CN219478915U

CN219478915U - Sea cucumber cultivation net cage

Info

Publication number: CN219478915U
Application number: CN202222631638.8U
Authority: CN
Inventors: 卢冠辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-08-08
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a sea cucumber culturing net cage, which solves the problems of difficult cleaning and inconvenient sea cucumber catching of a sea cucumber culturing room of the existing sea cucumber culturing net cage. The sea cucumber cultivation device comprises a net cage support frame and a plurality of sea cucumber cultivation bases, wherein a net cover and a net bottom of a box body of the sea cucumber cultivation base are respectively connected to the outer side and the bottom of the net cage support frame, and a net cover is connected to the inner side of a net cover support frame; a culture medium underframe is arranged in the culture net cavity inside the box body netting and close to the net bottom, a lower connecting piece is arranged on the inner side of the culture medium underframe, and two ends of a fixing rope connected with the sea cucumber culture medium in series are respectively detachably connected with the net cover and the lower connecting piece; the net cover support frame and the culture substrate frame are respectively detachably connected with the net box support frame. According to the utility model, the net cover support frame and the net box support frame are detachable, and the sea cucumber culture medium and the culture medium underframe on the fixing rope are separated from the inside of the net cover of the box body together with the net cover support frame and the net cover, so that the sea cucumber culture medium can be conveniently cleaned or replaced; sea cucumber on the sea cucumber culture medium falls on the net bottom, and the sea cucumber can be conveniently caught.

Description

Sea cucumber cultivation net cage

Technical Field

The utility model relates to sea cucumber cultivation, in particular to a sea cucumber cultivation net cage suitable for submarine cultivation.

Background

It is well known that sea cucumbers are deeply favored by people because of their rich nutrition and medical value. Along with the increase of the sea cucumber demand, the industry of artificially breeding sea cucumbers is rapidly raised. At present, common sea cucumber culturing modes mainly comprise raft frame cage culturing and floating net cage culturing, and the two sea cucumber culturing modes are as follows: firstly, the cage or the floating net cage needs to be manually cleaned and separated at fixed time, so that the labor intensity of workers is high; and secondly, the wind wave resistance is low. The submarine flow rate is stable, natural baits such as organic scraps and algae are rich, and the quality of the sea cucumber cultivated in the submarine is more similar to that of the sea cucumber cultivated in the natural state, so that in recent years, a large number of technicians develop sea cucumber cultivation net cages suitable for the submarine. For example, a lifting sea cucumber culturing device disclosed in Chinese patent specification of patent publication CN204272932U, 22 days of 4 months of 2015, comprises a netting support frame consisting of an upper layer support frame, a lower layer support frame and a connecting frame, wherein two ends of the connecting frame are respectively connected with the upper layer support frame and the lower layer support frame through three-way pipes, and hollow tubular units which are also used as pontoons are arranged in the upper layer support frame and the lower layer support frame; the netting is fixed between the upper layer support frame and the lower layer support frame; the balance control system is used for controlling the up-and-down lifting of the netting support frame; supporting feet which are also used as weights are arranged below the lower layer supporting frame. Above-mentioned disclosed sea cucumber culture device, its sea cucumber culture room setting is inside the netting, and upper support frame is connected to the upper end of sea cucumber culture room, and the bottom surface of netting is connected to its lower extreme, and when wasing to the sea cucumber culture device of this kind of structure, only can wash the netting of fixing between upper and lower support frame, and the sea cucumber culture room is difficult to dismantle in the culture process because of setting up inside the netting, causes the sea cucumber culture room to wash difficultly, influences the exchange of sea cucumber aquaculture water. In addition, the sea cucumber culture room is arranged in the netting, and the problem of inconvenient sea cucumber fishing exists.

Disclosure of Invention

The utility model aims to solve the defects of difficult cleaning of a sea cucumber culture room and inconvenient sea cucumber catching of the existing sea cucumber culture device and provide a sea cucumber culture net cage with convenient cleaning of sea cucumber culture components and simple and convenient sea cucumber catching.

