Rotating Snubber Gap Gauge for Precise Resilient Mount Inspection
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Solution Overview
Problem
Conventional snubber gap measurement tools, such as Go/No-Go gauges, are inadequate as they only confirm the minimum gap size and do not provide precise measurements, which can lead to false readings or failure to detect excessive displacement, potentially causing machinery damage.
Innovation Solution
A set of snubber gap measurement tools with varying gauge heights and flag extensions, allowing for precise measurement by rotating the tool 90 degrees within the resilient mount's inspection window, where the gauge height of the last tool to rotate freely indicates the snubber gap size, enabling incremental precision from 1 mm to 12 mm or more.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a Go/No-Go gauge is used to measure the snubber gap, then the minimum gap size can be confirmed, but the measurement precision is insufficient and cannot detect excessive displacement
Solution Approach 1:
The patent changes the measurement parameter from a binary Go/No-Go indication to a continuous scale measurement by incorporating a scale with numerical values that correspond to different gap sizes. This allows precise measurement of the actual gap dimension rather than merely confirming whether it meets a minimum threshold.
Solution Approach 2:
The patent replaces the simple mechanical Go/No-Go gauge mechanism with a more sophisticated system that combines a rotatable stem, scale markings, and numerical indicators. This mechanical substitution enables continuous measurement reading while maintaining the basic insertion and rotation operation.
2Volume of moving object
If a small inspection window is provided in the resilient mount, then the mount structure is compact, but the device complexity increases for measuring tools that must fit through the window
Solution Approach 1:
The measurement tool is segmented into distinct functional components: a thin stem for insertion through the small window, a rotatable measurement mechanism with scale, and a flag indicator. This segmentation allows the tool to fit through limited space while maintaining complex measurement capabilities.
Solution Approach 2:
The patent utilizes the rotational dimension by allowing the stem to rotate 90 degrees within the inspection window. This dimensional change enables the measurement mechanism to access the snubber gap from a compact insertion point, effectively using rotational motion to overcome spatial constraints.
3Device complexity
If a Go/No-Go gauge is used, then the tool simplicity is maintained, but false readings may occur and cannot provide actual measurement values
Solution Approach 1:
The patent incorporates a feedback mechanism where the scale markings and numerical values provide continuous visual feedback about the actual gap measurement. As the stem rotates to match the gap size, the user can read the corresponding value, providing real-time feedback that prevents false readings and delivers accurate measurement information.
Solution Approach 2:
The patent uses visual indicators including color-coded zones (green for acceptable range, red for unacceptable range) that change based on the measured gap size. This visual feedback system maintains tool simplicity while preventing loss of measurement information through intuitive color-based interpretation of measurement values.
Data Source
AI summary
A snubber gap measurement tool and a method for measuring snubber gaps in resilient mounts are provided. The tool has a handle, a stem, and a flag, and is sufficiently thin to fit within a resilient mount's inspection window. Upon rotation by 90 degrees the tool's flag extends within the snubber gap and thereby allows measurement of the snubber gap.