EP0999125B1 - Foldable floating pontoon - Google Patents

Foldable floating pontoon Download PDF

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Publication number
EP0999125B1
EP0999125B1 EP99118502A EP99118502A EP0999125B1 EP 0999125 B1 EP0999125 B1 EP 0999125B1 EP 99118502 A EP99118502 A EP 99118502A EP 99118502 A EP99118502 A EP 99118502A EP 0999125 B1 EP0999125 B1 EP 0999125B1
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EP
European Patent Office
Prior art keywords
float
floating pontoon
unfolding
lever
floating
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
Application number
EP99118502A
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German (de)
French (fr)
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EP0999125A2 (en
EP0999125A3 (en
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General Dynamics European Land Systems Bridge Systems GmbH
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General Dynamics Santa Barbara Sistemas GmbH
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Publication of EP0999125A2 publication Critical patent/EP0999125A2/en
Publication of EP0999125A3 publication Critical patent/EP0999125A3/en
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Publication of EP0999125B1 publication Critical patent/EP0999125B1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B7/00Collapsible, foldable, inflatable or like vessels
    • B63B7/02Collapsible, foldable, inflatable or like vessels comprising only rigid parts
    • B63B7/04Collapsible, foldable, inflatable or like vessels comprising only rigid parts sectionalised
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/34Pontoons
    • B63B35/36Pontoons foldable

Definitions

  • the invention relates to a foldable floating pontoon made of two inner and two Outdoor floats, each connected by joints in shape of a W are foldable in the transport position, according to the preamble of claim 1.
  • the two inner floats unfold due to their buoyancy open.
  • the two outer floats are separated by a essentially consisting of cables and so-called deployment levers Kinematics depending on the opening angle of the two Internal float opened.
  • the invention is based on the object Possibility to create with a generic floating pontoon a cable device consisting of cables and levers Support the folding or unfolding process to create a way to one in any case also on the joints between interior and To enable the outer float to level the road.
  • the invention builds on the road level in solving the problem to avoid protruding parts on the thought of when Articulated connection between the inner and outer floats To provide double joint connection.
  • the use of a double joint will but only possible if the entanglements of the Avoid floating bodies when folding or unfolding, which causes this can occur that in a double joint connection no shear forces can be transferred.
  • this is made possible by that the corresponding deployment levers on the end faces of a Floating pontoons are connected to each other in a motion-locked manner.
  • a stabilizing part each of which a deployment lever that also serves as an articulated flap, one that rotates with this connected rod and one at its opposite end again there is a non-rotatably arranged stabilizing tab.
  • a floating pontoon 1 according to the invention which in FIG represents folded state, consists of two Inner floats 2 and two outer floats 3.
  • the two Inner floats 2 are through a hinge 4 on their underside, which Inner float 2 and the outer float 3 each by Double joint 5 connected at their top.
  • the double joint 5 has an unfolding lever 6 as a hinge plate, on the latter an arm, the so-called rope arm 7, an unfolding rope 8 is attached while the opposite abutment arm 9 each against stops on one Stop part 10 acts.
  • the deployment ropes 8 of the two halves of the float are attached to each other crossing on a double lever 11, which is about Joint 4 rotatable, but is otherwise mounted so that it folds in all Unfolds its horizontal position.
  • the double lever 11 has a crane eye 12.
  • FIG. 4 and 5 show front views the double joint 5 between an inner float 2 and an outer float 3, in the state of unfolding (Fig. 4) and in the state of use (Fig. 5).
  • the double joint connection 5 consists of two on the inside or Outer float 2 and 3 mounted hinge pins 13 and 14 through the deployment lever 6 are hinged together.
  • On the rope arm 7 of the Unfolding lever 6 is in a bore 15 - only through its axis indicated - unfolding rope 8 attached, the direction of pull when unfolding by an arrow Z is shown.
  • the opposite abutment arm 9 of the Unfolding lever 6 acts with its end portion 16 in different Movement states against attacks that on a Outside float 3 attached stop member 10 are arranged.
  • Fig. 6 which is a section of a plan view of the Floating pontoon shows in use, is clear, like the unfolding lever 6, which connects the two hinge pins 13 and 14 as a hinge plate, non-rotatably is connected to a torsion bar 23 which is parallel to the joint 24 between the inner float 2 and the outer float 3 extends and at its opposite end also rotatably with a Stabilizing tab 25 is connected.
  • the stabilizing tab 25 is by means of two bolts 26 with axis parallel to the hinge bolts 13, 14 in Bearing blocks 27 stored in recesses 29 in bearing parts 28 in the The top of the inner and outer floats 2 and 3 are arranged. Unfold lever 6, torsion bar 23 and stabilizing tab 25 form this Stabilizing part, which is designated with a total of 30. This Stabilizing part 30 is clearly shown in FIG. 8.
  • the arrangement of the stabilizing part 30 shown in FIG. 6 is supplemented by a pull tab 31, which is parallel to the deployment lever 6 in the bearing parts 28 is stored.
  • the pull tab 31 serves to absorb tensile forces in the Road level of the floating pontoon 1 and at the same time as a warehouse for the Torsion bar 23. If necessary, can also still parallel to the pull tab 31 a further guide tab 32 can be provided, which prevents the Shifts in the direction of the gap 24 is used.
  • the arrangement of the Stabilizing part 30 at the front ends of an inner float 2 and an outer float 3 is shown in FIG. 7 in a manner Exploded view.
  • the stabilizing part 30 prevents the Risk of entanglement of the floating bodies 2, 3 against each other, leading to fear if the floating pontoon 1 after sliding off Transport vehicle floats in the water and possibly one Performs rocking motion.
  • the deployment lever 6 acts as Shear force connection between the inner and outer floats 2, 3 in different load conditions.
  • the inner floats 2 become one-sided raised and twisted in the water. This twist must also be on the outer float 3 are transferred to an entanglement between the inside and outside of the float.
  • Such The float 2, 3 can be entangled by the invention proposed torsionally stiff connection of the deployment lever 6 collected become.
  • a rotationally fixed connection of the deployment lever 6 via the entire length of the floating pontoon 1 would be disadvantageous because of the length the connecting rod requires a large cross section, use the Invention by the stabilizing parts 30 on both sides of the Floating pontoons 1 only sections whose total length for stabilization and thus of course only a part of the total entanglement.
  • the deployment lever 6 is in holes simultaneously with the Pull tab 31 or a guide tab 32 fixed while the Stabilizing bracket, as already described, via adjustable bearing blocks 27 is supported on the floats 2 and 3.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Steroid Compounds (AREA)

