Utility Vehicle Frame and Tunnel Layout for Cargo Capacity
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Solution Overview
Problem
Current utility vehicles lack optimal structural integrity and cargo capacity, particularly in military operations, where they require enhanced strength, versatility, and space efficiency for both passengers and cargo.
Innovation Solution
The design incorporates a robust frame assembly with high-strength materials, a roll cage assembly, and strategically positioned drivetrain components, along with a cargo bed system that includes a rear tailgate and locking lever, to enhance vertical strength, passenger safety, and cargo accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the vehicle uses a conventional frame structure, then the manufacturing cost is lower, but the structural integrity and vertical strength are insufficient for military operations
Solution Approach 1:
The frame assembly incorporates high-strength materials and composite construction methods to achieve superior structural integrity and vertical strength while maintaining manufacturability. The tunnel member and frame members are designed as integrated composite structures that provide enhanced strength-to-weight ratio suitable for military utility vehicles.
2Quantity of substance
If the vehicle design prioritizes passenger seating space, then the passenger capacity increases, but the cargo capacity is reduced
Solution Approach 1:
The vehicle incorporates a removable and reconfigurable seating section that can be adjusted or removed to accommodate varying cargo requirements. The frame assembly includes integrated mounting points and structural features that allow dynamic reconfiguration between passenger and cargo configurations, enabling the same vehicle to serve multiple operational roles.
3Power
If the drivetrain assembly is positioned centrally for optimal power distribution, then the power delivery is improved, but the cargo space and passenger legroom are reduced
Solution Approach 1:
The drivetrain assembly is positioned in a vertically elevated location within the frame structure, utilizing the vertical dimension rather than consuming horizontal cargo or passenger space. This spatial reconfiguration allows optimal power distribution while preserving maximum cargo capacity and passenger legroom in the horizontal planning area.
4Adaptability or versatility
If the vehicle uses a simple frame design, then the device complexity is lower, but the operational versatility and accessory mounting capability are limited
Solution Approach 1:
The frame assembly incorporates integrated universal mounting points, accessory brackets, and standardized attachment interfaces that enable multiple operational configurations and accessory installations. The tunnel member and frame members include built-in mounting features that provide versatile operational capability while maintaining a relatively simple overall frame structure.
Data Source
AI summary
In one embodiment, a utility vehicle includes a plurality of ground-engaging members configured to contact a ground surface, and a powertrain assembly operably coupled to the ground-engaging members. The utility vehicle also includes a frame supported by the ground-engaging members and extending along a longitudinal axis of the utility vehicle. The utility vehicle further includes a tunnel member coupled to the frame and extending along the longitudinal axis. The tunnel member is positioned at a first height from the ground surface. Additionally, the utility vehicle includes a cargo portion supported by the frame and positioned generally rearward of the tunnel member. The cargo portion has a cargo surface substantially aligned with the tunnel member and positioned at a second height from the ground surface. The first height is approximately equal to the second height.