REDUCTION OF SHARE WEAR

Abstract

The present invention relates to a soil tillage implement having soil tillage tools in particular tine-type tools such as wing share cultivator tines or goosefoot share cultivator tines, and a centre longitudinal axis, wherein the soil tillage implement comprises a number n of soil tillage tools, which are arranged in one or more tool rows following one another in the working direction and oriented transversely to the working direction, and comprises a number s of disc tools which are arranged in one or more disc rows following one another in the working direction and oriented transversely to the working direction and located in the working direction in front of the soil tillage tools. The soil tillage tools comprise at least a first tool region and a second tool region and the first tool region, through its exposed arrangement, is subjected to greater wear than the second tool region. The invention furthermore relates to a method for producing such a soil tillage implement.

Claims

1. A soil tillage implement (10) having a number n of soil tillage tools (12), in particular tine-type tools such as wing share cultivator tines or goosefoot share cultivator tines, wherein the soil tillage tools (12) are arranged in one or multiple tool rows (16.1 . . . 16.3) following one another in the working direction (A) and oriented transversely to the working direction (A), wherein the soil tillage tools (12) comprise at least a first tool region (20) and a second tool region (24) and wherein the first tool region (20), through its exposed arrangement, is subjected to greater wear than the second tool region (24), wherein the soil tillage implement (10) furthermore comprises a numbers of disc tools (14), which are arranged in one or more disc rows (18.1, 18.2) following one another in the working direction (A) and oriented transversely to the working direction (A) which lie in the working direction (A) in front of the soil tillage tools (12), wherein each of the disc tools (14) has an individual lateral disc distance (ds) from a centre longitudinal axis (22) of the soil tillage implement (10), wherein the first tool region (20) of each of the soil tillage tools (12) has an individual first lateral tool distance (dw1) and the second tool region (24) of each of the soil tillage tools (12) has an individual second lateral tool distance (dw2) from the centre longitudinal axis (22) of the soil tillage implement (10), which deviates from the individual first tool distance (dw1), characterised in that the disc tools (14) and the soil tillage tools (12) are arranged in such a manner that each first tool region (20) with the first lateral tool distance (dw1) is assigned a disc tool (14) with the lateral disc distance (ds) in such a manner that the first lateral tool distance (dw1) is equal to the lateral disc distance (ds).

2. The soil tillage implement (10) having soil tillage tools (12), in particular tine-type tools such as wing share cultivator tines or goosefoot share cultivator tines, and a centre longitudinal axis (22), wherein the soil tillage implement (10) comprises a number n of soil tillage tools (12), which are arranged in one or multiple tool rows (16.1 . . . 16.3) following one another in the working direction (A) and oriented transversely to the working direction (A), and comprises a number s of disc tools (14) which are arranged in one or more disc rows (18.1, 18.2) following one another in the working direction (A) that are oriented transversely to the working direction (A) and are located in the working direction (A) in front of the soil tillage tools (12), wherein the soil tillage tools (12) comprise at least a first tool region (20) and a second tool region (24) and wherein the first tool region (20), by way of its exposed arrangement, is subjected to greater wear than the second tool region (24), characterised in that the disc tools (14) and the soil tillage tools (12) are arranged in such a manner that each first tool region (20) is assigned a disc tool (14) in such a manner that the first tool region (20) is arranged aligned in the working direction (A) behind the disc tool (14).

3. The soil tillage implement (10) according to claim 1, wherein the soil tillage tools (12) are wing share cultivator tines or goosefoot share cultivator tines, which comprise a share tip (13) and two wings each with a wing end (15.1, 15.2), wherein the share tip (13) and the two wing ends (15.1, 15.2) form the first tool region (20) and the wings (17.1, 17.2) form the second tool region (24).

4. The soil tillage implement (10) according to claim 1, wherein the soil tillage tools (12) partly overlap one another in the working direction (A), wherein in particular the wing ends (15.1, 15.2) of the wing share cultivator tines or goosefoot share cultivator tines overlap one another in the working direction (A), and wherein the overlap region, in which the soil tillage tools (12) overlap one another in the working direction (A), is part of the first tool region (20).

5. The soil tillage implement (10) according to claim 1, wherein the soil tillage tools (12) each comprise a share tip (13), which forms at least a part of the first tool region (20), wherein the number s of the disc tools (14) is equal to the number n of the soil tillage tools (12).