Abstract

The pontoon (1) consists of two inner floating bodies (2) and two outer floating bodies (3). The inner ones are attached through links (4) at the bottom. The inner and outer ones are connected to each other by double links (5) at the top. The double link includes a twin-arm unfolding lever (6) with one arm (7) fixed to the unfolding rope (8) and the other arm (9) acting against a stop part (10).

Description

Die Erfindung betrifft einen faltbaren Schwimmponton aus zwei Innen- und zwei Außenschwimmkörpern, die jeweils mittels Gelenken verbunden in Gestalt eines W in Transportstellung zusammenfaltbar sind, gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a foldable floating pontoon made of two inner and two Outdoor floats, each connected by joints in shape of a W are foldable in the transport position, according to the preamble of claim 1.

Wird ein solcher Schwimmponton zu Wasser gelassen, dann werden beim Auseinanderklappen die beiden Innenschwimmkörper durch ihren Auftrieb geöffnet. Die beiden äußeren Schwimmkörper werden durch eine im wesentlichen aus Seilzügen und sogenannten Entfalthebeln bestehende Kinematik in Abhängigkeit vom Öffnungswinkel der beiden Innenschwimmkörper geöffnet. Beim Zusammenfalten werden die äußeren Schwimmkörper durch ein Schubboot nach innen geführt, wobei sie sich gegen den jeweils zugehörigen Innenschwimmkörper legen. Um den zusammengeklappten Schwimmponton aus dem Wasser zu heben, wird ein Kran eingesetzt, der an dem Gelenk angreift, mit dem die beiden Innenschwimmkörper an ihrer unteren Längskante miteinander verbunden sind.If such a floating pontoon is launched, then the The two inner floats unfold due to their buoyancy open. The two outer floats are separated by a essentially consisting of cables and so-called deployment levers Kinematics depending on the opening angle of the two Internal float opened. When folding the outer Floats guided inward by a push boat, being against each other place the corresponding inner float. To the Lifting the folded pontoon out of the water becomes a Crane used to attack the joint with which the two Inner floats are connected to each other at their lower longitudinal edge.

Bei einem bekannten Schwimmponton dieser Art sind jeweils ein Innen- und ein Außenschwimmkörper durch ein Gelenk miteinander verbunden (DE 30 04 397 C2 oder GB 21 17 713 A). Da diese beiden Schwimmkörper sich beim Aufklappen um einen Winkel von 180° gegeneinander bewegen müssen, müssen die Gelenkteile außerhalb der Schwimmkörper selbst vorgesehen sein. Dabei ist es unvermeidbar, Teile der Gelenkverbindung auch an der Oberseite der Schwimmkörper anzuordnen, die im Gebrauchszustand nach oben über die Fahrbahn hinausragen. Da diese Fahrbahn nicht nur von Rad-, sondern auch von Kettenfahrzeugen befahren wird, sollten überstehende Gelenkteile möglichst vermieden werden, da sonst Beschädigungen unvermeidlich sind. In a known floating pontoon of this type, there is an interior and an interior External float connected to each other by a joint (DE 30 04 397 C2 or GB 21 17 713 A). Since these two floating bodies are at Unfolding must move against each other by an angle of 180 °, the joint parts must be provided outside the float itself. It is inevitable that parts of the hinge also on the top to arrange the float, which in the state of use upwards over the Protrude roadway. Because this lane is not only by bike, but also protruding joint parts should be used by tracked vehicles Avoid as far as possible, otherwise damage is inevitable.

