EP0442956B1 - Vehicle for laying dismountable bridges - Google Patents

Vehicle for laying dismountable bridges Download PDF

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Publication number
EP0442956B1
EP0442956B1 EP89913112A EP89913112A EP0442956B1 EP 0442956 B1 EP0442956 B1 EP 0442956B1 EP 89913112 A EP89913112 A EP 89913112A EP 89913112 A EP89913112 A EP 89913112A EP 0442956 B1 EP0442956 B1 EP 0442956B1
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EP
European Patent Office
Prior art keywords
bridge
vehicle
laying
sections
take
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP89913112A
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German (de)
French (fr)
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EP0442956A1 (en
Inventor
Hans Norbert Wiedeck
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Krupp Industietechnik GmbH
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Krupp Industietechnik GmbH
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Publication of EP0442956A1 publication Critical patent/EP0442956A1/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00Movable or portable bridges; Floating bridges
    • E01D15/12Portable or sectional bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00Movable or portable bridges; Floating bridges
    • E01D15/12Portable or sectional bridges
    • E01D15/127Portable 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 vehicle for laying collapsible bridges of the type according to the preamble of claim 1.
  • Such a vehicle is previously known from DE-A-29 29 208.
  • This vehicle has at its front end a laying device for moving and depositing the bridge assembled on the vehicle and at its rear a receiving device designed as a swivel arm, each of which has a bridge section from a bridge transport vehicle and attaches to the already assembled bridge parts. So that the supplied bridge section does not have to be fed aligned with the already assembled bridge part, the receiving device has a turntable mounted on the vehicle. To couple the supplied bridge section to the preceding one, the receiving device is furthermore arranged to be longitudinally displaceable on the vehicle.
  • the number of bridge sections which can be coupled to the known vehicle and which determines the length of the bridges is limited by the fact that the composite bridge sections projecting on one side of the vehicle produce a tilting moment which exceeds the stationary torque of the vehicle relatively quickly.
  • the invention has for its object to design a vehicle of the type mentioned above, that it enables the assembly of a considerably longer bridge.
  • the solution to the problem consists in the features of the characterizing part of claim 1.
  • the new design of the vehicle means that bridges of much greater length can be assembled without the vehicle having to be heavier or equipped with special support devices. An almost symmetrical assembly of the bridge is made possible from the center of the vehicle, so that a tilting moment around the center of the vehicle can be completely eliminated, or at least kept low, during assembly.
  • the vehicle is normally equipped with a traction drive and can be a tracked or wheeled vehicle, whereby special versions such as the motor vehicle provided with a sliding frame come into consideration according to EP-A-00 93 873.
  • the vehicle is also preferably used at the same time in a known manner for transporting bridge parts, primarily the two ramp sections of a dismantled fixed bridge, which then form the shortest bridge unit, which can be extended as required by additional bridge sections within the load-bearing capacity of the vehicle is.
  • the vehicle 1 shown in FIG. 1 has at its front end a cantilevered laying device 2 which can be pivoted about a horizontal axis known way for picking up, moving and dropping the bridge.
  • the rear end of the vehicle 1 is provided with a cantilever pick-up device 3, which has four support rollers 4 and 5 lying coaxially in pairs and in a horizontal plane in the normal position.
  • a positioning device 6 on the vehicle 1 near its end which has two coaxially mounted horizontally displaceable support rollers 8 each provided with an outer flange 7 (FIG. 4).
  • a positioning device 6 ′ designed in the same way is arranged on the laying device 2.
  • Fig. 1 it can be seen that one of the two ramp sections, which is designated by 10, is held by the receiving device 3, while the other ramp section 11 of the bridge to the ramp section 10 is held in alignment by the laying device 2.
  • the gap between the ramp and bridge section after insertion is about 20 cm each.
  • the bridge section 12 inserted by means of a vehicle or a crane lies on both ends of the positioning devices 6 and 6 'in such a way that all three sections are aligned with one another on their undersides.
  • the ramp section 11 is displaced in the direction of the bridge section 12 by the displacement drive of the laying device 2 for coupling. If necessary, the bridge section can be used for this purpose to be temporarily fixed. After coupling, the mutually coupled sections 11 and 12 are pushed outwards by the laying device 2 until the position shown in FIG.
  • FIG. 5 f shows the assembled bridge in a position which is displaced to the rear with respect to the direction of installation, with a front-end support 15 displaced in the bridge being pushed forward. Pushing the stem support and pushing the bridge back takes place at the same time in such a way that the resulting tilting moments are at least approximately balanced.
