DE602005004683D1 - Hydraulische Steuervorrichtung für Baumaschine - Google Patents

Hydraulische Steuervorrichtung für Baumaschine

Info

Publication number
DE602005004683D1
DE602005004683D1 DE602005004683T DE602005004683T DE602005004683D1 DE 602005004683 D1 DE602005004683 D1 DE 602005004683D1 DE 602005004683 T DE602005004683 T DE 602005004683T DE 602005004683 T DE602005004683 T DE 602005004683T DE 602005004683 D1 DE602005004683 D1 DE 602005004683D1
Authority
DE
Germany
Prior art keywords
regulator
pump
fail
control valve
valve
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.)
Active
Application number
DE602005004683T
Other languages
English (en)
Other versions
DE602005004683T2 (de
Inventor
Yutaka Toji
Yoichiro Yamazaki
Hidekazu Oka
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.)
Kobelco Construction Machinery Co Ltd
Original Assignee
Kobelco 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 Kobelco Construction Machinery Co Ltd filed Critical Kobelco Construction Machinery Co Ltd
Publication of DE602005004683D1 publication Critical patent/DE602005004683D1/de
Application granted granted Critical
Publication of DE602005004683T2 publication Critical patent/DE602005004683T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
DE602005004683T 2004-03-18 2005-03-15 Hydraulische Steuervorrichtung für Baumaschine Active DE602005004683T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004078856 2004-03-18
JP2004078856A JP4453411B2 (ja) 2004-03-18 2004-03-18 作業機械の油圧制御装置

Publications (2)

Publication Number Publication Date
DE602005004683D1 true DE602005004683D1 (de) 2008-03-27
DE602005004683T2 DE602005004683T2 (de) 2008-06-12

Family

ID=34836580

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005004683T Active DE602005004683T2 (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)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1676963A3 (de) * 2004-12-30 2008-12-31 Doosan Infracore Co., Ltd. Steuerung für Hydraulikpumpen von Baggern
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
JP5739066B2 (ja) * 2011-06-27 2015-06-24 ボルボ コンストラクション イクイップメント アーベー 建設機械用の油圧制御弁
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
DE102014208019A1 (de) 2014-04-29 2015-10-29 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
JP6726127B2 (ja) * 2017-03-30 2020-07-22 川崎重工業株式会社 油圧システム
JP2018168977A (ja) * 2017-03-30 2018-11-01 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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN100441786C (zh) 2008-12-10
DE602005004683T2 (de) 2008-06-12
CN1670317A (zh) 2005-09-21
US20080017022A1 (en) 2008-01-24
EP1577564A2 (de) 2005-09-21
ATE386214T1 (de) 2008-03-15
EP1577564A3 (de) 2005-12-28
US20050204912A1 (en) 2005-09-22
EP1577564B1 (de) 2008-02-13
JP4453411B2 (ja) 2010-04-21
US7284371B2 (en) 2007-10-23
JP2005265062A (ja) 2005-09-29

Similar Documents

Publication Publication Date Title
DE602005004683D1 (de) Hydraulische Steuervorrichtung für Baumaschine
ATE376127T1 (de) Hydraulische steuervorrichtung für eine baumaschine
ATE490410T1 (de) Hydraulisches steuersystem einer arbeitsmaschine
JP2011256814A (ja) 建設機械のポンプ吐出量制御回路
US9085875B2 (en) Hydraulic control valve for construction machinery
ATE546671T1 (de) Hydraulische vorrichtung und bearbeitungsmaschine
KR20130133773A (ko) 건설기계용 유량 제어밸브
KR20150036158A (ko) 건설기계용 유압시스템
WO2008105502A1 (ja) 油圧作業機械の安全装置
JP2016142285A5 (de)
JP2008057319A (ja) 掘削機用オプション装置の油圧回路
WO2011074781A3 (ko) 건설기계의 유압시스템
ATE378533T1 (de) Hydraulisch betriebenes fahrzeug
KR100656070B1 (ko) 휠로더의 유압펌프 제어장치
KR101555539B1 (ko) 건설기계의 엔진 제어방법
JP2010048359A (ja) 建設機械のポンプ制御回路
JP6550297B2 (ja) 油圧駆動システム
JP5015880B2 (ja) 建設機械のポンプ制御回路
CN110431317B (zh) 油压系统
JP5334509B2 (ja) 建設機械用油圧回路
JP2005299931A (ja) 建設機械の油圧制御装置
JP2006029392A (ja) 油圧駆動装置
KR101652111B1 (ko) 건설기계의 유압시스템
KR20210041640A (ko) 다목적용 유압시스템의 펌프 유량 제어를 위한 유압회로
WO2013042192A1 (ja) 建設機械のポンプ吐出量制御回路

Legal Events

Date Code Title Description
8364 No opposition during term of opposition