DE2844235A1 - HAY ADVERTISING MACHINE - Google Patents

Description

Klöckner-Humboldt-Deutz AG branch in Fahr 7702 Gottmadingen

Haymaking machine

The invention relates to a haymaking machine with a cross member that can be connected to a tractor and on which Swiveling and lockable support arms are articulated about vertical axes, which are seen in the direction of travel essentially extend to the rear and at their ends can be driven about standing axes by swiveling and lockable running wheels Have supported rake wheels.

In such haymaking machines, the center distance of the rake wheels can be adjusted by pivoting the support arms around their Articulation axis on the cross member changed in a simple manner will. Especially with universal haymaking machines, which are suitable for tedding and swathing, the center distance of the two rake wheels arranged next to one another must be larger when swathing than when tedding.

Through the DE-AS 15 O? 239 is a haymaker

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Sehine of the type mentioned has become known in which two -Dragarme are hinged to a cross member, each carrying a Hechrad at their free end detectable. This allows different center distances between the "two coulter wheels" to be set. For the "times" process, the hitch wheels are so close to each other that they intersect the zinceri tracks The haywheels can also be moved as close as possible to one another so that the machine is as narrow as possible for transport.

When swiveling the support arms into the various viewing swivel positions, the running wheels supporting the rake wheels must be reset by the same swivel angle so that they are always in the direction of travel. To this Purpose are the machine according to DE-AS 15 07 239 vertical pivot axes of the wheels with a lever firmly connected to which a control rod is articulated with

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engages at its other end rotatably on the fixed cross member.

The invention is now based on the object of the possible uses and applications of the known haymaking machine to increase and improve even further and the conversion of the machine for di.e different work processes to facilitate.

According to the invention, this object is achieved in that a connecting frame for coupling the haymaking machine to the cross member is hinged to a tractor about a vertical axis pivotable and lockable.

In order to spread the hay to one side, the dex cross member is opposite the rotating wheels when it is positioned the connection frame can be pivoted to the left or right about the vertical axis and can be locked in this position.

A lateral offset of the Heuschv / ades is obtained when the cross member is in the swath position opposite the rotating wheels the connection frame can be pivoted to the left or to the right about the axis on the connection frame and in the pivoted out position Position is lockable.

A large side swath on the left or right side is achieved by moving left or right

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With the cross member pivoted out, the direction of rotation of the rake wheel located further back in the direction of travel can be reversed is, so that both rake wheels promote to one side, and that the support arms of the rake wheels with respect to the cross member so are far-pivoted that the orbits of the prongs almost touch.

Two small swaths are achieved by reversing the direction of rotation of the rake wheel located further forward than the other rake wheel in the direction of travel, so that both rake wheels
Convey to the swiveled-out side.

So that the wheels of each rake both "with.
Pivoting the support arms relative to the cross member and "when pivoting the cross member relative to the connecting frame are always placed in the direction of travel, a vertical pivot axis of each wheel is articulated via a control rod with the cross member and the connecting frame.

A simple control of the impellers results

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in that the vertical pivot axis of each impeller one has a lever directed towards the center of the machine, to which one end of the control catch is hinged and which row end with the one pointing away from the center of the machine Arm of a two-armed angle lever is articulated, which is rotatably mounted on the cross member and its forward-facing second arm is connected to a further control rod which is articulated on the connection frame.

Vortexly, the vertical axis between the lead frame and cross member lies on the longitudinal center axis of the Haymaking machine.

The advantages that can be achieved with the invention are in particular that the rake wheels can be pivoted twice according to the invention a variety of different operations with a single machine by simple Allow adjustment measures. In addition, the impellers due to the inventive arrangement of the control rods with each individual or joint pivoting process the support arms or the cross member are always automatically placed in the direction of travel, which reduces the operating effort is greatly degraded;

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The invention is based on the following description and the schematic drawings, the exemplary embodiments represent, explained in more detail. Show it

Fig. 1 is a plan view of the haymaking machine according to the invention when tedding to the side with counter-rotating rake wheels.

