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Dynamic vibration absorber and using method thereof

A technology of dynamic vibration absorber and vibration frequency, which is applied in the field of vehicles to achieve the effects of high tuning accuracy, expanding the scope of use, and saving changes

Inactive Publication Date: 2021-01-05
宝能(广州)汽车研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structure and shape of the dynamic shock absorber provided by the supplier is only suitable for vehicle components under a certain structure, such as subframes, etc.
Once the vehicle components or layout are adjusted, the original dynamic shock absorber is no longer applicable due to the limitation of problem frequency and installation space

Method used

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  • Dynamic vibration absorber and using method thereof
  • Dynamic vibration absorber and using method thereof
  • Dynamic vibration absorber and using method thereof

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Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0035] Refer below Figure 1-Figure 7 A dynamic vibration absorber 10 according to an embodiment of the present invention is described.

[0036] Such as Figure 1-Figure 7 As shown, the dynamic vibration absorber 10 according to the embodiment of the present invention includes: a base 20 and a support plate 30 . An elastic member 50 with adjustable stiffness is connected between the base 20 and the support plate 30. It can also be understood that the elastic member 50 is installed between the base 20 and the support plate 30. The elast...

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Abstract

The invention discloses a dynamic vibration absorber and a using method of the dynamic vibration absorber. The dynamic vibration absorber comprises a base and a supporting plate, an elastic piece withadjustable rigidity is connected between the base and the supporting plate, and the supporting plate is provided with a mass block with adjustable weight. Therefore, the frequency of the dynamic vibration absorber can be changed by adjusting the elastic piece and the mass block, and the vibration frequency the same as that of a resonance part can be quickly and accurately obtained through adjustment in the NVH adjustment process of a vehicle, so that the time for adjusting the frequency of the dynamic vibration absorber is shortened, and the application range of the dynamic vibration absorberis expanded; besides, the tuning precision of the dynamic vibration absorber is high and is not limited in a range; and meanwhile, after a vibration part of the vehicle is adjusted, the dynamic vibration absorber is not limited by an installation space of the dynamic vibration absorber on the real vehicle, and it can be guaranteed that the dynamic vibration absorber can be installed on the vibration part.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to a dynamic shock absorber and a method for using the dynamic shock absorber. Background technique [0002] During the development and debugging of the vehicle's NVH (Noise, Vibration, Harshness-noise, vibration and harshness), narrow-band NVH problems will occur. Due to engineering conditions and project node constraints, dynamic vibration absorbers need to be used to solve this problem. [0003] In the prior art, the frequency of the dynamic vibration absorber is fixed and unchangeable. During the NVH adjustment process, it is difficult to select the dynamic vibration absorber with the same frequency as the problem, and the frequency adjustment of the dynamic vibration absorber wastes a lot of time. Moreover, the dynamic vibration absorber can only eliminate the vibration peak at a specific frequency. For different frequency vibrations, it is necessary to manufacture vibration absorbers o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F7/116
CPCF16F7/1028F16F7/116
Inventor 刘志超叶晟寇宇桥
Owner 宝能(广州)汽车研究院有限公司