EP2266885A1 - Pallet with locking system - Google Patents

Pallet with locking system Download PDF

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Publication number
EP2266885A1
EP2266885A1 EP10358004A EP10358004A EP2266885A1 EP 2266885 A1 EP2266885 A1 EP 2266885A1 EP 10358004 A EP10358004 A EP 10358004A EP 10358004 A EP10358004 A EP 10358004A EP 2266885 A1 EP2266885 A1 EP 2266885A1
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EP
European Patent Office
Prior art keywords
pallet
movable
holding
plate
actuating
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Withdrawn
Application number
EP10358004A
Other languages
German (de)
French (fr)
Inventor
Marc Lecomte
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2266885A1 publication Critical patent/EP2266885A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38—Details or accessories
    • B65D19/44—Elements or devices for locating articles on platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/0081—Elements or devices for locating articles
    • B65D2519/0082—Elements or devices for locating articles in the side wall

Definitions

  • the present invention relates to a pallet for storing or moving one or more object (s) or container (s) resting on the pallet.
  • a pallet ie a tray arranged to support one or more object (s), to handle the object (objects) resting on the pallet using a lifting or handling device equipped Forks, such as a forklift.
  • a pallet generally comprises a base integral with a plate pierced with openings, the base delimiting under the plate at least one - generally several - space able to receive a fork of a lifting or handling device, so that the fork can come into contact with the underside of the plate, and that the lifting or handling device can then lift the pallet and move it.
  • Such a pallet is generally made of wood, plastic or aluminum alloy.
  • the object to be loaded on the pallet contains dangerous products, especially when the object is a drum containing chemicals or radioactive, it is useful to maintain, stall, and / or immobilize the object on the pallet, to limit or prevent its movement relative to the pallet, when the pallet supporting it is moved.
  • the holding structure equipping these trays / pallets is effective only to the extent that its dimensions are exactly adapted to those of the drums to receive on the tray.
  • An object of the invention is to provide a pallet equipped with means for limiting or prohibiting the movement of an object resting on the pallet, which make it possible to stack empty pallets in a reduced volume.
  • An object of the invention is to provide a pallet equipped with means for limiting or prohibiting the movement of an object resting on the pallet, which make it possible to load and maintain one or more objects of variable dimensions.
  • An object of the invention is to provide a pallet facilitating the placing of an object on the pallet and the removal of an object resting on the pallet, in particular without requiring the use of a lifting device. 'object.
  • An object of the invention is to provide a pallet which is improved and / or which remedies, in part at least, the shortcomings or disadvantages of known pallets.
  • a pallet comprising a plate pierced with openings, wedging means for wedging an object arranged on the plate, as well as means for displacement to move the wedging means, through the openings, under the action - in particular the support - of the forks of a device lifting the pallet, so that the wedging means come close - and the case in contact with the object, in particular near or in contact with the base of the object.
  • the means of displacement of the wedging means generally comprise a movable part (or structure) of actuation on which a fork of the lifting apparatus can rest when the fork approaches the plate to lift the pallet , as well as a mechanism for transmitting motion to cause the displacement of the wedging means during movement of the workpiece (or structure) of actuation.
  • the invention makes it possible to simply obtain a pallet particularly adapted to the handling of containers of hazardous materials, the use of which is facilitated.
  • the invention makes it possible in particular to obtain a pallet adapted to receive one or more barrels whose handling is delicate, in particular because of its (their) mass and the dangerousness of the products it (s) contain (nen) t.
  • Each of the illustrated pallets 20 Figures 1 to 5 essentially consists of a base 40 illustrated figures 6 and 7 , a roller loading tray 50 illustrated figure 11 , which is integral with the base, and a system for holding four drums on the loading platform, which is illustrated Figures 8 to 10 and is also integral with the base.
  • the pallet 20 supports four cylindrical drums 38 of vertical axes 39.
  • the base 40 of the pallet 20 comprises a substantially planar panel 21 of substantially square or rectangular contour, which is pierced with openings and extends substantially horizontally under ordinary conditions of use of the pallet.
  • the pedestal of the pallet comprises two first substantially plane lateral walls 22 parallel to each other and perpendicular to the plane of the panel 21, which extend downwards from two opposite sides of the panel.
  • the pedestal of the pallet also comprises two second substantially planar side walls 23 parallel to each other, perpendicular to the plane of the panel 21 and the walls 22, which extend downwardly from two other opposite sides of the panel.
  • the panel 21 and the walls 22, 23 can be obtained by cutting and folding a steel sheet, and can be coated with a layer of a corrosion protection material, such as an epoxy paint.
  • Each of the walls 22 is pierced with two orifices 24 (cf. figure 6 and 7 ) through which extend respectively two locking members 25 of the drum holding system (cf. figure 1 to 3 ).
  • Two substantially identical indentations 26, of trapezoidal shape, are cut in each of the walls 23 to allow the introduction of the forks of a hoist (not shown), which are schematically represented in the form of rectangles 36. figure 1 under the loading tray of the pallet 20, as illustrated by the arrows 37.
  • each of the walls 23, which extends between the two indentations 26, is pierced by two circular orifices 27 ( figures 6 and 7 ) forming bearings through which respectively extend two first trees 28 (cf. figure 2 and 8 at 10 ) allowing the pivoting of the members 41 for setting the drums which are arranged in the central part of the pallet.
  • each end portion of each of the walls 23 is pierced by another circular orifice 29 ( figures 6 and 7 ), a second shaft 30 (cf. figure 2 and 8 at 10 ) extending through each of these orifices which form bearings for these trees.
  • Trees 30 (cf. figure 2 and 8 at 10 ) allow the pivoting of the members 51 for setting the drums which are arranged in the lateral part of the pallet, ie near the walls 22.
  • the base 40 also comprises a wall 52 of reinforcement parallel to the walls 22 and connecting the central parts of the walls 23, and four gussets 46 parallel to the walls 23, which are equipped with bearings aligned with the bearings 27, 29, and have a notch identical or similar to those 26 of the walls 23.
  • the pallet 20 comprises a loading platform 50 consisting essentially of two substantially identical rolling structures 31, which are rigidly secured to the panel and / or the walls 22, 23 of the base, by means of tabs 34 for fixing.
  • Each bearing structure 31 comprises parallel bars 32 pierced with orifices distributed along the bars, as well as identical rollers 33.
  • Each roller 33 has a fixed shaft at each of its two longitudinal ends, which is engaged in one of the orifices of the bars 32 for fixing the roll with two parallel bars 32.
  • Each bearing assembly 31 thus comprises a plurality of rollers 33 parallel to each other, substantially evenly spaced along the structure 31, and rotatably mounted - by means of bearings interposed between the fixed shafts of the rollers and the rotary body of the rollers - , with respect to the bars 32.
  • the respective upper generatrices of these rollers are also coplanar and extend in a plane overlying the plane of the plate 21 by a distance 35 (cf. figure 14 ) which can be of the order of a few millimeters.
  • rollers thus being slightly protruding on the upper face 42 of the panel 21, facilitate displacement of a drum resting on the plate 50 by means of these rollers, in particular a displacement in a direction perpendicular to the axes of rotation of the rollers such as that the spotted axis 43 figure 11 .
  • Each set 60 comprises four movable holding members 41, 51, 63, a movable member 61, 62 for deploying the movable holding members, as well as a transmission mechanism movement for transforming the vertical translation movement of the movable member 61, 62 of deployment in a rotational movement of two (marks 41 and 51) of the four movable holding members, according to an axis of rotation / horizontal pivoting, as described below.
  • the illustrated system 60 figures 8 and 9 is secured to the walls 23 of the base by means of the shafts 28, 30 whose respective axes 44, 45 of rotation are parallel and normally horizontal.
  • each shaft 28 is engaged in two aligned bearings 27 respectively provided in one of the walls 23 and in a gusset (reference 46 figures 2 and 7 ) integral with the base and parallel to the walls 23.
  • each shaft 30 is engaged in two bearings 29 aligned respectively provided in one of the walls 23 and in a gusset (46 figures 2 and 7 ) integral with the base and parallel to the walls 23.
  • the actuating structure of the holding members of a drum 38 comprises a plate 61 arranged to extend under the plate 21, 50 of the pallet, and two bars 62 rigidly secured to the plate and extending between the plate and the loading tray.
  • the plate 61 has two end portions 63 which are curved upwards, extend substantially vertically, and have a substantially trapezoidal shape.
  • These portions 63 form second abutments - or bodies - for holding the drum which are movable in vertical translation with the plate 61.
  • two stops 63 integral with a plate are separated by a distance adapted to a dimension of the base of an object to be maintained on the pallet; when the object has a circular base, the two stops 63 are separated by a distance slightly greater than the diameter of the circular base of the object.
  • the stops 63 are arranged to extend under the upper face of the loading tray, ie under the upper generatrix rollers 33, in a configuration of retraction of these stops, when the plate 61 is in the low position under the effect of its own weight, not being lifted by a fork of a lifting device, which corresponds to the illustrated configuration figures 1 and 12 .
  • the stops 63 are arranged to move through slit-like apertures 47 provided in the panel 21, which extend parallel to the walls 23.
  • the stops 63 are further arranged to extend above the upper face of the loading platform, in a configuration of deployment of these stops, when the plate 61 is in the high position after its lifting by a fork of a machine. lifting on its underside 64, which corresponds to the illustrated configuration figures 3 and 13 .
  • the illustrated system 60 figures 8 and 9 further comprises the two stops 41, 51 for holding a drum which are displaceable in rotation, respectively along the axes 44 and 45 of rotation of the shafts 28, 30, during a displacement in vertical translation of the plate 61, so that you can pinch the base of a drum.
  • each of the stops 41, 51 is fixed to the upper end of two bent arms, respectively marked 53 and 54.
  • each arm 53, 54 is integral with a cylindrical sleeve 55 engaged on the corresponding shaft (28 or 30) and integral in rotation with it by means of a key 56.
  • each of the bars 62 is pierced with an oblong opening 59 which is inclined with respect to the direction 65 of the (vertical) displacement of the members 61, 62, and that each of the arms 53, 54 is provided with a pin 58 engaged in one of the openings 59 and arranged to slide in this opening.
  • the position of the lugs 58, that of the openings 59, as well as the inclination and the length of these openings, are chosen so that an upward vertical displacement of one of the bars 62 brings about a mutual approximation of the lugs engaged in them.
  • two openings of the bar considered, thanks to the pivoting of the arms 53 and 54 along the axes 44 and 45, and therefore causes a mutual approximation of the holding parts 41 and 51 to the contact of these parts with the shaft 38 disposed on the plateau, or at least until coming close to this barrel.
  • this arrangement makes it possible, during a vertical downward movement of one of the bars 62 under the effect of the own weight of the bars 62 and the plate 61 of which they are integral, a mutual distance of the lugs by a pivoting in the opposite direction arms 53 and 54 along the axes 44 and 45, and a mutual distance of the holding parts 41 and 51, to disengage these parts of a shaft placed on the plate.
  • a brake 57 is provided on the shaft 30 of each device 60, as illustrated Figures 8 to 10 .
  • the brake 57 essentially consists of a deformable fork engaged around the shaft and having two branches which can be mutually brought closer in order to grip the shaft and prevent its free rotation along its axis 45.
  • a threaded rod is engaged in two orifices respectively provided in the two branches of the brake, which is extended by a bent portion 25 which protrudes outside the base (cf. figures 1 and 3 especially).
  • the figure 15 illustrates a rectangular plate 61 on the upper face of which are welded two identical parallel bars 62 pierced at each end of the inclined slits 59 serving to bring - or otherwise away from - the projections (58) equipping the pivoting arms (53, 54) supporting the stops (41, 51).
  • the bars 66 allow the introduction and withdrawal - according to the arrow 37 - of a fork under the plate, when the latter rests on the ground or on an object.
  • the bars 66 have a height 67 greater than that of the forks 36 of a handling machine.
  • the second pallet thus rests on the top of the drums placed on the first pallet (located below), through the bars 66 serving as spacers.
  • the width (68 figure 15 ) of each plate, between the bars 66, is greater than that of the forks 36 to facilitate their introduction under the plates, and the length of each plate - measured along the bars 66 - allows a fork partially inserted under the plate to move the latter upwards to actuate the movable holding members.
  • the number of movable stops 41, 51, 63 can be reduced or increases; the stops 63 may be omitted, in particular when the object immobilization system comprises at least one movable stop adapted to that of the base of the object, in particular when the stops 41, 51 are in the form of bent plates at a radius corresponding substantially to that of the cylindrical envelope of a shank 38, as illustrated in the figures; in addition, the panel 21 can be deleted.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)

