EP1129259B1 - Schnellkupplungsvorrichtung zur befestigung eines werkzeugs am ende des laderauslegers oder dgl - Google Patents

Schnellkupplungsvorrichtung zur befestigung eines werkzeugs am ende des laderauslegers oder dgl Download PDF

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Publication number
EP1129259B1
EP1129259B1 EP99949087A EP99949087A EP1129259B1 EP 1129259 B1 EP1129259 B1 EP 1129259B1 EP 99949087 A EP99949087 A EP 99949087A EP 99949087 A EP99949087 A EP 99949087A EP 1129259 B1 EP1129259 B1 EP 1129259B1
Authority
EP
European Patent Office
Prior art keywords
plate
tool
attachment device
shaft
extension
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.)
Expired - Lifetime
Application number
EP99949087A
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English (en)
French (fr)
Other versions
EP1129259A1 (de
Inventor
Alain Husson
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.)
KLAC Industrie SAS
Original Assignee
KLAC Industrie SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR9814185A external-priority patent/FR2785951B1/fr
Application filed by KLAC Industrie SAS filed Critical KLAC Industrie SAS
Publication of EP1129259A1 publication Critical patent/EP1129259A1/de
Application granted granted Critical
Publication of EP1129259B1 publication Critical patent/EP1129259B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E02F3/3613—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with means for absorbing any play therebetween
    • 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
    • E02F3/3627—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 longitudinal 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
    • E02F3/3645—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with auto-engagement means for automatic snap-on of the tool coupler part
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/59—Manually releaseable latch type

