Building design surveying and mapping device based on BIM technology

The utility model discloses a BIM technology-based surveying and mapping device for building design, and relates to the technical field of surveying and mapping equipment, the BIM technology-based surveying and mapping device comprises a device main body and an adjusting mechanism arranged on the outer wall of the device main body, and the adjusting mechanism comprises a rotating assembly; the rotating assembly comprises a worm, a worm gear and a rotating shaft, a supporting rod is rotatably connected to the bottom of the device body, and by arranging the rotating shaft, when the surveying and mapping device based on the BIM technology conducts surveying and mapping operation on building design, the surveying and mapping flexibility of the surveying and mapping device is improved; the complexity that an operator needs to carry the device to adjust the surveying and mapping direction is prevented, when the surveying and mapping direction needs to be adjusted, a rotary knob is rotated to drive a worm wheel to r