FR2998902A1 - Device for replacing hydraulic winnowing shovels for self-regulation of level in waterway, has housings fixed on frame and placed in liquid flow, where force is applied on sides of horizontal axis to modulate opening of panel - Google Patents

Device for replacing hydraulic winnowing shovels for self-regulation of level in waterway, has housings fixed on frame and placed in liquid flow, where force is applied on sides of horizontal axis to modulate opening of panel Download PDF

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Publication number
FR2998902A1
FR2998902A1 FR1203281A FR1203281A FR2998902A1 FR 2998902 A1 FR2998902 A1 FR 2998902A1 FR 1203281 A FR1203281 A FR 1203281A FR 1203281 A FR1203281 A FR 1203281A FR 2998902 A1 FR2998902 A1 FR 2998902A1
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panel
frame
liquid flow
level
horizontal axis
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FR1203281A
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French (fr)
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FR2998902B1 (en
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Marlene Sandra Vantillard
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20Movable barrages; Lock or dry-dock gates
    • E02B7/40Swinging or turning gates
    • E02B7/46Gates turning round a horizontal axis arranged midway of the flap
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20Movable barrages; Lock or dry-dock gates
    • E02B7/205Barrages controlled by the variations of the water level; automatically functioning barrages

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The device has a frame (1) forming an external structure, where a panel (5) is placed on the external structure. The panel is articulated on a horizontal axis (4) that is pivoted in two housings (3). The housings are fixed on the frame and placed in a liquid flow, where a force is applied on sides of the horizontal axis to modulate opening of the panel. Two guidance cheeks (11) guide the liquid flow and are laterally located on the frame. A lower part (8) and an upper part (6) of the panel are articulated into an upright position and a tilted position, respectively.

