Track Roller Shim With Integrated Retention Elements
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Solution Overview
Problem
Existing shims for track roller frames in machines are difficult to install and retain, often getting lost due to wear and longitudinal movement, leading to suboptimal engagement of idler wheels with tracks.
Innovation Solution
A shim with retention elements, such as a flange and tabs, is designed to securely position and couple to the track roller frame, restricting movement and eliminating the need for external fastening, allowing for easy installation and retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional shims without retention elements are used, then the shim structure is simple and easy to manufacture, but the shim is difficult to install and retain, often getting lost due to wear and longitudinal movement
Solution Approach 1:
The shim incorporates retention elements (protrusions, tabs, or flanges) that enable it to self-retain on the track roller frame without requiring external fastening components. The retention elements engage with corresponding recesses or surfaces on the frame, allowing the shim to secure itself in position during operation.
Solution Approach 2:
The retention elements are integrated directly into the shim body, combining the spacing function and the retention function into a single component. This eliminates the need for separate fastening mechanisms while maintaining structural simplicity.
2Reliability
If shims are secured to the track roller frame via fastening through bolts or welds, then the shim retention is improved, but the installation complexity and time increase
Solution Approach 1:
The shim's retention elements automatically engage with the track roller frame structure, providing reliable retention without requiring external fastening operations. This self-securing mechanism ensures the shim remains in position during machine operation while allowing for quick removal and replacement when needed.
Solution Approach 2:
The retention elements are designed to accommodate the dynamic conditions of machine operation, including vibration and movement, while maintaining secure engagement. The design allows the shim to remain firmly attached during operation but enables easy removal when maintenance is required.
3Adaptability or versatility
If the shim is designed to allow idler wheel sliding for track tensioning, then the track tensioning function is enabled, but the shim may easily get lost if not secured to the track roller frame
Solution Approach 1:
The shim integrates multiple functions: spacing between worn components, retention on the track roller frame through integrated retention elements, and allowance for idler wheel sliding for track tensioning. The retention elements provide secure attachment while the shim's design accommodates the necessary movement for tensioning operations.
Solution Approach 2:
Different portions of the shim have different properties: the retention elements provide secure engagement with the frame, while other portions allow for controlled movement and sliding of the idler wheel. This localized differentiation enables both retention and tensioning functionality.
Data Source
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AI summary
A shim (310) for a track roller frame (202) is provided. The shim (310) includes a first surface (402) and a second surface (404). The first surface (402) and the second surface (404) are laterally spaced apart from each other. The first surface (402) and the second surface (404) define a thickness (T) of the shim (310) therebetween. The shim (310) further includes a retention element (406) formed on it. The retention element (406) is configured to position the shim (310) on the track roller frame (202). The retention element (310) is also configured to restrict a movement of the shim (310) relative to the track roller frame (202). The retention element (406) is further configured to couple the shim (310) to the track roller frame (202).