DE1582906A1 - Copy control device for the tools of grape harvesting machines - Google Patents

Description

Paloniarwciife

ZELi ir mn and LUYKEN 158 29 OB

8000 MI; nc ti «η 22
Zweibrud-emtr, h

Ycc-roGcy-lriJ naucno-issiedovatoicicij 21. Düzoubcr 1967 in-titut vinogradaretva i vinodelija U / xIu l ^ ovocc-rliassk / USSE

Copy control device for the tools of grape harvesting machines

The invention relates to copy controllers for the V / u lic witnesses from V / einlesenia machines, in particular on iiopie! 'Control devices for following the shape of the Spaliordaclies through the oclineid device from W

They are IZopi ^ r control devices for the tools of i / oinl-j ssma machines, inabe special copy or control devices to. :·. I / aoüfahren the ITomi of the trellis roof through the Schneiae ^ oiüt of the V7ainlreadeinmaschinen known, in which the ICopieraochanismas des Schrieidegeräter; the grape harvesting machine by a hydraulic drive system with the adjusting device VCPouiVaoa iot (patent specification of the USA No. 2,893 19 ² O.

DL; ..- ^ iCofyioi-steuoi'oinri ^ htung owns a Kopieriiiechanisj.i-, ..-. J. Ls i., Ouli.d ± i £ U '<. Li. $ (JiL of the cutting device s by the Au '' ür - V. .. 'tjii ü-i ^ üchiu.-idGpjfiratc;.; on Vurf.prüa ^ o des Spalior - (. ·. ·. οπόw ' jiLu ^ toheii körmoii. thereby prevent should that the

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Roller of the copying mechanism is deflected from said beam.

The disadvantage of the known copy control devices is there in that they do not adapt to the shape of the trellis and do not compensate for inclinations of the tools Enable grape harvesting machine. In particular, allow the known Copy control devices do not align with a trellis roof, which is unevenly under the weight of the crop yield sags or whose tensioning wires are not evenly tightened and no compensation for inclined positions of the cutting device with respect to the trellis roof, which by Unevenness in the ground on which the grape harvesting machine is inclined between the trellises can be caused.

The purpose of the invention is to remedy the disadvantages mentioned. The invention was based on the object of a copy control device for the tools of the grape harvesting machine and in particular a Kopi ^ control device for following the Develop the shape of the trellis roof by the cutting device, which allows a precise assignment of the cutting edge of the cutting device q to the stalks of grapes regardless of an uneven Sag under the weight of the grapes and regardless of the inclined positions of the grape harvesting machine due to the unevenness of the ground between the trellises.

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This object is achieved in that on the grinder of the grape harvest machine has two copy mechanisms are arranged, which with at least two control valves located on the cutting device of the hydraulic system in Are connected, the cutting device with an adjusting device through which it can be moved on the Grape harvesting machine is attached.

It is expedient to design each copying mechanism in the form of a rotatably mounted, spring-loaded and curved plate and to connect the plate to a pin of the slide of the control valve via a coupling rod, as well as above the cutter of the grape harvesting machine behind the cutting edges "of the Schiieidgerätec.

The adjusting device ordered from two hydraulic ones Cylinders and at least one guide attached to the handle of the grape harvesting machine in which a rod slides, the is articulated to the cutting device.

The cutting device has two locking devices for independent use Switching on and off the copying mechanisms, which are provided with rotatably mounted, spring-loaded and curved plates that are connected to the • slides of the control valves via coupling rods and lever arms, and each other are above the cutting device behind its cutting.

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The rotatable, spring-loaded and curved flats of the Sp errvo! 'Directions are next to the curved plates of the Copy me chanismeii arranged on the carrier dec cutting equipment.

It is useful to connect the curved plates u; r Copy mechanisms with the pins on the slide of the control valves by tele sic ορ-like sleeves, between which a Spring is located to perform, with one sleeve aiii carrier of the cutter and the other sleeve rigidly attached to the curved plate of the copier mechanism.

The spring is supported: ait one end at the bottom of the ::; it firmly connected to the curved plate of the copier mechanism Sleeve and with the other end on the adjusting screw .-. L, the setting of the preculrraft of the ScImeidegorütG; .. ^ j. the trellis roof is used. The A; '., eil screw is in a · .: co-threading hole the sleeve attached to the carrier is screwed down and is at the end with a support surface for uio Foder Mistake.

