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
  • A01B39/00—Other machines specially adapted for working soil on which crops are growing
  • A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
  • A01B39/18—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for weeding
• • 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
  • A01B19/00—Harrows with non-rotating tools
  • A01B19/02—Harrows with non-rotating tools with tools rigidly or elastically attached to a tool-frame
• • 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
  • A01B23/00—Elements, tools, or details of harrows
  • A01B23/02—Teeth; Fixing the teeth
• • 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
  • A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
  • A01B35/02—Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools
  • A01B35/10—Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools mounted on tractors
  • A01B35/12—Other machines for working soil not specially adapted for working soil on which crops are growing with non-rotating tools mounted on tractors with spring tools or with resiliently-or flexibly-attached rigid tools
• • 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
  • A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
  • A01B35/18—Other machines for working soil not specially adapted for working soil on which crops are growing with both rotating and non-rotating tools
• • 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
  • A01B39/00—Other machines specially adapted for working soil on which crops are growing
  • A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
  • A01B39/16—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for working in vineyards, orchards, or the like ; Arrangements for preventing damage to vines
• • 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
  • A01B39/00—Other machines specially adapted for working soil on which crops are growing
  • A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
  • A01B39/16—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for working in vineyards, orchards, or the like ; Arrangements for preventing damage to vines
  • A01B39/163—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for working in vineyards, orchards, or the like ; Arrangements for preventing damage to vines comprising rotating tools