Abstract

The pallet (20) has a base secured to panels (21). Object maintaining bodies e.g. stops, are arranged in a manner to limit movement of an object on the panels. The maintaining bodies include movable actuating elements e.g. jacks, for actuating the maintaining bodies, where the actuating elements extend beneath the panels. A movement transmission mechanism e.g. shaft, is connected to the maintaining bodies and the actuating elements to displace the maintaining bodies relative to the object during displacement of the actuating elements.

Description

DOMAINE TECHNIQUETECHNICAL AREA

La présente invention est relative à une palette servant à entreposer ou déplacer un ou plusieurs objet(s) ou conteneur(s) reposant sur la palette.The present invention relates to a pallet for storing or moving one or more object (s) or container (s) resting on the pallet.

ETAT DE LA TECHNIQUESTATE OF THE ART

Il est connu d'utiliser une palette, i.e. un plateau arrangé pour supporter un ou plusieurs objet(s), pour manutentionner l'objet (les objets) reposant sur la palette à l'aide d'un appareil de levage ou de manutention équipé de fourches, tel qu'un chariot élévateur.It is known to use a pallet, ie a tray arranged to support one or more object (s), to handle the object (objects) resting on the pallet using a lifting or handling device equipped Forks, such as a forklift.

A cet effet, une palette comporte généralement un socle solidaire d'un plateau percé d'ouvertures, le socle délimitant sous le plateau au moins un - généralement plusieurs - espace apte à recevoir une fourche d'un appareil de levage ou de manutention, de sorte que la fourche peut venir au contact de la face inférieure du plateau, et que l'appareil de levage ou de manutention peut ensuite soulever la palette et la déplacer.For this purpose, a pallet generally comprises a base integral with a plate pierced with openings, the base delimiting under the plate at least one - generally several - space able to receive a fork of a lifting or handling device, so that the fork can come into contact with the underside of the plate, and that the lifting or handling device can then lift the pallet and move it.

Une telle palette est généralement réalisée en bois, en matière plastique, ou en alliage d'aluminium.Such a pallet is generally made of wood, plastic or aluminum alloy.

Notamment lorsque l'objet à charger sur la palette contient des produits dangereux, en particulier lorsque l'objet est un fût contenant des produits chimiques ou radioactifs, il est utile de maintenir, caler, et/ou immobiliser l'objet sur la palette, afin de limiter ou empêcher son déplacement par rapport à la palette, lorsque la palette le supportant est déplacée.In particular when the object to be loaded on the pallet contains dangerous products, especially when the object is a drum containing chemicals or radioactive, it is useful to maintain, stall, and / or immobilize the object on the pallet, to limit or prevent its movement relative to the pallet, when the pallet supporting it is moved.

Des plateaux de chargement de fûts ont été décrits notamment dans les brevets FR2249547 et DE3709870 , qui comportent une structure s'étendant au dessus du plateau et servant à caler les fûts, notamment une structure formée de cadres et solidaire du - ou intégrée au - plateau.Trays for loading drums have been described in particular in the patents FR2249547 and DE3709870 , which comprise a structure extending above the plate and used to wedge the drums, in particular a structure formed of frames and secured to - or integrated with - the plate.

Ces plateaux de chargement présentent des inconvénients : la présence de la structure de maintien des fûts nécessite l'usage d'un appareil de levage pour déposer un fût sur le plateau ou pour dégager un fût du plateau, ou bien nécessite une désolidarisation de la structure de maintien et du plateau, pour pouvoir déplacer les fûts sur le plateau aux fins de leur chargement ou déchargement.These loading trays have drawbacks: the presence of the structure for holding the drums requires the use of a hoisting device to deposit a drum on the tray or to release a bole of the tray, or requires a separation of the holding structure and the tray, to be able to move the drums on the tray for the purpose of their loading or unloading.

Ces palettes ou plateaux de manutention d'objets ne permettent donc pas un chargement et un déchargement manuel - i.e. sans usage d'un appareil de levage - des objets sur le plateau.These pallets or object handling trays therefore do not allow manual loading and unloading - i.e. without the use of a hoist - objects on the tray.

Par ailleurs, la structure de maintien équipant ces plateaux/ palettes n'est efficace que dans la mesure où ses dimensions sont exactement adaptées à celles des fûts à recevoir sur le plateau.Furthermore, the holding structure equipping these trays / pallets is effective only to the extent that its dimensions are exactly adapted to those of the drums to receive on the tray.

Un autre inconvénient de ces palettes est que leur encombrement à vide est élevé, et l'empilement de ces palettes « vides » nécessite un démontage préalable des structures de maintien qu'elles comportent, pour obtenir un gerbage efficace (compact).Another disadvantage of these pallets is that their empty space is high, and the stack of these pallets "empty" requires a prior disassembly of the holding structures they comprise, to obtain efficient stacking (compact).

EXPOSÉ DE L'INVENTIONSTATEMENT OF THE INVENTION

Un objectif de l'invention est de proposer une palette équipée de moyens pour limiter ou interdire le déplacement d'un objet reposant sur la palette, qui permettent d'empiler des palettes vides dans un volume réduit.An object of the invention is to provide a pallet equipped with means for limiting or prohibiting the movement of an object resting on the pallet, which make it possible to stack empty pallets in a reduced volume.

