DE1931796B2 - Tractor drawn soil working device with implements - has guides which allow components bearing beams to pivot relative to main frame - Google Patents

Abstract

The device can be raised from ground contact by the tractor hydraulic system. The frame carries a large number of narrow soil working implements e.g. harrows etc. which can be arranged in working or transport positions so that the device is narrower in its transport status than in its operative status. It has the component parts mounted onto the system by means of guide devices which allow the component arms to be pivoted relative to the main frame. Three guides lie behind one another in the transport status and extend lateral to the direction of travel of the device.

Description

The invention relates to a soil cultivation device for tractor train, which is attached to a tractor attachable and can be lifted off the ground by means of a lifting device arranged on the tractor, with several independently adjustable on the ground in the direction of travel relatively narrow on a common Frame held device parts, such. B. Bodenenkrümlern or spade Rolleggen in a working position and can be brought into a transport position, the device having a smaller width in the transport position has than in the working position in which the device parts are arranged side by side or staggered so that the working width of one device part laterally adjoins the working width of the neighboring device part.

In the construction of tillage implements

the tendency is towards the working width more and more tu increase in order to be able to fully utilize the tractive effort of the tractor. With such work equipment that only require a relatively low pulling power per meter of working width, which z. B. for harrows and Soil crumbs applies, working widths that are greater than three meters are often achieved. The Road Traffic Licensing Regulations however, writes a maximum permissible transport width on public transport routes from three meters in front. In order to achieve greater working widths than three meters despite this regulation can, are in various known constructions side parts of the soil cultivation device for Transition to a transport position so far inwardly that the transport width is at most three Meter is.

The present invention is particularly concerned with soil cultivation implements in which the implement parts are relatively narrow, which z. B. for spade crumblers. Roller crumblers and field rollers apply

In a known soil cultivation device, which is designed as a narrow secondary harrow (German Utility model 19 35 774). side panels are linked to a center panel by means of bars. At the The harrow side panels are moved into the transport position by pivoting the bars Lowered tines on the top of the center field. Another well-known one Soil cultivation device (German utility model 19 89 215) are side parts of a roller crumbler swiveled around a horizontal axis by 180 ° and with the support structure for the rollers Lowered down onto the middle rollers. According to a known narrow Harrow (U.S. Patent 30 28 920) Harrow side panels folded inwards so that their prongs point upwards.

In all of these known devices, relatively large physical forces are required to to fold the side parts of the device inwards, since the center of gravity of the side parts is up first is raised and then partially lowered again, with the side panels to avoid damage need to be drained slowly. In order to reduce the physical strength, auxiliary devices have also been used proposed in the form of springs (US Patent 29 74 738). when lowering the center of gravity the side parts are stretched and relaxed when the center of gravity is raised.

Also known is a disc harrow (DT-AS 10 17 397) that can pivot two about vertical axes Has sets of disks. The purpose of this suspension is the inclination of the discs with respect to the To be able to change the direction of travel. The various setting options for the pulley sets are exclusively for the soil cultivation provided, but not for the purpose of achieving a small transport width.

Also known is a trailer device (FR-PS 5 72 320) that is pulled by means of a drawbar. The device cannot be attached to a tractor in such a way that it can be lifted by means of a lifting device arranged on the tractor can be lifted off the ground. When moving from the transport position to the working position the following work must be carried out. First of all, the rear part of the device must be separated from the front part of the device be uncoupled. Then the front part of the device must be moved so that it is in front of the rear part of the device «Tf> hi Then the device parts have to be connected to each other be coupled and finally the drawbar has to be! be moved. These operations are proportionate laborious and take some time.

Finally, a device is also known (US-PS 12 93 600) in which again only the working width can be adjusted is. A reduction of the boards for transport purposes is not intended. The adjustment is so powerful and labor-intensive that it is practically impossible for the transition from the working position to a traniport position could be made. Four screws would have to be loosened, then the rollers would also have to be great effort to be moved in the direction of their axes of rotation, after which the four screws again are to be used. The device according to this US-PS is not an attachment either

The invention is based on the object of designing a soil cultivation device of the type mentioned in such a way that only small physical forces are required to move the device from the working position to the transport position without relief devices in the form of springs or the like.

This object is achieved according to the invention in that the device parts by means of guide devices are guided on the frame, with which the device parts while maintaining their height relative to the frame are displaceable towards the center of the device and one behind the other in the transport position in a manner known per se lie and extend essentially transversely to the direction of travel.

