Pneumatic multi-stage linkage cavitator adjustable structure

Abstract

The invention provides a pneumatic multi-stage linkage cavitator adjustable structure which comprises a navigation body, the front end of the navigation body is detachably connected with a fairing, a cavitator is installed in the fairing, the cavitator comprises a cavitator main body and a plurality of cavitator sheet bodies. The multiple cavitator sheet bodies are uniformly distributed around the axis of the cavitator main body, the cavitator sheet bodies are hinged to the outer edge of the cavitator main body, and all the cavitator sheet bodies rotate by a certain angle around the hinge points of the cavitator sheet bodies and the cavitator main body to form a complete disc with the cavitator main body; the cavitator main body is connected with the front end of the navigation body through a buffer device; and each cavitator sheet body is connected with the front end of the navigation body through a linkage telescopic structure. The cavitator main body and the cavitator sheet bodies can form small supercavitation bubbles and large supercavitation bubbles under the action of the linkage telescopic structures, and the requirement for the navigational speed change of a navigation body can be met.

Description

technical field [0001] The invention relates to the technical field of a cavitator used in a navigation body, in particular to a pneumatic multi-stage cavitator adjustable structure. Background technique [0002] With the continuous progress and development of underwater unmanned equipment, more and more countries have begun to pay attention to equipment such as air-launched underwater torpedoes, projectiles, or flying objects that can evade radar detection or have super-maneuverable launch. Play a key role in future wars. However, at present, this kind of air-launched high-speed cross-media movement device is facing some technical problems. First, the short-term overload problem caused by the impact of entering water, the huge impact acceleration will damage the internal instruments and external structures; and then how to maintain the super space of the vehicle. There is also the problem of how to avoid dangerous targets or effectively change the direction of navigation t...

AI Technical Summary

Problems solved by technology

When the vehicle is faced with a complex water environment and lack of follow-up power, the cavitation effect of the traditional cavitator is limited, and the cavitation effect will also be weakened during the gradual decay of the power of the vehicle

The size of the existing cavitator cannot be adjusted according to the speed of the vehicle. If the size of the cavitator is too small, the supercavitation generated by it is too small, and the structure of the vehicle cannot be completely wrapped by the supercavitation. The resistance will change from air resistance to water resistance, which greatly increases its resistance and further reduces its range

However, if the structure of the cavitator is too large, the resistance generated by it will also increase greatly.

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