EP0549768A1 - Machine de nettoyage des grilles a l'aide d'un bras oscillant pour presse hydraulique - Google Patents

Machine de nettoyage des grilles a l'aide d'un bras oscillant pour presse hydraulique Download PDF

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Publication number
EP0549768A1
EP0549768A1 EP92915499A EP92915499A EP0549768A1 EP 0549768 A1 EP0549768 A1 EP 0549768A1 EP 92915499 A EP92915499 A EP 92915499A EP 92915499 A EP92915499 A EP 92915499A EP 0549768 A1 EP0549768 A1 EP 0549768A1
Authority
EP
European Patent Office
Prior art keywords
machine
arm
gratings
cleaning
hydraulic
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
EP92915499A
Other languages
German (de)
English (en)
Other versions
EP0549768B1 (fr
Inventor
José Luis Ctra. Castellon GIMENEZ GARCES
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.)
TAIM-TFG SA
Original Assignee
TAIM-TFG SA
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 TAIM-TFG SA filed Critical TAIM-TFG SA
Publication of EP0549768A1 publication Critical patent/EP0549768A1/fr
Application granted granted Critical
Publication of EP0549768B1 publication Critical patent/EP0549768B1/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
    • E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
    • E02B8/023—Arresting devices for waterborne materials
    • E02B8/026—Cleaning devices

Definitions

  • the present description relates, as indicated in the title, to a machine for cleaning gratings by means of an oscillating arm for hydraulic weirs of the type used for cleaning dirt which is deposited on the gratings of hydraulic weirs, essentially when the flow of the water is utilized for electric power stations.
  • the mechanisms known in general consist of a machine mounted on a chasis which has a roller system in order to move the machine mounted thereon along the weir by means of rails or guides fixed on the ground.
  • This type of machines incorporate a spoon with an opening system by means of cable which moves along the grating being open when going down and closed when going up.
  • the aforesaid machines usually have a crane jib or crane arm provided with hinges fixed on a guideable base having at their trapping end a pair of clamps capable of trapping voluminous bodies and large size trunks which the spoon or the shovel cannnot take out of the water surface; Said machines are handled by an operator which has to be ready at all times to maintain the appropriate cleanness of the water which, as mentioned before, is used to move the turbines of electric power stations.
  • Another known mechanism consists of a system based on a fixed comb which covers the entire width of the weir going up and down by means of two toothed bars activated by an external electric motor.
  • Another known system comprises a machine which has a hackle, shovel or the like fixed at the lower end of an arm and that operates by elevating the entire said arm.
  • Some of the mechanisms or machines described above comprise a transporter which removes the dirt which has been taken out, said transporter being situated in the lower part of the machine, generally on the ground or very close thereto, and the movement of the dirt towards the transporter is limited by an opening such as a window; when the system does not include a transporter, the spoon deposits the dirt on the ground which will then have to be removed manually.
  • the system for cleaning gratings by a fixed comb has the inconvenience that by sliding very close to the gratings, it cannot trap objects of large volume or trunks of considerable dimensions, having in addition the inconvenience that their use is limited to wiers of small dimensions as for width and hight.
  • an oscillating arm for hydraulic weirs as the object of the present invention, which comprises an arm oscillating over a pivoting point, and rails disposed thereof which permit the displacement of a carraige provided with rollers and having support base on which a shovel or a hackle is fixed which can take out the dirt trapped on the gratings either at the bottom or on the surface of the water even though there are bodies, trunks and branches of considerable dimensions since there are no obligatory pass-way or window between the shovel when unloading and the transporter which removes the collected dirt.
  • the shovel or hackle which is fixed with the wheeled carriage, is displaced with respect to the oscillating arm by means of a dragging chain which is activated by a hydraulic motor.
  • the machine for cleaning gratings by means of an oscillating arm for hydraulic weirs hereby proposed has advantage over all of the known systems in that in the descending movement of the spoon, the guiding arm being oscillatory, moves sufficiently away from the grating by the action of a hydrualic cylinder, so that in the phase of approaching the bottom of the grating it can collect the dirt deposited at said bottom.
  • Another advantage offered by the present invention is that the structure of the machine avoids the need for forming an obligatory pass-way towards the transporter at the moment that the spoon is taking the dirt out, which dirt may be composed of small parts as well as large bodies and trunks of considerable dimensions.
  • Another economic advantage of this invention is that a complementary crane arm which other cleaning systems for gratings have to install in order to be able to take out the already mentioned large bodies and considerable size trunks, is eliminated.
  • Another advantage in relation to this invention is that the control of mechanisms by means of a hydraulic center may be carried out either manually or automatically so that the operator of the system may combine the tasks of cleaning with other duties.
  • Another advantage of the proposed machine for cleaning gratings consists of its capability of cleaning any type of weir and of any depth since its oscillatory arm permits access to any point of the gratings even if said gartings have irregular forms.
  • the machine for cleaning gratings by means of an oscillating arm for hydraulic weirs, object of the present invention includes, as it can be observed in the mentioned figures, a machine (1) which through a rotation axis (2) comprises an oscillatory arm (3) having the shape of "U" inside of which a plurality of guides (4) are located which permit the movement of the carriage (5) by means of wheels (6), said movement being transmitted to the carriage (5) by means of chain (7) which is activated by means of a hydraulic motor (8) situated at the exterior end of the oscillatory arm (3) which adopts the positions of oscillation by means of a double-acting cylinder (9) secured to the structure of the machine (1).
  • the carriage (5) securely supports an arm (10) thatat one end of which oppossite to the carriage (5) comprises securely a spoon or shovel (11) which upon its raising movement close to the grating (12) takes out the accumulated dirt; and by means of a tilting movement of the mentioned spoon (11), upon reaching to the point (14), the dirt is emptied on to the transporter (13) which then evacuates the dirt towards one side of the weir.
  • the displacement of the machine (1) along the weir is carried out by means of guides or railes (15) over which wheels (16) are moveable. All the movements of the system may be controlled either manually by an operator or automatically by means of a preestablished program.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Feedback Control In General (AREA)
  • Harvester Elements (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Detergent Compositions (AREA)