6. The soil tillage implement (10) according to claim 1, wherein the soil tillage tools (12) each comprise one or two wing share ends (15.1, 15.2), which forms or form at least a part of the first tool region (20), wherein the number s of the disc tools (14) in each case is greater or smaller by one than the number n of the soil tillage tools (12).

7. The soil tillage implement (10) according to claim 1, wherein the number s of the disc tools (14) in each case is greater or smaller by one than twice the number n of the soil tillage tools (12).

8. The soil tillage implement (10) according to claim 1, wherein the respective outermost disc tools (14) and the directly adjacent disc tools (14) have a throwing direction (W2) directed to the inside towards the centre longitudinal axis (22).

9. The soil tillage implement (10) according to claim 1, wherein the soil tillage implement (10) comprises a frame in order to arrange the soil tillage tools (12) over a frame area, and a running gear having at least one main wheel, wherein the running gear is arranged within the frame area in such a manner that with respect to the working direction (A) in front of an preferably behind the running gear as well as to the left and right of the running gear at least one soil tillage tool (12) is arranged.

10. The soil tillage implement (10) according to claim 1, wherein the disc tools (14) are hollow discs, by way of which a throwing direction (W1, W2) each is defined, wherein the throwing directions (W1, W2) of hollow discs (14) lying in the working direction (A) one behind the other are opposite to one another.

11. The soil tillage implement (10) according to claim 1, wherein on both sides outside the centre longitudinal axis (22) the same number of disc tools (14) per row are arranged.

12. The soil tillage implement (10) according to claim 9, wherein some soil tillage tools (12) are arranged on a middle frame segment and of these two or more soil tillage tools (12) form a tool row (16.1) located furthest in the working direction (A) in front of the running gear and, wherein preferably in each case a plurality of soil tillage tools (12) is arranged on a left lateral frame segment and a right lateral frame segment, wherein the lateral frame segments are each foldable relative to the middle frame segment about a folding axis running parallel to the working direction in order to switch the soil tillage implement (10) between a working position and a transport position, wherein preferably the running gear is arranged on the middle frame segment and wherein optionally support wheels are arranged on the lateral frame segments.

13. A method for producing a soil tillage implement (10) according to claim 1, characterised in that the disc tools (14) and the soil tillage tools (12) are arranged in such a manner that each first tool region (20) with the first lateral tool distance (dw1) a disc tool (14) with the lateral disc distance (ds) is assigned in such a manner that the first lateral tool distance (dw1) is equal to the lateral disc distance (ds).

14. The method for producing a soil tillage implement (10) according to claim 7, characterised in that the disc tools (14) and the soil tillage tools (12) are arranged in such a manner that each first tool region (20) is assigned a disc tool (14) in such a manner that the first tool region (20) is arranged aligned in the working direction (A) behind the disc tool (14).

Description

[0038] Further advantages and further developments of the invention are obtained from the following figure description and the totality of the claims.

[0039] FIG. 1 shows a schematic plan view of an arrangement of soil tillage tools and disc tools according to a preferred embodiment.

[0040] FIG. 2 shows a schematic perspective representation of the arrangement from FIG. 1.

[0041] FIG. 3 shows a schematic front view of a preferred embodiment in which the elements lying aligned one behind the other are noticeable.

[0042] In the following description, same reference numbers are used for same or corresponding elements and a repetitive description is largely avoided.

[0043] FIG. 1 shows a schematic plan view of an arrangement of wing share cultivator tines 12 and hollow discs 14 according to a preferred embodiment of a wing share cultivator 10. The wing share cultivator tines 12 each comprise a first tool region which, in the shown embodiment, is located at the share tip 13 (see FIG. 2) of the wing share cultivator tine 12 and at the wing ends 15.1, 15.2 of the same. The first tool region 20 is a region of the share at which the same is subjected to greater wear than in a second tool region 24, which in the present example extends between the share tip 13 of the wing share cultivator tine 12 and the wing ends 15.1, 15.2 of the same and in the present context is referred to as wing 17.1, 17.2 (see FIG. 2).

