FR2544973A1 - Improvements to swivelling driving seats, in particular for forestry vehicles - Google Patents
Improvements to swivelling driving seats, in particular for forestry vehicles Download PDFInfo
- Publication number
- FR2544973A1 FR2544973A1 FR8306988A FR8306988A FR2544973A1 FR 2544973 A1 FR2544973 A1 FR 2544973A1 FR 8306988 A FR8306988 A FR 8306988A FR 8306988 A FR8306988 A FR 8306988A FR 2544973 A1 FR2544973 A1 FR 2544973A1
- Authority
- FR
- France
- Prior art keywords
- seat
- machine
- swivelling
- seat according
- forestry
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/14—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
- B60N2/143—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access taking a position opposite to the original one
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/79—Adaptations for additional use of the arm-rests
- B60N2/797—Adaptations for additional use of the arm-rests for use as electrical control means, e.g. switches
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
PERFECTIONNEMENTS AUX SINGES DE PILOTAGE PIVOTANT S
NOTAMMENT D'ENGINS FORESTIERS
La présente. invention a trait aux postes de pilotage d'engins forestiers ou de travaux publics en particulier.IMPROVEMENTS ON PIVOTING PILOTAGES
ESPECIALLY FOREST MACHINERY
The current. invention relates to the cockpits of forestry or public works vehicles in particular.
Pour l'utilisation par exemple d'un tracteur forestier polyvalent en débroussaillage-broyage-récupération des copeaux, et pour le travail à la grue, il est indispensable de faire pivoter de 180 le siège du conducteur. For example, when using a multipurpose forestry tractor for brushcutting, shredding and chip recovery, and for working with a crane, it is essential to rotate the driver's seat 180.
Le but de la présente invention est de proposer une nouvelle structure de poste de pilotage permettant d'éviter l'utilisation de tuyaux flexibles peu endurants et d'un encombrement gênant sous le siège du conducteur. The object of the present invention is to propose a new cockpit structure making it possible to avoid the use of flexible pipes which are not very durable and of a disturbing bulk under the driver's seat.
A cet effet, l'invention a pour objet un siège de pilotage pivotant notamment pour engins forestiers,caractérisé en ce qu'il comporte un raccord rotatif multicanaux monté dans l'axe de rotation du siege et mettant en communication en per manence, quelle que soit la postion dudit siège, d'une part, une conduite reliée à une source de fluide hydraulique portée par l'engin avec deux distributeurs commandés par leviers et disposés sur le siège de part et d'autre de ce dernier, et d'autre part, les différentes voies de commande de chaque distributeur chacune avec une conduite déterminée reliée à l'un des organes ou équipements à commander de l'engin, en fonction de la position du levier considéré. To this end, the subject of the invention is a pivoting pilot seat, in particular for forestry machinery, characterized in that it comprises a multi-channel rotary connector mounted in the axis of rotation of the seat and constantly communicating, whatever either the position of said seat, on the one hand, a pipe connected to a source of hydraulic fluid carried by the machine with two distributors controlled by levers and arranged on the seat on either side of the latter, and on the other share, the different control channels of each distributor each with a specific line connected to one of the organs or equipment to control the machine, depending on the position of the lever in question.
Avantageusement, le siège comporte en outre un dispositif de sécurité interdisant le fonctionnement de l'engin lorsque le siège n1 est pas dans l'une des deux positions de conduite avant ou arrière, ledit dispositif comprenant un dispositif de verrouillage du siege dans les deux positions susdites et un dispositif monté fixe de détection de la posi tion voerouiilée du siège, commandant la mise en ou hors service du circuit de pilotage de l'engin. Advantageously, the seat further comprises a safety device prohibiting the operation of the machine when the seat is not in one of the two driving positions, front or rear, said device comprising a device for locking the seat in the two positions. aforementioned and a fixed mounted device for detecting the position of the seat in motion, controlling the activation or deactivation of the control circuit of the vehicle.
