FR2659906A1 - Oleopnuematic system (replacing the upper link of a "three-point" hitch) which can be used on agricultural tractors - Google Patents
Oleopnuematic system (replacing the upper link of a "three-point" hitch) which can be used on agricultural tractors Download PDFInfo
- Publication number
- FR2659906A1 FR2659906A1 FR9004280A FR9004280A FR2659906A1 FR 2659906 A1 FR2659906 A1 FR 2659906A1 FR 9004280 A FR9004280 A FR 9004280A FR 9004280 A FR9004280 A FR 9004280A FR 2659906 A1 FR2659906 A1 FR 2659906A1
- Authority
- FR
- France
- Prior art keywords
- point
- tractor
- distributor
- cylinder
- adjustment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
- A01B59/002—Details, component parts
- A01B59/004—Length-adjustable links
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- 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
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
- A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
- A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/14—Draw-gear or towing devices characterised by their type
- B60D1/141—Arrangements or frames adapted to allow the connection of trailers to tractor three point hitches
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Transportation (AREA)
- Agricultural Machines (AREA)
Abstract
Description
Description
-r
L'invention part d'un tracteur agricole auquel est accouplé un instrunent de travail, soit à l'avant soit à l'arrière par un .systène d'attelage traditionnel du type trois points, en remplaçant i-la barre de liaison supérieure dite "troisiène point" par un
Xnsenble souple composé d'une part par un-verin rélié à un accumulateur avec anortisseur incorporé branché au distributeur sinple effet du tracteur au moyen d'une vanne haute pression et d'une conduite souple avec un raccord rapide et d'autre part d'une partie conprenant un réglage nécanique de longueur.Description
-r
The invention starts from an agricultural tractor to which a working implement is coupled, either at the front or at the rear by a traditional three-point hitching system, replacing i-the upper link bar known as "third point" by a
Xnsenble flexible composed on the one hand by a cylinder connected to an accumulator with built-in damper connected to the simple effect distributor of the tractor by means of a high pressure valve and a flexible pipe with a quick coupling and on the other hand a part including a mechanical length adjustment.
Ce troisième point spécial pernet de supprimer toute contrainte excessive - pendant les phases de transport sur sols irréguliers ou nanoeuvres au bout des parcelles y compris lors du retournenent de certains outils lourds - sur les organes qui suivent : essieu arrière, mécanisme conplet du relevage du tracteur, mécanisme complet d'attelage de outil utilisé, nécanisne d'articulation ou de retournenent, (par exemple charrue), bâti porteur de l'outil7 engin du travail du sol Rotalabour sur lequel est attelé un senoir lourd, mécanisme d'articulation du pont avant et de la direction. This third special point makes it possible to remove any excessive stress - during the phases of transport on irregular soils or nano-works at the end of the plots, including when turning over certain heavy tools - on the following components: rear axle, complete mechanism for lifting the tractor , complete hitching mechanism for the tool used, articulation or turning mechanism, (for example plow), frame carrying the tool7 Rotalabour soil-working machine on which a heavy senor is coupled, articulation mechanism of the bridge front and direction.
L'intérêt de cet instrunent est de casser en deux l'attelage tracteur plus outil - en l'articulant autour de l'axe (6), ce qui n est pas pernis avec tous les autres systèmes de suspension d'outils. The advantage of this tool is that it breaks the tractor plus implement coupling in two - by hinging it around the axis (6), which is not a problem with all other tool suspension systems.
Le nontage d'un troisième point de ce type supprime toutes les oscillations longitudinales et verticales provoquées par les irrégularités du sol qui conduisent à des efforts dynaniques sur le train avant du tracteur ce qui a pour effet de réduire la précision de direction par nanque d'adhérence du train avant jusqu'à rendre dangereuse la conduite rapide sur route. The fitting of a third point of this type eliminates all the longitudinal and vertical oscillations caused by the irregularities of the ground which lead to dynamic forces on the front axle of the tractor, which has the effect of reducing the steering precision by nanometer of grip of the front axle to make driving fast on the road dangerous.
D'autres principes sont déjà présentés. Ce sont souvent des nontages de conception plus conplexe et plus délicats:a maîtriser. Other principles are already presented. These are often shades of a more complex and more delicate design: to master.
Ces systèmes nettenent plus onéreux agissent sur le relevage des tracteurs récents par gestion électronique des pressions hydrauliques, de la position, de lteffort de traction, sur les bras inférieurs par l'intereédiaire de capteurs électroniques ou hydrauliques. These more expensive cleaning systems act on the lifting of recent tractors by electronic management of hydraulic pressures, position, traction force, on the lower arms by means of electronic or hydraulic sensors.
L'intérêt de notre troisiène point est donc de suppriner la raison rigide dis deux extrénités (avant du tracteur, arrière de outil} tout en reprenant naturellement sa position initiale (longueur) dans la phase de travail (outil baissé) avec son réglage par vis comme un troisiène point qornal. The interest of our third point is therefore to eliminate the rigid reason say two extremities (front of the tractor, rear of tool} while naturally resuming its initial position (length) in the working phase (tool lowered) with its adjustment by screw like a third point qornal.
iteffet de suspension ne se net en action que si le conducteur dégage l'outil du sol (levage, transport, 'manoeuvre de bout de parcelle). The suspension effect can only be seen in action if the driver clears the implement from the ground (lifting, transport, 'headland maneuver').
