DE102020132186A1 - Disc for an agricultural implement, preferably for creating a furrow - Google Patents

Abstract

The invention relates to a disc (100) for an agricultural implement, preferably for producing a furrow, with a first side (10) and a second side (20), the first side (10) having an indentation (11) and the second side (20) for attaching a bearing arrangement (30) for the disc (100), a plurality of through-openings (40) for the passage of fastening elements (50) for preferably releasably fastening the bearing arrangement (30), the through-openings (40) in the indentation (11) and wherein the through-openings (40) in the indentation (11) have widened opening diameters (41).

Description

The invention relates to a disc for an agricultural implement and in particular a disc for creating a furrow such. B. a seed furrow.

Discs, in particular coulter discs, for producing a seed furrow are known in various embodiments in the prior art. The discs are usually part of coulters, where appropriate z. B. so-called single disc or double disc coulters are possible. The seed coulters can be used to deliver seed into the seed furrows. In EP 2 434 860 A1 e.g. B. is already disclosed a disc in various embodiments for generating a seed furrow. The disc has an indentation in which a bearing assembly for the disc is located. The disc has a relatively large depth dimension. A large depth can be disadvantageous because it takes up a relatively large amount of space on the sowing coulter.

One object of the invention is to provide an alternative and/or improved disk, in particular for producing a furrow, preferably a disk that takes up little installation space, particularly in the axial direction of the disk.

This problem can be solved with the features of the main claim. Advantageous developments are disclosed in the dependent claims or result from the following description of preferred exemplary embodiments of the invention.

The invention relates to a disk for an agricultural implement, preferably for a sowing coulter.

The disc can in particular be a so-called coulter disc.

The disc is used in particular to produce a furrow, in particular a seed furrow in a field.

The disk comprises a first side (e.g. a particularly concave inner side) and a second side (e.g. a particularly convex outer side), the first side having an indentation and the second side being suitable for attachment of a bearing arrangement (e.g A rotary and/or hub bearing) is designed for the disc.

The indentation on the first side preferably forms an indentation on the second side, the indentation being designed in particular for attachment of the bearing arrangement.

The disk comprises a large number of through-openings (e.g. at least six through-openings) for the passage of fastening elements (e.g. screws or in particular threaded bolts) for the preferably detachable fastening of the bearing arrangement, it being possible for the through-openings to open into the indentation.

The disc is characterized z. B. characterized in that the through-openings in the indentation have widened opening diameter.

The widened opening diameters are used in particular for at least partial accommodation, e.g. B. at least partially countersinking mounting heads (z. B. screw heads or bolt heads) of the fasteners. This makes it possible for the disk to have a relatively small depth in its axial direction, despite the mounting elements, and thus to take up relatively little installation space.

It is possible that the widened opening diameters are formed as part of a preferably conical countersink, although z. B. cylindrical countersinks are possible.

The conical countersinks can preferably have an opening angle of z. B. less than 95 ° and / or greater than 85 °, preferably an opening angle of essentially 90 °.

The indentation can B. include a plan section.

The planar section can preferably form a bottom section of the indentation.

The plan section can, for. B. have a flat surface on the first side and / or a flat surface on the second side.

The through-openings can be z. B. extend through the plan section.

It is possible that the expanded opening diameters are formed in a plane surface of the plane section.

It is possible that the countersinks z. B. protrude more than 1.2mm and / or less than 2.8mm into the disc, especially in the planar section.

The disc can z. B. have a central axis, in particular an axis of rotation. The central axis can e.g. B. define an axial direction of the disc.

It is possible for the through-openings to extend through the pane essentially parallel to the central axis.

The plan section can be z. B. substantially perpendicular to the central axis.

The indentation can B. be generated by a particular central plate-shaped portion of the disc.

The indentation and / or the plate-shaped portion of the disc can, for. B. have a clear depth, in particular in the axial direction of the pane, of expediently less than 3.5 mm, in particular less than 3 mm, and/or greater than 1 mm.

The disc can have a maximum depth of z. B. have less than 11mm.

The indentation and/or the plate-shaped portion can e.g. B. are formed by the planar section and a ring-shaped, tapered to the plan section edge area.

