To provide an abnormality detection system which can accurately detect an abnormality of a wheel support bearing, and can prevent a malfunction caused by cable wiring, and the lowering of work efficiency.SOLUTION: An abnormality detection system (1) for a wheel support bearing comprises: a bearing (3) for rotatably supporting an axle (23) of a wheel; a sensor unit (5) having a sensor holder (27) fixed to an inner ring (13) being a fixed-side member of the bearing (3), and accommodating a sensor (25) for use to detect abnormality of the bearing (3); and an abnormality determination device (7) having a casing (39) attached to a flange (37) of the axle (23). The system further comprises electrical connection means (9) for electrically connecting the sensor unit (5) and the abnormality determination device (7) being an electrical connection device (9) which is constituted so as to be relatively displaceable between the sensor holder (27) and the casing (39).SELECTED DRAWING: Figure 1
【課題】車輪支持軸受の異常検知を高精度に行えるとともに、ケーブル配線による不具合や作業効率の低下を防止できる異常検知システムを提供する。【解決手段】車輪の車軸(23)を回転可能に支持する軸受(3)と、前記軸受(3)の固定側部材である内輪(13)に固定されて前記軸受(3)の異常検知に用いられるセンサ(25)を収容するセンサホルダ(27)を有するセンサユニット(5)と、前記車軸(23)のフランジ(37)に取り付けられたケーシング(39)を有する異常判定装置(7)とを備える車輪支持軸受用異常検知システム(1)において、前記センサユニット(5)と前記異常判定装置(7)とを電気的に接続する電気的接続手段(9)であって、前記センサホルダ(27)と前記ケーシング(39)との間で相対変位可能に構成された電気的接続手段(9)を設ける。【選択図】図1
ABNORMALITY DETECTION SYSTEM FOR WHEEL SUPPORT BEARING
車輪支持軸受用異常検知システム
14.10.2022
Patent
Elektronische Ressource
Japanisch
ABNORMALITY DETECTION METHOD AND ABNORMALITY DETECTION DEVICE FOR WHEEL ROLLING BEARING
Europäisches Patentamt | 2018
|Europäisches Patentamt | 2024
|Europäisches Patentamt | 2016
|