FR2604328A1 - Improvements to multi-drill seeders including as many seeding assemblies as there are rows to be seeded - Google Patents

Improvements to multi-drill seeders including as many seeding assemblies as there are rows to be seeded Download PDF

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Publication number
FR2604328A1
FR2604328A1 FR8613520A FR8613520A FR2604328A1 FR 2604328 A1 FR2604328 A1 FR 2604328A1 FR 8613520 A FR8613520 A FR 8613520A FR 8613520 A FR8613520 A FR 8613520A FR 2604328 A1 FR2604328 A1 FR 2604328A1
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FR
France
Prior art keywords
wheel
depth
ground
sower
shoe
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.)
Pending
Application number
FR8613520A
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French (fr)
Inventor
Francois Nicolas Damonneville
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.)
Lely France
Original Assignee
Lely France
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 Lely France filed Critical Lely France
Priority to FR8613520A priority Critical patent/FR2604328A1/en
Publication of FR2604328A1 publication Critical patent/FR2604328A1/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C5/00Making or covering furrows or holes for sowing, planting or manuring
    • A01C5/06Machines for making or covering drills or furrows for sowing or planting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C5/00Making or covering furrows or holes for sowing, planting or manuring
    • A01C5/06Machines for making or covering drills or furrows for sowing or planting
    • A01C5/062Devices for making drills or furrows
    • A01C5/064Devices for making drills or furrows with rotating tools

Abstract

Seeder of the type including at least one seeding assembly 1 made up of a hopper 6, a dispenser 7, a spout 8, a seeding drill 9 and at least one compacting wheel 10 articulated to a load-bearing chassis 2, and resting on the ground by means of a carrying wheel 4 fixed to the seeder assembly 1 by a leg 5 of adjustable length, the said carrying wheel 4 determining the sowing depth, characterised in that the said carrying wheel 4 is fitted, at its periphery, with a circular blade which cuts the ground, the clods and plant debris so as to make a cut in front of the lower end of the seeding drill 9, through which cut the latter passes.

Description

Perfectionnements aux semoirs multlrangs comportant autant d'ensembles semeurs que de rangs a semer
La présente invention a pour objet un perfectionnement aux semoirs multirangs du type comportant une plurlaité d'ensembles semeurs, chaque ensemble réalisant une rangée de semis.
Improvements to multi-row seeders with as many sowing units as rows to be sown
The present invention relates to an improvement to multirow seeders of the type comprising a plurality of sower units, each unit producing a row of seedlings.

Il est connu de réaliser de tels ensembles qui comportent : un réservoir de graines associé à un mécanisme de distribution de graines, qui envoie des graines, par une goulotte, vers un sabot qui s'enfonce dans la terre, ce sabot étant suivi de deux roues tasseuses, disposées en V qui referment sur les graines le sillon ouvert par le sabot. It is known to produce such assemblies which comprise: a seed tank associated with a seed distribution mechanism, which sends seeds, by a chute, to a shoe which sinks into the ground, this shoe being followed by two compacting wheels, arranged in a V which close the groove opened by the hoof on the seeds.

Dans certains semoirs, chaque ensemble est articulé à un chassis porteur par un axe horizontal et la profondeur à laquelle le sabot s'enfonce dans le sol, en donc la profondeur du semis, est déterminée par le réglage en hauteur des roues tasseuses. In certain seed drills, each assembly is articulated to a supporting frame by a horizontal axis and the depth to which the shoe sinks into the ground, hence the depth of the sowing, is determined by the height adjustment of the compacting wheels.

Les travaux de recherches récents ont fait apparaître que l'un des facteurs essentiels pour obtenir des rendements très élevés, était une très grande régularité, non seulement de la densité du semis, mais encore de la profondeur du semis. Or il s'avère que lorsque la surface du sol est mal préparée cottes, végétation), les roues tasseuses arrière se soulèvent et s'abaissent continuellement ce qui a pour résultat que la profondeur du semis est très irrégulière. Recent research has shown that one of the essential factors for obtaining very high yields is very regularity, not only in the density of the seed, but also in the depth of the seed. However, it turns out that when the soil surface is poorly prepared (hills, vegetation), the rear compacting wheels are raised and lowered continuously, which results in the seed depth being very irregular.

