Soil cultivating implements

The invention relates to a tillage machine with a plurality of tool gyros, with a rotatable behind this floor support for adjusting the working depth of the tool gyro and with a connection for at least one additional device.

A become known tillage machine of this type (DE-OS 1940988) has indeed in the ⁵ Proven practice, but under certain circumstances, especially when using machines with great

Working width, the mobility of the device during operation sometimes too limited.

It is therefore an object of the invention to increase the mobility of the attachment relative to the tillage machine during operation. This goal can be achieved according to the invention in that a connection an upward, in the direction of travel before the¹⁰ Floor support lying pivot axis has.

Thanks to this construction, such a movement possibility for the attachment is created that even with a large working width occurring during operation movements of the soil working machine can not affect the effect of the attachment.

An expedient arrangement of the connection results when the connection on a transverse to ¹⁵ Traveling direction extending, the gyro supported frame part is arranged.

An advantageous position of the terminal is further achieved when the terminal is in a plane containing the axes of rotation of the gyro.

The invention together with its further advantages and features is explained in more detail below with reference to an exemplary embodiment, which is illustrated in the drawings. It show Fig.l²⁰ 2 is a view in the direction of the arrow II of Fig.l, Figure 3 is an enlarged Darsteüung a view along the line III-III of Fig.l, Figure 4 is a view along the Line IV-IV of Figure 3, Figure 5 is a schematic plan view of the tillage machine and connected to these seeders when cornering and Figure 6 in side view of the tillage machine and seeders in TransportsteUung.

The tillage machine shown in the drawings has a gesture with a box-shaped Gestütüteü -l- from sheet steel running transversely to the direction of travel - A--. The Gestüüteü -1- has a box beam -2- and one below the same Hende end pan -3-, wherein the longitudinal center line of the support -2- and the tub --3-- at least almost horizontal and paraüel to each other. The box girder -2- has a nearly rectangular and the tub -3- one³⁰ in essence triangular cross section with the box girder facing base side. The box girder -2- consists of a lower and a upper part of sheet steel. Hiebei the Oberteü runs horizontally. In the edge region of the Oberteü is bent in the same way in the direction of the ground, the end wheels -4- over the entire length of the box girder -2- horizontal angled outwards (Figure 3). The lower part also has an essentially horizontal dimension, and he³⁵ is bent obliquely upward in the end regions in the same way. The upwardly and downwardly extending end portions of the lower and upper tea have approximately the same height. The end edges -5- of the upwardly directed portions are angled horizontally outward. The bottom of the tub -3- runs horizontally. He goes on its front and back in an obliquely upward section over, at the level of the lower part of the box girder one to the upward

Longitudinal sides of the Unterteilües inflicting, upwardly angled edge region. The end edge - 6- of the tub is angled outwards. The top and bottom sections of the box girder overlap each other with their end edges -4 and 5- with the interposition of a seal made of hard plastic -8- and are clamped against each other with the aid of threaded bolts -7-. The strip-shaped seal -8- has a within the box girder -2- Hegenden, thickened and hollow ausgebüdeten edge and an outwardly beyond the end edges -4, 5- protruding, thickened and massively tired edge whose outer side is rounded., The Wannde - 3-- forms with its end edge -6- at the bottom of the end edge -5- and is connected to the two edges -4 and 5- of the box girder by means of threaded bolts which lie between adjacent threaded bolts -7--. After loosening these threaded bolts, the tub can be removed from the box support -2- without ⁵⁰ the top and bottom are detached from each other.

The lower part of the box girder -2- and the tub -3- have at intervals of about 50 cm each ten adjacent to each other and one above the other Hiegende circular openings for bearing housing -9- for the camps of the -10- of tool gantries -11- on. Each bearing housing -9- is located with a

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Mounting flange -12- at the bottom of the tub bottom and is attached by means of threaded bolts -13- to this. The bearing housing -9- protrudes with a tapered upper end portion in the

Box girder -2-. At this end portion is a ring -13A-, whose down to the

Opening of the box girder -2- reaching edge with the help of threaded bolt -13B- at the lower part of the ⁵ Box girder is attached. Between the ring -13A- and the lower part of the box girder -2- is a seal. Another seal is housed in an annular groove in the upper end portion of the bearing housing -9-, so that the box girder is properly sealed against leakage of lubricant.

