EP1188863B1 - Dispositif de contrôle de niveau d'eau dans une rigole, un canal, une rivière ou similaire - Google Patents

Dispositif de contrôle de niveau d'eau dans une rigole, un canal, une rivière ou similaire Download PDF

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Publication number
EP1188863B1
EP1188863B1 EP01203491A EP01203491A EP1188863B1 EP 1188863 B1 EP1188863 B1 EP 1188863B1 EP 01203491 A EP01203491 A EP 01203491A EP 01203491 A EP01203491 A EP 01203491A EP 1188863 B1 EP1188863 B1 EP 1188863B1
Authority
EP
European Patent Office
Prior art keywords
flap
box
flexible element
groove
flexible
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
EP01203491A
Other languages
German (de)
English (en)
Other versions
EP1188863A1 (fr
Inventor
Hendrik Albertus Boers
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.)
Kijlstra Beton BV
KWT Waterbeheersingstechniek BV
Original Assignee
Kijlstra Beton BV
KWT Waterbeheersingstechniek BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kijlstra Beton BV, KWT Waterbeheersingstechniek BV filed Critical Kijlstra Beton BV
Publication of EP1188863A1 publication Critical patent/EP1188863A1/fr
Application granted granted Critical
Publication of EP1188863B1 publication Critical patent/EP1188863B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 invention relates to an apparatus for controlling the water level in a ditch, canal, open canal, river or the like, the apparatus being provided with a box comprising a bottom wall and two side walls, while in the box a weir gate flap is connected to the box so as to be pivotable about a hinge, the hinge being located near the bottom of the box, the flap being provided with a lower edge and two side edges contiguous to the bottom wall and the side walls of the box, respectively, such that they form a substantially water-tight closure, the apparatus being provided with an adjusting mechanism which is intended for adjusting the flap in different pivotal positions for controlling the water level.
  • Such an apparatus is known from practice and sold by applicant as KWT Stuwklep, type: K.S.K.
  • the adjusting mechanism is formed by a toothed rack, hinged to an upper edge of the flap.
  • the toothed rack is driven with the aid of a gear wheel mounted on a cross beam located on the two side walls of the box.
  • a first drawback of this known apparatus is the lack of safety.
  • the toothed rack and the cooperating gear wheel are freely accessible to the person adjusting the flap, and therefore the danger exists that the operator of the apparatus gets a piece of clothing or a body part caught between the toothed rack and the gear wheel and thus gets injured.
  • a third disadvantageous aspect of the known apparatus is formed by the fact that the toothed rack projects relatively far above the ground level. Under the current environmental regulations, such projecting objects are considered to be destructive to the landscape.
  • the invention contemplates an apparatus without the drawbacks described hereinabove.
  • the apparatus of the type mentioned in the preamble is characterized in that the adjusting mechanism comprises a driving element and at least one flexible element, a first free end of the flexible element being connected to the flap, preferably near an upper edge of the flap, the flexible element being guided over the driving element, while a first part of the flexible element, formed by the part of the flexible element from the first free end to the driving element, extends in a first groove which is provided in or on a side wall of the box , the or each first groove being circular segmental, the imaginary center of the circular segmental groove coinciding with the central axis of the hinge.
  • Such an apparatus offers the advantage that the toothed rack and the gear wheel cooperating with that toothed rack are eliminated and that all parts of the adjusting mechanism are brought outside the reach of unauthorized persons as much as possible.
  • the or each flexible element passes in the first groove in or on a side wall of the box and is thus brought outside the direct reach of an unauthorized person.
  • the or each driving element is received in a chamber in the side wall of the box, so that that part as well has been brought outside the reach of unauthorized persons as much as possible.
  • Still another advantage of the apparatus according to the invention is that substantially the entire upper edge of the flap remains free of parts.
  • the passage of the apparatus according to the invention is optimally utilized.
  • the toothed racks are connected with the upper edge of the flap. Often, straw, duckweed, reeds and such plant material gets stuck behind these toothed racks, so that, in time, the passage opening of the apparatus is considerably reduced. With the aid of the apparatus according to the invention, this problem is also eliminated.
  • a flexible element is included and extends there in a first groove.
  • the flexible element can be formed, for instance, by a chain, more in particular a sprocket chain of the bicycle chain type or a link chain of the ship anchor type, the driving element in that case comprising a chain wheel or a pocketed wheel.
  • the flexible element be designed as a cable.
  • the driving element will preferably be designed as a reel on which the cable is wound or moved.
  • a chain at least with a sprocket chain of the bicycle chain type, winding the chain on a reel is not recommendable.
  • the apparatus can be characterized in that a second part of the or each flexible element, formed by the part of the flexible element from a second end to the driving element, extends in a second groove arranged in or on the side wall of the box.
  • a sprocket chain of the bicycle chain type also called roller chain, is hardly compressible, so that, when lowering the flap, also a pressure force can be exerted on the flap with it.
  • the flexible element can be connected by a first end to the upstream side of the flap and the other end with the downstream side of the flap, while the flexible element is guided over a driving wheel and a return wheel. In that manner, it is possible that both when pulling up and when lowering the flap, a tensile force is exerted on the flap. It is self-evident that, to that end, also two separate flexible elements can be used, of which the first is connected by one end to the upstream side of the flap and by the other end to a driving element, while the second is connected by one end to the downstream side of the flap and by the other end to a driving element.
