WO1999052759A1

WO1999052759A1 - A seaplane modified from an airplane

Info

Publication number: WO1999052759A1
Application number: PCT/CN1999/000048
Authority: WO
Inventors: Qinghai Ren
Original assignee: Qinghai Ren
Priority date: 1998-04-08
Filing date: 1999-04-07
Publication date: 1999-10-21
Also published as: CN1231247A; AU3136199A; CN1075012C

Abstract

The invention relates to a seaplane which is modified from an airplane, characterized in that it comprises an airframe without a landing gear, a hull fixed thereunder, jet engines having adjustable downward inclinations and connected with both side of the head of the hull, gas-walls located on both lower side of the hull and connected with the wings via links, and ground effects wings fixed between the hull and the gas-walls. It can fly either in the ground effect region or above, either in floating state, in low altitude with high speed or over an air cushion. For avoiding sudden encounter with sea fog, stormy waves or sailing ships.

Description

TECHNICAL FIELD

The invention relates to a sea spacecraft modified by an aircraft.

Background technique

At present, high-speed ships that can fly at low altitudes on the sea include hydrofoil, hovercraft and powered hovercraft. Among them, the ground-effect wing sea low-altitude spacecraft is a special-powered air-cushioned ground-effect wing ship. At the same lift-drag ratio, the speed will be doubled or faster, and the speed can exceed 400 kilometers per hour. However, this type of spacecraft lacks high reserve and can only Flying above the ground effect height within ten meters, it will stall and crash when it crosses the ground effect height; it is also because it can only fly within a limited ground effect height area, and it cannot avoid the morning fog on the sea, ships and sudden Strong winds and waves. The authorization notice number is CN2258855Y, and the Chinese utility model patent named "Low-Altitude Airship" discloses a hull modified by removing a landing gear by a jet engine, and connected to the hull as the main body of the hull, that is, the front end below the hull head. A pontoon and a low-altitude spacecraft made of buoys connected to both sides of the bottom middle part of the hull through a support frame and buoys fixed to the side walls of the pontoon. It is the product of a combination of an aircraft and a ground-effect wing ship. Flying in the ground effect zone of 3 to 10 meters above the sea, it can also fly beyond the ground effect altitude. It overcomes the fundamental shortcomings of dynamic air cushion ground effect wing ships. It is a new type of low-altitude airship at sea, but its shortcomings are: it lacks cushion status. Altitude reserve in flight, that is, it is not possible to make cushioned helicopter flight under static or dynamic conditions, so it is also impossible to immediately avoid morning fog on the sea, ships and sudden strong winds and waves, which is not practical. This is because: It is based on the engine starting and reaching a certain speed, and then lifting the hull with the wings on both sides of the hull. At this time, the floating wing in the water can rise to the surface and generate a second lift in the air. With the lift received by the wing of the hull, the spacecraft is maintained at a certain height and slowly moves forward until high-speed flight. Therefore, it is not possible to perform cushioned helicopter flight, so it is not possible to avoid obstacles within the ground effect height in real time. To achieve practical purposes, and the carrying capacity, flight capacity and speed need to be further improved.

Invention Disclosure

The object of the present invention is to provide a floating, cushioning and high-speed low-altitude navigation flight in the ground effect area and beyond the ground effect height, with stronger flight capability, higher speed, simple production, and low cost. Spaceship at sea.

In order to achieve the above object, the present invention adopts the following design: An maritime spacecraft modified by an aircraft includes a fuselage including a fuselage, a steering tail, a horizontal tail, a wing and an engine, and It is characterized by: It consists of an aircraft body, steering fins and horizontal fins at the rear of the fuselage, jet engines located on both sides of the rear of the fuselage, and wings on both sides of the rear of the fuselage, fixed to the hull at the bottom of the fuselage, fixed to Jet engines with adjustable downtilt angles on both sides of the hull head, air walls located on both sides of the hull and connected to the lower wing surface of the wing through the connecting body, and ground effects fixed between the hull and the air walls on both sides of the hull Wing composition.

The invention can also be a double-body maritime spacecraft modified by two jets and sharing an air wall in the middle.

The invention can make cushion-like helicopter flight under static or dynamic conditions, and can flexibly avoid morning fog on the sea, ships and sudden strong winds and waves; and the speed is faster; especially when it is made into a catamaran, Passenger and cargo volume can be greatly increased. Tests prove that the present invention achieves the intended design purpose.

Brief description of the drawings

The invention is further described below with reference to the drawings.

Figure 1 is a front view of a monolithic maritime spacecraft modified with a jet.

Figure 2 is a top view of a monolithic maritime spacecraft modified by a jet.

Figure 3 is a left side view of a monolithic maritime spacecraft modified with a jet.

Figure 4 is a front view of a catamaran maritime spacecraft modified with two jets.

Figure 5 is a top view of a catamaran maritime spacecraft modified with two jets.