On the upper end of each shaft is seated within the box girder a gear -14- with io a diameter of about 50 cm, which engages respectively with the gears -14- adjacent shafts -10-. In the area of ​​the rear side of the frame part -1- an approximately centrally located drive shaft -15- is provided with a gear which meshes with the gear -14- a likewise central shaft -10-. The drive shaft -15- is supported in bearings in the lower and upper part of the box girder - 2- and protrudes into a above the box girder arranged gear housing -16-. Within the gearbox housing -16- the drive shaft -15- is connected via a bevel gear with a shaft -17 lying in the direction of travel, which projects from the gearbox housing and is connected to the tapping point of a tractor by means of an intermediate path can.

A tool carrier -21- with its hub -20- is pushed onto the downwardly projecting, splined end of each weed and secured with the aid of a spring ring and a nut. Each carrier -21- has two interconnected plates -22 and 23-, the edges of which are angled by approximately 90 ° in the direction of each other. The edge of the upper plate -22- overlaps the edge of the lower plate -23-. Each plate -22 and 23- spaced at angular intervals of 120 ° to the We-10- arranged holes -24-, which correspond to holes in an arranged between the plates flange of the hub -20- (Figure 4).

Through holes in these holes, threaded bolts -25- are inserted, with the aid of which the plates -22 and 23- and the hub -20- are clamped against each other.

The plates -22 and 23- have the shape of triangles with rounded corners and inwardly curved side edges. The upper plate -22- has in its corners jeweüs a recess -26-, which is surrounded between the plates of a housing -27-. The housings -27- engage holes provided in the lower plate -23-, through which an axis -28- protrudes downwardly against the housing wall and extends to the recess -26- in the upper plate -22-. The shaft -28- abuts with a shoulder on the underside of the lower plate -23- and is secured by means of a threaded bolt inserted through an opening in the recess -26-. On each axis, the hub -30- of a carrier -31- is pushed, which is freely rotatable about the axis and three, about 120 ° with each other enclosing arms extending radially from the hub and obliquely to the ground. The arms are stiffened at their top and bottom with ribs and provided at their free ends with brackets -32- for the shaft downwardly directed tines -33-. The holder -32- taper upwards and have square, preferably square cross-section (Figure 4). The bearing opening of the holder -32- is equally angular in cross-section and adapted to the cross section of the Zinken40 shank, which is fixed in the holder by means of a screwed -34- on its upper, threaded end. The tine shaft tapers towards its free end and connects to a tine working part which is straight and tapered towards its free end. The work piece has an angular cross-section and can be arranged according to the angular cross section of the tine shank in four different directions. The longitudinal axes of the

Working parts and the shank make an angle of at least 15 ° with each other. In the position shown in FIG. 4, the workpieces are directed obliquely backwards in the sense of rotation of the supports 31 when the tool gyroscope 11 is forcibly driven in the direction indicated in FIGS. The tine groups work areas of about 20 cm in diameter.

At the side ends of the GestuUteues are vertical plates attached -35-, which protrude forward and so over the GestuUteü. On the front of the plates -35- is pivoted by means of a transverse pin -36- jeweüs a rearward arm -37-, whose free end at the level of the rear

End of the plate -35- obliquely backwards and angled to the ground. The angled arm ends carry a floor support -38- in the form of a follower roller with a support tube -39-, on the

- 4 No. 348809 plate-shaped supports -40- are attached. On the circumference of the plate-shaped supports -40- are longitudinal rods --41-- supported, which extend helically around the axis of rotation of the follower roller. The arms -37- can be fixed at different heights with the aid of a threaded bolt -42- which is inserted through an opening in the arm and through one of several openings -43- in the back of the plates -35-, to secure the floor support - 38- to adjust the height of the tines.

