EP3409838A1 - Buoyant body for forming of bridge sections - Google Patents
Buoyant body for forming of bridge sections Download PDFInfo
- Publication number
- EP3409838A1 EP3409838A1 EP17173632.5A EP17173632A EP3409838A1 EP 3409838 A1 EP3409838 A1 EP 3409838A1 EP 17173632 A EP17173632 A EP 17173632A EP 3409838 A1 EP3409838 A1 EP 3409838A1
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- EP
- European Patent Office
- Prior art keywords
- support
- buoyant body
- spring element
- floating
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 5
- 239000003643 water by type Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Classifications
-
- 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
- E01D15/14—Floating bridges, e.g. pontoon bridges
Definitions
- the present invention relates to a floating body for forming bridge sections and a floating bridge arrangement comprising such floating bodies.
- swimming bridges such. a pontoon bridge.
- floating bridges such as pontoon bridges
- drag anchors If such floating bridges, such as pontoon bridges, are to be left in place for a longer period of time, they will be anchored to the land or by means of drag anchors.
- swimming bridges can only absorb a limited load. In some cases, however, it is necessary to transport heavy vehicles or heavy loads across a body of water whose weight exceeds the buoyancy of a floating bridge.
- supports are attached to the pontoons to increase the load capacity of the bridge.
- a pontoon with support is for example in the DE 1 784 572 A described.
- Such supports then serve the anchoring of the pontoon bridges at a certain point.
- the length of the supports is selected so that the unloaded buoyancy body protrudes completely from a body of water to provide flow resistance in flowing waters.
- the load acting on the pontoon bridge is almost entirely borne by the supports.
- the supports are therefore usually very stable and thus relatively heavy. On the one hand, this results in high production costs and, on the other hand, causes difficulties in transporting the pontoon elements over the road due to the high weight of the supports.
- the unloaded buoyancy body is deliberately completely or partially immersed in the water, so that a part of the load acting on the bridge is absorbed by the buoyancy of the buoyancy body and the load acting on the pontoon bridge both from the supports as is also supported by the buoyancy bodies.
- the water level of the water plays an important role. If the water level rises only slightly, there is already the danger that the bridge will be flooded. If the water level is too low, the buoyant body can not absorb any load. This has the consequence that in the DE 1 784 572 A meaningfully used arrangement only in stagnant water with a barely changing water level.
- a float for forming bridge sections with a buoyant body and at least one extendable rod-like support, wherein the support is arranged with its upper end on the buoyant body and fastened with its lower end to the bottom of a body of water and the support relative to the buoyant body displaceable is stored.
- the invention is based on the recognition that in the previous arrangements, the supports and the buoyancy bodies are coupled together, which means that the load that can absorb a floating body anchored in the ground state, is less than the sum of the loads, which by the supports alone and could be absorbed by the buoyancy alone. This is especially the case when the buoyant body protrudes too far out of the water surface due to the selected length of the supports, so that the buoyancy of the buoyant body is only very low. In general, however, one will choose this arrangement to avoid flooding a provided on the surface of the buoyancy body roadway with increasing water level.
- the buoyancy force of the buoyant body is thus often not sufficiently utilized in conventional bridges to increase the maximum load of a bridge for given supports or to reduce the force acting on the supports.
- buoyancy of the buoyant body is dependent on the length of the support in the firmly anchored state.
- the at least one support is slidably mounted relative to the buoyant body, with the result that the float is still held by the support and thus firmly anchored, the buoyancy body but despite fixed support has a variable buoyancy force.
- the buoyancy body can thus be pushed deeper into the water starting from a basic position than in the basic position, so that a higher buoyancy force acts than in the basic position.
- part of the load acting on the float is received by the buoyancy body and the force acting on the supports is lower at a comparable load on the float than in arrangements with a fixed connection between the buoyant body and the supports.
- the supports can thus be formed easier and cheaper than previously known floats with supports. With the aid of the present invention, it is thus also possible to apply a higher load to a floating body with the known supports.
- the buoyant body With increasing water level, the buoyant body can adapt to the water level, so that the risk of flooding a provided on the surface of the buoyancy body roadway is reduced.
- the buoyancy body is vertically displaceable relative to the support in order to optimally utilize the buoyancy force and not to change the road level provided on the upper surface of the buoyancy body, in particular to avoid tilting of a roadway provided on the upper surface of the buoyancy body.
