KR930025753U - 굴삭기의 전마력제어 유압 구동장치 - Google Patents

굴삭기의 전마력제어 유압 구동장치

Info

Publication number
KR930025753U
KR930025753U KR2019920009347U KR920009347U KR930025753U KR 930025753 U KR930025753 U KR 930025753U KR 2019920009347 U KR2019920009347 U KR 2019920009347U KR 920009347 U KR920009347 U KR 920009347U KR 930025753 U KR930025753 U KR 930025753U
Authority
KR
South Korea
Prior art keywords
excavator
drive system
hydraulic drive
control hydraulic
horsepower control
Prior art date
Application number
KR2019920009347U
Other languages
English (en)
Other versions
KR0129980Y1 (ko
Inventor
박희우
Original Assignee
대우중공업주식회사
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 대우중공업주식회사 filed Critical 대우중공업주식회사
Priority to KR2019920009347U priority Critical patent/KR0129980Y1/ko
Publication of KR930025753U publication Critical patent/KR930025753U/ko
Application granted granted Critical
Publication of KR0129980Y1 publication Critical patent/KR0129980Y1/ko

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
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • 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
    • E02F9/2292—Systems with two or more 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
    • E02F9/22—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)
KR2019920009347U 1992-05-28 1992-05-28 굴삭기의 전마력제어 유압 구동장치 KR0129980Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019920009347U KR0129980Y1 (ko) 1992-05-28 1992-05-28 굴삭기의 전마력제어 유압 구동장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019920009347U KR0129980Y1 (ko) 1992-05-28 1992-05-28 굴삭기의 전마력제어 유압 구동장치

Publications (2)

Publication Number Publication Date
KR930025753U true KR930025753U (ko) 1993-12-20
KR0129980Y1 KR0129980Y1 (ko) 1998-12-15

Family

ID=19333912

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019920009347U KR0129980Y1 (ko) 1992-05-28 1992-05-28 굴삭기의 전마력제어 유압 구동장치

Country Status (1)

Country Link
KR (1) KR0129980Y1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464761B1 (ko) * 1997-11-29 2005-04-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비용 유압장치
KR101489019B1 (ko) * 2010-05-26 2015-02-02 현대중공업 주식회사 소형급 굴삭기 전마력-네거티브 복합유량제어용 레귤레이터
KR101024720B1 (ko) * 2010-09-09 2011-03-24 세원셀론텍(주) 건설장비용 유압펌프의 토출 유량 제어시스템

Also Published As

Publication number Publication date
KR0129980Y1 (ko) 1998-12-15

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