  • CH-A-119 408 discloses a vertically moving lock gate.
  • the known lock gate is not intended for controlling the water level in the sense that the water level on one side of the lock gate is determined by the upper edge of the lock gate.
  • the known lock gate opens at the bottom of the canal or ditch in which it is mounted.
  • the lock gate extends substantially above ground level.
  • the movement of the lock gate is provided by an adjusting mechanism comprising two flexible elements. A first free end of each flexible element being connected near the bottom of the lock gate. Each flexible element is guided over a driving element.
  • the ditch, the open canal, the canal, the river or the like extends in the direction T, represented in Fig. 1 with an arrow, which arrow also represents the flow direction of the water.
  • the exemplary embodiment shown is provided with a box comprising a bottom wall 1, two side walls 2, 3 and a lid 18. In the present exemplary embodiment, these parts are manufactured from concrete.
  • the side walls abut against the bank of the ditch, so that the water in the ditch can only pass the apparatus between the side walls 2, 3.
  • the hinge 5 is connected to the bottom 1 or a threshold on the bottom 1 of the box.
  • the side edges 8, 9 and the lower edge 6 and/or the hinge 5 of the flap 4 abut the respective side walls 2, 3 and the bottom wall 1 of the box, such that they substantially form a water tight closure.
  • This water level is represented with the line N in Fig. 2. It is self-evident that the water level N is determined by the position of the upper edge 7 of the flap 4.
  • the flap 4 can also be used as a closure or for regulating the level in the low reach.
  • the adjusting mechanism for adjusting the angular position of the flap 4 comprises two flexible elements 10.
  • the flexible elements 10, in the present exemplary embodiment designed as chains of the bicycle chain type, are connected by a first free end 10a to the flap 4, more specifically near the two side edges 8, 9 and the upper edge 7 of the flap 4.
  • the free end 10a of the flexible elements 10 is connected to a cross beam 24 which is connected to the upper edge 7 of the flap 4.
  • each side wall 2, 3 such a flexible element 10 is included in a groove 12, 13.
  • the flexible element 10 is guided over a driving element 11, which, in the present exemplary embodiment, is formed by a gear wheel.
  • Each side wall 2, 3 is provided with a chamber 17 in which a driving element 11 as mentioned is accommodated. As a result, the driving elements 11 are difficult to access for unauthorized persons.
  • the first groove 13 is circular segmental, the center of the segment coinciding with the axis of the hinge 5 of the flap 4.
  • the chain wheel 11 rotates clockwise and thus shortens the first part 10', while, simultaneously, the second part 10" is lengthened. In that manner, essentially the chain 10 is pushed from the first groove 13 into the second groove 12 while taking along the flap 4.
  • the flexible element 10 is formed by a cable, a link chain or the like.
  • the flexible element instead of being pushed into the second groove 12, can also be wound on a reel.
  • Such a reel can then also serve as a driving element.
  • the second free end of the cable or link chain will be fixedly connected to the reel.
  • the second groove 12 can of course be omitted.
  • it is self-evident that also with such flexible elements there is the possibility to use a second groove 12 in the side walls 2, 3. Then, only the design of the driving element 11 needs to be adjusted to the type of flexible element.
  • a cable use should be made of a pulley with a high frictional coefficient, and, with a link chain, a chain wheel or pocketed wheel suitable for cooperation with a link chain.
  • Such chain wheels are known per se.
  • the or each first groove 13 and the or each optional second groove 12 are formed in a material with a low frictional coefficient, such as, for instance, plastic.
  • a plastic lining is incorporated, manufactured from a suitable plastic such as, for instance, HDPE (high density polyethene).
  • Fig. 4 also clarifies the manner in which the free end 10a of the chain 10 is connected to the flap 4 via pin 25.
  • Fig. 5 shows a cross-sectional view along line V-V of Fig. 2 adjacent the side wall 3. From this Figure, it is clear that with the side edge 9 of the flap 4, a sealing profile 15 is connected which has flexibility and which abuts the side wall 3 of the box.
  • a substantially water tight closure is created.
  • a watertight closure is also created near the hinge 5 of the flap 4, see Fig. 3.
  • a U-shaped mount 26 is cast-in, in which the hinge 5 is pivotally received.
  • the hinge 5 rests on a flexible sealing profile 16, so that a substantially water tight closure is created there as well.
  • a cover plate 18 rests on the side walls 2, 3.
  • a grid 26 is received, so that the flap 4 can be inspected from above.
  • a driving shaft 19 Connected to the lower side of the cover plate 18 is a driving shaft 19 which, near the two side walls 2, 3 of the box, is provided with a worm wheel 20 (see Fig. 1).
  • the worm wheel 20 cooperates with a worm shaft 21.
  • the worm shaft 21 is provided with an engaging stub 22 (see Fig. 2) to be engaged with a handle, motor or such operating element. It is self-evident that to this end a driving motor can also be used which can optionally be integrated in the cover plate 18.
  • the driving shaft 19 also carries, on the ends, the driving elements 11, in the present exemplary embodiment the chain wheels 11.
  • the worm wheel 20 and the worm shaft 21 are accommodated in a housing 27 which also serves as a bearing for the driving shaft 19, which housing 27 is connected to the bottom side of the cover plate 18.
  • the engaging stub 22 extends in a bore 23 which extends completely through the cover plate 18. Through this bore 23, the engaging stub 22 can be engaged with the aid of an operating element such as, for instance, a handle, for adjusting the flap 4.
  • the box instead of being manufactured from concrete, can also be manufactured from a different material and the flap, instead of being manufactured from stainless steel, can be manufactured from a different material.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Barrages (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Control Of Eletrric Generators (AREA)
  • Control Of Water Turbines (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Claims (13)

