EP1586709A2 - Cadre porte-outil à caractère polyvalent pour chargeur, notamment à usage agricole agricole - Google Patents
Cadre porte-outil à caractère polyvalent pour chargeur, notamment à usage agricole agricole Download PDFInfo
- Publication number
- EP1586709A2 EP1586709A2 EP05364012A EP05364012A EP1586709A2 EP 1586709 A2 EP1586709 A2 EP 1586709A2 EP 05364012 A EP05364012 A EP 05364012A EP 05364012 A EP05364012 A EP 05364012A EP 1586709 A2 EP1586709 A2 EP 1586709A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- standard
- holder frame
- tool holder
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 210000000056 organ Anatomy 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 3
- 210000003323 beak Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- 244000141359 Malus pumila Species 0.000 description 1
- 244000000231 Sesamum indicum Species 0.000 description 1
- 235000003434 Sesamum indicum Nutrition 0.000 description 1
- 241001080024 Telles Species 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 235000021016 apples Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000004463 hay Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004460 silage Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3631—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a transversal locking element
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3668—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where engagement is effected by a mechanical lever or handle
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3672—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where disengagement is effected by a mechanical lever or handle
Definitions
- the present invention relates to a tool holder frame versatile device to equip a loader, including a front loader for use mounted on a tractor.
- Such a charger hydraulically controlled, is designed to be able to handle various materials on a farm, such as straw, hay, manure, soil, fertilizer, cereals, beets, apples of soil, of silage, in particular.
- These tools are in particular skips, claws, grapples, blades, forks, pallet trucks, or combination tools, such as claws for example.
- the tool holder attached to the end of the loader arms and the back face of the tool (facing towards the loader) have coupling means the design of which allows the quick change of the tool.
- a difficulty faced by builders and their customers users is that there is no standardization in this area, so that a tool from a given manufacturer is not necessarily adaptable to a loader / tool carrier assembly from another manufacturer.
- a first standard, marketed under the brand "MAILLEUX”, is characterized in that the tool holder frame comprises a pair of hands identical fastening of approximately “U” section, the opening of which is directed upwards, arranged coaxially and symmetrically on the the vertical and longitudinal plane of the tool holder frame while the dorsal surface of the tool is provided, at the top, with a pair of bars coaxial, thus dimensioned and positioned that each of them can fit and lodge inside a hanging hand.
- Each bar is mounted between two fittings, one of which extends downwards, and has a locking hole and a notch.
- the tool frame is equipped with a locking device comprising a pair of pins movable in translation, adapted to be inserted each in one of these orifices, and ensure the attachment of the tool on the tool holder frame.
- the notch serves as a support zone for the lower part of the tool against stops the tool holder frame.
- the locking device is controlled manually, using an operating lever, or hydraulically, by means of a cylinder, as described for example in the document FR 2 776 316.
- a second standard, especially used on the German market, and commonly referred to as “DGS”, is characterized in that the tool carrier comprises a pair of coaxial catch bars arranged symmetrically with both sides of the vertical and longitudinal median plane of the tool holder frame, while that the dorsal surface is provided, in the upper part, with a pair of coaxial hooks, whose opening is directed downwards, thus dimensioned and positioned as each of them can engage on a bar of attachment, and imprison it.
- the back of the tool has a pair of fittings having a locking hole, and a bearing area for its lower part.
- the locking holes, and correlatively the pins that penetrate have different diameters; the diameter of these holes is 30 mm for the first standard and 20 mm for the second.
- a third standard especially used on the Swedish market, and commonly referred to as "SMS" has a structure roughly similar to that of the second standard, the bars being carried by the tool holder frame, and the hooks by the tool.
- each of the locking holes is not constituted by a bore drilled in a fitting, but by a grommet attached to the base of a flat shank whose upper part carries a hook.
- each hook is therefore in the same vertical and longitudinal plane as a hole of lock, whereas according to the first two standards, the hooking means (bars or hooks) are offset laterally, outwards, with respect to fittings in which the locking holes are drilled.
- brackets of the second and third standards both in inverted U shape, have different widths; correlatively, the bars latches have different diameters, with a value of 40 mm for the second standard, and 60 mm for the third.
- the snap bars of the first standard have, for their part, a diameter having a value of 50 mm.
- the present invention aims to solve these problems incompatibility by proposing a tool-holder frame capable of being coupled to a tool complies with the aforementioned first standard, and at least one of the other two, this the toolholder frame is nevertheless relatively simple in design, returns acceptable, and convenient to use.
- the invention therefore relates to a tool holder frame for a loader, especially for agricultural use, which includes a pair of hooking hands identical shaped gutter section of approximately shaped section of "U" whose opening is directed upwards, both hands being arranged symmetrically on both sides of the vertical and longitudinal median plane of the frame tool holder, coaxially along a transverse horizontal axis, this tool holder frame being intended to be coupled to a tool satisfying a given mounting standard, said "first standard", whose dorsal face is provided, in the upper part, with a pair coaxial bars, so dimensioned and positioned that each of them can nest and fit inside a hooking hand, so that the tool conform to the first standard is then properly supported by the frame toolbox.
