Satellite Vehicle Wheel Axle Configuration for Track Stability
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Solution Overview
Problem
Automated warehouse satellites face instability and irregular movement due to discontinuities in tracks, as all wheels are driving wheels and lack sufficient support, leading to vertical movement and load instability.
Innovation Solution
The satellite vehicle is designed with first and second wheels arranged in pairs, where each pair has axles that do not coincide, ensuring at least one wheel remains on the track during discontinuities, and all wheels are drive wheels for continuous movement, with a frame and actuating means for advancing along tracks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all wheels are driving wheels to ensure continuous movement, then movement continuity is improved, but vertical movement and instability occur when passing discontinuities
Solution Approach 1:
The wheel system is segmented into driving wheels and non-driving wheels. The non-driving wheels (support wheels) are specifically positioned to provide stable support when passing discontinuities, while driving wheels ensure movement continuity. This segmentation allows the system to handle discontinuities without compromising either movement continuity or vehicle stability.
Solution Approach 2:
Different wheels have different functional qualities: driving wheels are positioned to ensure continuous movement, while non-driving support wheels are positioned to provide stable support during discontinuity passage. This local differentiation of wheel functions allows the system to maintain both movement continuity and stability simultaneously.
2Reliability
If multiple wheels are used to cover track discontinuities, then support continuity is improved, but device complexity increases
Solution Approach 1:
The wheel system is divided into functional segments: driving wheels for movement and non-driving support wheels for stability. This segmentation provides a clear, organized structure that maintains support continuity without excessive complexity.
Solution Approach 2:
Instead of making all wheels driving wheels (excessive action), the invention uses a partial approach with some driving and some non-driving wheels. This partial differentiation provides sufficient support continuity while avoiding the complexity of coordinating multiple driving mechanisms.
3Stability of the object's composition
If non-driving support wheels are added to maintain stability, then vehicle stability is improved, but the number of wheels and device complexity increase
Solution Approach 1:
Non-driving support wheels are strategically positioned at specific locations where stability is needed during discontinuity passage. This localized approach provides stability improvement without requiring a complete redesign of the entire wheel system.
Solution Approach 2:
The wheel system is segmented into driving and non-driving functions, with non-driving wheels specifically positioned to provide stability. This functional segmentation creates a manageable system structure that improves stability without excessive complexity.
Data Source
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AI summary
A satellite vehicle for automated storage systems, of the type provided with tracks for the vehicle to move along, comprising a frame (2), a support surface (5) of a load foreseen on top of said frame (2), first wheels (6) and second wheels (7), supported by said frame (2) respectively along a first side portion (3) and a second side portion (4) and suitable for rolling on the tracks of the automatic storage system, and actuating means (8) of said first wheels (6) and second wheels (7) to move the vehicle (1) along the tracks. The first wheels (6) and the second wheels (7) are arranged according to at least two pairs in which the first wheel (6) and the second wheel (7) of at least one of said pairs respectively have a first axle (XI) and a second axle (X2) not coinciding with one another.