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Broadband power vibration damper for automobile rear axle

A dynamic shock absorber and wide-band technology, applied to springs/shock absorbers, springs made of plastic materials, mechanical equipment, etc., can solve the problems of narrow effective vibration damping frequency range and inability to meet the needs of automobile vibration damping , to achieve the effect of compact structure and easy disassembly

Inactive Publication Date: 2006-08-30
鲍俊瑶
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AI Technical Summary

Problems solved by technology

Although the damping shock absorber can use the damping effect to slightly widen the range of the vibration reduction frequency, there is still only one resonance frequency in one direction, and the effective vibration reduction frequency range is still narrow, which still cannot meet the needs of automobile vibration reduction. For the frequency response amplitude spectrum during vibration, see the attached figure 1 b

Method used

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  • Broadband power vibration damper for automobile rear axle
  • Broadband power vibration damper for automobile rear axle

Examples

Experimental program
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Embodiment Construction

[0014] Referring to accompanying drawings 2 and 3, the wide-band dynamic shock absorber for the automobile rear axle includes a central mounting block 1, a rubber spring ring 2 is set outside the central mounting block 1, and an annular mass block is set outside the rubber spring ring 2 3; Similarly, a rubber spring ring 4 and an annular mass block 5 are set on the outer side of the annular mass block 3, and so on, and rubber spring rings 2, 4 and annular mass blocks 3 are sequentially set on the outer side of the central mounting block 1 , 5, forming a multi-degree-of-freedom dynamic damping unit.

[0015] The design method of the wide-band dynamic shock absorber for the rear axle of the automobile is exactly the same as that of the general multi-degree-of-freedom dynamic shock absorber with damping: according to the frequency range of the vibration of the rear axle of the automobile, the amplitude of the vibration force and the size of the allowable vibration, determine Reas...

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Abstract

A automobile rear axle wide band power vibration-damper mounted on the rear axle for reducing the vibration of the rear axle includes a central mounting piece, a mounting hole in the middle of or at the bottom of the central mounting piece, at least one layer of rubber spring turns on the outer-ring of the central mounting piece and corresponding mass pieces fixed on the cylindrical surface of each layer of rubber spring turns.

Description

Technical field: [0001] The invention relates to a wide-band dynamic shock absorber for the rear axle of an automobile, which is used for being installed on the rear axle of the automobile to reduce the vibration of the rear axle, and can also be applied to various other fields requiring wide-band dynamic vibration reduction. Background technique: [0002] In order to reduce the automobile vibration caused by the dynamic unbalanced force generated when the main transmission (differential) of the rear axle of the automobile rotates, one or two dynamic shock absorbers are usually installed at or near the differential casing to reduce the vibration. From the structural point of view, the dynamic shock absorber is mainly composed of elastic elements and mass elements, in which the elastic elements provide restoring force for the vibration of the mass elements. When the dynamic shock absorber is working, it can convert the vibration of the rear axle into the vibration of the qual...

Claims

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Application Information

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IPC IPC(8): F16F1/38
Inventor 鲍俊瑶李志远
Owner 鲍俊瑶
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