The utility model discloses a caliper survey appearance pushes away subassembly by spring coupling, including final drive pole, coupling assembling, four sets of spring unit and fixed jump ring piece, wherein: the inner wall fixed connection of coupling assembling and caliper survey appearance, the final drive pole passes coupling assembling's center, spring unit includes spring beam, snap ring, spring and bush, and four spring beams are at the evenly distributed and parallel with the final drive pole all around of final drive pole, and the right -hand member of spring beam passes coupling assembling, and the middle part of spring beam is formed with a step, snap ring, spring and bush in proper order from spring beam left end cover on the spring beam and the spring with the snap ring pressure on the step, fixed jump ring piece cover is on the final drive pole, and four bushes are through fixed jump ring piece and final drive pole fixed connection. Through the utility model discloses the reliability that can keep the persistence of gage beam atress, the log information who ensures the tight wall of a well of gage beam subsides acquisition accuracy, assurance instrument job stabilization nature and well logging quality.