WO2014019586A1 - Jardinière de pomme de terre et procédé de diminution de la largeur d'une jardinière de pomme de terre - Google Patents

Jardinière de pomme de terre et procédé de diminution de la largeur d'une jardinière de pomme de terre Download PDF

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Publication number
WO2014019586A1
WO2014019586A1 PCT/DK2012/050284 DK2012050284W WO2014019586A1 WO 2014019586 A1 WO2014019586 A1 WO 2014019586A1 DK 2012050284 W DK2012050284 W DK 2012050284W WO 2014019586 A1 WO2014019586 A1 WO 2014019586A1
Authority
WO
WIPO (PCT)
Prior art keywords
potato
planter
potato planter
toolbar
outer parts
Prior art date
Application number
PCT/DK2012/050284
Other languages
English (en)
Inventor
Henning THYBO
Original Assignee
Thybo Maskinudvikling
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 Thybo Maskinudvikling filed Critical Thybo Maskinudvikling
Priority to PCT/DK2012/050284 priority Critical patent/WO2014019586A1/fr
Publication of WO2014019586A1 publication Critical patent/WO2014019586A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B73/00—Means or arrangements to facilitate transportation of agricultural machines or implements, e.g. folding frames to reduce overall width
    • A01B73/02—Folding frames
    • A01B73/06—Folding frames foldable about a vertical axis
    • A01B73/067—Folding frames foldable about a vertical axis to a position essentially rearward of the axis, in relation to the direction of travel
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C9/00—Potato planters

Definitions

  • the invention relates to a potato planter comprising a seed potato container and a potato planter toolbar including a plurality of planting units and a method for reducing the width of a potato planter comprising a potato planter toolbar arranged in front of a seed potato container.
  • potatoes are usually planted with an average distance of up to 800 mm there is a natural limit to how many rows the potato planter can plant at the same time without having to take special measures to be able to transport the potato planter on public roads in most parts of the world.
  • An object of the invention is therefore to provide for an advantageous potato planter design regarding space consumption and functionality and a method of reducing the width of a potato planter.
  • the invention provides for a potato planter comprising a seed potato container and a potato planter toolbar including a plurality of planting units, wherein the toolbar is arranged transversely in front of the seed potato container in relation to the direction of travel during potato planting.
  • An outer part of both sides of the toolbar is pivotally connected to a fixed centre part of the toolbar by means of a pivotal joint of the toolbar, so that the outer parts can be rotated between a work position - where the outer parts are arranged substantially transverse to the direction of travel - and a transport position - where the outer parts are arranged substantially parallel to the direction of travel - alongside the seed potato container.
  • the potato planter further comprises outer part displacing means for displacing the outer parts substantially linearly in a direction substantially transverse to the direction of travel.
  • Arranging the toolbar in front of the seed potato container is advantageous in that it provides for an advantageous weight distribution and since the outer parts of the toolbars is folded in under/alongside the seed potato container this arrangement also provides for a very compact design. Furthermore, arranging the toolbar in front of the seed potato container is advantageous in that it provides the operator of the vehicle with a better overview of the potato planter toolbar during planting hereby increasing the chance of detecting errors and failures fast and reducing the need for cameras and other kind of surveillance.
  • the term "alongside said seed potato container” does in this context mean that the outer parts are rotated back - opposite the direction of travel during potato planting i.e. in the direction of the seed potato container - when the outer parts are in the transport position, so that the outer parts extends along at least part of the side of the seed potato container.
  • a rotatable joint is arranged between each of said pivotal joints and said outer parts, wherein said rotatable joints have a rotational axis substantially parallel with said direction of travel at least when said outer parts are in said work position.
  • the present invention is particularly advantageous the wider the planter gets i.e. if the planter is ten, twelve or more rows wide, but when the planter is so wide it is also very sensitive to level differences across the width of the toolbar.
  • This problem could be solved by individually suspending the planting units to allow them to individually travel up and down, but such a suspension arrangement is complex and expensive. It is therefore advantageous to arrange the outer parts so that they are connected to the centre part through rotatable joints allowing that the outer parts may rotate around a rotational axis substantially parallel with the direction of travel during planting, hereby ensuring that the outer parts themselves can adjust their vertical position in relation to the centre part in accordance with level differences of the underlying ground.
  • the side areas of the bottom of said seed potato container is sloping downwards towards a middle area of said bottom.
  • bottom of the seed potato container incline from the sides and down towards a middle area is advantageous in that it allows gravity to help leading the seed potatoes towards a discharge arrangement at the middle area. Furthermore, this bottom design allows for a compact planter design in that the sloping bottom ensures that the outer parts can be moved at least partly in under the elevated bottom at the sides of the container when the outer parts are in transport position.
  • said fixed centre part is provided with an upper frame and wherein said outer parts are suspended by stay means extending between said upper frame and said outer parts.
  • the potato planter according to the present invention will become so wide that it is advantageous to suspend the outer parts by stay means instead of e.g. a main girder or the like.
  • stay means are the least complex way of suspending the outer parts.
  • said upper frame is provided with upper frame displacing means for displacing said stay means substantially in accordance with said outer part displacing means.
  • the stay means can do likewise to reduce the width of the planter during transport and to ensure proper suspension no matter which position the outer parts are in.
  • said stay means comprises a length adjusting linear actuator for adjusting the length of said stay means.
  • Providing the stay means with a length adjusting linear actuator is advantageous in that it hereby is possible to adjust the ground clearance of the outer parts both during use but particularly also when the outer parts are in transport position.
  • said potato planter is provided with seed potato moving means for feeding said seed potatoes from said seed potato container to said planting units.
  • said potato moving means comprises container conveyer means arranged at a middle area of the bottom of said seed potato container and wherein said potato moving means further comprises toolbar conveyer means for conveying said seed potatoes from said container conveyer means to said planting units.
  • Providing the seed potato container with container conveyer means at the bottom and providing the toolbar with toolbar conveyer means is advantageous in that is allows for a precise and controlled feeding of seed potatoes from the container to the planting units.
  • At least one wheel pair of said potato planter is steerable. Even though the present potato planter design is compact, the total length of the planter is still relatively long and since the planter cannot start planting potatoes until all the planting units are aligned with the neighbouring rows, it is advantageous to make at least one wheel pair - of a potato planter according to the present invention - steerable so that this long vehicle may more easily negotiate a turn at the headland of a field.
  • said centre part comprises four or more planting units. Since the total width of the potato planter in this case is more or less determined by the width of the centre part it is advantageous that the centre part is as wide as possible and still allowing for ordinary road transport. Since the average distance between rows in a potato field is around 82 cm it is advantageous to provide the centre part with at least four planting units.