Figure 6 is a left side view of a catamaran maritime spacecraft modified with two jets.

Fig. 7 is a schematic diagram of a rotation mechanism of a jet engine with adjustable downtilt angle.

The best way to implement the invention

As shown in FIGS. 1 to 6, the present invention includes an aircraft body 1, steering fins 2 located on both sides of the fuselage 1, horizontal fins 3 mounted on the steering fins 2, jet engines 4 located on both sides of the rear portion of the fuselage 1, and the fuselage 1 The wing 5 on the two sides of the middle and rear, the above-mentioned components together constitute a complete aircraft fuselage, as long as the landing gear of the aircraft is removed, a complete fuselage can be obtained. It can be converted from various retired and intact aircraft, and its safety factor is sufficient to make the fuselage of a maritime spacecraft. The invention also includes a hull 6 fixed to the bottom of the hull 1, a jet engine 7 with an adjustable downtilt fixed to both sides of the head of the hull 6, and located on both sides of the hull 6 and connected to the underside of the wing 5 through the connecting body 8 and the wing 5. Air walls 9 fixed on the airfoil are ground effect wings 10 and passenger cabins 16 fixed between the hull 6 and the air walls 9 on both sides. These parts are made of aluminum alloy and are riveted to each other. As shown in Figures 4-6, the present invention can also be modified with two aircrafts and shared between them A double-body maritime spaceship with an air wall 9.

As shown in FIG. 7, the rotation mechanism of the jet engine 7 with adjustable downtilt of the present invention includes: a connecting rod 11, a hydraulic cylinder 12, a piston push rod 13, a connection point 14, a pivot point 15, and a hydraulic cylinder 12 through the piston push rod 13 That is, the jet engine 7 can be tilted down by an angle.

This kind of maritime spacecraft can not only perform low-altitude flight in the ground effect zone but also beyond the height of the ground effect; it can not only be used for floating drainage and low-altitude high-speed navigation, but also can be used for static or dynamic padding and non-stop flying. It does not need a certain speed to take off. As long as the air is compressed by an engine with adjustable downtilt and blown into the ground effect wing 10 to form a power increase, you can use the two sides of the ground effect wing 10 to increase power. The air chamber formed by the air wall 9 and the flaps of the wing 5 allows air to flow through the wing 5 to cause negative pressure lift, so that the spacecraft can be statically or dynamically lifted to avoid obstacles encountered when sailing at high speed on the sea surface. Thing. Secondly, when flying beyond the ground effect altitude, the ground effect power load is reduced due to the lift generated by the wing 5. At this time, if the jet engine 7 with adjustable downtilt jet angle is turned to a horizontal position, it is straightened. Rear jets can increase the power of the spacecraft and increase its speed. According to the test results, this maritime spacecraft has similar dimensionless transport efficiency KN to other high-speed vessels, but its speed can be 2 to 3 times higher, reaching 200 to 300 km / h, and its carrying capacity (person km / h) ) Can also be increased by 2-3 times. Third, this spacecraft adopts the overall aircraft transformation plan. As long as the performance is intact, even retired jets can be used, so the manufacturing is simple and the cost is low.

Take the monohull as an example: The main engine: The jet engine 4 is a HK-8 type, and the jet engine with adjustable downtilt angle 7 is a HK-12 type. At this time, the total power is 104KN χ 2 and 11750KW χ 2, of which Κ is dimensionless transport efficiency, the average speed is 300-350km / h, the range is 170km, the take-off weight is 200 tons, and the passenger capacity is 360 people. With a total length of 50m and a total width of 37m, it can sail normally under 2.5m waves and 5-7 winds.

Industrial applications

The invention is modified by an aircraft, which can perform cushioned helicopter flight under static or dynamic conditions, and can flexibly avoid morning fog on the sea, ships and sudden strong winds; moreover, the speed is faster; especially when made When the spacecraft is built, the passenger and cargo volume can be greatly increased. The invention can be widely used in various sea passenger and freight transportation.

Claims

Right claim

1. A maritime spacecraft modified by an aircraft, comprising a fuselage including a fuselage, a steering tail, a horizontal tail, a wing and an engine, characterized in that it is composed of an aircraft body (1) located at the tail of the body (1) Steering wing (2) and horizontal wing (3), jet engines (4) located on both sides of the tail of the fuselage (1), and wings (5) located on both sides of the rear of the fuselage (1), fixed to the fuselage (1) The hull (6) at the bottom, fixed to the sides of the hull (6), jet engines (7) with adjustable dip angles on the sides of the hull, located on both sides of the hull (6) and connected to the wing (8) and the wings (5) an air wall (9) fixed to the lower wing surface, and a ground effect wing (10) fixed between the hull (6) and the air walls (9) on both sides thereof.

2. An airship modified by an aircraft according to claim 1, characterized in that: it comprises a catamaran seaship transformed by two airplanes, wherein an air wall is shared between them

( 9 ) .