EP1325196A2 - Dispositif de fixation interchangeable d'une piece rapportee telle qu'une pelle, a une fleche de pelle ou a un vehicule - Google Patents

Dispositif de fixation interchangeable d'une piece rapportee telle qu'une pelle, a une fleche de pelle ou a un vehicule

Info

Publication number
EP1325196A2
EP1325196A2 EP01986733A EP01986733A EP1325196A2 EP 1325196 A2 EP1325196 A2 EP 1325196A2 EP 01986733 A EP01986733 A EP 01986733A EP 01986733 A EP01986733 A EP 01986733A EP 1325196 A2 EP1325196 A2 EP 1325196A2
Authority
EP
European Patent Office
Prior art keywords
hydraulic
gripper
grippers
drive
excavator
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
EP01986733A
Other languages
German (de)
English (en)
Other versions
EP1325196B1 (fr
Inventor
Dietmar Martin
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.)
Josef Martin GmbH and Co KG
Original Assignee
Josef Martin GmbH and Co 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3688731&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1325196(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Josef Martin GmbH and Co KG filed Critical Josef Martin GmbH and Co KG
Priority to SI200130162T priority Critical patent/SI1325196T1/xx
Priority to AT01986733T priority patent/ATE270732T1/de
Publication of EP1325196A2 publication Critical patent/EP1325196A2/fr
Application granted granted Critical
Publication of EP1325196B1 publication Critical patent/EP1325196B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E02F3/3618—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with two separating hooks
    • 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
    • E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated

Definitions

  • an attachment e.g. an excavator bucket, an excavator boom or a vehicle
  • the invention relates to an arrangement for the interchangeable attachment of an attachment, e.g. an excavator shovel, on an excavator boom or a vehicle, with two attaching bolts arranged parallel to each other at a distance from each other, which can be gripped by grippers, which are adjustable on a mounting web on the excavator boom or on the vehicle and can be actuated by a hydraulically or pneumatically acting drive , wherein the grippers have open insertion openings for the retaining bolts in directions facing away from one another, and wherein the longitudinal axis of the hydraulic or pneumatic drive for adjusting the grippers, the central axis of the retaining bolts and the central axis of the insertion openings on the grippers lie at least approximately in one plane.
  • a known device for the interchangeable attachment of a tool-like attachment to the front end of an excavator arm provides that the insertion openings of two grippers are aligned offset from one another by approximately 90 °. After threading the one gripper into the one holding bolt, the entire arrangement is pivoted about this holding bolt until the other gripper with the insertion opening lying transversely thereto grips the other holding bolt. The insertion opening of the second gripper can now be blocked by means of a hydraulically displaceable locking element. All of the forces affect the locking element.
  • a quick-change device for an excavator bucket to be attached to an excavator boom is known (EP-A-0058058), on the one hand there is a gripper which can be pressed onto a correspondingly designed bar.
  • a hook-like part is arranged on the boom, which has an opening facing towards a hydraulic drive with an oblique boundary surface on one side.
  • a clamping shoe arranged on the piston of the hydraulic drive has a rectified oblique boundary surface, so that the interaction of the two oblique boundary surfaces enables locking and tensioning.
  • Movable suspension of the hydraulic drive cylinder is also essential here.
  • the invention has now set itself the task of creating an arrangement of the type mentioned, which enables a quick and easy change of attachments and in which, above all, the introduction of force and thus the power transmission between the boom or vehicle and the attachment can be optimized.
  • this is achieved in that a gripper is fixedly and immovably arranged on the assembly web of the excavator boom or the vehicle and the cylinder of the hydraulic or pneumatic drive is firmly connected to this assembly web and thus to this gripper, and in that the adjustable gripper is connected to the piston of the hydraulic one or pneumatic drive is firmly connected, the guide for this gripper from both sides in pairs trained plates is formed, which are aligned parallel to each other and parallel to the axial direction of the drive.
  • the force transmission between the mounting bracket of the boom or of the vehicle and the add-on part can take place directly via the bolts and the grippers, without the hydraulic or pneumatic drive having to absorb high forces.
  • the hydraulic or pneumatic drive only has to hold the two grippers at a corresponding distance from one another. This clamping force goes directly to the center of the drive and thus to the center of the piston and the cylinder. Since there is only one rectilinearly displaceable gripper and all displaceable and force-absorbing parts with their central axes are at least approximately in a common plane, optimal force introduction and transmission is possible.
  • the possibility of optimal power transmission is additionally supplemented from a design point of view.
  • the gripper which can be moved in the guide, can be loaded accordingly by a torque, whereby no forces can be transmitted to the hydraulic or pneumatic drive through this special guide. This is precisely the reason why the structurally unique possibility was created to firmly connect the parts of the hydraulic or pneumatic drive to the grippers. This means that no transverse forces or bending moments can affect the parts of the drive.
  • a special embodiment provides that the gripper is part of a mounting web forming a construction element, the cylinder of the hydraulic or pneumatic drive being firmly screwed to an inserted cross bar. It is therefore possible to manufacture and assemble in a simple but precise manner, without the need for subsequent adjustments. There are therefore no fitting bolts or bearing eyes to be used for the drive.
  • the fixed gripper is formed by the two plates, which are aligned parallel to one another at a distance and which have corresponding insertion openings for form-fitting attachments are provided on the retaining bolt.
  • These side plates not only bring about a special stability of the crossbar that grips the add-on part, but it also creates a construction element that enables simple attachment to the add-on parts and optimal power transmission between the boom or vehicle and the add-on part.
  • a simple design variant results from the fact that a piston rod connected to the piston of the hydraulic or pneumatic drive is designed as a threaded bolt at its free end and is screwed into a threaded bore on the rear of the gripper. It is also a simple design and assembly of the entire parts of the drive has become possible because a gripper is formed as part of the plates, the cylinder of the drive is firmly connected to this gripper and the second gripper is in turn slidably guided on these plates.
  • FIG. 1 shows an excavator boom with attached excavator shovel, the arrangement for interchangeable attachment being shown partially cut away;
  • FIG. 3 shows a view of the arrangement without attachment according to the line III-III in FIG. 2;
  • FIG. 4 shows a view of the arrangement without attachment according to the line IV-IV in Fig.3.
  • an excavator boom with an attachable excavator bucket is explained using the drawings.
  • the arrangement according to the invention can of course be used wherever any attachments, such as shovels, shields, tools, load-bearing elements, grippers, driven elements and tools, etc., on another part, for example an excavator boom, a vehicle, a machine tool, a municipal vehicle, etc. can be quickly attached or exchanged quickly.
  • a hydraulic drive is mentioned below, although pneumatic and possibly even electrical or mechanical drives can also be used within the scope of the invention.
  • an attachment 1 here an excavator shovel 2
  • These retaining bolts 4, 5 can be gripped by grippers 6, 7, which are arranged on the excavator boom 3 and are hydraulically adjustable relative to one another.
  • the grippers 6, 7 have open insertion openings 8, 9 for the retaining bolts 4, 5 in directions facing away from one another.
  • the longitudinal axis 10 of the hydraulic drive 11 for adjusting the grippers 6, 7, the central axes 12, 13 of the retaining bolts 4, 5 and the central axes 14, 15 of the insertion openings 8, 9 on the grippers 6, 7 at least are approximately in a plane 16.
  • At least one gripper 6 is held axially parallel to the drive 11 in a guide 17 in a straight line.
  • This guide 17 for the one gripper 6 is formed in plates 18, 19 provided in pairs on both sides, these plates being aligned parallel to one another and parallel to the axial direction of the drive 11.
  • a gripper 7 is thus fixedly and immovably arranged on the mounting web 23 of the excavator boom 3 and the cylinder 20 of the hydraulic or pneumatic drive 11 is firmly connected to this mounting web 23 and thus to this gripper 7.
  • the adjustable gripper 6 is firmly connected to the piston 21 of the hydraulic or pneumatic drive 11, wherein the guide 17 for this gripper 6 is formed by plates 18, 19 arranged in pairs on both sides, which are aligned parallel to one another and parallel to the axial direction of the drive 11.
  • the one gripper 7 is part of a mounting web 24 forming a construction element, the cylinder 21 of the hydraulic or pneumatic drive 11 being firmly screwed to an inserted cross web 25.
  • the fixed gripper 7 is formed by the two plates 18, 19 which are aligned parallel to one another at a distance and have corresponding insertion openings 9 for form-fitting attachment to the holding bolt 5. At the ends of the plates 18, 19 opposite the insertion openings 9, circular cutouts (26) are formed for resting on the other holding bolt (4).
  • the hydraulic or pneumatic drive 11 is arranged between the two plates 18, 19 aligned parallel to one another.
  • a piston rod 27 connected to the piston 21 of the hydraulic or pneumatic drive 11 is designed at its free end as a threaded bolt 29 and screwed into a threaded bore 30 on the rear of the gripper 6.

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)
  • Load-Engaging Elements For Cranes (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)
  • Soil Working Implements (AREA)
  • Crushing And Grinding (AREA)

Abstract

La présente invention concerne un dispositif permettant la fixation interchangeable d'une pièce rapportée telle qu'une pelle (2) à une flèche de pelle (3), deux boulons de fixation (4, 5), parallèles entre eux et séparés par un espace (A), étant disposés contre la pelle (2). Ces boulons de fixation (4, 5) peuvent être pris par des éléments de prise (6, 7) disposés contre la flèche de pelle (3), pouvant être réglées l'une par rapport à l'autre par voie hydraulique. Les éléments de prise (6, 7) présentent dans des directions opposées, des ouvertures d'introduction ouvertes (8, 9) destinées aux boulons de fixation (4, 5). L'axe longitudinal (10) de l'entraînement hydraulique (11) servant au déplacement des éléments de prise (6, 7), l'axe médian (12, 13) des boulons de fixation (4, 5) et l'axe médian (14, 15) des ouvertures (8, 9) au niveau des éléments de prise (6, 7), se trouvent au moins approximativement dans un plan< >(16). Un élément de prise (6) est disposé de manière à pouvoir effectuer un déplacement rectiligne axialement parallèle à l'entraînement (11) dans un système de guidage (17). Les pièces de l'entraînement hydraulique ou pneumatique (11), c'est-à-dire le cylindre (20) et le piston (21), sont reliées fixement aux éléments de prise (6, 7).
EP01986733A 2000-10-10 2001-10-08 Dispositif de fixation interchangeable d'une piece rapportee telle qu'une pelle, a une fleche de pelle ou a un vehicule Expired - Lifetime EP1325196B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200130162T SI1325196T1 (en) 2000-10-10 2001-10-08 Assembly for exchangeably fastening an add-on, for example an excavator shovel, to an excavator boom or a vehicle
AT01986733T ATE270732T1 (de) 2000-10-10 2001-10-08 Anordnung zum auswechselbaren befestigen eines anbauteiles, z.b. einer baggerschaufel, an einem baggerausleger oder einem fahrzeug

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT17202000 2000-10-10
AT0172000A AT410333B (de) 2000-10-10 2000-10-10 Anordnung zum auswechselbaren befestigen eines anbauteiles, z.b. einer baggerschaufel, an einem baggerausleger oder einem fahrzeug
PCT/EP2001/011623 WO2002031271A2 (fr) 2000-10-10 2001-10-08 Dispositif de fixation interchangeable d'une piece rapportee telle qu'une pelle, a une fleche de pelle ou a un vehicule

Publications (2)

Publication Number Publication Date
EP1325196A2 true EP1325196A2 (fr) 2003-07-09
EP1325196B1 EP1325196B1 (fr) 2004-07-07

Family

ID=3688731

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01986733A Expired - Lifetime EP1325196B1 (fr) 2000-10-10 2001-10-08 Dispositif de fixation interchangeable d'une piece rapportee telle qu'une pelle, a une fleche de pelle ou a un vehicule

Country Status (14)

