JPH044419B2 - - Google Patents

Info

Publication number
JPH044419B2
JPH044419B2 JP57143830A JP14383082A JPH044419B2 JP H044419 B2 JPH044419 B2 JP H044419B2 JP 57143830 A JP57143830 A JP 57143830A JP 14383082 A JP14383082 A JP 14383082A JP H044419 B2 JPH044419 B2 JP H044419B2
Authority
JP
Japan
Prior art keywords
switching valve
directional switching
actuator
controls
circuit
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
JP57143830A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5934336A (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 JP57143830A priority Critical patent/JPS5934336A/ja
Publication of JPS5934336A publication Critical patent/JPS5934336A/ja
Publication of JPH044419B2 publication Critical patent/JPH044419B2/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
    • 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

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)
JP57143830A 1982-08-19 1982-08-19 ２ポンプシステムの同時操作回路 Granted JPS5934336A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57143830A JPS5934336A (ja) 1982-08-19 1982-08-19 ２ポンプシステムの同時操作回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57143830A JPS5934336A (ja) 1982-08-19 1982-08-19 ２ポンプシステムの同時操作回路

Publications (2)

Publication Number Publication Date
JPS5934336A JPS5934336A (ja) 1984-02-24
JPH044419B2 true JPH044419B2 (en, 2012) 1992-01-28

Family

ID=15347934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57143830A Granted JPS5934336A (ja) 1982-08-19 1982-08-19 ２ポンプシステムの同時操作回路

Country Status (1)

Country Link
JP (1) JPS5934336A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6234204U (en, 2012) * 1985-08-14 1987-02-28
JP3101830B2 (ja) * 1991-06-12 2000-10-23 株式会社小松製作所 旋回式作業装置の油圧回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914533Y2 (ja) * 1979-11-16 1984-04-27 株式会社クボタ ド−ザ付バツクホウ作業車の流体圧回路

Also Published As

Publication number Publication date
JPS5934336A (ja) 1984-02-24

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