DE2914623A1 - HAY ADVERTISING MACHINE - Google Patents

Description

WIIHElM SIOLL
Maschinenfabrik GmbH

3325 lengede / Broistedt

"Haymaking machine"

The invention relates to a haymaking machine with at least one driven rotary wheel, which has a rotating bogie driven around a stationary axis, on which several cinnamon ragarsoe mounts, which are pivoted with a crank mechanism into a curved track ring with a U-shaped cross-section, open on the shell side and deformed in terms of shape a control cam with a hub part attached to the axle and swivel around its own longitudinal axis when the bogie rotates.

Such © haymaking machines are known several times in practice become and i.a. in our brochure P 680 (regarding Universa1 hay machine UM). The disadvantage is that in one

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Catfish as well as material wastedeaä - thus iasgesait in an uneconomical way - are exchanged out _o For the SteeerlrariTOn-Austaasch the bogie is ait associated Keg © lsab, araä from the Exeiselrechenaekse (in particular aaa red) znäoiatieren before the control curve is withdrawn and upwards aeae can be replaced.

The object of the invention is to provide an improved advertising campaign of the type mentioned at the beginning - to create * in the case of Karvenbahnverschleiß a corresponding exchange is possible in a simple manner, quickly and economically «

According to the invention, this is achieved by a control curve with after at the bottom (towards the bottom) detachable on the curved track ring that is arranged on the axle part that remains on the axis «

With a construction of this type, the cam ring only needs to be replaced if necessary, while the color part remains in the fixed axial position on the gyro rake axis (e.g. support tube) Subsurface) in the long run a considerable saving in material and production costs is achieved for the latoenbereleii «In addition , the replacement of the wearing part can be carried out easily (utheioe and quickly), since only the Kralsel rake-Stlitzglled (especially the support wheel) with its holder from the outer rotation is stationary Ireisel rake achae (e.g. support tube) must be loosened and then the cam ring can be dismantled, wojsu di®

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Connecting means (eg, screws) wipe Eurvenbahnring and werdeE must be dismantled ₉ without further parts (ffabenteil dissolved and then removed of the cam track ring down. The required for proper Steuerunggumlauf compliance with the relative altitude (altitude moderate assignment) between the control cam and zinc carrier lageratelle (n ) is guaranteed after the lab part assembly (Erat assembly) and is retained with every replacement of wearing parts, since the control cam hub part is axially fixed and serves as an axial position fixing device in the event of a cam ring exchange action - it is also advantageous that the stut tube or the like on the stationary Stutsrohr The remaining control curve hub part enables a cam ring to be fitted quickly and accurately with a precise fit without cumbersome threading work - on the support tube or the like.

You split control curve construction with the stationary axle part mounted hub part also has the advantage that the manufacturer for rotary rakes of different working diameters the same honing unit (consisting of a rotationally stationary Axle part with control cam hub part mounted on it and Bogie) and, depending on requirements, longer or shorter tine support arms as well as one depending on the working circle diameter designed cam ring can be assembled - the The use of curved tracks of different shapes is necessary for gyro diameters of different sizes in order to determine (change) the work path (in particular the material discharge point) and to achieve a clean work image when swathing. You inventive training and arrangement of the control cam enables a more efficient one due to the prefabrication of an assembly (assembly unit) that is valid for several machine sizes Manufacturing and / or economical storage support. Advantageous

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is also, that the pre-assembled ice ages or those for the fersand certain and aas «aweclra Reumgewinnuag (saving space) preferably with the support member removed from the rotating rack (Support wheel) parked haymaking machine!) Can be kept in storage or transported without a mounted cam ring, in order to exclude damage to the cam track profile - the completion / final assembly is quick and easy at the dealer / farmer easy to do.

In a preferred embodiment, the cam ring is divided into two parts in terms of height, ie each U-shaped section of the ti-shaped control cam is part of another component. This is also essential to the invention allows construction of the Kurvenbaanringes the sole replacement of the wore out enes U-profile part · construction Because this is the upper tread ring-containing (tires). The replacement of a ring that is worn at its etching surface can be carried out quickly and easily due to the aforementioned easy removal of the twisted cam ring towards the bottom.