Definitions

• the present invention relates to a device and a method for mechanical weed control.
• the invention relates to a device and a method for mechanical weed control of crop plants planted in series with woody soil shoots or trunks.
• the problem with all crop plants is that not only do the crops grow on the cultivation area, but also undesirable weed plants.
• the weed plants interfere with the cultivation of the crop plants.
• the weed plants have a negative effect on the desired harvest quantity and quality of the harvested fruits. For these reasons, the unwanted weed plants are usually removed.
• Soil cultivation tools are removed or pulled out of the ground.
• the crops are usually planted in rows for easy processing. With crops that have woody shoots or a stem, there is the problem that unwanted weed plants between the plant rows and individual Plants growing in a row of plants. These weed plants cannot, however, be removed with the conventional tillage implements known from agriculture, or can be removed only to a limited extent.
• Fingerhooks designed to tear out or damage the unwanted weed plants, which causes the weed plants to die.
• the pickaxe and roller hoe do not always reach the weed plants that are directly on the stem of the crop.
• the object is achieved by a device for mechanical
• Weed control comprising an agricultural vehicle with a predetermined direction of travel and two opposite longitudinal sides and one
• a tillage implement attached to the agricultural vehicle having at least one harrow with at least one tine comprising a tine arm, a tine tip and a tine base, the tine tip and the tine base being located at opposite ends of the tine arm, wherein the harrow is connected to a connecting element in the area of the tine base, the at least one tine of the harrow having a kink at a predetermined angle, at least the tine tip protruding beyond a longitudinal side of the agricultural vehicle and the tine arm being oriented at a predetermined angle with respect to the direction of travel is.
• the predefined and, in particular, adjustable angle is also referred to below
• the harrow can be attached to the front, back or side of the agricultural vehicle.
• the at least one tine usually protrudes completely beyond the long side of the agricultural vehicle. If the harrow is attached to the front or rear of the
• the at least one prong can partially or completely protrude beyond the long side of the agricultural vehicle.
• the at least one prong of the harrow can be brought up to the crop plant without hesitation in order to catch the weed plants, since the at least one prong, in contrast to a roller hoe, does not or does not seriously damage the stem of a crop plant, for example a vine or a fruit tree .
• the provision of a kink in the tine leads to improved protection of the crop plants, on the one hand, and on the other hand, the action of the harrow can be adapted to the external conditions due to the changeable predetermined angle of the kink.
• the kink in the tine can be provided in the tine tip, in the tine arm or between the tine tip and tine arm.
• Weed control is particularly effective when the tine arm points obliquely downward, the tine arm preferably being oriented rearward in the direction of travel, since the weed plants which have been torn out are then pulled away from the crop.
• the device is preferably designed to process crops in a row with a stem and a crown, the harrow being attached to the agricultural vehicle in such a way that the crop is processed by means of the harrow below the plant crown. In this way, the soil around the crop can be worked without the risk of damaging the crop.
• crown means the branches or shoots of a crop.
• the setting angle which the at least one prong has with respect to the horizontal is less than 45 °, preferably less than 30 °.
• a predetermined setting angle with respect to the horizontal has the advantage that the harrow in Near the vehicle can be guided at a distance from the ground, while the harrow can attack the ground in the area of the crop. This prevents
• Weed plants in the vicinity of the vehicle are torn out. This can be desirable for ecological reasons.
• these weed plants in the vicinity of the vehicle do not impair the effectiveness of the harrow.
• the angle should not be greater than 45 °, because a comparatively flat alignment of the tines is desired, particularly in the case of vines, since the harrow is then only guided below the shoots along the stem of the vine and thus does not damage the shoots of the vine.
• the vertical distance between the tine base and a bearing surface of the agricultural vehicle is approximately 20 cm to 70 cm, preferably 20 cm to 50 cm.
• the contact surface is understood here to mean the surface on the underside of the agricultural vehicle with which the agricultural vehicle, in particular with which the edges of the agricultural vehicle are on the ground, such as that
• This measure also contributes to the harrow being guided beneath the shoots of a plant by one
• Vehicle does not undesirably affect the weed plants during operation and is small enough to effectively remove the weed plants from the soil.
• an adjustment device is preferably provided.
• the adjusting device is designed to move the harrow in at least one spatial direction, preferably in three mutually perpendicular directions
