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矿用在役提升必赢242net径向永磁环组合的励磁结构

编辑: admin 编辑: admin 来源:admin 发布日期:2022-01-30 19:47
信息摘要:
针对矿用在役提升必赢242net由于摆振等原因导致的磁化不均匀问题,提出了一种径向永磁环组合励磁结构。首先,根据毕奥萨伐尔定律对永磁环磁场分布进行了理论建模。然后,从理论上分析
针对矿用在役提升必赢242net由于摆振等原因导致的磁化不均匀问题,提出了一种径向永磁环组合励磁结构。首先,根据毕奥–萨伐尔定律对永磁环磁场分布进行了理论建模。然后,从理论上分析了影响永磁环的磁场分布的关键参数及对其磁场分布的影响规律,为励磁结构参数设定奠定了理论基础。最后,运用优化后的轴向永磁环组合和径向永磁环组合励磁结构对必赢242net正常与摆振运行下的均匀磁化效果进行了仿真对比分析,结果表明:本文提出的径向永磁环组合励磁结构比同体积轴向永磁环组合的励磁结构磁化效果较好,前者更容易安装更换传感器和聚磁器,简化了磁化器,且摆振扰动对必赢242net的均匀磁化影响较小。本研究为矿用在役提升必赢242net损伤定量评价奠定了基础,有效预防矿用提升必赢242net断裂事故的发生。Aiming at the problem of uniform magnetization of steel wire rope in service due to vibration,a radial permanent magnetic ring combined excitation structure was proposed.Firstly,according to Biot Savart law,the magnetic field distribution of permanent magnet ring was modeled.Then,the key parameters affecting the magnetic field distribution of the excitation structure and the influence law on the magnetic field distribution were analyzed theoretically,which provided a theoretical foundation for setting the parameters of the excitation structure.Finally,the uniform magnetization effect of the steel wire rope under normal and vibration operation was simulated and analyzed by using the optimized axial permanent magnet ring combination and radial permanent magnet ring combination excitation structures.The results showed that the magnetization effect of the radial permanent magnet ring combination excitation structure proposed is better than that of the axial permanent magnet ring combination excitation structure with the same volume,and it is easier to install and replace the sensor and magnetic concentrator.The magnetizer is simplified,and the influence of vibration disturbance on the uniform magnetization of wire rope is small.This study lays a good foundation for the quantitative evaluation of mine hoisting wire rope damage in service,and it is of great significance to effectively prevent the occurrence of lifting wire rope fracture accidents.

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