EP0467255B1 - Motorised laying vehicle for road- or path-surfacings - Google Patents
Motorised laying vehicle for road- or path-surfacings Download PDFInfo
- Publication number
- EP0467255B1 EP0467255B1 EP91111728A EP91111728A EP0467255B1 EP 0467255 B1 EP0467255 B1 EP 0467255B1 EP 91111728 A EP91111728 A EP 91111728A EP 91111728 A EP91111728 A EP 91111728A EP 0467255 B1 EP0467255 B1 EP 0467255B1
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- Prior art keywords
- vehicle according
- vehicle
- laying
- laying vehicle
- storage bin
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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
- E01C19/46—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 preparing and placing the materials, e.g. slurry seals
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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
- E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
- E01C2301/40—Working platform or walkway
Definitions
- the invention relates to a motor-driven laying vehicle that can be steered from a driver's cab for roadway or path coverings in cold-mixed asphalt pavement construction, consisting of a plurality of storage containers arranged on the vehicle chassis for a bitumen emulsion, for mineral chippings, consisting of a crushed sand-chipping mixture, for water. for cement and for additives or wetting agents as well as mixing and transport devices for producing the mixture and transporting it to a distribution and feed box.
- Laying vehicles of this type are known and they are used to produce a highly wear-resistant flexible support on an existing, but worn out and therefore in need of renovation pavement. This is done in the generic as well as in the laying vehicle according to the invention by means of the so-called cold-mixed asphalt pavement construction based on road construction bitumen B 80, to which some essential components are admixed in addition to mineral chippings (a crushed sand and splinter mixture). The mixture is continuously produced on the vehicle during the laying and is fed to a distribution and laying device attached to the rear of the vehicle.
- the known laying vehicles hold 15 to 25 t of covering material, with a vehicle weight of approx. 32 to 56 t, which is sufficient for a covering area of approx. 700 m2 with a medium covering thickness. These vehicles have a width of 2.20 m to 3.00 m and a length of 11 to 16 m.
- the known vehicles are loaded either at a storage location or in the stand of trucks and tankers.
- the laying vehicles corresponding to the generic type described above can produce road surfaces with a width of 1.50 to 4.00 m. However, they are unsuitable for the production of roadway or path coverings for bicycle or footpaths in widths of approximately 0.60 to 2.00 m because they are too wide and too heavy. Overall, these paths or lanes are not as well paved as vehicle traffic roads and generally have a bituminous lane layer of 30 to 60 mm thick. For this reason, too, they cannot be driven on by the well-known heavy laying vehicles, even if there is enough space on both sides of the actual route, because the axle load of these vehicles is far too high for the weak or remounted edge surfaces on both sides.
- the object of the invention is derived to create a small, narrow compact laying vehicle for narrower roadways or bicycle or footpaths, by means of which a highly wear-resistant flexible covering can be applied in a manner similar to that described.
- the vehicle according to EP-A 0 132 202 could not fulfill the object on which the invention is based in any respect. It is a very difficult one Wide vehicle, whose total weight (without filling goods) is approx. 26 t and which can hold 30 tonnes of filling material, so that the working weight increases up to 56 t. With a width of 2.50 m and a length of 11 m (18 m in total), a laying vehicle of this type of training is not suitable for the special task selected here.
- the inventors had to develop the claimed new spatial arrangement concept from scratch without a model in order to coordinate the numerous individual components according to their functions in a compact spatial and space-saving manner - nested together so to speak - to save space and weight, and also to consider operational safety and ease Consider manageability.
- the claimed functional allocation and design of the individual interacting units is optimally solved in the smallest of spaces, which only creates the prerequisite for using the light vehicle to lay lighter coverings on narrow paths and routes with often soft, unpaved edge areas.
- the driver's cab takes up about a third of the vehicle width and the front section houses a bucket bucket conveyor in the middle and a rigidly attached container for 2000 1 additives on the side.
- the bucket bucket conveyor is used to supplement the storage container from a towed vehicle while traveling for granulate, which holds ten cubic meters of material.
- On both sides of the granulate container is an emulsion and a water tank arranged.
- Another container near the end of the vehicle and occupying its full width contains the cement, which is then fed to the mixing device together with the granules via a combination of a cross feed and metering device; an endless belt conveyor is provided for this, in which faults and lateral folding down of the goods are to be expected.
- the entire container and conveyor mechanism is very extensive and complex; the vehicle requires six differently designed and functioning conveyor devices; A correct temporal quantification of the individual delivery and allotment quantities of these six aggregates to achieve an absolutely homogeneous composition of the covering material should face considerable difficulties.
- the storage containers for the bitumen emulsion and the water arranged behind the driver's cab can each take up about half the width of the vehicle and can be easily removed and exchangeably arranged on the side. With this arrangement, these two containers can be lifted up and replaced if necessary using a light lifting device. This can be of great importance in the storage container for the bitumen emulsion if there is a special color on certain path sections or for a certain route is required. In a modified design, this interchangeability can also be created in that the storage containers for the bitumen emulsion and the water arranged behind the driver's cab are arranged in stacked cassette-like inserts which are open on one or both sides and are easily removable and replaceable from these.
- the screw conveyor is remotely controlled driven variable speed. It is further provided that the transport trough is trough-shaped and cylindrical section-shaped in the bottom area, the radius of the cylinder section corresponding to that of the transport screw spindle arranged inside the same.
- the storage container for the mineral chippings is arranged separately from the trough-shaped transport trough and above it.
- the storage container has a slot-like outlet opening, and it is advantageous if the longitudinal slot-like outlet opening of the storage container for the mineral chips is remotely variable in cross-section.
- the components required to produce the mixture of the support material are fed to the above-mentioned mixing device by means of lines in a metered amount.
