To provide an attack angle measuring apparatus which can continuously measure attack angles using a simple structure.SOLUTION: An attack angle measuring apparatus comprises a wheel shaft 100 which has first and second wheels 110 mounted respectively on both ends of an axle 120, first phase detecting means 240 to detect an input position phase of a load applied to the first wheel by a first rail R, second phase detecting means 240 to detect an input position phase of a load applied to the second wheel by a second rail R and attack angle calculating means 260 which calculates an attack angle between the wheel shaft and a track on the basis of a phase deviation Δφ between load input position phases detected by the first and second phase detecting means.SELECTED DRAWING: Figure 7

    【課題】簡単な構成によりアタック角を連続的に測定可能なアタック角測定装置等を提供する。【解決手段】アタック角測定装置を、車軸120の両端部にそれぞれ設けられた第1、第2の車輪110を有する輪軸100と、第1の車輪への第1のレールRからの荷重入力箇所の位相を検出する第1の位相検出手段240と、第2の車輪への第2のレールRからの荷重入力箇所の位相を検出する第2の位相検出手段240と、第1、第2の位相検出手段が検出した荷重入力箇所の位相の偏差Δφに基づいて輪軸が軌道に対してなすアタック角を算出するアタック角算出手段260とを備える構成とする。【選択図】図7


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    Title :

    ATTACK ANGLE MEASURING APPARATUS AND ATTACK ANGLE MEASURING METHOD


    Additional title:

    アタック角測定装置、及び、アタック角測定方法


    Contributors:

    Publication date :

    2019-05-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61K Andere Hilfseinrichtungen für Eisenbahnen , OTHER AUXILIARY EQUIPMENT FOR RAILWAYS / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen



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