JPS59203193A - シ−ルド掘削機の方向検出装置 - Google Patents

シ−ルド掘削機の方向検出装置

Info

Publication number
JPS59203193A
JPS59203193A JP20643083A JP20643083A JPS59203193A JP S59203193 A JPS59203193 A JP S59203193A JP 20643083 A JP20643083 A JP 20643083A JP 20643083 A JP20643083 A JP 20643083A JP S59203193 A JPS59203193 A JP S59203193A
Authority
JP
Japan
Prior art keywords
shield
angle
detection device
receiving plate
light beam
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
JP20643083A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0329958B2 (fr
Inventor
西亀　達夫
寺田　正治
川瀬　泰裕
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.)
Fudo Tetra Corp
Original Assignee
Fudo Construction 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 Fudo Construction Co Ltd filed Critical Fudo Construction Co Ltd
Priority to JP20643083A priority Critical patent/JPS59203193A/ja
Publication of JPS59203193A publication Critical patent/JPS59203193A/ja
Publication of JPH0329958B2 publication Critical patent/JPH0329958B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP20643083A 1983-10-31 1983-10-31 シ−ルド掘削機の方向検出装置 Granted JPS59203193A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20643083A JPS59203193A (ja) 1983-10-31 1983-10-31 シ−ルド掘削機の方向検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20643083A JPS59203193A (ja) 1983-10-31 1983-10-31 シ−ルド掘削機の方向検出装置

Publications (2)

Publication Number Publication Date
JPS59203193A true JPS59203193A (ja) 1984-11-17
JPH0329958B2 JPH0329958B2 (fr) 1991-04-25

Family

ID=16523244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20643083A Granted JPS59203193A (ja) 1983-10-31 1983-10-31 シ−ルド掘削機の方向検出装置

Country Status (1)

Country Link
JP (1) JPS59203193A (fr)

Also Published As

Publication number Publication date
JPH0329958B2 (fr) 1991-04-25

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