• Adjustment device preferably has at least one lockable joint, in particular a toothed joint.
• the adjustment device is firmly connected to the connecting element of the harrow. This has the advantage that other tillage implements can be easily connected to the agricultural vehicle.
• the at least one prong is designed to be resilient in order to avoid any damage to the woody stems or soil shoots of the crop plants.
• the harrow has a spring element.
• the harrow comprises at least two tines arranged in parallel.
• the at least two tines arranged in parallel each have two opposite ends, the at least two tines arranged in parallel being connected to one another at one end. This can further improve weed control.
• the tillage device comprises a rotating tillage tool such as a roller hoe or a finger hoe.
• the use of the harrow in combination with a rotating tillage tool has proven to be particularly advantageous.
• the rotating tillage tool throws the soil up.
• the unwanted weed plants are torn out or damaged.
• the harrow is pulled in the direction of travel behind the tillage tool by the agricultural vehicle over the earth raised by the rotating tillage tool, which results in that of a rotating
• Soil cultivation tool is leveled thrown earth.
• the harrow ensures that those that have already been thrown or partially torn out
• the device for mechanical weed control is preferably used in plantings of crop plants which have a woody ground shoot or a woody trunk. So the device for mechanical weed control
• the present invention also relates to a method for mechanical weed control of crops in a row which have a woody soil shoot or a woody trunk, with a device according to the invention, the method being characterized by the following steps:
• the vehicle pulls the harrow and thus the tines across the ground.
• the harrow can be brought up to the stick or stem of the plant in order to also pull weeds that grow around the stem or stick out of the soil.
• the tine tip protrudes at least in sections laterally beyond the woody trunk or woody ground shoot of the crop plants in series, the length of the tine preferably being selected such that when aligning the at least one prong, about 5% to 30% of the length of the tine arm protrudes through the row of plants to be worked.
• plants that stand between the trunks or woody shoots of the crops in a row are also recorded.
• the at least one prong is guided at least in sections around the stem or woody soil shoot, so that the weed plants located in the immediate vicinity of the stem or woody soil shoot are removed.
• Soil cultivation tool is provided, which is arranged in front of the harrow in the direction of travel, the rotating tillage tool tearing open the soil around the woody trunk of the crop plants in row and / or damaging or at least partially tearing out the weed plants.
• the rotating tillage tool is guided at a safe distance from the stick or tree trunk to avoid damaging the crop itself.
• the harrow can then attack directly on the stick or on the tree trunk around the remaining weed plants to tear out.
• the harrow may level the earth raised by the rotating tillage tool.
• Fig. 5 a connecting element
• FIG. 1 shows an agricultural vehicle 10, of which only the rear 12 can be seen.
• a holding frame 14 is attached to the rear of the agricultural vehicle 10, a holding rod 16 formed on the holding frame 14 being provided, to which a tillage implement 17 is fastened with two tillage tools.
• the soil tillage implement 17 in this case comprises a holder 18, which in turn is connected to the holding rod 16.
• the bracket 18 is part of a pickaxe 20.
• the pickaxe 20 is a rotating tillage tool with a circular finger disc 22, which has a circular inner element and a plurality of fingers 24, the fingers 24 being arranged along the circumference of the circular inner element are and are in radial Extend outward.
• the inner element of the pickaxe 20 is rotatably fastened to the holder 18, so that the finger disk 22 can be rotated about its axis.
• the holder 18 of the finger pick 20 comprises a connecting rod 26 with a rectangular cross section, which is connected to the holding rod 16 of the holding frame 14 to form an angle, preferably to form a right angle.
• a harrow 30 is also provided as the second tillage tool. In operation, the harrow is firmly connected to the bracket 18. However, a lockable adjustment device is provided for setting an adjustment angle of the harrow 30.
• the harrow 30 is connected to the connecting rod 26 of the holder 18 of the pickaxe 20 by means of a connecting element 32.
• the connecting element 32 has a first connecting arm 34 and a second
• connection arm 36 on (see Fig. 2).
• the first connecting arm 34 is designed as an attachment with a rectangular cross section, which is arranged on the connecting rod 26 of the holder 16 of the finger pick 20 and is fixedly connected to the connecting rod 26.
• the second link arm 36 is a flat elongated link plate with two opposite ends 38, 40.
• a toothed joint 42 is provided, which is connected to one end 38 of the second connecting arm 36, so that the connecting element 32 has an adjusting device in the form of a lockable joint connection.
• the harrow 30 is attached to the free end 40 of the second connecting arm 36.