- the mixing device is parallel in a manner known per se arranged, counter-rotating kneading screw spindles, and these are remotely controlled, variable speed and reversible driven.
- the laying vehicle according to the invention By means of the laying vehicle according to the invention, it is possible to produce such coverings in a width between 0.50 to 2.00 m, and this is made possible by the fact that the outlet slot of the distribution and feed box, which can be connected and exchanged with the rear of the vehicle, has a slot width between 0 , 50 and 2.00 m. Accordingly, the laying vehicle according to the invention is kept relatively small and narrow and has a very compact overall structure, the vehicle having a greatest width between 1.20 and 1.60 m and a greatest length between 5.00 and 6.50 m. This means that covering thicknesses between 3.0 and 20.0 mm can be laid.
- Essential features of the invention also consist in the fact that the storage containers for the bitumen emulsion and the additives or wetting agents are provided with quick-release closures to the feed lines to the mixing device for rapid change of containers and also that the storage containers for the bitumen emulsion, for the mineral chippings, for Water, for cement and for the additives or wetting agents are provided with filler necks which can be connected to flexible feed lines of larger cross-sections by means of quick-release fasteners, which means that these substances or media can be fed in during the laying process by tank vehicles moving sideways.
- the vehicle is labeled 1, its chassis 2, the driver's cab 4 and the wheel axles or wheels 3.
- a reservoir 11 for the bitumen emulsion and 12 for the required water are arranged on the chassis 2 behind the driver's cab 4.
- a storage container 13 for mineral chippings In the middle part of the chassis 2 there is a storage container 13 for mineral chippings and underneath this a transport device T for the mixture formed from the emulusion and the chippings and water, which consists of a transport trough 15 and a motor-driven transport screw spindle 16 arranged longitudinally therein.
- the transport device T and the storage container 13 can also be in two parts, the latter being able to be provided with an elongated slot-like outlet opening 14, as can be seen from FIGS. 9 and 10.
- the transport device 13 serves to convey the mixture consisting of the bitumen emulsion, water and the mineral chippings via a feed 21 into a special mixing device M likewise fastened to the chassis 2.
- the material mixture created in the transport device T is conveyed there in the direction of the rear of the vehicle and arrives in the feed 21 to the actual mixing device M.
- other material components are mixed in beforehand via the feed shaft 20, namely cement from the storage containers 19 and a mixture of water and wetting agents or additives from the container 17, which is pumped for mixing into the mixing container 18, from which it then reaches the feeder 21 to the mixing device M by means of a feed pump (not shown) with a special hydraulic power drive.
- This consists essentially of two parallel, interlocking, counter-rotating kneading screw spindles 22, which are mounted in a housing.
- the kneading process consists of the various components, the mineral chippings, the bitumen emulsion, the water and cement admixture and the addition of wetting agents and other additives, a slurry-like mass is produced which, from the mixing device M, via the feed chute 23, the distribution and feed box 24, which is connected to the rear of the vehicle by traction means 25, is dragged and has a slot (29) with a width b of between 0.6 for the exit of the material and can have 2.00 m.
- the distribution and feed box 24 is held up by means of the pulling means 25 on a crane-like suspension device 26.
Abstract
Description
Die Erfindung betrifft ein motorgetriebenes, von einem Führerhaus aus lenkbares Verlegefahrzeug für Fahrbahn- oder Wege-Beläge in kaltgemischter Asphaltdeckenbauweise, bestehend aus mehreren auf dem Fahrzeug-Chassis angeordneten Vorratsbehältern für eine Bitumenemulsion, für Mineralsplitt, bestehend aus einem Brechsand-Splittgemisch, für Wasser, für Zement und für Additive bzw. Netzmittel sowie Misch- und Transportvorrichtungen zur Herstellung des Gemischs und dessen Transport zu einem Verteil- und Aufgabekasten.The invention relates to a motor-driven laying vehicle that can be steered from a driver's cab for roadway or path coverings in cold-mixed asphalt pavement construction, consisting of a plurality of storage containers arranged on the vehicle chassis for a bitumen emulsion, for mineral chippings, consisting of a crushed sand-chipping mixture, for water. for cement and for additives or wetting agents as well as mixing and transport devices for producing the mixture and transporting it to a distribution and feed box.
Derartige Verlegefahrzeuge sind bekannt und sie dienen dazu, auf einem vorhandenen, jedoch verschlissenen und daher sanierungsbedürftigen Fahrbahnbelag eine hochverschleißfeste flexible Auflage herzustellen. Dies geschieht bei dem gattungsgemäßen wie auch bei dem erfindungsgemäßen Verlegefahrzeug mittels der sogenannten kaltgemischten Asphaltdeckenbauweise auf der Basis von Straßenbaubitumen B 80, dem außer Mineralsplitt (einem Brechsand-Splittergemisch) einige wesentliche Komponenten beigemischt werden. Die Mischung wird auf dem Fahrzeug während des Verlegens kontinuierlich hergestellt und einem an dem Fahrzeugheck angehängten Verteil-und Verlegegerät zugeführt.Laying vehicles of this type are known and they are used to produce a highly wear-resistant flexible support on an existing, but worn out and therefore in need of renovation pavement. This is done in the generic as well as in the laying vehicle according to the invention by means of the so-called cold-mixed asphalt pavement construction based on road construction bitumen B 80, to which some essential components are admixed in addition to mineral chippings (a crushed sand and splinter mixture). The mixture is continuously produced on the vehicle during the laying and is fed to a distribution and laying device attached to the rear of the vehicle.
