Two-Part Stud Joining Mechanism for Tight-Space Flange Repair
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Solution Overview
Problem
In situations where studs in flanged connections are difficult to remove due to limited space, existing methods require disassembly of equipment, leading to interruptions and reduced productivity.
Innovation Solution
A two-part stud joining mechanism that allows for the replacement of damaged studs in hard-to-reach places without disassembling the equipment, utilizing a cylindrical joining mechanism with internal threads to connect the two parts of the stud.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If a single long stud is used to join flanged connections, then the connection strength is maintained, but the stud cannot be replaced without disassembling the equipment when it becomes damaged
Solution Approach 1:
The stud is divided into two separate parts: a first stud part with external threads and a second stud part with internal threads. This segmentation allows the first stud part to be removed and replaced independently without disassembling the flanged connection, while the second stud part remains fixed in the equipment. The segmented design resolves the contradiction by enabling easy replacement of the external portion while maintaining the structural integrity of the overall connection.
2Ease of repair
If the stud is made replaceable in sections, then maintenance becomes easier, but the connection strength and reliability may be compromised
Solution Approach 1:
The first stud part and second stud part are joined together through threading, creating a unified connection structure. The external threads of the first stud part engage with the internal threads of the second stud part, forming a mechanically strong joint that maintains connection integrity. This merging ensures that despite the segmented design for ease of replacement, the overall reliability and strength of the flanged connection are preserved.
3Productivity
If the stud is divided into two parts, then replacement is possible without equipment disassembly, but the device complexity increases
Solution Approach 1:
The stud is segmented into a replaceable first part and a fixed second part, allowing maintenance personnel to remove and replace only the external first stud part without disassembling the entire equipment. This segmentation directly improves productivity by enabling quick maintenance operations while the fixed second part maintains structural stability, thereby justifying the increased assembly complexity.
4Productivity
If a traditional single-piece stud is used, then the structure is simple, but the stud cannot be retightened or replaced without interrupting equipment operation
Solution Approach 1:
By dividing the stud into two segments where the first part is externally threaded and removable, the invention enables maintenance operations without interrupting equipment. The first stud part can be unscrewed, replaced, or retightened independently while the second stud part remains fixed in the equipment, maintaining operational continuity and improving ease of maintenance.
Data Source
AI summary
The present application falls within the field of devices for joining structural elements or machine parts; more specifically, in the maintenance for equipment studs, such as heat exchangers, such that there are limitations. For example, the body of the equipment itself, or by any obstacle close to the connection (usually another piece of equipment), makes it not possible to remove all the studs from the connection without interrupting the operation to disassemble components. In this way, the present application comprises a joining mechanism for connecting a two-part stud. The first part of the two-part stud being on an opposite side to the second part of the two-part stud. The joining mechanism connects the first part of the two-part stud to the second part of the two-part stud in a symmetrical manner.