- a bearing with a bearing unit is provided between the buoyancy body and the support.
- the support and / or the buoyant body is connected via a hinge connection with the storage unit.
- the articulation offers the possibility that the anchoring to the bottom of the water can also be done in places that can not be achieved without deflection of the support, so as to better adapt to the conditions of the soil. In flowing waters, the deflection of the supports has the additional advantage that flow forces can be absorbed thereby.
- the buoyant body has side walls, the bearing unit being attached to one of the sidewalls of the buoyant body. This allows a simple construction of the float.
- a bearing unit with a spring element is provided between the support and the buoyant body in order to control the immersion depth of the buoyant body or to set the maximum immersion depth.
- the spring element also serves to ensure that the buoyancy body and the support are continuously displaced against each other.
- the bearing so that the spring element is tensioned when the buoyant body is pressed into the water.
- the restoring force of the spring element is used to provide a further supporting force in addition to the buoyancy force of the buoyant body, so that the floating body can carry high loads.
- the spring element is designed so that in an operating state in which the lower end of the support is fixed to the bottom of a body of water, the maximum compression of the spring element is achieved when the top of the buoyant body is at the level of the water level. This ensures that even at maximum load, the top of the buoyant body is not immersed in the water.
- the bearing unit is designed like a piston with a bearing sleeve, a piston displaceable with the bearing sleeve and a spring element, wherein the spring element is arranged in the space formed by the bearing sleeve and the piston.
- the bearing sleeve on the buoyancy body and the piston on the support or according to a second embodiment, the bearing sleeve on the support and the piston may be arranged on the buoyant body.
- the spring element can be designed pneumatically, hydraulically or mechanically.
- the subject of the present invention is likewise a floating bridge arrangement comprising at least one floating body according to one of the preceding claims.
- the floating bridge device is an amphibious bridge system or a pontoon bridge.
- a pontoon bridge is understood to mean a bridge in which the floats are connected to each other. As a rule, there is a roadway on the top of the interconnected floats.
- the bridge In an amphibious bridge system, the bridge is formed of several amphibious bridge vehicles.
- Fig. 1 shows the basic structure of a floating body 10 for the formation of bridge elements in a body of water in a side view.
- the floating body 10 designed as a pontoon comprises a cuboid buoyant body 12 with four side walls 14 and two extendable rod-like supports 16a, 16b.
- Each support 16a, 16b is arranged with its upper end 18 on a side wall 14 of the buoyant body 12, wherein each support 16a, 16b is fixedly connected to the buoyancy body 12 via a bearing unit 20a, 20b.
- the lower end 22 of each support 16a, 16b is attached to the bottom of a body of water.
- left support 16b is as an inclined support
- the in Fig. 1 shown right support 16a is formed as a vertical support.
- a roadway may be provided on the top of the buoyant body 12, a roadway may be provided.
- the length of the extendable supports 16a and 16b can be chosen arbitrarily and adapted to the distance between buoyant body 12 and the bottom of the water. Ideally, the length of the extendable supports 16a, 16b adapted to the environment that the buoyant body 12 drives on the water and the supports 16a and 16b act here only as an anchorage for the buoyant body 12. The supports 16a and 16b neither draw the buoyant body 12 under water nor lift the drive body out of the water.
- Fig. 2 shows a first embodiment of a bearing unit 120 for a vertical support 116.
- the bearing unit 120 is attached to a side wall 114 of the buoyancy body 112.
- the bearing unit 120 is of a reciprocating design and comprises a bearing sleeve 130, a piston 132 displaceable in the bearing sleeve 130 and a spring element 134, the spring element 134 being arranged in the space 136 formed by the bearing sleeve 130 and the piston 132.
- the spring element 134 is a hydraulic spring element which has a hydraulic fluid and a storage container 138.
- the support 116 is connected to the piston 132.
- the bearing sleeve 130 shifts downwards together with the buoyant body 112 in the direction of the water bottom.
- the support 116 remains in its original position so that the buoyant body 112 moves vertically relative to the support.
- the hydraulic fluid of the spring element 134 is compressed. The compressed hydraulic fluid counteracts the load acting on the buoyancy body 112, so that only part of the force acting on the buoyancy body 112 has to be absorbed by the support 116.
