WO2018032866A1

WO2018032866A1 - Twin-engine twin-propeller airboat

Info

Publication number: WO2018032866A1
Application number: PCT/CN2017/088058
Authority: WO
Inventors: 陈大力; 王丹丹; 张忠阳; 李钢; 郭晴阳; 王民; 郭晓娜; 郑帅
Original assignee: 抚顺抚运安仪救生装备有限公司
Priority date: 2016-08-19
Filing date: 2017-06-13
Publication date: 2018-02-22
Also published as: CN106081038A

Abstract

A twin-engine twin-propeller airboat, comprising a boat body (1), an engine system (2), a speed reducer set, a propeller system (3), a steering system (4), and a control system. An upper deck of the boat body (1) tilts forward, with a lower front end and a higher rear end. The engine system (2) is located at the 1/3 position at the rear of the boat body (1) and comprises two engines (21). The engine system (2) is connected to the propeller system (3) by means of the speed reducer set, so that the engine system drives the propeller system (3). The steering system (4) is a rudder (14) vertically disposed at the stern. The rudder (14) is connected to a handle or a steering wheel in the control system by means of a handle control and assisting device. After the boat body (1) is launched, the deck is naturally in a horizontal state, and the axis of a driving shaft (10) of the propeller system (3) is parallel to the horizontal plane. The airboat is widely applicable, and has a traveling capability that common watercrafts lack, in addition to all the functions and capabilities of ordinary assault boats and small yachts.

Description

Double-shot scull air boat

Technical field

The invention relates to a twin-engine scull airboat.

Background technique

At present, double-engined scull airships have been widely used abroad as vehicles for transportation in special waters. Due to technical limitations in China, twin-engine sculls are still in the development stage.

In China, in the face of complex snow and ice waters, mud beach coatings, swamp wetlands with vegetation, shallow waters less than half a meter, and especially complex waters in flood-hit areas, the assault boat or rubber boat cannot enter smoothly. The existing rescue equipment cannot meet the purpose of use due to technical restrictions. Therefore, in the face of complex floods, the rescue forces cannot be fully utilized, delaying the warplanes, and even endangering the lives of rescuers and victims.

In the Chinese invention patent "Power Sail Rescue Boat" (Patent No.: 200920279384.X), a double-engined scull airboat is disclosed, including a hull. An engine bracket is arranged in the cabin of the hull, and the engine and the propeller are mounted on the engine bracket. on. There are no parts below the hull waterline, you can sail in the area where the water is full of debris, or you can drive in shallow water, ice, snow, swamp and shoal.

The applicant applied for a patent with the application number of 201610054411.8 on January 27, 2016. The patent is a single-single-propeller structure, which is light in weight, powerful, stable and flexible, but has a small hull load as a device. The low-capacity, core components are completely dependent on imports and the supply is unstable, and the design is simple and easy to be copied.

Due to the special nature of complex water rescue, the current airboat still has the following defects in practical rescue: 1. The load and power are contradictory; 2. The hull is deep in water and the resistance is high before pushing the water; 3. The top structure frame Complex and high quality; 4, engine use and maintenance inconvenience; 5, the steering is not flexible; 6, the hull is in contact with the sediment surface, the wear is serious, the friction resistance is large; in the face of the difficult problem of complex water rescue, there is an urgent need for a new air boat Meet the needs of society.

Summary of the invention

In view of the problems existing in the prior art, an object of the present invention is to provide a dual-engine scull airship. The airboat has a wide applicability, in addition to the full function and performance of a general assault boat and a small yacht, it also has the capacity that ordinary ships do not have.

In order to achieve the above object, the present invention adopts the following technical solutions:

A dual-engine scull airship comprising a hull, an engine system, a reducer group, a propeller system, a steering system and a control system; wherein the upper deck of the hull is forwardly inclined, front low and high The engine system is located at a rear 1/3 position of the hull, and includes two engines; the engine system is coupled to the propeller system through the reducer group, and the propeller system is driven by the engine system; Vertically disposed at the rudder of the bow, the rudder is connected to the handle or the steering wheel in the control system by the handle control boosting device, the hull entering the water rear deck is naturally horizontal, and the drive shaft axis of the propeller system is parallel to the horizontal plane .

Further, the hull is divided into upper and lower parts, the bottom of the ship is welded with 5083 alloy aluminum, and the bottom of the bottom of the ship is inverted "concave"; the bow and the bottom of the ship are tangentially curved upward; the freeboard on both sides of the hull has a camber angle Several T-shaped aluminum ribs are welded on the inside side of the side.

