Visual triaxial rock seepage particle tracing speed measurement test device

The utility model provides a visual triaxial rock seepage particle tracing and speed measuring test device. The visual triaxial rock seepage particle tracing and speed measuring test device comprises a visual triaxial apparatus and a seepage particle tracing and speed measuring unit, the visual triaxial apparatus comprises a transparent rock test piece which is integrally cylindrical, and a sample fixing unit, the transparent rock test piece is fixed in the sample fixing unit, and the transparent rock test piece can be seen from the outside through the sample fixing unit; the pressurizing unit comprises an axial pressurizing module and a confining pressure pressurizing module which are respectively used for applying axial pressure and confining pressure to the transparent rock test piece; the seepage unit is used for injecting seepage liquid to the top of the transparent rock test piece and recovering the seepage liquid from the bottom of the transparent rock test piece, and tracer particles are added into th