JPS60253693A - 場所打杭用拡底掘削具の拡底量検出装置 - Google Patents

場所打杭用拡底掘削具の拡底量検出装置

Info

Publication number
JPS60253693A
JPS60253693A JP10762784A JP10762784A JPS60253693A JP S60253693 A JPS60253693 A JP S60253693A JP 10762784 A JP10762784 A JP 10762784A JP 10762784 A JP10762784 A JP 10762784A JP S60253693 A JPS60253693 A JP S60253693A
Authority
JP
Japan
Prior art keywords
stroke
bottom expansion
cable
bit
drill
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
JP10762784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0235837B2 (enrdf_load_stackoverflow
Inventor
網代　秀一
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 JP10762784A priority Critical patent/JPS60253693A/ja
Publication of JPS60253693A publication Critical patent/JPS60253693A/ja
Publication of JPH0235837B2 publication Critical patent/JPH0235837B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP10762784A 1984-05-29 1984-05-29 場所打杭用拡底掘削具の拡底量検出装置 Granted JPS60253693A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10762784A JPS60253693A (ja) 1984-05-29 1984-05-29 場所打杭用拡底掘削具の拡底量検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10762784A JPS60253693A (ja) 1984-05-29 1984-05-29 場所打杭用拡底掘削具の拡底量検出装置

Publications (2)

Publication Number Publication Date
JPS60253693A true JPS60253693A (ja) 1985-12-14
JPH0235837B2 JPH0235837B2 (enrdf_load_stackoverflow) 1990-08-14

Family

ID=14463979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10762784A Granted JPS60253693A (ja) 1984-05-29 1984-05-29 場所打杭用拡底掘削具の拡底量検出装置

Country Status (1)

Country Link
JP (1) JPS60253693A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63526A (ja) * 1986-06-18 1988-01-05 Katsumi Kitanaka 拡底坑掘削機用拡底坑計測装置
JP2018096200A (ja) * 2016-12-14 2018-06-21 ハム アーゲーＨａｍｍ ＡＧ 建設機械
JP2018193786A (ja) * 2017-05-18 2018-12-06 株式会社長谷工コーポレーション 掘削孔の拡径装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54901U (enrdf_load_stackoverflow) * 1977-06-06 1979-01-06
JPS5820044A (ja) * 1981-07-30 1983-02-05 Fujitsu Ltd スタツフ同期方式

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54901U (enrdf_load_stackoverflow) * 1977-06-06 1979-01-06
JPS5820044A (ja) * 1981-07-30 1983-02-05 Fujitsu Ltd スタツフ同期方式

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63526A (ja) * 1986-06-18 1988-01-05 Katsumi Kitanaka 拡底坑掘削機用拡底坑計測装置
JP2018096200A (ja) * 2016-12-14 2018-06-21 ハム アーゲーＨａｍｍ ＡＧ 建設機械
US10508391B2 (en) 2016-12-14 2019-12-17 Hamm Ag Construction machine
JP2018193786A (ja) * 2017-05-18 2018-12-06 株式会社長谷工コーポレーション 掘削孔の拡径装置

Also Published As

Publication number Publication date
JPH0235837B2 (enrdf_load_stackoverflow) 1990-08-14

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