Projectile Common Latch for Simultaneous Fin Deployment
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Solution Overview
Problem
Existing projectile locking devices for canard wings are structurally complex and prone to unintentional release due to damaged straps or improper handling, often requiring separate locking mechanisms for each wing.
Innovation Solution
A simplified locking device featuring a common locking component that rotates about the projectile's longitudinal axis, with multiple locking sections interacting with corresponding grooves, coupled to a linear piston for easy actuation, allowing all wings to be locked and released simultaneously.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a common locking component is used to lock all wings, then device complexity is reduced, but reliability may worsen due to potential unintentional release
Solution Approach 1:
Multiple separate locking mechanisms for individual wings are merged into a single common locking component that can lock all wings simultaneously. The locking component features multiple locking sections that interact with corresponding sections on each wing, allowing one actuation to secure all wings in place.
Solution Approach 2:
The common locking component is segmented into multiple independent locking sections, each responsible for engaging with a specific wing. This segmentation allows the locking function to be distributed across multiple interaction points while maintaining a single actuation mechanism, reducing overall complexity while preserving reliability through redundant engagement points.
2Reliability
If separate locking mechanisms are used for each wing, then reliability is improved, but device complexity increases
Solution Approach 1:
Multiple separate locking mechanisms for individual wings are merged into a single common locking component that can lock all wings simultaneously. The locking component features multiple locking sections that interact with corresponding sections on each wing, allowing one actuation to secure all wings in place.
3Ease of operation
If straps are used for locking, then ease of operation is improved, but reliability worsens due to unintentional release from damage or improper handling
Solution Approach 1:
The fragile strap-based mechanical locking system is replaced with a more robust locking component that uses interlocking sections and geometric constraints. The new system replaces soft, easily damaged straps with a structured mechanism featuring engagement projections and grooves that are resistant to accidental activation from handling or damage.
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 provides a more straightforward and reliable locking mechanism that securely fixes all wings in the swung-in position while allowing easy release, enhancing stability and reducing the risk of unintentional unlocking.
Implementation Method 1
the locking component is coupled to an actuating means which effects its rotation, wherein the actuating means comprises a piston which can be moved linearly via an actuating element and to which the locking component is coupled connecting means which converts the linear movement of the piston into a rotational movement of the locking component
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
Projectile, with a housing (2) and several wings (3) which can be pivoted out laterally from it and which are fixed in the pivoted position by means of a releasable locking device (4), wherein the locking device (4) has a locking component (5) which can be rotated about the longitudinal axis of the housing (2) between a locking position and a release position and which has first locking sections (10) provided thereon, wherein the first locking sections (10) in the locking position form a locking connection with the second locking sections (12) associated with the wings (3) which can be released by rotating them into the release position.