Die DE 43 05 098 A offenbart einen W-förmig faltbaren Ponton, bei dem sowohl die beiden Innenschwimmkörper als auch die Innen- und Außenschwimmkörper über Doppelgelenkscharniere gekoppelt sind. Die beiden Gelenke der Scharniere sind über eine Verzahnung zwangsweise gekoppelt. Verzahnungen sind aufwändig in der Herstellung, in der Montage und in der Wartung. Außerdem sind sie anfällig für Störungen und für Blockage.DE 43 05 098 A discloses a W-shaped foldable pontoon, in which both the two inner floats as well as the inner and outer floats are coupled via double hinge. The two joints of the Hinges are forcibly coupled via a toothing. gearing are complex to manufacture, assemble and maintain. They are also prone to interference and blockage.

Aus der US 4 962 557 ist ein weiterer W-förmig faltbarer Ponton bekannt, bei dem Innenschwimmkörper und Außenschwimmkörper über Doppelgelenk-Schamiere gekoppelt sind. Die Doppelgelenk-Schamiere werden gebildet durch dreiarmige Hebel, die auf zwei Gelenkbolzen, einer am Innenschwimmkörper, einer am Außenschwimmkörper, gelagert sind. An dem dem Außenschwimmkörper zugewandten Ende des dreiarmigen Hebels ist ein weiterer einarmiger Hebel angelenkt. An diesem Hebel greift eine Feder an, deren anderes Ende am Außenschwimmkörper befestigt ist. Der einarmige Hebel besitzt einen Anschlag, der sich unter der Wirkung der Feder an das Ende des dreiarmigen Hebels legt, wenn der Ponton zusammengefaltet ist. Seilzüge, die das Falten und Entfalten unterstützen, sind bei diesem Ponton nicht vorgesehen. From US 4 962 557 another W-shaped foldable pontoon is known from the inner float and outer float via double-joint hinges are coupled. The double joint hinge is formed by three-armed levers on two hinge pins, one on the inner float, one on the outer float, are stored. On that The end of the three-armed lever facing the outer float is a another one-armed lever articulated. A spring engages this lever the other end of which is attached to the outer float. The one-armed Lever has a stop that moves under the action of the spring The end of the three-armed lever lays when the pontoon is folded. Ropes that support folding and unfolding are on this pontoon not provided.

Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, eine Möglichkeit zu schaffen, um bei einem gattungsgemäßen Schwimmponton mit einer aus Seilzügen und Hebeln bestehenden Seilzugeinrichtung zur Unterstützung des Falt- bzw. Entfaltvorganges eine Möglichkeit zu schaffen, um eine in jedem Fall auch über die Fugen zwischen Innen- und Außenschwimmkörper hinweg ebene Fahrbahn zu ermöglichen.Against this background, the invention is based on the object Possibility to create with a generic floating pontoon a cable device consisting of cables and levers Support the folding or unfolding process to create a way to one in any case also on the joints between interior and To enable the outer float to level the road.

Gemäß der Erfindung wird diese Aufgabe durch einen Schwimmponton mit den im Anspruch 1 angegebenen Merkmalen gelöst.According to the invention, this object is achieved with a floating pontoon Features specified in claim 1 solved.

Vorteilhafte Weiterbildungen ergeben sich aus den Unteransprüchen.Advantageous further developments result from the subclaims.

Die Erfindung baut bei der Lösung des Problems, über die Fahrbahnebene hinausragende Teile zu vermeiden, auf dem Gedanken auf, als Gelenkverbindung zwischen Innen- und Außenschwimmkörper eine Doppelgelenkverbindung vorzusehen. Der Einsatz eines Doppelgelenks wird aber erst dann möglich, wenn es gelingt, eventuelle Verschränkungen der Schwimmkörper beim Falten bzw. Entfalten zu vermeiden, die dadurch auftreten können, dass in einer Doppelgelenkverbindung keine Scherkräfte übertragen werden können. Dies wird erfindungsgemäß dadurch ermöglicht, dass die einander entsprechenden Entfalthebel an den Stirnseiten eines Schwimmpontons bewegungsschlüssig miteinander verbunden werden. Dies kann entweder mittels einer über die gesamte Länge des Schwimmpontons durchlaufenden drehsteifen Verbindung, zum Beispiel in Form eines Torsionsstabes, erfolgen oder mittels eines Stabilisierungsteils, das jeweils aus einem zugleich als Gelenklasche dienenden Entfalthebel, einem drehfest mit diesem verbundenen Stab und einer an dessen gegenüberliegendem Ende wiederum drehfest angeordneten Stabilisierungslasche besteht. Durch diese an beiden Stirnseiten eines Schwimmpontons angeordneten Stabilisierungsteile wird eine synchrone Bewegung der Entfalthebel erzwungen, die den Falt- und Entfaltvorgang unterstützen.The invention builds on the road level in solving the problem to avoid protruding parts on the thought of when Articulated connection between the inner and outer floats To provide double joint connection. The use of a double joint will but only possible if the entanglements of the Avoid floating bodies when folding or unfolding, which causes this can occur that in a double joint connection no shear forces can be transferred. According to the invention, this is made possible by that the corresponding deployment levers on the end faces of a Floating pontoons are connected to each other in a motion-locked manner. This can either by using the entire length of the floating pontoon continuous torsionally rigid connection, for example in the form of a Torsion bar, take place or by means of a stabilizing part, each of which a deployment lever that also serves as an articulated flap, one that rotates with this connected rod and one at its opposite end again there is a non-rotatably arranged stabilizing tab. Through this on Stabilization parts arranged on both ends of a floating pontoon a synchronous movement of the deployment lever is forced, which the folding and Support deployment process.