Definitions

  • the present invention relates to a quick coupler for securing a tool, such as a bucket, at the end of the arm of a loader, or the like.
  • the quick coupler has two parts distinct, one of which is secured to the arm and will be called shackle, while the other, which can cooperate with the first, results from a modification of the tool or is constituted by a piece secured to said tool and hereinafter referred to "Adapter".
  • French Patent No. 2641343 allows a automatic locking, for this, we use a sheath, split longitudinally, which, under the action of springs, pivots and closes a cradle, carried by the attachment member while imprisoning a carried tree by the tool. In addition to the complexity of the mechanism, nothing is planned to to make up for the games inherent to the various pieces in contact.
  • This device is perfectly automatic and allows the catching up games. However, it is of a high cost price in reason, in particular, the time needed to assemble the different parts constituting the attachment member which includes the cams above.
  • the cams have bores which must be machined and the distance between the axis of the cradle of the camshaft and that of the locking shaft must be precise.
  • the document FR2703113 describes extensions, in the form of a hook, which extend towards the tool shaft.
  • the present invention which overcomes these disadvantages, comprises in the known manner, an attachment member provided with a cradle to ride a tree, secured to the tool, in order to lift it and it is remarkable in that the organ which substantially affects the shape of a stirrup, presents an opening on its middle part that can be crossed by a piece having a hook-shaped extension, extending to the opposite of said shaft of the tool, under which can be inserted a plate of locking, carried by said member, now the latter plated against the tool.
  • the above-mentioned shaft and abutment may be an integral part of a adapter fixed by any usual means on the tool.
  • the quick coupler comprises two parts 1 and 2.
  • Part 1 which constitutes the fastening member, is articulated by a shaft 3 at the end of the arm 4 of a digger and it can pivot about this axis by the combined action of two rods 5 and 6 controlled by the piston rod 7 of the conventional cylinder.
  • Part 2, or adapter is made integral with the tool 8, constituted in the example represented by a bucket.
  • the components constituting the adapter may form an integral part of the tool.
  • the adapter 2 comes under the shape of a stirrup-shaped piece, secured by its part median, of the face 8a of the tool.
  • the two branches of the stirrup are joined by a shaft 9 and its middle part presents a piece 10 extending beyond the fields 11.
  • Part 10 has an extension 12, which extends opposite the shaft 9.
  • the attachment member 1 has a cradle 13, forming a hook and allowing to lift the tool, including the shaft 9 rests in said cradle, as is apparent from Figure 8.
  • the attachment member 1 affects substantially the shape of a stirrup whose lateral branches are traverses, in particular, by the tree 3.
  • the median portion 1a of the member 1 has an opening 14 can be traversed by the part 10 during the rotation of said organ around the axis of the tree 3.
  • the upper part of the member 10 forms a stop 15 capable, when it encounters a pivoting finger 16, to release a locking plate 17 that can slide on the middle part of the member 1 to come insert under extension 12.
  • the plate 17 has an opening 18 that can coincide substantially with that 14 when the said plate 17 is in the "armed" position, that is to say, in the position shown in FIG. Figure 2, in particular.
  • the plate 17 is constantly subjected to the action of a force which tends to move it towards the cradle 13, to close the opening 14.
  • this force is materialized by two springs schematized in 19 (see Figure 3).
  • Means are provided for holding the plate 17 in position army.
  • the plate 17 is kept in the armed position by through the locking finger 16.
  • the finger 16 is articulated at one of its ends above the middle part 1a so that under the action of its weight it tends to rotate towards it and hold in this position.
  • this action can be reinforced by that of a spring (not shown)
  • the finger 16 has a shoulder portion 20 against which the corresponding field of the plate 17 is supported and, beyond this, a portion 21 which extends above the opening 14.
  • the hanging is done as follows:
  • extension 12 and the stop 15 make an integral part of Exhibit 10, but these two functions could be assured by two separate bodies.
  • the guiding device of the plate 17 does not pose a problem, it is schematized on the drawings by the guides 22.
  • the locking plate 17 is beveled to the right of its part 23 which must be inserted under the extension 12.
  • this part forms with the lower face plate 17 an angle of the order of 7 °.
  • the face 12a (fig.8) of the extension 12 which must be in contact with the part 23 form an identical angle with the support face of the adapter materialized by fields 11. In this way the fastening member is strongly plated against the adapter under the effect of force, developed by the springs, which tends to penetrate the locking plate under the extension 12.
  • FIG. 9 shows another embodiment that makes it possible to remove the lock finger.
  • the extension 12 has at its end a ramp 25.
  • the upper part of the ramp 25 meets the edge 26 of the opening 18 of the locking plate and moves it to the against the force to which it is subjected, that is to say in the direction of the arrow F 2 .
  • the end of the extension 12 is located above the opening 18 and the plate, under the action of the force to which it is subjected, is inserted under said extension.
  • the locking finger can be replaced by a jack hydraulic (not shown).
  • the free end of the plate 17, opposite the shaft 3 has two ears 27 each having a slot 28, opening to said shaft 3.
  • This arrangement allows the use of a tool 29 (fig.12), having a handle 30 and at one of its ends two fingers 31 and 32, the one 31 having two journals 33, diametrically opposed.
  • the finger lower 32 When introducing the pins into the slots 28, the finger lower 32, which is appropriately sized, comes to bear against the field of the median part 1a of the organ 1.
  • the invention also provides means for opposing the creation of between games 1 and 2 and to make up for them if they occur.
  • the adapter has two edges 34, extending perpendicular to the shaft 9, whose fields 35 are machined from way to form a Ve.
  • the middle part of the shackle comprises a plate 36 whose fields 37 are bevelled so as to form a male Vee. Therefore, we understand that when both parties 1 and 2 are assembled, that 1 is immobilized transversely by compared to that 2 and vice versa.
  • the machining necessary to realize the fields 35 and 37 can be done directly on the 11 fields of the adapter and those of the median part 1a of the body 1.
  • the middle portion 1a presents, on the face against which bears the locking plate 17, a small stop 38 against which is applied the end 17a of said plate under the effect of the springs 19 when the openings 14 and 18 are substantially in coincidence.
  • the springs have also for the function of pressing plate 17 against part 1a and that only the pair of guides 22 shown in Figures 16 and 17 is useful. An important game exists between the guides and the upper part of the plate 17.
  • the upper part of the piece 10 opposite the extension 12 has a shoulder 39.
  • the stop 38 has, behind its bearing face 38a, a ramp 38b.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Buckles (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Clamps And Clips (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Replacement Of Web Rolls (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Gripping On Spindles (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)

Claims (12)

