JPH0160702B2 - - Google Patents

Info

Publication number
JPH0160702B2
JPH0160702B2 JP61141096A JP14109686A JPH0160702B2 JP H0160702 B2 JPH0160702 B2 JP H0160702B2 JP 61141096 A JP61141096 A JP 61141096A JP 14109686 A JP14109686 A JP 14109686A JP H0160702 B2 JPH0160702 B2 JP H0160702B2
Authority
JP
Japan
Prior art keywords
valve
pilot
switching valve
switching
spool
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
Application number
JP61141096A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62297513A (ja
Inventor
Satoshi Myaoka
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.)
Kobelco Construction Machinery Co Ltd
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
Yutani 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 Kobe Steel Ltd, Yutani Heavy Industries Ltd filed Critical Kobe Steel Ltd
Priority to JP14109686A priority Critical patent/JPS62297513A/ja
Publication of JPS62297513A publication Critical patent/JPS62297513A/ja
Publication of JPH0160702B2 publication Critical patent/JPH0160702B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
JP14109686A 1986-06-16 1986-06-16 建設機械の切換弁操作装置 Granted JPS62297513A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14109686A JPS62297513A (ja) 1986-06-16 1986-06-16 建設機械の切換弁操作装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14109686A JPS62297513A (ja) 1986-06-16 1986-06-16 建設機械の切換弁操作装置

Publications (2)

Publication Number Publication Date
JPS62297513A JPS62297513A (ja) 1987-12-24
JPH0160702B2 true JPH0160702B2 (en, 2012) 1989-12-25

Family

ID=15284098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14109686A Granted JPS62297513A (ja) 1986-06-16 1986-06-16 建設機械の切換弁操作装置

Country Status (1)

Country Link
JP (1) JPS62297513A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6322401U (en, 2012) * 1986-07-28 1988-02-15

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4725434U (en, 2012) * 1971-04-13 1972-11-22
JPS4872576A (en, 2012) * 1971-12-29 1973-09-29
JPS5149633Y2 (en, 2012) * 1972-05-08 1976-11-30
JPS567008B2 (en, 2012) * 1974-03-22 1981-02-16
FR2392167A1 (fr) * 1977-05-23 1978-12-22 Protex Manuf Prod Chimiq Compositions de couchage du papier
JPS567008A (en) * 1979-06-29 1981-01-24 Shin Nippon Koki Kk Tridimensional coordinates measuring apparatus
JPS56106267U (en, 2012) * 1980-01-17 1981-08-18
JPS5837238A (ja) * 1981-08-28 1983-03-04 Iseki & Co Ltd ロ−ダにおける流量制御装置
FR2514852B1 (fr) * 1981-10-19 1985-09-27 Snecma Organe de distribution de fluide et procede de realisation du corps de cet organe
JPS5870503U (ja) * 1981-11-05 1983-05-13 光洋機械工業株式会社 ロ−タリ式切換弁
JPS5976669U (ja) * 1982-11-16 1984-05-24 株式会社小松製作所 油圧駆動車の作業機操作装置
JPS6135272U (ja) * 1984-08-06 1986-03-04 ヤンマー農機株式会社 回転式４ポ−ト油圧切換弁
JPS62170403U (en, 2012) * 1986-04-18 1987-10-29

Also Published As

Publication number Publication date
JPS62297513A (ja) 1987-12-24

Similar Documents

Publication Publication Date Title
KR910009256B1 (ko) 토목건설기계의 유압구동장치
JP3550260B2 (ja) アクチュエータ作動特性制御装置
EP1536071A1 (en) Hydraulic driving system of construction machinery
JPH076530B2 (ja) 油圧ショベルの油圧回路
WO2007097698A1 (en) An arrangement related to a rotation device
KR100248186B1 (ko) 유압제어 시스템
US4986165A (en) Hydraulic shovel control circuit with operating pattern switching valve
JPH0160702B2 (en, 2012)
JP3597693B2 (ja) 油圧駆動回路
JPS61142235A (ja) 油圧ショベル等の建設機械の油圧回路
JP2002339908A (ja) 建設機械におけるアタッチメント用油圧制御回路
JPH0222482Y2 (en, 2012)
CN214092499U (zh) 一种控制阀、换向阀及其控制系统
JP2571190Y2 (ja) パワーショベル等の油圧回路
JP3244257B2 (ja) 作業機械の作業機制御回路
CN215666709U (zh) 工程机械及其手柄控制系统
JP3379217B2 (ja) 油圧作業車両の油圧回路
JP3547099B2 (ja) 油圧ショベルの油圧回路
JP3379218B2 (ja) 油圧作業車両の油圧回路
JPH0621462B2 (ja) 土木建設機械の油圧回路
JPH10299027A (ja) 建設機械の油圧駆動装置
JP4521866B2 (ja) 建設機械の油圧制御装置
JPH04297628A (ja) 油圧ショベルの油圧回路
US20210095443A1 (en) Hydraulic system for working machine
JPS6346462Y2 (en, 2012)