FR2520715A1 - Fork lift truck - has articulated telescopic arms which enable fork to be manipulated - Google Patents
Fork lift truck - has articulated telescopic arms which enable fork to be manipulated Download PDFInfo
- Publication number
- FR2520715A1 FR2520715A1 FR8201756A FR8201756A FR2520715A1 FR 2520715 A1 FR2520715 A1 FR 2520715A1 FR 8201756 A FR8201756 A FR 8201756A FR 8201756 A FR8201756 A FR 8201756A FR 2520715 A1 FR2520715 A1 FR 2520715A1
- Authority
- FR
- France
- Prior art keywords
- articulated
- telescopic
- arms
- arm
- forklift
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
- B66F9/0655—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted with a telescopic boom
Abstract
Description
La présente invention concerne un chariot élévateur à bras télescopiques articulés
Les chariots élévateurs classiques comportent généra -lement.une rampe télescopique t les charges ie sont soule -vées que verticalement par rapport au sol et le chariot doit approcher de très près du lieu de charge
Par ailleurs, il existe des chariota à bras articules ou même à bras coulissants qui donnent de meilleures possi -bilitds que les chariots classiques.Toutefois ces chariots ne sont pas très maniables en portée et en charge, les mouvements de dépliage de ces appareils ne se font pas de fPgon géométrique simple, le dépliage se fait dans l'espace de façon désordonnée e
L'invention a pour but d'améliorer les mouvements de ces chariots tant sur le plan vertical qu'horizontal, en ce qui concerne le levage .D'autre part1 l'invention per -met au chariot de descendre en fouille, de déposer des charges de l'autre côté d'un mur et d'élever des charges presque verticâlement et très haut
Un chariot élévat@ur à bras télescopiques articulés est caractérisé en ce qu'il comprend une première rampe télescopique mâe par un vérin et dont l'inclinaison est assurée par deux vérins articulés au châssis et une deu -xième rampe télescopique mûe par un autre vérin , le mouvement d'inclinaison étant donné par un cinquième vérin , ces rampes permettant en les articulant l'une à l'autre à la manière d'un compas de réaliser un engin équivalent à une grue et de porter un tablier d'accro- -chage inclinable grâce à un vérin supplémentaire.The present invention relates to a forklift with articulated telescopic arms
Conventional forklifts generally include a telescopic ramp and the loads, ie are lifted only vertically with respect to the ground and the truck must approach very close to the place of loading.
In addition, there are chariota with articulated arms or even with sliding arms which give better possibilities than conventional trolleys. However, these trolleys are not very handy in terms of reach and load, the unfolding movements of these devices are not do not make a simple geometric fPgon, the unfolding is done in space in a disordered way e
The invention aims to improve the movements of these carriages both vertically and horizontally, with regard to lifting. On the other hand the invention allows the trolley to go down in excavation, to deposit loads on the other side of a wall and raise loads almost vertically and very high
A forklift truck with articulated telescopic arms is characterized in that it comprises a first telescopic ramp driven by a jack and whose inclination is ensured by two jacks articulated to the chassis and a second telescopic ramp driven by another jack. , the tilting movement being given by a fifth cylinder, these ramps making it possible, by articulating them one to the other in the manner of a compass, to produce a machine equivalent to a crane and to carry an apron - tilting shower thanks to an additional cylinder.
Suivant une caractéristique supplémentaire de l'in -vention, le premier bras est articulé au châssis
Suivant une autre @aractéristique de l'invention , le deuxième bras comporte une partie coudée qui est télescopique.According to an additional characteristic of the invention, the first arm is articulated to the chassis
According to another characteristic of the invention, the second arm has a bent part which is telescopic.
Suivant une caractéristique supplémentaire de l'invention , brie autre rampe télescopique s'adapte éventuellement à la deuxième, permettant ainsi la sur
élévation .According to an additional characteristic of the invention, brie another telescopic ramp optionally adapts to the second, thus allowing the
elevation .
