DK9500313U4 - Lift-mounted mower - Google Patents
Lift-mounted mower Download PDFInfo
- Publication number
- DK9500313U4 DK9500313U4 DK9500313U DK9500313U DK9500313U4 DK 9500313 U4 DK9500313 U4 DK 9500313U4 DK 9500313 U DK9500313 U DK 9500313U DK 9500313 U DK9500313 U DK 9500313U DK 9500313 U4 DK9500313 U4 DK 9500313U4
- Authority
- DK
- Denmark
- Prior art keywords
- mower
- tractor
- support arm
- parts
- lift
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B73/00—Means or arrangements to facilitate transportation of agricultural machines or implements, e.g. folding frames to reduce overall width
- A01B73/005—Means or arrangements to facilitate transportation of agricultural machines or implements, e.g. folding frames to reduce overall width for endwise transportation, i.e. the direction of transport being substantially perpendicular to the direction of agricultural operation
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/64—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
- A01D34/66—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle with two or more cutters
- A01D34/661—Mounting means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Harvester Elements (AREA)
- Catching Or Destruction (AREA)
Description
1DK 95 00313 U41DK 95 00313 U4
Den foreliggende opfindelse angår en liftophængt slåmaskine omfattende en bæreramme med en forbindelses-indretning til forbindelse med en traktors trepunkts-lift, en bærearm, der er hængselforbundet med bærerammen 5 ved dennes ene side gennem et hængsel med i det væsentlige lodret akse, hvilken bærearm bærer slåmaskinens slåaggregat, og midler til at svinge bærearmen omkring den lodrette hængselakse for at bevæge slåaggregatet af en på en traktor monteret slåmaskine mellem en arbejds-10 stilling uden for traktorens spor og en transport stilling i det væsentlige inden for traktorens spor. En sådan slåmaskine kendes fra EP-A-0 514 314, som angår en slåmaskine, der for transport løftes og svinges i det væsentlige vandret ind bag traktoren, hvorved kraft-15 transmissionen fra traktoren til slåmaskinen er således indrettet, at der ikke er behov for at afmontere dens kardanaksel ved omstillingen fra arbejdsstiling til transportstilling.BACKGROUND OF THE INVENTION The present invention relates to a lifting mower comprising a support frame having a connecting device for connecting a three-point lift of a tractor, a support arm which is hingedly connected to the support frame 5 on one side thereof by a hinge having a substantially vertical axis, which support arm carries. the mower assembly of the mower, and means for pivoting the support arm about the vertical hinge axis to move the mower assembly of a mower mounted on a tractor between a working position outside the tractor track and a transport position substantially within the tractor track. Such a mower is known from EP-A-0 514 314, which relates to a mower for lifting and pivoting substantially horizontally behind the tractor, whereby the power transmission from the tractor to the mower is arranged so that there is no need to remove its PTO shaft when switching from working position to transport position.
I det nævnte EP-A-0 514 314 omtales ønsket om at 20 placere slåmaskinens tyngdepunkt så tæt på traktoren som muligt i transportstillingen for at undgå at en bag på traktoren hængende slåmaskine aflaster traktorens forhjul og derved skader manøvreringsevnen. Ifølge denne kendte teknik er hængslet mellem bærerammen og bærearmen 25 derfor flyttet så langt som praktisk muligt ud til den side, hvor slåmaskinen har sin arbejdsstilling.In the aforementioned EP-A-0 514 314, the desire to place the center of gravity of the mower is mentioned as close to the tractor as possible in the transport position in order to prevent a mower hanging from the rear of the tractor from relieving the tractor's front wheels and thereby damaging the maneuverability. According to this prior art, the hinge between the support frame and the support arm 25 is therefore moved as far as practically possible to the side where the mower has its working position.
