EP0957204B1
EP0957204B1 EP99108174A EP99108174A EP0957204B1 EP 0957204 B1 EP0957204 B1 EP 0957204B1 EP 99108174 A EP99108174 A EP 99108174A EP 99108174 A EP99108174 A EP 99108174A EP 0957204 B1 EP0957204 B1 EP 0957204B1
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EP
European Patent Office
Prior art keywords
conveyor device
hopper
cross
halves
paver
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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
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EP99108174A
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German (de)
French (fr)
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EP0957204A1 (en
Inventor
Dirk Heims
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ABG Allgemeine Baumaschinen GmbH
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ABG Allgemeine Baumaschinen GmbH
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Publication of EP0957204A1 publication Critical patent/EP0957204A1/en
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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
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • 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
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/02—Feeding devices for pavers
    • E01C2301/08—Pushing devices for lorries

Definitions

  • the invention relates to a paver according to the preamble of claim 1 and a feeder therefor according to the preamble of claim 19.
  • Road pavers such as those known from DE 296 12 034 U usually have a bucket on the front side for receiving material to be installed and on the back one on the material to be built floating, via traction arms on the chassis of the Road finisher hinged screed.
  • Material to be built in is from a loading vehicle (truck) tilted into the bucket and from there by means of a longitudinal conveyor to a located in front of the screed Encouraged auger. Through the auger is the material is distributed over the paving width and by means of the screed built-in.
  • From DE-U-296 12 034 is a paver of the type mentioned known, which has a bucket consisting of two bucket halves whose Bottom and side walls are arranged folded. This can indeed be done achieve substantially complete emptying, but one is Interruption of bucket feeding by changing the feeder vehicle can not be avoided.
  • From DE-A-2 628 325 is a feeder for a paver of initially mentioned type, the one consisting of two bucket halves Bucket extending over a normal feeder vehicle width (lorry) corresponding width extends so that an interruption of bucket loading by changing the feeder vehicle is unavoidable.
  • here are for emptying the bucket several, transversely to the longitudinal conveyor extending worm conveyor provided above the one-piece bucket bottom, which also leave a part of the bucket floor free, this part has a Swinging the bucket halves is emptied.
  • the object of the invention is to provide a paver after the The preamble of claim 1 or a feeder therefor according to the preamble of claim 19, in which by a change of the material to be transported transporting trucks (trucks) occurring production breaks are avoided.
  • each of the two halves of the bucket also has a pendulum traverse at the front Beschickergshus on, with the respective bucket half in the transport position can be pivoted.
  • the paver according to claim 1 or the Feeder be brought according to claim 19 in a transport position in which the Dimensions of the machine do not exceed usual transport width.
  • the invention further relates to a feeder for Paver, which essentially corresponds to a paver, however, the screed and the auger therefor, the when the paver on the rear side are provided, possibly together missing with the driver's stand.
  • a feeder for Paver which essentially corresponds to a paver, however, the screed and the auger therefor, the when the paver on the rear side are provided, possibly together missing with the driver's stand.
  • For the longitudinal conveyor extends beyond the rear end of the loading vehicle to the This subsidized material to a subsequent road paver and / or a separate, leading to a subsequent paver Hand over conveyor belt. Accordingly, it is unnecessary, such a Describing feeder separately and depict, rather is in this regard, the embodiment of a described below Road paver reference.
  • the longitudinal conveyor is expediently in the feeder from one or two rubber belt conveyors (if necessary heated), wherein when the material to be incorporated to a subsequent Paver is to be handed over, a longer projection of the Longitudinal conveyor is provided on the back of the feeder, while then when passing to a separate conveyor belt and from there to a paver is to take place, a shorter projection to the transfer can be present. It is also possible in the bucket a centrally, in the longitudinal direction of the feed extending partition and to provide two rubber band conveyors, one on each one Side of the partition is arranged. This allows the feeder two different built-in materials, such as mix for a binder layer and mix for a topcoat that is attached to two different Paver or paving aggregates are delivered.
  • the installation materials via appropriate trucks in the respective competent bucket half tilted, so that they are not from the same conveyor to promote and thus confusion is prevented.
  • the installation materials can be directly via appropriately long rubber band conveyor or for at least the farther back paver on a independent conveyor belt done.
  • the conveyor (s) of the longitudinal conveyor can be height-adjustable on the delivery side and / or laterally pivotable be to adapt to the particular circumstances too guarantee.
  • the paver shown comprises a chassis 1, which with a steerable, with wheels and / or with suspension chains provided chassis 2, a driver's station 3, from which the actuation the paver is vorrisebar, and in the installation direction back provided with a built-in material floating screed 4 is, which is articulated via traction arms 5 on the chassis 1.
  • a distribution screw. 6 for the material to be installed.
  • the latter is the distribution screw. 6 via a centered in the chassis 1, located under the driver's cab 3 extending therethrough, preferably two parallel conveyors comprehensive longitudinal conveyor 7 is supplied, which (in installation direction) the front side in a bucket 8 opens.
  • the bucket 8 comprises two bucket halves 9 each with a bucket bottom 8a and with substantially vertical side walls 8b. Of the Bucket 8 is open towards the longitudinal conveyor 7 down.
  • the bucket halves 9 each comprise a central part 10 with one in the installation direction corresponding to the maximum tilt angle of a loading vehicle beveled side wall portion 11, which is up extends to the installation direction front end of the bucket 8, and a bottom transverse conveyor 12, extending from the outer edge of the respective bucket half 9 to the front end of the longitudinal conveyor 7 extends.
  • the cross conveyors 12 may, for example each comprise a guided over rollers conveyor belt and are respectively drivable via a drive 13. By means of the cross conveyors 12 is to be installed material, which is in the installation direction is located in bucket 8 to the left and right of longitudinal conveyor 7, fed to the longitudinal conveyor 7.
  • Each bucket half 9 comprises in the installation direction in front of the central part 10 a bottom portion 14 laterally through the side wall portion 11 is limited.
  • the two bottom sections 14 extend transversely to the Installation direction over half the width of the bucket 8 and are adjacent to one to the respective transverse conveyor 12 in the transport direction extending axis 15 hinged and thus about hydraulic cylinder (Not shown) in the direction of the respective adjacent transverse conveyor 12 and the respective adjacent end portion of the longitudinal conveyor 7 mounted swiveling.
  • the Floor sections 14 befindliches material to be installed by pivoting the bottom portions 14 of the respective cross conveyor 12th or the longitudinal conveyor 7 can be fed.
  • the bottom sections 14 are higher than the transverse conveyors 12 arranged so that all on the bottom portions 14 befindliches material on the conveyors 7, 12 can be emptied.
  • each bucket half includes 9 a rear bucket half section 16, which has a rear wall 17, a side wall portion 18 and a bottom portion 19 includes.
  • the Rear bucket half sections 16 are adjacent to one another Transverse conveyor 12 extending in the transport direction axis 20 each articulated and thus also about hydraulic cylinder (Not shown) in the direction of the respective cross conveyor 12 mounted swung up.
  • the respective cross conveyor 12 can be fed.
  • the bucket halves 9 are on the chassis 1 each one in Installation direction adjacent to the longitudinal conveyor 7 extending axis 21 articulated and thus also about hydraulic cylinder (not shown) mounted hinged. This pivoting serves the bucket halves 9 for transport purposes in a substantially vertical Pivot up position to the paver on transport width bring to.
  • the bucket 8 is at a sufficient height above the road surface arranged so that when fully swung bucket halves 9 the tub bottoms 8a do not touch the road surface.
  • the longitudinal conveyor 7 is also a order a fixed vertical axis above the upper run of the longitudinal conveyor 7 pivotable baffle 22 whose angle setting for Installation direction is controllable.
  • a (not shown) hydraulic cylinder By suitable pivoting of the baffle 22 about a (not shown) hydraulic cylinder can be controlled be that Constantdes material as evenly as possible over the Width of the longitudinal conveyor 7 is distributed.
  • pendulum traverses 23 mounted with two rollers.
  • the pendulum traverses 23 are each one in the middle between the two Rolling pivot point mounted rotatably.
  • a backwards on one Bucket half 9 of the road paver approaching feed vehicle comes in contact with the respective pendulum traverse 23, whereupon the Loading can begin.
  • the pendulum traverses 23 are together with the Riebelnosften 9 for transport purposes swiveled upwards.
  • each at least one support wheel 24 On the underside of each transverse conveyor 12 can each at least one support wheel 24 may be arranged.
  • the support wheels 24 can in conjunction with the pivoting about the axes 21 despite bumps in the road surface for statically perfect load conditions provide and have expediently tracking properties.
  • the support wheels 24 can also be provided with its own drive or be dependent on the load dependent on their torque.
  • On the underside of the bucket 8 can also be a chassis about in shape be arranged by supporting rollers, so that this as a folded unit can be transported independently of the road paver.
  • the cross conveyors 12 are suitably alternately drivable according to a load measurement on the bucket halves 9.
  • the control can be done manually or automatically.
  • the pivotable baffle 22 automatically in each required Direction, i. towards the cross conveyor in operation 12 controllable.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Description