- the space 136 for receiving the hydraulic fluid is dimensioned so that the maximum compression of the hydraulic fluid then reaches is when the top of the float is at the level of the water level.
- Fig. 3 shows a second embodiment of a storage unit 220, which differs from the in Fig. 2 illustrated embodiment differs in that instead of a hydraulic spring element, a mechanical spring element in the form of a spring 240 is used.
- the functioning of in Fig. 3 shown bearing unit 220 is analogous to that in Fig. 3 shown bearing unit 120, so that the buoyancy body 212 under load vertically is displaced with respect to the support 216 and the thus biased spring 240 receives a part of the force acting on the buoyancy body 212. As a result, the support 216 no longer has to bear the full load.
- FIGS. 2 and 3 illustrated embodiments of a storage unit are particularly suitable for vertical supports. However, they can also be used with slanted columns.
- a bearing unit 320 is shown, which is particularly suitable for an inclined support 316.
- the bearing unit 320 is of a reciprocating design and has a bearing sleeve 330, a piston 332 displaceable in the bearing sleeve 330 and a spring element in the form of a spring 334, wherein the spring element is arranged in the space 336 formed by the bearing sleeve 330 and the piston 332.
- a rod 342 is arranged.
- the rod 342 is attached at one end to the buoyant body 312 and at the other end to the piston 332 of the bearing unit 320, so that the rod 342 is slidable relative to the bearing sleeve 330.
- the support 316 is connected via a hinge 344 with the bearing sleeve 330.
- a pivotable support bar 346 is further provided between bearing sleeve 330 and support 316.
- the buoyant body 312 If the buoyant body 312 is pressed down into the water as a result of a load acting on the buoyant body 312, the rod 342 together with the buoyant body 312 is pressed down towards the water bottom. Since the post 316 remains in its original position, the spring 334 is compressed. The buoyant body 312 shifts downward with respect to the inclined support 316 in the vertical direction. The compressed spring 334 counteracts the load acting on the buoyant body 312, so that only part of the force acting on the buoyant body 312 has to be absorbed by the inclined support 316.
- the buoyancy body is in the context of the invention thus for each drivable element that is suitable for the construction of bridges. It can be equipped like pontoons without its own drive or be provided with an own drive like an amphibious vehicle.
Abstract
Die vorliegende Erfindung betrifft einen Schwimmkörper zur Ausbildung von Brückenabschnitten mit einem Auftriebskörper (12; 112; 212; 312) und mindestens einer ausfahrbaren stangenartigen Stütze (16a, 16b; 116; 216, 316), die mit ihrem oberen Ende (14) am Auftriebskörper (12; 112; 212; 312) angeordnet und mit ihrem unteren Ende (22) am Boden eines Gewässers befestigbar ist, wobei die Stütze (16a, 16b; 116; 216, 316) gegenüber dem Auftriebskörper (12; 112; 212; 312) verschiebbar gelagert ist.The present invention relates to a floating body for forming bridge sections comprising a buoyant body (12; 112; 212; 312) and at least one extendable rod-like support (16a, 16b; 116; 216, 316) with their upper end (14) on the buoyant body (12; 112; 212; 312) and with its lower end (22) fastened to the bottom of a body of water, the support (16a, 16b; 116; 216, 316) being opposite the buoyancy body (12; 112; 212; 312 ) is slidably mounted.
Description
Die vorliegende Erfindung betrifft einen Schwimmkörper zur Ausbildung von Brückenabschnitten und eine Schwimmbrückenanordnung umfassend solche Schwimmkörper.The present invention relates to a floating body for forming bridge sections and a floating bridge arrangement comprising such floating bodies.
Für zivile und militärische Zwecke kann es notwendig sein, provisorische Brücken über ein Gewässer zu errichten. Hierfür eignen sich Schwimmbrücken, wie z.B. eine Pontonbrücke.For civil and military purposes, it may be necessary to build temporary bridges over a body of water. For this purpose, swimming bridges, such. a pontoon bridge.
Sollen solche Schwimmbrücken wie Pontonbrücken länger an einer bestimmten Stelle aufgebaut bleiben, werden diese mit dem Land oder durch Schleppanker verankert.If such floating bridges, such as pontoon bridges, are to be left in place for a longer period of time, they will be anchored to the land or by means of drag anchors.
