EP0391149A2 - Portable bridge and system for placing the bridge - Google Patents

Portable bridge and system for placing the bridge Download PDF

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Publication number
EP0391149A2
EP0391149A2 EP90105406A EP90105406A EP0391149A2 EP 0391149 A2 EP0391149 A2 EP 0391149A2 EP 90105406 A EP90105406 A EP 90105406A EP 90105406 A EP90105406 A EP 90105406A EP 0391149 A2 EP0391149 A2 EP 0391149A2
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EP
European Patent Office
Prior art keywords
bridge
section
roadway
bridge according
carriageway
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90105406A
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German (de)
French (fr)
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EP0391149B1 (en
EP0391149A3 (en
EP0391149B2 (en
Inventor
Hans-Norbert Dr.-Ing. Wiedeck
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ThyssenKrupp Industrial Solutions AG
Original Assignee
Krupp Industietechnik GmbH
Krupp Foerdertechnik GmbH
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Application filed by Krupp Industietechnik GmbH, Krupp Foerdertechnik GmbH filed Critical Krupp Industietechnik GmbH
Priority to AT90105406T priority Critical patent/ATE90127T1/en
Publication of EP0391149A2 publication Critical patent/EP0391149A2/en
Publication of EP0391149A3 publication Critical patent/EP0391149A3/en
Publication of EP0391149B1 publication Critical patent/EP0391149B1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/127—Portable or sectional bridges combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof

Definitions

  • the invention relates to a bridge which can be laid and which has at least one bridge section provided with a roadway on the top, and to a laying system.
  • Such bridges which are mostly used as pioneering bridges, are usually pushed and deposited over an obstacle (river, ditch) with the help of a vehicle provided with a laying device, and in most cases also transported on this vehicle at the same time.
  • the bridges can - in relation to their longitudinal direction - be formed in one piece, ie consisting of only a single bridge section or element, or be composed of several individual bridge sections. All bridges have in common that a ramp is formed at both ends. Particularly with the shorter bridges of this type, particular difficulties arise from the fact that only a certain bridge length can be loaded onto a vehicle, which is then available at the place of use, it often being impossible to predict which bridge length is currently required.
  • EP-PS 0 093 873 discloses a bridge that can be assembled from two ramp sections and that is transported on a motor vehicle and has a certain length - generally 26 m.
  • a bridge laying device is described in DE-OS 33 20 633, in which two short bridges measuring 12 meters each are transported and through on a vehicle this can be installed individually. It is not possible to assemble the two short bridges into a bridge of double length.
  • the invention has for its object to remedy this situation and to design a relocatable bridge of the type mentioned in such a way that in particular the bridge sections carried on a vehicle enable the construction of bridges of different lengths.
  • the bridge section has at least one fixed lower flange over its entire length and is provided with at least one joint having a horizontal and perpendicular axis to the longitudinal direction of the bridge, around which a roadway located in the end region of the bridge section is provided. Section is pivotable.
  • the roadway and the roadway section which only makes up part of the length of the bridge section, can be designed in one piece or, as is usually provided for pioneer bridges, as two parallel track tracks.
  • the invention enables a large number of different configurations of the bridge sections and, associated therewith, the formation of a greater number of different bridge lengths using a few bridge sections.
  • the bridge section can be moved on a laying device by running rails arranged on the lower flange. Instead of attaching rails to the lower flange, this can also be designed in the form of rails.
  • a particularly advantageous construction for the new bridge sections also results from the fact that the joint is arranged in the region of the top of the carriageway and that the carriageway section is provided with at least one carrier.
  • the carrier can simultaneously form the side walls of the carriageway section, so that there is a stable U-shape for the cross section of the carriageway section.
  • the articulated roadway section should preferably be lockable at least in its end positions in order to stiffen the bridge in the event of a load. Shear stresses that occur can be distributed in a simple manner in the longitudinal direction of the bridge in that the determination in the lower position of the roadway section is formed by the engagement of a toothing.
  • Linear motors preferably hydraulic cylinders, are particularly suitable as adjusting devices, which are also particularly suitable for absorbing larger loads.