Suivant une autre caractéristique de l'invention, en bout du deuxième bras télescopique une pièce dite tablier d'accrochage est axée et articulée, cette pièce étant incli -nable grâce eu vérin
Suivant une autre caractéristique de l'invention , l'appereil est on position à vide, bras repliés contre le poste de conduite
Suivant une autre caractéristique de l'invention en bout du tablier peuvent s'adapter les options du cha -riot classique cornai la potence avec treuil, le déplace -ment latéral e le godet, la pince à parpaings ou autre instrument analogue
Suivant une autre caractéristique de l'invention le deuxième vérin est commandé manuellement par un distr@- -buteur séparé
Les dessins annexés, donnés à titre d'exemples non limitatifs, permettront de mieux comprendre les caractéris -tiques de l'invention.According to another characteristic of the invention, at the end of the second telescopic arm, a part known as an attachment apron is centered and articulated, this part being inclinable by means of a jack.
According to another characteristic of the invention, the apparatus is in the empty position, arms folded against the driving position
According to another characteristic of the invention, at the end of the apron, the options of the classic trolley can be adapted, the bracket with the winch, the lateral movement and the bucket, the concrete block clamp or the like
According to another characteristic of the invention, the second cylinder is manually controlled by a separate distr @ - -butor
The appended drawings, given by way of nonlimiting examples, will allow a better understanding of the characteristics of the invention.
Fig. 1 est une vue du chariot en position transport,
bras replis e
Fig.2 est une vue du chariot en position compas à l'équerre .Fig. 1 is a view of the carriage in the transport position,
folded arms
Fig.2 is a view of the carriage in the compass position at right angles.
Fig.3 est une vue du chariot en position compas ouvert au maximum . Fig.3 is a view of the carriage in the fully open compass position.
Fig. 4 est une vue détaillée du chariot en posi -tion à liéquerre , selon l'invention . Fig. 4 is a detailed view of the carriage in posi -tion with binding, according to the invention.
Fig. 5 est une vue du chariot en position de fouille . Fig. 5 is a view of the carriage in the excavation position.
Fig. 6 est une vue du chariot en dépose de charge
derrière un mur
Fig. 7 est une vue du chariot en position maximum de hauteur , bras sorti selon l'invention
On e représenté sur la figure 1 un chariot suivant l'invention . Le chariot peut être à deux ou quatre roues motrices avec roues égales par exemple ou mtme articulées pour obtenir la direction
Un châssis 1 reçoit des essieux avant 2 et arrière 3
Un contrepoids 4 est fixé à l'arrière . Un moteur ther -mique se trouve en 5
L'appareil est en position transport à vide, bras replié 9. Fig. 6 is a view of the trolley when depositing the load
behind a wall
Fig. 7 is a view of the carriage in maximum height position, arm extended according to the invention
Is shown in Figure 1 a carriage according to the invention. The trolley can be with two or four driving wheels with equal wheels for example or even articulated to obtain the direction
A chassis 1 receives front 2 and rear 3 axles
A counterweight 4 is fixed at the rear. There is a heat engine in 5
The device is in the empty transport position, arm folded 9.
contre le poste de conduite 8
Un premier bras ou rampe télescopique 9 est composé d'un bras extérieur 10 et d'un bras intérieur 11 coulissant dans 10, lequel comporte à sa partie supérieure une partie coudée munie d'une articulation 12
Ce premier ensemble est mu par un vérin à double effet 13 situé à l'intérieur du bras télescopique Il le corps du vérin étant fixé sur le bras 10, et la tige fixée au bras 11 . Quand le vérin 13 est complètement sorti, le bras est dans la position de la figure 2
Ce bras télescopique 9 est lui-meme articulé en 14 sur le chipais 1 et inclinable grâce à deux vérins à dou -ble effet 15 dont le corps est articulé sur le montant16 du châssis 1 en 28 et dont la tige 17 est articulée sur le bras extérieur 10
Dans la figure 1 , le compas est replié au maximum vers l'arrière .Dans la figure 2, le compas est incliné au maximum vers l'avant
Un deuxième bras télescopique 18 est composé d'un bras extérieur 19 et d'un bras intérieur 29 lequel comporte une partie légèrement coude faisant articulation 21
Ce deuxième ensemble télescopique est mû par un vérin double 20 situé à l'intérieur du bras télescopique 180
Bien entendu* comme dans le cas du premier bras* le corps du vérin est fizé en 19, la tige est fixée en 20.against the driving position 8
A first telescopic arm or ramp 9 is composed of an outer arm 10 and an inner arm 11 sliding in 10, which comprises at its upper part a bent part provided with a hinge 12
This first assembly is moved by a double-acting cylinder 13 situated inside the telescopic arm II, the body of the cylinder being fixed on the arm 10, and the rod fixed to the arm 11. When the cylinder 13 is completely extended, the arm is in the position of FIG. 2
This telescopic arm 9 is itself articulated at 14 on the chipais 1 and tiltable by means of two double-acting cylinders 15 whose body is articulated on the upright 16 of the chassis 1 at 28 and whose rod 17 is articulated on the arm outdoor 10
In figure 1, the compass is folded back as far as possible. In figure 2, the compass is tilted as far forward as possible.