The setting of the contact pressure of the cutting device c - ;. n Cvx .. Jr;: - lierdach can also be carried out with a compensator instead of the adjusting screw - what :; χ: .iit de ... the free end of the curved hat of the Kopieriiechanismuc is connected and cooperates with the control valve and the cylinder J.oa adjusting device.

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The ko: .i;> eii, ator is expediently in the form siiioi. Goaäuccs - .., io ^ e formed, in which see ciuo Fedor and a metal bellows located, whose inneiirauia by, a pipeline minor Cross-section with your control valve and the lower chamber dec cylinder3 of the actuating device is connected and the a spring coupled to the free end of the offered plate & lt is.

Iu. In the following, the invention will be illustrated by means of embodiments explained in the accompanying drawings.

the inventive principle circuit diagram of the copier, 'iteuereinrichtuiig for the tools of the vintage macc'iino. especially for riding the BOrm des Spaliox'daclieL; through the vintage scimeidi device

ITg. 2 üg .. ~ AucfülirungGbüispiel dor compound of the copy r - ,. ioo "ani Guus with doi.i pin 3, a -hieb rs of the control-T ^: itils and DIW A ,, coilvorrichtung for Reguli -.- tion the connection device to the opalierCach with liili.o from one part screw and! Or}

- ■ "--- ;.: · -'.- Aur. FLUi-xungsbeispiel dor adjusting device for iL · .; Higuli ^ iung α_ · χ · Force for pressing the Schnoide- ■ prLt-is on there ;. 3 _t . aJ.iürdach with the help of the Komponsa-

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I ¹ Ig. ^L V the compensator in the position of the uarinialoii loading of the cutting device through the trellis roof.

In the following, the invention is described as Kopierstcue! 'Facility fax "the tools dor V / reading machines" and using the example of driving the trellis roof through the The cutting device of the grape harvesting machine made understandable.

The copy control device comprises: copy mechanisms 1 and 2 mounted on the support J of the cutter 4 of the grape harvesting machine; Control valves 5 and 6 attached to the carrier 3 and operated by the copy mechanisms 1 and 2; an adjusting device 7 ₅ by which the position of the cutting de ge rates ¹ I- can be changed relative to the frame Q of the grape harvesting machine and is connected to the control valves 5 and 6; a hydraulic system 9 for operation of the copier control unit, which supplies the hydraulic fluid to the control valves 5, <j UUd to the drive 10 by which the cutting device is hydraulically actuated; Locking devices 11 and 12.

The copying mechanisms 1 and 2 of the copying mechanism are designed as curved plates 13, 1 ^z i-, which can be rotated with one end in the La ^ grate 11 en 'Vj. 1G on de.-i carrier;> are attached. In the middle part of the curved plat beil l;>, 'V \ - there are joints 17,' M, dio with coupling

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rods 19; 20 are connected, which in turn are coupled to pins 21, 22 of the slide of the control valves 5 and 6. Fades 2'y., 24 sit between the underside of the plates 13, 14 and the Ti-ager 5 to return the plates 1> 14 to their starting position.

The curved plates 1 >> 14 are located above the snow cutter 4 behind the cutting edges 2 '} deGsclben.

The cutting device 4 consists of two by a V-belt driven pulleys 26 and 27, on deiian the cutting edges 25 are attached.

The pulley 26 of the oclnitidgerätes 4 is through the i see drive 10 set in motion. The pulley 27 can be adjusted to change the lizuiencpaimuiig will. Tensioning rollers (not specified in the drawing) are arranged between the pulleys 26 and 27.

Da_- cutting device 4 can also be used in a different design we lead.

The control valves 5 and G have two slides and are rigidly attached to the carrier 3 of the Schn ^ idcgerätes 4, whereby a feedback in the interaction of the copying mechanisms I. 2 and the roof of the roof.

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The adjusting device 7 consists of two hydraulic cylinders 29, 30 with piston rods 51, 32 and two Fuürungen 53, 54 with 'rods 55,36.

Just like the cylinders 29 _; 30 with the liahmen α of the grape harvesting machine, the piston rods ΖΛ and 32 are articulated with the Trügor. The cylinders 29, 30 are connected to the hydraulic system via the control valves 5 and 6.

