本实用新型属于电机技术领域，涉及一种测试过盈配合对电机铁心轭部性能影响的装置，包括固定环、线圈环和调节环构成的用以模拟过盈配合的夹具，将定子铁心嵌入夹具内，并通过调节夹具开口大小可以得到多种过盈量。利用实验方法测量上述装置的磁化和损耗性能，可以得到不同过盈量对定子铁心轭部磁化和损耗性能的影响规律，为不同类型铁心过盈量的合理选取提供依据。本实用新型结构简单，操作方便，适用于推广应用。

The utility model belongs to the technical field of motors, and relates to a device for testing the influence of interference fit on the performance of a motor iron core yoke. The utility model includes a fixture composed of a fixed ring, a coil ring and an adjusting ring for simulating the interference fit. Inside, and by adjusting the size of the clamp opening, a variety of interference can be obtained. Using experimental methods to measure the magnetization and loss performance of the above device, the influence of different interference on the magnetization and loss performance of the stator core yoke can be obtained, which provides a basis for the reasonable selection of the interference of different types of cores. The utility model has simple structure and convenient operation, and is suitable for popularization and application.