EP4475656A1 - Schwenkvorrichtung für ein landwirtschaftliches bodenbearbeitungsgerät - Google Patents
Schwenkvorrichtung für ein landwirtschaftliches bodenbearbeitungsgerätInfo
- Publication number
- EP4475656A1 EP4475656A1 EP23705946.4A EP23705946A EP4475656A1 EP 4475656 A1 EP4475656 A1 EP 4475656A1 EP 23705946 A EP23705946 A EP 23705946A EP 4475656 A1 EP4475656 A1 EP 4475656A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing point
- support rail
- pivoting device
- soil
- pivoting
- 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
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
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/002—Devices for adjusting or regulating the position of tools or wheels
- A01B63/008—Vertical adjustment of 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
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
- A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
- A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/201—Mounting of the seeding tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/201—Mounting of the seeding tools
- A01C7/205—Mounting of the seeding tools comprising pressure regulation means
Definitions
- the present invention relates to a pivoting device for tool carriers and/or soil tillage elements of an agricultural soil tillage implement, in particular for tilling row crops. Furthermore, the invention relates to a soil cultivation device, in particular for cultivation of row crops, with at least one pivoting device designed according to the invention.
- the soil tillage elements should follow a soil contour as precisely as possible, whereby a constant working depth should essentially be achieved.
- a height-variable suspension of the individual tillage elements or the tool carrier carrying the elements is usually provided.
- Different suspension devices are used here, for example linearly displaceable bearings or pivoting devices designed in the manner of a parallelogram.
- This Bearings also allow the soil tillage elements to be lifted out or lifted, for example at a headland or while driving on the road.
- a particularly high lifting is required, since the soil processing element must be lifted out of the ground and up to a sufficiently great height in order to avoid damage to crops, for example when hoeing
- Such a device for pivoting soil working elements of a soil working implement is known from EP 2 922 383 A1.
- An inter-row cultivator is disclosed there, which has suspension devices in the form of parallelograms for adjusting the height of soil cultivation elements.
- An upper or lower strut of the parallelogram-like suspension is in each case designed in the form of a hydraulic cylinder, as a result of which the soil working elements can be raised or pivoted by changing the length of the hydraulic cylinder.
- the disadvantage of such a replacement of a strut by a hydraulic cylinder is that a hydraulic cylinder with a greater overall length is required for a sufficiently high lifting of the soil working elements. This increases the weight of the tillage implement and increases costs due to larger hydraulic cylinders.
- the forces of tillage act directly on the hydraulic cylinder, so that it has to be dimensioned accordingly. In the case of mounted tillage implements, there is also an unfavorable shift in the center of gravity away from the tractor.
- a pivoting device for tool carriers and/or soil tillage elements of a soil tillage implement with a base frame, in particular for tilling row crops is proposed, the pivoting device being designed in the manner of a parallelogram and movable between a first position for soil tillage and a raised second position, and one on the base frame side arranged first support rail and a second support rail that can be pivoted relative to the first support rail, as well as an upper strut and a lower strut, the upper and lower struts being arranged essentially one above the other and connecting the first and second support rails in an articulated manner, the struts in the support rails respectively are pivoted in an upper and a lower bearing point.
- a distance between an upper bearing point and a lower bearing point of at least one mounting rail can be changed.
- the pivoting device In a first position for tilling the soil, the pivoting device is lowered in the direction of a soil, allowing the soil tilling elements to follow a soil contour.
- a distance between the bearing points of the first support rail essentially a distance between the Correspond bearing points of the second support rail, whereby the upper and lower strut can be arranged in parallel substantially.
- this causes an essentially purely vertical displacement of the second support rail and soil cultivation elements arranged thereon, whereby these can thus follow the soil contour.
- the distance between an upper bearing point and a lower bearing point of at least one support rail can be changed.
