EP2584099A4 - Quick coupler circuit for construction equipment - Google Patents

Quick coupler circuit for construction equipment Download PDF

Info

Publication number
EP2584099A4
EP2584099A4 EP11798117.5A EP11798117A EP2584099A4 EP 2584099 A4 EP2584099 A4 EP 2584099A4 EP 11798117 A EP11798117 A EP 11798117A EP 2584099 A4 EP2584099 A4 EP 2584099A4
Authority
EP
European Patent Office
Prior art keywords
construction equipment
quick coupler
coupler circuit
circuit
quick
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
EP11798117.5A
Other languages
German (de)
French (fr)
Other versions
EP2584099A1 (en
EP2584099B1 (en
Inventor
Shintaro Yokohata
Kota Tatsumi
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.)
Caterpillar SARL
Original Assignee
Caterpillar SARL
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 Caterpillar SARL filed Critical Caterpillar SARL
Publication of EP2584099A1 publication Critical patent/EP2584099A1/en
Publication of EP2584099A4 publication Critical patent/EP2584099A4/en
Application granted granted Critical
Publication of EP2584099B1 publication Critical patent/EP2584099B1/en
Active 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
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • 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
    • 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
    • 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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • 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
    • 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
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
EP11798117.5A 2010-06-21 2011-06-21 Construction equipment with a quick coupler circuit Active EP2584099B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010140514A JP5462724B2 (en) 2010-06-21 2010-06-21 Construction machine quick coupler circuit
PCT/JP2011/064117 WO2011162233A1 (en) 2010-06-21 2011-06-21 Quick coupler circuit for construction equipment

Publications (3)

Publication Number Publication Date
EP2584099A1 EP2584099A1 (en) 2013-04-24
EP2584099A4 true EP2584099A4 (en) 2017-11-08
EP2584099B1 EP2584099B1 (en) 2020-09-23

Family

ID=45371416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11798117.5A Active EP2584099B1 (en) 2010-06-21 2011-06-21 Construction equipment with a quick coupler circuit

Country Status (6)

Country Link
US (1) US20130160441A1 (en)
EP (1) EP2584099B1 (en)
JP (1) JP5462724B2 (en)
KR (1) KR101400509B1 (en)
CN (1) CN103119223B (en)
WO (1) WO2011162233A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20130357A1 (en) * 2013-07-10 2015-01-11 Cangini Benne Srl QUICK ATTACHMENT, AND RELATED CONNECTION EQUIPMENT, OF A TOOL AND A DRIVE ARM
WO2015102120A1 (en) * 2013-12-30 2015-07-09 볼보 컨스트럭션 이큅먼트 에이비 Hydraulic control device and construction equipment having same
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
KR101793089B1 (en) * 2016-04-21 2017-11-20 (주)아엠비하이드로릭스 Valve unit for controlling quick coupler
EP3546655B1 (en) * 2017-02-28 2022-07-13 Komatsu Ltd. Quick coupler circuit and quick coupler attachment/detachment method
EP3947827A4 (en) * 2019-03-27 2022-11-23 Volvo Construction Equipment AB Quick coupler circuit of construction machine with automatic pressurization system
JP7402085B2 (en) 2020-03-16 2023-12-20 株式会社小松製作所 Hydraulic system of working machine, control method of working machine and hydraulic system
CN112281960A (en) * 2020-10-13 2021-01-29 广西柳工机械股份有限公司 Automatically controlled quick change system and loader

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040244575A1 (en) * 2003-01-31 2004-12-09 Fatemi Ray S. Electrical and hydraulic control system for attachment coupling system
EP2138639A1 (en) * 2007-04-19 2009-12-30 Caterpillar Japan Ltd. Control unit for operating machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5147173A (en) * 1991-06-03 1992-09-15 Caterpillar Inc. Coupling device
JP3056706B2 (en) * 1997-10-07 2000-06-26 新キャタピラー三菱株式会社 Attachment attachment / detachment device for work machines
JPH11181819A (en) * 1997-12-18 1999-07-06 Komatsu Ltd Hydraulic retaining device for coupler
JP4447066B2 (en) * 1998-03-27 2010-04-07 キャタピラー インコーポレイテッド Hydraulic control device for work implement installation
JP2002266367A (en) 2001-03-06 2002-09-18 Shin Caterpillar Mitsubishi Ltd Structure of connecting pin for working machine
JP3699385B2 (en) * 2001-11-01 2005-09-28 新キャタピラー三菱株式会社 Quick coupler device for work machines
EP1637659A3 (en) * 2001-12-06 2008-08-06 Geith Patents Limited A coupler for coupling an accessory to a dipper arm and a control system for such a coupler
KR100594850B1 (en) * 2001-12-18 2006-07-03 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 quick-fit system of construction equipment
US7367256B2 (en) * 2003-01-31 2008-05-06 Jrb Attachments, Llc Pressure switch control for attachment coupling system
JP4431124B2 (en) * 2006-06-09 2010-03-10 株式会社竹内製作所 Work machine
JP2009143705A (en) * 2007-12-17 2009-07-02 Caterpillar Japan Ltd Hydraulic pressure control circuit for grasping device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040244575A1 (en) * 2003-01-31 2004-12-09 Fatemi Ray S. Electrical and hydraulic control system for attachment coupling system
EP2138639A1 (en) * 2007-04-19 2009-12-30 Caterpillar Japan Ltd. Control unit for operating machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011162233A1 *

Also Published As

Publication number Publication date
EP2584099A1 (en) 2013-04-24
WO2011162233A1 (en) 2011-12-29
KR20130062322A (en) 2013-06-12
EP2584099B1 (en) 2020-09-23
JP5462724B2 (en) 2014-04-02
CN103119223A (en) 2013-05-22
KR101400509B1 (en) 2014-05-28
CN103119223B (en) 2015-07-22
US20130160441A1 (en) 2013-06-27
JP2012002034A (en) 2012-01-05

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