Foldable and self-supporting air bag deep sea aquaculture net cage and mounting method

Abstract

The invention provides a foldable and self-supporting air bag deep-sea aquaculture net cage and an installation method, the foldable and self-supporting air bag deep-sea aquaculture net cage comprises a first steel pipe ring and a second steel pipe ring, and the first steel pipe ring and the second steel pipe ring are parallel to each other; the head ends and the tail ends of the first air bags are connected with the first steel pipe ring and the second steel pipe ring respectively, and the first air bags and the second air bags are perpendicular to each other to form a hollow sphere with the two ends open. The connecting piece is arranged at the joint of the first air bag and the second air bag and is used for fixing the first air bag and the second air bag; self-sustaining of the structure is achieved through air pressure rigidity, a stable breeding space is provided, the flexible air bag part can be folded in an uninflated state, the flexible air bag part has higher buffering capacity and a simplified transportation and installation mode in an inflated state, the manufacturing cost is low, high stability, durability and high benefits are achieved, and large-scale application of deep sea breeding is facilitated.

Description

Technical Field

[0001] The invention relates to a foldable and self-supporting airbag deep-sea aquaculture cage and an installation method thereof, belonging to the field of marine aquaculture cage installation. Background Art

[0002] Deep-sea aquaculture cages are mainly composed of frame systems, net bags, fixing systems and supporting facilities. The cages are lowered to a specified depth underwater by utilizing the interaction of the fixed platforms and the characteristics of the cages themselves. Traditional deep-water aquaculture cages mainly use steel structures. Some deep-sea aquaculture cages have steel structures and steel pipes made of rubber materials interlaced with each other. Although they can provide good support and stable space, they have disadvantages such as heavy weight, difficult transportation and installation, easy corrosion and high cost.

[0003] In addition, deep-sea aquaculture cages are used in coastal areas. Affected by the monsoon climate, coastal areas will face severe sea conditions such as strong winds and high waves. These environmental factors can easily lead to damage to the cage structure or local deformation.

[0004] To this end, the present invention provides a deep-water aquaculture cage structure that remains stable and durable in complex marine environments while taking into account economy and ease of transportation and installation. Summary of the invention

[0005] In view of this, an object of the present invention is to provide a deep-water aquaculture cage structure that is stable, durable and economical in a complex marine environment.

[0006] The present invention is achieved in that:

[0007] A foldable and self-supporting airbag deep-sea aquaculture cage and an installation method thereof, comprising a first steel pipe ring and a second steel pipe ring, wherein the first steel pipe ring and the second steel pipe ring are parallel to each other;

[0008] There are a plurality of first airbags and second airbags, wherein the first airbags are connected to the first steel tube ring and the second steel tube ring at both ends, respectively, and the first airbags and the second airbags are perpendicular to each other to form a hollow sphere with open ends;

[0009] A connecting piece is installed at the connection between the first airbag and the second airbag to fix the first airbag and the second airbag.

[0010] As a further improvement, the structures of the first airbag and the second airbag both include a third airbag and a fourth airbag, and the third airbag is located in the fourth airbag;

[0011] A first air nozzle is disposed outside the third air bag, and the first air nozzle penetrates through the fourth air bag and is exposed outside;

[0012] The second air nozzle is arranged on the fourth air bag and exposed outside the fourth air bag.

[0013] As a further improvement, a plurality of anchor chain rings are evenly arranged on the outer surfaces of the first steel tube ring and the second steel tube ring in the circumferential direction, and a link buckle is provided on the end of the first air bag corresponding to the anchor chain ring;

[0014] The link buckle is connected to the anchor chain ring so that the first airbag is fixed to the first steel pipe ring or the second steel pipe ring.

[0015] As a further improvement, the connecting piece comprises a main body,

[0016] A first groove and a second groove, wherein the first groove and the second groove are respectively opened at the ends of the main body at both ends, and are used to fix the first airbag and the second airbag;

[0017] There are several lock buckles, which are respectively arranged on the end surface of the main body where the first and second ends of the first groove are located, so as to fix the first airbag or the second airbag.

