JPH0341613B2 - - Google Patents

Info

Publication number
JPH0341613B2
JPH0341613B2 JP56161981A JP16198181A JPH0341613B2 JP H0341613 B2 JPH0341613 B2 JP H0341613B2 JP 56161981 A JP56161981 A JP 56161981A JP 16198181 A JP16198181 A JP 16198181A JP H0341613 B2 JPH0341613 B2 JP H0341613B2
Authority
JP
Japan
Prior art keywords
directional
valve
hydraulic
hydraulic pump
switching valve
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 - Lifetime
Application number
JP56161981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5865827A (ja
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 filed Critical
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 JPS5865827A (ja) 1983-04-19
JPH0341613B2 true JPH0341613B2 (fr) 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 (fr)

Families Citing this family (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

Also Published As

Publication number Publication date
JPS5865827A (ja) 1983-04-19

Similar Documents

Publication Publication Date Title
JP2003148407A (ja) 油圧回路
KR870000506B1 (ko) 토목 건설기계의 유압회로 시스템
JP3076210B2 (ja) 建設機械の油圧駆動装置
JPH0341613B2 (fr)
JP4503482B2 (ja) 作業機の油圧システム
JP2635206B2 (ja) 掘削作業車の油圧回路構造
JPS5961633A (ja) 油圧作業機の油圧回路
JPH0258412B2 (fr)
JP2766365B2 (ja) 油圧ショベルの油圧回路
JPH0352275Y2 (fr)
JPH09165791A (ja) 作業機械の油圧回路
JPH09165796A (ja) 作業機械の油圧回路
JPH0411690B2 (fr)
JPS6340531Y2 (fr)
JPH0324680Y2 (fr)
JPS6233786Y2 (fr)
JP3724187B2 (ja) 建設機械の油圧回路
JPH06241203A (ja) 走行用油圧回路
JPH0412335B2 (fr)
JPH06264471A (ja) 建設機械の油圧駆動装置
JP3130781B2 (ja) 作業機械の油圧回路
JP2624268B2 (ja) 建設機械の油圧駆動装置
JPH09165794A (ja) 作業機械の油圧回路
JPH0429813B2 (fr)
JPH06241205A (ja) 走行用油圧回路