Pipe Clamp Projections for Vibration-Resistant Grip Stability
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Solution Overview
Problem
Existing pipe clamps in piping systems, such as those used in fire sprinkler and HVAC systems, face issues with loosening due to dynamic loads and vibrations, leading to a loss of grip between the pipe and the clamp, especially during seismic events or structural movements.
Innovation Solution
A pipe clamp design featuring a pair of semi-cylindrical clamp segments with monolithically formed projections and a fastener assembly that securely engages the pipe, providing a cylindrical void for the pipe to pass through and enhancing grip through circumferentially arranged projections, which are integrally formed with the clamp segments to prevent loosening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional pipe clamps are used without projections, then the clamp structure is simple, but the grip between the clamp and pipe loosens due to dynamic loads and vibrations
Solution Approach 1:
The projections are pre-formed as integral parts of the clamp segments, positioned to engage with the pipe surface before dynamic loads occur. This preliminary engagement creates initial mechanical interlocking that prevents loosening during subsequent vibration and seismic events.
Solution Approach 2:
The clamp segments are designed with semi-cylindrical shapes that conform to the cylindrical geometry of pipes. The curved surfaces and cylindrical void allow the clamp to evenly distribute contact pressure around the pipe, enhancing grip stability under dynamic conditions.
2Reliability
If monolithically formed projections are added to clamp segments, then the grip between clamp and pipe is enhanced, but the manufacturing complexity increases
Solution Approach 1:
The projection features are merged with the clamp segment bodies, forming integral monolithic structures. This integration eliminates separate fastening methods for the projections and ensures they move as a unified piece with the clamp segments during installation and service.
Solution Approach 2:
The clamp is divided into two separate clamp segments, each with its own projections, that can be independently manufactured and then assembled around the pipe. This segmentation allows for simpler individual component fabrication while achieving the overall grip enhancement through the paired segment design.
3Reliability
If clamp segments are designed with semi-cylindrical walls defining a cylindrical void, then the pipe engagement is improved, but the material usage and weight increase
Solution Approach 1:
The semi-cylindrical clamp segments with cylindrical void create a form-fitting engagement with the pipe. The curved geometry maximizes contact surface area between the clamp and pipe while using minimal material, as the cylindrical shape naturally conforms to the pipe's outer surface.
Solution Approach 2:
The thin-walled semi-cylindrical clamp segments act as flexible shells that can deform slightly to conform to the pipe surface, maintaining secure engagement without requiring thick, heavy construction. The shell structure provides sufficient strength while minimizing material usage.
Data Source
AI summary
Example aspects of a pipe clamp and a method for attaching a pipe clamp to a pipe are disclosed. The pipe clamp can comprise a first clamp segment defining an inner surface, an outer surface, a first side, and a second side, the inner surface defining a first semi-cylindrical wall; a second clamp segment defining an inner surface, an outer surface, a first side, and a second side, the inner surface defining a second semi-cylindrical wall, the first semi-cylindrical wall and second semi-cylindrical wall defining a cylindrical void wall, the cylindrical void wall defining a void, the void configured to receive a pipe extending therethrough; and a plurality of projections monolithically formed with and extending from the cylindrical void wall, wherein the plurality of projections are spaced apart in a circumferential row around the cylindrical void wall.