Further, the engine system is disposed in a canopy made of metal, and the two engines are longitudinally symmetrically disposed on both sides of the central axis of the hull; the two engines are mounted on a set of brackets, and the bracket is connected with the bottom bolt; the two engines Sharing one accelerator pedal and synchronizing the speed, the two engines each have an independent starting power supply system, fuel supply system, cooling system and monitoring system, sharing a group of fuel tanks.

Further, the reducer group includes two sets of reducers, and the reducer adopts a split structure, and each set of reducers corresponds to one engine, and the input synchronous gear of the reducer is directly connected with the output shaft of the engine, and the output of the reducer is synchronized. A gear is coupled to the propeller input shaft on the propeller system, and two synchronizing gears transmit power through a synchronizing toothed belt connection, the outer side of the retarder being provided with a retarder cover.

Further, the engine is connected to the bottom of the hull through an engine bracket, and a joint of the two is provided with a damper foot; the fuel tank of the engine is disposed on an engine bracket below the engine.

Further, the propeller system includes two sets of propellers, the propeller consisting of a support frame, a drive shaft, a propeller, and a shroud; the angle of the propeller blades is adjustable by changing the inclination of the propeller blades, and further Change the direction and size of the thrust.

Further, the inclination angle of the blade is adjusted between -5° and +15°; the middle position, that is, 0° is an idle speed; the forward inclination is positioned to 10° and 15°, and 10° is a normal forward speed. , 15° is the high speed gear; the reverse tilt angle is positioned at -5°, and the thrust direction is changed without changing the direction of rotation of the propeller. The airboat is slowing down and reversing the maneuver.

Further, the steering system is vertically disposed on the rudder of the bow for the cable control; the rudder has a total of three rudder plates, the left and right rudder plates are disposed at the longitudinal axis of the propeller, and the middle portion is at the central axis of the hull Through the synchronous rotation of the two sets of pull wires and the tie rods between the rudder plates, the maximum swing angles of the left and right sides are each 50°.

Further, the control system includes a plurality of control buttons disposed on the bridge, an electronic accelerator pedal that controls the two engines, and a steering wheel.

Further, the hull is provided with two inflatable airbags in the bow and the bow; the hull is divided into a front storage compartment, a middle passenger compartment and a rear engine compartment, and the middle passenger compartment is divided into a hard top type, Soft top and open.

The twin-engine scull airboat with the above structure has the following advantages:

The invention has wide applicability, and has the functions and performances of a general assault boat and a small yacht, and also has the capacity that ordinary ships do not have.

DRAWINGS

Figure 1 is a perspective view of a hard-top double-engined scull airboat of the present invention;

2 is a top plan view of a hard top double-engined twin-blade airboat of the present invention;

Figure 3 is a perspective view of the soft top double-engined scull air boat of the present invention;

Figure 4 is a top plan view of the soft top double-engined scull airboat of the present invention;

Figure 5 is a perspective view of the open double-engined scull airboat of the present invention;

Figure 6 is a top plan view of the open type double-engine scull airboat of the present invention;

Figure 7 is a side view of the twin-engined two-blade airboat of the present invention;

Figure 8 is a schematic structural view of a propeller system of the present invention;

Figure 9 is a schematic view showing the connection structure of the propeller system, the engine system and the hull of the present invention;

Figure 10 is a perspective view of the hull of the present invention;

Figure 11 is a plan view of the hull of the present invention;

Figure 12 is a schematic view showing the structure of the engine and the bottom of the ship according to the present invention;

Figure 13 is a schematic structural view showing the connection of the engine system of the present invention to the bottom of the ship;

In the picture: 1-hull, 2-engine system, 3-propeller system, 4-steering system, 5-pitch torque converter, 6-cockpit door, 7-skylight, 8-reinforced guardrail, 9-support frame, 10-drive shaft, 11-propeller, 12-flow shroud, 13-direction rudder, 14-rudder, 15-synchronous gear, 16-propeller mount, 17-snail Propeller holder, 18-groove, 19-bottom, 20-engine bracket, 21-engine, 22-shock washer, 23-output shaft, 24-gear, 25-fuel tank.

detailed description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which FIG. However, the invention may be embodied in many different forms and should not be construed as being limited to the exemplary embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

An embodiment of the present invention is shown in FIG. a reducer group (not shown), a propeller system 3, a steering system 4, and a control system; wherein the upper deck of the hull 1 is inclined forward, is low in front and high in height, and the engine system 2 is located in the rear 1/1 of the hull 1. 3 position, which comprises two engines 21; the engine system 2 is connected to the propeller system 3 via a reducer group, and the propeller system 3 is driven by the engine system 2; the steering system 4 is a rudder 14 vertically disposed at the bow, and the rudder 14 is passed The handle control boosting device is coupled to the handle or steering wheel in the control system. The hull 1 is naturally horizontal after the water inlet deck, and the axis of the drive shaft 10 of the thruster system 3 is parallel to the horizontal plane.

