Portable drawing storage barrel for surveying and mapping geographic information

The utility model discloses a portable drawing storage cylinder for surveying and mapping geographic information, which comprises a circular bottom column, a storage column is welded at the top of the circular bottom column, winding mechanisms are arranged in the circular bottom column and the storage column, and an auxiliary groove is formed in the front side of the storage column; the winding mechanism comprises a braking type assembly and a rotating type assembly, the braking type assembly comprises a slow rotating type miniature forward and reverse rotation motor, a connecting rod and a circular tooth block, and the slow rotating type miniature forward and reverse rotation motor is welded to the inner wall of the bottom of the interior of a circular bottom column; one end, close to the output end of the slow-rotation type micro forward and reverse rotation motor, of the connecting rod is welded with the output end of the slow-rotation type micro forward and reverse rotation motor, so that the problem that