Rainfall device for similar simulation of rock and soil

The utility model provides a rainfall device for similar simulation of rock and soil, belongs to the technical field of geotechnical engineering tests, and aims to solve the problems that a rainfall frame of an existing rainfall device for similar simulation of rock and soil is large in size, poor in rainfall simulation effect, difficult in timed rainfall, inconvenient to fold and unfold after a test is finished, large in occupied space and low in cost. The device comprises a detachable support, the detachable support is of a rectangular frame structure, and a sliding ring is arranged below a transverse rod of the detachable support; a water separation curtain is arranged at the upper position between the vertical rods of the detachable bracket; a water receiving tarpaulin is arranged at the lower position between the vertical rods of the detachable bracket; a scale barrel is arranged on the right side of the detachable bracket; and a water guide pipe is arranged on the scale barrel. According to the utility