Securing device
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Solution Overview
Problem
Existing securing devices for aircraft pipes struggle to maintain the pipe in a fixed position relative to the aircraft structure while ensuring a firm contact between the securing system and the structure, due to compliance in the connection between the collar and base.
Innovation Solution
A securing device comprising a distinct and rigid ring that encircles the pipe and a securing system with a groove, allowing the securing system to slide along the ring, while maintaining immobility in a plane perpendicular to the sliding direction, and utilizing a bonded connection for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the collar and mounting plate form a single integrated component, then the structure is simpler, but it becomes difficult to firmly press the contact surface flat against the structure surface
Solution Approach 1:
The securing device is divided into two separate components: a collar that encircles the pipe and a mounting plate that contacts the structure. This segmentation allows each component to be optimized independently - the collar can be flexible to accommodate pipe positioning while the mounting plate can be rigid to ensure firm, flat contact with the structure surface.
2Manufacturing precision
If the connection between the collar and base allows flexibility for movement, then the contact surface can be firmly pressed flat against the structure, but the pipe cannot be held in a given position relative to the structure
Solution Approach 1:
The connection between the collar and mounting plate incorporates dynamic characteristics with controlled compliance. The collar is designed to be flexible in certain directions to allow the mounting plate to achieve flat contact with the structure, while maintaining rigidity in other directions to prevent excessive movement and hold the pipe in a stable position relative to the structure.
3Ease of operation
If the collar is made flexible to accommodate positioning, then the mounting plate can contact the structure firmly, but the connection compliance prevents precise pipe positioning
Solution Approach 1:
Different parts of the collar have different mechanical properties - the collar is designed with localized flexibility in specific regions to allow mounting plate adjustment and firm contact with the structure, while maintaining rigidity in other regions to preserve precise pipe positioning relative to the structure.
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 device effectively holds the pipe in a given position and allows for proper flat contact between the securing system and the aircraft structure, enhancing the stability and reliability of the pipe's attachment.
Implementation Method 1
the securing device comprises a bonded connection which connects the securing system and the ring
Data Source
AI summary
A securing device includes at least one rigid ring configured to encircle the pipe, and at least one securing system, rigid and distinct from the ring, including a body which has a first contact face configured to be pressed firmly against and secured to a surface of a structure, and at least one groove in which the ring is housed, the groove being configured to allow the securing system to slide with respect to the ring in a direction of sliding along the ring, while being immobile or near-immobile relative to the ring in a plane perpendicular to the direction of sliding.