A shift of the device parts from one position to the other is therefore with little physical strength possible because the device parts are lifted from the ground during adjustment and their altitude is relative to the Do not change the frame during the adjustment. So there is no need to overcome ground resistance to become, uplifting work still has to be done, so that only frictional forces are to be overcome, which are thanks the guide devices can be kept low. Both the workload in the physical The sense and the time required to carry out the adjustment are low, the former thanks to the retention the altitude, the latter thanks to the guiding devices that bring the machine parts into their correct position, without the device parts having to be aligned with one another by eye, as is the case with the Device according to the discussed FR-PS 5 72 320 is the case. The invention is in particular also for soil cultivation devices suitable that only have two adjacent parts of the device. With the ones used so far Folding constructions, folding through 180 ° was only possible if there was a central field to which the could be placed on the side of the device. With the device according to the invention, however, come the Device parts lying one behind the other as seen in the direction of travel and maintaining their horizontal position. A There is therefore no placement on other parts of the device.

One embodiment of the invention relates to a soil cultivation device in which the device parts ir The top view, seen in the working position, include different angles with the direction of travel. One such an arrangement of the device parts is z. B. be Spaten-Rolleggen common, with two parts in be arranged essentially V-shaped to each other. In such a device with V-shaped angedrdnetei Device parts is provided according to the invention that the device parts both pivotable and longitudinally are held slidably on the frame. This Anordnuni enables the device parts in one another

to bring parallel position so that they can lie close to one another in the transport position.

In such a device with pivotably and slidably arranged device parts is according to a Embodiment of the invention for each device part on the frame a pivotable about a vertical axis Fastened guide part, in which engages a guide strip running along the associated device part, with at least one locking means, preferably a strut, between the frame and the device part Holding the device part is provided in the inclined working position.

Another embodiment of the invention relates to a soil cultivation device in which the device parts in seen in the top view are parallel to each other in the working position, with one with the direction of travel Can include angles of 90 °. In such a soil cultivation device are according to the invention Device parts in the working position, seen transversely to their longitudinal extension, at least by their width offset from each other and in a straight line towards the center of the tractor for the transition to the transport position movable. With such a device, horizontal Bars, preferably pipes, can be arranged along which the device parts can be displaced.

According to a further development of the invention, the device parts are around a horizontal, along the bar extending axis pivotable into a position in which the centers of gravity of the device parts vertically below of the bar. Such a design has the advantage that in the raised position of the device (The shift is made in this position) the bar does not absorb any torques must be, which would then be exerted if the weight force a lever arm around the pipes could exercise. This avoids jamming on the beam, so that the parts of the device are easy to move move along the bar.

Each device part can be attached to a sliding part that can be displaced along the transverse beam so as to be pivotable about a horizontal axis extending transversely to the direction of travel. A force, preferably the force of a compression spring of a resilient support strut, can counteract an upward pivoting of the device part. In such a development of the device, the device parts can execute movements with respect to the frame due to their pivotable arrangement and thus adapt well to uneven floors. The use of a resilient support strut allows it. to load the device parts with a greater force than the weight due to their own weight.

Preferably, a coupling device for attachment behind another soil cultivation device z. B. a harrow is provided. This coupling device can enable a rigid coupling with the front-mounted device and have a height adjustment device that allows the height of the device to be changed in relation to the other front-mounted soil cultivation device. In this height adjustment device, a resilient member. 7. B. a compression spring can be provided, against the force of which the soil cultivation device can be moved upwards. With the help of such a device , it is possible to control the height of a combination of devices, the 7 B of a harrow and a .ichten roller crumbler behind this harrow, by suitable adjustment of the height of the roller crusher.

The invention is applicable to various devices and device combinations. So can the device

z. B. be a spade roller harrow or a roller crumbler. The built-in device can be a scrim that is combined, for example, with a roller crusher. There can be two or more sliding ropes Device parts be provided.

ίο In the drawing Ausführungsbeispiclc of the invention are shown. It shows

Fig. 1 is a plan view of a soil cultivation device according to a first embodiment with device parts in the working position,

F i g. 2 shows a plan view of the device according to FIG. 1 with device parts in the transport position.

F i g. 3 shows a side view of the device in the direction of arrow III in FIG.

Fig. 4 is a plan view of a device combination according to a second embodiment of the invention with device parts in the working position,

F i g. 5 shows a side view of the device according to FIG. 4 in the direction of arrow V in F i g. 4 and

F i g. 6 is a plan view of the device according to FIGS. 4 and 5 when in the transport position Device parts.

The device according to FIGS. 1 to 3 has a total of 1 designated frame and two attached to this Spaten-Rolleggen 2 and 3.