The technical scheme adopted for solving the technical problems is as follows: a sea cucumber culture net cage comprises a net cage support frame, a net and a plurality of sea cucumber culture bases, wherein,

the net cage support frame comprises an upper support frame, a lower support frame and a plurality of support pipes, wherein the support pipes are vertically connected between the upper support frame and the lower support frame through connecting pieces respectively, and the bottom ends of the support pipes extend to the lower part of the lower support frame to form support legs;

the netting comprises a box netting, a net cover and a net bottom, wherein the box netting is arranged on the outer sides of the upper support frame and the lower support frame; the net bottom is arranged at the bottom of the lower support frame and is in sewing connection with the lower end of the box body net;

lifting devices are arranged on the upper support frame and the lower support frame;

it is characterized in that the method comprises the steps of,

the cultivation device also comprises a net cover support frame, a cultivation base underframe and a plurality of fixing ropes, wherein the net cover is connected to the inner side of the net cover support frame; the culture medium underframe is arranged in the inner culture net cavity of the box body netting and is close to the net bottom, a plurality of lower connecting pieces are respectively arranged on the inner sides of the culture medium underframe in parallel or in a crossing manner, the sea cucumber culture medium is respectively and uniformly connected on the fixed ropes in series, one ends of the fixed ropes are detachably connected with the net cover, and the other ends of the fixed ropes are detachably connected with the lower connecting pieces;

the net cover support frame is detachably connected with the upper support frame, and the culture medium underframe is detachably connected with the lower support frame; or the net cover support frame and the net cover are buckled on the outer sides of the upper support frame and the box body net, and the culture medium underframe is respectively penetrated and wound to the outer sides of the box body net through a plurality of flexible connecting ropes and is detachably connected with the net cover support frame.

Further, the detachable connection between one end of the fixing rope and the net cover can be realized by the following scheme: the inner side of the net cover is connected with a culture medium top frame in a hanging mode, a plurality of upper connecting pieces are respectively arranged on the inner side of the culture medium top frame in parallel or in a crossing mode, and one end of the fixing rope is detachably connected with the upper connecting pieces.

Further, the upper support frame comprises at least one round, square, polygonal or drop-shaped upper support ring, the lower support frame comprises at least one round, square, polygonal or drop-shaped lower support ring, and the lower support ring corresponds to the upper support ring; the upper support ring and the lower support ring are internally provided with cavities which are also used as pontoons; the supporting pipes are vertically connected between the upper supporting ring and the lower supporting ring through connecting pieces respectively.

Further scheme, go up the holding ring, lower holding ring respectively two, wherein go up the holding ring and pass through the connecting piece and connect in the inboard of another holding ring on, the holding ring passes through the connecting piece and connects in the inboard of another lower holding ring, stay tube assembly go up the connecting piece between the holding ring, between the lower holding ring.

The lifting device comprises a water pipe and an air pipe, wherein the water pipe is respectively arranged at the lower sides of the upper support ring and the lower support ring, and is communicated with the inner cavities of the upper support ring and the lower support ring; the air pipes are respectively arranged on the upper sides of the upper support ring and the lower support ring and are positioned on the opposite sides of the corresponding water pipes, and the air pipes are communicated with the inner cavities of the upper support ring and the lower support ring and are communicated with the air charging equipment through a communication pipe.

In a further scheme, a counterweight filler is arranged in the supporting tube.

Further, an anchoring piece is arranged at the bottom end of the supporting tube or/and the net cage supporting frame.

Further, the anchoring piece on the bottom end of the supporting pipe is an anchor block or an anchor.

Further, the anchor comprises a connecting sleeve, a plurality of anchor legs and flukes, wherein the flukes are respectively connected to the outer sides of the connecting sleeves through the anchor legs, and the connecting sleeves are sleeved on the bottom ends of the supporting tubes.

Further, the anchoring piece on the net cage supporting frame comprises a plurality of anchor ropes and sinkers, one ends of the anchor ropes are respectively connected to the net cage frame according to preset positions, and the other ends of the anchor ropes are connected with the sinkers.

