EP1213212B1 - Vehicle chassis and concrete shuttering with a vehicle chassis - Google Patents

Vehicle chassis and concrete shuttering with a vehicle chassis Download PDF

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Publication number
EP1213212B1
EP1213212B1 EP01128449A EP01128449A EP1213212B1 EP 1213212 B1 EP1213212 B1 EP 1213212B1 EP 01128449 A EP01128449 A EP 01128449A EP 01128449 A EP01128449 A EP 01128449A EP 1213212 B1 EP1213212 B1 EP 1213212B1
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EP
European Patent Office
Prior art keywords
chain
running gear
drive
rollers
gear according
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Expired - Lifetime
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EP01128449A
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German (de)
French (fr)
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EP1213212A1 (en
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Doka Industrie GmbH
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Doka Industrie GmbH
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/02Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for rooms as a whole by which walls and floors are cast simultaneously, whole storeys, or whole buildings
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries

Definitions

  • the invention relates to a chassis according to the preamble of claim 1 and a concrete formwork, which is provided with such a chassis.
  • US 5,290,492 relates to an assembly pulled by a towing vehicle, by means of which concrete can be poured into a formwork which is attached to the arrangement. The arrangement is moved on crawler tracks.
  • DE 33 43 374 A1 discloses a crawler undercarriage, which in addition to the wheels at the beginning and end of the chassis, which serve the deflection, a plurality of rollers which are fixedly mounted in a direction displaceable perpendicular to the ground to compensate for unevenness of the soil to be able to.
  • DE 33 43 374 A1 discloses a chassis according to the preamble of claim 1, which is not connected to a concrete formwork.
  • the invention has for its object to provide a chassis for implementing a concrete formwork, in particular a tunnel formwork, can be achieved by the effortless implementation of concrete formwork on even young concrete with little effort.
  • the chassis according to the invention which is connected to implement a concrete formwork, preferably a tunnel formwork connected or connectable, on the one hand, the known roles of a Umlaufrollenfahrtechniks, in particular a tank roller undercarriage, are provided, which are provided circumferentially.
  • a circumferential chain is additionally provided.
  • the chain has a plurality of plate-like or plate-like elements and runs at least in sections between the rollers of the tank roller undercarriage and the ground.
  • At least one gear preferably both lying on two edges gears a deflection point, slidably mounted and tensioned by means of a clamping device, so that the chain can be stretched.
  • the chassis according to the invention can be made particularly flexible if this is adapted for the attachment of a drive.
  • a suitable flange may be provided to secure a drive to the chassis according to the invention.
  • a mechanical drive in the form of a reversible ratchet has proven to be advantageous.
  • Such a ratchet can be driven by a lever.
  • a concrete formwork can also be moved in the form of curves.
  • an electric drive such as an electric motor geared motor drive.
  • the chassis according to the invention is rotatably connected to a concrete formwork around a vertical axis or can be connected.
  • the chassis can be pivoted by the rotatable attachment at larger angles, for example by 90 ° to allow a method of concrete formwork, in particular a tunnel formwork, in the transverse direction, in particular for correction purposes.
  • chassis according to the invention can be provided as such and can be combined with a concrete formwork for its implementation, it is preferred in the invention that a concrete formwork, in particular a tunnel formwork is already provided with at least one chassis according to the invention.
  • the chassis 10 at its upper end a plate or a flange 12, by means of which the chassis with a support structure, are attached to the concrete formwork, connectable.
  • a carrier is that part of the chassis on which, as described below, the roles of a Umlaufrollenfahrtechniks, preferably a tank roller undercarriage, and a circumferential chain are provided, mounted on a further flange 14.
  • the rollers hereinafter referred to simply as tank rollers, provided on the conventional landing gear for direct contact with a previously laid steel strip are shown in FIG indicated.
  • These rollers 16 are guided laterally by a cage and otherwise secured against falling out.
  • the rollers are connected by tab-like elements in the manner of a roller chain.
  • the rollers run on an oblong-oval track in the middle of which is the recognizable in the figure bridge.
  • a circumferential chain 20 which consists of several plate or plate-shaped elements or members.
  • the elements each have an extension in the circumferential direction of the chain 20, which is essentially defined by the distance between two bolts 22.
  • the individual elements With 24 the individual elements are indicated in Fig. 1. Laterally outside the respective elements extend between two adjacent elements 24 respective tabs 26 to connect the adjacent elements in total to a circulating chain. According to the invention, therefore, a "two-fold" circumferential arrangement is provided by, on the one hand, the chain 20 with the plate-like elements and on the other hand, the numerous rollers 16 rotate.
  • the entrainment occurs here due to the pressure exerted by the elements of the chain 20 on the rollers 16 and causes them to roll between the inner surfaces of the elements and the web around which the rollers 16 revolve.
  • the power transmission from the concrete formwork via the rollers 16 to the chain 20 and the ground takes place only in the area in which the rollers 16 are located. This can also be seen from the fact that the axes of the gear wheels 28, which are explained in more detail below, are correspondingly offset upwards, so that the chain at least slightly lifts off the ground in these areas.
  • sliding surfaces are provided for the lateral guidance.
  • the gears are laterally outside the chain, and in the tooth recesses of the respective gears, the bolts 22 are received.
  • the construction from the one side edge to the other side edge in the width direction is as follows.
  • the heads of the bolts 22 are received, the tabs 26 are located on the inside adjacent to the gear 28, then the links of the chain extend over a certain width, and at the other edge are again tabs on the Elements of the chain, which connect two adjacent elements by means of respective bolts.
  • the heads of the bolts are received in a gear on the opposite edge. Outside the respective gears is still each a plate in which the gears are mounted.
  • the flat resting on the concrete is supported by the fact that the elements of the chain 20 have a certain width A, so that is provided in this extension for a flat resting on the young concrete, and no damage or chipping of the concrete is risked.
  • a further, additional embodiment of the chassis 10 according to the invention is shown.
  • the chassis is provided with covers 36.
  • an axle 38 of a gear pair projects laterally such that a drive can be attached thereto.
  • This may on the one hand be a mechanical drive (not shown) in the form of a reversing ratchet which can be driven with a sufficiently long lever.
  • a hydraulic motor can be attached to a flange 40 provided for this purpose.
  • a cover (not shown) may be attached.
  • a so-called turntable 42 can be seen as a supplementary feature.
  • the chassis 10 shown about a vertical axis is rotatable or pivotally attached to a formwork construction.
  • the individual carriages with respect to the formwork construction can be rotated such that the passage of curves or, when rotated by 90 °, a method in the transverse direction, in particular for correcting, is made possible.
  • the length of the chassis 10 of the invention approximately equals three times its height.
  • the preferred dimensions for the dimension B according to FIG. 1 are about 300 mm and for the dimension A according to FIG. 2 about 150 mm can be specified.
  • the axial distance of the two gears 28 is about 450 mm, and the diameter of about 250 mm. This measure is approximately the total height of the chassis.
  • the rollers 16, which are also known as tank rollers, preferably have a diameter of about 30 mm.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

