JPS6030735A - 油圧ショベルの油圧回路 - Google Patents

油圧ショベルの油圧回路

Info

Publication number
JPS6030735A
JPS6030735A JP58138789A JP13878983A JPS6030735A JP S6030735 A JPS6030735 A JP S6030735A JP 58138789 A JP58138789 A JP 58138789A JP 13878983 A JP13878983 A JP 13878983A JP S6030735 A JPS6030735 A JP S6030735A
Authority
JP
Japan
Prior art keywords
valve
oil
hydraulic pump
pressure
oil passage
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
JP58138789A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0377333B2 (en, 2012
Inventor
Tetsuo Tabata
田畑　哲生
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 JP58138789A priority Critical patent/JPS6030735A/ja
Publication of JPS6030735A publication Critical patent/JPS6030735A/ja
Publication of JPH0377333B2 publication Critical patent/JPH0377333B2/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)
JP58138789A 1983-07-28 1983-07-28 油圧ショベルの油圧回路 Granted JPS6030735A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58138789A JPS6030735A (ja) 1983-07-28 1983-07-28 油圧ショベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58138789A JPS6030735A (ja) 1983-07-28 1983-07-28 油圧ショベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS6030735A true JPS6030735A (ja) 1985-02-16
JPH0377333B2 JPH0377333B2 (en, 2012) 1991-12-10

Family

ID=15230246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58138789A Granted JPS6030735A (ja) 1983-07-28 1983-07-28 油圧ショベルの油圧回路

Country Status (1)

Country Link
JP (1) JPS6030735A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645220A (zh) * 2019-10-17 2020-01-03 江苏汇智高端工程机械创新中心有限公司 用于作业车辆的液压系统及挖掘机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645220A (zh) * 2019-10-17 2020-01-03 江苏汇智高端工程机械创新中心有限公司 用于作业车辆的液压系统及挖掘机

Also Published As

Publication number Publication date
JPH0377333B2 (en, 2012) 1991-12-10

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