Die bekannten Verlegefahrzeuge fassen 15 bis 25 t Belagmaterial, bei einem Fahrzeuggewicht von ca. 32 bis 56 t, was für eine Belagfläche von ca. 700 m² bei mittlerer Belagdicke ausreicht. Diese Fahrzeuge weisen eine Breite von 2,20 m bis 3.00 m znd eine Länge von 11 bis 16 m auf. Die Beschickung der bekannten Fahrzeuge erfolgt entweder an einem Lagerplatz oder aber im Stand vom Lkws und Tankwagen.The known laying vehicles hold 15 to 25 t of covering material, with a vehicle weight of approx. 32 to 56 t, which is sufficient for a covering area of approx. 700 m² with a medium covering thickness. These vehicles have a width of 2.20 m to 3.00 m and a length of 11 to 16 m. The known vehicles are loaded either at a storage location or in the stand of trucks and tankers.
Die Verlegefahrzeuge entsprechend der vorstehend geschilderten gattungsgemäßen Bauart können Fahrbahnbeläge in einer Breite von 1,50 bis 4,00 m herstellen. Sie sind jedoch zur Herstellung von Fahrbahn- oder Wege-Belägen für Fahrrad-oder Fußwege in Breiten von ca. 0,60 bis 2,00 m ungeeignet, weil zu breit und zu schwer. Diese Gewege oder Fahrbahnen sind insgesamt nicht so gut befestigt wie Fahrzeug-Verkehrsstraßen und weisen in der Regel eine bituminöse Fahrbahnschicht von 30 bis 60 mm Dicke auf. Auch aus diesem Grunde können sie von den bekannten schweren Verlegefahrzeugen nicht befahren werden, auch wenn beidseits der eigentlichen Trasse genügend Platz vorhanden ist, weil die Achslast dieser Fahrzeuge für die schwach oder umbefestigten beiderseitigen Randflächen viel zu hoch ist.The laying vehicles corresponding to the generic type described above can produce road surfaces with a width of 1.50 to 4.00 m. However, they are unsuitable for the production of roadway or path coverings for bicycle or footpaths in widths of approximately 0.60 to 2.00 m because they are too wide and too heavy. Overall, these paths or lanes are not as well paved as vehicle traffic roads and generally have a bituminous lane layer of 30 to 60 mm thick. For this reason, too, they cannot be driven on by the well-known heavy laying vehicles, even if there is enough space on both sides of the actual route, because the axle load of these vehicles is far too high for the weak or remounted edge surfaces on both sides.
Aus diesen Gegebenheiten leitet sich die Aufgabe der Erfindung dahingehend ab, ein kleines, schmales Kompakt-Verlegefahrzeug für schmälere Fahrbahnen bzw. Fahrrad- oder Fußwege zu schaffen, mittels welchem in ähnlicher Weise wie beschriben, ein hochverschleißfester flexibler Belag aufgebracht werden kann.From these circumstances, the object of the invention is derived to create a small, narrow compact laying vehicle for narrower roadways or bicycle or footpaths, by means of which a highly wear-resistant flexible covering can be applied in a manner similar to that described.
Das erfindungsgemässe Verlegefahrzeug verfügt über mehrere auf dem Fahrzeug-Chassis angeordnete Vorratsbehälter für eine Bitumenemulsion, für Mineralsplitt, für Wasser, für Zement und für Additive bzw. Netzmittel sowie Misch-und Transportvorrichtungen zur Herstellung des Gemischs und dessen Transport zu einem Verteil-und Aufgabekasten, und dabei ferner aus
- einer Anordnung des Bitumenemulsions-Vorratsbehälters unmittelbar hinter dem Führerhaus,
- einer Anordnung des Wasservorratsbehälters unmittelbar hinter dem Führerhaus,
- im mittleren Teil des Chassis unmittelbar hinter dem Bitumenemulsion-Vorratsbehälter und dem Wasservorratsbehälter angeordnetem Vorratsbehälter für Mineralsplitt, welcher zumindest im oberen Bereich der Einfüllöffnung nahezu die gesamte Fahrzeugbreite einnimmt,
- einer unterhalb des Vorratsbehälters für Mineralssplitt angeordneten, längs des Chassis verlaufenden Transportvorrichtung, bestehend aus einer Transportrinne mit darin längsverlaufender, motorgetriebener Transportschneckenspindel,
- einer Anordnung der Mischvorrichtung, bestehend aus zwei parallel angeordneten, in einem Gehäuse gelagerten, ineinander greifenden Knetschneckenspindeln im Bereich des Austritts der Transportvorrichtung und mit diesem verbunden, sowie mit einer nach unten gerichteten Austrittsöffnung versehen,
- der Anordnung wenigstens je eines Vorratsbehälters für Zement oberhalb der Zuführung zur Mischvorrichtung und für Additive bzw. Netzmittel oberhalb der Transportvorrichtung und seitlich unterhalb des Vorratsbehälters für Mineralsplitt,
- in die Mischvorrichtung mündende, jeweils mit Dosiervorrichtungen versehene Zuleitungen für Bitumenemulsion, Wasser, Zement, Additive bzw. Netzmittel,
- einem am Fahrzeugheck angebrachten Steuerstand für eine oder zwei Bedienungspersonen mit an einem Steuer-Tableau angeordneten Steuer- und Dosierschaltern für die elektro-hydraulisch betätigbaren Dosiervorrichtungen und
- einem im Bereich des Fahrzeughecks anschliessend an die an der Austrittsöffnung angeordneten Aufgabeschurre der Mischvorrichtung mit dem Fahrzeug mittels Zugmitteln verbundenen, auf der zu belegenden Trasse liegend nachgeschleppten Verteil- und Aufgabekasten, der einen waagrechten Austrittsschlitz für den aufzulegenden Belag aufweist.