Un objectif de l'invention est de proposer une palette équipée de moyens pour limiter ou interdire le déplacement d'un objet reposant sur la palette, qui permettent de charger et maintenir un ou plusieurs objets de dimensions variables.An object of the invention is to provide a pallet equipped with means for limiting or prohibiting the movement of an object resting on the pallet, which make it possible to load and maintain one or more objects of variable dimensions.

Un objectif de l'invention est de proposer une palette facilitant la mise en place d'un objet sur la palette et le retrait d'un objet reposant sur la palette, en particulier sans nécessiter l'usage d'un appareil de levage de l'objet.An object of the invention is to provide a pallet facilitating the placing of an object on the pallet and the removal of an object resting on the pallet, in particular without requiring the use of a lifting device. 'object.

Un objectif de l'invention est de proposer une palette qui soit améliorée et/ou qui remédie, en partie au moins, aux lacunes ou inconvénients des palettes connues.An object of the invention is to provide a pallet which is improved and / or which remedies, in part at least, the shortcomings or disadvantages of known pallets.

Selon un aspect de l'invention, il est proposé une palette comportant un plateau percé d'ouvertures, des moyens de calage pour caler un objet disposé sur le plateau, ainsi que des moyens de déplacement pour déplacer les moyens de calage, au travers des ouvertures, sous l'action - en particulier l'appui - de fourches d'un appareil soulevant la palette, de façon à ce que les moyens de calage viennent à proximité - et le cas échéant au contact - de l'objet, en particulier à proximité ou au contact de la base de l'objet.According to one aspect of the invention, there is provided a pallet comprising a plate pierced with openings, wedging means for wedging an object arranged on the plate, as well as means for displacement to move the wedging means, through the openings, under the action - in particular the support - of the forks of a device lifting the pallet, so that the wedging means come close - and the case in contact with the object, in particular near or in contact with the base of the object.

A cet effet, les moyens de déplacement des moyens de calage comportent généralement une pièce (ou structure) mobile d'actionnement sur laquelle une fourche de l'appareil de levage peut s'appuyer lorsque la fourche s'approche du plateau pour soulever la palette, ainsi qu'un mécanisme de transmission de mouvement pour provoquer le déplacement des moyens de calage lors du déplacement de la pièce (ou structure) d'actionnement.For this purpose, the means of displacement of the wedging means generally comprise a movable part (or structure) of actuation on which a fork of the lifting apparatus can rest when the fork approaches the plate to lift the pallet , as well as a mechanism for transmitting motion to cause the displacement of the wedging means during movement of the workpiece (or structure) of actuation.

En d'autres termes et selon un autre aspect de l'invention, il est proposé une palette comportant :

  • un plateau,
  • un socle solidaire du plateau,
  • au moins un organe de maintien apte à limiter le déplacement d'un objet reposant sur le plateau, qui est mobile,
  • au moins un organe d'actionnement de l'organe (des organes) mobile(s) de maintien, qui s'étend sous le plateau et est mobile; et
  • au moins un mécanisme de transmission de mouvement qui est relié à l'organe (aux organes) mobile(s) de maintien et à l'organe d'actionnement, de manière à provoquer le déplacement de l'organe (des organes) mobile(s) de maintien par rapport à l'objet, lors d'un déplacement de l'organe d'actionnement.
In other words and according to another aspect of the invention, there is provided a pallet comprising:
  • a tray,
  • a base joined to the plateau,
  • at least one holding member adapted to limit the movement of an object resting on the plate, which is movable,
  • at least one actuating member of the mobile member (s) movable (s), which extends under the plate and is movable; and
  • at least one motion transmission mechanism which is connected to the movable member (s) and the actuating member, so as to cause movement of the movable member (members) ( s) holding relative to the object, during a displacement of the actuating member.

Selon des modes de réalisation de l'invention :

  • le socle comporte des parois latérales munies d'échancrures permettant l'introduction de fourches d'un appareil de levage ou de manutention sous l'organe d'actionnement des organes de maintien, de façon à rapprocher de l'objet l'organe (les organes) mobile(s) de maintien sous l'action des fourches de l'appareil soulevant l'organe d'actionnement ;
  • la palette comporte un ou plusieurs premiers organes de maintien mobile(s) en rotation par rapport au plateau de chargement de la palette, au dessus de celui-ci, selon un axe sensiblement parallèle au plan du plateau de chargement;
  • la palette comporte un ou plusieurs seconds organes de maintien mobile(s) en translation par rapport au plateau de chargement de la palette, au travers de celui-ci, selon un axe sensiblement orthogonal au plan du plateau de chargement;
  • au moins un organe mobile de maintien comporte une pièce d'appui arrangée pour venir au contact d'un objet à maintenir et de forme adaptée à celle de cet objet, en particulier une pièce d'appui de forme gauche (non plane) ;
  • la palette comporte un plateau de chargement équipé de moyens permettant un déplacement d'un objet reposant sur le plateau, avec une faible résistance au déplacement, en particulier un plateau de chargement équipé de billes ou de rouleaux qui sont montés libres en rotation ; l'usage de rouleaux permet notamment d'obtenir un plateau présentant une forte rigidité et donc susceptible de recevoir des objets de masse élevée ;
  • lorsque la palette est équipée de rouleaux, certains au moins des organes de maintien et/ou une partie du mécanisme de transmission de mouvement est (sont) monté(s) mobile(s) entre deux rouleaux;
  • la palette comporte des organes d'actionnement (de déploiement) des organes de maintien, qui sont mobiles en translation par rapport au plateau de chargement de la palette, selon un axe sensiblement orthogonal au plan du plateau de chargement; dans ce cas, les seconds organes de maintien peuvent être rigidement solidaires des organes d'actionnement; par ailleurs, le mécanisme de transmission de mouvement peut être arrangé pour provoquer le pivotement d'organes mobiles de maintien lors d'une translation de l'organe d'actionnement ;
  • l'organe d'actionnement (de déploiement) des organes de maintien comporte une platine sensiblement parallèle au plan du plateau de chargement de la palette ; cette platine peut être solidaire d'entretoises par l'intermédiaire desquelles la palette peut reposer sur le sol ou sur un autre objet;
  • le mécanisme de transmission de mouvement comporte des pièces pourvues de moyens de guidage de saillies solidaires de bras pivotants supportant des organes mobiles de maintien ;
  • la palette comporte des organes de verrouillage des organes de maintien en position de maintien des objets, et/ou des organes de verrouillage du mécanisme de transmission de mouvement, et/ou des organes de verrouillage des organes d'actionnement des organes de maintien, dans une position correspondant au maintien des objets par les organes de maintien ;
  • la palette est arrangée pour recevoir plusieurs objets et comporte plusieurs organes d'actionnement des organes de maintien et plusieurs mécanismes de transmission de mouvement ; dans ce cas, la palette peut comporter plusieurs organes de verrouillage respectivement associés à plusieurs organes d'actionnement des organes de maintien ; à plusieurs mécanismes de transmission de mouvement, et/ou à plusieurs organes de maintien, de manière à former plusieurs systèmes indépendants de maintien respectif des différents objets ;
  • la hauteur de la portion des organes de maintien qui s'étend au dessus du plateau de chargement dans la configuration d'escamotage de ces organes de maintien, est au plus voisine de - i.e. de préférence inférieure ou bien peu supérieure à - la hauteur du socle - i.e. la hauteur libre sous le plateau -, de façon à limiter l'encombrement d'une pile de palettes identiques ;
  • de nombreux éléments constitutifs de la palette, en particulier le socle, les butées escamotables, et leur système de déploiement, sont réalisés en métal, en particulier en acier.
According to embodiments of the invention:
  • the base comprises side walls provided with notches for the introduction of forks of a lifting or handling device under the actuating member of the holding members, so as to bring the object closer to the body (the movable member (s) for holding under the action of the forks of the apparatus lifting the actuating member;
  • the pallet comprises one or more first holding members movable (s) in rotation relative to the loading plate of the pallet, above it, along an axis substantially parallel to the plane of the loading plate;
  • the pallet comprises one or more second movable holding members (s) in translation relative to the loading plate of the pallet, through it, along an axis substantially orthogonal to the plane of the loading plate;
  • at least one movable holding member comprises a support piece arranged to come into contact with an object to be maintained and of a shape adapted to that of this object, in particular a support piece of left (non-planar) shape;
  • the pallet comprises a loading platform equipped with means for moving an object resting on the plate, with a low resistance to movement, in particular a loading platform equipped with balls or rollers which are mounted free to rotate; the use of rollers makes it possible in particular to obtain a plate having a high rigidity and thus capable of receiving objects of high mass;
  • when the pallet is equipped with rollers, at least some of the holding members and / or part of the movement transmission mechanism is (are) mounted (s) movable (s) between two rollers;
  • the pallet comprises actuating members (deployment) of the holding members, which are movable in translation relative to the pallet loading plate, along an axis substantially orthogonal to the plane of the loading plate; in this case, the second holding members may be rigidly secured to the actuating members; furthermore, the motion transmission mechanism can be arranged to cause the pivoting of movable holding members during a translation of the actuating member;
  • the actuating member (deployment) of the holding members comprises a platen substantially parallel to the plane of the pallet loading platform; this plate can be secured to spacers through which the pallet can rest on the ground or on another object;
  • the motion transmission mechanism comprises parts provided with means for guiding projections integral with pivoting arms supporting movable holding members;
  • the pallet comprises locking members of the holding members in the object holding position, and / or locking members of the movement transmission mechanism, and / or locking members of the actuating members of the holding members, in a position corresponding to the maintenance of objects by the holding members;
  • the pallet is arranged to receive a plurality of objects and comprises a plurality of actuating members of the holding members and a plurality of motion transmission mechanisms; in this case, the pallet may comprise a plurality of locking members respectively associated with several actuating members of the holding members; with several motion transmission mechanisms, and / or with several holding members, so as to form several independent systems for holding the different objects respectively;
  • the height of the portion of the holding members which extends above the loading platform in the retraction configuration of these holding members, is at most close to - ie preferably lower or little higher than - the height of the base - ie the free height under the plate -, so as to limit the bulk of a stack of identical pallets;
  • many components of the pallet, in particular the base, the retractable stops, and their deployment system, are made of metal, in particular steel.

