EP1726717B1 - Charnière pour l'articulation de portes de barrages pivotantes - Google Patents

Charnière pour l'articulation de portes de barrages pivotantes Download PDF

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Publication number
EP1726717B1
EP1726717B1 EP06114325A EP06114325A EP1726717B1 EP 1726717 B1 EP1726717 B1 EP 1726717B1 EP 06114325 A EP06114325 A EP 06114325A EP 06114325 A EP06114325 A EP 06114325A EP 1726717 B1 EP1726717 B1 EP 1726717B1
Authority
EP
European Patent Office
Prior art keywords
rod
mobile
fastening
base
barrier according
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.)
Not-in-force
Application number
EP06114325A
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German (de)
English (en)
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EP1726717A2 (fr
EP1726717A3 (fr
Inventor
Augusto Veronesi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fracasso SpA
Original Assignee
FRACASSO SpA
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Filing date
Publication date
Application filed by FRACASSO SpA filed Critical FRACASSO SpA
Publication of EP1726717A2 publication Critical patent/EP1726717A2/fr
Publication of EP1726717A3 publication Critical patent/EP1726717A3/fr
Application granted granted Critical
Publication of EP1726717B1 publication Critical patent/EP1726717B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20—Movable barrages; Lock or dry-dock gates
    • E02B7/40—Swinging or turning gates
    • E02B7/44—Hinged-leaf gates

