JPS58156642A - 掘削機の油圧回路 - Google Patents

掘削機の油圧回路

Info

Publication number
JPS58156642A
JPS58156642A JP57037167A JP3716782A JPS58156642A JP S58156642 A JPS58156642 A JP S58156642A JP 57037167 A JP57037167 A JP 57037167A JP 3716782 A JP3716782 A JP 3716782A JP S58156642 A JPS58156642 A JP S58156642A
Authority
JP
Japan
Prior art keywords
oil
cylinder
boom
pressure
arm
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
JP57037167A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0213099B2 (el
Inventor
Takashi Yagyu
隆 柳生
Takeshi Yamaguchi
武 山口
Sotaro Tanaka
壮太郎 田中
Yasuo Sakaki
榊　康雄
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP57037167A priority Critical patent/JPS58156642A/ja
Publication of JPS58156642A publication Critical patent/JPS58156642A/ja
Publication of JPH0213099B2 publication Critical patent/JPH0213099B2/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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels

Landscapes

  • Engineering & Computer Science (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)
JP57037167A 1982-03-11 1982-03-11 掘削機の油圧回路 Granted JPS58156642A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57037167A JPS58156642A (ja) 1982-03-11 1982-03-11 掘削機の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57037167A JPS58156642A (ja) 1982-03-11 1982-03-11 掘削機の油圧回路

Publications (2)

Publication Number Publication Date
JPS58156642A true JPS58156642A (ja) 1983-09-17
JPH0213099B2 JPH0213099B2 (el) 1990-04-03

Family

ID=12490036

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57037167A Granted JPS58156642A (ja) 1982-03-11 1982-03-11 掘削機の油圧回路

Country Status (1)

Country Link
JP (1) JPS58156642A (el)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08231197A (ja) * 1995-02-23 1996-09-10 Meikikou:Kk テーブルリフト装置のメンテナンス装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5066908A (el) * 1973-10-23 1975-06-05
JPS5612102U (el) * 1979-07-09 1981-02-02

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS537462A (en) * 1976-07-07 1978-01-23 Iseki Agricult Mach Dust removing and washing device of fruit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5066908A (el) * 1973-10-23 1975-06-05
JPS5612102U (el) * 1979-07-09 1981-02-02

Also Published As

Publication number Publication date
JPH0213099B2 (el) 1990-04-03

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