JPS6175136A - 建設機械の油圧装置 - Google Patents

建設機械の油圧装置

Info

Publication number
JPS6175136A
JPS6175136A JP59198102A JP19810284A JPS6175136A JP S6175136 A JPS6175136 A JP S6175136A JP 59198102 A JP59198102 A JP 59198102A JP 19810284 A JP19810284 A JP 19810284A JP S6175136 A JPS6175136 A JP S6175136A
Authority
JP
Japan
Prior art keywords
switching valve
pressure oil
oil
hydraulic
working machine
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
JP59198102A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0577815B2 (enrdf_load_stackoverflow
Inventor
Yuji Inoue
雄次 井上
Nobuaki Tokuda
徳田　信昭
Toshihiko Inamata
稲又　敏彦
Shigeru Nakayama
茂 中山
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.)
Yanmar Co Ltd
Yanmar Agribusiness Co Ltd
Original Assignee
Seirei Industry Co Ltd
Yanmar Diesel Engine 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 Seirei Industry Co Ltd, Yanmar Diesel Engine Co Ltd filed Critical Seirei Industry Co Ltd
Priority to JP59198102A priority Critical patent/JPS6175136A/ja
Publication of JPS6175136A publication Critical patent/JPS6175136A/ja
Publication of JPH0577815B2 publication Critical patent/JPH0577815B2/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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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

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)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP59198102A 1984-09-20 1984-09-20 建設機械の油圧装置 Granted JPS6175136A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59198102A JPS6175136A (ja) 1984-09-20 1984-09-20 建設機械の油圧装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59198102A JPS6175136A (ja) 1984-09-20 1984-09-20 建設機械の油圧装置

Publications (2)

Publication Number Publication Date
JPS6175136A true JPS6175136A (ja) 1986-04-17
JPH0577815B2 JPH0577815B2 (enrdf_load_stackoverflow) 1993-10-27

Family

ID=16385522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59198102A Granted JPS6175136A (ja) 1984-09-20 1984-09-20 建設機械の油圧装置

Country Status (1)

Country Link
JP (1) JPS6175136A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0577815B2 (enrdf_load_stackoverflow) 1993-10-27

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