L'invention permet d'obtenir simplement une palette particulièrement adaptée à la manutention de conteneurs de matières dangereuses, dont l'utilisation est facilitée.The invention makes it possible to simply obtain a pallet particularly adapted to the handling of containers of hazardous materials, the use of which is facilitated.

L'invention permet notamment d'obtenir une palette apte à recevoir un ou plusieurs fûts dont la manipulation est délicate en raison notamment de sa (leur) masse importante et de la dangerosité des produits qu'il(s) contien(nen)t.The invention makes it possible in particular to obtain a pallet adapted to receive one or more barrels whose handling is delicate, in particular because of its (their) mass and the dangerousness of the products it (s) contain (nen) t.

D'autres aspects, caractéristiques, et avantages de l'invention apparaissent dans la description suivante qui se réfère aux figures annexées et illustre, sans aucun caractère limitatif, un mode préféré de réalisation de l'invention.Other aspects, features, and advantages of the invention appear in the following description which refers to the appended figures and illustrates, without any limiting character, a preferred embodiment of the invention.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

  • La figure 1 est une vue (par-dessus) en perspective illustrant une palette selon l'invention, dans une configuration d'escamotage - ou dégagement - des organes de maintien des fûts.The figure 1 is a view (above) in perspective illustrating a pallet according to the invention, in a configuration of retraction - or release - of the drum holding members.
  • La figure 2 est une vue en perspective de la palette de la figure 1, sous un autre angle de vue (par le dessous).The figure 2 is a perspective view of the palette of the figure 1 , from another angle of view (from below).
  • La figure 3 est une vue en perspective de la palette de la figure 1, par le dessus, dans une configuration d'activation - ou déploiement - des organes de maintien des fûts.The figure 3 is a perspective view of the palette of the figure 1 , from above, in an activation configuration - or deployment - of drum holding members.
  • La figure 4 est une vue en perspective illustrant la palette de la figure 1 sur laquelle sont posés quatre fûts cylindriques, dans une configuration d'activation des organes de maintien des fûts.The figure 4 is a perspective view illustrating the palette of the figure 1 on which are placed four cylindrical barrels, in an activation configuration of the drum holding members.
  • La figure 5 est une vue en perspective illustrant trois palettes identiques à celle de la figure 1, qui sont superposées.The figure 5 is a perspective view illustrating three palettes identical to that of the figure 1 , which are superimposed.
  • La figure 6 est une vue en perspective illustrant le socle de la palette de la figure 1.The figure 6 is a perspective view illustrating the base of the palette of the figure 1 .
  • La figure 7 est une vue en perspective illustrant le socle de la palette de la figure 1, sous un autre angle de vue (par-dessous).The figure 7 is a perspective view illustrating the base of the palette of the figure 1 , from another angle of view (from below).
  • La figure 8 est une vue en perspective illustrant à échelle agrandie un des systèmes de maintien de fût et son mécanisme d'actionnement.The figure 8 is a perspective view illustrating on an enlarged scale one of the barrel holding systems and its actuating mechanism.
  • La figure 9 est une vue en perspective illustrant le système de maintien de fût de la figure 8, sous un autre angle de vue (par-dessous).The figure 9 is a perspective view illustrating the barrel holding system of the figure 8 , from another angle of view (from below).
  • La figure 10 est une vue en perspective illustrant quatre systèmes de maintien de fûts et leurs mécanismes d'actionnement respectifs, qui sont intégrés à la palette de la figure 1.The figure 10 is a perspective view illustrating four drum holding systems and their respective actuating mechanisms, which are integrated in the pallet of the figure 1 .
  • La figure 11 est une vue en perspective illustrant un plateau de réception d'objets qui est essentiellement constitué de deux chemins de roulement et est intégré à la palette de la figure 1, vu de dessous.The figure 11 is a perspective view illustrating an object receiving tray which consists essentially of two raceways and is integrated with the pallet of the figure 1 , seen from below.
  • La figure 12 illustre schématiquement, en vue en coupe dans un plan orthogonal au plateau, des organes de maintien pivotants équipant une palette, dans leur configuration d'escamotage.The figure 12 schematically illustrates, in sectional view in a plane orthogonal to the plate, pivoting holding members equipping a pallet, in their retraction configuration.
  • La figure 13 illustre schématiquement, en vue en coupe dans un plan orthogonal au plateau, les organes de maintien pivotants de la figure 12, dans leur configuration de calage d'un fût.The figure 13 illustrates schematically, in sectional view in a plane orthogonal to the plate, the pivoting holding members of the figure 12 , in their setting configuration of a barrel.
  • La figure 14 illustre schématiquement, en vue en coupe dans un plan orthogonal au plateau, un des rouleaux équipant le plateau d'une palette.The figure 14 illustrates schematically, in sectional view in a plane orthogonal to the plate, one of the rollers equipping the plate of a pallet.
  • La figure 15 est une vue en perspective illustrant un système d'actionnement d'organes mobiles de maintien d'un fût et une partie d'un mécanisme de transmission de mouvement, qui sont intégrés aux socles des palettes des figures 16 et 17, selon un mode préféré de réalisation.The figure 15 is a perspective view illustrating a system for actuating movable members for holding a shank and a part of a movement transmission mechanism, which are integrated in the pedestals of the pallets of figures 16 and 17 according to a preferred embodiment.
  • La figure 16 est une vue en perspective illustrant schématiquement, vu de dessous, un chariot élévateur sur les fourches duquel reposent trois palettes « vides » empilées.The figure 16 is a perspective view schematically illustrating, seen from below, a forklift on the forks of which three stacked "empty" pallets rest.
  • La figure 17 est une vue en perspective illustrant schématiquement, vu sous un autre angle, trois palettes empilées supportant chacune quatre fûts identiques, et un chariot élévateur dont les fourches sont engagées sous la palette la plus haute.The figure 17 is a perspective view schematically illustrating, seen from another angle, three stacked pallets each supporting four identical drums, and a forklift whose forks are engaged under the highest pallet.
DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

Sauf indication explicite ou implicite contraire, des éléments ou organes - structurellement ou fonctionnellement - identiques ou similaires sont désignés par des repères identiques sur les différentes figures.Unless otherwise expressly or implicitly stated, elements or organs - structurally or functionally - identical or similar are designated by identical references in the different figures.

Chacune des palettes 20 illustrées figures 1 à 5 est essentiellement constituée d'un socle 40 illustré figures 6 et 7, d'un plateau 50 de chargement à rouleaux illustré figure 11, qui est solidaire du socle, ainsi que d'un système de maintien de quatre fûts sur le plateau de chargement, qui est illustré figures 8 à 10 et est également solidaire du socle.Each of the illustrated pallets 20 Figures 1 to 5 essentially consists of a base 40 illustrated figures 6 and 7 , a roller loading tray 50 illustrated figure 11 , which is integral with the base, and a system for holding four drums on the loading platform, which is illustrated Figures 8 to 10 and is also integral with the base.

Par référence à la figure 4, la palette 20 supporte quatre fûts 38 cylindriques d'axes 39 verticaux.By reference to the figure 4 the pallet 20 supports four cylindrical drums 38 of vertical axes 39.

Par référence aux figures 1 à 3, 6, et 7 notamment, le socle 40 de la palette 20 comporte un panneau 21 sensiblement plan, de contour sensiblement carré ou rectangulaire, qui est percé d'ouvertures et s'étend sensiblement horizontalement dans des conditions ordinaires d'utilisation de la palette.By reference to Figures 1 to 3 , 6 , and 7 in particular, the base 40 of the pallet 20 comprises a substantially planar panel 21 of substantially square or rectangular contour, which is pierced with openings and extends substantially horizontally under ordinary conditions of use of the pallet.

