Three-Wheel Front Suspension With Four-Point Load Distribution
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Solution Overview
Problem
Conventional three-wheeled vehicles with a singular front wheel face challenges in load distribution and stability due to a single rigidly mounted pivot point, leading to uneven load transfer and potential instability.
Innovation Solution
A suspension system featuring an arched brace with pivot tube and wheel-mount arm, allowing the wheel to pivot about a defined axis while distributing loads to four outer mounting points on the vehicle frame, decoupling pivot and suspension dynamics, and incorporating shock absorbers and adjustable outriggers for enhanced stability and load distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single rigidly mounted pivot point is used for the wheel, then the structure is simple, but load distribution is uneven and stability deteriorates
Solution Approach 1:
The single pivot point is segmented into four separate mounting points arranged in a rectangular pattern on the frame. This distributes the wheel loads across multiple locations, improving load distribution and vehicle stability while maintaining structural simplicity through the symmetric arrangement of the mounting points.
2Device complexity
If a single pivot point is used, then the device complexity is low, but load distribution becomes uneven
Solution Approach 1:
The mounting structure is segmented from a single pivot point into four distinct mounting points positioned at the corners of a rectangle. This segmentation allows the suspension system to distribute vertical, lateral, and longitudinal loads more evenly across the vehicle frame, preventing concentrated stress at any single location.
3Device complexity
If pivot and suspension dynamics are coupled, then the structure is simpler, but handling characteristics deteriorate
Solution Approach 1:
The coupled pivot-suspension system is segmented into independent functional elements: the pivot tube allows rotational movement about a vertical axis for steering, while the four mounting points provide independent suspension support. This decoupling enables separate optimization of steering response and suspension performance, improving handling characteristics.
4Ease of manufacture
If a conventional single-point mounting system is used, then component costs are lower, but strength and stability are reduced
Solution Approach 1:
The mounting system is segmented from a single high-stress connection point into four distributed mounting points. This reduces the stress concentration at each individual mounting location, allowing the use of lighter yet still sufficiently strong components and reducing overall material requirements while improving frame strength.
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 system provides improved load distribution, increased strength, and reduced component costs, enabling lighter and more stable three-wheeled vehicles with easier maintenance and handling characteristics, while maintaining contact patch stability during steering.
Implementation Method 1
The pivot tube is supported by pivot bearings, and the pivot bearings are angled contact bearings
Implementation Method 2
The bearing can be an angular contact bearing configured to withstand both axial and radial loads
Implementation Method 3
The third and fourth mounting points are configured to be coupled to shock absorbers
Data Source
AI summary
This disclosure describes a suspension system for a wheel on a three-wheeled vehicle. Specifically, a singular centrally mounted wheel can be mounted to the frame of a three-wheeled vehicle using the disclosed suspension system, which provides stable load bearing and pivoting of the wheel.