[0018] As a further improvement, the connecting piece comprises a main body,

[0019] A first groove and a second groove, wherein the first groove and the second groove are respectively opened at the ends of the main body at both ends, and are used to fix the first airbag and the second airbag;

[0020] There are several lock buckles, which are respectively arranged on the end surface of the main body where the first and second ends of the first groove are located, so as to fix the first airbag or the second airbag.

[0021] As a further improvement, a connection plate is provided at the center of the first steel pipe ring or the second steel pipe ring, and the connection plate is fixed to the inner surface of the first steel pipe ring or the second steel pipe ring through a plurality of spokes.

[0022] The foldable and self-supporting airbag deep-sea aquaculture cage structure also includes a mooring cable and a foundation pile, and the connecting plate is fixed with the foundation pile via the mooring cable.

[0023] An auxiliary installation device, characterized in that it assists in installing the foldable and self-supporting airbag deep-sea aquaculture cage, and the structure includes:

[0024] There are several fixing plates and threaded connection seats, and the threaded connection seats are arranged on one end surface of the fixing plate in a circular array or a rectangular array.

[0025] A fixing rod passes through the threaded connection seat, and the connection between the fixing rod and the threaded connection seat is connected and fixed by a threaded engagement method;

[0026] The screw rods are several in number and are distributed between the two fixing plates, and the horizontal ends of the screw rods are respectively connected to the fixing plates by threads.

[0027] An installation method, using the auxiliary installation device to assist in the installation of the foldable and self-supporting airbag deep-sea aquaculture cage, the specific steps include transportation pre-installation and on-site installation, wherein the transportation pre-installation includes:

[0028] Step S1, placing a fixing plate parallel to the ground, placing the first steel pipe ring and the second steel pipe ring in the threaded connection seats of the fixing plate respectively, and fixing the first steel pipe ring and the second steel pipe ring by passing a fixing rod through the threaded connection seats;

[0029] Step S2, selecting three first airbags to connect the first steel pipe ring and the second steel pipe ring, and the three first airbags are respectively at the o'clock,, and o'clock positions, and straightening the first airbags;

[0030] Step S3, selecting a plurality of second airbags, connecting them one by one to the first airbags through connecting members, and the distances between adjacent second airbags are equal;

[0031] Step S4, repeating step S2, connecting the remaining first airbags to the first steel pipe ring, the second steel pipe ring and the second airbag respectively, to complete the preliminary fixation;

[0032] Step S5, when the first airbag and the second airbag are completely installed, the fixed plates move toward each other to compress the volumes of the first airbag and the second airbag, and a plurality of screw rods are used to fix the two fixed plates as the smallest unit, and the two airbags are shipped together.

[0033] Furthermore, the on-site installation step includes:

[0034] Step S6, after arriving at the installation site, remove the screw rod and the fixing plate in sequence, inflate the first airbag and the second airbag, and form a stable frame structure;

[0035] Step S7, installing a mooring cable and a suction cylinder, wherein an anchor chain retracting device is provided on the suction cylinder, and a buoy is provided on the top of the mooring cable to make the mooring cable float;

[0036] Step S8, installing ballast blocks and ballast water tanks at the bottom of the airbag deep-sea aquaculture cage, connecting the airbag deep-sea aquaculture cage with the mooring cable, adjusting the ballast amounts of the ballast blocks and ballast water tanks, and completing the on-site installation.

[0037] The beneficial effects of the present invention are:

[0038] ① The present invention realizes structural self-sustaining through air pressure stiffness, provides a stable aquaculture space, and the flexible airbag part can be folded in the uninflated state, and has stronger buffering capacity in the inflated state, simplified transportation and installation methods, low cost, high stability, durability and high efficiency, which helps the large-scale application of deep-sea aquaculture.

[0039] ② The first airbag and the second airbag of the present invention adopt a double-layer nested structure, and the inner and outer double-layer third airbag and the fourth airbag can be inflated independently. Even if there is local leakage or damage, the integrity and function of the overall structure will not be destroyed; the first airbag and the second airbag orthogonal in the middle of the breeding cage are independently designed and not connected to each other, which not only improves the overall safety, but also can evenly disperse external forces and enhance the ability to resist wind and waves.

