EP3730697A1 - Adaptateur pour un système de changement rapide et système de changement rapide doté d'un tel adaptateur - Google Patents

Adaptateur pour un système de changement rapide et système de changement rapide doté d'un tel adaptateur Download PDF

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Publication number
EP3730697A1
EP3730697A1 EP20156522.3A EP20156522A EP3730697A1 EP 3730697 A1 EP3730697 A1 EP 3730697A1 EP 20156522 A EP20156522 A EP 20156522A EP 3730697 A1 EP3730697 A1 EP 3730697A1
Authority
EP
European Patent Office
Prior art keywords
coupling element
adapter
shaped
quick
bolt
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
EP20156522.3A
Other languages
German (de)
English (en)
Other versions
EP3730697B1 (fr
Inventor
Johannes Sieber
Michael Kollmann
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.)
Oilquick Deutschland KG
Original Assignee
Oilquick Deutschland KG
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
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Application filed by Oilquick Deutschland KG filed Critical Oilquick Deutschland KG
Publication of EP3730697A1 publication Critical patent/EP3730697A1/fr
Application granted granted Critical
Publication of EP3730697B1 publication Critical patent/EP3730697B1/fr
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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
    • E02F3/3654—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with energy coupler, e.g. coupler for hydraulic or electric lines, to provide energy to drive(s) mounted on the tool
    • 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
    • E02F3/3622—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 locking element acting on a pin

