Building monitoring device based on BIM technology

The utility model provides a building monitoring device based on BIM technology, including base and raise dust detector, the central position of top outer wall of base is provided with the circular groove, the circular groove is rotatingly connected with the vertical shaft through the bearing, the top end of vertical shaft is fixedly connected with the support column, the top end of support column is fixedly connected with the end plate, the end plate is fixedly connected with the end plate, and the end plate is fixedly connected with the base. A top column is fixedly connected to the outer wall of the top of the end plate, a display part of the dust detector is fixed to the outer wall, close to the top end, of the top column through bolts, a top strip is fixedly connected to the top end of the top column, and a detection part of the dust detector is fixed to the position, close to the end, of the outer wall of the top of the top strip through bolts. And a cleaning mechanism is arranged at the display part of