A state determination device is provided with: a holding mechanism for holding reference information of magnetic characteristics at a predetermined position around a flange part provided to a hub unit bearing; an acquisition means for acquiring measurement information of magnetic characteristics at the predetermined position of the hub unit bearing; a derivation means for deriving the amount of change between the reference information held by the holding means and the measurement information acquired by the acquisition means; and a determination means for determining the state of the hub unit bearing on the basis of the amount of change derived by the derivation means, the predetermined position being a position at which the magnetic characteristics vary with the change in stress with respect to the flange part.
一种状态判定装置,具有:保持机构,其保持轮毂单元轴承所具备的凸缘部的周边的规定位置的磁特性的基准信息;获取机构,其获取所述轮毂单元轴承的所述规定位置的磁特性的测定信息;导出机构,其导出由所述保持机构保持的基准信息与由所述获取机构获取的测定信息的变化量;以及判定机构,其基于由所述导出机构导出的变化量,判定所述轮毂单元轴承的状态,所述规定的位置是磁特性随着相对于所述凸缘部的应力变化而变动的位置。
Hub unit bearing state determination device, hub unit bearing state determination method, program, and hub unit bearing
轮毂单元轴承的状态判定装置、轮毂单元轴承的状态判定方法、程序及轮毂单元轴承
2022-09-23
Patent
Elektronische Ressource
Chinesisch
IPC: | F16C SHAFTS , Wellen / B60B VEHICLE WHEELS , Räder für Fahrzeuge / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES |
Europäisches Patentamt | 2023
|Europäisches Patentamt | 2023
|Europäisches Patentamt | 2021
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