Coarse-grained soil vertical seepage deformation instrument

The utility model discloses a coarse-grained soil vertical seepage deformation instrument, relates to the field of coarse-grained soil vertical seepage devices, solves the problem that the existing coarse-grained soil vertical seepage deformation instrument is inconvenient to install and use, and adopts the following scheme that the coarse-grained soil vertical seepage deformation instrument comprises an instrument, a lower sample cylinder, an upper sample cylinder and a flange plate, a push rod motor is installed between the lower end of the sleeve and the instrument, supporting plates are arranged on the periphery of the lower sample cylinder in an array mode and fixedly connected to the instrument, square grooves are symmetrically formed in flange plates at the ends, close to each other, of the lower sample cylinder and the upper sample cylinder, and a square box is arranged in each square groove in a sleeved mode; the square boxes are fixedly connected with the supporting plates on the corresponding sides