JPH0377333B2 - - Google Patents

Info

Publication number
JPH0377333B2
JPH0377333B2 JP58138789A JP13878983A JPH0377333B2 JP H0377333 B2 JPH0377333 B2 JP H0377333B2 JP 58138789 A JP58138789 A JP 58138789A JP 13878983 A JP13878983 A JP 13878983A JP H0377333 B2 JPH0377333 B2 JP H0377333B2
Authority
JP
Japan
Prior art keywords
valve
oil passage
hydraulic pump
oil
operated
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
JP58138789A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6030735A (ja
Inventor
Tetsuo Tabata
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.)
Kobelco Construction Machinery Co Ltd
Original Assignee
Yutani Heavy Industries 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 Yutani Heavy Industries Ltd filed Critical Yutani Heavy Industries Ltd
Priority to JP58138789A priority Critical patent/JPS6030735A/ja
Publication of JPS6030735A publication Critical patent/JPS6030735A/ja
Publication of JPH0377333B2 publication Critical patent/JPH0377333B2/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)
  • Fluid-Pressure Circuits (AREA)
JP58138789A 1983-07-28 1983-07-28 油圧ショベルの油圧回路 Granted JPS6030735A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58138789A JPS6030735A (ja) 1983-07-28 1983-07-28 油圧ショベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58138789A JPS6030735A (ja) 1983-07-28 1983-07-28 油圧ショベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS6030735A JPS6030735A (ja) 1985-02-16
JPH0377333B2 true JPH0377333B2 (US20050271598A1-20051208-C00001.png) 1991-12-10

Family

ID=15230246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58138789A Granted JPS6030735A (ja) 1983-07-28 1983-07-28 油圧ショベルの油圧回路

Country Status (1)

Country Link
JP (1) JPS6030735A (US20050271598A1-20051208-C00001.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645220B (zh) * 2019-10-17 2021-06-25 江苏汇智高端工程机械创新中心有限公司 用于作业车辆的液压系统及挖掘机

Also Published As

Publication number Publication date
JPS6030735A (ja) 1985-02-16

Similar Documents

Publication Publication Date Title
JP5564215B2 (ja) 建設機械用油圧システム
JP3730715B2 (ja) 油圧制御弁装置
KR100797315B1 (ko) 굴삭기의 주행 및 프론트작업의 복합작업용 유압제어장치
KR870000506B1 (ko) 토목 건설기계의 유압회로 시스템
JPS61142235A (ja) 油圧ショベル等の建設機械の油圧回路
JPH0374292B2 (US20050271598A1-20051208-C00001.png)
JPH0377333B2 (US20050271598A1-20051208-C00001.png)
JPH0463933B2 (US20050271598A1-20051208-C00001.png)
JPS6229629A (ja) 建設車両の油圧装置
JPH0411690B2 (US20050271598A1-20051208-C00001.png)
JP2635206B2 (ja) 掘削作業車の油圧回路構造
JP3139792B2 (ja) 建設車両の直進走行回路
JPH0352275Y2 (US20050271598A1-20051208-C00001.png)
JPS6131535A (ja) 建設車両等の油圧制御回路
JPS637425A (ja) 建設機械の油圧回路
JPS5932683B2 (ja) 液圧回路
JPS60115730A (ja) 建設車両の制御回路
JPH0124405Y2 (US20050271598A1-20051208-C00001.png)
JPH0643260Y2 (ja) 建設機械の油圧装置
JPS5932684B2 (ja) 液圧回路
JPS61211505A (ja) 自走式油圧機械の油圧制御回路
JPS6340531Y2 (US20050271598A1-20051208-C00001.png)
JPS5961633A (ja) 油圧作業機の油圧回路
JPH09165796A (ja) 作業機械の油圧回路
JPH0464377B2 (US20050271598A1-20051208-C00001.png)