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    • 1. 发明申请
    • FRICTION DAMPER
    • 摩擦阻尼器
    • US20090293380A1
    • 2009-12-03
    • US12306709
    • 2007-06-27
    • Kazuhiko SasakiMitsuru MiyazakiKazuaki ShikiKazuhiro Nagashima
    • Kazuhiko SasakiMitsuru MiyazakiKazuaki ShikiKazuhiro Nagashima
    • E04H9/02
    • E04H9/02E04H9/028F16F7/08
    • 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. 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.
    • 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。 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; 其中,当所述气缸箱和所述轴相对于彼此轴向移动时,所述轴的外周表面和所述滑动轴承的内周表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相对轴向移动,并且反复的拉伸和压缩力被加到 由于地震等引起的建筑结构的结构构件,压入缸体的滑动轴承的内周面与轴的外周面摩擦滑动以吸收振动能。
    • 10. 发明申请
    • ACTIVE DYNAMIC VIBRATION ABSORBER
    • 主动动态振动吸收器
    • US20120266547A1
    • 2012-10-25
    • US13513683
    • 2010-11-12
    • Ikuo ShimodaMitsuru MiyazakiYuichi Iwasaki
    • Ikuo ShimodaMitsuru MiyazakiYuichi Iwasaki
    • E04B1/98F16F7/104F16F7/10
    • F16F7/1005F16F7/104
    • An active dynamic vibration absorber 1 includes a weight 2; a frame 3 which is adjacent to the weight 2 in such a manner as to surround the weight 2 with clearances X1 and Y1; a holding mechanism 4 which is interposed between the weight 2 and the frame 3 and holds the weight 2 movably in an X direction with respect to the frame 3, while holding the weight 2 immovably in a Y direction and a vertical direction V; a detecting means 5 for detecting the relative vibration of a predetermined value in the X direction of the weight 2 with respect to the frame 3; and a moving means 6 for relatively moving the weight 2 in the X direction with respect to the frame 3 on the basis of a detection signal from the detecting means 5 such that the relative movement of the weight 2 in the X direction with respect to the frame 3 is allowed, while the vibrational displacement of the weight 2 in the X direction with respect to the frame 3 is reduced.
    • 主动式振动吸收器1包括重物2; 与重物2相邻的框架3,以围绕重物2的间隙X1和Y1的方式; 保持机构4,其夹持在配重2和框架3之间,并且将重物2相对于框架3以X方向可移动地保持,同时将重物2不动地保持在Y方向和垂直方向V上; 检测装置5,用于检测重量2相对于框架3的X方向上的预定值的相对振动; 以及用于基于来自检测装置5的检测信号相对于框架3相对于X方向相对移动配重2的移动装置6,使得配重2相对于X方向的相对运动 而重量2相对于框架3在X方向上的振动位移减小,因此允许框架3。