- an arrangement of the bitumen emulsion storage container directly behind the driver's cab,
- an arrangement of the water reservoir directly behind the driver's cab,
- in the middle part of the chassis, directly behind the bitumen emulsion storage container and the water storage container, there is a storage container for mineral chippings, which takes up almost the entire width of the vehicle, at least in the upper area of the filling opening,
- a transport device arranged below the storage container for mineral chippings and running along the chassis, consisting of a transport trough with a motor-driven transport screw spindle running longitudinally therein,
- an arrangement of the mixing device, consisting of two kneading screw spindles which are arranged in a housing and are connected to one another in the area of the outlet of the transport device and are connected to it, and are provided with a downwardly directed outlet opening,
- the arrangement of at least one storage container for cement above the feed to the mixing device and for additives or wetting agents above the transport device and laterally below the storage container for mineral chippings,
- feed lines for bitumen emulsion, water, cement, additives or wetting agents opening into the mixing device, each provided with metering devices,
- a control stand attached to the rear of the vehicle for one or two operators with control and metering switches for the electro-hydraulically actuated metering devices and arranged on a control panel
- a in the area of the rear of the vehicle connected to the feed chute at the outlet opening of the mixing device connected to the vehicle by means of traction means and dragged along lying on the route to be occupied, which has a horizontal outlet slot for the covering to be placed.
Wenn auch mit diesem Fahrzeug ein an sich bekannter Fahrbahn-Oberbelag in einer ebenfalls bekannten Technologie hergestellt und auf die vorhandene Fahrbahn aufgebracht wird, so liegt bei dem Fahrzeug mit den beanspruchten Merkmalen insoweit eine Neuschöpfung vor, als es sich um ein in besonders vorteilhafter Anordnungs- und Ausbildungsweise geschaffenes neues Gerät handelt, welchem eine bis dahin außerhalb des Blickfeldes der Fachwelt gelegenes Nutzungs- und Anwendungsgebiet erschlossen wird.Even if this vehicle is used to produce a road surface covering, which is known per se, in a likewise known technology and is applied to the existing roadway, the vehicle with the claimed features has been newly created insofar as it is a particularly advantageous arrangement. and the new device created in the form of training, which opens up until then a field of use and application that is outside the field of view of the professional world.
Demgegenüber konnte das Fahrzeug nach der EP-A 0 132 202 die der Erfindung zugrundeliegende Aufgabe in keiner Hinsicht erfüllen. Es handelt sich um ein sehr schweres breites Fahrzeug, dessen Gesamtgewicht (ohne Füllgut) ca. 26 t beträgt und welches Füllgutmengen von 30 t aufnehmen kann, so dass das Arbeitsgewicht bis 56 t ansteigt. Bei einer Breite von 2,50 m und einer Länge von 11 m (insgesamt 18 m) kommt ein Verlegefahrzeug dieser Ausbildungsweise für die hier ausgewählte spezielle Aufgabe nicht in Betracht.In contrast, the vehicle according to EP-A 0 132 202 could not fulfill the object on which the invention is based in any respect. It is a very difficult one Wide vehicle, whose total weight (without filling goods) is approx. 26 t and which can hold 30 tonnes of filling material, so that the working weight increases up to 56 t. With a width of 2.50 m and a length of 11 m (18 m in total), a laying vehicle of this type of training is not suitable for the special task selected here.
Die Erfinder mussten die beanspruchte neuartige räumliche Anordnungskonzeption ohne ein Vorbild von Grund auf entwickeln, um die zahlreichen Einzelkomponenten ihren Funktionen entsprechend miteinander abgestimmt in enger räumlicher Zusammenschau kompakt und platz- und gewichtssparend - sozusagen zusammengeschachtelt - einander zuordnen und dabei auch Gesichtspunkte der Betriebssicherheit und der leichten Handhabbarkeit berücksichtigen.The inventors had to develop the claimed new spatial arrangement concept from scratch without a model in order to coordinate the numerous individual components according to their functions in a compact spatial and space-saving manner - nested together so to speak - to save space and weight, and also to consider operational safety and ease Consider manageability.
Die beanspruchte funktionale Zuordnungs- und Ausbildungsweise der einzelnen zusammenwirkenden Aggregate ist optimal auf kleinstem Raum gelöst, womit erst die Voraussetzung für den Einsatz des leichten Fahrzeugs zum Verlegen leichterer Beläge auf schmalen Wegen und Trassen mit häufig weichen, unbefestigten Randbereichen geschaffen wird.The claimed functional allocation and design of the individual interacting units is optimally solved in the smallest of spaces, which only creates the prerequisite for using the light vehicle to lay lighter coverings on narrow paths and routes with often soft, unpaved edge areas.
Bei der sehr breiten bekannten Ausführung mimmt das Führerhaus etwa ein Drittel der Fahrzeugbreite ein und die Frontpartie nimmt mittig einen Eimerbecherförderer und seitlich einen starr angebrachten Behälter für 2000 1 Additive auf. Der Eimerbecherförderer dient zur Ergänzung des Vorratsbehälters aus einem mitgeführten Schleppfahrzeug während der Fahrt für Granulat, welcher zehn Kubikmeter Material fasst. Beidseitig des Granulatbehälters jeweils ist ein Emulsions- und ein Wasserbehälter angeordnet. Ein anderer Behälter nahe am Ende des Fahrzeugs und dessen volle Breite einnehmend enthält den Zement, der dann über eine Kombination einer Querzuführungs- und Dosierungsvorrichtung der Mischvorrichtung zusammen mit dem Granulat zugeführt wird; dafür ist ein Endlos-Bandförderer vorgesehen, bei dem mit Störungen und seitlichem Herunterfalten des Gutes zu rechnen ist.In the very wide known version, the driver's cab takes up about a third of the vehicle width and the front section houses a bucket bucket conveyor in the middle and a rigidly attached container for 2000 1 additives on the side. The bucket bucket conveyor is used to supplement the storage container from a towed vehicle while traveling for granulate, which holds ten cubic meters of material. On both sides of the granulate container is an emulsion and a water tank arranged. Another container near the end of the vehicle and occupying its full width contains the cement, which is then fed to the mixing device together with the granules via a combination of a cross feed and metering device; an endless belt conveyor is provided for this, in which faults and lateral folding down of the goods are to be expected.