Definitions

  • the present invention relates to a mobile barrier for temporary barrage of canals and harbour entrances.
  • the present invention relates to a submersible mobile barrier specifically structured to be positioned at navigable harbour entrances connecting a closed lagoon to the immediately adjacent open sea, so as to block when required the flow of water from the sea towards the lagoon and vice versa obstructing only in this case the naval traffic at the aforesaid harbour entrances.
  • sea water level is subject to periodical fluctuations (traditionally called tides) which, in combination with atmospheric events of extraordinary intensity, may flood the lagoon with a quantity of water sufficiently high to raise the level of water within the lagoon itself to such a high value which may compromise the static stability of buildings and constructions distributed in the internal coastal areas and/or facing the lagoon itself.
  • periodical fluctuations traditionally called tides
  • US patent US-3756032 proposes to solve this problem by using a submersible mobile barrier consisting of a reinforced concrete base which extends on the bottom of the harbour entrance for the entire width of the entrance itself, and by a series of flat sluice gates of rectangular shape hinged with one edge onto the reinforced concrete base one next to the other so as to seamlessly occupy the entire harbour entrance width.
  • Such sluice gates can swingingly turn about a horizontal axis common to all sluice gates between a lowered position in which the sluice gates rest on the bottom in essentially horizontal position, and a raised position in which sluices protrudingly extend from the base in a direction essentially perpendicular to the bottom of the harbour entrance, so as to partially protrude over the water surface and to form a dam which seamlessly extends for the entire width of the harbour entrance so as to prevent the water from crossing the harbour entrance itself.
  • both displacements are made by appropriately varying the buoyancy of each sluice gate.
  • each sluice gate is indeed internally provided with a trim adjustment tank which, similarly as the ballast tanks fitted in submarines, is adapted to be filled with water and/or pressurised air so as to adjust the buoyancy of the sluice gate, and the mobile barrier is provided with a pressurised air feeding system which, upon command, is capable of conveying within the trim adjustment tank of each sluice gate a quantity of air sufficient to produce a buoyancy higher than the proper weight of the sluice gate, so as to cause the slow and progressive raising of all mobile sluices from the lowered position to the raised position and the consequent formation of the dam.
  • US patent US-4836711 and European patent EP-0397609 envisage the connection of each sluice gate to the reinforced concrete base buried onto the bottom of the harbour entrance by means of a pair of disconnectable hinges, each of which consists of a fixed portion which is stably anchored to the reinforced concrete base immediately over an internal service compartment, and of a mobile portion which is instead stably fixed onto the side wall of the sluice gate, incorporates the articulation joint of the hinge and is finally structured so as to be coupled with the fixed portion in a stable yet easily releasable manner.
  • the mobile portion of the disconnectable hinge essentially consists in a flat appendix which protrudingly extends from the side wall of the sluice gate, in an intermediate fork freely and turnably hinged on the distal end of the flat appendix by means of a transversal pin perpendicular to the laying plane of the appendix itself, and finally in an essentially truncated cone shaped fastening head rigidly fastened to the end of the intermediate fork trunk.
  • the fixed portion of the disconnectable hinge instead essentially consists of an anchoring platform which is embedded into the reinforced concrete wall of the base and is provided with a central seat whose shape is complementary with that of the fastening head of the mobile portion of the hinge, and of a fastening and locking member which, in sequence, is adapted to fasten the fastening head of the mobile portion of the hinge and then return the concerned head abuttingly into the central seat of the anchoring platform by exerting a predetermined traction force.
  • the fastening and locking member is a tubular rod mounted in vertical position and axially sliding under the central seat of the anchoring platform and has the upper end shaped so as to couple with the fastening head of the mobile portion of the hinge by means of a bayonet coupling, and by a hydraulic type apparatus which, once coupled to the lower end of the rod, can both turning the rod by a predetermined angle about its longitudinal axis, and axially displacing the aforesaid rod between a first operative position in which the upper end of the rod protrudes within the central seat, and a second operative position in which the upper end of the rod is positioned immediately under the seat itself.
  • European patent EP-0397609 filed some years later, instead specifies that the hydraulic type apparatus which displaces the tubular axis consists of two double-acting hydraulic cylinders which are respectively responsible for the angular rotation and the axial displacement of the rod, and that the tubular rod consists of a mobile stem of the double-acting hydraulic cylinder which axially displaces the rod.
  • number 1 shows as a whole a mobile barrier for the temporary barrage of canals and harbour entrances specifically structured to be positioned on the bottom F of a navigable harbour entrance connecting a closed lagoon to the immediately adjacent open sea.
  • the mobile barrier 1 essentially comprises a reinforced concrete base 2 or the like, which extends on the bottom F of the harbour entrance for the entire width of the same, and a series of flat, essentially rectangular sluice gates 3 which are hinged with one edge onto the base 2 one next to the other so as to seamlessly occupy the entire width of the harbour entrance and to swingingly turn about a horizontal axis A common to all sluice gates 3.
