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公开(公告)号：EP2037147A1
公开(公告)日：2009-03-18
申请号：EP07767684.9
申请日：2007-06-27
申请人： OILES CORPORATION
摘要： [Problems] To provide a friction damper with simple construction having characteristics that there is little difference in resistance forces between at initial shock and after slide, and it is difficult to deform slide member under large fastening force, and large frictional force can stably be generated.
[Means for Solving Problems] The friction damper 1 comprising: a cylinder box 2; a cylinder member 6 axially fixed in the cylinder box; a slide bearing 7 press-fitted into an inner peripheral surface of the cylinder member; and a shaft 3 made of metal, the shaft being axially slidably press-fitted into an inner peripheral surface of the slide bearing; wherein when the cylinder box and the shaft move axially in relation to each other, an outer peripheral surface of the shaft and the inner peripheral surface of the slide bearing frictionally slide in relation to each other to absorb vibration energy. When the friction damper of the present invention is mounted to an intermediate portion or an end portion of a structural member of a building structure such that the cylinder box and the shaft relatively axially movable with each other, and repeated tensile and compressive forces are added to the structural member of the building structure due to earthquake or the like, the inner peripheral surface of the slide bearing press-fitted into the cylinder member and the outer peripheral surface of the shaft frictionally slide with each other to absorb vibration energy.摘要翻译： [问题]为了提供具有简单结构的摩擦阻尼器，其特征在于初始冲击和滑动之后的阻力几乎没有差异，并且在大的紧固力下难以使滑动构件变形，并且可以稳定地产生大的摩擦力 。 解决问题的手段摩擦阻尼器1包括：气缸箱2; 轴向固定在汽缸箱中的缸体6; 滑动轴承7压配合到气缸构件的内周面中; 以及由金属制成的轴3，所述轴可轴向滑动地压配合到所述滑动轴承的内周表面中; 其特征在于，当所述气缸体和所述轴相对于轴向移动时，所述轴的外周面和所述滑动轴承的内周面相对于彼此摩擦滑动以吸收振动能。 当将本发明的摩擦阻尼器安装到建筑结构的结构构件的中间部分或端部时，使得气缸箱和轴可以彼此相对轴向移动，并且反复的拉伸和压缩力被加到 建筑结构的结构构件由于地震等而被压入缸体中的滑动轴承的内周表面和轴的外周表面相互摩擦地吸收振动能量。
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