Suivant une autre caractéristique, le siège peut comporter en outre un dispositif inversant, lorsque le siège passe de l'une desdites positions avant ou arrière à. l'autre position, le sens de circulation des fluides affectés à la direction de l'engin. According to another characteristic, the seat may further comprise an inverting device, when the seat passes from one of said front or rear positions to. the other position, the direction of circulation of the fluids assigned to the direction of the machine.
D'autres caractéristiques et avantages ressortiront de la description qui va suivre donnée à titre d'exemple uniquement et en regard du dessin annexé sur lequel
- Figure 1 illustre schématiquement le prin
cipe de fonctionnement d'un dispositif se
lon l'invention vu en élévation de face,
et
- Figure 2 représente le siège de la figure 1
vu de coté et équipé de dispositifs com plémentaires. Other characteristics and advantages will emerge from the description which follows, given by way of example only and with reference to the appended drawing in which
- Figure 1 schematically illustrates the prin
operation of a device
lon the invention seen in front elevation,
and
- Figure 2 shows the seat of Figure 1
seen from the side and equipped with additional devices.
Sur la figure 1 on a représenté en 1 le siège de pilotage pivotant par exemple d'un tracteur forestier équipé pour le débroussaillage-broyage-récupération des copeaux et dont on a simplement symbolisé en 2 sur le dessin le bâti plate-forme portant ledit siège 1. In Figure 1 there is shown in 1 the pivoting pilot seat for example of a forestry tractor equipped for brushcutting-grinding-recovery of shavings and of which we simply symbolized in 2 in the drawing the platform frame carrying said seat 1.
Le pivot central 3 sur lequel est monté le siège 1 est un pivot multicanaux à raccord rotatif dont la structure est telle qu'elle permet de raccorder, quelle que soit la position du siège 1, d'une part, un conduit symbolisé en 4 d'amenée de fluide hydraulique solidaire du bâti 2 avec deux canalisations 5 et 6 portées par le siege 1 et reliées à deux distributeurs schématisés en 7 et 8 disposés sur le châssis 9 du siège de part et d'autre de ce dernier et à portée de la main du conducteur, ces distributeurs 7 et 8 étant commandés par des leviers 10 eti.ll. The central pivot 3 on which the seat 1 is mounted is a multi-channel pivot with a rotary connection, the structure of which is such that it makes it possible to connect, whatever the position of the seat 1, on the one hand, a conduit symbolized in 4 d '' supply of hydraulic fluid integral with the frame 2 with two pipes 5 and 6 carried by the seat 1 and connected to two distributors shown diagrammatically at 7 and 8 arranged on the chassis 9 of the seat on either side of the latter and within reach of the driver's hand, these distributors 7 and 8 being controlled by levers 10 eti.ll.
On a symbolisé en tiretés en 12 la liaison établie en permanence à l'intérieur du raccord rotatif multicanaux entre la conduite 4 et les canalisations 5 et 6 d'amenée du fluide hydraulique de commande aux distributeurs 7 et 8. The permanently established connection inside the multi-channel rotary connection between the pipe 4 and the pipes 5 and 6 for supplying the hydraulic control fluid to the distributors 7 and 8 has been symbolized by dashed lines at 12.
Les différentes voies de commande des distributeurs 7 et 8 sont reliées par des canalisations 13 et 14 respectivement au raccord rotatif 3 qui les met en permanence en communication chacune avec l'une des diverses conduites 15 affectées à la direction de l'engin ou à la commande des divers équipements. The various control channels of the distributors 7 and 8 are connected by pipes 13 and 14 respectively to the rotary connector 3 which puts them permanently in communication each with one of the various conduits 15 assigned to the direction of the machine or to the control of various equipment.
Le fluide hydraulique de pilotage arrive par le conduit 4, traverse le raccord rotatif multicircuit 3 et va alimenter par les canalisations 5 et 6 les distributeurs 7 et 8 commandés par les leviers de contrôle 10 et 11. The hydraulic control fluid arrives via the conduit 4, passes through the multicircuit rotary connector 3 and will supply by the pipes 5 and 6 the distributors 7 and 8 controlled by the control levers 10 and 11.