The carriage for handling concrete tunnel sections has an endless track (20) with links formed as plates (24) which partially extends between the carriage rollers (16) and the ground (18). The track can be guided on sprockets (28), at least one of which can be adjustable to allow adjustment of the track tension. The track can be of steel and may be powered by a drive attached to the carriage.

Description

Technisches GebietTechnical area

Die Erfindung betrifft ein Fahrwerk nach dem Oberbegriff des Anspruchs 1 sowie eine Betonschalung, die mit einem derartigen Fahrwerk versehen ist.The invention relates to a chassis according to the preamble of claim 1 and a concrete formwork, which is provided with such a chassis.

Insbesondere auf dem Gebiet des Tunnelbaus ist es erforderlich, Betonschalungen, die zum Betonieren eines bestimmten Abschnitts verwendet wurden, mittels eines geeigneten Fahrwerks zu einem nächsten Abschnitt zu verfahren, um die Betonierarbeiten in dem nächsten Abschnitt durchführen zu können. Eine Besonderheit auf diesem Gebiet besteht darin, dass die Betonschalung auf jungem Beton verfahren werden muss, der nicht mit hohen Punktlasten belastet werden darf, da sonst die Gefahr besteht, dass der frische Betonboden absplittert.Particularly in the field of tunneling, it is necessary to move concrete formwork used for concreting a certain section to a next section by means of a suitable landing gear in order to be able to carry out the concreting work in the next section. A special feature in this area is that the concrete formwork must be moved on young concrete, which must not be burdened with high point loads, otherwise there is a risk that the fresh concrete floor splinters.

Stand der TechnikState of the art

Als Vorbenutzungsgegenstände sind Fahrwerke bekannt, die an ihrer Unterseite mehrere Rollen, sogenannte Panzerrollen aufweisen. Mittels dieser Rollen werden die Schalungen auf Stahlblechstreifen verfahren, die vorangehend verlegt wurden. Die Stahlblechstreifen sind erforderlich, um die hohen, aufgrund der Linienberührung der Panzerrollen auftretenden Punktlasten, auf eine größere Fläche abzuleiten. Bei dem Verfahren mit Hilfe der beschriebenen Panzerrollen auf vorangehend verlegten Stahlblechstreifen besteht das Problem, dass die Stahlblechstreifen exakt verlegt werden müssen, und eine Korrektur schwierig zu bewerkstelligen ist. In dem Fall, dass die verlegten Stahlblechstreifen korrigiert werden müssen, ist es erforderlich, die vergleichsweise schwere Konstruktion hydraulisch hochzuheben, und dann die Blechstreifen zu verschieben. Zur Aufnahme der auftretenden Lasten ist es ferner erforderlich, dass die Blechstreifen vergleichsweise dick ausgeführt sind, da sich zu dünnes Blech verformen, insbesondere wellen kann, und das Verfahren behindert wird. Durch die Verwendung dicker Blechstreifen werden diese schwer und schwierig zu handhaben.As Vorbenutzungsgegenstände landing gears are known, which have on their underside several roles, called tank rollers. By means of these rollers, the formwork is moved on steel strips, which were previously laid. The sheet steel strips are required to protect the high, due to the line contact of the tank rollers occurring point loads to derive on a larger area. In the method using the above-described steel rollers on previously laid steel sheet strips, there is the problem that the steel strips have to be laid exactly, and a correction is difficult to accomplish. In the event that the laid steel strips have to be corrected, it is necessary to lift the comparatively heavy construction hydraulically, and then to move the metal strips. To accommodate the loads occurring, it is also necessary that the metal strips are made relatively thick because deform to thin sheet metal, in particular can wave, and the process is hindered. Using thick sheet metal strips makes them heavy and difficult to handle.