The frame 1 has a sturdy longitudinal beam 4 protruding crossbeams 5 and 6 are attached. This frame part from the bars 4, 5 and 6 is about a Height adjustment device 7 (see FIG. 3) attached to a coupling device 8.

The height adjustment device 7 has a bracket 9 to which the bar 4 is screwed by means of screws 10. Two guide pins 20.21 extend between the legs of the bracket 9. which also reach through the legs of a further bracket 12. In the upper leg of the bracket 12, a threaded spindle 13 is screwed, on which a hand crank 14 is located. On the threaded spindle there is a collar 15. Clamp 9 presses. On the bracket 12, arms, which are arranged in a V-shape relative to one another, are fastened, namely upper arms 17, 18 and, parallel to them, lower arms, of which, however, in FIG. 3 only one arm 19. Namely the arm located below the arm 17 is visible

Guide pockets 22 and 23 are pivoted on the frame 1

attached to the bar. The guide pockets are around joints 2 ' or 25 pivotable. The guide pockets have one

U-shaped cross-section and are open at the bottom. the

Guide pockets are used to reach around Längsbai ken 26th which extend over the entire length of the Spaten-Rolleggen 2 and 3. These beams have downwardly directed approaches 2 \ (Fig. 3) at their ends. at which the camp 28 for the consecration

are located on which the work tools 29 attach are. On each guide pocket 22 there is a locking bolt 30 for locking the Balkei 26 on the pockets 22. Furthermore, bolts 31 are arranged on the locking pockets for rollers, which with de

Underside of the beam 26 cooperate.

To brace the Spaten-Rollegge 2 and 3 in their working position, each Spaten-Rollegge is a strut 3! assigned with one end at 33 at the end '

of the associated bar 5 or 6 and with their another linden tree at 34 on the longitudinal beam 26 of the associated Spatenkrümlcrs angclenki isi. Furthermore is on each of the bars 5 and 6, a pressure block 35, which is used to absorb vertical forces, is disordered and across the beams 26 as an upper guide extends.

As shown in FIG. 1, the spade rollers are located 2 and 3 in the working position in such a position that them with the beam 4, which runs along the working direction runs, include an angle. Should now from the in F i g. I working position shown in the transport position are passed over, the spade roller 3 is first released after loosening the locking bolt 30 in FIG. 1 shifted to the left as seen. As a result of the articulation via the strut 32 acting as a link the point 34 describes the dash-dotted circle 36 and finally reaches the end position 34 '. At this Position of the device part 3 is fully inserted. It is now approximately symmetrical to the longitudinal center of the device, the is also defined by the bar 4. in which position the longitudinal beam 26 is approximately at right angles to the Beam 4 lies. The pivoted-in position is again defined by means of the locking bolt 30, the again through the pocket and a locking hole 37 (see Fig. 1) is inserted.

To insert the device part 2 must be pulled out with crowded: he construction of the Anienkungsboizen 38 of the strut 32. The device part 2 can then be pivoted into a position parallel to the crossbar 5. Then the locking bolt 30 is pulled and the device part 2 is brought into the position shown in FIG. The strut 32 is now connected again to the beam 26 by inserting the bolt 38. Like Fi g. 2 shows, in the pushed-in position (transport position), the device part 2 lies exactly behind the Geraieiei! 3. The transport width Bj achieved here is much smaller than the working width S ₄ . For example, with a working width of about 5 m, a transport width of about 2.70 m can easily be achieved.

The construction can also be carried out in this way (e.g. by increasing the distance between device parts 2 and 3 from each other) that loosening the bolt 38 is not necessary. to slide in the device part 2.

The spade roller cage according to the invention can in combination with a front-mounted device part. z. B. a harrow can be used to control the depth of the harrow. For this purpose, the height adjustment device 7 used. It is clear that by actuating the crank 14 accordingly, the two spade rollers 2 and 3 can be set higher or lower relative to the front part of the device, making this front part Part of its altitude changes relative to the soil to be worked.

In Figures 4 to 6 is a combination device trained embodiment of the invention shown. The combination device consists of one front harrow 39 and one as a roller crumbler

40 trained floor crumbs. the one at the harrow 39 is grown.

