FR2621447A1 - Device for decelerating the fall of seed grain in storage silos - Google Patents

Device for decelerating the fall of seed grain in storage silos Download PDF

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Publication number
FR2621447A1
FR2621447A1 FR8714645A FR8714645A FR2621447A1 FR 2621447 A1 FR2621447 A1 FR 2621447A1 FR 8714645 A FR8714645 A FR 8714645A FR 8714645 A FR8714645 A FR 8714645A FR 2621447 A1 FR2621447 A1 FR 2621447A1
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France
Prior art keywords
bearings
retarder
fall
decelerating
fixed
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FR8714645A
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French (fr)
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FR2621447B1 (en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes
    • B65G11/08—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation
    • B65G11/085—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation with zig-zag formations
    • B65G11/088—Chutes with discontinuous guiding surfaces, e.g. arranged in zigzag or cascade formation with zig-zag formations for bulk
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/16—Arrangements in forage silos
    • A01F25/166—Arrangements in forage silos in trench silos
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/16—Arrangements in forage silos
    • A01F25/18—Loading or distributing arrangements
    • A01F25/183—Loading arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/16—Preventing pulverisation, deformation, breakage, or other mechanical damage to the goods or materials

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

The present invention relates to a device for decelerating the fall of grain in silos, comprising, at the upper part, a receiving hopper 4 which carries two flexible vertical strips 4 placed facing one another and carrying intermediate levels placed in a staggered formation and consisting of a curved plate 10.

Description

La présente invention concerne un ralentisseur de chute de graines de semences dans les silos de stockage, comprenant principalement un ensemble pouvant être assimilé à une échelle qui comporterait des paliers incurvés. The present invention relates to a seed seed drop retarder in storage silos, mainly comprising an assembly which can be assimilated to a ladder which would include curved bearings.

Les graines de semence, par exemple des céréales, sont stockées dans des silos verticaux par une ouverture ménagée dans leur partie supérieure, ce qui entrain une chute provoquant un pourcentage élevé de graines abimées devenant impropre à leur destination. The seeds of seeds, for example cereals, are stored in vertical silos by an opening formed in their upper part, which causes a fall causing a high percentage of damaged seeds becoming unfit for their destination.

Pour remédier à ces pertes croûteuses, on connait des ralentisseurs constitués d'un axe vertical autour duquel est fixée une rampe de manière hélicoïdale, laquelle possède une bordure extérieure pour canaliser les grains. Un inconvénient majeur de ce ralentisseur réside en ce que les graines sont déportées, par la force centrifuge, sur l'extérieur de la rampeprovoquant une usure prématurée. Un autre inconvénient se trouve en ce que ces rampes sont rigides donc plus sensibles aux forces de traction des grains, lors du vidage des silos par la trappe inférieure. To remedy these crusty losses, known retarders consist of a vertical axis around which is fixed a ramp helically, which has an outer edge for channeling the grains. A major drawback of this retarder is that the seeds are offset, by centrifugal force, on the outside of the boom causing premature wear. Another drawback is that these ramps are rigid and therefore more sensitive to the traction forces of the grains, when the silos are emptied by the lower hatch.

Un inconvénient de cette rampe réside aussi en ce que sa conception hélicoïdale est complexe à la fabrication engendrant des coûts élevés. A drawback of this ramp also lies in that its helical design is complex to manufacture, generating high costs.

La présente invention a pour but de remédier à ces inconvenients. L'invention, telle qu'elle est caractérisée dans les revendications, résout le problème de stockage des graines de semence dans des silos en évitant une chute brutale. The object of the present invention is to remedy these drawbacks. The invention, as characterized in the claims, solves the problem of storing seed seeds in silos by avoiding a sudden fall.

La présente invention concerne un ralentisseur de chute de graines de semence, maintenu uniquement par sa partie supérieure sur un silo, par tout moyen approprié, laquelle partie supérieure est constituée d'une trémie de reception pour canaliser le flux des graines à l'entrée du ralentisseur proprement dit qui comporte deux bandes verticales et souples positionnées en visà-vis et fixées à la trémie, lesquelles bandes portent, sur toute la hauteur, des paliers incurvés qui sont opposés et placés en quinconce. Les paliers peuvent être plus ou moins inclinés et leur nombre peut varier selon la nature des graines à manipuler. The present invention relates to a seed seed drop retarder, held only by its upper part on a silo, by any suitable means, which upper part consists of a receiving hopper to channel the flow of seeds at the inlet of the actual retarder which comprises two vertical and flexible bands positioned opposite and fixed to the hopper, which bands carry, over the entire height, curved bearings which are opposite and placed in staggered rows. The bearings can be more or less inclined and their number can vary depending on the nature of the seeds to be handled.

L'invention est exposée ci-après plus en détails à l'aide de dessins représentant seulement un mode d'exécution, à titre d'exemple non limitatif. The invention is set out below in more detail with the aid of drawings representing only one embodiment, by way of non-limiting example.