Der gesamte Behälter- und Förder-Mechanismus ist sehr umfangreich und aufwendig; das Fahrzeug benötigt sechs unterschiedlich konzipierte und funktionierende Fördervorrichtungen; eine einwandfreie zeitliche Quantifizierung der einzelnen Förder- und Zuteilmengen dieser sechs Aggregate zur Erreichung einer absolust homogenen Zusammensetzung des Belagmaterials dürfte erheblichen Schwierigkeiten begegnen.The entire container and conveyor mechanism is very extensive and complex; the vehicle requires six differently designed and functioning conveyor devices; A correct temporal quantification of the individual delivery and allotment quantities of these six aggregates to achieve an absolutely homogeneous composition of the covering material should face considerable difficulties.
Aus den vorgenannten Gründen konnte das bekannte Fahrzeug - wie auch anderer bekannte Fahrzeuge vom weitgehend übereinstimmender Bauart - keine Anregung zur Schaffung des Fahrzeugs nach der Erfindung vermitteln.For the aforementioned reasons, the known vehicle - like other known vehicles of largely identical design - was unable to provide any suggestion for creating the vehicle according to the invention.
In vorteilhafter Weise können die hinter dem Führerhaus angeordneten Vorratsbehälter für die Bitumenemulsion und das Wasser jeweils etwa die Hälfte der Fahrzeugbreite einnehmen und leicht abnehmbar und austauschbar seitlich benachbart angeordnet werden. Durch diese Anordnungsweise können diese beiden Behälter im Bedarfsfalle mittels eines leichten Hebezeuges nach oben abgehoben und ausgetauscht werden. Dies kann bei dem Vorratsbehälter für die Bitumenemulsion dann von großer Bedeutung sein, wenn auf bestimmten Wegabschnitten oder für eine bestimmte Trasse eine besondere Farbgebung verlangt wird. In abgewandelter Bauweise kann diese Auswechselbarkeit auch dadurch geschaffen werden, daß die hinter dem Führerhaus angeordneten Vorratsbehälter für die Bitumenemulsion und das Wasser in Übereinanderliegenden kassettenartigen, ein- oder beidseitig offenen Einschüben angeordnet und aus diesen leicht entnehmbar und austauschbar sind.Advantageously, the storage containers for the bitumen emulsion and the water arranged behind the driver's cab can each take up about half the width of the vehicle and can be easily removed and exchangeably arranged on the side. With this arrangement, these two containers can be lifted up and replaced if necessary using a light lifting device. This can be of great importance in the storage container for the bitumen emulsion if there is a special color on certain path sections or for a certain route is required. In a modified design, this interchangeability can also be created in that the storage containers for the bitumen emulsion and the water arranged behind the driver's cab are arranged in stacked cassette-like inserts which are open on one or both sides and are easily removable and replaceable from these.
Bei diesem Gerät sind mehrere Vorkehrungen bzw. Vorrichtungen je nachdem pro Zeiteinheit vorgesehenen Fahrbahn-Flächengewicht für die herzustellende Schicht erforderlich, um die zu verarbeitende und zu mischende Materialmenge zu dosieren. Daher kann nach weiteren Merkmalen der Erfindung vorgesehen sein, daß die Transportschneckenspindel fernsteuerbar drehzahlveränderlich angetrieben ist. Dabei ist weiterhin vorgesehen, daß die Transportrinne muldenförmig und im Bodenbereich zylinderabschnittsförmig gestaltet ist, wobei der Radius des Zylinderahschnitts dem der innerhalb desselben angeordneten Transportschneckenspindel entspricht.With this device, several precautions or devices, depending on the surface weight per unit of time provided for the layer to be produced, are required in order to meter the amount of material to be processed and mixed. Therefore, it can be provided according to further features of the invention that the screw conveyor is remotely controlled driven variable speed. It is further provided that the transport trough is trough-shaped and cylindrical section-shaped in the bottom area, the radius of the cylinder section corresponding to that of the transport screw spindle arranged inside the same.
In einer abgewandelten Ausführung kann weiterhin vorgesehen sein, daß der Vorratsbehälter für den Mineralsplitt getrennt von der muldenförmigen Transportrinne und oberhalb derselben angeordnet ist. Der Vorratsbehälter weist eine schlitzartige Austrittsöffnung auf, und es ist dabei vorteilhaft, wenn die längsschlitzartige Austrittsöffnung des Vorratbehälters für den Mineralsplitt fernbetätigbar querschnittsveränderlich ist.In a modified embodiment it can further be provided that the storage container for the mineral chippings is arranged separately from the trough-shaped transport trough and above it. The storage container has a slot-like outlet opening, and it is advantageous if the longitudinal slot-like outlet opening of the storage container for the mineral chips is remotely variable in cross-section.
Die zur Herstellung der Mischung des Auflagematerials erforderlichen Komponenten werden der erwähnten Mischvorrichtung mittels Leitungen im jeweils dosierter Menge zugeführt. Die Mischvorrichtung ist in an sich bekannter Weise mit parallel angeordneten, gegensinnig laufenden Knetschneckenspindeln ausgerüstet, und diese sind fernsteuerbar drehzahlveränderlich und drehrichtungsumkehrbar angetrieben.The components required to produce the mixture of the support material are fed to the above-mentioned mixing device by means of lines in a metered amount. The mixing device is parallel in a manner known per se arranged, counter-rotating kneading screw spindles, and these are remotely controlled, variable speed and reversible driven.