  • the stem carrier which is divided into sections of the same length as the bridge sections, is mounted in the bridge so as to be longitudinally displaceable, as is shown in FIG. 7.
  • 5 a shows the vehicle 1 in the transport state, the two ramp sections 10 and 11 being stacked one above the other. From this position, they are moved apart in a known manner so that their undersides are flush with one another and then brought into the position shown in FIG. 5b.
  • a wheeled vehicle 1 'provided with a sliding frame 16 is used, which in the transport state (FIG. 6 a) likewise again carries two ramp sections stacked one above the other.
  • the sliding frame 16 After the sliding frame 16 has been extended beyond the rear end of the wheeled vehicle 1 ', the sliding frame is supported at the free end by an extendable support 17 on the ground.
  • the still protruding laying device 2 ' which, as shown in FIG. 6 c, carries one of the ramp sections in the extended state.
  • the other ramp section is extended towards the opposite end and is held by the receiving device 3 'and supported on the roof of the driver's cab via a roller guide, whereby the receiving device 3' is relieved.
  • the receiving device 3 ' is arranged in a projecting manner on the vehicle-side end of the sliding frame 16 and is located above the driver's cab of the vehicle 1' when the sliding frame 16 is retracted.
  • the assembly stage shown in FIG. 6 c corresponds to that according to FIG. 5 b.
  • the subsequent assembly of the bridge takes place in the same order as described for FIG. 5.
  • the coupling of the bridge sections is carried out by pivoting the laying device 2 'up to the aligned position of the bridge sections, the couplings being designed accordingly.
  • FIG. 6 g shows the stem support 15 'extended to the other side of the bank and FIG. 6 h shows the bridge completely deposited over the obstacle with the aid of the laying device 2'.
  • the stem beam 15 ' remains in the bridge and, since it has the same length as the bridge, enables the bridge to be taken up and dismantled from the opposite side and from the opposite side in reverse order.
  • the ramp sections (FIG. 6 a) transported by the vehicle 1 ' are longer than the bridge sections used for the bridge extension by means of a mobile crane.
  • the length of the bridge or ramp sections can be freely selected according to the respective requirements, but is primarily based on the transport capacity of the vehicles used for the transport.
  • the width of the bridge is usually around 4 m.
  • the support rollers 4 and 5 of the receiving device 3 engage in track carriers 18 provided with U-shaped recesses, which form the inner lower belts of the U-shaped track tracks of the bridge sections.
  • the idler rollers 4 are axially adjustable by a drive 19 and can thus be disengaged and engaged with respect to the track carriers 18. This facilitates the insertion of the ramp section 10 into the receiving device 3.
  • the receiving device 3 also has a drive 20 which acts on two pinions 21 which are arranged coaxially with the support rollers 5, which likewise engage in the track carriers 18.
  • the pinions 21 engage in toothed racks 22 which are arranged facing one another on the inner sides of the track carriers 18, so that the drive 20 brings about the longitudinal displacement of the bridge sections, which may be coupled to one another.
  • a corresponding drive has in a known manner the laying device 2.
  • the support rollers 8 shown in FIG. 4 and belonging to the positioning device 6 are each provided with a drive which causes them to be displaceable in the axial direction. This makes it possible for the two support rollers 8, which are initially positioned at a greater distance from one another, to be moved into the desired, i.e. aligned with the other bridge sections.
  • the positioning device 6 ′ arranged on the laying device 2 is designed in the same way for the same purpose.
  • FIG. 7 shows a stem support section 15 'arranged in the middle in a bridge section 23.
  • the design of this stem support is described in DE-A-36 28 273.
  • Carrying rollers 4 belonging to the receiving device 3 also engage in track carriers 18 ′ of the bridge section 23.
  • the stem support 15 ' is mounted so as to be longitudinally displaceable in the bridge section via guide rollers 24.
  • a drive 25 arranged on the laying device 2 or the receiving device 3 alternatively enables the displacement of the bridge section or the stem support.
  • the receiving device 3 only needs to be designed so that it is able to carry half the number of the maximum intended bridge sections of the finished bridge.
  • the receiving device In the event that the receiving device is to serve as a laying device at the same time, it must of course also be designed and designed accordingly.
  • the vehicle is even more versatile: For example, the bridge can be taken up again from the other side without turning the vehicle.
  • correspondingly shorter bridge sections can also be inserted, which are already coupled to one another beforehand, without any change being necessary. If significantly shorter bridge sections are to be inserted individually, the positioning devices are to be arranged at a correspondingly shorter distance from one another or at least one additional positioning device is to be used.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Bridges Or Land Bridges (AREA)
  • Road Paving Structures (AREA)

