Axle Fairing Protuberances Prevent Clinging
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Solution Overview
Problem
In the field of road freight transport, individuals often clandestinely enter or cling to the loading space or chassis of vehicles, posing safety risks and liability concerns for operators.
Innovation Solution
The design of a transverse axle for road vehicle chassis featuring a peripheral outer surface with protrusions on fairings that prevent stabilization, such as pointed shapes extending over at least 50% of the axle body length, to discourage individuals from clinging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the axle body has a smooth peripheral outer surface, then the manufacturing is simpler and the structure is more basic, but individuals can easily cling to the axle body under the bodywork creating safety risks
Solution Approach 1:
The fairing is provided with localized protuberances at specific positions (transversely between the mounting surfaces of the peripheral outer surface) rather than changing the entire axle body structure. This targeted modification creates anti-clinging features only where needed, maintaining manufacturing simplicity while addressing the safety hazard at the critical location.
Solution Approach 2:
The invention converts the potentially harmful smooth surface of the axle body into a beneficial anti-clinging surface by adding protuberances. These protuberances transform the axle surface from one that facilitates clinging into one that actively prevents stabilization, turning a safety risk into a safety feature.
2Object-affected harmful factors
If protuberances are added to the fairing to prevent stabilization, then safety is improved by preventing individuals from clinging, but the device complexity increases
Solution Approach 1:
The anti-clinging function is segmented into discrete protuberances distributed along the fairing rather than implementing a continuous complex structure. Each protuberance is a simple geometric feature, and their collective arrangement provides the anti-stabilization function without requiring a highly complex overall design.
Solution Approach 2:
The fairing, which already serves as a protective covering for the axle body, is given an additional function by adding protuberances to it. This multi-functional approach allows the same component to provide both protection and anti-clinging features, avoiding the need for separate safety devices and thus limiting the increase in overall device complexity.
3Object-affected harmful factors
If the protuberance extends transversely over the entire length of the fairing, then the anti-clinging effect is maximized, but the manufacturing precision requirements increase
Solution Approach 1:
The invention provides flexibility in the transverse extension parameter of the protuberance, allowing it to be adapted to different manufacturing capabilities. The protuberance can extend over the entire length of the fairing for maximum effectiveness, or over a portion (at least 50%, at least 70%, or at least 90%) for reduced manufacturing precision requirements, enabling implementation across different production contexts.
Data Source
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AI summary
The axle for a road freight vehicle chassis comprises a transverse axle body 26 intended to support wheels. The axle further comprises at least one fairing 34 fixed to the peripheral outer surface 26a of the axle body and shaped to prevent a person from stabilizing on the axle body in the area of said protrusion.