JPH0577815B2 - - Google Patents

Info

Publication number
JPH0577815B2
JPH0577815B2 JP59198102A JP19810284A JPH0577815B2 JP H0577815 B2 JPH0577815 B2 JP H0577815B2 JP 59198102 A JP59198102 A JP 59198102A JP 19810284 A JP19810284 A JP 19810284A JP H0577815 B2 JPH0577815 B2 JP H0577815B2
Authority
JP
Japan
Prior art keywords
switching valve
pressure oil
oil
hydraulic
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.)
Expired - Lifetime
Application number
JP59198102A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6175136A (ja
Inventor
Juji Inoe
Nobuaki Tokuda
Toshihiko Inamata
Shigeru Nakayama
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.)
Yanmar Co Ltd
Yanmar Agribusiness Co Ltd
Original Assignee
Seirei Industry Co Ltd
Yanmar Diesel Engine 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 Seirei Industry Co Ltd, Yanmar Diesel Engine Co Ltd filed Critical Seirei Industry Co Ltd
Priority to JP59198102A priority Critical patent/JPS6175136A/ja
Publication of JPS6175136A publication Critical patent/JPS6175136A/ja
Publication of JPH0577815B2 publication Critical patent/JPH0577815B2/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)
JP59198102A 1984-09-20 1984-09-20 建設機械の油圧装置 Granted JPS6175136A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59198102A JPS6175136A (ja) 1984-09-20 1984-09-20 建設機械の油圧装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59198102A JPS6175136A (ja) 1984-09-20 1984-09-20 建設機械の油圧装置

Publications (2)

Publication Number Publication Date
JPS6175136A JPS6175136A (ja) 1986-04-17
JPH0577815B2 true JPH0577815B2 (enrdf_load_stackoverflow) 1993-10-27

Family

ID=16385522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59198102A Granted JPS6175136A (ja) 1984-09-20 1984-09-20 建設機械の油圧装置

Country Status (1)

Country Link
JP (1) JPS6175136A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6175136A (ja) 1986-04-17

Similar Documents

Publication Publication Date Title
JPH0143097B2 (enrdf_load_stackoverflow)
KR101080173B1 (ko) 복수개의 컨트롤밸브유닛들이 결합된 굴삭기용 메인컨트롤밸브어셈블리
JP3659549B2 (ja) 建設機械用上部旋回体
JP2002339908A (ja) 建設機械におけるアタッチメント用油圧制御回路
JPH0577815B2 (enrdf_load_stackoverflow)
JPS61113932A (ja) 建設機械の補助作業機用油圧回路
JP2635206B2 (ja) 掘削作業車の油圧回路構造
JPH086354B2 (ja) 油圧式掘削機の油圧回路
JP3964800B2 (ja) 作業機械の油圧回路
JPH05126104A (ja) 建設機械の油圧回路
JPH0447260Y2 (enrdf_load_stackoverflow)
JPH02140332A (ja) 油圧掘削機の作業機油量配分切換回路
JPH116174A (ja) 建設車両のアクチュエータ作動回路
CN112443522B (zh) 工程机械的油压系统
JP2574070Y2 (ja) アクチュエータの作動油切換装置
JPH0143098B2 (enrdf_load_stackoverflow)
JP6518301B2 (ja) 建設機械の油圧システム
JP2003004004A (ja) バックホーの油圧回路
JP2695340B2 (ja) バックホウ
JP2858296B2 (ja) 油圧式バケットの駆動装置
KR20070052592A (ko) 굴삭기 브레이커의 유압제어장치
JPH04297628A (ja) 油圧ショベルの油圧回路
JPH0211491Y2 (enrdf_load_stackoverflow)
JP2549984Y2 (ja) 旋回用駐車ブレーキ回路
JP2002089512A (ja) 建設機械の油圧駆動装置