Cantilever Vehicle Wheel Assemblies for Trackless Junction Routing
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Solution Overview
Problem
Existing transportation systems with elevated structures face challenges in arranging junctions that require route selection without moving parts on the tracks, necessitating additional wheels for track selection.
Innovation Solution
A vehicle design that utilizes engagable and retractable wheel assemblies on both sides to select routes at junctions, with all wheels serving either support or cantilever guidance in at least one mode, eliminating the need for moving parts on the track and additional wheels for route selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional junction arrangements are used with moving parts on tracks, then route selection can be achieved, but the device complexity and infrastructure requirements increase
Solution Approach 1:
Instead of having the track infrastructure provide route selection through moving parts, the invention inverts the approach by making the vehicle itself responsible for route selection through its wheel assemblies. The vehicle actively selects routes by deploying or retracting specific wheel assemblies, rather than the passive track system selecting routes for the vehicle.
Solution Approach 2:
The vehicle performs route selection autonomously using its own wheel assemblies without requiring external infrastructure intervention. The vehicle's wheel assemblies serve dual purposes: providing structural support/cantilever guidance and enabling route selection at junctions, making the system self-sufficient.
2Ease of operation
If additional wheels are added for track selection, then route selection is enabled, but the quantity of components and vehicle complexity increase
Solution Approach 1:
The wheel assemblies are designed to perform multiple functions: they provide structural support when engaged with running surfaces, provide cantilever guidance when engaged with guide surfaces, and enable route selection at junctions through selective deployment. This multi-functionality eliminates the need for separate dedicated route selection wheels.
Solution Approach 2:
The invention merges the route selection function with the existing support and guidance wheel assemblies. By combining these functions into a single integrated wheel assembly system, the patent reduces the total number of components while maintaining all necessary capabilities.
3Ease of operation
If moving parts are placed on the track for junction operation, then route selection is achieved, but the infrastructure complexity and maintenance requirements increase
Solution Approach 1:
The invention extracts the route selection function from the track infrastructure and relocates it to the vehicle. By removing moving parts from the track and placing them on the vehicle, the track infrastructure becomes simpler, more reliable, and easier to maintain.
Solution Approach 2:
The patent replaces the mechanical route selection system on the track with a vehicle-based wheel deployment system. This substitution transfers the mechanical complexity from the fixed infrastructure to the mobile vehicle, simplifying the overall system architecture.
Data Source
AI summary
A vehicle is configured to operate in a first mode in a cantilevered manner from a left side of the vehicle; in a second mode in a cantilevered manner from a right side of the vehicle; and in a third mode in which the vehicle is supported from beneath in a non-cantilevered manner. The vehicle comprises a number of wheel assemblies to facilitate operation in first, second and third modes. The vehicle is configured to navigate between first mode and second mode at junctions offering both options by electing different combinations of wheel engagement and disengagement.