JPS5876619A - 油圧シヨベルの油圧回路 - Google Patents

油圧シヨベルの油圧回路

Info

Publication number
JPS5876619A
JPS5876619A JP17368881A JP17368881A JPS5876619A JP S5876619 A JPS5876619 A JP S5876619A JP 17368881 A JP17368881 A JP 17368881A JP 17368881 A JP17368881 A JP 17368881A JP S5876619 A JPS5876619 A JP S5876619A
Authority
JP
Japan
Prior art keywords
valve
hydraulic
packet
directional
pump
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
JP17368881A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0424491B2 (enrdf_load_stackoverflow
Inventor
Takeshi Furuichi
古市　武
Kenzo Yanagibashi
憲三 柳橋
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 JP17368881A priority Critical patent/JPS5876619A/ja
Publication of JPS5876619A publication Critical patent/JPS5876619A/ja
Publication of JPH0424491B2 publication Critical patent/JPH0424491B2/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)
JP17368881A 1981-10-31 1981-10-31 油圧シヨベルの油圧回路 Granted JPS5876619A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17368881A JPS5876619A (ja) 1981-10-31 1981-10-31 油圧シヨベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17368881A JPS5876619A (ja) 1981-10-31 1981-10-31 油圧シヨベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS5876619A true JPS5876619A (ja) 1983-05-09
JPH0424491B2 JPH0424491B2 (enrdf_load_stackoverflow) 1992-04-27

Family

ID=15965257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17368881A Granted JPS5876619A (ja) 1981-10-31 1981-10-31 油圧シヨベルの油圧回路

Country Status (1)

Country Link
JP (1) JPS5876619A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0492030A (ja) * 1990-08-03 1992-03-25 Kubota Corp バックホウの油圧回路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20154919A1 (it) 2015-10-26 2017-04-26 Angelo Morelli Dispositivo di protezione per freni a disco

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114801U (enrdf_load_stackoverflow) * 1975-03-13 1976-09-17
JPS5370284A (en) * 1976-12-03 1978-06-22 Caterpillar Tractor Co Hydraulic device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114801U (enrdf_load_stackoverflow) * 1975-03-13 1976-09-17
JPS5370284A (en) * 1976-12-03 1978-06-22 Caterpillar Tractor Co Hydraulic device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0492030A (ja) * 1990-08-03 1992-03-25 Kubota Corp バックホウの油圧回路

Also Published As

Publication number Publication date
JPH0424491B2 (enrdf_load_stackoverflow) 1992-04-27

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