  • said outer parts each comprises four or more planting units.
  • the outer parts comprise too few planting units the total width of the potato planter during use is too little hereby reducing its functionality and if the outer parts comprise too many planting units the total length of the potato planter will become so long that it will be difficult to manage on roads and on smaller fields.
  • planting units are mounted in a vertically fixed position on said toolbar.
  • said outer part displacing means comprises a slide being guided by guide means.
  • Providing the displacing means with a dedicated slide and guide means is advantageous in that it provides for a more precise and controlled linear movement of the outer parts.
  • said pivotal joint is connected to said slide. Placing the pivotal joint on the slide is advantageous in that by moving the pivotal joint in and out the entire outer part will follow hereby providing a simple and inexpensive translocation.
  • said outer part displacing means comprises a displacing linear actuator extending between said centre part and said slide arranged for displacing said outer part substantially linearly in said direction substantially transverse to said direction of travel.
  • said outer parts are rotated between said work position and said transport position by means of a rotation linear actuator extending between said slide and said outer part.
  • said potato planter comprises connection means for connecting said potato planter to a vehicle pulling said potato planter ahead during potato planting and wherein said connection means is connected to said potato planter toolbar through a transverse joint enabling that the lengthwise angle between said connection means and said toolbar can be adjusted in a vertical plane.
  • Providing the toolbar with a transverse joint that enables that the lengthwise angle between the connection means and the toolbar can be adjusted is advantageous in that it hereby in a simple manner is possible to adjust the ground clearance of the toolbar e.g. to ensure that the planting units are lifted off the ground during transport.
  • said lengthwise angle is adjusted by means of an angle linear actuator extending between said connection means and said potato planter toolbar.
  • one or more of said linear actuators are hydraulic cylinders.
  • said potato planter toolbar comprises locking means for locking said outer parts in said working position.
  • the invention further provides for a method for reducing the width of a potato planter comprising a potato planter toolbar arranged in front of a seed potato container.
  • the method comprises the steps of ⁇ rotating outer parts of the toolbar from a position substantially parallel with the lengthwise extent of a centre part of the toolbar to a position substantially perpendicular with the lengthwise extend in a direction towards the seed potato container, and
  • First rotating the outer parts backwards towards the container and then linearly displacing them inwards towards the container is advantageous in that it enables that even a very wide toolbar - i.e. a toolbar capable of planting many rows of potatoes simultaneously, such as ten, twelve, thirteen or more rows - can be transported on normal roads in that the outer part in this way can be arranged alongside the container during transport.
  • said outer parts are linearly displaced substantially until said width is defined by the width of said centre part.
  • said method is a method for reducing the width of a potato planter according to any of the previously mentioned potato planters.
  • FIG. 3 illustrates a potato planter with the outer parts folded back, as seen from above
  • fig. 4 illustrates a potato planter with the outer parts in transport position, as seen from above
  • fig. 5 illustrates a potato planter with the outer parts in transport position, as seen from the side
  • fig. 6 illustrates a cross section down through the middle of a seed potato container, as seen from the front.
  • Fig. 1 illustrates a tractor 26 pulling a fully expanded potato planter 1 according to the present invention.
  • connection means 25 for connecting the potato planter 1 to a vehicle 26 pulling said potato planter 1 ahead during potato planting.
  • the potato planter 1 could be self-propelled and thusly not equipped with connection means 25.
  • the potato planter 1 comprises a seed potato container 2 arranged at the back of the planter 1. Between the vehicle 26 pulling and the container 2, the planter 1 is provided with a potato planter toolbar 3.
  • the toolbar 3 comprises a fixed centre part 6 provided with rotatable and displaceable outer parts
  • the centre part 6 is provided with four planting units 4 each capable of planting a row of potatoes as the planter 1 moves forward (i.e. in the direction of the tractor 26) across the potato field and each of the outer parts 5 are provided with four planting units 4.
  • the center part is provided with four planting units 4 each capable of planting a row of potatoes as the planter 1 moves forward (i.e. in the direction of the tractor 26) across the potato field and each of the outer parts 5 are provided with four planting units 4.
  • the center part is provided with four planting units 4 each capable of planting a row of potatoes as the planter 1 moves forward (i.e. in the direction of the tractor 26) across the potato field and each of the outer parts 5 are provided with four planting units 4.
  • the center part is provided with four planting units 4 each capable of planting a row of potatoes as the planter 1 moves forward (i.e. in the direction of the tractor 26) across the potato field and each of the outer parts 5 are provided with four planting units 4.
  • the center part is provided with four planting units 4 each capable of planting a row
  • the outer parts 5 could comprise another number of planting units 4 such as two, three, five, six, seven, eight or more and the outer parts 5 could comprise another number of planting units 4 such as two, three, five or more.
  • the potato planter toolbar 3 is currently arranged in work position, where the outer parts 5 are arranged substantially transverse to the direction of travel during potato planting i.e. the outer parts 5 are arranged to be substantially parallel and end to end with the lengthwise extent of the centre part 6 of the toolbar 3.
  • the toolbar 3 is provided with locking means 29 fixating the outer parts 5 position in relation with the centre part 6.
  • the locking means 29 are powered by a hydraulic cylinder (not shown) but in another embodiment the locking means 29 could be manually operated or they could be electrically or pneumatically operated.
  • the potato planter 1 is provided with seed potato moving means 17 for feeding the seed potatoes from the seed potato container 2 to the planting units 4.
  • the potato moving means 17 is in this embodiment container conveyer means 18 in the form of a belt conveyer arranged at a middle area 12 of the bottom of the seed potato container 2 and toolbar conveyer means 19 also in the form of belt conveyers arranged along the width W of the toolbar 5 behind the planting units 4 so that the seed potatoes are conveyed from the container conveyer means 18 to the planting units 4.