Fra DE-A-31 34 391 kendes en slåmaskine, hvor bærearmen er delt i to dele som er indbyrdes forbundet gennem et hængsel med vandret akse. Derved muliggøres 30 det for transport, at rejse slåmaskinen til en i det væsentlige lodret stilling, hvorved dens tyngdepunkt i vandret plan bringes væsentlig nærmere på traktoren. Også ved denne kendte maskine er bærerammen og bærearmen hængslet til hinanden gennem et hængsel med lodret akse 35 for at muliggøre, at slåmaskinen for transport svinges 2 2DK 95 00313 U4 ind bag traktoren. Imidlertid pointeret det, at den lodrette hængselakse, for at undgå at kardanakslen skal afmonteres for transport, er placeret centralt i forhold til trepunktsforbindelsen og traktoren. Dette medfører 5 imidlertid den juismpe, at slåmaskinen, når den svinges ind bag traktoren, bliver placeret relativ langt fra denne.From DE-A-31 34 391 there is known a mower, in which the support arm is divided into two parts which are interconnected through a horizontal axis hinge. This makes it possible for transport to raise the mower to a substantially vertical position, whereby its center of gravity in the horizontal plane is brought substantially closer to the tractor. Also with this known machine, the support frame and support arm are hinged to one another through a hinge with vertical axis 35 to enable the mower for transport to be swung 2 2DK 95 00313 U4 behind the tractor. However, it is pointed out that the vertical hinge axis, to prevent the PTO shaft from being removed for transport, is centrally located in relation to the three-point link and the tractor. However, this results in the fact that, when it is swung in behind the tractor, the mower is positioned relatively far from it.
Formålet med den foreliggende opfindelse er at tilvejebringe en slåmaskine, hvis tyngdepunkt i trans-10 portstillingen i vandret plan er tættest muligt på traktoren. Desuden består ønsket om at der ved omstilling fra arbejde til transport ikke er behov for at krafttransmissionens kardanaksel afmonteres.The object of the present invention is to provide a mower whose center of gravity in the transport position in the horizontal plane is closest to the tractor. In addition, there is no need to remove the PTO shaft when switching from work to transport.
Formålet opfyldes ifølge opfindelsen ved en 15 slåmaskine af den indledningsvis nævnte art som er særegen ved, at bærearmen er delt i to dele, og at der findes et kraftorgan til at bevæge de to dele i forhold til hinanden. Opfindelsen er vigtig, fordi muligheden for i transportstillingen i vandret plan at placere 20 slåaggregatets tyngdepunkt tæt på traktoren, er begrænsende for størrelsen (bredden) og dermed vægten af slåaggregatet. Med andre ord gør den foreliggende opfindelse det muligt at anvende slåaggregater med arbejdsbredde af en størrelse som hidtil kun har været 25 mulig ved maskiner, som helt eller delvis bæres af kørehjul.According to the invention, the object is fulfilled by a mower of the type mentioned initially, which is peculiar in that the supporting arm is divided into two parts and that a force means is provided for moving the two parts relative to each other. The invention is important because the possibility of placing in the transport position in the horizontal plane the center of gravity of the mower near the tractor is limiting the size (width) and thus the weight of the mower. In other words, the present invention makes it possible to use working width mowers of a size that have hitherto been possible only on machines which are wholly or partly carried by drive wheels.