Die Erfindung betrifft einen Straßenfertiger nach dem Oberbegriff des Anspruchs 1 sowie einen Beschicker hierfür nach dem Oberbegriff des Anspruchs 19.The invention relates to a paver according to the preamble of claim 1 and a feeder therefor according to the preamble of claim 19.

Straßenfertiger wie beispielsweise aus DE 296 12 034 U bekannt besitzen üblicherweise vorderseitig einen Kübel zur Aufnahme von einzubauendem Material und rückseitig eine auf dem einzubauenden Material schwimmende, über Zugarme am Fahrgestell des Straßenfertigers angelenkte Einbaubohle. Einzubauendes Material wird von einem Beschickungsfahrzeug (LKW) in den Kübel gekippt und von dort mittels einer Längsfördereinrichtung zu einer vor der Einbaubohle befindlichen Verteilerschnecke gefördert. Durch die Verteilerschnecke wird das Material über die Einbaubreite verteilt und mittels der Einbaubohle eingebaut.Road pavers such as those known from DE 296 12 034 U usually have a bucket on the front side for receiving material to be installed and on the back one on the material to be built floating, via traction arms on the chassis of the Road finisher hinged screed. Material to be built in is from a loading vehicle (truck) tilted into the bucket and from there by means of a longitudinal conveyor to a located in front of the screed Encouraged auger. Through the auger is the material is distributed over the paving width and by means of the screed built-in.

Hierzu wird ein Beschickungsfahrzeug (LKW) rückwärts vor den Straßenfertiger gefahren und von diesem geschoben, bis sämtliches einzubauendes Material in den Kübel entleert worden ist. Anschließend erfolgt ein Wechsel des Beschickungsfahrzeugs.For this purpose, a load vehicle (truck) backwards in front of the Road paver driven and pushed by this until all einzubauendes Material has been emptied into the tub. Then done a change of the loading vehicle.

Bei großen Arbeitsbreiten und großen Schichtdicken reicht jedoch der Kübelvorrat bei weitem nicht aus, um eine pausenlose Versorgung des Straßenfertigers mit einzubauendem Material zu gewährleisten. Durch den Wechsel des Beschickerfahrzeugs werden daher Produktionspausen verursacht, die einen beträchtlichen Teil der insgesamt zur Verfügung stehenden Zeit beanspruchen. Zwar ist es bekannt, einen solchen Produktionsausfall dadurch zu vermeiden, daß Beschickerer wie beispielsweise aus DE 26 28 325 A bekannt mit übergroßen Kübeln und einem Förderband zur permanenten Beschickung des Straßenfertigers eingesetzt werden, jedoch erfordern derartige Vorrichtungen einen beträchtlichen zusätzlichen Personal- und Maschinenaufwand.However, with large working widths and large layer thicknesses is enough the bucket stock is far from having a non-stop supply to ensure the paver with einzubauendem material. By the replacement of the feeder vehicle therefore causes production breaks, which is a considerable part of the total available take up time. Although it is known, such a loss of production to avoid that feeders such as known from DE 26 28 325 A with oversized Buckets and a conveyor belt for permanent loading of the Road paver, however, require such devices a considerable additional personnel and machinery costs.