Pour corriger ce défaut, on a proposé d'articuler chaque ensemble-semoir au châssis par l'intermédiaire d'un parallélogramme déformable, qui repose sur le sol par l'intermédiaire d'une roue d'appui, les roues tasseuses n'ayant plus pour fonction de déterminer la profondeur du semis, mais uniquement pour fonction de refermer le sillon creusé par le sabot et de tasser la terre. La roue de réglage de profondeur étant très voisine de la fixation du parallélogramme déformable au chassis, le bras de levier du poids de l'ensemble-semeur agissant sur la roue de réglage de profondeur est très important et celle-ci écrase les irrégularités de surface. Cette disposition a considérablement amélioré la régularité de la profondeur du semis, d'autant plus lorsque le sabot semeur est très proche de la roue avant déterminant la profondeur du semis.Cependant, il arrive de plus en plus souvent que les semis soient réalisés sur des champs qui n'ont pas été labourés, mais dont le sol a été fractionné en profondeur par un passage au chisel, suivi ou non d'un discage ; de sorte que la surface du champ est encombrée de débris végétaux et de mottes plus ou moins importantes. Dans ce cas, il se produit au niveau de sabot semeur une accumulation de végétaux de sorte que le sabot s'enfonce mal et risque même de se soulever complètement . De même lorsque la terre est très dure, il arrive que le sabot n'arrive pas à s'enfoncer dans le sol de la profondeur désirée. To correct this defect, it has been proposed to articulate each seed drill assembly to the chassis by means of a deformable parallelogram, which rests on the ground by means of a support wheel, the compacting wheels having no more for the function of determining the sowing depth, but only for the function of closing the furrow dug by the hoof and packing the soil. The depth adjustment wheel being very close to the fixing of the deformable parallelogram to the chassis, the lever arm of the weight of the sower unit acting on the depth adjustment wheel is very important and this crushes surface irregularities . This arrangement has considerably improved the regularity of the sowing depth, all the more when the sowing shoe is very close to the front wheel determining the sowing depth. However, it is more and more often that sowing is carried out on fields that have not been plowed, but whose soil has been broken up in depth by a chisel passage, whether or not followed by discage; so that the surface of the field is cluttered with plant debris and more or less clods. In this case, an accumulation of plants takes place at the level of the sower hoof so that the hoof sinks badly and even risks lifting completely. Likewise when the ground is very hard, it sometimes happens that the hoof does not manage to sink into the ground of the desired depth.

La présente invention a pour objet de pallier cet inconvénient et concerne un semoir comportant au moins un ensemble-semeur articulé à un châssis porteur au moyen d'un parallélogramme déformable, porté par une roue porteuse réglable qui détermine la profondeur du semis , caractérisé par le fait que ladite roue porteuse est munie d'un disque coaxial tranchant, de faible épaisseur, qui pénètre dans le sol en tranchant la terre,les mottes et les débris végétaux sur une profondeur correspondant pratiquement ou étant légèrement supérieure à celle dont le sabot de l'ensemble-semeur doit pénétrer dans le sol. The object of the present invention is to overcome this drawback and relates to a seed drill comprising at least one sower unit articulated to a carrying frame by means of a deformable parallelogram, carried by an adjustable carrying wheel which determines the depth of the sowing, characterized by the the fact that said load-bearing wheel is provided with a thin coaxial cutting disc which penetrates into the ground by cutting the soil, clods and plant debris to a depth corresponding practically or being slightly greater than that of which the shoe of the The sower unit must penetrate the soil.

A titre d'exemple non limitatif et pour faciliter la compréhension de l'invention, on a représenté aux dessins annexés
Figure 1, une vue schématique en élévation latérale d'un ensemble-semeur selon la présente invention
Figure 2, une vue de détail å grande échelle montrant la roue de réglage de profondeur munie de son disque de tranchage
Figure 3, une vue de face de la roue de ia figure 2.
By way of nonlimiting example and to facilitate understanding of the invention, there is shown in the accompanying drawings
Figure 1, a schematic side elevational view of a sower assembly according to the present invention
Figure 2, a large-scale detail view showing the depth adjustment wheel provided with its cutting disc
Figure 3, a front view of the wheel of Figure 2.

