JPS6124730A - 油圧シヨベル等建設機械の油圧回路 - Google Patents

油圧シヨベル等建設機械の油圧回路

Info

Publication number
JPS6124730A
JPS6124730A JP14326584A JP14326584A JPS6124730A JP S6124730 A JPS6124730 A JP S6124730A JP 14326584 A JP14326584 A JP 14326584A JP 14326584 A JP14326584 A JP 14326584A JP S6124730 A JPS6124730 A JP S6124730A
Authority
JP
Japan
Prior art keywords
directional
valve
switching valve
group
hydraulic pump
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
JP14326584A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0429815B2 (enrdf_load_stackoverflow
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 JP14326584A priority Critical patent/JPS6124730A/ja
Publication of JPS6124730A publication Critical patent/JPS6124730A/ja
Publication of JPH0429815B2 publication Critical patent/JPH0429815B2/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)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP14326584A 1984-07-12 1984-07-12 油圧シヨベル等建設機械の油圧回路 Granted JPS6124730A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14326584A JPS6124730A (ja) 1984-07-12 1984-07-12 油圧シヨベル等建設機械の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14326584A JPS6124730A (ja) 1984-07-12 1984-07-12 油圧シヨベル等建設機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS6124730A true JPS6124730A (ja) 1986-02-03
JPH0429815B2 JPH0429815B2 (enrdf_load_stackoverflow) 1992-05-20

Family

ID=15334720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14326584A Granted JPS6124730A (ja) 1984-07-12 1984-07-12 油圧シヨベル等建設機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS6124730A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1316650A3 (en) * 2001-08-22 2003-07-23 Kobelco Construction Machinery Co., Ltd. Hydraulic system for construction machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1316650A3 (en) * 2001-08-22 2003-07-23 Kobelco Construction Machinery Co., Ltd. Hydraulic system for construction machine
US6708490B2 (en) 2001-08-22 2004-03-23 Kobelco Construction Machinery Co., Ltd. Hydraulic system for construction machine

Also Published As

Publication number Publication date
JPH0429815B2 (enrdf_load_stackoverflow) 1992-05-20

Similar Documents

Publication Publication Date Title
JPS592930A (ja) 油圧駆動式作業車両の油圧回路
JPS61142235A (ja) 油圧ショベル等の建設機械の油圧回路
JP7438082B2 (ja) 液圧駆動システム
JPH11303808A (ja) 油圧駆動式作業車両の油圧システム
JPS6124730A (ja) 油圧シヨベル等建設機械の油圧回路
JPH0374292B2 (enrdf_load_stackoverflow)
JP2654484B2 (ja) 建設機械の油圧回路
JPS60123629A (ja) 油圧ショベルの油圧回路
JPH0352275Y2 (enrdf_load_stackoverflow)
JPH0429813B2 (enrdf_load_stackoverflow)
JPH11217852A (ja) 第３油圧ポンプを使用した建設機械の油圧回路
JPH047412B2 (enrdf_load_stackoverflow)
JP2520653B2 (ja) 建設機械の走行制御装置
JPS6030734A (ja) 油圧ショベルの油圧回路
JPH0128177B2 (enrdf_load_stackoverflow)
JPH047414B2 (enrdf_load_stackoverflow)
JPS60164522A (ja) 土木・建設機械の油圧回路
JPH0216221A (ja) 作業車の油圧構造
JPS61142234A (ja) 油圧ショベル等の建設機械の油圧回路
JPH0411690B2 (enrdf_load_stackoverflow)
JPS6030733A (ja) 油圧シヨベルの油圧回路
JPS60151406A (ja) 油圧作業機械の油圧回路
JPS5961633A (ja) 油圧作業機の油圧回路
JPH0429814B2 (enrdf_load_stackoverflow)
JPS6030731A (ja) 油圧シヨベルの油圧回路