JP2016141329A - 鉄道車両用台車の板バネの状態監視装置 - Google Patents
鉄道車両用台車の板バネの状態監視装置 Download PDFInfo
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- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/20—Investigating the presence of flaws
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- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
- B61F15/20—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
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- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
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Abstract
Description
E1F,E2F,E1R,E2R 監視用の電極対
1 台車
6,7 車輪
10 板バネ
10a 中央部
10b,10c 端部
10d,10e 中間部
10f 側端面
11,12 軸箱
17 押圧部材
30 状態監視装置
31 第1繊維強化樹脂層
32 第2繊維強化樹脂層
41 中央電極要素対
42,43 両側電極要素対
51 測定部(測定器)
52 補正部(補正器)
53 判定部(判定器)
Claims (8)
- 鉄道車両用台車に搭載されて導電性の強化繊維を含有する繊維強化樹脂を有する板バネであって、前記強化繊維が前記板バネの長手方向に延びた強化繊維を有する前記板バネの状態を監視する装置において、
前記板バネの長手方向及び板厚方向に直交する幅方向の両側の側端面に前記板バネを挟んで設けられた電極対と、
前記電極対に電気的に接続され、前記板バネの電気的特性を測定する測定器と、を備える、鉄道車両用台車の板バネの状態監視装置。 - 前記電極対は、前記板バネの第1繊維強化樹脂層と、前記板バネの前記第1繊維強化樹脂層よりも前記幅方向に流れる電流に対する電気抵抗が小さい第2繊維強化樹脂層との間の剥離を検出するために、前記第1繊維強化樹脂層の前記幅方向の両側の側端面に設けられる、請求項1に記載の鉄道車両用台車の板バネの状態監視装置。
- 前記測定器で測定される前記電気的特性の値が所定の閾値を超えたことを判定する判定器を更に備える、請求項1又は2に記載の鉄道車両用台車の板バネの状態監視装置。
- 前記電極対は、前記板バネのうち前記台車の横梁の車幅方向の端部により上方から押圧される中央部と前記台車の軸箱により下方から支持される端部との間の中間領域に設けられている、請求項1乃至3のいずれか1項に記載の鉄道車両用台車の板バネの状態監視装置。
- 前記電極対は、前記板バネの前記中間領域のうち前記中央部よりも相対的に肉厚が減少した前記端部に近い位置に設けられている、請求項4に記載の鉄道車両用台車の板バネの状態監視装置。
- 前記電極対は、電圧測定用の中央電極要素対と、前記板バネの長手方向における前記中央電極要素対の両側に配置された給電用の両側電極要素対とを含み、
前記両側電極要素対は、定電流を供給する電源に接続され、
前記測定器は、前記中央電極要素対の電圧に基づいて前記板バネの電気的特性を測定する、請求項1乃至5のいずれか1項に記載の鉄道車両用台車の板バネの状態監視装置。 - 前記測定器で測定された値を補正する補正器を更に備え、
主電極対及び副電極対の各々が、前記電極対として、前記板バネに設けられ、
前記副電極対は、前記主電極対が設けられた部位よりも前記板バネの弾性変形時における応力が小さい部位に設けられ、
前記補正部は、前記主電極対に流れる電流に基づいて測定された主電気的特性の値から、前記副電極対に流れる電流に基づいて測定された副電気的特性の値を引くことで、前記主電気的特性の値を補正する、請求項1乃至6のいずれか1項に記載の鉄道車両用台車の板バネの状態監視装置。 - 前記測定器で測定された値を補正する補正器を更に備え、
第1電極対及び第2電極対の各々が、前記電極対として、鉄道車両の長手方向に向くように前記台車に搭載された前記板バネに設けられ、
前記第1電極対は、前記台車の進行方向前方の車輪側に配置され、前記第2電極対は、前記台車の進行方向後方の車輪側に配置され、
前記補正部は、
車両長手方向における前記前方の車輪の中心と前記後方の車輪の中心との間の距離を前記車両の走行速度で割って得られる遅れ時間の分、前記第1電極対に流れる電流に基づいて測定された第1電気的特性の時系列データの時間軸を前記第2電極対に流れる電流に基づいて測定された第1電気的特性の時系列データの時間軸に対して相対的に遅れ側にオフセットし、
前記第1電気的特性の時系列データから前記第2電気的特性の時系列データを引くことで、前記第1電気的特性の値を補正する、又は、前記第2電気的特性の時系列データから前記第1電気的特性の時系列データを引くことで、前記第2電気的特性の値を補正する、請求項1乃至6のいずれか1項に記載の鉄道車両用台車の板バネの状態監視装置。
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JP2015020124A JP6506564B2 (ja) | 2015-02-04 | 2015-02-04 | 鉄道車両用台車の板バネの状態監視装置 |