Die Erfindung wird nachstehend anhand der Zeichnung näher erläutert. Es zeigt

Fig. 1
eine stirnseitige Ansicht eines erfindungsgemäßen Schwimmpontons eingefaltet im Transportzustand,
Fig. 2
ebenfalls in stirnseitiger Ansicht eine aus Außen- und Innenschwimmkörper bestehende Hälfte des Schwimmpontons im Zustand des Entfaltens und
Fig. 3
die Stellung von Außen- und Innenschwimmkörper im Gebrauchszustand,
Fig. 4
eine vergrößerte Ansicht der Doppelgelenkverbindung im Zustand des Entfaltens und
Fig. 5
im Gebrauchszustand,
Fig. 6
eine Draufsicht auf die einen Außen- und einen Innenschwimmkörper verbindende Doppelgelenkverbindung im Gebrauchszustand,
Fig. 7
in schematischer Schrägansicht die Funktion eines erfindungsgemäßen Stabilisierungsteils,
Fig. 8
ein Stabilisierungsteil in Schrägansicht und
Fig. 9
in schematischer Darstellung des Herausheben eines zusammengefalteten Schwimmpontons aus dem Wasser.
The invention is explained below with reference to the drawing. It shows
Fig. 1
an end view of a floating pontoon according to the invention folded in the transport state,
Fig. 2
also in front view a half of the floating pontoon consisting of outer and inner floating body in the state of unfolding and
Fig. 3
the position of the outer and inner float when in use,
Fig. 4
an enlarged view of the double joint connection in the state of unfolding and
Fig. 5
in use,
Fig. 6
2 shows a plan view of the double joint connection connecting an outer and an inner floating body in the state of use,
Fig. 7
a schematic oblique view of the function of a stabilizing part according to the invention,
Fig. 8
a stabilizing part in an oblique view and
Fig. 9
in a schematic representation of lifting a folded floating pontoon out of the water.

Ein erfindungsgemäßer Schwimmponton 1, der in Fig. 1 in zusammengefaltetem Zustand darstellt ist, besteht aus zwei Innenschwimmkörpern 2 und zwei Außenschwimmkörpern 3. Die beiden Innenschwimmkörper 2 sind durch ein Gelenk 4 an ihrer Unterseite, die Innenschwimmkörper 2 und die Außenschwimmkörper 3 jeweils durch ein Doppelgelenk 5 an ihrer Oberseite miteinander verbunden.A floating pontoon 1 according to the invention, which in FIG represents folded state, consists of two Inner floats 2 and two outer floats 3. The two Inner floats 2 are through a hinge 4 on their underside, which Inner float 2 and the outer float 3 each by Double joint 5 connected at their top.

Das Doppelgelenk 5 weist als Gelenklasche einen Entfalthebel 6 auf, an dessen einem Arm, dem sogenannten Seilarm 7, ein Entfaltseil 8 befestigt ist, während der gegenüberliegende Widerlagerarm 9 jeweils gegen Anschläge an einem Anschlagteil 10 wirkt. Die Entfaltseile 8 der beiden Schwimmkörperhälften sind einander überkreuzend an einem Doppelhebel 11 befestigt, der zwar um das Gelenk 4 drehbar, im übrigen aber so gelagert ist, daß er bei allen Falt- und Entfaltvorgängen seine horizontale Lage beibehält. Der Doppelhebel 11 weist eine Kranöse 12 auf.The double joint 5 has an unfolding lever 6 as a hinge plate, on the latter an arm, the so-called rope arm 7, an unfolding rope 8 is attached while the opposite abutment arm 9 each against stops on one Stop part 10 acts. The deployment ropes 8 of the two halves of the float are attached to each other crossing on a double lever 11, which is about Joint 4 rotatable, but is otherwise mounted so that it folds in all Unfolds its horizontal position. The double lever 11 has a crane eye 12.

Während die Fig. 1 bis 3 die Funktion eines erfindungsgemäßen Schwimmpontons zeigen, auf die weiter unten noch zurückzukommen sein wird, können die Details der erfindungsgemäßen Ausbildung anhand der Fig. 4 bis 8 erläutert werden. Dabei zeigen zunächst die Fig. 4 und 5 Stirnansichten der Doppelgelenkverbindung 5 zwischen einem Innenschwimmkörper 2 und einem Außenschwimmkörper 3, und zwar im Zustand des Entfaltens (Fig. 4) und im Gebrauchszustand (Fig. 5).1 to 3 the function of an inventive Show floating pontoons that will be discussed later the details of the design according to the invention can be seen in FIG. 4 to 8 are explained. 4 and 5 show front views the double joint 5 between an inner float 2 and an outer float 3, in the state of unfolding (Fig. 4) and in the state of use (Fig. 5).

