EP1586708B1 - Vorrichtung für die Verriegelung eines Werkzeugs an den Rahmen eines Laders, insbesondere eines landwirtschaftlichen Laders - Google Patents

Vorrichtung für die Verriegelung eines Werkzeugs an den Rahmen eines Laders, insbesondere eines landwirtschaftlichen Laders Download PDF

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Publication number
EP1586708B1
EP1586708B1 EP05364011A EP05364011A EP1586708B1 EP 1586708 B1 EP1586708 B1 EP 1586708B1 EP 05364011 A EP05364011 A EP 05364011A EP 05364011 A EP05364011 A EP 05364011A EP 1586708 B1 EP1586708 B1 EP 1586708B1
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EP
European Patent Office
Prior art keywords
tool
locking
standard
rod
orifices
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EP05364011A
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English (en)
French (fr)
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EP1586708A2 (de
EP1586708A3 (de
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Loic Mailleux
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Mailleux SA
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Mailleux SA
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    • 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

Definitions

  • the present invention relates to the mounting of a tool on the tool holder frame of a loader, including a front loader for agricultural use which is mounted on a tractor.
  • a loader is a hydraulically driven material handling machine designed to handle a variety of 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 combined tools, such as clamshells, for example.
  • the tool holder frame attached to the end of the loader arms and the back face of the tool (face facing the loader) have complementary coupling means whose design allows the rapid change of the tool.
  • a difficulty encountered by manufacturers and their user customers lies in the fact that there is no standardization in the field, so that a tool from a given manufacturer is not necessarily adaptable on a loader assembly / tool holder frame from another manufacturer.
  • a first standard, marketed under the trademark "MAILLEUX”, is characterized in that the tool holder frame comprises a pair of identical hooking hands of approximately “U” -shaped section, whose opening is directed upwards, arranged coaxially and symmetrically from both sides of the vertical and longitudinal median plane of the tool holder frame, while the dorsal face of the tool is provided, at the top, with a pair of coaxial bars, so dimensioned and positioned that each of them can fit and fit 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-holder frame is equipped with a locking device comprising a pair of pins movable in translation, each adapted to fit into one of these orifices, and ensuring the attachment of the tool to the frame-holder tool.
  • the notch serves as a bearing area of the lower part of the tool against appropriate stops which is provided with the tool holder frame.
  • the locking device is controlled manually, using an operating lever, or hydraulically, by means of a jack, as described for example in the document FR 2,776,316 .
  • a second standard, particularly used on the German market, and commonly referred to as "DGS”, is characterized in that the tool holder frame comprises a pair of coaxial hooking bars arranged symmetrically on either side of the vertical and longitudinal plane. middle of the tool holder frame, while the dorsal surface is provided, in the upper part, a pair of coaxial hooks, whose opening is directed downwards, so dimensioned and positioned that each of them can engage on a hanging bar, and imprison him.
  • the back face of the tool comprises a pair of fittings having a locking hole, and a support zone for its lower part.
  • the locking holes, and correlatively the pins that penetrate have different diameters; the diameter of these orifices is 30 mm for the first standard and 20 mm for the second.
  • a third standard particularly used on the Swedish market, and commonly referred to as "SMS" has a structure 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 constituted not by a bore drilled in a fitting, but by an eyelet fixed to the base of a flat rod whose upper part carries a hook.
  • each hook is therefore in the same vertical and longitudinal plane as a locking hole, whereas according to the first two standards, the hooking means (bars or hooks) are offset laterally outwards. relative to the fittings in which the locking holes are drilled.
  • the hooks of the second and third standards both U-shaped overturned, have different widths; correspondingly, the fastening bars have different diameters, of value 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 incompatibility problems by providing a locking device adapted to ensure the locking on the tool holder frame, a tool according to the first aforementioned standard, and at least one of two others, this tool holder frame being nevertheless relatively simple design, an acceptable cost, and convenient to use.
  • the invention does not concern, on the other hand, the means of attachment and support of the tool on the tool holder frame, this aspect of the question being treated in another patent application filed simultaneously and simultaneously by the applicant.
  • This device comprises a first pair of locking pins adapted to penetrate into locking holes provided on integral fittings of a tool according to a given standard-said first standard, and a second pair of locking pins adapted to penetrate into locking holes, of different diameter, provided on integral fittings of a tool according to at least one other standard, and the first and second pair of locking pins are driven jointly by a single control system.