Le socle de la palette comporte deux premières parois latérales 22 sensiblement planes, parallèles entre elles et perpendiculaires au plan du panneau 21, qui s'étendent vers le bas à partir de deux cotés opposés du panneau.The pedestal of the pallet comprises two first substantially plane lateral walls 22 parallel to each other and perpendicular to the plane of the panel 21, which extend downwards from two opposite sides of the panel.

Le socle de la palette comporte également deux secondes parois latérales 23 sensiblement planes, parallèles entre elles, perpendiculaires au plan du panneau 21 ainsi qu'aux parois 22, qui s'étendent vers le bas à partir de deux autres cotés opposés du panneau.The pedestal of the pallet also comprises two second substantially planar side walls 23 parallel to each other, perpendicular to the plane of the panel 21 and the walls 22, which extend downwardly from two other opposite sides of the panel.

Le panneau 21 et les parois 22, 23 peuvent être obtenus par découpe et pliage d'une tôle d'acier, et peuvent être revêtus d'une couche d'un matériau de protection contre la corrosion, tel qu'une peinture époxy.The panel 21 and the walls 22, 23 can be obtained by cutting and folding a steel sheet, and can be coated with a layer of a corrosion protection material, such as an epoxy paint.

Les parois 22, 23, qui sont rigidement solidaires du panneau 21, forment un socle par l'intermédiaire duquel la palette 20 peut reposer sur le sol ou sur une autre palette identique, comme illustré figure 5.The walls 22, 23, which are rigidly secured to the panel 21, form a base through which the pallet 20 can rest on the ground or on another identical pallet, as illustrated. figure 5 .

Chacune des parois 22 est percée de deux orifices 24 (cf. figure 6 et 7) au travers desquels s'étendent respectivement deux organes 25 de verrouillage du système de maintien des fûts (cf. figure 1 à 3).Each of the walls 22 is pierced with two orifices 24 (cf. figure 6 and 7 ) through which extend respectively two locking members 25 of the drum holding system (cf. figure 1 to 3 ).

Deux échancrures 26 sensiblement identiques, de forme trapézoïdale, sont découpées dans chacune des parois 23 pour permettre l'introduction des fourches d'un appareil de levage non représenté, qui sont schématiquement représentées sous forme de rectangles 36 figure 1, sous le plateau de chargement de la palette 20, comme illustré par les flèches 37.Two substantially identical indentations 26, of trapezoidal shape, are cut in each of the walls 23 to allow the introduction of the forks of a hoist (not shown), which are schematically represented in the form of rectangles 36. figure 1 under the loading tray of the pallet 20, as illustrated by the arrows 37.

La partie centrale de chacune des parois 23, qui s'étend entre les deux échancrures 26, est percée de deux orifices circulaires 27 (figures 6 et 7) formant des paliers au travers desquels s'étendent respectivement deux premiers arbres 28 (cf. figure 2 et 8 à 10 ) permettant le pivotement des organes 41 de calage des fûts qui sont disposés dans la partie centrale de la palette.The central part of each of the walls 23, which extends between the two indentations 26, is pierced by two circular orifices 27 ( figures 6 and 7 ) forming bearings through which respectively extend two first trees 28 (cf. figure 2 and 8 at 10 ) allowing the pivoting of the members 41 for setting the drums which are arranged in the central part of the pallet.

Chaque partie d'extrémité de chacune des parois 23 est percée d'un autre orifice circulaire 29 (figures 6 et 7), un second arbre 30 (cf. figure 2 et 8 à 10 ) s'étendant au travers de chacun de ces orifices qui forment des paliers pour ces arbres.Each end portion of each of the walls 23 is pierced by another circular orifice 29 ( figures 6 and 7 ), a second shaft 30 (cf. figure 2 and 8 at 10 ) extending through each of these orifices which form bearings for these trees.

Les arbres 30 (cf. figure 2 et 8 à 10 ) permettent le pivotement des organes 51 de calage des fûts qui sont disposés dans la partie latérale de la palette, i.e. à proximité des parois 22.Trees 30 (cf. figure 2 and 8 at 10 ) allow the pivoting of the members 51 for setting the drums which are arranged in the lateral part of the pallet, ie near the walls 22.

Le socle 40 comporte également une paroi 52 de renfort parallèle aux parois 22 et reliant les parties centrales des parois 23, ainsi que quatre goussets 46 parallèles aux parois 23, qui sont équipés de paliers alignés avec les paliers 27, 29, et présentent une échancrure identique ou similaire à celles 26 des parois 23.The base 40 also comprises a wall 52 of reinforcement parallel to the walls 22 and connecting the central parts of the walls 23, and four gussets 46 parallel to the walls 23, which are equipped with bearings aligned with the bearings 27, 29, and have a notch identical or similar to those 26 of the walls 23.

Par référence aux figures 1 et 11 notamment, la palette 20 comporte un plateau de chargement 50 essentiellement constitué de deux structures 31 de roulement sensiblement identiques, qui sont rigidement solidaires du panneau et/ou des parois 22, 23 du socle, par l'intermédiaire de pattes 34 de fixation.By reference to figures 1 and 11 in particular, the pallet 20 comprises a loading platform 50 consisting essentially of two substantially identical rolling structures 31, which are rigidly secured to the panel and / or the walls 22, 23 of the base, by means of tabs 34 for fixing.

Chaque structure 31 de roulement comporte des barres parallèles 32 percées d'orifices répartis le long des barres, ainsi que des rouleaux 33 identiques.Each bearing structure 31 comprises parallel bars 32 pierced with orifices distributed along the bars, as well as identical rollers 33.

Chaque rouleau 33 comporte un arbre fixe à chacune de ses deux extrémités longitudinales, qui est engagé dans un des orifices des barres 32 pour la fixation du rouleau à deux barres 32 parallèles.Each roller 33 has a fixed shaft at each of its two longitudinal ends, which is engaged in one of the orifices of the bars 32 for fixing the roll with two parallel bars 32.

Chaque ensemble 31 de roulement comporte ainsi plusieurs rouleaux 33 parallèles entre eux, sensiblement régulièrement espacés le long de la structure 31, et montés libres en rotation - par l'intermédiaire de roulements intercalés entre les arbres fixes des rouleaux et le corps rotatif des rouleaux -, par rapport aux barres 32.Each bearing assembly 31 thus comprises a plurality of rollers 33 parallel to each other, substantially evenly spaced along the structure 31, and rotatably mounted - by means of bearings interposed between the fixed shafts of the rollers and the rotary body of the rollers - , with respect to the bars 32.

Les axes de rotation respectifs de tous les rouleaux étant sensiblement coplanaires, les génératrices supérieures respectives de ces rouleaux sont également coplanaires et s'étendent dans un plan surmontant le plan du plateau 21 d'une distance 35 (cf. figure 14) qui peut être de l'ordre de quelques millimètres.The respective axes of rotation of all the rollers being substantially coplanar, the respective upper generatrices of these rollers are also coplanar and extend in a plane overlying the plane of the plate 21 by a distance 35 (cf. figure 14 ) which can be of the order of a few millimeters.

Les rouleaux étant ainsi légèrement saillants sur la face supérieure 42 du panneau 21, facilitent de déplacement d'un fût reposant sur le plateau 50 par l'intermédiaire de ces rouleaux, en particulier un déplacement selon une direction perpendiculaire aux axes de rotation des rouleaux tels que l'axe repéré 43 figure 11.The rollers thus being slightly protruding on the upper face 42 of the panel 21, facilitate displacement of a drum resting on the plate 50 by means of these rollers, in particular a displacement in a direction perpendicular to the axes of rotation of the rollers such as that the spotted axis 43 figure 11 .

Cela facilite la mise en place manuelle - par un opérateur humain - d'un fût sur le plateau, et facilite également le retrait d'un fût hors du plateau, notamment lorsque la masse du fût atteint ou excède une centaine de kilogramme.This facilitates the manual placement - by a human operator - of a barrel on the tray, and also facilitates the removal of a barrel out of the tray, especially when the mass of the barrel reaches or exceeds a hundred kilograms.

Le système de butées rétractables et escamotables adapté au maintien de quatre fûts cylindriques sur le plateau 50 de la palette 20, qui est illustré figure 10, est constitué de quatre ensembles 60 indépendants et identiques illustrés figure 8 et 9.The system of retractable and retractable stops adapted to hold four cylindrical drums on the plate 50 of the pallet 20, which is illustrated figure 10 , consists of four sets 60 independent and identical illustrated figure 8 and 9 .

Chaque ensemble 60 comporte quatre organes 41, 51, 63 mobiles de maintien, un organe 61, 62 mobile de déploiement des organes mobiles de maintien, ainsi qu'un mécanisme de transmission de mouvement permettant de transformer le mouvement de translation verticale de l'organe 61, 62 mobile de déploiement en un mouvement de rotation de deux (repères 41 et 51) des quatre organes mobiles de maintien, selon un axe de rotation/pivotement horizontal, comme décrit ci après.Each set 60 comprises four movable holding members 41, 51, 63, a movable member 61, 62 for deploying the movable holding members, as well as a transmission mechanism movement for transforming the vertical translation movement of the movable member 61, 62 of deployment in a rotational movement of two (marks 41 and 51) of the four movable holding members, according to an axis of rotation / horizontal pivoting, as described below.

