FR2783395A1 - Steering system for machine designed to collect fallen fruit, has rear wheels steerable and connected together by connecting rod, which is controlled by hydraulic jack - Google Patents

Steering system for machine designed to collect fallen fruit, has rear wheels steerable and connected together by connecting rod, which is controlled by hydraulic jack Download PDF

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Publication number
FR2783395A1
FR2783395A1 FR9811831A FR9811831A FR2783395A1 FR 2783395 A1 FR2783395 A1 FR 2783395A1 FR 9811831 A FR9811831 A FR 9811831A FR 9811831 A FR9811831 A FR 9811831A FR 2783395 A1 FR2783395 A1 FR 2783395A1
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Prior art keywords
connecting rod
wheels
controlled
machine
wheel
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FR9811831A
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French (fr)
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FR2783395B1 (en
Inventor
Olivier Raymond Rober Alloteau
Antoinette Helene Leone Savary
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Individual
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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D51/00Apparatus for gathering together crops spread on the soil, e.g. apples, beets, nuts, potatoes, cotton, cane sugar
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B69/00Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track
    • A01B69/007Steering or guiding of agricultural vehicles, e.g. steering of the tractor to keep the plough in the furrow

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Guiding Agricultural Machines (AREA)

Abstract

The steering device consists of the front left wheel (1), which is non steerable and two rear steerable wheels (2 and 3), which are carried on pivots (7 and 8). The two wheels are linked together by a connecting rod (6), which is controlled by a hydraulic jack (5)

Description

La présente invention a pour objet un dispositif de braquage de roues surThe present invention relates to a device for steering wheels on

une machine à ramasser -es fruits tombés au sol en vue d'une transformation aiimentaire, destiné à permettre au ramasseur de ladite machine de pouvoir travailser en tournant autour du pied de l'arbre. Un dispositif de braquage connu consiste à orienter les  a machine for collecting fruit fallen to the ground for food processing, intended to allow the collector of said machine to be able to work by turning around the base of the tree. A known turning device consists in orienting the

quatre roues directrices d'une machine à ramasser les fruits.  four-wheel steering of a fruit picking machine.

Toutefois, l'angle de braquage, résultant de l'orientation des deux roues intérieures, ne permet pas d'obtenir un rayon de braquage suffisamment court pour que, son ramasseur situé à l'avant des quatre roues évolue en  However, the steering angle, resulting from the orientation of the two inner wheels, does not make it possible to obtain a turning radius short enough for its pickup located at the front of the four wheels to evolve.

tournant au pied de l'arbre.turning at the foot of the tree.

Un autre dispositif de braquage comporte à l'arrière de la machine à ramasser les fruits une roue directrice centrale qui forme avec l'axe des deux roues avant, non -orientables,  Another turning device comprises at the rear of the fruit picking machine a central steering wheel which forms with the axis of the two front wheels, which are not steerable,

un petit rayon de braquage.a small turning radius.

Toutefois ce dispositif de braquage sur cette machine ne permet pas au ramasseur situé en avant des roues de travailler la zone de fruits tombés en tournant à proximité du pied de l'arbre. De plus la disposition du ramasseur par rapport aux roues de la machine pose également le problème de suivi du sol. En effet, les roues évoluants sur du terrain agricole engendrent au ramasseur des différences de niveau, soit une hauteur variable entre ledit ramasseur par rapport  However, this turning device on this machine does not allow the picker located in front of the wheels to work the area of fallen fruit while turning near the base of the tree. In addition, the arrangement of the pickup relative to the wheels of the machine also poses the problem of following the ground. Indeed, the wheels moving on agricultural land generate differences in level for the collector, that is to say a variable height between said collector with respect to

au sol.on the ground.

Un dispositif également connu sur une machine à ramasser les fruits est constitué en côté d'une roue avant, directrice et, à l'arrière, de deux roues non-orientables. Pour parcourir le tour d'un arbre avec ce dispositif, le centre du rayon de braquage passant par l'axe des deux roues arrières, doit être confondu avec le centre du diamètre représentant le  A device also known on a fruit picking machine consists of a front steering wheel and, at the rear, two non-steerable wheels. To travel around a tree with this device, the center of the turning radius passing through the axis of the two rear wheels must be confused with the center of the diameter representing the

pied de l'arbre.foot of the tree.

Toutefois, le ramasseur est placé transversalement à la machine, entre la roue avant et les deux roues arrières et,  However, the pickup is placed transversely to the machine, between the front wheel and the two rear wheels and,

travaille de biais ne pouvant utiliser toute sa longueur.  working at an angle that cannot use its entire length.

