EP0945189B1 - Grille de crible - Google Patents

Grille de crible Download PDF

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Publication number
EP0945189B1
EP0945189B1 EP99103822A EP99103822A EP0945189B1 EP 0945189 B1 EP0945189 B1 EP 0945189B1 EP 99103822 A EP99103822 A EP 99103822A EP 99103822 A EP99103822 A EP 99103822A EP 0945189 B1 EP0945189 B1 EP 0945189B1
Authority
EP
European Patent Office
Prior art keywords
grating
sieve
profile
bars
bar
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
EP99103822A
Other languages
German (de)
English (en)
Other versions
EP0945189A3 (fr
EP0945189A2 (fr
Inventor
Wolfgang Lehmann
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.)
Isenmann Siebe GmbH
Original Assignee
Isenmann Siebe GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7862187&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0945189(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Isenmann Siebe GmbH filed Critical Isenmann Siebe GmbH
Priority to DE29924351U priority Critical patent/DE29924351U1/de
Publication of EP0945189A2 publication Critical patent/EP0945189A2/fr
Publication of EP0945189A3 publication Critical patent/EP0945189A3/fr
Application granted granted Critical
Publication of EP0945189B1 publication Critical patent/EP0945189B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4681—Meshes of intersecting, non-woven, elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/12—Apparatus having only parallel elements

Definitions

  • the invention relates to a sieve grate for separating Bulk goods with grate bars arranged side by side, that form gaps between themselves and those on crossbars are attached.
  • Conventional sieve grids for rough separation of Bulk goods consist of crossbeams with larger ones Distances and screwed or screwed or on or welded-on grate bars with smaller distances. According to the arrangement of the crossbars and the Rust bars result in gaps.
  • the grates can be arranged with an inclination and / or in steps.
  • the material of these gratings is made of steel. Are the grates screwed together, so are assembly and disassembly consuming. If they are welded together, there is assembly and disassembly also complex and it can not individual grate bars to be replaced, but it must the entire welded frame can be replaced. There is also a risk of rust formation. For softer ones materials to be screened / dewatered (for Example root crops such as potatoes, beets, etc.) damage from the hard materials.
  • the object of the invention is in a sieve grid Production, assembly, disassembly and simplify and improve maintenance and to achieve high operational reliability.
  • this object is achieved by that the grate bars on the crossbar are positive are releasably attached without additional securing parts.
  • Such a grate sieve is particularly simple to manufacture and is preferably assembled without tools. In particular, it has a high level of operational reliability and is easy to repair.
  • the grate has at least two crossbeams 1 and 1 releasably attached grate bars 2.
  • the one for crossbeams and grate bars used is rubber-elastic preferably polyurethane 5.
  • the cross beams and the Grate bars can be provided with reinforcements.
  • the Crossbars contain open ones Mounting recesses 6 in which the grate bars 2 from Be pushed in from above.
  • One in particular sawtooth-shaped locking recess 7 in the Mounting recess 6 in the crossbar 1 and a Locking projection 8 of the same cross section on Grate bar 2 prevent accidental loosening by the application vibration could occur.
  • the gap length is determined by the distance between the Crossbar determined.
  • the grate bars 2 preferably have a profile tapering downward in cross section Gap area to avoid the jamming of boundary grain. For further protection of "soft" screenings and for the head profile of the Grate bar preferably be rounded (Fig. 4, 5, 6).
  • the mounting profile 9 is preferably at the end arranged at the ends of the grate bars 2.
  • the Mounting profiles 9 can also be centered on the grate bars 2 to be appropriate. This is the top of the Crossbar 1 and that of the grate bars 2 on one level. To increase the open screen area, the The mounting profiles on the grate bars protrude downwards (Fig. 8a). The grate bars run when assembled then over the crossbar, which is such a continuous Form a gap.
  • Mounting profile 9 is angular. But as soon as one Conical gap course is necessary, this is achieved through tapering training in the direction of conveyance the grate bars and / or by a widening one another Arrangement of the grate bars (Fig. 9, 10) so that the columns widen between the grate bars.
  • Mounting profile preferably round, especially cylindrical (Fig. 9, 10) formed, that is, the mounting profiles are down (Fig. 9a to 9c) or face (Fig. 10a to 10c) parts protruding from the grate bars, especially cones with in particular round horizontal cross section and in particular cylindrical shape with vertical cylinder axis. In order to distribution of the screenings is achieved at the same time.
  • FIG. 2a and 2b can preferably in the lower area of the grate bars on one or both sides Spacer knobs (3a and 3b) must be worked in on the side.
  • the Flank slope 3-20 degrees, preferably 5-10 degrees should and the mounting profile with an oversize is to ensure a secure hold on the crossbeam to reach.
  • horizontal Collar bolts 11 are provided, each half in semi-cylindrical recesses of the mounting profile 9 and the mounting recess 6 on both sides of the mounting profile insert and therefore preferably the Locking projection 8 and the locking recess 7 replace.
  • Vertical drainage or cleaning openings 10 extend from the bottom of the locking recess down through the crossbar.
  • the mounting profiles under the Profile bars may be arranged. As a result, the Crossbeam below the profile bars.
  • the recesses and mounting profiles are subject to stress conical.