  • An embodiment is particularly suitable for the formation of short bridges, in which the bridge section has two ramp-shaped areas, at least one of which is designed as a pivotable roadway section. This has particular advantages if two such bridge sections can be loaded one above the other on a laying vehicle and can be coupled to one another with the roadway sections pivoted upwards. The loaded bridge sections can thus form two short bridges or be combined to form a bridge twice as long.
  • the vehicle 2 provided with a laying device 1 at its rear end carries two respectively identical bridge elements or sections 3 and 4, which lie one above the other on a frame 5 which can be pushed out towards the rear end of the vehicle 2.
  • the frame 5 also carries the laying device 1 and is also provided at its free end with floor support elements 6 which can be extended downwards.
  • a lever 7 hinged to the front end of the frame 5 also serves to lay the bridge parts.
  • the bridge sections 3 and 4 each consist, in a known manner, of two parallel track tracks which are connected to one another via central struts or cross struts 23. Each track has two lower chords 8 extending over the entire length, to which a vertical triangular side wall 9 is connected at the top in the exemplary embodiment according to FIG. 4.
  • a joint 10 is arranged, which has an axis running horizontally and perpendicularly to the longitudinal direction of the bridge.
  • a roadway section 11, which again consists of two parallel track tracks, is articulated on each bridge section 3, 4 so as to be pivotable about the joint 10.
  • an inclined carriageway section 25 is fixedly arranged for each track track.
  • Each lower flange 8 is assigned a hydraulic cylinder 12, which is articulated with its extendable end at a point 13 at the end of the carriageway section 11 and with its other end in the region of the lower flange at a point 14.
  • the ramp plates 33 which are also articulated on the movable carriageway sections 11, are folded down and supported against the lower flange 8 .
  • the bridge is moved in a known manner by means of the laying device 1 after the frame 5 has been extended.
  • the lower straps 8 and the free ends of the road sections 11 each have the known coupling elements for coupling the bridge sections 3 and 4.
  • the frame 5 does not need to be extended due to the lower weight of the short bridges.
  • the short bridges are produced in a simple manner by retracting the hydraulic cylinders 12.
  • the road sections 11 are lowered and come to rest with their outer longitudinal edges on the side walls 9.
  • Roadway sections 11 toothing 24 and 24 ' provided, as indicated in Fig. 4, to better distribute thrust forces over the length of the respective roadway section 11 or to initiate in the side walls 9.
  • the coupling elements 15 for the lower chords 8 and the coupling elements 16 for the roadway sections 11 are indicated.
  • the central struts 23 for connecting the two track tracks are connected to the side walls 9.
  • Fig. 5 shows a bridge section 3 ', the top of which is formed from two adjoining road sections 11', both of which can be pivoted about a joint 10, which is located at the top on a lower flange 8 support 17.
  • the joint 10 is further stabilized in its position by a guy 18.
  • the lane sections 11 ' have reinforcement 19 for reinforcement, which can simultaneously form the side wall of the lane section or the respective track of the lane section.
  • the carriers 19, which have a triangular shape, can lie against one another in the region of the joint 10 in the folded state and rest with their lower edges on the lower straps 8. As can be seen from Fig. 7, the carrier 19 form supports that make the road sections 11 'rigid.
  • the hydraulic cylinders 12 are, as shown in FIG.
  • This embodiment can be used as a finished bridge (Fig. 5), as a bridge section with the same continuous height (Fig. 7) and also as a ramp section when a road section 11 'is opened and the other is folded.
  • the bridge section 26 shown schematically in FIGS. 8 to 10 has - like the bridge section 3 or 4 - a rigid and a foldable roadway section 27 or 11 ⁇ with respect to the top, but with the side the rigid roadway section 27 is not ramp-like wedge-shaped, but is of a constant height.
  • a bridge or ramp section can be coupled again to the free end of the rigid part 20 with the carriageway section 27.
  • the foldable roadway section 11 ⁇ is folded in Fig. 8 and shown in Fig. 10 extended to its upper end position.
  • Fig. 9 shows the position of the road section 11 ⁇ in a central position in which it can be fixed. In this position, an extension ramp 21 can be coupled by appropriate devices.
  • the hydraulic cylinder 12 ' are articulated in the central region of the carriageway section 11', so that the bridge field to be supported is halved.
  • the bridge section 28 in the embodiment shown in FIG. 11 has - like the embodiment according to FIGS. 5 to 7 - two foldable roadway sections 31, 32, which, however, have a rigid, intermediate middle part 22 with a fixed roadway section 30 are interconnected, so that there are two joints 10 on the top of this bridge section 28.
  • This embodiment like that of FIG. 5, has the particular advantage that when using this bridge section as a ramp, the bridge section does not have to be rotated through 180 ° of the horizontal plane before laying.

