Shared Track Assembly With Curved Intersections for Stable Storage Handling
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Solution Overview
Problem
Existing storage systems face issues with load handling devices experiencing wheel bumping and vibration at track intersections due to right-angle cuts and gaps, leading to noise, wear, and complex assembly requirements.
Innovation Solution
A track system with dual tracks sharing a common surface, constraining only one side of the wheels to prevent lateral movement, and using interconnected track sections that meet at mid-points to reduce disruptions and simplify assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple track sections are interconnected at nodes to form a grid structure, then the track system can support load handling devices, but wheel bumping and vibration occur at track intersections due to right-angle cuts and gaps
Solution Approach 1:
The patent applies curvature by rounding the intersection corners of track sections instead of using sharp right-angle cuts. This creates smooth curved transitions at the nodes where track sections meet, allowing wheels to roll continuously without bumping over sharp edges. The curved geometry eliminates the harmful vertical impacts and vibrations that occur with conventional right-angle track intersections.
2Ease of manufacture
If track sections are cut at right angles and joined with gaps, then assembly is straightforward, but noise and wear increase due to wheel impact at intersections
Solution Approach 1:
The track sections feature curved transition zones at their ends where they meet other sections. These curved geometries replace sharp right-angle cuts, creating smooth rolling surfaces that eliminate impact noise and reduce wear on both wheels and track components. The curved design maintains manufacturing simplicity while dramatically reducing harmful noise and wear effects.
3Stability of the object's composition
If dual tracks share a common surface with constrained wheel sides, then lateral movement is prevented, but wheel bumping occurs at track intersections
Solution Approach 1:
The patent maintains the dual-track configuration with lateral constraint lips while modifying the intersection geometry. The curved transition zones at track nodes allow wheels constrained by lateral lips to pass through intersections smoothly without bumping. The curvature provides a gradual elevation transition that preserves lateral stability while eliminating vertical impact.
4Device complexity
If numerous track sections are used to form the grid framework, then the structure can be assembled, but assembly complexity and tooling costs increase
Solution Approach 1:
The patent divides the track system into modular track sections that can be assembled in different configurations to form the grid framework. Each section is standardized with curved ends designed to mate with adjacent sections. This segmentation allows flexible assembly while reducing the total number of unique components needed, thereby lowering tooling costs and simplifying the assembly process.
Data Source
AI summary
A system for guiding the movement of one or more load handling devices in operation includes: a) a first set of parallel tracks and a second set of parallel tracks, the first and second sets of parallel tracks sharing a common track, each track of the first and second set of parallel tracks providing a track surface; and b) a first load handling device and a second load handling device, each having a wheel assembly engaging with the track surface and with the track surface of the common track; wherein each track of the first and second sets of parallel tracks include only two guide surfaces extending from the track surface for guiding the first and second load handing devices along their respective first and second sets of parallel tracks.