JPS5389158A - Device for monitoring safety limit of crane with boom - Google Patents

Device for monitoring safety limit of crane with boom

Info

Publication number
JPS5389158A
JPS5389158A JP11235677A JP11235677A JPS5389158A JP S5389158 A JPS5389158 A JP S5389158A JP 11235677 A JP11235677 A JP 11235677A JP 11235677 A JP11235677 A JP 11235677A JP S5389158 A JPS5389158 A JP S5389158A
Authority
JP
Japan
Prior art keywords
boom
crane
safety limit
monitoring safety
monitoring
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
JP11235677A
Other languages
Japanese (ja)
Other versions
JPS5648437B2 (en
Inventor
Hisanori Uchino
Masatoshi Shinohara
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.)
Yokogawa Electric Corp
Tadano Ltd
Original Assignee
Hokushin Electric Works Ltd
Tadano Iron Works Co Ltd
Yokogawa Hokushin Electric Corp
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 Hokushin Electric Works Ltd, Tadano Iron Works Co Ltd, Yokogawa Hokushin Electric Corp filed Critical Hokushin Electric Works Ltd
Priority to JP11235677A priority Critical patent/JPS5389158A/en
Publication of JPS5389158A publication Critical patent/JPS5389158A/en
Publication of JPS5648437B2 publication Critical patent/JPS5648437B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)

Abstract

PURPOSE: To provide a simple, durable and reliable device for monitoring the safety limit of a crane with boom by mounting a stress detector for detecting the load of a piston rod of a tilting cylinder for telescopic boom.
COPYRIGHT: (C)1978,JPO&Japio
JP11235677A 1977-09-19 1977-09-19 Device for monitoring safety limit of crane with boom Granted JPS5389158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11235677A JPS5389158A (en) 1977-09-19 1977-09-19 Device for monitoring safety limit of crane with boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11235677A JPS5389158A (en) 1977-09-19 1977-09-19 Device for monitoring safety limit of crane with boom

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP4924171A Division JPS5145139B1 (en) 1971-07-06 1971-07-06

Publications (2)

Publication Number Publication Date
JPS5389158A true JPS5389158A (en) 1978-08-05
JPS5648437B2 JPS5648437B2 (en) 1981-11-16

Family

ID=14584635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11235677A Granted JPS5389158A (en) 1977-09-19 1977-09-19 Device for monitoring safety limit of crane with boom

Country Status (1)

Country Link
JP (1) JPS5389158A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675395A (en) * 1979-11-19 1981-06-22 Komatsu Mfg Co Ltd Safety device for crane

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844140U (en) * 1981-09-16 1983-03-24 本田技研工業株式会社 Positioning adjustment mechanism

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338091A (en) * 1965-05-17 1967-08-29 Newport News S & D Co Boom stress measurement and warning system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338091A (en) * 1965-05-17 1967-08-29 Newport News S & D Co Boom stress measurement and warning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675395A (en) * 1979-11-19 1981-06-22 Komatsu Mfg Co Ltd Safety device for crane

Also Published As

Publication number Publication date
JPS5648437B2 (en) 1981-11-16

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