A APPARATUS FOR PREVENTING VIBRATION OF RAILROAD ANDSUBWAY

摘要

The present invention improves the dust-proof performance of the rail, eases the installation of the rail, and makes it easy to visually check the parts that are found to be malfunctioning or abnormal. A support plate (8) having a perforated anchor hole (8a) perforated in a vicinity of a corner on one side of the diagonal; A thick dustproof pad (1) having a perforated anchor anchor (1a) perforated at the same position as the anchor hole (8a); The anchor hole (2a) for the same purpose as the anchor hole (8a, 1a) has a upwardly projecting anchor pipe (2b) having a punctured roll roll ball (2c) parallel to the laying direction of the rail in the anchor pipe (2b) A rail supporting plate (2); A holding anchor (4) inserted into the concrete to support the anchor plate (8a, 1a, 2a) of the support plate (8), the anti-vibration pad (1) and the rail support plate (2); A fixing nut 5 for fastening to a given external thread 4a at the upper end of the support anchor 4; It consists of a fixed nut protective cap (7) fastened to the holding anchor (4).;In addition, the anti-vibration pad 1 is also provided with a replacement anti-vibration pad in which the inner portion of the center of the anchor hole 1a is cut diagonally and divided into a main body portion 1-1 and a corner portion 1-2.