Un autre dispositif braque les deux roues d'une mach'ne à  Another device steers two wheels of a machine

ramasser les fruits, tirée par un tracteur.  picking up the fruit, pulled by a tractor.

Toutefois ce dispositif n'est pas destiné à permettre au ramasseur de cette machine, d'approcher les arbres, mais à tourner en bout des andains de fruits. La présente invention a pour but de remédier aux inconvénients des dispositifs connus sur les machines à ramasser ies fruits en proposant, un dispositif de braquage destiné à permettre au ramasseur de pouvoir travailler à la fois, de front sur toute la longueur, en tournant autour du pied de l'arbre et en se maintenant d'une hauteur constante  However, this device is not intended to allow the picker of this machine to approach the trees, but to turn the end of the fruit swaths. The object of the present invention is to remedy the drawbacks of the known devices on fruit picking machines by proposing a turning device intended to allow the picker to be able to work simultaneously, head-on over the entire length, by turning around the foot of the tree and keeping a constant height

par rapport au sol.relative to the ground.

Pour se faire, le dispositif de braquage comporte par rapport à la machine, une roue avant gauche, non orientable et, deux roues arrières, directrices dont celle de gauche est à la fois plus en arrière que celle de droite et, plus à  To do this, the turning device comprises with respect to the machine, a front left wheel, not steerable and, two rear wheels, steered, the left one of which is both further back than the right one and, more

gauche que la roue avant de manière à accroitre La stabilité.  left as the front wheel so as to increase stability.

Ce dispositif permet de disposer en côté de la roue avant un ramasseur de sorte que de profil le centre du diamètre dudit ramasseur et le centre du diamètre de la roue avant se  This device makes it possible to have a pick-up side of the front wheel so that in profile the center of the diameter of said pick-up and the center of the diameter of the front wheel are

trouvent alignés sur un même axe perpendiculaire au sol.  are aligned on the same axis perpendicular to the ground.

Selon une autre caractéristique de ce dispositif de braquage, lorsque le ramasseur tourne autour du pied de l'arbre, le rayon décrit par la roue avant est confondu au rayon de la roue arrière droite, évitant ainsi de trop  According to another characteristic of this turning device, when the pickup rotates around the base of the shaft, the radius described by the front wheel is coincident with the radius of the right rear wheel, thus avoiding too much

marquer le terrain.mark the field.

Selon un mode préférentiel le dispositif de braquage vu de dessus permet au ramasseur de pouvoir travailler en  According to a preferred mode, the turning device seen from above allows the collector to be able to work in

tournant au pied de l'arbre dans le sens horaire.  turning at the foot of the tree clockwise.

Symétriquement la présente invention tient compte d'un  Symmetrically, the present invention allows for a

dispositif tournant dans le sens anti-horaire.  device rotating counterclockwise.

Les dessins annexés illustrent l'invention: La figure 1 représente une vue de dessus du dispositif de braquage; La figure 2 représente de profil, le dispost-if selon l'invention. En référence à ces dessins, le dispositif comporte par rapport à la machine, une roue avant gauche [-} non S orientable et deux roues directrices dont une roue arrière gauche (2), articulée par un pivot (8), située plus en arrière que la roue arriere droite (3), articuilée par un  The accompanying drawings illustrate the invention: Figure 1 shows a top view of the turning device; Figure 2 shows in profile, the dispost-if according to the invention. With reference to these drawings, the device comprises with respect to the machine, a left front wheel [-} non S steerable and two steered wheels including a left rear wheel (2), articulated by a pivot (8), located further back that the right rear wheel (3), articulated by a

pivot (9) et, plus à gauche que la roue avant (. i-  pivot (9) and, more to the left than the front wheel (. i-

comporte également un ramasseur (4) situé en côté de ia roue avant, de telle sorte que le centre du diamètre dudit ramasseur (4) et le centre de la roue avant (1), se trouvent alignés sur un même axe perpendiculaire au sol. L'orientation des roues directrices se réalise par la commande d'un vérin  also includes a pickup (4) located next to the front wheel, so that the center of the diameter of said pickup (4) and the center of the front wheel (1) are aligned on the same axis perpendicular to the ground. The steering wheels are oriented by controlling a cylinder

hydraulique (5), qui lui-même agit sur la bielle (6).  hydraulic (5), which itself acts on the connecting rod (6).