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Claims (14)

  1. Grille de crible pour la séparation de matières pulvérulentes, avec des barreaux de grille (2) disposés côte à côte qui forment entre eux des fentes (2a) et qui sont fixés à des poutres transversales (1),
    caractériséee en ce que les barreaux de grille (2) sont fixés de manière démontable à coopération de forme sur les poutres transversales (1) sans pièces de fixation supplémentaires.
  2. Grille de crible selon la revendication 1,
    caractériséee en ce que la liaison démontable entre les barreaux de grille (2) et les poutres transversales (1) présente une liaison à encliquetage.
  3. Grille de crible selon la revendication 2,
    caractérisée en ce que les barreaux de grille (2) et les poutres transversales (1) présentent des évidements d'encliquetage (7) et des saillies d'encliquetage (8) logées dedans de mêmes dimension et forme.
  4. Grille de crible selon l'une des revendications précédentes,
    caractérisée en ce que le barreau de crible présente, pour la liaison à coopération de forme, une zone de montage (9) qui est logée dans un évidement de montage (6) de la poutre transversale (1).
  5. Grille de crible selon la revendication 4,
    caractérisée en ce que les évidements de montage (6) présentent des évidements d'arrêt et/ou des saillies d'arrêt qui correspondent avec des saillies d'arrêt et/ou des évidements d'arrêt correspondants des barreaux de grille.
  6. Grille de crible selon la revendication 4 ou 5,
    caractérisée en ce que la zone de montage du barreau de grille (2) est formée par une section profilée (9) à l'extrémité du barreau de grille, cette section prolongeant frontalement le barreau de crible.
  7. Grille de crible séton la revendication 6,
    caractérisée en ce que la section profilée (9) forme avec le profilé de barreau de crible un profilé aligné ou parallèle.
  8. Grille de crible selon la revendication 6,
    caractérisée en ce que la section profilée (9) forme un profilé disposé transversalement au profilé de barreau de grille.
  9. Grille de crible selon la revendication 8,
    caractérisée en ce que la section profilée (9) présente une section transversale rectangulaire, ronde ou ovale.
  10. Grille de crible selon la revendication 4 ou 5,
    caractérisée en ce que la zone de montage du barreau de grille (2) est une saillie (9) en saillie de la face inférieure du barreau de grille.
  11. Grille de crible selon la revendication 10,
    caractérisée en ce que la saillie (9) présente une section transversale rectangulaire, ronde ou ovale.
  12. Grille de crible selon l'une des revendications précédentes,
    caractérisée en ce que des boutons d'écartement (3a, 3b) font saillie latéralement sur les barreaux de grille.
  13. Grille de crible selon l'une des revendications précédentes,
    caractérisée en ce que les poutres transversales (1) et/ou les barreaux de grille (2) sont constitués de matière synthétique, en particulier de polyuréthane.
  14. Grille de crible selon la revendication 13,
    caractérisée en ce que des armatures, en particulier en métal, sont disposées dans la matière synthétique des barreaux de grille (2) et/ou des poutres transversales (1).
EP99103822A 1998-03-25 1999-02-27 Grille de crible Expired - Lifetime EP0945189B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29924351U DE29924351U1 (de) 1998-03-25 1999-02-27 Siebrost

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813006 1998-03-25
DE19813006 1998-03-25

Publications (3)

Publication Number Publication Date
EP0945189A2 EP0945189A2 (fr) 1999-09-29
EP0945189A3 EP0945189A3 (fr) 2000-05-31
EP0945189B1 true EP0945189B1 (fr) 2002-07-17

Family

ID=7862187

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99103822A Expired - Lifetime EP0945189B1 (fr) 1998-03-25 1999-02-27 Grille de crible

Country Status (2)

Country Link
EP (1) EP0945189B1 (fr)
DE (2) DE19904091A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2815548B1 (fr) * 2000-10-25 2003-08-15 Technos Et Cie Grille de separation pour separer des corps nettoyants d'un fluide et dispositif comprenant une telle grille
DE10106499A1 (de) * 2001-02-13 2002-08-29 Isenmann Siebe Gmbh Sieb mit spalt- oder schlitzförmigen Sieböffnungen
DE102005024236A1 (de) * 2005-05-25 2006-11-30 Isenmann Siebe Gmbh Siebfläche mit Stangenrost
US20080223762A1 (en) * 2006-05-03 2008-09-18 Dale Dees Material separator
DE102007008447A1 (de) * 2007-02-19 2008-04-17 Tegel Technik Gmbh Rüttelkörper für eine Sortiervorrichtung
EP3023165A1 (fr) * 2014-11-19 2016-05-25 Stocker Mechatronik GmbH Tamis à fentes
GB2570350B (en) * 2018-01-23 2022-11-30 Terex Gb Ltd Screening bar assembly for a screen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126331B (de) * 1961-04-19 1962-03-22 Hewitt Robins Internat S A Ruettelsieb
US3901801A (en) * 1974-06-17 1975-08-26 Hendrick Mfg Co Industrial screen
US4381235A (en) * 1980-11-20 1983-04-26 Powerscreen Limited Screening apparatus
SE443302B (sv) * 1980-11-24 1986-02-24 Berglunds Mek Ab Sorteringsanordning for schaktmassor

Also Published As

Publication number Publication date
DE59902011D1 (de) 2002-08-22
EP0945189A3 (fr) 2000-05-31
EP0945189A2 (fr) 1999-09-29
DE19904091A1 (de) 1999-09-30

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