JPH049892B2 - - Google Patents

Info

Publication number
JPH049892B2
JPH049892B2 JP58137581A JP13758183A JPH049892B2 JP H049892 B2 JPH049892 B2 JP H049892B2 JP 58137581 A JP58137581 A JP 58137581A JP 13758183 A JP13758183 A JP 13758183A JP H049892 B2 JPH049892 B2 JP H049892B2
Authority
JP
Japan
Prior art keywords
valve
valves
pilot
switching
switching 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.)
Expired - Lifetime
Application number
JP58137581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6030732A (ja
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 filed Critical
Priority to JP58137581A priority Critical patent/JPS6030732A/ja
Publication of JPS6030732A publication Critical patent/JPS6030732A/ja
Publication of JPH049892B2 publication Critical patent/JPH049892B2/ja
Granted 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
    • E02F9/2278—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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance

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)
  • Operation Control Of Excavators (AREA)
  • Motor Power Transmission Devices (AREA)
  • Fluid-Pressure Circuits (AREA)
JP58137581A 1983-07-29 1983-07-29 油圧シヨベルの油圧回路 Granted JPS6030732A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58137581A JPS6030732A (ja) 1983-07-29 1983-07-29 油圧シヨベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58137581A JPS6030732A (ja) 1983-07-29 1983-07-29 油圧シヨベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS6030732A JPS6030732A (ja) 1985-02-16
JPH049892B2 true JPH049892B2 (enrdf_load_stackoverflow) 1992-02-21

Family

ID=15202060

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58137581A Granted JPS6030732A (ja) 1983-07-29 1983-07-29 油圧シヨベルの油圧回路

Country Status (1)

Country Link
JP (1) JPS6030732A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62160968A (ja) * 1986-01-09 1987-07-16 Yutani Juko Kk 油圧駆動式作業車両の油圧回路
KR100974283B1 (ko) * 2008-08-08 2010-08-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 굴삭 및 파이프 레잉 작업을 위한 유량 분배 시스템

Also Published As

Publication number Publication date
JPS6030732A (ja) 1985-02-16

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