According to a further scheme, positioning disks are fixedly connected to supporting pipes extending to the lower portion of the lower supporting frame respectively, and the positioning disks and the net bottom are spaced at a certain distance.

In a further scheme, the netting adopts one or a combination of more than two of a knotless net, a knotless net and a plastic net.

Further, an isolation net is arranged between the positioning plates.

Further, the isolation net adopts a plastic grid net.

The outer side and the bottom of the net cage support frame are respectively connected with the net cage and the net bottom, the net bottom is connected with the lower end of the net cage in a sewing way, the net cage is lifted to the sea surface without being disassembled from the net cage support frame, and the net cage and the net bottom are cleaned by adopting cleaning equipment in the sea cucumber cultivation process. The net cover is connected in a net cover supporting frame, a culture medium underframe is arranged in the inner culture net cavity of the box netting and close to the net bottom, a lower connecting piece is arranged on the inner side of the culture medium underframe, and two ends of a fixing rope which is connected with a sea cucumber culture medium in series are respectively detachably connected with the net cover and the lower connecting piece; the net cover support frame and the culture medium underframe of the utility model can be respectively and detachably connected with the net box support frame; the net cover support frame and the net cover can be buckled on the outer sides of the net box support frame and the net clothing of the box body, and the culture substrate frame is detachably connected with the net cover support frame by penetrating and winding the plurality of flexible connecting ropes to the outer sides of the net clothing of the box body respectively. In the process of cleaning the net cage, the net cover support frame and the culture medium underframe are detached from the net cage support frame; or the flexible connecting rope is disassembled, the net cover support frame is disassembled from the culture substrate frame, and the net cover support frame and the net cover are lifted, so that the sea cucumber culture medium and the culture medium underframe connected to the fixing rope are separated from the inside of the box body netting along with the net cover, and the net cover and the sea cucumber culture medium can be conveniently cleaned and replaced. After the sea cucumber culture medium is taken out of the box body, the sea cucumber crawled on the sea cucumber culture medium falls on the bottom of the box body, so that the sea cucumber can be conveniently caught.

Drawings

FIG. 1 is a schematic perspective view of a structure of the present utility model;

FIG. 2 is a perspective view of the disassembled structure of FIG. 1;

FIG. 3 is a perspective view of the cage support of the present utility model;

FIG. 4 is a perspective view of a connection structure between the cage support frame and the connecting member in FIG. 3;

FIG. 5 is a schematic perspective view showing a connection structure between a cage support frame and a connector according to another embodiment of the present utility model;

FIG. 6 is a partial cross-sectional view taken along line A-A of FIG. 1;

FIG. 7 is a perspective view of the connection structure of the sea cucumber culture medium and the net cover in FIG. 2;

FIG. 8 is a perspective view of another structure for connecting a sea cucumber culture medium with a net cover;

fig. 9 is a partially enlarged schematic view at B in fig. 1.

The marks in the figure: 1. cage support frame, 11, upper support frame, 111, upper support ring, 12, lower support frame, 121, lower support ring, 13, support tube, 14, connector, 15, support leg, 16, cavity, 2, clothing, 21, cage clothing, 22, net cover, 23, net bottom, 24, farming net cavity, 3, sea cucumber farming base, 41, net cover support frame, 42, farming base frame, 43, securing rope, 44, lower connector, 45, farming base top frame, 46, upper connector, 47, flexible connecting rope, 5, lifting device, 51, water pipe, 52, air pipe, 53, communicating pipe, 54, inflator, 6, counterweight filler, 7, anchor, 71, connecting sleeve, 72, anchor leg, 73, anchor claw, 74, anchor rope, 75, sinker, 8, positioning disc, 9.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples.

In fig. 1 and 2, a sea cucumber culture net cage comprises a net cage support frame 1, a net 2 and a plurality of sea cucumber culture bases 3.

