Axle Bulkhead Structure for Conduit Routing and Contaminant Sealing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Heavy-duty vehicle axles with thin walls face challenges in supporting multiple conduits, tubing, and cables while preventing water, contaminants, and debris from entering the axle, which can weaken the structure and reduce the service life.
Innovation Solution
A reinforced bulkhead is designed for large openings in heavy-duty vehicle thin-walled axles, providing support and connection for conduits while preventing ingress of water and contaminants, and maintaining the strength and service life of the axle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If the wall thickness of the central tube is reduced to decrease axle weight, then the weight of the axle is reduced and cargo capacity is increased, but the structural strength and resistance to forces applied during operation are compromised
Solution Approach 1:
The bulkhead introduces localized reinforcement at the opening location where conduits pass through the central tube. This reinforces the specific weak area created by the opening without requiring to increase the wall thickness of the entire central tube, thus maintaining overall weight reduction while providing local structural support.
2Adaptability or versatility
If openings are created in the central tube to allow conduits to pass through, then conduit routing is enabled, but the structural strength of the axle is weakened and water/contaminant ingress is facilitated
Solution Approach 1:
The bulkhead segments the opening area into multiple reinforced sections around the conduit passages. This segmentation provides structural support at each conduit entry point while maintaining the overall integrity of the central tube wall, preventing the opening from becoming a weak point in the structure.
Solution Approach 2:
The bulkhead acts as an intermediary component between the interior and exterior of the central tube at the opening location. It provides a transition structure that maintains structural continuity while allowing conduits to pass through, effectively mediating between the need for conduit access and structural integrity.
3Adaptability or versatility
If openings are created in the central tube to allow conduits to pass through, then conduit routing is enabled, but the risk of water, contaminants, and debris ingress into the axle increases
Solution Approach 1:
The bulkhead acts as an intermediary barrier at the opening location, providing a sealed transition zone that prevents water, contaminants, and debris from entering the central tube through the conduit openings while still allowing the conduits to pass through.
4Adaptability or versatility
If multiple conduits, tubing, and cables are routed through the central tube, then vehicle systems are integrated, but the complexity of installing and routing these components increases
Solution Approach 1:
The bulkhead provides a universal mounting structure that can accommodate multiple conduits, tubing, and cables of different sizes and types. The reinforced opening and bulkhead assembly serve as a multi-functional interface that simplifies the routing and installation of various vehicle systems components through a single standardized structure.
Data Source
AI summary
An axle for a heavy-duty vehicle comprising a central tube, a pair of spindles, and a bulkhead. Each spindle of the pair of spindles is disposed at a respective axial end of the central tube. The bulkhead is disposed at least partially within an opening formed into the central tube and attached to the axle, providing support and connection for conduits passing from outside of the axle into the central tube while preventing ingress of water, contaminants, and debris into the central tube.