ATE386214T1 - Hydraulische steuervorrichtung für baumaschine - Google Patents

Hydraulische steuervorrichtung für baumaschine

Info

Publication number
ATE386214T1
ATE386214T1 AT05102016T AT05102016T ATE386214T1 AT E386214 T1 ATE386214 T1 AT E386214T1 AT 05102016 T AT05102016 T AT 05102016T AT 05102016 T AT05102016 T AT 05102016T AT E386214 T1 ATE386214 T1 AT E386214T1
Authority
AT
Austria
Prior art keywords
regulator
pump
fail
control valve
valve
Prior art date
Application number
AT05102016T
Other languages
English (en)
Inventor
Yutaka Toji
Yoichiro Yamazaki
Hidekazu Oka
Original Assignee
Kobelco Constr Machinery 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 Kobelco Constr Machinery Ltd filed Critical Kobelco Constr Machinery Ltd
Application granted granted Critical
Publication of ATE386214T1 publication Critical patent/ATE386214T1/de

Links

Classifications

    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/004—Fluid pressure supply failure
    • 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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
AT05102016T 2004-03-18 2005-03-15 Hydraulische steuervorrichtung für baumaschine ATE386214T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004078856A JP4453411B2 (ja) 2004-03-18 2004-03-18 作業機械の油圧制御装置

Publications (1)

Publication Number Publication Date
ATE386214T1 true ATE386214T1 (de) 2008-03-15

Family

ID=34836580

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05102016T ATE386214T1 (de) 2004-03-18 2005-03-15 Hydraulische steuervorrichtung für baumaschine

Country Status (6)

Country Link
US (2) US7284371B2 (de)
EP (1) EP1577564B1 (de)
JP (1) JP4453411B2 (de)
CN (1) CN100441786C (de)
AT (1) ATE386214T1 (de)
DE (1) DE602005004683T2 (de)

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KR100752115B1 (ko) * 2004-12-30 2007-08-24 두산인프라코어 주식회사 굴삭기의 유압펌프 제어시스템
JP5015880B2 (ja) * 2008-08-25 2012-08-29 住友建機株式会社 建設機械のポンプ制御回路
FR2944048A1 (fr) * 2009-04-02 2010-10-08 Geoservices Equipements Dispositif d'intervention dans un puits d'exploitation de fluide, installation d'exploitation et procede associe
US8661804B2 (en) * 2009-12-11 2014-03-04 Caterpillar Inc. Control system for swashplate pump
DE102010053811A1 (de) * 2010-12-08 2012-06-14 Moog Gmbh Störungssicheres Betätigungssystem
CN102190247B (zh) * 2011-05-11 2013-03-27 三一汽车起重机械有限公司 液压先导控制系统及设有该系统的液压先导起重机
US20140137956A1 (en) * 2011-06-27 2014-05-22 Volvo Construction Equipment Ab Hydraulic control valve for construction machinery
JP5778058B2 (ja) * 2012-03-09 2015-09-16 住友建機株式会社 建設機械の制御装置及びその制御方法
CN102720710B (zh) * 2012-06-26 2015-09-16 中联重科股份有限公司 液压系统、液压系统的控制方法和工程机械
CN102734242B (zh) * 2012-07-13 2015-05-27 三一汽车制造有限公司 一种工程机械、多执行机构的液压控制系统及控制方法
CN102937085A (zh) * 2012-11-16 2013-02-20 无锡汇虹机械制造有限公司 一种正流量挖掘机液压泵排量调节方法
CN103899599B (zh) * 2014-04-24 2016-04-27 徐州重型机械有限公司 一种即时流量匹配的控制方法、系统及起重机
DE102014208019B4 (de) 2014-04-29 2025-01-30 Robert Bosch Gmbh Hydraulische Steueranordnung für mehrere Aktuatoren
JP2016011633A (ja) * 2014-06-30 2016-01-21 川崎重工業株式会社 フェールセーフ付油圧駆動システム
JP6333713B2 (ja) * 2014-12-15 2018-05-30 株式会社Kcm 油圧駆動システム
CN104563856B (zh) * 2015-01-15 2016-08-24 山河智能装备股份有限公司 旋挖钻机快速抛土控制系统
CN105134696A (zh) * 2015-09-21 2015-12-09 成都丝迈尔科技有限公司 一种用于液压设备的通用型无线开关执行器
KR102388136B1 (ko) * 2016-05-18 2022-04-19 현대두산인프라코어(주) 건설 기계의 안전 시스템
US10487855B2 (en) 2016-09-29 2019-11-26 Deere & Company Electro-hydraulic system with negative flow control
US10233951B2 (en) * 2016-10-05 2019-03-19 Caterpillar Inc. Method to detect uncommanded spool valve positioning and stop fluid flow to hydraulic actuators
JP2018168977A (ja) * 2017-03-30 2018-11-01 川崎重工業株式会社 油圧システム
JP6726127B2 (ja) * 2017-03-30 2020-07-22 川崎重工業株式会社 油圧システム
JP6815267B2 (ja) * 2017-04-18 2021-01-20 川崎重工業株式会社 油圧システム
JP6845736B2 (ja) * 2017-04-28 2021-03-24 川崎重工業株式会社 液圧駆動システム
CN107387473B (zh) * 2017-08-16 2023-10-10 冯广建 串列借道式多路液压控制装置
JP7332423B2 (ja) * 2019-10-16 2023-08-23 ナブテスコ株式会社 油圧システム、建設機械、油圧制御方法、及びプログラム