The net cage support frame 1 is a framework of a sea cucumber culture net cage and plays a role in supporting the net 2 so as to provide culture space for sea cucumbers. As shown in fig. 2 and 3, the cage support 1 of the present utility model includes an upper support 11, a lower support 12, and a plurality of support pipes 13. The support tube 13 may be made of PE pipe, and is vertically connected between the upper support frame 11 and the lower support frame 12 through a connecting piece 14, and the bottom end of the support tube 13 extends to the lower portion of the lower support frame 12 to form a support leg 15. It can be seen that the supporting tube 13 is a connecting member between the upper supporting frame 11 and the lower supporting frame 12, and also plays a role in supporting the sea cucumber culture net cage in a culture area.

It should be noted that the number of the support tubes 13 is related to the structural strength requirement of the cage support frame 1 and the stability of the sea cucumber culture cage to be supported, and considering the comprehensive factors, as shown in fig. 3, the number of the support tubes 13 in the embodiment is preferably six.

In fig. 3, the upper support frame 11 includes at least one upper support ring 111, the lower support frame 12 includes at least one lower support ring 121, and the lower support ring 121 corresponds to the upper support ring 111. The lower support ring 121 and the upper support ring 111 can be made of PE pipe materials. As shown in fig. 4, the upper support ring 111 and the lower support ring 121 are provided with cavities 16 that double as pontoons. In fig. 3 and 4, the support pipes 13 are vertically connected between the upper support ring 111 and the lower support ring 121 by the connection members 14, respectively. The connecting piece 14 may be a commercially available three-way pipe connector or a four-way pipe connector.

The number of the upper support rings 111 and the lower support rings 121 determines the structural strength of the cage support frame 1, and the more the number is, the more rigid the cage support frame 1 is, the less the deformation is.

In addition, the shape of the upper support ring 111 and the lower support ring 121 determines the structural shape of the sea cucumber culture cage, and the structural shape of the sea cucumber culture cage is related to the culture sea conditions. For example, in the cultivation area with smaller seawater flow rate, the upper support ring 111 and the lower support ring 121 may be square, so as to obtain the largest cultivation area; in the cultivation area with moderate seawater flow rate, the upper support ring 111 and the lower support ring 121 can be circular or polygonal; in the cultivation area with a large seawater flow rate, the upper support ring 111 and the lower support ring 121 may be in a drop shape.

In fig. 3 and fig. 4, a technical scheme of a connection structure between a cage support frame and a connecting member according to the present utility model is provided, which is also a preferred scheme of the present embodiment. As shown in fig. 3 and 4, the upper support frame 11 of the cage support frame 1 adopts two upper support rings 111, the lower support frame 12 also adopts two lower support rings 121, the upper support rings 111 and the lower support rings 121 are respectively circular and are arranged in parallel, one upper support ring 111 is connected to the inner side of the other upper support ring 111 through a connecting piece 14, the lower support ring 121 is connected to the inner side of the other lower support ring 121 through a connecting piece 14, and the support tubes 13 are assembled on the connecting pieces 14 between the upper support rings 111 and between the lower support rings 121.

Further, as shown in fig. 4, the connection piece 14 at each connection position between the support tube 13 and the upper support ring 111 and the lower support ring 121 is formed by combining two three-way pipe connectors and a cross-axis four-way pipe connector. The three-way pipe connectors are symmetrically arranged on two sides of the four-way pipe connector respectively, the bypass ends of the two three-way pipe connectors are in fusion butt joint with the straight-through ends of the horizontal axis of the four-way pipe connector, the straight-through ends of the two three-way pipe connectors are respectively and correspondingly connected with an upper supporting ring 111 or a lower supporting ring 121, and the supporting pipe 13 is assembled in the straight-through of the vertical axis of the four-way pipe connector.

In fig. 5, another technical scheme of a connection structure of the cage support frame and the connecting piece is shown. As shown in fig. 5, the upper support frame 11 of the cage support frame 1 is only provided with an upper support ring 111, the lower support frame 12 is only provided with a lower support ring 121, the upper support ring 111 and the lower support ring 121 are respectively circular and are arranged in parallel, and the support pipes 13 are respectively vertically connected between the upper support ring 111 and the lower support ring 121 through connecting pieces 14.

