JP4128529B2 - アラミド繊維のエレベータケーブルを試験する装置 - Google Patents
アラミド繊維のエレベータケーブルを試験する装置 Download PDFInfo
- Publication number
- JP4128529B2 JP4128529B2 JP2003529106A JP2003529106A JP4128529B2 JP 4128529 B2 JP4128529 B2 JP 4128529B2 JP 2003529106 A JP2003529106 A JP 2003529106A JP 2003529106 A JP2003529106 A JP 2003529106A JP 4128529 B2 JP4128529 B2 JP 4128529B2
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- Prior art keywords
- cable
- aramid fiber
- elevator
- signal
- receiver
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
-
- 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
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
-
- 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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic 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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
-
- 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
- G01N2203/022—Environment of the test
- G01N2203/0244—Tests performed "in situ" or after "in situ" use
-
- 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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
-
- 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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02827—Elastic parameters, strength or force
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/262—Linear objects
- G01N2291/2626—Wires, bars, rods
Landscapes
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
[発明の背景]
V2=E/ρ (式1)
ここで、V=波の伝播の速度、E=動的弾性率または音波弾性率(sonic modulus)、およびρ=密度である。引張弾性率および音波弾性率(acoustic modulus)はいずれも、疲労に伴い同じ割合で変化するため、観測された波の伝播の値から引張弾性率を計算することが可能である。E(弾性率)をFr(残留強度)に対してプロットする、E=f(Fr)であることがわかった。換言すると、弾性率(速度から求められる)と残留強度との間には定量化可能な関係がある。
[発明の概要]
[発明の詳細な説明]
Claims (12)
- エレベータを吊るし駆動するアラミド繊維ケーブルを検査して、該アラミド繊維ケーブルの残留強度を計算する装置であって、それにより前記ケーブルの交換が必要な時期を求める、検査および計算する装置であって、
前記アラミド繊維ケーブルの内部に音波を伝え、前記音波を伝えた時刻を示す第1の信号を供給する送信機と、
前記アラミド繊維ケーブルの内部を進む前記音波を受信し、前記音波を受信した時刻を示す第2の信号を供給する受信機と、
前記第1の信号および前記第2の信号を処理する手段であって、それにより前記アラミド繊維ケーブルを前記エレベータに取り付けたまま、前記ケーブルの残留強度を計算する手段と、
前記ケーブルの残留強度が所定の閾値未満になった場合に、前記アラミド繊維ケーブルの交換が必要であることを通知する通知手段と、を備える装置。 - 前記第1の信号および前記第2の信号を処理する手段は、前記送信機および前記受信機に接続されたエレベータ制御システムを含み、該制御システムは、前記第1の信号および前記第2の信号の時刻を処理することにより、前記音波の速度、前記ケーブルの弾性率、および前記ケーブルの残留強度を計算するプログラムおよび関連アルゴリズムを有する、請求項1に記載の装置。
- 前記送信機および受信機は、前記ケーブルに沿って異なる場所に配置される、請求項2に記載の装置。
- 前記送信機および受信機は、前記ケーブルに沿って同じ場所に配置される、請求項2に記載の装置。
- 前記送信機および受信機は1つのユニットを構成する、請求項2に記載の装置。
- エレベータシステムであって、
エレベータかご、該かごに接続されたエレベータを吊るすアラミド繊維ケーブル、前記かごを移動させるために前記ケーブルを移動させる駆動モータ、前記ケーブルの移動を導く1つまたは複数の綱車、および前記かごの重量と釣り合いを取るために前記ケーブルに連結された釣り合い重りと、
前記アラミド繊維ケーブルを検査して、該アラミド繊維ケーブルの残留強度を計算する装置であって、それにより前記ケーブルの交換が必要な時期を求める、検査および計算する装置であって、
前記アラミド繊維ケーブルの内部に進む音波を伝え、前記音波を送信した時刻を示す第1の信号を供給する送信機、
前記アラミド繊維ケーブルの内部を進む前記音波を受信し、進行中の前記音波を受信した時刻を示す第2の信号を供給する受信機、および
前記第1の信号および前記第2の信号を処理する手段であって、それにより前記アラミド繊維ケーブルを前記エレベータに取り付けたまま、前記ケーブルの残留強度を計算する手段と、
前記ケーブルの残留強度が所定の閾値未満になった場合に、前記アラミド繊維ケーブルの交換が必要であることを通知する通知手段と、を備える装置と、
