Profile Clamp Spring Retention for Stable Pipe-End Positioning
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Solution Overview
Problem
Profile clamps for connecting pipe ends often lack defined positioning on flanges, leading to potential rotation and complex assembly, especially in inaccessible areas, due to the lack of a mechanism for secure pre-fixing before tensioning.
Innovation Solution
The profile clamp incorporates a spring element with contact regions that press against the pipe ends in a friction-locking manner during connection, providing a defined pre-positioning and retention without requiring additional devices, allowing for easier assembly and preventing rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the profile clamp uses a simple tensioning device with two half shells, then the assembly process is simplified and easier to install, but the clamp lacks defined positioning on the flange and can rotate freely
Solution Approach 1:
A spring element is introduced as an intermediary component between the half shells and the flange. This spring element features contact regions that engage with the flange surface, providing a mediating mechanism that enables both easy assembly (by maintaining half shells in opened position) and defined positioning (through friction-locking contact with the flange)
Solution Approach 2:
The spring element is designed to automatically perform dual functions: it maintains the half shells in an opened position for easy assembly, and simultaneously provides friction-locking retention against the flange to prevent rotation. The system serves itself by integrating positioning functionality into the existing spring mechanism without requiring additional anti-twist devices
2Stability of the object's composition
If additional anti-twist devices are added to prevent rotation, then positioning stability is improved, but device complexity increases
Solution Approach 1:
The spring element is designed to perform multiple functions simultaneously: it maintains the half shells in an opened position, provides friction-locking retention against the flange to prevent rotation, and requires no additional anti-twist devices. This multi-functionality reduces overall device complexity while achieving positioning stability
3Reliability
If the spring element presses the half shells apart with high force, then retention is improved, but the force required for tensioning increases
Solution Approach 1:
The spring element is designed with specific local properties: contact regions with increased surface area and optimized material characteristics that enhance friction-locking retention against the flange. This localized quality improvement allows reliable retention with lower overall spring force, reducing the tensioning force required
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
This solution enables reliable pre-positioning and secure retention of the profile clamp on pipe ends with minimal force, simplifying assembly and reducing complexity, while eliminating the need for additional anti-twist devices, thus facilitating easier installation, especially in hard-to-reach areas.
Implementation Method 1
a spring element is arranged in the region of the tensioning heads, which spring element presses the second ends of the half shells apart under pretension
Implementation Method 2
contact regions of the spring element can come to bear against the pipe ends in a force-locking manner
Data Source
AI summary
A profiled clamp for assembling on pipe ends, having a first half-shell and a second half-shell, each of which has a clamping head at a first end and a connection geometry at a second end for releasably connecting the second end. The clamping heads are connected to a clamping element, and at least one of the two half-shells can be tilted relative to the clamping element. A spring element is arranged in the region of the clamping heads, said spring element pushing the second ends of the half-shells apart under pretension. Contact regions of the spring element can be positioned on the pipe ends in a frictionally locking manner when connecting the two ends.