WO2017128566A1

WO2017128566A1 - Self-priming boat

Info

Publication number: WO2017128566A1
Application number: PCT/CN2016/082783
Authority: WO
Inventors: 王小兵
Original assignee: 王小兵
Priority date: 2016-01-27
Filing date: 2016-05-20
Publication date: 2017-08-03
Also published as: CN105584587A

Abstract

Provided is a self-priming boat, belonging to the field of means of water transport, and comprising a hull (100); said hull (100) is provided with an air cushion apparatus; said air cushion apparatus comprises an air flow channel; said air flow channel is obliquely arranged, its top end corresponding to the upper front of the hull (100) and its bottom end corresponding to the bottom of the hull (100); the air flow channel is internally provided with an air-flow drive apparatus used for inducing air to flow from the top end of the air flow channel to the bottom end; the self-priming boat employs a structure in which air at the upper front of the hull is attracted and pushed into the bottom of the boat; thus an air flow layer may be formed between the bottom of the hull and the surface of the water while the boat is traveling, thereby greatly reducing the water resistance to which the hull is subjected, increasing the travel speed of the boat.

Description

Self-priming ship

Technical field

The present invention relates to the field of watercraft, and in particular to self-priming ships.

Background technique

Ships are one of the most common watercraft. When the ship is driving on the water, it will be subjected to very large resistance, which limits the speed of the ship. At present, there is a hovercraft technology, which can effectively reduce the resistance of the ship while driving, thereby improving the speed of the ship.

However, the existing hovercraft technology is difficult to apply to large ships, that is, it cannot solve the problem of running resistance of large-tonnage ships.

Summary of the invention

It is an object of the present invention to provide a self-priming ship to improve the above problems.

The present invention is implemented as follows:

The self-priming ship includes a hull, and the hull is provided with an air cushion device, the air cushion device includes an air flow passage, the air flow passage is inclined and the top end corresponds to the front side of the hull, and the bottom end corresponds to the bottom of the hull, An air flow driving device for promoting air flow from the top end to the bottom end of the air flow passage is provided in the air flow passage.

In the actual design and manufacture of the self-priming ship, the air flow driving device can adopt various structures and forms as long as the air flow can be promoted. Preferably, the air flow driving device is a fan.

The purpose of the fan is that it is simple in structure and low in cost, but can effectively drive air from the upper front side of the hull to the bottom of the hull.

Preferably, the air flow driving device is a blower.

The purpose of the blower is to ensure stable and reliable operation, which can effectively promote the air in front of the hull to pass through the airflow passage to the bottom of the hull, and can greatly accelerate the flow speed of the air to more effectively improve the speed of the ship.

Preferably, the air flow driving device is an air compressor.

The purpose of the air compressor is to ensure stable and reliable operation, which can effectively increase the pressure and flow rate of the air, thereby improving the drag reduction effect of the air cushion device and the traveling speed of the current ship.

In the actual design and manufacture process of the self-priming ship, the air flow passage can adopt various structures and forms as long as the air flow can be realized. Preferably, the air flow passage is a vent opening formed at a front end of the hull, and the air flow driving device is disposed in the vent hole.

The purpose of using the vent hole directly on the hull as the air flow passage is that the structure is stable and reliable, and convenient for maintenance.

Preferably, the top end of the vent corresponds to the front end of the hull, and the width of the bottom end matches the width of the bottom of the hull.

The purpose of providing the top end and the bottom end of the vent hole is to facilitate the entry of air from the top end of the air flow passage, and increase the contact area of the air from the opposite end of the air flow passage to the bottom of the hull, so that the high-speed flowing air covers the bottom of the hull as much as possible. , thereby improving the drag reduction effect.

Preferably, the air flow passage is surrounded by a vent pipe disposed at a front end of the hull, and the air flow driving device is disposed in the vent pipe.

The purpose of using a separate vent pipe as the air flow passage is to facilitate the processing and manufacture of the hull and the cleaning and replacement of the air flow passage.

Preferably, the bottom end of the vent pipe is connected to a flat tube from the ship One side of the body extends to the other side.

The purpose of the flat tube is to allow the air to cover the bottom of the entire hull as much as possible after being discharged from the bottom of the air passage, thereby improving the drag reducing effect of the air cushion device.

Preferably, the two sides of the bottom of the hull are respectively provided with a baffle, and the bottom surface of the hull, the water surface and the two baffles together constitute a flow guiding channel, and the guiding channel is from the bottom end of the air flow channel Extending to the rear end of the hull.

The purpose of the baffle is to allow the high-speed airflow flowing from the bottom end of the airflow passage to flow along the bottom of the hull, and finally to be naturally discharged from the rear end of the hull, so that on the one hand, the air can cover the bottom of the hull as much as possible, thereby increasing the reduction. The resistance effect, on the other hand, increases the reaction force provided by the air to the hull to increase the speed of the hull.