Mittels des erfindungsgemäßen Verlegefahrzeuges ist es möglich, derartige Beläge in einer Breite zwischen 0,50 bis 2,00 m herzustellen, und zwar wird dies ermöglicht dadurch, daß der Austrittsschlitz des mit dem Fahrzeugheck verbind-und austauschbaren Verteil- und Aufgabekastens eine Schlitzbreite zwischen 0,50 und 2,00 m aufweist. Dementsprechend ist das Verlegefahrzeug nach der Erfindung relativ klein und schmal gehalten und weist einen sehr kompakten Gesamtaufbau auf, wobei das Fahrzeug eine größte Breite zwischen 1,20 und 1,60 m und eine größte Länge zwischen 5,00 und 6,50 m besitzt. Damit können Belagdicken zwischen 3,0 und 20,0 mm verlegt werden.By means of the laying vehicle according to the invention, it is possible to produce such coverings in a width between 0.50 to 2.00 m, and this is made possible by the fact that the outlet slot of the distribution and feed box, which can be connected and exchanged with the rear of the vehicle, has a slot width between 0 , 50 and 2.00 m. Accordingly, the laying vehicle according to the invention is kept relatively small and narrow and has a very compact overall structure, the vehicle having a greatest width between 1.20 and 1.60 m and a greatest length between 5.00 and 6.50 m. This means that covering thicknesses between 3.0 and 20.0 mm can be laid.
Wesentliche Merkmale der Erfindung bestehen auch noch darin, daß die Vorratsbehälter für die Bitumenemulsion und die Additive bzw. Netzmittel mit Schnellverchlüssen zu den Zuleitungen zur Mischvorrichtung zum raschen Betälterwechsel versehen sind und ferner auch noch, daß die Vorratsbehälter für die Bitumenemulsion, für den Mineralsplitt, für Wasser, für Zement und für die Additive bzw. Netzmittel mit Einfüllstutzen versehen sind, die mittels Schnellverschlüssen mit flexiblen Zuleitungen größerer Querschnitte verbindbar sind, wodurch ein Einspeisen dieser Stoffe bzw. Medien während des laufenden Verlegevorganges durch seitlich mit fahrende Tankfahrzeuge durchführbar ist.Essential features of the invention also consist in the fact that the storage containers for the bitumen emulsion and the additives or wetting agents are provided with quick-release closures to the feed lines to the mixing device for rapid change of containers and also that the storage containers for the bitumen emulsion, for the mineral chippings, for Water, for cement and for the additives or wetting agents are provided with filler necks which can be connected to flexible feed lines of larger cross-sections by means of quick-release fasteners, which means that these substances or media can be fed in during the laying process by tank vehicles moving sideways.
Weitere Merkmale und Besonderheiten der Erfindung sind aus dem im der Zeichnung schematisch dargestellten Ausführungsbeispiel zu entnehmen, welches im folgenden näher erläutert ist.Further features and special features of the invention are derived from the exemplary embodiment shown schematically in the drawing can be seen, which is explained in more detail below.
Es zeigen
- Fig. 1
- eine Seitenansicht des Fahrzeuges ohne Verkleidungen,
- Fig. 2
- eine Draufsicht auf das Fahrzeug ohne Verkleidungen,
- Fig. 3
- einen vertikalen Längsschnitt A-A' durch das Fahrzeug,
- Fig. 4
- einen horizontalen Längsschnitt B-B' durch das Fahrzeug,
- Fig. 5
- einen horizontalen Längsschnitt C-C' durch das Fahrzeug,
- Fig. 6
- einen anderen vertikalen Querschnitt D-D' durch das Fahrzeug,
- Fig. 7
- einen weiteren vertikalen Querschnitt E-E' durch das Fahrzeug,
- Fig. 8
- eine Ansicht des Verteil- und Aufgabekastens.
- Fig. 9
- einen Längsschnitt nach Fig. 4 in abgewandelter Ausführung,
- Fig. 10
- einen Längsschnitt nach Fig. 3 in abgewandelter Ausführung
- Fig. 1
- a side view of the vehicle without panels,
- Fig. 2
- a top view of the vehicle without panels,
- Fig. 3
- a vertical longitudinal section AA 'through the vehicle,
- Fig. 4
- a horizontal longitudinal section BB 'through the vehicle,
- Fig. 5
- a horizontal longitudinal section CC 'through the vehicle,
- Fig. 6
- another vertical cross section DD 'through the vehicle,
- Fig. 7
- another vertical cross section EE 'through the vehicle,
- Fig. 8
- a view of the distribution and posting box.
