JP7376813B2 - 緩み検出構造、緩み検出システム、および、緩み検出方法 - Google Patents

緩み検出構造、緩み検出システム、および、緩み検出方法 Download PDF

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Publication number
JP7376813B2
JP7376813B2 JP2021554528A JP2021554528A JP7376813B2 JP 7376813 B2 JP7376813 B2 JP 7376813B2 JP 2021554528 A JP2021554528 A JP 2021554528A JP 2021554528 A JP2021554528 A JP 2021554528A JP 7376813 B2 JP7376813 B2 JP 7376813B2
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Japan
Prior art keywords
bolt
loosening
steel plate
head
looseness
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JP2021554528A
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Japanese (ja)
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JPWO2021090468A1 (https=
Inventor
恵里 松永
直志 美濃谷
昌人 中村
昌幸 津田
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NTT Inc
NTT Inc USA
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Nippon Telegraph and Telephone Corp
NTT Inc USA
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
    • G01L5/243—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed using washers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G01L1/2231—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being disc- or ring-shaped, adapted for measuring a force along a single direction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
JP2021554528A 2019-11-08 2019-11-08 緩み検出構造、緩み検出システム、および、緩み検出方法 Active JP7376813B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/043797 WO2021090468A1 (ja) 2019-11-08 2019-11-08 緩み検出構造、緩み検出システム、および、緩み検出方法

Publications (2)

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JPWO2021090468A1 JPWO2021090468A1 (https=) 2021-05-14
JP7376813B2 true JP7376813B2 (ja) 2023-11-09

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JP2021554528A Active JP7376813B2 (ja) 2019-11-08 2019-11-08 緩み検出構造、緩み検出システム、および、緩み検出方法

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US (1) US11976993B2 (https=)
JP (1) JP7376813B2 (https=)
WO (1) WO2021090468A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113311026A (zh) * 2021-05-27 2021-08-27 宁夏海豚智能科技有限公司 螺栓松动检测系统及方法
CN115931204A (zh) * 2022-12-29 2023-04-07 安徽精亘机械科技有限公司 一种基于振荡电路的智慧螺栓预紧力测量装置
CN117823804B (zh) * 2023-12-14 2026-02-24 湖北三江航天江北机械工程有限公司 车载lng气瓶保护罩盖板及安装方法
CN120008790B (zh) * 2025-04-14 2025-06-24 北京交通大学 频率-应力映射的螺栓紧固状态无源无线检测装置及方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040073384A1 (en) 2002-10-15 2004-04-15 Kadner Steven P. Apparatus and method for measuring the torque applied to bolts
JP2004271399A (ja) 2003-03-10 2004-09-30 Railway Technical Res Inst 構造物外力検知装置、及び構造物の外力検知方法
JP2013210234A (ja) 2012-03-30 2013-10-10 Seiko Epson Corp 締め付け緩み検出センサー及び締め付け緩み検出システム
US20140190267A1 (en) 2013-01-09 2014-07-10 King Abdulaziz City For Science And Technology Fastener tension monitoring system
JP2014228465A (ja) 2013-05-24 2014-12-08 イナバゴム株式会社 締付固定部材の緩み検出装置
JP2015025477A (ja) 2013-07-24 2015-02-05 信弘 人見 螺子の点検用塗膜及び螺子の点検用塗膜の塗布方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6039523A (ja) 1983-08-12 1985-03-01 Yahata Tekko Kk 締結部の緩み検出方法
US4637391A (en) * 1986-04-03 1987-01-20 Schlein Allen P Surgical saw blade
JPH03114031A (ja) * 1989-09-28 1991-05-15 Toshiba Corp 有機非線形光学材料
JPH03114031U (https=) * 1990-03-08 1991-11-22
GB0525691D0 (en) * 2005-12-16 2006-01-25 Airbus Uk Ltd A fastener assembly
US10740577B2 (en) * 2016-07-12 2020-08-11 Palo Alto Research Center Incorporated Passive sensor tag system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040073384A1 (en) 2002-10-15 2004-04-15 Kadner Steven P. Apparatus and method for measuring the torque applied to bolts
JP2004271399A (ja) 2003-03-10 2004-09-30 Railway Technical Res Inst 構造物外力検知装置、及び構造物の外力検知方法
JP2013210234A (ja) 2012-03-30 2013-10-10 Seiko Epson Corp 締め付け緩み検出センサー及び締め付け緩み検出システム
US20140190267A1 (en) 2013-01-09 2014-07-10 King Abdulaziz City For Science And Technology Fastener tension monitoring system
JP2014228465A (ja) 2013-05-24 2014-12-08 イナバゴム株式会社 締付固定部材の緩み検出装置
JP2015025477A (ja) 2013-07-24 2015-02-05 信弘 人見 螺子の点検用塗膜及び螺子の点検用塗膜の塗布方法

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US11976993B2 (en) 2024-05-07
US20220390307A1 (en) 2022-12-08
JPWO2021090468A1 (https=) 2021-05-14
WO2021090468A1 (ja) 2021-05-14

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