JPH0429815B2 - - Google Patents

Info

Publication number
JPH0429815B2
JPH0429815B2 JP59143265A JP14326584A JPH0429815B2 JP H0429815 B2 JPH0429815 B2 JP H0429815B2 JP 59143265 A JP59143265 A JP 59143265A JP 14326584 A JP14326584 A JP 14326584A JP H0429815 B2 JPH0429815 B2 JP H0429815B2
Authority
JP
Japan
Prior art keywords
directional
valve
switching valve
group
switching
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
JP59143265A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6124730A (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 JP14326584A priority Critical patent/JPS6124730A/ja
Publication of JPS6124730A publication Critical patent/JPS6124730A/ja
Publication of JPH0429815B2 publication Critical patent/JPH0429815B2/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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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

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)
  • Fluid-Pressure Circuits (AREA)
JP14326584A 1984-07-12 1984-07-12 油圧シヨベル等建設機械の油圧回路 Granted JPS6124730A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14326584A JPS6124730A (ja) 1984-07-12 1984-07-12 油圧シヨベル等建設機械の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14326584A JPS6124730A (ja) 1984-07-12 1984-07-12 油圧シヨベル等建設機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS6124730A JPS6124730A (ja) 1986-02-03
JPH0429815B2 true JPH0429815B2 (US08066781-20111129-C00013.png) 1992-05-20

Family

ID=15334720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14326584A Granted JPS6124730A (ja) 1984-07-12 1984-07-12 油圧シヨベル等建設機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS6124730A (US08066781-20111129-C00013.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3614121B2 (ja) 2001-08-22 2005-01-26 コベルコ建機株式会社 建設機械の油圧装置

Also Published As

Publication number Publication date
JPS6124730A (ja) 1986-02-03

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