Mountain city three-dimensional geological modeling device based on BIM

The utility model relates to the technical field of three-dimensional geological modeling, and provides a mountain city three-dimensional geological modeling device based on BIM, which comprises a modeling integration seat, a modeling computer and a projection screen display, and is characterized in that the modeling integration seat is provided with a protection groove for embedding the modeling computer and a mounting groove for embedding the projection screen display; the modeling device further comprises a driving mechanism used for driving the modeling computer to stretch out of the protection groove and driving the projection screen displayer to stretch out of the installation groove. According to the utility model, modeling products can be displayed in time, the modeling effect can be demonstrated, and the model teaching aid is convenient to carry and use, has good protection capability on a modeling computer and a projection screen display, and can be flexibly unfolded and folded; the use state can be