Plotting instrument for building

The utility model discloses a plotting instrument for building, which belongs to the technical field of plotting instruments and comprises a base and a workbench, the workbench is fixedly connected to the top of the base, a support is arranged on the top of the workbench, an adjusting mechanism is fixedly connected between the workbench and the support and comprises a threaded rod and a sliding block, and the threaded rod is fixedly connected with the sliding block. And the sliding blocks are connected to the outer side walls of the threaded rods in a threaded mode, the sliding blocks are connected between the supports on the two sides in a sliding mode, the top of the base is fixedly connected with a winding mechanism, and the winding mechanism comprises a winding drum. According to the plotting instrument for the building, through mutual cooperation of the positioning columns, the wheels, the fixing frame, the second motor, the winding barrel, the positioning groove and the positioning plate, the effect tha