Abstract

In a portable bridge having at least one section provided on the upper side with a roadway, the use of the sections as an independent bridge or as a bridge part (bridge section or element) is achieved by providing the bridge section (3, 4) with at least one articulation (10) having an axis running horizontally and perpendicularly to the bridge longitudinal direction and about which a roadway section (11) located in the end region of the bridge section can be pivoted. <IMAGE>

Description

Die Erfindung bezieht sich auf eine verlegbare Brücke, die wenigstens einen an der Oberseite mit einer Fahrbahn versehenen Brücken-Abschnitt aufweist, und auf ein Verlegesystem.The invention relates to a bridge which can be laid and which has at least one bridge section provided with a roadway on the top, and to a laying system.

Derartige Brücken, die meist als Pionierbrücken verwendet werden, werden in der Regel mit Hilfe eines mit einer Verlegereinrichtung versehenen Fahrzeugs über ein Hindernis (Fluß, Graben) geschoben und abgelegt, und in den meisten Fällen auch auf diesem Fahrzeug gleichzeitig transportiert. Die Brücken können - bezogen auf Ihre Längsrichtung - einteilig ausgebildet, d.h. aus nur einem einzigen Brücken-Abschnitt oder -Element bestehend, oder aus mehreren einzelnen Brücken-Abschnitten zusammengesetzt sein. Allen Brücken ist gemeinsam, daß an beiden Enden eine Rampe ausgebildet wird. Insbesondere bei den kürzeren Brücken dieser Art ergeben sich besondere Schwierigkeiten dadurch, daß nur eine bestimmte Brückenlänge auf einem Fahrzeug verladen werden kann, die dann am Einsatzort verfügbar ist, wobei oftmals nicht vorhersehbar ist, welche Brückenlänge gerade benötigt wird. So ist z.B. aus der EP-PS 0 093 873 eine aus zwei Rampenabschnitten zusammensetzbare Brücke bekannt, die auf einem Kraftfahrzeug transportiert wird und eine bestimmte Länge - in der Regel 26 m - aufweist. Andererseits wird in der DE-OS 33 20 633 ein Brückenlegegerät beschrieben, bei dem auf einem Fahrzeug zwei jeweils 12 Meter messende Kurzbrücken transportiert und durch dieses einzeln verlegt werden können. Ein Zusammensetzen der beiden Kurzbrücken zu einer Brücke von doppelter Länge ist nicht möglich.Such bridges, which are mostly used as pioneering bridges, are usually pushed and deposited over an obstacle (river, ditch) with the help of a vehicle provided with a laying device, and in most cases also transported on this vehicle at the same time. The bridges can - in relation to their longitudinal direction - be formed in one piece, ie consisting of only a single bridge section or element, or be composed of several individual bridge sections. All bridges have in common that a ramp is formed at both ends. Particularly with the shorter bridges of this type, particular difficulties arise from the fact that only a certain bridge length can be loaded onto a vehicle, which is then available at the place of use, it often being impossible to predict which bridge length is currently required. For example, EP-PS 0 093 873 discloses a bridge that can be assembled from two ramp sections and that is transported on a motor vehicle and has a certain length - generally 26 m. On the other hand, a bridge laying device is described in DE-OS 33 20 633, in which two short bridges measuring 12 meters each are transported and through on a vehicle this can be installed individually. It is not possible to assemble the two short bridges into a bridge of double length.

Der Erfindung liegt die Aufgabe zugrunde, hier Abhilfe zu schaffen und eine verlegbare Brücke der eingangs genannten Art so zu gestalten, daß insbesondere die auf einem Fahrzeug mitgeführten Brücken-Abschnitte den Bau von Brücken verschiedener Längen ermöglichen.The invention has for its object to remedy this situation and to design a relocatable bridge of the type mentioned in such a way that in particular the bridge sections carried on a vehicle enable the construction of bridges of different lengths.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Brücken-Abschnitt über seine ganze Länge mindestens einen festen Untergurt aufweist und mit mindestens einem eine horizontal und senkrecht zur Brückenlängsrichtung verlaufende Achse aufweisendem Gelenk versehen ist, um welches ein im Endbereich des Brücken-Abschnitts befindlicher Fahrbahn-Abschnitt schwenkbar ist. Die Fahrbahn und der Fahrbahn-Abschnitt, der nur einen Teil der Länge des Brücken-Abschnitts ausmacht, können einteilig oder - wie bei Pionierbrücken in der Regel vorgesehen - als zwei parallele Spurbahnen ausgebildet sein.This object is achieved according to the invention in that the bridge section has at least one fixed lower flange over its entire length and is provided with at least one joint having a horizontal and perpendicular axis to the longitudinal direction of the bridge, around which a roadway located in the end region of the bridge section is provided. Section is pivotable. The roadway and the roadway section, which only makes up part of the length of the bridge section, can be designed in one piece or, as is usually provided for pioneer bridges, as two parallel track tracks.

Die Erfindung ermöglicht eine Vielzahl von verschiedenen Ausbildungen der Brücken-Abschnitte und damit verbunden die Bildung einer größeren Anzahl von verschiedenen Brückenlängen unter Verwendung von wenigen Brücken-Abschnitten.The invention enables a large number of different configurations of the bridge sections and, associated therewith, the formation of a greater number of different bridge lengths using a few bridge sections.

Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben. Durch an dem Untergurt angeordnete Laufschienen kann der Brücken-Abschnitt auf einer Verlegeeinrichtung verfahren werden. Anstatt Laufschienen am Untergurt anzubringen, kann dieser auch in Form von Laufschienen ausgebildet sein.Advantageous developments of the invention are described in the subclaims. The bridge section can be moved on a laying device by running rails arranged on the lower flange. Instead of attaching rails to the lower flange, this can also be designed in the form of rails.

Eine besonders vorteilhafte Kontruktion für die neuen Brücken-Abschnitte ergibt sich weiterhin daraus, daß das Gelenk im Bereich der Oberseite der Fahrbahn angeordnet ist und daß dabei der Fahrbahnabschnitt mit mindestens einem Träger versehen ist. Der Träger kann dabei gleichzeitig die Seitenwände des Fahrbahnabschnitts bilden, so daß sich für den Querschnitt des Fahrbahnabschnitts eine tragfähige U-Form ergibt.A particularly advantageous construction for the new bridge sections also results from the fact that the joint is arranged in the region of the top of the carriageway and that the carriageway section is provided with at least one carrier. The carrier can simultaneously form the side walls of the carriageway section, so that there is a stable U-shape for the cross section of the carriageway section.

Der angelenkte Fahrbahn-Abschnitt soll vorzugsweise mindestens in seinen Endstellungen feststellbar sein, um die Brücke im Lastfall zu versteifen. Auftretende Schubspannungen können auf einfache Weise in Brückenlängsrichtung dadurch verteilt werden, daß die Feststellung in der unteren Stellung des Fahrbahn-Abschnitts durch den Eingriff einer Verzahnung gebildet ist.The articulated roadway section should preferably be lockable at least in its end positions in order to stiffen the bridge in the event of a load. Shear stresses that occur can be distributed in a simple manner in the longitudinal direction of the bridge in that the determination in the lower position of the roadway section is formed by the engagement of a toothing.