- the tool holder frame further comprises at least one pair of coaxial coupling bars arranged symmetrically with both sides of the vertical and longitudinal median plane of the tool holder frame, which allow the coupling of the latter to a tool satisfying at least one other standard of assembly, called "second standard", whose dorsal surface is provided, in upper part, of a pair of coaxial hooks, whose opening is directed towards the down, so sized and positioned that each of them can engage on a hanging bar, and imprison it, so that the tool complies with the second standard is then properly supported by the tool holder
- second standard at least one other standard of assembly
- Figure 1 shows an agricultural tractor TA equipped with a CH loader of known type, comprising a BR stretcher whose lifting and lowering movements are provided by a hydraulic cylinder VL said lifting cylinder.
- a tool holder frame 1 which is articulated at its base, its pivoting being provided by another hydraulic cylinder VB said tipping cylinder or digging cylinder.
- a set of connecting rods BC ensures the connection between the rod of this jack VB and the tool holder frame 1.
- This tool holder frame is provided in the upper part of a pair of hands MA , shaped gutters open upwards, intended to ensure its attachment to a tool 2, for example a bucket.
- This tool 2 has on its dorsal face means of attachment and retention which consist in particular of a pair of bars TA able to engage (by a movement from top to bottom) on hands MA ; in addition, FE fittings located on the back of the tool 2 have OV locking holes through which the locking pins carried by the tool holder frame 1 can pass, so as to ensure the attachment of the tool to this door frame -tool.
- the FE fittings have at their base a bearing zone ZA , in the form of a notch, able to bear against a crossbar BA extending transversely to the base of the frame 1.
- This tool holder frame 1 has a generally symmetrical configuration relative to the median longitudinal vertical plane.
- the two flanges are fixed by welding to the ends of a pair of high 5 and low 6 crosspieces, which consist of cylindrical rods metal.
- X-X ' and Y-Y' respectively denote the axes of the crosspieces 5 and 6.
- the two flanges are connected to each other by a rod 30 located below the upper cross member 5, also horizontal axis and transverse W-W ' .
- the upper cross member 5 has ends in the form of sleeves 50 which are attached to the inner flanges 4.
- Each sleeve 50 is integral with a plate 51 which extends vertically upwards and has inclined chamfered edges 510, respectively 511, which give it the shape of a trapezium.
- a lever 7 which is articulated at its base around the stem 30.
- lever 7 comprises an arched body 70 whose base is traversed by a transverse bore 71, which receives the hinge pin 30.
- the lever At its upper end, the lever carries a gutter 700, which is the attachment hand MA which has been mentioned above.
- Gutter 700 is approximately the general shape of a "U" whose opening is directed upwards.
- the lever 7 is traversed by a transverse bore 72 in which can engage a rod 52, one end (turned to the right of figure) carries a handle 53, while its other end is likely to engage, after passing through the bore 72 in a bore 500 provided in the sleeve 50.
- This sleeve therefore has a tubular shape.
- the length of the rod 52 is greater than the spacing Mutual Plate Set 3 and 4.
- the lever 7 being articulated on the hinge pin 30, it can tilt downwards between the flanges 3 and 4; in this case, if we introduce the rod 52 from outside to the inside of the tool holder frame through a suitable opening partially provided the top of the plate 3, the free end of the rod 52 can be penetrated into the sleeve 50.
- the two rods 52 serve of hooking bars for a tool according to a second standard.
- the pivoting lever 7 is in an erect position so that its bore 72 is centered on the axis X-X ' , the introduction of the rod 52 in the bore 72 and in the drilling of the sleeve 50 a for effect to maintain the lever 7 and, correspondingly, the hand 700 in its erect position; it is an active position in which the hand 700 is adapted to receive a gripping bar which is provided with a tool complies with the first standard.
- a locking device 8 which, in a known manner, comprises an operating lever 81 adapted to provide displacements in axial translation, along an axis referenced Z-Z ' , of two locking rods. coaxial 80, via a set of rods 811.
- these displacements can be controlled by a hydraulic cylinder.
- the lever 81 is bent at the bottom; it is articulated around a 810 axis on a plate 62 which is carried by a stirrup 60, shaped "U" returned, whose lateral branches are fixed, for example by welding, on the top of the low crossbar 6.
- the branches 61 have openings that allow the passage and guiding the locking rods 80; a light 600 provided in the branch upper horizontal of the stirrup 60 allows the passage and the deflection of one rods 811 and the lower part of the lever 81.