[0040] ③ The present invention adopts a kite-type single-point mooring design, which enables the cage to rise and fall with the waves and automatically adjust the angle, thereby reducing the impact of wave force; allowing the cage to maintain excellent stability in severe sea conditions.

[0041] ④ The present invention provides ballast blocks and ballast water tanks at the bottom of the airbag deep-sea aquaculture cage to improve structural stability.

[0042] ⑤ The installation equipment of the present invention assists in pre-installing the foldable and self-supporting airbag deep-sea aquaculture cage on land, compresses the volume of the foldable and self-supporting airbag deep-sea aquaculture cage, and has a simple structure. When not in use or after on-site installation, it can be stored and sorted for easy recycling.

[0043] ⑥ During transportation, the flexible airbag pipe frame of the present invention moves backwards toward the annular steel pipe structures on both sides to stretch and tighten, which can greatly save space and cost. During installation, the frame is expanded by inflating on site to quickly complete the assembly without the need for large-scale transportation, installation equipment or complicated operations. It can significantly improve the installation efficiency while reducing transportation and construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0045] Figure 1 It is a schematic structural diagram of a foldable and self-supporting airbag deep-sea aquaculture cage provided in Example 1 of the present invention.

[0046] Figure 2 The first steel tube ring or the second steel tube ring structure of a foldable and self-supporting airbag deep-sea aquaculture cage provided by the present invention is a schematic diagram Figure 1 .

[0047] Figure 3 The first steel tube ring or the second steel tube ring structure of a foldable and self-supporting airbag deep-sea aquaculture cage provided by the present invention is a schematic diagram Figure 2 .

[0048] Figure 4 It is a schematic diagram of the second airbag structure of a foldable and self-supporting airbag deep-sea aquaculture cage provided in Example 1 of the present invention.

[0049] Figure 5 It is a schematic diagram of the connecting structure of a foldable and self-supporting airbag deep-sea aquaculture cage provided in Example 1 of the present invention.

[0050] Figure 6 It is a top view schematic diagram of the connecting parts of a foldable and self-supporting airbag deep-sea aquaculture cage provided in Example 1 of the present invention.

[0051] Figure 7 This is a schematic diagram of the first airbag structure of a foldable and self-supporting airbag deep-sea aquaculture cage provided in Example 1 of the present invention.

[0052] Figure 8 The present invention provides an auxiliary installation device and an installation method according to embodiments 2 and 3. Figure 1 .

[0053] Fig. 9 The first airbag structure schematic diagram of an auxiliary installation device and an installation method provided by embodiments 2 and 3 of the present invention Figure 2 .

[0054] Fig.10 The first airbag structure schematic diagram of an auxiliary installation device and an installation method provided by embodiments 2 and 3 of the present invention Figure 3 . DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0056] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0057] Example 1

[0058] Reference Figure 1-Figure 7 As shown, this embodiment provides a specific implementation method for a foldable and self-supporting airbag deep-sea aquaculture cage, including a first steel pipe ring 10 and a second steel pipe ring 20, the first steel pipe ring 10 and the second steel pipe ring 20 are parallel to each other; a first airbag 30 and a second airbag 40, a plurality of which, the first airbag 30 is connected to the first steel pipe ring 10 and the second steel pipe ring 20 at both ends respectively, and a plurality of the first airbags 30 and the second airbags 40 are perpendicular to each other to form a hollow sphere with open ends; a connector 50, the connector 50 is installed at the connection between the first airbag 30 and the second airbag 40, to fix the first airbag 30 and the second airbag 40.

[0059] In one specific embodiment, the first steel pipe ring 10 and the second steel pipe ring 20 are made of high-strength aluminum alloy or stainless steel and are subjected to surface anti-corrosion treatment to ensure durability and long-term performance.

[0060] In one specific embodiment, the first steel pipe ring 10 and the second steel pipe ring 20 are annular sealing steel pipes.

[0061] The present invention forms the overall framework of the cage through the first steel pipe ring 10 and the second steel pipe ring 20 to maintain the overall shape of the aquaculture cage, uses the first air bag 30 as the warp support, and uses the second air bag 40 as the weft. The intersection of the warp and weft is fixed by a connector 50 to construct a flexible air bag part for supporting the first steel pipe ring 10 and the second steel pipe ring 20. That is to say, the structure is self-sustaining through air pressure stiffness to provide a stable aquaculture space, and the flexible air bag part can be folded in the uninflated state, and has a stronger buffering capacity in the inflated state, a simplified transportation and installation method, a low cost, high stability, durability and high efficiency, and helps the large-scale application of deep-sea aquaculture. It should be noted that the frame described in the context refers to the flexible air bag part.