The disc preferably comprises a z. B. conical portion in particular radially outside the indentation and / or the plate-shaped portion.

The portion outside the indentation can, for. B. expediently have a concavity of greater than 0.5° and less than 2° on the first side and/or the second side, in particular relative to a reference plane aligned at right angles to the central axis.

Alternatively or additionally, it is z. B. possible that the edge area and the partial area are aligned differently outside of the indentation. Thus e.g. B. a differentiation (z. B. a kink or a change of direction) between the edge area and the portion outside of the indentation can be generated. The edge area and the portion outside the indentation can, for. B. differently inclined, differently curved and / or oriented in different directions.

The partial area outside the indentation can preferably directly adjoin the indentation, in particular the edge area, and/or the plate-shaped partial area.

It is possible that the indentation and/or the plate-shaped portion has an outer diameter of z. B. greater than or equal to 100mm and / or less than 130mm is limited.

The planar section can preferably have an outer diameter of z. B. larger than 70mm and / or smaller than 100mm.

The indentation can create a bulge on the second side.

It is possible for the bulge to have the planar section, in which case the planar section can be designed in particular with its planar surface on the second side as an attachment surface (e.g. assembly and/or connection surface) for the bearing arrangement.

The plan section can, for. B. form a bottom area of the indentation and/or a peak area of the bulge.

The planar section can preferably be formed on the first side for convenient attachment of mounting heads of the fasteners and/or formed on the second side for attachment of the bearing assembly.

The disc can z. B. a preferably substantially circular central receiving hole for z. B. have at least partially recording the bearing assembly.

The receiving hole can suitably essentially centrally z. B. in the indentation, be formed in the planar section and / or the bulge.

The receiving hole is z. B. formed as a preferably the disc penetrating through hole.

It should be mentioned that the through-openings are preferably arranged essentially parallel to one another. The expanded opening diameter can, for. B. be aligned substantially parallel to each other. As an alternative or in addition, the countersinking depressions can also be aligned essentially parallel to one another.

It should also be mentioned that the planar section can preferably extend in a ring shape around the receiving hole.

It should also be mentioned that the bearing arrangement z. B. may include a pivot bearing and / or z. B. may include a hub bearing.

The invention also relates to a disc assembly as disclosed herein and a the second side mounted bearing assembly for the disc. In particular, the bearing assembly may be mounted on the bulge, e.g. B. on a flat surface of the plan section.

It is possible that the fasteners, in particular their mounting heads, by less than 8mm, less than 7mm or less than 6mm z. B. expediently protrude in the axial direction of the disc from the widened opening diameters to the first side, and / or z. B. essentially flush (appropriately with a maximum deviation of +/- 1mm or +/- 2mm) with a particular in the axial direction and / or radial direction of the disk outermost peripheral edge of the disk.

The peripheral edge can, for. B. be continuously circumferential (e.g. substantially circular) or intermittent (e.g. having notches or recesses) circumferential.

The peripheral edge can, for. B. form a particular peripheral cutting edge.

On the one hand, mounting heads of the fastening elements can preferably be arranged in the widened opening diameters, in particular the countersinking depressions, while on the other hand the fastening elements can preferably be releasably engaged with the bearing arrangement.

This makes it z. B. possible to expediently exchange a defective (z. B. worn) disk and / or a defective (z. B. worn) bearing arrangement.

It should be mentioned that the arrangement z. B. can be part of a coulter, wherein the bearing assembly can preferably protrude into a depth control roller of the coulter.

• 1 zeigt eine Draufsicht auf eine Scheibe gemäß einem Ausführungsbeispiel der Erfindung,
• 2 zeigt eine Schnittansicht entlang Linie A-A der 1,
• 3 zeigt eine Detailansicht der 2,
• 4 zeigt eine Detailansicht der 3,
• 5 zeigt eine Schnittansicht einer Anordnung mit der Scheibe der 1 bis 4 und einer montierten Lageranordnung, und
• 6 zeigt eine perspektivische Ansicht der Anordnung der 5.

The preferred exemplary embodiments and features of the invention described above can be combined with one another. Other advantageous developments of the invention are disclosed in the dependent claims or result from the following description of preferred exemplary embodiments of the invention in conjunction with the attached figures.

