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A Variable Friction Damping Vibration Isolator with Adjustable Center Position

A center position, variable friction technology, applied in the direction of friction shock absorber, shock absorber, shock absorber-spring combination, etc., can solve the problems of low service life of the vibration isolator, poor friction damping performance, etc., to improve the service life , Strengthen the wear resistance and reduce the manufacturing cost

Active Publication Date: 2022-05-10
36TH RES INST OF CETC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above analysis, the present invention aims to provide a variable friction damping vibration isolator with adjustable center position to solve the problems of low service life and poor frictional damping performance of vibration isolators in the prior art

Method used

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  • A Variable Friction Damping Vibration Isolator with Adjustable Center Position
  • A Variable Friction Damping Vibration Isolator with Adjustable Center Position
  • A Variable Friction Damping Vibration Isolator with Adjustable Center Position

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Embodiment Construction

[0031] The preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and together with the embodiments of the present invention are used to explain the principles of the present invention and are not intended to limit the scope of the present invention.

[0032] In the description of the embodiments of the present invention, it should be noted that unless otherwise specified and limited, the term "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection or an integral connection, It can be mechanical connection or electrical connection, direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

[0033] The terms "to...

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Abstract

The invention relates to a variable friction damping vibration isolator with adjustable center position, which belongs to the field of vibration isolators for electronic equipment, and solves the problem that the existing vibration isolator cannot adjust the center position of variable friction damping when the actual weight of the load is different from the vibration isolation When the rated load capacity of the vibration isolator is different, the vibration center of the vibration isolator deviates from the center position of the low friction damping force of the damping spring sheet, thereby weakening the vibration isolation ability of the vibration isolator to the high frequency vibration load. The variable friction damping vibration isolator of the present invention comprises: a base, a circlip, a friction guide rail, an upper cover, a load mounting seat, a friction pressure spring, a friction head and a main vibration isolation spring; the friction guide rail and the circlip pass through the friction guide rail height adjustment cone The upper cover is pressed on the friction guide rail. The present invention adjusts the pre-tightening force of the upper cover so that the center position of the friction guide rail can move up and down, thereby realizing the adjustment of the center position of the vibration isolator.

Description

technical field [0001] The invention relates to a variable friction damping vibration isolator with adjustable center position for electronic equipment, in particular to a vibration isolator for electronic equipment such as electronic cabinets subjected to long-term vibration loads (such as vehicle-mounted, airborne). Background technique [0002] The vibration isolator based on variable friction damping has good high-frequency and low-frequency vibration isolation effects due to its high low-frequency damping and low high-frequency damping, so it is used in the field of vibration isolation of electronic cabinets and other electronic equipment. very broad. [0003] The friction pairs of existing dry friction vibration isolators usually use a set of variable curvature spring pieces and friction blocks to provide dry friction damping. The variable curvature spring pieces have a large curvature at the vibration center and small curvature at both ends; When the damping force is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F7/08F16F13/00
CPCF16F7/082F16F13/005F16F2222/04
Inventor 王昊徐伟杰江雄赵宇吴陈军
Owner 36TH RES INST OF CETC
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