- Fig. 9
- 4 in a modified version,
- Fig. 10
- a longitudinal section of FIG. 3 in a modified version
In den Zeichnungsfiguren sind das Fahrzeug mit 1, sein Chassis mit 2, das Führerhaus mit 4 und die Radachsen bzw. Räder mit 3 bezeichnet. Außer dem Antriebsmotor 5 und einer hydraulischen Krafterzeugungsanlage 6 sind auf dem Chassis 2 hinter dem Führerhaus 4 nebeneinander je ein Vorratsbehälter 11 für die Bitumenemulsion und 12 für das erforderliche Wasser angeordnet.In the drawing figures, the vehicle is labeled 1, its
Im mittleren Teil des Chassis 2 sind ein Vorratsbehälter 13 für Mineralsplitt und unter diesem eine Transportvorrichtung T für das aus der Emulusion und dem Splitt und Wasser gebildete Gemisch angeordnet, welche aus einer Transportrinne 15 und einer in dieser längsverlaufend angeordneten motorgetriebenen Transportschneckenspindel 16 besteht. Die Transportvorrichtung T und der Vorratsbehälter 13 können auch zweiteilig sein, wobei der letztere mit einer länsschlitzartigen nach unten offenen Austrittsöffnung 14 versehen sein kann, wie aus den Fig. 9 und 10 ersichtlich ist. Die Transportvorrichtung 13 dient dazu, die erwähnte aus der Bitumenemulsion, Wasser und dem Mineralsplitt bestehende Mischung über eine Zuführung 21 in eine ebenfalls am Chassis 2 befestigte besondere Mischvorrichtung M zu fördern.In the middle part of the
Mit 7 sind Dosiervorrichtungen für die verschiedenen Mischungsbestandteile bezeichnet, welche von einem Steuer-Tableau 28 aus fernbetätigbar sind, und mit 8 sind die hierzu erforderlichen Zuleitungen bezeichnet. Die Energieversorgung für die Antriebe der Transportvorrichtung T und der Mischvorrichtung M sowie die Förderpumpen erfolgt durch die hydraulische Krafterzeugungsanlage 6.7 designates dosing devices for the various components of the mixture, which can be operated remotely from a
Das in der Transportvorrichtung T entstehende Materialgemenge wird dort in Richtung zum Fahrreugheck gefördert und gelangt in die Zuführung 21 zur eigentlichen Mischvorrichtung M. Es werden jedoch zuvor noch weitere Materialbestandteile über den Zuführungsschacht 20 zugemischt, und zwar Zement aus den Vorratsbehältern 19 sowie eine Gemisch aus Wasser und Netzmitteln bzw. Additiven aus dem Behälter 17, welches zum Mischen in den Mischbehälter 18 gepumpt wird, aus welchem es dann feindosiert mittels einer nicht dargestellten Förderpumpe mit besonderem hydraulischem Kraftantrieb in die Zuführung 21 zur Mischvorrichtung M gelangt.The material mixture created in the transport device T is conveyed there in the direction of the rear of the vehicle and arrives in the
Diese besteht im wesentlichen aus zwei parallel angeordneten, in einem Gehäuse gelagerten, ineinandergreifenden, gegenläufig angetriebenen Knetschneckenspindeln 22. In der Mischvorrichtung wird durch den Knetvorgang aus den verschiedenen Bestandteilen, dem Mineralsplitt, der Bitumenemulsion, der Wasser- und Zementzumischung und der Beifügung von Netzmitteln und sonstigen Additiven eine breiartige Masse hergestellt, die aus der Mischvorrichtung M über die Aufgabeschurre 23 dem mit dem Fahrzeugheck durch Zugmittel 25 verbundenen, nachgeschleppten Verteil- und Aufgabekasten 24, der zum Austreten des Materials einen Schlitz (29) von einer Breite b zwischen 0,6 und 2,00 m aufweisen kann.This consists essentially of two parallel, interlocking, counter-rotating kneading
Wenn das Fahrzeug nicht in aktivem Einsatz ist, wird der Verteil- und Aufgabekasten 24 mit Hilfe der Zugmittel 25 an einer kranartigen Aufhängevorrichtung 26 hochgezogen gehalten.
Claims (12)
- Motorised laying vehicle (1) for road- or path surfacings in cold-mixed bitumen layer construction that can be steered from a driver's cabin (4), comprisingA. Several storage bins, arranged on the chassis (2), for bituminous emulsion (11), mineral grit (13), water (12), cement (19) and for additives or wetting agents (17) as well as mixers and conveyors (M, T) to produce the mix and to transport it to a distributing and charging box (24) as well asB. Arrangement of the storage bin (11) for bituminous emulsion directly after the driver's cabin (4),C. Arrangement of the water storage bin (12) directly after the driver's cabin (4),D. Storage bin (13) for mineral grit, arranged in the central section of the chassis (2), directly after the storage bin (11) for bituminous emulsion and the water storage bin (12), extending, at least in the upper area of the feed aperture, almost over the entire width (B) of the vehicle.E. Conveyor (T), arranged below the storage bin (13) for mineral grit and running along the chassis (2), comprising a conveyor channel (15) with internal, longitudinally arranged and motorised screw conveyor spindle (16),F. Arrangement of the mixer (M), comprising at least two parallelled kneading screw spindles (22), lodged in a single case, meshing, driven in counter-rotation and linked to said case in the area of the outlet (30) of the conveyor (T), as well as provided with an inclined feeding chute (23),G. Arrangement of at least one storage bin each for cement (19), above the feeding section (21) towards the mixer (M), and for additives or wetting agents (17), above the conveyor (T) and below the storage bin for mineral grit (13),H. Supply pipes (8) for bituminous emulsion, water, cement, additives or wetting agents, discharging into the mixer (M), each such pipe fitted with dosing equipment (7),I. Control stand (10) for one or two operators, fitted at the rear of the vehicle, comprising the control- and dosing switches, arranged on a control panel (28), for the electro-hydraulically operable dosing equipment (7),K. Distributing and charging box (24) with horizontal outlet slot (29) for the topping to be made, lying on the lane to be covered and being trailed, linked to the vehicle (1) using traction elements (25) within the rear area of the vehicle, following the feeding chute (23) of the mixer (M), at the outlet aperture.
