EP1900880A2 - Vorrichtung zur Verbindung eines Werkzeugs mit einem Antriebsmittel einer Arbeitsmaschine - Google Patents

Vorrichtung zur Verbindung eines Werkzeugs mit einem Antriebsmittel einer Arbeitsmaschine Download PDF

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Publication number
EP1900880A2
EP1900880A2 EP07116263A EP07116263A EP1900880A2 EP 1900880 A2 EP1900880 A2 EP 1900880A2 EP 07116263 A EP07116263 A EP 07116263A EP 07116263 A EP07116263 A EP 07116263A EP 1900880 A2 EP1900880 A2 EP 1900880A2
Authority
EP
European Patent Office
Prior art keywords
condition
bolt
matching
mean
blocking
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
Application number
EP07116263A
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English (en)
French (fr)
Other versions
EP1900880B1 (de
EP1900880A3 (de
Inventor
Giorgio Cangini
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.)
Cangini Benne SRL
Original Assignee
Cangini Benne SRL
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Filing date
Publication date
Application filed by Cangini Benne SRL filed Critical Cangini Benne SRL
Publication of EP1900880A2 publication Critical patent/EP1900880A2/de
Publication of EP1900880A3 publication Critical patent/EP1900880A3/de
Application granted granted Critical
Publication of EP1900880B1 publication Critical patent/EP1900880B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02F3/3627—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
    • E02F3/365—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with redundant latching means, e.g. for safety purposes