The guide 33 is rigidly attached to the frame 3, while the Rod 55 is attached to the support 5 in a swivel joint.

The guide is at the 34- Eahmen 8 and the rod 36 to the support - rotatably mounted.

The hydraulic system contains a gear pump 37? a control panel 53. throttles 59 ■> a hydraulic accumulator 40, a fine filter 41 for oil cleaning, a container '-i-2 for the hydraulic fluid, a pipeline system ¹ Vj and a pressure relief valve

The locking devices 11 and 12 v / iron curved plates 45 46 on .. which can be rotated with one end in the bearing point 4, ^. 48 are attached to the carrier 5. "The middle part of the curved plates 45, 46 are located on the underside of Gel Olli:".

an 49, 50 for Koppel s tai-gen 5I ₅ 52, which in turn Kopp ο 1-

rods 53 ·. 54 eyes are closed. Di y Loj]: cl :: ta.: Gen 53-5 ^; l

009819/0168 BADORJGiNAu

are also in joints at one end of the rotatable

poor

attached at '55 5 56, while the other end ο of the lever arms 55 5 56 with locking slides 57 ■> 53 of the control valves 5 »6 is in connection.

Between the underside of the plates 45, 46 and the carrier 3 are springs 59? 60 to reset the plates 45, 46 in the initial situation during operation.

The exemplary embodiment of the copy mechanisms 1 and 2 is shown in FIG Fig. 2 shown. The curved plate 13, 14 is rotatable attached to a protective housing 61 mounted on the carrier 3 and has a lever 62, which is connected to a sleeve 63, which is on the pins 21 and 22 of the sliding "borc dec control valve 5? 6 supports. Inside the sleeve there is a spring 64, which presses with one end against a Üin: partial screw 65. The adjusting screw 65 is seated in a sleeve 66 fixedly connected to the protective housing 61, which can move telescopically in the sleeve 63.

The adjusting screw 65 is used to regulate the force for pressing the SCxinoid device 4 against the trellis roof.

Djc Au;, example of the automatic control of the

The preijkraft of the cutting device on the trellis roof is shown in Fig. Ό .

... 10

009819/0168 _{ßAD c}

In this embodiment, the pressure force of the cutting device 4 is regulated with the aid of a compensator 6 ?. The compensator 67 has a cylindrical housing 63, inside of which there is a metal bellows 69 with a rod 71, a spring 72 and an adjusting nut 76. The rod 71 acts on the curved plates 13 ₅ 14 of the copying mechanisms 1, 2 via the spring 73.

The interior 7 ^ cLes metal bellows 69 is through a pipe 75 small cross-section at the bottom of the housing 68 with the control valves 5? 6 and the cylinders 29, 30 connected.

In Fig. 4 the compensator 67 is shown in a position in which the spring force of the springs 72 and 73 is at its greatest value owns. In this position the maximum of the force is

pressing the Schnoidgerätes on the trellis roof achieved what the greatest weight of the crop yield on the roof is equivalent to.

The operation of the copy control device according to the present invention will now be described explained with regard to the Wöinleso machine.

At the entrance of the grape harvesting machine into the gaps the trellis is set by the operator via the control panel 3B

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the hydraulic drive and the copy control device in operation. The pressure of the hydraulic fluid generated by the gear pump 37 is supplied to the pressure chamber of the control valves 5x6. Since at this point in time there is still no contact between the cutting device 4 and the trellis roof, the plates 45.4-6 of the locking devices 11.12 and the plates Λ'-j are located. 14 of the copying mechanisms 1,: 2 by the action of the springs 25, 24 and 59, 60 in the upper starting position. Take the pins 21,22 of the slide of the control valves 5: 6:.! likewise their upper starting position. whereby the access of the hydraulic fluid to the lower chambers of the cylinders 29, jO eats open and the carriers 5 are raised when the pressure increases. The gate valves 57, 58 of the control valves 5, 6, however, cover the hopes of entry for the hydraulic fluid. As a result, the pressure supply to the cylinders 29, 'jO is blocked and the ends of the carrier 5 are not raised.