• the harrow 30 is behind the in the direction of travel of the agricultural vehicle 10
• the harrow 30 protrudes laterally beyond the long side of the agricultural vehicle, is oriented at an angle relative to the direction of travel that can be set by means of the toothed joint 42, and points obliquely downward.
• the harrow 30 itself comprises two tines 44 arranged in parallel, each of which has a tine arm 45 with two opposite ends.
• the two tines 44 arranged in parallel, each of which has a tine arm 45 with two opposite ends.
• opposite ends each form a tine base 46 and a tine tip 48.
• the two tines 44 are connected to one another on the tine base 46 by means of a base element 50.
• the base element 50 is at the free end 40 of the second connecting arm 36 attached.
• the tines 44 each have a spring element 52, which as
• Winding is formed.
• the two spring elements 52 are provided on the base 50 on both sides of the connection point with the second connection arm 36.
• the tine tips 48 engage in the ground during operation.
• the harrow 30 itself consists of spring steel with a predetermined diameter and is resilient.
• the diameter of each tine 44 and the size and number of turns of the spring element 52 have an influence on the hardness with which the harrow 30 works the ground.
• FIG. 1 shows a first embodiment of a harrow 30, in which the tine tip 48 is bent by a predetermined angle with respect to the tine arm 45 and thus forms a first kink.
• a further kink is provided in the tine tip 48, so that the tine tip 48 is formed in a jagged shape here.
• FIG. 2 shows a tine 44, the tine tip 48 of which is bent by a predetermined angle with respect to the tine arm 45 and is designed like a hook.
• the agricultural vehicle In order to use the soil tillage implement described in FIGS. 1 and 2 in a vineyard or in an espalier fruit growing area, the agricultural vehicle is first positioned on the row of cultivated plants to be worked on, such as a row of vines or fruit trees.
• the tines 44 are aligned so that the tine tips 48 touch the ground in the area of the trunk of the vines or fruit trees.
• the distance between the agricultural vehicle and the trunk of the vines or fruit trees is ideally set so that the tine arm 45 and thus the tine tip 48 protrude slightly above the trunks. It has proven to be advantageous that the length of the tine 44 which projects through the plants is approximately 5% to 30% of the length of the tine arm 45.
• the tines 44 are oriented rearward and obliquely downward in the direction of travel.
• the angle which the tine 44 has with respect to the horizontal is less than 45 °, preferably less than 30 °.
• the tine 44 can be set at an angle between 20 ° and just under 90 ° with respect to the direction of travel.
• the angle which the tine 44 is oriented with respect to the direction of travel of the agricultural vehicle is preferably 30 ° to 80 °.
• the pickaxe 20 tears out or damages the weed plants between the crop rows these.
• the harrow 30 following the pickaxe 20 also detects the
• the two prongs 44 of the harrow 30 are guided at least in sections along the stem or woody ground shoot of the crop. Since the tines 44 are resilient, there is no risk of damaging the trunk or the woody ground shoot.
• FIGS. 1 and 2 can also be used in other plantings in which the crop plants have a trunk or a woody soil shoot and are planted in series.
• 3 to 5 show a second embodiment of an agricultural vehicle 110 with a tillage implement which has a rotating tillage tool in the form of a roller hoe 160 and a harrow 130.
• roller hoe 160 is laterally attached to an agricultural vehicle 110.
• the roller hoe 160 comprises two parallel and spaced apart
• Rolling disks 162 which are rotatable about a common axis 164 (see FIG. 3).
• a holder 118 of the roller hoe 160 is provided perpendicular to the axis of rotation of the roller disks 162, which holder is in turn fastened to a holding frame 114 of an agricultural vehicle 110.
• the holding frame 114 can be, for example, a lifting device which is usually attached to agricultural vehicles.
• the roller hoe 160 has a setting angle with respect to the agricultural vehicle 110.
• the holder 1 18 of the roller hoe 160 has a swivel device 166, by means of which the setting angle of the roller hoe 160 with respect to the agricultural vehicle 110 can be changed manually or automatically.
• the harrow 130 is firmly connected to the holder 118 of the roller hoe 160 via a connecting element 132.
• a lockable adjustment device 170 is also provided here for setting an adjustment angle of the harrow 130.
• the connecting element 132 comprises a first connecting arm 134 and a second connecting arm 136.
• the first connecting arm 134 is elongated and has two ends, the first connecting arm 134 being fastened to the holder 118 of the roller hoe 160 in the region of one end below the pivoting device 166 .
• the adjustment device 170 is provided at the other end.
• the second link arm 136 is as plate-shaped element and has two opposite ends, one end being connected to the harrow 130 and the other end to the adjusting device 170.
• the harrow 130 has an angle with respect to the direction of travel of the agricultural vehicle 110.
• the harrow 130 points obliquely downwards to the rear.