Definitions

  • the present invention relates to the technical field of the mechanical connections and it refers to a device for connecting a tool to a driving means such as an articulated arm of moving means for moving the ground, for demolition or for housebreaking, for agricultural means or for the green maintenance and the like, in general for mechanically connecting mechanical elements of various natures in a detachable manner.
  • a driving means such as an articulated arm of moving means for moving the ground, for demolition or for housebreaking, for agricultural means or for the green maintenance and the like, in general for mechanically connecting mechanical elements of various natures in a detachable manner.
  • Said known devices are provided with a first member blocked to the tool and with a second member blocked to the operating support.
  • a side of a member is provided with a transversal pivot for hooks of the corresponding side of the other member. Therefore, it is possible to couple and to uncoup le the hooks of a member to the pivot of the other.
  • the two members In the coupled condition, the two members can mutually rotate as a pivot swivelling connection to block such rotation, preventing the uncoupling and realizing the connection between the members, one of them is equipped with a bolt sliding between an inner condition and a protruding condition in which it can engage itself in a respective seat carried out in the another member.
  • a disadvantage of said known devices consists in that they require manual operations made by an operator for every activation of the bolt which causes waste of time and risks for the operator.
  • Some known devices are equipped with blocks and safety catches but they have the drawback of being not reliable and subjected to malfunction due to their own complexity.
  • An object of the present invention is to provide a device for connecting a tool to a driving means able to carry out automatically the mutual block when they are put in the connection position.
  • Another object is to propose a device almost gap free and very resistant against stresses.
  • Another object is to propose a device which allows to uncouple the tool also in case of damages of the organs for the opening.
  • numeral 1 indicates the device, object of present the invention, for connecting a tool T to a driving means A.
  • Said device 1 comprises two members, first 2 and second 3, fit to be fixed with the tool T and to the driving means A, for example by means of welding.
  • Said members are equipped with respective hooking means 4, 5, of known type, for the mutual removable coupling.
  • a side of the first member 2 has a transversal pivot for lateral hooks of the second member 3.
  • the transversal pivot is inserted into the hooks through their openings.
  • the successive rotation between the members around the transversal pivot reducing the angle value formed between them down to zero, allows to approach them up to an approaching condition in which they are almost side-by-side and approached to each other.
  • the second member 3 is furthermore provided with two bolt means 6 fixed to a moving means 9 sliding into the second member 3 between an internal condition and an external condition of the bolt means 6 in which these latter protrude from the second member and, in the approaching condition, can engage respective concave seats 7 carried out in a matching mean 8 of the first member 2 to carry out, by cooperating with the hooking mean 4, 5, the connecting condition C between tool and the driving means.
  • the bolt means 6 are housed, in freely sliding manner, in respective tubular housing 33 fixed to the second member.
  • the invention provides that the bolt means and the organs connected thereto are associated to the first member, and the seats 7 are associated to the second member.
  • the device 1 furthermore comprises elastic means 11 acting on the moving means 9 in direction of the external condition of the bolt means 6 and a blocking means 10 fit to carry out a removable blocking condition of the moving means 9 in the internal condition preventing the elastic means to put the bolt means 6 in the external condition.
  • the device 1 comprises a mobile feeler means 12, associated to the second member 3 in such manner that it can translate axially in a direction oriented, in the conditions next to the approaching condition, towards the matching means 8 and acting on the blocking means 10.
  • the feeler means 12 near to the approaching condition is driven by its own match with the matching means 8 to act on the blocking means 10 for unblock the moving means 9 allowing the elastic means 11 to translate said moving means 9 and the bolt means 6 engaging them in respective seats 7 to carry out the connecting condition C.
  • the matching means 8, in which are carried out the seats 7, is fixed to the first member 2, for example by means of welding or being carried out integral thereby, and therefore it is fit to fixed to the tool.
  • the bolt means 6 and the respective moving means 9, the elastic means 11, the blocking means 10 and the mobile feeler means 12 are associated to the second member 3 and therefore they are connected to the driving means.
  • the feeler means 12, for example of cylindrical shape, translates in a respective guide 13, for example of cylindrical tubular shape, fixed to the second member 3 in almost parallel direction in respect to the sliding direction of the bolt means 6.
  • the match means 8 for example carried out starting from a steel plate, has a matching surface 14, fit to slidingly match with the external end 20 of the feeler means 12.
  • Said matching surface is of almost flat shaped and is inclined in respect to the translation direction of the feeler means 12 in proximity of the connecting condition C.
  • the sliding axis of the feeler means 12 can form with the matching surface 14 a right angle or, preferably an obtuse angle.
  • the device comprises a pivot 22 connected, in freely rotating manner around its own axis, to the second member 3. Said axis of the pivot is perpendicular to the sliding plane of the bolt means.
  • the blocking means 10 is rigidly connected to the pivot 22 forming therewith an almost right angle in order to rotate on a plane parallel to the sliding plane of the bolt means 6.