A second telescopic arm 18 is composed of an outer arm 19 and an inner arm 29 which has a slightly bent part forming an articulation 21
This second telescopic assembly is moved by a double jack 20 located inside the telescopic arm 180
Of course * as in the case of the first arm * the body of the jack is fixed in 19, the rod is fixed in 20.
Quand le vérin est complètement sorti, le bras est dans la position de la figure 2
Pour assurer l'ouverture et la fermeture du compas, le bras extérieur 19 comporte une partie coude laquelle s'articule en 12 avec le bras intérieur 11. When the cylinder is fully extended, the arm is in the position of figure 2
To ensure the opening and closing of the compass, the outer arm 19 has an elbow part which is articulated at 12 with the inner arm 11.
L'ouverture et la fermeture du compas sont assurées
par un vérin hydraulique à double effet 23 dont ltextrd- - mité inférieure est axée en 24 sur le bras extérieur 10 et l'extrémité supérieure axée en 22 sur le bras extérieur 19
Au bout du deuxième bras télescopique 18 et principale -ment sur le bras intérieur 29 une pièce dite tablier d'accrochage 30 est axée et articulée en 21.Ce tablier est inclinable grâce à un vérin double effet 25 dont le corps est articulé en 26 sur le bras intérieur 29, et dont la tige est articule en 27 sur le tablier
Le vérin 25 est commandé hydrauliquement, mais il y a aussi la possibilité d'une commande manuelle par un distributeur séparé
Les deux vérins 23 et 25 sont disposés géométri- -quement dans l'espace de façon que la quantité d'huile libérée dans un vérin soit transmise à l'autre et inversement .The opening and closing of the compass are ensured
by a double-acting hydraulic cylinder 23, the lower part of which is centered at 24 on the outer arm 10 and the upper end is oriented at 22 on the outer arm 19
At the end of the second telescopic arm 18 and the main arm on the inner arm 29, a part known as the hanging apron 30 is oriented and articulated at 21. This apron is tiltable thanks to a double-acting cylinder 25 whose body is articulated at 26 on the inner arm 29, and the rod of which is articulated at 27 on the apron
The cylinder 25 is hydraulically controlled, but there is also the possibility of manual control by a separate distributor
The two jacks 23 and 25 are arranged geometrically in space so that the quantity of oil released in one jack is transmitted to the other and vice versa.
Sur la figure 3 on voit le bras à sa position , com
-pas ouvert au maximum . La figure 4 est une vue détaillée
de la figure 2
Sur la figure 5 on voit le chariot en position de
fouille, le bras 18 étant à la verticale, parallèle au
bras 10 . Sur la figure 6 on voit le chariot, le bras 18
venant en position allongée prendre une charge par-dessus
un mur .Figure 7 montre les traJectoires possibles pour
les bras ainsi que peur le tablier 30
Le fenctiennement est le suivant
Sous l'effet du vérin 13 et du vérin15,le bras té
-lescopique 9 va monter et se mettre en position verti
-cale, tandis que le bras 18 va se déployer à lthorizon- -tale sous l'effet de l'articulation 12 et des vérins 20 et 23 selon figure 2
On oomprend que si on veut arriver dans la position iliustrée par la fig.3 qui est très similaire à celle d'une grue, il suffit de sortir @n core plus la tige du vé -rin 23 .In Figure 3 we see the arm in its position, com
- not open to the maximum. Figure 4 is a detailed view
of figure 2
In Figure 5 we see the carriage in the position of
excavation, the arm 18 being vertical, parallel to the
arm 10. In Figure 6 we see the carriage, the arm 18
coming in a lying position take a load over
a wall. Figure 7 shows the possible trajectories for
arms as well as fear the apron 30
The window is as follows
Under the effect of the jack 13 and the jack 15, the arm tee
-lescopique 9 will go up and get in vertical position
-shim, while the arm 18 will deploy to the horizon- -tale under the effect of the joint 12 and the cylinders 20 and 23 according to Figure 2
We understand that if we want to arrive in the position illustrated by fig. 3 which is very similar to that of a crane, it suffices to take out @n core plus the rod of the cylinder 23.