• 1 shows a plan view of a disc according to an embodiment of the invention,
• 2 shows a sectional view along line AA of FIG 1 ,
• 3 shows a detailed view of the 2 ,
• 4 shows a detailed view of the 3 ,
• 5 shows a sectional view of an arrangement with the disk of FIG 1 until 4 and an assembled bearing assembly, and
• 6 shows a perspective view of the arrangement of FIG 5 .

the 1 until 4 show different views of a disc 100, in particular a coulter disc, for an agricultural implement. Disc 100 is described collectively with reference to FIGS 1 until 4 described.

The disc 100 is used to create a furrow, in particular a seed furrow in a field, and is preferably part of a sowing coulter, not shown. The disk 100 can e.g. B. be used for so-called single disc or double disc coulters. Seed can be placed in the furrow using the sowing coulter.

The disk 100 includes a first side 10, e.g. B. a suitably concave inner side, and a second side 20, z. B. a suitably convex outside. The first side 10 has an indentation 11 , the indentation 11 producing a bulge on the second side 20 .

The bulge and thus the second side 20 is for the placement and attachment of an in 2 Bearing arrangement 30 shown very schematically (e.g. 5 and 6 ) designed for the disc 100. The disc 100 has a central receiving hole H for receiving the bearing assembly 30 in sections. The disc 100 also has a central center axis A, which can form an axis of rotation when the disc 100 is in operation.

The disc 100 comprises a multiplicity of through-openings 40 (in the discussed exemplary embodiment, six through-openings, with in 1 for the sake of clarity, only one through-opening is provided with the reference number 40) for the passage of fastening elements 50 (e.g. 5 and 6 ) for preferably releasable attachment of the bearing assembly 30. The fasteners 50 can, for. B. screws or threaded bolts. The through openings 40 open into the indentation 11.

The indentation 11 can be produced in particular by a plate-shaped partial area 14 of the pane 100 .

The indentation 11 and thus in particular the plate-shaped portion 14 can, for. B. by a planar portion 12 and an annular extending, tapering to the planar portion 12 edge region 13 are formed.

Outside, preferably radially outside of the indentation 11 and thus in particular outside of the edge region 13 and the plate-shaped portion 14, the disk 100 includes a portion 15. The portion 15 can z. B. be substantially conical and preferably a concavity K of z. B. greater than 0.5 ° and less than 2 °. The edge area 13 and the partial area 15 are appropriately oriented differently, e.g. B. differently inclined, differently curved and / or oriented in different directions, so that a differentiation (z. B. a kink or change of direction) between the edge region 13 and the portion 15 is generated.

The planar section 12 extends essentially at right angles to the central axis A and forms a bottom area of the indentation 11 on the first side 10 and a top area of the bulge on the second side 20 .

The through-openings 40 have in the indentation 11, in particular in the planar section 12, widened, z. B. parallel to each other aligned opening diameter 41 on.

The widened opening diameter 41 are in particular as part of a z. B. conical countersink 42 is formed. The countersinks 42 have z. B. an opening angle of about 90 ° and can z. B. about 2.2 mm in the disc 100, in particular the planar section 12 protrude.

The through openings 40 preferably extend through the pane 100 parallel to the central axis A of the pane 100 .

The planar section 12 is used on the first side 10 for the appropriate placement and/or fastening of mounting heads of the fastening elements 50 and on the second side 20 for the attachment of the bearing assembly 30.

The disk 100 is relatively flat and can have a maximum depth T1 in the axial direction of the disk 100 of z. B. have less than 11mm.

The indentation 11 and z. B. the plate-shaped portion 14 in the axial direction of the disk 100 can have a clear depth T2 of z. B. less than 3.5mm and greater than 1mm.

Reference E designates an outermost peripheral edge of the disk 100 in the axial and/or radial direction of the disk 100. B. can be formed intermittently circulating and thus z. B. may include notches or recesses.

the 5 and 6 show different views of an arrangement 200 with the disk 100 of FIG 1 until 4 and a bearing arrangement 30 mounted on the second side 20 for, in particular, rotatably supporting the disk 100, wherein in 6 for the sake of clarity, only one fastening element is provided with a reference number 50 .