Preferably, a plurality of splitter plates are further disposed between the two baffles, and the plurality of splitter plates are evenly spaced along the width direction of the hull, and the length direction of each of the baffles and the length direction of the hull the same.

The purpose of the splitter plate is to divert and guide the air flowing along the bottom of the hull, to improve the uniformity of air flow at the bottom of the hull, thereby improving the drag reducing effect of the air cushion device as much as possible, and making up for the defects of the prior art. Improve the stability of the ship.

The beneficial effects of the invention are:

The self-priming ship adopts a structure that attracts and presses the air in front of the hull into the bottom of the hull, so that the ship can form an air flow layer between the bottom of the hull and the water surface during the running, thereby greatly reducing the water resistance of the hull. To improve the speed of the ship, it can effectively improve the driving resistance of large tonnage ships.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. It should be understood that the following drawings show only certain embodiments of the present invention, and therefore It should be seen as a limitation on the scope, and those skilled in the art can obtain other related drawings according to these drawings without any creative work.

1 is a schematic structural view of a self-priming ship according to a first embodiment of the present invention;

2 is a schematic bottom view of a self-priming ship according to a first embodiment of the present invention;

FIG. 3 is a schematic structural view of a self-priming ship according to a second embodiment of the present invention.

Summary of the reference signs:

Hull 100; vent 200; fan 300;

a vent pipe 400; a blower 500; a baffle 600;

The splitter plate 700.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. The components of the embodiments of the invention, which are generally described and illustrated in the figures herein, may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the invention in the claims All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The orientation or positional relationship of the indication is based on the drawing The orientation or positional relationship shown, or the orientation or positional relationship that is conventionally placed when the product of the invention is used, is merely for the purpose of describing the present invention and simplifying the description, and does not indicate or imply that the device or component referred to has a particular orientation. It is constructed and operated in a particular orientation and is therefore not to be construed as limiting the invention. Moreover, the terms "first", "second", "third", and the like are used merely to distinguish a description, and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that the terms "set", "install", "connected", and "connected" are to be understood broadly, and may be fixed connections, for example, unless otherwise specifically defined and defined. It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be internal communication between the two elements. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

First Embodiment, referring to FIG. 1 to FIG. 2, the self-priming ship includes a hull 100. The hull 100 is provided with an air cushion device, and the air cushion device includes an air flow passage, and the air flow passage is inclined and the top end corresponds to the The hull 100 has a front end and a bottom end corresponding to the bottom of the hull 100. The air flow passage is provided with an air flow driving device for promoting air flow from the top end to the bottom end of the air flow passage.

Among them, the "ship" in the self-priming ship generally refers to all vehicles that can use the buoyancy of water to move on the water, and the power mode can be human, wind and engine, etc., the structure and shape of the hull 100. According to the type of the above-mentioned ship, it is not limited to a specific shape; the air flow passage is linear in shape to reduce the flow resistance of the air to ensure high-speed flow of air; the air flow passage is integrally disposed on the hull The front end of the 100 is inclined toward the upper front side of the hull 100, the top end of which is an air inlet, and the bottom end is an air outlet; when the air flow driving device is in operation, air can enter the air flow passage from the air inlet and then exit from the air outlet. .

The working principle and process of the self-priming ship are as follows: during the driving of the ship, the airflow driving device is activated, and the air in front of the hull 100 enters from the top of the airflow passage, and then from the bottom of the airflow passage. The end is discharged at a high speed, and the discharged air moves to the rear and both sides along the bottom of the hull 100 and is discharged, so that an air flow layer is formed between the bottom of the hull 100 and the water surface, and the air flow layer not only greatly The upper part reduces the friction between the bottom of the hull 100 and the water surface, and provides an upward lifting force and a forward recoil force to the hull 100, thereby greatly reducing the water resistance of the hull 100 during the movement, and effectively improving the movement of the hull 100. speed. At the same time, during the operation of the airflow driving device, the air in front of the hull 100 is also sucked, thereby reducing the air pressure in front of the hull 100, thereby reducing the air resistance received by the hull 100, and further improving the hull 100. The speed of movement.

In the actual design and manufacture of the self-priming ship, the air flow driving device can adopt various structures and forms as long as the air flow can be promoted. In this embodiment, the airflow driving device is a fan 300.

