PROBLEM TO BE SOLVED: To provide a wheel/rail contact position measuring method capable of measuring a contact position/a contact width between each wheel and a rail at a low cost, and to provide a device for measuring the wheel/rail contact position.SOLUTION: A wheel/rail contact position measuring method includes: a step of bonding a metal foil of which an adhesive surface has insulation property to a rail surface in a specified geometric pattern; a step of constituting a circuit for causing an electrical signal to flow, between the metal foil and the rail; a step of detecting a contact of the wheel with a time change of a circuit characteristic (for example, a voltage amplitude between the metal foil and the rail) caused because the metal foil and the rail are electrically short-circuited by the wheel; a step of successively recording a change of the circuit characteristic with a time by using a recording device such as a data logger; and a step of determining a contact position/a contact width of the wheel/the rail by causing the time of a change of the recorded circuit characteristic to correspond to the geometric pattern of the metal foil.SELECTED DRAWING: Figure 1
【課題】個々の車輪とレールの接触位置・接触幅を安価に計測することができる車輪・レール接触位置計測方法およびその装置を提供する。【解決手段】車輪・レール接触位置計測方法は、接着面が絶縁性を有する金属箔を特定の幾何パターンでレール表面に接着するステップ、金属箔とレールの間に電気信号を流す回路を構成するステップ、金属箔とレールが車輪により電気的に短絡されることによる回路特性(たとえば金属箔とレール間の電圧振幅)の時間変化を以って、車輪の接触を検知するステップ、回路特性の変化をデータロガー等の記録装置で時間と共に逐次記録するステップ、および、記録された回路特性の変化の時間と金属箔の幾何パターンを対応づけることによって、車輪・レールの接触位置・接触幅を求めるステップからなる。【選択図】図1
WHEEL/RAIL CONTACT POSITION MEASURING METHOD AND DEVICE FOR THE SAME
車輪・レール接触位置計測方法およびその装置
2016-04-25
Patent
Elektronische Ressource
Japanisch
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