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1. 发明授权

US5713163A Vibration damping apparatus 失效
标题翻译：减震装置
公开(公告)号：US5713163A
公开(公告)日：1998-02-03
申请号：US586080
申请日：1996-01-16
申请人： Masao Mutaguchi , Kiyosi Kawase , Koji Tanida , Takenori Otsuka , Tamotsu Murata , Yoshinobu Hiranishi , Ichiro Tokumura
发明人： Masao Mutaguchi , Kiyosi Kawase , Koji Tanida , Takenori Otsuka , Tamotsu Murata , Yoshinobu Hiranishi , Ichiro Tokumura
IPC分类号： B61B12/04 , E04B1/98 , F16F7/10 , E07D27/34
CPC分类号： E04B1/985 , B61B12/04 , F16F7/10 , F16F15/035
摘要： A vibration damping apparatus includes a frame having a rail member and end plates at longitudinal ends of the rail member. The frame is a hollow box-shaped element or a hollow tubular element. The rail member defines a downwardly arcuate surface. The frame is fixed on a vibrant structure. A vibration damping body is movably located on the rail member such that it can naturally oscillate thereon upon vibrations of the structure. An energy of vibration of the structure is transferred to and absorbed by the damping body so that the vibration of the structure is attenuated. By appropriately determining a radius of curvature of the rail member, a natural period of the damping body is set to be equal to that of the structure. First and second magnets are mounted on the end plates and third and fourth magnets are mounted on opposite end faces of the damping body. The first and third magnets have the same polarity and the second and fourth magnets have the same polarity. Therefore, a repulsive force is generated when the first and third magnets approach each other or when the second and fourth magnets approach each other. Consequently, collision between the damping body and the frame ends is prevented.
摘要翻译：一种减震装置，包括：轨道部件的框架和轨道部件纵向端部的端板。框架是中空的箱状元件或中空管状元件。导轨构件限定了向下的弧形表面。框架固定在一个充满活力的结构上。振动阻尼体可移动地位于轨道构件上，使得其可以在结构的振动时自然地在其上振荡。结构的振动能量被传递到阻尼体并被阻尼体吸收，使得结构的振动被衰减。通过适当地确定轨道构件的曲率半径，将阻尼体的固有周期设定为与结构的相同。第一和第二磁体安装在端板上，第三和第四磁体安装在阻尼体的相对端面上。第一和第三磁体具有相同的极性，第二和第四磁体具有相同的极性。因此，当第一和第三磁体彼此接近或当第二和第四磁体彼此接近时，产生排斥力。因此，防止了阻尼体与框架端部之间的碰撞。

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