Schwimmbrücken können jedoch nur eine begrenzte Last aufnehmen. In manchen Fällen ist es jedoch notwendig, schwere Fahrzeuge oder schwere Lasten über ein Gewässer zu transportieren, deren Gewichtskraft die Auftriebskräfte einer Schwimmbrücke übersteigen.However, swimming bridges can only absorb a limited load. In some cases, however, it is necessary to transport heavy vehicles or heavy loads across a body of water whose weight exceeds the buoyancy of a floating bridge.
In diesen Fällen werden an den Pontons Stützen angebracht, um die Traglast der Brücke zu erhöhen. Ein solcher Ponton mit Stütze ist beispielsweise in der
Üblicherweise wird die Länge der Stützen so gewählt, dass der unbelastete Auftriebskörper vollständig aus einem Gewässer herausragt, um in strömenden Gewässern keinen Strömungswiderstand zu liefern. In dieser Anordnung wird die auf die Pontonbrücke wirkende Last fast vollständig von den Stützen getragen.Usually, the length of the supports is selected so that the unloaded buoyancy body protrudes completely from a body of water to provide flow resistance in flowing waters. In this arrangement, the load acting on the pontoon bridge is almost entirely borne by the supports.
Um hohe Lasten aufnehmen zu können, sind die Stützen daher in der Regel sehr stabil ausgebildet und somit verhältnismäßig schwer. Dies hat zum einen hohe Fertigungskosten zur Folge und bereitet zum anderen aufgrund des hohen Gewichts der Stützen Schwierigkeiten beim Transport der Pontonelemente über die Straße.To be able to absorb high loads, the supports are therefore usually very stable and thus relatively heavy. On the one hand, this results in high production costs and, on the other hand, causes difficulties in transporting the pontoon elements over the road due to the high weight of the supports.
In der
Es ist daher Aufgabe der vorliegenden Erfindung, einen Schwimmkörper zur Ausbildung von Brückenabschnitten bereitzustellen, der hohe Lasten aufnehmen kann, vergleichsweise günstig herstellbar ist, flexibel sowohl in stehenden als auch in strömenden Gewässern einsetzbar ist und insbesondere einfach transportierbar ist.It is therefore an object of the present invention to provide a floating body for the formation of bridge sections, which can accommodate high loads, is relatively inexpensive to produce, can be used flexibly in both standing and flowing waters and in particular is easy to transport.
Diese Aufgabe wird durch einen Schwimmkörper zur Ausbildung von Brückenabschnitten mit einem Auftriebskörper und mindestens einer ausfahrbaren stangenartigen Stütze gelöst, wobei die Stütze mit ihrem oberen Ende am Auftriebskörper angeordnet und mit ihrem unteren Ende am Boden eines Gewässers befestigbar ist und wobei die Stütze gegenüber dem Auftriebskörper verschiebbar gelagert ist.This object is achieved by a float for forming bridge sections with a buoyant body and at least one extendable rod-like support, wherein the support is arranged with its upper end on the buoyant body and fastened with its lower end to the bottom of a body of water and the support relative to the buoyant body displaceable is stored.
Der Erfindung liegt die Erkenntnis zugrunde, dass bei den bisherigen Anordnungen die Stützen und die Auftriebskörper miteinander gekoppelt sind, was dazu führt, dass die Last, die ein Schwimmkörper im am Boden verankerten Zustand aufnehmen kann, geringer ist als die Summe der Lasten, welche durch die Stützen allein und durch die Auftriebskörper allein aufgenommen werden könnten. Dies ist vor allem dann der Fall, wenn der Auftriebskörper aufgrund der gewählten Länge der Stützen zu weit aus der Wasseroberfläche hinausragt, so dass die Auftriebskraft des Auftriebskörpers nur noch sehr gering ist. In der Regel wird man jedoch diese Anordnung wählen, um ein Überfluten einer auf der Oberfläche des Auftriebskörpers vorgesehenen Fahrbahn bei steigendem Wasserspiegel zu vermeiden.The invention is based on the recognition that in the previous arrangements, the supports and the buoyancy bodies are coupled together, which means that the load that can absorb a floating body anchored in the ground state, is less than the sum of the loads, which by the supports alone and could be absorbed by the buoyancy alone. This is especially the case when the buoyant body protrudes too far out of the water surface due to the selected length of the supports, so that the buoyancy of the buoyant body is only very low. In general, however, one will choose this arrangement to avoid flooding a provided on the surface of the buoyancy body roadway with increasing water level.
