| 摘要 |
PROBLEM TO BE SOLVED: To enable the easy adjustment of the natural frequency of a vibration control device.SOLUTION: A vibration control device 10 includes a first movable mass 100, a second movable mass 200, a first frame 120, a second frame 220, a first connection part 150, and a second connection part 250. The first movable mass 100 is formed of a sheet metal having rectangular shape in a plan view. An upper portion of the first movable mass 100 is provided with a vibration exciter 400 and a detachable adjust mass 300. The adjust mass 300 is provided in each corner portion of the first movable mass 100 in a plan view and is fastened with a bolt. |
