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Adjustable and portable dynamic vibration absorber and operation method thereof

A technology of dynamic vibration absorber and operation method, applied in the direction of shock absorber, spring/shock absorber design characteristics, spring/shock absorber functional characteristics, etc., can solve the vibration suppression effect, service life limitation, narrow vibration suppression band, etc. It can achieve obvious vibration suppression effect, widen vibration suppression bandwidth and reasonable resonance frequency distribution.

Inactive Publication Date: 2020-07-03
XIAN POWER TRANSMISSION & TRANSFORMATION PROJECT ENVIRONMENTAL IMPACT CONTROL TECHN CENT CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In summary, in view of the narrow vibration suppression band of the existing dynamic vibration absorber, the limitation of the vibration suppression effect and service life, a new adjustable portable dynamic vibration absorber and its operation method are urgently needed

Method used

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  • Adjustable and portable dynamic vibration absorber and operation method thereof
  • Adjustable and portable dynamic vibration absorber and operation method thereof
  • Adjustable and portable dynamic vibration absorber and operation method thereof

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Embodiment Construction

[0051]In order to make the purpose, technical effects and technical solutions of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments It is a part of the embodiment of the present invention. Based on the disclosed embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall all fall within the protection scope of the present invention.

[0052] An adjustable portable dynamic vibration absorber according to an embodiment of the present invention includes: a magnet, an installation base, a spring leaf, a mass block, a sandwich damping layer, a constraint layer and screws for assembling the dynamic vibration absorber.

[0053] Among them, the installation base, the...

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Abstract

The invention discloses an adjustable and portable dynamic vibration absorber and an operation method thereof. The dynamic vibration absorber comprises a mounting base, a spring piece, and two mass blocks, wherein the mounting base is used as a supporting structure of the adjustable and portable dynamic vibration absorber, and used as a structure for connecting the adjustable and portable dynamicvibration absorber with the outside; the spring piece is mounted on the mounting base; the two ends of the spring piece are located on the two sides of the mounting base; the two mass blocks are bothmovably mounted on the spring piece, and the two mass blocks are located on the two sides of the mounting base; the two mass blocks move on the spring piece so that the vibration suppression characteristic of the dynamic vibration absorber can be adjusted; and a sandwich damping layer and a restraint layer are sequentially arranged on the upper side surface of the spring piece and used for achieving the adjustment of the damping characteristic of the dynamic vibration absorber. The dynamic vibration absorber has the advantages that multiple vibration absorption frequency bands are achieved, the structure is simple, and the disassembly and the assembly are convenient.

Description

technical field [0001] The invention belongs to the technical field of noise and vibration control, and in particular relates to an adjustable portable dynamic vibration absorber and an operation method thereof. Background technique [0002] Excessive vibration will cause structural fatigue damage and reduce the service life of equipment; at the same time, it will cause excessive radiation noise, affect people's normal life and production, and even endanger people's health; therefore, it is necessary to minimize harmful vibration and radiation noise Small or eliminated, creating a more comfortable acoustic environment for humans. [0003] In the current engineering practice, there are various types of vibration and noise control technologies, such as: vibration isolation, dynamic vibration absorption, damping vibration reduction, sound insulation, sound absorption, etc. Among them, dynamic vibration absorption is a passive vibration and noise reduction technology. It is a m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F7/104F16F7/116
CPCF16F7/104F16F7/116F16F2228/04F16F2230/0005F16F2230/0041F16F2230/02
Inventor 吴健马建刚耿明昕白晓春鱼小兵郭安祥申晨吕平海赵亚林
Owner XIAN POWER TRANSMISSION & TRANSFORMATION PROJECT ENVIRONMENTAL IMPACT CONTROL TECHN CENT CO LTD
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