Curvedly Deformable Measuring Tip for Tire Resistance Inspection
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Solution Overview
Problem
The variation in the arrangement of low electrical resistance materials on tires makes it difficult to automate the inspection of electrical resistance, requiring manual adjustment of measuring tips, which increases operator burden and affects measurement stability across different tire specifications.
Innovation Solution
An electrical resistance measuring device with a curvedly deformable outer-peripheral-side measuring tip that can adapt to the tire's shape, combined with an inner-peripheral-side measuring tip, allows for stable contact and measurement without manual adjustment, using a measuring tip spacing adjusting mechanism and displacement mechanism to ensure consistent contact across different tire specifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a material with low electrical resistance is arranged on the tire to improve charge transfer, then electrical resistance decreases and charge transfer improves, but the arrangement varies due to manufacturing deviation and specifications, making automated inspection difficult
Solution Approach 1:
The measuring tip changes its physical state from rigid to flexible, allowing it to adapt to variations in tire specifications and manufacturing deviations. This parameter change enables the measuring tip to maintain stable contact with the tire surface regardless of where the low resistance material is arranged, thus enabling automated inspection while maintaining measurement reliability
Solution Approach 2:
The measuring tip is designed to be flexible rather than rigid, allowing it to dynamically adapt its shape to match the tire's surface contours and the varying position of low resistance materials. This dynamic adaptability resolves the contradiction by enabling automated inspection without requiring precise knowledge of material placement
2Measurement precision
If the measuring tip position is manually adjusted to accommodate different tire specifications, then measurement accuracy improves, but operator burden increases and productivity decreases
Solution Approach 1:
The flexible measuring tip serves itself by automatically adapting to different tire specifications without requiring manual adjustment. The tip's flexibility allows it to self-adjust its position and contact points on the tire surface, eliminating the need for operator intervention while maintaining measurement precision, thus resolving the contradiction between accuracy and productivity
3Device complexity
If a rigid measuring tip is used for inspection, then the device structure is simple, but contact stability with the tire surface varies due to tire specification differences
Solution Approach 1:
The measuring tip transitions from a rigid state to a flexible state, changing its physical parameters to allow adaptation to tire surface variations. This parameter change maintains relatively simple device structure while significantly improving measurement stability by enabling the tip to conform to different tire specifications without complex adjustment mechanisms
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 stable measurement of electrical resistance on tires with varying specifications without adjusting the measuring tip, ensuring accurate results regardless of tire size, shape, or manufacturing deviations, and effectively measures resistance across the tread portion with integrated low resistance materials.
Implementation Method 1
the outer-peripheral-side measuring tip may be elastically deformable, and may come into contact with the outer peripheral portion in an elastically deformed state
Data Source
AI summary
An electrical resistance measuring device for a tire (T) that measures the electrical resistance from a bead portion (71) to a tread portion (70) and includes a measuring tip (5a) that is curvedly deformable along the shape of the tire (T).