Beim Gegenstand der GB 2 043 740 A, bei der eine Betonschalung auf vergleichsweise langen, umlaufenden Raupen- oder Panzerketten verfahren wird, tritt das Problem auf, dass vergleichsweise starke Zugfahrzeuge verwendet werden müssen. In ähnlicher Weise wird gemäß der DE 36 01 587 C2 eine Schalung mit Hilfe eines Zugfahrzeuges verfahren, das auf Ketten voranbewegt wird.In the subject matter of GB 2 043 740 A, in which a concrete formwork is moved to comparatively long, circumferential caterpillar tracks or tank tracks, the problem arises that comparatively strong towing vehicles must be used. Similarly, according to DE 36 01 587 C2 a formwork with the help of a towing vehicle is moved, which is moved on chains.

Ferner betrifft die US 5,290,492 eine von einem Zugfahrzeug gezogene Anordnung, mittels derer Beton in eine Schalung, die an der Anordnung angebracht ist, eingegossen werden kann. Die Anordnung wird auf Raupenfahrwerken bewegt. Schließlich ist aus der DE 33 43 374 A1 ein Raupenfahrwerk bekannt, das neben den Rädern am Anfang und Ende des Fahrwerks, die der Umlenkung dienen, mehrere Laufrollen aufweist, die ortsfest in einer Richtung senkrecht zum Untergrund verschiebbar gelagert sind, um Unebenheiten des Bodens ausgleichen zu können.Furthermore, US 5,290,492 relates to an assembly pulled by a towing vehicle, by means of which concrete can be poured into a formwork which is attached to the arrangement. The arrangement is moved on crawler tracks. Finally, from DE 33 43 374 A1 discloses a crawler undercarriage, which in addition to the wheels at the beginning and end of the chassis, which serve the deflection, a plurality of rollers which are fixedly mounted in a direction displaceable perpendicular to the ground to compensate for unevenness of the soil to be able to.

Weiterhin offenbart die DE 33 43 374 A1 ein Fahrwerk nach dem Oberbegriff von Anspruch 1, das jedoch nicht mit einer Betonschalung verbunden ist.Furthermore, DE 33 43 374 A1 discloses a chassis according to the preamble of claim 1, which is not connected to a concrete formwork.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt die Aufgabe zugrunde, ein Fahrwerk zum Umsetzen einer Betonschalung, insbesondere einer Tunnelschalung zu schaffen, durch das mit geringem Aufwand ein problemloses Umsetzen von Betonschalungen auch auf noch jungem Beton erreicht werden kann.The invention has for its object to provide a chassis for implementing a concrete formwork, in particular a tunnel formwork, can be achieved by the effortless implementation of concrete formwork on even young concrete with little effort.

Die Lösung dieser Aufgabe erfolgt durch das im Anspruch 1 beschriebene Fahrwerk.The solution to this problem is achieved by the chassis described in claim 1.

Demzufolge sind bei dem erfindungsgemäßen Fahrwerk, das zum Umsetzen einer Betonschalung, bevorzugt einer Tunnelschalung mit dieser verbunden oder verbindbar ist, zum einen die bekannten Rollen eines Umlaufrollenfahrwerks, insbesondere eines Panzerrollenfahrwerks, vorhanden, die umlaufend vorgesehen sind. Im Wesentlichen sind bevorzugt mehrere Rollen in einem Käfig seitlich geführt und gegen Herausfallen gesichert und laufen um einen festen Steg um. Erfindungsgemäß ist zusätzlich eine umlaufende Kette vorgesehen. Die Kette weist mehrere platten- oder plättchenförmige Elemente auf und verläuft zumindest abschnittsweise zwischen den Rollen des Panzerrollenfahrwerks und dem Untergrund. Durch diese Gestaltung wird gewissermaßen ein umlaufendes Stahlprofil geschaffen, das die bekannten, bislang exakt zu verlegenden Stahlblechstreifen ersetzt. Die Linienberührung und Kraftübertragung mit den Panzerrollen tritt nunmehr zwischen diesen Panzerrollen und der Innenseite der umlaufenden Kette auf. Insbesondere wird der linienförmige Druck jeweils auf ein flächiges Element der Kette abgeleitet, und seitens des flächigen Elements werden auf den darunter liegenden jungen und deshalb empfindlichen Beton keine hohen Punktlasten übertragen. Vielmehr erfolgt eine flächige Belastung des Untergrundes, die diesen nicht gefährdet. Aufgrund dieser Art der Ableitung von Kräften wird der Rollwiderstand erheblich verringert, und die bislang erforderlichen, dicken, dementsprechend schweren und schwer handhabbaren Stahlblechstreifen können entfallen. Ferner ist eine Richtungskorrektur bei dem Verfahren möglich.Accordingly, in the chassis according to the invention, which is connected to implement a concrete formwork, preferably a tunnel formwork connected or connectable, on the one hand, the known roles of a Umlaufrollenfahrwerks, in particular a tank roller undercarriage, are provided, which are provided circumferentially. In essence, preferably several rollers are guided laterally in a cage and secured against falling out and run around a fixed web. According to the invention, a circumferential chain is additionally provided. The chain has a plurality of plate-like or plate-like elements and runs at least in sections between the rollers of the tank roller undercarriage and the ground. By this design, as it were, a circumferential steel profile is created, which replaces the known, so far exactly to be laid steel sheet strips. The line contact and power transmission with the tank rolls now occurs between these tank rollers and the inside of the rotating chain. In particular, the line-shaped pressure is in each case derived on a planar element of the chain, and on the part of the planar element, no high point loads are transmitted to the underlying young and therefore sensitive concrete. Rather, a surface load of the substrate, which does not endanger this. Due to this type of derivative of forces rolling resistance is significantly reduced, and the previously required, thick, accordingly heavy and difficult to handle Sheet steel strips can be omitted. Furthermore, a direction correction in the method is possible.

