Pipe Guide for Expansion Joint Axial Alignment
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Solution Overview
Problem
Existing pipe guides for expansion joints require additional guides for axial alignment and lack protection against fluid leaks, making them difficult to install and hazardous when the joint fails.
Innovation Solution
A pipe guide system comprising a first and second guide ring attached to each pipe, with a tubular shroud that surrounds and slidably engages the second guide ring, providing axial alignment and protection against fluid leaks through a sliding mechanism and optional restraint rods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If traditional pipe guides are positioned on either side of the expansion joint, then axial alignment of pipe sections is maintained, but installation becomes difficult and additional structural elements are required
Solution Approach 1:
The patent combines the alignment function and protection function into a single integrated pipe guide structure. The guide ring is merged with the protective shroud, eliminating the need for separate alignment devices on either side of the expansion joint. This unified structure maintains axial alignment while simplifying installation.
Solution Approach 2:
The pipe guide structure performs multiple functions simultaneously: it provides axial alignment guidance, protects against fluid leaks, and serves as a structural support element. The guide ring with integrated shroud accomplishes what previously required multiple separate components.
2Stability of the object's composition
If traditional pipe guides are used without protective features, then axial alignment is achieved, but personnel are exposed to hazardous leaking fluid when the joint fails
Solution Approach 1:
The protective shroud is installed beforehand to contain and redirect potential fluid leaks away from personnel. This preventive protective measure is built into the pipe guide structure, shielding workers from hazardous fluids before a failure occurs.
Solution Approach 2:
The shroud acts as an intermediary barrier between the expansion joint and personnel. It intercepts and contains leaking fluid, preventing direct exposure to workers while maintaining the alignment function.
3Stability of the object's composition
If additional pipe guides are positioned on either side of the expansion joint, then axial alignment is maintained, but device complexity increases
Solution Approach 1:
The patent merges multiple functions into a single component. The guide ring with integrated shroud replaces what would traditionally require separate alignment guides on both sides of the expansion joint, reducing the total number of components while maintaining alignment stability.
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 system maintains axial alignment without additional guides and protects against fluid leaks, ensuring safer and easier installation and operation by containing leaks within the pipe guide.
Implementation Method 1
The internal diameter of pipe guide shroud 22 and the outer diameter of second guide ring 20 are selected so that second guide ring 20 slides freely and securely within pipe guide sleeve 22
Data Source
AI summary
A pipe guide is described for providing axial alignment to two pipes connected by an expansion joint. The pipe guide comprises a pipe guide sleeve that covers the expansion joint and is connected at its first end to the first pipe. It also comprises a guide ring that is connected to the second pipe and slidably engages the interior of the pipe guide sleeve. In one embodiment, the pipe guide also comprises restraint rods to limit the axial extension and compression of the pipe guide.