  1. Appareil pour commander le niveau d'eau dans une rigole, un canal, une rivière ou équivalent, l'appareil étant muni d'une boíte comprenant une paroi de fond (1) et deux parois latérales (2, 3) alors que dans la boíte un clapet de bloc de déversoir (4) est monté qui est relié à la boíte de manière à pouvoir être tourné autour d'une charnière (5), la charnière (5) étant située à proximité de la paroi inférieure (1) de la boíte, le clapet (4) étant muni d'un bord inférieur (6) et de deux bords latéraux (8, 9) buttant contre la paroi de fond (1) et les parois latérales (2, 3), respectivement, de la boíte, de telle sorte qu'elles forment une fermeture sensiblement étanche à l'eau, l'appareil étant muni d'un mécanisme de réglage destiné à régler le clapet dans différentes positions pivotales pour commander le niveau d'eau, caractérisé en ce que le mécanisme de réglage comprend un élément moteur et au moins un élément flexible (10), une première extrémité libre (10a) de l'élément flexible (10) étant reliée au clapet (4), de préférence à proximité d'un bord supérieur (7) du clapet (4), l'élément flexible (10) étant guidé sur l'élément moteur (11), alors qu'une première partie (10') de l'élément flexible (10), formée par la partie de l'élément flexible (10) depuis la première extrémité libre (10a) vers l'élément moteur (11), s'étend dans une première rainure (13) fournie dans ou sur une paroi latérale (2, 3) de la boíte, la ou chaque première rainure (13) étant de segment circulaire, le centre imaginaire de la rainure à segment circulaire coïncidant avec l'axe central de la charnière (5).
  2. Appareil selon la revendication 1, caractérisé en ce que le mécanisme de réglage est muni de deux éléments flexibles, tel qu'un élément flexible (10) s'étendant dans chaque paroi latérale (2, 3) de la boíte dans une dite première rainure (13).
  3. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une seconde partie (10'') du ou de chaque élément flexible (10) formée par la partie de l'élément flexible (10) depuis une seconde extrémité libre (10b) vers l'élément moteur (11), s'étend dans une seconde rainure (12) fournie dans la paroi latérale (2, 3) de la boíte.
  4. Appareil selon les revendications 1 à 2, caractérisé en ce que le ou chaque élément flexible, quand le clapet est fermé, est enroulé autour de l'élément moteur.
  5. Appareil selon la revendication 4, caractérisé en ce que le ou chaque élément moteur comprend une bobine et le ou chaque élément flexible comprend une chaíne ou un câble à maillons.
  6. Appareil selon la revendication 3, caractérisé en ce que le ou chaque élément flexible comprend une chaíne (10), alors que le ou chaque élément moteur (11) comprend une roue de chaíne ou un barbotin d'entraínement.
  7. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que la ou chaque première rainure (13) et la ou chaque seconde rainure possible (12) sont formées dans un matériau (14) avec un faible coefficient de frottement, tel que, par exemple du plastique.
  8. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que les bords latéraux (8, 9) du clapet (4) sont munis de profils d'étanchéité flexibles (15).
  9. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au niveau de l'emplacement du bord inférieur (6) du clapet (4), l'appareil est muni d'un profil d'étanchéité flexible (16).
  10. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que le ou chaque élément moteur (11) est reçu dans une chambre (17) dans une paroi latérale (2, 3) de la boíte.
  11. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que la boíte est munie d'une plaque de recouvrement (18).
  12. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que le ou chaque élément moteur (11) est monté sur un arbre de commande commun (19) qui se voit monter en outre une roue à vis sans fin (20) qui coopère avec un arbre de vis sans fin (21), lequel arbre de vis sans fin (21) est muni d'un de pilier mise de prise (22) pour la mise en prise avec une poignée ou élément de fonctionnement équivalent.
  13. Appareil selon les revendications 11 et 12, caractérisé en ce que l'arbre de commande (19) s'étend sous la plaque de recouvrement (18), alors que la roue à vis sans fin (20) et l'arbre de vis sans fin (21) sont situés sous la plaque de recouvrement (18), et dans la plaque de recouvrement (18) un alésage (23) est fourni qui donne accès au pilier de mise en prise (22).
EP01203491A 2000-09-14 2001-09-13 Dispositif de contrôle de niveau d'eau dans une rigole, un canal, une rivière ou similaire Expired - Lifetime EP1188863B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1016187 2000-09-14
NL1016187A NL1016187C2 (nl) 2000-09-14 2000-09-14 Inrichting ten behoeve van de regeling van het waterniveau in een sloot, kanaal, rivier of dergelijke.