Da die bisherigen Pontonbrücken nicht flexibel auf den Wasserstand anpassbar sind, wird bei herkömmlichen Brücken somit die Auftriebskraft des Auftriebskörpers häufig nicht ausreichend ausgenutzt, um die maximale Last einer Brücke bei gegebenen Stützen zu erhöhen bzw. die auf die Stützen wirkende Kraft zu reduzieren.Since the previous pontoon bridges are not flexibly adaptable to the water level, the buoyancy force of the buoyant body is thus often not sufficiently utilized in conventional bridges to increase the maximum load of a bridge for given supports or to reduce the force acting on the supports.
Des Weiteren wurde erkannt, dass die Auftriebskraft des Auftriebskörpers von der Länge der Stütze im fest verankerten Zustand abhängig ist.Furthermore, it was recognized that the buoyancy of the buoyant body is dependent on the length of the support in the firmly anchored state.
Bei der vorliegenden Erfindung ist die mindestens eine Stütze gegenüber dem Auftriebskörper verschiebbar gelagert, was zur Folge hat, dass der Schwimmkörper weiterhin durch die Stütze gehalten wird und somit fest verankerbar ist, der Auftriebskörper aber trotz feststehender Stütze eine variable Auftriebskraft hat. Für den Fall, dass in einem Gewässer eine hohe Last auf den Schwimmkörper wirkt, kann der Auftriebskörper somit ausgehend von einer Grundposition tiefer in das Wasser gedrückt werden als in der Grundposition, so dass eine höhere Auftriebskraft als in der Grundposition wirkt. Dies führt dazu, dass ein Teil der auf den Schwimmkörper wirkenden Last von dem Auftriebskörper aufgenommen wird und die auf die Stützen wirkende Kraft bei vergleichbarer Last auf dem Schwimmkörper geringer ist als bei Anordnungen mit einer festen Verbindung zwischen Auftriebskörper und Stützen.In the present invention, the at least one support is slidably mounted relative to the buoyant body, with the result that the float is still held by the support and thus firmly anchored, the buoyancy body but despite fixed support has a variable buoyancy force. In the event that a high load acts on the floating body in a body of water, the buoyancy body can thus be pushed deeper into the water starting from a basic position than in the basic position, so that a higher buoyancy force acts than in the basic position. As a result, part of the load acting on the float is received by the buoyancy body and the force acting on the supports is lower at a comparable load on the float than in arrangements with a fixed connection between the buoyant body and the supports.
Die Stützen können somit leichter und kostengünstiger als bei bisher bekannten Schwimmkörpern mit Stützen ausgebildet werden. Mit Hilfe der vorliegenden Erfindung ist es somit auch möglich, einen Schwimmkörper mit den bekannten Stützen mit einer höheren Last zu beaufschlagen.The supports can thus be formed easier and cheaper than previously known floats with supports. With the aid of the present invention, it is thus also possible to apply a higher load to a floating body with the known supports.
Bei steigendem Wasserspiegel kann sich der Auftriebskörper dem Wasserspiegel anpassen, so dass die Gefahr der Überflutung einer an der Oberfläche des Auftriebskörpers vorgesehenen Fahrbahn reduziert ist.With increasing water level, the buoyant body can adapt to the water level, so that the risk of flooding a provided on the surface of the buoyancy body roadway is reduced.
Bei einer bevorzugten Ausführungsform ist der Auftriebskörper gegenüber der Stütze vertikal verschiebbar, um die Auftriebskraft optimal zu nutzen und die auf der Oberseite des Auftriebskörpers vorgesehene Fahrbahnebene nicht zu verändern, insbesondere um ein Verkippen einer auf der Oberseite des Auftriebskörpers vorgesehenen Fahrbahnebene zu vermeiden.In a preferred embodiment, the buoyancy body is vertically displaceable relative to the support in order to optimally utilize the buoyancy force and not to change the road level provided on the upper surface of the buoyancy body, in particular to avoid tilting of a roadway provided on the upper surface of the buoyancy body.
Es ist weiterhin bevorzugt, dass zwischen Auftriebskörper und der Stütze eine Lagerung mit einer Lagereinheit vorgesehen ist.It is further preferred that a bearing with a bearing unit is provided between the buoyancy body and the support.