Fra det ovennævnte EP-A-0 514 314 er det kendt at indrette krafttransmissionen således, at en vinkeltransmissionsindretning med en indgangsaksel til forbindelse 30 med traktorens kraftudtagsaksel og en udgangsaksel er monteret på bærerammen mellem et lodret symmetriplan for forbindelsesindretningen og hængslet, at en teleskopisk udskydelig kardanaksel gennem et første og et andet kardanled forbinder udgangsakslen af transmissionsind-35 retningen med en indgangsaksel på slåaggregatet for 3 3DK 95 00313 U4 overføring af driveffekt til dette, og at transmissionsindretningen og indgangsakslen på slåaggregatet er placeret således, at kardanakslen i slåaggregatets transportstilling indtager en stilling i et lodret plan i det væsentlige parallelt med transportretningen. Denne indretning af krafttransmissionen kan med fordel anvendes i forbindelse med den foreliggende opfindelse da den muliggør at slåmaskinen svinges vandret fra arbejdsstillingen ind bag traktoren. Imidlertid har det trods advarslerne i DE-A-31 34 391 (side 7, linie 11-20) overraskende vist sig at være muligt ved en sideværts placering af det lodrette hængsel at føre slåmaskinen fra arbejdsstillingen til en lodret transportstilling bag slåmaskinen selvom krafttransmissionens elementer ikke er placeret inden for så snævre grænser som beskrevet i EP-A-0 514 314, hvis slåmaskinen først rejses til lodret og derefter svinges ind bag traktoren. Dette vil blive forklaret nærmere nedenfor.From the aforementioned EP-A-0 514 314 it is known to arrange the power transmission such that an angular transmission device with an input shaft for connection 30 with the tractor's PTO shaft and an output shaft is mounted on the support frame between a vertical symmetry plane of the connecting device and the hinge that a telescopically projectable the shaft through a first and a second shaft connects the output shaft of the transmission device to an input shaft of the mower for transmitting drive power thereto, and the transmission device and the input shaft of the mower assembly are positioned so that the shaft of the input device in the mower assembly position in a vertical plane substantially parallel to the direction of transport. This arrangement of the power transmission can advantageously be used in connection with the present invention as it enables the mower to be swung horizontally from the working position behind the tractor. However, despite the warnings in DE-A-31 34 391 (page 7, lines 11-20), it has surprisingly been possible to move the mower from the working position to a vertical transport position behind the mower in a lateral position of the mower, even if the elements of the power transmission is not located within such narrow limits as described in EP-A-0 514 314 if the mower is first raised to the vertical and then swung in behind the tractor. This will be explained in more detail below.
I en foretrukket udførelsesform kan de to dele af bærearmen bevæges til mellem sig at afgrænse en spids vinkel. Derved kan slåmaskinens tyngdepunkt bringes særlig tæt på traktoren. Ved denne udførelsesform er det fordelagtigt, at nævnte kraftorgan er dobbeltvirkende, da det ellers ikke vil kunne bringe slåmaskinen tilbage til vandret stilling.In a preferred embodiment, the two parts of the support arm can be moved to define a pointed angle between them. This allows the center of gravity of the mower to be brought particularly close to the tractor. In this embodiment, it is advantageous for said force member to be double-acting as otherwise it will not be able to return the mower to the horizontal position.
Opfindelsen vil i det følgende blive forklaret nærmere ved hjælp af et udførelseseksempel under henvisning til tegningen, på hvilken fig. 1 viser en slåmaskine ifølge opfindelsen i arbejdsstilling set oppefra, fig. 2 slåmaskinen i fig. 1 svinget vandret ind bag traktoren, fig. 3 slåmaskinen i fig. 1 set bagfra, og fig. 4 slåmaskinen i fig. 1 set fra siden i sin lodrette transportstilling.The invention will now be explained in more detail by way of example with reference to the drawing, in which: FIG. 1 is a top plan view of a mower according to the invention; FIG. 2 shows the mower of FIG. 1 swings horizontally behind the tractor; FIG. 3 shows the mower of FIG. 1 is a rear view, and FIG. 4 shows the mower of FIG. 1 in side view in its vertical transport position.
4 4DK 95 00313 U4 I figurerne er vist en slåmaskine 3 af i og for sig kendt art. Denne slåmaskine er ved hjælp af en ophængsramme 1 og en bærearm 2 ophængt i en traktor 4' s trepunktsophæng.4 4GB 95 00313 U4 The figures show a mower 3 of a kind known per se. This mower is supported by a suspension frame 1 and a support arm 2 in the three-point suspension of a tractor 4.
5 Slåmaskinen 3 omfatter en rammedel 5, ved hvis midte bærearmen 2 er fastgjort ved hjælp af et drej eled 6 med en i det væsentlige vandret og i forhold til slåmaskinen langsgående akse. Under rammedelen 5 og umiddelbart bag et lodret plan gennem drejeledet 6 og 10 på tværs af dets akse er anbragt en knivbjælke 7 med flere, eksempelvis fem vandret roterende knivskiver 8. I det væsentlige lodret over knivskiven yderst til venstre i fig. 1 er anbragt et første vinkelgear 9.The mower 3 comprises a frame member 5, the middle of which the supporting arm 2 is fixed by means of a pivot joint 6 having a substantially horizontal axis and longitudinal axis relative to the mower. Under the frame member 5 and immediately behind a vertical plane through the pivot joint 6 and 10 across its axis is arranged a knife bar 7 with several, for example, five horizontally rotating knife blades 8. Substantially vertical over the knife blade at the far left of FIG. 1, a first angular gear 9 is arranged.