The hull 1 is divided into upper and lower parts, the bottom 19 of the ship is welded by 5083 alloy aluminum, and the bottom of the bottom 19 is inverted "concave", that is, the bottom of the ship is provided with a groove 18; the bow and the bottom of the ship are tangentially curved upward; the hull There are camber angles on the freeboard sides and a number of T-shaped aluminum reinforcements on the inside of the side.

By providing the recess 18, the bottom 19 of the boat forms an inverted "concave" type bottom, which increases the strength and reduces the contact area when running on a hard flat surface, thereby reducing the frictional force, and also arranging the functional mechanism in the middle groove. Achieve different purposes of use. The length of the hull is 5,930 mm wide and 2,705 mm wide, and the tail is 850 mm high. The upper deck is tilted forward and the bow is 755 mm above the ground. Since the maximum length of the aluminum plate that can be purchased at present is 6 m, the maximum length that can be produced without lateral welding can maximize the use of raw materials. The bottom material is 5mm thick, the side wall and the deck material are 3mm thick, and the reinforcing T-shaped material is 40×40×4mm.

The upper part of the hull 1 is divided into a front storage compartment, a middle passenger compartment and a rear engine compartment according to the compartment. The hard-top central passenger compartment is made of a metal frame with a fiberglass structure, bolted to the lower hull interface, and has a sealed structure that is protected from rain and water guns and can be used around the clock.

The front storage compartment occupies the bow section, and the upper flap has a waterproof structure to withstand storm scouring and cabin volume. It is about 600L.

The central passenger compartment is the main cabin, driving and riding, the cabin is 2200mm at the widest point, the narrowest part of the tail is 1500mm, and the height of the cabin is 1510mm. Members will have plenty of head space and leg space in the seat to ensure each member. The ride comfort. There are 3 rows of seats in the cabin, 3 in each row. The driver is in the middle of the first row. The hard top cannot be opened. There is a cockpit door 6 on both sides of the middle. The first row and the second row have a large area. The portholes, the four portholes on both sides are limited to the hull structure can only be partially opened, but can be quickly disassembled, which is convenient to open when opening a large area. The third row has no portholes due to the curved structure of the cabin, and the roof has a large area. Skylight 7 to ensure the lighting in the cabin.

The rear engine compartment is also open on both sides of the door structure, made of heat-resistant FRP or aluminum alloy material, with vents on the front and rear. The surface of the hull and the inner surface are painted with paint, and the surface is additionally sprayed with a matt finish to meet the quality inspection standards of the automobile. A reinforcing guard rail 8 is provided at an upper portion of the hull 1.

The engine system 2 is disposed in a canopy made of metal, and the two engines 21 are longitudinally symmetrically disposed on both sides of the central axis of the hull 1; the two engines 21 are mounted on a set of brackets, that is, the engine bracket 20, the bracket and the bottom bolt Connection; two engines 21 share an accelerator pedal, and the speed is synchronized. The two engines each have an independent starting power supply system, a fuel supply system, a cooling system and a monitoring system, sharing a group of fuel tanks.

The engine 21 uses two identical in-line four-cylinder turbocharged petrol engines, each with independent intake, exhaust, cooling, power, fueling, ECU control, and operational monitoring systems. A throttle controller, through the adjustment of the ECU control unit, makes the speed of the two engines consistent at 0%-100% throttle opening, so that the thrust of the left and right sides will be straight. The two engines share a set of fuel tanks 25.

The reducer group adopts a split structure, the reducer group includes two sets of reducers, each set of reducers corresponds to one transmitter, the input synchronous gear 24 of the reducer is connected with the output shaft 23 of the engine 21, and the output synchronous gear 15 of the reducer Connected to a propeller drive shaft 10 fixed to the propeller system 3, the two synchronizing gears transmit power using a synchronous toothed belt connection, and the outer side of the reducer is provided with a reducer cover. Furthermore, a pitch torque converter 5 is also provided on the propeller input shaft of the propeller system 3. The design of the reducer of the present application has a reduction ratio of 2:1 (total gear ratio of 70:140), and the synchronous toothed belt has a specification of RPP8M-2104-100. After the reducer is installed, the reducer cover is fully wrapped, dustproof and waterproof.