- the lateral pivoting of the control lever 81, around its axis articulation 810, ensures the simultaneous movement of the two rods 80 to the outside (for locking) or inwards (for unlocking), depending on the direction of this pivoting.
- a support member 9 At the base of each of the interior plates 4 of the game of flanges 3-4, is mounted a support member 9; it affects the shape of a roll horizontal transverse axis (parallel to Y-Y ') carried by a small articulated lever 90 around an axis 900 at the base of the plate 4.
- the roller 9 extends between this lever 900 of arcuate shape, and a support element 91, also of arcuate form.
- roller 9 By rotating the roller 9 around the axis 900, it can be brought in a low position, in which the elements 90 and 91 are supported against the crossbar 6, in a raised position designated 9 '(retracted position illustrated in broken lines on the right of Figure 2).
- the plates 4 have a large central notch 40, directed forward (towards the tool to receive) which authorizes the movement of the organ 9 in its pivoting movement.
- Suitable indexing and blocking means are provided to maintain the support members 9 in their high position retracted.
- FIG. 2 the existence of sleeves 800, represented in FIG. broken lines. Their function and their connection with the locking device will be described later, with particular reference to Figures 15 to 18.
- Figure 3 shows the dorsal surface of a tool belonging to a first standard, the type marketed by the MAILLEUX company.
- Coupling elements of this tool on the tool holder essentially comprise a pair of vertical fittings 20a which run from the upper part of the lower part of the dorsal side of the body, to which they are welded, as well as a pair of legs 20'A, each located opposite the upper part of each fitting, at a distance from it, outwards.
- each bracket 20A and the bracket 20'A associated is fixed a bar 21 A horizontal and transverse axis.
- the two bars 21A equipping the tool are located symmetrically on either side of a median longitudinal vertical axis and are arranged coaxially, that is to say, in the extension of one another.
- the fittings 20A In their lower part, the fittings 20A have an orifice of 22A lock and a notch 23A.
- the orifices 22A are also coaxial, as are the notches.
- the tool of Figure 4 which conforms to a second standard, in the occurrence the German standard designated "DGS" is also a 2B grab, of which the dorsal surface is provided with a pair of fittings 20B similar to those of the previously described tool 2A.
- the fittings 20B are slightly closer to one of the other than the fittings 20A.
- a hook 21B On the outside, at the level of the upper part of each fitting, is fixed a hook 21B whose active part has the general shape of a U-shaped beak turned, forming a semi-cylindrical cavity.
- the 20B fittings are partly lower a locking hole 22 B.
- these fittings have a flat edge 23B which acts as a bearing surface against the tool holder, as will be seen later.
- the tool 2C shown in Figure 5 is a claw. This is a tool complies with a third standard in service on the Swedish market, designated "SMS”.
- the fittings provided on the back of these tools are flat rods 20C vertical which are provided in the upper part of a hook 21C having the shape a beak whose opening, semi-cylindrical, is turned downwards.
- each fitting At the base of each fitting is provided a semi-cylindrical eyelet 22C. It has a transverse opening acting as a locking orifice.
- the operator who is on the agricultural tractor can handle the tool holder as it sees fit, tilting it more or less thanks to the tipping cylinder and raising it more or less, thanks to the cylinder of lifting, to engage against the back of the tool, and to hook the tool.
- Both hands 700 are thus in the active position.
- each hand 700 corresponds to the game close to the length of each bar 21 A, and their mutual spacing also corresponds, of course, to the mutual spacing of these bars.
- the width of the gutter that constitutes each hand 700 corresponds to the interlocking clearance, to the diameter of a bar 2 1 A.
- this diameter is equal to 50 mm.
- the position of the rollers 9 with respect to the hands 700 when these rollers are in their active position in Figure 6, is determined by way that when the bars 21A are engaged in the hands 700, each roller bears in the notch 23A of a fitting.
- the position of the locking rods 80 is determined such that after latching and pressing the tool 2A on the tool holder 1, the locking holes 22A are each in the axial alignment Z-Z ' said rods 80.
- the rods 52 have a diameter that corresponds to the interlocking game close to the width of the openings of the hooks 21 B.
- this diameter is 40 mm.
- the orifices 22B are positioned opposite the locking rods 80 and the support songs 23B of the tool bear against the rollers 9.
- the levers 7 are retracted (in a referenced position 7 '); the rollers 9 are also retracted, by lifting, in a position referenced 9 '.
- this diameter is 60 mm.
- FIG. 9 to 14 also illustrate these different configurations.
- Locking holes 22B and 22C have a smaller diameter than the locking holes 22A of the tool 2A.
- these diameters are 20 mm for tools 2B and 2C and 30 mm for tool 2A.
- the locking rods 80 have a diameter adapted to engage directly into an orifice 22B or 22C. Their diameter is therefore slightly less than 20 mm.