  • this device comprises a pair of coaxial cylindrical rods which extend transversely and horizontally and are simultaneously movable in axial translation under the action of said control system, towards the outside of the tool holder frame in order to lock, and towards the inside of the tool holder frame in the unlocking direction.
  • EP-A-1,528,163 published May 4, 2005, describes a device for locking a tool on the tool holder frame of a loader.
  • This device comprises a first and a second pair of adapted pins, one to penetrate into locking holes provided on integral fittings of the tool, which conforms to a given standard, and, the other, to penetrate into locking holes of different diameter provided on integral fittings of a tool according to at least one other standard.
  • the EP-A-1,528,163 uses a "U" bent cylindrical bar whose two ends have a smaller diameter section.
  • the two end portions of the locking bar move in the same direction, both to one side for locking, to the other side for unlocking.
  • the bent part of the bar, forming a handle is a projecting piece which protrudes on one side outside the tool holder frame, which poses problems of width and risk of space requirements. hooking.
  • the single control system can occupy a central and symmetrical, or almost symmetrical, position. There is no component overrange outside the frame, and the aforementioned guiding problem does not arise.
  • the pin guide remains in the template of the tool holder regardless of the spacing of the tool's hardware.
  • the figure 1 represents 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 its upper part with hooking means M1, intended to cooperate with complementary means M2 provided to ensure a tool 2, for example a bucket, to ensure mutual solidarity, conveniently, quickly, and allowing easy change of tools.
  • the means M2 are fixed on the dorsal face of the tool 2; 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 , for example in the form of a notch, able to bear against a crossbar BA extending transversely to the base of the frame 1.
  • longitudinal direction will be referred to as the horizontal direction corresponding to the direction of travel of the tractor (located in the plane of the drawing sheet of the figure 1 ) and "transverse direction” the direction perpendicular to the longitudinal direction (perpendicular to the plane of the sheet).
  • This tool holder frame 1 has a generally symmetrical configuration with respect to the median longitudinal vertical plane.
  • the two flanges are fixed by welding at the ends of a pair of high 10 and low 11 crosspieces, which consist of cylindrical metal rods.
  • the tool holder frame is provided with a pair of fasteners M1 which, as indicated above, are not strictly part of the invention; they are located in the upper part of each of the flanges 3-4.
  • a locking device 8 which, in known manner, is adapted to ensure displacements in axial translation, along an axis referenced Z-Z ' , of two coaxial locking rods 80, this at means of a cylinder, hydraulic or pneumatic, centered on the axis Z-Z ' , and whose body and the piston carry the references 6 and 7 respectively.
  • these movements can be controlled mechanically, using a manually operable lever.
  • stirrup constituted by an angled plate shaped " L " returned, whose upper branch (horizontal) is welded to the flange 4, while its vertical branch 40 is fixed to the lower cross member 11.
  • the hydraulic cylinder is disposed between two fixed plates 41, located inside the vertical plates 40 of the aforementioned stirrup, parallel to the latter.
  • the device comprises a pair of identical cylindrical sleeves, or sleeves, referenced 5, also centered on the Z-Z ' axis, and mounted at each end of the cylinder 6-7.
  • the plates 40 are each pierced with a bore allowing the free passage of a rod 80.
  • One of the sleeves 5 is integral with the cylinder body 6; the other is secured to the end of the piston rod 71.
  • Each of the plates 40 is also pierced with a circular opening, centered on the axis Z-Z ', through which one of the locking rods 80 passes through. Their respective diameters are such that the locking rod 80 can slide freely through this opening, but not the sleeve 5, the outer end face bears against the inner face of the associated plate 40.
  • the cylinder 6-7 is mounted "floating" between the plates 41, which means that they are not immobilized in translation, the abutment of one of the elements 6 or 7 against a fixed part, during the extension of the locking, having the effect of distributing the thrust force within the assembly so that the other element 7 or 6 in turn comes into abutment against a fixed part, as is known per se.
  • each locking rod 80 is extended axially outwardly by a cylindrical portion of smaller diameter 9, called "pin".
  • Figures 12 to 14 which represents one of the sleeves 5 (located on the right of the figure 2 , and integral with the piston rod 71), the latter is closed on the inner side by a bottom 53 and receives the rod 80 which can slide thereon over a certain axial stroke; the wall of the sleeve has a pair of elongate openings, or lumens, 50, extending longitudinally (in a generatrix) and diametrically opposite.
  • the rod 80 is traversed, in its inner end zone, by a pin whose projecting ends 81 form sliding fingers engaging in these slots 50. This cooperation of the fingers 81 with the lights defines the axial displacement stroke of the rod 80 with respect to the sleeve 5.