Publications (2)

Publication Number Publication Date
EP1188863A1 EP1188863A1 (fr) 2002-03-20
EP1188863B1 true EP1188863B1 (fr) 2004-12-01

Family

ID=19772083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01203491A Expired - Lifetime EP1188863B1 (fr) 2000-09-14 2001-09-13 Dispositif de contrôle de niveau d'eau dans une rigole, un canal, une rivière ou similaire

Country Status (4)

Country Link
EP (1) EP1188863B1 (fr)
AT (1) ATE283944T1 (fr)
DE (1) DE60107511T2 (fr)
NL (1) NL1016187C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019158259A1 (fr) 2018-02-13 2019-08-22 Pharmed S.A.M. Procédé et appareil de détection de contour, et de localisation d'un produit tridimensionnel reposant dans une position verticale ou une position renversée sur une surface

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1021754C2 (nl) 2002-10-25 2004-04-27 Kwt Holding B V Inrichting voor het regelen van het waterniveau in een watergang.
JP5580785B2 (ja) * 2011-06-21 2014-08-27 日立造船株式会社 浮体式フラップゲート
JP6480221B2 (ja) * 2015-03-18 2019-03-06 日立造船株式会社 浮体式フラップゲートの側部水密構造
CN106677139B (zh) * 2017-02-28 2023-05-30 浙江衢州河口闸门有限公司 一种弧形升降生态闸门

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH119408A (fr) * 1926-07-05 1927-08-01 Aine Jonneret Fils Dispositif de manoeuvre d'une vanne.
CH188255A (de) * 1936-02-19 1936-12-31 Viktor Lutz Alois Stauklappe mit einseitigem Antrieb.
US4549837A (en) * 1983-07-21 1985-10-29 Hebert Camile J Penstock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019158259A1 (fr) 2018-02-13 2019-08-22 Pharmed S.A.M. Procédé et appareil de détection de contour, et de localisation d'un produit tridimensionnel reposant dans une position verticale ou une position renversée sur une surface

Also Published As

Publication number Publication date
DE60107511D1 (de) 2005-01-05
EP1188863A1 (fr) 2002-03-20
DE60107511T2 (de) 2005-12-15
ATE283944T1 (de) 2004-12-15
NL1016187C2 (nl) 2002-03-15

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