- the rod 80 is integral at its end with a bar 83. last is traversed by a bore which is engaged on the end portion of the rod 80, a pin 830 ensuring the complete connection of the bar 83 with the rod 80.
- the bar 83 extends perpendicular to the rod 80, substantially in a horizontal plane.
- the locking device also comprises an articulated lever 87, which can pivot in its central portion about a vertical axis 88.
- This axis is carried by a plate referenced 63 in FIG.
- this lever 87 is integral with a sleeve 800.
- a connecting rod 84 connects one end of the bar 83 with the other end of the lever 87.
- the rod 84 is directly articulated, via an axis 86, on the lever 87.
- This rod has a light 840 inside which engages a finger 85 integral with the bar 83.
- the sleeve 800 has a diameter d 2 greater than the diameter d 1 of the rod 80.
- the sleeve 800 is tubular; it has a central opening cylindrical 801 adapted to engage, with some play, on the end portion of the rod 80.
- Reference t indicates the trajectory of the center of the sleeve 800 during this pivoting; it is a trajectory in an arc of a circle, tangent to the axis of the rod 80.
- the opening 801 inside the sleeve 800 is lined by a conical inlet surface 801 ', constituting a flared mouthpiece which authorizes this commitment at the end of the pivoting stroke of the lever 87.
- the diameters d 1 and d 2 correspond, with the engagement clearance, to the diameters D 1 and D 2 corresponding, respectively, to the diameters of the locking holes of the tools according to the second and third standards, on the one hand (20 mm ), and the first standard, on the other hand (30 mm).
- the mutual spacing of the orifices 22C is slightly smaller than the mutual spacing of the orifices 22B, which itself is slightly smaller than the mutual spacing of the orifices 22A.
- the locking device is thus positioned and dimensioned as the fittings 20B and 20C are positioned opposite the end portion rods 80, between the bar 83 and the sleeve 800 ( Figure 17).
- fitting 20A and correspondingly its orifice of 22A lock, is positioned at the sleeve 800 ( Figure 18).
- each fitting 20 to be placed between the end of a rod 80 and the associated sleeve 800, after which the locking ( Figure 17 or 18).
- FIG. 19 which relates to a tool according to first standard, shows that, on the one hand, the bars 21A are engaged in the hands 700, and that the fittings 20A are at the sleeves 800, which ensure the locking.
- tabs 20'A have an oblique portion 200'A ramp-shaped, which ensures good guidance of the tool holder relative to the tool at the beginning of operation.
- fittings 21B located opposite the rods 52, outside the sleeves 50 and platelets 51; it is also observed that the fittings 20B are opposite the portions 80 of the locking rods (which pass through them).
- the hooks 21C are in taken with the portions of the sleeves 50 located inward relative to the platelets 51; it is the internal slanted edges 511 of the plates 51 which assure guiding and centering the tool relative to the tool holder frame during the approach phase, the hooks coming this time to be placed inside the two pads 51.
- the locking holes 22C are positioned relative to the rods 80, which pass through them, in a position slightly offset inward from the position occupied by the holes 22B.
- references LA and 1A denote the outside and inside spacings of the pair of gripping hands 700.
- references LD and LC designate the spacings and outer and inner edges of the plates 51.
- a tool holder frame according to the invention although designed initially to equip an agricultural tractor can also find applications in other areas, in particular for equipping public works, for earthworks for example.
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
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Abstract
Description
- chacune desdites mains d'accrochage est portée par un levier articulé susceptible d'occuper sélectivement, par pivotement, soit une position dressée active, dans laquelle elle est capable d'accueillir et de supporter un barreau solidaire d'un outil conforme au premier standard, soit une position basse inactive dans laquelle elle est escamotée de telle sorte qu'elle ne contrarie pas l'accouplement du cadre porte-outil avec un outil conforme au deuxième standard, et notamment l'engagement des crochets dont est pourvu cet outil sur lesdits barreaux d'accrochage;
- le cadre porte-outil comprend une armature comprenant des traverses horizontales haute et basse reliées, à chacune de leurs extrémités, par une paire de plaques parallèles s'étendant sensiblement dans des plans verticaux longitudinaux et formant un jeu de flasques entre lesquels est monté le levier articulé;
- chacun desdits leviers présente une ouverture transversale
susceptible d'être traversée par une tige cylindrique amovible, portée par l'un desdits
jeux de flasques, cette tige étant adaptée pour assurer sélectivement l'une des deux
fonctions suivantes:
- maintenir le levier en position dressée active, lorsqu'elle est insérée dans ladite ouverture;
- faire office de barreau d'accrochage apte à coopérer avec le crochet d'un outil conforme au deuxième standard, lorsqu'elle n'est pas insérée dans ladite ouverture, et que le levier est escamoté dans sa position basse inactive;
- les portions d'extrémité de ladite traverse haute sont fixées aux flasques intérieurs desdits jeux de flasques et elles sont tubulaires, leur diamètre interne étant ainsi dimensionné qu'il autorise l'engagement et le centrage d'une portion d'extrémité de ladite tige amovible, lorsqu'elle est insérée dans le jeu de flasques.
