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Sliding type performance-adjustable shape memory alloy damper

A technology of memory alloy and memory alloy wire, which is applied to building components, shockproof and other directions, can solve the problem of lack of adjustability, and achieve the effects of adjustable stiffness and energy consumption, simple loading and unloading, and meeting performance requirements.

Active Publication Date: 2012-04-25
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the design and installation of the shape memory alloy wire damper currently researched and used, its stiffness and energy dissipation capacity are determined, and there is no adjustability.

Method used

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  • Sliding type performance-adjustable shape memory alloy damper
  • Sliding type performance-adjustable shape memory alloy damper
  • Sliding type performance-adjustable shape memory alloy damper

Examples

Experimental program
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Effect test

Embodiment Construction

[0034] The sliding performance-adjustable shape memory alloy damper of the present invention consists of three parts, as figure 1 , as shown in 2 and 6, the trapezoidal slider 2 is put into the chute plate 1 with the trapezoidal groove 9, note that the length of the slider 2 is designed to be less than the length of the chute plate 1, and it is installed on the slider 2 At least one fixture one 10 on the top is installed on the screw hole 3 of the slider 2 through a screw rod 13, and by selecting a suitable screw hole 4, at least one fixture two 14 installed on the chute plate 1 is installed on the chute plate 1 through a screw rod 13 on the screw holes 4 at both ends. Hole 11 on the perforated iron block 17 of clamp two 14 on the described chute plate 1 and the hole 11 on the perforated iron block 17 of clamp one 10 on the slide block 2 keep on the same horizontal line as far as possible, in order to ensure enough For connection strength, nuts are needed at both ends of the...

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Abstract

The invention discloses a sliding type performance-adjustable shape memory alloy damper belonging to fields of structure damping control, disaster prevention and reduction and protection. In order to solve the problem of incapability of regulating rigidity and energy consumption capacity of the traditional shape memory alloy damper, the sliding type performance-adjustable shape memory alloy damper comprises shape memory alloy wires arranged on at least one clamp I and at least one clamp II, a runner plate provided with a groove, and a sliding block arranged in the groove; and the runner plateand the sliding block are provided with a plurality of screw holes, the lower end of the clamp I is fixed on the sliding block, and the lower end of the clamp II is fixed on the runner plate. The sliding type performance-adjustable shape memory alloy damper can be mainly used for reset and energy consumption vibration attenuation (shock) after structure deformation, can also be used as a structure member for generating a nonlinear restoring force and can be used in simulation and test research of a structure nonlinear power behavior, and has the advantages of stable performance, simple structure and easiness in disassembly.

Description

technical field [0001] The invention relates to the fields of structure damping control, disaster prevention and mitigation, and protection, in particular to a sliding type performance-adjustable shape memory alloy damper, which is mainly used for reset after structural deformation and energy consumption and vibration reduction (shock). The device can also be used as a structural component that generates nonlinear restoring force for simulation and experimental research on nonlinear dynamic behavior of structures. Background technique [0002] Shape memory alloy dampers can be used for structural reset and energy dissipation shock absorption control. This type of damper mainly uses two characteristics of shape memory alloys—superelasticity and shape memory. Among them, energy dissipation shock absorption depends on its super Elastic properties, shape memory properties facilitate the reset of structures with residual deformation. After the design and installation of the shap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/98
Inventor 许斌元国凯贺佳辛璐璐
Owner HUNAN UNIV
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