Axle Differential Guard with Removable Drain Plug Cover
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Solution Overview
Problem
Existing undercarriage guards for machines like landfill compactors fail to effectively protect axle housings from abrasion while also allowing easy access for maintenance, as they often interfere with the drain plug, making it difficult to service the oil within the axle housing.
Innovation Solution
A guard system for the axle housing with a removable portion that covers the drain plug aperture, allowing access and removal of the plug for servicing the oil without entirely removing the guard, while protecting the axle and differential from debris.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an undercarriage guard is installed to protect the axle housing from abrasion, then the durability of the housing is improved, but access to the drain plug for oil servicing becomes difficult
Solution Approach 1:
The guard is divided into a first portion that remains fixed to protect the housing, and a second portion that is removable to provide access to the drain plug. This segmentation allows the guard to simultaneously provide continuous protection while enabling periodic maintenance access without removing the entire guard assembly.
Solution Approach 2:
The guard transitions from a static, fully enclosed structure to a dynamic structure with a removable portion. This allows the guard to adapt between two states: a closed protective state during operation and an open accessible state during maintenance, resolving the contradiction between protection and accessibility.
2Object-affected harmful factors
If the guard completely covers the ground-facing surface for maximum protection, then abrasion resistance is improved, but the drain plug becomes inaccessible for oil draining
Solution Approach 1:
The guard is segmented into fixed and removable portions, with the removable portion specifically positioned to cover the drain plug area when installed. This allows the guard to provide complete coverage for debris protection while enabling easy access to the drain plug for oil draining by simply removing the second portion.
Solution Approach 2:
The drain plug access function is extracted from the main guard body and incorporated into a separate removable portion. This allows the drain plug to remain accessible for oil draining while the rest of the housing maintains complete protective coverage.
Data Source
AI summary
A guard for protecting a drain plug and a ground-facing surface of an axle housing on a machine including a first portion and a second portion. The first portion has a body configured to be mounted to the axle housing to protect at least portion of the ground-facing surface of the axle housing. The body includes an opening configured to allow access to and removal of the drain plug through the opening. The second portion is removably couplable to the first portion. When the second portion is attached to the first portion, the second portion covers the opening to protect the drain plug. When the second portion is removed, the drain plug is accessible and removable to service oil in the axle housing.