Die Doppelgelenkverbindung 5 besteht aus zwei jeweils am Innen- bzw. Außenschwimmkörper 2 bzw. 3 gelagerten Gelenkbolzen 13 und 14, die durch den Entfalthebel 6 gelenkig miteinander verbunden sind. Am Seilarm 7 des Entfalthebels 6 ist in einer Bohrung 15 ein - nur durch seine Achse angedeutetes - Entfaltseil 8 befestigt, dessen Zugrichtung beim Entfalten durch einen Pfeil Z verdeutlicht ist. Der gegenüberliegende Widerlagerarm 9 des Entfalthebels 6 wirkt mit seinem Endabschnitt 16 in unterschiedlichen Bewegungszuständen gegen Anschläge, die an einem am Außenschwimmkörper 3 befestigten Anschlagteil 10 angeordnet sind. Im Entfaltzustand der Fig. 4 bewirkt die Zugkraft Z im Entfaltseil 8 eine Drehung des Entfalthebels 5 um den Gelenkbolzen 13 und über die Anlage des Endabschnitts 16 des Widerlagerarms 9 an einem Anschlag 17 am Ende eines Anschlagarms 18 ein Drehmoment in Richtung des Pfeils 19, das während des Entfaltens der Innenschwimmkörper 2 auch eine Entfaltbewegung des Außenschwimmkörpers 3 bewirkt.The double joint connection 5 consists of two on the inside or Outer float 2 and 3 mounted hinge pins 13 and 14 through the deployment lever 6 are hinged together. On the rope arm 7 of the Unfolding lever 6 is in a bore 15 - only through its axis indicated - unfolding rope 8 attached, the direction of pull when unfolding by an arrow Z is shown. The opposite abutment arm 9 of the Unfolding lever 6 acts with its end portion 16 in different Movement states against attacks that on a Outside float 3 attached stop member 10 are arranged. in the 4 unfolds the tensile force Z in the deployment rope 8 a rotation the deployment lever 5 around the hinge pin 13 and the system of End portion 16 of the abutment arm 9 at a stop 17 at the end of a Stop arm 18 a torque in the direction of arrow 19 which during the Unfolding the inner float 2 also a deployment movement of the External float 3 causes.

In dem in Fig. 5 dargestellten Gebrauchszustand werden infolge einer in Richtung des Pfeils P wirkenden Verkehrslast der Innenschwimmkörper 2 und der Außenschwimmkörper 3 tiefer in das Wasser gedrückt. Dadurch wird der Bolzen 13 nach unten bewegt, wodurch ein Drehmoment um den Bolzen 14 entsteht. Dieses Drehmoment wird durch Anlage des Endes 16 des Widerlagerarms 9 an einem Anschlag 21 eines weiteren Anschlagarms 22 des Anschlagteils 10 abgestützt. Über den Außenschwimmkörper 3 und eine Verriegelung 33 zwischen Innen- und Außenschwimmkörper 2, 3 wird dieses Drehmoment wieder am Innenschwimmkörper 2 abgestützt (Fig. 3). Die verbleibende Querkraft drückt den Außenschwimmkörper 3 nach unten. Wirkt am Bolzen 13 eine Kraft nach oben, dann wird das Drehmoment zwischen dem Bolzen 13 und dem Anschlag 20 abgestützt, der auch elastisch, z. B. aus Gummi, Neoprene, oder als Metall-Federelement ausgebildet sein kann.In the state of use shown in Fig. 5 are due to a in Direction of arrow P traffic load of the inner float 2 and the outer float 3 pressed deeper into the water. This will make the Bolt 13 moves downward, creating torque around the bolt 14 arises. This torque is created by the end 16 of the Abutment arm 9 on a stop 21 of a further stop arm 22 of the Supported part 10 supported. About the outer float 3 and one Interlock 33 between the inner and outer floats 2, 3 becomes this Torque supported again on the inner float 2 (Fig. 3). The remaining transverse force pushes the outer float 3 down. acts a force on the bolt 13, then the torque between the Bolt 13 and the stop 20 supported, which is also elastic, for. B. from Rubber, neoprene, or can be designed as a metal spring element.

