Low-water-resistance ship allowing sealing body of speed-increasing cabin water inlet to lift along with waterline

Abstract

The invention discloses a low-water-resistance ship allowing a sealing body of a speed-increasing cabin water inlet to lift along with a waterline. The low-water-resistance ship comprises a ship body and a speed-increasing cabin located below the ship bottom. A horizontal air blocking section, a contraction section, a water inlet section, an arching section and a water outlet section are arranged at the ship bottom sequentially from front to back and are connected one by one in an end-to-end mode. An opening in the rear end of the speed-increasing cabin is a water outlet, and the water outlet is located in the tail of the ship body. An opening in the front end of the speed-increasing cabin is the water inlet. The upper end of the water inlet of the wall of the speed-increasing cabin is located in the middle of the horizontal air blocking section. The ship bottom faces at the horizontal air blocking section, the water inlet section and the water outlet section are parallel. The arching section arches upwards and is internally provided with two impellers which are located at the same horizontal position and are arranged side by side. The two impellers are respectively in transmission connection with a motor. The width of the speed-increasing cabin decreases sequentially from front to back, water is supplied to the impellers more fully, the water flow speed is higher, and the front absorbing and back pushing effects are more obvious. As the arching section provided with the impellers is arranged, the working areas of the impellers are much larger than the area of the section of a lower cavity of the water outlet section, and the low-water-resistance ship has a higher running speed.

Description

[0001] [0002] This application is a divisional application. The original patent number is: 201110118724.2, the application date: April 29, 2011, and the invention name is: a boat with low water resistance. technical field [0003] The invention relates to a ship with low water resistance, and the ship includes large, medium and small ships, submarines, ships and aircraft carriers. Background technique [0004] The current boats are very slow, and the concept of high horsepower and low speed has been adopted. The ensuing problem is that the speed of the ship cannot be increased simply by increasing the propeller speed. There are two reasons for this phenomenon. One is that the resistance of water is greater, and the deeper the draft, the greater the resistance; the other is air intake, because the ship is driving between water and air, and the natural flow rate of water is at a certain depth. There is a certain limit. When the speed of the propeller exceeds a certain l...

AI Technical Summary

Problems solved by technology

In order to reduce the contact area and resistance between the ship and the water, the shape of the bottom of the ship is warped forward based on the horizontal plane. When the ship is running, the bottom surface of the front end of the ship is away from the water surface. If it is pumped into the speed-increasing tube, it is easy to have the above-mentioned air intake problem, which will affect the further improvement of the ship's speed

On the other hand, the water inlet diameter at the front end of the speed-increasing pipe is similar to the water outlet diameter at the rear end. When the impeller drains water at high speed, the water supply is limited, which ultimately affects the drainage speed, and the speed-up effect is not ideal.

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