JPH0464378B2 - - Google Patents

Info

Publication number
JPH0464378B2
JPH0464378B2 JP61150990A JP15099086A JPH0464378B2 JP H0464378 B2 JPH0464378 B2 JP H0464378B2 JP 61150990 A JP61150990 A JP 61150990A JP 15099086 A JP15099086 A JP 15099086A JP H0464378 B2 JPH0464378 B2 JP H0464378B2
Authority
JP
Japan
Prior art keywords
valve
valves
pump
oil
actuators
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
JP61150990A
Other languages
English (en)
Japanese (ja)
Other versions
JPS637425A (ja
Inventor
Wataru Kubomoto
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.)
Kobelco Construction Machinery Co Ltd
Original Assignee
Yutani 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 Yutani Heavy Industries Ltd filed Critical Yutani Heavy Industries Ltd
Priority to JP61150990A priority Critical patent/JPS637425A/ja
Publication of JPS637425A publication Critical patent/JPS637425A/ja
Publication of JPH0464378B2 publication Critical patent/JPH0464378B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP61150990A 1986-06-26 1986-06-26 建設機械の油圧回路 Granted JPS637425A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61150990A JPS637425A (ja) 1986-06-26 1986-06-26 建設機械の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61150990A JPS637425A (ja) 1986-06-26 1986-06-26 建設機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS637425A JPS637425A (ja) 1988-01-13
JPH0464378B2 true JPH0464378B2 (hu) 1992-10-14

Family

ID=15508873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61150990A Granted JPS637425A (ja) 1986-06-26 1986-06-26 建設機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS637425A (hu)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0643258Y2 (ja) * 1988-01-28 1994-11-09 油谷重工株式会社 小形ショベルの油圧回路
JPH0454303U (hu) * 1990-09-13 1992-05-11
JPH0452603U (hu) * 1990-09-13 1992-05-06
JPH0452604U (hu) * 1990-09-13 1992-05-06

Also Published As

Publication number Publication date
JPS637425A (ja) 1988-01-13

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