  • the seed potatoes could be distributed in the potato planter at least partly by means of gravity, or by other conveying means such as chains, drivers, carriers, air pressure, rotating wheels, rollers or brushes or by any other means suitable for moving and distributing potatoes in a potato planter 1.
  • the potato planter 1 is provided with only one wheel pair 20 located under the heavy seed potato container 2.
  • the planter 1 could be provided with two, three or more wheel pairs 20 and they could be placed differently.
  • a potato planter 1 according to the present invention will inherently be relatively big and particularly relatively long and to ensure that narrow turns - e.g. in the headland of the potato field - can be negotiated fairly easy the wheel pair 20 of the potato planter 1 is in this embodiment steerable.
  • Fig. 2 illustrates a cross section made in front of the planting units 4 of a potato planter 1, as seen from the front.
  • the potato planter 1 exceeds a certain width W it becomes difficult to ensure prober ground clearance for all the planting units 4 at once when planting in uneven and rough terrain.
  • One solution to this problem would be to individually suspend all the planting units 4 hereby allowing them to individually maintain the desired ground clearance.
  • the outer parts 5 are therefore connected to the centre part 6 through rotatable joints 9 having a rotational axis 10 substantially parallel with the direction of travel when the outer parts 5 are in working position, hereby allowing that the outer parts 5 may tilt around the rotational axis 10 as indicated by the arrow at the left of the figure.
  • the toolbar 3 is in this embodiment of the invention also provided with an upper frame 13 from which stay means 14 extends down to the outer parts 5 hereby enabling that the outer parts 5 may be suspended by the stay means 14.
  • the stay means 14 are in this embodiment connected to the upper frame 13 through upper frame displacing means 15 of the upper frame 13 enabling that the upper end of the stay means 1 may be displaced linearly in and out transverse to the direction of travel and rotated to follow the outer parts 5 as they rotate backwards into transport position.
  • the stay means 14 are each further provided with a length adjusting linear actuator 16 to ensure prober ground clearance particularly during transport.
  • the length adjusting linear actuators 16 will typically be un-pressurized to allow the outer parts 5 to adjust to the uneven ground surface themselves.
  • Fig. 3 illustrates a potato planter 1 with the outer parts 5 folded back, as seen from above.
  • the outer parts 5 are put into transport position to reduce the width W of the planter 1 and thereby allow for transport on public roads without changing the direction of travel of the planter 1 and to ensure that the planter 1 is less space consuming when being stored until next potato planting season.
  • the outer parts 5 are therefore connected to the centre part 6 through a pivotal joint 7 having a substantial vertical rotational axis hereby allowing that the outer parts 5 may be rotated back towards the seed potato container 2 so that the outer parts 5 are arranged substantially parallel with the normal direction of travel in an angle substantially perpendicular with the lengthwise extend of the centre part 6.
  • a rotating linear actuator 24 is provided between the outer parts 5 and a slide 21 of the outer part displacing means 8 of the centre part 6.
  • Fig. 4 illustrates a potato planter 1 with the outer parts 5 in transport position, as seen from above.
  • the outer part displacing means 8 are activated to pull the outer parts 5 linearly inward towards the seed potato container 2.
  • This linear motion is driven by a displacing linear actuator 23 arranged between the centre part 6 and the slide 21 being guided by guide means 22.
  • the guide means 22 are a couple of tracks connected to a girder of the centre part 6 but in another embodiment the slide 21 could simply be a tube part arranged around a beam of the centre part 6 forming the guide means 22 integrally with the beam.
  • Fig. 5 illustrates a potato planter 1 with the outer parts 5 in transport position, as seen from the side.
  • the planter 1 could comprise means to vertically displace the entire toolbar 3 linearly. But since the toolbar 3 is very large and heavy the means for guiding such a displacement would have to be correspondingly large, strong and thereby expensive.
  • the planter 1 is provided with connection means 25 for connecting the potato planter 1 to the vehicle 26 pulling the potato planter 1 ahead during potato planting.
  • the connection means 25 is connected to the tractor 26 through a simple plug connection but in another embodiment the connection could be made more complex e.g. to better utilize the capabilities of a modern tractor.
  • the connected means 25 are in this embodiment connected to the toolbar 3 through a transverse joint 27 having a rotational axis substantially perpendicular with the normal direction of travel.
  • This joint 27 allows that the lengthwise angle A between the connection means 25 (and thereby the tractor 26) and the rest of the planter including the toolbar 3 and sees potato container can be adjusted in a vertical plane.
  • the planter 1 is in this embodiment provided with an angle linear actuator 28 arranged between the connection means 25 and the toolbar 3 so that when the actuator 28 extends the angle A between the connection means 25 and the toolbar 3 is changed in the vertical plane - provided that the connection means 25 can rotate at least slightly in the vertical plane around the plug connection at the tractor 26 - so that the entire planter 1 - except the connection means 25 - is rotated around the wheel pair(s) 20 and the toolbar 3 is thereby lifted off the ground.
  • This lifting action is naturally more profound further away from the wheel pair 20 and in this embodiment the outer parts have therefore been raised by the length adjusting linear actuators 16 of the stay means 14 to ensure that the outermost planting units 4 are also lifter sufficiently off the ground.
  • Fig. 6 illustrates a cross section down through the middle of a seed potato container 2, as seen from the front.
  • the side areas 11 of the bottom of the seed potato container 2 is sloping downwards towards a middle area 12 of the bottom to ensure that the seed potatoes in the container are guided towards the container conveyer means 18 arranged at the middle area in the bottom of the container.
  • This container design also entails that the clearance under the sides 11 of the container 2 is raised hereby allowing that the wheels 20 and particularly the outer parts 5 (not shown in this figure) can be moved closer to and at least partly in under the side areas 11 of the bottom of the container 2 hereby reducing the width W of the collapsed planter 1 and ensuring a compact design.
  • Container conveyer means means