Aus DE-U-296 12 034 ist ein Straßenfertiger der eingangs genannten Art bekannt, der einen aus zwei Kübelhälften bestehenden Kübel aufweist, deren Boden- und Seitenwände einklappbar angeordnet sind. Hierdurch läßt sich zwar eine im wesentlichen vollständige Entleerung erreichen, jedoch ist eine Unterbrechung der Kübelbeschickung durch Wechsel des Beschickerfahrzeugs nicht zu vermeiden.From DE-U-296 12 034 is a paver of the type mentioned known, which has a bucket consisting of two bucket halves whose Bottom and side walls are arranged folded. This can indeed be done achieve substantially complete emptying, but one is Interruption of bucket feeding by changing the feeder vehicle can not be avoided.

Aus DE-A-2 628 325 ist ein Beschicker für einen Straßenfertiger der eingangs genannten Art bekannt, der einen aus zwei Kübelhälften bestehenden Kübel aufweist, der sich über eine einer normalen Beschickerfahrzeugbreite (LKW) entsprechende Breite erstreckt, so daß eine Unterbrechung der Kübelbeschickung durch Wechsel des Beschickerfahrzeugs nicht zu vermeiden ist. Außerdem sind hier zur Entleerung des Kübels mehrere, sich quer zur Längsfördereinrichtung erstreckende Schneckenförderer über dem einstückigen Kübelboden vorgesehen, die zudem einen Teil des Kübelbodens frei lassen, wobei dieser Teil über ein Hochschwenken der Kübelhälften entleert wird.From DE-A-2 628 325 is a feeder for a paver of initially mentioned type, the one consisting of two bucket halves Bucket extending over a normal feeder vehicle width (lorry) corresponding width extends so that an interruption of bucket loading by changing the feeder vehicle is unavoidable. Besides, here are for emptying the bucket several, transversely to the longitudinal conveyor extending worm conveyor provided above the one-piece bucket bottom, which also leave a part of the bucket floor free, this part has a Swinging the bucket halves is emptied.

Aufgabe der Erfindung ist es, einen Straßenfertiger nach dem Oberbegriff des Anspruchs 1 bzw. einen Beschicker hierfür nach dem Oberbegriff des Anspruchs 19 zu schaffen, bei denen durch einen Wechsel von das einzubauende Material transportierenden Beschickungsfahrzeugen (LKW) auftretende Produktionspausen vermieden werden.The object of the invention is to provide a paver after the The preamble of claim 1 or a feeder therefor according to the preamble of claim 19, in which by a change of the material to be transported transporting trucks (trucks) occurring production breaks are avoided.

Diese Aufgabe wird entsprechend den Merkmalen des Anspruchs 1 bzw. Anspruchs 19 gelöst.This task is done according to the characteristics of the Claim 1 or claim 19 solved.

Hierzu ist in einem Straßenfertiger mit einer zu einer Verteilerschnecke fördernden Längsfördereinrichtung und einem zwei Kübelhälften umfassenden Kübel in den Kübelhälften jeweils eine durch einen Antrieb antreibbare, bodenseitig angeordnete Querfördereinrichtung vorgesehen, wobei gegenüber der jeweiligen Querfördereinrichtung verbleibende Bodenabschnitte der Kübelhälften zur Querfördereinrichtung ein in eine Transportposition kippbar sind. Die Querfördereinrichtungen erstrecken sich jeweils vom Außenrand der jeweiligen Kübelhälfte bis über die Längsfördereinrichtung. Dies ermöglicht es, gleichzeitig zwei Beschickungsfahrzeuge, jeweils eines vor jede Kübelhälfte zu fahren, die in die jeweils dahinter befindliche Kübelhälfte entleert werden. In einer dieser beiden Positionen kann daher die Beschickung durch ein Beschickungsfahrzeug vorgenommen werden, während in der anderen Position zeitgleich ein Wechsel des Beschickungsfahrzeuges vorgenommen werden kann, so daß immer genügend Material zum Einbau bereitgestellt werden kann und durch einen Mangel an Einbaumaterial bedingte Produktionspausen vermieden werden können. Jede der beiden Kübelhälften weist zudem frontseitig eine Pendeltraverse für ein Beschickergsfahrzeug auf, die mit der jeweiligen Kübelhälfte in die Transportposition verschwenkt werden kann. Somit kann der Fertiger gemäß Anspruch 1 bzw. der Beschicker gemäß Anspruch 19 in eine Transportposition gebracht werden, in der die Abmessungen der Maschine übliche Transportbreite nicht überschreiten. This is in a paver with a to a distribution screw promotional longitudinal conveyor and a two bucket halves comprehensive bucket in the bucket halves one each by a drive drivable, arranged on the bottom transverse conveyor provided with respect to the respective cross conveyor remaining Bottom sections of the bucket halves to the cross conveyor tilting into a transport position are. The transverse conveyors each extend from the outer edge the respective bucket half to about the longitudinal conveyor. this makes possible it, at the same time two loading vehicles, one each before to drive each half of the bucket into the bucket half behind it be emptied. In one of these two positions can therefore the charge is made by a loading vehicle while in the other position at the same time a change of the loading vehicle can be made, so that always enough material for Installation can be provided and by a lack of paving material conditional breaks in production can be avoided. Each of the two halves of the bucket also has a pendulum traverse at the front Beschickergsfahrzeug on, with the respective bucket half in the transport position can be pivoted. Thus, the paver according to claim 1 or the Feeder be brought according to claim 19 in a transport position in which the Dimensions of the machine do not exceed usual transport width.

Durch die Kippbarkeit der Bodenabschnitte wird eine vollständige Zufuhr des einzubauenden Materials zu den Querfördereinrichtungen gewährleistet, die dieses Material zur Längsfördereinrichtung fördern.Due to the tiltability of the soil sections is a complete Supply of the material to be installed to the cross conveyors ensures that promote this material to the longitudinal conveyor.

