Conveyor Guard Assembly With Friction-Reducing Roller Features
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Solution Overview
Problem
Conventional guard apparatuses for conveyor systems experience friction-related issues, leading to reduced life and reliability, loosening, and unintentional breakage, while also increasing manufacturing complexity and cost due to complicated profiles.
Innovation Solution
A guard assembly with a top cover and holder, featuring friction-reducing elements like recessed serrations and tapered grooves, is designed to secure between adjacent rollers, reducing friction and preventing loosening, while allowing for easy assembly and adjustment to fit various conveyor systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional guard apparatuses are used in conveyor systems, then they provide basic protection, but they experience friction-related issues leading to reduced life and reliability, loosening, and unintentional breakage
Solution Approach 1:
The top cover incorporates friction-reducing features (recessed serrations and/or tapered grooves) at specific locations where contact with rollers occurs. This local modification reduces friction at critical contact points without requiring complex profile changes throughout the entire guard structure, thereby improving reliability while minimizing friction-related wear and loosening
Solution Approach 2:
The invention changes the surface geometry parameters of the top cover by introducing recessed serrations and/or tapered grooves. These geometric modifications alter the contact characteristics between the guard apparatus and rollers, reducing friction coefficients and preventing the loosening and breakage associated with conventional smooth-surfaced guards
2Strength
If conventional guard apparatuses with complicated profiles are used, then they may provide structural strength, but manufacturing complexity and cost increase
Solution Approach 1:
Rather than using complicated profiles throughout the entire guard structure, the invention applies friction-reducing features (recessed serrations and/or tapered grooves) only at specific locations on the top cover where roller contact occurs. This localized approach maintains structural strength while significantly reducing manufacturing complexity compared to conventional designs requiring complex profiles across the entire apparatus
Solution Approach 2:
The guard assembly is divided into distinct functional components: a simple holder structure and a top cover with specific friction-reducing features. This segmentation allows the majority of the structure to remain simple and easy to manufacture, while only the critical contact areas on the top cover have the added geometric complexity needed for friction reduction
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 guard assembly enhances reliability and durability by minimizing friction, preventing unauthorized access and debris accumulation, and reducing manufacturing costs through a simplified design.
Implementation Method 1
the top cover defines a plurality of friction-reducing features proximal to at least one roller of the conveyor system. In various embodiments, the friction-reducing features includes a plurality of recessed serrations. In various embodiments, the friction-reducing features includes a plurality of tapered grooves.
Data Source
Figure 1
Figure 2
Figure 3A
AI summary
Various embodiments are directed to a guard assembly for a conveyor system. The conveyor system comprises a plurality of rollers rotatably disposed between a pair of side frames of the conveyor system. The guard assembly comprises a top cover and a holder such that the top cover is disposed in a gap between two adjacent rollers of the plurality of rollers of the conveyor system; the holder is detachably coupled to the top cover; the holder is configured to secure the top cover between the two adjacent rollers of the conveyor system and the top cover defines a plurality of friction-reducing features proximal to at least one roller of the conveyor system.