EP0901538B1 - Hebebrücke - Google Patents
Hebebrücke Download PDFInfo
- Publication number
- EP0901538B1 EP0901538B1 EP97921576A EP97921576A EP0901538B1 EP 0901538 B1 EP0901538 B1 EP 0901538B1 EP 97921576 A EP97921576 A EP 97921576A EP 97921576 A EP97921576 A EP 97921576A EP 0901538 B1 EP0901538 B1 EP 0901538B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- bridge
- tank
- lifting
- bridge element
- 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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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
- E01D15/005—Movable bridges in general ; Constructional elements peculiar to movable bridges
Definitions
- the invention relates to a lifting bridge for bridging a body of water according to the preamble of independent claims.
- Bridges are often the cause of flooding during floods. They brake and stow the Watercourse so that dams are washed over. There are ways to make these bridges out with motors move away from storage by lifting or rotating to give the water free passage. These bridges require complex technology, electric motors, control, power supply, etc. Such constructions often fail, especially in the event of a disaster.
- a bridge is known in which water is filled into a tank.
- the weight of the filled container is used to lower the bridge.
- For lifting the water is pumped out of the container and drained back into the sewer.
- the Containers therefore also have a kind of float function.
- the object of the invention is to provide a lifting bridge, which occurs when a flood occurs raised automatically and unsupervised from the normal position of use into a flood position and releases the entire bed of the river for flooding. Only the simplest Technology can be used to make this lift bridge even on remote and unattended Places can be used.
- the basic principle of the flood function of all different variants of the inventive Lifting bridge is the same and can be seen clearly in FIG. 1.
- the centerpiece is water sockets in the form from side openings 1 in the water dam. These openings are at a certain height, according to the decisive, beginning flood level. Behind this There is a shaft opening. Movable water tanks 2 are located in this shaft. As soon as a flood reaches a predetermined critical height, water flows out of the bed the lateral openings 1 in the movable water tanks 2.
- the water tanks 2 are with um Pivot bearing 9 pivotable bridge parts directly or indirectly connected. In the empty Condition, the tanks 2 have a weight, for example, which is about 80% of the weight of the bridge be.
- the tanks 2 can move down so far in the shafts that they Lift the lifting bridge on one side and thereby swivel it around a swivel axis, or as a whole can lift on both sides.
- the raised bridge now lets the flood run free in the whole bed.
- the water is pumped out of the tanks 2 or drained through outlet openings arranged in each tank 2. So the tanks are back lighter than the associated bridge parts and these swivel by their own weight even back to the position of use.
- the bridge parts raised on one side in the Flood position just close the gap in the flood dam.
- the flood dam H has a gap L in which the bridge is arranged is to bridge the water.
- a bridge part 8 is about a pivot bearing upwards pivoted and closes the opening L in the flood dam H.
- Cover plates 81 may be arranged, which are the narrow gaps between the bridge part and the dam seal. In this state, at most small abutments 82 still protrude into the enlarged ones Flood area.
- the version according to FIG. 1 is a drawbridge with tanks 2 on cables or chains, which each leads over a deflection wheel 5 on a permanently installed mast 6 and with the bridge parts 8 connected is.
- the bridge parts 8 are lifted on one side when the tanks 2 are filled and the Bridge plate thus pivoted from the use position into a flood position.
- the bridge parts 8 consist of a support structure, which according to work on the principle of a swing.
- the support structure protrudes on the one hand over the Water and on the other hand as an actuating arm also over the area of the tanks 2.
- a swivel bearing 9 is located in between and forms the swivel connection and storage on the dam.
- the tanks 2 hang actuating arm directly at one end of the bridge parts 8.
- the bridge part donates around that Swivel bearing in the flood situation.
- This version does not require permanently installed masts 6 and no deflection wheels 5.
- the version according to Figure 3 works on the principle of the torque swing.
- the Tanks 2 rigidly connected to the bridge parts 8 and together with them around the pivot bearing swiveling the dam.
- the tanks 2 When the tanks 2 are filled with water, they generate a torque about the swivel axis, which is sufficient to lift the bridge parts on one side and into the Swivel flood situation.
- FIG 4 a one-piece lifting bridge is shown.
- a roadway 2, 2 ' is through a stream bed 10 interrupted.
- a body of water normally has a normal water level 11 in the stream bed 10.