Gegenstand der Erfindung ist ferner ein Beschicker für Straßenfertiger, der im wesentlichen einem Straßenfertiger entspricht, wobei allerdings die Einbaubohle und die Verteilerschnecke hierfür, die beim Straßenfertiger heckseitig vorgesehen sind, gegebenenfalls zusammen mit dem Fahrerstand fehlen. Dafür erstreckt sich die Längsfördereinrichtung über das hintere Ende des Beschickungsfahrzeugs hinaus, um das hiervon geförderte Material an einen nachfolgenden Straßenfertiger und/oder ein separates, zu einem nachfolgenden Straßenfertiger führendes Förderband zu übergeben. Dementsprechend erübrigt es sich, einen derartiges Beschicker gesondert zu beschreiben und abzubilden, vielmehr wird diesbezüglich auf das nachstehend beschriebene Ausführungsbeispiel eines Straßenfertigers bezug genommen.The invention further relates to a feeder for Paver, which essentially corresponds to a paver, however, the screed and the auger therefor, the when the paver on the rear side are provided, possibly together missing with the driver's stand. For the longitudinal conveyor extends beyond the rear end of the loading vehicle to the This subsidized material to a subsequent road paver and / or a separate, leading to a subsequent paver Hand over conveyor belt. Accordingly, it is unnecessary, such a Describing feeder separately and depict, rather is in this regard, the embodiment of a described below Road paver reference.

Die Längsfördereinrichtung besteht beim Beschicker zweckmäßigerweise aus einem oder zwei Gummibandförderern (gegebenenfalls beheizbar), wobei dann, wenn das einzubauende Material an einen nachfolgenden Straßenfertiger übergeben werden soll, ein längerer Überstand des Längsförderers an der Rückseite des Beschickers vorzusehen ist, während dann, wenn die Übergabe an ein separates Förderband und von dort zu einem Straßenfertiger erfolgen soll, ein kürzerer Überstand zur Übergabe vorhanden sein kann. Außerdem ist es dabei möglich, im Kübel eine mittig, sich in Längsrichtung des Beschickes erstreckende Trennwand sowie zwei Gummibandförderer vorzusehen, von denen je einer auf jeder Seite der Trennwand angeordnet ist. Hierdurch kann der Beschicker zwei unterschiedliche Einbaumaterialien, etwa Mischgut für eine Binderschicht und Mischgut für eine Deckschicht aufnehmen, die an zwei unterschiedliche Straßenfertiger oder Einbauaggregate abgegeben werden. Hierbei werden die Einbaumaterialien über entsprechende LKW in die jeweilige zuständige Kübelhälfte gekippt, so daß diese nicht vom selben Förderer zu fördern sind und somit Verwechslungen vorgebeugt wird. Die Einbaumaterialien können direkt über entsprechend lange Gummibandförderer oder für zumindest den weiter hinten befindlichen Straßenfertiger über ein unabhängiges Förderband erfolgen. Der bzw. die Förderer der Längsfördereinrichtung können abgabeseitig höhenverstellbar und/oder seitlich verschwenkbar sein, um eine Anpassung an die jeweiligen Gegebenheiten zu gewährleisten.The longitudinal conveyor is expediently in the feeder from one or two rubber belt conveyors (if necessary heated), wherein when the material to be incorporated to a subsequent Paver is to be handed over, a longer projection of the Longitudinal conveyor is provided on the back of the feeder, while then when passing to a separate conveyor belt and from there to a paver is to take place, a shorter projection to the transfer can be present. It is also possible in the bucket a centrally, in the longitudinal direction of the feed extending partition and to provide two rubber band conveyors, one on each one Side of the partition is arranged. This allows the feeder two different built-in materials, such as mix for a binder layer and mix for a topcoat that is attached to two different Paver or paving aggregates are delivered. in this connection are the installation materials via appropriate trucks in the respective competent bucket half tilted, so that they are not from the same conveyor to promote and thus confusion is prevented. The installation materials can be directly via appropriately long rubber band conveyor or for at least the farther back paver on a independent conveyor belt done. The conveyor (s) of the longitudinal conveyor can be height-adjustable on the delivery side and / or laterally pivotable be to adapt to the particular circumstances too guarantee.

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

Die Erfindung wird nachstehend anhand eines in den beigefügten Abbildungen dargestellten Ausführungsbeispiels näher erläutert.

  • Fig. 1 zeigt eine Seitenansicht eines Straßenfertigers.
  • Fig. 2 zeigt schematisch eine Draufsicht auf den Straßenfertiger aus Fig. 1.
    • The invention will be explained in more detail with reference to an embodiment shown in the accompanying drawings.
  • Fig. 1 shows a side view of a paver.
  • FIG. 2 schematically shows a plan view of the paver of FIG. 1. FIG.

    • Der dargestellte Straßenfertiger umfaßt ein Fahrgestell 1, welches mit einem lenkbaren, mit Rädern und/oder mit Fahrwerksketten versehenen Fahrwerk 2, einem Fahrerstand 3, von dem aus die Betätigung des Straßenfertigers vornehmbar ist, und in Einbaurichtung rückseitig mit einer auf einzubauendem Material schwimmenden Einbaubohle 4 versehen ist, die über Zugarme 5 am Fahrgestell 1 angelenkt ist.The paver shown comprises a chassis 1, which with a steerable, with wheels and / or with suspension chains provided chassis 2, a driver's station 3, from which the actuation the paver is vornehmbar, and in the installation direction back provided with a built-in material floating screed 4 is, which is articulated via traction arms 5 on the chassis 1.

    Vor der Einbaubohle 4 befindet sich eine Verteilerschnecke 6 für das einzubauende Material. Letzteres wird der Verteilerschnecke 6 über eine in dem Fahrgestell 1 mittig angeordnete, sich unter dem Fahrerstand 3 hindurch erstreckende, vorzugsweise zwei parallele Förderer umfassende Längsfördereinrichtung 7 zugeführt, die (in Einbaurichtung) vorderseitig in einem Kübel 8 mündet.Before the screed 4 is a distribution screw. 6 for the material to be installed. The latter is the distribution screw. 6 via a centered in the chassis 1, located under the driver's cab 3 extending therethrough, preferably two parallel conveyors comprehensive longitudinal conveyor 7 is supplied, which (in installation direction) the front side in a bucket 8 opens.

