JPH0410535B2 - - Google Patents

Info

Publication number
JPH0410535B2
JPH0410535B2 JP59264598A JP26459884A JPH0410535B2 JP H0410535 B2 JPH0410535 B2 JP H0410535B2 JP 59264598 A JP59264598 A JP 59264598A JP 26459884 A JP26459884 A JP 26459884A JP H0410535 B2 JPH0410535 B2 JP H0410535B2
Authority
JP
Japan
Prior art keywords
valve
directional
group
valves
passage
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
JP59264598A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61142234A (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 JP59264598A priority Critical patent/JPS61142234A/ja
Publication of JPS61142234A publication Critical patent/JPS61142234A/ja
Publication of JPH0410535B2 publication Critical patent/JPH0410535B2/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)
JP59264598A 1984-12-17 1984-12-17 油圧ショベル等の建設機械の油圧回路 Granted JPS61142234A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59264598A JPS61142234A (ja) 1984-12-17 1984-12-17 油圧ショベル等の建設機械の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59264598A JPS61142234A (ja) 1984-12-17 1984-12-17 油圧ショベル等の建設機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS61142234A JPS61142234A (ja) 1986-06-30
JPH0410535B2 true JPH0410535B2 (enrdf_load_stackoverflow) 1992-02-25

Family

ID=17405531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59264598A Granted JPS61142234A (ja) 1984-12-17 1984-12-17 油圧ショベル等の建設機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS61142234A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2551543B2 (ja) * 1988-06-17 1996-11-06 油谷重工株式会社 油圧ショベルの油圧回路
JP2583127B2 (ja) * 1989-06-30 1997-02-19 株式会社小松製作所 油圧式掘削機の走行・作業機操作装置
US7614225B2 (en) * 2006-04-18 2009-11-10 Volvo Construction Equipment Holding Sweden Ab Straight traveling hydraulic circuit

Also Published As

Publication number Publication date
JPS61142234A (ja) 1986-06-30

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