Segmented Gearbox Vibration Absorber for Retrofit Tuning
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Solution Overview
Problem
Conventional vibration absorbers are not easily retrofittable or adaptable to changing vibrations in gearboxes, leading to potential gearbox damage and noise issues.
Innovation Solution
A vibration absorber with a segmented absorber mass that is rotationally symmetrical and can be rigidly connected, allowing for flexible adaptation and retrofitting by securely fixing to the gearbox housing using elastomer bushings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional vibration absorbers are used, then vibration reduction is achieved, but retrofitting and adaptation to changing vibrations are not possible
Solution Approach 1:
The absorber mass is divided into multiple segments that can be independently adjusted. This segmentation allows the vibration absorber to be adapted to different vibration frequencies and amplitudes by reconfiguring the segments, while maintaining reliable protection against gearbox damage through optimized mass distribution.
2Ease of manufacture
If conventional vibration absorbers are used, then vibration reduction is achieved, but retrofitting to existing gearboxes is difficult
Solution Approach 1:
The segmented design allows the vibration absorber to be assembled in a modular fashion, making it easier to retrofit to existing gearboxes. The segments can be installed separately and connected, reducing installation complexity while maintaining the capability to reduce vibrations effectively.
Solution Approach 2:
The vibration absorber incorporates adjustable elements that allow dynamic reconfiguration after installation. This enables the system to adapt to changing operational conditions without requiring complex retrofitting procedures, simplifying both manufacture and installation.
3Object-affected harmful factors
If the absorber mass is made larger to reduce vibrations more effectively, then vibration reduction improves, but the weight and space requirements increase
Solution Approach 1:
By dividing the absorber mass into segments, the system achieves effective vibration reduction through optimized mass distribution rather than simply increasing total mass. The segments can be strategically positioned to maximize vibration cancellation efficiency while minimizing overall weight.
Solution Approach 2:
The system allows adjustment of mass distribution parameters by reconfiguring the segments. This enables optimization of the absorber's performance for different vibration scenarios without requiring a fixed large mass, thereby reducing weight while maintaining effective vibration control.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The segmented vibration absorber effectively reduces gearbox vibrations, prevents damage, and minimizes noise emissions, while also enabling easy retrofitting and adaptation to changing operational conditions.
Implementation Method 1
The vibration absorber can further include connectors that are rigidly connected to two segments each
Implementation Method 2
The segmented vibration absorber effectively reduces gearbox vibrations, prevents damage, and minimizes noise emissions
Data Source
AI summary
A vibration absorber for securely fixing to the housing of a gearbox includes an absorber mass having a first group of segments that are rotationally symmetrical to one another with respect to a rotational axis and/or central axis of the gearbox. The segments can be rigidly connected to one another. The vibration absorber can further include connectors that are rigidly connected to two segments each.