Relay protection test device for intelligent substation

The utility model relates to the technical field of transformer substation relay protection, in particular to an intelligent transformer substation relay protection test device which comprises a protective shell, a supporting frame is installed at the bottom of the inner side wall of the protective shell, a first miniature spring is fixedly installed between the supporting frame and the protective shell, and two supporting sliding rods are movably arranged in the protective shell. A test device body is movably arranged in the protective shell and located above the supporting frame. The micro spring II is compressed and deformed through the supporting sliding rod, when the U-shaped pull rod moves to the position above the supporting sliding rod, the micro spring II pops up the supporting sliding rod, at the moment, the U-shaped pull rod is erected on the supporting sliding rod, the test device body is suspended, and the test device body is designed to be capable of ascending and descending in the protective sh