Fig. 2 shows the haymaking machine according to Fig.1, however

with rake wheels rotating in the same direction, adjusted to form a large side swath,

Fig. 3 the haymaking machine according to FIG. 2 with pivoted apart Support arms to form two small swaths,

4 is an enlarged plan view of the haymaking machine according to Fig. 1 with automatically adjustable wheels and

5 shows an enlarged plan view of the pivoting device and impeller adjustment the haymaking machine according to FIG. 4

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The haymaking machine according to Fig. 1 consists of a cross member 1, which protrudes backwards at its ends Has support arm 2. The support arms 2 can be pivoted and locked about vertical axes 3 with respect to the cross member 1 stored. At the free end of each support arm 2, a rake wheel 4 and 5 is rotatably arranged about a vertical axis 6. The drive of the two rake wheels takes place via a central gear (not shown), which is arranged on the cross member 1 and from which chain or V-belt drives lead outwards to the ends of the cross member 1. From there the drive is made via a cardan shaft that is connected to a The stub axle of the outer deflection wheels of the chain or V-belt drives is connected to the rake wheels 4 and 5 brought. The central gear has a switching option for reversing the direction of rotation of one of the two rake wheels. From a tractor, not shown, the central gear is driven in a known manner via a cardan shaft.

On the cross member 1 is a connecting frame 7 for coupling the haymaking machine to the three-point linkage
of the tractor articulated. A vertical connecting axis 8 around which the cross member 1 is pivoted and pivoted out in the

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Location can be determined, is in the middle of the connection spaces and arranged on the cross member 1. Like in Pig. 1 shown, the cross member 1 is opposite the connection frame 7 according to swiveled to the left and locked in this position. The support arms are pivoted so far that the tine tracks 9 of the Rake wheels 4 and 5 overlap or touch. Both rake wheels 4 and 5 are driven in opposite directions, so that the hay, which is brought together by the rake wheels at the front, goes backwards and forwards is spread to the side to the left. In this position the machine is suitable for tedding to the left. By pivoting the cross member 1 to the right, the eeu is scattered on the right side.

The B ¹ Ig. Figure 2 shows the haymaking machine in a position in which a large side swath is formed on the left side. The cross member 1 is _{swiveled out to the right and} locked. By switching the central gear, the left rake wheel 4 receives the same direction of rotation as the right one The right rake wheel 5 transfers the raked hay to the left one

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Right wheel 4- where there is a large side swath on the left Page is dropped.

In Fig. 3 the haymaking machine is set so that two small swaths arise. The cross member 1 is pivoted to the left. The left right wheel 4- is located Seen in the direction of travel in front of the right raking wheel 5 · The The direction of rotation of the rake wheels 4 and 5 is set in the same direction. The support arms 2 are pivoted outward so that between the tine tracks 9 of the rake wheels 4 and 5 a free space to form a small swath. Each rake 4 and 5 clears according to its working width clear a strip of terrain and place the hay on the left. This creates two small side swaths. the for the control of the tines required control path must of course here in the for the time of Swath placement must be brought into the correct position. Since these are known processes, a more detailed explanation is given and graphic representation is omitted.

The position of the rake wheels when forming a large central swath is also not for the sake of simplicity shown graphically. The machine of Fig. 3 becomes

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For this purpose "brought into the middle position, Ms support arms 2 are spread even further so that a sufficiently large one "Tree for the swath to be formed is created, Bie Brehrielitung of the Bechrades 4 is ^ reversed, so that both sea wheels go in opposite directions circulate. Bie star tracks to control the tines must be brought back into the appropriate position, so that the hay between the two six-wheelers 4- and 5 of the Tines is released. The haymaking machine is thus in the familiar swath position.

Me the transport position of the haymaking machine the two support arms 2 are pivoted as far inwards as possible towards the center of the machine. When rake wheels 4 and 5 become twisted so that they interlock with their tine support arms. Badurch achieves the smallest possible machine width for road transport. These too The position of the haymaking machine is not shown, since it can be easily deduced from FIG.

The rake wheels 4 and 5 are each via an impeller 10 supported on the ground (Fig. 4). The running wheels 10 have vertical ones arranged coaxially to the axis 6 of the raking wheels 4 and 5 Pivot axes 11, with which each impeller "to the

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Axis 6 is pivotable and lockable. The pivot axis 11 carries at its upper end a pointing towards the center of the machine Lever 12, the free end of which is connected to a control rod 13 is articulated. The other end of the control rod 13 is hinged to a two-armed angle lever 14. Of the Angle lever 14 is rotatably mounted on the cross member 1. Since a control rod and an angle lever are provided for each impeller 10 is, the two angle levers 14 are each in the outer area of the cross member 1. The angle lever 14 are arranged so that the arm 15 connected to the control rod 13 to the outside and the other arm 16 is directed forward. A left and a right control rod leads from the arms 16 of the two angle levers 14 17 and 18 inside to the machine center. The inner ends the control rods 17 and 18 are provided with an adjusting plate 19 of the connection frame 7 articulated (Fig. 5).