Lorsqu'on agit sur le levier 11 par exemple on peut commander soit la direction de l'engin pour le travail, le volant étant alors hors circuit, soit les équipements tels que la pelle avant. Lorsqu'on agit sur le levier 10 on peut commander tous les équipements arrière notamment le débrous saillage-broyage-récupération des copeaux. When the lever 11 is acted on, for example, it is possible to control either the direction of the machine for the work, the steering wheel then being switched off, or the equipment such as the front shovel. When the lever 10 is operated, all of the rear equipment can be controlled, in particular the salting-grinding-chip recovery.
Les distributeurs 7 et 8 redistribuent le fluide aux conduits 15 sélectivement selon la position des leviers 10, 11. The distributors 7 and 8 redistribute the fluid to the conduits 15 selectively according to the position of the levers 10, 11.
Comme on peut s'en rendre compte baisement, il faudrait avoir en l'absence du raccord rotatif multicircuit 3, de multiples tuyaux flexibles très encombrants sous le siège 1. De tels tuyaux flexibles ont par ailleurs une endurance limitee sous les contraintes de torsion qui leur sont imposées lors des rotations du singe 1. As we can see, it would be necessary to have, in the absence of the multicircular rotary connector 3, multiple very bulky flexible pipes under the seat 1. Such flexible pipes also have limited endurance under the torsional stresses which are imposed on them during monkey rotations 1.
Accessoirement, l'occupant du siège 1 dispose d'une plus grande liberté de mouvement puisqu'il n'est pas limité par loepossibilités de déformation des tuyaux flexibles. Incidentally, the occupant of seat 1 has greater freedom of movement since it is not limited by the possibilities of deformation of the flexible pipes.
Par mesure de sécurité, le véhicule ne peut fonctionner si le siège 1 n'est pas dans une des deux positions fixes avant ou arrière. Ce résultat est obtenu (fig. 2) grâce à deux manocontacts 16 et 17 commandés par un dispositif 18 de verrouillage du siège 1. For safety reasons, the vehicle cannot operate if the seat 1 is not in one of the two fixed positions, front or rear. This result is obtained (fig. 2) thanks to two pressure switches 16 and 17 controlled by a device 18 for locking the seat 1.
Le dispositif 18 est constitué par exemple dgune tige 19 portée par le châssis 9 du siège et mobile verticalement de manière à pouvoir s'engager dans l'un ou l'autre de deux plots 20 et 21 fixés au bâti 2 et diamétralement opposés par rapport à l'axe de rotation du siege 1. The device 18 consists for example of a rod 19 carried by the chassis 9 of the seat and movable vertically so as to be able to engage in one or the other of two studs 20 and 21 fixed to the frame 2 and diametrically opposite with respect to to the axis of rotation of the seat 1.
La tige 19 est, par exemple, engagée dans un trou vertical du plot 20 pour verrouiller le siège en position avant et engagée dans un trou du plot 21 pour verrouiller le siège en position arrière
Les manocontacts 16 et 17 sont disposés au droit des deux plots 20 et 21 respectivement de manière à pouvoir être sollicités par la tige 19 engagée dans l'un ou l'autre des plots 20,21.The rod 19 is, for example, engaged in a vertical hole in the stud 20 to lock the seat in the front position and engaged in a hole in the stud 21 to lock the seat in the rear position
The pressure switches 16 and 17 are arranged in line with the two studs 20 and 21 respectively so that they can be urged by the rod 19 engaged in one or the other of the studs 20, 21.
Les manocontacts 16 et 17 sont reliés en parallèle au circuit d'excitation d'une électrovanne 22 dont la fonction est de couper le circuit de pilotage,que le tracteur soit en marche avant (flèche 23) ou en marche arrière (flèche 24). The pressure switches 16 and 17 are connected in parallel to the excitation circuit of a solenoid valve 22 whose function is to cut the control circuit, whether the tractor is in forward gear (arrow 23) or in reverse gear (arrow 24).