- a bridge element 30 with a roadway 31 is suspended from a lifting mechanism 40, spans the creek bed 10 and is usually on both sides of the creek bed on abutment 32, 32 'on.
- a deflection wheel 42, 42 ' is located at the end of each pylon.
- Outside the stream bed 10 is a shaft 50 embedded in the floor. The shaft 50 is connected to the creek bed 10 by an inlet 51.
- the inlet 51 is advantageously at its opening in the area of the stream bed with a rake or grid 52 protected against inflow of floating material. He is on one predetermined height of the water level, from which lifting of the bridge is to take place. The mouth of the inlet into the shaft 50 is correspondingly a little lower. A slide 53 releases the inlet for incoming water in the normal state. The shaft 50 points at his lowest point an outlet 55, through which inflow water can be drained again can.
- In the shaft 50 there is an open tank 46, which is in the shaft 50 from an upper Normal state can be moved into a lower lowered state.
- the tank 46 is via a brake 47 supported against the shaft floor.
- the brake 47 can be a telescopic hydraulic cylinder or a gas spring or the like.
- the tank 46 is at its lowest point with a closable drain opening 46 Mistake.
- An anchor 45 for a cable 40 is located on the tank 46.
- the cable 40 leads from the anchor 45 on the tank 46 upwards, via the first deflection wheel 42 on the first pylon 44, then downwards and around a first deflection roller 43 in the region of the end of the bridge element 30 one side of the creek bed 10, then parallel to the roadway 31 on the other side of the creek bed 10, again around a second deflection roller 43 'at the other end of the bridge element 30, then up and around a second deflection wheel 42 'on top of the second pylon 41' and again after below, where it is firmly connected to the subsurface in an anchor 45 '.
- This leadership of the Cable 44 corresponds to the principle of a pulley. This determines the desired lifting height and the weight of the lifting bridge, the size of the tank 46 and the length of the possible vertical displacement path of the tank 46 in the shaft 50.
- the lifting bridge rests on the abutments 32, 32 'on both sides of the bed 10.
- the tank 46 is empty and held in its upper position by the weight of the lifting bridge.
- the bridge is in use and can be driven on and walked on. If the water level in the water now rises, it will once reach the height of the inlet 51 or the grille 52. From this moment on, water flows through the grille 52, through the inlet 51 into the tank 46. As soon as the tank 46 a certain amount of water contains, it lowers in the shaft 50 and at the same time pulls the bridge element 30 between the pylons 42, 42 'upwards. Since water is still flowing, the tank 46 sinks faster.
- the slider 53 which rests on the upper edge of the tank in the idle state, lowers with it and closes the inlet opening of the inlet 51 and water no longer flows.
- the tank 46 lowers further in the shaft 50, its movement being delayed by the brake 47 to such an extent that there is no abrupt stop when the shaft bottom is reached.
- the path in the stream bed for the flood is now completely free and no longer hindered by the bridge if the flood is too strong. It is important that no bridge foundation is ever immersed in the flood and that the water is dammed. If the water level drops again, it is advisable not to open the bridge to traffic until it and the stream bed have been freed and secured from any dangers such as dragging trees or boulders.
- the outlet 57 is deliberately opened manually or by remote control and the water in the tank 46 can flow out of the shaft through the outlet 55.
- the tank rises relatively slowly in the shaft 50 in accordance with the drained amount of water and the bridge element 30 lowers again onto the abutments 32, 32 '.
- the lifting bridge can be used again. It is obvious that the tank 46 can also be slowly pumped empty by means of a pump. This dispenses with the arrangement of the outlet 55 and the outlet 57. Further improvements exist in the arrangement of stop dampers 49, 49 'in the upper region of the pylons 41, 41', which guarantees that the lifting bridge 30 is in good contact when raised.
- the lifting process of the bridge via the cable 44 can additionally be combined with traffic signaling, for example a barrier.
- FIG. 5 shows the arrangement of a lifting bridge 30 according to the previous description in FIG represented schematic supervision.
- stream bed 10 the water flows in the direction of F.
- Both sides of the Two pylons 41 are arranged on the bank of the stream.
- the shaft 50 Located on one side of the creek bed 10 the shaft 50 with the movable tank 46 therein.
- the tank 46 is on the bilateral cables 44 via the deflection wheels 42, 42 'on the pylons and the deflection rollers on the bridge element 30 connected.