La figure 1 représente succintement, en élévation, une perspective du ralentisseur de chute de graines de semence. Figure 1 shows briefly, in elevation, a perspective of the seed seed drop retarder.

La figure 2 représente une coupe partielle, selon l'axe
AA, de la partie supérieure du ralentisseur.Figure 2 shows a partial section along the axis
AA, from the top of the retarder.

La figure 3 représente, à une autre échelle, un palier fixé sur les deux bandes souples. Figure 3 shows, on another scale, a bearing fixed on the two flexible bands.

Les figures se rapportent à un ralentisseur de chute de graines de semence, comprenant une trémie 1 qui est munie d'un couvercle 2 pivotant sur des charnières 3, laquelle trémie porte en partie inférieure, sur deux côtés opposés des bandes 4 souples supportant des paliers 5 incurvés. La trémie 1 est maintenue suspendue sur l'ouverture supérieure 6 du silo, par l'appui d'un cadre 7 sur le pourtour 8 de ladite ouverture. The figures relate to a seed seed drop retarder, comprising a hopper 1 which is provided with a cover 2 pivoting on hinges 3, which hopper carries in the lower part, on two opposite sides, flexible bands 4 supporting bearings 5 curved. The hopper 1 is kept suspended on the upper opening 6 of the silo, by the support of a frame 7 on the periphery 8 of said opening.

Les bandes 4 sont fixées, par une de leur extrémité sur les faces intérieures des cotés latéraux de la trémie au moyen d'une entretoise 9 rectangulaire avec vis et boulons. The bands 4 are fixed by one of their ends to the inner faces of the lateral sides of the hopper by means of a rectangular spacer 9 with screws and bolts.

Les paliers 5 sont respectivement constitués d'une plaque 10 inclinée vers l'intérieur, laquelle plaque est fixée par ses deux côtés obliques, sur les bandes 4 opposées, avec des cornières 11 longitudinales qui épousent le profil incurvé des plaques 10. The bearings 5 consist respectively of a plate 10 inclined inwards, which plate is fixed by its two oblique sides, on the opposite strips 4, with longitudinal angles 11 which follow the curved profile of the plates 10.

Les cornières 11 sont de préférence fixées sur la face inférieure des plaques 10, par point de soudure, pour éviter de constituer des angles pouvant former des retenues de grains. The angles 11 are preferably fixed on the underside of the plates 10, by welding point, to avoid forming angles which can form grain retentions.

Les cornières 11 comportent des trous 12 permettant leur fixation, avec des boulons 13 et des vis 14, sur les bandes 4 souples qui peuvent entre en caoutchouc ou en une autre matière synthètique appropriée. The angles 11 have holes 12 allowing their fixing, with bolts 13 and screws 14, on the flexible bands 4 which can come in rubber or in another suitable synthetic material.

Les paliers 5 sont disposés sur toute la hauteur du ralentisseur, face à face et en quinconce, de telle manière que les grains soient ralentis dans leur chute à cadence régulière, sans passer par-dessus. En effet, le premier palier véhicule les grains sur le deuxième palier se trouvant sur un plan horizontal inférieur et ainsi jusqu'au dernier palier au bas du ralentisseur. The bearings 5 are arranged over the entire height of the retarder, face to face and staggered, so that the grains are slowed down in their fall at a regular rate, without passing over them. In fact, the first level conveys the grains on the second level located on a lower horizontal plane and thus up to the last level at the bottom of the retarder.

Comme on le comprendra très facilement, la vitesse du débit sera inversement proportionnelle à la longueur dés paliers 5. En effet, plus les paliers 5 seront courts et moins les grains seront retenus par conséquent plus grande rapidité de chute. As will be understood very easily, the speed of the flow will be inversely proportional to the length of the bearings 5. In fact, the shorter the bearings 5 and the less the grains will be retained consequently greater speed of fall.

Le ralentisseur objet de l'invention est plus particulièrement conçu pour le remplissage des silos de grains de semence, mais peut être utilisé pour la manipulation de tout autre grain.  The retarder object of the invention is more particularly designed for filling silos with seed grains, but can be used for handling any other grain.