Le dispositif selon l'invention est particulièrement destiné à permettre au ramasseur de machines à ramasser les fruits de pouvoir travailler en tournant autour du pied de l'arbre.  The device according to the invention is particularly intended to allow the picker of fruit picking machines to be able to work by turning around the base of the tree.

Claims (4)

REVENDICATIONS -) Dispositif de braquage de roues sur une machine à ramasser les fruits tombés au sol en vue d'une transformation ailmentaire, destiné à permettre au ramasseur (4) de ladite mach.ine de pouvoir travailler en tournant autour du pied de L'arbre, caractérisé en ce qu'il comprend une roue avant gauche (1) non orientable et deux roues arrires d-rectrices (2) et (3) articulées respectivement par les pivots (7) et (8), eux- mêmes reliés par une bielle 6) commandée par un  -) Device for turning wheels on a machine for picking up fruit fallen on the ground for food processing, intended to allow the picker (4) of said machine to be able to work by turning around the base of the tree , characterized in that it comprises a non-steerable front left wheel (1) and two straight rear wheels (2) and (3) articulated respectively by the pivots (7) and (8), themselves connected by a connecting rod 6) controlled by a verin hydraulique (5).hydraulic cylinder (5). 2) Dispositif selon la revendication 1 caractérisé en ce que le ramasseur (4) travaille de front sur toute sa longueur.  2) Device according to claim 1 characterized in that the pickup (4) works head-on over its entire length. 3) Dispositif selon la revendication 1 caractérisé en ce que le ramasseur (4) se maintient d'une hauteur de travail3) Device according to claim 1 characterized in that the pickup (4) maintains a working height constante par rapport au sol.constant with respect to the ground. 4) Dispositif selon la revendication i caractérisé en ce que a roue arrière gauche (2) se situe plus en arrière que  4) Device according to claim i characterized in that a left rear wheel (2) is located further back than cel!e de droite (3) et plus à gauche que la roue avant (1).  right! (3) and more left than the front wheel (1). ) Dispositif selon la revendication 1 caractérisé en ce que le rayon décrit par la roue avant (1-) est confondu au  ) Device according to claim 1 characterized in that the radius described by the front wheel (1-) is identical to the rayon de la roue arrière droite (3).  radius of the right rear wheel (3).
FR9811831A 1998-09-18 1998-09-18 DEVICE FOR STEERING WHEELS ON A MACHINE FOR PICKING UP FRUITS DROPPED ON THE GROUND Expired - Fee Related FR2783395B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9811831A FR2783395B1 (en) 1998-09-18 1998-09-18 DEVICE FOR STEERING WHEELS ON A MACHINE FOR PICKING UP FRUITS DROPPED ON THE GROUND

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9811831A FR2783395B1 (en) 1998-09-18 1998-09-18 DEVICE FOR STEERING WHEELS ON A MACHINE FOR PICKING UP FRUITS DROPPED ON THE GROUND

Publications (2)

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FR2783395A1 true FR2783395A1 (en) 2000-03-24
FR2783395B1 FR2783395B1 (en) 2001-02-16

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FR9811831A Expired - Fee Related FR2783395B1 (en) 1998-09-18 1998-09-18 DEVICE FOR STEERING WHEELS ON A MACHINE FOR PICKING UP FRUITS DROPPED ON THE GROUND

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE928856C (en) * 1949-03-11 1955-06-13 Walter Hofmann Two-axle tractor of the device carrier type, which consists of two articulated chassis parts
US3531004A (en) * 1965-10-22 1970-09-29 Int Harvester Co Crop harvester having removable crop container
US3789592A (en) * 1971-10-12 1974-02-05 Wichita Eng Co Inc Pecan harvesting machine
FR2587874A1 (en) * 1985-09-27 1987-04-03 Defrancq Hubert Device for automatically guiding a machine capable of moving on the ground, particularly an agricultural machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE928856C (en) * 1949-03-11 1955-06-13 Walter Hofmann Two-axle tractor of the device carrier type, which consists of two articulated chassis parts
US3531004A (en) * 1965-10-22 1970-09-29 Int Harvester Co Crop harvester having removable crop container
US3789592A (en) * 1971-10-12 1974-02-05 Wichita Eng Co Inc Pecan harvesting machine
FR2587874A1 (en) * 1985-09-27 1987-04-03 Defrancq Hubert Device for automatically guiding a machine capable of moving on the ground, particularly an agricultural machine

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FR2783395B1 (en) 2001-02-16

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