Le système 60 illustré figures 8 et 9 est solidarisé aux parois 23 du socle par l'intermédiaire des arbres 28, 30 dont les axes 44, 45 de rotation respectifs sont parallèles et normalement horizontaux.The illustrated system 60 figures 8 and 9 is secured to the walls 23 of the base by means of the shafts 28, 30 whose respective axes 44, 45 of rotation are parallel and normally horizontal.

A cet effet, chaque arbre 28 est engagé dans deux paliers 27 alignés respectivement prévus dans une des parois 23 et dans un gousset (repère 46 figures 2 et 7) solidaire du socle et parallèle aux parois 23.For this purpose, each shaft 28 is engaged in two aligned bearings 27 respectively provided in one of the walls 23 and in a gusset (reference 46 figures 2 and 7 ) integral with the base and parallel to the walls 23.

De la même façon, chaque arbre 30 est engagé dans deux paliers 29 alignés respectivement prévus dans une des parois 23 et dans un gousset (46 figures 2 et 7) solidaire du socle et parallèle aux parois 23.In the same way, each shaft 30 is engaged in two bearings 29 aligned respectively provided in one of the walls 23 and in a gusset (46 figures 2 and 7 ) integral with the base and parallel to the walls 23.

La structure d'actionnement des organes de maintien d'un fût 38 comporte une platine 61 arrangée pour s'étendre sous le plateau 21, 50 de la palette, et deux barres 62 rigidement solidaires de la platine et s'étendant entre la platine et le plateau de chargement.The actuating structure of the holding members of a drum 38 comprises a plate 61 arranged to extend under the plate 21, 50 of the pallet, and two bars 62 rigidly secured to the plate and extending between the plate and the loading tray.

La platine 61 comporte deux portions d'extrémité 63 qui sont recourbées vers le haut, s'étendent sensiblement verticalement, et présentent une forme sensiblement trapézoïdale.The plate 61 has two end portions 63 which are curved upwards, extend substantially vertically, and have a substantially trapezoidal shape.

Ces portions 63 forment des secondes butées - ou organes - de maintien de fût qui sont déplaçables en translation verticale avec la platine 61.These portions 63 form second abutments - or bodies - for holding the drum which are movable in vertical translation with the plate 61.

A cet effet, deux butées 63 solidaires d'une platine sont séparées d'une distance adaptée à une dimension de la base d'un objet à maintenir sur la palette ; lorsque l'objet présente une base circulaire, les deux butées 63 sont séparées d'une distance légèrement supérieure au diamètre de la base circulaire de l'objet.For this purpose, two stops 63 integral with a plate are separated by a distance adapted to a dimension of the base of an object to be maintained on the pallet; when the object has a circular base, the two stops 63 are separated by a distance slightly greater than the diameter of the circular base of the object.

Les butées 63 sont arrangées pour s'étendre sous la face supérieure du plateau de chargement, i.e. sous la génératrice supérieure des rouleaux 33, dans une configuration d'escamotage de ces butées, lorsque la platine 61 est en position basse sous l'effet de son propre poids, n'étant pas soulevée par une fourche d'un appareil de levage, ce qui correspond à la configuration illustrée figures 1 et 12.The stops 63 are arranged to extend under the upper face of the loading tray, ie under the upper generatrix rollers 33, in a configuration of retraction of these stops, when the plate 61 is in the low position under the effect of its own weight, not being lifted by a fork of a lifting device, which corresponds to the illustrated configuration figures 1 and 12 .

Les butées 63 sont arrangées pour se déplacer au travers d'ouvertures 47 en forme de fentes, prévues dans le panneau 21, qui s'étendent parallèlement aux parois 23.The stops 63 are arranged to move through slit-like apertures 47 provided in the panel 21, which extend parallel to the walls 23.

Chaque dispositif de maintien d'un fût comportant deux butées 63 escamotables verticalement au travers du panneau 21, on peut observer figure 6 que le panneau 21 est percé de huit fentes 47 identiques.Each device for holding a barrel having two stops 63 retractable vertically through the panel 21, it is possible to observe figure 6 that the panel 21 is pierced with eight identical slots 47.

Les butées 63 sont en outre arrangées pour s'étendre au dessus de la face supérieure du plateau de chargement, dans une configuration de déploiement de ces butées, lorsque la platine 61 est en position haute après son soulèvement par une fourche d'un appareil de levage s'appuyant sur sa face inférieure 64, ce qui correspond à la configuration illustrée figures 3 et 13.The stops 63 are further arranged to extend above the upper face of the loading platform, in a configuration of deployment of these stops, when the plate 61 is in the high position after its lifting by a fork of a machine. lifting on its underside 64, which corresponds to the illustrated configuration figures 3 and 13 .

Le système 60 illustré figures 8 et 9 comporte en outre les deux butées 41, 51 de maintien d'un fût qui sont déplaçables en rotation, respectivement selon les axes 44 et 45 de rotation des arbres 28, 30, lors d'un déplacement en translation verticale de la platine 61, de manière à pouvoir pincer la base d'un fût.The illustrated system 60 figures 8 and 9 further comprises the two stops 41, 51 for holding a drum which are displaceable in rotation, respectively along the axes 44 and 45 of rotation of the shafts 28, 30, during a displacement in vertical translation of the plate 61, so that you can pinch the base of a drum.

A cet effet, chacune des butées 41, 51 est fixée à l'extrémité supérieure de deux bras coudés, respectivement repérés 53 et 54.For this purpose, each of the stops 41, 51 is fixed to the upper end of two bent arms, respectively marked 53 and 54.

L'extrémité inférieure de chaque bras 53, 54 est solidaire d'une douille 55 cylindrique engagée sur l'arbre correspondant (28 ou 30) et solidaire en rotation de celui-ci par l'intermédiaire d'une clavette 56.The lower end of each arm 53, 54 is integral with a cylindrical sleeve 55 engaged on the corresponding shaft (28 or 30) and integral in rotation with it by means of a key 56.

On observe par ailleurs figures 8, 9, 12, et 13 notamment, que chacune des barres 62 est percée d'une ouverture oblongue 59 qui est inclinée par rapport à la direction 65 du déplacement (vertical) des organes 61, 62, et que chacun des bras 53, 54 est muni d'un ergot 58 engagé dans une des ouvertures 59 et arrangé pour pouvoir coulisser dans cette ouverture.We also observe figures 8 , 9 , 12, and 13 in particular, that each of the bars 62 is pierced with an oblong opening 59 which is inclined with respect to the direction 65 of the (vertical) displacement of the members 61, 62, and that each of the arms 53, 54 is provided with a pin 58 engaged in one of the openings 59 and arranged to slide in this opening.

La position des ergots 58, celle des ouvertures 59, ainsi que l'inclinaison et la longueur de ces ouvertures, sont choisis de façon à ce qu'un déplacement vertical ascendant d'une des barres 62 provoque un rapprochement mutuel des ergots engagés dans les deux ouvertures de la barre considérée, grâce au pivotement des bras 53 et 54 selon les axes 44 et 45, et provoque par conséquent un rapprochement mutuel des pièces de maintien 41 et 51 jusqu'au contact de ces pièces avec le fût 38 disposé sur le plateau, ou tout du moins jusqu'à venir à proximité de ce fût.The position of the lugs 58, that of the openings 59, as well as the inclination and the length of these openings, are chosen so that an upward vertical displacement of one of the bars 62 brings about a mutual approximation of the lugs engaged in them. two openings of the bar considered, thanks to the pivoting of the arms 53 and 54 along the axes 44 and 45, and therefore causes a mutual approximation of the holding parts 41 and 51 to the contact of these parts with the shaft 38 disposed on the plateau, or at least until coming close to this barrel.

Inversement, cette disposition permet, lors d'un déplacement vertical descendant d'une des barres 62 sous l'effet du poids propre des barres 62 et de la platine 61 dont elles sont solidaires, un éloignement mutuel des ergots par un pivotement en sens inverse des bras 53 et 54 selon les axes 44 et 45, et un éloignement mutuel des pièces de maintien 41 et 51, pour dégager ces pièces d'un fût posé sur le plateau.Conversely, this arrangement makes it possible, during a vertical downward movement of one of the bars 62 under the effect of the own weight of the bars 62 and the plate 61 of which they are integral, a mutual distance of the lugs by a pivoting in the opposite direction arms 53 and 54 along the axes 44 and 45, and a mutual distance of the holding parts 41 and 51, to disengage these parts of a shaft placed on the plate.

