ATV Front Knuckle Camber Adjustment for Rough-Terrain Suspension
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Solution Overview
Problem
Current all-terrain vehicles do not effectively adapt to difficult terrain and trail conditions, leading to compromised comfort, sports performance, and service life.
Innovation Solution
The design includes a suspension system with a rocker A-arm configuration, a camber adjusting spacer, and a drive train with a front differential and sloping half shafts, optimizing the suspension structure to improve comfort and performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the suspension structure is optimized to improve comfort and sport performance, then the vehicle's ability to navigate difficult terrain is improved, but the device complexity increases
Solution Approach 1:
The suspension system is divided into separate functional components: upper rocker A-arms, lower rocker A-arms, front knuckles, and camber adjusting spacers. Each component performs a specific function, allowing independent optimization and adjustment of suspension geometry to improve terrain navigation capability while maintaining manageable complexity through modular design
Solution Approach 2:
The suspension system incorporates adjustable camber angles through removable spacers and rockers with varying length ratios (0.5 to 1.15), enabling dynamic adaptation to different terrain conditions and performance requirements. This adjustability allows the vehicle to optimize its suspension characteristics for specific trail conditions without requiring a completely different suspension design
2Adaptability or versatility
If the camber adjusting spacer is fully removed from the front knuckle, then the camber adjustment is achieved, but the time required for adjustment increases
Solution Approach 1:
The fastening system uses multiple fasteners where only a subset needs to be removed for camber adjustment. This partial action approach allows the adjustment to be completed with minimal disassembly, significantly reducing the time required compared to removing all fasteners, while still providing full camber adjustment capability
Data Source
AI summary
An all-terrain vehicle includes a frame, wheels, a suspension system, a prime mover assembly, and a drive train. The front suspension includes left and right upper rocker A-arms pivotally connected to the frame, left and right lower rocker A-arms pivotally connected to the frame, and left and right front knuckle connected between the respective upper and lower rocker A-arms and the respective front wheel. Each front knuckle has upper and lower connecting portions for attaching to the upper and lower rocker A-arms, at least one of which is separately formed from the main body with a flange connected to the main body by at least one fastener. A camber adjusting spacer can be positioned between the flange and the main body to adjust camber of the respective front wheel.