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A platform for research: civil engineering, architecture and urbanism
Lever-inerter vibration reduction bridge toughness improving device
The invention relates to a lever-inerter vibration reduction bridge toughness improving device, and belongs to the field of engineering vibration control. Comprising a lever, a one-way hinged support, a spring, a ball screw assembly and an inerter energy absorption and consumption assembly. The left side and the right side above the lever are connected with the springs respectively, the two ends of the springs are connected with the main beam and the lever respectively, and the springs are only pulled but not pressed. The one-way hinged support is arranged in the middle of the lever or on the main bridge side as required, the upper end is contacted with the lever, and the lower end is connected with a controlled structure cover beam through an end plate and a bolt; the ball screw assembly is composed of a lead screw, a nut, a protective shell, a lead screw baffle and a ball. The inerter energy absorption and consumption assembly is composed of a container, liquid, a fixing plate, a liquid injection hole and an exhaust hole. Displacement generated by the beam end during vehicle running or vertical earthquake can be amplified through the lever device, energy is absorbed through limited relative displacement on the two sides of the expansion joint through the inerter structure, and energy is tuned and dissipated through the externally-attached energy dissipation combination device.
本发明涉及一种杠杆‑惯容减振桥梁韧性提升装置，属于工程振动控制领域。包括杠杆、单向铰支座、弹簧、滚珠丝杠组件以及惯容吸能耗能组件；杠杆上方左、右两侧分别与弹簧连接，弹簧两端分别与主梁和杠杆连接，只受拉不受压；单向铰支座根据需要布置在杠杆中间或主桥侧，其上端与杠杆接触，下端通过端板和螺栓与受控结构盖梁连接；滚珠丝杠组件由丝杠、螺母、保护壳、丝杠挡板以及滚珠组成；惯容吸能耗能组件由容器、液体、固定板、注液孔以及排气孔组成；本发明能够利用杠杆装置放大车辆行驶或竖向地震时梁端产生的位移，利用惯容构造利用伸缩缝两侧有限的相对位移吸能，并利用外附耗能组合装置调谐耗散能量。
Lever-inerter vibration reduction bridge toughness improving device
The invention relates to a lever-inerter vibration reduction bridge toughness improving device, and belongs to the field of engineering vibration control. Comprising a lever, a one-way hinged support, a spring, a ball screw assembly and an inerter energy absorption and consumption assembly. The left side and the right side above the lever are connected with the springs respectively, the two ends of the springs are connected with the main beam and the lever respectively, and the springs are only pulled but not pressed. The one-way hinged support is arranged in the middle of the lever or on the main bridge side as required, the upper end is contacted with the lever, and the lower end is connected with a controlled structure cover beam through an end plate and a bolt; the ball screw assembly is composed of a lead screw, a nut, a protective shell, a lead screw baffle and a ball. The inerter energy absorption and consumption assembly is composed of a container, liquid, a fixing plate, a liquid injection hole and an exhaust hole. Displacement generated by the beam end during vehicle running or vertical earthquake can be amplified through the lever device, energy is absorbed through limited relative displacement on the two sides of the expansion joint through the inerter structure, and energy is tuned and dissipated through the externally-attached energy dissipation combination device.
本发明涉及一种杠杆‑惯容减振桥梁韧性提升装置，属于工程振动控制领域。包括杠杆、单向铰支座、弹簧、滚珠丝杠组件以及惯容吸能耗能组件；杠杆上方左、右两侧分别与弹簧连接，弹簧两端分别与主梁和杠杆连接，只受拉不受压；单向铰支座根据需要布置在杠杆中间或主桥侧，其上端与杠杆接触，下端通过端板和螺栓与受控结构盖梁连接；滚珠丝杠组件由丝杠、螺母、保护壳、丝杠挡板以及滚珠组成；惯容吸能耗能组件由容器、液体、固定板、注液孔以及排气孔组成；本发明能够利用杠杆装置放大车辆行驶或竖向地震时梁端产生的位移，利用惯容构造利用伸缩缝两侧有限的相对位移吸能，并利用外附耗能组合装置调谐耗散能量。
Lever-inerter vibration reduction bridge toughness improving device
一种杠杆-惯容减振桥梁韧性提升装置
YUAN JIAQUAN (author) / YANG XIAOHUA (author) / JIANG WEIHONG (author) / DUAN WENHONG (author) / XIONG LI (author) / HUANG XIAOMIN (author) / WANG JIN (author) / ZHANG LIN (author) / XU WEIBING (author) / YU ZIJIE (author)
2024-09-27
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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