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8414results about "Shock absorbers" patented technology

Spring stiffness adjustable tuning quality damper

The invention specifically relates to a mass tuned vibration reducer used for controlling the vibration of an aerobridge in the airport, a large-span pedestrian bridge, a port trestle, high-rise buildings and the related structures. The mass tuned vibration reducer comprises a mass block, a spring, a damper and a base; wherein, the spring can be a spiral spring, a disc spring or a plate spring, and the end part of the spring is provided with a rigidity regulating device. The mass tuned vibration reducer can successfully realize the regulation on the natural frequency of a TMD system under the condition of needing not to assemble and disassemble the TMD since the end part of the spring is provided with the rigidity regulating device, so as to simplify the difficulty of regulation work, avoid the waste of manpower and materials and greatly reduce the construction cost. Meanwhile, the natural frequency and the damping of the system can be regulated in an optimized way under the condition of needing not to assemble and disassemble the TMD, thereby better exerting the vibration absorption performance of the mass tuned vibration reducer, ensuring safety and stableness of the pedestrians and vehicles on the large-span bridge and the thin and high building, contributing to prolonging the service lives of the thin and high building and the bridge, and having remarkable economic and social benefits.
Owner:尹学军 +1
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