The fan 300 includes a bracket, a motor, a fan blade, and a protective net. The bracket has a herringbone shape and includes three arms. The ends of the three arms that are away from each other are respectively connected to the inner wall of the airflow channel. Specifically, The ends of the three arms that are away from each other are respectively provided with mounting holes, the three bolts respectively pass through the three mounting holes and are locked into the inner wall of the air flow passage, and the motor is fixedly connected to the center position of the bracket by bolts. The fan blade has a plurality of blades and is evenly spaced along the circumferential direction of the output shaft of the motor. The protective mesh has two layers disposed above and below the motor and the fan blades respectively to prevent debris from entering the airflow passage and damaging the fan 300. The protective net is detachably connected to the air flow passage by a stainless steel wire mesh for installation and disassembly.

The purpose of using the fan 300 is that the structure is simple and the cost is low, but the air can be effectively driven. Gas flows from the upper front side of the hull 100 to the bottom of the hull 100.

In the actual design and manufacture process of the self-priming ship, the air flow passage can adopt various structures and forms as long as the air flow can be realized. In this embodiment, the air flow passage is a vent hole 200 opened at the front end of the hull 100, and the air flow driving device is disposed in the vent hole 200.

Wherein, the vent hole 200 extends from the front end of the hull 100 to the bottom front end of the hull 100; the bottom front end of the hull 100 is lower than the rest of the bottom portion (ie, the front end of the bottom of the hull 100 forms a stepped surface with the rest of the bottom portion), and the vent hole 200 The bottom end (ie, the air outlet) is opened at a joint between the front end of the bottom portion of the hull 100 and the rest of the bottom portion; the vent hole 200 is as close as possible to the front end of the hull 100 so that the air can cover the bottom of the hull 100 as much as possible. Thereby, the resistance received during the running of the hull 100 is minimized; the air flow driving device is disposed above the air flow passage for the installation of the air flow driving device and the flow of the air.

The purpose of using the vent hole 200 directly opened on the hull 100 as the air flow passage is that the structure is stable and reliable, and the maintenance is convenient.

In this embodiment, the top end of the vent hole 200 corresponds to the front end of the hull 100, and the width of the bottom end matches the width of the bottom of the hull 100.

Herein, the meaning of the above "matching" means that the bottom end (i.e., the air outlet) of the vent hole 200 is flat and extends from the bottom side of the hull 100 to the other side, that is, across the bottom of the entire hull 100.

The purpose of providing the top end and the bottom end of the vent hole 200 is to facilitate the entry of air from the top end of the air flow passage while increasing the contact area of the air from the bottom end of the air flow passage to the bottom of the hull 100, so that the high-speed flowing air covers the hull as much as possible. The bottom of the 100, thereby improving the drag reduction effect of the air cushion device.

In this embodiment, the two sides of the bottom of the hull 100 are respectively provided with a baffle 600, and the bottom surface of the hull 100, the water surface and the two baffles 600 together form a flow guiding channel, and the guiding channel is from the The bottom end of the air flow passage extends to the rear end of the hull 100.

The two deflectors 600 are disposed in parallel on the two sides of the bottom of the hull 100, and the front ends of the two deflectors 600 are respectively bent toward the bottom end of the airflow passage; the two deflectors 600 are selected to have high strength and corrosion resistance. The sheet is resistant to seawater corrosion and prolongs its service life. It is bolted to the bottom of the hull 100 for assembly and disassembly.

The purpose of the baffle 600 is to allow the high-speed airflow flowing out from the bottom end of the airflow passage to flow along the bottom of the hull 100, and finally to be naturally discharged from the rear end of the hull 100, so that on the one hand, the air can cover the bottom of the hull 100 as much as possible. Thereby, the drag reducing effect is improved, and on the other hand, the reaction force provided by the air to the hull 100 is increased to increase the traveling speed of the hull 100.

In this embodiment, a plurality of flow dividing plates 700 are disposed between the two baffles 600. The plurality of flow dividing plates 700 are evenly spaced along the width direction of the hull 100, and the length direction of each of the flow dividing plates 700 is The hull 100 has the same length direction.

Wherein, the flow dividing plate 700 has three straight lines, and the front ends of the three flow dividing plates 700 adopt a circular arc transition to reduce the resistance received when the air flows; the three differential flow plates 700 are all mounted by bolts. The bottom of the hull 100 for assembly and disassembly.

The purpose of providing the flow dividing plate 700 is to divert and guide the air flowing along the bottom of the hull 100, thereby improving the uniformity of the air flowing at the bottom of the hull 100, thereby improving the drag reducing effect of the air cushion device as much as possible, and making up for the defects of the prior art.

The self-priming ship adopts a structure that attracts and presses the air in front of the hull 100 into the bottom of the hull 100, so that the ship can form a gas between the bottom of the hull 100 and the water surface during the running of the ship. The flow layer, thereby greatly reducing the water resistance received by the hull 100, and improving the traveling speed of the ship, can effectively improve the running resistance of the large-tonnage ship.