[0062] Among them, the structures of the first airbag 30 and the second airbag 40 both include a third airbag 23 and a fourth airbag 24, wherein the third airbag 23 is located in the fourth airbag 24; the first air nozzle 21 is disposed outside the third airbag 23, and the first air nozzle 21 penetrates the fourth airbag 24 and is exposed to the outside; the second air nozzle 22 is disposed on the fourth airbag 24 and is exposed to the outside of the fourth airbag 24.

[0063] In one specific embodiment, the first airbag 30 and the second airbag 40 are made of high-strength, corrosion-resistant rubber material to make flexible cylindrical arc airbags. The flexible airbags are made through molding and hot vulcanization technology and have high strength and impact resistance.

[0064] In other embodiments, the outer surface of the first airbag 30 of the present invention may be wrapped with a thin steel cable to enhance the structural strength and adaptability of the first airbag 30 .

[0065] In this embodiment, the first airbag 30 and the second airbag 40 adopt a double-layer nested structure, and the inner and outer double-layer third airbag 23 and the fourth airbag 24 can be inflated independently. Even if there is local leakage or damage, the integrity and function of the overall structure will not be destroyed; the first airbag 30 and the second airbag 41, which are orthogonal in the middle of the breeding cage, are independently designed and not connected to each other, which not only improves the overall safety, but also can evenly disperse external forces and enhance the ability to resist wind and waves.

[0066] The inflation pressure of the first airbag 30 and the second airbag 40 can also be designed according to different usage scenarios to ensure that the frame is in a taut state after inflation and can be quickly adjusted to meet actual needs.

[0067] In this embodiment, a plurality of anchor chain rings 101 are evenly arranged along the circumferential direction on the outer surfaces of the first steel pipe ring 10 and the second steel pipe ring 20, and a link buckle 301 is provided on the end of the first airbag 30 corresponding to the anchor chain ring 101; the link buckle 301 is connected to the anchor chain ring 101 to fix the first airbag 30 to the first steel pipe ring 10 or the second steel pipe ring 20.

[0068] The first airbag 30 is fixedly connected to the first steel pipe ring 10 or the second steel pipe ring 20, but the link buckle 301 and the anchor chain ring 101 cooperate to allow the connection to have rotation space to cope with complex marine environments.

[0069] In this embodiment, the connecting member 50 includes a main body 501, a first groove 502 and a second groove 503. The first groove 502 and the second groove 503 are respectively opened at the ends of the main body 501 at both ends, and are used to fix the first airbag 30 and the second airbag 40.

[0070] There are several lock buckles 504 , which are respectively arranged on the end surface of the main body 501 at the first and tail ends of the first groove 502 and the second groove 503 to fix the first airbag 30 or the second airbag 40 .

[0071] Furthermore, the first groove 502 and the second groove 503 are composed of a first corridor 521 and a second channel 522; the first corridor 521 is opened at the end of the main body 501, and the second channel 522 is obliquely arranged beside the first corridor 521 and is connected to the first corridor 521, and the second channel 522 extends to the outer surface of the main body 501, so that the first airbag 30 or the second airbag 40 enters the first corridor 521 from the second channel 522.

[0072] Furthermore, the lock buckle 504 is disposed on the outer surface of the main body 501 at the connection between the first passage 521 and the second passage 522 .

[0073] In this embodiment, the first airbag 30 or the second airbag 40 of the present invention enters the first passage 521 from the second channel 522 on the outer surface of the main body 501 in an uninflated state, and is then locked with a lock 504 to prevent the first airbag 30 or the second airbag 40 from detaching from the connecting piece 50, and then inflated, thereby achieving a safe and reliable connection.

