CN214524277U - Bottom structure of air curtain drag reduction boat - Google Patents

Abstract

The utility model discloses a bottom structure of air curtain drag reduction ships and light boats, including the bottom plate, its characterized in that: the improved air pump is characterized in that a separating sheet is fixedly connected to the upper surface of the bottom plate, a partition plate is fixedly connected to one end, far away from the bottom plate, of the separating sheet, a groove is formed in the lower surface of the bottom plate, a clamping plate is fixedly connected to the upper surface of the bottom plate, an air pump is fixedly connected to the upper surface of the clamping plate, and a deck is fixedly connected to the upper surface of the air pump. The utility model discloses, through design recess and parting bead, realize the ship at the in-process that advances at a high speed, the part that barely exposes the surface of water does not spray the air current, and produce the punching press air current and do benefit to the reduction resistance, through design rubber sack, elasticity rope and air pump, realize exposing the bottom surface of ship on the surface of water when stopping the ship, avoid growing aquatic animals and plants, through design electronic pressure valve, the treater, whether the realization is barely exposed the surface of water according to the bottom surface that atmospheric pressure detected the ship when removing, reach the purpose that reduces the outflow of invalid air current.

Description

Bottom structure of air curtain drag reduction boat

Technical Field

The utility model relates to an air curtain ship field especially relates to a bottom structure of air curtain drag reduction ship.

Background

When a moving object runs at a high speed, the friction resistance acting on the surface of the moving object is the main part of the motion resistance of the moving object, in particular to objects such as ships and warships which move on water or underwater. The reduction of the wetted surface of the boat body can directly reduce the frictional resistance between the surface of the boat body and water, and the total resistance of the sport boat is reduced by utilizing the difference of the density and the viscosity of gas and water and reducing the actual wetted area of the boat. In the practical application of a surface ship, the air curtain generating devices spray air on a plane at the bottom of the ship, the mode has obvious effect on a low-speed flat-bottom ship, and has the effect of reducing drag of the air curtain when the inclination angle is smaller for a high-speed ship with an inclination angle at the bottom, and when the inclination angle is larger, the ship bottom needs to be reformed.

A bottom structure for an air curtain drag reduction boat as described in CN201220715977.8, although solving the problem of high energy consumption, still has the following disadvantages:

1. the high-speed airflow of the bottom structure of the air curtain anti-drag boat completely depends on the pump body to jet out gas;

2. at present, the bottom structure of the air curtain drag reduction boat is not used for a long time when the boat is parked, so that aquatic animals and plants can block the air injection holes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the bottom structure of a gas curtain drag reduction ship that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a bottom structure of air curtain drag reduction ships and light boats, includes the bottom plate, its characterized in that: the upper surface of the bottom plate is fixedly connected with a separation sheet, one end of the separation sheet, far away from the bottom plate, is fixedly connected with a partition plate, the lower surface of the bottom plate is provided with a groove, the upper surface of the bottom plate is fixedly connected with a clamping plate, the upper surface of the clamping plate is fixedly connected with an air pump, the upper surface of the air pump is fixedly connected with a deck, and the left surface of the deck is rotatably connected with a cover;

the lower fixed surface of lid is connected with the rubber sack, the air pump passes through gas injection pipe and rubber sack intercommunication, the upper surface of splint and the right side fixedly connected with compressor that is located the air pump, the output fixedly connected with air duct of compressor, the inside fixedly connected with electron pressure valve of air duct.

As a further description of the above technical solution:

the number of the partition sheets is multiple and the partition sheets are arranged in a cross mode, and the number of the grooves is multiple and distributed in the left and right direction.

As a further description of the above technical solution:

form the high-pressure gas layer between bottom plate and the baffle, the inside of bottom plate is provided with the jet head, the high-pressure gas layer passes through jet head and atmosphere intercommunication.

As a further description of the above technical solution:

the lower surface of splint and baffle fixed connection, the quantity of rubber sack is two and controls the distribution.

