EP1325196A2 - Assembly for exchangeably fastening an add-on, for example an excavator shovel, to an excavator boom or a vehicle - Google Patents
Assembly for exchangeably fastening an add-on, for example an excavator shovel, to an excavator boom or a vehicleInfo
- 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
Links
- 238000003780 insertion Methods 0.000 claims abstract description 17
- 230000037431 insertion Effects 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims description 10
- 230000000284 resting effect Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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)
- Crushing And Grinding (AREA)
- Soil Working Implements (AREA)
- Fluid-Pressure Circuits (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01986733T ATE270732T1 (en) | 2000-10-10 | 2001-10-08 | ARRANGEMENT FOR INTERCHANGEABLY FASTENING AN ATTACHMENT PART, E.G. AN EXCAVATOR BUCKET, TO AN EXCAVATOR BOOM OR A VEHICLE |
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 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0172000A AT410333B (en) | 2000-10-10 | 2000-10-10 | ARRANGEMENT FOR DETACHABLE FASTENING OF AN ATTACHMENT, e.g. AN EXCAVATOR BUCKET, ON AN EXCAVATOR OR ON A VEHICLE |
AT17202000 | 2000-10-10 | ||
PCT/EP2001/011623 WO2002031271A2 (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 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1325196A2 true EP1325196A2 (en) | 2003-07-09 |
EP1325196B1 EP1325196B1 (en) | 2004-07-07 |
Family
ID=3688731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01986733A Expired - Lifetime EP1325196B1 (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 |
Country Status (14)
Country | Link |
---|---|
US (1) | US7004712B2 (en) |
EP (1) | EP1325196B1 (en) |
AT (2) | AT410333B (en) |
AU (1) | AU2002218217A1 (en) |
CA (1) | CA2425526C (en) |
DE (1) | DE50102808D1 (en) |
DK (1) | DK1325196T3 (en) |
ES (1) | ES2223010T3 (en) |
HR (1) | HRP20030270A2 (en) |
HU (1) | HU225560B1 (en) |
PT (1) | PT1325196E (en) |
SI (1) | SI1325196T1 (en) |
TR (1) | TR200402598T4 (en) |
WO (1) | WO2002031271A2 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10335667B3 (en) * | 2003-08-04 | 2004-05-27 | Josef Martin Gmbh & Co. Kg | Releasable shovel mounting for excavator has mounting bolts on shovel engaged by fixed and sprung grippers on holder on end of boom |
DE202004002541U1 (en) * | 2004-02-18 | 2005-07-07 | Liebherr-Hydraulikbagger Gmbh | Construction machine with quick coupling |
SI22502A (en) * | 2007-03-13 | 2008-10-31 | JoĹľef BAJEC | Quick clamp for exchanging excavator tools |
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 (en) * | 2008-08-25 | 2010-02-26 | Josef Martin Gmbh & Co Kg | Energy coupling, and coupling with energy coupling. |
AT507598B1 (en) | 2008-12-05 | 2012-03-15 | Wacker Neuson Linz Gmbh | DEVICE FOR REPLACEABLE TOOLS |
CH700307A1 (en) * | 2009-01-23 | 2010-07-30 | Josef Martin Gmbh & Co Kg | Quick-coupler for e.g. excavator, has blocking element moved from one position to another position where clearance of opening is reduced by element and vice versa, where element is adjusted parallel to shifting direction of grip arms |
CA2651295A1 (en) * | 2009-01-27 | 2010-07-27 | Nye Manufacturing Ltd. | Coupler device to connect bucket or tool to boom arm |
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 |
US8869437B2 (en) | 2012-05-30 | 2014-10-28 | Caterpillar Inc. | Quick coupler |
US9217235B2 (en) | 2012-05-30 | 2015-12-22 | Caterpillar Inc. | Tool coupler system having multiple pressure sources |
WO2014060902A1 (en) | 2012-10-15 | 2014-04-24 | Catoma Kg | Quick-change mechanism |
US9228314B2 (en) | 2013-05-08 | 2016-01-05 | Caterpillar Inc. | Quick coupler hydraulic control system |
SI3699362T1 (en) | 2019-02-21 | 2023-02-28 | Geel Vermietungs- und Beteiligungs GmbH | Coupling system for reversibly coupling an implement to a working machine |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ199611A (en) * | 1981-02-05 | 1984-09-28 | Maroochy Shire Council | Quick release and attachment assembly for construction equipment tools |