The adjusting plate 19 is rigidly attached to the lead frame 7 and has bores 20, which are on a Axis 8 drawn arc. On the same arc there is a hole 21 which is in one with the Cross member 1 firmly connected pull tab 22 is located. With

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The aid of a hand plug 23, which passes through each one of the bores 20 and the bore 21, the cross member 1 with respect to the lead frame 7 may i ⁿ its different pivot positions are locked.

If the haymaking machine is to be brought into a different working position, the manual plug 23 must first be released. Thereafter, the cross member 1 can be pivoted about the axis 8 of the connection frame 7 to the left or to the right. During the pivoting process, the control rods 17 and 18 are supported on the stationary adjusting plate 19. In this case, the angle levers are rotated 14 and via the control rods 13, the pivot axes 6 of the wheels 10 so pivoted _t that they are always available in each pivoting position of the cross member 1 in the predetermined by the tractor and the frame 7, the direction of travel of the haymaking machine.

The same, automatic Einttellvorgang the Laufräd.er TO also occurs when the support arms 2 are pivoted about the axes 3 relative to the cross member 1. From the dashed illustration, in Fig. 4 is eraicht-

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Lich that the impeller 10 even when the support arm 2 is swung out is again in the direction of travel of the haymaking machine. The same effect occurs when the cross member 1 and the support arms 2 are pivoted at the same time.

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Claims (7)

Pat ent claims Haymaking machine with a cross member which can be connected to a tractor and which can be pivoted about vertical axes and lockable support arms are articulated which, viewed in the direction of travel, extend substantially to the rear and at their ends drivable around standing axes, supported by swiveling and lockable running wheels Have six wheels, characterized in that a connection frame (7) for coupling to the cross member (1) the haymaking machine is hinged to a tractor about a vertical axis (8) so that it can be pivoted and locked. 2. Haymaking machine according to claim 1, characterized in that that the cross member (1) in the Zettposition of the raking wheels (4,5) relative to the connecting frame (7) around the vertical Axis (8) can be swiveled to the left or to the right and can be locked in this position (Fig. 1). 3. Haymaking machine according to claim 1, characterized in that that the cross member (1) in the swath position of the rake wheels (4-, 5) opposite the connecting frame (7) to the left -2- 030017/0224 INSPECTED or pivotable to the right about the axis (δ) and in the can be locked in the swiveled-out position. 4. Haymaking machine according to claim 1, characterized that when the cross member (1) is swung out to the left or to the right, the direction of rotation of the in the direction of travel seen further to the rear rake wheel (4; 5) is reversible, so that both rake wheels (4,5) after a Convey the side and that the support arms (2) of the rake wheels (4,5) are pivoted so far with respect to the cross member (1), that sicTi almost touch the tine tracks (9) (Fig. 2). 5. Haymaking machine according to claim 1 »characterized in that that when the cross member (1) is swung out to the left or to the right and the support arms (2) are in the swath position the direction of rotation of the rake wheel located further to the front in relation to the other rake wheel (4; 5) is reversible, so that both rake wheels (4,5) convey to the swiveled-out side (Fig. 3). 6. Haymaking machine according to one or more of claims 1 to 5 »characterized in that the running wheels (1G) of each rake wheel (4,5) vertical swivel axes 03001 7/0224 (11) have control rods (13,17,18) with the cross member (1) and the connecting frame (7) are articulated. 7. Haymaking machine according to claim 6, characterized in that the vertical pivot axis (11) of each impeller (10) has a lever (12) directed towards the center of the machine, to which the control rod (13) is articulated and the other end with an arm (15) of a two-armed angle lever (14) pointing away from the machine center is articulated, which is rotatably mounted on the cross member (1) and its forward-facing second arm (16) is connected to a further control rod (17; 18) which is articulated on the connection frame (7). η 3o η 17 / ο? ?