Als Verstelleinrichtungen eignen sich insbesondere Linear-Motore, vorzugsweise Hydrozylinder, die insbesondere auch zur Aufnahme größerer Lasten geeignet sind.Linear motors, preferably hydraulic cylinders, are particularly suitable as adjusting devices, which are also particularly suitable for absorbing larger loads.

Besonders geeignet für die Bildung von Kurzbrücken ist eine Ausführungsform, bei der der Brücken-­Abschnitt zwei rampenförmige Bereiche aufweist, von denen mindestens einer als schwenkbarer Fahrbahn-­Abschnitt ausgebildet ist. Hierbei ergeben sich besondere Vorteile, wenn zwei solcher Brücken-­Abschnitte übereinander auf einem Verlegefahrzeug verlastbar und mit hochgeschwenkten Fahrbahn-­Abschnitten an diesen miteinander koppelbar sind. Die verlasteten Brücken-Abschnitte können somit zwei Kurzbrücken bilden oder zu einer doppelt so langen Brücke zusammengesetzt werden.An embodiment is particularly suitable for the formation of short bridges, in which the bridge section has two ramp-shaped areas, at least one of which is designed as a pivotable roadway section. This has particular advantages if two such bridge sections can be loaded one above the other on a laying vehicle and can be coupled to one another with the roadway sections pivoted upwards. The loaded bridge sections can thus form two short bridges or be combined to form a bridge twice as long.

In der Zeichnung sind mehrere Ausführungsbeispiele der Erfindung schematisch dargestellt, die anschließend näher erläutert werden. Es zeigen:

  • Fig. 1 bis 3 einen Brückenleger des Typs, wie er in der EP-PS 0 093 873 offenbart ist, in drei verschiedenen Stellungen der verlasteten Brückenteile jeweils in Ansicht,
  • Fig. 4 eine solche aus zwei Abschnitten zusammengesetzte Brücke in Ansicht,
  • Fig. 5 eine andere Ausführungsform eines Brücken-Abschnitts in Ansicht,
  • Fig. 6 einen Schnitt nach der Linie VI-VI in Fig. 7,
  • Fig. 7 den Brücken-Abschnitt nach Fig.5 mit hochgeklappten Fahrbahn abschnitten,
  • Fig. 8 bis 10 eine weitere Ausführungsform eines Brückenabschnitts in drei verschiedenen Stellungen in Ansicht und
  • Fig. 11 - ebenfalls in Ansicht - ein erneut abgeändertes Ausführungsbeispiel einer neuen Brücke bzw. eines Brücken-­Abschnitts.
Several exemplary embodiments of the invention are shown schematically in the drawing and are explained in more detail below. Show it:
  • 1 to 3 a bridge layer of the type as disclosed in EP-PS 0 093 873, in three different positions of the loaded bridge parts, each in view,
  • 4 is a view of such a bridge composed of two sections,
  • 5 shows another embodiment of a bridge section in view,
  • 6 shows a section along the line VI-VI in FIG. 7,
  • 7 section the bridge section according to FIG. 5 with the roadway folded up,
  • 8 to 10 a further embodiment of a bridge section in three different positions in view and
  • Fig. 11 - also in view - another modified embodiment of a new bridge or a bridge section.

Wie aus Fig. 1 zu ersehen, trägt das an seinem hinteren Ende mit einer Verlegeeinrichtung 1 versehene Fahrzeug 2 zwei jeweils gleichgestaltete Brücken-Elemente oder -Abschnitte 3 und 4, die auf einem zum rückwärtigen Ende des Fahrzeugs 2 hin ausschiebbaren Rahmengestell 5 übereinanderliegen. Das Rahmengestell 5 trägt auch die Verlegeeinrichtung 1 und ist ferner an seinem freien Ende mit nach unten hin ausfahrbaren Bodenabstützelementen 6 versehen. Zum Verlegen der Brückenteile dient auch ein am vorderen Ende des Rahmengestells 5 angelenkter Hebel 7.As can be seen from FIG. 1, the vehicle 2 provided with a laying device 1 at its rear end carries two respectively identical bridge elements or sections 3 and 4, which lie one above the other on a frame 5 which can be pushed out towards the rear end of the vehicle 2. The frame 5 also carries the laying device 1 and is also provided at its free end with floor support elements 6 which can be extended downwards. A lever 7 hinged to the front end of the frame 5 also serves to lay the bridge parts.

