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Device for absorbing vibration through nonlinear energy transfer and collision energy consumption

A nonlinear energy and vibration absorber technology, applied in non-rotational vibration suppression, spring/shock absorber, vibration suppression adjustment, etc. The effect of high vibration efficiency and convenient operation

Inactive Publication Date: 2012-03-21
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a vibration absorber through nonlinear energy transfer and collision energy consumption, which has a simple structure, reasonable design, convenient use and operation, and good vibration absorption effect. It effectively solves the problem that the three control methods of active control, passive control and active-passive joint control in the existing technology are not ideal. It can quickly and effectively reduce the vibration generated by structural parts, and at the same time does not require any external energy supply. The vibration reduction efficiency is high and the application wide range

Method used

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  • Device for absorbing vibration through nonlinear energy transfer and collision energy consumption
  • Device for absorbing vibration through nonlinear energy transfer and collision energy consumption
  • Device for absorbing vibration through nonlinear energy transfer and collision energy consumption

Examples

Experimental program
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Effect test

Embodiment 1

[0041] Such as figure 1 A vibration absorber shown as a function of nonlinear energy transfer and collision energy dissipation includes a vibration absorber body, and the vibration absorber body includes a connecting support 6 fixedly connected to the structural member 9 to be damped, and the connecting support 6 is fixedly installed with a box body 4, and a mass block 7 is arranged inside the box body 4, and the two ends of the mass block 7 are respectively provided with a nonlinear spring 1 3-1 and a nonlinear spring 2 3-2. One end of the linear spring one 3-1 and the nonlinear spring two 3-2 are all fixedly connected with the mass block 7, and the other ends of the nonlinear spring one 3-1 and the nonlinear spring two 3-2 are all connected with the box body 4 The inner wall is fixedly connected; the upper part of the box body 4 is provided with a collision adjustment device 2-1, and the lower part of the box body 4 is provided with a collision adjustment device 2-2, and the...

Embodiment 2

[0051] Such as figure 2 As shown, in this embodiment, the number of the first collision adjustment device 2-1 and the second collision adjustment device 2-2 is one, and the first collision adjustment device 2-1 and the second collision adjustment device 2-2 are obliquely symmetrical It is arranged on the upper and lower sides of the mass block 7 .

[0052] In this embodiment, the structures, connections and working principles of other parts are the same as those in Embodiment 1.

Embodiment 3

[0054] Such as Figure 4 As shown, in this embodiment, the nonlinear spring 1 3 - 1 is arranged at the left end of the mass block 7 , and the nonlinear spring 2 3 - 2 is arranged at the right end of the mass block 7 . The first collision adjustment device 2 - 1 and the second collision adjustment device 2 - 2 are symmetrically arranged on the upper and lower sides of the mass block 7 .

[0055] In this embodiment, the structures, connections and working principles of other parts are the same as those in Embodiment 1.

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Abstract

The invention discloses a device for absorbing vibration through nonlinear energy transfer and collision energy consumption, which comprises an absorber body, wherein the absorber body comprises a connection support fixedly connected with a structure member to be subjected to vibration absorption, a box body is fixedly arranged on the connection support, a mass block is arranged in the box body, two ends of the mass block are respectively provided with a nonlinear spring I and a nonlinear spring II, one end of the nonlinear spring I and the nonlinear spring II are fixedly connected with the mass block, the other end of the nonlinear spring I and the nonlinear spring II are fixedly connected the inner wall of the box body; a collision adjusting device I is arranged at the upper part of thebox body, a collision adjusting device II is arranged at the lower part of the box body, the low end of the collision adjusting device I and the upper end of the collision adjusting device II penetrate through the box body, the collision adjusting device I and the collision adjusting device II have gaps with the mass block, and a gap is also arranged between the collision adjusting device II and the structure member to be subjected to vibration absorption. The invention has the advantages of rational structure design, convenience for use and good vibration absorbing effect, low use cost and wide application range.

Description

technical field [0001] The invention relates to a vibration absorbing device, in particular to a vibration absorber for suppressing the vibration of various mechanical equipment structural parts through nonlinear energy transfer and collision energy consumption. Background technique [0002] Vibration is a form of motion that is inevitably generated during the operation of various mechanical equipment. Vibration will lead to premature fatigue failure of structural parts of mechanical equipment, abnormal movement of structural parts, inaccurate positioning, and noise. Therefore, the vibration suppression of structural parts has become an effective way to improve equipment movement accuracy, service life and reduce noise. [0003] At present, there are usually three ways to suppress the vibration of structural parts, namely active control, passive control and combined active and passive control. Among them, active control is to analyze the possibility of target deviation in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/02F16F15/067F16F15/023
Inventor 成建联徐信芯李兆凯
Owner CHANGAN UNIV
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