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JPS537070A - Process for detecting gripping of bucket for crane - Google Patents

Process for detecting gripping of bucket for crane

Info

Publication number
JPS537070A
JPS537070A JP8137876A JP8137876A JPS537070A JP S537070 A JPS537070 A JP S537070A JP 8137876 A JP8137876 A JP 8137876A JP 8137876 A JP8137876 A JP 8137876A JP S537070 A JPS537070 A JP S537070A
Authority
JP
Japan
Prior art keywords
bucket
crane
detecting
gripping
detecting gripping
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.)
Pending
Application number
JP8137876A
Other languages
Japanese (ja)
Inventor
Yasumasa Maruyama
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 Kiden Kogyo Ltd
Original Assignee
Hitachi Kiden Kogyo 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 Kiden Kogyo Ltd filed Critical Hitachi Kiden Kogyo Ltd
Priority to JP8137876A priority Critical patent/JPS537070A/en
Publication of JPS537070A publication Critical patent/JPS537070A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)

Abstract

PURPOSE: To provide a process for detecting easily and accurately the gripping of the bucket of a crane by detecting the completion of the closing operation of the bucket by detecting the load variation of the motor for opening and closing the bucket in response to the gripping operation of the bucket.
COPYRIGHT: (C)1978,JPO&Japio
JP8137876A 1976-07-07 1976-07-07 Process for detecting gripping of bucket for crane Pending JPS537070A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8137876A JPS537070A (en) 1976-07-07 1976-07-07 Process for detecting gripping of bucket for crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8137876A JPS537070A (en) 1976-07-07 1976-07-07 Process for detecting gripping of bucket for crane

Publications (1)

Publication Number Publication Date
JPS537070A true JPS537070A (en) 1978-01-23

Family

ID=13744629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8137876A Pending JPS537070A (en) 1976-07-07 1976-07-07 Process for detecting gripping of bucket for crane

Country Status (1)

Country Link
JP (1) JPS537070A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156991A (en) * 1981-03-24 1982-09-28 Sumitomo Heavy Industries Control system of grab bucket type crane
JPS57188784U (en) * 1981-05-28 1982-11-30
JPS57188785U (en) * 1981-05-28 1982-11-30
JPS59103031U (en) * 1982-12-27 1984-07-11 昭和電工株式会社 Heat recovery device for combustion gas containing dust

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836572B1 (en) * 1969-06-09 1973-11-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836572B1 (en) * 1969-06-09 1973-11-06

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156991A (en) * 1981-03-24 1982-09-28 Sumitomo Heavy Industries Control system of grab bucket type crane
JPS57188784U (en) * 1981-05-28 1982-11-30
JPS57188785U (en) * 1981-05-28 1982-11-30
JPS59103031U (en) * 1982-12-27 1984-07-11 昭和電工株式会社 Heat recovery device for combustion gas containing dust

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