JPH034762B2 - - Google Patents

Info

Publication number
JPH034762B2
JPH034762B2 JP21342182A JP21342182A JPH034762B2 JP H034762 B2 JPH034762 B2 JP H034762B2 JP 21342182 A JP21342182 A JP 21342182A JP 21342182 A JP21342182 A JP 21342182A JP H034762 B2 JPH034762 B2 JP H034762B2
Authority
JP
Japan
Prior art keywords
pressure
hydraulic cylinder
control valve
hydraulic
pilot
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
JP21342182A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59106701A (ja
Inventor
Yutaka Takahashi
Takashi Yagyu
Sotaro Tanaka
Takeshi Yamaguchi
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 JP21342182A priority Critical patent/JPS59106701A/ja
Publication of JPS59106701A publication Critical patent/JPS59106701A/ja
Publication of JPH034762B2 publication Critical patent/JPH034762B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
JP21342182A 1982-12-07 1982-12-07 油圧シリンダの緩衝装置 Granted JPS59106701A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21342182A JPS59106701A (ja) 1982-12-07 1982-12-07 油圧シリンダの緩衝装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21342182A JPS59106701A (ja) 1982-12-07 1982-12-07 油圧シリンダの緩衝装置

Publications (2)

Publication Number Publication Date
JPS59106701A JPS59106701A (ja) 1984-06-20
JPH034762B2 true JPH034762B2 (cs) 1991-01-23

Family

ID=16638941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21342182A Granted JPS59106701A (ja) 1982-12-07 1982-12-07 油圧シリンダの緩衝装置

Country Status (1)

Country Link
JP (1) JPS59106701A (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0754641Y2 (ja) * 1986-05-09 1995-12-18 東洋運搬機株式会社 荷役位置制御装置
JPH01182604A (ja) * 1988-01-07 1989-07-20 Komatsu Ltd 液圧シリンダのクッション装置
JPH0257703A (ja) * 1988-08-18 1990-02-27 Kobe Steel Ltd 油圧シリンダの制御方法
DE102008018936A1 (de) * 2008-04-15 2009-10-22 Robert Bosch Gmbh Steueranordnung zur Ansteuerung eines Wegeventils

Also Published As

Publication number Publication date
JPS59106701A (ja) 1984-06-20

Similar Documents

Publication Publication Date Title
US4757685A (en) Pressure responsive hydraulic control circuit
EP2461044A1 (en) Hydraulic drive for construction machine
KR102564414B1 (ko) 건설기계의 주행 제어 시스템 및 건설기계의 주행 제어 방법
US20160076558A1 (en) Method of increasing electro-hydrostatic actuator piston velocity
KR980002483A (ko) 건설기계
CN107355437B (zh) 负载敏感回转缓冲阀及起重机回转液压系统
US4476679A (en) Civil engineering and construction machinery with hydraulic drive system
WO2015137329A1 (ja) ショベル
KR100379863B1 (ko) 유압회로장치
JP6676824B2 (ja) 作業機械の油圧駆動装置
JP3594680B2 (ja) 油圧機械の油圧再生装置
JPH034762B2 (cs)
JP2015172400A (ja) ショベル
JPH08302753A (ja) 油圧建設機械
JP2017015132A (ja) エネルギ回生システム
JP2008121404A (ja) 作業機械
JP4732625B2 (ja) 建設機械の油圧制御装置
JP3788686B2 (ja) 油圧駆動制御装置
JP6591370B2 (ja) 建設機械の油圧制御装置
JP3469980B2 (ja) ブームスイング式油圧ショベル
JP2005140153A (ja) 建設機械の油圧制御装置
JPH032722Y2 (cs)
JP2002005109A (ja) 操作制御装置
JP6580301B2 (ja) ショベル
JP2774552B2 (ja) 作業機械の油圧回路