  • An elastic member in this case a helical compression spring 52 interposed between the bottom 53 and the rod 80, constantly tends to push the latter out of the sleeve 80, so that the fingers 81 abut against the outer edge of the lights 50.
  • the figure 3 represents the dorsal surface of a tool belonging to a first standard, of the type marketed by MAILLEUX.
  • the coupling elements of this tool on the tool holder frame essentially comprise a pair of vertical fittings 20a which run from the upper part to the lower part of the dorsal face of the bucket, to which they are welded, and a pair of legs 20'A, each located vis-à-vis the upper part of each fitting, to a certain distance from it, towards the outside.
  • each fitting 20A and the associated tab 20'A is fixed a bar 21A of horizontal and transverse axis.
  • the two bars 21A equipping the tool are located symmetrically on either side of a longitudinal central 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 a locking orifice 22A 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 this case the German standard designated "DGS" is also a body 2B, whose back face is provided with a pair of fittings 20B similar to those of the previously described tool 2A.
  • DGS German standard
  • fittings 20B are slightly closer to each other than the fittings 20A.
  • a hook 2 1 B On the outer side, at the upper part of each fitting, is fixed a hook 2 1 B whose active part has the general shape of a beak "U" returned, forming a semi-cylindrical cavity.
  • the fittings 20B have in the lower part 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 below.
  • the 2C tool shown in figure 5 is a claw. It is a third standard compliant service tool on the Swedish market, designated "SMS”.
  • the fittings provided on the back of these tools are vertical flat rods 20C which are provided in the upper part of a hook 21C having the shape of a spout 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 tool holder frame is provided in the upper part of attachment means, and in the lower part, support members ensuring the attachment and setting up, regardless of the type of tool. 'tool.
  • the locking means which are the subject of the present invention, described below, are adapted to cooperate effectively with locking holes of different diameters, of value 30 mm for the tool according to the first standard, or of value 20 mm for a tool in accordance with the second or third standard, this despite the difference in spacing mutual -or spacing- fittings in which are drilled these orifices, and their possible difference in thickness.
  • the spacing of the plates 4 and the dimensions of the stirrups in "L" returned are such that the fittings 20 of any tool, are placed in the gap between the plate 4 and the stirrup branch 40, when the tool 2 has been correctly positioned on the tool holder frame 1 and hooked to the latter.
  • the operator on the agricultural tractor can manipulate the tool holder as he wishes, by tilting more or less with the tipping cylinder and lifting more or less, thanks to the lifting cylinder , to engage against the back of the tool, and to hook the tool.
  • the locking holes 22 are each in axial alignment Z-Z 'of said rods 80.
  • Cylinder 6-7 is biased in the direction of its extension, so that the two sleeves 5 move outwardly until abutting against the plates 40, which corresponds to the maximum extension of the cylinder.
  • the rods 80 which are pushed out to the maximum, under the action of the springs 52, accompany this movement without annoyance because there is no obstacle on their path.
  • the sleeves 5 and the rods 80 have lengths sufficient to allow this locking, the fittings in question having a maximum distance between them.
  • Cylinder 6-7 is biased in the direction of its extension, so that the two sleeves 5 move outwardly until abutting against the plates 40, which corresponds to the maximum extension of the cylinder.
  • Unlocking is simply by retraction of the cylinder, whatever the tool concerned, the device thus returning to its original state of the figure 2a .
  • the rod 80 (movable, in the locking direction, from left to right in the figures) is integral at its end with a bar 83.
  • the latter 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 part around a vertical axis 88.
  • This axis is carried by a fixed part, that is to say, integral with the tool holder frame, not shown.
  • the 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 cylindrical central opening 801 able to engage, with a certain clearance, 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 bordered by an approximately conical or tulip-shaped inlet surface 801 'constituting a flared mouthpiece which allows this engagement 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 so that the fittings 20B and 20C are positioned facing the end portion of the rods 80, between the bar 83 and the sleeve 800 (FIGS. figure 17 ).
  • fitting 20A is positioned at the sleeve 800 ( figure 18 ).
  • each fitting 20 being placed between the end of a rod 80 and the associated sleeve 800, after which the locking is carried out ( figure 17 or 18 ).
  • the invention also makes it possible, of course, to adapt to other existing or future possible tool standards, by appropriate choice of the diameter and the length of each spindle, as well as their location (in active position). .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Agricultural Machines (AREA)
  • Earth Drilling (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Catching Or Destruction (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Claims (10)