    Der Kübel 8 umfaßt zwei Kübelhälften 9 jeweils mit einem Kübelboden 8a sowie mit im wesentlichen vertikalen Seitenwänden 8b. Der Kübel 8 ist nach unten zu der Längsfördereinrichtung 7 hin offen.The bucket 8 comprises two bucket halves 9 each with a bucket bottom 8a and with substantially vertical side walls 8b. Of the Bucket 8 is open towards the longitudinal conveyor 7 down.

    Die Kübelhälften 9 umfassen jeweils einen Mittelteil 10 mit einem in Einbaurichtung entsprechend dem maximalen Kippwinkel eines Beschickungsfahrzeugs abgeschrägten Seitenwandabschnitt 11, der sich bis zum in Einbaurichtung vorderseitigen Ende des Kübels 8 erstreckt, und einer bodenseitigen Querfördereinrichtung 12, die sich vom Außenrand der jeweiligen Kübelhälfte 9 bis zum vorderen Ende der Längsfördereinrichtung 7 hin erstreckt. Die Querfördereinrichtungen 12 können beispielsweise jeweils ein über Rollen geführtes Förderband umfassen und sind jeweils über einen Antrieb 13 antreibbar. Mittels der Querfördereinrichtungen 12 wird einzubauendes Material, welches sich in Einbaurichtung links und rechts neben der Längsfördereinrichtung 7 im Kübel 8 befindet, der Längsfördereinrichtung 7 zugeführt.The bucket halves 9 each comprise a central part 10 with one in the installation direction corresponding to the maximum tilt angle of a loading vehicle beveled side wall portion 11, which is up extends to the installation direction front end of the bucket 8, and a bottom transverse conveyor 12, extending from the outer edge of the respective bucket half 9 to the front end of the longitudinal conveyor 7 extends. The cross conveyors 12 may, for example each comprise a guided over rollers conveyor belt and are respectively drivable via a drive 13. By means of the cross conveyors 12 is to be installed material, which is in the installation direction is located in bucket 8 to the left and right of longitudinal conveyor 7, fed to the longitudinal conveyor 7.

    Jede Kübelhälfte 9 umfaßt in Einbaurichtung vor dem Mittelteil 10 einen Bodenabschnitt 14, der seitlich durch den Seitenwandabschnitt 11 begrenzt wird. Die beiden Bodenabschnitte 14 erstrecken sich quer zur Einbaurichtung über die halbe Breite des Kübels 8 und sind um eine benachbart zur jeweiligen Querfördereinrichtung 12 in deren Transportrichtung verlaufende Achse 15 gelenkig und damit etwa über Hydraulikzylinder (nicht dargestellt) in Richtung auf die jeweils benachbarte Querfördereinrichtung 12 und den jeweils benachbarten Endabschnitt der Längsfördereinrichtung 7 hochschwenkbar angebracht. Infolgedessen ist auf den Bodenabschnitten 14 befindliches einzubauendes Material durch Hochschwenken der Bodenabschnitte 14 der jeweiligen Querfördereinrichtung 12 bzw. der Längsfördereinrichtung 7 zuführbar. Die Bodenabschnitte 14 sind höher als die Querfördereinrichtungen 12 angeordnet, damit sämtliches auf den Bodenabschnitten 14 befindliches Material über die Fördereinrichtungen 7, 12 entleert werden kann.Each bucket half 9 comprises in the installation direction in front of the central part 10 a bottom portion 14 laterally through the side wall portion 11 is limited. The two bottom sections 14 extend transversely to the Installation direction over half the width of the bucket 8 and are adjacent to one to the respective transverse conveyor 12 in the transport direction extending axis 15 hinged and thus about hydraulic cylinder (Not shown) in the direction of the respective adjacent transverse conveyor 12 and the respective adjacent end portion of the longitudinal conveyor 7 mounted swiveling. As a result, on the Floor sections 14 befindliches material to be installed by pivoting the bottom portions 14 of the respective cross conveyor 12th or the longitudinal conveyor 7 can be fed. The bottom sections 14 are higher than the transverse conveyors 12 arranged so that all on the bottom portions 14 befindliches material on the conveyors 7, 12 can be emptied.

    In Einbaurichtung hinter dem Mittelteil 10 umfaßt jede Kübelhälfte 9 einen hinteren Kübelhälftenabschnitt 16, der eine Hinterwand 17, einen Seitenwandabschnitt 18 und einen Bodenabschnitt 19 umfaßt. Die hinteren Kübelhälftenabschnitte 16 sind um eine benachbart zur jeweiligen Querfördereinrichtung 12 in deren Transportrichtung verlaufende Achse 20 jeweils gelenkig und damit ebenfalls etwa über Hydraulikzylinder (nicht dargestellt) in Richtung auf die jeweilige Querfördereinrichtung 12 hochschwenkbar angebracht. Infolgedessen ist in den Kübelhälftenabschnitten 16 befindliches einzubauendes Material durch Hochschwenken der Kübelhälftenabschnitte 16 vollständig der jeweiligen Querfördereinrichtung 12 zuführbar.In the installation direction behind the middle part 10, each bucket half includes 9 a rear bucket half section 16, which has a rear wall 17, a side wall portion 18 and a bottom portion 19 includes. The Rear bucket half sections 16 are adjacent to one another Transverse conveyor 12 extending in the transport direction axis 20 each articulated and thus also about hydraulic cylinder (Not shown) in the direction of the respective cross conveyor 12 mounted swung up. As a result, in the bucket half sections 16 to be installed material by pivoting the Bucket half sections 16 completely the respective cross conveyor 12 can be fed.

