JPS60242229A - 油圧ショベル等建設機械の油圧回路 - Google Patents

油圧ショベル等建設機械の油圧回路

Info

Publication number
JPS60242229A
JPS60242229A JP59095696A JP9569684A JPS60242229A JP S60242229 A JPS60242229 A JP S60242229A JP 59095696 A JP59095696 A JP 59095696A JP 9569684 A JP9569684 A JP 9569684A JP S60242229 A JPS60242229 A JP S60242229A
Authority
JP
Japan
Prior art keywords
valve
switching valve
directional
travel
pressure oil
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.)
Granted
Application number
JP59095696A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0429814B2 (enrdf_load_stackoverflow
Inventor
Masaharu Kawamoto
川本　正治
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries Ltd
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 Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
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)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (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 true JPS60242229A (ja) 1985-12-02
JPH0429814B2 JPH0429814B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (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

Cited By (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
JPH0429814B2 (enrdf_load_stackoverflow) 1992-05-20

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