PROBLEM TO BE SOLVED: To provide an abnormality detection method which can detect stepped wear generated at a pantograph slider 11 at high accuracy without a fail even if speeds of detection objective vehicles are largely different from one another.SOLUTION: Lateral tension applied to a curve-line pull-off metal fitting 45 for supporting a trolley line T which slides with a pantograph P to a rail orthogonal direction is measured, and when at least one of the following cases is established, it is determined that there is a possibility of the occurrence of an abnormality at the pantograph P. (A) The case that an absolute value of the lateral tension before removing a high-frequency vibration component from the measured lateral tension exceeds a threshold tv11. (B) The case that an absolute value of the lateral tension after removing the high-frequency vibration component from the measured lateral tension exceeds a threshold tv12.SELECTED DRAWING: Figure 1
【課題】 パンタグラフすり板11に発生する段付摩耗を、検知対象車両の速度が大きく異なる場合にも、洩れなく高い精度で検知できる異常検知方法を提供する。【解決手段】パンタグラフPとしゅう動するトロリ線Tをレール直角方向に支持する曲線引金具45にかかる横張力を測定し、以下の少なくとも一つが成立する場合に、パンタグラフPに異常可能性有りと判定する。(A)測定した横張力から高周波の振動成分を取り除く前の横張力の絶対値が閾値tv11を超える場合、(B)測定した前記横張力から高周波の振動成分を取り除いた後の横張力の絶対値が閾値tv12を超える場合。【選択図】図1
PANTOGRAPH ABNORMALITY DETECTION METHOD AND DETECTION DEVICE
パンタグラフ異常検知方法及び検知装置
2017-09-28
Patent
Elektronische Ressource
Japanisch
PANTOGRAPH ABNORMALITY DETECTION METHOD AND DETECTION DEVICE
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