  • such sluice gates 3 can swingingly turn about a horizontal axis A common to all sluice gates 3 between a lowered position (not shown) in which the sluice gates 3 rest on the bottom F of the harbour entrance in an essentially horizontal position, and a raised position (see figure 1 ) in which the sluice gates 3 protrudingly extend from the base 2 in a direction essentially perpendicular to the bottom F of the harbour entrance, so as to partially protrude over the water surface and form a dam which seamlessly extends for the entire width of the harbour entrance so as to prevent the water from crossing the harbour entrance itself.
  • each sluice gate 3 is connected to the base 2 by means of at least one pair of disconnectable hinges 4 (only two of which are shown in figure 1 ) which are positioned on the side wall of the sluice gate 3 so as to allow the swinging rotation of the sluice gate 3 about axis A, and has a boxed structure so as to form within at least one trim adjusting tank 5 adapted to be filled with water and/or pressurised air so as to adjust the buoyancy of the sluice gate 3.
  • the tank 5 of each sluice gate 3 is connected with the outside by means of a series of water loading and unloading openings 5a through which the sea water can freely flow within the tank 5, and the mobile barrier 1 is provided with a pressurised air supply system (not shown) which, upon command, can pump within the tank 5 of each sluice gate 3 a quantity of pressurised air sufficient to at least partially empty the tank 5 from the water which fills it, so as to generate a buoyancy higher than the proper weight of the sluice gate 3.
  • This buoyancy is able of causing the progressive raising of all the sluice gates 3 from the lowered position to the raised position and the consequent constitution of the aforesaid dam.
  • each consists in a fixed portion 4a which is stably anchored onto the base 2 immediately over a service compartment 2a, and in a mobile portion 4b (sketched in figures 1 and 2 ) which is instead stably fixed onto the side wall of the sluice gate 3, incorporates the articulation joint of the hinge about axis A and is finally structured so as to be coupled with the fixed portion 4a in a stable yet easily releasable manner.
  • the mobile portion 4b of the disconnectable hinge 4 is provided with a terminal fastening head 6 which is essentially shaped as a funnel and is adapted to engage in the fixed portion 4a of the disconnectable hinge 4 in a stable yet easily releasable manner, thus contextually forming a fluid-tight coupling.
  • the fixed portion 4a of the disconnectable hinge 4 comprises instead an anchoring platform 8 which is stably fixed to the base 2 and is provided with a central seat 8a shaped so as to accommodate the terminal head 6 of the mobile portion 4b, and a fastening and locking member 9 which, in sequence, is adapted to fasten the terminal head 6 of the mobile portion 4b and then withhold the concerned head abutting in the central seat 8a exerting a predetermined traction force.
  • the anchoring platform 8 is embedded in the horizontal wall of the base 2 which separates the service compartment 2a from the mass of water above so that its upper face is skimmed by the water, while the central seat 8a is a blank seat which is made on the upper face of the anchoring platform 8 and extends towards the inside of the anchoring platform 8 maintaining itself coaxial with a longitudinal reference axis V which is preferably, but not necessarily, perpendicular to the laying plane of the platform and, therefore, essentially vertical.
  • the anchoring platform 8 consists in a metallic box structure which is provided with a central through hole 8a which is essentially shaped as a funnel so as to accommodate the terminal head 6 of the mobile portion 4b, and in a flat closing plate 10 which is fastened to the boxed structure so as to fluid-tightly close the lower end of the central through hole 8a.
  • the longitudinal axis V is instead essentially coplanar and essentially orthogonal to axis A.
  • the fastening and locking member 9 is instead fixed to the anchoring platform 8 on the opposite part of the central seat 8a, and comprises a cylindrical tubular sleeve 11 which protrudingly extends from the anchoring platform 8 from the opposite side of the central seat 8a maintaining itself coaxial or however parallel to the longitudinal axis V, and a fastening and tensioning rod or tie-rod 12 which is inserted within the cylindrical tubular sleeve 11 in an essentially slidingly and angularly turnable manner, has the upper end 12a shaped so as to fasten itself on the terminal head 6 of the mobile portion 4b with a bayonet coupling of the known type, and is finally capable of overhangingly protruding within the central seat 8a engaging in an axially sliding manner a specific through hole made in the body on the anchoring platform 8.
  • the cylindrical tubular sleeve 11 is fixed onto the flat plate 10 of the anchoring platform 8 aligned with a specific through hole which allows the upper end 12a of the rod 12 to penetrate within the central seat 8a, and extends within the service compartment 2a maintaining itself coaxial to the longitudinal axis V, whereas the rod 12 is cylindrical, has axial length higher than that of the cylindrical tubular sleeve 11, and is mounted in an axially sliding manner within the cylindrical tubular sleeve 11 by interposition of specific ring seals 13 capable of preventing the leakage of water into the service compartment 2a.
  • the fastening and locking member 9 is provided also with a lock nut 14 which is adjustably fastened onto a terminal segment of the rod 12 overhangingly protruding from the lower end of the cylindrical tubular sleeve 11, and with an actuating device 15 of the rod which, upon command, can turn the rod 12 by an predetermined angle ⁇ about the longitudinal axis V, and axially displace the rod itself 12 between a completely extracted position (shown by a dotted line in figure 2 ) in which the upper end 12a of the rod 12 protrudes within the central seat 8a and is positioned at the maximum distance from the bottom of the seat itself, and a retracted position (see figure 2 ) in which the upper end 12a of the rod 12 is positioned within the cylindrical tubular sleeve 11, i.e. outside the central seat 8a.