Gemäß einer bevorzugten Weiterbildung ist die Stütze und/oder der Auftriebskörper über eine Gelenkverbindung mit der Lagereinheit verbunden. Die Gelenkverbindung bietet die Möglichkeit, dass die Verankerung am Boden des Gewässers auch an Stellen erfolgen kann, die ohne Auslenkung der Stütze nicht erreicht werden können, um sich so besser den Gegebenheiten des Bodens anzupassen. In strömenden Gewässern hat die Auslenkung der Stützen den zusätzlichen Vorteil, dass dadurch Strömungskräfte aufgenommen werden können.According to a preferred embodiment, the support and / or the buoyant body is connected via a hinge connection with the storage unit. The articulation offers the possibility that the anchoring to the bottom of the water can also be done in places that can not be achieved without deflection of the support, so as to better adapt to the conditions of the soil. In flowing waters, the deflection of the supports has the additional advantage that flow forces can be absorbed thereby.
Bei einer bevorzugten Ausführungsform weist der Auftriebskörper Seitenwände auf, wobei die Lagereinheit an einer der Seitenwände des Auftriebskörpers befestigt ist. Dies ermöglicht einen einfachen Aufbau des Schwimmkörpers.In a preferred embodiment, the buoyant body has side walls, the bearing unit being attached to one of the sidewalls of the buoyant body. This allows a simple construction of the float.
Vorzugsweise ist zwischen der Stütze und dem Auftriebskörper eine Lagereinheit mit einem Federelement vorgesehen, um die Eintauchtiefe des Auftriebskörpers zu kontrollieren bzw. die maximale Eintauchtiefe einzustellen. Das Federelement dient darüber hinaus dazu, dass der Auftriebskörper und die Stütze stufenlos gegeneinander verschiebbar sind.Preferably, a bearing unit with a spring element is provided between the support and the buoyant body in order to control the immersion depth of the buoyant body or to set the maximum immersion depth. The spring element also serves to ensure that the buoyancy body and the support are continuously displaced against each other.
Es ist von Vorteil, die Lagerung so auszulegen, dass sich das Federelement spannt, wenn der Auftriebskörper ins Wasser gedrückt wird. Die Rückstellkraft des Federelements wird genutzt, um zusätzlich zur Auftriebskraft des Auftriebskörpers eine weitere Stützkraft bereitzustellen, so dass der Schwimmkörper hohe Lasten tragen kann.It is advantageous to design the bearing so that the spring element is tensioned when the buoyant body is pressed into the water. The restoring force of the spring element is used to provide a further supporting force in addition to the buoyancy force of the buoyant body, so that the floating body can carry high loads.
Vorzugsweise ist das Federelement so ausgelegt, dass in einem Betriebszustand, in dem das untere Ende der Stütze auf dem Boden eines Gewässers befestigt ist, die maximale Kompression des Federelementes dann erreicht ist, wenn die Oberseite des Auftriebskörpers auf Höhe des Wasserspiegels ist. So ist gewährleistet, dass selbst bei maximaler Belastung die Oberseite des Auftriebskörpers nicht in das Wasser eintaucht.Preferably, the spring element is designed so that in an operating state in which the lower end of the support is fixed to the bottom of a body of water, the maximum compression of the spring element is achieved when the top of the buoyant body is at the level of the water level. This ensures that even at maximum load, the top of the buoyant body is not immersed in the water.
Bei einer bevorzugten Ausführungsform ist die Lagereinheit hubkolbenartig mit einer Lagerhülse, einem mit der Lagerhülse verschiebbaren Kolben und einem Federelement ausgebildet, wobei das Federelement in dem von der Lagerhülse und dem Kolben gebildeten Raum angeordnet ist. Hierbei können gemäß einer ersten Ausführungsform die Lagerhülse an dem Auftriebskörper und der Kolben an der Stütze oder gemäß einer zweiten Ausführungsform die Lagerhülse an der Stütze und der Kolben an dem Auftriebskörper angeordnet sein.In a preferred embodiment, the bearing unit is designed like a piston with a bearing sleeve, a piston displaceable with the bearing sleeve and a spring element, wherein the spring element is arranged in the space formed by the bearing sleeve and the piston. Here, according to a first embodiment, the bearing sleeve on the buoyancy body and the piston on the support or according to a second embodiment, the bearing sleeve on the support and the piston may be arranged on the buoyant body.
