Trailer Extension With Swivel Wheels for Tight-Turn Load Transport
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Solution Overview
Problem
Trailers have limitations in carrying capacity and maneuverability, restricting their ability to carry maximum loads and make tight turns.
Innovation Solution
A trailer extension with swivel wheels and a steering assembly that allows for increased carrying capacity and improved maneuverability by integrating a trailer extension with a frame and incorporating swivel wheels for tighter turns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the trailer carrying capacity is increased, then the load-bearing capability is improved, but the maneuverability deteriorates
Solution Approach 1:
The trailer is divided into a frame portion and a separate extension portion that can be attached or detached. This segmentation allows the trailer to operate in two configurations: as a standard trailer with good maneuverability, or as an extended trailer with increased carrying capacity when the extension is attached to the frame.
Solution Approach 2:
The trailer incorporates swivel wheels at the rear of the extension portion that can freely rotate about a swivel axis. This dynamic feature allows the trailer to achieve tighter turn radii when the extension is attached, maintaining maneuverability despite the increased length and carrying capacity.
2Quantity of substance
If the trailer length is extended, then the carrying capacity is improved, but the turn radius increases
Solution Approach 1:
The swivel wheels are designed to freely rotate about a swivel axis that is perpendicular to the longitudinal axis of the frame. This dynamic swiveling capability allows the rear of the extended trailer to pivot independently, enabling the trailer to achieve tighter turn radii than would be possible with fixed rear wheels, thus reducing the effective turn radius despite the extended length.
Data Source
AI summary
A trailer for carrying and transporting a load includes a frame, a steering assembly, transport wheels, and a trailer extension with a pair of swivel wheels. The steering assembly is adjacent to the frame’s leading end and pivotable about at least one steering axis perpendicular to the longitudinal axis. Transport wheels are located on opposite lateral sides of the frame and movably support the frame, and at least one set of transport wheels are steerable via the steering axis. The trailer extension is mounted on the frame. The pair of swivel wheels are located on opposite lateral sides of the trailer extension and are freely rotatable about a rotation axis, enhancing the turn radius of the trailer.