Abstract

Long, dismountable bridges can be assembled using a single vehicle. A bridge, which can be assembled on the vehicle (1), is moved and set down by a laying device (2) located at one end of the vehicle (1). Bridge sections (10, 11, 12) are supported on a pick-up device (3) arranged at a distance from the laying device (2) in the longitudinal direction of the vehicle and can be moved by the pick-up device (3) at the same height and in the same direction as the laying device (2). To this end, the vehicle (1) is designed so that when the bridge sections are coupled, the cantilevered pick-up device (3) holds at least half of the maximum number of bridge sections provided, and the distance between the laying device (2) and the pick-up device (3) is such that at least one bridge section can be inserted between the bridge parts supported by the laying device (2) and the pick-up device (3).

Description

Die Erfindung bezieht sich auf ein Fahrzeug zum Verlegen zerlegbarer Brücken der Art nach dem Oberbegriff des Anspruchs 1.The invention relates to a vehicle for laying collapsible bridges of the type according to the preamble of claim 1.

Ein solches Fahrzeug ist vorbekannt aus der DE-A-29 29 208. Dieses Fahrzeug weist an seinem vorderen Ende eine Verlegeeinrichtung zum Verschieben und Ablegen der auf dem Fahrzeug zusammengesetzten Brücke und an seinem Heck eine als Schwenkarm ausgebildete Aufnahmevorrichtung auf, die jeweils einen Brückenabschnitt von einem Brückentransportfahrzeug aufnimmt und an die bereits zusammengefügten Brückenteile anfügt. Damit der zugeführte Brückenabschnitt nicht gegenüber dem bereits zusammengesetzten Brückenteil ausgerichtet zugeführt werden muß, weist die Aufnahmevorrichtung einen auf dem Fahrzeug gelagerten Drehkranz auf. Zum Koppeln des zugeführten Brückenabschnitts an den vorhergehenden ist die Aufnahmevorrichtung ferner längsverschieblich auf dem Fahrzeug angeordnet. Die Anzahl der mit dem bekannten Fahrzeug zusammenkoppelbaren Brückenabschnitte, welche die Länge der Brücken bestimmt, ist dadurch begrenzt, daß die an einer Seite des Fahrzeugs vorkragenden zusammengesetzten Brückenabschnitte verhältnismäßig schnell ein das Standmoment des Fahrzeugs übersteigendes Kippmoment erzeugen.Such a vehicle is previously known from DE-A-29 29 208. This vehicle has at its front end a laying device for moving and depositing the bridge assembled on the vehicle and at its rear a receiving device designed as a swivel arm, each of which has a bridge section from a bridge transport vehicle and attaches to the already assembled bridge parts. So that the supplied bridge section does not have to be fed aligned with the already assembled bridge part, the receiving device has a turntable mounted on the vehicle. To couple the supplied bridge section to the preceding one, the receiving device is furthermore arranged to be longitudinally displaceable on the vehicle. The number of bridge sections which can be coupled to the known vehicle and which determines the length of the bridges is limited by the fact that the composite bridge sections projecting on one side of the vehicle produce a tilting moment which exceeds the stationary torque of the vehicle relatively quickly.

Der Erfindung liegt die Aufgabe zugrunde, ein Fahrzeug der eingangs genannten Art so auszubilden, daß mit ihm der Zusammenbau einer erheblich längeren Brücke ermöglicht wird. Die Lösung der Aufgabe besteht in den Merkmalen des kennzeichnenden Teils des Anspruchs 1.The invention has for its object to design a vehicle of the type mentioned above, that it enables the assembly of a considerably longer bridge. The solution to the problem consists in the features of the characterizing part of claim 1.

Durch die neue Ausbildung des Fahrzeugs wird der Zusammenbau von Brücken von wesentlich größerer Länge erzielt, ohne daß das Fahrzeug schwerer ausgebildet oder mit besonderen Stützvorrichtungen ausgerüstet werden muß. Es wird ein nahezu symmetrischer Zusammenbau der Brücke von der Fahrzeugmitte aus ermöglicht, so daß beim Zusammenbau ein Kippmoment um die Fahrzeugmitte vollkommen ausgeschaltet, zumindest aber gering gehalten werden kann.The new design of the vehicle means that bridges of much greater length can be assembled without the vehicle having to be heavier or equipped with special support devices. An almost symmetrical assembly of the bridge is made possible from the center of the vehicle, so that a tilting moment around the center of the vehicle can be completely eliminated, or at least kept low, during assembly.

Das Fahrzeug ist im Normalfall mit einem Fahrantrieb ausgerüstet und kann ein Ketten- oder Radfahrzeug sein, wobei Sonderausführungen wie z.B. das mit einem Schieberahmen versehene Kraft-fahrzeug nach der EP-A- 00 93 873 in Betracht kommen.The vehicle is normally equipped with a traction drive and can be a tracked or wheeled vehicle, whereby special versions such as the motor vehicle provided with a sliding frame come into consideration according to EP-A-00 93 873.

Das Fahrzeug dient ferner vorzugsweise gleichzeitig in bekannter Weise zum Transportieren von Brückenteilen, wobei in erster Linie die beiden Rampenabschnitte einer zerlegbaren Festbrücke in Betracht kommen, die dann die kürzeste Brückeneinheit bilden, die im Bedarfsfall durch einsetzbare weitere Brückenabschnitte im Rahmen der Tragfähigkeit des Fahrzeugs beliebig verlängerbar ist.The vehicle is also preferably used at the same time in a known manner for transporting bridge parts, primarily the two ramp sections of a dismantled fixed bridge, which then form the shortest bridge unit, which can be extended as required by additional bridge sections within the load-bearing capacity of the vehicle is.