を備えるエレベータシステム。 - 前記第1の信号および前記第2の信号を処理する手段は、前記送信機および前記受信機に接続されたエレベータ制御システムを含み、該制御システムは、前記第1の信号および前記第2の信号に基づいて、前記音波の速度、前記ケーブルの弾性率、ならびに前記ケーブルの残留強度を計算するプログラムおよび関連アルゴリズムを有する、請求項6に記載のエレベータシステム。
- 前記送信機および受信機は、前記ケーブルに沿って異なる場所に配置される、請求項7に記載のエレベータシステム。
- 前記送信機および受信機は、前記ケーブルに沿って同じ場所に配置され、前記音波は、前記送信機から前記綱車へ進み、反射して前記受信機へ戻る、請求項7に記載のエレベータシステム。
- 前記送信機および受信機は1つのユニットを構成する、請求項7に記載のエレベータシステム。
- 前記装置は、エレベータが稼動中であり、かつ該システム内の種々の場所にある際に、前記アラミド繊維ケーブルの長さにおいて異なるいくつかの部分の残留強度を計算するようになっている、請求項7に記載のエレベータシステム。
- 前記装置は、前記アラミド繊維ケーブルの異なるいくつかの部分の残留強度を段階的に計算するようになっており、それにより前記ケーブル全体を評価するようにする、請求項11に記載のエレベータシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/953,689 US6662660B2 (en) | 2001-09-17 | 2001-09-17 | Apparatus for testing aramid fiber elevator cables |
PCT/US2002/029241 WO2003025525A1 (en) | 2001-09-17 | 2002-09-13 | Apparatus for testing aramid fiber elevator cables |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005503552A JP2005503552A (ja) | 2005-02-03 |
JP4128529B2 true JP4128529B2 (ja) | 2008-07-30 |
Family
ID=25494397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003529106A Expired - Fee Related JP4128529B2 (ja) | 2001-09-17 | 2002-09-13 | アラミド繊維のエレベータケーブルを試験する装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6662660B2 (ja) |
EP (1) | EP1428000B1 (ja) |
JP (1) | JP4128529B2 (ja) |
WO (1) | WO2003025525A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6923065B2 (en) * | 2001-09-17 | 2005-08-02 | Thyssen Elevator Capital Corp. | Apparatus for testing aramid fiber elevator cables |
DE10340713B3 (de) * | 2003-09-04 | 2005-04-14 | Steag Ag | Verfahren zum Bestimmen der Restlebensdauer von Trossen |
BRPI0418601A (pt) * | 2004-03-16 | 2007-05-02 | Otis Elevator Co | método para modelar uma condição de um suporte de tração de elevador, sistema para determinar uma condição de um suporte de tração de elevador e controlador útil para determinar uma condição de um suporte de tração de elevador |
US7575371B1 (en) | 2004-11-11 | 2009-08-18 | Fieldmetrics, Inc | Temperature sensor and extensometer |
US20110192683A1 (en) * | 2007-08-17 | 2011-08-11 | Karl Weinberger | Elevator system with support means state detecting device and method for detecting a state of a support means |
EP2427758B1 (en) * | 2009-05-05 | 2019-07-31 | Actuant Corporation | Non-contact acoustic signal propagation property evaluation of synthetic fiber rope |
DE202011001846U1 (de) * | 2011-01-24 | 2012-04-30 | Liebherr-Components Biberach Gmbh | Vorrichtung zur Erkennung der Ablegereife eines hochfesten Faserseils beim Einsatz an Hebezeugen |
DE102011018535A1 (de) | 2011-04-26 | 2012-10-31 | Liebherr-Components Biberach Gmbh | Seilprüfstand |
DE102013014265A1 (de) * | 2013-08-27 | 2015-03-05 | Liebherr-Components Biberach Gmbh | Vorrichtung zur Erkennung der Ablegereife eines hochfesten Faserseils beim Einsatz an Hebezeugen |
GB201400967D0 (en) * | 2014-01-21 | 2014-03-05 | Parkburn Prec Handling Systems Ltd | Monitoring system |
WO2016040452A1 (en) * | 2014-09-11 | 2016-03-17 | Otis Elevator Company | Vibration-based elevator tension member wear and life monitoring system |
