A low-cost and simple anchor hook launch device design scheme has been proposed.This scheme adopts a new firing method,which uses high-pressure gas as the energy source and causes the piston rod to recoil through the pressure difference between the large and small gas chambers,completing the firing.The relationship between the length of the barrel,the volume of the air chamber,and the initial velocity was numerically calculated,and static simulation analysis was conducted on the barrel and the air chamber.The results show that there is a positive correlation between the length of the barrel,the volume of the air chamber,and the initial velocity.The maximum deformation and minimum safety factor of the barrel and air chamber meet the requirements.The initial velocity of the muzzle can reach 43.4 m/s,which can meet the functions of maritime rescue and cable climbing under extreme conditions.Moreover,it greatly reduces the weight of the anchor hook launch device and facilitates individual combat.
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