Heavy-Duty Axle-to-Beam Connector Using Window Weld Openings
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing axle-to-beam connection designs in heavy-duty vehicle suspension systems rely on U-bolts, U-bolt brackets, and associated hardware, which increase weight, cost, and maintenance, while offering limited flexibility and manufacturing efficiency.
Innovation Solution
A connector with window weld openings is used to create a conforming fit between the axle and beam, eliminating the need for U-bolts and associated hardware, providing a more robust and flexible connection with fewer components, and allowing for automated manufacturing processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If U-bolts, U-bolt brackets, and associated hardware are used to connect the axle to the beam, then the connection provides structural support and securing, but the weight, cost, and device complexity increase
Solution Approach 1:
The connector merges multiple separate components (U-bolts, U-bolt brackets, and associated hardware) into a single integrated structure. This connector has a U-shaped cross-section that directly embraces the axle and includes integrated attachment means for securing to the beam, eliminating the need for separate U-bolts and brackets while maintaining connection strength
Solution Approach 2:
The connector serves multiple functions simultaneously: it acts as the U-bolt that embraces the axle, provides the U-bolt bracket structure for attachment to the beam, and includes integrated attachment means for securing. This multi-functional design reduces the total number of components and overall weight while maintaining all necessary connection functions
2Strength
If U-bolts, U-bolt brackets, and associated hardware are used to connect the axle to the beam, then the connection provides structural support, but the number of components and manufacturing complexity increase
Solution Approach 1:
The connector combines multiple separate components into one integrated part. The single connector structure includes the U-shaped portion for embracing the axle and the attachment means for securing to the beam, reducing device complexity by eliminating the need for multiple separate components and their associated assembly steps
Solution Approach 2:
The connector is formed with a U-shaped cross-section that segments the connection function into distinct structural zones: the U-shaped portion for axle embrace and the attachment means for beam connection. This segmentation within a unified structure allows for optimized stress distribution while maintaining manufacturing simplicity
3Productivity
If a connector with window weld openings is used to create a conforming fit between the axle and beam, then manufacturing efficiency is enhanced and automation is enabled, but the manufacturing precision requirements increase
Solution Approach 1:
The connector is designed with a conforming fit shape that is preliminarily formed to match the axle geometry. The window weld openings are pre-positioned to allow weld access, enabling automated welding processes to create precise joints without requiring complex real-time adjustments during manufacturing
Solution Approach 2:
The window weld openings act as intermediaries that facilitate the welding process. These openings provide access for weld electrodes to reach the joint between the connector and axle/beam, enabling automated welding while maintaining precise fit-up through the conforming shape of the connector
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution reduces weight and cost, enhances manufacturing efficiency, and offers greater flexibility in S-cam orientation, while maintaining or improving the robustness of the axle-to-beam connection, thus addressing the limitations of prior art designs.
Implementation Method 1
The connector is attached to the axle via a weld disposed along an interface between the window weld opening and the axle
Data Source
AI summary
An axle-to-beam connection for axle/suspension systems includes a connector having a U-shaped cross section and includes two pairs of legs. Each of the legs is formed with an opening. The connector extends longitudinally along the axle and is also formed with a pair of window weld openings adjacent to the axle. The connector provides a conforming fit of the connector to the axle when the connector is pulled over the axle using the leg openings and is attached to the axle and beam of the axle/suspension system.