- a change in the distance between the two bearing points on at least one support rail results in a non-parallel arrangement of the upper and lower struts of the pivoting device, whereby when pivoting, for example into the second position, the vertical displacement of the second support rail causes a tilting movement, in particular in the direction of the Base frame, can be superimposed.
- a change, in particular an opposite change, in the distance between the bearing points on the two mounting rails is also conceivable. This additional tilting movement enables the second mounting rail and tool carriers and/or soil cultivation elements arranged thereon to be lifted significantly more than with a purely vertical displacement of the second mounting rail.
- a distance from tool carriers and/or soil tillage elements to the soil can be increased and a short design of the pivoting device can be made possible.
- the weight can be kept lower and an unfavorable shift in the center of gravity of the soil tillage implement can also be avoided or reduced.
- a vertical displacement of the Tool carrier and / or tillage elements are reduced, whereby the tillage device can be built more compact.
- At least one bearing point of the first or second mounting rail is preferably designed to be displaceable.
- a change in a distance between an upper bearing point and a lower bearing point on a mounting rail can be made possible in a simple manner by moving at least one of the bearing points on a mounting rail.
- a bearing point can be shifted during pivoting, starting from a first position of the pivoting device, toward or away from a second bearing point of the mounting rail, for example outwards.
- a displaceable bearing point and the associated support rail can be designed and constructed in such a way that the bearing point can be displaced along at least part of the support rail.
- a distance between the bearing points of the first support rail is smaller than a distance between the bearing points of the second support rail. This allows the second support rail to tilt in the direction of the first support rail when it is pivoted, as a result of which a distance from the bottom of the second support rail, and in particular soil cultivation elements attached thereto, can be further increased.
- the distance of the Bearing points of the first mounting rail essentially correspond to the distance between the bearing points of the second mounting rail.
- the upper and lower struts can be arranged substantially parallel, whereby the pivoting device acts like a parallelogram with a substantially vertical, tilt-free pivoting movement, which enables following the ground contour.
- a guide device for guiding and/or limiting a displacement of the bearing point is preferably provided on a bearing point designed to be displaceable. A controlled movement of the bearing point can be ensured by the guide device.
- the guiding device also has at least one stop, whereby a limitation of the displacement can be made possible.
- a guide device can be designed, for example, in the form of a slot or a rail.
- the guide device is straight or at least partially curved.
- the guide device can have, for example, straight, curved and/or angled sections for guiding a bearing point. This enables the vertical and/or tilted displacement to be controlled when the relevant bearing point is displaced. This has the advantage that a movement of an associated tool carrier or the soil cultivation device can also be controlled and collisions with other attachments of the soil cultivation device can thus be avoided, for example.
- a first actuator is provided for pivoting the pivoting device between the first position for tilling the soil and the raised second position.
- the first actuator can be arranged such that when pivoting the second mounting rail relative to first mounting rail can be relocated.
- the first actuator can be mounted with one end on the base frame side and/or on the first mounting rail and be operatively connected directly or indirectly, for example via one of the struts, to the second mounting rail.
- a first actuator can also be mounted on one, for example the second, support rail and can be connected to a displaceable bearing point on the second support rail.
- a first actuator can be designed in the form of a hydraulically and/or pneumatically acting cylinder or in the form of a spindle drive.
- a second actuator is preferably provided for displacing at least one bearing point.
- the second actuator can be arranged in such a way that a distance between two bearing points of a mounting rail can be changed. At least one end of the second actuator can be arranged on a bearing point or a strut which is connected to the displaceable bearing point.
- a second actuator can be designed in the form of a hydraulically and/or pneumatically acting cylinder, a mechanical spring, a gas pressure spring or in the form of a spindle drive. When the pivoting device is pivoted from the first position, the second actuator can bring about a definable displacement of the position to be displaced, as a result of which the tilting of the, in particular second, support rail can be precisely controlled.
- the pivoting device can essentially act like a parallelogram and enable the soil cultivation elements to follow the soil contour.