Wesentlich für diese Funktionen ist, dass der Entfalthebel 6 Teil eines Stabilisierungsteils 30 ist, das anhand der Fig. 6 bis 8 näher erläutert werden kann. Vor allem aus Fig. 6, die einen Ausschnitt aus einer Draufsicht auf den Schwimmponton im Gebrauchszustand zeigt, wird deutlich, wie der Entfalthebel 6, der als Gelenklasche die beiden Gelenkbolzen 13 und 14 verbindet, drehfest mit einem Torsionsstab 23 verbunden ist, der sich parallel zu der Fuge 24 zwischen dem Innenschwimmkörper 2 und dem Außenschwimmkörper 3 erstreckt und an seinem gegenüberliegenden Ende ebenfalls drehfest mit einer Stabilisierungslasche 25 verbunden ist. Die Stabilisierungslasche 25 ist mittels zweier Bolzen 26 mit zu den Gelenkbolzen 13, 14 paralleler Achse in Lagerklötzen 27 gelagert, die in Ausnehmungen 29 in Lagerteilen 28 in der Oberseite von Innen- bzw. Außenschwimmkörper 2 bzw. 3 angeordnet sind. Entfalthebel 6, Torsionsstab 23 und Stabilisierungslasche 25 bilden dieses Stabilisierungsteil, das insgesamt mit 30 bezeichnet ist. Dieses Stabilisierungsteil 30 ist in Fig. 8 übersichtlich dargestellt.It is essential for these functions that the deployment lever 6 is part of a Stabilizing part 30 is, which are explained in more detail with reference to FIGS. 6 to 8 can. Especially from Fig. 6, which is a section of a plan view of the Floating pontoon shows in use, is clear, like the unfolding lever 6, which connects the two hinge pins 13 and 14 as a hinge plate, non-rotatably is connected to a torsion bar 23 which is parallel to the joint 24 between the inner float 2 and the outer float 3 extends and at its opposite end also rotatably with a Stabilizing tab 25 is connected. The stabilizing tab 25 is by means of two bolts 26 with axis parallel to the hinge bolts 13, 14 in Bearing blocks 27 stored in recesses 29 in bearing parts 28 in the The top of the inner and outer floats 2 and 3 are arranged. Unfold lever 6, torsion bar 23 and stabilizing tab 25 form this Stabilizing part, which is designated with a total of 30. This Stabilizing part 30 is clearly shown in FIG. 8.

Die in Fig. 6 dargestellte Anordnung des Stabilisierungsteils 30 wird ergänzt durch eine Zuglasche 31, die parallel zu dem Entfalthebel 6 in den Lagerteilen 28 gelagert ist. Die Zuglasche 31 dient der Aufnahme von Zugkräften in der Fahrbahnebene des Schwimmpontons 1 und zugleich als Lager für den Torsionsstab 23. Gegebenenfalls kann auch parallel zu der Zuglasche 31 noch eine weitere Führungslasche 32 vorgesehen sein, die der Verhinderung von Verschiebungen in Richtung des Spaltes 24 dient. Die Anordnung des Stabilisierungsteils 30 an den stirnseitigen Enden eines Innenschwimmkörpers 2 und eines Außenschwimmkörpers 3 zeigt Fig. 7 in einer Art Explosionsdarstellung.The arrangement of the stabilizing part 30 shown in FIG. 6 is supplemented by a pull tab 31, which is parallel to the deployment lever 6 in the bearing parts 28 is stored. The pull tab 31 serves to absorb tensile forces in the Road level of the floating pontoon 1 and at the same time as a warehouse for the Torsion bar 23. If necessary, can also still parallel to the pull tab 31 a further guide tab 32 can be provided, which prevents the Shifts in the direction of the gap 24 is used. The arrangement of the Stabilizing part 30 at the front ends of an inner float 2 and an outer float 3 is shown in FIG. 7 in a manner Exploded view.

Die Funktion des erfindungsgemäßen Schwimmpontons in den einzelnen Bewegungs- bzw. Gebrauchszuständen kann wie folgt beschrieben werden.The function of the floating pontoon according to the invention in the individual Movement or use states can be described as follows.

Im Zustand des Entfaltens (Fig. 2 und 4) wirkt im wesentlichen nur der Entfalthebel 6 auf die Außenschwimmkörper 3 und bewirkt, dass sich diese entgegengesetzt zu den Innenschwimmkörpern 2 und entgegen den Auftriebskräften A entfalten. Das Stabilisierungsteil 30 verhindert dabei die Gefahr eines Verschränkens der Schwimmkörper 2, 3 gegeneinander, was zu befürchten ist, wenn der Schwimmponton 1 nach dem Abgleiten vom Transportfahrzeug im Wasser aufschwimmt und dabei gegebenenfalls eine Wippbewegung durchführt.In the state of unfolding (Fig. 2 and 4) essentially only the Unfold lever 6 on the outer float 3 and causes this opposite to the inner floats 2 and against the Unleash buoyancy forces A. The stabilizing part 30 prevents the Risk of entanglement of the floating bodies 2, 3 against each other, leading to fear if the floating pontoon 1 after sliding off Transport vehicle floats in the water and possibly one Performs rocking motion.

Im Gebrauchszustand (Fig. 3 und 5) wirkt der Entfalthebel 6 als Querkraftverbindung zwischen dem Innen- und Außenschwimmkörper 2, 3 in verschiedenen Belastungszuständen.In the state of use (Fig. 3 and 5), the deployment lever 6 acts as Shear force connection between the inner and outer floats 2, 3 in different load conditions.