At the beginning of the journey of the grape harvesting machine through the intermediate rooms of the espaliers, the curved plates touch 'M ?. 46 the Spalicrdach uiia. move downwards by turning in the joints of the bearing points 47, 48, with the coupling rods 5; ^; , 54 and the lever arms 55,55 the locking slide 57? Slide 5G into cLij control valves 5, 6. This allows the pressurized hydraulic fluid to access the slides with the pins 21, 22 of the

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Copy! Mechanisms Ί, 2 opened. As already embnt, the curved plates 1>. 14 of the ¹ copying mechanisms 1, 2 are held in the upper starting position by the springs 23, 24 at the start of work. The pins 21, 22 of the slide are also in the uppermost position and once through the locking slide 57; 5G cLe * 'locking devices TL the access of the pressure to the sliders with the pins 21, 22 of the Kopi: ·. rme chani saieii 1, 2 is opened, the pressure of the hydraulic fluid also reaches the lower Kr.u, Liiorn of the cylinders 29-30. As a result, the carrier 3 begins with the sclineid device 4, the plates 13, 14 and the plates <';·>.'iG to move upwards, the plates 13, 14 and 45, 46 being pressed against the Spalie-rdo.ch.

ITachden the carrier 3 with the cutting device 4 the trellis

the pressure

touched the roof, nimint ^v 'd3 3 trellis dacn' on the plates 1; ', 1-'i the copying mechanism 1, 2 and on the plates 45, ^Z 1G during the continuous upward movement of the carrier Z au. The carrier ~ j begins to lift the vines with the cutting device 4, whereby the trellis roof in front of the cutting 2 ;; of the cutting device 4 is brought into the shape of a flat surface.

At the same time, since the load from the trellised roof exceeds the spring forces of the springs 23, 24, the plates 13, 14 of the koi) mechanisms that rest on the trellised roof remain .

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stel23.il. V / egeri of the continuing upward sbeweguii ^ de ι. l'rä-O ¹ C-- ¹ O;,. ■ "move the plates ' \ y, 'I ⁷ I- relative to the triljor j downwards by turning in the joints of the bearings ' Vj., IG . the coupling rods press 19, 20 on the pins 21, 22 of the slider and the springs 2p, 24 are zusaivUiien ^ eijreßt. the slider moving relative to the housing of the control valves j, 6 downwards, whereby the supply of pressure to the Cylinders 29, 30. The upward movement of the carrier 5 and of the cutting device 4 ceases, and the cutting edges 2'j of the cutting device 4 are at the level of the grapes.

The copying process of the trellis roof is also carried out when the fine reading machine travels through the spaces between the trellises run automatically.

Ii; i: \ 'j ⁴ j the spalic roof located in front of the V / uinlosemaGchino increases, the pressure of the spalic roof on the plates 1>, 1 *'; - the copy mechanisms 1, 2. This load exceeds the Fe iorJc - shafts of springs 2 ~ j> . 24- and threatens the plates 15-, 14- in the joints of the bearing points 15 »'16? where-CLUi-ch cie Stifle 21, 22 of the control valve'j 5 · ö over the head,> oil eyes 19, 20 are moved downwards. In doing so, the pressure ¹ to the obscene lambs of the cylinders 29, 50 becomes free l; j; ^ j'h ^^ uiiu the carrier 5 ^ iit dom cutting device 4 begins to move. ';; Lii: oxi. As soon as eich dio Bo J. ac tu ng the plates 1 ^, 14 through

008819/0168

Then the trellis roof as a result of the lowering of the Q? rä [; he y reduced with the cutting device 4, the pins 21, 22 of the slider are moved by the leather 23, 2 - '! - over the coupling rods 19, 20 upwards, the pressure supply to the power cylinders stops and the carrier '■) stops.

As will be understood from the description of the function of the copy control, the copy mechanisms 1, 2 and the disks 45,46 of the locking devices 11,12 through the leather 233, 24 and 59, 60 permanently pressed against the trellis roof. The plates 45, 46 move simultaneously with the plates 13, 14 of the copying mechanisms 1, 2 relative to the trellis roof upwards or downwards. however, the size is the Transferred shift so matched that in the control valves 5, 6 no overlap of the control channels for the Pressure rooms takes place.