Die Brücken-Abschnitte 3 und 4 bestehen in bekannter Weise jeweils aus zwei parallel verlaufenden Spurbahnen, die über Mittelstreben oder Querstreben 23 miteinander verbunden sind. Jede Spurbahn weist zwei über die ganze Länge reichende Untergurte 8 auf, an die sich bei dem Ausführungsbeispiel nach Fig. 4 nach oben hin jeweils eine senkrechte dreieckförmige Seitenwand 9 anschließt. Im Bereich der Spitze dieses nach oben weisenden Dreiecks ist ein Gelenk 10 angeordnet, welches eine horizontal und senkrecht zur Brückenlängsrichtung verlaufende Achse aufweist. Um das Gelenk 10 schwenkbar ist an jedem Brücken-Abschnitt 3, 4 ein Fahrbahn-Abschnitt 11, der ebenfalls wieder aus zwei parallelen Spurbahnen besteht, angelenkt. Zwischen der Achse des Gelenks 10 und dem dem schwenkbaren Fahrbahn-Abschnitt 11 gegenüberliegenden Ende des Brücken-Abschnitts 3 bzw. 4 ist - für jede Spurbahn getrennt - ein schräger Fahrbahn-Abschnitt 25 fest angeordnet.The bridge sections 3 and 4 each consist, in a known manner, of two parallel track tracks which are connected to one another via central struts or cross struts 23. Each track has two lower chords 8 extending over the entire length, to which a vertical triangular side wall 9 is connected at the top in the exemplary embodiment according to FIG. 4. In the area of the tip of this upward-pointing triangle, a joint 10 is arranged, which has an axis running horizontally and perpendicularly to the longitudinal direction of the bridge. A roadway section 11, which again consists of two parallel track tracks, is articulated on each bridge section 3, 4 so as to be pivotable about the joint 10. Between the axis of the joint 10 and the end of the bridge section 3 or 4 opposite the pivotable carriageway section 11, an inclined carriageway section 25 is fixedly arranged for each track track.

Jedem Untergurt 8 ist ein Hydraulikzylinder 12 zugeordnet, der mit seinem ausfahrbaren Ende jeweils am Ende des Fahrbahn-Abschnitts 11 in einem Punkt 13 und mit seinem anderen Ende im Bereich des Untergurts in einem Punkt 14 angelenkt ist.Each lower flange 8 is assigned a hydraulic cylinder 12, which is articulated with its extendable end at a point 13 at the end of the carriageway section 11 and with its other end in the region of the lower flange at a point 14.

Im verladenen Zustand der Brücken-Abschnitte 3, 4 sind die Hydraulikzylinder 12 soweit ausgefahren, daß der feste Fahrbahn-Abschnitt 25 mit dem jeweiligen schwenkbaren Fahrbahn-Abschnitt 11 jeweils in einer Ebene liegt (vgl. Fig. 1 und 2). In diesem Zustand sind zwei fertige Brücken-Abschnitte 3, 4 gebildet, die mittels der Verlegereinrichtung 1 auf dem Fahrzeug 2 verfahren und zu einer langen Brücke zusammengesetzt werden können, wie aus Fig. 2 hervorgeht.In the loaded state of the bridge sections 3, 4, the hydraulic cylinders 12 are extended so far that the fixed carriageway section 25 with the respective pivotable carriageway section 11 lies in one plane (see FIGS. 1 and 2). In this state, two finished bridge sections 3, 4 are formed, which move on the vehicle 2 by means of the laying device 1 and can be assembled to form a long bridge, as can be seen from FIG. 2.

Zum Feststellen der beweglichen Fahrbahn-Abschnitte 11 in ihrer oberen Endstellung und damit zum Versteifen einer aus zwei solcher Brücken-Abschnitte 3, 4 zusammengesetzten Brücke werden die auch an den beweglichen Fahrbahn-Abschnitten 11 angelenkten Rampenplatten 33 nach unten geklappt und gegen den Untergurt 8 abgestützt.In order to fix the movable carriageway sections 11 in their upper end position and thus to stiffen a bridge composed of two such bridge sections 3, 4, the ramp plates 33, which are also articulated on the movable carriageway sections 11, are folded down and supported against the lower flange 8 .

Die Brücke wird mittels der Verlegereinrichtung 1 nach Ausfahren des Rahmengestells 5 in bekannter Weise verlegt. Die Untergurte 8 und die freien Enden der Fahrbahn- Abschnitte 11 weisen zum Koppeln der Brücken-­Abschnitte 3 und 4 jeweils die bekannten Kopplungs-Elemente auf.The bridge is moved in a known manner by means of the laying device 1 after the frame 5 has been extended. The lower straps 8 and the free ends of the road sections 11 each have the known coupling elements for coupling the bridge sections 3 and 4.

Fig. 3 zeigt die alternative Verlegemöglichkeit von zwei Kurzbrücken, die dementsprechend die halbe Länge aufweisen und einzeln durch die Verlegereinrichtung 1 verlegt werden können. Für den Verlegevorgang braucht das Rahmengestell 5 wegen des geringeren Gewichts der Kurzbrücken nicht ausgefahren zu werden. Die Kurzbrücken werden in einfacher Weise durch Einfahren der Hydraulikzylinder 12 hergestellt. Dabei werden die Fahrbahn-Abschnitte 11 abgesenkt und kommen mit ihren äußeren Längskanten auf den Seitenwänden 9 zur Anlage. Dabei sind an den Seitenwänden 9 und an den Fahrbahn-Abschnitten 11 Verzahnungen 24 bzw. 24′ vorgesehen, wie sie in Fig. 4 angedeutet sind, um Schubkräfte besser auf die Länge des jeweiligen Fahrbahn-Abschnitts 11 zu verteilen bzw. in die Seitenwände 9 einzuleiten. In Fig. 4 sind ferner die Kopplungselemente 15 für die Untergurte 8 und die Kopplungselemente 16 für die Fahrbahn-Abschnitte 11 angedeutet. Die Mittelstreben 23 zum Verbinden der beiden Spurbahnen sind mit den Seitenwänden 9 verbunden.3 shows the alternative possibility of laying two short bridges, which accordingly have half the length and can be laid individually by the laying device 1. For the laying process, the frame 5 does not need to be extended due to the lower weight of the short bridges. The short bridges are produced in a simple manner by retracting the hydraulic cylinders 12. The road sections 11 are lowered and come to rest with their outer longitudinal edges on the side walls 9. Here are on the side walls 9 and Roadway sections 11 toothing 24 and 24 'provided, as indicated in Fig. 4, to better distribute thrust forces over the length of the respective roadway section 11 or to initiate in the side walls 9. 4, the coupling elements 15 for the lower chords 8 and the coupling elements 16 for the roadway sections 11 are indicated. The central struts 23 for connecting the two track tracks are connected to the side walls 9.