Dans les cas des figures 5 et 6 , dans la position
de fouille et de charge par-dessus un mur peu élevé, l'arti
-culation 12 joue son rôle , les deux vérins 13 et 15
sont sortis , le bras 9 est en position verticale, le vé-
-rin 20 vient en appui, et le vérin 23 est déployé au ma
-ximum . On voit que l'invention procure les principaux
avantages suivants
-Les charges peuvent être déple cées soit hori
zontalement, soit verticalement, soit dans l'espace en
jumelant les deux mouvements e
- Les charges peuvent être descendues verticale -ment dans des fosses ou des trous
- Les charges pouvent être déposées derrière un mur
- Cet appareil de levage peut naturellement autre adapté sur tout autre appareil s sur un quai , sur un châssis de camion
- Cet appareil a des capacités de portée supérieures aux autres In the cases of FIGS. 5 and 6, in the position
digging and loading over a low wall, the arti
-culation 12 plays its role, the two cylinders 13 and 15
are out, arm 9 is in vertical position, the
-rin 20 comes to bear, and the jack 23 is deployed in the ma
- maximum. We see that the invention provides the main
following advantages
-The charges can be split either hori
horizontally, either vertically or in space in
combining the two movements e
- Loads can be lowered vertically - in pits or holes
- Loads can be placed behind a wall
- This lifting device can naturally be adapted on any other device on a quay, on a truck chassis
- This device has higher range capabilities than others
Claims (8)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8201756A FR2520715A1 (en) | 1982-01-29 | 1982-01-29 | Fork lift truck - has articulated telescopic arms which enable fork to be manipulated |
| FR8210078A FR2528027A2 (en) | 1982-01-29 | 1982-06-03 | Lifting truck with non telescopic pivoted arms - has hydraulic connection between jib and fork actuators giving proportional movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8201756A FR2520715A1 (en) | 1982-01-29 | 1982-01-29 | Fork lift truck - has articulated telescopic arms which enable fork to be manipulated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2520715A1 true FR2520715A1 (en) | 1983-08-05 |
Family
ID=9270644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8201756A Withdrawn FR2520715A1 (en) | 1982-01-29 | 1982-01-29 | Fork lift truck - has articulated telescopic arms which enable fork to be manipulated |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2520715A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2560557A1 (en) * | 1984-03-01 | 1985-09-06 | Louveau Eric | Pneumatic-tyred tractor with lifting mechanism |
| WO1986001190A1 (en) * | 1984-08-07 | 1986-02-27 | Oedlund Bjoern Alf Ingemar | Unit, attachable to a loader |
| FR2572377A1 (en) * | 1984-10-26 | 1986-05-02 | Mailleux Louis | LIFT DEVICE FOR LOADERS OF AGRICULTURAL TRACTORS |
| FR2581636A1 (en) * | 1985-05-07 | 1986-11-14 | Audureau Sa | Lifting-truck equipment enabling the load to be lifted and advanced |
| EP0410082A1 (en) * | 1989-07-27 | 1991-01-30 | Kidde Industries Inc. | A forklift truck having a telescopic auxiliary boom articulated to a telescopic main boom |
| US5244336A (en) * | 1991-09-11 | 1993-09-14 | Riggers Manufacturing Co, Inc. | Mobile lifting apparatus with fork attachment |
| US6585475B1 (en) * | 1998-10-05 | 2003-07-01 | Rotobloc Sarl | Device for handling parts, in particular sheet metal coils and apparatus equipped with same |
| GB2575825A (en) * | 2018-07-24 | 2020-01-29 | Cargotec Res & Development Ireland Limited | A truck mounted forklift |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1308396A (en) * | 1960-12-28 | 1962-11-03 | Swing crane capable of being mounted on a trolley and having a extendable and length-adjustable boom and a support column with a cylinder and hydraulic piston | |
