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Vibration absorber

A shock absorber and damping medium technology, applied in the direction of rotation vibration suppression, etc., can solve the problems of high heat generation, large force, and impact on service life, and achieve the effects of reducing noise, low heat generation, and prolonging service life

Active Publication Date: 2013-05-08
HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The damping medium of the existing shock absorber directly bears the torque and friction force, resulting in large force and high heat generation, which affects the service life

Method used

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  • Vibration absorber
  • Vibration absorber
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Experimental program
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Embodiment Construction

[0029] figure 1 , figure 2 Among them, the present invention includes a pulley 2 and an inertia ring 3, and a damping medium 1 is filled between the pulley 2 and the inertia ring 3. The upper part of the damping medium 1 is filled in a plurality of cavities formed in the inertia ring 3 , and the lower part of the damping medium 1 is filled in a plurality of cavities formed in the pulley 2 . The inertia ring 3 and the pulley 2 are connected as a whole through the damping medium 1. The part of the damping medium 1 located between the inertia ring 3 and the pulley 2 may be provided with a fan-shaped cavity 4 for process.

[0030] image 3 , Figure 4 Among them, the cavity in the inertia ring includes two annular grooves 5 arranged on the upper and lower end surfaces, an axial cylindrical cavity 6 communicating with the annular groove 5, and a radial cylindrical cavity vertically communicating with the axial cylindrical cavity 6 7.

[0031] Figure 5 , Figure 6 Among t...

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PUM

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Abstract

The invention provides a vibration absorber, which comprises a belt wheel and an inertial ring, wherein a vibration absorption medium is filled between the belt wheel and the inertial ring; the upper part of the vibration absorption medium is filled into a plurality of cavity bodies formed in the inertial ring; the lower part of the vibration absorption medium is filled into a plurality of cavities formed in the belt wheel; and the inertial ring and the belt wheel are connected to form a whole through the vibration absorption medium. By the vibration absorber, vibration can be reduced, the service life can be prolonged, and effects of reducing crankshaft torsional vibration and reducing noise of an engine can be achieved; meanwhile, the comfortableness of a driver and passengers can be improved. The vibration absorber is applicable to internal combustion engines, generators and the like.

Description

technical field [0001] The invention relates to an automobile engine shock absorber. Background technique [0002] Vibration is unavoidable when the engine is running. This is because the gas pressure in the combustion chamber and the inertial force of the moving mass of the crank linkage are both periodic functions related to the rotational period of the engine crankshaft. Therefore, the torsional moment generated by them to rotate the crankshaft, the overturning moment of the engine, the inertial force acting along the centerline of the cylinder, and the inertial force in the horizontal direction are also periodic functions. Under the action of periodically changing forces and moments, the engine will vibrate both vertically and horizontally. Severe vibration will weaken the strength of engine parts, increase wear, reduce life span, and make operators tired, hinder the work of surrounding instruments and equipment, and pollute the environment. [0003] At present, the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F15/10
Inventor 刘洪
Owner HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY