To decrease the distortion of elasticity tripod mount and improve the fire accuracy of machine gun

the design idea on gun mount with buffer spade was put forward by analyzing spade structural characteristic of machine gun.The gun mount with buffer spade was applied in a type of machine gun

and corresponding simulations were made.The structural parameters of the gun mount were optimized by genetic algorithm.The simulation results of gunpoint dynamic response show that

after installed with the gun mount with proposed buffer spade

the amplitude of gunpoint is reduced obviously

during continual firing the displacement on the bullets being expelled from the gunpoint are more close to equilibrium position.These mean that the elasticity distortion of the gun mount become smaller

the dynamic stability of machine gun become better

and the abilities on machine gun adapting to soil is improved.The design can improve the fire accuracy of machine gun.