The engine 21 is connected to the bilge 19 of the hull 1 through the engine bracket 20, and the connection between the two is provided with a damper foot pad 22; the fuel tank 25 of the engine 21 is disposed at the engine bracket below the engine 21. on. The setting of the shock absorber foot pad 22 can effectively alleviate the vibration generated during the working process of the engine.

The propeller system 3 includes two sets of propellers, which are composed of a support frame 9, a drive shaft 10, a propeller 11 and a shroud 12; the angle of the blades of the propeller 11 is adjustable, by changing the inclination of the propeller blades, Then change the direction and size of the thrust.

The inclination angle of the blade is adjusted between -5° and +15°; the middle position, that is, 0° is the idle speed; when the blade inclination angle is at this position, no thrust is generated when the rotation is performed, and the air boat does not move. The positive tilt angle is positioned to 10° and 15°, and 10° is the normal forward gear. It is used in air boat start, medium and low speed sailing, and cross-country and off-road conditions; 15° is high speed; only in air boat high speed Used during cruising, reducing engine speed saves fuel. The reverse tilt is positioned at -5°, and the thrust direction is changed without changing the direction of rotation of the propeller, so that the air boat can be decelerated and reversing. Each propeller 11 is provided with a separate shroud 12 that can lift the thrust and also provide protection. The propeller 11 is mounted on the propeller mount 17 by a propeller mount 16.

The steering system 4 is vertically disposed on the rudder 14 of the bow for the cable control; the rudder 14 has a total of three rudder plates, the left and right rudder plates are disposed at the longitudinal axis of the propeller, and the middle portion is at the central axis of the hull, passing through the two The pull rods between the group pull wires and the rudder plates rotate synchronously, and the maximum swing angles of the left and right sides are each 50°. The rudder 14 is fixed to the directional rudder 13. The driver in the cab controls the rudder through the steering wheel or the lever, and the steering wheel is electronically assisted by 1:1 steering. The drawbars are mechanically connected, divided into two left and right, and are arranged in reverse linkage with each other.

The control system includes several control buttons on the bridge, an electronic accelerator pedal that controls the two engines, and a steering wheel. Electrical equipment such as lights, warning lights, and in-cabin drain pumps are controlled by switches on the bridge.

The hull 1 is provided with two inflatable airbags (not shown) in the bow and the bow; the anti-sinking airbag is opened by a knob switch on the bridge. Inflatable airbag, usually folds and stores without occupying storage space. If there is water in the hull, overturning, etc., the airbag is filled with buoyancy by high-pressure gas storage device, which can provide buoyancy of more than 3 tons to prevent the air boat from sinking. In the water.

The dual-engine scull airboat of the present application also includes an auxiliary system, for example, a monitoring system, a passenger cabin air conditioning system, a lighting system, a low-power AC/DC power supply system, a hard plane reduction device, and other auxiliary function systems can refer to existing The configuration of cars and yachts is added.

Among them, the monitoring system consists of two engine tachometers, two water temperature meters, two voltmeters, a speedometer, a fuel gauge, a rudder angle gauge, a flat panel display, and a navigation recorder. Relying on two engines, passenger compartment Two sets of heaters and air-conditioning units are installed inside to work synchronously to provide sufficient warm/cold air for the passenger compartment. The light of the airboat of the present application is composed of two sets of LED lights integrated in the bow, a single set of power of 60W, variable light, providing illumination for conventional night flights. The hard top is also fitted with a set of four 55W xenon dimmers to increase the intensity of the illumination.

The power supply system on the air boat is provided by two 12V 120AH batteries, and the battery is charged by the generator when the engine is running. The two batteries are disconnected in parallel when starting the engine, and the rest time is in parallel.

The speed reducer of the present application is a hydraulic cylinder that pushes a speed reducer on the bottom of the bow to friction with the ground to reduce the speed. The driver depresses the deceleration pedal to perform the electrohydraulic operation, which increases the safety factor for the ice and snow plane.

