Nonlinear mixed rotary energy dissipation damper

A nonlinear hybrid and damper technology, which is applied in building components, building types, and earthquake resistance. It can solve the problems of high damper installation price, narrow vibration reduction frequency band, and limited energy consumption capacity, and achieve good applicability and economy. , vibration reduction frequency bandwidth, noise reduction effect

Active Publication Date: 2017-04-19
TONGJI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional vibration damping devices such as tuned mass dampers, etc., make structural vibration attenuation very obvious, but i

Method used

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  • Nonlinear mixed rotary energy dissipation damper
  • Nonlinear mixed rotary energy dissipation damper
  • Nonlinear mixed rotary energy dissipation damper

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Embodiment 1

[0017] Embodiment 1: as Figure 1~3 As shown, a new type of nonlinear hybrid rotary energy-dissipating damper proposed by the invention includes an exhaust hole 1, a damper shell 2, a horizontal connecting rod 3, a sealing ring 4, a circumferential rotating bearing 5, a rotating steel plate 6, and a damping liquid 7. Damping particles 8, casing 9, rotating thread 10, nonlinear spring damper 11, guide rail 12, bottom plate 13, base 14. The guide rail 12 is fixed on the bottom plate 13, the bottom of the damping box shell 2 is connected with the guide rail 12 through the guide rail groove on the guide rail, and the damping box shell 2 can move back and forth on the guide rail 9; base 14 is fixed on both sides of the bottom plate 13, and the horizontal connecting rod 6 One end is fixed on a base 14, and the other end passes through the damper box shell 2 to connect to another base 14. The part of the horizontal connecting rod 3 located in the damper shell 3 is covered with a slee...

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Abstract

The invention relates to a nonlinear mixed rotary energy dissipation damper which comprises a venting hole, a damper shell, a horizontal connecting rod, a sealing ring, an annular rotary bearing, rotary steel plates, damping liquid, damping particles, a sleeve, a rotary thread, nonlinear spring dampers and a guide rail. Under the action of the rotary thread, the sleeve rotates around the sleeve axis, the rotary steel plates stir the viscous liquid and the damping particles in the damper, and damping force is provided. Under the action of an earthquake, the horizontal displacement is restrained through nonlinear springs or variable-friction dampers, the viscous liquid and the particles are placed in a container to serve as a main component of the damper, energy is dissipated under the driving of the rotary steel plates, and the energy dissipation efficiency is improved. The liquid serves as a filling substance, the noise generated by collisions between particles and the inner wall of an original particle damper can be better reduced, and meanwhile, the problems that as for the traditional particle damper, the particles in the particle damper are stacked together, so that the motion capacity of the particles is limited, most collisions between the particles and a cavity are elastic collisions, and the collision energy dissipation capacity is limited are solved to a certain extent.

Description

technical field [0001] The invention designs a nonlinear hybrid rotary energy consumption damper. The invention belongs to the technical field of anti-seismic and vibration reduction in structural engineering. Background technique [0002] A damper is a device that provides resistance to movement and consumes movement energy. In the 20th century, especially in the past 20 or 30 years, people have made great efforts to improve the anti-vibration ability of buildings, and achieved remarkable results. The most proud of this achievement is the "structural protection system". People jump out of the traditional concept of strengthening the vibration resistance of beams, columns and walls, combined with the dynamic performance of the structure, and cleverly avoid or reduce the damage of earthquake and wind by means of dampers. Base isolation, various energy-absorbing and energy-dissipating systems using dampers, mass resonance damping systems on the roof of high-rise buildings a...

Claims

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Application Information

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IPC IPC(8): E04H9/02E04B1/98
CPCE04H9/021E04H9/0235
Inventor 鲁正赵志鹏程凯
Owner TONGJI UNIV
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