Rover Wheel Assembly With Integrated Drive And Steering Sprockets
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Solution Overview
Problem
Existing roving deck wheel systems lack versatility and control in movement configurations, as they are limited in their ability to navigate complex paths and adjust steering and driving mechanisms efficiently.
Innovation Solution
A custom movable wheel assembly with both drive and steering capabilities, powered by battery-operated gear-motors and remote control, utilizing sprockets and chain loops to enable flexible movement and steering configurations, including four-wheel steering and various drive mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional wheel systems are used, then the structure is simple, but the maneuverability and steering control are limited
Solution Approach 1:
The patent combines both steering and drive functions into a single wheel assembly, with sprockets mounted on the same axle that supports the wheel. This integration allows the wheel to perform multiple functions (steering and driving) simultaneously, improving maneuverability without requiring separate mechanisms for each function.
Solution Approach 2:
The wheel assembly incorporates dynamic control capabilities through independent steering and drive sprockets that can be controlled separately. The ability to steer and drive simultaneously or independently provides dynamic maneuvering options, allowing the vehicle to navigate complex paths and perform tight turns that static or single-function wheel systems cannot achieve.
2Measurement precision
If independent steering and drive mechanisms are added, then the control precision is improved, but the device complexity increases
Solution Approach 1:
The wheel assembly is segmented into distinct functional components: a steering sprocket for directional control and a drive sprocket for propulsion. Each sprocket can be controlled independently, allowing precise control of steering and driving actions separately. This segmentation enables independent adjustment of steering angle and drive force, improving control precision while keeping each individual mechanism relatively simple.
3Adaptability or versatility
If four-wheel steering capability is implemented, then the adaptability for complex paths is improved, but the device complexity increases
Solution Approach 1:
Each wheel assembly is designed as a universal unit that can contribute to both steering and driving functions. The wheel assemblies can be configured in different arrangements (e.g., all four wheels steering, or combinations of steering and drive wheels), providing versatility in path navigation. This multi-functional design allows the same basic wheel assembly to adapt to various navigation requirements without requiring completely different mechanisms for different operating modes.
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
The solution allows for precise control and versatile movement of roving deck units along tracks, in steerable directions, and on complex paths, enhancing maneuverability and adaptability in stage performances and material handling.
Implementation Method 1
battery powered gear-motors
Data Source
AI summary
A movable and steerable device that has a platform with four wheel assemblies, any of which are both drivable and steerable. Different driving and steering options can make the device move in different directions and orientations. The driving can be done by a drive motor, forming a drive loop of material, such as chain, and a steering motor, also forming a steering loop. The different loops are attached to different sprockets on the device, which have different sizes, and therefore the different loops do not interfere with one another.