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A platform for research: civil engineering, architecture and urbanism
Vertical tuned mass ball screw type inerter eddy current damper
The invention provides a vertical tuned mass ball screw type inerter eddy current damper. The vertical tuned mass ball screw type inerter eddy current damper comprises an outer frame, a vertically-arranged guide rod, a support frame, a mass block, a spring, a permanent magnet, a conductor plate and an iron plate, and a set gap is reserved between the permanent magnet and the conductor plate; and the damper further comprises a vertically-arranged ball screw, a nut, a flywheel and a thrust bearing. When vibration energy of the controlled structure is transmitted to the damper, the mass block iscaused to vibrate up and down, the flywheel is driven to rotate at a high speed through the ball screw, the conductor plate cuts magnetic induction lines of the permanent magnet, and the eddy currentdamping effect is formed; and the back iron can reduce magnetic flux leakage and improve the damping energy consumption efficiency. According to the vertical tuned mass ball screw type inerter eddy current damper, a gap between the permanent magnet and the conductor plate remains unchanged in the moving process of the mass block, so that the distance between the permanent magnet and the conductorplate can be set to be very small, and very large damping force can be generated; the mass block does linear motion, the damping force has no torque on the mass block, the pressure between the mass block and the guide rod is not increased, and the motion is smooth.
本发明提供一种竖向调谐质量滚珠丝杠式惯容电涡流阻尼器，包括外框、竖直设置的导杆、支撑架、质量块、弹簧、永磁体、导体板和铁板，永磁体与导体板之间留有设定间隙；所述阻尼器还包括竖直设置的滚珠丝杠、螺母、飞轮和推力轴承。当受控结构的振动能量传递给阻尼器，引起质量块上下振动，并通过滚珠丝杆带动飞轮高速旋转，且使得导体板切割永磁体的磁感线，形成电涡流阻尼效应；且背铁可以减少漏磁提高阻尼耗能效率。本发明永磁体和导体板间的间隙在质量块运动过程中保持不变，因而二者间的间距可以设置得很小，能产生很大的阻尼力；本发明中，质量块做直线运动，阻尼力对质量块没有扭矩，不会增加质量块与导杆之间的压力，运动较为顺畅。
Vertical tuned mass ball screw type inerter eddy current damper
The invention provides a vertical tuned mass ball screw type inerter eddy current damper. The vertical tuned mass ball screw type inerter eddy current damper comprises an outer frame, a vertically-arranged guide rod, a support frame, a mass block, a spring, a permanent magnet, a conductor plate and an iron plate, and a set gap is reserved between the permanent magnet and the conductor plate; and the damper further comprises a vertically-arranged ball screw, a nut, a flywheel and a thrust bearing. When vibration energy of the controlled structure is transmitted to the damper, the mass block iscaused to vibrate up and down, the flywheel is driven to rotate at a high speed through the ball screw, the conductor plate cuts magnetic induction lines of the permanent magnet, and the eddy currentdamping effect is formed; and the back iron can reduce magnetic flux leakage and improve the damping energy consumption efficiency. According to the vertical tuned mass ball screw type inerter eddy current damper, a gap between the permanent magnet and the conductor plate remains unchanged in the moving process of the mass block, so that the distance between the permanent magnet and the conductorplate can be set to be very small, and very large damping force can be generated; the mass block does linear motion, the damping force has no torque on the mass block, the pressure between the mass block and the guide rod is not increased, and the motion is smooth.
本发明提供一种竖向调谐质量滚珠丝杠式惯容电涡流阻尼器，包括外框、竖直设置的导杆、支撑架、质量块、弹簧、永磁体、导体板和铁板，永磁体与导体板之间留有设定间隙；所述阻尼器还包括竖直设置的滚珠丝杠、螺母、飞轮和推力轴承。当受控结构的振动能量传递给阻尼器，引起质量块上下振动，并通过滚珠丝杆带动飞轮高速旋转，且使得导体板切割永磁体的磁感线，形成电涡流阻尼效应；且背铁可以减少漏磁提高阻尼耗能效率。本发明永磁体和导体板间的间隙在质量块运动过程中保持不变，因而二者间的间距可以设置得很小，能产生很大的阻尼力；本发明中，质量块做直线运动，阻尼力对质量块没有扭矩，不会增加质量块与导杆之间的压力，运动较为顺畅。
Vertical tuned mass ball screw type inerter eddy current damper
一种竖向调谐质量滚珠丝杠式惯容电涡流阻尼器
FENG ZHOUQUAN (author) / CHEN ZHENGQING (author) / CHEN ZHI (author) / LIU YI (author) / HUA XUGANG (author) / NIU HUAWEI (author)
2020-12-25
Patent
Electronic Resource
Chinese
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