Definitions

  • the invention relates to an adapter for a quick-change system according to the preamble of claim 1.
  • the invention also relates to a quick-change system with such an adapter.
  • Such quick-change systems are used for easy and convenient changing of different attachments on construction machines.
  • quick change systems e.g. Swivel buckets, grabs, scissors, compressors, magnets, hydraulic hammers or other attachments in a few seconds and with a high level of safety from a driver's cab, e.g. be coupled or uncoupled to a boom of an excavator.
  • they contain an adapter on the attachment side and a quick coupler arranged on the construction machine, e.g.
  • first coupling element has mouth-shaped first receptacles for holding a first coupling element and on the other side second receptacles with at least one locking element movable between a release position and a locking position for releasably holding a second coupling element.
  • an adapter for such a quick-change system is known. This has to connect the adapter with a quick coupler.
  • a coupling element carrier for holding adapter-side coupling elements for a coupling with quick-change coupling elements is attached to one of the two bolt-shaped coupling elements.
  • connecting webs provided with receiving bores for screws are welded to one of the two bolt-shaped coupling elements.
  • a holder of the coupling element carrier provided with openings for the coupling elements can be screwed onto these connecting webs via holding webs welded to the holder.
  • the attachment of the connecting webs to the bolt-shaped coupling element and the attachment of the holding webs to the holder are carried out by means of welded connections, which is associated with considerable manufacturing outlay.
  • the object of the invention is to create an adapter and a quick-change system with such an adapter, which enable the coupling element carrier to be fastened in a simplified manner.
  • the coupling element carrier is directly connected to the bolt-shaped coupling element via a releasable form-fitting connection secured against rotation and can e.g. be releasably attached to the coupling element via screws or other fastening elements.
  • a connection between the coupling element and the coupling element carrier that is secured against rotation and, if necessary, easily detachable can be created even without connection elements that are laboriously fastened to the coupling element. In the event of any damage to the coupling element carrier, it can thus be easily replaced without complex alignment work.
  • the screws can e.g.
  • a frictional connection between the coupling element carrier and the coupling element can be achieved, while the form-fitting connection ensures the exact alignment and the holder secured against rotation. Even if there are any changes or adjustments to the coupling element carrier, it can simply be dismantled and replaced with a correspondingly modified coupling element carrier.
  • the form-fit connection between the coupling element carrier and the coupling element can be formed by a form-fit contour incorporated into the coupling element and a corresponding mating contour on the coupling element carrier.
  • the form-fit contour on the coupling element can expediently be formed by several groove-shaped depressions with different contact surfaces.
  • the groove-shaped recesses can be incorporated into the outside of the coupling element with differently inclined contact surfaces.
  • the mating contour on the coupling element carrier that matches the form-fit contour on the coupling element can be arranged in an expedient manner on laterally protruding fork-shaped retaining webs of the coupling element carrier.
  • the holding webs can be arranged on a strip-shaped holder provided with receptacles for coupling elements.
  • the holding webs can preferably be formed in one piece with the strip-shaped holder.
  • the mating contour can be formed in a preferred manner by differently inclined mating surfaces on the inside of a fork-shaped recess.
  • the coupling element is expediently fastened to the side cheeks so that it is secured against rotation.
  • the connection between the coupling element and the side walls can e.g. take place via a form-fit connection with a special contour on the coupling element and a matching counter-contour on at least one side wall.
  • the coupling element carrier can be fastened to the bolt-shaped coupling element in a force-locking manner by means of screws.
  • the screws can e.g. engage through cross bores in the bolt-shaped coupling element in threaded bores on the coupling element carrier.
  • the invention also relates to a quick-change system with an adapter described above and a quick-change system that can be coupled to the adapter for easy changing of an attachment on vehicles.
  • FIGs 1 and 2 is a quick change system consisting of an adapter 1 and an associated quick hitch 2 for easy changing of an attachment 3, which is only partially shown, on vehicles, in particular construction machines, in a still separate position ( Figure 1 ) and a coupled position ( Figure 2 ) shown.
  • a quick-change system swivel spoons, grippers, scissors, magnets, compressors, hydraulic hammers or other mechanical or hydraulic attachments can be easily and conveniently coupled or uncoupled from a driver's cab to a boom or other attachment of a construction vehicle.
  • the adapter 1 arranged on the attachment 3 contains two mutually parallel, spaced apart side cheeks 4, between which a first bolt-shaped coupling element 5 and a second bolt-shaped coupling element 6 arranged at a predetermined distance are held for releasable connection to the quick coupler 2.
  • the two mutually parallel bolt-shaped coupling elements 5 and 6 are inserted into corresponding openings 7 and 8 in the two side walls 4 of the adapter 1 and fixed there.
  • the quick coupler 2 which can be mounted on a boom of an excavator, for example, contains fork-shaped or jaw-shaped first receptacles 9 open to the front on one side for receiving and holding the first bolt-shaped coupling element 5 and on the other side downwardly open second receptacles 10 with an in Figure 2 shown movable locking element 11 for receiving and holding the second bolt-shaped Coupling element 6.
  • the receptacles 10, which are open at the bottom, have a curved contact surface 12 for contacting the second bolt-shaped coupling element 6.
  • the quick changer 2 contains a carrier 13 which on one side contains two fork-shaped or jaw-shaped receptacles 9 for the first coupling element 5 and on the other side two receptacles 10 for the second coupling element 6.
  • the locking elements 11, which are designed as locking bolts in the embodiment shown are hydraulically positioned between an in Figure 1 retracted release position shown and one in Figure 2 shown extended locking position arranged displaceably.
  • the downwardly open second receptacles 10 are closed by the bolt-shaped locking elements 11 on the underside, so that the locking element 11 engages under the second bolt-shaped coupling element 6 and the adapter 1 can be held on the quick changer 2.
  • the quick coupler 2 which is usually arranged on a boom of an excavator, is first moved in such a way that the first bolt-shaped coupling element 6 on the adapter 1 is inserted into the jaw-shaped receptacles 10 on one side of the quick coupler 2 . Then the quick changer 2 with the locking elements 11 still retracted is pivoted around the first bolt-shaped coupling element 5 so that the second bolt-shaped coupling element 6 on the adapter 1 comes to rest on the contact surfaces 12 of the downwardly open receptacles 10 on the other side of the quick changer 2.
  • the bolt-shaped locking elements 11, which are arranged displaceably in the carrier 13 of the quick changer 2, can then be according to FIG Figure 2 be extended hydraulically, so that the second bolt-shaped coupling element 7 on the adapter 1 engages under the two bolt-shaped locking elements 11 on the quick changer 2 and the adapter 1 is thus held on the quick changer 2.
  • a coupling element carrier 16 for holding adapter-side coupling elements for a coupling with quick changer-side coupling elements 2 is detachably attached to the second bolt-shaped coupling element 6 of the adapter 1.
  • energy connections provided on the adapter 1 for supplying energy to the attachment 3 can be automatically connected to the corresponding energy supply lines on the quick coupler 2 when the adapter 1 is coupled to the quick coupler 2.
  • the attachment 3 can be supplied with hydraulic fluid, electrical energy or another energy carrier, for example.
  • the coupling element carrier 16 has a strip-shaped holder 18, which is provided with hole-shaped receptacles 17 for coupling elements and is arranged parallel to the coupling element 6, with holding webs 19 and 20 arranged thereon for detachable connection to the bolt-shaped coupling element 6.
  • two fork-shaped outer holding webs 19 and a fork-shaped inner holding web 20 are arranged on the strip-shaped holder 18.
  • the coupling element carrier 16 is non-positively fastened to the coupling element 6 by means of screws 21 via the fork-shaped holding webs 19 and 20 that overlap the coupling element 6.
  • the screws 21 engage through transverse bores 22 in the coupling element in threaded bores 23 of the holding webs 19 and 20.
  • the coupling element 6 has opposite flattened areas 24 on at least one end for engagement with corresponding mating surfaces 25 on the corresponding opening 8 in the side cheek 4.
  • the outside of the bolt-shaped coupling element 6 has an incorporated form-fitting contour 26 for form-fitting engagement with a corresponding mating contour 27 on the fork-shaped retaining webs 19 and 20 of the coupling element carrier 16 protruding from the holder 18.
  • the form-fit contour 26, designed as an outer contour with depressions, on the coupling element 6 is also provided with several in Figure 3 recognizable groove-shaped depressions 28, 29 and 30 are formed which are worked into the outside of the bolt-shaped coupling element 6 at different angles and differently Form inclined contact surfaces 31, 32 and 33 for contact with corresponding counter surfaces 34, 35 and 36 of the coupling element carrier 16.
  • the mating surfaces 34, 35 and 36 are provided on the inside of a fork-shaped recess 37 on the laterally protruding holding webs 19 and 20 of the coupling element carrier 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Shovels (AREA)
  • Earth Drilling (AREA)
EP20156522.3A 2019-03-18 2020-02-11 Adaptateur pour un système de changement rapide et système de changement rapide doté d'un tel adaptateur Active EP3730697B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019106850.9A DE102019106850A1 (de) 2019-03-18 2019-03-18 Adapter für ein Schnellwechselsystem und Schnellwechselsystem mit einem solchen Adapter