As a further description of the above technical solution:

the rubber bag is characterized in that a fixing piece is fixedly connected inside the rubber bag, and an elastic rope is fixedly connected to the upper surface of the fixing piece.

As a further description of the above technical solution:

one end of the air guide pipe, which is far away from the compressor, extends to the inside of the high-pressure air layer, and the number of the air guide pipes is multiple.

As a further description of the above technical solution:

the electronic pressure valve is electrically connected with a controller.

As a further description of the above technical solution:

the upper surface of the partition board is fixedly connected with airtight boards, and a cavity is formed between the airtight boards.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the bottom structure of the air curtain drag reduction boat has the advantages that through the design of the grooves and the separating sheets, the part of the boat exposed out of the water surface does not spray air flow in the process of advancing at high speed, and the generated punching air flow is beneficial to reducing resistance.

2. Compared with the prior art, the bottom structure of the air curtain drag reduction boat has the advantages that the bottom surface of the boat is exposed on the water surface when the boat is stopped by designing the rubber bag, the elastic rope and the air pump, and aquatic animals and plants are prevented from growing.

3. Compared with the prior art, the bottom structure of the air curtain resistance-reducing boat realizes the detection of whether the bottom surface of the boat is exposed out of the water surface or not according to air pressure during movement by designing the electronic pressure valve and the processor, and achieves the purpose of reducing the outflow of invalid air flow.

Drawings

Fig. 1 is a schematic view of the internal structure of the bottom structure of an air curtain drag reduction boat provided by the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a left side view of a bottom structure of an air curtain drag reduction boat provided by the present invention;

fig. 4 is the utility model provides a bottom structure's of air curtain drag reduction ships and light boats overall structure schematic diagram.

Illustration of the drawings:

1. a base plate; 2. a groove; 3. a partition plate; 4. a cavity; 5. a fixing sheet; 6. a rubber bag; 7. an elastic cord; 8. a deck; 9. an air duct; 10. a separator; 11. an electronic pressure valve; 12. a compressor; 13. an air pump; 14. a gas injection pipe; 15. a cover; 16. a high pressure gas layer; 17. an airtight plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the bottom structure of an air curtain drag reduction boat provided by the utility model comprises a bottom plate 1, a plurality of separating sheets 10 are fixedly connected to the upper surface of the bottom plate 1, the separating sheets 10 are used for dividing a high-pressure air layer 16, the number of the separating sheets 10 is a plurality and are arranged in a cross way, the number of grooves 2 is a plurality and are distributed left and right, one end of the separating sheet 10 far away from the bottom plate 1 is fixedly connected with a baffle 3, the high-pressure air layer 16 is formed between the bottom plate 1 and the baffle 3, an air nozzle is arranged inside the bottom plate 1, the high-pressure air layer 16 is communicated with the atmosphere through the air nozzle, the lower surface of the clamping plate is fixedly connected with the baffle 3, the number of rubber bags 6 is two and are distributed left and right, the lower surface of the bottom plate 1 is provided with grooves 2, the grooves 2 are used for punching and preventing the air flow from overflowing, the upper surface of the bottom plate 1 is fixedly connected with clamping plates, the upper surface of the clamping plates is fixedly connected with an air pump 13, the upper surface of the air pump 13 is fixedly connected with a deck 8, and the left surface of the deck 8 is rotatably connected with a cover 15.

The structure utilizes the principle of stamping to further increase the pressure of the gas layer.

