EP2690223A3 - Rapid action coupling for a works machine - Google Patents

Rapid action coupling for a works machine Download PDF

Info

Publication number
EP2690223A3
EP2690223A3 EP13003552.0A EP13003552A EP2690223A3 EP 2690223 A3 EP2690223 A3 EP 2690223A3 EP 13003552 A EP13003552 A EP 13003552A EP 2690223 A3 EP2690223 A3 EP 2690223A3
Authority
EP
European Patent Office
Prior art keywords
pressure
locking
ankuppelaufnahme
receptacle
locking member
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
EP13003552.0A
Other languages
German (de)
French (fr)
Other versions
EP2690223A2 (en
EP2690223B1 (en
Inventor
Thomas Friedrich
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.)
Kinshofer GmbH
Original Assignee
Kinshofer GmbH
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
Application filed by Kinshofer GmbH filed Critical Kinshofer GmbH
Publication of EP2690223A2 publication Critical patent/EP2690223A2/en
Publication of EP2690223A3 publication Critical patent/EP2690223A3/en
Application granted granted Critical
Publication of EP2690223B1 publication Critical patent/EP2690223B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated
    • 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
    • E02F3/3622—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
    • 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
    • E02F3/365—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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/365—Directional control combined with flow control and pressure control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • 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
    • Y10T403/22—Joints and connections with fluid pressure responsive component

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Shovels (AREA)

Abstract

Die vorliegende Erfindung betrifft einen Schnellkuppler zum Ankuppeln eines Werkzeugs wie beispielsweise Baggerlöffel, Schalengreifer oder Abbruchzangen an einen Werkzeugführer wie Baggerstiel oder dergleichen, mit einer Ankuppelaufnahme zum Aufnehmen eines ersten Verriegelungsteils und einer Verriegelungsaufnahme zum Aufnehmen eines zweiten Verriegelungsteils, wobei die Ankuppelaufnahme ein vorzugsweise selbstverriegelndes Sicherungselement zum Fangen und/oder Sichern des ersten Verriegelungsteils in der Ankuppelaufnahme zugeordnet ist und der Verriegelungsaufnahme ein druckmittelbetätigbares Verriegelungselement zum Verriegeln des zweiten Verriegelungsteils in der Verriegelungsaufnahme zugeordnet ist. Erfindungsgemäß ist das Sicherungselement der Ankuppelaufnahme ebenfalls von dem Druckkreis, der an sich zur Betätigung des Verriegelungselements der Verriegelungsaufnahme vorgesehen ist, betätigbar, wobei das genannte Sicherungselement über ein Druckschaltventil, das bei Erreichen/Überschreiten eines vorbestimmten ersten Drucks öffnet, mit dem Entriegelungs-Druckanschluss des Druckkreises verbunden ist und die Ventileinrichtung des Druckkreises eine Drucksteuereinrichtung zum Steuern der am Entriegelungs-Druckanschluss anliegenden Drucks wahlweise auf einen zweiten Druck größer als der genannte erste Druck und einen dritten Druck kleiner als der genannte erste Druck aufweist.

Figure imgaf001
The present invention relates to a quick coupler for coupling a tool such as buckets, claw grippers or demolition tongs to a tool guide such as excavator handle or the like, with a Ankuppelaufnahme for receiving a first locking member and a locking receptacle for receiving a second locking member, wherein the Ankuppelaufnahme a preferably self-locking securing element for Catching and / or securing the first locking member is assigned in the Ankuppelaufnahme and the locking receptacle is associated with a pressure-medium-actuated locking element for locking the second locking member in the locking receptacle. According to the invention the securing element of the Ankuppelaufnahme is also actuated by the pressure circuit which is provided for actuating the locking element of the locking receptacle, wherein said securing element via a pressure switching valve, which opens upon reaching / exceeding a predetermined first pressure, with the unlocking pressure port of Compression circuit is connected and the valve means of the pressure circuit comprises a pressure control means for controlling the voltage applied to the Entriegelungs-pressure port optionally to a second pressure greater than said first pressure and a third pressure less than said first pressure.
Figure imgaf001
EP13003552.0A 2012-07-24 2013-07-15 Rapid action coupling for a works machine Not-in-force EP2690223B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012007124 2012-07-24
DE202012009838U DE202012009838U1 (en) 2012-07-24 2012-10-15 Quick coupler

Publications (3)

Publication Number Publication Date
EP2690223A2 EP2690223A2 (en) 2014-01-29
EP2690223A3 true EP2690223A3 (en) 2017-06-21
EP2690223B1 EP2690223B1 (en) 2019-01-16

Family

ID=49668266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13003552.0A Not-in-force EP2690223B1 (en) 2012-07-24 2013-07-15 Rapid action coupling for a works machine

Country Status (3)

