| 摘要 |
PROBLEM TO BE SOLVED: To improve the durability of a vibration isolator by a pair of actuators so arranged as to be faced to each other across one end of a vibrating member, and for generating exciting force for vibrating the vibrating member by respectively and alternately generating the magnetic field. SOLUTION: A movable plate 20 is supported between a lower attaching table 12 to be placed on a vehicle body and an outer cylinder 26 so as to be displaced. An elastic body 28 is vulcanized and bonded on the inner peripheral side of the outer cylinder 26, and a part between the elastic body 28 and the movable plate 20 is taken as a pressure receiving liquid chamber 34. A connecting pin 22 penetrating the movable plate 20 is fixed on the center part of the movable plate 20, and a steel-made disk 24 is provided on the lower end of the connecting pin 22. A first electromagnet 50 is housed in the lower attaching table 1, 2, and a second electromagnet 60 is housed in the lower part in the lower attaching table 12 so as to be separated from the first electromagnet by the constant wide space. Accordingly, the electromagnets 50, 60 are so arranged as to be faced to each other across the disk 24 arranged on the lower end of the connecting pin 22. |