    Die Kübelhälften 9 sind am Fahrgestell 1 jeweils um eine in Einbaurichtung benachbart zur Längsfördereinrichtung 7 verlaufende Achse 21 gelenkig und damit ebenfalls etwa über Hydraulikzylinder (nicht dargestellt) hochschwenkbar angebracht. Diese Schwenkbarkeit dient dazu, die Kübelhälften 9 zu Transportzwecken in eine im wesentlichen senkrechte Position nach oben zu schwenken, um den Straßenfertiger auf Transportbreite zu bringen.The bucket halves 9 are on the chassis 1 each one in Installation direction adjacent to the longitudinal conveyor 7 extending axis 21 articulated and thus also about hydraulic cylinder (not shown) mounted hinged. This pivoting serves the bucket halves 9 for transport purposes in a substantially vertical Pivot up position to the paver on transport width bring to.

    Der Kübel 8 ist in ausreichender Höhe über dem Fahrbahnuntergrund angeordnet, so daß bei vollständig hochgeschwenkten Kübelhälften 9 die Kübelböden 8a den Fahrbahnuntergrund nicht berühren.The bucket 8 is at a sufficient height above the road surface arranged so that when fully swung bucket halves 9 the tub bottoms 8a do not touch the road surface.

    Da die Querfördereinrichtungen 12 nicht den gesamten Kübelboden 8a überdecken, sondern nur im Mittelteil 10 des Kübels 8 vorgesehen sind, bilden diese zusammen mit ihren Antrieben 13 relativ kleine, entsprechend leichte Einheiten.Because the cross conveyors 12 do not cover the entire bucket bottom Cover 8a, but only in the middle part 10 of the bucket 8 is provided are, these together with their drives 13 relatively small, accordingly light units.

    Über der Längsfördereinrichtung 7 befindet sich ferner ein um eine feststehende vertikale Achse über dem Obertrum der Längsfördereinrichtung 7 verschwenkbares Leitblech 22, dessen Winkeleinstellung zur Einbaurichtung steuerbar ist. Durch geeignete Schwenkung des Leitblechs 22 etwa über einen (nicht dargestellten) Hydraulikzylinder kann gesteuert werden, daß einzubauendes Material möglichst gleichmäßig über die Breite der Längsfördereinrichtung 7 verteilt wird.About the longitudinal conveyor 7 is also a order a fixed vertical axis above the upper run of the longitudinal conveyor 7 pivotable baffle 22 whose angle setting for Installation direction is controllable. By suitable pivoting of the baffle 22 about a (not shown) hydraulic cylinder can be controlled be that einzubauendes material as evenly as possible over the Width of the longitudinal conveyor 7 is distributed.

    An der Kübelträgerkonstruktion unterhalb der Kübelböden 8a sind jeweils in Einbaurichtung vorderseitig zwei quer zur Einbaurichtung angeordnete Pendeltraversen 23 mit je zwei Rollen angebracht. Die Pendeltraversen 23 sind jeweils um einen in der Mitte zwischen den beiden Rollen befindlichen Drehpunkt drehbar gelagert. Ein rückwärts auf eine Kübelhälfte 9 des Straßenfertigers zufahrendes Beschickungsfahrzeug kommt in Kontakt mit der jeweiligen Pendeltraverse 23, woraufhin die Beschickung beginnen kann. Die Pendeltraversen 23 sind zusammen mit den Kübelhäften 9 zu Transportzwecken nach oben schwenkbar.At the bucket carrier construction below the bucket bottoms 8a are each in the installation direction on the front two transverse to the direction of installation arranged pendulum traverses 23 mounted with two rollers. The pendulum traverses 23 are each one in the middle between the two Rolling pivot point mounted rotatably. A backwards on one Bucket half 9 of the road paver approaching feed vehicle comes in contact with the respective pendulum traverse 23, whereupon the Loading can begin. The pendulum traverses 23 are together with the Kübelhäften 9 for transport purposes swiveled upwards.

    Zur Beschickung wird ein mit einzubauendem Material beladenes Beschickungsfahrzeug rückwärts vor eine der Kübelhälften 9 gefahren und in die betreffende Kübelhälfte 9 entleert. Durch Hochschwenken der Bodenabschnitte 14 bzw. der hinteren Kübelhälftenabschnitte 16 wird dort befindliches einzubauendes Material der Längsfördereinrichtung 7 zugeführt. Mittels der Längsfördereinrichtung 7 wird das zugeführte Material entgegengesetzt zur Einbaurichtung bis zur Verteilerschnecke 6 hin gefördert, von dieser über die Einbaubreite verteilt und mittels der Einbaubohle 4 eingebaut.For loading a loaded with einzubauendem material Feed vehicle moved backwards in front of one of the bucket halves 9 and emptied into the relevant bucket half 9. By swiveling up the floor sections 14 and the rear bucket half sections 16 is there located einzubauendes material of the longitudinal conveyor 7 is supplied. By means of the longitudinal conveyor 7, the supplied material opposite to the direction of installation conveyed to the auger 6, distributed by this over the paving width and by means of the screed 4 installed.

    Unterseitig zur jeweiligen Querfördereinrichtung 12 kann jeweils mindestens ein Stützrad 24 angeordnet sein. Die Stützräder 24 können in Verbindung mit der Schwenkbarkeit um die Achsen 21 trotz Unebenheiten im Fahrbahngrund für statisch einwandfreie Auflastverhältnisse sorgen und weisen zweckmäßigerweise Nachlaufeigenschaften auf.On the underside of each transverse conveyor 12 can each at least one support wheel 24 may be arranged. The support wheels 24 can in conjunction with the pivoting about the axes 21 despite bumps in the road surface for statically perfect load conditions provide and have expediently tracking properties.

    Die Stützräder 24 können auch mit einem eigenen Antrieb versehen bzw. bezüglich ihres Drehmoments lastabhängig regelbar sein.The support wheels 24 can also be provided with its own drive or be dependent on the load dependent on their torque.

    Wenn bezüglich der Schwenkbarkeit der Kübelhälften 9 um die Achsen 21 kein Anschlag vorgesehen ist, der ein Schwenken der Kübelhälften 9 gegenüber der Kübeltragkonstruktion nach unten begrenzt, ergeben sich auch bei Unebenheiten im Fahrbahngrund immer einwandfreie Auflastverhältnisse bezüglich der Stützräder 24.With respect to the pivoting of the bucket halves 9 to the Axes 21 no stop is provided, the pivoting of the bucket halves 9 limited to the bucket support structure down, result Even when unevenness in the road surface always perfect load conditions with respect to the support wheels 24.

