JP7026901B2 - 打撃装置および固有周波数測定装置 - Google Patents
打撃装置および固有周波数測定装置 Download PDFInfo
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- JP7026901B2 JP7026901B2 JP2018011638A JP2018011638A JP7026901B2 JP 7026901 B2 JP7026901 B2 JP 7026901B2 JP 2018011638 A JP2018011638 A JP 2018011638A JP 2018011638 A JP2018011638 A JP 2018011638A JP 7026901 B2 JP7026901 B2 JP 7026901B2
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- JP
- Japan
- Prior art keywords
- weight
- force detector
- striking device
- system including
- natural frequency
- 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.)
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- 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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0039—Hammer or pendulum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0482—Chucks, fixtures, jaws, holders or anvils comprising sensing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0688—Time or frequency
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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 Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
12 固定側つかみ具
13 ロードセル
14 テーブル
51 移動部材
52 テーパ部
53 ピストン
54 テーパ部
61 鋼球
62 アーム
63 支軸
64 支持部
66 永久磁石
67 支持板
68 支持部
70 マグネットスタンド
71 支柱
90 演算部
91 FFT変換部
92 表示部
100 試験片
Claims (5)
- 材料試験機に使用する力検出器を含む系の固有周波数を計測するために使用される打撃装置であって、
支軸を中心に揺動可能なアームと、
前記アームの支軸とは逆側の端部に配設された重りと、
前記重りを待機高さ位置で固定するとともに、前記待機高さ位置での固定を解除することにより前記重りを前記アームの揺動に伴って前記待機高さ位置から円弧状に落下させる重り固定機構と、を備え、
前記力検出器を含む系を、前記重りにより、前記材料試験機による材料試験時の試験力の負荷方向と平行する方向に向けて打撃することを特徴とする打撃装置。 - 請求項1に記載の打撃装置において、
前記力検出器を含む系は、前記力検出器と、この力検出器に接続されたつかみ具と、を含み、
前記重りは前記つかみ具を打撃する打撃装置。 - 請求項2に記載の打撃装置において、
前記支軸と、前記重り固定機構とは、鉛直方向に立設された支柱に対して昇降可能に配設される打撃装置。 - 請求項1から請求項3のいずれかに記載の打撃装置において、
前記重りは磁性体から構成され、
前記重り固定機構は、前記重りを磁力により前記待機高さ位置で固定する磁石を備える打撃装置。 - 請求項1から請求項4のいずれかに記載の打撃装置と、
前記重りにより前記力検出器を含む系を打撃したときの前記力検出器の出力信号に基づいて、前記力検出器を含む系の固有周波数を演算する演算部と、
を備えたことを特徴とする固有周波数測定装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018011638A JP7026901B2 (ja) | 2018-01-26 | 2018-01-26 | 打撃装置および固有周波数測定装置 |
CN201811366115.7A CN110082199A (zh) | 2018-01-26 | 2018-11-16 | 打击装置及固有频率测定装置 |
EP18212070.9A EP3517928B1 (en) | 2018-01-26 | 2018-12-12 | Natural frequency measuring device and method of measuring a natural frequency of a system |
US16/248,809 US10969312B2 (en) | 2018-01-26 | 2019-01-16 | Striking device and natural frequency measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018011638A JP7026901B2 (ja) | 2018-01-26 | 2018-01-26 | 打撃装置および固有周波数測定装置 |
Publications (2)
Publication Number | Publication Date |
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JP2019128314A JP2019128314A (ja) | 2019-08-01 |
JP7026901B2 true JP7026901B2 (ja) | 2022-03-01 |
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JP2018011638A Active JP7026901B2 (ja) | 2018-01-26 | 2018-01-26 | 打撃装置および固有周波数測定装置 |
Country Status (4)
Country | Link |
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US (1) | US10969312B2 (ja) |
EP (1) | EP3517928B1 (ja) |
JP (1) | JP7026901B2 (ja) |
CN (1) | CN110082199A (ja) |
Families Citing this family (3)
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WO2021049049A1 (ja) * | 2019-09-13 | 2021-03-18 | 株式会社島津製作所 | 引張試験機、及び引張試験機の制御方法 |
CN111366482B (zh) * | 2020-03-27 | 2023-04-11 | 山西采薇集能科技有限公司 | 一种动态高速加载弹射装置 |
CN113029491B (zh) * | 2021-03-13 | 2023-09-01 | 质与实验室(深圳)有限公司 | 一种高端制造产品质量检测随机击打设备 |
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- 2018-11-16 CN CN201811366115.7A patent/CN110082199A/zh active Pending
- 2018-12-12 EP EP18212070.9A patent/EP3517928B1/en active Active
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- 2019-01-16 US US16/248,809 patent/US10969312B2/en active Active
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US20040074283A1 (en) | 2002-06-14 | 2004-04-22 | Withnall Christopher R.P. | Method and apparatus for testing football helmets |
JP2004033626A (ja) | 2002-07-05 | 2004-02-05 | Yokohama Rubber Co Ltd:The | ゴルフクラブヘッドの剛性分布測定方法およびゴルフクラブ |
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Also Published As
Publication number | Publication date |
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EP3517928B1 (en) | 2023-11-29 |
US10969312B2 (en) | 2021-04-06 |
EP3517928A2 (en) | 2019-07-31 |
JP2019128314A (ja) | 2019-08-01 |
CN110082199A (zh) | 2019-08-02 |
EP3517928A3 (en) | 2019-08-07 |
US20190234846A1 (en) | 2019-08-01 |
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