Description

La présente invention concerne un dispositif se substituant aux pelles de vannages hydrauliques pour autoréguler le niveau d'un cours d'eau sans intervention humaine ni automatisme. La régulation du niveau des cours d'eau en période de crue, d'étiage ou de manoeuvre informelle d'un ouvrage amont fait traditionnellement appel à la vigilance suivie d'une mobilisation humaine ou bien à un automatisme nécessitant l'apport d'énergie motrice. Dans ce cas, le temps de réactivité est déterminant pour préserver le risque humain et les conséquences écologiques, matérielles et financières en cas d'inondation par exemple. Le facteur aggravant de telles situation est souvent la carence d'anticipation. Le dispositif selon l'invention permet de remédier à cet inconvénient. Il comporte en effet selon une première caractéristique, un cadre formant la structure extérieure disposé verticalement dans lequel est placé sur le même plan un panneau articulé sur un axe horizontal maintenu dans deux logements fixés sur le cadre, formant une partie haute et une partie basse. Ce panneau articulé, dans sa partie basse, vient en butée en position verticale, et dans sa partie haute peut venir en butée en position basculée. Ce dispositif, placé face à un flux liquide, reçoit de part et d'autre de l'axe une force appliquée qui, suivant le niveau, module l'ouverture du panneau Ainsi, lorsque le niveau de liquide appliqué sur le panneau articulé engendre par rapport à son axe une force supérieure en partie haute, le panneau bascule et entraîne un passage préférentiel du flux de liquide en partie basse, ce qui implique une descente du niveau de liquide. Dès que le niveau de liquide appliqué sur le panneau articulé engendre par rapport à son axe une force supérieure en partie basse, le panneau revient en position vertical et masque le passage du flux de liquide en partie basse. Par ce fait, le dispositif assure une régulation de niveau sans mécanisation. Selon des modes particuliers de réalisation : -le panneau peut ne pas araser le cadre dans sa partie basse de façon à obtenir le passage permanent calculé d'un flux de liquide -le panneau peut avoir une largeur plus importante en partie basse de façon à avoir une 30 fonction de butée sur le cadre métallique -deux joues de guidage situées latéralement en partie haute du cadre peuvent contenir le flux de liquide s'échappant de part et d'autre du panneau. -la structure peut disposer d'un ancrage pour recevoir la crémaillère d'un ouvrage -deux doigts mobiles ( 14 ) verticalement sur un axe et en butée en position horizontale 35 peuvent lever et retenir accessiblement les embâcles. Les dessins annexés illustrent l'invention : La figure 1 représente en vue de face et en vue de droite, le dispositif selon l'invention. En référence à ces dessins, le dispositif comporte un cadre rigide ( 1 ) dont le profil extérieur ( 2 ) épouse une feuillure existante d'ouvrage. Deux logements ( 3 ) 40 fixés sur le cadre rigide ( 1 ) reçoivent les extrémités d'un axe d'articulation horizontal ( 4) solidaire du panneau ( 5 ). La partie haute du panneau ( 6 ) épouse le passage intérieur du cadre rigide ( 7). La partie basse du panneau ( 8 ), par des dimensions supérieures, repose en butée ( 9 ) sur le cadre rigide ( 1 ). La partie haute du panneau ( 6 ) repose sur une butée ( 10 ) lorsque le panneau est totalement basculé ( fig 2). Deux 45 joues de guidage du flux de liquide sortant ( 11 ) sont fixées latéralement en partie haute du cadre. La position de l'axe sur le panneau est tel que suivant les pressions appliquées par le flux de liquide sur les parties basses et hautes additionnées du panneau, une action apporte au panneau une position repos à débit minimum ( 12 ) ou position 50 basculée à débit supérieur ( 13 ). La position du panneau est directement liée au niveau de liquide placé sur le panneau. De ce fait, une régulation de niveau de liquide s'effectue, directement liée au placement vertical de la structure par rapport au lit du flux de liquide. Dans la forme de réalisation selon la figure 1, l'ensemble est composé, d'un cadre rigide ( 1 ) assemblé formant la structure extérieure, d'un panneau ( 5 ) articulé sur un axe ( 4 ) couvrant en totalité ou partie la surface intérieure du cadre ( 7), deux logements ( 3) solidaires du cadre rigide recevant les deux extrémités de l'axe du panneau ( 4 ). Le cadre est équipé d'une butée en partie supérieure ( 10 ) ayant fonction de fin 10 de course au panneau en position basculée et de deux joues de guidage ( 11 ) du flux liquide sortant en partie haute. Selon une variante non illustrée, les joues de guidage fixées latéralement en partie haute du cadre peuvent avoir des dimensions variables en fonction d'un débit de fuite de liquide souhaité en partie haute pour favoriser une plus grande oxygénation de 15 l'eau. A titre d'exemple non limitatif, la structure sera mécano soudée et de section rectangulaire. Le dispositif pourra être en acier inox ou traité anticorrosion. Le dispositif selon l'invention est particulièrement destiné a remplacer l'automatisme ou l'intervention humaine dans la manoeuvre des pelles sur les ouvrages 20 hydrauliques des cours d'eau et, apporter une solution économique et la résolution partielle des objectifs de continuité écologiques émis par les SDAGE issus de la loi sur l'eau. 25 30 35 40 45 50The present invention relates to a device substituting hydraulic excavation excavators for self-regulating the level of a watercourse without human intervention or automation. The regulation of the level of rivers during periods of flood, low water or informal maneuvering of an upstream structure traditionally calls for vigilance followed by human mobilization or automation requiring energy input. driving. In this case, the time of reactivity is decisive to preserve the human risk and the ecological, material and financial consequences in case of flood for example. The aggravating factor of such a situation is often lack of anticipation. The device according to the invention overcomes this disadvantage. It comprises in fact according to a first feature, a frame forming the outer structure disposed vertically in which is placed on the same plane a hinged panel on a horizontal axis held in two housings fixed on the frame, forming an upper part and a lower part. This hinged panel, in its lower part, abuts in vertical position, and in its upper part can come into abutment in tilted position. This device, placed facing a liquid flow, receives on either side of the axis an applied force which, depending on the level, modulates the opening of the panel Thus, when the level of liquid applied to the hinged panel generates by relative to its axis a higher force in the upper part, the panel tilts and causes a preferential passage of the liquid flow at the bottom, which implies a lowering of the liquid level. As soon as the level of liquid applied to the hinged panel generates an upper force in the lower part with respect to its axis, the panel returns to the vertical position and hides the passage of the liquid flow in the lower part. As a result, the device provides level control without mechanization. According to particular embodiments: -the panel may not screed the frame in its lower part so as to obtain the calculated permanent passage of a liquid flow -the panel may have a larger width in the lower part so as to have a stop function on the metal frame -two guiding cheeks located laterally in the upper part of the frame can contain the flow of liquid escaping on either side of the panel. the structure can have an anchor for receiving the rack of a structure -two movable fingers (14) vertically on one axis and abutment in a horizontal position 35 can lift and retain easily the jams. The attached drawings illustrate the invention: FIG. 1 represents a front view and a right view of the device according to the invention. With reference to these drawings, the device comprises a rigid frame (1) whose outer profile (2) matches an existing rebate of structure. Two housings (3) 40 fixed on the rigid frame (1) receive the ends of a horizontal hinge pin (4) integral with the panel (5). The upper part of the panel (6) matches the inner passage of the rigid frame (7). The lower part of the panel (8), by greater dimensions, rests in abutment (9) on the rigid frame (1). The upper part of the panel (6) rests on a stop (10) when the panel is fully tilted (Figure 2). Two 45 guide cheeks of the outgoing liquid flow (11) are attached laterally in the upper part of the frame. The position of the axis on the panel is such that according to the pressures applied by the flow of liquid on the added low and high parts of the panel, an action brings the panel a rest position at minimum flow (12) or position 50 tilted to higher flow rate (13). The position of the panel is directly related to the level of liquid placed on the panel. As a result, liquid level control is effected, directly related to the vertical placement of the structure with respect to the bed of the liquid flow. In the embodiment according to Figure 1, the assembly is composed of a rigid frame (1) assembled forming the outer structure, a panel (5) articulated on an axis (4) covering all or part of the inner surface of the frame (7), two housings (3) integral with the rigid frame receiving the two ends of the axis of the panel (4). The frame is equipped with a stopper in the upper part (10) having a function of end 10 of the panel in the tilted position and two cheeks (11) for guiding the liquid stream exiting at the top. According to a variant not illustrated, the guide cheeks laterally fixed in the upper part of the frame may have variable dimensions depending on a desired liquid leakage rate at the top to promote greater oxygenation of the water. As a non-limiting example, the structure will be mechanically welded and rectangular section. The device may be stainless steel or anti-corrosion treated. The device according to the invention is particularly intended to replace automation or human intervention in the maneuvering of shovels on the hydraulic structures of watercourses and to provide an economic solution and the partial resolution of the ecological continuity objectives issued. by the SDAGE from the water law. 25 30 35 40 45 50