JPS6393934A (en) | 1986-10-03 | 1988-04-25 | スチユア−ト.アレキサンダ−.エセツクス | Connection assembly for construction machine |
JP2505381B2 (en) * | 1991-07-04 | 1996-06-05 | 株式会社ジャパニック | Attachment / detachment mechanism for construction machinery |
DE69107719T2 (en) * | 1990-07-25 | 1995-06-29 | Japanic Corp | Tool coupling device of an earth-moving machine. |
SE467742B (en) * | 1991-09-06 | 1992-09-07 | Sonerud John Teodor | DEVICE FOR QUICK CONNECTION OF A TOOL TO AN EXCAVATOR WITH CONNECTING TO A DRIVE SYSTEM |
DE9307473U1 (en) * | 1993-05-21 | 1993-09-16 | Stahl- und Metallbau Winterhalter GmbH, 79111 Freiburg | Device for exchangeably attaching a tool-like attachment to the front end of an excavator arm of an excavator |
NZ250811A (en) * | 1994-02-02 | 1997-06-24 | Bruce Archibald Short | Implement to excavator or tractor interlocking connector |
DE29601727U1 (en) * | 1996-02-02 | 1996-08-01 | Nagler, Jürgen, 58313 Herdecke | Tool changing device for hydraulic excavators |
LU88785A1 (en) * | 1996-07-03 | 1998-01-03 | Wurth Paul Sa | Method of manufacturing steel in an electric furnace with charging of liquid iron |
DE29705609U1 (en) * | 1997-04-02 | 1997-07-24 | Leh, Karl Heinz Josef, 55765 Birkenfeld | Safety device for a quick coupling of a working attachment on tillage equipment |
US6233852B1 (en) * | 1998-01-12 | 2001-05-22 | Pemberton, Inc. | Universal coupler for excavator buckets |
DE19806057C2 (en) * | 1998-02-13 | 2002-11-28 | Franz Wimmer | Construction adapter |
DE29810750U1 (en) * | 1998-06-16 | 1998-10-01 | Atlas Weyhausen GmbH, 27751 Delmenhorst | Quick change device |
NZ519487A (en) * | 1999-05-15 | 2004-06-25 | Ward Attachments Ltd A | Connection apparatus |
US6379075B1 (en) * | 2000-01-18 | 2002-04-30 | Gh Hensley Industries, Inc. | Quick coupler apparatus |
-
2000
- 2000-10-10 AT AT0172000A patent/AT410333B/en not_active IP Right Cessation
-
2001
- 2001-10-08 EP EP01986733A patent/EP1325196B1/en not_active Expired - Lifetime
- 2001-10-08 DE DE50102808T patent/DE50102808D1/en not_active Expired - Lifetime
- 2001-10-08 TR TR2004/02598T patent/TR200402598T4/en unknown
- 2001-10-08 AU AU2002218217A patent/AU2002218217A1/en not_active Abandoned
- 2001-10-08 HU HU0302381A patent/HU225560B1/en not_active IP Right Cessation
- 2001-10-08 ES ES01986733T patent/ES2223010T3/en not_active Expired - Lifetime
- 2001-10-08 PT PT01986733T patent/PT1325196E/en unknown
- 2001-10-08 DK DK01986733T patent/DK1325196T3/en active
- 2001-10-08 US US10/398,981 patent/US7004712B2/en not_active Expired - Lifetime
- 2001-10-08 WO PCT/EP2001/011623 patent/WO2002031271A2/en active IP Right Grant
- 2001-10-08 SI SI200130162T patent/SI1325196T1/en unknown
- 2001-10-08 CA CA002425526A patent/CA2425526C/en not_active Expired - Lifetime
- 2001-10-08 AT AT01986733T patent/ATE270732T1/en active
-
2003
- 2003-04-09 HR HR20030270A patent/HRP20030270A2/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0231271A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP1325196B1 (en) | 2004-07-07 |
DK1325196T3 (en) | 2004-11-15 |
AT410333B (en) | 2003-03-25 |
WO2002031271A2 (en) | 2002-04-18 |
HRP20030270B1 (en) | 2007-01-31 |
DE50102808D1 (en) | 2004-08-12 |
ATA17202000A (en) | 2002-08-15 |
SI1325196T1 (en) | 2004-12-31 |
ATE270732T1 (en) | 2004-07-15 |
US7004712B2 (en) | 2006-02-28 |
TR200402598T4 (en) | 2004-11-22 |
HU225560B1 (en) | 2007-03-28 |
HUP0302381A3 (en) | 2006-03-28 |
HRP20030270A2 (en) | 2003-06-30 |
US20040028515A1 (en) | 2004-02-12 |
CA2425526A1 (en) | 2002-04-18 |
AU2002218217A1 (en) | 2002-04-22 |
WO2002031271A3 (en) | 2002-09-19 |
ES2223010T3 (en) | 2005-02-16 |
CA2425526C (en) | 2009-04-14 |
HUP0302381A2 (en) | 2003-10-28 |
PT1325196E (en) | 2004-11-30 |
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