Afin de permettre ces mouvements de pivotement des bras 53, 54 qui s'étendent au travers du panneau 21, ce dernier est percé d'ouvertures 48, 49 illustrées figures 6 et 12 notamment.In order to allow these pivoting movements of the arms 53, 54 which extend through the panel 21, the latter is pierced with openings 48, 49 illustrated figures 6 and 12 especially.

Afin de permettre le verrouillage des pièces 41, 51, 63 dans leur position de maintien d'un fût, au contact ou à proximité de la base du fût, qui est illustrée figures 4 et 13 notamment, un frein 57 est prévu sur l'arbre 30 de chaque dispositif 60, comme illustré figures 8 à 10.In order to allow the locking of the pieces 41, 51, 63 in their holding position of a barrel, in contact with or near the base of the barrel, which is illustrated figures 4 and 13 in particular, a brake 57 is provided on the shaft 30 of each device 60, as illustrated Figures 8 to 10 .

Le frein 57 est essentiellement constitué par une fourche déformable engagée autour de l'arbre et comportant deux branches qui peuvent être mutuellement rapprochées afin d'enserrer l'arbre et empêcher sa libre rotation selon son axe 45.The brake 57 essentially consists of a deformable fork engaged around the shaft and having two branches which can be mutually brought closer in order to grip the shaft and prevent its free rotation along its axis 45.

A cet effet, une tige filetée est engagée dans deux orifices respectivement prévus dans les deux branches du frein, qui est prolongée par une portion coudée 25 qui est saillante à l'extérieur du socle (cf. figures 1 et 3 notamment).For this purpose, a threaded rod is engaged in two orifices respectively provided in the two branches of the brake, which is extended by a bent portion 25 which protrudes outside the base (cf. figures 1 and 3 especially).

La rotation de la portion coudée par un opérateur permet ainsi le rapprochement mutuel des branches du frein et l'immobilisation des butées de maintien par l'intermédiaire du mécanisme de transmission de mouvement décrit ci avant.The rotation of the bent portion by an operator thus allows the mutual approximation of the branches of the brake and the immobilization of the holding stops via the motion transmission mechanism described above.

La figure 15 illustre une platine rectangulaire 61 sur la face supérieure de laquelle sont soudées deux barres parallèles identiques 62 percées à chacune de leurs extrémités des fentes inclinées 59 servant à rapprocher - ou au contraire éloigner - mutuellement les saillies (58) équipant les bras pivotants (53, 54) supportant les butées (41, 51).The figure 15 illustrates a rectangular plate 61 on the upper face of which are welded two identical parallel bars 62 pierced at each end of the inclined slits 59 serving to bring - or otherwise away from - the projections (58) equipping the pivoting arms (53, 54) supporting the stops (41, 51).

Sur la face inférieure de la platine sont également soudées deux barres parallèles identiques 66, qui s'étendent le long de deux bords opposés de la platine, sous cette dernière. Les barres 66 permettent l'introduction et le retrait - selon la flèche 37 - d'une fourche sous la platine, lorsque cette dernière repose sur le sol ou sur un objet.On the underside of the plate are also welded two identical parallel bars 66, which extend along two opposite edges of the plate, under the latter. The bars 66 allow the introduction and withdrawal - according to the arrow 37 - of a fork under the plate, when the latter rests on the ground or on an object.

A cet effet, les barres 66 présentent une hauteur 67 supérieure à celle des fourches 36 d'un engin de manutention.For this purpose, the bars 66 have a height 67 greater than that of the forks 36 of a handling machine.

Ceci permet de déposer sur une première palette 20 supportant des fûts 38, une seconde palette supportant - ou non - d'autres fûts, puis de dégager les fourches de l'engin 69 de manutention, comme illustré figure 17, hors du socle de la seconde palette.This makes it possible to deposit on a first pallet 20 supporting drums 38, a second pallet supporting - or not - other drums, then to release the forks of the machine 69 handling, as illustrated figure 17 , off the base of the second pallet.

La seconde palette repose ainsi sur le sommet des fûts posés sur la première palette (située en dessous), par l'intermédiaire des barres 66 servant d'entretoises.The second pallet thus rests on the top of the drums placed on the first pallet (located below), through the bars 66 serving as spacers.

On peut observer figure 16 que les quatre platines 61 s'étendent sur une partie substantielle de la surface du socle de la palette : la largeur (68 figure 15) de chaque platine, entre les barres 66, est supérieure à celle des fourches 36 pour faciliter leur introduction sous les platines, et la longueur de chaque platine - mesurée le long des barres 66 - permet à une fourche partiellement introduite sous la platine de déplacer cette dernière vers le haut pour actionner les organes mobiles de maintien.We can see figure 16 that the four plates 61 extend over a substantial part of the surface of the base of the pallet: the width (68 figure 15 ) of each plate, between the bars 66, is greater than that of the forks 36 to facilitate their introduction under the plates, and the length of each plate - measured along the bars 66 - allows a fork partially inserted under the plate to move the latter upwards to actuate the movable holding members.

De très nombreuses variantes peuvent être apportées au mode de réalisation décrit ci avant, sans sortir du cadre de l'invention; en particulier, le nombre des butées mobiles 41, 51, 63 peut être réduit ou augmenté; les butées 63 peuvent être supprimées, notamment lorsque le système d'immobilisation d'objet comporte au moins une butée mobile de forme adaptée à celle de la base de l'objet, en particulier lorsque les butées 41, 51 sont en forme de plaques cintrées selon un rayon correspondant sensiblement à celui de l'enveloppe cylindrique d'un fût 38, comme illustré sur les figures ; par ailleurs, le panneau 21 peut être supprimé.Many variations can be made to the embodiment described above, without departing from the scope of the invention; in particular, the number of movable stops 41, 51, 63 can be reduced or increases; the stops 63 may be omitted, in particular when the object immobilization system comprises at least one movable stop adapted to that of the base of the object, in particular when the stops 41, 51 are in the form of bent plates at a radius corresponding substantially to that of the cylindrical envelope of a shank 38, as illustrated in the figures; in addition, the panel 21 can be deleted.

Claims (15)