- le cadre porte-outil comporte deux paires distinctes de barreaux d'accrochage, de diamètres différents, et dont l'écartement mutuel en direction transversale est différent, l'une des paires de barreaux étant adaptée pour coopérer avec une paire de crochets solidaires d'un outil conforme au deuxième standard, et l'autre avec une paire de crochets solidaires d'un outil conforme à un troisième standard;
- les portions d'extrémité de la traverse haute sont des manchons cylindriques accolés aux flasques intérieurs, qui ont un diamètre externe supérieur à celui desdites tiges amovibles, et sont adaptés pour faire office de barreaux d'accrochage aptes à coopérer avec les crochets d'un outil conforme au troisième standard;
- chacun desdits manchons cylindriques est solidaire d'une plaquette présentant des bords biseautés, cette plaquette étant adaptée pour faciliter le guidage relatif du cadre porte-outil et de l'outil conforme au deuxième ou au troisième standard lors de la phase d'approche en vue de leur accouplement, et pour assurer leur bon centrage mutuel après accouplement;
- le cadre porte-outil comporte, en partie inférieure, une paire d'organes d'appui escamotables, situés au voisinage des extrémités de ladite traverse inférieure, chacun d'eux étant susceptible d'occuper sélectivement soit une position saillante et active, dans laquelle elle vient en appui contre des ferrures solidaires de la face dorsale de l'outil, lorsque ce dernier est accouplé au cadre porte-outil, soit une position escamotée et inactive, dans laquelle c'est la traverse inférieure qui assure cet appui, directement contre la zone inférieure de la face dorsale de l'outil;
- lesdits organes d'appui sont des rouleaux horizontaux, d'axe transversal, portés par un levier qui est articulé autour d'un axe porté par l'un des flasques intérieurs, leur escamotage étant réalisé par relèvement de ces leviers, tandis que leur déplacement en position active se fait par pivotement desdits leviers vers le bas, ladite traverse basse faisant alors office de butée pour les organes d'appui;
- le cadre porte-outil comporte des organes de verrouillage de l'outil sur le cadre porte-outil, qui sont adaptés pour pénétrer aussi bien dans des orifices de verrouillage prévus sur des ferrures solidaires d'un outil conforme au premier standard, que dans des orifices de verrouillage, de diamètre différent, prévus sur des ferrures solidaires d'un outil conforme au deuxième et/ou au troisième standard.
- la figure 1 est une vue générale, de côté, d'un tracteur agricole équipé d'un chargeur portant un cadre porte-outil ; cette figure montre également un outil, en l'occurrence une benne, apte à être accouplée au cadre porte-outil ;
- la figure 2 est une vue générale, en perspective, avec des éléments vus en détail en vue éclatée, qui représente schématiquement un cadre porte-outil conforme à l'invention ;
- les figures 3 à 5 représentent, vus de trois-quarts arrière, trois outils de catégories différentes susceptibles d'être accouplés au cadre porte-outil conforme à l'invention, ces outils étant conformes respectivement à un premier, un deuxième, et un troisième standard ;
- les figures 6, 7 et 8 sont des vues en perspective du cadre porte-outil, dans des configurations d'utilisation destinées à coopérer respectivement avec un outil conforme au premier, au deuxième et au troisième standard;
- les figures 9, 10 et 11 sont des vues de côté d'un outil conforme respectivement au premier, au deuxième et au troisième standard ;
- les figures 12, 13 et 14 sont des vues de côté du cadre porte-outil dans une configuration qui correspond à son accouplement avec respectivement l'outil de la figure 9, l'outil de la figure 10 et l'outil de la figure 11 ;
- la figure 15 est une vue de détail qui représente un système de verrouillage équipant le cadre porte-outil de l'invention, ce système étant adapté pour pouvoir coopérer avec des orifices de verrouillage de diamètre différent, ledit système étant représenté dans sa position ouverte, de déverrouillage ;
- la figure 16 est une vue similaire à celle de la figure 15 qui représente le système en position de verrouillage ;
- les figures 17 et 18 sont des vues analogues à celle de la figure 16, à échelle plus petite, qui représentent des verrouillages dans des orifices de diamètre différent ;
- les figures 19, 20 et 21 sont des vues schématiques partielles, de dessus, illustrant la manière dont le cadre porte-outil est accouplé, respectivement, à un outil conforme au premier, au deuxième, et au troisième standard ;
- les figures 22, 23 et 24 sont des vues de face de la partie arrière d'outils conformes respectivement au premier, au deuxième, et au troisième standard, ces vues étant essentiellement destinées à préciser les différentes côtes des organes d'accrochage et de retenue des outils sur le cadre porte-outil.