Abstract

Machine de nettoyage des grilles au moyen d'un bras oscillant pour presse hydraulique, comportant un bras oscillant (3) qui pivote autour d'un point de pivotement (2) rendant possible le positionnement du bras en question au moyen d'un vérin à double effet (9). Le bras susmentionné transporte à l'intérieur un chariot (5) portant une pelle (11), et se déplaçant au moyen de roues (6) sur deux rails (4) afin d'avoir accès à tous les points de la grille pour son nettoyage, grâce au glissement mentionné du chariot (5) à l'intérieur du bras (3) et également grâce au déplacement de la machine le long de la presse à l'aide des rails sur lesquels glissent les rouleaux solidaires de la base de la machine.
EP92915499A 1991-07-19 1992-07-17 Machine de nettoyage des grilles a l'aide d'un bras oscillant pour presse hydraulique Expired - Lifetime EP0549768B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES09101696A ES2046082B1 (es) 1991-07-19 1991-07-19 Maquina limpia rejas por brazo oscilante para presas hidraulicas.
ES9101696 1991-07-19
PCT/ES1992/000054 WO1993002255A1 (fr) 1991-07-19 1992-07-17 Machine de nettoyage des grilles a l'aide d'un bras oscillant pour presse hydraulique

Publications (2)

Publication Number Publication Date
EP0549768A1 true EP0549768A1 (fr) 1993-07-07
EP0549768B1 EP0549768B1 (fr) 1996-05-08

Family

ID=8273071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92915499A Expired - Lifetime EP0549768B1 (fr) 1991-07-19 1992-07-17 Machine de nettoyage des grilles a l'aide d'un bras oscillant pour presse hydraulique

Country Status (7)

Country Link
EP (1) EP0549768B1 (fr)
AT (1) ATE137832T1 (fr)
CA (1) CA2091901A1 (fr)
DE (1) DE69210577D1 (fr)
ES (1) ES2046082B1 (fr)
FI (1) FI931210A (fr)
WO (1) WO1993002255A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3009790A1 (fr) * 2013-08-23 2015-02-27 Ma Ind Inc Degrilleur a poutre flottante

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110965530B (zh) * 2019-12-03 2021-06-15 华北水利水电大学 导轨式清污装置
CN112474454B (zh) * 2020-11-05 2022-07-08 李国钊 一种水利工程用自动清洗机及其清洗方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH396779A (de) * 1963-01-23 1965-07-31 Bieri & Sohn H Rechenreinigungsvorrichtung für hydraulische Anlage
FR2302387A1 (fr) * 1975-02-27 1976-09-24 Duverneuil Monique Dispositif de nettoyage des grilles
CH600061A5 (en) * 1976-03-03 1978-06-15 Bieri Ag Liebefeld H Sewage gully cleaning machine
IT1074401B (it) * 1978-01-03 1985-04-20 O M T I P Srl Apparato di pulitura delle griglie di vagliatura nei canali d'acqua
SE416413B (sv) * 1978-02-10 1980-12-22 Hans Hansson Anordnig for automatisk resning av avskiljningsgaller vid turbinintag, friskvattenintag,avloppsanleggning och liknande
AT375116B (de) * 1982-06-24 1984-07-10 Weber Manfred Ing Rechenreinigungsmaschine
FR2532863B3 (fr) * 1982-09-15 1985-08-02 Degremont Sa Degrilleur droit a commande pneumatique
DE3620474A1 (de) * 1986-06-19 1987-12-23 Winfried Dipl Ing Schaefer Automatischer rechenreiniger mit pneumatischem antrieb

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9302255A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3009790A1 (fr) * 2013-08-23 2015-02-27 Ma Ind Inc Degrilleur a poutre flottante

Also Published As

Publication number Publication date
WO1993002255A1 (fr) 1993-02-04
ES2046082A1 (es) 1994-01-16
FI931210A (fi) 1993-05-17
DE69210577D1 (de) 1996-06-13
EP0549768B1 (fr) 1996-05-08
FI931210A0 (fi) 1993-03-18
ES2046082B1 (es) 1994-08-01
ATE137832T1 (de) 1996-05-15
CA2091901A1 (fr) 1993-01-20

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