Universal Hanger Axle Alignment
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Solution Overview
Problem
Conventional hanger designs for heavy-duty vehicle axle/suspension systems require multiple opening patterns to fit various frame configurations, leading to increased manufacturing costs and potential misalignment issues that can cause irregular tire wear due to toe-in or toe-out conditions.
Innovation Solution
The hanger design incorporates circular or oblong-round openings for cross member mounting and slotted openings for main member mounting, allowing for universal attachment and adjustable spacing, eliminating the need for matched-drilled openings and reducing the complexity of frame configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple opening patterns are provided on the hanger to fit various frame configurations, then the adaptability of the hanger is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The hanger is designed with a single universal opening pattern that can accommodate multiple frame configurations. The top plate includes a first opening and a second opening that can work together in different combinations to fit various frame types, eliminating the need for multiple specialized opening patterns while maintaining broad adaptability
Solution Approach 2:
The opening pattern is divided into multiple discrete openings (first opening, second opening, etc.) that can be selectively used in different combinations. This segmentation allows the same hanger design to adapt to different frame configurations by using different pairs of openings, reducing complexity while maintaining versatility
2Manufacturing precision
If matched-drilled openings are required at installation time, then the manufacturing precision of hanger spacing is improved, but the loss of time and productivity decrease
Solution Approach 1:
The hanger is pre-configured with multiple openings during manufacturing, so that the correct opening pattern is already in place before installation. This preliminary preparation eliminates the need for time-consuming matched-drilling operations at the installation site, while still ensuring precise hanger spacing through the pre-planned opening locations
3Manufacturing precision
If rigid fixed spacing is used for hanger mounting, then the manufacturing precision is improved, but the adaptability to different frame configurations decreases
Solution Approach 1:
The hanger mounting system transitions from a fixed rigid configuration to a dynamic selectable configuration. The presence of multiple openings allows the installer to select and adjust which openings are used based on the specific frame configuration, providing adaptability while maintaining precision through the structured arrangement of predefined opening locations
Data Source
AI summary
A hanger for axle/suspension systems of a heavy-duty vehicle includes an outboard wall spaced apart from an inboard wall. The outboard wall is connected to the inboard wall via a front wall. The outboard wall and the inboard wall are formed with an aligned opening extending through the outboard wall and the inboard wall. A top plate connected to the inboard wall, the outboard wall and the front wall. The top plate is formed with at least one circular opening or laterally oriented oblong-round opening and at least one laterally slotted opening. A fastener is disposed through the at least one circular opening or oblong-round opening. A second fastener is disposed through the at least one laterally slotted opening for mounting the hanger to a frame of the heavy-duty vehicle.