| 摘要 |
PURPOSE:To reduce the swinging vibration of a post, etc. by supporting and moving the weight of a dynamic vibration damper for the radar mast, etc. of a ship by means of a coil spring. CONSTITUTION:A weight 13 is supported by coil springs 14, 14 stretched in a Y direction, in an inner frame 3, and is movable in the Y direction being guided by guides 12, 12 provided in the inner frame 3. Accordingly, the dynamic vibration damper thus constructed may be installed on the top part of a post, etc. or within the post utilizing the wall body itself of the post etc. as an outer frame 1, to reduce the swinging vibration of the post. |
