JPS5481603A - Device of detecting diameter of expanded bottom of excavator - Google Patents

Device of detecting diameter of expanded bottom of excavator

Info

Publication number
JPS5481603A
JPS5481603A JP14809777A JP14809777A JPS5481603A JP S5481603 A JPS5481603 A JP S5481603A JP 14809777 A JP14809777 A JP 14809777A JP 14809777 A JP14809777 A JP 14809777A JP S5481603 A JPS5481603 A JP S5481603A
Authority
JP
Japan
Prior art keywords
excavator
expanded bottom
detecting diameter
detecting
diameter
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
JP14809777A
Other languages
Japanese (ja)
Other versions
JPS5616277B2 (en
Inventor
Yasuaki Ishikawa
Shiyuuichi Ajiro
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 Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP14809777A priority Critical patent/JPS5481603A/en
Publication of JPS5481603A publication Critical patent/JPS5481603A/en
Publication of JPS5616277B2 publication Critical patent/JPS5616277B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP14809777A 1977-12-12 1977-12-12 Device of detecting diameter of expanded bottom of excavator Granted JPS5481603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14809777A JPS5481603A (en) 1977-12-12 1977-12-12 Device of detecting diameter of expanded bottom of excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14809777A JPS5481603A (en) 1977-12-12 1977-12-12 Device of detecting diameter of expanded bottom of excavator

Publications (2)

Publication Number Publication Date
JPS5481603A true JPS5481603A (en) 1979-06-29
JPS5616277B2 JPS5616277B2 (en) 1981-04-15

Family

ID=15445170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14809777A Granted JPS5481603A (en) 1977-12-12 1977-12-12 Device of detecting diameter of expanded bottom of excavator

Country Status (1)

Country Link
JP (1) JPS5481603A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61186617A (en) * 1985-02-13 1986-08-20 Konoike Constr Ltd Method of managing execution of excavation of spread bottom drive-in-place pile
JPH01290891A (en) * 1988-05-16 1989-11-22 Takenaka Komuten Co Ltd Earth auger
JPH01299992A (en) * 1988-05-27 1989-12-04 Nippon Sharyo Seizo Kaisha Ltd Expanded bottom detecting device for drilling system
JPH0254888U (en) * 1988-10-15 1990-04-20
JPH02120495A (en) * 1988-10-28 1990-05-08 Raito Kogyo Co Ltd Measure for drill rod in boring machine
JP2008150834A (en) * 2006-12-15 2008-07-03 Mitani Sekisan Co Ltd Pile hole drilling head, and method for checking position of drilling arm of it
JP2008156992A (en) * 2006-12-26 2008-07-10 Jfe Steel Kk Excavation device and device for determination of state of expanding blade upon construction of foundation pile
JP2013227766A (en) * 2012-04-25 2013-11-07 Mitsubishi Materials Corp Excavating tool

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61221990A (en) * 1985-03-28 1986-10-02 アンリツ株式会社 Coin selection circuit
JPS62173585A (en) * 1986-01-27 1987-07-30 三洋電機株式会社 Coin identifier
JPH01123389A (en) * 1987-11-06 1989-05-16 Sanyo Electric Co Ltd Coin identifier

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61186617A (en) * 1985-02-13 1986-08-20 Konoike Constr Ltd Method of managing execution of excavation of spread bottom drive-in-place pile
JPH047439B2 (en) * 1985-02-13 1992-02-10 Konoikegumi Kk
JPH01290891A (en) * 1988-05-16 1989-11-22 Takenaka Komuten Co Ltd Earth auger
JPH01299992A (en) * 1988-05-27 1989-12-04 Nippon Sharyo Seizo Kaisha Ltd Expanded bottom detecting device for drilling system
JPH0254888U (en) * 1988-10-15 1990-04-20
JPH02120495A (en) * 1988-10-28 1990-05-08 Raito Kogyo Co Ltd Measure for drill rod in boring machine
JP2008150834A (en) * 2006-12-15 2008-07-03 Mitani Sekisan Co Ltd Pile hole drilling head, and method for checking position of drilling arm of it
JP2008156992A (en) * 2006-12-26 2008-07-10 Jfe Steel Kk Excavation device and device for determination of state of expanding blade upon construction of foundation pile
JP2013227766A (en) * 2012-04-25 2013-11-07 Mitsubishi Materials Corp Excavating tool

Also Published As

Publication number Publication date
JPS5616277B2 (en) 1981-04-15

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