Slåmaskinen 3 har et nedhængende skørt 10, som 15 udgør den forreste del af slåmaskinen.The mower 3 has a hanging skirt 10 which 15 forms the front part of the mower.
Bærearmen 2 er forbundet med ophængsrammen 1 ved hjælp af et drej eled 11 med en i det væsentlige lodret akse. På ophængsrammen 1 er anbragt et andet vinkelgear 12. Dette vinkelgear er ved hjælp af en første kardanak-20 sel 13 forbundet med traktorens kraftudtag 14, og det er ved hjælp af en teleskopisk anden kardanaksel 15 forbundet med det første vinkelgear 9. Den anden kardanaksel 15 har et første og et andet kardanled hhv. 16 og 17.The support arm 2 is connected to the suspension frame 1 by means of a pivot joint 11 having a substantially vertical axis. On the suspension frame 1 is arranged a second angular gear 12. This angular gear is connected to the power take-off 14 of the tractor shaft 13, and it is connected to the first angular gear 9 by means of a telescopic second shaft 15. 15 has a first and a second universal joint respectively. 16 and 17.
25 Slåmaskinen og dens ophæng og kraftoverføring, som det er beskrevet indtil nu, er i og for sig kendt fra det ovennævnte EP-A-0 514 314, hvortil der henvises for en nærmere beskrivelse af disse deles geometri.The mower and its suspension and power transmission, as described so far, are known per se from the aforementioned EP-A-0 514 314, to which reference is made for a more detailed description of the geometry of these parts.
Ifølge opfindelsen omfatter bærearmen 2 et drej eled 30 20, som deler den i en indre og en ydre del hhv. 21 og 22. Drejeledet 20's akse strækker sig i det væsentlige vandret parallelt med aksen af drejeledet 6, og drejeledet muliggør, at den indre og den ydre del 21, 22 drejes i forhold til hinanden således, at slåmaskinen 3 rejses 35 til en i det væsentlige lodret stilling vist i fig. 4.According to the invention, the support arm 2 comprises a swivel joint 20 which divides it into an inner and an outer part respectively. 21 and 22. The axis of the swivel 20 extends substantially horizontally parallel to the axis of the swivel 6, and the swivel allows the inner and outer members 21, 22 to rotate relative to each other so that the mower 3 is raised 35 to one in the substantial vertical position shown in FIG. 4th
5 5DK 95 00313 U45 5DK 95 00313 U4
De to dele 21, 22 kan endda drejes så langt i forhold til hinanden, at de danner en spids vinkel. De to dele 21, 22 drejes i forhold til hinanden ved hjælp af en dobbeltvirkende ikke-vist hydraulikcylinder.The two parts 21, 22 can even be rotated so far relative to each other that they form an acute angle. The two parts 21, 22 are rotated relative to each other by means of a double-acting non-shown hydraulic cylinder.
5 Med den viste og i EP-A-0 514 314 beskrevne geometri af krafttransmissionen er det muligt, som vist 1 fig. 2, at svinge slåmaskinen vandret ind bag traktoren, uden at det er nødvendigt at afmontere kardan-akslen 15. Denne er i den i fig. 2 viste stilling skudt 10 sammen til et minimum. Hvis slåmaskinen 3 fra den i fig.5 With the geometry of the power transmission shown and described in EP-A-0 514 314, it is possible, as shown in FIG. 2, to swing the mower horizontally behind the tractor without the need to remove the paddle shaft 15. This is in the position shown in FIG. 2, shot 10 together to a minimum. If the mower 3 from the one shown in FIG.
