JPH0429814B2 - - Google Patents

Info

Publication number
JPH0429814B2
JPH0429814B2 JP59095696A JP9569684A JPH0429814B2 JP H0429814 B2 JPH0429814 B2 JP H0429814B2 JP 59095696 A JP59095696 A JP 59095696A JP 9569684 A JP9569684 A JP 9569684A JP H0429814 B2 JPH0429814 B2 JP H0429814B2
Authority
JP
Japan
Prior art keywords
switching valve
valve
directional
valves
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
JP59095696A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60242229A (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 JP59095696A priority Critical patent/JPS60242229A/ja
Publication of JPS60242229A publication Critical patent/JPS60242229A/ja
Publication of JPH0429814B2 publication Critical patent/JPH0429814B2/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)
  • Fluid-Pressure Circuits (AREA)
JP59095696A 1984-05-15 1984-05-15 油圧ショベル等建設機械の油圧回路 Granted JPS60242229A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59095696A JPS60242229A (ja) 1984-05-15 1984-05-15 油圧ショベル等建設機械の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59095696A JPS60242229A (ja) 1984-05-15 1984-05-15 油圧ショベル等建設機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS60242229A JPS60242229A (ja) 1985-12-02
JPH0429814B2 true JPH0429814B2 (en, 2012) 1992-05-20

Family

ID=14144659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59095696A Granted JPS60242229A (ja) 1984-05-15 1984-05-15 油圧ショベル等建設機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS60242229A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611739A (ja) * 1984-06-14 1986-01-07 Kayaba Ind Co Ltd 建設車両等の制御回路

Also Published As

Publication number Publication date
JPS60242229A (ja) 1985-12-02

Similar Documents

Publication Publication Date Title
KR870000506B1 (ko) 토목 건설기계의 유압회로 시스템
JPH0410536B2 (en, 2012)
JPS592930A (ja) 油圧駆動式作業車両の油圧回路
JPH0429814B2 (en, 2012)
JPH0429813B2 (en, 2012)
JPS6229629A (ja) 建設車両の油圧装置
JPH0374292B2 (en, 2012)
JPH0352275Y2 (en, 2012)
JP2766365B2 (ja) 油圧ショベルの油圧回路
JP2745321B2 (ja) 建設機械の油圧回路
JPH0128177B2 (en, 2012)
JPH047412B2 (en, 2012)
JPH0429815B2 (en, 2012)
JPH047414B2 (en, 2012)
JPH0414214B2 (en, 2012)
JPS60123629A (ja) 油圧ショベルの油圧回路
JPH0411689B2 (en, 2012)
JPH0410534B2 (en, 2012)
JPH0258412B2 (en, 2012)
JPH0412335B2 (en, 2012)
JPH0211491Y2 (en, 2012)
JPH0410535B2 (en, 2012)
JPH0324680Y2 (en, 2012)
JPS5961633A (ja) 油圧作業機の油圧回路
JPH049892B2 (en, 2012)