Dans le cas de la marche arrière, pour conserver la même fonction aux leviers 10 et 11 quand le siège est dans la position de marche arriêre (tige 19 en 21) ou en position de marche avant (tige 19 en 20), il a été prévu,en outre, un manocontact supplémentaire 25 travaillant en parallèle avec le manocontact 17,c1est-à-dire sollicité lorsque la tige 19 est en 21. In the case of reverse, to keep the same function at levers 10 and 11 when the seat is in the reverse position (rod 19 at 21) or in the forward position (rod 19 at 20), it has been provided, in addition, an additional pressure switch 25 working in parallel with the pressure switch 17, that is to say biased when the rod 19 is at 21.
Le manocontact 25 excite une électrovanne 26 qui inverse les fonctions des canalisations 27 et 28 desservant la direction. The pressure switch 25 excites a solenoid valve 26 which reverses the functions of the pipes 27 and 28 serving the steering.
Il en résulte que le conducteur n' a pas à modifier sa façon de manoeuvrer, que le siège 1 soit en position marche avant ou en position marche arrière. It follows that the driver does not have to change his way of maneuvering, whether the seat 1 is in the forward position or in the reverse position.
Enfin l'invention n'est évidemment pas limitée au mode de réalisation représenté et décrit ci-dessus mais en couvre au contraire toutes les variantes, notamment en ce qui concerne la structure et llagencement du raccord rotatif multicanaux 3, les moyens de verrouillage du siège en position avant ou arrière ou les moyens de commande d'inversion des fonctions de direction lors du passage de l'une des positions avant ou arrière du siège à l'autre position. Finally, the invention is obviously not limited to the embodiment shown and described above, but on the contrary covers all variants thereof, in particular as regards the structure and arrangement of the multi-channel rotary connector 3, the seat locking means. in the front or rear position or the control means for reversing the steering functions when switching from one of the front or rear positions of the seat to the other position.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8306988A FR2544973B1 (en) | 1983-04-26 | 1983-04-26 | IMPROVEMENTS ON PIVOTING PILOT SEATS IN PARTICULAR FOREST MACHINERY |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8306988A FR2544973B1 (en) | 1983-04-26 | 1983-04-26 | IMPROVEMENTS ON PIVOTING PILOT SEATS IN PARTICULAR FOREST MACHINERY |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2544973A1 true FR2544973A1 (en) | 1984-11-02 |
FR2544973B1 FR2544973B1 (en) | 1985-08-16 |
Family
ID=9288307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8306988A Expired FR2544973B1 (en) | 1983-04-26 | 1983-04-26 | IMPROVEMENTS ON PIVOTING PILOT SEATS IN PARTICULAR FOREST MACHINERY |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2544973B1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0213886A2 (en) * | 1985-08-27 | 1987-03-11 | M.I.M. Holdings Limited | Bi-directional vehicle control station |
US6450278B1 (en) * | 1999-08-03 | 2002-09-17 | Kobelco Construction Machinery Co., Ltd. | Construction machine with a duct for hydraulic hoses |
EP1264940A1 (en) * | 2001-06-08 | 2002-12-11 | NEW HOLLAND ITALIA S.p.A. | Bi-directional earth-moving machine having a special control lever arrangement |
WO2005035882A2 (en) * | 2003-10-03 | 2005-04-21 | The Charles Machine Works, Inc. | Multi-function work machine |
EP1627962A1 (en) * | 2004-08-19 | 2006-02-22 | Komatsu Utility Europe S.p.A. | Bi-directional earth moving machine |
