Submarine type round-head ship-shaped net cage

By designing a submarine-style round-headed net cage, adopting a streamlined submarine-style bow body and liquid storage tank structure, and combining an air compressor and a submersible pump to realize the raising and lowering of the net cage, the stability and safety problems of traditional net cages under harsh sea conditions have been solved, achieving higher wind and wave resistance and simplified operation.

CN223626730UActive Publication Date: 2025-12-05NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423315896.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-05
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional net cages are unstable when resisting huge waves, and their lifting structure is complex, increasing underwater resistance and affecting the safety and economy of deep-sea aquaculture.

Method used

The design incorporates a submarine-style round-headed net cage, using a streamlined submarine-style bow as the liquid storage tank. The net cage is raised and lowered by combining an air compressor and a submersible pump. The segmented structure of the submarine-style bow and the round-headed design disperse wave energy and reduce water flow resistance. The impeller absorbs tidal energy for energy reuse.

Benefits of technology

It improves the stability and safety of the cages in harsh sea conditions, reduces wave impact, extends service life, simplifies operation procedures, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223626730U_ABST
    Figure CN223626730U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of sea area culture, in particular to a submarine type round-head ship-shaped net cage which comprises a net cage main body, the net cage main body is arranged at one end of a submarine type bow main body, one end of the submarine type bow main body far away from the net cage main body is a round head, and the front side and the rear side of the submarine type bow main body are streamlined. A cavity is formed in the submarine type prow body and serves as a first liquid storage tank, an air compressor is fixed to one side edge of the first liquid storage tank, the output end of the air compressor is communicated with the first liquid storage tank, a first submersible pump is arranged at the bottom of the side edge of the submarine type prow body, an output opening of the first submersible pump is communicated with the first liquid storage tank, and a fourth one-way valve is arranged between the air compressor and the first liquid storage tank. The head of the submarine type prow body is arranged to be the round head, so that resistance of water flow to the net cage is reduced, impact force of waves to the net cage is effectively reduced, meanwhile, wave energy can be better dispersed when the submarine type prow body encounters stormy waves, direct impact is reduced, and the stormy wave resistance of the net cage is enhanced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sea area cultivation, in particular to a submarine type round head ship type net cage. BACKGROUND

[0002] In recent years, with the increasing depletion of offshore fishery resources and the strict restriction of the state on fishing, people have paid more and more attention to the fishery resources in the deep sea. With the continuous development of science and technology, the net cage, as a new breeding carrier in deep sea breeding, combines marine engineering equipment industry with industrial breeding and marine biological resource development, and solves the problem of unsustainable development of traditional offshore breeding industry, has the advantages of mobility, small pollution, green and high efficiency, and is a new direction of offshore breeding industry development, so it is loved by fishermen. However, in the process of deep sea breeding, the net cage often faces the threat of typhoon, huge waves and other bad weather conditions, which may cause the net cage to be damaged and the breeding fish to escape, resulting in economic loss.

[0003] The traditional net cage, such as the one disclosed in patent application No. 202420374941.0, can realize lifting to avoid wind and wave, but the overall lifting structure is relatively complex, and the net cage of this structure is provided with multiple frames outside, which finally forms a polygonal structure, increasing the underwater resistance when underwater, and finally having poor stability when resisting huge waves, so it needs to be improved. SUMMARY

[0004] The utility model aims at providing a submarine type round head ship type net cage to solve the problem of complex lifting structure and poor stability when resisting huge waves of the existing net cage in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a submarine type round head ship type net cage, comprising a net cage main body, the net cage main body is arranged at one end of a submarine type bow main body, the end of the submarine type bow main body away from the net cage main body is a round head, the front and back of the submarine type bow main body are arranged in a streamline shape, the inside of the submarine type bow main body is a cavity and serves as a liquid storage tank one, an air compressor is fixed on one side of the liquid storage tank one, the output end of the air compressor is communicated with the liquid storage tank one, a submersible pump one is arranged at the bottom of the side of the submarine type bow main body, the output port of the submersible pump one is communicated with the liquid storage tank one, a one-way valve four is arranged between the air compressor and the liquid storage tank one.

[0006] As preferred, in order to realize the water storage alternately, a liquid storage cabin two is arranged in the inside of the net cage main body, the bottom of the side edge of the liquid storage cabin two is provided with a submersible pump two, the output port of the submersible pump two is communicated with the liquid storage cabin two, the input end of the submersible pump two is connected with a one-way valve one, the input end of the submersible pump one is connected with a one-way valve two, the liquid storage cabin two and the liquid storage cabin one are communicated through a connecting pipe, and the connecting pipe is provided with a one-way valve three.