Das Federelement kann pneumatisch, hydraulisch oder mechanisch ausgebildet sein.The spring element can be designed pneumatically, hydraulically or mechanically.
Gegenstand der vorliegenden Erfindung ist ebenfalls eine Schwimmbrückenanordnung, umfassend wenigstens einen Schwimmkörper nach einem der vorhergehenden Ansprüche.The subject of the present invention is likewise a floating bridge arrangement comprising at least one floating body according to one of the preceding claims.
Vorzugsweise ist die Schwimmbrückenvorrichtung ein amphibisches Brückensystem oder eine Pontonbrücke. Unter einer Pontonbrücke wird eine Brücke verstanden, bei der die Schwimmkörper miteinander verbunden sind. In der Regel befindet sich eine Fahrbahn auf der Oberseite der miteinander verbundenen Schwimmkörper. Bei einem amphibischen Brückensystem wird die Brücke aus mehreren amphibischen Brückenfahrzeugen gebildet.Preferably, the floating bridge device is an amphibious bridge system or a pontoon bridge. A pontoon bridge is understood to mean a bridge in which the floats are connected to each other. As a rule, there is a roadway on the top of the interconnected floats. In an amphibious bridge system, the bridge is formed of several amphibious bridge vehicles.
Bevorzugte Ausführungsformen der Erfindung werden in den nachfolgenden Zeichnungen näher erläutert. Es zeigen:
- Fig. 1
- einen Schwimmkörper mit einer schrägen und einer vertikalen Stütze in einer Seitenansicht;
- Fig. 2
- einen Längsschnitt durch eine Lagereinheit gemäß einer ersten Ausführungsform;
- Fig. 3
- einen Längsschnitt durch eine Lagereinheit gemäß einer zweiten Ausführungsform;
- Fig. 4
- einen Längsschnitt durch eine Lagereinheit gemäß einer dritten Ausführungsform;
- Fig. 5
- einen Querschnitt durch die in
Fig. 4 dargestellte Lagereinheit; - Fig. 6
- ein amphibisches Brückensystem; und
- Fig. 7
- eine Pontonbrücke.
- Fig. 1
- a floating body with an oblique and a vertical support in a side view;
- Fig. 2
- a longitudinal section through a bearing unit according to a first embodiment;
- Fig. 3
- a longitudinal section through a bearing unit according to a second embodiment;
- Fig. 4
- a longitudinal section through a bearing unit according to a third embodiment;
- Fig. 5
- a cross section through the in
Fig. 4 illustrated storage unit; - Fig. 6
- an amphibious bridge system; and
- Fig. 7
- a pontoon bridge.
Die Länge der ausfahrbaren Stützen 16a und 16b kann beliebig gewählt und dem Abstand zwischen Auftriebskörper 12 und Boden des Gewässers angepasst werden. Idealerweise ist die Länge der ausfahrbaren Stützen 16a, 16b so an die Umgebung angepasst, dass der Auftriebskörper 12 auf dem Wasser treibt und die Stützen 16a und 16b hierbei lediglich als Verankerung für den Auftriebskörper 12 wirken. Die Stützen 16a und 16b ziehen weder den Auftriebskörper 12 unter Wasser noch heben sie den Antriebskörper aus dem Wasser heraus.The length of the extendable supports 16a and 16b can be chosen arbitrarily and adapted to the distance between
Wird der Auftriebskörper 112 aufgrund einer auf den Auftriebskörper 112 wirkenden Last nach unten in das Wasser gedrückt, verschiebt sich die Lagerhülse 130 zusammen mit dem Auftriebskörper 112 nach unten in Richtung Gewässerboden. Die Stütze 116 bleibt in ihrer ursprünglichen Position, so dass sich der Auftriebskörper 112 gegenüber der Stütze vertikal verschiebt. Hierbei wird die Hydraulikflüssigkeit des Federelements 134 komprimiert. Die komprimierte Hydraulikflüssigkeit wirkt der auf den Auftriebskörper 112 wirkenden Last entgegen, so dass nur ein Teil der auf den Auftriebskörper 112 wirkenden Kraft von der Stütze 116 aufgenommen werden muss.If the