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US4197705A (en) * 1978-05-30 1980-04-15 General Signal Corporation Hydraulic control system
US4408453A (en) * 1981-01-16 1983-10-11 General Signal Corporation Hydraulic control system
JPS58193906A (ja) 1982-05-06 1983-11-11 Hitachi Constr Mach Co Ltd 作業機械の油圧回路
JPH0721282B2 (ja) * 1986-03-22 1995-03-08 油研工業株式会社 可変容量形ポンプ
US4823552A (en) * 1987-04-29 1989-04-25 Vickers, Incorporated Failsafe electrohydraulic control system for variable displacement pump
JP3445817B2 (ja) 1993-11-11 2003-09-08 日立建機株式会社 建設機械の油圧駆動装置
US5758499A (en) * 1995-03-03 1998-06-02 Hitachi Construction Machinery Co., Ltd. Hydraulic control system
JPH0978635A (ja) * 1995-09-18 1997-03-25 Yutani Heavy Ind Ltd 油圧合流回路
JPH1054370A (ja) 1996-08-12 1998-02-24 Hitachi Constr Mach Co Ltd 作業機械の油圧ポンプ故障診断装置
JPH11125205A (ja) * 1997-10-23 1999-05-11 Hitachi Constr Mach Co Ltd 油圧作業機の油圧駆動装置
JPH11303809A (ja) * 1998-04-20 1999-11-02 Komatsu Ltd 油圧駆動機械のポンプ制御装置
JP3625149B2 (ja) * 1999-03-31 2005-03-02 コベルコ建機株式会社 建設機械の油圧制御回路
JP3574782B2 (ja) * 2000-10-13 2004-10-06 新キャタピラー三菱株式会社 作業機の制御装置
JP2003049810A (ja) * 2001-08-07 2003-02-21 Hitachi Constr Mach Co Ltd 圧油のエネルギー回収装置および圧油のエネルギー回収装置を備えた建設機械

Also Published As

Publication number Publication date
DE602005004683T2 (de) 2008-06-12
JP2005265062A (ja) 2005-09-29
EP1577564A3 (de) 2005-12-28
JP4453411B2 (ja) 2010-04-21
CN1670317A (zh) 2005-09-21
DE602005004683D1 (de) 2008-03-27
EP1577564B1 (de) 2008-02-13
EP1577564A2 (de) 2005-09-21
US7284371B2 (en) 2007-10-23
US20050204912A1 (en) 2005-09-22
US20080017022A1 (en) 2008-01-24
CN100441786C (zh) 2008-12-10

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