Adjustable box type structure for heat insulation test research

The invention belongs to the technical field of aero-engines, and particularly relates to an adjustable box type structure for heat insulation test research, which comprises a side wall and a partition plate, the partition plate and the upper half section of the side wall form an upper mounting space with an upward opening, and the partition plate and the lower half section of the side wall form a lower mounting space with a downward opening; the heating device can be vertically and movably mounted in the lower mounting space, and an air filling cavity with the adjustable height is formed between the lower cover plate and the partition plate; the upper cover plate is vertically and movably mounted in the upper mounting space, a height-adjustable thermal insulation material filling cavity is formed between the upper cover plate and the partition plate, and the thermal insulation material filling cavity is filled with an internal thermal insulation material; the thermal insulation material filling cavity is pro