The harrow 39 with harrows 79 has a middle field

41 and two side panels 42 and 43. which are linked to the center panel 41 by means of cicnkbol / en 44 It is: possible to use the side panels 42 uiid 4i um uie (ieicnikbdlziT. 44 um ISO to sthw beekeeper .. ^v o that oil- ■■ »V-.uT.teidc; 42. 4Ϊ .iut das Mitteile!«.! 41 jufgeie ^ 'Ww «.:. ■■, k." C ¹ A ₁ In ₁ Kh ui «.': .. S '"" brcitc Jv Striegelcsge 39 is approximately equal to the width of the central field 41. A three-point tower 45 is arranged on the central field 41, which allows the device to be coupled to the three-point linkage of a tractor Three-point linkage and bolt holes 47 for the attachment of the upper link.

Long transverse tubes 50 and 51, on which longitudinal beams 52, 53 and 54 are fastened by means of brackets 55. The longitudinal beam 53 is straight, while the beams 52 and 54 on their

if. rear ends are bent outwards and the The beam 52 is longer than the beam 54 - The beam 53 is extended by a plate 56. Between A transverse tube 57 extends between this plate 56 and the beam 54 and between the plate 56 and the beam 52 a cross tube 58.

On the cross tube 57 is the first part 59 and on the cross tube 58 is the second part 60 of the two-part roller crumbler 40 attached. Each of the roller crumbles 59 and 60 has a tube 61 which extends over the entire length of the associated roller extends. At the ends of the tubes 61 bearing plates 62 are attached to which the shaft 63 of the roller crumbler 59 is mounted.

6 on each tube! two lugs 64 are attached, where there are articulated arches 65. These hinge pins engage in lugs 66 of a support tube 67 one, which is rigidly connected to a U-shaped sliding part 68, which the associated tube 57 or 58 encompasses.

On the part 68 bolts 69 are provided, which the free Donate! of the bow-shaped part 68 connect to one another. Not shown sit on these bolts Roles, the contour of which is preferred to the outer contour of the tube 57 is adapted and which can roll on the tube. Furthermore, a 68 is on the sliding part Locking bolt 70 is provided which both the two legs of the sliding part 68 and the tube 57 takes action.

Parallel sheets 71 are welded to the sliding part 68 and project upwards (see also FIG. 5). Between A hinge pin 72 extends over the metal sheets 71, by means of which a strut 73 is articulated to the metal sheets 71. the Strut 73 is resilient and has telescoping parts 74 and 75. The against the pressure of a Helical compression spring 76 can be pushed in incine.

As can be seen in particular from FIG. are on the tubes 61 two parallel plates 77 attached, between the upper ends of a pivot bolt 78, which serves to articulate the rear ends of the struts 73.

The combination device according to Figures 4 to 6 wire handled as follows.

In the working position, which is shown in Fig.4 are the side fields 42 and 43 of the harrow 3 < unfolded. The sliding parts 68 are on the Querroh

for 57 and 58 pushed all the way out. The Gera now has a total width of B.,. the z. B. 5 m canr When working with the device, the soil is first worked with the tines 79 of the harrow. The zinc egg are swivel-mounted and can counteract a

'"■ Spring force to r.over, evade The whale crumble 40 rests with its two parts 59 and 60 on the floor cu.i P c Vvjl / on roll aiii over the floor un / krru'iu-; i.ihc the. Boden. Diu ViH.ige takes place no

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• ur due to its own weight, but also on lirund the spring force of the struts 73, the. how easy to Seeing is. around the joint bolts 65 a torque ■ exercise and in this way for an appropriate Ensure that the rollers are pressed against the floor. In the working position, the sliding parts 68 are miltcls Arretierungsbolz.cn 70, which reach through the tubes 57, 58, locked in their working position.

When moving into the transport position, which is shown in FIG. b, the side panels 42, 43 of the harrow 39 are folded in and the parts 59 and 60 of the roller crumbler 40 are pushed inward. For this purpose, the locking bolts 70 are pulled out of their associated holes. The device is now raised with the aid of the lifting hydraulics of the tractor, the parts 59 and 60 of the roller crumbler sinking due to the torque exerted by their weight towards the ytenu until their center of gravity is below the axis of the tubes 57 and 58, respectively. Only then are the parts 59.0 shifted towards the center of the device, the weight being transferred to the cross tubes 57, 58 via the rollers sitting on the bolt 69. There is therefore essentially rolling friction, so you can move the crumbles slightly inwards. In the innermost position, which is shown in FIG 57 and 58 succeed. (g F i. 6) In the Transporlstcllung the two parts 5S and 60 of the Walzenkrümler lying parallel behind one another. the transport width Bi is now defined by the outermost ends of the beams 52 and 54. They may, at the

ίο the aforementioned working width of 5 m a measure of 2.60 m.

