EP1600419A4 - DEVICE FOR HYDRAULIC CONTROL OF A HYDRAULIC WORKING MACHINE - Google Patents

DEVICE FOR HYDRAULIC CONTROL OF A HYDRAULIC WORKING MACHINE

Info

Publication number
EP1600419A4
EP1600419A4 EP04715501A EP04715501A EP1600419A4 EP 1600419 A4 EP1600419 A4 EP 1600419A4 EP 04715501 A EP04715501 A EP 04715501A EP 04715501 A EP04715501 A EP 04715501A EP 1600419 A4 EP1600419 A4 EP 1600419A4
Authority
EP
European Patent Office
Prior art keywords
hydraulic
control device
working machine
hydraulic control
hydraulic working
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.)
Withdrawn
Application number
EP04715501A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1600419A1 (en
Inventor
Kensuke Sato
Tsukasa Toyooka
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP1600419A1 publication Critical patent/EP1600419A1/en
Publication of EP1600419A4 publication Critical patent/EP1600419A4/en
Withdrawn legal-status Critical Current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
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
    • B66F9/0655—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted with a telescopic boom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP04715501A 2003-02-27 2004-02-27 DEVICE FOR HYDRAULIC CONTROL OF A HYDRAULIC WORKING MACHINE Withdrawn EP1600419A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003051569 2003-02-27
JP2003051569 2003-02-27
PCT/JP2004/002380 WO2004076334A1 (ja) 2003-02-27 2004-02-27 油圧作業機の油圧制御装置

Publications (2)

Publication Number Publication Date
EP1600419A1 EP1600419A1 (en) 2005-11-30
EP1600419A4 true EP1600419A4 (en) 2006-12-27

Family

ID=32923369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04715501A Withdrawn EP1600419A4 (en) 2003-02-27 2004-02-27 DEVICE FOR HYDRAULIC CONTROL OF A HYDRAULIC WORKING MACHINE

Country Status (5)

Country Link
EP (1) EP1600419A4 (ja)
JP (1) JPWO2004076334A1 (ja)
KR (1) KR20050101351A (ja)
CN (1) CN1753831A (ja)
WO (1) WO2004076334A1 (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100866633B1 (ko) * 2007-05-30 2008-11-03 강남국 유압장치 및 이를 이용한 동조 선회 시스템
JP5300448B2 (ja) * 2008-12-12 2013-09-25 カヤバ工業株式会社 走行機構を備えた作業機用制御回路
KR101088752B1 (ko) * 2009-05-22 2011-12-01 볼보 컨스트럭션 이큅먼트 에이비 복합 조작성을 개선시킨 유압시스템
CN102030293B (zh) * 2010-12-10 2012-09-19 徐州重型机械有限公司 举高作业车及其平台调平液压***
CN102616707B (zh) * 2011-01-30 2014-10-29 长沙中联消防机械有限公司 工作斗调平控制装置
CN103046590A (zh) * 2013-01-30 2013-04-17 江苏柳工机械有限公司 一种装载机工作液压***的控制方法
CN103629175B (zh) * 2013-11-28 2016-05-04 长沙中联消防机械有限公司 工作斗液压控制***与工程车辆
CN104728200B (zh) * 2013-12-24 2018-05-15 卡特彼勒（青州）有限公司 液压***和包括该液压***的装载机
JP6317656B2 (ja) * 2014-10-02 2018-04-25 日立建機株式会社 作業機械の油圧駆動システム
JP6291394B2 (ja) * 2014-10-02 2018-03-14 日立建機株式会社 作業機械の油圧駆動システム
JP6618366B2 (ja) * 2016-01-14 2019-12-11 日立建機株式会社 ホイールローダの荷役装置
US10106952B2 (en) * 2016-05-31 2018-10-23 Komatsu Ltd. Work machine control system, work machine, and work machine control method
EP3507422B1 (en) * 2016-08-30 2021-05-26 Clark Equipment Company Power lift
CN107061388B (zh) * 2017-04-07 2018-05-01 临工集团济南重机有限公司 一种防止下坡抖动及转向吸空的升降工作平台液驱机构
KR101980909B1 (ko) * 2018-02-13 2019-05-21 강남국 고소작업차의 붐 인입 보조장치
CN109610537A (zh) * 2018-11-20 2019-04-12 江苏徐工工程机械研究院有限公司 一种工程车辆铲斗调平机构
DE102019129300A1 (de) * 2019-10-30 2021-05-06 Kramer-Werke Gmbh Kraftmaschine mit einem Rahmen und einem verschwenkbaren Ausleger
JP7165155B2 (ja) * 2020-03-11 2022-11-02 株式会社日立建機ティエラ 作業機械
CN112064698A (zh) * 2020-08-21 2020-12-11 中联重科股份有限公司 基于角度的铲斗自动调平控制方法和***

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545185C1 (en) * 1985-12-20 1987-07-23 Krupp Gmbh Luffing-crane jib
DE4331777A1 (de) * 1993-09-18 1995-03-30 Schaeff Karl Gmbh & Co Weitwinkel-Schwenkantrieb für den Grundausleger einer Lademaschine
FR2731729A1 (fr) * 1995-03-16 1996-09-20 Soc Et Et D Innovation Dans Le Systeme de commande hydraulique pour chargeur
EP1195470A1 (en) * 2000-10-03 2002-04-10 NEW HOLLAND ITALIA S.p.A. Earth-moving machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822237A (en) * 1985-11-21 1989-04-18 The Gradall Company Extended reach materials handling apparatus
JPH0365765U (ja) * 1989-10-27 1991-06-26
JP2566631Y2 (ja) * 1992-06-10 1998-03-30 株式会社タダノ 高所作業車のレベリング装置
JP2003034494A (ja) * 2001-07-19 2003-02-07 Aichi Corp 高所作業車のレベリング装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545185C1 (en) * 1985-12-20 1987-07-23 Krupp Gmbh Luffing-crane jib
DE4331777A1 (de) * 1993-09-18 1995-03-30 Schaeff Karl Gmbh & Co Weitwinkel-Schwenkantrieb für den Grundausleger einer Lademaschine
FR2731729A1 (fr) * 1995-03-16 1996-09-20 Soc Et Et D Innovation Dans Le Systeme de commande hydraulique pour chargeur
EP1195470A1 (en) * 2000-10-03 2002-04-10 NEW HOLLAND ITALIA S.p.A. Earth-moving machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2004076334A1 *

Also Published As

Publication number Publication date
JPWO2004076334A1 (ja) 2006-06-01
EP1600419A1 (en) 2005-11-30
KR20050101351A (ko) 2005-10-21
WO2004076334A1 (ja) 2004-09-10
CN1753831A (zh) 2006-03-29

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Effective date: 20061128

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