If the grape harvesting machine does not find any grapes on the trellis roof while driving between the trellises, (which can happen if bushes fail), the springs 59, 60 press the plates 45, 46 of the locking devices 11, 12 without encountering resistance, upwards. These motions

with
movement "is connected to coupling rods 5p via plates 45-» 46, and the lever arms 55, 56 are transmitted to the locking slides 57-58. The locking slides 57, 53 move downwards

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terminate the supply of the pressurized hydraulic fluid to the slides of the copying mechanisms 1, 2. The hydraulic fluid is blocked in both chambers of the cylinders 29, 30, whereby the carrier 3 with the cutting device 4- stops and no longer moves relative to the trellis roof. In this way, damage to the trellis framework and the Schiieidgerätes 4- are avoided. The same process takes place when the grape harvesting machine leaves the gaps between the rows of plants when there is no longer any support for the plates 13- V \ - of the copying mechanisms 1, 2 and the plates 4-5, 4-6 of the locking devices 11, 12.

Since there are> two copy! Mechanisms 1, 2 and two Sperrvoridchtuiigeii 11. 12. which likewise the two tax control valves 5 «G, as well as two cylinders 29.350 attached , the ends of the carrier 3 can be independent of one another Be postponed. This compensates for the irregular sagging of the trellis roof and compensates for it the inclined positions of the grape harvesting machine guaranteed as a result of unevenness in the ground between the row plants.

The variable force of the plates 15, 14 - the copying mechanism, nismeii 1, 2 and thus also the power to support the Espalierdach.it depends on the preload of the springs 23 · 24-.

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If the crop on the Spalicr & ACLI a high weight "is has to compensate dec. Slacks ε front of the cutting edges 25 of the cutting apparatus ¹ V a larger supporting force iiot dig. At lower crop yield a smaller Stützkraxt is required.

Adjustment of the supporting force of the trellis roof is carried out before the start of the work of the grape harvesting machine, soisrn the harvest yield of the vineyard is known.

In Fig. 2, the embodiment of the setting device is shown. To increase the supporting force for the trellis roof, it is sufficient to increase the pretensioning of the spring 6 ^{/ J} .- au. By means of which the adjusting screw 65 is cliiuubt clockwise (the spring 64 in FIG. 2 has the same purpose as the leaders 23, 24 in FIG. 1).

To reduce the supporting force of the trellis roof, the The preload of the spring 64 (or 25, 24 in Fig. 1) is reduced, by turning the one part screw 65 counterclockwise turns. When regulating the supporting force, the approximate preload of the spring 65 is set.

In the event of large fluctuations in the crop yield of individual Y / sticks and neighboring trellises, frequent adjustment of the supporting force of the trellis roof is necessary. In Fig. J iivü

BAD u.-uuirtAi- .. ι

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the execution sb ei game of the control device for the automatic Change in support force depending on weight the crop yield on the trellis roof.

In the 3GS case, the inventive copy control device has following mode of action:

During the upward movement of the carrier ^: J> the pressure is supplied from the control valve 5 to the lower chamber "b" of the cylinder 29, whereby the piston rod 3I of the cylinder 29 is displaced. At the same time, the pressure of the hydraulic fluid is ^{fed to the inner space r} ] ^L V of the metal bellows 69 in the compensator 67 via the pipeline 75 with a small cross section, as a result of which the metal bellows 69 expands. The spring 72 of the compensator ^ 67 is compressed, and the rod

71 pushed to ben. If the plate Λ ') touches the trellis roof at this point in time, the spring 23 of the plate 15 of the ix-joiexucchanism 1 is compressed, whereby the supporting force eis3 spalic roof increases. As soon as the pressure in the InnenrauLi 7 ^ - of the metal bellows 69 by the spring force of the spring

72 au3; ^ ^- OgIicnur- v / ird, liürt the upward movement of the rod 7 &quot;. The compressed spring 2 ^ of the plate Λ'-j des Kopioriiieo'itu'iiu.iuc 1 Dasitzt jotzt a spring force which is determined by the LJii.'jbGl.L device, the supporting force of the espalierc / j-ches reaches the specified size Has.