  • the moving means 9 is provided with a shaped cavity 16 for housing the blocking means 10 which rotates around the pivot 22 between two extreme blocking conditions of the moving means 9 in which the bolt means 6 are respectively in the internal and external conditions.
  • Said pivot 22 has also, rigidly fixed thereto, an arm means 15 fit to match with the internal end 21 of the feeler means 12 during the translation of this latter towards the internal condition to cause the rotation of the blocking means and therefore to unblock the moving means 9.
  • the blocking means 10 is elongated shaped, with the end opposite to the end fixed to the pivot 22 having a hook shaped portion 18 to prevent the moving means 9 sliding toward the inside of the device 1 matching a shaped protrusion 17 of the cavity 16.
  • the end opposite to the end fixed on the pivot 22 of the blocking means 10 is also provided with a first flat portion 19 to prevent the moving means 9 sliding toward the external of the device 1 matching a corresponding second flat portion 23 of the cavity 16.
  • pivot 22 protrudes from the upper face 24 of the second member 3, fit to being turned toward the driving means A, and has a coupling 25, for example with hexagonal head or the like, for a tool 26, for example a hexagonal spanner, for rotating the pivot 22 and driving the blocking means 10.
  • the two bolt means 6 are of elongated shape, approximately prismatic or cylindrical, they are mutually parallel and they are fixed to the moving means 9, having a form of a shaped plate, by means of respective bracket coupling means 29.
  • the two seats 7 of the matching means 8 have the dimensions suitable to house the external ends of the bolt means 6.
  • the upper portions, fit to face the driving means A, of the external ends of the bolt means 6 have respective inclined planes 27 fit to match corresponding flat portions 28 of the seats 7.
  • each inclined plane 27 is parallel with and matches the corresponding flat portion 28.
  • the elastic means 11 comprise one compressed helicoidal spring for each bolt means 6.
  • the helicoidal springs are partially housed in cavity of the bolt means 6 or of the respective coupling means 29.
  • the blocking means 10 undergoes the action of the spring means 30 acting thereon in direction of the external condition.
  • the operation of the device starting fom an internal blocking condition of the bolt means carried out by the matching of the first flat portion 19 of the blocking means 10 with the corresponding second flat portion 23 of the cavity 16 carried out in the moving means 9 and from a condition in which the hooking means are engaged, it provides that the mutual rotation of the members 2, 3 toward the approaching condition provokes the sliding matching of the feeler means 12 with the matching surface 14 causing the translation toward the inside of the feeler means.
  • This latter translation causes, first of all, the contact of the feeler means against the arm means 15 and, subsequently, the rotation of this latter and of the blocking means which unblocks the moving means allowing the elastic means to push the bolt means into the respective seats so realizing the condition of connection C.
  • the uncoupling can be carried out by acting the tool 26 on the coupling 25 to rotate the blocking means toward the inside. Said rotation causes the blocking means, acting on the edge of the cavity 16, translate the moving means 9 toward the inside taking away the bolt means from the respective seats.
  • the uncoupling is completed by rotating the members and separating the hooking means 4, 5.
  • the upper face 24 of the second member has an accessing window 31 to access the hook-shaped portion 18 of the blocking means 10 and on the shaped protrusion 17 of the cavity 16. Said window allows to act directly on the said elements to uncouple the device even if in case the coupling 25 or the pivot 22 is broken.
  • a nameplate 32 with operational indications is removably fixed on the upper face 24 of the second member, occluding the window 31 in the normal operational conditions.
  • the device of the second variant of figures from 11 to 15 differs from the first embodiment in that the edge of the matching means 8 turned toward the tool has a concavity that defines only an unique elongated seat 7 for the external ends of the corresponding bolt means 6.
  • the device of third variant of figures from 16 to 20 comprises a pair of hooks 4 of the hooking means fixed laterally to an end of the second member 3.
  • Each front end and rear end of the first member 2 has a respective transversal pivot 5.
  • One of said transversal pivots 5 is removably engaged to the hooks 4 while the other transversal pivot carries out the matching means 8 of the seat 7 for the bolt means 6 and vice versa.
  • the mutual coupling of the first 2 and second 3 members with opposite orientation is possible.
  • the concavity turned toward the vehicle having the articulated arm driving means as in the common use, or on the contrary, with the convexity of the bucket toward aid vehicle.
  • the two transversal pivots 5 are of cylindrical shape, with axis perpendicular to the orientation of the bolt means 6.
  • the matching surface 14, for the external end 20 of the feeler means 12, is constituted by a flattened surface carried out, for example by means of milling, on the surface of said pivots 5.
  • Each transversal pivot 5 has one or more respective flattened surfaces in order to carry out the flat portion 28 for the inclined planes 27 to the bolt means 6.
  • a further variant which can be understood without specific drawing, provides that the arm means 15 is connected to a mobile end of a linear actuator connected to the second member 3 and fit to drive the blocking means 10 to allow at least the uncoupling without the manual operations.
  • An advantage of the present invention is provide a device to connect a tool to a driving means able to carry out automatically the mutual block when they are put in the connecting 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)
  • Jigs For Machine Tools (AREA)
  • Manipulator (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Processing Of Terminals (AREA)
EP07116263A 2006-09-12 2007-09-12 Vorrichtung zur Verbindung eines Werkzeugs mit einem Antriebsmittel einer Arbeitsmaschine Active EP1900880B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000631A ITBO20060631A1 (it) 2006-09-12 2006-09-12 Dispositivo per connettere un utensile ad un mezzo di azionamento.