Near the rear of the frame part -1- is in the lower part of the plates -35- via a pin -44- (Figure 3) articulated a forward arm -45-, whose front end is angled towards the ground. At the front end of the arm by means of pins -46- a carrier -47- stored. This support -47- consists of two nested U-rails -48 and 49-, of which the U-rail -49- rests with their shorter legs on the legs of the outer U-rail -48-, that the free ends of all Legs at the same height. The two U-rails -48 and 49- are connected by paired threaded bolts -50-. The bolts -50- also serve to fasten strip-shaped deflectors -51- made of spring steel between the legs of the rail -49-. The deflectors are directed from the carrier -47- back and down and rich, seen in plan view, close to the work area of ​​the gyro -11-. As Fig.l shows, the deflector -51- before each gyro on different length, u.zw. in such a way that the length of the deflector lying in the direction of travel -A- in front of the rotary shafts -10- increases to both sides. In the area between adjacent rotors -11- the longest deflectors -51- of the associated deflector groups lie next to each other, while the shortest deflectors of each group lie in the direction of travel -A- in front of the rotors -10-.

On a tab -52- at both ends of the carrier -47- a rod -53- is hinged, which is guided through an opening in a support -54- on the arm -45-. On both sides of the support -54- the rod -53- is surrounded by compression springs -55- whose tension can be adjusted by means of a nut -56-. In the region of the ends are attached to the front of the frame part -1- upwardly directed pairs of supports -57-, between which an upwardly and rearwardly directed arm -58- is attached. The rear end of the arms -58- is provided on both sides with downward plates -59- which are secured to the back of the frame part -1-. The plates -59- together with a rearwardly facing part form tabs between which a downwardly directed support -60- is secured by means of a locking bolt -61-. At the lower ends of the support -60- an at least nearly horizontal beam -62- is arranged for flattening the floor, which runs transversely to the direction of travel -A- and parallel to a rotation axis of the gyro -11- connecting straight line. The beam -62- is designed as a hollow beam with an angular, preferably square cross-section (Fig.3).

The beam -62- is arranged such that a diagonal of its cross-sectional area extends vertically. At the bottom of the beam -62- is fixed an angle rail -63-, one leg of which is aligned with the downwardly and rearwardly facing front of the beam -62-. The angle rail carries pairwise arranged strip-shaped distributors 64, which lie in the direction of travel -A- * behind the region between adjacent rotors -11-. The distributors of each pair converge to and overlap each other with their curved, spaced-apart front ends. The distributors 64, which are made of elastic material, preferably sheet steel and whose height increases from the beam 62, are curved so as to be approximately coaxial with the axis of rotation of the gyros 11 and close to that of the tines -33- described lie track.

The beam -60- of the beam -62- is stainable with the aid of the locking bolt -61-, which can be inserted through a further opening -65- in the support -60-. About halfway up the support -60- has on its front side two tabs lying on both sides -66-, on which with the aid of a plug -67- the forked end of a rod -68- is fixed, which by a support -69 - Guided on the Gesteuüteü - 1- and surrounded on the side facing away from the carrier -60- side of a compression spring -70-. The compression spring is between the support -69- and an annular stop -71- at the end of the rod -68-. The carrier -60- can thus pivot about the locking bolt -61- against the force of the compression spring -70- backwards.

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At the front of the frame part -1- are attached approximately between the axes of rotation of adjacent gyros -11- bracket -72-- (Figure 3), at the front of a crumbing tool -73- is arranged from sheet steel. The crumbling tool -73- extends from its attachment point curved backwards and goes into a horizontal end portion, which extends to the axis of rotation of the gyros -11- containing plane and terminates in a point. The end portion of the crumbing tool is at the level of the tool carrier -21- the gyro -11-,

At a distance from its ends, the frame part -1- in the direction of travel -A- extending supports -74- on which by means of bolts -75- arms -76- are articulated. The arms -76- are freely movable in height about the pin axes and carry in operation vertically arranged plates -77-.

For attachment of the machine to the three-point lifting device of a tractor is centered on the frame part -1- a trestle -78- attached, on its upper side by obliquely downward and sideways struts -79- in the direction of travel - A- hegenden, on the Placed arranged carriers -80- is connected. At the top of the trestle -78- attack diverging struts obliquely downward, with the aid of which the trestle is supported at the rear end of extending in the direction of travel beam -82-. On each support -80- is centered an upward-angle rail -83- attached (Figure 3), which carries on its back a bracket -84- with horizontally backward thighs. The free end of the lower stirrup leg is bent down and attached to the carrier -80-. Between the legs of each strap, a bow-shaped pull arm -86- of an attachment -87-, such as a seed drill, can be connected via a plug-in pin -85-.

