JPS6342052B2 - - Google Patents

Info

Publication number
JPS6342052B2
JPS6342052B2 JP3742982A JP3742982A JPS6342052B2 JP S6342052 B2 JPS6342052 B2 JP S6342052B2 JP 3742982 A JP3742982 A JP 3742982A JP 3742982 A JP3742982 A JP 3742982A JP S6342052 B2 JPS6342052 B2 JP S6342052B2
Authority
JP
Japan
Prior art keywords
valve
hydraulic
load pressure
oil
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.)
Expired
Application number
JP3742982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58153832A (ja
Inventor
Enji Doisaki
Shoichi Hata
Kazunori Yoshino
Atsushi Masuzawa
Katsuaki Toda
Kazunori Furuta
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.)
Caterpillar Japan Ltd
Original Assignee
Shin Caterpillar Mitsubishi 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 Shin Caterpillar Mitsubishi Ltd filed Critical Shin Caterpillar Mitsubishi Ltd
Priority to JP3742982A priority Critical patent/JPS58153832A/ja
Publication of JPS58153832A publication Critical patent/JPS58153832A/ja
Publication of JPS6342052B2 publication Critical patent/JPS6342052B2/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)
JP3742982A 1982-03-10 1982-03-10 油圧シヨベルの油圧回路装置 Granted JPS58153832A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3742982A JPS58153832A (ja) 1982-03-10 1982-03-10 油圧シヨベルの油圧回路装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3742982A JPS58153832A (ja) 1982-03-10 1982-03-10 油圧シヨベルの油圧回路装置

Publications (2)

Publication Number Publication Date
JPS58153832A JPS58153832A (ja) 1983-09-13
JPS6342052B2 true JPS6342052B2 (enrdf_load_stackoverflow) 1988-08-19

Family

ID=12497265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3742982A Granted JPS58153832A (ja) 1982-03-10 1982-03-10 油圧シヨベルの油圧回路装置

Country Status (1)

Country Link
JP (1) JPS58153832A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107882798B (zh) * 2017-11-10 2019-08-20 广西柳工机械股份有限公司 负载模拟阀及装载机变量系统

Also Published As

Publication number Publication date
JPS58153832A (ja) 1983-09-13

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