- Entraxe PA des deux extrémités externes des barreaux d'accrochage 21 : 1155 mm.
- Entraxe extérieur QA des ferrures 20A : 845 mm
- Entraxe intérieur qA de ces mêmes ferrures : 805 mm
- Entraxe PB extérieur des crochets 21 B : 1080 mm
- Entraxe intérieur pB des mêmes crochets : 1000 mm
- Entraxe extérieur QB des deux ferrures 20B : 780 mm
- Entraxe intérieur qB des mêmes ferrures : 740 mm.
- Entraxe extérieur PC des deux crochets 21 C : 720 mm
- Entraxe intérieur pC des mêmes crochets : 660 mm
- Entraxe extérieur QC des oeillets 22C : 740 mm
- Entraxe intérieur qC des mêmes oeillets : 640 mm.
- LA = 1150 mm
- IA = 970 mm
- LB = 990 mm
- LC = 730 mm
Claims (11)
- Cadre porte-outil pour chargeur, notamment à usage agricole, qui comporte une paire de mains d'accrochage identiques (700) en forme de tronçon de gouttière de section approximativement en forme de "U" dont l'ouverture est dirigée vers le haut, ces deux mains (700) étant disposées symétriquement de part et d'autre du plan vertical et longitudinal médian du cadre porte-outil (1), coaxialement suivant un axe horizontal transversal, ce cadre porte-outil étant destiné à être accouplé à un outil (2A) satisfaisant à un standard de montage donné, dit "premier standard", dont la face dorsale est pourvue, en partie haute, d'une paire de barreaux coaxiaux (21A), ainsi dimensionnés et positionnés que chacun d'eux peut s'emboíter et se loger à l'intérieur d'une main d'accrochage (700), de telle sorte que l'outil (2A) conforme au premier standard se trouve alors convenablement supporté par le cadre porte-outil (1), caractérisé par le fait qu'il comporte, en outre, au moins une paire de barreaux d'accrochage coaxiaux (52) disposés symétriquement de part et d'autre du plan vertical et longitudinal médian du cadre porte-outil, qui autorisent l'accouplement de ce dernier à un outil (2B) satisfaisant à au moins un autre standard de montage, dit "deuxième standard", dont la face dorsale est pourvue, en partie haute, d'une paire de crochets coaxiaux (21B), dont l'ouverture est dirigée vers le bas, ainsi dimensionnés et positionnés que chacun d'eux peut s'engager sur un barreau d'accrochage (52), et l'emprisonner, de telle sorte que l'outil (2B) conforme au deuxième standard se trouve alors convenablement supporté par le cadre porte-outil (1).
- Cadre porte-outil selon la revendication 1, caractérisé par le fait que chacune desdites mains d'accrochage (700) est portée par un levier articulé (7) susceptible d'occuper sélectivement, par pivotement, soit une position dressée active, dans laquelle elle est capable d'accueillir et de supporter un barreau (21 A) solidaire d'un outil conforme au premier standard, soit une position basse inactive dans laquelle elle est escamotée de telle sorte qu'elle ne contrarie pas l'accouplement du cadre porte-outil avec un outil (2B) conforme au deuxième standard, et notamment l'engagement des crochets (21B) dont est pourvu cet outil sur lesdits barreaux d'accrochage (21A).
- Cadre porte-outil selon la revendication 2, caractérisé par le fait qu'il comprend une armature comprenant des traverses horizontales haute (5) et basse (6) reliées, à chacune de leurs extrémités, par une paire de plaques parallèles (3-4) s'étendant sensiblement dans des plans verticaux longitudinaux et formant un jeu de flasques entre lesquels est monté le levier articulé (7).
- Cadre porte-outil selon la revendication 3, caractérisé par le fait que chacun desdits leviers (7) présente une ouverture transversale (72) susceptible d'être traversée par une tige cylindrique amovible (52), portée par l'un desdits jeux de flasques (3-4), cette tige étant adaptée pour assurer sélectivement l'une des deux fonctions suivantes:maintenir le levier (7) en position dressée active, lorsqu'elle est insérée dans ladite ouverture (72);faire office de barreau d'accrochage (52) apte à coopérer avec le crochet (21B) d'un outil (2B) conforme au deuxième standard, lorsqu'elle est n'est pas insérée dans ladite ouverture et que le levier (7) est escamoté dans sa position basse inactive.
- Cadre porte-outil selon la revendication 4, caractérisé par le fait que les portions d'extrémité de ladite traverse haute (5) sont fixées aux flasques intérieurs (4) desdits jeux de flasques et qu'elles sont tubulaires, leur diamètre interne étant ainsi dimensionné qu'il autorise l'engagement et le centrage d'une portion d'extrémité de ladite tige amovible (52), lorsqu'elle est insérée dans le jeu de flasques (3-4).