- the water intake for inlet 51 is normally in the area of the bridge itself arranged. In the example shown, it is approximately parallel to the distance from the lifting bridge Flow of the water against the direction of flow, that is, upstream in the area of the beginning of the flood level.
- the rake or grid 51 is also located there for the setting of the water.
- This upstream version of the actuating water at Reaching the high water level can therefore lead to a somewhat earlier recording of the Floods can be used. In this way, the lifting bridge can already be prewarned to lift. This lowers the risk of being caused by the narrowing due to the bridge Floods again.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Medicines Containing Plant Substances (AREA)
- Mushroom Cultivation (AREA)
- Revetment (AREA)
Description
Wenn nun der Wasserstand wieder sinkt, so ist es empfehlenswert, die Brücke erst wieder für den Verkehr freizugeben, wenn sie und das Bachbett von allfälligen Gefahren, wie mitgeschleift Bäume oder Steinbrocken befreit und gesichert ist. Dann wird bewusst der Auslauf 57 manuell oder mit Fernbedienung geöffnet und das Wasser im Tank 46 kann durch den Auslass 55 aus dem Schacht abfliessen. Dabei steigt der Tank entsprechend der abgelassenen Menge Wasser relativ langsam im Schacht 50 in die Höhe und das Brückenelement 30 senkt sich wieder auf die Widerlager 32, 32'. Die Hebebrücke ist wieder benützbar. Es ist offensichtlich, dass der Tank 46 auch mittels einer Pumpe langsam leergepumpt werden kann. Dies erübrigt die Anordnung der Auslasses 55 und der Auslaufs 57. Weitere Verbesserungen bestehen in der Anordnung von Anschlagdämpfern 49, 49' im oberen Bereich der Pylons 41, 41', welche ein sauberes Anliegen der Hebebrücke 30 im gehobenen Zustand garantiert. Der Hebevorgang der Brücke über den Seilzug 44 kann zusätzlich mit einer Verkehrssignalisation, beispielsweise einer Schranke, kombiniert werden.
Claims (11)
- Verfahren zum mindestens einseitigen Anheben und wieder Absenken einer Hebebrücke aus einer Gebrauchslage in eine Hochwasserlage zur Freigabe eines Gewässerbettes (10) bei Ueberschreiten eines vorbestimmten Hochwasserstandes, dadurch gekennzeichnet, dass bei Erreichen des Hochwasserstandes Wasser über eine Zuleitung (1,51) abgezweigt wird und einem Tank (2,46) zugeführt wird, und dass, der Tank (2,46) sobald er eine gewisse Menge an zugeleitetem Wasser enthält, durch sein Gewicht mittels einem Hebemechanismus Brückenelemente (8,30) mindestens einseitig in die Hochwasserlage anhebt, und dass durch anschliessendes Ablassen des Wassers aus dem Tank die Brückenelemente (8,30) wieder in die Gebrauchslage abgesenkt werden.
- Hebebrücke zur Durchführung des Verfahrens nach Anspruch 1, zum Ueberbrücken eines Gewässers, welche mindestens einseitig anhebbar ist und einen Hebemechanismus umfasst, mittels welchem mindestens einem Brückenelement (8,30) aus einem Gebrauchszustand in einen mindestens einseitig angehobenen Hochwasserzustand bringbar ist, wobei mindestens eine Wasserfassung mit einer Zuleitung (1,51) für Wasser, welche im Bereich eines beginnenden Hochwassers angeordnet ist, vorgesehen ist, dadurch gekennzeichnet, dass mindestens ein Tank (2,46) vorgesehen ist, wobei bei Erreichen des beginnenden Hochwasserstandes Wasser vom Gewässer durch die Zuleitung (1,51) in den Tank (2,46) strömt, und dass der Tank (2,46) mit dem Brückenelement (8,30) wirkverbunden ist.
- Hebebrücke nach Anspruch 2, dadurch gekennzeichnet, dass mindestens ein Tank (2) mittels über ein auf einem fest installierten Masten (6) angeordneten Umlenkrad (5) geführten Seil (3,4) mit dem freien Ende eines mit einem Schwenklager (9) am Ufer schwenkbar befestigten, einseitig anhebbaren Brückenelement (8) wirkverbunden ist.
