PURPOSE: To hinder transmission of electric vibration to the track structure by laying a reaction plate between a fixing fitting for laying the reaction plate on sleepers and the sleepers through a damping means.
CONSTITUTION: A reaction plate 9 is laid on a track which is formed with sleepers 7, through a fixing fitting 12. A damping rubber 13 is interposed between the sleepers 7 and the fixing fitting 12 of the reaction plate 9. Furthermore, a displacement quantity of the spring rigidity in the vertical direction of the damping rubber 13 at the time of generating the maximum force is set at a value less than an allowable range between the reaction plate 9 and a linear motor 5. Transmission of the electromagnetic vibration generated in the reaction plate 9 to the track structure such as the sleepers 7 and a road floor or the like can be thereby prevented to reduce the noise.
HIROTSU TETSUJI
MATSUMURA YASUYUKI