Bevorzugte Weiterbildungen des erfindungsgemäßen Fahrwerks sind in den weiteren Ansprüchen beschrieben.Preferred developments of the chassis according to the invention are described in the further claims.

Für eine sichere Führung der Kette an dem erfindungsgemäßen Fahrwerk hat es sich als vorteilhaft herausgestellt, die Kette mittels Zahnrädern zumindest an den Umlenkpunkten zu führen. Da die Kette aufgrund der Verwendung mehrerer platten- oder plättchenförmiger Elemente eine gewisse Breitenerstreckung aufweist, wird die Verwendung von zwei Zahnrädern jeweils an den Umlenkpunkten an den Rändern der Kette bevorzugt. Ferner wird durch die Zahnräder, wie nachfolgend noch genauer ausgeführt, die Möglichkeit geschaffen, die Kette anzutreiben. Es sei ergänzend erwähnt, dass die Kette seitlich durch Gleitflächen geführt wird.For a safe guidance of the chain on the chassis according to the invention, it has been found to be advantageous to guide the chain by means of gears at least at the deflection points. Since the chain has a certain width extension due to the use of a plurality of plate- or plate-shaped elements, the use of two gears each at the deflection points at the edges of the chain is preferred. Further, by the gears, as explained in more detail below, created the opportunity to drive the chain. It should be mentioned in addition that the chain is guided laterally by sliding surfaces.

Um eine Möglichkeit zu schaffen, die Kette zu spannen oder nachzuspannen, ist zumindest ein Zahnrad, bevorzugt beide an zwei Rändern liegende Zahnräder eines Umlenkpunktes, verschiebbar gelagert und mittels einer Spanneinrichtung spannbar, so dass auch die Kette gespannt werden kann.To create a way to tighten or retighten the chain, at least one gear, preferably both lying on two edges gears a deflection point, slidably mounted and tensioned by means of a clamping device, so that the chain can be stretched.

Als Material für die Kette hat sich Stahl als günstig herausgestellt, da dieser Werkstoff den zu erwartenden Belastungen standhält und eine wenig aufwendige und kostengünstige Fertigung des erfindungsgemäßen Fahrwerks ermöglicht.As a material for the chain, steel has been found to be low, since this material withstands the expected loads and allows a little expensive and cost-effective production of the chassis according to the invention.

Wie vorangehend erwähnt, bietet es im Rahmen der Erfindung Vorteile, wenn die Kette antreibbar ist. Hierdurch können jegliche gesondert vorgesehene Zugfahrzeuge entfallen.As mentioned above, it provides advantages in the context of the invention, when the chain is driven. As a result, any separately provided traction vehicles can be omitted.

Hierbei kann das erfindungsgemäße Fahrwerk besonders flexibel gestaltet werden, wenn dies für die Anbringung eines Antriebs angepasst ist. Mit anderen Worten muss in einer Grundausführung nicht notwendigerweise ein Antrieb vorhanden sein. Es sind jedoch bevorzugt Vorkehrungen dafür getroffen, beispielsweise kann ein geeigneter Flansch vorgesehen sein, um einen Antrieb an dem erfindungsgemäßen Fahrwerk zu befestigen.In this case, the chassis according to the invention can be made particularly flexible if this is adapted for the attachment of a drive. In other words, in one Basic version does not necessarily have a drive. However, it is preferred precautions taken, for example, a suitable flange may be provided to secure a drive to the chassis according to the invention.

