Model barrel device for indoor vacuum preloading model test

The invention relates to a model barrel device for an indoor vacuum preloading model test. The model barrel device comprises a barrel cover, a bottom plate and a model barrel body, wherein the model barrel body is made of transparent materials, a first flange and a second flange are respectively arranged at an upper end opening and a lower end opening of the model barrel body, the first flange is connected with the barrel cover, and the second flange is connected with the bottom plate in a sealed mode; the bottom plate and the model barrel body form a cavity for containing a soil body; a vacuum film is arranged on the upper end of the model barrel body, and the outer edge of the vacuum film is tightly pressed between the first flange and the barrel cover; a vacuum meter hole, a pore water pressure sensor hole and a vacuum pump connecting pipe hole are formed in the upper wall surface of the model barrel body in a penetrating mode, a first rubber plug and a second rubber plug are respectively arranged in the v