Publications (2)

Publication Number Publication Date
EP3730697A1 true EP3730697A1 (fr) 2020-10-28
EP3730697B1 EP3730697B1 (fr) 2022-04-13

Family

ID=69571773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20156522.3A Active EP3730697B1 (fr) 2019-03-18 2020-02-11 Adaptateur pour un système de changement rapide et système de changement rapide doté d'un tel adaptateur

Country Status (10)

Country Link
US (1) US11274414B2 (fr)
EP (1) EP3730697B1 (fr)
JP (1) JP2020153218A (fr)
AU (1) AU2020201344B2 (fr)
CA (1) CA3074087A1 (fr)
DE (1) DE102019106850A1 (fr)
DK (1) DK3730697T3 (fr)
ES (1) ES2912587T3 (fr)
HU (1) HUE059146T2 (fr)
PL (1) PL3730697T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11053660B2 (en) * 2019-06-17 2021-07-06 Caterpillar Inc. Coupling assembly and method of hydraulically coupling to a tool
DE102020115197A1 (de) * 2020-06-08 2021-12-09 OilQuick Deutschland KG Adapter für ein Schnellwechselsystem und Schnellwechselsystem mit einem derartigen Adapter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016107703A1 (fr) * 2014-12-31 2016-07-07 Lehnhoff Hartstahl Gmbh & Co. Kg Système d'attache rapide et adaptateur d'un dispositif d'attache rapide
DE202017103198U1 (de) 2017-05-26 2017-06-22 Oilquick Deutschland Gmbh Adapter für ein Schnellwechselsystem und Schnellwechselsystem mit einem solchen Adapter
DE202018100423U1 (de) * 2018-01-25 2018-02-15 Oilquick Deutschland Gmbh Adapter, Schnellwechsler und Schnellwechselsystem
WO2018074937A1 (fr) * 2016-10-21 2018-04-26 Doherty Engineered Attachments Limited Ensemble de couplage et élément de fixation comprenant un élément de couplage