Der Transport noch weiterer Brückenabschnitte mit dem Fahrzeug richtet sich vor allem nach den jeweils möglichen bzw. zugelassenen Außenabmessungen. Für Brücken mit gleichlangen Brückenabschnitten weisen diese in der Regel eine Länge von 6 bis 8 m auf, so daß dementsprechend der Abstand zwischen der Verlegeeinrichtung und der Aufnahmevorrichtung gewählt wird.The transport of still further bridge sections with the vehicle depends primarily on the respectively possible or approved external dimensions. For bridges with bridge sections of the same length, they usually have one Length of 6 to 8 m, so that the distance between the laying device and the receiving device is selected accordingly.

Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.

Ausführungsbeispiele der Erfindung sind in der Zeichnung schematisch dargestellt und nachfolgend anhand dieser näher erläutert.Embodiments of the invention are shown schematically in the drawing and explained in more detail below with reference to this.

Es zeigen

Fig. 1
ein mit Kettenantrieb versehenes Fahrzeug des Typs "Biber" in Ansicht
Fig. 2- 4
jeweils einen Schnitt nach den Linien II-II, III-III und IV-IV in Fig. 1 im Bereich der Brückenabschnitte,
Fig. 5
den Zusammenbau einer Brücke auf dem Fahrzeug nach Fig. 1 in sechs Stufen (a bis f),
Fig. 6
Zusammenbau und Verlegen einer Brücke auf einem mit einem Schieberahmen versehenen Fahrzeug in acht Stufen (a bis h) und
Fig. 7
einen mit einem Vorbauträger-Abschnitt versehenen Brückenabschnitt im Querschnitt.
Show it
Fig. 1
a chain drive vehicle of the type "Beaver" in view
Fig. 2-4
in each case a section along lines II-II, III-III and IV-IV in Fig. 1 in the region of the bridge sections,
Fig. 5
the assembly of a bridge on the vehicle according to FIG. 1 in six stages (a to f),
Fig. 6
Assembly and laying of a bridge on a vehicle with a sliding frame in eight stages (a to h) and
Fig. 7
a bridge section provided with a stem section in cross section.

Das in Fig. 1 gezeigte Fahrzeug 1 weist an seinem Vorderende eine auskragende um eine horizontale Achse schwenkbare Verlegeeinrichtung 2 auf, die in bekannter Weise zum Aufnehmen, Verschieben und Ablegen der Brücke dient. Das hintere Ende des Fahrzeugs 1 ist mit einer auskragenden Aufnahmevorrichtung 3 versehen, die vier koaxial paarweise und in einer in Normallage horizontalen Ebene liegenden Tragrollen 4 und 5 aufweist. Der Aufnahmevorrichtung 3 zugeordnet ist eine Positioniervorrichtung 6 auf dem Fahrzeug 1 nahe von dessen Ende angeordnet, die zwei koaxial gelagerte horizontal verschiebbare und jeweils mit einem äußeren Spurkranz 7 versehene Stützrollen 8 aufweist (Fig. 4). Eine in gleicher Weise ausgebildete Positioniereinrichtung 6' ist an der Verlegeeinrichtung 2 angeordnet.The vehicle 1 shown in FIG. 1 has at its front end a cantilevered laying device 2 which can be pivoted about a horizontal axis known way for picking up, moving and dropping the bridge. The rear end of the vehicle 1 is provided with a cantilever pick-up device 3, which has four support rollers 4 and 5 lying coaxially in pairs and in a horizontal plane in the normal position. Associated with the receiving device 3 is a positioning device 6 on the vehicle 1 near its end, which has two coaxially mounted horizontally displaceable support rollers 8 each provided with an outer flange 7 (FIG. 4). A positioning device 6 ′ designed in the same way is arranged on the laying device 2.

In Fig. 1 ist zu erkennen, daß einer der beiden Rampenabschnitte, der mit 10 bezeichnet ist, durch die Aufnahmevorrichtung 3 gehalten wird, während der andere Rampenabschnitt 11 der Brücke zum Rampenabschnitt 10 fluchtend durch die Verlegeeinrichtung 2 gehalten ist.In Fig. 1 it can be seen that one of the two ramp sections, which is designated by 10, is held by the receiving device 3, while the other ramp section 11 of the bridge to the ramp section 10 is held in alignment by the laying device 2.

