JPH0166014U - - Google Patents

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Publication number
JPH0166014U
JPH0166014U JP1987161731U JP16173187U JPH0166014U JP H0166014 U JPH0166014 U JP H0166014U JP 1987161731 U JP1987161731 U JP 1987161731U JP 16173187 U JP16173187 U JP 16173187U JP H0166014 U JPH0166014 U JP H0166014U
Authority
JP
Japan
Prior art keywords
small
center line
transparent
pipe
planned
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
JP1987161731U
Other languages
English (en)
Other versions
JPH055447Y2 (ja
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 filed Critical
Priority to JP1987161731U priority Critical patent/JPH055447Y2/ja
Publication of JPH0166014U publication Critical patent/JPH0166014U/ja
Application granted granted Critical
Publication of JPH055447Y2 publication Critical patent/JPH055447Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Length Measuring Devices By Optical Means (AREA)

Description

【図面の簡単な説明】
第１図は、本考案による測量装置を示す縦断面
説明図。第２図は、第１図の矢視Ａ〜Ａ断面図。
第３図は、ターゲツト支持部詳細断面図。第４図
は、測定方法を示す縦断面説明図を示す。 なお、図中４はガイドピン。７はターゲツトガ
イド。９は固定板取付け壁。１１は当板を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 地中に布設された小口径管路の計画中心線との
    相違を計測する装置において、等辺多角形または
    円形より構成される保護カバー５内の前部に、測
    定管路１４の計画中心線上に下端にウエイト３を
    装備した透明又は半透明なターゲツト１２を前後
    に設けられた透明な支持板２の中央の支持軸６に
    て回転および前後傾斜可能に支持した装置と、前
    記保護カバー５内の後部に、測定管路１４の計画
    中心線上にＣＣＤを搭載の小口径用管内検査カメ
    ラ８を２ケ所に設けた固定盤１０により連結した
    装置とを備えたことを特徴とする小口径管路用測
    量装置。
JP1987161731U 1987-10-21 1987-10-21 Expired - Lifetime JPH055447Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987161731U JPH055447Y2 (ja) 1987-10-21 1987-10-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987161731U JPH055447Y2 (ja) 1987-10-21 1987-10-21

Publications (2)

Publication Number Publication Date
JPH0166014U true JPH0166014U (ja) 1989-04-27
JPH055447Y2 JPH055447Y2 (ja) 1993-02-12

Family

ID=31444930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987161731U Expired - Lifetime JPH055447Y2 (ja) 1987-10-21 1987-10-21

Country Status (1)

Country Link
JP (1) JPH055447Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11304430A (ja) * 1998-04-24 1999-11-05 Tobishima Corp 地盤変位測定装置
JP2025120608A (ja) * 2024-02-05 2025-08-18 大豊建設株式会社 直線精度測定装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938595U (ja) * 1982-09-02 1984-03-12 石川島播磨重工業株式会社 管埋設装置におけるタ−ゲツト装置
JPS5972015A (ja) * 1982-10-19 1984-04-23 Nippon Steel Corp 掘進方位傾斜連続監視装置
JPS6230107U (ja) * 1985-03-27 1987-02-23
JPS62157514A (ja) * 1985-12-28 1987-07-13 Sanwa Kizai Co Ltd 小口径管埋設推進機の変位量の計測装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938595U (ja) * 1982-09-02 1984-03-12 石川島播磨重工業株式会社 管埋設装置におけるタ−ゲツト装置
JPS5972015A (ja) * 1982-10-19 1984-04-23 Nippon Steel Corp 掘進方位傾斜連続監視装置
JPS6230107U (ja) * 1985-03-27 1987-02-23
JPS62157514A (ja) * 1985-12-28 1987-07-13 Sanwa Kizai Co Ltd 小口径管埋設推進機の変位量の計測装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11304430A (ja) * 1998-04-24 1999-11-05 Tobishima Corp 地盤変位測定装置
JP2025120608A (ja) * 2024-02-05 2025-08-18 大豊建設株式会社 直線精度測定装置
JP2025120945A (ja) * 2024-02-05 2025-08-18 大豊建設株式会社 直線精度測定装置

Also Published As

Publication number Publication date
JPH055447Y2 (ja) 1993-02-12

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