En se reportant à ces figures, on voit que comme cela est connu, }'ensemble-semeur 1 est articuie à un chassis 2 par un parallélogramme déformable 3, qui est lui-meme porté par une roue 4 au moyen d'une jambe 5 de longueur réglable. L'ensemble-semeur 1 comporte, comme cela est connu : une trémie 6 pour recevoir les graines, un mécanisme distributeur 7 ; une goulotte 8 par laquelle les semences tombent dans un sabot-semeur 9, dont l'extrémité inférieure s'enfonce dans le sol et des roues tasseuses îe portées par un bras 11.La pression exercée sur le sol par les roues tasseuses 10 est réglée par des ressorts (non représentés).Il en résulte qu'une très faible partie du poids de l'ensemble-semeur 1 est porté par les roues tasseuses 1, mais que pour l'essentiel ce poids est supporté par la roue 4 qui appuie sur le sol avec une force d'autant plus grande qu'elle est près du châssis 2. Referring to these figures, it can be seen that, as is known, the sower unit 1 is articulated to a frame 2 by a deformable parallelogram 3, which is itself carried by a wheel 4 by means of a leg 5 adjustable length. The sower assembly 1 comprises, as is known: a hopper 6 for receiving the seeds, a distributor mechanism 7; a chute 8 through which the seeds fall into a sower shoe 9, the lower end of which sinks into the ground and compacting wheels carried by an arm 11. The pressure exerted on the ground by the compacting wheels 10 is adjusted by springs (not shown). It follows that a very small part of the weight of the sower unit 1 is carried by the compacting wheels 1, but that essentially this weight is supported by the wheel 4 which supports on the ground with a force all the greater as it is near the chassis 2.

Selon l'invention, la roue porteuse 4 est munie à sa périphérie d'une lame circulaire 12 qui forme un disque coaxial à la roue 4. Comme cela est représenté à la figure 3, la largeur "l" de la roue 4 est telle que celle-ci ne s'enfonce pas dans le sol ; tandis que la lame 12 s'enfonce elle complètement en tranchant la terre et/ou les débris végétaux. According to the invention, the carrying wheel 4 is provided at its periphery with a circular blade 12 which forms a disc coaxial with the wheel 4. As shown in FIG. 3, the width "l" of the wheel 4 is such that it does not sink into the ground; while the blade 12 sinks completely by cutting the soil and / or plant debris.

La roue 4 et sa lame périphérique 12 sont disposées de façon telle que la lame 12 soit exactement dans le meme plan vertical que le sabot 9 de façon que ce dernier passe dans la découpe réalisée par la lame 12. The wheel 4 and its peripheral blade 12 are arranged in such a way that the blade 12 is exactly in the same vertical plane as the shoe 9 so that the latter passes through the cut made by the blade 12.

De préférence, comme cela est représenté, la lame 12 a une largeur "e", dans le sens radial, sensiblement égale ou légèrement supérieure à la profondeur à laquelle le sabot 9 s'enfonce dans le sol. Preferably, as shown, the blade 12 has a width "e", in the radial direction, substantially equal to or slightly greater than the depth at which the shoe 9 sinks into the ground.

Selon une variante , non représentée, la lame ou disque annulaire 12 est fixé à la roue 4 de façon démontable de façon que si l'on modifie la profondeur du semis, par exemple pour avoir une profondeur plus importante, on puisse adapter à la roue 4 une lame circulaire 12 ayant une largeur "e" correspondante (diamètre extérieur).  According to a variant, not shown, the blade or annular disc 12 is fixed to the wheel 4 in a removable manner so that if the depth of the seed is changed, for example to have a greater depth, it is possible to adapt to the wheel 4 a circular blade 12 having a corresponding width "e" (outside diameter).

