摘要：【中文】本发明公开了一种多功能转子故障实验装置，涉及实验装置技术领域，包括：底座、变频电机、变频器和易拆轴承座，所述底座和所述变频器均固定设置，所述变频电机固定设置在所述底座上，所述变频器与所述变频电机电连接，用于改变所述变频电机的转速，所述易拆轴承座可拆卸连接于所述底座上，所述易拆轴承座用于放置待测转子，所述变频电机输出端通过联轴器与所述待测转子连接，用于驱动所述待测转子转动，从而解决了现有装置无法研究不同长度的转子在不同转速下的故障问题的技术问题，本发明能够适应不同长度的待测转子，并能够改变待测转子的运行速度，达到研究不同长度的转子在不同转速下的故障问题的目的。 【EN】The invention discloses a multifunctional rotor fault experimental device, relating to the technical field of experimental devices and comprising the following components: the device comprises a base, a variable frequency motor, a frequency converter and an easily-detachable bearing seat, wherein the base and the frequency converter are fixedly arranged, the variable frequency motor is fixedly arranged on the base, the frequency converter is electrically connected with the variable frequency motor and used for changing the rotating speed of the variable frequency motor, the easily-detachable bearing seat is detachably connected to the base and used for placing a rotor to be tested, the output end of the variable frequency motor is connected with the rotor to be tested through a coupler and used for driving the rotor to be tested to rotate, and therefore the technical problem that the existing device cannot research the fault problems of the rotors with different lengths at different rotating speeds is solved.

摘要：【中文】本发明提供了一种基于磁信号的Cr‑Ni‑Fe合金蠕变损伤早期及失效临界状态的判断与预警方法，包括矫顽力测量、获得Cr‑Ni‑Fe合金的磁信号特征发展规律曲线、获得优化的Cr‑Ni‑Fe合金磁信号特征规律曲线以及识别和判断Cr‑Ni‑Fe合金的是否已经发生早期蠕变损伤或高温损伤是否进入失效前期的临界状态；本发明能够在不破坏被检测单元的情况下，确定是否发生蠕变损伤，是否已经进入失效临界状态，以提醒生产人员提前做出合理的检维修计划或更换计划，最大程度降低高温损伤失效所带来的安全风险，满足了实际应用中高温失效临界状态诊断和检维修计划报警提醒的需要。 【EN】The invention provides a method for judging and early warning the early creep damage and the failure critical state of a Cr-Ni-Fe alloy based on a magnetic signal, which comprises the steps of measuring the coercive force, obtaining a magnetic signal characteristic development rule curve of the Cr-Ni-Fe alloy, obtaining an optimized magnetic signal characteristic rule curve of the Cr-Ni-Fe alloy and identifying and judging whether the Cr-Ni-Fe alloy has early creep damage or whether high-temperature damage enters the failure critical state; the invention can determine whether creep damage occurs or not and whether the state is in a failure critical state or not without damaging the detected unit so as to remind production personnel to make a reasonable maintenance plan or replacement plan in advance, thereby reducing the safety risk caused by high-temperature damage failure to the maximum extent and meeting the requirements of high-temperature failure critical state diagnosis and maintenance plan alarm reminding in practical application.