JPS6154891B2 - - Google Patents

Info

Publication number
JPS6154891B2
JPS6154891B2 JP57115351A JP11535182A JPS6154891B2 JP S6154891 B2 JPS6154891 B2 JP S6154891B2 JP 57115351 A JP57115351 A JP 57115351A JP 11535182 A JP11535182 A JP 11535182A JP S6154891 B2 JPS6154891 B2 JP S6154891B2
Authority
JP
Japan
Prior art keywords
pump
switching valve
boom
bucket
drive
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
Application number
JP57115351A
Other languages
English (en)
Japanese (ja)
Other versions
JPS598841A (ja
Inventor
Noboru Toda
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.)
Hokuetsu Industries Co Ltd
Original Assignee
Hokuetsu Industries Co 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 Hokuetsu Industries Co Ltd filed Critical Hokuetsu Industries Co Ltd
Priority to JP11535182A priority Critical patent/JPS598841A/ja
Publication of JPS598841A publication Critical patent/JPS598841A/ja
Publication of JPS6154891B2 publication Critical patent/JPS6154891B2/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)
JP11535182A 1982-07-05 1982-07-05 排土板を備えたバツクホ−の３ポンプ油圧システム Granted JPS598841A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11535182A JPS598841A (ja) 1982-07-05 1982-07-05 排土板を備えたバツクホ−の３ポンプ油圧システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11535182A JPS598841A (ja) 1982-07-05 1982-07-05 排土板を備えたバツクホ−の３ポンプ油圧システム

Publications (2)

Publication Number Publication Date
JPS598841A JPS598841A (ja) 1984-01-18
JPS6154891B2 true JPS6154891B2 (sl) 1986-11-25

Family

ID=14660369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11535182A Granted JPS598841A (ja) 1982-07-05 1982-07-05 排土板を備えたバツクホ−の３ポンプ油圧システム

Country Status (1)

Country Link
JP (1) JPS598841A (sl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02220106A (ja) * 1989-02-22 1990-09-03 Okuma Mach Works Ltd 計測機能を有するデジタイズ制御装置
JP2634914B2 (ja) * 1989-08-31 1997-07-30 オ−クマ株式会社 デジタイジング制御装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5410721Y2 (sl) * 1974-03-14 1979-05-17
JPS5752213Y2 (sl) * 1974-12-23 1982-11-13

Also Published As

Publication number Publication date
JPS598841A (ja) 1984-01-18

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