JPS58164888A - 多段ブ−ム伸縮装置の安全装置 - Google Patents

多段ブ−ム伸縮装置の安全装置

Info

Publication number
JPS58164888A
JPS58164888A JP4794382A JP4794382A JPS58164888A JP S58164888 A JPS58164888 A JP S58164888A JP 4794382 A JP4794382 A JP 4794382A JP 4794382 A JP4794382 A JP 4794382A JP S58164888 A JPS58164888 A JP S58164888A
Authority
JP
Japan
Prior art keywords
cylinder
tip
lashing
fixed
outer cylinder
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
JP4794382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0119033B2 (enExample
Inventor
広瀬　弘道
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.)
Shinmaywa Industries Ltd
Original Assignee
Shin Meiva Industry 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 Shin Meiva Industry Ltd filed Critical Shin Meiva Industry Ltd
Priority to JP4794382A priority Critical patent/JPS58164888A/ja
Publication of JPS58164888A publication Critical patent/JPS58164888A/ja
Publication of JPH0119033B2 publication Critical patent/JPH0119033B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP4794382A 1982-03-24 1982-03-24 多段ブ−ム伸縮装置の安全装置 Granted JPS58164888A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4794382A JPS58164888A (ja) 1982-03-24 1982-03-24 多段ブ−ム伸縮装置の安全装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4794382A JPS58164888A (ja) 1982-03-24 1982-03-24 多段ブ−ム伸縮装置の安全装置

Publications (2)

Publication Number Publication Date
JPS58164888A true JPS58164888A (ja) 1983-09-29
JPH0119033B2 JPH0119033B2 (enExample) 1989-04-10

Family

ID=12789441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4794382A Granted JPS58164888A (ja) 1982-03-24 1982-03-24 多段ブ−ム伸縮装置の安全装置

Country Status (1)

Country Link
JP (1) JPS58164888A (enExample)

Also Published As

Publication number Publication date
JPH0119033B2 (enExample) 1989-04-10

Similar Documents

Publication Publication Date Title
US4133411A (en) Extensible boom
US3366250A (en) Boom jib assembly
JP7246934B2 (ja) ジブ起伏機構およびジブ起伏機構を備えたクレーン車
US4585132A (en) Extensible boom with manual section stored in base
JPS58164888A (ja) 多段ブ−ム伸縮装置の安全装置
JPH0323195A (ja) ５段伸縮ブーム装置
US4363413A (en) Endless chain drive for telescopic jib sections
CN107428516B (zh) 悬臂连接结构
JP2675400B2 (ja) 伸縮ブーム装置
JP7292851B2 (ja) ジブ起伏機構およびジブ起伏機構を備えたクレーン車
US4514939A (en) Extensible boom with manual section stored in base
US5115925A (en) Jib stretching and folding device for crane
CA2331105A1 (en) Anti-two block wire internal to crane telescopic boom
JPH082876A (ja) 多段伸縮ブームのホース保持構造
US3844418A (en) Telescoping jib assembly
JP7326043B2 (ja) 建設機械
JP2591572B2 (ja) ケーブル伸縮機構を備えた３段ブームの伸縮装置
JPH028952Y2 (enExample)
JP2550045Y2 (ja) 建設機械の伸縮アーム装置
JP2652374B2 (ja) 四段同時伸縮ブーム部分
JPS6011919Y2 (ja) フツクの格納装置
JP4849726B2 (ja) 伸縮ブーム装置
JPS5817094A (ja) 伸縮クレ−ンブ−ムにおける希望段数の伸縮自在調節装置
JP2018080045A (ja) ブーム固定ピン駆動機構
JP7110601B2 (ja) ジブ引込装置およびジブ引込方法