[0007] As preferred, in order to further reduce the flow and reduce the resistance of water, avoid that the water flow is too large to be impacted and separated from the original position, the bottom of the submarine type bow main body is an inclined bottom, a notch is arranged on the submarine type bow main body and divides the submarine type bow main body into upper and lower regions, the upper region of the submarine type bow main body is the liquid storage cabin one, a right-angled trapezoidal partition plate is arranged in the notch and divides the notch into front and rear regions, and the hypotenuse of the right-angled trapezoidal partition plate is close to the round head.

[0008] As preferred, in order to realize energy recycling, a impeller support is arranged on the side of the notch close to the net cage main body, two impellers are rotationally connected in the impeller support, and the impellers are used to absorb the tidal energy in the circumferential direction of the impellers.

[0009] As preferred, in order to improve safety, a back-to-back frame is fixed to the side edge of the submarine type bow main body, and a fence is fixed above the back-to-back frame.

[0010] As preferred, the net cage main body comprises two independent net cages, and the net cages are fixed above the back-to-back frame.

[0011] As preferred, in order to ensure that the net cage can sink and float in the water area, and avoid that the net cage is excessively swung to damage the fish, more than one sinker is hung on the bottom of the net cage.

[0012] Compared with the prior art, the net cage has the beneficial effects that:

[0013] The structure of the submarine type bow main body can improve the hydrodynamic performance of the net cage, reduce the resistance of the water flow to the net cage, effectively reduce the impact force of the wave to the net cage, and significantly improve the stability and safety of the net cage, especially in severe sea conditions.

[0014] 2, the submarine type ship head main body inside is directly used as liquid storage cabin one, and is matched with air compressor and submersible pump one, water injection and drainage in the liquid storage cabin one are realized, and the whole net cage is lifted, so that the overall structure is more simple, and the operation is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Structure diagram of a submarine type round head ship net cage disclosed in embodiment 1 Figure 1 ;

[0016] Figure 2 Structure diagram of a submarine type round head ship net cage disclosed in embodiment 1 Figure 2 ;

[0017] Figure 3 Structure diagram of a submarine type round head ship net cage disclosed in embodiment 1 without installing the net cage main body

[0018] Figure 4 Structure diagram of a submarine type round head ship net cage disclosed in embodiment 1 without installing the back-shaped frame and the fence Figure 3

[0019] Structure diagram of a submarine type round head ship net cage disclosed in embodiment 1 with the combination of the back-shaped frame and the fence Figure 5

[0020] Structure diagram of a submarine type round head ship net cage disclosed in embodiment 1 with the combination of the back-shaped frame and the fence Figure 6

[0021] Structure diagram of a submarine type round head ship net cage disclosed in embodiment 1 with the combination of the back-shaped frame and the fence DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely below with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application. EMBODIMENT

[0023] Please refer to Figures 1-6 ​The submarine type round head ship type net cage disclosed in the embodiment comprises a net cage main body 1, the net cage main body 1 is arranged at one end of a submarine type ship head main body 2, the end of the submarine type ship head main body 2 away from the net cage main body 1 is a round head 201, the front and back of the submarine type ship head main body 2 is arranged in a streamline shape, the inside of the submarine type ship head main body 2 is a cavity and serves as a liquid storage cabin 1, an air compressor 3 is fixed at the side of the liquid storage cabin 1, the output end of the air compressor 3 is communicated with the liquid storage cabin 1, a submarine pump 1 4 is arranged at the bottom of the side of the submarine type ship head main body 2, the output port of the submarine pump 1 4 is communicated with the liquid storage cabin 1, a one-way valve 4 5 is arranged between the air compressor 3 and the liquid storage cabin 1.

