Building pile driver with positioning mechanism

The utility model discloses a building pile driver with a positioning mechanism, and relates to the technical field of pile driving equipment. The building pile driver with the positioning mechanism comprises a supporting plate, a supporting assembly and a positioning assembly, a mounting frame is fixedly mounted at the top of the supporting plate, a pile driving column is arranged on the mounting frame, the supporting assembly is arranged on the supporting plate and comprises a supporting rod, a supporting bottom plate and a limiting nail, and the supporting rod is fixedly mounted at the bottom of the supporting plate. A supporting bottom plate is fixedly installed at the bottom of the supporting rod, and a limiting nail is fixedly installed at the bottom of the supporting bottom plate and used for improving the stability of the supporting plate and the supporting rod during working. According to the building pile driver with the positioning mechanism, through cooperative use of a motor base, a driving motor