Cargo Delivery Vehicle Layout for Low Center of Gravity
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Solution Overview
Problem
Conventional cargo vehicles face challenges with high center of gravity, susceptibility to tipping, difficulty in navigating narrow spaces, and large turning radii, making last-mile deliveries inefficient and hazardous, especially in urban environments.
Innovation Solution
A vehicle design featuring a pair of front wheels and a back wheel configuration with diametrically smaller rear wheels, a frame structure, a rear carrier, and a rear suspension system to lower the center of gravity and reduce turning radius, enhancing stability and maneuverability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional cargo vehicles are used for last-mile delivery, then they can transport goods from distribution hub to final destination, but they are susceptible to tipping or overturning around corners and turns due to high center of gravity
Solution Approach 1:
The patent introduces a fourth wheel at the rear of the vehicle, transitioning from a traditional three-wheeler configuration to a four-wheeler configuration. This dimensional change in wheel arrangement fundamentally alters the vehicle's stability characteristics by providing an additional contact point with the ground, thereby reducing the center of gravity and preventing tipping during turns while maintaining cargo transport capability
2Ease of operation
If conventional cargo vehicles are used, then they can carry cargo, but they have larger turning radii making it difficult to navigate narrow lanes and congested areas
Solution Approach 1:
The patent segments the wheel arrangement into four distinct wheels positioned at the corners of a rectangular frame, with the fourth wheel at the rear. This segmentation allows each wheel to independently contact the ground, reducing the overall turning radius and improving maneuverability in narrow urban streets and congested areas while maintaining cargo carrying capacity
3Productivity
If conventional cargo vehicles are used, then they can perform last-mile delivery, but they are difficult to navigate through congested areas leading to increased delivery times
Solution Approach 1:
The patent employs a dynamic wheel arrangement where the fourth rear wheel can be selectively engaged or disengaged. When navigating congested areas or narrow streets, the vehicle operates in a more maneuverable configuration, reducing turning radius and improving navigation speed. This dynamic adaptability optimizes delivery efficiency by minimizing time loss in challenging urban environments
Data Source
AI summary
A vehicle is provided. The vehicle includes a wheel arrangement having a pair of front wheels and a back wheel configuration. The vehicle further includes a frame that is coupled to the wheel arrangement and a steering assembly mounted at a front portion of the frame. The vehicle further includes a battery unit that is disposed on a support portion of the frame and a pedal unit that is mounted at a middle portion of the frame. The vehicle further includes a rear carrier that is proximal to the back wheel configuration and configured to support a cargo container. The vehicle further includes a rear suspension that is mounted on a rear portion of the frame in proximity to the back wheel configuration.