[0024] As preferred, in order to realize the alternate use of water storage, a liquid storage cabin 2 6 is further arranged in the inside of the net cage main body 1, the bottom of the side of the liquid storage cabin 2 6 is provided with a submarine pump 2 7, the output port of the submarine pump 2 7 is communicated with the liquid storage cabin 2 6, the input end of the submarine pump 2 7 is connected with a one-way valve 1 8, the input end of the submarine pump 1 4 is connected with a one-way valve 2 9, the liquid storage cabin 2 6 and the liquid storage cabin 1 are communicated through a connecting pipe 1 0, the connecting pipe 1 0 is provided with a one-way valve 3 1 1, in the embodiment, in order to realize the alternate use of water storage, therefore, a liquid storage cabin 2 6 is additionally arranged, when it is needed to sink the whole net cage into the sea, the liquid storage cabin 1 or / and the liquid storage cabin 2 6 can be selected to store water, when the liquid storage cabin 2 6 is selected to be used alone, the submarine pump 1 4 is not driven to work, the submarine pump 2 7 and the one-way valve 1 8 are driven to work, water is stored into the liquid storage cabin 2 6, the whole net cage main body 1 can also be sunk, when it is needed to drain water, the submarine pump 2 7 is closed, the air compressor 3, the one-way valve 4 5 and the one-way valve 3 1 1 are opened, after air compression, air enters into the liquid storage cabin 1 first, then enters into the liquid storage cabin 2 6 through the connecting pipe 1 0, to realize the operation of draining water for the liquid storage cabin 2 6.

[0025] As preferred, in order to further reduce the flow and reduce the water resistance, avoid the water flow with too large impact to be separated from the original position, the bottom of the submarine type ship head main body 2 is an inclined bottom, the submarine type ship head main body 2 is provided with a gap 1 2 which divides the submarine type ship head main body 2 into upper and lower two regions, the upper region of the submarine type ship head main body 2 serves as the liquid storage cabin 1, the gap 1 2 is provided with a right-angled trapezoidal partition plate 1 3 which divides the gap 1 2 into front and back two regions, the hypotenuse of the right-angled trapezoidal partition plate 1 3 is close to the round head 2 0 1, in the embodiment, the bottom of the submarine type ship head main body 2 is arranged in an arc shape, the whole submarine type ship head main body 2 is arranged in a form similar to the submarine type ship head, which can not only reduce the water resistance of the ship body, but also avoid the water flow with too large impact to be separated from the original position.

[0026] In order to realize energy recycling, the impeller support 14 is arranged on the side of the net cage body 1 close to the notch 12, two impellers 15 are rotatably connected in the impeller support 14, the impellers 15 are used to absorb the tidal energy in the circumferential direction of the impellers 15, in the embodiment, the tidal energy in the circumferential direction of the impellers 15 is obtained by rotating the impellers 15 through water flow impact, and then converted into mechanical energy to facilitate power supply to each device in the later stage, further realizing energy recycling, and it should be noted that how the mechanical energy after the rotation of the impellers 15 is converted into electrical energy to power each device belongs to the conventional technology in the art, and therefore will not be described in detail.

[0027] In order to improve safety, the submarine type bow body 2 is fixed with a frame 16 of a back-shaped frame type on the side, and a fence 17 is fixed above the frame 16 of the back-shaped frame type, the structure improves the safety of the user during use by adding the fence 17, and the liquid storage cabin 6 is fixed below the frame 16 of the back-shaped frame type in the embodiment.

[0028] The net cage body 1 in the embodiment includes two independent net cages 101, and the net cages 101 are fixed above the frame 16 of the back-shaped frame type, in the embodiment, different fish can be cultured by arranging two independent net cages 101.

[0029] In order to ensure that the net cage can sink and float in the water area, and at the same time avoid that the net cage is excessively swung to affect the damage of the fish, more than one sinker 18 is hung at the bottom of the net cage 101, in the embodiment, the sinker 18 is arranged to ensure that the net cage can sink and float in the water area, on the other hand, the plurality of sinkers 18 are arranged to ensure that the whole net cage is more stable, and the net cage will not be excessively swung due to water wave impact, so as to affect the damage of the fish due to collision.

[0030] The structure improves the hydrodynamic performance of the net cage, reduces the resistance of water flow to the net cage, and helps to improve the flow field, reduce the vortex area formed after the water flow passes through the tail of the submarine bow body 2, reduce the viscous pressure difference resistance, and have better stability when resisting huge waves; At the same time, the inside of the submarine bow body 2 is directly used as a liquid storage tank I, so that the overall structural layout is simpler, and in the use process, when the wind and wave are small, the whole net cage floats on the sea surface, reducing the space occupation; When the wind and wave increase, drive the submersible pump I 4 to work, and open the one-way valve II 9, fill water into the liquid storage tank I, so that the whole net cage is submerged into the sea when the water is filled to a certain amount, to resist the wind and wave, and then close the submersible pump I 4, drive the air compressor 3 and the one-way valve IV 5 to work to compress air into the liquid storage tank I to drain water, and after draining water, the whole net cage floats out of the water, so that the structure can realize the use of the submerged net cage to cope with bad weather in extreme weather, effectively avoiding the direct impact of the wind and wave on the net cage and the influence of toxic algae caused by red tide, and protecting the farmed fish from damage;

