Simulated rotating tool of underground instrument while drilling

The utility model relates to the technical field of underground while-drilling precision instrument testing in oil and gas field drilling operation. The simulation rotation tool comprises a test platform, a left mounting frame, a driving shaft, a driving mechanism, a right mounting frame, a connecting mechanism, a via hole sliding ring and a processing unit, and the left mounting frame and the right mounting frame capable of fixing the downhole instrument while drilling are fixedly mounted on the upper side of the middle of the test platform in a left-right spaced mode. The device is reasonable and compact in structure; manufacturing method, the underground instrument while drilling can simulate underground rotation through the driving mechanism; the left mounting frame and the right mounting frame can coaxially and fixedly mount the downhole instrument while drilling and the slip ring shaft together; by arranging the cable passing channel, signals can be smoothly output to the processing unit in the testing