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sowing (AREA)

Abstract

L'invention concerne une jardinière de pomme de terre (1), comprenant un récipient de pomme de terre de semence (2) et une barre d'outils de jardinière de pomme de terre (3) contenant une pluralité d'unités de plantation (4), la barre d'outils (3) étant agencée transversalement, en face du récipient de pomme de terre de semence (2), par rapport à la direction d'avancée pendant la plantation de pomme de terre. Une partie extérieure (5) des deux côtés de la barre d'outils (3) est reliée de façon pivotante à une partie centrale fixe (6) de la barre d'outils (3) au moyen d'une articulation pivotante (7) de la barre d'outils (3), de telle sorte que les parties extérieures (5) peuvent être tournées entre une position de travail, dans laquelle les parties extérieures (5) sont agencées sensiblement transversalement à la direction d'avancée, et une position de transport, dans laquelle les parties extérieures (5) sont agencées sensiblement parallèlement à la direction d'avancée, le long du récipient de pomme de terre de semence (2). La jardinière de pomme de terre (1) comprend en outre des moyens de déplacement de partie extérieure (8) pour déplacer les parties extérieures (5) sensiblement de façon linéaire dans une direction sensiblement transversale à la direction d'avancée. L'invention concerne également un procédé de diminution de la largeur (W) d'une jardinière de pomme de terre (1).
PCT/DK2012/050284 2012-08-02 2012-08-02 Jardinière de pomme de terre et procédé de diminution de la largeur d'une jardinière de pomme de terre WO2014019586A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/DK2012/050284 WO2014019586A1 (fr) 2012-08-02 2012-08-02 Jardinière de pomme de terre et procédé de diminution de la largeur d'une jardinière de pomme de terre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DK2012/050284 WO2014019586A1 (fr) 2012-08-02 2012-08-02 Jardinière de pomme de terre et procédé de diminution de la largeur d'une jardinière de pomme de terre

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10104828B2 (en) * 2015-11-03 2018-10-23 Cnh Industrial Canada, Ltd. Agricultural implement system with tool bar behind wing frame

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982671A (en) * 1975-08-28 1976-09-28 Curl Robert B Multiple feed potato planter
US5829370A (en) * 1996-07-08 1998-11-03 Bender; Harold C. Rearward folding multi-row crop planter
DE20003810U1 (de) * 2000-03-01 2000-07-27 Schmidbauer Anton Kartoffellegemaschine
WO2002005623A1 (fr) * 2000-07-17 2002-01-24 Ing. A. De Jager B.V. Systeme de plantation de pommes de terre
WO2007094730A1 (fr) * 2006-02-17 2007-08-23 Väderstad-Verken Aktiebolag Machine agricole

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982671A (en) * 1975-08-28 1976-09-28 Curl Robert B Multiple feed potato planter
US5829370A (en) * 1996-07-08 1998-11-03 Bender; Harold C. Rearward folding multi-row crop planter
DE20003810U1 (de) * 2000-03-01 2000-07-27 Schmidbauer Anton Kartoffellegemaschine
EP1129607B1 (fr) 2000-03-01 2005-08-31 Anton Schmidbauer Machine à planter les pommes de terre
WO2002005623A1 (fr) * 2000-07-17 2002-01-24 Ing. A. De Jager B.V. Systeme de plantation de pommes de terre
WO2007094730A1 (fr) * 2006-02-17 2007-08-23 Väderstad-Verken Aktiebolag Machine agricole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10104828B2 (en) * 2015-11-03 2018-10-23 Cnh Industrial Canada, Ltd. Agricultural implement system with tool bar behind wing frame

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