JPH0329931B2 - - Google Patents

Info

Publication number
JPH0329931B2
JPH0329931B2 JP16936883A JP16936883A JPH0329931B2 JP H0329931 B2 JPH0329931 B2 JP H0329931B2 JP 16936883 A JP16936883 A JP 16936883A JP 16936883 A JP16936883 A JP 16936883A JP H0329931 B2 JPH0329931 B2 JP H0329931B2
Authority
JP
Japan
Prior art keywords
pressure
valve
hydraulic
cylinder
boom
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
JP16936883A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6062341A (ja
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 filed Critical
Priority to JP16936883A priority Critical patent/JPS6062341A/ja
Publication of JPS6062341A publication Critical patent/JPS6062341A/ja
Publication of JPH0329931B2 publication Critical patent/JPH0329931B2/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
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating

Landscapes

  • Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
  • Operation Control Of Excavators (AREA)
  • Component Parts Of Construction Machinery (AREA)
JP16936883A 1983-09-16 1983-09-16 クレ−ン兼用の油圧シヨベルの油圧回路 Granted JPS6062341A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16936883A JPS6062341A (ja) 1983-09-16 1983-09-16 クレ−ン兼用の油圧シヨベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16936883A JPS6062341A (ja) 1983-09-16 1983-09-16 クレ−ン兼用の油圧シヨベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS6062341A JPS6062341A (ja) 1985-04-10
JPH0329931B2 true JPH0329931B2 (en, 2012) 1991-04-25

Family

ID=15885287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16936883A Granted JPS6062341A (ja) 1983-09-16 1983-09-16 クレ−ン兼用の油圧シヨベルの油圧回路

Country Status (1)

Country Link
JP (1) JPS6062341A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2851592B1 (fr) * 2003-02-21 2005-04-15 Hydrokit Chargeur frontal pour vehicule de travaux publics ou agricoles et vehicule equipe d'un tel chargeur
JP6982517B2 (ja) * 2018-02-27 2021-12-17 Ｋｙｂ−Ｙｓ株式会社 流体圧制御装置

Also Published As

Publication number Publication date
JPS6062341A (ja) 1985-04-10

Similar Documents

Publication Publication Date Title
JP4384977B2 (ja) 油圧駆動装置
US4218837A (en) High lift hydraulic system for an excavator
JPH0329931B2 (en, 2012)
WO2001011151A1 (fr) Dispositif de commande du bras d'un engin de travaux
JP7498851B2 (ja) 作業機械
EP1300519B1 (en) Construction macine with a hydraulic circuit and attachment emergency drive method.
JPH0374290B2 (en, 2012)
JPH0329930B2 (en, 2012)
JP2018145726A (ja) ショベル
JP2576314Y2 (ja) 作業機のカウンタウェイト着脱用油圧回路
JP2002294759A (ja) 建設機械の作業アタッチメント制御装置
JPS60215931A (ja) クレ−ン兼用の油圧シヨベルの油圧回路
JPH0932044A (ja) バックホウの油圧回路
JP3779488B2 (ja) 建設機械の油圧駆動装置
JPS6229569B2 (en, 2012)
JP3831081B2 (ja) 吊り掘り用油圧回路
JPS58153829A (ja) 油圧シヨベルの油圧回路
JP4367728B2 (ja) 建設機械におけるブームシリンダ制御装置
JPS6322198Y2 (en, 2012)
JP3337939B2 (ja) 建設機械の油圧駆動装置
JPH0654025B2 (ja) シヨベルの油圧回路
JPH0765323B2 (ja) ショベルローダのブーム及びバケット制御装置
JP2003156006A (ja) 流体圧回路および流体圧回路制御方法
JPH0633616B2 (ja) 油圧回路
JPH04173694A (ja) 掘削機のロープ緩み防止装置