Cabin Separating Element Push Rod Mechanism for Cylindrical Fuselage
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Solution Overview
Problem
Existing cabin separating elements for aircraft and boats with cylindrical fuselages face limitations in leaf travel due to the cylindrical configuration, restricting passage width in narrow fuselages and requiring complex mechanisms for movement and maintenance.
Innovation Solution
A separating element with a mechanism comprising articulated push rods, relative guiding and shimming means, and locking systems that allow maximum leaf travel, improved rigidity, and simplified manufacturing and maintenance, including a system for adjusting leaf position and locking in open and closed positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If slide means are used to move leaves between open and closed positions in a cylindrical fuselage, then the separating element can be installed in narrow fuselages, but the leaf travel is limited by the fuselage configuration, restricting passage width
Solution Approach 1:
The leaf is divided into multiple segments that can move independently relative to each other. This segmentation allows the leaf to achieve greater overall travel distance by accumulating movement across multiple segments, overcoming the limitation of the cylindrical fuselage configuration while maintaining passage width.
Solution Approach 2:
The invention introduces a new dimension of movement by allowing the leaf to move not only radially but also axially along the fuselage. This multi-dimensional movement enables the leaf to clear the fuselage curvature constraints while achieving the required passage width when in the open position.
2Ease of operation
If complex mechanisms are used to maximize leaf travel in cylindrical fuselages, then passage width can be improved, but device complexity and maintenance requirements increase
Solution Approach 1:
The invention merges the movement functions of multiple components into a single integrated mechanism. The push rod simultaneously controls the radial and axial movement of the leaf segments, eliminating the need for separate mechanisms for each movement dimension and thereby reducing overall device complexity.
Solution Approach 2:
The mechanism is designed to automatically maintain proper leaf positioning and alignment through self-adjusting features. The push rod mechanism inherently compensates for manufacturing tolerances and wear, reducing the frequency and complexity of maintenance interventions required.
3Device complexity
If traditional slide means are used for leaf movement, then the structure is simple, but friction and maintenance needs increase
Solution Approach 1:
The invention replaces traditional slide means with a push rod mechanism that uses articulated connections instead of sliding surfaces. This substitution eliminates the high-friction sliding contact, significantly reducing wear and maintenance requirements while maintaining mechanical simplicity.
Solution Approach 2:
The invention changes the fundamental movement parameter from sliding friction to articulated rotation. By transforming the movement mechanism from linear sliding to rotational articulation, the friction coefficient is dramatically reduced, extending maintenance intervals and improving reliability.
Data Source
AI summary
A separating element for a platform cabin is provided. The separating element comprises: at least one stationary partition, delimiting a passage defining a circulation axis inside the cabin; at least one leaf, mounted transversely movable relative to the circulation axis between a closed position, in which it extends through the passage, and an open position, in which it is positioned at least partially spaced away from the passage; and means for moving the or each leaf between the closed position and the open position thereof, the or each leaf being adapted to move along the plane transverse to the circulation axis.