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158290B

When the load on the wearer with the cutting device 4 by the trellis roof increases or "the carrier 3 continues after moved above, exceeds the. Pressure of the trellis roof on the Plate 13 of the copying mechanism 1 the spring force of the spring 23 As a result, the plate 13 is displaced downward j the pin 21 of the slide also moves downwards and blocks the pressure supply to the cylinder 29. The carrier 3 stops.

As the grape harvesting machine continues, the ■ supporting force for the trellis roof is automatically controlled. Meets the grape harvesting machine moving between the trellises on a section in which the grapes are processed the trellis roof is larger than before, the girder 3 ffli.t is loaded with this higher weight and the load is over the piston rod 31 of the cylinder 29 on which the carrier 3 attached is transferred to the chamber "b" of the cylinder 29. The pressure increase in chamber "b" of cylinder 29 is over the pipeline 75 is fed to the interior 4 of the metal bellows 69. The metal bellows 69 expands, whereby the spring of the compensator 67 and the spring 73 of the plate 13 of the copying mechanism 1 is pressed together.

Since the compensator 67 via the pipeline 75 with the chamber "b" of the cylinder 29 connected ijt and the slide of the control valve 5 in ..neutral position (no change was made

... 19

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the height of the roof in relation to the earth's surface), does not change the plate 13 its position to the trellis roof, but is pressed even more strongly against this. In this case, a higher shift of the carrier 3 is required Loading of the plate 13 of the copying mechanism 1 required, i.e. the force to support the trellis roof increases proportionally to the higher weight of a larger crop yield in the corresponding section of the trellis roof. The higher is the weight of the crop yield. the stronger the support from the carrier 3. To avoid damage to the trellis roof to prevent, for example, when the grape harvesting machine hits a pile of earth or the trellis roof sags severely, the permissible supporting force must be limited. The construction of the expansion joint takes this case into account, as shown in FIG. The maximum allowable force for support of the trellis roof can be regulated by the adjusting nut 76 and the spring 72 of the compensator 67.

In the event that the spring 72 of the compensator 67 to abut of the coils is compressed, the spring of the plate 13 cannot be further compressed by the metal bellows 69 v / earth. If the load from the trellis roof exceeds the spring force of the spring 23 and 73, the 'Plate 13 rotated around the joint of the bearing stud 15 and the Pin 21 of the slide of the control valve 5 pushed down. This increases the pressure of the hydraulic fluid

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upper chamber "a" of the cylinder 29 was supplied. causes the inertia ro ~ y to move downwards.

When the carrier 5 descends, the hydraulic fluid in the lower chamber "b" decreases in the cylinder 29 · This means that the pressure in the interior 7 '' also falls! ^ ¹ --tallbalgcs 69. The spring 72 of the compensator & G 7 ai-to ^ - iui itself una pulls the rod 71 ηε, οΐι below. The tension of the spring 75 also decreases. what oich in a tear. ". -or expresses the supporting force of the trellis roof.

• During the downward movement of the carrier j , the plate of the copying mechanism 1 is constantly on the trellis roof. ™ udrüc whereby the control valve 5 relative to the slide ..Jt ■; Pin 21 moves. This relative movement takes place so luii, bic the slide the pressure supply from the control valve 5 ^zv - ^ l-i'-

29
ner "a" of the cylinder locks. The lowering is thus oe

Carrier 3 ended by the spalic roof.

In the description above, the W: i rkuiig: .v / ui :: u uii.c Cell KompGiicator: each clarifies. Let u ^ tVorutaiidlicu can, ic ·; Copy rue chani gray ε with a; u dorarti .; ; ji i ^ o.roeii.: c.l; üi ve: -, juj will.

On the carrier i cind two K oupenc.it ο ro η der Oxvahnt, ...! Bavi v; öise aiigeoxnliiet. For this GI ¹ Un ^. v. ^r erdcii from the llat-tan

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Stilts sirräi "te for (Laζ opaliordach applied, which depend on your Gex / icht-share, uelclier the jc'.TCiiligö Platto oelactst.

The Ei'iitöertrac on U-iiiuraubon distributes sicli normalerueine iiiclit 2le: _t .ch;: iaiges over the width of the opalierdacliec. At Υ., Γ.ΓΟΓιααιχ; of the two Konpcnsatoren the quality dor ciu ^ eoracliteii lirnte, however, considerably improved, since eich d: ^ c Sj.) aIierde.ch before dsii Seimeiden 25 of the sonic device ^l \ - is in a Sboiie.