According to a further embodiment of the invention iai Guarantee of a long service life for the contact surface (Curved surface) of the upper half of the Survenbahn ring - more wear-resistant, preferably hardened, executed "

A particularly simple © construction "results when ~ the control cam part a plan target provided with screw mounts and each cam ring half is an inner ring-shaped one Has fastening part (inner flange) with screw-receiving holes and these three flanges (ring walls) by means of Screws are axially tensioned. This can be done in an advantageous manner

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at least the upper part of the ring (upper half of the Kuryenbahn) of the two-part cam ring is centered on the flange of the hub part be.

Furthermore, it is particularly preferred in multi-rotor haymaking machines to pivot the control cam on the rotationally stationary axle part (e.g. support tube) of the rotary rake in order to enable the tine control at one for different Operations required change of the relative position (assignment) of rotary rakes to each other and / or in relation to the direction of travel also to be able to adjust to work. It is the swiveling and axially fixed mounted control cam hub part by means of a bolt in different swivel positions a locking part arranged below the hub part, non-rotatably connected to the support tube (or a part associated with it), e.g. a locking disc with edge notches, can be fixed (adjustable) and the entire locking device (in particular locking plate plus swivel bolt) smaller in terms of cross-section dimensioned as the clear width of the central ring opening of the curved track ring.

Further features of the invention emerge from the others Subclaims

The subject matter of the invention extends not only to the features of the individual claims, but also to their Combination.

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An exemplary embodiment is shown in the drawing and is explained in more detail below »It shows:

a partially cut side view of a gyro rake a haymaking machine njit controlled rotating Tines and control cam according to the invention for the tine positive control

A haymaking machine according to the invention can be single or multiple elig auag as well as a Sohwader or * universal machine (i.e. machine that can be used for different operations) - a gyro construction is shown a universal machine. In every lall owns the haymaking machine positively controlled / positively controlled tines, which swivel in height during the rotary rake rotation, thereby off a lifting position to the ground niedersohweziken and in the upright position In working position, the items to be raked together on a sector of the orbit and when they are swiveled up again deposit in a predetermined position to form a swath.

The / each rotary rake has a drive device, bogie driven preferably via a bevel gear 1 2, the rotationally around a control cam 3 carrying stationary axis 4 - preferably support tube, in which a support member holder 5 is also attached, in particular by means of Cross pin 6, detachably pinned - rotatably mounted and in stationary (with swather construction) or preferably height-adjustable pivotable and lockable in both end positions (for Universal machine construction) has bearing receptacles 7 spoke-like, approximately radially extending associated tine carriers 8, which each at the outer end part with prongs, for example, Eeder prongs

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(not shown), are equipped and on the rotation axis side End of a particular consisting of control lever 9 and cam track roller, the positively controlled pivoting around its own Carrying the longitudinal axis serving and interacting with the control cam 3 crank mechanism.

The control cam 3 is open on the shell side in cross section U-shaped curved track profile in which the individual Surround the cam track rollers 10. It is designed in several parts and consists of a hub part 11 and a cam ring 12, which, according to a further feature of the invention, can be divided into two in terms of height in such a way that each U-leg of the curved path profile Part of another component (ring body) - the cam ring 12 is on each pail after the support member holder has been removed 5 as well as loosening the connection (in particular connecting screws 13) to the hub part 11 downwards, i.e. downwards, removable, without dismantling the bogie 2 from the support tube (axis 4) or the like. Is required.

Preferably, the cam ring 12 consists of two ring bodies 12a, 12b, both of which are made from a sheet steel integral part (In particular punching and pressing part) are formed and in terms of height deformed curve part have a planar inner flange (disk ring) 14 as a contact and fastening part, which also like an outer flange of the control cam hub part 11, which is used to fasten the cam ring, for receiving the connecting screws 13 is perforated. Instead of the closed ring, the subregions numbered 14 of both ring bodies 12a, 12b of individual tabs - but nothing changes in the tensioned fastening by means of the connecting screws 13.

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In order to achieve a long service life, it is used as an abutment for the cam track roller 10 serving, most heavily loaded profile surface (running surface) of the upper ring body 12a more wear-resistant formed than that of the lower ring body 12b, which is less loaded. In a particularly preferred embodiment, the upper Ring body 12a hardened at least on its surface interacting with the crank mechanism. Of course, both can Curve halves are hardened.

The hub part 11 is axially fixed and, if necessary (i.e. in the case of a universal machine version) rotatable and lockable in different swivel positions on the rotationally stationary Axis (support tube) 4 · supported.

for the control cam locking, a latching part, in particular a latching disc, is on the axis (support tube) 4, preferably at the bottom 16 with locking receptacles on the edge (preferably locking notches) 16a, non-rotatably arranged and on the control cam hub part a bolt 17, in particular a locking lever, is provided. The locking device (parts 16, 17) is smaller than the cross-section clear width of the central ring opening of the cam ring 12, bo that (after the support member dismantling) a pulling off the Curved track ring 12 is possible downwards.

