A compound-driven secondary projectile acceleration device and experimental platform

Abstract

The invention provides a compound-driven two-stage projectile accelerating device and an experimental platform. The accelerating device includes a primary accelerator and a secondary accelerator. The primary accelerator includes a solenoid valve connected to a high-pressure gas source, and the head end of the solenoid valve and the shell Connection, a piston is built in the casing, and a manual valve is connected to the casing, and the piston is reset by opening the lower manual valve and the upper manual valve; the secondary accelerator includes a secondary accelerator frame, an acceleration pipeline, and at least one The slide rail and at least one set of electric motors, the solenoid valve controls the release of high-pressure gas, and pushes the piston to accelerate. The piston pushes the projectile for a primary acceleration and enters the acceleration pipeline of the secondary accelerator. The motor drives the flywheel to rotate through friction to form a secondary accelerate. The invention uses high-pressure gas and electric motor as the source power, accelerates the elastic body through a two-stage acceleration mechanism, injects it into the water tank at high speed from the acceleration pipeline, and sets a high-speed camera outside the water tank to record the test process.

Description

technical field [0001] The invention belongs to the field of projectile acceleration and explosion fragment acceleration tests, and in particular relates to a compound-driven secondary projectile acceleration device and an experiment platform. Background technique [0002] With the continuous development of underwater combat weapons, the research on underwater projectile navigation, projectile entry into water and high-speed fragments produced by underwater explosion has received great attention in related fields in various countries and has achieved considerable research. results. In experiments related to projectile entry into water and explosion fragments, light gas guns are usually used to provide initial kinetic energy for projectiles and fragments. The working principle is to use non-reactive light gas (such as compressed hydrogen or helium) as the working gas. Restricted movement, when the air pressure of the high-pressure gas storage chamber is increased to the pred...

AI Technical Summary

Problems solved by technology

However, when the projectile and fragments fly out of the muzzle, the high-pressure gas will be sprayed with it, which will affect the cavitation caused by the high-speed entry of the projectile into the water.

In addition, the barrel of the light gas gun is long and bulky, and it is difficult to move once it is installed

It is even more difficult to change the projectile body, fragment entry angle and projectile diameter required in the experiment.

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