Foldable and portable measuring rod for surveying and mapping

The utility model relates to the technical field of foldable and portable measuring rods for surveying and mapping, and discloses a foldable and portable measuring rod for surveying and mapping, which comprises a supporting disc, and three groups of erecting mechanisms for supporting the supporting disc are uniformly mounted at the bottom of the supporting disc; the supporting disc is provided with an alignment mechanism facilitating measurement. Each set of erecting mechanism comprises a folding assembly, a supporting assembly and a fixing assembly, the folding assemblies are installed at the bottom end of the supporting disc, the supporting assemblies are detachably connected to the folding assemblies, the fixing assemblies are installed on the folding assemblies, and through the arranged erecting mechanisms, the three supporting rods are arranged in a triangular frame shape; the clamping blocks can be disassembled or not disassembled during disassembly, the supporting rods can rotate along with the splicin