The bolt 17 is designed as a spring-loaded latching lever (swivel bolt) held in the locking position. Sr is pivoted about a horizontal axis 18 in the upper hub half and engages through a recess (slot) 15a of the outer flange 15, which is provided in the lower hub half and carrying the cam ring 12, into a latching receptacle, which is preferably at the same time as the lower abutment

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(Supported) locking disc serving for the control curve / tab part 11 16 a. Between the storage area and the locking point there is one preferably stuck on a retaining lug 19 and located on the U-web ies curved path profile - in particular on the upper ring body 12a äes! two-part cam ring 12 - supporting compression spring a. The lower end of the upright bolt 17 is below the locking disk 16 is designed as a handle part 17a or is provided with a handle.

The exchange of the cam ring or its worn half (eg ring body 12a) can be carried out easily. In the case of the universal machine construction, this is particularly easy to implement, since the tine carriers (tine support arms) 8, which are pulled out of the cam 3 with their crank mechanism, in particular swiveled up, can be locked (latched) on the bogie in a non-disruptive position, namely in the working position intended for tedding .

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Claims (12)

Haymaking machine with at least one driven rotary rake, which has a rotating bogie driven around a stationary axis, on which several tine support arms mounted pivotably with a crank mechanism in a cross-sectionally U-shaped, shell-side open and in terms of height the deformed cam ring of a control cam with a hub part stuck on the axis and positively guided swivel around its own longitudinal axis when rotating the bogie, characterized by a control cam (3) with can be removed downwards (towards the bottom) on the curved track ring (12) arranged on the axle (4) remaining on the shaft (4). 2. Haymaking machine according to claim 1, characterized in that the cam ring (12) is divided in height into two parts. 3 haymaking machine according to claim 1 and / or 2, characterized in, that the upper ring part (12a) of the cam ring (12) has a more wear-resistant running surface. 4. Haymaking machine according to one or more of claims 1 to 3, characterized in that the upper ring part (12a) of the cam ring (12) has a hardened running surface owns. 5 «haymaking machine according to one or more of the claims 1 to 4 »characterized in that at least the upper 030042/0476 / 11 29H623 -yr-% Ring part (12a) of the cam ring (12) from a sheet steel molded part is formed. 6. Haymaking machine in particular according to claim 1, characterized in that the control cam hub part (11) has a Has screw mounts provided Plansch (15) on which underneath (bottom) an annular fastening part (inner flange) (H) of the cam track ring through which screws (13) pass (12) is present « 7. Haymaking machine according to one or more of the claims 1 to 6, characterized in that at least the upper ring part (upper cam half) (12a) of the two-part Cam ring (12) on the flange (15) of the hub part (11) is centered. 8. Haymaking machine according to one or more of claims 1 to 7, characterized in that the two ring parts (Curved track halves) (12a, b) of the curved track ring (12) with flat ring walls (ring disk walls) lie on top of one another and held braced with the Mabteil-Splash (15) are. 9. Haymaking machine in particular according to claim 1, characterized characterized in that the control cam (3) on the stationary rotary rake axle part (4), preferably a support tube, pivotally mounted and in different pivoting positions by means of a bolt (17) on one below the 030042/0476 Stsierkurven-lJabteiles (11) arranged, non-rotatably rait dem Sttitzrohr or the like. associated Raatteil (16) can be fixed (Can be rigidified), the locking device being smaller in cross-section than the clear width of the central ring opening of the cam ring (12) is formed. 10. haymaking machine according to claim 9 »characterized in that the bolt (17) of one on the control cam hub part (11) Spring-loaded, mounted movably about a pivot axis (18) running transversely to the hub axis - with a recess (Ras tauf would take) (15a) of the hub part J flange (15) and of the Support tube locking part (16) cooperating - held lever (locking lever) is formed. 11 · Haymaking machine according to one or more of the claims 1 to 10, characterized in that on the bolt (detent lever) (17) is supported on the cam ring (12) The compression spring (20) acts. 12. Haymaking machine according to one or more of claims 1 to 11, characterized in that the bolt (17) runs almost upright and down at the bottom has handle part (17a) extending below the locking part (locking disk) (16). 0300A2 / 0476