JPS6334323B2 - - Google Patents

Info

Publication number
JPS6334323B2
JPS6334323B2 JP13301382A JP13301382A JPS6334323B2 JP S6334323 B2 JPS6334323 B2 JP S6334323B2 JP 13301382 A JP13301382 A JP 13301382A JP 13301382 A JP13301382 A JP 13301382A JP S6334323 B2 JPS6334323 B2 JP S6334323B2
Authority
JP
Japan
Prior art keywords
oil
load
hydraulic cylinder
oil chamber
spool valve
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
JP13301382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5923110A (ja
Inventor
Toshihiro Nakajo
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.)
Furukawa Kogyo Co Ltd
Original Assignee
Furukawa Kogyo 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 Furukawa Kogyo Co Ltd filed Critical Furukawa Kogyo Co Ltd
Priority to JP13301382A priority Critical patent/JPS5923110A/ja
Publication of JPS5923110A publication Critical patent/JPS5923110A/ja
Publication of JPS6334323B2 publication Critical patent/JPS6334323B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
JP13301382A 1982-07-29 1982-07-29 負荷検出用油圧シリンダ装置 Granted JPS5923110A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13301382A JPS5923110A (ja) 1982-07-29 1982-07-29 負荷検出用油圧シリンダ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13301382A JPS5923110A (ja) 1982-07-29 1982-07-29 負荷検出用油圧シリンダ装置

Publications (2)

Publication Number Publication Date
JPS5923110A JPS5923110A (ja) 1984-02-06
JPS6334323B2 true JPS6334323B2 (enExample) 1988-07-08

Family

ID=15094749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13301382A Granted JPS5923110A (ja) 1982-07-29 1982-07-29 負荷検出用油圧シリンダ装置

Country Status (1)

Country Link
JP (1) JPS5923110A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102996565A (zh) * 2012-10-18 2013-03-27 蒂森克虏伯机场系统(中山)有限公司 登机桥升降柱塞缸结构

Also Published As

Publication number Publication date
JPS5923110A (ja) 1984-02-06

Similar Documents

Publication Publication Date Title
US5058752A (en) Boom overload warning and control system
US5051039A (en) Hydraulic steel mine prop
US4067447A (en) Safety device for cranes
CN106481613A (zh) 一种机液双保险锁紧液压缸
JPS6334323B2 (enExample)
CN108569655B (zh) 一种升降液压控制系统、控制方法及登机桥
KR830007422A (ko) 다단계 유압 잭(Jack)용 오일 보충물을 포함하는 유압시스템
US4635805A (en) Crane boom locking pin insertion indicator and actuator means
JPS63295399A (ja) ピストン位置のチェック装置を備えた油圧式ジャッキ
JPS6334322B2 (enExample)
US3250185A (en) Circuit control valve instrumentality
CN208704834U (zh) 一种防泥浆堵塞激光液位传感器测量管及激光液位传感器
DE10116995A1 (de) Hydraulikeinrichtung und Anordnung von Hydraulikeinrichtung und Steuergerät
JP2013513770A (ja) 負荷部駆動用バルブ装置
JPS5936152B2 (ja) 油圧制御弁
US3429550A (en) Valve equipment with hydraulic operator
CN101235722A (zh) 带压浮动双向锁及掩护式液压支架的液压控制系统
JPS6040882Y2 (ja) 油圧アクチユエータの油圧制御装置
JPS6234005Y2 (enExample)
US3581404A (en) Wedge orientation device
GB1559398A (en) Telescope ram
CN106567419A (zh) 液压抓斗成槽机及液压抓斗成槽机应急控制方法
JPH0645041Y2 (ja) 負荷検出手段を備えた複動油圧シリンダ
JPH0232886Y2 (enExample)
JPS6332720B2 (enExample)