  • the actuating device 15 comprises a connecting crossbar 16 rockingly hinged to the lower end 12b of the rod 12 so as to form a reversed T configuration, and a pair of single- or double-acting hydraulic cylinders 17, which extend parallelly to the longitudinal axis V, on opposite sides of the cylindrical tubular sleeve 11, are coplanar to the crossbar 16 and have the two terminal ends which are abuttingly arranged one on the anchoring platform 8, or on a structural element rigidly connected to the latest, and the other on a corresponding arm of crossbar 16.
  • the crossbar 16 is centrally hinged on the lower end 12b of the rod 12 by means of a cardan joint 18 of a known type, whereas each hydraulic cylinder 17 is oriented with the mobile stem 17a facing downwards, i.e. towards the crossbar 16, and has the bottom of the external casing hinged onto the flat plate 10, while the terminal end of the mobile stem 17a is hinged onto the arm of the crossbar 16.
  • the two hydraulic cylinders 17 are also hydraulically coupled so as to work in parallel, while the lock nut 14 is positioned immediately over the cardan joint 18 and is adapted to be abuttingly arranged on the lower end of the cylindrical tubular sleeve 11 so as to keep the rod 12 in tension also in the absence of the downward thrust exerted by the two hydraulic cylinders 17 of the actuating device 15.
  • the actuating device 15 comprises a protruding appendix or toe 20 which protrudingly and radially extends from the body of the rod 12, and a transversal hydraulic actuator 21 which can engage the protruding appendix 20 when the rod 12 is arranged in the fully extracted position, and then turn the entire rod 12 by a predetermined angle ⁇ about the longitudinal axis V pushing the protruding appendix 20 in a direction locally tangent to the cylindrical surface of the aforesaid rod 12.
  • the protruding appendix 20 is arranged on the rod 12 in a position so as to be arranged at the lower end of the cylindrical tubular sleeve 11 when the rod 12 is arranged in the fully extracted position and the hydraulic actuator 21 is fixed at the aforesaid lower end.
  • the actuating device 15 is provided with a flat supporting plate 22 which is rigidly fixed to the lower end of the cylindrical tubular sleeve 11 in position perpendicular to the longitudinal axis V, i.e. in an essentially horizontal position, and the hydraulic actuator 21 is fixed onto said plate.
  • the hydraulic actuator 21 is formed by two single- or double-acting hydraulic cylinders 23 which are fixed to the flat plate 22 aligned and reciprocally counterpoised, and by a central carriage 24 which is arranged between the two hydraulic cylinders 23 and structured so as to be engaged by the protruding appendix 20 when the rod 12 is in the fully extracted position.
  • the central carriage 24 is positioned by the side of the rod 12, while the two hydraulic cylinders 23 are aligned along a longitudinal axis essentially tangent to the rod 12 and are capable of moving the central carriage 24 by reciprocating straight motion facing the rod 12, i.e. tangential to the latter.
  • the actuating device 15 is finally provided with guiding means adapted to prevent any accidental rotation of the crossbar 16 about the longitudinal axis V with consequent misalignment of the two hydraulic cylinders 17.
  • the guiding means are integrated in the flat supporting plate 22 which, in order to achieve the aim, has an elongated rectangular shape and presents, at the two smaller side edges of the plate, two containment grooves 22a each of which is adapted to be thoroughly engaged by a respective hydraulic cylinder 17.
  • the fastening and locking member 9 is preferably, but not necessarily, provided also with a shut-off valve 25 of the shutter type or the like which is positioned along the cylindrical tubular sleeve 11, immediately under the anchoring platform 8, so as to prevent the passage of water to the service compartment 2a when the rod 12 is not inserted in the cylindrical tubular sleeve 11.
  • shut-off valve 25 is positioned in the upper segment of the cylindrical tubular sleeve 11 which is not engaged by the rod 12 when this is in retracted position.
  • the operation of the mobile barrier 1 is identical to the mobile barriers for temporary barrage of canals and harbour entrances described in US patent US-4836711 and in European patent EP-0397609 , and therefore no further explanations are required.
  • connection crossbar 16 rockingly hinged to the lower end 12b of the rod 12 allows to compensate for possible differential displacements between the stems of the two hydraulic cylinders 17, thus allowing to use two smaller and lighter hydraulic cylinders instead of a larger single cylinder.
  • the use of such a fastening and locking member 9 offers significant advantages: firstly, the fixed portion 4a of the disconnectable hinge 4 is much smaller than the disconnectable hinges used until now, and may therefore be placed in smaller service compartments 2a, thus considerably simplifying the structure of the base 2.
  • the fastening and locking member 9 has a structure which allows the assembly and disassembly of the hydraulic cylinders 17 and 23 and of hydraulic actuator 21, enormously simplifying the maintenance operations within the service compartment 2a.
  • the fastening and locking member 9 thus obtained makes it possible to remove all the single- and double-acting hydraulic cylinders present in the actuating device 15 at the end of each fastening operation between the fixed portion 4a and the mobile portion of the disconnectable hinge 4, with all the advantages that this entails. Above all, the possibility of sharing the hydraulic cylinders of the actuating device 15 between several disconnectable hinges 4.
  • connection crossbar 16 may be fixed directly to the lower end 12b of the fastening and tensioning rod 12, without the interposition of the cardan joint 18, so as to make a reversed T configuration of the rigid type.
  • the connecting crossbar 16 may be provided with a central through hole within which is adapted to be inserted and locked the lower end 12b of the rod 12, for example by means of a lock nut fastened directly onto the same lower end 12b immediately under the crossbar 16.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Gates (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Telephone Set Structure (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Hinges (AREA)