Fig. 5 zeigt einen Brücken-Abschnitt 3′, dessen Oberseite aus zwei aneinander anschließenden Fahrbahn-Abschnitten 11′ gebildet ist, die beide um ein Gelenk 10 schwenkbar sind, das sich oben an einer am Untergurt 8 befestigten Stütze 17 befindet. Das Gelenk 10 wird ferner durch eine Abspannung 18 in seiner Lage stabilisiert. Die Fahrbahn-Abschnitte 11′ weisen zur Verstärkung Träger 19 auf, die gleichzeitig die Seitenwand des Fahrbahn-Abschnitts bzw. der jeweiligen Spurbahn des Fahrbahn-Abschnitts bilden können. Die eine Dreieckform aufweisenden Träger 19 können im zusammengeklappten Zustand im Bereich des Gelenks 10 aneinanderliegen und mit ihren unteren Kanten auf den Untergurten 8 aufliegen. Wie aus Fig. 7 erkennbar, bilden die Träger 19 Unterstützungen, die die Fahrbahn-Abschnitte 11′ biegesteif gestalten. Die Hydraulikzylinder 12 sind, wie es Fig. 6 zeigt, an den - bezogen auf die Spurbahnen - Innenseiten der Untergurte 8 angelenkt. Diese Ausführungsform kann als fertige Brücke (Fig. 5), als Brücken-Abschnitt mit gleicher durchgehender Höhe (Fig. 7) sowie auch als Rampen-Abschnitt eingesetzt werden, wenn ein Fahrbahn-Abschnitt 11′ aufgeklappt und der andere eingeklappt ist.Fig. 5 shows a bridge section 3 ', the top of which is formed from two adjoining road sections 11', both of which can be pivoted about a joint 10, which is located at the top on a lower flange 8 support 17. The joint 10 is further stabilized in its position by a guy 18. The lane sections 11 'have reinforcement 19 for reinforcement, which can simultaneously form the side wall of the lane section or the respective track of the lane section. The carriers 19, which have a triangular shape, can lie against one another in the region of the joint 10 in the folded state and rest with their lower edges on the lower straps 8. As can be seen from Fig. 7, the carrier 19 form supports that make the road sections 11 'rigid. The hydraulic cylinders 12 are, as shown in FIG. 6, articulated on the inside of the lower straps 8 with respect to the track tracks. This embodiment can be used as a finished bridge (Fig. 5), as a bridge section with the same continuous height (Fig. 7) and also as a ramp section when a road section 11 'is opened and the other is folded.

Aus Fig. 6 ist weiter ersichtlich, daß (dies gilt auch für die übrigen Ausführungsbeispiele) die innen angeordneten Untergurte 8 zu U-förmigen Laufschienen 34 erweitert sind. An der Verlegeeinrichtung 1 sind Gruppen von Laufrollen 35 angeordnet, von denen in den Fig. 1 und 3 lediglich deren Haupt- oder Mittelachse 36 angedeutet ist. Die Laufrollen 35 greifen in die Laufschienen 34 ein und ermöglichen ein Verschieben bzw. Verfahren der Brücken-Abschnitte 3, 4 auf der Verlegeeinrichtung 1.From Fig. 6 it can also be seen that (this also applies to the other exemplary embodiments) the lower chords 8 arranged on the inside are expanded to form U-shaped running rails 34. Groups of rollers 35 are arranged on the laying device 1, of which only the main or central axis 36 is indicated in FIGS. 1 and 3. The running rollers 35 engage in the running rails 34 and enable the bridge sections 3, 4 to be moved or moved on the laying device 1.