Each seed drill has a seed hopper -88- which is supported transversely to the direction of travel and is supported by two side-by-side wheels -89-. The working areas of the two, connected to the soil cultivation machine, juxtaposed seeders close together seamlessly (Fig.l). The mutually facing sides of the two reservoirs -88 have a bevel in the front region. On the underside of the container -88- are connected in a row side by side telescoping supply lines -90- for the seed, the lower parts of which are carrying the sowing tools -91- upwardly displaceable against the force of a spring and mounted on a common support -92-. The carrier -92- is connected at about half the length with an adjusting device -93- which is pivotally mounted between two tabs -94- on an axis -95- for the wheels -89-. On an upward arm of the adjusting device -93- a flexible actuator -96- is fixed, which is guided over a roller -97- in the region of the highest point of the arcuate Zugarmes -86- and at the upper end of the angle rail -83- attached. The common working width of the two seed drills is equal to the working width of ten rotors -11- and is in the described embodiment about 10 m. The seed drills can be driven via the wheels -89-.

In operation, the machine is connected to the three-point lifting device of the tractor via the attachment dock -78-. The gyros -11- are driven via the drive described above from the tractor PTO shaft in the direction of the arrows in Fig.l. In the inevitable rotation of the gyros, the three tine groups of each gyro rotate by ground engagement of the tines about the longitudinal centerlines of the axes. The tine groups of adjacent gyros have overlapping work areas. The crumbing tools -73- crumble along with the tines -33- the upper soil layer. Since the crumbing tools -73- are made of sheet steel and taper toward the rear end, stones and other hard floor items can be fed back without risk of damage. In addition, the hard soil components can not get between the tines of adjacent gyros and be trapped between the tines because the crumbing tools lie in the direction of travel - A- in front of the overlap region of the gyros. The deflectors located in front of the gyros -11- prevent the earth from shifting sideways in the area in front of the gyros, as they catch the earth pushed forward by the gyros and lead them backwards while driving. The deflectors grab under spring force into the ground and pull slots in the ground. As a result of their resilient training, the soil is also already partially crumbled by the deflectors. When encountering obstacles, the deflectors can swing upwards against the force of the compression springs -55- and avoid the obstacles.

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During operation, the arms -45- can be freely swiveled. However, the pivotal movement is limited downwards by a stop -98-.

In the working position of the machine, the beam lying between the floor support -38- and the rotors -11- assumes the position shown in FIG. The distributors divert the earth displaced backwards from the gyros -11- and distribute them evenly, so that a flat, flat seedbed is obtained. The seedbed is reworked from the ground support and pressed so that seed is introduced from the subsequent sowing machines in a ready-prepared seedbed. The two seed drills are independent of each other about the upwardly extending, lying in front of the ground support axis of the pin -85- swivel. The pivot axis is preferably in the plane containing the axes of rotation of the gyros -11-. The seed drills have such a working width that they can sow all the ground worked by the gyros. In addition, the seed drills can easily adapt to uneven floors. When driving in bends, the seed drills, due to their pivotal coupling on the GesteuUteü -1- with respect to the machine can pivot so that their work areas connect to each other (Figure 5). The chamfers on the mutually facing sides of the reservoir -88- hiebei allow unrestricted pivoting. As a result of the arcuate extension of the pulling arm, the seed drills can pivot as far as the soil cultivating machine, as shown schematically in FIG.

For transport, the tillage machine can be lifted with the lifting device of the tractor. In this case, the Steüeinrichtung -93- be pivoted about the flexible actuator -96- against the force of the supply lines -90- surrounding springs in the direction of the arrow in Figure 2 and the lower parts -91- the lines -90- pushed up, so they get off the ground. The arcuate extension of the pulling arm -86- prevents the bottom support -38- located behind the rotors from coming into contact with the pulling arms when lifting the soil cultivating machine. ^Λ

To the tillage machine can be in a simple way accessories, such as seeders, fertilizer spreader or the like. connect. The special extension of the coupling points for these accessories makes it possible to sow or fertilize when cornering.