Concrete freezing and thawing test device

The utility model discloses a concrete freezing and thawing test device, and belongs to the technical field of concrete freezing and thawing tests. The concrete freezing and thawing test device comprises a base, wherein a test box and a water collecting box are arranged on the base; one end of the water supply assembly is communicated with the interior of the test box, and the other end of the water supply assembly is communicated with the interior of the water collection box; the placing part is movably arranged on the base, the placing part can move between an entering position close to the test box and a leaving position far away from the test box, the placing part is used for placing a concrete test block, and the placing part is connected with the test box; and the freezing and thawing assembly is arranged on the base, and the freezing and thawing assembly is used for freezing and thawing water in the placing part. By means of the water supply assembly and the freezing and thawing assembly, only one devi