[0074] In one specific embodiment, the entrance width d of the second channel 522 is greater than the total thickness of the airbag when it is not inflated, the diameter D of the first channel 521 is smaller than the diameter of the airbag under the minimum set air pressure state, and the inner wall of the diameter D of the first channel 521 is designed as a corrugated structure to ensure that the airbag can be tightly fixed after being inflated.

[0075] In this embodiment, a plurality of positioning holes 12 are provided on the first steel pipe ring 10 or the second steel pipe ring 20, and the positioning holes 12 are arranged in a circular array with respect to the center of the first steel pipe ring 10 or the second steel pipe ring 20;

[0076] Further, the number of the positioning holes 12 is 3, and the spacing between adjacent positioning holes 12 is 120°;

[0077] The present invention utilizes the positioning hole 12 as a connection point for the lifting device and also as a positioning point for assembling the complete structure, thereby improving the convenience of transportation.

[0078] In this embodiment, a connection plate 103 is provided at the center of the first steel pipe ring 10 or the second steel pipe ring 20 , and the connection plate 103 is fixed to the inner surface of the first steel pipe ring 10 or the second steel pipe ring 20 through a plurality of spokes 102 .

[0079] Furthermore, the present invention further comprises a mooring cable 60 and a foundation pile 70 , and the connection plate 103 is fixed with the foundation pile 70 via the mooring cable 60 .

[0080] In one specific embodiment, the mooring cable 60 is a polymer zero-gravity mooring cable.

[0081] In this embodiment, a kite-type single-point mooring design is adopted to enable the cage to rise and fall with the waves and automatically adjust the angle, thereby reducing the impact of wave force; allowing the cage to maintain excellent stability in severe sea conditions.

[0082] In this embodiment, the present invention can provide ballast blocks and ballast water tanks at the bottom of the airbag deep-sea aquaculture cage to improve structural stability.

[0083] In summary, the present invention has foldable and self-sustaining functions, conforms to the complex marine aquaculture environment, has high stability, durability and high efficiency, and can help the large-scale application of deep-sea aquaculture.

[0084] Example 2

[0085] Reference Figure 8-Figure 10 As shown, an auxiliary installation device is characterized in that it assists in installing the foldable and self-supporting airbag deep-sea aquaculture cage, and the structure includes:

[0086] The fixing plate 80 and the threaded connection seat 90 are in a plurality of numbers. The threaded connection seat 90 is arranged on one end surface of the fixing plate 80 in a circular array or a rectangular array.

[0087] The fixing rod 11 passes through the threaded connection seat 90, and the connection between the fixing rod 11 and the threaded connection seat 90 is connected and fixed by a threaded engagement method;

[0088] There are a number of screw rods 12 distributed between the two fixing plates 80 , and the horizontal ends of the screw rods 12 are respectively threadedly connected to the fixing plates 80 .

[0089] In summary, the installation equipment of this embodiment assists in the pre-installation of the foldable and self-supporting airbag deep-sea aquaculture cage on land, compresses the volume of the foldable and self-supporting airbag deep-sea aquaculture cage, and has a simple structure. When not in use or after on-site installation, it can be stored and organized for easy recycling.

[0090] Example 3

[0091] Reference Figure 8-Figure 10 As shown, an installation method is used to assist in the installation of the foldable and self-supporting airbag deep-sea aquaculture cage using the auxiliary installation equipment, and the specific steps include transportation pre-installation and on-site installation, wherein the transportation pre-installation includes:

[0092] Step S1, placing two fixing plates 80 in parallel on the ground, placing the first steel pipe ring 10 and the second steel pipe ring 20 in the threaded connection seats 90 of the two fixing plates 80 respectively, and using a fixing rod 11 to pass through the threaded connection seats 90 to fix the first steel pipe ring 10 and the second steel pipe ring 20;

[0093] Step S2, selecting three first airbags 30 to connect the first steel pipe ring 10 and the second steel pipe ring 20, and the three first airbags 30 are respectively at the 3 o'clock, 9 o'clock, and 12 o'clock positions, and straightening the first airbags 30;

[0094] Step S3, selecting a plurality of second airbags 40, connecting them one by one to the first airbags 30 through the connecting member 50, and the distances between adjacent second airbags 40 are equal;

[0095] Step S4, repeating step S2, connecting the remaining first airbags 30 to the first steel pipe ring 10, the second steel pipe ring 20 and the second airbags 40 respectively, to complete the preliminary fixation;

[0096] Step S5, when the first airbag 30 and the second airbag 40 are completely installed, the two fixing plates 80 move toward each other to compress the volume of the first airbag 30 and the second airbag 40, and a plurality of screw rods 12 are used to fix the two fixing plates 80 as the smallest unit and ship them together for transportation.

