JPH0621973Y2 - 油圧シヨベルの油圧回路 - Google Patents

油圧シヨベルの油圧回路

Info

Publication number
JPH0621973Y2
JPH0621973Y2 JP1987044038U JP4403887U JPH0621973Y2 JP H0621973 Y2 JPH0621973 Y2 JP H0621973Y2 JP 1987044038 U JP1987044038 U JP 1987044038U JP 4403887 U JP4403887 U JP 4403887U JP H0621973 Y2 JPH0621973 Y2 JP H0621973Y2
Authority
JP
Japan
Prior art keywords
valve
boom
oil passage
pilot
pressure
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
JP1987044038U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63151558U (tr
Inventor
諭 宮岡
亘 久保本
Original Assignee
油谷重工株式会社
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 油谷重工株式会社 filed Critical 油谷重工株式会社
Priority to JP1987044038U priority Critical patent/JPH0621973Y2/ja
Publication of JPS63151558U publication Critical patent/JPS63151558U/ja
Application granted granted Critical
Publication of JPH0621973Y2 publication Critical patent/JPH0621973Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP1987044038U 1987-03-24 1987-03-24 油圧シヨベルの油圧回路 Expired - Lifetime JPH0621973Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987044038U JPH0621973Y2 (ja) 1987-03-24 1987-03-24 油圧シヨベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987044038U JPH0621973Y2 (ja) 1987-03-24 1987-03-24 油圧シヨベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS63151558U JPS63151558U (tr) 1988-10-05
JPH0621973Y2 true JPH0621973Y2 (ja) 1994-06-08

Family

ID=30861470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987044038U Expired - Lifetime JPH0621973Y2 (ja) 1987-03-24 1987-03-24 油圧シヨベルの油圧回路

Country Status (1)

Country Link
JP (1) JPH0621973Y2 (tr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6982474B2 (ja) * 2017-11-22 2021-12-17 川崎重工業株式会社 油圧駆動システム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49126101A (tr) * 1973-04-05 1974-12-03
JPS62284835A (ja) * 1986-06-03 1987-12-10 Sumitomo Heavy Ind Ltd 油圧シヨベルの油圧回路

Also Published As

Publication number Publication date
JPS63151558U (tr) 1988-10-05

Similar Documents

Publication Publication Date Title
JP3557167B2 (ja) 作業用機械における油圧回路
JPH0621973Y2 (ja) 油圧シヨベルの油圧回路
JP3833911B2 (ja) 建設機械の油圧回路
JPS595163B2 (ja) クレ−ン等の速度制御回路
JP2520293B2 (ja) 油圧掘削機の作業機油量配分切換回路
JPH0649632Y2 (ja) 油圧ショベルの油圧回路
JPH0621972Y2 (ja) 油圧シヨベルの油圧回路
JP2725054B2 (ja) アウトリガ回路
JPH0579060A (ja) 油圧シヨベルの油圧回路
JP2755423B2 (ja) 油圧ショベルの油圧回路
JPH04191503A (ja) ロードセンシングシステムにおけるカットオフキャンセル機構
JP2745321B2 (ja) 建設機械の油圧回路
KR0138161Y1 (ko) 작업조건에 따라 액츄에이터의 속도 조정이 가능한 유압회로
JPH09119148A (ja) 建設機械の油圧回路
JPH0617447A (ja) 小型ショベルの油圧回路
JPH0516401Y2 (tr)
JP2538713Y2 (ja) 小型ショベルの油圧回路
JPH0246417Y2 (tr)
JP2551344Y2 (ja) 建設機械の油圧回路
JPS6312241Y2 (tr)
JPH045343A (ja) 作業装置の油圧回路
JPH10183693A (ja) 作業機械の油圧回路
JPH04297628A (ja) 油圧ショベルの油圧回路
JP3118787B2 (ja) 建設機械の油圧回路
JP2538712Y2 (ja) 小型ショベルの油圧回路