Zwischen den einander zugekehrten Enden der Rampenabschnitte 10 und 11 befindet sich ein Zwischenraum, der für das Einsetzen eines Brückenabschnitts 12 ausreicht. Dabei beträgt der Spalt zwischen Rampen- und Brückenabschnitt nach dem Einsetzen jeweils etwa 20 cm. Der mittels eines Fahrzeugs oder eines Krans eingesetzte Brückenabschnitt 12 liegt beidendig auf den Positioniervorrichtungen 6 und 6' so auf, daß alle drei Abschnitte an ihren Unterseiten miteinander fluchten. Danach wird der Rampenabschnitt 11 durch den Verschiebe-Antrieb der Verlegeeinrichtung 2 zum Ankoppeln in Richtung auf den Brückenabschnitt 12 verschoben. Erforderlichenfalls kann zu diesem Zweck der Brückenabschnitt vorübergehend festgesetzt werden. Nach dem Ankoppeln werden durch die Verlegeeinrichtung 2 die miteinander gekoppelten Abschnitte 11 und 12 nach außen vorgeschoben, bis die in Fig. 5 c gezeigte Stellung erreicht ist und danach in den gebildeten Zwischenraum zwischen dem Brückenabschnitt 12 und dem Rampenabschnitt 10 ein weiterer Brückenabschnitt 13 eingesetzt werden kann. Der Abschnitt 13 wird dann durch Verschieben der Abschnitte 11 und 12 mit dem Rampenabschnitt 10 gekoppelt und anschließend durch den Antrieb der Aufnahmevorrichtung 3 in die in Fig. 5 d gezeigte auskragende Stellung vorgefahren. Danach wird der letzte Brückenabschnitt 14 eingesetzt und wieder in gleicher Weise durch Verschieben mit den beiden benachbarten Brückenabschnitten 12 und 13 gekoppelt (Fig. 5 e).There is a space between the facing ends of the ramp sections 10 and 11, which is sufficient for the insertion of a bridge section 12. The gap between the ramp and bridge section after insertion is about 20 cm each. The bridge section 12 inserted by means of a vehicle or a crane lies on both ends of the positioning devices 6 and 6 'in such a way that all three sections are aligned with one another on their undersides. Thereafter, the ramp section 11 is displaced in the direction of the bridge section 12 by the displacement drive of the laying device 2 for coupling. If necessary, the bridge section can be used for this purpose to be temporarily fixed. After coupling, the mutually coupled sections 11 and 12 are pushed outwards by the laying device 2 until the position shown in FIG. 5 c is reached and then another bridge section 13 is inserted into the space formed between the bridge section 12 and the ramp section 10 can. The section 13 is then coupled to the ramp section 10 by displacing the sections 11 and 12 and then advanced by the drive of the receiving device 3 into the projecting position shown in FIG. 5 d. Then the last bridge section 14 is inserted and again coupled in the same way to the two adjacent bridge sections 12 and 13 (FIG. 5e).

Fig. 5 f zeigt die zusammengesetzte Brücke in einer - bezogen auf die Verlegerichtung - nach hinten verschobenen Stellung, wobei ein in der Brücke verlagerter Vorbauträger 15 nach vorne vorgeschoben wird. Das Vorschieben des Vorbauträgers und Zurückschieben der Brücke erfolgt gleichzeitig in der Weise, daß die entstehenden Kippmomente zumindest annähernd ausbalanciert werden. Der in gleichlange Abschnitte wie die Brückenabschnitte unterteilte Vorbauträger ist längsverschieblich in der Brücke gelagert, wie es in Fig. 7 dargestellt ist. Fig. 5 a zeigt das Fahrzeug 1 im Transportzustand, wobei die beiden Rampenabschnitt 10 und 11 übereinander gestapelt sind. Aus dieser Stellung werden sie in bekannter Weise so auseinandergefahren, daß ihre Unterseiten miteinander fluchten und danach in die in Fig. 5 b gezeigte Stellung gebracht.FIG. 5 f shows the assembled bridge in a position which is displaced to the rear with respect to the direction of installation, with a front-end support 15 displaced in the bridge being pushed forward. Pushing the stem support and pushing the bridge back takes place at the same time in such a way that the resulting tilting moments are at least approximately balanced. The stem carrier, which is divided into sections of the same length as the bridge sections, is mounted in the bridge so as to be longitudinally displaceable, as is shown in FIG. 7. 5 a shows the vehicle 1 in the transport state, the two ramp sections 10 and 11 being stacked one above the other. From this position, they are moved apart in a known manner so that their undersides are flush with one another and then brought into the position shown in FIG. 5b.

Beim Ausführungsbeispiel nach Fig. 6 ist ein mit einem Schieberahmen 16 versehenes Radfahrzeug 1' eingesetzt, das im Transportzustand (Fig. 6 a) ebenfalls wieder zwei übereinander gestapelte Rampenabschnitte trägt. Nach dem Ausfahren des Schieberahmens 16 über das rückwärtige Ende des Radfahrzeugs 1' hinweg, wird der Schieberahmen an seinem freien Ende durch eine ausfahrbare Stütze 17 auf dem Grund abgestützt. An diesem Ende befindet sich auch die noch weiter auskragende Verlegeeinrichtung 2', die wie in Fig. 6 c gezeigt, einen der Rampenabschnitte im ausgefahrenen Zustand trägt. Der andere Rampenabschnitt ist zum entgegengesetzten Ende hin ausgefahren und wird von der Aufnahmevorrichtung 3' gehalten und auf dem Dach des Fahrerhauses über eine Rollenführung abgestützt, wodurch die Aufnahmevorrichtung 3' entlastet wird. Die Aufnahmevorrichtung 3' ist am fahrzeugseitigen Ende des Schieberahmens 16 auskragend angeordnet und befindet sich beim eingefahrenen Zustand des Schieberahmens 16 über dem Fahrerhaus des Fahrzeugs 1'.In the exemplary embodiment according to FIG. 6, a wheeled vehicle 1 'provided with a sliding frame 16 is used, which in the transport state (FIG. 6 a) likewise again carries two ramp sections stacked one above the other. After the sliding frame 16 has been extended beyond the rear end of the wheeled vehicle 1 ', the sliding frame is supported at the free end by an extendable support 17 on the ground. At this end there is also the still protruding laying device 2 ', which, as shown in FIG. 6 c, carries one of the ramp sections in the extended state. The other ramp section is extended towards the opposite end and is held by the receiving device 3 'and supported on the roof of the driver's cab via a roller guide, whereby the receiving device 3' is relieved. The receiving device 3 'is arranged in a projecting manner on the vehicle-side end of the sliding frame 16 and is located above the driver's cab of the vehicle 1' when the sliding frame 16 is retracted.