Publications (3)

Publication Number Publication Date
EP1900880A2 true EP1900880A2 (de) 2008-03-19
EP1900880A3 EP1900880A3 (de) 2008-06-18
EP1900880B1 EP1900880B1 (de) 2012-03-14

Family

ID=38728793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07116263A Active EP1900880B1 (de) 2006-09-12 2007-09-12 Vorrichtung zur Verbindung eines Werkzeugs mit einem Antriebsmittel einer Arbeitsmaschine

Country Status (3)

Country Link
EP (1) EP1900880B1 (de)
AT (1) ATE549465T1 (de)
IT (1) ITBO20060631A1 (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2944534A1 (fr) * 2009-04-20 2010-10-22 Morin Module de blocage pour un ensemble d'attache rapide d'un outil sur un engin de travaux publics.
ITTO20100312A1 (it) * 2010-04-16 2011-10-17 Giovanni Andrina Dispositivo d'attacco rapido per collegare un utensile ad un'attrezzatura di movimentazione, quale il braccio di un escavatore
DE102010017179A1 (de) * 2010-06-01 2011-12-01 Josef Martin Gmbh & Co. Kg Kupplungsteil und Anbaugerät mit Kupplungsteil
ITBO20130357A1 (it) * 2013-07-10 2015-01-11 Cangini Benne Srl Attacco rapido, e relativa apparecchiatura di connessione, di un utensile ad un braccio di azionamento
EP2832931A1 (de) * 2013-07-29 2015-02-04 Cangini Benne S.R.L. Schnellkupplung für die Verbindung eines Arbeitswerkzeuges an einer Arbeitsmaschine
WO2015024981A1 (en) * 2013-08-23 2015-02-26 Geith International Limited Safety coupling mechanism
EP2990538A1 (de) * 2014-08-25 2016-03-02 Cangini Benne S.R.L. Schnellkupplung für eine arbeitsmaschine
ITUB20152632A1 (it) * 2015-07-30 2017-01-30 Cangini Benne Srl Dispositivo di aggancio rapido sensorizzato
DE102018115249A1 (de) * 2018-06-25 2020-01-02 Lehnhoff Hartstahl Gmbh Schnellwechsler und Schnellwechselvorrichtung mit einem Schnellwechsler
WO2020218923A1 (en) * 2019-04-23 2020-10-29 Van Den Broek Techniek Tilting device for implements of soil-shifting machine
DE102014019967B3 (de) * 2014-01-28 2021-04-15 Jürgen Wolf Schnellwechselvorrichtung für ein Baugerät mit Ausleger
WO2023200391A1 (en) * 2022-04-13 2023-10-19 Steelwrist Ab Lock indicator arrangement and method for a quick coupler and quick coupler comprising the same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205299A (en) * 1987-06-04 1988-12-07 William John Balemi Connector for mounting an implement on a vehicle
WO1991018716A1 (en) * 1990-06-08 1991-12-12 Esco Corporation Quick fastening device
DE9314409U1 (de) * 1993-09-23 1994-03-10 Lehnhoff Hartstahl GmbH & Co, 76534 Baden-Baden Schnellwechselvorrichtung
JPH06272273A (ja) * 1993-03-17 1994-09-27 Sakato Kosakusho:Kk 建設作業機械用連結具
JPH06272275A (ja) * 1993-03-17 1994-09-27 Sakato Kosakusho:Kk 建設作業機械用連結具
WO2004065699A1 (en) * 2003-01-24 2004-08-05 Claudi Herguido Fo Quick-coupling device for tools on diggers or similar machines
EP1627959A2 (de) * 2004-08-20 2006-02-22 Cangini Benne S.R.L. Sicherheitsvorrichtung für die Verbindung von Werkzeugen
EP1749939A1 (de) * 2005-08-03 2007-02-07 Lehnhoff Hartstahl GmbH & Co. Adapter für ein Arbeitsgerät als Teil einer Schnellwechselvorrichtung und Schnellwechselvorrichtung

