JPS624188A - つり具の安全確認装置 - Google Patents

つり具の安全確認装置

Info

Publication number
JPS624188A
JPS624188A JP14380285A JP14380285A JPS624188A JP S624188 A JPS624188 A JP S624188A JP 14380285 A JP14380285 A JP 14380285A JP 14380285 A JP14380285 A JP 14380285A JP S624188 A JPS624188 A JP S624188A
Authority
JP
Japan
Prior art keywords
oil
hook
hydraulic cylinder
valve
hydraulic
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.)
Granted
Application number
JP14380285A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0371353B2 (enrdf_load_stackoverflow
Inventor
修 森
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
Original Assignee
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 Yutani Heavy Industries Ltd filed Critical Yutani Heavy Industries Ltd
Priority to JP14380285A priority Critical patent/JPS624188A/ja
Publication of JPS624188A publication Critical patent/JPS624188A/ja
Publication of JPH0371353B2 publication Critical patent/JPH0371353B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Load-Engaging Elements For Cranes (AREA)
JP14380285A 1985-06-28 1985-06-28 つり具の安全確認装置 Granted JPS624188A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14380285A JPS624188A (ja) 1985-06-28 1985-06-28 つり具の安全確認装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14380285A JPS624188A (ja) 1985-06-28 1985-06-28 つり具の安全確認装置

Publications (2)

Publication Number Publication Date
JPS624188A true JPS624188A (ja) 1987-01-10
JPH0371353B2 JPH0371353B2 (enrdf_load_stackoverflow) 1991-11-12

Family

ID=15347317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14380285A Granted JPS624188A (ja) 1985-06-28 1985-06-28 つり具の安全確認装置

Country Status (1)

Country Link
JP (1) JPS624188A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3426590A4 (en) * 2016-03-10 2019-04-10 Taylor, Christopher Kent PIPE STAND

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163291A (ja) * 1983-03-04 1984-09-14 日本鋼管株式会社 荷の吊上装置
JPS6067386A (ja) * 1983-09-21 1985-04-17 川崎重工業株式会社 管状物の荷役装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163291A (ja) * 1983-03-04 1984-09-14 日本鋼管株式会社 荷の吊上装置
JPS6067386A (ja) * 1983-09-21 1985-04-17 川崎重工業株式会社 管状物の荷役装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3426590A4 (en) * 2016-03-10 2019-04-10 Taylor, Christopher Kent PIPE STAND
US10392232B2 (en) 2016-03-10 2019-08-27 Christopher Kent Taylor Pipe lifter

Also Published As

Publication number Publication date
JPH0371353B2 (enrdf_load_stackoverflow) 1991-11-12

Similar Documents

Publication Publication Date Title
US4017110A (en) Cylinder and piston assembly
CN110626948A (zh) 折叠臂式随车起重机液压控制系统
CN109973449B (zh) 升降平台的液压控制系统
CN108612689A (zh) 一种大角度回转机构的液压控制系统及方法
JP4543032B2 (ja) 流体継手手段を備えた工具保持具
CN109879184A (zh) 配重同步液压系统及起重机
JPS624188A (ja) つり具の安全確認装置
CN109250626B (zh) 一种小拐臂绝缘高空作业车臂架及其控制系统
CN209411632U (zh) 一种小拐臂绝缘高空作业车臂架及其控制系统
US3752327A (en) Multiple stage crane boom
JP2756078B2 (ja) アタッチメント用カプラ
WO2024021300A1 (zh) 臂架及作业机械
JPH0958980A (ja) マスト機構
CN105179356B (zh) 副臂控制阀、副臂液压控制系统及起重机
JPH0750426Y2 (ja) 建設機械の油圧回路
JP2539596Y2 (ja) フォークリフト着脱作業機
JP4429482B2 (ja) クレーンのフック吊下長さ保持装置
JPH04920B2 (enrdf_load_stackoverflow)
JP2731099B2 (ja) 油圧式クレーンの切換弁装置
JPH0624421Y2 (ja) 杭打機の油圧回路
JPS58102808A (ja) 油圧シリンダの制御装置
JPH0615991Y2 (ja) コンテナスプレツダのツイストロツクシリンダ駆動装置
JPS6346477Y2 (enrdf_load_stackoverflow)
JPS6239024Y2 (enrdf_load_stackoverflow)
JPS6019110Y2 (ja) クレ−ンの安全装置