Study of Unfolding Technology of Duck Rudder of Foldable Small Caliber Smart Ammunition

LIU Wei; TAN Zuohong; XU Gang; LIAO Changqing

doi:10.15892/j.cnki.djzdxb.2023.02.009

Journal of Projectiles, Rockets, Missiles and Guidance >

2023 , Vol. 43 >Issue 2: 49 - 52

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.02.009

Study of Unfolding Technology of Duck Rudder of Foldable Small Caliber Smart Ammunition

LIU Wei ,
TAN Zuohong ,
XU Gang ,
LIAO Changqing

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Chongqing Aerospace Electromechanical Design Institute,Chongqing 400039,China

Received date: 2022-07-01

Online published: 2025-02-24

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Abstract

In view of the disadvantages of the folding rudder based on the torsion spring as the actuator, such as large space occupation, time-consuming and laborious operation, which is not conducive to the assembly of small caliber intelligent ammunition, a new design scheme of the folding rudder mechanism is proposed. The folding rudder mechanism is composed of a rudder, a rudder blade, a pusher assembly, a folding mechanism, etc. the folding mechanism forms the rotating shaft of the rudder by being coaxial with the output shaft of the rudder, so as to realize its integration with the rudder. The simulation and test results show that the rudder blade expands rapidly under the action of external force, and there is no obvious rebound phenomenon after expanding and locking. It shows that the design of the folding rudder mechanism is reasonable, which can provide a reference for the engineering application of the folding rudder.

Key words： intelligent ammunition; small caliber; folding mechanism; rudder

Cite this article

LIU Wei , TAN Zuohong , XU Gang , LIAO Changqing . Study of Unfolding Technology of Duck Rudder of Foldable Small Caliber Smart Ammunition[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2023 , 43(2) : 49 -52 . DOI: 10.15892/j.cnki.djzdxb.2023.02.009

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