Further, as shown in fig. 5, the connection piece 14 at each connection position between the support tube 13 and the upper support ring 111, and the lower support ring 121 is formed by combining two three-way pipe connectors. The bypass ends of the two tee pipe connectors are fused and butted, the straight-through axes of the two tee pipe connectors are perpendicular, so that the upper support ring 111 and the lower support ring 121 are respectively and horizontally arranged in the straight-through of one tee pipe connector, and the support pipes 13 are respectively and vertically arranged in the straight-through of the other tee pipe connector.

The netting 2 is used for limiting the moving range of the sea cucumber, and is combined with the net cage frame to provide cultivation space for the sea cucumber. In fig. 2 and 6, the netting 2 of the present utility model includes a case netting 21, a net cover 22, and a net bottom 23. Wherein, the box body netting 21 is coated and connected on the outer sides of the upper support frame 11 and the lower support frame 12, the net bottom 23 is arranged at the bottom of the lower support frame 12 and is sewn and connected with the lower end of the box body netting 21, so that the box body netting 21 and the net bottom 23 form an upper-opening aquaculture net cavity 24.

In order to realize the arrangement of the net cover 22 and the sea cucumber culture medium 3 in the utility model, in fig. 2, 6 and 7, the utility model further comprises a net cover supporting frame 41, a culture medium underframe 42 and a plurality of fixing ropes 43. The culture medium underframe 42 can be formed by adopting PE pipe material in a ring mode.

As shown in fig. 2, 6 and 7, the net cover 22 is wound around the net cover support frame 41 by means of connecting ropes, the net cover support frame 41 is connected with the net cover by means of a tie-in knot, the culture medium underframe 42 is arranged in the inner culture net cavity 24 of the box netting 21 and is close to the net bottom 23, a plurality of lower connecting pieces 44 are arranged on the inner side of the culture medium underframe 42, the sea cucumber culture medium 3 is uniformly connected to the fixing ropes 43 in series respectively, one ends of the fixing ropes 43 are detachably connected with the net cover 22, and the other ends of the fixing ropes 43 are detachably connected with the lower connecting pieces 44.

In order to facilitate the disassembly of the net cover 22 and the fixing rope 43 and the integral disassembly and assembly of the sea cucumber culture medium 3, so as to facilitate the cleaning of the net cover 22 and the sea cucumber culture medium 3 respectively, as shown in fig. 8, a culture medium top frame 45 is hung and connected on the inner side of the net cover 22 in a manner of tying a slipknot by adopting a connecting rope, and the culture medium bottom frame 45 can be formed by adopting PE pipe rings. A plurality of upper connecting pieces 46 are arranged on the inner side of the culture medium top frame 45 corresponding to the lower connecting pieces 44 on the culture medium bottom frame 42, and one end of the fixing rope 43 is detachably connected with the upper connecting pieces 46.

It should be noted that, the upper connecting piece 46 and the lower connecting piece 44 of the present utility model may be made of plastic ropes, plastic steel ropes or fiber rods with high strength and good corrosion resistance, and the upper connecting piece 46 and the lower connecting piece 44 are respectively arranged in parallel or in a crossing manner inside the cultivation base top frame 45 and the cultivation base bottom frame 42 according to the arrangement requirement of the fixing ropes 43 connected in series with the sea cucumber cultivation base 3. In this embodiment, as shown in fig. 8, the upper connecting member 46 and the lower connecting member 44 are preferably disposed inside the cultivation base top frame 45 and the cultivation base bottom frame 42 by plastic steel ropes, and the fixing ropes 43 are detachably connected with the lower connecting member 44 and the upper connecting member 46 by means of a slipknot.

In order to facilitate the disassembly and assembly of the net cover 22, the culture medium underframe 42 and the net cage support frame 1, the net cover support frame 41 is detachably connected with the upper support frame 11, and the culture medium underframe 42 is detachably connected with the lower support frame 12. In fig. 6, a detachable connection of the cage support 41, the culture medium base frame 42 and the cage support 1 is shown in this embodiment. As shown in fig. 6, the net cover support frame 41 and the net cover 22 are covered and buckled on the outer sides of the upper support frame 11 and the box body net 21, and the culture medium underframe 42 is respectively penetrated and wound to the outer side of the box body net 21 through a plurality of flexible connecting ropes 47 and connected with the net cover support frame 41 in a slipknot manner.