Claims (6)

REVENDICATIONS 1) Ralentisseur de chute des graines de semence dans les silos de stockage, caractérisé en ce qu'il comprend une trémie (1) en partie supérieure, pourcanaliser le flux des graines à l'entrée du ralentisseur proprement dit, lequel ralentisseur comporte deux bandes (4) verticales et souples positionnées en vis- -vis et fixées par une de leurs extrémités à la trémie, lesquelles bandes portent des paliers (5) incurvés qui sont positionnés en quinconce, sur toute leur hauteur.1) Fall retarder for seed seeds in storage silos, characterized in that it comprises a hopper (1) in the upper part, to channel the flow of seeds at the inlet of the actual retarder, which retarder comprises two bands (4) vertical and flexible positioned vis-à-vis and fixed by one of their ends to the hopper, which bands carry curved bearings (5) which are positioned in staggered rows, over their entire height. 2) Dispositif selon la revendication 1, caractérisé en ce que les paliers (5) sont constitués d'une plaque inclinée vers l'intérieur. 2) Device according to claim 1, characterized in that the bearings (5) consist of a plate inclined inward. 3) Dispositif selon les revendications 1 et 2, caractérisé en ce que les paliers (5) sont fixes par leurs côtés inclinés sur les bandes (4) souples au moyen de cornières (11).3) Device according to claims 1 and 2, characterized in that the bearings (5) are fixed by their inclined sides on the strips (4) flexible by means of angles (11). 4) Dispositif selon les revendications 2 et 3, caractérisé en ce que les cornières (11) sont fixées sous les plaques (10) des paliers (5).4) Device according to claims 2 and 3, characterized in that the angles (11) are fixed under the plates (10) of the bearings (5). 5) Dispositif selon la revendication 1, caractérisé en ce que les paliers (5) peuvent être en nombre variable.5) Device according to claim 1, characterized in that the bearings (5) may be of variable number. 6) Dispositif selon la revendication 1, caractérisé en ce que les bandes (4) sont constituées avec une matière souple telle que: caoutchouc ou matière synthétique.  6) Device according to claim 1, characterized in that the strips (4) are made with a flexible material such as: rubber or synthetic material.
FR8714645A 1987-10-13 1987-10-13 SEEDLING FALL RETARDER IN STORAGE SILOS Expired - Lifetime FR2621447B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8714645A FR2621447B1 (en) 1987-10-13 1987-10-13 SEEDLING FALL RETARDER IN STORAGE SILOS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8714645A FR2621447B1 (en) 1987-10-13 1987-10-13 SEEDLING FALL RETARDER IN STORAGE SILOS

Publications (2)

Publication Number Publication Date
FR2621447A1 true FR2621447A1 (en) 1989-04-14
FR2621447B1 FR2621447B1 (en) 1990-12-07

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FR8714645A Expired - Lifetime FR2621447B1 (en) 1987-10-13 1987-10-13 SEEDLING FALL RETARDER IN STORAGE SILOS

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998047791A1 (en) * 1997-04-24 1998-10-29 Compagnie Generale Des Matieres Nucleaires Static device maintaining the homogeneity of a mixture of powders subjected to a gravity-induced flow
WO2000044488A1 (en) * 1999-01-28 2000-08-03 Total Raffinage Distribution S.A. Method and device for facilitating the filling of vertical tubes with the aid of a particulate material
CN104555161A (en) * 2014-12-24 2015-04-29 无锡市南长区科技创业服务中心 Coal bunker

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107640334A (en) * 2017-09-25 2018-01-30 江阴市意康包装制品有限公司 It is a kind of that there is the food plastic packing device for preventing breakage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1839712A (en) * 1930-09-27 1932-01-05 James A Sturtz Fruit and vegetable spout
US2693264A (en) * 1950-12-30 1954-11-02 Julius C Waterbury Fruit-picker's bag
FR2412478A1 (en) * 1977-12-22 1979-07-20 Grisnich Marius FALL SLOWING CHUTE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1839712A (en) * 1930-09-27 1932-01-05 James A Sturtz Fruit and vegetable spout
US2693264A (en) * 1950-12-30 1954-11-02 Julius C Waterbury Fruit-picker's bag
FR2412478A1 (en) * 1977-12-22 1979-07-20 Grisnich Marius FALL SLOWING CHUTE

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998047791A1 (en) * 1997-04-24 1998-10-29 Compagnie Generale Des Matieres Nucleaires Static device maintaining the homogeneity of a mixture of powders subjected to a gravity-induced flow
FR2762590A1 (en) * 1997-04-24 1998-10-30 Cogema STATIC DEVICE MAINTAINING THE HOMOGENEITY OF A MIXTURE OF POWDERS SUBJECT TO GRAVITY FLOW
US6478133B1 (en) 1997-04-24 2002-11-12 Compagnie Generale Des Matieres Nucleaires Static device maintaining the homogeneity of a mixture of powders subjected to a gravity-induced flow
WO2000044488A1 (en) * 1999-01-28 2000-08-03 Total Raffinage Distribution S.A. Method and device for facilitating the filling of vertical tubes with the aid of a particulate material
FR2789050A1 (en) * 1999-01-28 2000-08-04 Total Raffinage Distribution METHOD AND DEVICE FOR FACILITATING THE FILLING OF VERTICAL TUBES USING A PARTICULAR MATERIAL
CN104555161A (en) * 2014-12-24 2015-04-29 无锡市南长区科技创业服务中心 Coal bunker

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Publication number Publication date
FR2621447B1 (en) 1990-12-07

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