  1. Vorrichtung zur Verriegelung eines Werkzeugs (2) auf dem Werkzeugtragerahmen (1) eines Laders, insbesondere zur landwirtschaftlichen Verwendung, der ein erstes Paar Verriegelungsstecker (80; 800) umfasst, die ausgestaltet sind, um in Verriegelungsöffnungen (22A) einzudringen, die auf Beschlägen (20A) vorgesehen sind, die mit einem Werkzeug (2A) gemäß einem gegebenen Standard verbunden sind - erster Standard genannt-, sowie ein zweites Paar Verriegelungsstecker (9; 80), die ausgestaltet sind, um in Verriegelungsöffnungen (22B; 22C) von verschiedenen Durchmessern einzudringen, die auf Beschlägen (20B; 20C) vorgesehen sind, die mit einem Werkzeug (2B; 2C) gemäß mindestens eines anderen Standards verbunden sind, wobei das erste und das zweite Paar Verriegelungsstecker durch ein einziges Steuersystem (8) zusammen ausgebildet sind, dadurch gekennzeichnet, dass sie ein zylindrisches koaxiales Bolzenpaar (80) umfasst, die sich quer und horizontal erstrecken und gleichzeitig in axialer Translation unter Einwirkung des Steuersystems (8), nach außen des Werkzeugtragerahmens (1) verschiebbar sind, um die Verriegelung zu gewährleisten, und nach innen des Werkzeugtragerahmens (1) in Richtung der Entriegelung.
  2. Verriegelungsvorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass das Steuersystem ein hydraulischer oder pneumatischer Zylinder (6-7) ist.
  3. Verriegelungsvorrichtung gemäß einem der Ansprüche 1 oder 2, die auf dem Werkzeugtragerahmen (1) die Befestigung von Werkzeug (2A) gemäß dem ersten Standard erlaubt, mit einem Paar Beschlägen (20A), die einen gegenseitigen Abstand in Querrichtung aufweisen, der etwas größer ist als der des anderen Standards - zweiter Standard genannt-, wobei diese Beschläge mit runden Verriegelungsöffnungen (22A) ausgestattet sind, deren Durchmesser größer ist als der der runden Verriegelungsöffnungen (22B) des zweiten Standards, wobei der Werkzeugtragerahmen (1) mit Kopplungs- und Positioniereinrichtungen für Wer-kzeuge vorgesehen ist, die so ausgestaltet sind, dass die Verriegelungsöffnungen eines Werkzeugs gemäß dem ersten Standard sich ebenso wie diese eines Werkzeugs (2B) gemäß des zweiten Standards in Position gelangen, jede in der Achse (Z-Z') der Bolzen (80), außerhalb letzterer, beim Ansetzen des Werkzeugs (2) am Werkzeugtragerahmen (1), während sich diese Bolzen in inaktiver Position befinden, nach innen zurückgezogen, dadurch gekennzeichnet, dass der freie Endbereich jedes Bolzens (20), der vom Werkzeugtragerahmen nach außen gerichtet ist, einen Durchmesser aufweist, der mit engem Eingriffsspiel dem der Verriegelungsöffnungen (22A) mit größerem Durchmesser eines Werkzeugs (2A) gemäß dem ersten Standard entspricht, dieser Bereich - der als erster Verriegelungsstecker dient - der sich koaxial nach außen über einen Teil (9) in Form eines zylindrischen Zapfens ausdehnt, der einen kleineren Durchmesser aufweist, der mit engem Eingriffspiel dem der Verriegelungsöffnungen (22B) eines Werkzeugs (2B) gemäß dem zweiten Standard entspricht, wobei dieser Zapfen (9) als zweiter Verriegelungsstecker dient.
  4. Verriegelungsvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass jeder der Bolzen (80) in axialer Translation in einer Muffe (5) geführt wird, die unter Einwirkung des Steuersystems (8) auf eine Weise verschiebbar ist, dass er selektiv entweder nach innen des Werkzeugtragerahmens eine zurückgezogene Position oder eine ausgefahrene Position, deren Weg geeicht ist, einnehmen kann, beispielsweise indem die Muffe (5) gegen einen Anschlag (40) gelangt, wobei ein elastisches System, wie eine Feder (52), die in der Muffe (5) angeordnet ist, den Bolzen (80) dauernd belastet, um ihn aus der Muffe heraus über einen beschränkten Weg zu verschieben.
  5. Verriegelungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Wandung der Muffe (5) mindestens ein Langloch (50) aufweist und dass der Bolzen (80) mit mindestens einem Anschlagfinger (81) ausgestattet ist, der in das Loch (50) eingreift, was den Verschiebungsweg des Bolzens im Inneren der Muffe bestimmt.
  6. Verriegelungsvorrichtung nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass einerseits das Steuersystem (8) einen hydraulischen oder pneumatischen doppelt wirkenden Zylinder (6-7) umfasst, der schwimmend im Inneren des Werkzeugtragerahmens angebracht ist und dass andererseits die Muffen (5) koaxial an den Enden dieses Zylinders angebracht sind, wobei die eine von ihnen mit dem Körper (6) verbunden ist, und die andere mit dem Bolzen (7) des Zylinders.