Bei Belastung der Innenschwimmkörper 2 durch Verkehrslasten in Richtung der Kraft P in Fig. 5 wird die volle Auftriebskraft des Außenschwimmkörpers 3 auf den Innenschwimmkörper 2 übertragen. Dabei wirkt in dem Gelenkbolzen 13 eine vertikale Kraft nach unten. Diese erzeugt ein Drehmoment am Entfalthebel 6, das durch den Gelenkbolzen 14 und den Anschlag 21 auf den Außenschwimmkörper 3 übertragen wird. Dieses Drehmoment und das Moment aus der Auftriebslage des Außenschwimmkörpers 2 werden über die Zuglasche 31 und die Schwimmkörperverriegelung 33 am Innenschwimmkörper 2 abgestützt.When the inner float 2 is loaded by traffic loads in the direction of Force P in FIG. 5 becomes the full buoyancy force of the outer floating body 3 transfer the inner float 2. This acts in the hinge pin 13 a vertical force down. This generates a torque on the deployment lever 6, through the hinge pin 14 and the stop 21 on the Outdoor float 3 is transmitted. This torque and the moment from the buoyancy of the outer float 2 become the pull tab 31 and the float lock 33 on the inner float 2 supported.

Bei einem eventuellen Anheben des Innenschwimmkörpers 2 in der Brückenlinie, z. B. durch negative Momente, wird Gewichtskraft des Außenschwimmkörpers 3 auf den Innenschwimmkörper 2 übertragen. Dabei wirkt im Gelenkbolzen 14 eine vertikale Kraft nach unten. Das daraus entstehende Drehmoment wird durch den Gelenkbolzen 13 und die Anlage des Seilarms 7 am Anschlag 20 auf den Innenschwimmkörper 2 übertragen (Fig. 5).If the inner float 2 is lifted in the Bridge line, e.g. B. by negative moments, the weight of the Transfer the outer float 3 to the inner float 2. there a vertical force acts downward in the pivot pin 14. That from it Torque is generated by the hinge pin 13 and the system of Transfer the rope arm 7 to the inner float 2 at the stop 20 (FIG. 5).

Der Aufnahmevorgang eines Schwimmpontons aus dem Wasser ist schematisch in Fig. 9 dargestellt. Hier vor allem wirkt die Stabilisierung zwischen dem Innenschwimmkörper 2 und dem Außenschwimmkörper 3 durch das Stabilisierungsteil 30. The process of taking a floating pontoon out of the water is shown schematically in Fig. 9. Stabilization works here above all between the inner float 2 and the outer float 3 the stabilizing part 30.

Beim Aufnahmevorgang werden die Innenschwimmkörper 2 einseitig angehoben und dabei im Wasser verdreht. Diese Verdrehung muss auch auf die Außenschwimmkörper 3 übertragen werden, um eine Verschränkung zwischen Innen- und Außenschwimmkörper zu vermeiden. Eine solche Verschränkung der Schwimmkörper 2, 3 kann durch die erfindungsgemäß vorgeschlagene torsionssteife Verbindung der Entfalthebel 6 aufgefangen werden. Während eine drehfeste Verbindung der Entfalthebel 6 über die gesamte Länge des Schwimmpontons 1 nachteilig wäre, weil wegen der Länge des Verbindungsstabes ein großer Querschnitt erforderlich ist, benutzt die Erfindung durch die Stabilisierungsteile 30 an beiden Seiten des Schwimmpontons 1 nur Teilstücke dessen Gesamtlänge zur Stabilisierung und damit natürlich auch nur jeweils einen Anteil der Gesamtverschränkung.During the recording process, the inner floats 2 become one-sided raised and twisted in the water. This twist must also be on the outer float 3 are transferred to an entanglement between the inside and outside of the float. Such The float 2, 3 can be entangled by the invention proposed torsionally stiff connection of the deployment lever 6 collected become. During a rotationally fixed connection of the deployment lever 6 via the entire length of the floating pontoon 1 would be disadvantageous because of the length the connecting rod requires a large cross section, use the Invention by the stabilizing parts 30 on both sides of the Floating pontoons 1 only sections whose total length for stabilization and thus of course only a part of the total entanglement.

Dabei wird die Verdrehung zwischen dem Entfalthebel 6 und der Stabilisierungslasche 25 über einen entsprechend kurzen Torsionsstab 23 stabilisiert. Der Entfalthebel 6 wird dazu in Bohrungen gleichzeitig mit der Zuglasche 31 bzw. einer Führungslasche 32 fixiert, während die Stabilisierungslasche, wie bereits beschrieben, über justierbare Lagerklötze 27 an den Schwimmkörpern 2 bzw. 3 abgestützt wird.The twist between the deployment lever 6 and the Stabilizing tab 25 via a correspondingly short torsion bar 23 stabilized. The deployment lever 6 is in holes simultaneously with the Pull tab 31 or a guide tab 32 fixed while the Stabilizing bracket, as already described, via adjustable bearing blocks 27 is supported on the floats 2 and 3.

