EP1188863A1 - 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
EP1188863A1
EP1188863A1 EP01203491A EP01203491A EP1188863A1 EP 1188863 A1 EP1188863 A1 EP 1188863A1 EP 01203491 A EP01203491 A EP 01203491A EP 01203491 A EP01203491 A EP 01203491A EP 1188863 A1 EP1188863 A1 EP 1188863A1
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.)
Granted
Application number
EP01203491A
Other languages
German (de)
English (en)
Other versions
EP1188863B1 (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.
  • 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. This is particularly undesirable when the apparatuses are situated in the middle of the countryside and hence no help is at hand for releasing the flap operator from his awkward position and giving the necessary first aid.
  • the known apparatuses are remotely controllable. Then, the danger exists that a third person, not reckoning with the possibility that the adjusting mechanism comes into operation unexpectedly, is injured by the adjusting mechanism or gets caught in it.
  • a second drawback of the fact that the adjusting mechanism is freely accessible is that it is susceptible to vandalism. Landholders are often not at all happy with the regulation or control of the water level in ditches, open canals, canals and rivers as carried out by the district water boards. Indeed, the interests of the district water board quite often do not coincide with the interests of the local landholder. In consequence, in practice, it regularly occurs that a landholder personally adjusts the flap or vandalizes the toothed rack, so that the flap is no longer adjustable.
  • 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 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 a 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.
  • 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.
  • 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.

Landscapes

  • 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)
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 true EP1188863A1 (fr) 2002-03-20
EP1188863B1 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 (3)

* 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.
JP2013002250A (ja) * 2011-06-21 2013-01-07 Hitachi Zosen Corp 浮体式フラップゲート
JP2016173012A (ja) * 2015-03-18 2016-09-29 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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR3077907B1 (fr) 2018-02-13 2021-06-18 Pharmed S A M Installation et procede pour la detection du contour, et de la localisation d’un produit en trois dimensions reposant a l’endroit ou a l’envers sur une surface

Citations (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

Patent Citations (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 (3)

* 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.
JP2013002250A (ja) * 2011-06-21 2013-01-07 Hitachi Zosen Corp 浮体式フラップゲート
JP2016173012A (ja) * 2015-03-18 2016-09-29 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

Also Published As

Publication number Publication date
DE60107511T2 (de) 2005-12-15
DE60107511D1 (de) 2005-01-05
NL1016187C2 (nl) 2002-03-15
EP1188863B1 (fr) 2004-12-01
ATE283944T1 (de) 2004-12-15

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