Example 2

Another embodiment of the present invention is shown in FIG. 3, FIG. 4, and FIG. 7-13. The difference between the embodiment and the embodiment 1 is that the middle passenger compartment of the dual-engine scull airboat is a soft top type, and the soft top can be Open and store at the rear of the passenger compartment. At this time, the cabin becomes a convertible, which gives excellent visibility. After the soft top is closed, there are two curtains that can be rolled up on both sides. The curtain and the soft top are connected by a sealing zipper. Rainproof.

Example 3

Another embodiment of the present invention is shown in FIG. 5, FIG. 6, and FIG. 7-13. The difference between this embodiment and the embodiment 1 is that the central passenger compartment of the dual-engine scull airboat is open, and the open type is waterproof. The canopy has only a detachable awning.

The above description is only for the purpose of illustrating the invention, and it should be understood that the invention is not limited to the above embodiments, and various modifications of the invention are within the scope of the invention.

Claims

A twin-engine scull airboat, characterized in that the airboat comprises a hull, an engine system, a reducer group, a propeller system, a steering system and a control system; wherein the upper deck of the hull is forwardly inclined and front Low and high, the engine system is located at the rear 1/3 position of the hull, which includes two engines; the engine system is connected to the propeller system through the reducer group, and the propeller system is driven by the engine system; The steering system is a rudder vertically disposed at the bow, and the rudder is connected to a handle or a steering wheel in the control system by a handle control boosting device, and the hull is naturally horizontally placed on the rear deck, and the drive shaft of the propeller system The heart is parallel to the horizontal plane.
The dual-engine scull airship according to claim 1, wherein the hull is divided into upper and lower parts, the bottom of the ship is welded with 5083 alloy aluminum, and the bottom of the bottom of the ship is inverted "concave"; the bow and the bottom of the ship It is raised in a tangential arc; the freeboard on both sides of the hull has a camber angle, and a number of T-shaped aluminum ribs are welded on the inside side of the side.
A dual-engine scull airship according to claim 1, wherein said engine system is disposed in a canopy made of metal, and two engines are longitudinally symmetrically disposed on both sides of the central axis of the hull; two engines Installed on a set of brackets, the bracket is connected with the bottom bolt; the two engines share an accelerator pedal, and the speed is synchronized. The two engines each have an independent starting power supply system, a fuel supply system, a cooling system and a monitoring system. tank.
The dual-engine scull airboat according to claim 1, wherein the reducer group comprises two sets of reducers, and the reducer adopts a split structure, and each set of reducers corresponds to one engine, and the reducer is The input synchronizing gear is directly connected to the output shaft of the engine, the output synchronizing gear of the reducer is connected with the propeller input shaft on the propeller system, and the two synchronizing gears transmit power through the synchronous toothed belt connection, and the outer side of the reducer is set There is a reducer cover.
A dual-engine scull airship according to claim 1, wherein said engine is coupled to a bottom of said hull by an engine mount, and a joint of said two is provided with a damper foot; said engine The fuel tank is placed on the engine mount below the engine.
A twin-engine scull airboat according to claim 1 wherein said propeller system comprises two sets of propellers, said propeller consisting of a support frame, a drive shaft, a propeller and a shroud; said propeller The angle of the blade is adjustable, and the direction and magnitude of the thrust are changed by changing the inclination of the propeller blade.
The dual-engine scull airship according to claim 6, wherein the inclination angle of the blade is between -5° and +15°; the intermediate position, that is, 0° is an idle speed; the positive inclination Positioned to 10° and 15°, 10° is the normal forward gear, 15° is the high gear; the reverse inclination is positioned at -5°, and the thrust direction is changed without changing the direction of rotation of the propeller, so that the air boat does Slow down and reverse maneuver.
The dual-engine scull airship according to claim 1, wherein the steering system is a rudder vertically disposed at a bow of a cable control; the rudder has three rudder plates, and two left and right rudder plates are provided. At the longitudinal axis of the center of the propeller, the middle piece is synchronously rotated by the two sets of pull wires and the tie rods between the rudder plates at the central axis of the hull, and the maximum swing angle of each of the left and right sides is 50°.
A dual-engine scull airship according to claim 1 wherein said control system includes a plurality of control buttons disposed on the bridge, an electronic accelerator pedal for controlling the two engines, and a steering wheel.
A dual-engine scull airship according to claim 1 wherein said hull is provided with two inflatable air bags in the bow and the bow; said hull is divided into a front storage compartment, a middle passenger compartment and In the rear engine compartment, the central passenger compartment is divided into a hard top type, a soft top type and an open type.