Of course, the detachable connection of the net cover support 41 and the upper support 11, and the detachable connection of the culture medium underframe 42 and the lower support 12 can be realized in other ways. For example, the detachable connection between the net cover support frame 41 and the upper support frame 11, and between the cultivation base bottom frame 42 and the lower support frame 12 can be achieved by winding 2 loops of the slipknot tying by using the tying rope.

In order to facilitate the adjustment of the position of the present utility model in sea water, in fig. 4, lifting devices 5 are provided on the upper support frame 11 and the lower support frame 12.

As shown in fig. 4, the elevating device 5 includes a water pipe 51 and an air pipe 52. The water pipe 51 is disposed below the upper support ring 111 and the lower support ring 121, and the water pipe 51 is communicated with the internal cavities 16 of the upper support ring 111 and the lower support ring 121. The air pipes 52 are respectively arranged on the upper sides of the upper support ring 111 and the lower support ring 121 and are positioned on the opposite sides of the corresponding water pipes 51, and the air pipes 52 are communicated with the inner cavities 16 of the upper support ring 111 and the lower support ring 121 and are communicated with the inflation equipment 54 through a communication pipe 53.

When the utility model needs to sink, seawater enters the inner cavities 16 of the upper support ring 111 and the lower support ring 121 through the water pipe 51, and air in the inner cavities 16 of the upper support ring 111 and the lower support ring 121 is extruded out through the air pipe 52, so that the buoyancy of the upper support ring 111 and the lower support ring 121 in the seawater is reduced; when the utility model needs to be lifted, the air is filled into the inner cavities 16 of the upper support ring 111 and the lower support ring 121 by the air pipe 52 through the communicating pipe 53 by using the air filling equipment 54, and the filled air can extrude the seawater in the inner cavities 16 of the upper support ring 111 and the lower support ring 121 through the water pipe 51 so as to increase the buoyancy of the upper support ring 111 and the lower support ring 121 in the seawater and improve the lifting efficiency.

In order to assist the rapid sinking of the utility model, as shown in fig. 6, a counterweight filler 6 is provided in the support tube 13. In this embodiment, the counterweight filler 6 may be a material with higher density, such as block metal, concrete, etc., which resists the buoyancy of seawater by increasing the self-mass of the utility model, and plays a role in assisting the rapid sinking of the sea cucumber culture net cage.

The utility model is suitable for sea cucumber cultivation on the sea floor, and in order to reliably keep the utility model on the sea floor, as shown in figure 1, an anchor 7 is arranged on the bottom end of a supporting tube 13 or/and a net cage supporting frame 1.

It is further noted that the anchor 7 at the bottom end of the support tube 13 is an anchor block or anchor.

The anchor block is suitable for the seabed with harder texture, and can be used for preparing a concrete anchor block connected with the bottom end of the support pipe 13 or can be made into an integral structure with the counterweight filler 6 of the support pipe 13.

The anchor is suitable for the sea bottom with soft texture, and the anchor can be of a conventional structure, which is connected with the bottom end of the supporting tube 13 through an anchor chain, or can be of other structures. As shown in fig. 9, in this embodiment, the anchor includes a connection sleeve 71, three anchor legs 72 and three flukes 73, the flukes 73 are connected to the outer sides of the connection sleeves 71 through the anchor legs 72, respectively, and the connection sleeves 71 are sleeved on the bottom ends of the support tubes 13.

The anchoring element 7 is arranged on the cage support frame 1 to further increase the stability of the utility model which is kept on the sea bottom, as shown in fig. 1, the anchoring element 7 on the cage support frame 1 comprises an anchor rope 74 and a sinker 75, one end of the anchor rope 74 is respectively connected with the cage frame according to a preset position, and the other end of the anchor rope 74 is connected with the sinker 75. The sinker 75 is sunk on the sea floor or sunk in sea mud, and the sea cucumber culture net cage is further stabilized by the anchor ropes 74.