  1. Schnellbefestigung zur Befestigung eines Werkszeugs am Ende des Arms einer Beladevorrichtung oder dergleichen mit zwei Teilen, von denen einer (1) am Arm befestigt ist, während der andere (2) fest mit dem werkzeug verbunden ist oder aus zum Werkzeug gehörenden Organen gebildet wird und dessen erster Teil einen Haken (13) aufweist, der geeignet ist, eine vom Werkzeug getragene Welle (9) aufzugabeln, um ihr Anheben zu ermöglichen, dadurch gekennzeichnet, dass der erste Teil oder das Mitnahmeorgan, das deutlich die Form eines Bügels aufweist, auf seinem mittleren Teil (1a) eine Öffnung (14) aufweist, die durch ein eine hakenförmige und sich gegenüber der üblichen, vom Werkzeug getragenen Welle (9) erstreckende Erweiterung (12) aufweisendes Stück (10) durchquert werden kann, unter das eine von dem genannten Organ (1) getragene Verriegelungsplatte (17) eingefügt werden kann.
  2. Befestigung gemäß Anspruch 1, dadurch gekennzeichnet, dass die Platte (17) ständig einer Kraft ausgesetzt ist, die auf ihre Verschiebung zur Artikulationswelle (3) des Organs (1) hinwirkt, wobei Mittel, wie zum Beispiel die Mittel (22), vorgesehen sind, um die genannte Platte gegen den mittleren Teil des genannten Organs (1) zu halten und ihre Führung zu gewährleisten.
  3. Befestigung gemäß Anspruch 2, dadurch gekennzeichnet, dass die Platte (17) eine Öffnung (18) aufweist, die geeignet ist, deutlich mit der (14) des Teils (1) zusammenzufallen, wenn letzterer auf dem Werkzeug verriegelt ist.
  4. Befestigung gemäß Anspruch 3, dadurch gekennzeichnet, dass Mittel vorgesehen sind, um die Platte (17) in gespannter Position zu halten.
  5. Befestigung gemäß Anspruch 4, dadurch gekennzeichnet, dass die Verriegelungsplatte (17) mithilfe eines durch eines seiner Enden oberhalb der Ebene des mittleren Teils (1a) artikulierten, einen Ansatzteil (20) und einen sich in der gespannten Position der Verriegelungsplatte oberhalb der Öffnung (18) erstreckenden Teil (21) aufweisenden Fingers (16) in der gespannten Position gehalten wird , wobei der genannte Teil (21) durch einen vom Werkzeug getragenen Anschlag (15) während des Schwenkens des Mitnahmeorgans angestoßen werden kann.
  6. Befestigung gemäß Anspruch 4, dadurch gekennzeichnet, dass die Platte (17) mithilfe eines auf der oberen Seite des mittleren Teils (1a) vorgesehenen Anschlags (38) in gespannter Position gehalten wird, gegen den die genannte Platte (17) sich unter der Wirkung der in Anspruch 2 vorgesehenen Kraft aufstützt.
  7. Befestigung gemäß Anspruch 6, dadurch gekennzeichnet, dass die Platte (17) unter der Wirkung wenigstens einer Feder (19), die auch darauf hinwirkt, die genannte Platte zur Artikulationswelle (3) zu verschieben, gegen den mittleren Teil (1a) gedrückt gehalten wird.
  8. Befestigung gemäß Anspruch 7, dadurch gekennzeichnet, dass das Stück (10) einen Ansatz (39) aufweist, gegen den das Teil (17a) der Verriegelungsplatte sich beim Schwenken des Mitnahmeorgans zwecks Befestigung des Werkzeugs unter Bestimmung des aus dem Schwenken der genannte platte resultierenden Anhebens des genannten Teils aufstützt.
  9. Befestigung gemäß Anspruch 4, dadurch gekennzeichnet, dass die Erweiterung (12) an ihrem Ende eine Rampe (25) aufweist, die geeignet ist, ein Feld der Platte (17), wie zum Beispiel das Feld (26) zu treffen, um letztere zu zwingen, sich gegen die Kraft zu verschieben, der sie unterliegt.
  10. Befestigung gemäß Anspruch 1 bis 9, dadurch gekennzeichnet, dass das freie Ende der Platte (17) zwei Ohren (27) aufweist, von denen jedes einen sich zur Welle (3) hin öffnenden Schlitz (28) aufweist, wobei diese Anordnung den Einsatz eines durch eine an jedem ihrer Enden zwei, jeweils übereinander angeordnete Finger (31, 32) aufweisende Griffstange (30) gebildeten Werkzeugs erlaubt, wobei der Finger (31) mit zwei lateralen Zapfen (33) versehen ist, die jeder in den entsprechenden Schlitz (28) eingreifen können, während der Finger (32) dimensioniert ist, um sich gegen das Feld des mittleren Teils (1a) aufzustützen.
  11. Befestigung gemäß Anspruch 1 bis 10, dadurch gekennzeichnet, dass Mittel vorgesehen sind, um dem Erzeugen von Spielräumen zwischen den beiden zusammengebauten Teilen entgegenzuwirken und diese zu beheben, wenn sie entstehen.
  12. Befestigung gemäß Anspruch 1 bis 11, dadurch gekennzeichnet, dass der Kontakt zwischen der Erweiterung (12) und der Platte (17) gemäß den im Verhältnis zur Verschiebungsrichtung der genannten Platte schrägen Flächen erfolgt.
EP99949087A 1998-11-12 1999-10-21 Schnellkupplungsvorrichtung zur befestigung eines werkzeugs am ende des laderauslegers oder dgl Expired - Lifetime EP1129259B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR9814185A FR2785951B1 (fr) 1998-11-12 1998-11-12 Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue
FR9814185 1998-11-12
FR9912671 1999-10-12
FR9912671A FR2785952B1 (fr) 1998-11-12 1999-10-12 Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue
PCT/FR1999/002560 WO2000029680A1 (fr) 1998-11-12 1999-10-21 Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue

Publications (2)

Publication Number Publication Date
EP1129259A1 EP1129259A1 (de) 2001-09-05
EP1129259B1 true EP1129259B1 (de) 2004-05-06

Family

ID=26234643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99949087A Expired - Lifetime EP1129259B1 (de) 1998-11-12 1999-10-21 Schnellkupplungsvorrichtung zur befestigung eines werkzeugs am ende des laderauslegers oder dgl

Country Status (12)

Country Link
US (1) US6629811B1 (de)
EP (1) EP1129259B1 (de)
JP (1) JP4245814B2 (de)
AT (1) ATE266127T1 (de)
AU (1) AU6209299A (de)
DE (1) DE69917062T2 (de)
ES (1) ES2221443T3 (de)
FR (1) FR2785952B1 (de)
NO (1) NO20012330D0 (de)
PL (1) PL195903B1 (de)
RU (1) RU2224846C2 (de)
WO (1) WO2000029680A1 (de)

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FR2785952B1 (fr) 1998-11-12 2001-04-06 Alain Husson Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue
FR2809779B1 (fr) 2000-05-31 2002-07-19 Alain Husson Dispositif de securite pour attache rapide destinee a fixer un outil a l'extremite du bras d'un chargeur ou analogue
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US8684623B2 (en) 2012-05-30 2014-04-01 Caterpillar Inc. Tool coupler having anti-release mechanism
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FR2785952B1 (fr) 1998-11-12 2001-04-06 Alain Husson Attache rapide pour fixer un outil a l'extremite du bras d'un chargeur ou analogue
FR2809779B1 (fr) 2000-05-31 2002-07-19 Alain Husson Dispositif de securite pour attache rapide destinee a fixer un outil a l'extremite du bras d'un chargeur ou analogue

Also Published As

Publication number Publication date
ATE266127T1 (de) 2004-05-15
JP4245814B2 (ja) 2009-04-02
RU2224846C2 (ru) 2004-02-27
US6629811B1 (en) 2003-10-07
AU6209299A (en) 2000-06-05
NO20012330L (no) 2001-05-11
FR2785952A1 (fr) 2000-05-19
DE69917062D1 (de) 2004-06-09
PL195903B1 (pl) 2007-11-30
EP1129259A1 (de) 2001-09-05
DE69917062T2 (de) 2005-04-28
FR2785952B1 (fr) 2001-04-06
NO20012330D0 (no) 2001-05-11
ES2221443T3 (es) 2004-12-16
JP2003521600A (ja) 2003-07-15
PL347629A1 (en) 2002-04-22
WO2000029680A1 (fr) 2000-05-25

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