| BE662439A (en) * | 1964-04-17 | 1965-08-02 | ||
| US3432050A (en) * | 1967-04-17 | 1969-03-11 | Pettibone Mulliken Corp | Reaching loader with guided lift cylinders |
| GB1174255A (en) * | 1965-12-22 | 1969-12-17 | Firm Antonio Valla & C S N C | An Improved Mechanical Handling Apparatus |
| FR2091898A1 (en) * | 1970-04-09 | 1971-01-21 | Potain Sa | |
| FR2085928A1 (en) * | 1970-04-08 | 1971-12-31 | Tranchero Jacques | |
| US3647099A (en) * | 1969-12-11 | 1972-03-07 | Pettibone Corp | Interposable mast |
| FR2183782A1 (en) * | 1972-05-05 | 1973-12-21 | Clark Equipment Co | |
| FR2223209A1 (en) * | 1973-03-28 | 1974-10-25 | Levy Jacques | Machine for handling and lifting - is hydraulically operated lorry borne crane type fork lift assembly |
| FR2306161A1 (en) * | 1975-04-04 | 1976-10-29 | Transports Reunis | Lifting machine passing loads through windows - has supports sliding in mounting at head of telescopic mast |
-
1982
- 1982-01-29 FR FR8201756A patent/FR2520715A1/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1308396A (en) * | 1960-12-28 | 1962-11-03 | Swing crane capable of being mounted on a trolley and having a extendable and length-adjustable boom and a support column with a cylinder and hydraulic piston | |
| BE662439A (en) * | 1964-04-17 | 1965-08-02 | ||
| GB1174255A (en) * | 1965-12-22 | 1969-12-17 | Firm Antonio Valla & C S N C | An Improved Mechanical Handling Apparatus |
| US3432050A (en) * | 1967-04-17 | 1969-03-11 | Pettibone Mulliken Corp | Reaching loader with guided lift cylinders |
| US3647099A (en) * | 1969-12-11 | 1972-03-07 | Pettibone Corp | Interposable mast |
| FR2085928A1 (en) * | 1970-04-08 | 1971-12-31 | Tranchero Jacques | |
| FR2091898A1 (en) * | 1970-04-09 | 1971-01-21 | Potain Sa | |
| FR2183782A1 (en) * | 1972-05-05 | 1973-12-21 | Clark Equipment Co | |
| FR2223209A1 (en) * | 1973-03-28 | 1974-10-25 | Levy Jacques | Machine for handling and lifting - is hydraulically operated lorry borne crane type fork lift assembly |
| FR2306161A1 (en) * | 1975-04-04 | 1976-10-29 | Transports Reunis | Lifting machine passing loads through windows - has supports sliding in mounting at head of telescopic mast |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2560557A1 (en) * | 1984-03-01 | 1985-09-06 | Louveau Eric | Pneumatic-tyred tractor with lifting mechanism |
| WO1986001190A1 (en) * | 1984-08-07 | 1986-02-27 | Oedlund Bjoern Alf Ingemar | Unit, attachable to a loader |
| US4806067A (en) * | 1984-08-07 | 1989-02-21 | Oedlund Bjoern A I | Unit, attachable to a loader |
| FR2572377A1 (en) * | 1984-10-26 | 1986-05-02 | Mailleux Louis | LIFT DEVICE FOR LOADERS OF AGRICULTURAL TRACTORS |
| EP0185826A1 (en) * | 1984-10-26 | 1986-07-02 | Louis Marie Joseph Mailleux | Elevator device for agricultural tractor loaders |
| FR2581636A1 (en) * | 1985-05-07 | 1986-11-14 | Audureau Sa | Lifting-truck equipment enabling the load to be lifted and advanced |
| EP0410082A1 (en) * | 1989-07-27 | 1991-01-30 | Kidde Industries Inc. | A forklift truck having a telescopic auxiliary boom articulated to a telescopic main boom |
| US5244336A (en) * | 1991-09-11 | 1993-09-14 | Riggers Manufacturing Co, Inc. | Mobile lifting apparatus with fork attachment |
| US6585475B1 (en) * | 1998-10-05 | 2003-07-01 | Rotobloc Sarl | Device for handling parts, in particular sheet metal coils and apparatus equipped with same |
| GB2575825A (en) * | 2018-07-24 | 2020-01-29 | Cargotec Res & Development Ireland Limited | A truck mounted forklift |
| GB2575825B (en) * | 2018-07-24 | 2022-04-20 | Cargotec Res & Development Ireland Limited | A truck mounted forklift |
| US11608255B2 (en) * | 2018-07-24 | 2023-03-21 | Cargotec Research & Development Ireland Limited | Truck mounted forklift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |