VIBRATION CONTROL DEVICE

To provide a structure which enables reduction of vibration in a wide frequency range and achieves excellent durability in a vibration control device which controls vibrations of an engine for a ship.SOLUTION: A vibration control device 100 is disposed between a ship body 2 and a propulsion engine 4...

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1. Verfasser: TOMITA NOBUHISA
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a structure which enables reduction of vibration in a wide frequency range and achieves excellent durability in a vibration control device which controls vibrations of an engine for a ship.SOLUTION: A vibration control device 100 is disposed between a ship body 2 and a propulsion engine 4. The vibration control device 100 includes a lower plate 11, an upper plate 21, a coil spring 40, and a vibration damping member 30. The lower plate 11 is fixed to the ship body 2 side. The upper plate 21 is disposed above the lower plate 11 and fixed to the propulsion engine 4 side. The coil spring 40 is disposed between the lower plate 11 and the upper plate 21. The vibration damping member 30 is disposed between the lower plate 11 and the coil spring 40 or between the upper plate 21 and the coil spring 40 and is formed including a metal plate 32 and a damping plate 31 formed by a damping material. The metal plate 32 is located between the coil spring 40 and the damping plate 31.SELECTED DRAWING: Figure 2 【課題】船舶用のエンジンを防振する防振装置において、広い周波数域の振動を低減可能であってかつ耐久性に優れた構成を提供する。【解決手段】防振装置100は、船体2と推進用エンジン4との間に配置される。この防振装置100は、下板11と、上板21と、コイルバネ40と、振動減衰部材30と、を備える。下板11は、船体2側に固定される。上板21は、下板11よりも上方に配置され、推進用エンジン4側に固定される。コイルバネ40は、下板11と上板21との間に配置される。振動減衰部材30は、下板11とコイルバネ40との間又は上板21とコイルバネ40との間に配置されており、金属板32と、減衰材で構成された減衰板31と、を含んで構成されており、当該金属板32が、コイルバネ40と減衰板31との間に位置している。【選択図】図2