Country Link
US (1) US9382686B2 (en)
EP (1) EP2690223B1 (en)
DE (1) DE202012009838U1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013005679U1 (en) * 2013-06-24 2014-09-25 Kinshofer Gmbh Quick coupler
DE202014001328U1 (en) 2014-02-13 2015-05-15 Kinshofer Gmbh Quick coupler
JP6176666B2 (en) * 2014-04-08 2017-08-09 キャタピラー エス エー アール エル Control device for quick coupler in work machine
KR102241176B1 (en) * 2014-04-10 2021-04-16 두산인프라코어 주식회사 Method of controlling a quick coupler of an excavator and apparatus for performing the same
SE539425C2 (en) 2014-09-03 2017-09-19 Ytf Sweden Ab Quick coupler for attaching a hydraulically operated tool / implement to an excavator
US9903095B2 (en) * 2015-01-30 2018-02-27 Caterpillar Inc. Tool coupler
DE102015015809A1 (en) * 2015-12-07 2017-06-08 Liebherr-Hydraulikbagger Gmbh Valve unit for quick coupler and quick-change system
DE102015016846A1 (en) 2015-12-23 2017-06-29 Hydac Fluidtechnik Gmbh Valve, in particular 4/2 directional spool valve
WO2018135854A1 (en) * 2017-01-17 2018-07-26 두산인프라코어 주식회사 Apparatus for controlling and method for controlling quick-clamp of construction machine
EP3546655B1 (en) * 2017-02-28 2022-07-13 Komatsu Ltd. Quick coupler circuit and quick coupler attachment/detachment method
JP6930895B2 (en) * 2017-10-30 2021-09-01 ニッタ株式会社 Automatic tool changer coupler and automatic tool changer
DE102018128479A1 (en) * 2018-11-14 2020-05-14 Oilquick Deutschland Gmbh Quick hitch and quick hitch system with such a quick hitch
DE202019101747U1 (en) 2019-03-27 2020-06-30 Kinshofer Gmbh Quick coupler for construction machine tools
DE202020100794U1 (en) * 2020-02-14 2021-05-17 Kinshofer Gmbh Hydraulic attachment and construction machine with such an attachment
EP3879034B1 (en) 2020-03-12 2022-02-16 BAUER Maschinen GmbH Carriage assembly for construction machine and method for same
CA3132207A1 (en) * 2020-10-05 2022-04-05 Kinshofer Gmbh Quick-hitch for construction vehicle tools

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850790A (en) * 1988-06-27 1989-07-25 J. I. Case Company Hydraulically actuated coupler for industrial, agricultural, or earth-moving vehicle
EP0671512A2 (en) * 1994-03-12 1995-09-13 O&K ORENSTEIN & KOPPEL AG Hydraulic locking device for quick couplings in construction machines
GB2330568A (en) * 1997-10-22 1999-04-28 Caterpillar Inc Quick coupling device with over centre spring
US20040244575A1 (en) * 2003-01-31 2004-12-09 Fatemi Ray S. Electrical and hydraulic control system for attachment coupling system
EP2161378A1 (en) * 2008-09-08 2010-03-10 HILL, Ian Coupler with gravity operated safety device
GB2474573A (en) * 2009-10-16 2011-04-20 Hill Engineering Ltd Control apparatus for a hydraulic coupler
JP2011099239A (en) * 2009-11-05 2011-05-19 Takeuchi Seisakusho:Kk Working machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9701887D0 (en) * 1997-05-21 1997-05-21 Accima Ab Device for detachable connection of a working tool and an excavator's control arm
EP1318242B1 (en) * 2001-12-06 2006-10-11 Geith Patents Limited a quick hitch coupler for coupling an accessory to a dipper arm and the quick hitch coupler comprising a control system
US7367256B2 (en) * 2003-01-31 2008-05-06 Jrb Attachments, Llc Pressure switch control for attachment coupling system
EP1852555B1 (en) 2006-05-02 2012-09-12 Kinshofer GmbH A safety locking device for a quick coupler
GB2474572B (en) * 2009-10-16 2014-11-26 Hill Engineering Ltd Control system for a hydraulic coupler

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850790A (en) * 1988-06-27 1989-07-25 J. I. Case Company Hydraulically actuated coupler for industrial, agricultural, or earth-moving vehicle
EP0671512A2 (en) * 1994-03-12 1995-09-13 O&K ORENSTEIN & KOPPEL AG Hydraulic locking device for quick couplings in construction machines
GB2330568A (en) * 1997-10-22 1999-04-28 Caterpillar Inc Quick coupling device with over centre spring
US20040244575A1 (en) * 2003-01-31 2004-12-09 Fatemi Ray S. Electrical and hydraulic control system for attachment coupling system
EP2161378A1 (en) * 2008-09-08 2010-03-10 HILL, Ian Coupler with gravity operated safety device
GB2474573A (en) * 2009-10-16 2011-04-20 Hill Engineering Ltd Control apparatus for a hydraulic coupler
JP2011099239A (en) * 2009-11-05 2011-05-19 Takeuchi Seisakusho:Kk Working machine

Also Published As

Publication number Publication date
EP2690223A2 (en) 2014-01-29
EP2690223B1 (en) 2019-01-16
DE202012009838U1 (en) 2013-10-25
US9382686B2 (en) 2016-07-05
US20140030005A1 (en) 2014-01-30

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