| abstract |
A kind of special shockproof support device of surveying instrument, the objective table and three detachable supporting legs of support objective table for being used to place surveying instrument including one, the bottom of supporting leg is detachably provided with Shockproof base by bolt, the Shockproof base includes a rubber bush, rubber spacer is provided in the middle part of rubber bush to be divided into upper space and lower space in rubber bush, the identical obturator of structure is symmetrically arranged in upper space and lower space, obturator includes the circular seal disk of a closing rubber bush port and is vertically set on the column connector at circular seal disk one side center, and the free end of column connector is Nian Jie with rubber spacer.The present invention passes through in Shockproof base made of the bottom of supporting leg setting obturator, elastic tightrope and rubber bush, even completely cut off so as to fully absorb, cut down by the vibrations that neighbouring ground passes over, so as to avoid its influence to surveying instrument, the precision of mapping is improved. |