- Hebebrücke nach Anspruch 2, dadurch gekennzeichnet, dass das Brückenelement (8) eine Trägerkonstruktion ist und einerseits über das Gewässer und andererseits als Betätigungsarm über den Bereich des Tanks (2) am Ufer ragt, und dass ein Schwenklager (9) dazwischen angeordnet ist und eine Schwenkverbindung und Lagerung am Ufer bildet, und dass der Tank (2) direkt mit dem Betätigungsarm wirkverbunden ist.
- Hebebrücke nach Anspruch 4, dadurch gekennzeichnet, dass der Tank (2) mit dem Betätigungsarm unmittelbar fest verbunden ist und zusammen mit diesem um das Schwenklager (9) schwenkbar ist.
- Hebebrücke nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass das Brückenelement im einseitig aufgezogenen Hochwasserlage eine Lücke (L) im Hochwasserdamm (H) verschliessbar macht.
- Hebebrücke nach Anspruch 2, dadurch gekennzeichnet, dass das Brückenelement (30) zwischen beidseitig des Gewässers angeordneten Pylonen (41, 41') an einem Seilzug (44) hängt, und dass der Seilzug (44) vom Tank (46) über eine erste Umlenkrolle (42) auf dem ersten Pylon (41), anschliessend über beidseits dem Brückenelement (30) angebrachten Umlenkrollen (32,32') und darauf über ein zweites Umlenkrad (42') auf dem zweiten Pylon (41') und schliesslich zu einer Verankerung (45') am Boden geführt ist.
- Hebebrücke nach Anspruch 6, dadurch gekennzeichnet, dass das Brückenelement (8,30) im Gebrauchszustand auf Widerlagern (32,32') aufliegt.
- Hebebrücke nach Anspruch 6, dadurch gekennzeichnet, dass eine Bremse (47) zum Bremsen der Bewegung des Tankes (46) vorgesehen ist.
- Hebebrücke nach Anspruch 6, dadurch gekennzeichnet, dass die Pylone (41,41') mit Anschlagdämpfern (49, 49') als Anschläge für das Brückenelement (30) in der Hochwasserlage versehen sind.
- Hebebrücke nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, dass die Wasserfassung für den Zulauf (1,51) des Wassers zum Tank (2,46) im Abstand von der Hebebrücke gegen die Strömungsrichtung (F) im Bereich des beginnenden Hochwasserstandes angeordnet ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH133996 | 1996-05-29 | ||
CH1339/96 | 1996-05-29 | ||
CH133996 | 1996-05-29 | ||
PCT/CH1997/000212 WO1997045594A1 (de) | 1996-05-29 | 1997-05-26 | Hebebrücke |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0901538A1 EP0901538A1 (de) | 1999-03-17 |
EP0901538B1 true EP0901538B1 (de) | 2000-04-19 |
Family
ID=4208174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97921576A Expired - Lifetime EP0901538B1 (de) | 1996-05-29 | 1997-05-26 | Hebebrücke |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0901538B1 (de) |
AT (1) | ATE191941T1 (de) |
AU (1) | AU2761297A (de) |
DE (1) | DE59701470D1 (de) |
WO (1) | WO1997045594A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015105021A1 (de) * | 2015-03-31 | 2016-10-06 | SEH Engineering GmbH | Hubbrücke |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE391568A (de) * | ||||
GB128211A (en) * | 1912-04-02 | Blondel Alfred | Improvements for a Floating Bridge which can be Raised or Immersed. | |
US2411480A (en) * | 1943-01-04 | 1946-11-19 | Temple Alan Edward Spence | Movable bridge, dock gate, and the like |
-
1997
- 1997-05-26 AU AU27612/97A patent/AU2761297A/en not_active Abandoned
- 1997-05-26 WO PCT/CH1997/000212 patent/WO1997045594A1/de active IP Right Grant
- 1997-05-26 EP EP97921576A patent/EP0901538B1/de not_active Expired - Lifetime
- 1997-05-26 DE DE59701470T patent/DE59701470D1/de not_active Expired - Fee Related
- 1997-05-26 AT AT97921576T patent/ATE191941T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE59701470D1 (de) | 2000-05-25 |
EP0901538A1 (de) | 1999-03-17 |
AU2761297A (en) | 1998-01-05 |
WO1997045594A1 (de) | 1997-12-04 |
ATE191941T1 (de) | 2000-05-15 |
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