When the utility model is used for the seabed with softer texture, the depth of the support tube 13 inserted into the seabed sludge is limited, as shown in fig. 1 and 2, the support tube 13 extending to the lower part of the lower support frame 12 is respectively and fixedly connected with a positioning disc 8 correspondingly, and the positioning disc 8 and the net bottom 23 have a certain distance.

It should be further described that the structure and the material of the netting 2 are also key to achieving successful cultivation of sea cucumbers. Because of the difference of the sea water flow rates in sea cucumber culture areas, different resistances can be generated by the netting 2 with different structures; meanwhile, the sea bottom texture or the sea bottom sediment (such as stones, oysters and the like) are different in retention condition, so that abrasion can be generated on the net 2, particularly the net bottom 23, and sea cucumber escape is easy to cause. Thus, the netting 2 of the present utility model may employ one or a combination of two or more of a commercially available knotless net, a knotless net and a plastic mesh net. For example, in a sea area where the flow rate of sea water is small, the texture of the sea bottom is soft, and the sediment on the sea bottom is less, the case netting 21, the net cover 22, and the net bottom 23 in the net 2 may be all net-meshed in consideration of the net cage production cost; in sea areas with high sea water flow rate, softer seabed texture and less seabed sediment, the box body netting 21, the net cover 22 and the net bottom 23 in the netting 2 can be knotless nets; in the sea area with small sea water flow rate, hard seabed texture and more seabed sediment, the box netting 21 and the net cover 22 in the netting 2 are provided with netting, and the net bottom 23 is a plastic net; in the sea area with high sea water flow rate, hard seabed texture and more seabed sediment, the box netting 21 and the net cover 22 in the netting 2 adopt knotless nets, and the net bottom 23 adopts a plastic net. Because the plastic grid has stronger wear resistance, the abrasion of the bottom 23 of the sea cucumber culture net cage can be effectively avoided.

When netting 2 is formed with or without netting, spacer nets 9 are provided between positioning plates 8 as shown in fig. 6 to prevent wear of the net bottom 23. The isolation net 9 can be a metal net or a plastic net. In this embodiment, a plastic mesh is preferably used.

In the sea cucumber culturing process, sea cucumber seedlings are placed in a culturing net cavity 24 in the net 2, the sea cucumber culturing device is sunk to the sea floor through a lifting device 5 arranged on an upper supporting frame 11 and a lower supporting frame 12, and then the sea cucumber culturing device is anchored on the sea floor through an anchoring piece 7 arranged on the bottom end of a supporting tube 13 or/and a net cage supporting frame 1; when the sea cucumber is cultivated to a certain period, the net cage is required to be cleaned, the sea cucumber cultivation device is lifted to the sea surface through the lifting device 5, and the cage body netting 21 and the net bottom 23 are cleaned by cleaning equipment. Because the net cover support frame 41 and the culture medium underframe 42 are detachably connected with the net cage support frame 1, the net cover 22, the fixing ropes 43, the sea cucumber culture medium 3 and the culture medium underframe 42 can be lifted out of the culture net cavity 24 formed by the cage body net 21 and the net bottom 23, and the net cover 22 and the sea cucumber culture medium 3 can be conveniently cleaned or replaced. After the sea cucumber culture medium 3 is taken out of the culture net cavity 24 formed by the box body net 21 and the net bottom 23, the sea cucumber crawled on the sea cucumber culture medium falls on the net bottom 23, so that the sea cucumber can be conveniently caught.

