Test device for simulating ion migration in concrete under stray current

The utility model discloses a test device for simulating ion migration in concrete under stray current, and the device comprises a solution container which is provided with an inner cavity for storinga conductive solution, and a liquid outlet which is arranged on the side wall of the solution container and is communicated with the inner cavity, the outer surface of the side wall is provided witha test block mounting part for fixing the test block and sealing and plugging the liquid outlet by the test block; a solution end electrode is also arranged and is in contact with the conductive solution in the inner cavity; the test block end electrode is arranged opposite to the test block mounting part, the test block is located between the test block end electrode and the test block mounting part, and the test block end electrode is in conduction connection with the test block; two ends of the power supply are respectively connected with the solution end electrode and the test block end electrode through leads to f