Adjustable frequency damping ring and drive shaft assembly

A vibration damping ring and transmission shaft technology, applied in the direction of rotational vibration suppression, spring/shock absorber functional characteristics, spring/shock absorber design characteristics, etc. speed, the effect of reducing the frequency difference

Active Publication Date: 2022-01-28
SAIC GENERAL MOTORS +1
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] In view of this, the object of the present invention is to propose a frequency-adjustable vibration damping ring and transmission shaft assembly, which can precisely control and change the frequency of the vibration damping ring, reduce the time taken for disassembly and assembly in the evaluation process, and solve the problem of vibration caused by different installation positions. Issues Affecting Assessment Results

Method used

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  • Adjustable frequency damping ring and drive shaft assembly
  • Adjustable frequency damping ring and drive shaft assembly
  • Adjustable frequency damping ring and drive shaft assembly

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward or away from, respectively, the geometric center of a particular component.

[0028] figure 1 It is a schematic diagram of a frequency-adjustable vibration damping ring used in a specific embodiment of the present invention. figure 2 for figure 1 Side view of the spacer for the frequency-tunable damping ring shown. image 3 for figure 1 Another side view of the shim for the frequency-tunable damping ring shown. Figure 4 I...

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Abstract

The invention discloses a frequency-adjustable vibration damping ring and a drive shaft assembly. The frequency-adjustable vibration damping ring includes: a vibration damping ring body, at least one notch is arranged on the vibration damping ring body; Both detachable connections have at least one spacer. The invention provides a frequency-adjustable vibration damping ring and transmission shaft assembly, which can precisely control and change the frequency of the vibration damping ring, reduce the time taken for disassembly and assembly in the evaluation process, and solve the problem that the evaluation result is affected by different installation positions.

Description

technical field [0001] The invention relates to the technical field of transmission shaft accessories, and more specifically, to a frequency-adjustable vibration damping ring and a transmission shaft assembly. Background technique [0002] After installing the vibration damping ring on the transmission shaft of the car, it can block the transmission path of abnormal vibration. The vibration damping ring can significantly improve the NVH (noise, vibration, abnormal sound) performance of the transmission shaft of the car, and improve the comfort of the car ride. It is a solution Effective means for vehicle NVH problems. [0003] Due to the single structure of the existing vibration damping ring, after the shape and material are fixed, the frequency it has is also relatively fixed. In the NVH debugging process, it takes a lot of time and cost to install vibration damping rings with different frequencies on the drive shaft and conduct vehicle debugging in order to find the vibr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F15/10
CPCF16F15/10F16F2228/04F16F2230/0005F16F2230/0035
Inventor 林奇姚汉波
Owner SAIC GENERAL MOTORS
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