[0097] Furthermore, the on-site installation step includes:

[0098] Step S6, after arriving at the installation site, remove the screw rod 12 and the fixing plate 80 in sequence, inflate the first airbag 30 and the second airbag 40, and form a stable frame structure;

[0099] Step S7, installing a mooring cable and a suction cylinder, wherein an anchor chain retracting device is provided on the suction cylinder, and a buoy is provided on the top of the mooring cable to make the mooring cable float;

[0100] Step S8, installing ballast blocks and ballast water tanks at the bottom of the airbag deep-sea aquaculture cage, connecting the airbag deep-sea aquaculture cage with the mooring cable, adjusting the ballast amounts of the ballast blocks and ballast water tanks, and completing the on-site installation.

[0101] In summary, during transportation, the flexible airbag pipe frame of the present invention moves backwards toward the annular steel pipe structures on both sides to stretch and tighten, which can greatly save space and cost. During installation, the frame is expanded by inflating on site to quickly complete the assembly without the need for large-scale transportation, installation equipment or complicated operations. It can significantly improve the installation efficiency and reduce transportation and construction costs.

[0102] In summary, it can be seen from Examples 1 to 3 that the foldable and self-supporting airbag deep-sea aquaculture cage of the present invention adopts a modular design, and the first steel pipe ring 10 and the second steel pipe ring 20, the first airbag 30 and the second airbag 40 are manufactured independently. The installation operation is simplified by preset interfaces and simple connecting devices, and a foldable and compliant deep-water aquaculture cage structure suitable for deep-water aquaculture that is self-supporting using air pressure stiffness is constructed, which simultaneously reduces the construction, transportation, installation and use costs.

[0103] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A foldable and self-supporting airbag deep-sea aquaculture cage, characterized in that: It comprises a first steel pipe ring (10) and a second steel pipe ring (20), wherein the first steel pipe ring (10) and the second steel pipe ring (20) are parallel to each other; There are a plurality of first airbags (30) and second airbags (40), wherein the first airbags (30) are connected to the first steel pipe ring (10) and the second steel pipe ring (20) at both ends, respectively, and the plurality of first airbags (30) and second airbags (40) are perpendicular to each other to form a hollow sphere with both ends open; A connecting member (50) is installed at the connection between the first airbag (30) and the second airbag (40) to fix the first airbag (30) and the second airbag (40).

2. The foldable and self-supporting airbag deep-sea aquaculture cage according to claim 1, characterized in that: The structures of the first airbag (30) and the second airbag (40) both include a third airbag (23) and a fourth airbag (24), and the third airbag (23) is located in the fourth airbag (24); A first air nozzle (21) is arranged outside the third air bag (23), and the first air nozzle (21) penetrates through the fourth air bag (24) and is exposed outside; The second air nozzle (22) is arranged on the fourth air bag (24) and is exposed outside the fourth air bag (24).

3. The foldable and self-supporting airbag deep-sea aquaculture cage according to claim 1, characterized in that: A plurality of anchor chain rings (101) are evenly arranged along the circumferential direction on the outer surfaces of the first steel pipe ring (10) and the second steel pipe ring (20), and a link buckle (301) is provided on the end of the first air bag (30) corresponding to the anchor chain ring (101); The link buckle (301) and the anchor chain ring (101) are connected so that the first air bag (30) is fixed to the first steel pipe ring (10) or the second steel pipe ring (20).

4. The foldable and self-supporting airbag deep-sea aquaculture cage according to claim 1, characterized in that: The connecting member (50) comprises a main body (501), A first groove (502) and a second groove (503), wherein the first groove (502) and the second groove (503) are respectively opened at the ends of the main body (501) at both ends, and are used to fix the first airbag (30) and the second airbag (40); The locking buckles (504) are arranged in a plurality of numbers on the end surfaces of the main body (501) at the first and the second ends of the first groove (502) and the second groove (503) to fix the first airbag (30) or the second airbag (40).