Claims (8)

  1. A folding floating pontoon comprising two inner and two outer floats (2,3) which in each case are connected by means of articulations (4,5), which can be folded up into the form of a W in a transportation position and which are connected to a cable-operated device, which comprises control cables (8) and levers (6,11), to assist in the folding and unfolding operations, wherein a respective two-armed unfolding lever (6) mounted at the end faces of the outer floats and loaded at one end by a control cable acts with its opposite end against an abutment,
    characterised in that the articulation between the outer float (3) and the inner float (2) is in the form of a double articulation (5) comprising a respective hinge pin (13,14) mounted on the outer float(3) and on the inner float (2),
    in that the unfolding lever (6) serves as an articulation plate for the articulated connection of the hinge pins (13,14),
    in that the unfolding levers (6) disposed respectively at the end faces of the floating pontoon (1) are connected to one another so as to be constrained to move together, and
    in that each unfolding lever (6) is connected in a manner precluding independent rotation to one end of a rod (23) which extends only over part of the length of the floating pontoon (1) and which, in turn, is connected at its opposite end in a manner precluding independent rotation to a stabilising plate (25) which is mounted on the outer float (3) and the inner float (2) respectively in alignment with the hinge pins (13,14).
  2. A floating pontoon according to Claim 1, characterised in that the unfolding levers (6) are connected to one another over the length of the floating pontoon (1) entirely in a manner precluding independent rotation.
  3. A floating pontoon according to Claim 1, characterised in that the rod (23) passes rotatably through a tension plate (31) which connects the hinge pins (13,14) along their length in an articulated, tension-resistant and pressure-resistant manner.
  4. A floating pontoon according to Claim 3, characterised in that a further articulation plate (32), which transmits lateral forces towards the hinge axes, is arranged adjacent and parallel to the tension plate (31).
  5. A floating pontoon according to any one of Claims 1 to 4, characterised in that, at its end opposite the cable arm (7) connected with the cable (8), the unfolding lever (6) has an abutment arm (9) which co-operates in the unfolding condition and in the operative condition with stop members (17,21) provided on the outer float (3).
  6. A floating pontoon according to Claim 5, characterised in that the stop members (17,21) are disposed on an approximately angular abutment member (10).
  7. A floating pontoon according to any one of Claims 1 to 6, characterised in that the cable arm (7) of the unfolding lever (6) co-operates in the operative condition with a stop member (20) provided on the inner float (2).
  8. A floating pontoon according to Claim 7, characterised in that the stop member (20) is elastically sprung.
EP99118502A 1998-11-06 1999-09-18 Foldable floating pontoon Expired - Lifetime EP0999125B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19851346 1998-11-06
DE19851346A DE19851346A1 (en) 1998-11-06 1998-11-06 Foldable floating pontoon

Publications (3)

Publication Number Publication Date
EP0999125A2 EP0999125A2 (en) 2000-05-10
EP0999125A3 EP0999125A3 (en) 2001-09-19
EP0999125B1 true EP0999125B1 (en) 2004-07-28

Family

ID=7886997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99118502A Expired - Lifetime EP0999125B1 (en) 1998-11-06 1999-09-18 Foldable floating pontoon

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US (1) US6135048A (en)
EP (1) EP0999125B1 (en)
AT (1) ATE271995T1 (en)
DE (2) DE19851346A1 (en)
ES (1) ES2226255T3 (en)
PT (1) PT999125E (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19915353B4 (en) * 1999-04-06 2006-06-29 General Dynamics Santa Bárbara Sistemas GmbH Ramp unit for W-shaped foldable floating pontoons
DE102004036838A1 (en) * 2004-07-29 2006-03-23 General Dynamics Santa Barbara Sistemas Gmbh Folding boat system especially for military bridges and ferries has two hulls hinge mounted under a deck to fold between a compact transport position and an extended deployed position
CN102452459A (en) * 2010-10-20 2012-05-16 湖北华舟重工有限责任公司 Four-folded pontoon bridge powered by self-contained outboard motor
US11358685B1 (en) 2022-01-20 2022-06-14 Randy Lucas Modular catamaran

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US831636A (en) * 1905-02-20 1906-09-25 Arthur J Suhm Water-craft.
US2093320A (en) * 1936-10-16 1937-09-14 Hunt James Vernon Boat
US4172426A (en) * 1978-03-31 1979-10-30 Leonard Susman Folding outrigger releasable brace for trimaran
DE3004397C2 (en) * 1980-02-07 1982-07-22 Eisenwerke Kaiserslautern Entwicklungsgesellschaft mbH, 6750 Kaiserslautern Foldable floating pontoon
GB2117713B (en) * 1982-04-05 1986-04-23 Goeppner Kaiserslautern Eisen A collapsible floating pontoon
DE3406392C2 (en) * 1984-02-22 1986-01-02 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Device for deploying a pontoon unit
DE3905283C1 (en) * 1989-02-21 1990-07-12 Man Gutehoffnungshuette Ag, 4200 Oberhausen, De
DE4305098A1 (en) * 1993-02-19 1994-08-25 Krupp Industrietech Device for unfolding and folding a pontoon unit
DE29516480U1 (en) * 1995-10-18 1995-12-07 Eisenwerke Kaiserslautern GmbH, 67655 Kaiserslautern Pontoon for military folding swimming bridges and translation ferries

Also Published As

Publication number Publication date
EP0999125A2 (en) 2000-05-10
DE19851346A1 (en) 2000-05-11
DE59910056D1 (en) 2004-09-02
PT999125E (en) 2004-10-29
ES2226255T3 (en) 2005-03-16
US6135048A (en) 2000-10-24
EP0999125A3 (en) 2001-09-19
ATE271995T1 (en) 2004-08-15

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