Curved Front Support Carrier for Vehicle Rigidity
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Solution Overview
Problem
The existing motor vehicle front carriage structures lack sufficient rigidity, which affects the vehicle's travel dynamics and safety during impacts.
Innovation Solution
The front carriage structure is enhanced by connecting wheel house carrier structures to motor carriers and front body pillars with specifically angled and curved support carriers, creating a continuous force path and securing them with flanges to increase rigidity, including a curved path for the front support carrier and angled extensions for the rear support carriers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the front carriage structure uses conventional straight support carriers, then the manufacturing is simpler, but the rigidity and force distribution are insufficient
Solution Approach 1:
The front support carrier is designed with a curved path instead of a straight configuration. The curvature allows the support carrier to follow a more efficient force transmission path from the suspension strut receiving member to the motor carrier, improving rigidity and force distribution while maintaining structural integrity
Solution Approach 2:
The support carriers are configured to extend in multiple dimensions - the front support carrier extends downward and inward in both vertical and horizontal planes, while the rear support carriers extend horizontally and obliquely. This multi-dimensional configuration creates a more rigid three-dimensional structure that better distributes forces during impacts
2Strength
If the support carriers are secured with multiple flanges in different planes, then the rigidity and force distribution improve, but the manufacturing complexity increases
Solution Approach 1:
Two flanges are positioned in different spatial planes - one in the horizontal plane and another in the vertical plane perpendicular to it. This multi-planar flange configuration creates a three-dimensional securing arrangement that maximizes rigidity and force distribution while providing stable mounting surfaces for the support carriers
Data Source
AI summary
A motor vehicle has a front-end vehicle structure which has a wheelhouse support structure on each side of the front-end vehicle structure, in each of which wheelhouse support structure a bearer extends from an A-column to an engine support via a suspension strut receptacle. An engine support is formed beneath each wheelhouse support structure. The front supporting bearer extends in a vertical plane in an arc from the suspension strut receptacle downwards to the engine support. The front supporting bearer extends in a horizontal plane in an arc from the suspension strut receptacle from the outside inwards in the direction of a longitudinal axis of symmetry through an angle to the engine support, and the front supporting bearer is fastened with the front end thereof to the engine support.