JP4421655B2 - 棒部材の長さ測定システム - Google Patents
棒部材の長さ測定システム Download PDFInfo
- Publication number
- JP4421655B2 JP4421655B2 JP2008021083A JP2008021083A JP4421655B2 JP 4421655 B2 JP4421655 B2 JP 4421655B2 JP 2008021083 A JP2008021083 A JP 2008021083A JP 2008021083 A JP2008021083 A JP 2008021083A JP 4421655 B2 JP4421655 B2 JP 4421655B2
- Authority
- JP
- Japan
- Prior art keywords
- contact
- bar member
- guard rail
- length
- measurement
- 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.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H5/00—Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
- G01N29/046—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks using the echo of particles imparting on a surface; using acoustic emission of particles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
そこで、本発明の目的は、埋設された棒部材の長さを測定することができる測定システムを提供することにある。
2 キャップ
3 ガードレール支柱
10 ハンマー
20 受振子(加速度センサまたは速度センサ)
30 信号処理部
40a、40b、40c 取り付け具
41 ボルト・ナット
42 ロック・クランプ
43 ヒンジ
44 接触子
45 スペーサ
46 磁石
50 連結ケーブル
51 マイク端子連結ケーブル
60 表示部
Claims (1)
- 長さ方向の一部が埋設される円形断面の棒部材の露出部分における側面に円周にわたって取り付けられる円形の帯状部材と、
前記棒部材の側面の円周にわたって線接触するように、前記棒部材の側面に面する前記帯状部材の内面側に取り付けられる線状の接触子と、
前記帯状部材の外面側に固定され、前記棒部材に与えられた衝撃により発生する弾性波を前記接触子及び前記帯状部材を介して検出する受振子と、
前記受振子の出力信号から求められる共振周波数に基づいて、前記棒部材の長さを測定する信号処理部とを備えることを特徴とする測定システム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008021083A JP4421655B2 (ja) | 2008-01-31 | 2008-01-31 | 棒部材の長さ測定システム |
KR1020080031271A KR100973215B1 (ko) | 2008-01-31 | 2008-04-03 | 측정 시스템 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008021083A JP4421655B2 (ja) | 2008-01-31 | 2008-01-31 | 棒部材の長さ測定システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009180652A JP2009180652A (ja) | 2009-08-13 |
JP4421655B2 true JP4421655B2 (ja) | 2010-02-24 |
Family
ID=41034737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008021083A Expired - Fee Related JP4421655B2 (ja) | 2008-01-31 | 2008-01-31 | 棒部材の長さ測定システム |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4421655B2 (ja) |
KR (1) | KR100973215B1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102175413B (zh) * | 2011-01-21 | 2013-06-05 | 西南交通大学 | 铁路道岔横向冲击测试装置 |
DE102011100370B4 (de) * | 2011-05-03 | 2020-01-09 | Bundesanstalt für Wasserbau | Verfahren zur zerstörungsfreien Untersuchung eines Pollers auf Schäden oder auf dessen Verankerungsfestigkeit |
CN103335617B (zh) * | 2013-06-19 | 2015-12-02 | 清华大学 | 一种基于振动信号的铁路钢轨几何形变检测方法 |
CN103438848A (zh) * | 2013-09-09 | 2013-12-11 | 成都思晗科技有限公司 | 输电线路弧垂监测方法 |
JP7124701B2 (ja) * | 2016-10-25 | 2022-08-24 | 日本電気株式会社 | 判定装置、判定システム、判定方法及びプログラム |
JP7164953B2 (ja) * | 2017-03-29 | 2022-11-02 | 西日本高速道路エンジニアリング中国株式会社 | 防護柵の非破壊診断方法 |
KR102525221B1 (ko) * | 2017-12-28 | 2023-05-16 | 주식회사 선익시스템 | 증착막 두께 측정 모듈에서 너트를 이용한 신호접속부의 결합구조 |
CN108517746B (zh) * | 2018-04-12 | 2020-01-14 | 北京航空航天大学 | 移动式护栏智能巡检平台 |
CN109357643B (zh) * | 2018-11-09 | 2020-09-15 | 山东省交通科学研究院 | 一种护栏立柱埋深无损检测方法及装置 |
CN111827245A (zh) * | 2020-06-08 | 2020-10-27 | 江苏筑升土木工程科技有限公司 | 一种基于冲击映像法的道路基层病害评价方法 |
CN117233008B (zh) * | 2023-11-09 | 2024-01-23 | 交通运输部公路科学研究所 | 一种公路护栏的刚度检测装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0545340A (ja) * | 1991-08-13 | 1993-02-23 | Toshiba Corp | 超音波信号検出装置 |
JP3519381B2 (ja) * | 2001-06-29 | 2004-04-12 | 株式会社青木建設 | 弾性波を利用したコンクリートポールの非破壊診断方法 |
-
2008
- 2008-01-31 JP JP2008021083A patent/JP4421655B2/ja not_active Expired - Fee Related
- 2008-04-03 KR KR1020080031271A patent/KR100973215B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2009180652A (ja) | 2009-08-13 |
KR100973215B1 (ko) | 2010-07-30 |
KR20090084622A (ko) | 2009-08-05 |
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