JPS5865827A - 土木・建設機械の油圧回路 - Google Patents

土木・建設機械の油圧回路

Info

Publication number
JPS5865827A
JPS5865827A JP16198181A JP16198181A JPS5865827A JP S5865827 A JPS5865827 A JP S5865827A JP 16198181 A JP16198181 A JP 16198181A JP 16198181 A JP16198181 A JP 16198181A JP S5865827 A JPS5865827 A JP S5865827A
Authority
JP
Japan
Prior art keywords
switching valve
valve
hydraulic
directional
directional switching
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
JP16198181A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0341613B2 (enrdf_load_stackoverflow
Inventor
Toshimichi Ikeda
利道 池田
Shinya Okabe
岡部　信也
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 JP16198181A priority Critical patent/JPS5865827A/ja
Publication of JPS5865827A publication Critical patent/JPS5865827A/ja
Publication of JPH0341613B2 publication Critical patent/JPH0341613B2/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)
JP16198181A 1981-10-13 1981-10-13 土木・建設機械の油圧回路 Granted JPS5865827A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16198181A JPS5865827A (ja) 1981-10-13 1981-10-13 土木・建設機械の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16198181A JPS5865827A (ja) 1981-10-13 1981-10-13 土木・建設機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS5865827A true JPS5865827A (ja) 1983-04-19
JPH0341613B2 JPH0341613B2 (enrdf_load_stackoverflow) 1991-06-24

Family

ID=15745751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16198181A Granted JPS5865827A (ja) 1981-10-13 1981-10-13 土木・建設機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS5865827A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6078022A (ja) * 1983-10-05 1985-05-02 Yutani Juko Kk 油圧ショベルの油圧回路

Citations (1)

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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS6078022A (ja) * 1983-10-05 1985-05-02 Yutani Juko Kk 油圧ショベルの油圧回路

Also Published As

Publication number Publication date
JPH0341613B2 (enrdf_load_stackoverflow) 1991-06-24

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