Palette (20) comportant un plateau (21, 50), un socle (40) solidaire du plateau, ainsi que des organes (41, 51, 63) de maintien aptes à limiter le déplacement d'un objet (38) reposant sur le plateau, la palette étant caractérisée en ce qu'au moins un des organes (41, 51, 63) de maintien est mobile et en ce qu'elle comporte en outre : - au moins un organe (61, 62) d'actionnement de l'organe (des organes) mobile(s) de maintien, qui s'étend sous le plateau et est mobile; et - au moins un mécanisme (28, 30, 53, 54, 58, 59) de transmission de mouvement qui est relié à l'organe (aux organes) mobile(s) de maintien et à l'organe d'actionnement, de manière à provoquer le déplacement de l'organe (des organes) mobile(s) de maintien par rapport à l'objet (28), lors du déplacement de l'organe (61, 62) d'actionnement. Pallet (20) comprising a plate (21, 50), a base (40) integral with the plate, and holding members (41, 51, 63) able to limit the movement of an object (38) resting on the tray, the pallet being characterized in that at least one of the holding members (41, 51, 63) is movable and in that it further comprises: - At least one member (61, 62) for actuating the movable member (s) (s), which extends under the plate and is movable; and at least one motion transmission mechanism (28, 30, 53, 54, 58, 59) which is connected to the movable movable member (s) and to the actuating member, so as to to cause displacement of the movable member (s) movable (s) relative to the object (28), during the displacement of the actuating member (61, 62). Palette selon la revendication 1, dans laquelle le socle comporte des parois latérales (23) munies d'échancrures (26) permettant l'introduction de fourches (36) d'un appareil de levage ou de manutention sous l'organe (61, 62) d'actionnement de l'organe (des organes) mobile(s) de maintien, de façon à rapprocher de l'objet (38) l'organe (les organes) mobile(s) de maintien sous l'action des fourches (36) de l'appareil soulevant l'organe (61, 62) d'actionnement.Pallet according to claim 1, wherein the base comprises side walls (23) provided with notches (26) for the introduction of forks (36) of a lifting or handling device under the member (61, 62 ) to actuate the movable member (s) (s), so as to bring the object (38) closer to the movable member (s) (s) for holding the forks ( 36) of the apparatus raising the actuating member (61, 62). Palette selon l'une quelconque des revendications 1 ou 2, qui comporte au moins un premier organe (41, 51) de maintien qui est mobile en rotation par rapport au plateau de chargement de la palette, au dessus de celui-ci, selon un axe (44, 45) sensiblement parallèle au plan du plateau de chargement.Pallet according to any one of claims 1 or 2, which comprises at least a first member (41, 51) for holding which is rotatable relative to the loading plate of the pallet, above it, according to a axis (44, 45) substantially parallel to the plane of the loading platform. Palette selon l'une quelconque des revendications 1 à 3, qui comporte au moins un second organe (63) de maintien qui est mobile en translation par rapport au plateau de chargement de la palette, au travers de celui-ci, selon un axe sensiblement orthogonal au plan du plateau de chargement.Pallet according to any one of claims 1 to 3, which comprises at least one second member (63) for holding which is movable in translation relative to the loading plate of the pallet, through it, along an axis substantially orthogonal to the plane of the loading platform. Palette selon l'une quelconque des revendications 1 à 4, dans laquelle au moins un organe mobile de maintien comporte une pièce d'appui (41, 51) de forme adaptée à celle de l'objet (38) à maintenir, en particulier une pièce d'appui de forme gauche.Pallet according to any one of claims 1 to 4, wherein at least one movable holding member comprises a support piece (41, 51) of a shape adapted to that of the object (38) to be maintained, in particular a left-hand support piece. Palette selon l'une quelconque des revendications 1 à 5, dans laquelle le plateau de chargement est équipé de moyens (33) permettant un déplacement d'un objet (38) reposant sur le plateau avec une faible résistance au déplacement, en particulier équipé de billes ou de rouleaux qui sont montés libres en rotation.Pallet according to any one of claims 1 to 5, wherein the loading platform is equipped with means (33) for moving an object (38) resting on the plate with a low resistance to movement, in particular equipped with balls or rollers that are mounted free in rotation. Palette selon l'une quelconque des revendications 1 à 6, dans laquelle le plateau de chargement est équipé de rouleaux (33) montés libres en rotation, certains (63) des organes de maintien et/ou une partie (53, 54) du mécanisme de transmission de mouvement étant montés mobiles entre deux rouleaux.Pallet according to any one of claims 1 to 6, wherein the loading plate is equipped with rollers (33) mounted free to rotate, some (63) of the holding members and / or a portion (53, 54) of the mechanism motion transmission being movably mounted between two rollers. Palette selon l'une quelconque des revendications 1 à 7, dans laquelle l'organe (61, 62) d'actionnement (de déploiement) des organes de maintien est mobile en translation par rapport au plateau de chargement, selon un axe sensiblement orthogonal au plan du plateau de chargement, et dans laquelle des (seconds) organes (63) de maintien sont rigidement solidaires de l'organe d'actionnement.Pallet according to any one of claims 1 to 7, wherein the member (61, 62) for actuating (deploying) the holding members is movable in translation relative to the loading plate, along an axis substantially orthogonal to the plane of the loading platform, and wherein (second) members (63) for holding are rigidly secured to the actuating member. Palette selon l'une quelconque des revendications 1 à 8, dans laquelle l'organe (61, 62) d'actionnement (de déploiement) des organes de maintien est mobile en translation par rapport au plateau de chargement, selon un axe sensiblement orthogonal au plan du plateau de chargement, et dans laquelle le mécanisme de transmission de mouvement est arrangé pour provoquer le pivotement d'organes mobiles (41, 51) de maintien lors d'une translation de l'organe d'actionnement.Pallet according to any one of claims 1 to 8, wherein the member (61, 62) for actuating (deploying) the holding members is movable in translation relative to the loading plate, along an axis substantially orthogonal to the plan of the loading platform, and wherein the motion transmission mechanism is arranged to cause the pivoting of movable members (41, 51) for holding during a translation of the actuating member. Palette selon l'une quelconque des revendications 1 à 9, dans laquelle l'organe d'actionnement (de déploiement) des organes de maintien comporte une platine (61) sensiblement parallèle au plan du plateau de chargement de la palette.Pallet according to any one of claims 1 to 9, wherein the actuating member (deployment) of the holding members comprises a plate (61) substantially parallel to the plane of the loading plate of the pallet. Palette selon la revendication 10, dans laquelle la platine (6 1) est solidaire d'entretoises (66) par l'intermédiaire desquelles la palette peut reposer sur le sol ou sur un autre objet (38).Pallet according to claim 10, wherein the plate (6 1) is secured to spacers (66) through which the pallet can rest on the ground or on another object (38). Palette selon l'une quelconque des revendications 1 à 11, dans laquelle le mécanisme de transmission de mouvement comporte des pièces (62) pourvues de moyens (59) de guidage de saillies (58) solidaires de bras (53, 54) pivotants supportant des organes (41, 51) mobiles de maintien.Pallet according to any one of claims 1 to 11, wherein the motion transmission mechanism comprises parts (62) provided with means (59) for guiding projections (58) integral with pivoting arms (53, 54) supporting movable holding members (41, 51). Palette selon l'une quelconque des revendications 1 à 12, qui comporte au moins un organe (25, 57) de verrouillage permettant d'assurer un verrouillage dans une position correspondant au maintien des objets par les organes de maintien, des organes de maintien, du mécanisme de transmission de mouvement, et/ou de l'organe d'actionnement.Pallet according to any one of claims 1 to 12, which comprises at least one locking member (25, 57) for locking in a position corresponding to the holding of objects by the holding members, holding members, the motion transmission mechanism, and / or the actuating member. Palette selon l'une quelconque des revendications 1 à 13, qui comporte plusieurs organes d'actionnement d'organes mobiles de maintien, plusieurs mécanismes de transmission de mouvement, et plusieurs organes de verrouillage respectivement associés à plusieurs organes d'actionnement des organes de maintien, à plusieurs mécanismes de transmission de mouvement, et/ou à plusieurs organes de maintien, de manière à former plusieurs systèmes (60) indépendants de maintien respectif de plusieurs objets sur la palette.Pallet according to any one of claims 1 to 13, which comprises a plurality of movable movable member actuating members, a plurality of motion transmission mechanisms, and a plurality of locking members respectively associated with a plurality of actuating members of the holding members. , to several motion transmission mechanisms, and / or to several holding members, so as to form several independent systems (60) for holding several objects on the pallet. Palette selon l'une quelconque des revendications 1 à 14 dans laquelle la hauteur de la portion de l'organe (des organes) mobile(s) de maintien qui s'étend au dessus du plateau de chargement dans la configuration d'escamotage de l'organe (des organes) mobile(s) de maintien, est au plus voisine de la hauteur du socle, de façon à limiter l'encombrement d'une pile de palettes identiques.Pallet according to any one of claims 1 to 14 wherein the height of the portion of the movable member (s) movable (s) which extends above the loading tray in the retraction configuration of the member (bodies) movable (s) maintenance, is at most close to the height of the base, so as to limit the size of a stack of identical pallets.
EP10358004A 2009-06-25 2010-06-25 Pallet with locking system Withdrawn EP2266885A1 (en)

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FR0903087A FR2947248B1 (en) 2009-06-25 2009-06-25 PALETTE

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
DE102012019712A1 (en) * 2012-10-08 2014-04-10 Rainer Gmbh Transport pallet with attachment for barrels
CN113619901A (en) * 2020-06-30 2021-11-09 于长江 Splicing barrel body protection mechanism for barreled water transportation and using method
US11820634B2 (en) 2020-02-21 2023-11-21 Crown Equipment Corporation Modify vehicle parameter based on vehicle position information

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FR2208379A5 (en) * 1972-11-27 1974-06-21 Meffre Reine
FR2249547A7 (en) 1973-10-26 1975-05-23 Belgonucleaire Sa Stillage for radioactive waste drums - with antitilting structure preventing drums falling off during remote handling
DE3709870A1 (en) 1987-03-26 1988-10-13 Schneider Walter Gmbh Co Kg Safety pallet
FR2624097A1 (en) * 1987-12-04 1989-06-09 Breton Reparation Ferrov Goods-handling pallet
US4919277A (en) * 1989-03-20 1990-04-24 Chrysler Motors Corporation Shipping rack including dunnage bar locking mechanism
US5529185A (en) * 1994-10-07 1996-06-25 Johnstown Industries, Inc. Twin sheet plastic pallet with latch means

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2208379A5 (en) * 1972-11-27 1974-06-21 Meffre Reine
FR2249547A7 (en) 1973-10-26 1975-05-23 Belgonucleaire Sa Stillage for radioactive waste drums - with antitilting structure preventing drums falling off during remote handling
DE3709870A1 (en) 1987-03-26 1988-10-13 Schneider Walter Gmbh Co Kg Safety pallet
FR2624097A1 (en) * 1987-12-04 1989-06-09 Breton Reparation Ferrov Goods-handling pallet
US4919277A (en) * 1989-03-20 1990-04-24 Chrysler Motors Corporation Shipping rack including dunnage bar locking mechanism
US5529185A (en) * 1994-10-07 1996-06-25 Johnstown Industries, Inc. Twin sheet plastic pallet with latch means

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012019712A1 (en) * 2012-10-08 2014-04-10 Rainer Gmbh Transport pallet with attachment for barrels
US11820634B2 (en) 2020-02-21 2023-11-21 Crown Equipment Corporation Modify vehicle parameter based on vehicle position information
US12116255B2 (en) 2020-02-21 2024-10-15 Crown Equipment Corporation Modify vehicle parameter based on vehicle position information
CN113619901A (en) * 2020-06-30 2021-11-09 于长江 Splicing barrel body protection mechanism for barreled water transportation and using method

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FR2947248A1 (en) 2010-12-31
FR2947248B1 (en) 2011-08-19

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