Für bestimmte Anwendungsfälle hat sich hierbei ein mechanischer Antrieb in Form einer umschaltbaren Ratsche als vorteilhaft erwiesen. Eine derartige Ratsche kann durch einen Hebel angetrieben werden. Hierdurch sind kleinere Korrekturen an einem einzelnen Fahrwerk, das üblicherweise zusammen mit weiteren Fahrwerken für das Versetzen einer Betonschalung sorgt, möglich. Durch geeignete Betätigung der einzelnen Antriebe kann eine Betonschalung ferner in Kurvenform verfahren werden.For certain applications, a mechanical drive in the form of a reversible ratchet has proven to be advantageous. Such a ratchet can be driven by a lever. As a result, minor corrections to a single chassis, which usually provides together with other trolleys for moving a concrete formwork possible. By suitable actuation of the individual drives a concrete formwork can also be moved in the form of curves.

Alternativ bietet es für bestimmte Anwendungsfälle Vorteile, wenn an das erfindungsgemäße Fahrwerk ein hydraulischer Antrieb angebracht wird.Alternatively, it offers advantages for certain applications when a hydraulic drive is attached to the chassis according to the invention.

Ebenso kann es vorteilhaft sein, bei einer bevorzugten Ausführungsform einen elektrischen Antrieb, beispielsweise einen Elektromotor-Getriebemotor als Antrieb vorzusehen.It may also be advantageous to provide in a preferred embodiment, an electric drive, such as an electric motor geared motor drive.

Schließlich wird für das erfindungsgemäße Fahrwerk bevorzugt, dass es um eine vertikale Achse drehbar mit einer Betonschalung verbunden oder verbindbar ist. Hierdurch können, wie erwähnt, Kurven gefahren werden, da die Fahrwerke in geeigneter Weise getrennt voneinander bezüglich der Betonschalung derart verdreht werden können, dass durch ein Antreiben der Fahrwerke eine Kurve beschrieben wird. Ferner kann das Fahrwerk durch die drehbare Anbringung auch um größere Winkel, beispielsweise um 90° geschwenkt werden, um ein Verfahren der Betonschalung, insbesondere einer Tunnelschalung, in Querrichtung, insbesondere zu Korrekturzwecken, zu ermöglichen.Finally, it is preferred for the chassis according to the invention that it is rotatably connected to a concrete formwork around a vertical axis or can be connected. As a result, as mentioned, curves are driven, since the trolleys can be rotated in a suitable manner separately from each other with respect to the concrete formwork such that by driving the trolleys a curve is described. Furthermore, the chassis can be pivoted by the rotatable attachment at larger angles, for example by 90 ° to allow a method of concrete formwork, in particular a tunnel formwork, in the transverse direction, in particular for correction purposes.

Wenngleich das erfindungsgemäße Fahrwerk als solches vorgesehen sein kann und mit einer Betonschalung zu dessen Umsetzung kombiniert werden kann, wird im Rahmen der Erfindung bevorzugt, dass eine Betonschalung, insbesondere eine Tunnelschalung bereits mit zumindest einem erfindungsgemäßen Fahrwerk versehen ist.Although the chassis according to the invention can be provided as such and can be combined with a concrete formwork for its implementation, it is preferred in the invention that a concrete formwork, in particular a tunnel formwork is already provided with at least one chassis according to the invention.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Nachfolgend werden beispielhaft in den Zeichnungen dargestellte Ausführungsformen der Erfindung näher erläutert. Es zeigen:

Fig. 1
eine Seitenansicht des erfindungsgemäßen Fahrwerks in einer ersten Ausführungsform;
Fig. 2
eine Vorderansicht des Fahrwerks gemäß Fig. 1; und
Fig. 3
eine perspektivische Ansicht des erfindungsgemäßen Fahrwerks in einer zweiten Ausführungsform.
Embodiments of the invention illustrated by way of example in the drawings will be explained in more detail below. Show it:
Fig. 1
a side view of the chassis according to the invention in a first embodiment;
Fig. 2
a front view of the chassis of FIG. 1; and
Fig. 3
a perspective view of the chassis according to the invention in a second embodiment.

Ausführliche Beschreibung bevorzugter Ausführungsformen der ErfindungDetailed description of preferred embodiments of the invention

Wie in Fig. 1 zu erkennen ist, weist das erfindungsgemäße Fahrwerk 10 an seinem oberen Ende eine Platte oder einen Flansch 12 auf, mittels dessen das Fahrwerk mit einer Tragekonstruktion, an der Betonschalungen angebracht sind, verbindbar ist. Mittels eines Trägers ist derjenige Teil des Fahrwerks, an dem, wie nachfolgend beschrieben, die Rollen eines Umlaufrollenfahrwerks, bevorzugt eines Panzerrollenfahrwerks, und eine umlaufende Kette vorgesehen sind, über einen weiteren Flansch 14 angebracht. Die Rollen, die nachfolgend der Einfachheit halber als Panzerrollen bezeichnet werden, die an dem herkömmlichen Fahrwerk für einen unmittelbaren Kontakt mit einem vorangehend verlegten Stahlstreifen vorgesehen sind, sind in Fig. 1 mit 16 angedeutet. Diese Rollen 16 sind seitlich durch einen Käfig geführt und im Übrigen gegen ein Herausfallen gesichert. Bevorzugt sind die Rollen durch laschenartige Elemente in der Art einer Rollenkette miteinander verbunden. Die Rollen laufen auf einer länglich-ovalen Bahn um, in dessen Mitte sich der in der Figur erkennbare Steg befindet.As can be seen in Fig. 1, the chassis 10 according to the invention at its upper end a plate or a flange 12, by means of which the chassis with a support structure, are attached to the concrete formwork, connectable. By means of a carrier is that part of the chassis on which, as described below, the roles of a Umlaufrollenfahrwerks, preferably a tank roller undercarriage, and a circumferential chain are provided, mounted on a further flange 14. The rollers, hereinafter referred to simply as tank rollers, provided on the conventional landing gear for direct contact with a previously laid steel strip are shown in FIG indicated. These rollers 16 are guided laterally by a cage and otherwise secured against falling out. Preferably, the rollers are connected by tab-like elements in the manner of a roller chain. The rollers run on an oblong-oval track in the middle of which is the recognizable in the figure bridge.

Erfindungsgemäß befindet sich zwischen diesen Rollen 16 und dem Untergrund 18 eine umlaufende Kette 20, die aus mehreren platten- oder plättchenförmigen Elementen oder Gliedern besteht. Bei dem gezeigten Ausführungsbeispiel weisen die Elemente jeweils eine Erstreckung in Umlaufrichtung der Kette 20 auf, die im Wesentlichen durch den Abstand zwischen zwei Bolzen 22 definiert ist. Mit 24 sind in Fig. 1 die einzelnen Elemente angedeutet. Seitlich außerhalb der jeweiligen Elemente erstrecken sich zwischen zwei benachbarten Elementen 24 jeweilige Laschen 26, um die benachbarten Elemente insgesamt zu einer umlaufenden Kette zu verbinden. Erfindungsgemäß ist somit eine "zweifach" umlaufende Anordnung vorgesehen, indem zum einen die Kette 20 mit den plattenartigen Elementen und zum anderen die zahlreichen Rollen 16 umlaufen. Die Mitnahme geschieht hierbei infolge des Drucks, der von den Elementen der Kette 20 auf die Rollen 16 übertragen wird, und bewirkt, dass diese zwischen den inneren Oberflächen der Elemente und dem Steg, um welchen die Rollen 16 umlaufen, abrollen. Ergänzend ist noch darauf hinzuweisen, dass die Kraftübertragung von der Betonschalung über die Rollen 16 auf die Kette 20 und den Untergrund lediglich in dem Bereich erfolgt, in dem sich die Rollen 16 befinden. Dies ist auch daran zu erkennen, dass die Achsen der nachfolgend noch näher erläuterten Zahnräder 28 dementsprechend nach oben versetzt sind, dass sich die Kette in diesen Bereichen zumindest geringfügig vom Untergrund abhebt.According to the invention is located between these rollers 16 and the substrate 18, a circumferential chain 20, which consists of several plate or plate-shaped elements or members. In the embodiment shown, the elements each have an extension in the circumferential direction of the chain 20, which is essentially defined by the distance between two bolts 22. With 24 the individual elements are indicated in Fig. 1. Laterally outside the respective elements extend between two adjacent elements 24 respective tabs 26 to connect the adjacent elements in total to a circulating chain. According to the invention, therefore, a "two-fold" circumferential arrangement is provided by, on the one hand, the chain 20 with the plate-like elements and on the other hand, the numerous rollers 16 rotate. The entrainment occurs here due to the pressure exerted by the elements of the chain 20 on the rollers 16 and causes them to roll between the inner surfaces of the elements and the web around which the rollers 16 revolve. In addition, it should be pointed out that the power transmission from the concrete formwork via the rollers 16 to the chain 20 and the ground takes place only in the area in which the rollers 16 are located. This can also be seen from the fact that the axes of the gear wheels 28, which are explained in more detail below, are correspondingly offset upwards, so that the chain at least slightly lifts off the ground in these areas.

Wie aus Fig. 1 zu erkennen ist, ist die Kette an den jeweiligen Umlenkpunkten an jedem seitlichen Rand um ein Zahnrad 28 gelegt, was einen Antrieb der Kette ermöglicht. Ergänzend sind zur seitlichen Führung Gleitflächen vorgesehen. Insbesondere befinden sich die Zahnräder seitlich außerhalb der Kette, und in den Zahnmulden der jeweiligen Zahnräder werden die Bolzen 22 aufgenommen. Mit anderen Worten gestaltet sich die Konstruktion von dem einen seitlichen Rand zu dem anderen seitlichen Rand in Breitenrichtung wie folgt. In den Vertiefungen des äußersten Zahnrads sind die Köpfe der Bolzen 22 aufgenommen, die Laschen 26 liegen an der Innenseite benachbart zu dem Zahnrad 28, daran anschließend erstrecken sich die Glieder der Kette über eine gewisse Breite, und an dem anderen Rand liegen erneut Laschen an die Elemente der Kette an, die mittels jeweiliger Bolzen zwei benachbarte Elemente miteinander verbinden. Die Köpfe der Bolzen sind in einem Zahnrad an dem gegenüberliegenden Rand aufgenommen. Außerhalb der jeweiligen Zahnräder befindet sich noch jeweils eine Platte, in der die Zahnräder gelagert sind.As can be seen from Fig. 1, the chain at the respective deflection points at each lateral edge to one Gear 28 laid, which allows a drive of the chain. In addition, sliding surfaces are provided for the lateral guidance. In particular, the gears are laterally outside the chain, and in the tooth recesses of the respective gears, the bolts 22 are received. In other words, the construction from the one side edge to the other side edge in the width direction is as follows. In the recesses of the outermost gear, the heads of the bolts 22 are received, the tabs 26 are located on the inside adjacent to the gear 28, then the links of the chain extend over a certain width, and at the other edge are again tabs on the Elements of the chain, which connect two adjacent elements by means of respective bolts. The heads of the bolts are received in a gear on the opposite edge. Outside the respective gears is still each a plate in which the gears are mounted.

Wie anhand der Darstellung von Fig. 1 zu erkennen ist, erfolgt die Berührung mit dem Boden, der durch jungen und somit empfindlichen Beton gebildet wird, entlang einer gewissen Aufstandslänge B, so dass der Beton keinen hohen Punktlasten ausgesetzt ist. Zu Fig. 1 sei noch angemerkt, dass die Lagerung der Zahnräder auf der linken Seite bei der gezeigten Ausführungsform in einem verschiebbar gelagerten Element 32 erfolgt, das mittels einer Spannschraube 34 verschoben werden kann, so dass die Kette in gewünschter Weise gespannt werden kann.As can be seen from the illustration of Fig. 1, the contact with the ground, which is formed by young and thus sensitive concrete, along a certain contact length B, so that the concrete is not exposed to high point loads. For Fig. 1 it should be noted that the storage of the gears on the left side in the embodiment shown in a displaceably mounted member 32 which can be moved by means of a clamping screw 34 so that the chain can be stretched in the desired manner.

Wie ergänzend aus Fig. 2 zu erkennen ist, wird das flächige Aufliegen auf den Beton unterstützt dadurch, dass die Elemente der Kette 20 eine gewisse Breite A aufweisen, so dass auch in dieser Erstreckung für ein flächiges Aufliegen auf dem jungen Beton gesorgt ist, und keine Beschädigung oder ein Absplittern des Betons riskiert wird.As can be seen in addition from Fig. 2, the flat resting on the concrete is supported by the fact that the elements of the chain 20 have a certain width A, so that is provided in this extension for a flat resting on the young concrete, and no damage or chipping of the concrete is risked.

In Fig. 3 ist eine weitere, ergänzte Ausführungsform des erfindungsgemäßen Fahrwerks 10 gezeigt. Zum einen ist zu erkennen, dass das Fahrwerk mit Abdeckungen 36 versehen ist. Zum anderen steht eine Achse 38 eines Zahnradpaares derart seitlich vor, dass daran ein Antrieb angebracht werden kann. Hierbei kann es sich zum einen um einen (nicht dargestellten) mechanischen Antrieb in Form einer Umschaltratsche handeln, die mit einem ausreichend langen Hebel antreibbar ist. Zum anderen kann an einen hierfür vorgesehenen Flansch 40 ein Hydraulikmotor angebracht werden. Schließlich kann an dem Flansch 40, wenn kein Antrieb vorgesehen ist, eine (nicht dargestellte) Abdeckung angebracht werden.In Fig. 3, a further, additional embodiment of the chassis 10 according to the invention is shown. On the one hand it can be seen that the chassis is provided with covers 36. On the other hand, an axle 38 of a gear pair projects laterally such that a drive can be attached thereto. This may on the one hand be a mechanical drive (not shown) in the form of a reversing ratchet which can be driven with a sufficiently long lever. On the other hand, a hydraulic motor can be attached to a flange 40 provided for this purpose. Finally, if no drive is provided on the flange 40, a cover (not shown) may be attached.

Im oberen Bereich des Fahrwerks 10 gemäß Fig. 3 ist als ergänzendes Merkmal ein sogenannter Drehteller 42 zu erkennen. Mittels des Drehtellers 42 ist das gezeigte Fahrwerk 10 um eine vertikale Achse dreh- oder schwenkbar an einer Schalungskonstruktion anbringbar. Hierdurch können die einzelnen Fahrwerke bezüglich der Schalungskonstruktion derart gedreht werden, dass das Durchfahren von Kurven oder, bei einem Verdrehen um 90°, ein Verfahren in Querrichtung, insbesondere zum Korrigieren, ermöglicht wird.In the upper region of the chassis 10 according to FIG. 3, a so-called turntable 42 can be seen as a supplementary feature. By means of the turntable 42, the chassis 10 shown about a vertical axis is rotatable or pivotally attached to a formwork construction. As a result, the individual carriages with respect to the formwork construction can be rotated such that the passage of curves or, when rotated by 90 °, a method in the transverse direction, in particular for correcting, is made possible.

Zu den Abmessungen des erfindungsgemäßen Fahrwerks 10 ist noch im Gegensatz zu einem Raupenfahrwerk festzustellen, dass dieses äußerst kompakt ausgeführt ist. Wie bereits in Fig. 1 zu erkennen ist, entspricht die Länge des Fahrwerks in etwa dem dreifachen Wert seiner Höhe.To the dimensions of the chassis 10 of the invention is still in contrast to a crawler undercarriage that this is extremely compact. As can already be seen in FIG. 1, the length of the chassis approximately equals three times its height.

Als bevorzugte Maße können für das Maß B gemäß Fig. 1 etwa 300 mm und für das Maß A gemäß Fig. 2 etwa 150 mm angegeben werden. Der Achsabstand der beiden Zahnräder 28 beträgt etwa 450 mm, und deren Durchmesser etwa 250 mm. Dieses Maß bildet in etwa die Gesamthöhe des Fahrwerks. Die Rollen 16, die auch als Panzerrollen bekannt sind, weisen bevorzugt einen Durchmesser von etwa 30 mm auf.The preferred dimensions for the dimension B according to FIG. 1 are about 300 mm and for the dimension A according to FIG. 2 about 150 mm can be specified. The axial distance of the two gears 28 is about 450 mm, and the diameter of about 250 mm. This measure is approximately the total height of the chassis. The rollers 16, which are also known as tank rollers, preferably have a diameter of about 30 mm.

Claims (11)

  1. Running gear (10), which for moving a concrete formwork is connected or connectable thereto and has several rollers (16), wherein a circulating chain (20) is provided with several plate- or lamina-shaped elements. (24) and runs at least in sections between the rollers (16) and the subsoil (18), characterised in that the rollers (16) are arranged circulating on a track.
  2. Running gear according to claim 1, characterised in that the chain (20) is guided over toothed wheels (28).
  3. Running gear according to claim 2, characterised in that at least one of the toothed wheels is held as displaceable, so the chain (20) is tensible.
  4. Running gear according to at least one of the preceding claims, characterised in that the chain (20) is made of steel.
  5. Running gear according to at least one of the preceding claims, characterised in that the chain (20) is drivable.
  6. Running gear according to at least one of the preceding claims, characterised in that a drive can be mounted on the running gear (10).
  7. Running gear according to claim 6, characterised in that the drive is a mechanical drive in the form of a reversible ratchet.
  8. Running gear according to claim 6, characterised in that the drive is a hydraulic drive.
  9. Running gear according to claim 6, characterised in that the drive is an electric drive, in particular an electric motor geared motor.
  10. Running gear according to at least one of the preceding claims, characterised in that it is connected or connectable to a concrete formwork rotatably about a vertical axis.
  11. Concrete formwork with at least one running gear (10) according to at least one of the preceding claims.
EP01128449A 2000-12-05 2001-12-05 Vehicle chassis and concrete shuttering with a vehicle chassis Expired - Lifetime EP1213212B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20020590U DE20020590U1 (en) 2000-12-05 2000-12-05 Chassis and concrete formwork with one chassis
DE20020590U 2000-12-05

Publications (2)

Publication Number Publication Date
EP1213212A1 EP1213212A1 (en) 2002-06-12
EP1213212B1 true EP1213212B1 (en) 2006-03-01

Family

ID=7949664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01128449A Expired - Lifetime EP1213212B1 (en) 2000-12-05 2001-12-05 Vehicle chassis and concrete shuttering with a vehicle chassis

Country Status (4)

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EP (1) EP1213212B1 (en)
AT (1) ATE318749T1 (en)
DE (2) DE20020590U1 (en)
ES (1) ES2258055T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008044817A1 (en) 2008-08-28 2010-03-18 Fichin, Moussei, Dr. Ing. Muscle-powered vehicle e.g. bicycle, has gear rod mounted such that gear rod is coupled with gear wheel, where gear rod is rigidly connected with pistons of hydraulic cylinder of drive device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1370379A (en) * 1921-03-01 Detachable resilient tread tor continuous-belt tractors
US2045792A (en) * 1935-08-10 1936-06-30 George W O'connor Street plate for crawler type tractor shoes
GB2043740B (en) 1979-02-27 1982-12-15 Dobson Park Ind Positioning roof arches
AT383560B (en) 1982-12-23 1987-07-27 Voest Alpine Ag TRACKED CHASSIS
JPS59120576A (en) * 1982-12-27 1984-07-12 Nobuya Saeki Caterpillar type working machine
JPS60131476U (en) * 1984-02-14 1985-09-03 貝崎 充和 Pavement surface damage prevention device in endless track belt
US5173309A (en) 1990-08-21 1992-12-22 Belarde John F Apparatus for forming concrete barriers
US5429429A (en) * 1992-08-28 1995-07-04 Loegering; George A. Track bolster for a track section of a removable flexible track belt

Also Published As

Publication number Publication date
ES2258055T3 (en) 2006-08-16
DE20020590U1 (en) 2001-03-01
DE50109054D1 (en) 2006-04-27
ATE318749T1 (en) 2006-03-15
EP1213212A1 (en) 2002-06-12

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