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US320392A (en) * 1885-06-16 peterson
US4558605A (en) 1983-03-11 1985-12-17 General Signal Corporation Valve actuator coupling
DE3340102C1 (de) 1983-11-05 1985-03-28 Index-Werke Kg Hahn & Tessky, 7300 Esslingen Vorrichtung zur Befestigung einer Werkzeugaufnahmehuelse auf einem Muldenschlitten einer Werkzeugmaschine
SE501152C2 (sv) 1993-04-20 1994-11-28 John Teodor Sonerud Anordning för snabbkoppling av ett redskap till en gräv-/lastmaskin eller liknande
SE501153C2 (sv) 1993-04-20 1994-11-28 John Teodor Sonerud Anordning för att skydda kopplingsorgan som ingår i ett drivsystem
IT1288134B1 (it) 1996-05-30 1998-09-10 Sasib Railway Electrification Struttura composita e procedimento per il suo assiemaggio.
US6227792B1 (en) * 1997-06-30 2001-05-08 Caterpillar S.A.R.L. Vertical engagement hydraulic tool coupler
JP2000046036A (ja) * 1998-07-28 2000-02-15 Komatsu Ltd 連結装置
JP3801809B2 (ja) * 1999-04-27 2006-07-26 株式会社ジェイテクト 軸とヨークの結合構造
JP2004150583A (ja) * 2002-10-31 2004-05-27 Koyo Seiko Co Ltd ヨーク及び軸の結合構造
DE102004014824B4 (de) * 2004-03-24 2019-08-01 Lehnhoff Hartstahl Gmbh Schnellwechselvorrichtung mit einer hydraulischen Kupplung für die Medien an einem Baugerät
AT506554B1 (de) * 2008-03-20 2011-11-15 Alois Ing Wimmer Kupplungsvorrichtung mit einer einrichtung zum automatischen verbinden von energieleitungen
SE534020C2 (sv) * 2009-08-11 2011-04-05 Oilquick Ab Redskapsfäste med hydraulkontrollerad låsfunktion
CH703286A2 (de) 2010-06-01 2011-12-15 Josef Martin Gmbh & Co Kg Kupplungsteil und Anbaugerät mit Kupplungsteil
DE102010017179A1 (de) * 2010-06-01 2011-12-01 Josef Martin Gmbh & Co. Kg Kupplungsteil und Anbaugerät mit Kupplungsteil
JP5793109B2 (ja) * 2012-05-15 2015-10-14 アイダエンジニアリング株式会社 ワーク搬送装置
DE202013001658U1 (de) 2013-02-20 2013-03-11 Oilquick Deutschland Gmbh Schnellwechseladapter mit einer Schmutzschutzvorrichtung
SE540712C2 (en) 2014-12-22 2018-10-16 Husqvarna Ab Implement coupling device and a machine provided with such adevice
DE202016005365U1 (de) 2016-09-05 2016-10-19 Robert Riedlberger Verriegelungsbolzen mit Medienkupplung
DE202017107699U1 (de) 2017-12-19 2018-01-10 Oilquick Deutschland Gmbh Adapter, Schnellwechsler und Schnellwechselsystem
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016107703A1 (fr) * 2014-12-31 2016-07-07 Lehnhoff Hartstahl Gmbh & Co. Kg Système d'attache rapide et adaptateur d'un dispositif d'attache rapide
WO2018074937A1 (fr) * 2016-10-21 2018-04-26 Doherty Engineered Attachments Limited Ensemble de couplage et élément de fixation comprenant un élément de couplage
DE202017103198U1 (de) 2017-05-26 2017-06-22 Oilquick Deutschland Gmbh Adapter für ein Schnellwechselsystem und Schnellwechselsystem mit einem solchen Adapter
DE202018100423U1 (de) * 2018-01-25 2018-02-15 Oilquick Deutschland Gmbh Adapter, Schnellwechsler und Schnellwechselsystem

Also Published As

Publication number Publication date
CA3074087A1 (fr) 2020-09-18
JP2020153218A (ja) 2020-09-24
ES2912587T3 (es) 2022-05-26
DE102019106850A1 (de) 2020-09-24
DK3730697T3 (da) 2022-06-07
US20200299921A1 (en) 2020-09-24
AU2020201344A1 (en) 2020-10-08
US11274414B2 (en) 2022-03-15
EP3730697B1 (fr) 2022-04-13
PL3730697T3 (pl) 2022-08-01
AU2020201344B2 (en) 2022-06-23
HUE059146T2 (hu) 2022-10-28

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