Lower fixed surface of lid 15 is connected with rubber sack 6, rubber sack 6 is used for producing buoyancy when the ship is stopped, the inside fixedly connected with stationary blade 5 of rubber sack 6, the last fixed surface of stationary blade 5 is connected with elastic cord 7, air pump 13 passes through gas injection pipe 14 and rubber sack 6 intercommunication, the upper surface of splint and the right side fixedly connected with compressor 12 that is located air pump 13, the output fixedly connected with air duct 9 of compressor 12, the one end that compressor 12 was kept away from to air duct 9 extends to the inside of high-pressure gas layer 16, the quantity of air duct 9 is a plurality of, the inside fixedly connected with electron pressure valve 11 of air duct 9, electron pressure valve 11 is used for controlling whether the air current flows, electron pressure valve 11 electrically connected with controller, the last fixed surface of baffle 3 is connected with air seal 17, form cavity 4 between air seal 17.

The structure is designed to avoid waste caused by ineffective airflow jet when the contact area is reduced in the process of high-speed movement of the ship.

The working principle is as follows: the ship is in the in-process that removes compressor 12 sprays high-pressure draught to high-pressure air layer 16 through air duct 9 in, when the hull bottom area of contact reduces, electronic pressure valve 11 detects and closes after pressure reduces, judge that this part hull bottom leaves the surface of water, thereby reduce the injection of air current, the hull bottom and air striking, recess 2 carries out the punching press with partial air current, increase the pressure of contact surface, when the ship is leaned on the shore, inflate in rubber sack 6 through air pump 13, make the ship come-up, avoid hull bottom and surface of water long-time contact, when needs travel, release the inside gas of rubber sack 6, elastic rope 7 is with its shrink, it accomodates it in the left side of air pump 13 to rotate lid 15.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a substructure of air curtain drag reduction ships and light boats, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a separation plate (10), one end, far away from the bottom plate (1), of the separation plate (10) is fixedly connected with a partition plate (3), the lower surface of the bottom plate (1) is provided with a groove (2), the upper surface of the bottom plate (1) is fixedly connected with a clamping plate, the upper surface of the clamping plate is fixedly connected with an air pump (13), the upper surface of the air pump (13) is fixedly connected with a deck (8), and the left surface of the deck (8) is rotatably connected with a cover (15);

the lower fixed surface of lid (15) is connected with rubber sack (6), air pump (13) are through gas injection pipe (14) and rubber sack (6) intercommunication, the upper surface of splint and right side fixedly connected with compressor (12) that are located air pump (13), the output fixedly connected with air duct (9) of compressor (12), the inside fixedly connected with electron pressure valve (11) of air duct (9).

2. The substructure of an air curtain drag reducing boat as claimed in claim 1, wherein: the number of the separation sheets (10) is multiple and the separation sheets are arranged in a crisscross mode, and the number of the grooves (2) is multiple and the grooves are distributed in the left-right direction.

3. The substructure of an air curtain drag reducing boat as claimed in claim 1, wherein: form high-pressure gas layer (16) between bottom plate (1) and baffle (3), the inside of bottom plate (1) is provided with the jet head, high-pressure gas layer (16) are through jet head and atmosphere intercommunication.

4. The substructure of an air curtain drag reducing boat as claimed in claim 1, wherein: the lower surface of the clamping plate is fixedly connected with the partition plate (3), and the number of the rubber bags (6) is two and the rubber bags are distributed left and right.

5. The substructure of an air curtain drag reducing boat as claimed in claim 1, wherein: the rubber bag is characterized in that a fixing piece (5) is fixedly connected to the inside of the rubber bag (6), and an elastic rope (7) is fixedly connected to the upper surface of the fixing piece (5).

6. The substructure of an air curtain drag reducing boat as claimed in claim 1, wherein: one end of the air duct (9) far away from the compressor (12) extends to the inside of the high-pressure air layer (16), and the number of the air ducts (9) is multiple.

7. The substructure of an air curtain drag reducing boat as claimed in claim 1, wherein: the electronic pressure valve (11) is electrically connected with a controller.

8. The substructure of an air curtain drag reducing boat as claimed in claim 1, wherein: the upper surface of the partition board (3) is fixedly connected with airtight plates (17), and a cavity (4) is formed between the airtight plates (17).

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