    Anstelle der Stützräder 24 können auch Raupenlaufwerke eingesetzt werden.Instead of the support wheels 24 and caterpillar drives can be used become.

    Unterseitig zu dem Kübel 8 kann auch ein Fahrwerk etwa in Form von Stützrollen angeordnet sein, so daß dieser als eingeklappte Einheit unabhängig vom Straßenfertiger transportiert werden kann.On the underside of the bucket 8 can also be a chassis about in shape be arranged by supporting rollers, so that this as a folded unit can be transported independently of the road paver.

    Die Querfördereinrichtungen 12 sind zweckmäßigerweise wechselweise entsprechend einer Auflastmessung an den Kübelhälften 9 antreibbar. Die Steuerung kann manuell oder automatisch erfolgen. Abhängig von der jeweils im Betrieb befindlichen Querfördereinrichtung 12 ist vorteilhaft das schwenkbare Leitblech 22 automatisch in die jeweils benötigte Richtung, d.h. in Richtung zur im Betrieb befindlichen Querfördereinrichtung 12 steuerbar.The cross conveyors 12 are suitably alternately drivable according to a load measurement on the bucket halves 9. The control can be done manually or automatically. Depending on the transverse conveyor 12 which is in operation in each case is advantageous the pivotable baffle 22 automatically in each required Direction, i. towards the cross conveyor in operation 12 controllable.

    Claims (38)