Die in Fig. 6 c dargestellte Zusammenbaustufe entspricht der nach der Fig. 5 b. Der nachfolgende Zusammenbau der Brücke geschieht in gleicher Reihenfolge, wie zur Fig. 5 beschrieben. Im Unterschied zum Ausführungsbeispiel nach Fig. 5 erfolgt das Koppeln der Brückenabschnitte jedoch durch Hochschwenken der Verlegeeinrichtung 2' bis in die fluchtende Stellung der Brückenabschnitte, wobei die Kupplungen entsprechend ausgebildet sind.The assembly stage shown in FIG. 6 c corresponds to that according to FIG. 5 b. The subsequent assembly of the bridge takes place in the same order as described for FIG. 5. In contrast to the exemplary embodiment according to FIG. 5, however, the coupling of the bridge sections is carried out by pivoting the laying device 2 'up to the aligned position of the bridge sections, the couplings being designed accordingly.

Fig. 6 g zeigt den bis zum jenseitigen Ufer ausgefahrenen Vorbauträger 15' und Fig. 6 h die mit Hilfe der Verlegeeinrichtung 2' über dem Hindernis vollständig abgelegte Brücke. Der Vorbauträger 15' verbleibt dabei in der Brücke und ermöglicht, da er die gleiche Länge wie die Brücke aufweist, ein Wiederaufnehmen und Demontieren der Brücke vom diesseitigen sowie vom jenseitigen Ufer aus in umgekehrter Reihenfolge. Beim Ausführungsbeispiel nach Fig. 6 sind die durch das Fahrzeug 1' transportierten Rampenabschnitte (Fig.6 a) länger als die zur Brückenverlängerung mittels eines Fahrzeugkrans eingesetzten Brückenabschnitte ausgebildet. Die Länge der Brücken- bzw. Rampenabschnitte ist entsprechend den jeweiligen Erfordernissen frei wählbar, richtet sich jedoch in erster Linie zweckmäßig nach der Transportkapazität der für den Transport eingesetzten Fahrzeuge. Die Breite der Brücke beträgt in der Regel etwa 4 m.FIG. 6 g shows the stem support 15 'extended to the other side of the bank and FIG. 6 h shows the bridge completely deposited over the obstacle with the aid of the laying device 2'. The stem beam 15 ' remains in the bridge and, since it has the same length as the bridge, enables the bridge to be taken up and dismantled from the opposite side and from the opposite side in reverse order. In the exemplary embodiment according to FIG. 6, the ramp sections (FIG. 6 a) transported by the vehicle 1 'are longer than the bridge sections used for the bridge extension by means of a mobile crane. The length of the bridge or ramp sections can be freely selected according to the respective requirements, but is primarily based on the transport capacity of the vehicles used for the transport. The width of the bridge is usually around 4 m.

In Fig. 2 und 3 ist zu erkennen, wie die Tragrollen 4 und 5 der Aufnahmevorrichtung 3 in mit U-förmigen Ausnehmungen versehene Spurträger 18 eingreifen, welche die inneren Untergurte der U-förmig ausgebildeten Spurbahnen der Brückenabschnitte bilden. Die Tragrollen 4 sind durch einen Antrieb 19 axial verstellbar und dadurch gegenüber den Spurträgern 18 aus- und einrückbar. Dadurch wird das Einführen des Rampenabschnitts 10 in die Aufnahmevorrichtung 3 erleichtert. Die Aufnahmevorrichtung 3 verfügt ferner über einen Antrieb 20, der auf zwei Ritzel 21 einwirkt, die koaxial mit den Tragrollen 5 angeordnet sind, welche ebenfalls in die Spurträger 18 eingreifen. Die Ritzel 21 greifen in Zahnstangen 22 ein, welche einander zugewandt an den Innenseiten der Spurträger 18 angeordnet sind, so daß der Antrieb 20 die Längsverschiebung der - ggf. miteinander gekoppelten - Brückenabschnitte bewirkt. Einen entsprechenden Antrieb weist in bekannter Weise die Verlegeeinrichtung 2 auf.2 and 3 it can be seen how the support rollers 4 and 5 of the receiving device 3 engage in track carriers 18 provided with U-shaped recesses, which form the inner lower belts of the U-shaped track tracks of the bridge sections. The idler rollers 4 are axially adjustable by a drive 19 and can thus be disengaged and engaged with respect to the track carriers 18. This facilitates the insertion of the ramp section 10 into the receiving device 3. The receiving device 3 also has a drive 20 which acts on two pinions 21 which are arranged coaxially with the support rollers 5, which likewise engage in the track carriers 18. The pinions 21 engage in toothed racks 22 which are arranged facing one another on the inner sides of the track carriers 18, so that the drive 20 brings about the longitudinal displacement of the bridge sections, which may be coupled to one another. A corresponding drive has in a known manner the laying device 2.