When moving from the transport position to the working position, before lowering the device, open the bottom the equipment 59, 60 moved to the outside. Only then is the device drained, after placing the rollers on the ground, the device parts 59, 60 rotate around the tubes 57, 58 until they have taken up their working position. In this working position, the sliding parts 68 are by means of Arretierungsbolz.cn 70 held so that pivoting about the cross tubes 57, 58 no longer is possible.

For this purpose 4 sheets of drawings

Claims (16)

Patent claims: 1. Soil cultivation device for tractor train, which can be attached to a tractor and by means of an am Lifting device arranged on the tractor can be lifted from the ground, with several independently on the Floor adjustable in the direction of travel relatively narrow on a common frame held device parts, such. B. Soil crumbs or Spaten-Rolleggen, which can be brought into a working position and a transport position, wherein the device in the transport position has a smaller width than in the working position, b of the Device parts are arranged side by side or staggered in such a way that the working width of a device part laterally adjoins the working width of the adjacent implement part, characterized in that that the device parts (2,3; 59,60) by means of guide devices (22, 26; 57, 58) on the frame are performed, with which the device parts (2, 3; 59. 60) while maintaining their altitude relative to Frame (1; 52, 53, 54) can be moved towards the center of the device and in the transport position (FIG. 2: FIG. 6) lie one behind the other in a manner known per se and extend essentially transversely to the direction of travel. 2. Soil cultivation device in which the device parts are seen in the top view in the working position Include different angles with the direction of travel, characterized in that the device parts (2, 3) are held both pivotable and longitudinally displaceable on the frame (1). 3. Soil cultivation device n ^ ch claim 2, characterized in that for each device part (2, 3) on the frame (1) one around a vertical axis (24, 25) pivotable guide part (22) is attached, in which a longitudinal to the associated device part (2, 3) extending guide bar (26) engages and that between frame (1) and device part (2,3) at least a locking agent. preferably a strut (32) for holding the device parts (2. 3) in the Working position is provided (F i g. 1 to 3). 4. Soil cultivation device according to claim 1, wherein the device parts seen in plan view in the Working position are parallel to each other and with the direction of travel an angle of z. B. 90 '' include, characterized in that the device parts (59, 60) in the working position transverse to their longitudinal extension is offset from one another by at least their width and in a straight line to Are displaceable towards the center of the device. 5. Soil cultivation device according to claim 4, characterized in that the frame transversely to Horizontal bars (57, 58), preferably tubes, extending in the direction of travel, are arranged longitudinally which the device parts (59, 60) are displaceable (Fig. 4 to 7). 6. Soil cultivation device according to claim 5, characterized in that the device parts (59,60) lim a horizontal axis running along the bars (57, 58) can be pivoted into a position, in which the centers of gravity of the device parts (59, 60) lie vertically below the bar (57, 58). 7. Soil cultivation device according to one or both of claims 5 and 6, characterized in that that each device part (59, 60) on a sliding part (68) which can be displaced along the upper beam (57, 58) is mounted pivotably about a horizontal axis extending transversely to the direction of travel. 8. Soil cultivation device according to claim 7, characterized in that pivoting of the device part (59, 60) upward a force, preferably the force of a compression spring (76) a counteracts resilient support strut (73). 9. Soil cultivation device according to one or more of the preceding claims, characterized characterized in that the frame has a coupling device (8; 55) for attachment behind a other tillage device (front device), e.g. B. has a harrow (39). 10. Soil cultivation device according to claim 9, characterized in that the rigid with the Front unit connected coupling device (8) has a height adjustment device (7), for. B. with Spindle (13) and spindle nut, which height adjustment device (7) changes the height of the device compared to the previous device. 11. Soil cultivation device according to claim 10, characterized in that the height adjustment device (7) is a resilient member, e.g. B. a compression spring (16) contains, against the force of which the tillage device moves relative to the front device can be moved at the top. 12. Soil cultivation device according to one or more of the preceding claims, in particular according to claims 1 to 3, characterized in that the device is a spade roller harrow is (Figs. 1 to 3). 13. Soil cultivation device according to one or more of the preceding claims, in particular according to claims 4 to 11, characterized in that the device is a roller crumbler (40) is. 14. Soil cultivation device according to one or more of claims 9 to 13, characterized characterized in that the device is a harrow (39). 15. Soil cultivation device according to one or more of the preceding claims, in particular according to claims 1 to 3 and 12, characterized in that two device parts are provided are. 16. Soil cultivation device according to one or more of the preceding claims, in particular according to claims 4 to 11 and 13, 14, characterized in that more than two device parts are provided.