PROBLEM TO BE SOLVED: To provide a rope inspection device capable of inspecting degradation on a wire rope of an elevator at high SN ratio.SOLUTION: A rope inspection device 1100 includes: an oscillation coil (1) and an oscillation coil (2) each of which generates AC magnetic field opposite from each other; a plurality of receiving coils (1) to (16) which disposed in an intermediate area or adjacent thereto being shifted in a circumferential direction of a wire rope as an inspection object: and a switching section that switches the operation of the plural receiving coils (1) to (16).SELECTED DRAWING: Figure 8
【課題】高SN比で、エレベータ等のワイヤロープの劣化を検査することを課題とする。【解決手段】ロープ検査装置1100は、互いに逆向きの交流磁場を発生する発振コイル(1)、発振コイル(2)と、それらの中間またはその近傍に検査対象のワイヤロープの周方向にずらして配置された複数の受信コイル(1)〜(16)と、複数の受信コイル(1)〜(16)の動作を切り替える切替部と、を備える。【選択図】図8
ROPE INSPECTION DEVICE AND ROPE INSPECTION SYSTEM
ロープ検査装置、および、ロープ検査システム
2017-01-19
Patent
Electronic Resource
Japanese
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