US9557300B2 (en) * | 2014-11-12 | 2017-01-31 | Halliburton Energy Services, Inc. | Wireline cable fatigue monitoring using thermally-induced acoustic waves |
KR101912352B1 (ko) * | 2016-11-22 | 2018-10-26 | 한국산업기술시험원 | 와이어로프 내구성 시험장치 |
DE102018123758A1 (de) * | 2018-06-28 | 2020-01-02 | Liebherr-Components Biberach Gmbh | Verfahren und Vorrichtung zum Einstellen der Ablegereifeerfassung hochfester Faserseile |
CN109855857B (zh) * | 2019-03-28 | 2023-12-15 | 青岛英派斯健康科技股份有限公司 | 钢索耐久性能测试机 |
CN110282523A (zh) * | 2019-07-12 | 2019-09-27 | 上海贝恩科电缆有限公司 | 高速梯随行电缆稳定及可靠性测试试验装置 |
CN113086808B (zh) * | 2021-04-30 | 2022-05-03 | 天津市滨海新区检验检测中心 | 电梯安全监测机构与系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US4295212A (en) * | 1980-01-28 | 1981-10-13 | The United States Of America As Represented By The Secretary Of The Navy | Linear acoustic array |
US4445593A (en) * | 1982-10-15 | 1984-05-01 | Siecor Corporation | Flat type feeder cable |
US4622853A (en) | 1985-08-23 | 1986-11-18 | Union Camp Corporation | Laser induced acoustic generation for sonic modulus |
US4979125A (en) * | 1987-11-20 | 1990-12-18 | Southwest Research Institute | Non-destructive evaluation of ropes by using transverse impulse vibrational wave method |
YU47190B (sh) | 1988-02-19 | 1995-01-31 | Institut Za Opštu I Fizičku Hemiju | Uredjaj za neinvazivno akustičko ispitivanje elastičnosti mekih bioloških materijala |
EP0515734B1 (en) * | 1991-05-27 | 1997-12-17 | Fokker Aircraft B.V. | A method of and an apparatus for frequency selective ultrasonic inspection of multi-layered structures |
US5456113A (en) | 1992-11-06 | 1995-10-10 | Southwest Research Institute | Nondestructive evaluation of ferromagnetic cables and ropes using magnetostrictively induced acoustic/ultrasonic waves and magnetostrictively detected acoustic emissions |
CA2169431C (en) | 1995-03-06 | 2005-07-12 | Claudio De Angelis | Equipment for recognising when synthetic fibre cables are ripe for being discarded |
SE9600989D0 (sv) * | 1996-03-15 | 1996-03-15 | Abb Research Ltd | Förfarande och anordning för rymdladdningsmätning i kablar med en pulsad elektroakustisk metod |
WO1999027360A1 (fr) * | 1997-11-21 | 1999-06-03 | Mitsubishi Cable Industries, Ltd. | Procede et dispositif de diagnostic de la deterioration d'un article presentant au moins une couche de couverture en materiau polymere organique |
-
2001
- 2001-09-17 US US09/953,689 patent/US6662660B2/en not_active Expired - Lifetime
-
2002
- 2002-09-13 WO PCT/US2002/029241 patent/WO2003025525A1/en active Application Filing
- 2002-09-13 JP JP2003529106A patent/JP4128529B2/ja not_active Expired - Fee Related
- 2002-09-13 EP EP02759686.5A patent/EP1428000B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1428000A4 (en) | 2007-08-22 |
US6662660B2 (en) | 2003-12-16 |
EP1428000B1 (en) | 2016-04-06 |
US20030052695A1 (en) | 2003-03-20 |
JP2005503552A (ja) | 2005-02-03 |
WO2003025525A1 (en) | 2003-03-27 |
EP1428000A1 (en) | 2004-06-16 |
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