[0031] In summary, the structure has the following technical advantages:

[0032] 1、The structure of the submarine bow body 2 in the structure can improve the hydrodynamic performance of the net cage, reduce the resistance of water flow to the net cage, effectively reduce the impact force of the wave on the net cage, especially in bad sea conditions, significantly improve the stability and safety of the net cage; In addition, the round head design of the submarine bow body 2 can better disperse the wave energy when the net cage encounters wind and wave, reduce the direct impact, and enhance the wind and wave resistance of the net cage, which is crucial for deep sea aquaculture which often faces extreme weather and sea conditions; The streamline design of the submarine bow body 2 on both sides reduces the wave impact and material wear, reduces the maintenance cost and prolongs the service life of the net cage; And the whole submarine bow body 2 can be made of HDPE, light high-strength aluminum alloy or stainless steel material, which further enhances the overall structural strength of the net cage and improves its corrosion and aging resistance;

[0033] 2、The inside of the submarine bow body 2 is directly used as a liquid storage tank I, and the air compressor 3 and the submersible pump I 4 are used to realize water filling and drainage in the liquid storage tank I to realize the lifting of the whole net cage, so that the overall structure is simpler and the operation is more convenient.

[0034] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A submarine round head ship net cage comprising a net cage body (1), characterized in that, The net cage main body (1) is arranged at one end of the submarine bow main body (2), the end of the submarine bow main body (2) away from the net cage main body (1) is a round head (201), the front and back of the submarine bow main body (2) are arranged in a streamlined shape, the inside of the submarine bow main body (2) is a cavity and serves as a liquid storage tank one, an air compressor (3) is fixed on the side of the liquid storage tank one, the output end of the air compressor (3) is communicated with the liquid storage tank one, a submersible pump one (4) is arranged at the bottom of the side of the submarine bow main body (2), the output port of the submersible pump one (4) is communicated with the liquid storage tank one, a one-way valve four (5) is arranged between the air compressor (3) and the liquid storage tank one.

2. A submarine roundhead shipnet according to claim 1, characterized in that A liquid storage tank two (6) is further arranged in the net cage main body (1), a submersible pump two (7) is arranged at the bottom of the side of the liquid storage tank two (6), the output port of the submersible pump two (7) is communicated with the liquid storage tank two (6), the input end of the submersible pump two (7) is connected with a one-way valve one (8), the input end of the submersible pump one (4) is connected with a one-way valve two (9), the liquid storage tank two (6) and the liquid storage tank one are communicated through a connecting pipe (10), and the connecting pipe (10) is provided with a one-way valve three (11).

3. A submarine roundhead shipnet according to claim 2, c h a r a c t e r i s e d in that The bottom of the submarine bow main body (2) is an inclined bottom, a notch (12) is arranged on the submarine bow main body (2) and divides the submarine bow main body (2) into an upper region and a lower region, the upper region of the submarine bow main body (2) serves as the liquid storage tank one, a right-angled trapezoidal partition plate (13) is arranged in the notch (12) and divides the notch (12) into a front region and a rear region, and the hypotenuse of the right-angled trapezoidal partition plate (13) is close to the round head (201).

4. A submarine roundhead shipnet according to claim 3, c h a r a c t e r i s e d in that A blade wheel support (14) is arranged on the side of the notch (12) close to the net cage main body (1), two blade wheels (15) are rotatably connected in the blade wheel support (14), and the blade wheels (15) are used for absorbing tidal energy in the circumferential direction of the blade wheels (15).

5. A submarine round head ship net cage according to claim 1 or 2 or 3 or 4, wherein, A back-to-back frame (16) is fixed on the side of the submarine bow main body (2), and a fence (17) is fixed above the back-to-back frame (16).

6. A submarine roundhead shipnet according to claim 5, c h a r a c t e r i s e d in that The net cage main body (1) comprises two independent net cages (101), and the net cages (101) are fixed above the back-to-back frame (16).

7. A submarine roundhead shipnet according to claim 6, c h a r a c t e r i s e d in that More than one sink (18) is hung at the bottom of the net cage (101).

Citation Information

Patent Citations

  • Lifting type aquaculture net cage

    CN221843494U