The second embodiment, with reference to FIG. 3, the implementation principle and the technical effects of the device provided by the embodiment of the present invention are the same as those of the foregoing embodiment, and are briefly described. The corresponding content in the example.

In this embodiment, the airflow driving device is a blower 500.

The air blower 500 is of the prior art and is mainly composed of the following six parts: a motor, an air filter, a blower 500 body, an air chamber, a base (and a fuel tank), a drip nozzle, and a blower 500 eccentrically biased by a cylinder. The operation and the volume change between the blades in the rotor slot suck, compress and discharge the air. The body of the blower 500 is disposed in the air flow passage through the bracket and the bolt, and the intake end corresponds to the top end of the air flow passage, and the air outlet end corresponds to the air flow. The bottom end of the channel.

The purpose of the blower 500 is that it is stable and reliable, and can effectively promote the air in front of the hull 100 to pass through the airflow passage to reach the bottom of the hull 100, and can greatly accelerate the flow speed of the air, thereby more effectively improving the traveling of the ship. speed.

In this embodiment, the air flow passage is surrounded by a vent pipe 400 disposed at a front end of the hull 100, and the air flow driving device is disposed in the snorkel 400.

Wherein, the vent tube 400 is made of a stainless steel material to resist the corrosion of the sea breeze and the sea waves, and prolongs the service life of the snorkel 400; the vent tube 400 may have a circular or square cross section, which is determined according to actual needs; The snorkel 400 is mounted on the outer wall of the front end of the hull 100 by a plurality of hoops and bolts for assembly and disassembly.

The purpose of using the separate vent tube 400 as the air flow passage is to facilitate the processing and manufacture of the hull 100 and the cleaning and replacement of the air flow passage.

In this embodiment, the bottom end of the snorkel 400 is connected with a flat tube extending from one side of the hull 100 to the other side.

Wherein, the flat tube is integrally formed with the vent tube 400 for processing while ensuring its mechanical strength; the opening of the flat tube away from one end of the snorkel 400 is linear and closely follows the bottom of the entire hull 100; A connecting plate is disposed on the outer wall of the tube, and the connecting plate is detachably coupled to the outer wall of the hull 100 to improve the stability of the entire air flow passage.

The purpose of the flat tube is to allow the air to be discharged from the bottom of the air flow passage to cover the bottom of the entire hull 100 as much as possible, thereby improving the drag reducing effect of the air cushion device.

The third embodiment, the implementation principle and the technical effects of the device provided by the embodiment of the present invention are the same as those of the foregoing embodiment. For a brief description, where the device embodiment is not mentioned, reference may be made to the corresponding content in the foregoing embodiment. .

In this embodiment, the airflow driving device is an air compressor.

Wherein, the air compressor is a prior art, which is a device for converting mechanical energy of a motive (usually an electric motor) into gas pressure energy, and is a pneumatic generating device for compressed air, which can effectively realize intake, compression and discharge of air. The air compressor body is mounted on the inner wall of the air flow passage by a bracket and a bolt, and the intake valve corresponds to the top end of the air flow passage, and the air outlet valve corresponds to the bottom end of the air flow passage.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

A self-priming ship characterized by comprising a hull, wherein the hull is provided with an air cushion device, the air cushion device comprises an air flow passage, the air flow passage is inclined and the top end corresponds to the front side of the hull, and the bottom end corresponds to the At the bottom of the hull, the air flow passage is provided with an air flow driving device for promoting air flow from the top end to the bottom end of the air flow passage.
The self-priming steamer according to claim 1, wherein the air flow driving device is a fan.
A self-priming ship according to claim 1, wherein said air flow driving means is a blower.
A self-priming ship according to claim 1, wherein said air flow driving means is an air compressor.
The self-priming ship according to claim 1, wherein the air flow passage is a vent hole formed at a front end of the hull, and the air flow driving device is disposed in the vent hole.
The self-priming ship according to claim 5, wherein a top end of the vent hole corresponds to a front end of the hull, and a width of the bottom end matches a width of the hull bottom.
The self-priming type ship according to claim 1, wherein the air flow passage is surrounded by a vent pipe provided at a front end of the hull, and the air flow driving device is disposed in the vent pipe.
The self-priming ship according to claim 7, wherein the bottom end of the vent pipe is connected to a flat tube extending from one side to the other side of the hull.
The self-priming ship according to claim 1, wherein a baffle is respectively disposed on two sides of the bottom of the hull, and the bottom surface, the water surface and the two baffles of the hull are combined a flow guiding passage extending from a bottom end of the air flow passage to a rear end of the hull.
The self-priming ship according to claim 9, wherein a plurality of flow dividing plates are further disposed between the two baffles, and the plurality of flow dividing plates are evenly spaced along the width direction of the hull, each The longitudinal direction of the splitter plate is the same as the longitudinal direction of the hull.