Sewage collection device for clinical test vehicle

The utility model discloses a sewage collecting device for a clinical test vehicle. The sewage collecting device comprises a sewage cabin, a sewage tank, a sewage pipe and a water pump, the sewage cabin comprises a cabin inner side wall body and a cabin outer side wall body; a supporting structure is arranged between the cabin inner side wall body and the cabin outer side wall body; the supporting structure comprises a supporting framework and a filling layer; the supporting framework comprises a main supporting frame and a connecting frame; the main supporting frame comprises a bottom transverse rod, a vertical rod and an upper transverse rod. The upper transverse rod is located above the bottom transverse rod, the lower end of the vertical rod is fixed to the bottom transverse rod, a first positioning structure is arranged between the vertical rod and the bottom transverse rod, the upper transverse rod is fixedly connected with the vertical rod, and a second positioning structure is arranged between the upp