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High-stability vibration absorber

A high-stability, vibration absorber technology, applied in the functional characteristics of spring/shock absorber, inertial force compensation, spring/shock absorber, etc., can solve the problems of vibration absorber sensitivity, reduce the workload of frequency modulation, a large amount of manpower and time, etc. , to achieve the effect of reducing the size of the structure, reducing the workload of frequency modulation, and fast frequency modulation

Pending Publication Date: 2021-03-30
WUHAN SECOND SHIP DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the frequency of the vibration absorber is extremely sensitive to the stiffness, and the manufacturing error makes the frequency adjustment of the vibration absorber require a lot of manpower and time.
[0004] In order to significantly reduce the workload of frequency modulation, a high-stability vibration absorber is needed. At present, domestic vibration absorbers cannot meet the above requirements.

Method used

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  • High-stability vibration absorber
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  • High-stability vibration absorber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 As shown, the shock absorber includes: a support assembly 13, a mass assembly 14 and a spring assembly 15; as figure 2 As shown, the support assembly 13 includes: a support plate 1, a support rod 2 and a fastener I3; as image 3 As shown, the mass assembly 14 includes: a mass block 4, a mass sheet 5 and a fastener II 6; as Figure 4 As shown, the spring assembly 15 includes: a guide rod 7, a positioning cylinder 8, a spring 9, a positioning pin 10, a positioning nut 11 and a fastener III 12; wherein, each component of the shock absorber in this embodiment is made of metal (the mass 4 and mass sheet 5 are made of steel), which has the characteristics of stable performance, high and low temperature resistance, anti-corrosion and anti-rust, radiation resistance and oil resistance.

[0036] The connection relationship of the shock absorber is: four spring assemblies 15 are arranged in parallel, and the mass assembly 14 is clamped in the middle of each sp...

Embodiment 2

[0051] On the basis of Embodiment 1, the number of spring assemblies 15 can be changed, such as three, six or eight, so that the stability of the shock absorber can be further adjusted.

Embodiment 3

[0053] On the basis of Embodiment 1 or 2, the support rod 2 can be removed, the mounting holes can be added on the support plate 1, and the vibration absorber and vibration equipment can be fixed directly through the support plate 1, so as to adapt to different installation interfaces.

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Abstract

The invention discloses a high-stability vibration absorber. The high-stability vibration absorber comprises a supporting assembly, a mass assembly and a spring assembly; the whole mass assembly is ofa cylindrical structure, three or more through holes are formed in the end face of the mass assembly in the circumferential direction, one spring assembly is arranged in each through hole, the threeor more spring assemblies clamp the mass assembly from different positions correspondingly and fix the mass assembly in the supporting assembly, wherein mass of the mass assembly is adjustable, and each assembly is made of a metal material.

Description

technical field [0001] The invention relates to the technical field of vibration and noise control, in particular to a high-stability vibration absorber. Background technique [0002] When the operating equipment operates at a certain speed, it will generate stable vibration spectrums such as shaft frequency and blade frequency. The vibration absorber is an effective measure to reduce the vibration line spectrum of the equipment. After years of development, vibration absorbers have various structural forms, such as spring type, cantilever type, diaphragm type, rubber type, etc. Each type of vibration absorber has its advantages and disadvantages, which should be selected according to the needs of the application. [0003] Among them, the spring-type shock absorber has the advantage that the spring element is easy to purchase mature products from the market, with complete specifications and stable manufacturing quality. However, due to large spring manufacturing errors, th...

Claims

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Application Information

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IPC IPC(8): F16F15/067F16F15/26
CPCF16F15/067F16F15/261F16F2228/04
Inventor 张针粒熊波刘海建王强勇强磊李强代成名戴睿婕郭寒贝商超谭海涛
Owner WUHAN SECOND SHIP DESIGN & RES INST
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