Engineering cost budgeting tool box based on BIM model

The invention discloses a BIM model-based engineering cost budgeting toolbox, which comprises a lifting mechanism, the lifting mechanism comprises a box body, a lifting plate is arranged below the box body, a lifting groove is formed in the lower end of the box body, four threaded rods are arranged in the lifting groove, threaded sleeves are arranged outside the four threaded rods in a threaded sleeving manner, and the threaded sleeves are connected with the lifting plate. The upper ends of the four threaded sleeves are rotationally connected with the inner side wall of the lifting groove, the two threaded sleeves located on the front side and the rear side are in transmission connection through a transmission mechanism, a rotating rod is rotationally connected into the lifting groove, and the rotating rod is in transmission connection with the two threaded sleeves located on the front side and the rear side through a gear set. And the rear end of the rotating rod rotationally penetrates through the box body