Open type tuning inertial damper
A damper and open technology, applied in the field of building shock absorption, can solve the problems of difficult processing, high cost, long supply cycle, etc., and achieve the effects of low installation difficulty, reduced requirements, and low maintenance costs in the later period.
Pending Publication Date: 2021-07-02
ZHEJIANG JIANKE DAMPING SCI & TECH CO LTD
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Problems solved by technology
[0003] The traditional tuned inertial damper has the disadvantages of relatively precise parts, especially the ball screw as the core part, which has the disadvantages of difficult processing, long delivery cycle and high cost, which is not conducive to the application of traditional tuned inertial damper in construction projects. widely used
Method used
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Embodiment
[0020] Embodiment: an open tuning inertial damper, such as Figure 1-Figure 2 As shown, it includes a concentric gear set that converts the interlayer displacement of the main structure into a circumferential motion, a tension spring assembly that connects the main structure and the concentric gear set for axial displacement transmission, a damping element that provides damping and energy dissipation, and connects the concentric gear set The connection structure with the damping element to realize motion transmission, the concentric gear set is suspended and fixed at the bottom of the structure, the concentric gear set includes a central shaft, a sprocket and a first bevel tooth that are rotated on the central shaft, the sprocket and The first bevel teeth are concentric and fixed together and cannot rotate with each other; the extension spring assembly includes a first extension spring, a first steel wire rope, a transmission chain, a second steel wire rope and a second extensi...
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The invention relates to the technical field of building damping, and discloses an open type tuning inertial damper. The open type tuning inertial damper comprises a concentric gear set for converting interlayer displacement of a main body structure into circumferential movement, a tension spring assembly for connecting the main body structure and the concentric gear set to perform axial displacement transmission, a damping element for providing damping energy consumption, and a connecting structure for connecting the concentric gear set and the damping element to realize movement transmission. Elements required by a traditional tuning inertial damper can be separately installed in the structure, and the requirement for the stroke of a spring is effectively lowered; and in addition, the energy dissipation capacity of the damper can be adjusted by changing the relative size of a chain wheel and a first bevel gear in the concentric gear set and setting the number of inner and outer cylinder assemblies, and compared with the traditional tuning inertial damper, the open type tuning inertial damper is relatively low in production cost, installation difficulty and later maintenance cost.
Description
technical field [0001] The invention relates to the technical field of building shock absorption, in particular to an open-type tuned inertial damper. Background technique [0002] The tuned inertial damper is a very distinctive vibration control device proposed in recent years. The traditional tuned inertial damper is composed of inertial elements, damping elements and extension spring elements, which provide inertial mass (also called apparent mass), damping and stiffness. The inertia element and the damping element are assembled as a whole through a ball screw. The ball screw converts the axial relative displacement at both ends into the rapid rotation of the flywheel and the inner cylinder. The rapid rotation of the flywheel can generate an inertial force thousands of times its own weight. The rapid rotation of the inner cylinder makes the stickiness between the inner and outer cylinders The liquid produces a large damping force. By adjusting the stiffness of the tens...
Claims
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IPC IPC(8): E04B1/98E04H9/02
CPCE04B1/98E04H9/02
Inventor 姚东程禹皓朱敏谢卫亮郭华东鲁宇赟
Owner ZHEJIANG JIANKE DAMPING SCI & TECH CO LTD