5. The foldable and self-supporting airbag deep-sea aquaculture cage according to claim 4, characterized in that: The connecting member (50) comprises a main body (501), A first groove (502) and a second groove (503), wherein the first groove (502) and the second groove (503) are respectively opened at the ends of the main body (501) at both ends, and are used to fix the first airbag (30) and the second airbag (40); The locking buckles (504) are arranged in a plurality of numbers on the end surfaces of the main body (501) at the first and the second ends of the first groove (502) and the second groove (503) to fix the first airbag (30) or the second airbag (40).

6. The foldable and self-supporting airbag deep-sea aquaculture cage according to claim 1, characterized in that: A connection plate (103) is provided at the center of the first steel pipe ring (10) or the second steel pipe ring (20), and the connection plate (103) is fixed to the inner surface of the first steel pipe ring (10) or the second steel pipe ring (20) through a plurality of spokes (102).

7. The foldable and self-supporting airbag deep-sea aquaculture cage according to claim 1, characterized in that: It also includes a mooring line (60) and a foundation pile (70), and the connection plate (103) is fixed with the foundation pile (70) via the mooring line (60).

8. An auxiliary installation device, characterized in that: Auxiliary installation of the foldable and self-supporting airbag deep-sea aquaculture cage according to any one of claims 1 to 7, the structure comprising: A plurality of fixing plates (80) and threaded connection seats (90) are provided, wherein the threaded connection seats (90) are arranged in a circular array or a rectangular array on one end surface of the fixing plate (80). A fixing rod (11) passes through the threaded connection seat (90), and the connection between the fixing rod (11) and the threaded connection seat (90) is connected and fixed by means of threaded engagement; A plurality of screw rods (12) are distributed between the two fixing plates (80), and the horizontal ends of the screw rods (12) are respectively threadedly connected to the fixing plates (80).

9. An installation method, characterized in that: The auxiliary installation device according to claim 8 is used to assist in the installation of the foldable and self-supporting airbag deep-sea aquaculture cage according to any one of claims 1 to 7, and the specific steps include transportation pre-installation and on-site installation, wherein the transportation pre-installation includes: Step S1, placing two fixing plates (80) in parallel on the ground, placing the first steel pipe ring (10) and the second steel pipe ring (20) in the threaded connection seats (90) of the two fixing plates (80) respectively, and using a fixing rod (11) to pass through the threaded connection seats (90) to fix the first steel pipe ring (10) and the second steel pipe ring (20); Step S2, selecting three first air bags (30) to connect the first steel pipe ring (10) and the second steel pipe ring (20), and the three first air bags (30) are respectively at the 3 o'clock, 9 o'clock and 12 o'clock positions, and straightening the first air bags (30); Step S3, selecting a plurality of second airbags (40), connecting them one by one to the first airbags (30) through the connecting pieces (50), and the distances between adjacent second airbags (40) are equal; Step S4, repeating step S2, connecting the remaining first airbags (30) to the first steel pipe ring (10), the second steel pipe ring (20) and the second airbags (40) respectively, to complete the preliminary fixation; Step S5, when the first airbag (30) and the second airbag (40) are completely installed, the two fixing plates (80) move toward each other to compress the volumes of the first airbag (30) and the second airbag (40), and a plurality of screw rods (12) are used to fix the two fixing plates (80) as the smallest unit and ship them together for transportation.

10. An installation method according to claim 9, characterized in that: The steps of on-site installation include: Step S6, after arriving at the installation site, remove the screw rod (12) and the fixing plate (80) in sequence, inflate the first airbag (30) and the second airbag (40), and form a stable frame structure; Step S7, installing a mooring cable and a suction cylinder, wherein an anchor chain retracting device is provided on the suction cylinder, and a buoy is provided on the top of the mooring cable to make the mooring cable float; Step S8, installing ballast blocks and ballast water tanks at the bottom of the airbag deep-sea aquaculture cage, connecting the airbag deep-sea aquaculture cage with the mooring cable, adjusting the ballast amounts of the ballast blocks and ballast water tanks, and completing the on-site installation.

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