Claims (10)

  1. Barrière mobile (1) pour le barrage temporaire des canaux et des entrées de port comprenant une base (2) s'étendant au fond de l'entrée de port, et une série de portes d'écluse (3) de forme essentiellement rectangulaire articulées avec un bord sur la base (2) l'une après l'autre afin de pivoter de manière oscillante autour d'un axe principal de rotation essentiellement horizontal (A) entre une position abaissée dans laquelle les portes d'écluse (3) reposent au fond de l'entrée de port dans une position essentiellement horizontale, et une position relevée dans laquelle les portes d'écluse (3) s'étendent en saillie à partir de la base (2) dans une direction essentiellement perpendiculaire au fond afin de faire partiellement saillie sur la surface d'eau et former un barrage adapté pour empêcher le passage de l'eau à travers ladite entrée de port, chaque porte d'écluse (3) étant raccordée à la base (2) au moyen d'une pluralité de charnières (4) pouvant être déconnectées, qui se composent d'une partie fixe (4a) ancrée de manière stable à la base (2), et d'une partie mobile (4b) qui est au lieu de cela fixée de manière stable à la porte d'écluse (3), comprend le joint d'articulation de la charnière autour dudit axe principal de rotation (A) et est finalement structurée afin de se coupler avec la partie fixe (4a) d'une manière stable tout en étant cependant amovible ; la partie fixe (4a) de ladite charnière (4) pouvant se déconnecter, comprenant une plate-forme d'ancrage (8) qui est fixée à la base (2) et est prévue avec un siège central (8a) formé afin de loger une tête de fixation terminale (6) de la partie mobile (4b), et un élément de fixation et de blocage (9) qui, sur commande, est adapté pour fixer et ensuite contenir ladite tête terminale (6) en butée dans le siège central (8a) ; ledit élément de fixation et de blocage (9) étant fixé sur la plate-forme d'ancrage (8) sur le côté opposé dudit siège central (8a), et étant prévu avec un manchon tubulaire (11) qui s'étend en saillie à partir de la plate-forme d'ancrage (8), à partir du côté opposé dudit siège central (8a), se maintenant lui-même coaxial par rapport à un axe de référence longitudinal (V) essentiellement perpendiculaire au plan de pose de la plate-forme d'ancrage (8), et avec une tige de fixation et de tension (12) qui est insérée à l'intérieur dudit manchon tubulaire (11) d'une manière axialement coulissante et angulairement rotative, et a une extrémité supérieure (12a) formée afin d'être fixée sur la tête terminale (6) de la partie mobile (4b) ; ledit élément de fixation et de blocage (9) étant également prévu avec un dispositif d'actionnement (15) qui, sur demande, peut à la fois faire tourner ladite tige (12) selon un angle prédéterminé (α) autour dudit axe de référence longitudinal (V), et déplacer axialement la même tige (12) entre une position essentiellement déployée dans laquelle l'extrémité supérieure (12a) de la tige (12) fait saillie à l'intérieur dudit siège central (8a) et une position rétractée dans laquelle l'extrémité supérieure (12a) de la tige (12) est positionnée à l'extérieur du siège central (8a) et à l'intérieur dudit manchon tubulaire (11) ;
    ladite barrière mobile (1) pour le barrage temporaire des canaux et des entrées de port étant caractérisée en ce que ledit dispositif d'actionnement (15) comprend une traverse de raccordement (16) fixée sur l'extrémité inférieure (12b) de ladite tige (12) afin de former une configuration en forme de T inversé, et une paire de premiers vérins hydrauliques (17) qui sont agencés sur les côtés opposés du manchon tubulaire (11) parallèlement à ce dernier, et ont deux extrémités terminales venant en butée, l'une sur la plate-forme d'ancrage (8) et l'autre sur un bras correspondant de ladite traverse de raccordement (16).
  2. Barrière mobile selon la revendication 1, caractérisée en ce que ladite traverse de raccordement (16) est articulée de manière basculante sur l'extrémité inférieure (12b) de ladite tige (12).
  3. Barrière mobile selon la revendication 2, caractérisée en ce que ladite traverse de raccordement (16) est articulée par rapport à l'extrémité inférieure (12b) de ladite tige (12) au moyen d'un joint de cardan (18).
  4. Barrière mobile selon l'une quelconque des revendications précédentes, caractérisée en ce que chacun desdits premiers vérins hydrauliques (17) est orienté avec la tige mobile (17a) orientée vers ladite traverse de raccordement (16).
  5. Barrière mobile selon la revendication 4, caractérisée en ce que chaque boîtier externe dudit premier vérin hydraulique (17) est articulé sur ladite plate-forme d'ancrage (8) et l'extrémité terminale de la tige mobile (17a) est articulée sur un bras correspondant de ladite traverse de raccordement (16).
  6. Barrière mobile selon l'une quelconque des revendications précédentes, caractérisée en ce que lesdits premiers vérins hydrauliques sont couplés de manière hydraulique afin de fonctionner en parallèle.
  7. Barrière mobile selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit dispositif d'actionnement (15) comprend en outre un appendice en saillie (20) qui fait saillie en surplomb à partir de ladite tige de fixation et de tension (12) et un actionneur transversal hydraulique (21) qui, sur commande, peut mettre en prise ledit appendice en saillie (20) lorsque la tige (12) elle-même est agencée dans la position complètement extraite, et peut ensuite faire tourner toute la tige (12) selon un angle prédéterminé (α) autour dudit axe de référence longitudinal (V).
  8. Barrière mobile selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit dispositif d'actionnement (15) comprend en outre des moyens de guidage (22) adaptés pour empêcher toute rotation accidentelle de la traverse de raccordement (16) autour dudit axe de référence longitudinal (V).
  9. Barrière mobile selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit élément de fixation et de blocage (9) comprend en outre un écrou de butée (14) qui est vissé de manière réglable sur une section terminale de ladite tige (12) qui fait saillie en surplomb à partir de l'extrémité distale dudit manchon tubulaire (11).
  10. Barrière mobile selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit axe de référence longitudinal (V) est orienté verticalement.
EP06114325A 2005-05-24 2006-05-22 Charnière pour l'articulation de portes de barrages pivotantes Not-in-force EP1726717B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000354A ITTO20050354A1 (it) 2005-05-24 2005-05-24 Barriera mobile per lo sbarramento temporaneo di canali e bocche di porto