2 viste stilling rejses til den i fig. 4 viste stilling, vil kardanakslen 15 atter blive strakt et stykke. Hvis slåmaskinen fra den i fig. 1 og 3 viste arbejdsstilling først rejses til lodret, idet de to dele 21, 22 af 15 bærearmen 2 drejes i forhold til hinanden, vil kardanakslen 15 først blive strakt et stykke, hvilket altid vil være muligt, fordi det overlap mellem kardanakslens to dele, som er nødvendigt for under drift, at overføre de nødvendige kræfter er større end det minimale 20 overlap, som kan tillades, når der ikke overføres kræfter. Svinges slåmaskinen derefter ind bag traktoren til den i fig. 4 viste transportstilling, vil kardanakslen 15 atter blive skudt et stykke sammen, men den vil aldrig blive skudt så langt sammen, som den bliver, 25 hvis slåmaskinen under omstillingen fra den i fig. 1 og 3 viste stilling til den i fig. 4 viste stilling passerer den i fig. 2 viste stilling. Derfor er slåmaskinen ifølge opfindelsen ikke nødvendigvis underlagt de strenge geometriske betingelser, som er beskrevet i 30 EP-A-0 514 314, når blot kardanakslen 15 ikke er placeret for langt fra bærearmen 2 og drejeledet 20. I den viste udførelsesform befinder kardanledet 17 sig i det væsentlige lodret under drejeledet 20's akse, når slåmaskinen er i arbejdsstilling.2 is raised to the position shown in FIG. 4, the shaft 15 will again be stretched a bit. If the mower from the one shown in FIG. 1 and 3 are first raised vertically as the two parts 21, 22 of the support arm 2 are rotated relative to each other, the PTO shaft 15 will first be stretched a bit, which will always be possible because it overlaps between the two parts of the PTO shaft. which is required for during operation to transmit the required forces is greater than the minimum 20 overlaps which may be allowed when no forces are transferred. The mower is then swung in behind the tractor to the one in fig. 4, the PTO shaft 15 will again be shot one piece together, but it will never be shot as far together as it will be, 25 if the mower during the adjustment from the one shown in FIG. 1 and 3 to the position shown in FIG. 4, the position shown in FIG. 2. Therefore, the mower according to the invention is not necessarily subject to the strict geometric conditions described in EP-A-0 514 314 when only the shaft 15 is not too far from the support arm 2 and the pivot joint 20. In the illustrated embodiment, the shaft joint 17 is located substantially vertical below the axis of pivot 20 when the mower is in working position.
Claims (3)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK9500313U DK9500313U4 (en) | 1995-08-18 | 1995-08-18 | Lift-mounted mower |
| DE29614199U DE29614199U1 (en) | 1995-08-18 | 1996-08-16 | Lift-hung mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK9500313U DK9500313U4 (en) | 1995-08-18 | 1995-08-18 | Lift-mounted mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK9500313U4 true DK9500313U4 (en) | 1996-11-18 |
Family
ID=8155280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK9500313U DK9500313U4 (en) | 1995-08-18 | 1995-08-18 | Lift-mounted mower |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE29614199U1 (en) |
| DK (1) | DK9500313U4 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19813233C2 (en) * | 1998-03-26 | 2000-11-30 | Krone Bernhard Gmbh Maschf | mower |
| ES2539808T5 (en) | 2013-04-11 | 2018-10-29 | Kverneland Group Kerteminde As | Mower and alignment unit |
| EP2829168B2 (en) | 2013-07-22 | 2024-06-12 | Kverneland Group Kerteminde AS | Mower |
| ES2866405T3 (en) | 2013-12-23 | 2021-10-19 | Kverneland Group Kerteminde As | Agricultural machine |
| EP3158846B1 (en) | 2015-10-09 | 2020-06-24 | Kverneland Group Kerteminde AS | Carrier assembly |
| USD800179S1 (en) | 2016-04-15 | 2017-10-17 | Kverneland Group Kerteminde As | Mower unit |
-
1995
- 1995-08-18 DK DK9500313U patent/DK9500313U4/en not_active IP Right Cessation
-
1996
- 1996-08-16 DE DE29614199U patent/DE29614199U1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE29614199U1 (en) | 1996-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UUP | Utility model expired |