Vehicle driving shaft torsional vibration damper

A torsional vibration and drive shaft technology, which is applied in the direction of rotation vibration suppression, spring/shock absorber, vibration suppression adjustment, etc., can solve the problems of front-wheel drive vehicle noise, etc., to improve driving comfort, reduce torsional resonance and noise, Effect of suppressing torsional amplitude

Inactive Publication Date: 2018-10-12
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There is a problem of low-speed interior noise in front-wheel-drive vehicles. Through analysis, it is found that the noise is caused by the torsional vibration of the drive train

Method used

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  • Vehicle driving shaft torsional vibration damper
  • Vehicle driving shaft torsional vibration damper
  • Vehicle driving shaft torsional vibration damper

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Embodiment Construction

[0018] The specific embodiment of the present invention will be described in further detail by describing the embodiments below with reference to the accompanying drawings, the purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solutions of the present invention, and contribute to its implementation.

[0019] Such as Figure 1 to Figure 3 As shown, the present invention provides a torsional vibration damper for an automobile drive shaft, which includes an elastic energy storage body 2 that is elastic and is used to be sleeved on the drive shaft and an inertial mass 3 disposed inside the elastic energy storage body 2 .

[0020] Specifically, as Figure 1 to Figure 3 As shown, the elastic energy storage body 2 has a certain degree of elasticity, the elastic energy storage body 2 is an annular structure with open ends and a hollow interior, the drive shaft of the automobile transmission system pa...

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Abstract

The invention discloses a vehicle driving shaft torsional vibration damper. The vehicle driving shaft torsional vibration damper comprises an elastic energy storage body with elasticity and used for sleeving a driving shaft, and an inertia mass block arranged in the elastic energy storage body; the elastic energy storage body comprises convex blocks contacted with the driving shaft; multiple convex blocks are provided; and all the convex blocks are peripherally distributed on the outer side of the driving shaft. In the vehicle driving shaft torsional vibration damper, the elastic energy storage body and the inertia mass block are provided for cooperation; and as a gap with a certain width is formed between the convex blocks on the peripheral surface in the elastic energy storage body and the driving shaft, the inertia mass block can obtain wider torsional motion space relative to the elastic energy storage body, the torsional vibration amplitude of a vehicle transmission system can beinhibited, the damping effect is improved, the effect of reducing torsional resonance and noise is achieved, and the overall vehicle driving smoothness and sitting comfort and the service life of parts are improved.

Description

technical field [0001] The invention belongs to the technical field of automobiles, in particular, the invention relates to a torsional vibration damper for an automobile drive shaft. Background technique [0002] The alternating torque output by the internal combustion engine of the automobile is the main cause of the torsional vibration of the entire transmission system. In the transmission system, the gap between the gears of the gearbox and the final reducer causes certain load fluctuations when the gears mesh, which excites the transmission system to vibrate. The angle of movement between the drive shaft and the universal joint is a major cause of torsional and bending vibration in the driveline. When the vehicle is running at high speed, strong self-excited torsional vibrations often occur in the transmission system, which produces various noises, resulting in a serious decline in the power and ride comfort of the vehicle. For cars running on soft roads, the torsiona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/126F16F15/14
CPCF16F15/126F16F15/1435
Inventor 孙利飞钱建功范文来蔡志林王道玉丁盛
Owner CHERY AUTOMOBILE CO LTD
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