Der in den Fig. 8 bis 10 schematisch dargestellte Brücken-Abschnitt 26 weist - wie der Brücken-Abschnitt 3 oder 4 - im Hinblick auf die Oberseite einen starren und einen klappbaren Fahrbahn-Abschnitt 27 bzw. 11˝ auf, wobei jedoch die Seite mit dem starren Fahrbahn-Abschnitt 27 nicht rampenartig keilförmig, sondern mit gleichbleibender Höhe ausgebildet ist. An das freie Ende des starren Teils 20 mit dem Fahrbahn-Abschnitt 27 kann wieder ein Brücken- oder Rampen-Abschnitt angekuppelt werden. Der klappbare Fahrbahn-Abschnitt 11˝ ist in Fig. 8 eingeklappt und in Fig. 10 bis in seine obere Endstellung ausgeklappt gezeigt. Fig. 9 zeigt die Lage des Fahrbahn- Abschnitts 11˝ in einer Mittelstellung, in der er festsetzbar ist. In dieser Stellung kann durch entsprechende Einrichtungen eine Verlängerungs- Rampe 21 angekuppelt werden. Die Hydraulikzylinder 12′ sind im mittleren Bereich des Fahrbahn- Abschnitts 11˝ an diesem angelenkt, so daß das zu unterstützende Brückenfeld halbiert wird.The bridge section 26 shown schematically in FIGS. 8 to 10 has - like the bridge section 3 or 4 - a rigid and a foldable roadway section 27 or 11˝ with respect to the top, but with the side the rigid roadway section 27 is not ramp-like wedge-shaped, but is of a constant height. A bridge or ramp section can be coupled again to the free end of the rigid part 20 with the carriageway section 27. The foldable roadway section 11˝ is folded in Fig. 8 and shown in Fig. 10 extended to its upper end position. Fig. 9 shows the position of the road section 11˝ in a central position in which it can be fixed. In this position, an extension ramp 21 can be coupled by appropriate devices. The hydraulic cylinder 12 'are articulated in the central region of the carriageway section 11', so that the bridge field to be supported is halved.

Der Brücken-Abschnitt 28 in der in Fig. 11 gezeigten Ausführungsform weist - wie die Ausbildung nach Fig. 5 bis 7 - zwei klappbare Fahrbahn-Abschnitte 31, 32 auf, die jedoch über ein starres, zwischengeschaltetes Mittelteil 22 mit festem Fahrbahn-Abschnitt 30 miteinander verbunden sind, so daß sich an der Oberseite dieses Brücken-Abschnitts 28 zwei Gelenke 10 ergeben. Diese Ausführungsform weist, wie die nach Fig. 5, insbesondere den Vorteil auf, daß bei Verwendung dieses Brücken-Abschnitts als Rampe der Brücken-­Abschnitt vor dem Verlegen nicht erst um 180° der horizontalen Ebene gedreht werden muß.The bridge section 28 in the embodiment shown in FIG. 11 has - like the embodiment according to FIGS. 5 to 7 - two foldable roadway sections 31, 32, which, however, have a rigid, intermediate middle part 22 with a fixed roadway section 30 are interconnected, so that there are two joints 10 on the top of this bridge section 28. This embodiment, like that of FIG. 5, has the particular advantage that when using this bridge section as a ramp, the bridge section does not have to be rotated through 180 ° of the horizontal plane before laying.

Claims (11)

1. Verlegbare Brücke, die wenigstens einen an der Oberseite mit einer Fahrbahn versehenen Brücken-­Abschnitt aufweist,
dadurch gekennzeichnet,
daß der Brücken-Abschnitt (3, 4; 3′; 26; 28) über seine ganze Länge mindestens einen festen Untergurt (8) aufweist und mit mindestens einem eine horizontal und senkrecht zur Brückenlängsrichtung verlaufenden Achse aufweisendem Gelenk (10) versehen ist, um welches ein im Endbereich des Brücken-Abschnitts befindlicher Fahrbahn-Abschnitt (11; 11′; 11˝; 31) schwenkbar ist.1. Layable bridge, which has at least one bridge section provided with a roadway on the upper side,
characterized,
that the bridge section (3, 4; 3 ';26; 28) has at least one fixed lower flange (8) over its entire length and is provided with at least one joint (10) having a horizontal and perpendicular to the longitudinal axis of the bridge to which is in the end region of the bridge section roadway section (11; 11 ';11˝; 31) is pivotable. 2. Brücke nach Anspruch 1, dadurch gekennzeichnet, daß an dem Untergurt (8) Laufschienen (34) angeordnet sind.2. Bridge according to claim 1, characterized in that running rails (34) are arranged on the lower flange (8). 3. Brücke nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Gelenk (10) im Bereich der Oberseite der Fahrbahn angeordnet ist.3. Bridge according to claim 1 or 2, characterized in that the joint (10) is arranged in the region of the top of the carriageway. 4. Brücke nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Fahrbahn-Abschnitt (11; 11′; 11˝; 31) mit mindestens einem Träger (19) versehen ist.4. Bridge according to one of claims 1 to 3, characterized in that the roadway section (11; 11 '; 11˝; 31) is provided with at least one carrier (19). 5. Brücke nach Anspruch 4, dadurch gekennzeichnet, daß der Träger (19) mindestens eine Seitenwand des Fahrbahn-Abschnitts (11; 11′; 11˝; 31) bildet.5. Bridge according to claim 4, characterized in that the carrier (19) forms at least one side wall of the carriageway section (11; 11 '; 11˝; 31). 6. Brücke nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Fahrbahn-­Abschnitt (11; 11′; 11˝; 31) mindestens in seinen Endstellungen feststellbar ist.6. Bridge according to one of the preceding claims, characterized in that the carriageway section (11; 11 ';11˝; 31) can be determined at least in its end positions. 7. Brücke nach Anspruch 6, dadurch gekennzeichnet, daß die Feststellung des schwenkbaren Fahrbahn-Abschnitts (11; 11′; 11˝; 31) in seiner unteren Stellung durch den Eingriff einer Verzahnung (24, 24′) gebildet ist.7. Bridge according to claim 6, characterized in that the detection of the pivotable roadway section (11; 11 '; 11˝; 31) is formed in its lower position by the engagement of a toothing (24, 24'). 8. Brücke nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als Verstelleinrichtung zum Schwenken des Fahrbahn-Abschnitts (11; 11′; 11˝; 31) mindestens ein Linear-Motor, vorzugsweise ein Hydrozylinder (12), verwendet wird.8. Bridge according to one of the preceding claims, characterized in that at least one linear motor, preferably a hydraulic cylinder (12), is used as the adjusting device for pivoting the roadway section (11; 11 '; 11˝; 31). 9. Brücke nach Anspruch 8, dadurch gekennzeichnet, daß der Linear-Motor (12) im Bereich des freien Endes des Fahrbahn-Abschnitts (11; 11′) an diesem gelenkig angreift.9. Bridge according to claim 8, characterized in that the linear motor (12) in the region of the free end of the carriageway section (11; 11 ') articulates on this. 10. Brücke nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Brücken-Abschnitt (3, 4; 3′) zwei rampenförmige Endbereiche aufweist, von denen mindestens einer als schwenkbarer Fahrbahn-­Abschnitt (11; 11′) ausgebildet ist.10. Bridge according to one of claims 1 to 9, characterized in that the bridge section (3, 4; 3 ') has two ramp-shaped end regions, of which at least one is designed as a pivotable carriageway section (11; 11'). 11. Verlegesystem für eine Brücke nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß zwei Brücken-Abschnitte (3, 4) übereinander auf einem Verlegefahrzeug (2) verlastbar und mit hochgeschwenkten Fahrbahn-Abschnitten (11) an diesen miteinander koppelbar sind.11. Laying system for a bridge according to one of claims 1 to 10, characterized in that two bridge sections (3, 4) one above the other on a laying vehicle (2) can be loaded and can be coupled to one another with the roadway sections (11) pivoted upwards.
EP90105406A 1989-04-07 1990-03-22 Portable bridge and system for placing the bridge Expired - Lifetime EP0391149B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90105406T ATE90127T1 (en) 1989-04-07 1990-03-22 DEPLOYABLE BRIDGE AND SYSTEM FOR DEPLOYING THE BRIDGE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3911266 1989-04-07
DE3911266A DE3911266A1 (en) 1989-04-07 1989-04-07 LAYABLE BRIDGE AND SYSTEM FOR LAYING THE BRIDGE

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EP0391149A2 true EP0391149A2 (en) 1990-10-10
EP0391149A3 EP0391149A3 (en) 1990-12-05
EP0391149B1 EP0391149B1 (en) 1993-06-02
EP0391149B2 EP0391149B2 (en) 1996-02-28

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ID=6378064

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EP90105406A Expired - Lifetime EP0391149B2 (en) 1989-04-07 1990-03-22 Portable bridge and system for placing the bridge

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US (1) US5063630A (en)
EP (1) EP0391149B2 (en)
AT (1) ATE90127T1 (en)
DE (2) DE3911266A1 (en)
ES (1) ES2041066T3 (en)

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EP0612886A1 (en) * 1993-02-25 1994-08-31 Krupp Fördertechnik GmbH Portable bridge and device for placing the bridge
EP0640722A1 (en) * 1993-08-31 1995-03-01 Krupp Fördertechnik GmbH Portable bridge
EP0640723A1 (en) * 1993-08-31 1995-03-01 Krupp Fördertechnik GmbH Portable bridge
EP0916769A1 (en) * 1997-11-14 1999-05-19 EWK Eisenwerke Kaiserslautern GmbH Bridge element for making portable bridges with a laying vehicle
EP1262600A2 (en) 2001-06-02 2002-12-04 EWK Eisenwerke Kaiserslautern GmbH Rapid construction system for military bridges

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DE102004049969B8 (en) * 2004-10-14 2006-03-23 Military Mobile Bridges Gmbh Modular scissor bridge and installation device and method for laying collapsible bridges
DE102006042251A1 (en) * 2006-09-08 2008-03-27 General Dynamics Santa Bárbara Sistemas GmbH bridge element
DE102007041579B4 (en) 2007-09-01 2009-07-30 General Dynamics Santa Bárbara Sistemas GmbH Hitch for transporting and laying military bridges
US20100281635A1 (en) * 2009-05-05 2010-11-11 Tactical & Rescue Gear, Ltd. Connection assembly for a modular footbridge
DE202009015857U1 (en) 2009-11-19 2010-03-25 General Dynamics European Land Systems-Germany Gmbh Attachment for laying military bridges
DE102010055574B4 (en) 2010-12-21 2012-08-09 General Dynamics European Land Systems-Germany Gmbh Modular bridge element
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EP0640722A1 (en) * 1993-08-31 1995-03-01 Krupp Fördertechnik GmbH Portable bridge
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EP1262600A2 (en) 2001-06-02 2002-12-04 EWK Eisenwerke Kaiserslautern GmbH Rapid construction system for military bridges

Also Published As

Publication number Publication date
DE3911266A1 (en) 1990-10-11
EP0391149B1 (en) 1993-06-02
ATE90127T1 (en) 1993-06-15
DE59001588D1 (en) 1993-07-08
US5063630A (en) 1991-11-12
ES2041066T3 (en) 1993-11-01
EP0391149A3 (en) 1990-12-05
EP0391149B2 (en) 1996-02-28

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