Surveying instrument positioning device for surveying engineering

The utility model relates to the technical field of surveying and mapping engineering, in particular to a surveying and mapping instrument positioning device for surveying and mapping engineering, which comprises a fixing plate and a support, the support is slidably connected with the fixing plate, a positioning component is arranged on the fixing plate, and a mounting component is arranged on the inner side of the fixing plate. Then a first handle is rotated to drive a first threaded shaft to rotate, the first threaded shaft drives a second threaded shaft to rotate through a connecting shaft, the first threaded shaft and the second threaded shaft respectively drive a first sliding block to slide, and the first sliding block drives a positioning plate and a rubber protection pad to move to clamp the surveying instrument to position the surveying instrument; the surveying instrument can be protected under the action of a rubber protection pad and a protection spring, the surveying instrument is prevented from