Anti-Rotation Plug for Track Link Assembly
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Solution Overview
Problem
Track link assemblies in track-type work machines often suffer deformation and damage during handling and transportation, leading to non-conforming features that complicate assembly and affect the machine's performance.
Innovation Solution
A link assembly design featuring a full track link with a fastening aperture and an anti-rotation plug made of materials like plastic or rubber, which prevents the over-rotation of the master link portion during assembly, coiling, transportation, and uncoiling, ensuring a flush mating surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the master link portion is packaged and transported without protection, then the link assembly can be kept simple and compact, but the master link portion becomes deformed and damaged during handling and transportation
Solution Approach 1:
The anti-rotation plug is installed in the fastening aperture before the master link portion is packaged for transportation. This preliminary action prevents over-rotation and deformation during handling, eliminating the need for complex protective structures while ensuring the master link surface remains undamaged throughout storage and transport.
2Manufacturing precision
If the master link portion is allowed to rotate freely during assembly, then the assembly process is simple, but the master link surface becomes non-conforming and assembly becomes complicated
Solution Approach 1:
The anti-rotation plug is positioned in the fastening aperture before assembly operations begin. This preliminary constraint prevents the master link portion from over-rotating during assembly, ensuring the surface remains conforming and eliminating the need for complex correction procedures later in the assembly process.
3Reliability
If the link assembly is designed without an anti-rotation plug, then the device complexity is reduced, but deformation and damage occur during handling and transportation
Solution Approach 1:
The anti-rotation plug is made from a inexpensive material that can be easily inserted and removed. It serves its protective function during transportation and assembly, then can be removed without causing damage. This simple, low-cost solution provides effective protection against deformation without requiring complex structural modifications to the link assembly.
Data Source
AI summary
A link assembly for a machine is disclosed herein. The link assembly includes a first master link portion, a full track link, and a plug. The full track link is coupled to the first master link portion. The plug is positioned within the full track link and adjacent to the first master link portion. The plug is positioned and shaped to prevent the rotational movement of the first master link portion.