Claims (3)

RevendicationsClaims 1. Semoir du type comportant au moins un ensemble-semeur (i) constitué par une tremie (6), un distributeur (7), une goulotte (8), un sabot-semeur (9) et au moins une roue tasseuse (1) articulée à un châssis porteur (2) et reposant sur le sol par l'intermédiaire d'une roue porteuse (4) fixée à l'ensemble-semeur (1) par une jambe (5) de longueur réglable, ladite roue porteuse (4) déterminant la profondeur du semis, caractérisé par le fait que ladite roue porteuse (4) est munie à sa périphérie d'une lame circulaire (12) qui tranche le sol, les mottes et les débris végétaux de façon à réaliser en avant de l'extrémité inférieure du sabot-semeur (9) une découpe dans laquelle passe ce dernier. 1. Seeder of the type comprising at least one sower assembly (i) constituted by a hopper (6), a distributor (7), a chute (8), a sower shoe (9) and at least one compacting wheel (1 ) articulated to a carrying frame (2) and resting on the ground by means of a carrying wheel (4) fixed to the sower unit (1) by a leg (5) of adjustable length, said carrying wheel ( 4) determining the depth of the sowing, characterized in that said carrying wheel (4) is provided at its periphery with a circular blade (12) which cuts through the soil, clods and plant debris so as to produce in front of the lower end of the sower shoe (9) a cutout through which the latter passes. 2. Semoir selon la revendication 1, dans lequel la largeur radiale "e" de la lame (12) est sensiblement égale ou légèrement supérieure à la profondeur à laquelle le sabot (9) s'enfonce dans le sol. 2. Seeder according to claim 1, wherein the radial width "e" of the blade (12) is substantially equal to or slightly greater than the depth at which the shoe (9) sinks into the ground. 3. Semoir selon la revendication 1 ou 2, dans lequel la lame annulaire (12) est montée sur la roue de façon amovible de manière à pouvoir être changée quand on veut changer la profondeur du semis  3. Seeder according to claim 1 or 2, wherein the annular blade (12) is removably mounted on the wheel so that it can be changed when one wants to change the depth of the seed
FR8613520A 1986-09-29 1986-09-29 Improvements to multi-drill seeders including as many seeding assemblies as there are rows to be seeded Pending FR2604328A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8613520A FR2604328A1 (en) 1986-09-29 1986-09-29 Improvements to multi-drill seeders including as many seeding assemblies as there are rows to be seeded

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8613520A FR2604328A1 (en) 1986-09-29 1986-09-29 Improvements to multi-drill seeders including as many seeding assemblies as there are rows to be seeded

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FR2604328A1 true FR2604328A1 (en) 1988-04-01

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FR8613520A Pending FR2604328A1 (en) 1986-09-29 1986-09-29 Improvements to multi-drill seeders including as many seeding assemblies as there are rows to be seeded

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258626A (en) * 1940-07-31 1941-10-14 Philip W R Satrom Packer rim attachment for seeder disks
US3797418A (en) * 1972-02-22 1974-03-19 F Bridger Minimum tillage planter
FR2446587A1 (en) * 1979-01-16 1980-08-14 Baker Christopher Seed sowing coulter implement - has detachable coulter part with sharp leading edge in contact with vertical cutting disc
US4408551A (en) * 1981-09-14 1983-10-11 Heath Farm Equipment Row planter
US4550122A (en) * 1983-07-18 1985-10-29 Fleischer Manufacturing, Inc. Attachment for removing residue in front of a planter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258626A (en) * 1940-07-31 1941-10-14 Philip W R Satrom Packer rim attachment for seeder disks
US3797418A (en) * 1972-02-22 1974-03-19 F Bridger Minimum tillage planter
FR2446587A1 (en) * 1979-01-16 1980-08-14 Baker Christopher Seed sowing coulter implement - has detachable coulter part with sharp leading edge in contact with vertical cutting disc
US4408551A (en) * 1981-09-14 1983-10-11 Heath Farm Equipment Row planter
US4550122A (en) * 1983-07-18 1985-10-29 Fleischer Manufacturing, Inc. Attachment for removing residue in front of a planter

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