- Cadre porte-outil selon l'une des revendications 1 à 5, caractérisé par le fait qu'il comporte deux paires distinctes de barreaux d'accrochage (52; 50), de diamètres différents, et dont l'écartement mutuel en direction transversale est différent, l'une des paires de barreaux (52) étant adaptée pour coopérer avec une paire de crochets (21B) solidaires d'un outil (2B) conforme au deuxième standard, et l'autre avec une paire de crochets (21 C) solidaires d'un outil (2C) conforme à un troisième standard.
- Cadre porte-outil selon les revendications 5 et 6 prises en combinaison, caractérisé par le fait que les portions d'extrémité de la traverse haute (5) sont des manchons cylindriques (50) accolés aux flasques intérieurs, qui ont un diamètre externe supérieur à celui desdites tiges amovibles (52), et sont adaptés pour faire office de barreaux d'accrochage aptes à coopérer avec les crochets (21 C) d'un outil (2C) conforme au troisième standard.
- Cadre porte-outil selon la revendication 7, caractérisé par le fait que chacun desdits manchons cylindriques (50) est solidaire d'une plaquette (51) présentant des bords biseautés (510, 511), cette plaquette étant adaptée pour faciliter le guidage relatif du cadre porte-outil (1) et de l'outil (2B, 2C) conforme au deuxième ou au troisième standard lors de la phase d'approche en vue de leur accouplement, et pour assurer leur bon centrage mutuel après accouplement.
- Cadre porte-outil selon la revendication 3, caractérisé par le fait qu'il comporte, en partie inférieure, une paire d'organes d'appui escamotables (9), situés au voisinage des extrémités de ladite traverse inférieure (6), chacun d'eux étant susceptible d'occuper sélectivement soit une position saillante et active, dans laquelle elle vient en appui contre des ferrures (20A; 20B) solidaires de la face dorsale de l'outil (2A;2B) lorsque ce dernier est accouplé au cadre porte-outil (1), soit une position escamotée et inactive, dans laquelle c'est la traverse inférieure (6) qui assure cet appui, directement contre la zone inférieure de la face dorsale de l'outil (2C).
- Cadre porte-outil selon la revendication 9, caractérisé par le fait que lesdits organes d'appui (9) sont des rouleaux horizontaux, d'axe transversal, portés par un levier (90) qui est articulé autour d'un axe (900) porté par l'un des flasques intérieurs (4), leur escamotage étant réalisé par relèvement de ces leviers (90), tandis que leur déplacement en position active se fait par pivotement desdits leviers (90) vers le bas, ladite traverse basse (6) faisant alors office de butée pour les organes d'appui (9).
- Cadre porte-outil selon l'une au moins des revendications précédentes, caractérisé par le fait qu'il comporte des organes (80;800) de verrouillage de l'outil sur le cadre porte-outil, qui sont adaptés pour pénétrer aussi bien dans des orifices de verrouillage (22A) prévus sur des ferrures (20A) solidaires d'un outil (2A) conforme au premier standard, que dans des orifices de verrouillage (22B;22C), de diamètre différent, prévus sur des ferrures (20B;20C) solidaires d'un outil (2B;2C) conforme au deuxième et/ou au troisième standard.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0403913A FR2869055B1 (fr) | 2004-04-14 | 2004-04-14 | Cadre porte-outil a caractere polyvalent pour chargeur, notamment a usage agricole. |
FR0403913 | 2004-04-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1586709A2 true EP1586709A2 (fr) | 2005-10-19 |
EP1586709A3 EP1586709A3 (fr) | 2006-07-05 |
EP1586709B1 EP1586709B1 (fr) | 2008-11-12 |
Family
ID=34942742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05364012A Not-in-force EP1586709B1 (fr) | 2004-04-14 | 2005-03-01 | Cadre porte-outil à caractère polyvalent pour chargeur, notamment pour chargeur à usage agricole |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1586709B1 (fr) |
AT (1) | ATE414199T1 (fr) |
DE (1) | DE602005010929D1 (fr) |
FR (1) | FR2869055B1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2573278A1 (fr) * | 2011-09-23 | 2013-03-27 | Deere & Company | Porte-outil |
EP2712839A3 (fr) * | 2012-09-29 | 2015-06-03 | Gerhard Schwendner | Châssis de changement d'outil |