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Claims (1)

Patent attorneys *** ZELLENTiN υ 1 UYKEN
8GC0 M-. η el · η 22 December 21, 196? Zweibrjcko.iitr. 6th U / Hu P 1 5 577- Claims m output control device for the tools of grape harvesting machines, especially for following the shape of the trellis roof by the cutting device of the grape harvesting machine, "with which the cutting mechanism of the cutting device advises it the grape harvesting machine by a hydraulic drive system is connected to the actuator, thereby characterized that on the cutting device (4) two copy mechanisms (1,2) are arranged, which at least with zv / ei on the cutting device (4-) Control valves (5, G) and hydraulic system (9) in connection with the cutting device (-1 ·) with an adjusting device (7) 5 by the ea may have been moved on the grape harvesting machine boi'a ^ tijt i: / b. 2. Eopier ^ tüucroini-ichbung after address I J.:'.by jjekcuLi · - zeiülmot, daij, "jedor Eüpi ^ riiiocliani; v.: uo C'i.2) a droiibar gelagerbe, ^ cfecLorb ^ and curved lull (Ij bsw. I - ": ·) on v / t; it: ti which about ο inc Eo. pp el t. tango (i9 or 2ü) with 009819/0168 ■,. "d ο ■ 158290ή . a pin (21 or 22) dec slide of the control valve (5 or 6) connected and arranged above the cutting device (4) behind its cutting edge (25) and daJ3 the adjusting device (7) consists of two hydraulic cylinders (29,50) and at least one on the frame (0) The guide (55) attached to the grape harvesting machine in which a rod (55) slides, which is articulated with the cutting device (4 ·). is coupled. 3. Copy control device according to claim 1 and 2, characterized in that the cutting device (4 ·) has two locking devices (11, 12) for independent switching off and on of the copy! curved flats (45,4-6) are provided, the rods via coupling (51-55 and 52. 5 ² O and lever arms (55,56) Eiit the slides (57 »58) of the control valves (5,6) in connection and are located above the cutting device (4) behind its cutting edges (25). ^l l ·. Iiopier control device according to claim 5? characterized in that the rotatably mounted, spring-loaded and curved plates (4-5,4O) of the locking devices (11,12) next to the curved plates (15,1'I) of the copying mechanisms (1,2) on the carrier (5) of the cutting device (4) are arranged. QQ9819 / Q16Ö 158290R ZH 5. copy control device according to claim 2, characterized in that that the connection of the curved P] planes (13, 14) the copy mechanisms (1,2) with the pins (21,22) of the Slide of the control valves (5,6) through telescopic sleeves (65,66) between which there is a spring (64), is carried out, with one sleeve (66) on the carrier (3) of the cutting device (4) and the other sleeve (63) on the curved plate (13-14) of the copy! Mechanism (1,2) is rigidly attached. 6. Copy control device according to claim 5, characterized in that that the leather (64) is firmly connected with one end to the bottom of the curved plate (13, 14) The sleeve (63) and screw the other end to the blade 11 (65), which is used to adjust the pressing force of the cutting device (4) on the trellis roof. 7. Copy control device according to claim 6, characterized in that that the adjusting screw (65) in the threaded hole of the sleeve (66) attached to the carrier (3) is screwed in and at the end a support surface for the Has spring (64). 009 81 9/01 6 8 bad Ofc d.Copy control device according to claim. 6, marked thereby ei without t that the regulation of the Anpreßlcraft of the cutting device ^ s (4) to the trellis roof using a compensator (67) is carried out, which with the free end of the curved plate (13,14) of the copying mechanism (1,2) is connected and with the control valve (5, ö) and the hydraulic Cylinder (29.3O) of the adjusting device (7) cooperates. . iCoxjiersteuereinricIituiig according to claim 8, characterized in, that the compensator (67) consists of a housing (68) in which there is a spring (? 2) and a metal bellows (69) are located, its interior (74) through a pipe (75) small cross-section with the control valve (5, 6) and the lower chamber of the cylinder (29,30) and connected by a rod (71) and a spring (73) coupled to the free end of the curved plate (13, 14). 009819/0168 BAD ürtiü!; * /. · -