Du point de vue de la sécurité et du confort, tout cabrage du tracteur - dû soit aux nanoeuvres d'embrayagetrop violentes avec l'outil levé, soit aux freinages trop violents en narche arrière sur terrain en pente- devient pratiquement impossible. Ceci évite aussi toutes pertes de contrôle du véhicule dûes aux oscillations longitudinales et verticales, amplifiées par le poids et la longueur de ces outils, lors du transport sur bordures de chanps ou mauvais chenins bordés de talus. From the point of view of safety and comfort, any pitching up of the tractor - due either to violent clutch engagement with the tool raised, or to too severe braking in the rear gear on sloping ground - becomes practically impossible. This also avoids any loss of control of the vehicle due to the longitudinal and vertical oscillations, amplified by the weight and the length of these tools, during transport on edges of edges or poor tracks bordered by slopes.
Par remplacement du troisiène point traditionnel, cet accessoire pernet, pour un coût nodéré, d'équiper rapidenent et simplement tous les tracteurs agricoles actuels disposant d'un distributeur hydraulique sinple effet pour pernettre le réglage de l'accunulateur-anortisseur. By replacing the traditional third point, this accessory allows, for a moderate cost, to quickly and simply equip all current agricultural tractors with a single-effect hydraulic distributor to allow adjustment of the accumulator-shock absorber.
L'installation, le branchenent et le réglage peuvent être réalisés par le conducteur seul sans conpétences particulières et ceci d'un tracteur à un autre comme il le ferait avec un troisiène point classique. The installation, the connection and the adjustment can be carried out by the driver alone without particular skills and this from one tractor to another as he would with a conventional third point.
Résuaé du principe
Nous vous rappelons que le principe de suspension par articulation autour de l'axe (6) autorise un déplacement vertical nornal du train avant sans pour cela inposer le nouvenent inverse à l'arrière de outil Aussi, il autorise un déplacenent vertical sans pour cela inposer soit le délestage, soit l'écrasenent du train avant, et les oscillations de ltextrénité de outil, tout en pernettant le maintien de la hauteur de l'axe (8) par rapport au sol. Summary of the principle
We remind you that the principle of suspension by articulation around the axis (6) authorizes a normal vertical displacement of the front axle without for this inposing the new reverse to the rear of the tool Also, it authorizes a vertical displacement without thereby either the load shedding or the crushing of the front axle, and the oscillations of the tool extrenity, while preventing the maintenance of the height of the axis (8) relative to the ground.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9004280A FR2659906A1 (en) | 1990-03-26 | 1990-03-26 | Oleopnuematic system (replacing the upper link of a "three-point" hitch) which can be used on agricultural tractors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9004280A FR2659906A1 (en) | 1990-03-26 | 1990-03-26 | Oleopnuematic system (replacing the upper link of a "three-point" hitch) which can be used on agricultural tractors |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2659906A1 true FR2659906A1 (en) | 1991-09-27 |
Family
ID=9395419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9004280A Pending FR2659906A1 (en) | 1990-03-26 | 1990-03-26 | Oleopnuematic system (replacing the upper link of a "three-point" hitch) which can be used on agricultural tractors |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2659906A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997047175A1 (en) * | 1996-06-07 | 1997-12-18 | Mannesmann Rexroth Ag | Utility vehicle, especially for agriculture |
FR2769170A1 (en) * | 1997-10-08 | 1999-04-09 | Walterscheid Gmbh Gkn | SIDE TRAIL FOR THE LOWER CONNECTING ROD OF A TRACTOR |
WO2017101952A1 (en) * | 2015-12-17 | 2017-06-22 | Agro Intelligence Aps | A system for damping oscillations between a tractor and an agricultural implement during transport thereof |
RU2690418C1 (en) * | 2018-12-19 | 2019-06-03 | Общество с ограниченной ответственностью "Комбайновый завод "Ростсельмаш" | Mechanism for controlling tractor hitch weight |
-
1990
- 1990-03-26 FR FR9004280A patent/FR2659906A1/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997047175A1 (en) * | 1996-06-07 | 1997-12-18 | Mannesmann Rexroth Ag | Utility vehicle, especially for agriculture |
FR2769170A1 (en) * | 1997-10-08 | 1999-04-09 | Walterscheid Gmbh Gkn | SIDE TRAIL FOR THE LOWER CONNECTING ROD OF A TRACTOR |
WO2017101952A1 (en) * | 2015-12-17 | 2017-06-22 | Agro Intelligence Aps | A system for damping oscillations between a tractor and an agricultural implement during transport thereof |
DK201500814A1 (en) * | 2015-12-17 | 2017-07-03 | Agro Intelligence Aps | A system for damping oscillations between a tractor and an agricultural implement during transport thereof |
RU2690418C1 (en) * | 2018-12-19 | 2019-06-03 | Общество с ограниченной ответственностью "Комбайновый завод "Ростсельмаш" | Mechanism for controlling tractor hitch weight |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
AR | Application made for restoration | ||
BR | Restoration of rights |