Device and method for testing reliability of superconducting magnet

A superconducting magnet reliability testing device disclosed by the present invention comprises a vacuum container, a superconducting switch, a magnet supporting unit and a displacement sensor unit, the vacuum container is composed of a vacuum container cavity, a vacuum container cover plate and an integrated terminal butt flange, and the superconducting switch is composed of a skeleton, a non-inductive superconducting coil and an electric conduction and heat conduction bridge. The magnet supporting unit is composed of a force source magnet, a magnet frame, a magnet current lead, an epoxy support, a supporting side plate and a magnet upper pressing plate. The displacement sensor unit is composed of a sensor array, a sensor pressing block and a sensor supporting rod. The invention further discloses a testing method. The device has the advantages of being simple in structure, uniform in force load loading, convenient to adjust, high in testing efficiency and the like. 本发明公开了一种超导磁体可靠性测试装置，包括真空容器，超导开关，磁体支撑单元和位移传