- a strut which extends between two bearing points, in particular the upper strut, preferably has at least one projection, the projection projecting beyond one of the bearing points and/or one of the support rails.
- the projection can be designed and arranged in such a way that a force can be introduced, in particular for shifting the strut, into the strut on the outside of a bearing point and/or a support rail.
- One end of the first and/or the second actuator can be arranged on a projection.
- the overhang enables, for example, a force to be introduced into a strut by an actuator arranged on the outside of a support rail, in particular for moving a bearing point. This offers the advantage of a particularly space-saving arrangement of the actuator, in particular the second actuator.
- the first actuator is preferably on the base frame side and is operatively connected to the upper bearing point of the second mounting rail, the upper bearing point of the second Mounting rail is designed to be displaceable.
- the actuator can be arranged with one end on the base frame and/or on the first support rail arranged on the base frame.
- the actuator can be connected directly or indirectly to the bearing point.
- An indirect active connection can be designed in such a way that an actuator is connected to a strut, which has a displaceable bearing point, so that when the length of the actuator changes via the strut, the displaceable bearing point can also be displaced, in particular relative to a mounting rail . It is advantageous here that a pivoting of the pivoting device and a displacement of the displaceable bearing point can be effected with an actuator.
- the first actuator is connected to the second support rail and to a projection of the upper strut that protrudes beyond the second upper bearing point, the first upper bearing point being designed to be displaceable in the first support rail, in particular in the direction of the floor.
- This arrangement of the first actuator on a rear side of the second support rail, viewed in the working direction, enables the first actuator to be arranged in a space-saving manner and offers the advantage that only one actuator is required for pivoting the pivoting device with a displacement of the displaceable bearing point.
- a second actuator can also be arranged between the upper and lower rails for the controlled displacement of the displaceable bearing point.
- a soil tillage implement having at least one pivoting device, the at least one pivoting device being designed according to one of Claims 1 to 11. Further details of the invention can be found in the figures and the description of the figures, which show a preferred embodiment of the invention.
- FIG. 1 shows an isometric view of a pivoting device of a soil cultivation implement
- FIG. 2 shows a side view of a first embodiment of the pivoting device in a first position
- FIG. 4 shows a side view of a second embodiment of the pivoting device in a first position
- FIG. 5 shows a side view of the pivoting device from FIG. 4 in a pivoted second position
- FIG. 6 shows a side view of a third embodiment of the pivoting device in a first position
- FIG. 7 shows a side view of the pivoting device from FIG. 6 in a pivoted second position
- FIG. 1 shows an isometric view of a pivoting device 1 of a towed tillage implement 2 for tilling row crops.
- the soil tillage implement 2 has a base frame 3 that extends essentially parallel to the soil to be tilled, with the pivoting device 1 being arranged on the base frame 3 .
- a plurality of pivoting devices 1 can be arranged next to one another on the base frame 3.
- Above the pivoting device 1 is a tool carrier 14 with tillage elements 18 pivotably mounted on the base frame 3 for tillage.
- the soil 21 is shown below the soil processing elements 18 , but during soil processing the soil processing elements 18 would penetrate at least partially into the soil 21 . Plants arranged in rows are located on the floor 21 .
- the pivoting device 1 is designed in the manner of a parallelogram and is designed to be displaceable between a first position for tilling the soil and a raised second position.
- a first support rail 4 of the pivoting device 1 is arranged on the base frame 3 and a second support rail 5 which can be pivoted relative to the first support rail 4 is connected in an articulated manner to the first support rail 4 via an upper strut 6 and a lower strut 7 .
- the support rails 4, 5 and/or the struts 6, 7 can be designed as profiles, for example in the form of U-profiles.
- the struts 6, 7 are pivotally mounted in the support rails 4, 5 in an upper bearing point 8, 10 and a lower bearing point 9, 11 respectively.
- the bearings 8, 9, 10, 11 can be designed in the form of bolts.
- the upper and/or lower struts 6, 7 can each also be formed from two struts arranged next to one another and can be mounted in the same bearing points 8, 9, 10, 11 of the support rails 4, 5.
- a tool carrier 14 is arranged on the second carrier rail 5 and has a carrier frame 17 for the adjustable accommodation of soil working elements 18 and a disc 19 . Furthermore, a support wheel 15 is arranged on the second support rail 5 and is connected to the support rail 5 via a depth adjustment device 16 . A working depth of the tillage elements 18 can be set via the support wheel 15 . Due to the parallelogram-like configuration of the pivoting device 1, the tool carrier 14, in the first position of the pivoting device 1 in which the struts 6, 7 are essentially parallel are arranged to follow the ground contour. In a second position of the pivoting device 1 , the tool carrier 14 can be pivoted upwards, for example for transport, so that the soil working elements 18 are at a distance b from the soil 21 .
- Pivoting of the pivoting device 1 takes place via a first actuator 12 which is arranged with one end on the base frame side on the first support rail 4 and with its other end on the lower strut 7 .
- This essentially diagonal direction of action of the first actuator 12 also makes it possible to apply a force that acts essentially vertically and without tilting on the tool carrier 14 and/or the soil cultivation elements 18 , as a result of which they can penetrate the soil 21 better.
- a distance a1, a2 between an upper bearing point 8, 10 and a lower bearing point 9, 11 of at least one support rail 4, 5 can be changed.
- Fig. 2 a first embodiment of the pivoting device 1 is shown, in which the first upper bearing point 8 of the first support rail 4 is designed as a displaceable bearing point.
- the first upper bearing point 8 can be displaced along a guide device 13 in the direction of the first lower bearing point 9 of the first support rail 4 .
- the guide device 13 is designed in the form of an elongated hole.
- the pivoting device 1 shown in FIG. 2 is shown in the first position for tilling the soil.
- a first actuator 12 in the form of a hydraulic cylinder is provided for pivoting the pivoting device 1 into the second position, which is arranged between an upper end of the first support rail 4 and the lower strut 7 .
- a second actuator 20 is provided for moving the movable bearing point, here the first upper bearing point 8 .
- the second actuator 20 is arranged between the struts 6, 7 and can by a change in length Cause displacement of the upper strut 6 and thus also the first upper bearing point 8.
- the second actuator 20 can also be used in the first position of the pivoting device 1 to hold the struts 6, 7 essentially in a parallel arrangement, whereby the pivoting device 1 like a parallelogram a purely vertical displacement of the tool carrier 14 and/or soil working elements 18 and/or the support wheel 15 when following the soil contour.
- FIG. 3 shows the pivoting device from FIG. 2 in a raised second position, with the support wheel 15 being at a distance b from the ground 21 .
- the tool carrier and soil processing elements (not shown) are also arranged at a distance from the soil 21 .
- the first upper bearing point 8 of the first mounting rail 4 is shifted downwards, in the direction of the first lower bearing point 9, as a result of which a distance a1 between the bearing points 8, 9 of the first mounting rail 4 is smaller than a distance a2 between the bearing points 10, 11 of the second mounting rail 5.
- the second support rail 5, in addition to a purely vertical displacement, can also be tilted, in particular with its upper end, in the direction of the first support rail 4, whereby an increase in the distance b to the bottom of the tool carrier, soil cultivation elements and/or the support wheel is possible. than in the case of a purely vertical displacement with the first and second support rails 4, 5 arranged in parallel.
- a second embodiment of the pivoting device 1 is shown in a first position.
- the first actuator 12 is mounted with one end on an upper end of the first mounting rail 4 and with its other end on the upper strut 6, and thus indirectly via the upper strut 6 with the second upper bearing point 10 of the second mounting rail 5
- the second upper bearing point 10 is designed as a displaceable bearing point the upper bearing point 10 can be displaced away from the lower bearing point 11 along a guide device 13 .
