To provide a method for detecting an abnormality instantly and inexpensively, even when an abnormality is generated in a trolley wire on a spot separated from a trolley wire pick-up point such as a railroad crossing.SOLUTION: A strain gage 61 is mounted of a pull-off metal fitting 21 for supporting a trolley wire 11 in a crosstie direction, and force applied to the pull-off metal fitting 21 is measured. It is determined that there is a possibility of an abnormality in a trolley wire, when the measured force is over an upper limit threshold or below a lower limit threshold.SELECTED DRAWING: Figure 1
【課題】 踏切などの電車線引留点から離れた地点において電車線に異常が生じた場合にも、即座にかつ安価に、この異常を検知する方法を提供する。【解決手段】 トロリ線11をまくらぎ方向に支持する曲線引金具21に歪ゲージ61を取り付け、曲線引金具21に作用する力を測定する。測定した力が上限閾値を超えたとき、あるいは、下限閾値を下回ったときなどに、電車線に異常可能性有りと判定する。【選択図】 図1
TROLLEY WIRE ABNORMALITY DETECTION METHOD AND DETECTION DEVICE
電車線異常検知方法及び検知装置
2019-08-01
Patent
Electronic Resource
Japanese
IPC: | B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES |
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