Country Link
US (1) US7004712B2 (fr)
EP (1) EP1325196B1 (fr)
AT (2) AT410333B (fr)
AU (1) AU2002218217A1 (fr)
CA (1) CA2425526C (fr)
DE (1) DE50102808D1 (fr)
DK (1) DK1325196T3 (fr)
ES (1) ES2223010T3 (fr)
HR (1) HRP20030270A2 (fr)
HU (1) HU225560B1 (fr)
PT (1) PT1325196E (fr)
SI (1) SI1325196T1 (fr)
TR (1) TR200402598T4 (fr)
WO (1) WO2002031271A2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10335667B3 (de) * 2003-08-04 2004-05-27 Josef Martin Gmbh & Co. Kg Anordnung zum auswechselbaren Befestigen eines Anbauteiles, z. B. einer Baggerschaufel, an einem Baggerausleger oder einem Fahrzeug
DE202004002541U1 (de) * 2004-02-18 2005-07-07 Liebherr-Hydraulikbagger Gmbh Baumaschine mit Schnellkupplung
SI22502A (sl) * 2007-03-13 2008-10-31 JoĹľef BAJEC Hitra spojka za menjavo bagerskih orodij
US7984575B2 (en) 2007-07-05 2011-07-26 Caterpillar Inc. Quick coupler assembly
GB0720413D0 (en) * 2007-10-18 2007-11-28 Monaghan Conor A Coupler
CH699404A1 (de) * 2008-08-25 2010-02-26 Josef Martin Gmbh & Co Kg Energieträgerkupplung, sowie Kupplung mit Energieträgerkupplung.
AT507598B1 (de) 2008-12-05 2012-03-15 Wacker Neuson Linz Gmbh Vorrichtung zum auswechselbaren aufnehmen von werkzeugen
CH700307A1 (de) * 2009-01-23 2010-07-30 Josef Martin Gmbh & Co Kg Schnellkupplung mit Sicherungseinrichtung.
CA2651295A1 (fr) * 2009-01-27 2010-07-27 Nye Manufacturing Ltd. Dispositif d'accouplement permettant de raccorder un godet ou un outil a une fleche
US8974137B2 (en) 2011-12-22 2015-03-10 Caterpillar Inc. Quick coupler
US8684623B2 (en) 2012-05-30 2014-04-01 Caterpillar Inc. Tool coupler having anti-release mechanism
US9217235B2 (en) 2012-05-30 2015-12-22 Caterpillar Inc. Tool coupler system having multiple pressure sources
US8869437B2 (en) 2012-05-30 2014-10-28 Caterpillar Inc. Quick coupler
WO2014060902A1 (fr) 2012-10-15 2014-04-24 Catoma Kg Système d'attache rapide
US9228314B2 (en) 2013-05-08 2016-01-05 Caterpillar Inc. Quick coupler hydraulic control system
SI3699362T1 (sl) 2019-02-21 2023-02-28 Geel Vermietungs- und Beteiligungs GmbH Sklopilni sistem za zamenljivo sklapljanje priključka z delovnim strojem

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NZ199611A (en) * 1981-02-05 1984-09-28 Maroochy Shire Council Quick release and attachment assembly for construction equipment tools
JPS6393934A (ja) * 1986-10-03 1988-04-25 スチユア−ト．アレキサンダ−．エセツクス 建設機械用連結組立体
DE69107719T2 (de) * 1990-07-25 1995-06-29 Japanic Corp Werkzeugkupplungsvorrichtung einer Erdbaumaschine.
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SE467742B (sv) * 1991-09-06 1992-09-07 Sonerud John Teodor Anordning foer snabbkoppling av ett redskap till en graevmaskin med samtidig anslutning till ett drivsystem
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Also Published As

Publication number Publication date
SI1325196T1 (en) 2004-12-31
AU2002218217A1 (en) 2002-04-22
DE50102808D1 (de) 2004-08-12
CA2425526C (fr) 2009-04-14
HUP0302381A2 (hu) 2003-10-28
ES2223010T3 (es) 2005-02-16
HRP20030270B1 (fr) 2007-01-31
HRP20030270A2 (en) 2003-06-30
PT1325196E (pt) 2004-11-30
HU225560B1 (en) 2007-03-28
ATE270732T1 (de) 2004-07-15
EP1325196B1 (fr) 2004-07-07
DK1325196T3 (da) 2004-11-15
TR200402598T4 (tr) 2004-11-22
HUP0302381A3 (en) 2006-03-28
ATA17202000A (de) 2002-08-15
US7004712B2 (en) 2006-02-28
CA2425526A1 (fr) 2002-04-18
AT410333B (de) 2003-03-25
WO2002031271A3 (fr) 2002-09-19
US20040028515A1 (en) 2004-02-12
WO2002031271A2 (fr) 2002-04-18

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