JP3072818B2 - 油圧回路の自動順次昇圧システム - Google Patents

油圧回路の自動順次昇圧システム

Info

Publication number
JP3072818B2
JP3072818B2 JP05307254A JP30725493A JP3072818B2 JP 3072818 B2 JP3072818 B2 JP 3072818B2 JP 05307254 A JP05307254 A JP 05307254A JP 30725493 A JP30725493 A JP 30725493A JP 3072818 B2 JP3072818 B2 JP 3072818B2
Authority
JP
Japan
Prior art keywords
pressure
absorption torque
hydraulic pump
signal
discharge
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.)
Expired - Lifetime
Application number
JP05307254A
Other languages
English (en)
Japanese (ja)
Other versions
JPH07139511A (ja
Inventor
正和 柳澤
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP05307254A priority Critical patent/JP3072818B2/ja
Priority to KR1019940029188A priority patent/KR0142899B1/ko
Publication of JPH07139511A publication Critical patent/JPH07139511A/ja
Application granted granted Critical
Publication of JP3072818B2 publication Critical patent/JP3072818B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • E02F9/2095—Control of electric, electro-mechanical or mechanical equipment not otherwise provided for, e.g. ventilators, electro-driven fans
    • 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)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP05307254A 1993-11-12 1993-11-12 油圧回路の自動順次昇圧システム Expired - Lifetime JP3072818B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP05307254A JP3072818B2 (ja) 1993-11-12 1993-11-12 油圧回路の自動順次昇圧システム
KR1019940029188A KR0142899B1 (ko) 1993-11-12 1994-11-08 유압회로의 자동순차 승압시스템

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05307254A JP3072818B2 (ja) 1993-11-12 1993-11-12 油圧回路の自動順次昇圧システム

Publications (2)

Publication Number Publication Date
JPH07139511A JPH07139511A (ja) 1995-05-30
JP3072818B2 true JP3072818B2 (ja) 2000-08-07

Family

ID=17966894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP05307254A Expired - Lifetime JP3072818B2 (ja) 1993-11-12 1993-11-12 油圧回路の自動順次昇圧システム

Country Status (2)

Country Link
JP (1) JP3072818B2 (ko)
KR (1) KR0142899B1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000007997A (ko) * 1998-07-09 2000-02-07 김형벽 휠로더용 순간 승압장치
KR100400971B1 (ko) * 2000-12-14 2003-10-10 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 2단 포트 릴리프밸브를 갖는 중장비용 유압회로
JP4223893B2 (ja) 2002-10-23 2009-02-12 株式会社小松製作所 作業車両の作業機用油圧ポンプの制御方法と制御装置
JP4884124B2 (ja) * 2006-08-07 2012-02-29 住友建機株式会社 建設機械の油圧制御回路
KR100971526B1 (ko) * 2007-12-28 2010-07-21 나부테스코 가부시키가이샤 건설 기계의 승압 회로, 건설 기계의 승압 회로의 공급부체
JP5192367B2 (ja) * 2008-12-26 2013-05-08 株式会社小松製作所 作業車両および作業車両の制御方法
KR101369485B1 (ko) * 2013-02-22 2014-03-03 대우조선해양 주식회사 안전밸브의 개폐방법
KR101499902B1 (ko) * 2014-06-10 2015-03-10 대우조선해양 주식회사 재기화장치를 갖는 해양구조물 및 상기 해양구조물에서 lng 저장탱크를 운용하는 방법

Also Published As

Publication number Publication date
KR950014497A (ko) 1995-06-16
KR0142899B1 (ko) 1998-09-15
JPH07139511A (ja) 1995-05-30

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