Die in Fig. 4 gezeigten, zur positioniervorrichtung 6 gehörenden Stützrollen 8 sind jeweils mit einem Antrieb versehen, der ihre Verschiebbarkeit in Achsrichtung bewirkt. Dadurch wird es möglich, daß die zunächst in größerem Abstand voneinander positionierten beiden Stützrollen 8 nach dem Absetzen des jeweils einzusetzenden Brückenabschnitts durch Aufeinanderzubewegen mittels der Spurkränze 7 in die gewünschte, d.h. mit den übrigen Brückenabschnitten fluchtende Lage gebracht werden. Die an der Verlegeeinrichtung 2 angeordnete positioniervorrichtung 6' ist zum gleichen Zweck in gleicher Weise ausgebildet.The support rollers 8 shown in FIG. 4 and belonging to the positioning device 6 are each provided with a drive which causes them to be displaceable in the axial direction. This makes it possible for the two support rollers 8, which are initially positioned at a greater distance from one another, to be moved into the desired, i.e. aligned with the other bridge sections. The positioning device 6 ′ arranged on the laying device 2 is designed in the same way for the same purpose.

Fig. 7 zeigt einen mittig in einem Brückenabschnitt 23 angeordneten Vorbauträgerabschnitt 15'. Die Ausführung dieses Vorbauträgers ist in der DE-A-36 28 273 beschrieben. Zur Aufnahmevorrichtung 3 gehörende Tragrollen 4 greifen auch hierbei wieder in Spurträger 18' des Brückenabschnitts 23 ein. In entsprechender Weise ist der Vorbauträger 15' über Führungsrollen 24 in dem Brückenabschnitt längsverschieblich gelagert. Ein an der Verlegeeinrichtung 2 oder der Aufnahmevorrichtung 3 angeordneter Antrieb 25 ermöglicht alternativ das Verschieben des Brückenabschnitts oder des Vorbauträgers. Mit dem neuen Fahrzeug sind aber auch andere Arten von in der Brücke verschiebbaren Vorbauträgern einsetzbar.7 shows a stem support section 15 'arranged in the middle in a bridge section 23. The design of this stem support is described in DE-A-36 28 273. Carrying rollers 4 belonging to the receiving device 3 also engage in track carriers 18 ′ of the bridge section 23. In a corresponding manner, the stem support 15 'is mounted so as to be longitudinally displaceable in the bridge section via guide rollers 24. A drive 25 arranged on the laying device 2 or the receiving device 3 alternatively enables the displacement of the bridge section or the stem support. With the new vehicle, however, other types of stem supports that can be moved in the bridge can also be used.

Zum Koppeln der einzelnen Brücken- und auch Vorbauträgerabschnitte werden in bekannter Weise selbsttätige Einrastkupplungen verwendet, die bei der Demontage der Brücke wieder gelöst werden. Das Lösen der Kupplungen wird mit Vorteil aber auch beim Zusammenbau, und zwar dann angewandt, wenn nur die Verlegeeinrichtung mit einem Antrieb zum Verschieben der Brücke ausgestattet ist und nach dem beidendigen Koppeln eines eingesetzten Brückenabschnitts ein Ende zum Auseinanderfahren der betreffenden Brückenhälfte wieder gelöst werden muß. Die Kupplungen können auch so ausgebildet werden, daß sie gleichzeitig als Positioniervorrichtung dienen, z.B. in einfachster Ausführung als ein in eine Bohrung von oben einführbarer Dorn.To couple the individual bridge and stem sections, automatic snap-in clutches are used in a known manner, which are released when the bridge is dismantled. The release of the couplings is also advantageous when Assembly, and then used when only the laying device is equipped with a drive for moving the bridge and after coupling both ends of an inserted bridge section, one end has to be released again for moving the relevant bridge half apart. The couplings can also be designed in such a way that they simultaneously serve as positioning devices, for example in the simplest version as a mandrel that can be inserted into a bore from above.

In einigen Fällen, z.B. wenn kein Vorbauträger eingesetzt wird, braucht die Aufnahmevorrichtung 3 nur so ausgelegt zu werden, daß sie die halbe Anzahl der maximal vorgesehenen Brückenabschnitte der fertigen Brücke zu tragen vermag. Für den Fall, daß die Aufnahmevorrichtung gleichzeitig als Verlegeeinrichtung dienen soll, muß sie selbstredend auch dementsprechend ausgebildet und ausgelegt sein. In diesem Fall ist das Fahrzeug noch vielseitiger einsetzbar: Z. B. kann die Brücke ohne Wenden des Fahrzeugs vom jenseitigen Ufer aus wieder aufgenommen werden.In some cases, e.g. if no stem girder is used, the receiving device 3 only needs to be designed so that it is able to carry half the number of the maximum intended bridge sections of the finished bridge. In the event that the receiving device is to serve as a laying device at the same time, it must of course also be designed and designed accordingly. In this case, the vehicle is even more versatile: For example, the bridge can be taken up again from the other side without turning the vehicle.

