Self-returning lead extruding damper

Abstract

The invention provides a self-returning lead extruding damper. The self-returning lead extruding damper is formed by sequentially hinging for groups of damping units having the same structure through connecting hinge pins; each damping unit comprises an upper laminate, a medium laminate and a bottom laminate which are sequentially connected and arranged through hinge pins; an upper laminate body, a medium laminate body and a bottom laminate body are all of circular structures; a connecting hinge is integrally formed at the side edge of each circular structure; the upper laminate and the bottom laminate have the same structure that is a disc-shaped structure provided with a central through hole in each circular structure; the circular structure of the medium laminate is a ring shaped structure; a limiting bulge which is convex to the center of circle is arranged on the inner wall of the ring of the ring shaped structure of the medium laminate; a star shaped drawing part structure is arranged in the ring of the ring shaped structure of the medium laminate and between the upper laminate and the bottom laminate; an arc-shaped extruding lead block which his concentric with a central hole is arranged between two adjacent drawing plates of the star-shaped drawing part structure; a disc shaped spring is arranged between two sides of each drawing plate and the adjacent limiting bulge. The self-returning lead extruding damper can be widely applied to energy consumption damping and limiting control of a building.

Description

technical field [0001] The invention relates to a damper. In particular, it relates to a self-resetting lead extrusion damper which uses the plastic flow of lead extruded to generate damping and dissipate vibration energy. Background technique [0002] Lead has the characteristics of high density, low hardness, low melting point, and corrosion resistance. It is the only common metal that does not experience cumulative fatigue during plastic cycle deformation at room temperature. Through the process of dynamic recovery and recrystallization, its structure and performance can also be restored to the state before deformation. The above characteristics make lead widely used in energy dissipation and shock absorption structures. The current types of lead energy dissipators mainly include lead extrusion energy dissipators, lead shear energy dissipators, lead node energy dissipators, cylindrical and special-shaped lead energy dissipators, etc. [0003] Squeeze dampers are stable...

AI Technical Summary

Problems solved by technology

[0004] The traditional lead extrusion damper has the following disadvantages: when the load is removed, it cannot return to the initial position, and the resulting residual deformation is not conducive to the performance requirements of the structure; the current research and development of the lead extrusion damper mainly focuses on displacement along one-dimensional space , there are few studies on energy consumption in two-dimensional space alone

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