Movable electric heating test device for building fire

The utility model discloses a building fire movable electric heating test device which comprises a test piece, an electric heating box body is arranged outside the test piece, and the top and the bottom of the test piece both penetrate out of the electric heating box body; the electric heating box body comprises a shell and a heat insulation layer in the shell, a cable box is arranged at the top of the electric heating box body, and a supporting platform is fixedly arranged at the bottom of the electric heating box body; the heat insulation layer forms a hearth surrounding a test piece in the electric heating box body, a thermocouple penetrating out of the top end of the electric heating box body is arranged in the hearth, electric heating rods are arranged on the inner end faces, surrounding the test piece, of the heat insulation layer, and heat insulation plates for equally dividing the hearth are detachably arranged on the heat insulation layer between the electric heating rods; and one end, opposite to th