High-flowing-speed air valve used for air cannon launching device

Abstract

Provided is a high-flowing-speed air valve used for an air cannon launching device. An air inlet switch of an external high-pressure air source is opened, so that compressed air enters a cavity between a tail cover and a valve core through an air inlet channel, then the compressed air enters a cavity A, finally the compressed air in the cavity A enters an air storage cylinder through an inflationhole for storage, and when the air storage cylinder is full of the compressed air, the air inlet switch of the external high-pressure air source is closed; when air discharge is needed, a air discharge switch of the external high-pressure air source is opened, the compressed air is discharged from a valve body along the air inlet channel, the valve core moves towards the tail cover direction in the process of discharging the compressed air until a air discharge hole correspondingly communicates with an air discharge channel, and finally the compressed air in the air storage cylinder is outputfrom the air discharge channel at a high speed to provide kinetic energy for a cannonball of an air cannon; and the impact force exerted by the compressed air on the cannonball can be calculated by calculating the flow velocity of the compressed gas, so that the damage bearing capacity of an armor shell can be easily calculated, and the error of the damage bearing capacity is small.

Description

technical field [0001] The invention relates to the technical field of air flow valves, in particular to a high flow rate air valve used in an air cannon launching device. Background technique [0002] It is well known that the shell armor of tanks, the deck armor of aircraft carriers and the shells of missiles need to pass through a series of tests before use. When testing the hardness of these armor shells, the traditional method is to use explosives to explode or launch shells through light gas cannons. In the measurement, when using the explosion of explosives to cause damage to the armor shell, although the explosion equivalent can be used as the maximum damage data that the armor shell can withstand, the impact force generated after the explosion of the explosive is relatively scattered, so the damage capacity of the armor shell will be less than that of the armor shell. The explosive equivalent of the explosive makes the error of the detected damage of the armor shell...

AI Technical Summary

Problems solved by technology

[0002] It is well known that the shell armor of tanks, the deck armor of aircraft carriers and the shells of missiles need to pass through a series of tests before use. When testing the hardness of these armor shells, the traditional method is to use explosives to explode or launch shells through light gas cannons. In the measurement, when using the explosion of explosives to cause damage to the armor shell, although the explosion equivalent can be used as the maximum damage data that the armor shell can withstand, the impact force generated after the explosion of the explosive is relatively scattered, so the damage capacity of the armor shell will be less than that of the armor shell. The explosive equivalent of the explosive makes the error of the detected damage of the armor shell larger;

[0003] And when the shell fired by the light gas gun shoots the armored shell, although the impact force of the shell on the armored shell is relatively concentrated, because the launching device of the light gas gun generally adopts compressed air as the power source, and the generation of compressed air is limited. There are two ways, one way is to generate compressed air through the combustion of gunpowder, so as to promote the launch of the shell. Since the gunpowder needs to be refilled every time the shell is fired, the operation is more cumbersome when using this method, and the thrust is generated by this method. Unstable, so that it is impossible to judge the force of the compressed air on the projectile; another way is to release the compressed air from the gas cylinder, although this method can calculate the force of the compressed air on the projectile, but because the gas cylinder The pressure in the tank is relatively high, so the compressed air needs to be decompressed by the pressure reducing valve before being output. In this way, the output compressed air pressure is relatively small, thereby limiting the power of the shells. To sum up, there is currently a need for a It is a device that not only makes the operation of the light gas cannon easy, but also can control the force that pushes the shell to launch, so as to accurately obtain the damage of the armor shell

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