Publications (3)

Publication Number Publication Date
EP1726717A2 EP1726717A2 (fr) 2006-11-29
EP1726717A3 EP1726717A3 (fr) 2007-07-04
EP1726717B1 true EP1726717B1 (fr) 2008-04-02

Family

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Application Number Title Priority Date Filing Date
EP06114325A Not-in-force EP1726717B1 (fr) 2005-05-24 2006-05-22 Charnière pour l'articulation de portes de barrages pivotantes

Country Status (4)

Country Link
EP (1) EP1726717B1 (fr)
AT (1) ATE391209T1 (fr)
DE (1) DE602006000846D1 (fr)
IT (1) ITTO20050354A1 (fr)

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ITTO20070399A1 (it) * 2007-06-06 2008-12-07 Fracasso Metalmeccanica Barriera mobile per la chiusura temporanea di canali e bocche di porto
ITTO20070397A1 (it) * 2007-06-06 2008-12-07 Fracasso Metalmeccanica Diga mobile per la chiusura temporanea di canali e bocche di porto
IT1399131B1 (it) * 2010-04-01 2013-04-05 Fracasso S P A Barriera flottante per la chiusura temporanea di canali e bocche di porto
ITTV20100054A1 (it) * 2010-04-01 2011-10-02 Fracasso S P A Barriera mobile per la chiusura temporanea di canali e bocche di porto
CN102635096B (zh) * 2011-08-25 2014-05-07 邓旭林 被动式自动调节水柱压力闸门底缘装置
CN102635097B (zh) * 2011-08-25 2014-07-30 邓旭林 主动式调节水柱压力闸门底缘装置
CN103103965A (zh) * 2013-01-30 2013-05-15 江苏武东机械有限公司 一种钢坝闸门
DK179294B1 (da) 2017-03-30 2018-04-16 Steen Olsen Invest Aps Stormflodssikring
CN107178071B (zh) * 2017-04-25 2023-10-20 北京赛旺特科技发展有限公司 一种合页坝
CN108086449B (zh) * 2018-01-05 2023-09-19 中交第二航务工程勘察设计院有限公司 一种用于城市污水井开孔的收缩挡水装置
AT526639A1 (de) * 2022-10-21 2024-05-15 Petz Joachim Schutzsystem

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EP1726717A2 (fr) 2006-11-29
EP1726717A3 (fr) 2007-07-04
ATE391209T1 (de) 2008-04-15

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