Surveying and mapping instrument support with stable structure for measurement and mapping

The utility model belongs to the field of surveying and mapping instrument supports, and particularly relates to a surveying and mapping instrument support with a stable structure, which is used for measurement and mapping and comprises a supporting column, an adjusting mechanism is fixedly connected to the outer wall of the supporting column and comprises a fixing plate, a rotating block, a long column and a clamping block, the outer wall of the fixing plate is movably connected with the rotating block, and the long column is connected with the clamping block. The outer wall of the rotating block is fixedly connected with a long column; the bottom of the supporting column is placed and fixed by holding the supporting column, meanwhile, the periphery of the supporting column is unfolded for use, during operation, an internal adjusting mechanism can be held for use, an internal long column and a clamping block can be directly held for unfolding, internal supporting columns are in butt joint and fixed, the supp