JPS61142234A - 油圧ショベル等の建設機械の油圧回路 - Google Patents

油圧ショベル等の建設機械の油圧回路

Info

Publication number
JPS61142234A
JPS61142234A JP59264598A JP26459884A JPS61142234A JP S61142234 A JPS61142234 A JP S61142234A JP 59264598 A JP59264598 A JP 59264598A JP 26459884 A JP26459884 A JP 26459884A JP S61142234 A JPS61142234 A JP S61142234A
Authority
JP
Japan
Prior art keywords
directional
valve
switching valve
pressure
pressure oil
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
JP59264598A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0410535B2 (enrdf_load_html_response
Inventor
Masaharu Kawamoto
川本　正治
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.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo 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 Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Priority to JP59264598A priority Critical patent/JPS61142234A/ja
Publication of JPS61142234A publication Critical patent/JPS61142234A/ja
Publication of JPH0410535B2 publication Critical patent/JPH0410535B2/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)
JP59264598A 1984-12-17 1984-12-17 油圧ショベル等の建設機械の油圧回路 Granted JPS61142234A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59264598A JPS61142234A (ja) 1984-12-17 1984-12-17 油圧ショベル等の建設機械の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59264598A JPS61142234A (ja) 1984-12-17 1984-12-17 油圧ショベル等の建設機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS61142234A true JPS61142234A (ja) 1986-06-30
JPH0410535B2 JPH0410535B2 (enrdf_load_html_response) 1992-02-25

Family

ID=17405531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59264598A Granted JPS61142234A (ja) 1984-12-17 1984-12-17 油圧ショベル等の建設機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS61142234A (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01320302A (ja) * 1988-06-17 1989-12-26 Yutani Heavy Ind Ltd 油圧ショベルの油圧回路
WO1991000396A1 (en) * 1989-06-30 1991-01-10 Kabushiki Kaisha Komatsu Seisakusho Device for operating traveling and working machines of hydraulic excavator
EP1847654A3 (en) * 2006-04-18 2007-12-05 Volvo Construction Equipment Holding Sweden AB Straight traveling hydraulic circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01320302A (ja) * 1988-06-17 1989-12-26 Yutani Heavy Ind Ltd 油圧ショベルの油圧回路
WO1991000396A1 (en) * 1989-06-30 1991-01-10 Kabushiki Kaisha Komatsu Seisakusho Device for operating traveling and working machines of hydraulic excavator
EP1847654A3 (en) * 2006-04-18 2007-12-05 Volvo Construction Equipment Holding Sweden AB Straight traveling hydraulic circuit
US7614225B2 (en) 2006-04-18 2009-11-10 Volvo Construction Equipment Holding Sweden Ab Straight traveling hydraulic circuit

Also Published As

Publication number Publication date
JPH0410535B2 (enrdf_load_html_response) 1992-02-25

Similar Documents

Publication Publication Date Title
JPS61142235A (ja) 油圧ショベル等の建設機械の油圧回路
JPS61142234A (ja) 油圧ショベル等の建設機械の油圧回路
JP2551543B2 (ja) 油圧ショベルの油圧回路
JP7438082B2 (ja) 液圧駆動システム
CN210715346U (zh) 高集成先导的多路阀组及起重机
JPS62107124A (ja) 建設機械の油圧回路
JPS6229629A (ja) 建設車両の油圧装置
JPS61142233A (ja) 油圧ショベル等の建設機械の油圧回路
JP2564727Y2 (ja) 小型ショベルの油圧回路
JPS60123629A (ja) 油圧ショベルの油圧回路
JPH0643260Y2 (ja) 建設機械の油圧装置
JPH0649644Y2 (ja) クローラ式油圧ショベルの油圧回路
JPH116174A (ja) 建設車両のアクチュエータ作動回路
JPS5938445B2 (ja) 液圧回路
JP2630777B2 (ja) 車両用制御回路
JPH10131907A (ja) 建設機械の制御回路
JPS6124730A (ja) 油圧シヨベル等建設機械の油圧回路
JPS5932683B2 (ja) 液圧回路
JPS61211505A (ja) 自走式油圧機械の油圧制御回路
JPH0429813B2 (enrdf_load_html_response)
JPH0411690B2 (enrdf_load_html_response)
JPS60164522A (ja) 土木・建設機械の油圧回路
JPS60233235A (ja) 自走式油圧機械の油圧制御回路
JPS6343261Y2 (enrdf_load_html_response)
KR20000021957A (ko) 중장비의 주행직진 유압회로