To provide a wire rope inspection device that can detect a condition of a wire rope even when the wire rope undergoes an aging change.SOLUTION: A wire rope inspection device 100 comprises: a differential coil 10 that detects a change in magnetic flux of a wire rope W; and a control unit 21 that detects a condition of the wire rope W on the basis of a differential at an almost same position between a reference signal serving as a reference preliminarily acquired by the differential coil 10, and a measurement signal acquired by the differential coil 10 in a measurement after the reference signal is acquired. Then, in accordance with an aging change of the wire rope since the reference signal is acquired, the reference signal is configured to be interchangeable.SELECTED DRAWING: Figure 2
【課題】ワイヤロープが経時変化した場合でも、ワイヤロープの状態を検出することが可能なワイヤロープ検査装置を提供する。【解決手段】このワイヤロープ検査装置100では、ワイヤロープWの磁束の変化を検知する差動コイル10と、予め差動コイル10により取得された基準となる基準信号と、基準信号が取得された後の測定において差動コイル10により取得された測定信号との略同じ位置における差分に基づいて、ワイヤロープWの状態を検知する制御部21とを備える。そして、基準信号が取得されてからのワイヤロープの経時変化に応じて、基準信号が入れ替えられるように構成されている。【選択図】図2
WIRE ROPE INSPECTION DEVICE, WIRE ROPE INSPECTION SYSTEM AND WIRE ROPE INSPECTION METHOD
ワイヤロープ検査装置、ワイヤロープ検査システムおよびワイヤロープ検査方法
2022-02-10
Patent
Electronic Resource
Japanese
WIRE ROPE INSPECTION DEVICE, WIRE ROPE INSPECTION SYSTEM, AND WIRE ROPE INSPECTION METHOD
European Patent Office | 2021
|WIRE ROPE INSPECTION DEVICE, WIRE ROPE INSPECTION SYSTEM, AND WIRE ROPE INSPECTION METHOD
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|WIRE ROPE INSPECTION DEVICE, WIRE ROPE INSPECTION SYSTEM, AND WIRE ROPE INSPECTION METHOD
European Patent Office | 2022
|WIRE ROPE INSPECTION DEVICE, WIRE ROPE INSPECTION SYSTEM, AND WIRE ROPE INSPECTION METHOD
European Patent Office | 2022
|Wire rope inspection device, wire rope inspection system, and wire rope inspection method
European Patent Office | 2022
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