Cast iron brake shaft

The utility model provides a cast iron brake shaft, and belongs to the field of shafts. The mounting groove is formed in the upper end of the shaft; a shockproof rubber ring; a connecting member; a well lid; according to the anti-vibration well lid, the anti-vibration rubber ring is arranged, noise and abnormal sound cannot be generated when pedestrians or vehicles pass through the well lid, a cement prefabricated well does not need to be manufactured in advance through the installation plate, installation is convenient, and the total cost is reduced by more than half compared with the comprehensive cost of a common well lid; the strength of the shaft and the mounting plate can be improved through the arrangement of the reinforcing plate, so that the shaft and the mounting plate become firm, concrete pouring is facilitated through the arrangement of the strip-shaped reserved square holes and the round reserved square holes, and the shaft and the mounting plate are firmer during concrete pouring; the problems