JPS60203743A - 油圧シヨベル等建設機械の油圧回路 - Google Patents

油圧シヨベル等建設機械の油圧回路

Info

Publication number
JPS60203743A
JPS60203743A JP59057405A JP5740584A JPS60203743A JP S60203743 A JPS60203743 A JP S60203743A JP 59057405 A JP59057405 A JP 59057405A JP 5740584 A JP5740584 A JP 5740584A JP S60203743 A JPS60203743 A JP S60203743A
Authority
JP
Japan
Prior art keywords
directional
valve
switching valve
hydraulic
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
JP59057405A
Other languages
English (en)
Japanese (ja)
Other versions
JPH047412B2 (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 JP59057405A priority Critical patent/JPS60203743A/ja
Publication of JPS60203743A publication Critical patent/JPS60203743A/ja
Publication of JPH047412B2 publication Critical patent/JPH047412B2/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)
JP59057405A 1984-03-27 1984-03-27 油圧シヨベル等建設機械の油圧回路 Granted JPS60203743A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59057405A JPS60203743A (ja) 1984-03-27 1984-03-27 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
JP59057405A JPS60203743A (ja) 1984-03-27 1984-03-27 油圧シヨベル等建設機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS60203743A true JPS60203743A (ja) 1985-10-15
JPH047412B2 JPH047412B2 (enrdf_load_stackoverflow) 1992-02-10

Family

ID=13054726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59057405A Granted JPS60203743A (ja) 1984-03-27 1984-03-27 油圧シヨベル等建設機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS60203743A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389403U (enrdf_load_stackoverflow) * 1986-12-02 1988-06-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389403U (enrdf_load_stackoverflow) * 1986-12-02 1988-06-10

Also Published As

Publication number Publication date
JPH047412B2 (enrdf_load_stackoverflow) 1992-02-10

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