- Laying vehicle according to claim 1,
characterized in
that each of the storage bins for the bituminous emulsion (11) and the water (12), arranged after the driver's cabin (4), occupies approximately half the width of the vehicle (B), that they have been arranged laterally adjacent and that they are easily removable and interchangeable. - Laying vehicle according to claim 1,
characterized in
that the storage bins for the bituminous emulsion (11) and the water (12), located after the driver's cabin (4), have been arranged in superimposed case-like racks, open at one or both sides, from which they can easily be removed and interchanged. - Laying vehicle according to claim 1,
characterized in
that the conveyor (T) and the storage bin for mineral grit (13) are bipartite, the latter showing a downwardly open outlet aperture (14) which can be remote-controlled to change its cross section. - Laying vehicle according to claim 1,
characterized in
that the conveyor channel (15) has the shape of a trough and, in the bottom area, it has been designed as a cylinder segment of which the radius corresponds to that of the screw conveyor spindle (16) arranged within this segment. - Laying vehicle according to claim 1 and/or 5,
characterized in
that the drive of the screw conveyor spindle (16) can be remote-controlled to change its speed. - Laying vehicle according to claim 1,
characterized in
that the kneading screw spindles (22) of the mixer (M) are driven under remote control to change their speed and their sense of rotation. - Laying vehicle according to claim 1,
characterized in
that the outlet of the distributing and charging box (24) that can be linked to the rear of the vehicle and interchanged has a slot width from 0,50 to 2,00 m. - Laying vehicle according to claim 1,
characterized in
that the maximum width of vehicle is between 1,20 and 1,60 m and its maximum length between 5,00 and 6,50 m. - Laying vehicle according to claim 1,
characterized in
that the thickness of the practicable surfacings extends from 3,0 to 20,0 mm. - Laying vehicle according to claim 1,
characterized in
that the storage bins for bituminous emulsion (11) and for additives or wetting agents (17) have, towards the feeding pipes discharging into the mixer (M), been provided with quick-acting seals to allows speedy change of bins. - Laying vehicle according to claim 1,
characterized in
that some or all of the storage bins for bituminous emulsion, mineral grit, water, cement and for additives or wetting agents have been provided with filling necks which, by means of quick-acting seals, can be linked to flexible feeding tubes of larger diameters thus allowing a feed of these materials or agents by laterally moving tank vehicles during the current laying operation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9010601U DE9010601U1 (en) | 1990-07-14 | 1990-07-14 | |
| DE9010601U | 1990-07-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0467255A1 EP0467255A1 (en) | 1992-01-22 |
| EP0467255B1 true EP0467255B1 (en) | 1993-06-09 |
Family
ID=6855616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91111728A Expired - Lifetime EP0467255B1 (en) | 1990-07-14 | 1991-07-15 | Motorised laying vehicle for road- or path-surfacings |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0467255B1 (en) |
| AT (1) | ATE90406T1 (en) |
| DE (3) | DE9010601U1 (en) |
| DK (1) | DK0467255T3 (en) |
| PL (1) | PL291081A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004006624A1 (en) * | 2004-01-29 | 2005-09-01 | Helga Nowack | Bitumen cold mixing device e.g. for road construction and secondary surfaces, has cement, water and bitumen emulsion provided in container and mixed with rock material with discharge opening |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0649482B1 (en) * | 1992-06-30 | 1996-11-27 | Colas S.A. | Road-surfacing vehicle |
| GB2371999A (en) * | 2001-02-13 | 2002-08-14 | James Mcintosh | Drum apparatus for mixing and dispensing road repair material with variable inclination |
| EP2119831B1 (en) | 2008-05-14 | 2016-03-30 | Joseph Vögele AG | Paver |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1024589A (en) * | 1950-09-14 | 1953-04-02 | Fraises Dentaires Fab De | Method of marking small instruments, such as dental instruments |
| GB1044074A (en) * | 1964-03-03 | 1966-09-28 | Priestman Brothers | Improvements relating to excavators |
| FR1603012A (en) * | 1968-04-25 | 1971-03-15 | ||
| DD80230A1 (en) * | 1969-03-03 | 1971-03-05 | Juergen Meyer | Mobile device for the production of bituminous sludges with simultaneous application of the same, preferably on traffic areas |
| US4072435A (en) * | 1976-11-11 | 1978-02-07 | Irl Daffin Associates, Inc. | Method and apparatus for maintaining highways |
| AT359118B (en) * | 1978-02-14 | 1980-10-27 | Krause Ulrich | BITUMINOUS SLUDGE TREATMENT DEVICE |
| FR2550248B1 (en) * | 1983-07-13 | 1986-02-21 | Ermont | MOBILE DEVICE FOR COLD PROCESSING AND SPREADING ON SITE OF BITUMINOUS COATED PRODUCTS FOR ROAD COVERINGS |
-
1990
- 1990-07-14 DE DE9010601U patent/DE9010601U1/de not_active Expired - Lifetime
-
1991
- 1991-07-15 DE DE9191111728T patent/DE59100143D1/en not_active Expired - Fee Related
- 1991-07-15 AT AT91111728T patent/ATE90406T1/en not_active IP Right Cessation
- 1991-07-15 PL PL29108191A patent/PL291081A1/en unknown
- 1991-07-15 EP EP91111728A patent/EP0467255B1/en not_active Expired - Lifetime
- 1991-07-15 DK DK91111728.1T patent/DK0467255T3/en active
- 1991-07-15 DE DE199191111728T patent/DE467255T1/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004006624A1 (en) * | 2004-01-29 | 2005-09-01 | Helga Nowack | Bitumen cold mixing device e.g. for road construction and secondary surfaces, has cement, water and bitumen emulsion provided in container and mixed with rock material with discharge opening |
| DE102004006624B4 (en) * | 2004-01-29 | 2006-01-19 | Helga Nowack | Apparatus and process for the production of liquid, bituminous cold mix |
Also Published As
| Publication number | Publication date |
|---|---|
| DE9010601U1 (en) | 1990-10-18 |
| EP0467255A1 (en) | 1992-01-22 |
| DE59100143D1 (en) | 1993-07-15 |
| DE467255T1 (en) | 1992-10-15 |
| PL291081A1 (en) | 1992-06-01 |
| DK0467255T3 (en) | 1994-01-03 |
| ATE90406T1 (en) | 1993-06-15 |
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