[0044] The wing share cultivator tines 12 in the shown arrangement are arranged in three tool rows 16.1, 16.2, 16.3. From a wing share cultivator tine 12 arranged in a rear tool row 16.3 a wing share cultivator tine 12 of the tool row 16.2 located in the working direction A in front thereof lies displaced by a third of the mutual tine spacing bz between adjacent wing share cultivator tines 12 of the rear tool row 16.3 to the inside towards a centre longitudinal axis 22 of the wing share cultivator 10. This relative arrangement of wing share cultivator tines 12 also exists between the wing share cultivator tines 12 of the middle tool row 16.2 and the front tool row 16.1.

[0045] For each wing share cultivator tine 12, an individual first tool distance dw1 or an individual second tool distance dw2, each to the centre longitudinal axis 22 can be determined for each of its regions, namely the first tool region 20 and the second tool region 24. In the embodiment shown in FIG. 1, a small first tool distance dw1, a slightly greater second tool distance dw2, an even slightly greater further first tool distance dw1, an even slightly greater further second tool distance dw2 and an even slightly greater further first tool distance dw1 is noticeable on a selected wing share cultivator tine 12. In other words, the two wing ends 15.1, 15.2 form the smallest and the greatest first tool distance dw1, the share tip 13 of the wing share cultivator tine 12 forms the middle first tool distance dw1 and between these first tool distances dw1, second tool distances dw2 each are defined by the wings 17.1, 17.2 of the wing share cultivator tines 12 subjected to less severe wear.

[0046] In the working direction A in front of the wing share cultivator tines 12, multiple hollow discs 14 are positioned in disc rows 18.1, 18.2 that are arranged one behind the other in the working direction A and running transversely to the working direction A. However, in contrast with the prior art, the hollow discs in this preferred embodiment are arranged so that they, more precisely their cutting region engaging in the soil, are always positioned accurately aligned in front of one of the first tool regions 20 of the wing share cultivator tines 12. In other words, a lateral disc distance ds of at least one of the hollow discs 14 to the centre longitudinal axis 22 is equal, for each first tool region 20 of each of the wing share cultivator tines 12, to the corresponding first tool distance dw1.

[0047] Thus, the wear of the share tip 13 or of the wing end 15.1, 15.2 of the wing share cultivator tines 12 is reduced. Furthermore, the pulling-in behaviour of the shares 12, in particular in the case of shallow cutting angles or clearance angles is improved in this manner in that the soil already lies in front by way of the hollow discs 14.

[0048] For this purpose, the hollow discs 14 each define a throwing direction W1, W2, wherein the hollow discs 14 of the front disc row 18.1 define a first throwing direction W1 away from the centre longitudinal axis 22 and the hollow discs 14 of the rear disc row 18.2 a second throwing direction W2 towards the centre longitudinal axis 22.

[0049] FIG. 2 shows a schematic perspective representation of the arrangement from FIG. 1, wherein the reference numbers mark same elements. In this representation, the individual regions of the wing share 12 are better noticeable than in FIG. 1. In particular, the share tip 13 in this representation is better noticeable than in FIG. 1. The share tip 13 is followed on both sides by the wings 17.1, 17.2 each of which terminate in a wing end 15.1, 15.2.

[0050] FIG. 3 shows a schematic front view of a preferred embodiment, in which the elements located aligned one behind the other are noticeable. Here, the first tool regions 20 and second tool regions 24 should be emphasised in particular which, adjoining, lie next to one another. An overlap region 26 of two first tool regions 20, namely of the wing ends of two different wing share cultivator tines 12 is particularly clearly noticeable in this view. One of the hollow discs 14 lies in front of the overlap region and is thus jointly assigned to one of the first tool regions 20 of the two wing share cultivator tines 12.

BEZUGSZEICHENLISTE

[0051] 10 Wing share cultivator [0052] 12 Wing share cultivator tine [0053] 13 Share tip [0054] 14 Hollow disc [0055] 15.1, 15.2 Wing end [0056] 16.1 . . . 16.3 Tool row [0057] 17.1, 17.2 Wings [0058] 18.1, 18.2 Disc row [0059] 20 First tool region [0060] 22 Centre longitudinal axis [0061] 24 Second tool region [0062] 26 Overlap region [0063] bz Tine spacing [0064] ds Disc distance [0065] dw1 First tool distance [0066] dw2 Second tool distance [0067] A Working direction [0068] W1 First throwing direction