Im Einzelfall können auch mehrere entsprechend kürzere Brückenabschnitte eingefügt werden, die bereits vorher miteinander gekoppelt sind, ohne daß es irgendeiner Änderung bedarf. Wenn wesentlich kürzere Brückenabschnitte einzeln eingefügt werden sollen, so sind die Positioniervorrichtungen mit entsprechend kürzerem Abstand zueinander anzuordnen oder mindestens eine zusätzliche Positioniereinrichtung einzusetzen.In individual cases, several correspondingly shorter bridge sections can also be inserted, which are already coupled to one another beforehand, without any change being necessary. If significantly shorter bridge sections are to be inserted individually, the positioning devices are to be arranged at a correspondingly shorter distance from one another or at least one additional positioning device is to be used.

Claims (10)

  1. Vehicle (1, 1') for laying dismountable bridges, one end of which being provided with a bridge laying equipment (2, 2' ) for displacing and laying the bridge able to be assembled, which is on the vehicle, and having a take-up mechanism (3, 3' ) disposed in the longitudinal direction of the vehicle, at a distance from the bridge laying equipment, for a bridge section, which - with regard to the bridge laying equipment - allows coupling at an even height,
    characterised by,
    at least a part of the bridge section forming the bridge being able to be taken over in the coupled condition and displaced in the longitudinal direction of the vehicle by the take-up mechanism (3, 3'), and that the distance is so ascertained that at least one bridge section (12, 13, 14) can be inserted between the bridge parts held in each case by the bridge laying equipment (2, 2' ) and the take-up mechanism (3, 3' ).
  2. Vehicle as Claim 1, characterised by the bridge laying equipment (2) and the take-up mechanism (3) each being associated with at least one positioning device (6, 6' ).
  3. Vehicle as Claim 2, characterised by at least one of the positioning devices ( 6, 6' ) being disposed on the mechanism or equipment.
  4. Vehicle as Claim 3, characterised by parts of the couplings of the bridge sections being constructed as positioning devices.
  5. Vehicle as Claim 2 or 3, characterised by at least one of the positioning devices ( 6, 6' ) having two coaxially disposed supporting rollers (8) at a distance, for the track holder (18) at the underside of the bridge.
  6. Vehicle as Claim 5, characterised by the supporting rollers (8) being provided with a wheel flange (7) and which are axially displaceable.
  7. Vehicle as one of the preceding Claims, characterised by the take-up mechanism (3) projecting against the end of the vehicle.
  8. Vehicle as Claim 7, characterised by the take-up mechanism being simultaneously constructed as a bridge laying equipment.
  9. Vehicle as one of the preceding Claims, characterised by the take-up mechanism (3) - just as the bridge laying equipment (2) - being provided with a drive (20) for displacing the bridge sections.
  10. Vehicle for laying a bridge with a projecting beam, as one of the preceding Claims, characterised by the projecting mounted structures (15') having the same length as the bridge sections (23), held by these in transport, and simultaneously capable of being coupled with these.
EP89913112A 1988-11-02 1989-10-20 Vehicle for laying dismountable bridges Expired - Lifetime EP0442956B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3837122 1988-11-02
DE3837122A DE3837122C2 (en) 1988-11-02 1988-11-02 Method of assembling a collapsible bridge on a vehicle

Publications (2)

Publication Number Publication Date
EP0442956A1 EP0442956A1 (en) 1991-08-28
EP0442956B1 true EP0442956B1 (en) 1993-06-16

Family

ID=6366288

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89913112A Expired - Lifetime EP0442956B1 (en) 1988-11-02 1989-10-20 Vehicle for laying dismountable bridges

Country Status (6)

Country Link
US (1) US5179751A (en)
EP (1) EP0442956B1 (en)
KR (1) KR900702143A (en)
DE (2) DE3837122C2 (en)
ES (1) ES2016770A6 (en)
WO (1) WO1990005216A1 (en)

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FR2683837B1 (en) * 1991-11-15 1994-02-11 Mediterranee Const Indles WORKING STRUCTURE IN PARTICULAR FOR CROSSING BREACHES BY VEHICLES AND TRANSPORT AND REMOVAL SYSTEM FOR THE STRUCTURE.
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CN107858915B (en) * 2017-12-22 2023-08-22 韦炳伦 Movable overpass for dredging road
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Also Published As

Publication number Publication date
KR900702143A (en) 1990-12-05
WO1990005216A1 (en) 1990-05-17
ES2016770A6 (en) 1990-11-16
DE3837122C2 (en) 1997-09-11
DE3837122A1 (en) 1990-05-03
US5179751A (en) 1993-01-19
DE58904752D1 (en) 1993-07-22
EP0442956A1 (en) 1991-08-28

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