    1. Paver with a chassis (1) which is provided, at the front in the paving direction, with a removable hopper (8) for receiving material to be paved and, at the rear, with a floating screed (4), a longitudinal conveyor device (7) being provided between the hopper (8) and a distributor worm (6) located in front of the screed (4) in the paving direction, the hopper (8) being open towards the longitudinal conveyor device (7) and comprising two hopper halves (9) which are pivotable in each case about an axis (21) running adjacently to the longitudinal conveyor device (7) in the paving direction, the longitudinal conveyor device (7) being arranged on the feed side between the hopper halves (9) on the bottom side, characterized in that there is provided in each of the hopper halves (9) a cross-conveyor device (12) which is designed as a band conveyor device on the bottom side, forms part of the hopper bottom (8a), extends as far as the longitudinal band-conveyor device and terminates laterally of the hopper-side end of the longitudinal conveyor device (7), those bottom portions (14, 19) of the hopper halves (9) which remain with regard to the respective cross-conveyor device (12) being tiltable relative to the respective cross-conveyor device (12), and the cross-conveyor devices (12) being pivotable together with the hopper halves (9) about the axis (21), each hopper half (9) having at the front a crossmember (23) which pivots with the respective hopper half (9) for a loading vehicle.
    2. Paver according to Claim 1, characterized in that those hopper-half portions (16) of the hopper halves (9) which are located at the rear in the paving direction and which comprise bottom portions (19) remaining with regard to the respective cross-conveyor device (12) can be pivoted forwards about an axis (20) running adjacently to the respective cross-conveyor device (12) in the direction of transport of the latter.
    3. Paver according to Claim 1 or 2, characterized in that the hopper halves (9) comprise a bottom portion (14) which is located at the front in the paving direction and which can be pivoted rearwards about an axis (15) running adjacently to the respective cross-conveyor device (12) in the direction of transport of the latter.
    4. Paver according to one of Claims 1 to 3, characterized in that those bottom portions (14, 19) of the hopper halves (9) which are tiltable relative to the cross-conveyor device (12) can be actuated via hydraulic cylinders.
    5. Paver according to one of Claims 1 to 4, characterized in that the longitudinal conveyor device (7) comprises a guide plate (22) pivotable about a fixed axis perpendicular to the conveying direction of the longitudinal conveyor device (7) and above the upper strand of the longitudinal conveyor device (7).
    6. Paver according to one of Claims 1 to 5, characterized in that the longitudinal conveyor device (7) comprises two parallel conveyors.
    7. Paver according to one of Claims 1 to 6, characterized in that at least one travelling gear (24) is arranged on each of the hopper halves (9) below the cross-conveyor devices (12).
    8. Paver according to Claim 7, characterized in that the travelling gears (24) have trailing properties.
    9. Paver according to Claim 7, characterized in that the travelling gears (24) have their own drive.
    10. Paver according to Claim 9, characterized in that the travelling gears (24) are regulatable in a load-dependent manner in terms of their torque.
    11. Paver according to one of Claims 7 to 10, characterized in that the travelling gears (24) each comprise at least one supporting wheel.
    12. Paver according to one of Claims 7 to 10, characterized in that the travelling gears (24) each comprise at least one crawler travelling gear.
    13. Paver according to one of Claims 7 to 12, characterized in that the hopper halves (9) are in each case mounted in an articulated manner relative to a hopper carrier structure of the chassis (1) about an axis (21) running adjacently to the longitudinal conveyor device (7) in the paving direction.
    14. Paver according to one of Claims 1 to 13, characterized in that the hopper halves (9) are in each case pivotable upwards in a transport position about an axis (21) running adjacently to the longitudinal conveyor device (7) in the paving direction.
    15. Paver according to one of Claims 1 to 14, characterized in that the cross-conveyor devices (12) are alternately drivable according to a measurement of vertical load.
    16. Paver according to one of Claims 5 to 14, characterized in that the cross-conveyor devices (12) are alternately drivable according to a measurement of vertical load and, depending on the cross-conveyor device (12) which is in operation in each case, the pivotable guide plate (22) can be deflected automatically in the direction respectively required.
    17. Paver according to one of Claims 1 to 16, characterized in that the hopper (8) is arranged removably as a unit on the paver.
    18. Paver according to Claim 17, characterized in that an oscillating crossmember (23) for bearing against the rear side of a loading vehicle is arranged in each case at the front in front of the two hopper halves (9).
    19. Loader for pavers, with a chassis (1) which is provided, at the front in the paving direction, with a removable hopper (8) for receiving material to be paved, there being provided, so as to follow the hopper (8), a longitudinal conveyor device (7) extending beyond the rear end of the loader, the hopper (8) being open towards the longitudinal conveyor device (7) and comprising two hopper halves (9), each with a cross-conveyor device (12), the longitudinal conveyor device (7) being arranged on the feed side between the hopper halves (9) on the bottom side, and the cross-conveyor devices (12) being arranged on the bottom side, extending as far as the longitudinal conveyor device (7), and terminating laterally of the hopper-side end of the longitudinal conveyor device (7), characterized in that the cross-conveyor devices are band-conveyor devices, which form part of the hopper bottom (8a), those bottom portions (14, 19) of the hopper halves (9) which remain with regard to the respective cross-conveyor device (12) being tiltable relative to the respective cross-conveyor device (12), and the cross-conveyor devices (12) being in each case pivotable, together with the hopper halves (9), about an axis (21) running adjacently to the longitudinal conveyor device (7) in the paving direction, each hopper half (9) having at the front a crossmember (23) which pivots with the respective hopper half (9) for a loading vehicle.
    20. Loader according to Claim 19, characterized in that those hopper-half portions (16) of the hopper halves (9) which are located at the rear in the paving direction and which comprise bottom portions (19) remaining with regard to the respective cross-conveyor device (12) can be pivoted forwards about an axis (20) running adjacently to the respective cross-conveyor device (12) in the direction of transport of the latter.
    21. Loader according to Claim 19 or 20, characterized in that those hopper halves (9) comprise a bottom portion (14) which is located at the front in the paving direction and which can be pivoted rearwards about an axis (15) running adjacently to the respective cross-conveyor device (12) in the direction of transport of the latter.
    22. Loader according to one of Claims 19 to 21, characterized in that those bottom portions (14, 19) of the hopper halves (9) which are tiltable relative to the cross-conveyor device (12) can be actuated via hydraulic cylinders.
    23. Loader according to one of Claims 19 to 22, characterized in that the longitudinal conveyor device (7) comprises a guide plate (22) pivotable about a fixed axis perpendicular to the conveying direction of the longitudinal conveyor device (7) and above the upper strand of the longitudinal conveyor device (7).
    24. Loader according to one of Claims 19 to 23, characterized in that the longitudinal conveyor device (7) comprises two parallel conveyors.
    25. Loader according to one of Claims 19 to 24, characterized in that at least one travelling gear (24) is arranged on each of the hopper halves (9) below the cross-conveyor devices (12).
    26. Loader according to Claim 25, characterized in that the travelling gears (24) have trailing properties.
    27. Loader according to Claim 25, characterized in that the travelling gears (24) have their own drive.
    28. Loader according to Claim 27, characterized in that the travelling gears (24) are regulatable in a load-dependent manner in terms of their torque.
    29. Loader according to one of Claims 25 to 28, characterized in that the travelling gears (24) each comprise at least one supporting wheel.
    30. Loader according to one of Claims 25 to 29, characterized in that the travelling gears (24) each comprise at least one crawler travelling gear.
    31. Loader according to one of Claims 25 to 30, characterized in that the hopper halves (9) are in each case mounted in an articulated manner relative to a hopper carrier structure of the chassis (1) about an axis (21) running adjacently to the longitudinal conveyor device (7) in the paving direction.
    32. Loader according to one of Claims 19 to 31, characterized in that the hopper halves (9) are in each case pivotable upwards in a transport position about an axis (21) running adjacently to the longitudinal conveyor device (7) in the paving direction.
    33. Loader according to one of Claims 19 to 32, characterized in that the cross-conveyor devices (12) are alternately drivable according to a measurement of vertical load.
    34. Loader according to one of Claims 23 to 32, characterized in that the cross-conveyor devices (12) are alternately drivable according to a measurement of vertical load and, depending on the cross-conveyor device (12) which is in operation in each case, the pivotable guide plate (22) can be deflected automatically in the direction respectively required.
    35. Loader according to one of Claims 19 to 34, characterized in that the hopper (8) is arranged removably as a unit on the loader.
    36. Loader according to Claim 35, characterized in that an oscillating crossmember (23) for bearing against the rear side of a loading vehicle which delivers material for paving is arranged in each case at the front in front of the two hopper halves (9).
    37. Loader according to one of Claims 19 to 36, characterized in that the longitudinal conveyor device (7) comprises one or two rubber band conveyors.
    38. Loader according to one of Claims 19 to 37, characterized in that the hopper (8) has a middle partition in the region of the longitudinal conveyor device, adjacently to which a conveyor of the longitudinal conveyor device (7) is arranged in each case, the said conveyors having identical or different lengths and/or terminating at different heights and, if appropriate, at least one of the said conveyors being laterally pivotable on the discharge side.
    EP99108174A 1998-05-12 1999-04-26 Roadpaver and hopper Expired - Lifetime EP0957204B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19821090 1998-05-12
    DE19821090A DE19821090A1 (en) 1998-05-12 1998-05-12 Paver

    Publications (2)

    Publication Number Publication Date
    EP0957204A1 EP0957204A1 (en) 1999-11-17
    EP0957204B1 true EP0957204B1 (en) 2005-10-26

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    Application Number Title Priority Date Filing Date
    EP99108174A Expired - Lifetime EP0957204B1 (en) 1998-05-12 1999-04-26 Roadpaver and hopper

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    US (1) US6193437B1 (en)
    EP (1) EP0957204B1 (en)
    JP (1) JP4083346B2 (en)
    CN (1) CN1152173C (en)
    BR (1) BR9901527A (en)
    CA (1) CA2270508C (en)
    DE (2) DE19821090A1 (en)

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    BR9901527A (en) 2000-07-11
    CA2270508C (en) 2005-04-12
    CA2270508A1 (en) 1999-11-12
    JP4083346B2 (en) 2008-04-30
    JPH11336013A (en) 1999-12-07
    CN1152173C (en) 2004-06-02
    EP0957204A1 (en) 1999-11-17
    US6193437B1 (en) 2001-02-27
    CN1235223A (en) 1999-11-17
    DE19821090A1 (en) 1999-12-02
    DE59912696D1 (en) 2005-12-01

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