• the harrow 130 is in turn aligned at an angle with respect to the roller hoe 160, so that the angle at which the harrow 130 with respect to the
• agricultural vehicle 1 10 is aligned, differs from the setting angle of the hoe 160.
• the harrow 130 has a hook-shaped tine tip, which is shaped in that the tine tip 144 is bent at a predetermined angle with respect to the tine arm 145.
• the adjustment device 170 is a series of three
• Toothed joints whose pivot axes point in different spatial directions, so that the harrow 130 can be adjusted in as many spatial directions as possible.
• the three toothed joints are arranged in such a way that two adjacent toothed joints each have an axis of rotation, which are aligned perpendicular to one another.
• FIGS. 4 and 5 show the adjusting device 170 in detail.
• the first toothed joint 172 is arranged on the end face of the first connecting arm 134 and has an axis of rotation perpendicular to the end face of the first connecting arm 134.
• the second toothed joint 174 is fastened to a lateral axial extension 176 of the first toothed joint 172, the axis of rotation of the second
• Gear joint 174 is aligned perpendicular to the axial extension 176.
• the third toothed joint 178 has two opposite sides, one side being fastened to a side surface of the plate-shaped second connecting arm 136.
• a plate-shaped intermediate element 180 is fastened to the third toothed joint 178 parallel to the second connecting arm 136.
• the intermediate element 180 is in turn connected to the second toothed joint 174.
• the axis of rotation of the third tooth joint 178 is perpendicular to the second connecting arm 136.
• the setting angle which the tine 144 has with respect to the horizontal has a value less than 30 °.
• the setting angle which the prong 144 has with respect to the horizontal can have up to 45 °, preferably less than 30 °. If the
• Setting angle between the horizontal and tine 144 can also be approximately zero, but an setting angle of more than 15 ° is advantageous.
• FIG. 6 shows a further embodiment of a harrow 230 in combination with a
• Roller hoe 260 is shown, in which a metal chain 290 is also provided between the two essentially right-angled, hook-like tine tips 248, which connects the two tines 244 to one another.
• FIGS. 3 to 6 The operation of the tillage implement described in FIGS. 3 to 6 is comparable to the tillage implement shown in FIGS. 1 to 2.
• the agricultural vehicle turns on the row to be worked
• Cultivated plants such as rows of vines or fruit trees positioned.
• the tines 144 are aligned so that the tine tips 148 touch the ground around the crop, such as grapevines or fruit trees, and point obliquely backwards in the direction of travel of the agricultural vehicle.
• the ground shoot of the crop is ideally set so that the tip of the tine 148 extends beyond the individual stems.
• the length of the tine 144 which projects through the plants during operation is approximately 5% to 30% of the length of the tine arm 145.
• the hoe 160 is spaced from the trunks or woody shoots to avoid damaging the crop. When the agricultural vehicle now travels along the crops, the hoe 160 tears the ground between two
• the harrow 130 grasps the weed plants that are in the area of the stems and between the stems or woody shoots.
• the two tines 144 of the The harrow 130 is guided at least in sections along the stem or woody ground shoot of the crop.
• the harrow 130 paves the way of the
• harrows can also be used which have only one prong or more than two prongs.
• the tillage implement comprises only one harrow.
• the use of a device for mechanical weed control, which comprises only one harrow, is particularly useful if the soil around the crop is very soft, in particular sandy, or if the soil has already been torn open in another operation.
• the adjustment device described in connection with the roller hoe can also be used in other embodiments.
• the adjustment device described in connection with FIGS. 3 to 5 can also be used instead of the adjustment device described in FIGS. 1 and 2.
• the adjustment device described in connection with the roller hoe can also be used in an embodiment in which the tillage implement comprises only one harrow.
• tine tips shown can take any angle with respect to the tine arm in order to form a kink. Additionally or alternatively, kinks can be provided at any angle in the tine arm and / or the tine tip.

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

Applications Claiming Priority (2)

Publications (1)

Family

ID=68468653

Family Applications (2)

Family Applications After (1)

Country Status (5)

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Family Cites Families (30)

• 2018
  • 2018-10-18 DE DE102018125940.9A patent/DE102018125940A1/de active Pending
• 2019
  • 2019-10-17 CN CN201980084679.8A patent/CN113194706A/zh active Pending
  • 2019-10-17 EP EP19798175.6A patent/EP3866575A1/de active Pending
  • 2019-10-17 DE DE202019105740.8U patent/DE202019105740U1/de active Active
  • 2019-10-17 US US17/285,141 patent/US20210368665A1/en active Pending
  • 2019-10-17 WO PCT/EP2019/078151 patent/WO2020079117A1/de unknown
• 2020
  • 2020-09-29 EP EP20786254.1A patent/EP4044785A1/de active Pending
  • 2020-09-29 WO PCT/EP2020/077166 patent/WO2021073863A1/de unknown

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