- This embodiment has the advantage that both pivoting of the pivoting device 1 and displacement of the displaceable bearing point 10 can be effected via the first actuator 12 .
- the second embodiment of the pivoting device 1 is shown in a wasteful second position.
- the second upper bearing point 10 of the second support rail 5 is deflected upwards in the guide device 13 in the form of a slot, as a result of which the distance a2 between the bearing points 10, 11 of the second support rail 5 is greater than the distance a1 between the bearing points 8, 9 of the first support rail 4, whereby the second support rail 5 is tilted in the direction of the first support rail 4.
- Fig. 6 shows a somewhat more compact third embodiment of the pivoting device 1 in a first position for tillage.
- the second upper bearing point 10 of the second support rail 5 is also designed to be displaceable.
- the second upper bearing point 10 can be displaced away from the second lower bearing point 11, so that when it is shifted into the second position, the distance a2 between the bearing points 10, 11 of the second support rail 5 is also increased compared to the distance a1 between the bearing points 8, 9 the first mounting rail 4 can be effected.
- Only the first actuator 12 is provided for pivoting the pivoting device 1 .
- the first actuator 12 is arranged with one end at a lower end of the first support rail 4 and with its other end to the upper strut 7, adjacent to the second upper bearing point 10 of the second support rail 5.
- the pivoting device 1 in FIGS. 6 and 7 has an upper strut 6 with a projection 22 .
- This projection 22 extends away from the first mounting rail beyond the second mounting rail 5 .
- the overhang 22 may be used to receive an end of a first actuator (not shown).
- the first actuator can be arranged essentially vertically on the tool carrier side or on a side of the second mounting rail 5 facing the soil working elements 18 . This enables a particularly compact design of the pivoting device 1 .
- Tillage implement first support rail
- First support rail second support rail
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
- Agricultural Machines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022103171.3A DE102022103171A1 (de) | 2022-02-10 | 2022-02-10 | Schwenkvorrichtung für ein landwirtschaftliches Bodenbearbeitungsgerät |
| PCT/DE2023/100103 WO2023151757A1 (de) | 2022-02-10 | 2023-02-08 | Schwenkvorrichtung für ein landwirtschaftliches bodenbearbeitungsgerät |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4475656A1 true EP4475656A1 (de) | 2024-12-18 |
Family
ID=85283962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23705946.4A Pending EP4475656A1 (de) | 2022-02-10 | 2023-02-08 | Schwenkvorrichtung für ein landwirtschaftliches bodenbearbeitungsgerät |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4475656A1 (de) |
| DE (1) | DE102022103171A1 (de) |
| WO (1) | WO2023151757A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20260101832A1 (en) * | 2024-10-16 | 2026-04-16 | Deere & Company | Row unit linkage assembly and method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2605017A1 (de) | 1976-02-10 | 1977-08-11 | Amazonen Werke Dreyer H | Maschine zum einbringen von saatgut und duenger in den boden |
| AUPM366794A0 (en) * | 1994-02-03 | 1994-02-24 | Ausplow Pty Ltd | Improvements in or relating to seeding machinery |
| CA2591379C (en) * | 2007-06-12 | 2011-03-29 | Bourgault Industries Ltd. | Parallel link mounting arm for a furrow opener |
| DK177543B1 (en) | 2012-11-26 | 2013-09-23 | Thyregod As | Inter-row cultivator |
-
2022
- 2022-02-10 DE DE102022103171.3A patent/DE102022103171A1/de active Pending
-
2023
- 2023-02-08 WO PCT/DE2023/100103 patent/WO2023151757A1/de not_active Ceased
- 2023-02-08 EP EP23705946.4A patent/EP4475656A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023151757A1 (de) | 2023-08-17 |
| DE102022103171A1 (de) | 2023-08-10 |
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