| 摘要 |
PURPOSE:To easily replace the subject molded coil by a method wherein the molded coil is buries in the bottomed groove, having a wider inner section as going deeper provided on the surface of track base, and a spring spacer is interpositioned between the side wall on the same side of the bottomed groove and the coil. CONSTITUTION:An annular bottomed groove 8, having the section wider as going deeper, is provided on the cement concrete track base 5 which was constructed in the running direction of the vehicle. The molded coil 1 is inserted in the groove 8, and then spring spacers 9a and 9b are inserted in between the side wall on the same side of the groove 8 and the coil 1. Then, after the coil 1 has been pressed to the right side in such a manner that it is compressing the spacers 9a and 9b, a solid spacer 7 is inserted. |