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205299A (en) * 1987-06-04 1988-12-07 William John Balemi Connector for mounting an implement on a vehicle
WO1991018716A1 (en) * 1990-06-08 1991-12-12 Esco Corporation Quick fastening device
JPH06272273A (ja) * 1993-03-17 1994-09-27 Sakato Kosakusho:Kk 建設作業機械用連結具
JPH06272275A (ja) * 1993-03-17 1994-09-27 Sakato Kosakusho:Kk 建設作業機械用連結具
DE9314409U1 (de) * 1993-09-23 1994-03-10 Lehnhoff Hartstahl GmbH & Co, 76534 Baden-Baden Schnellwechselvorrichtung
WO2004065699A1 (en) * 2003-01-24 2004-08-05 Claudi Herguido Fo Quick-coupling device for tools on diggers or similar machines
EP1627959A2 (de) * 2004-08-20 2006-02-22 Cangini Benne S.R.L. Sicherheitsvorrichtung für die Verbindung von Werkzeugen
EP1749939A1 (de) * 2005-08-03 2007-02-07 Lehnhoff Hartstahl GmbH & Co. Adapter für ein Arbeitsgerät als Teil einer Schnellwechselvorrichtung und Schnellwechselvorrichtung

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2944534A1 (fr) * 2009-04-20 2010-10-22 Morin Module de blocage pour un ensemble d'attache rapide d'un outil sur un engin de travaux publics.
ITTO20100312A1 (it) * 2010-04-16 2011-10-17 Giovanni Andrina Dispositivo d'attacco rapido per collegare un utensile ad un'attrezzatura di movimentazione, quale il braccio di un escavatore
DE102010017179A1 (de) * 2010-06-01 2011-12-01 Josef Martin Gmbh & Co. Kg Kupplungsteil und Anbaugerät mit Kupplungsteil
ITBO20130357A1 (it) * 2013-07-10 2015-01-11 Cangini Benne Srl Attacco rapido, e relativa apparecchiatura di connessione, di un utensile ad un braccio di azionamento
EP2824243A1 (de) * 2013-07-10 2015-01-14 Cangini Benne S.R.L. Schnellkupplung und zugehörige Verbindung an einer Werkzeug einer Arbeitsmaschine
EP3312350A1 (de) * 2013-07-10 2018-04-25 Cangini Benne S.R.L. Vorrichtung für die kupplung zwichen arm und werkzeug einer arbeitsmaschine
EP2832931A1 (de) * 2013-07-29 2015-02-04 Cangini Benne S.R.L. Schnellkupplung für die Verbindung eines Arbeitswerkzeuges an einer Arbeitsmaschine
US10352020B2 (en) 2013-08-23 2019-07-16 Geith International Limited Safety coupling mechanism
WO2015024981A1 (en) * 2013-08-23 2015-02-26 Geith International Limited Safety coupling mechanism
DE102014019967B3 (de) * 2014-01-28 2021-04-15 Jürgen Wolf Schnellwechselvorrichtung für ein Baugerät mit Ausleger
EP2990538A1 (de) * 2014-08-25 2016-03-02 Cangini Benne S.R.L. Schnellkupplung für eine arbeitsmaschine
ITUB20152632A1 (it) * 2015-07-30 2017-01-30 Cangini Benne Srl Dispositivo di aggancio rapido sensorizzato
EP3141662A1 (de) * 2015-07-30 2017-03-15 Cangini Benne S.R.L. Schnellverriegelungsvorrichtung mit sensor
DE102018115249A1 (de) * 2018-06-25 2020-01-02 Lehnhoff Hartstahl Gmbh Schnellwechsler und Schnellwechselvorrichtung mit einem Schnellwechsler
WO2020218923A1 (en) * 2019-04-23 2020-10-29 Van Den Broek Techniek Tilting device for implements of soil-shifting machine
WO2023200391A1 (en) * 2022-04-13 2023-10-19 Steelwrist Ab Lock indicator arrangement and method for a quick coupler and quick coupler comprising the same

Also Published As

Publication number Publication date
ITBO20060631A1 (it) 2008-03-13
ATE549465T1 (de) 2012-03-15
EP1900880B1 (de) 2012-03-14
EP1900880A3 (de) 2008-06-18

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