  7. Verriegelungsvorrichtung nach Anspruch 6, die auf dem Werkzeugtragerahmen (1), unter anderem, die Befestigung von Werkzeugen (2C) gemäß einem dritten Standard erlaubt, die ein Paar Beschläge (20C) besitzen, die einen gegenseitigen Abstand in Querrichtung aufweisen, der kleiner ist als der der anderen Standards, und die runde Verriegelungsöffnungen (22C) besitzen, deren Durchmesser gleich zu dem der runden Verriegelungsöffnungen des zweiten Standards ist, dadurch gekennzeichnet, dass wenn sich der Zylinder (6-7) in maximaler Ausdehnung befindet, die Verriegelung wie folgt stattfindet:
    - für ein Werkzeug (2A) gemäß dem ersten Standard, durch Eingriff des Bereichs mit größerem Durchmesser jedes Verriegelungsbolzens (80) in eine Verriegelungsöffnung (22A) des Werkzeugs, wobei dieser Bolzen bis zum Maximum aus der Muffe (5) herausragt;
    - für ein Werkzeug (2B) gemäß dem zweiten Standard, durch Eingriff des Endzapfens (9) von kleinerem Durchmesser jedes Verriegelungsbolzens (80) in eine Verriegelungsöffnung (22B) des Werkzeugs, wobei dieser Bolzen teilweise aus der Muffe (5) herausragt;
    - für ein Werkzeug (2C) gemäß dem dritten Standard, durch Eingriff des Endzapfens (9) von kleinerem Durchmesser jedes Verriegelungsbolzens (80) in eine Verriegelungsöffnung (22C) des Werkzeugs, wobei dieser Bolzen ins Innere der Muffe (5) maximal, oder so gut wie maximal, eingezogen ist.
  8. Verriegelungsvorrichtung nach Anspruch 1, die auf dem Werkzeugtragerahmen die Befestigung von Werkzeugen (2A) gemäß dem ersten Standard erlaubt, die ein Paar Beschläge (20A) besitzen, die einen gegenseitigen Abstand in Querrichtung etwas größer als der des anderen Standards - zweiter Standard genannt - aufweisen, wobei diese Beschläge mit runden Verriegelungsöffnungen (22A) ausgestattet sind, deren Durchmesser größer ist als der der runden Verriegelungsöffnungen (22B) des zweiten Standards, wobei der Werkzeugtragerahmen (1) mit Kopplungs- und Positioniereinrichtungen von Werkzeugen vorgesehen ist, die so ausgestaltet sind, dass die Verriegelungsöffnungen eines Werkzeugs (2A) gemäß dem ersten Standard ebenso wie diese eines Werkzeugs (2B) gemäß dem zweiten Standard in Position gelangen, jede in der Achse (Z-Z') der Bolzen, außerhalb letzterer, beim Ansetzen des Werkzeugs (2) am Werkzeugtragerahmen, während sich diese Bolzen in inaktiver Position befinden, nach innen zurückgezogen, dadurch gekennzeichnet, dass der freie Endbereich jeden der Bolzen (80), der vom Werkzeugtragerahmen nach außen gerichtet ist, einen Durchmesser (d1) aufweist, der mit engem Eingriffsspiel dem (D1) der Verriegelungsöffnungen (22B) mit kleinerem Durchmesser eines Werkzeugs (2B) gemäß dem zweiten Standard entspricht, wobei dieser Bereich - der als zweiter Verriegelungsstecker dient - kinematisch mit einem Schwenkhebel (87) verbunden ist, der einen Stecker (800) trägt, dessen Durchmesser (d2) mit engem Eingriffsspiel dem (D2) der Verriegelungsöffnungen mit größerem Durchmesser eines Werkzeugs (2A) gemäß dem ersten Standard entspricht, wobei die kinematische Verbindung zwischen dem Bolzen und diesem Stecker (800) so ist, dass die Verschiebung (f) des Bolzens (80) nach außen eine Bewegung (g) in Richtung entgegengesetzt zu dem Stecker hervorruft, von solcher Art, dass er am Ende des Wegs in Einschub in eine Verriegelungsöffnung (22A) des Werkzeugs (2A) gemäß dem ersten Standard gelangt, wobei er so als erster Verriegelungsstecker dient.
  9. Verriegelungsvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass der erste Verriegelungsstecker (800) aus einer Buchse besteht, die eine innere Öffnung (801) aufweist, die so angepasst und dimensioniert ist, dass am Ende des Wegs in der Verriegelungsrichtung das freie Ende des Bolzens (80) darin in Abdeckung gelangt.
  10. Verriegelungsvorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass der erste Verriegelungsstecker (800) in der Form einer Buchse durch einen Schwenkhebel (87) getragen wird, dessen Umschwenken durch ein Gestänge gesteuert wird, das aus einem Steg (83), der mit dem Bolzen (80) verbunden ist, und einem Pleuel mit einem Loch (84), das diesen Steg (83) mit dem Schwenkhebel (87) verbindet, zusammengesetzt ist, wobei das Zentrum der Buchse einer kreisbogenförmigen Trajektorie (t), tangential zur Achse (Z-Z') des Bolzens, folgt.
EP05364011A 2004-04-14 2005-03-01 Vorrichtung für die Verriegelung eines Werkzeugs an den Rahmen eines Laders, insbesondere eines landwirtschaftlichen Laders Expired - Lifetime EP1586708B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0403912A FR2869054B1 (fr) 2004-04-14 2004-04-14 Dispositif de verrouillage d'un outil sur le cadre porte-outil d'un chargeur, notamment a usage agricole.
FR0403912 2004-04-14