Claims (3)

REVENDICATIONS10 Dispositif se substituant aux pelles de vannages hydrauliques pour autoréguler le niveau d'un cours d'eau caractérisé en ce qu'il comporte un cadre ( 1 ) formant la structure extérieure dans lequel est placé sur le même plan un panneau ( 5 ) articulé sur un axe horizontal ( 4 ) pivotant dans deux logements ( 3 ) fixés sur le cadre ( 1 ), placé face à un flux liquide, reçoit de part 15 et d'autre de l'axe une force appliquée qui module l'ouverture du panneau ( 5).CLAIMS10 Device substituting hydraulic hydraulic excavators for self-regulating the level of a stream characterized in that it comprises a frame (1) forming the outer structure in which is placed on the same plane a panel (5) hinged on a horizontal axis (4) pivoting in two housings (3) fixed on the frame (1), placed facing a liquid flow, receives on either side of the axis an applied force which modulates the opening of the panel (5). 2) Dispositif selon la revendication 1 caractérisé en ce que le panneau ( 5) articulé, dans sa partie basse ( 8 ), vient en butée ( 9 ) en position verticale, et dans sa partie haute ( 6 ) peut venir en butée en position basculée ( 10 ).2) Device according to claim 1 characterized in that the panel (5) articulated in its lower part (8) abuts (9) in the vertical position, and in its upper part (6) can abut in position tilted (10). 3) Dispositif selon la revendication 1 ou la revendication 2 caractérisé en 20 ce que deux joues de guidage ( 11 ) du flux liquide sont situées latéralement en partie haute du cadre et qu'un ancrage peut recevoir la crémaillère d'un ouvrage. 353) Device according to claim 1 or claim 2 characterized in that two cheeks (11) of the liquid flow are located laterally in the upper part of the frame and an anchor can receive the rack of a structure. 35
FR1203281A 2012-12-04 2012-12-04 SELF-REGULATING WATER LEVEL HYDRAULIC VENTING EXCAVATOR Active FR2998902B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1203281A FR2998902B1 (en) 2012-12-04 2012-12-04 SELF-REGULATING WATER LEVEL HYDRAULIC VENTING EXCAVATOR

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1203281 2012-12-04
FR1203281A FR2998902B1 (en) 2012-12-04 2012-12-04 SELF-REGULATING WATER LEVEL HYDRAULIC VENTING EXCAVATOR

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FR2998902A1 true FR2998902A1 (en) 2014-06-06
FR2998902B1 FR2998902B1 (en) 2018-02-02

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US35756A (en) * 1862-07-01 Improvement in valves or wickets for canal-lock gates
US1039072A (en) * 1911-11-03 1912-09-17 Walter S Edge Automatic flood-gate.
DE1008666B (en) * 1953-02-05 1957-05-16 Paul Gerhardt Weber Dipl Ing Automatic flap weir
JPS52171836U (en) * 1976-06-22 1977-12-27
JPH01138925U (en) * 1988-03-01 1989-09-22

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US35756A (en) * 1862-07-01 Improvement in valves or wickets for canal-lock gates
US1039072A (en) * 1911-11-03 1912-09-17 Walter S Edge Automatic flood-gate.
DE1008666B (en) * 1953-02-05 1957-05-16 Paul Gerhardt Weber Dipl Ing Automatic flap weir
JPS52171836U (en) * 1976-06-22 1977-12-27
JPH01138925U (en) * 1988-03-01 1989-09-22

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