Composite energy consumption system with displacement secondary amplification and triggering self-resetting functions

Abstract

The invention discloses a composite energy consumption system with displacement secondary amplification and triggering self-resetting functions, and belongs to the technical field of energy consumption and vibration reduction of building structures. The composite energy consumption system with the displacement secondary amplification and triggering self-resetting functions is mainly composed of a displacement secondary amplification mechanism and a triggering self-resetting damper. According to the composite energy consumption system with the displacement secondary amplification and triggering self-resetting functions, on the premise that the occupied space is small, structural interlayer displacement can be amplified and loaded to the two ends of the damper by means of the characteristics of a displacement amplifying device, so that the triggering self-resetting damper is fully deformed and consumes energy; the self-resetting function of the damper is not triggered during small earthquakes, earthquake energy is consumed through in-plane plastic deformation of a hollowed-out metal sleeve, the self-resetting function of the damper is triggered under the action of large earthquakes, and residual plastic deformation of the structure is reduced while the energy is efficiently consumed; meanwhile, the plastic deformation of the triggering self-resetting damper is mainly concentrated on the hollow-out metal sleeve, so that the self-resetting damper can be quickly repaired by replacing components after the earthquakes.

Description

Technical field [0001] The present invention relates to a composite energy system having a displacement quadrature amplification and triggering self-reset function, belonging to the field of building structure. Background technique [0002] Earthquake disasters can cause damage to the building structure and even collapse, thus causing casualties and economic losses. The earthquake is essentially an energy input process in nature. In the traditional seismic structure, structural energy consumption can mainly becomes a structural self-damping energy consumption and structure to produce plastic deformation or crack energy consumption, but it is plastic deformation or crack. The manifestation is structural damage. In the structure, the installation of the energy consumption is added to increase the structural energy consumption, and the structure is reduced to dissipate the energy dissipation energy, which in turn effectively reducing the damage under earthquake, so that the structur...

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Problems solved by technology

[0006] In order to solve the shortcomings of the existing energy dissipation and vibration reduction methods, such as large space occupation, low energy consumption efficiency under small and medium earthquakes, no structural restoration force under large earthquakes, difficult repairability or high repair cost after earthquakes, the present invention proposes a displacement secondary Composite energy consumption system with amplifying and triggering self-resetting functions

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