EP1889744A1 (en) * | 2006-08-18 | 2008-02-20 | Deere & Company | Swivel seat with hydraulic connections |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1067730B (en) * | 1955-01-08 | 1959-10-22 | Schopf Maschb G M B H | Bucket loader mounted on a motor vehicle |
US3039553A (en) * | 1957-10-10 | 1962-06-19 | Lely Nv C Van Der | Steering control arrangement for tractor having rotatable seat |
US3085644A (en) * | 1959-04-21 | 1963-04-16 | Patent Concern Nv | Tractor control and driving means therefor |
US3254900A (en) * | 1964-05-12 | 1966-06-07 | Allen Max Lee | Vehicle with adjustable operator's station for moving semi-trailers |
US3265149A (en) * | 1964-12-14 | 1966-08-09 | Drott Mfg Corp | Control mechanism for vehicles |
US3347558A (en) * | 1965-08-02 | 1967-10-17 | Toro Mfg Corp | Steering mechanism |
FR2175660A2 (en) * | 1972-03-17 | 1973-10-26 | Pingon Pierre Joseph | |
FR2211568A2 (en) * | 1972-12-27 | 1974-07-19 | Pingon Pierre Joseph | |
US4059171A (en) * | 1975-06-17 | 1977-11-22 | Daniel Pakosh | Reversible seat and steering console for tractors |
DE2705980A1 (en) * | 1977-02-12 | 1978-08-17 | Fendt & Co Xaver | Tractor cab with backwards and forwards facing steering systems - has slidable and rotatable seat mounted in guide track with switches to energise valves controlling flow to systems |
-
1983
- 1983-04-26 FR FR8306988A patent/FR2544973B1/en not_active Expired
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1067730B (en) * | 1955-01-08 | 1959-10-22 | Schopf Maschb G M B H | Bucket loader mounted on a motor vehicle |
US3039553A (en) * | 1957-10-10 | 1962-06-19 | Lely Nv C Van Der | Steering control arrangement for tractor having rotatable seat |
US3085644A (en) * | 1959-04-21 | 1963-04-16 | Patent Concern Nv | Tractor control and driving means therefor |
US3254900A (en) * | 1964-05-12 | 1966-06-07 | Allen Max Lee | Vehicle with adjustable operator's station for moving semi-trailers |
US3265149A (en) * | 1964-12-14 | 1966-08-09 | Drott Mfg Corp | Control mechanism for vehicles |
US3347558A (en) * | 1965-08-02 | 1967-10-17 | Toro Mfg Corp | Steering mechanism |
FR2175660A2 (en) * | 1972-03-17 | 1973-10-26 | Pingon Pierre Joseph | |
FR2211568A2 (en) * | 1972-12-27 | 1974-07-19 | Pingon Pierre Joseph | |
US4059171A (en) * | 1975-06-17 | 1977-11-22 | Daniel Pakosh | Reversible seat and steering console for tractors |
DE2705980A1 (en) * | 1977-02-12 | 1978-08-17 | Fendt & Co Xaver | Tractor cab with backwards and forwards facing steering systems - has slidable and rotatable seat mounted in guide track with switches to energise valves controlling flow to systems |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0213886A2 (en) * | 1985-08-27 | 1987-03-11 | M.I.M. Holdings Limited | Bi-directional vehicle control station |
EP0213886A3 (en) * | 1985-08-27 | 1987-08-05 | M.I.M. Holdings Limited | Bi-directional vehicle control station |
US6450278B1 (en) * | 1999-08-03 | 2002-09-17 | Kobelco Construction Machinery Co., Ltd. | Construction machine with a duct for hydraulic hoses |
EP1264940A1 (en) * | 2001-06-08 | 2002-12-11 | NEW HOLLAND ITALIA S.p.A. | Bi-directional earth-moving machine having a special control lever arrangement |
WO2005035882A2 (en) * | 2003-10-03 | 2005-04-21 | The Charles Machine Works, Inc. | Multi-function work machine |
WO2005035882A3 (en) * | 2003-10-03 | 2005-07-28 | Charles Machine Works | Multi-function work machine |
EP1627962A1 (en) * | 2004-08-19 | 2006-02-22 | Komatsu Utility Europe S.p.A. | Bi-directional earth moving machine |
EP1889744A1 (en) * | 2006-08-18 | 2008-02-20 | Deere & Company | Swivel seat with hydraulic connections |
Also Published As
Publication number | Publication date |
---|---|
FR2544973B1 (en) | 1985-08-16 |
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ST | Notification of lapse |