Bearing Assembly Access Apertures for Replaceable Fire Monitor Bearings
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Solution Overview
Problem
Oscillating monitors in fire suppression systems have a limited operational lifespan due to wear of ball bearings, necessitating frequent replacement of the entire assembly, which is costly and inefficient.
Innovation Solution
A bearing assembly design that allows for the removable replacement of bearings without disassembling other components, facilitating access from a single side and utilizing a rotational coupling with access apertures for easy maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire oscillating monitor assembly is replaced when ball bearings wear out, then reliability is maintained, but loss of substance increases and loss of time increases
Solution Approach 1:
The oscillating monitor assembly is divided into separable components: the bearing assembly can be independently removed from the oscillating monitor body. This segmentation allows replacement of only the worn ball bearings rather than the entire assembly, reducing material waste while maintaining reliability.
Solution Approach 2:
The design enables recovery and retention of the oscillating monitor body, connection flange, and other components after bearing replacement. Only the worn ball bearings are discarded, while valuable components are recovered and reused, significantly reducing material waste.
2Reliability
If the entire oscillating monitor assembly is replaced when ball bearings wear out, then reliability is maintained, but loss of time increases
Solution Approach 1:
The bearing assembly is segmented as a removable unit that can be quickly detached and replaced without disassembling the entire oscillating monitor, significantly reducing maintenance downtime while ensuring reliability through bearing replacement.
Solution Approach 2:
The bearing assembly is pre-configured with access apertures and fastener arrangements that enable rapid replacement. The design anticipates maintenance needs by providing ready-access pathways for bearing removal and installation, minimizing downtime.
3Strength
If multiple fasteners are used to secure the bearing assembly, then strength increases, but ease of repair decreases
Solution Approach 1:
The fastening system is segmented into multiple independently accessible fasteners distributed around the bearing assembly. This allows partial disassembly for bearing replacement without removing all fasteners, maintaining strength while improving repair ease.
Solution Approach 2:
Access apertures are positioned in multiple dimensional locations on the bearing assembly, allowing maintenance personnel to reach fasteners from different angles and directions. This spatial arrangement maintains secure coupling while enabling easier access for repair operations.
4Reliability
If the bearing assembly is permanently coupled to the fluid supply conduit, then reliability increases, but ease of repair decreases
Solution Approach 1:
The coupling between the bearing assembly and fluid supply conduit is made dynamic rather than static. Fasteners allow the connection to be securely fixed during operation (maintaining reliability) but easily detached during maintenance (improving repair ease).
Solution Approach 2:
The bearing assembly design includes self-contained access apertures and fastener mechanisms that enable maintenance personnel to service the bearings without requiring specialized tools or complex disassembly procedures, improving ease of repair while maintaining connection stability during operation.
Data Source
AI summary
A rotational coupling including a bearing assembly including a first race rotatably coupled to a second race, wherein the first race is configured to receive a plurality of first fasteners to couple the first race and the bearing assembly to a fluid supply. The rotational coupling also including a connection flange coupled to the second race and configured to receive a plurality of second fasteners to couple the connection flange to the second race. The second race includes a first side facing the connection flange and a second side opposite the first side and facing the first race, wherein the second race includes at least one access aperture configured to enable access to the plurality of first fasteners from the first side to removably couple the bearing assembly to the fluid supply.