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EP1586708A2 EP1586708A2 (de) 2005-10-19
EP1586708A3 EP1586708A3 (de) 2006-07-05
EP1586708B1 true EP1586708B1 (de) 2008-07-23

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EP (1) EP1586708B1 (de)
AT (1) ATE402295T1 (de)
DE (1) DE602005008301D1 (de)
FR (1) FR2869054B1 (de)

Cited By (1)

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DE102009046213A1 (de) 2009-10-30 2011-05-19 Wilhelm Stoll Maschinenfabrik Gmbh Wechselrahmen für einen Frontlader

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FR2939453B1 (fr) * 2008-12-09 2019-04-05 Ateliers De Constructions Du Beaujolais Dispositif de connexion a un coupleur rapide et godet equipe de ce dispositif
US8899906B2 (en) 2011-07-28 2014-12-02 Caterpillar Inc. Locking members for pallet fork
US8944218B2 (en) 2011-10-17 2015-02-03 Caterpillar Inc. Pallet fork
CN109853653B (zh) * 2018-12-11 2023-04-28 徐州徐工特种工程机械有限公司 一种属具快换装置
FR3141113A1 (fr) 2022-10-24 2024-04-26 Manurob Machine de manutention autonome, installation équipée d’une telle machine et procédé de commande d’une telle machine
FR3141704B1 (fr) 2022-11-03 2024-10-25 Manurob Cadre porte-outil et machine de manutention équipée d’un tel cadre porte-outil

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Publication number Priority date Publication date Assignee Title
DE102009046213A1 (de) 2009-10-30 2011-05-19 Wilhelm Stoll Maschinenfabrik Gmbh Wechselrahmen für einen Frontlader
DE102009046213B4 (de) * 2009-10-30 2014-02-13 Wilhelm Stoll Maschinenfabrik Gmbh Wechselrahmen für einen Frontlader

Also Published As

Publication number Publication date
EP1586708A2 (de) 2005-10-19
FR2869054A1 (fr) 2005-10-21
EP1586708A3 (de) 2006-07-05
FR2869054B1 (fr) 2006-07-07
ATE402295T1 (de) 2008-08-15
DE602005008301D1 (de) 2008-09-04

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