Claims

1. A sea cucumber culture net cage comprises a net cage support frame, a net and a plurality of sea cucumber culture bases, wherein,

the cultivation device is characterized by further comprising a net cover support frame, a cultivation base underframe and a plurality of fixing ropes, wherein the net cover is connected to the inner side of the net cover support frame; the culture medium underframe is arranged in the inner culture net cavity of the box body netting and is close to the net bottom, a plurality of lower connecting pieces are respectively arranged on the inner sides of the culture medium underframe in parallel or in a crossing manner, the sea cucumber culture medium is respectively and uniformly connected on the fixed ropes in series, one ends of the fixed ropes are detachably connected with the net cover, and the other ends of the fixed ropes are detachably connected with the lower connecting pieces; the net cover support frame is detachably connected with the upper support frame, and the culture medium underframe is detachably connected with the lower support frame; or the net cover support frame and the net cover are buckled on the outer sides of the upper support frame and the box body net, and the culture medium underframe is respectively penetrated and wound to the outer sides of the box body net through a plurality of flexible connecting ropes and is detachably connected with the net cover support frame.

2. The sea cucumber culture net cage according to claim 1, wherein the detachable connection between one end of the fixing rope and the net cover can be realized by the following scheme: the inner side of the net cover is connected with a culture medium top frame in a hanging mode, a plurality of upper connecting pieces are respectively arranged on the inner side of the culture medium top frame in parallel or in a crossing mode, and one end of the fixing rope is detachably connected with the upper connecting pieces.

3. The sea cucumber aquaculture net cage according to claim 1, wherein said upper support frame comprises at least one upper support ring of circular, square, polygonal or drop-shaped form, said lower support frame comprises at least one lower support ring of circular, square, polygonal or drop-shaped form, and said lower support ring corresponds to said upper support ring; the upper support ring and the lower support ring are internally provided with cavities which are also used as pontoons; the supporting pipes are vertically connected between the upper supporting ring and the lower supporting ring through connecting pieces respectively.

4. A sea cucumber culture net cage as claimed in claim 3, wherein the number of the upper support ring and the lower support ring is two, wherein one upper support ring is connected to the inner side of the other upper support ring through a connecting piece, the lower support ring is connected to the inner side of the other lower support ring through a connecting piece, and the support tube is assembled on the connecting piece between the upper support rings and the lower support ring.

5. The sea cucumber culturing net cage according to claim 3 or 4, wherein the lifting device comprises a water pipe and an air pipe, the water pipe is respectively arranged at the lower sides of the upper support ring and the lower support ring, and the water pipe is communicated with the inner cavities of the upper support ring and the lower support ring; the air pipes are respectively arranged on the upper sides of the upper support ring and the lower support ring and are positioned on the opposite sides of the corresponding water pipes, and the air pipes are communicated with the inner cavities of the upper support ring and the lower support ring and are communicated with the air charging equipment through a communication pipe.

6. The sea cucumber culture net cage of claim 1, wherein a counterweight filler is arranged in the support tube.

7. A sea cucumber culture net cage as claimed in claim 1, wherein an anchor is provided on the bottom end of the support tube or/and on the net cage support frame.

8. The sea cucumber aquaculture net cage according to claim 7, wherein said anchor at the bottom end of said support tube is an anchor block or anchor.

9. The sea cucumber aquaculture net cage according to claim 8, wherein said anchor comprises a connecting sleeve, a plurality of anchor legs and flukes, said flukes are connected to the outer side of said connecting sleeve through anchor legs, respectively, said connecting sleeve is sleeved on the bottom end of said supporting tube.

10. The sea cucumber aquaculture net cage according to claim 7, wherein said anchoring member on said net cage supporting frame comprises a plurality of anchor ropes and sinkers, one ends of said anchor ropes are respectively connected to said net cage frame at predetermined positions, and the other ends of said anchor ropes are connected to said sinkers.

11. The sea cucumber culture net cage of claim 1, wherein positioning disks are fixedly connected to the supporting pipes extending to the lower portion of the lower supporting frame, and have a certain distance from the net bottom.

12. The sea cucumber culture net cage of claim 1, wherein the net is one or a combination of more than two of a knotless net, a knotless net and a plastic net.

13. The sea cucumber aquaculture net cage of claim 11, wherein an isolation net is provided between said positioning plates.

14. The sea cucumber aquaculture net cage of claim 13, wherein said isolation net is a plastic net.