JPS6175135A - 作業機械の制御装置 - Google Patents

作業機械の制御装置

Info

Publication number
JPS6175135A
JPS6175135A JP59195742A JP19574284A JPS6175135A JP S6175135 A JPS6175135 A JP S6175135A JP 59195742 A JP59195742 A JP 59195742A JP 19574284 A JP19574284 A JP 19574284A JP S6175135 A JPS6175135 A JP S6175135A
Authority
JP
Japan
Prior art keywords
pilot
valve
switching valve
actuator
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
JP59195742A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0429817B2 (enrdf_load_stackoverflow
Inventor
Kunio Kashiwagi
柏木　邦雄
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 JP59195742A priority Critical patent/JPS6175135A/ja
Publication of JPS6175135A publication Critical patent/JPS6175135A/ja
Publication of JPH0429817B2 publication Critical patent/JPH0429817B2/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)
JP59195742A 1984-09-20 1984-09-20 作業機械の制御装置 Granted JPS6175135A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59195742A JPS6175135A (ja) 1984-09-20 1984-09-20 作業機械の制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59195742A JPS6175135A (ja) 1984-09-20 1984-09-20 作業機械の制御装置

Publications (2)

Publication Number Publication Date
JPS6175135A true JPS6175135A (ja) 1986-04-17
JPH0429817B2 JPH0429817B2 (enrdf_load_stackoverflow) 1992-05-20

Family

ID=16346211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59195742A Granted JPS6175135A (ja) 1984-09-20 1984-09-20 作業機械の制御装置

Country Status (1)

Country Link
JP (1) JPS6175135A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6383405A (ja) * 1986-09-27 1988-04-14 Hitachi Constr Mach Co Ltd 油圧ショベルの油圧回路
JPH02101852U (enrdf_load_stackoverflow) * 1988-09-30 1990-08-14
US5005466A (en) * 1988-04-07 1991-04-09 Kabushiki Kaisha Kobe Seiko Sho Cavitation-preventing pilot valve control system for power shovel hydraulic circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6383405A (ja) * 1986-09-27 1988-04-14 Hitachi Constr Mach Co Ltd 油圧ショベルの油圧回路
US5005466A (en) * 1988-04-07 1991-04-09 Kabushiki Kaisha Kobe Seiko Sho Cavitation-preventing pilot valve control system for power shovel hydraulic circuit
JPH02101852U (enrdf_load_stackoverflow) * 1988-09-30 1990-08-14

Also Published As

Publication number Publication date
JPH0429817B2 (enrdf_load_stackoverflow) 1992-05-20

Similar Documents

Publication Publication Date Title
EP3647500B1 (en) Travel control system for construction machinery and travel control method for construction machinery
US4528892A (en) Hydraulic circuit system for construction machine
US6018895A (en) Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements
US4561824A (en) Hydraulic drive system for civil engineering and construction machinery
KR100221808B1 (ko) 유압쇼벨의 유압구동장치
US4614475A (en) Hydraulic circuit system for civil engineering and architectural machinery
JPS6175135A (ja) 作業機械の制御装置
JP2757089B2 (ja) 作業機干渉防止装置
US6029446A (en) Multifunction valve stack
JP2726997B2 (ja) 建設機械の作業自動化装置
JPH08218443A (ja) 建設機械の油圧駆動装置
EP0480037B1 (en) Device for operating traveling and working machines of hydraulic excavator
JP3869281B2 (ja) 流体圧回路
JPH086354B2 (ja) 油圧式掘削機の油圧回路
KR200153467Y1 (ko) 굴삭기의 아암실린더 속도 조절장치
JPS61204427A (ja) 土木・建設機械の油圧回路
JP3604094B2 (ja) 油圧ショベルの油圧回路
JPH10292417A (ja) 建設機械のフロント制御装置
JPH1037232A (ja) ２ピースブーム型作業機の操作駆動装置
JP2757009B2 (ja) 建設機械の微操作制御方法
JPS5828040Y2 (ja) バツクホウ作業機
JPH10299027A (ja) 建設機械の油圧駆動装置
JPH0893000A (ja) 油圧パイロット操作回路
JP2685871B2 (ja) 側溝掘フロントの油圧回路
JP2685870B2 (ja) 作業機械の油圧回路