The fastening elements 50, in particular their mounting heads, protrude by preferably less than 8mm from the widened opening diameters 41 into the indentation 11 and can be flush with a maximum deviation of z. B. +/- 1mm or +/- 2mm with the peripheral edge E aligned.

The arrangement 200 can e.g. B. be part of a coulter, not shown, the bearing assembly 30 z. B. can protrude into a depth control role of the seed coulter in order to advantageously achieve a compact design.

The invention is not limited to the preferred embodiments described above. Rather, a large number of variants and modifications are possible, which also make use of the idea of the invention and therefore fall within the scope of protection. In addition, the invention also claims protection for the subject matter and the features of the subclaims independently of the features and claims referred to.

Reference List

10

first page

11

indentation

12

plan section

13

tapering section

14

Plate-shaped section

15

Section outside the indentation and z. B. the plate-shaped portion

20

second page

30

bearing arrangement

40

passage openings

41

expanded opening diameter

42

countersinks

A

Central axis, preferably axis of rotation

T1

maximum depth of the disc

T2

Clear depth of the indentation and z. B. the plate-shaped portion

K

concavity

E

peripheral edge

H

receiving hole

50

Fasteners, preferably screws or with z. B. Threaded Bolts

100

disc

200

arrangement

QUOTES INCLUDED IN DESCRIPTION

This list of the documents cited by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent Literature Cited

• EP 2434860 A1 [0002]

Claims (10)

Disc (100) for an agricultural implement, preferably for creating a furrow, with: - A first side (10) and a second side (20), the first side (10) having an indentation (11) and the second side (20) for attaching a bearing arrangement (30) for the disc (100) is formed , - A plurality of through-openings (40) for the passage of fastening elements (50) for the preferably detachable fastening of the bearing arrangement (30), the through-openings (40) opening in the indentation (11), wherein - The through-openings (40) in the indentation (11) have widened opening diameters (41). disc (100) after claim 1 wherein the flared opening diameters (41) are formed as part of a countersink (42), preferably as part of a conical countersink (42). disc (100) after claim 1 or 2 , wherein the countersinks (42) protrude more than 1.2 mm and less than 2.8 mm into the disc (100). Disc (100) according to any one of the preceding claims, wherein the indentation (11) comprises a planar section (12) and the through openings (40) extend through the planar section (12) and preferably the widened opening diameters (41) in a planar surface of the plan section (12) are formed. Disc (100) according to any one of the preceding claims, wherein the disc (100) has a central central axis (A) and - the through-openings (40) extend through the pane (100) essentially parallel to the central axis (A), and/or - The planar section (12) extends substantially at right angles to the central axis (A). Disc (100) according to any one of the preceding claims, wherein - the disc (100) has a maximum depth (T1) of less than 11mm, and/or - the indentation (11) and/or a plate-shaped partial area (14) of the pane (100) producing the indentation (11) has a clear depth (T2) of less than 3.5 mm and greater than 1 mm. Disc (100) after one of Claims 4 until 6 , wherein the indentation (11) is formed by the planar section (12) and an annular edge area (13) tapering to the planar section (12) and the pane (100) has a section (15) outside the indentation (11) comprises, wherein the outside of the indentation (11) formed partial area (15) has a concavity (K) of greater than 0.5° and less than 2° and/or wherein the edge area (13) and the outside of the indented (11) formed partial area (15) are oriented differently. Disc (100) after one of Claims 4 until 7 , wherein the indentation (11) on the second side (20) creates a bulge and the bulge comprises the planar section (12), wherein the planar section (12) on the second side (20) as a mounting surface for the bearing assembly (30) is trained. Disc (100) after one of Claims 4 until 8th wherein the disc (100) has a central receiving hole (H) for receiving the bearing assembly (30) in sections, and the receiving hole (H) extends through the planar section (12). An assembly (200) comprising a disc (100) as claimed in any preceding claim and a bearing assembly (30) for the disc (100) mounted on the second side (20), the fasteners (50) being less than 8mm, less than 7mm or protrude less than 6mm from the widened opening diameters (41) and/or are aligned flush with an outermost peripheral edge (E) of the disc (100) on the first side (10) with a maximum deviation of +/- 2mm.

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