Hinged Rack Mounting Assembly for PDU Access During Maintenance
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Solution Overview
Problem
Conventional rack arrangements require technicians to remove internally mounted equipment, such as power distribution units, to access other equipment, leading to increased time and effort, risk of damage, and potential power loss during maintenance.
Innovation Solution
A mounting assembly that allows internally mounted equipment to remain attached to the rack while being pivoted out of the way, using a hinge assembly and attachment mechanism to facilitate access and repositioning for maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If internally mounted equipment is removed from the rack to access other equipment, then access to equipment is enabled, but maintenance time increases and risk of damage occurs
Solution Approach 1:
The mounting bracket incorporates a hinge assembly that enables dynamic movement between a first position (blocking access) and a second position (clearing access). This allows the PDU to remain mounted on the rack while being movable out of the way during maintenance operations, eliminating the need for complete removal and remounting.
2Ease of operation
If internally mounted equipment is removed from the rack to access other equipment, then access to equipment is enabled, but risk of equipment damage increases
Solution Approach 1:
The hinge assembly allows the PDU to pivot between positions while remaining securely attached to the mounting bracket. This maintains equipment integrity by preventing loss of mounting connectors and avoiding damage that could occur during complete removal and remounting operations.
3Ease of operation
If PDU is removed from the rack to access equipment, then access is enabled, but power loss occurs
Solution Approach 1:
The hinge mechanism enables the PDU to be pivoted out of the way while remaining electrically connected to the rack. This allows maintenance personnel to access equipment without disconnecting power cables, thereby preventing power loss and avoiding the need to power down system equipment.
4Reliability
If PDU remains mounted on the rack, then equipment security is maintained, but access to other equipment is blocked
Solution Approach 1:
The mounting bracket with hinge assembly provides a dynamic solution where the PDU can be positioned in a first configuration that secures the PDU to the rack, and a second configuration that clears access paths. This eliminates the need to choose between security and accessibility.
5Ease of operation
If PDU is repeatedly removed and remounted for maintenance, then access is achieved, but maintenance complexity increases
Solution Approach 1:
The hinge assembly transforms the maintenance procedure from a complex remove-and-remount process into a simple pivot motion. The PDU remains attached to the mounting bracket throughout, eliminating steps for unscrewing, handling, and remounting, thereby simplifying the overall maintenance procedure.
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
Enables easier and safer access to internal equipment within the rack, reducing maintenance time and minimizing the risk of equipment damage or power loss, while maintaining secure attachment post-service.
Implementation Method 1
a hinge assembly (26) connects the mounting plate (24) to the first end (18) of the mounting bracket (16)
Data Source
AI summary
A mounting assembly for mounting a piece of equipment, such as a power distribution unit to a rack. The mounting assembly includes a mounting bracket attached to the rack, a mounting plate attached to the equipment and a hinge assembly connecting the mounting plate to the first end of the mounting bracket while an attachment mechanism connects the mounting plate to the mounting bracket. A method of accessing the interior of the rack is also disclosed.