KR1020177023234A KR101967332B1 (ko) | 2015-02-04 | 2016-01-25 | 철도 차량용 대차의 판 스프링 상태 감시 장치 |
CN201680008291.6A CN107207018B (zh) | 2015-02-04 | 2016-01-25 | 铁道车辆用转向架的板簧的状态监视装置 |
EP16746282.9A EP3254925B1 (en) | 2015-02-04 | 2016-01-25 | Device for monitoring state of plate spring in railroad vehicular carriage |
PCT/JP2016/000343 WO2016125448A1 (ja) | 2015-02-04 | 2016-01-25 | 鉄道車両用台車の板バネの状態監視装置 |
US15/548,798 US10964131B2 (en) | 2015-02-04 | 2016-01-25 | State monitoring device for plate spring of railcar bogie |
SG11201706168SA SG11201706168SA (en) | 2015-02-04 | 2016-01-25 | State monitoring device for plate spring of railcar bogie |
TW105102787A TWI602727B (zh) | 2015-02-04 | 2016-01-29 | State monitoring device for leaf spring of trolley for railway vehicles |
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JP2015020124A JP6506564B2 (ja) | 2015-02-04 | 2015-02-04 | 鉄道車両用台車の板バネの状態監視装置 |
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JP2016141329A5 JP2016141329A5 (ja) | 2018-02-01 |
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EP (1) | EP3254925B1 (ja) |
JP (1) | JP6506564B2 (ja) |
KR (1) | KR101967332B1 (ja) |
CN (1) | CN107207018B (ja) |
SG (1) | SG11201706168SA (ja) |
TW (1) | TWI602727B (ja) |
WO (1) | WO2016125448A1 (ja) |
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JP6595904B2 (ja) * | 2015-12-25 | 2019-10-23 | 川崎重工業株式会社 | 鉄道車両用軸箱及びその製造方法 |
DE102017111790B4 (de) * | 2017-05-30 | 2020-12-17 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren und Vorrichtung zum Erkennen von Fehlstellen in Fasergelegen |
EP3896442A4 (en) * | 2019-01-15 | 2022-01-26 | Yamaha Hatsudoki Kabushiki Kaisha | INTERNAL AND VEHICLE STATE DETECTION DEVICE |
JP7099637B2 (ja) * | 2019-07-25 | 2022-07-12 | 日本製鉄株式会社 | 検査システム、検査方法、およびプログラム |
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KR20190007170A (ko) * | 2017-07-12 | 2019-01-22 | 현대자동차주식회사 | 복합재 리프스프링의 교체시기 알림장치 |
KR102390877B1 (ko) | 2017-07-12 | 2022-04-26 | 현대자동차주식회사 | 복합재 리프스프링의 교체시기 알림장치 |
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EP3254925B1 (en) | 2021-04-14 |
WO2016125448A1 (ja) | 2016-08-11 |
CN107207018B (zh) | 2020-05-01 |
KR101967332B1 (ko) | 2019-04-09 |
EP3254925A4 (en) | 2018-09-12 |
TWI602727B (zh) | 2017-10-21 |
SG11201706168SA (en) | 2017-08-30 |
KR20170107504A (ko) | 2017-09-25 |
TW201639736A (zh) | 2016-11-16 |
US10964131B2 (en) | 2021-03-30 |
JP6506564B2 (ja) | 2019-04-24 |
EP3254925A1 (en) | 2017-12-13 |
US20180033222A1 (en) | 2018-02-01 |
CN107207018A (zh) | 2017-09-26 |
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