EP3006628A1 (fr) * | 2014-09-11 | 2016-04-13 | Deere & Company | Systeme de chargeur frontal |
EP3296469A1 (fr) * | 2016-09-16 | 2018-03-21 | CNH Industrial Italia S.p.A. | Coupleur universel de pelle rétrocaveuse |
EP3399106A1 (fr) * | 2017-05-05 | 2018-11-07 | Martin GmbH | Accouplement à changement rapide permettant de fixer un élément rapporté |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009046213B4 (de) | 2009-10-30 | 2014-02-13 | Wilhelm Stoll Maschinenfabrik Gmbh | Wechselrahmen für einen Frontlader |
USD1026968S1 (en) | 2022-11-04 | 2024-05-14 | Deere & Company | Loader carrier for implements |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1257057B (de) * | 1965-08-26 | 1967-12-21 | Alfred Hagelstein Maschinenfab | Vorrichtung zur auswechselbaren Halterung von Arbeitsgeraeten wie Ladeschaufeln am kippbar am den Hubarmen einer Lademaschine gelagerten Geraettraeger |
GB2182834A (en) * | 1985-11-19 | 1987-05-28 | Alo Maskiner Ab | Tractor-implement coupling |
US4984957A (en) * | 1988-08-08 | 1991-01-15 | Kubota, Ltd. | Work-implement adapter for front loader |
JPH04237402A (ja) * | 1991-01-16 | 1992-08-25 | Kubota Corp | 車輌の作業機装着装置 |
JPH11210013A (ja) * | 1997-10-31 | 1999-08-03 | Caterpillar Inc | 建設機械の作業具連結装置 |
EP0943738A1 (fr) * | 1998-03-18 | 1999-09-22 | Mailleux S.A. | Système de verrouillage hydraulique d'un outil de chargeur |
-
2004
- 2004-04-14 FR FR0403913A patent/FR2869055B1/fr not_active Expired - Fee Related
-
2005
- 2005-03-01 EP EP05364012A patent/EP1586709B1/fr not_active Not-in-force
- 2005-03-01 AT AT05364012T patent/ATE414199T1/de not_active IP Right Cessation
- 2005-03-01 DE DE602005010929T patent/DE602005010929D1/de active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1257057B (de) * | 1965-08-26 | 1967-12-21 | Alfred Hagelstein Maschinenfab | Vorrichtung zur auswechselbaren Halterung von Arbeitsgeraeten wie Ladeschaufeln am kippbar am den Hubarmen einer Lademaschine gelagerten Geraettraeger |
GB2182834A (en) * | 1985-11-19 | 1987-05-28 | Alo Maskiner Ab | Tractor-implement coupling |
US4984957A (en) * | 1988-08-08 | 1991-01-15 | Kubota, Ltd. | Work-implement adapter for front loader |
JPH04237402A (ja) * | 1991-01-16 | 1992-08-25 | Kubota Corp | 車輌の作業機装着装置 |
JPH11210013A (ja) * | 1997-10-31 | 1999-08-03 | Caterpillar Inc | 建設機械の作業具連結装置 |
EP0943738A1 (fr) * | 1998-03-18 | 1999-09-22 | Mailleux S.A. | Système de verrouillage hydraulique d'un outil de chargeur |
Non-Patent Citations (2)
Title |
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PATENT ABSTRACTS OF JAPAN vol. 017, no. 001 (C-1014), 5 janvier 1993 (1993-01-05) -& JP 04 237402 A (KUBOTA CORP), 25 août 1992 (1992-08-25) * |
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 13, 30 novembre 1999 (1999-11-30) -& JP 11 210013 A (CATERPILLAR INC), 3 août 1999 (1999-08-03) * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2573278A1 (fr) * | 2011-09-23 | 2013-03-27 | Deere & Company | Porte-outil |
DE102011083350A1 (de) * | 2011-09-23 | 2013-03-28 | Deere & Company | Werkzeugträger |
EP2712839A3 (fr) * | 2012-09-29 | 2015-06-03 | Gerhard Schwendner | Châssis de changement d'outil |
EP3006628A1 (fr) * | 2014-09-11 | 2016-04-13 | Deere & Company | Systeme de chargeur frontal |
US10458096B2 (en) | 2014-09-11 | 2019-10-29 | Deere & Company | System and method for aligning a front loader implement |
US11174617B2 (en) | 2014-09-11 | 2021-11-16 | Deere & Company | System and method for aligning a carrier vehicle and a selectively attachable implement |
EP3296469A1 (fr) * | 2016-09-16 | 2018-03-21 | CNH Industrial Italia S.p.A. | Coupleur universel de pelle rétrocaveuse |
US10316488B2 (en) | 2016-09-16 | 2019-06-11 | Cnh Industrial America Llc | Universal backhoe coupler |
EP3399106A1 (fr) * | 2017-05-05 | 2018-11-07 | Martin GmbH | Accouplement à changement rapide permettant de fixer un élément rapporté |
Also Published As
Publication number | Publication date |
---|---|
FR2869055A1 (fr) | 2005-10-21 |
EP1586709B1 (fr) | 2008-11-12 |
ATE414199T1 (de) | 2008-11-15 |
DE602005010929D1 (de) | 2008-12-24 |
FR2869055B1 (fr) | 2006-07-07 |
EP1586709A3 (fr) | 2006-07-05 |
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