Coupling Flange Misalignment Detection via Visual Gaps and Transducers
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Solution Overview
Problem
Existing methods for detecting misalignment between shafts are complex and require sophisticated instruments, making it difficult to detect unpermitted misalignment in a simple and efficient manner.
Innovation Solution
A coupling device with bell-shaped flanges that form a circumferential axial gap, allowing for visual detection of misalignment from multiple radial directions, and incorporating transducers to convert mechanical movement into electrical or acoustic signals for easy detection and alerting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If sophisticated measuring instruments with light beam bundles are used to detect misalignment, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent extracts the misalignment detection function from complex external measuring instruments and integrates it directly into the coupling device itself. The flanges incorporate visual indicators and marking elements that directly show misalignment without requiring separate sophisticated instruments, thereby maintaining measurement precision while reducing device complexity.
Solution Approach 2:
The coupling device performs self-detection of misalignment through integrated visual indicators on the flanges. The system serves its own detection needs by incorporating marking elements and gap indicators that allow direct visual assessment of misalignment, eliminating the need for external complex measuring equipment.
2Measurement precision
If complex optical measuring methods are employed, then measurement precision is improved, but ease of operation deteriorates
Solution Approach 1:
The patent uses visual marking elements and color-coded indicators on the flanges that change position or become visible when misalignment occurs. This allows operators to detect misalignment through simple visual observation rather than complex optical measurements, greatly improving ease of operation while maintaining adequate precision for practical purposes.
Solution Approach 2:
Instead of using complex instruments to measure misalignment, the patent inverts the approach by making the misalignment itself visually apparent through the positioning and appearance of marking elements on the flanges. The misalignment directly creates a visible indication that can be observed without sophisticated equipment, simplifying operation.
3Ease of operation
If bell-shaped flanges with circumferential gaps are used, then ease of operation is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent employs asymmetric marking elements and non-uniform gap designs in the bell-shaped flanges that are intentionally created during manufacturing. These asymmetric features serve as reference points for visual misalignment detection. The asymmetry is built into the manufacturing process, so while precision is required, it is for creating specific reference features rather than maintaining perfect uniformity throughout.
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
Enables simple and efficient visual assessment and notification of shaft misalignment, reducing the complexity of detection and providing a direct method for determining and addressing misalignment during operation.
Implementation Method 1
providing at least one of the flanges or one of the elements meshing with the two flanges with at least one transducer for generating an electrical signal or an acoustic signal from mechanical movement
Implementation Method 2
the excitation element being designed so as to excite the bell-shaped flange to produce acoustic vibration by periodic contact with it
Data Source
AI summary
The invention relates to a coupling device for connecting a first shaft (10) to a second shaft (12) by means of two flanges (16, 18, 22, 24) that are meshed with one another, wherein the flanges are provided or designed with means (30, 32, 111, 211, 311, 317, 319, 321) of enabling the axial and/or radial relative misadjustment thereof due to a misalignment of the shafts to be visually observed. According to one variant, at least one of the flanges or an element (20, 26) meshed with the two flanges is provided with at least one transducer (50, 60, 70, 80, 90, 94) for generating an electrical signal and/or acoustic signal from a mechanical movement, wherein said transducer is designed to generate the signal on the basis of a periodic movement of the flanges relative to one another, at least if the relative movement of the two shafts to one another, which occurs as the shafts rotate due to misalignment of said shafts, exceeds a certain value.