Um zu verhindern, dass bei einer sehr hohen Last der Auftriebskörper 112 unter die Wasseroberfläche gedrückt wird und somit eine auf dem Auftriebskörper 112 befindliche Fahrbahn unter Wasser steht, ist der Raum 136 zur Aufnahme der Hydraulikflüssigkeit so bemessen, dass die maximale Kompression der Hydraulikflüssigkeit dann erreicht ist, wenn die Oberseite des Auftriebskörpers auf Höhe des Wasserspiegels ist.In order to prevent the
Die in den
In den
Parallel und mit Abstand zur Seitenwand des Auftriebskörpers 312 ist eine Stange 342 angeordnet. Die Stange 342 ist mit dem einen Ende an dem Auftriebskörper 312 befestigt und mit dem anderen Ende an dem Kolben 332 der Lagereinheit 320, so dass die Stange 342 gegenüber der Lagerhülse 330 verschiebbar ist.Parallel to and spaced from the side wall of the
Die Stütze 316 ist über ein Gelenk 344 mit der Lagerhülse 330 verbunden. Aus Stabilitätsgründen ist weiterhin ein schwenkbarer Stützbalken 346 zwischen Lagerhülse 330 und Stütze 316 vorgesehen.The
Wird der Auftriebskörper 312 aufgrund einer auf den Auftriebskörper 312 wirkenden Last nach unten in das Wasser gedrückt, wird die Stange 342 zusammen mit dem Auftriebskörper 312 nach unten in Richtung Gewässerboden gedrückt. Da die Stütze 316 in ihrer ursprünglichen Position bleibt, wird die Feder 334 komprimiert. Der Auftriebskörper 312 verschiebt sich gegenüber der schräg stehenden Stütze 316 in vertikaler Richtung nach unten. Die komprimierte Feder 334 wirkt der auf den Auftriebskörper 312 wirkenden Last entgegen, so dass nur ein Teil der auf den Auftriebskörper 312 wirkenden Kraft von der schräg stehenden Stütze 316 aufgenommen werden muss.If the
Es versteht sich, dass die Auswahl und Position der Stützen 16a, 16b an dem in
Der Auftriebskörper steht im Rahmen der Erfindung somit für jedes treibfähige Element, das zum Bau von Brücken geeignet ist. Es kann wie Pontons ohne eigenen Antrieb ausgestattet sein oder wie ein amphibisches Fahrzeug mit einem eigenen Antrieb versehen sein.The buoyancy body is in the context of the invention thus for each drivable element that is suitable for the construction of bridges. It can be equipped like pontoons without its own drive or be provided with an own drive like an amphibious vehicle.
Wie die
Claims (13)
Priority Applications (1)
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EP17173632.5A EP3409838B1 (en) | 2017-05-31 | 2017-05-31 | Buoyant body for forming of bridge sections |
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EP17173632.5A EP3409838B1 (en) | 2017-05-31 | 2017-05-31 | Buoyant body for forming of bridge sections |
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EP3409838A1 true EP3409838A1 (en) | 2018-12-05 |
EP3409838B1 EP3409838B1 (en) | 2021-06-16 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB665986A (en) * | 1947-06-04 | 1952-02-06 | Charles Alexis Marie Eugene Od | Military bridges and methods of building them |
FR78902E (en) * | 1960-05-10 | 1962-09-28 | Floating constructions | |
DE1784572B1 (en) | 1968-08-20 | 1970-02-12 | Blohm U. Voss Ag | A pontoon that forms a bridge section and is provided with supports and the bridge deck |
DE2137218A1 (en) * | 1970-07-22 | 1972-01-27 | N V Industneele Handelscombinatie Holland, Rotterdam (Niederlande) | Cutter / suction excavator |
-
2017
- 2017-05-31 EP EP17173632.5A patent/EP3409838B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB665986A (en) * | 1947-06-04 | 1952-02-06 | Charles Alexis Marie Eugene Od | Military bridges and methods of building them |
FR78902E (en) * | 1960-05-10 | 1962-09-28 | Floating constructions | |
DE1784572B1 (en) | 1968-08-20 | 1970-02-12 | Blohm U. Voss Ag | A pontoon that forms a bridge section and is provided with supports and the bridge deck |
DE2137218A1 (en) * | 1970-07-22 | 1972-01-27 | N V Industneele Handelscombinatie Holland, Rotterdam (Niederlande) | Cutter / suction excavator |
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EP3409838B1 (en) | 2021-06-16 |
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