Modular adjustable-parameter dynamic vibration absorber and parameter presetting method thereof

A dynamic shock absorber, a modular technology, applied in shock absorbers, shock absorbers, springs/shock absorbers, etc., can solve problems such as poor portability and invariable parameters, and meet the requirements of continuously adjustable quality, The effect of improving portability

Inactive Publication Date: 2013-08-14
NORTHEASTERN UNIV
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Problems solved by technology

[0003] Purpose of the invention: The present invention proposes a modular dynamic shock absorber and its parameter setting method, the purpose of w

Method used

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  • Modular adjustable-parameter dynamic vibration absorber and parameter presetting method thereof
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  • Modular adjustable-parameter dynamic vibration absorber and parameter presetting method thereof

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[0029] Implementation method:

[0030] A dynamic shock absorber, mainly composed of base 1, connecting seat 2, hinge support 3, lever lower arm 4, lever upper arm 6, fine-tuning spring 8, guide rail 12, mass block 13, tray 14, main spring 15, fine-tuning damping 17, main damping 18, parallel hole 24 forms.

[0031] The model of the undamped dynamic shock absorber can be simplified as figure 1 . The original system is simplified to k 1 、m 1 , the damper is simplified to k 2 、m 2 , the vibration frequency of the system is ω. The original single-degree-of-freedom system becomes a two-degree-of-freedom system.

[0032] At this time, according to the system structure, the equation of motion can be obtained as:

[0033] m 1 0 0 m 2 ...

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Abstract

The invention relates to a modular adjustable-parameter dynamic vibration absorber and a parameter presetting method thereof, and relates to an adjustable-parameter dynamic vibration absorbing device. The dynamic vibration absorber comprises a base, a linkage seat, hinge supports, lever lower arms, lever upper arms, a fine-tuning spring, guide rails, a mass block, a tray, main springs, a fine-tuning damper, a main damper, and parallel holes. The base and the linkage seat are connected through bolts, and the hinge supports are connected with the linkage seat through bolts. The springs and the dampers are in modular structure. The lever lower arms are connected with the lever upper arms through connecting shafts. The tray is hinged with the lever upper arms through connecting blocks and connecting shafts. The mass block is fixed on the tray through locking bolts; sliding channels are reserved on the tray, a sliding pair can be formed by the sliding channels and the guide rails, and the tray is connected with the main damper and the main spring. The linkage seat is connected with the main damper and the main spring, and the tray is provided with parallel shafts. The invention aims to overcome defects of unexpected portability, unadjustable parameters and the like of existing dynamic vibration absorbers.

Description

Technical field: [0001] The invention relates to a parameter-adjustable dynamic vibration damping device, which is applicable to the vibration damping requirements of different damper types, different installation surfaces and different parameters, and belongs to the field of mechanical vibration mechanics. Background technique: [0002] At present, dynamic shock absorbers are mainly divided into two types: damping dynamic shock absorbers and non-damping dynamic shock absorbers. The undamped dynamic shock absorber is mainly used in vibration reduction occasions with fixed frequency components and small fluctuations; while the damped dynamic shock absorber is mainly used in vibration reduction occasions within a certain frequency band. However, no matter what kind of shock absorber is designed for individual equipment, it is difficult to change its own parameters when it is applied in a fixed place. Once the design is completed, its own parameters are determined and cannot be...

Claims

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Application Information

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IPC IPC(8): F16F7/104F16M11/00
Inventor 李朝峰任朝晖李小彭荆帅刘杨马辉孙伟
Owner NORTHEASTERN UNIV
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