Foldable wide-applicability freshwater pearl shell culture protective net cage

Abstract

The foldable breeding protective net cage is wide in application range, can adapt to various breeding environments, is easy to operate and store, is suitable for different pearl shell breeding scenes, and facilitates sustainable development of the breeding industry. Specifically, the breeding protective net comprises a center rod, vertical supporting rods, longitudinal supporting rods, transverse supporting rods, fixed connecting pieces, breeding floating balls, bottom sowing protective plates and protective net bodies with different net diameters. The utility model is characterized in that: the device can be conveniently switched between a hanging breeding mode and a bottom sowing breeding mode, and external protective net bodies with different net diameters can be replaced so as to adapt to different breeding requirements. By means of the design, a stable breeding platform is provided, practicability and convenience are improved through multifunctionality of the breeding platform, pearl shells are effectively protected, and meanwhile various operations in the breeding process are simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of breeding, specifically is a kind of foldable wide applicability freshwater pearl mussel breeding protective net cage. BACKGROUND

[0002] At present, freshwater shellfish cannot be mixed with carnivorous aquatic economic species in the process of breeding. Carnivorous aquatic fish, such as black fish and mandarin fish, have the characteristics of large food intake and high breeding density, which makes the ammonia nitrogen content in the breeding water body high. And carnivorous aquatic shrimps, such as small crayfish, have very strict requirements on water quality. High ammonia nitrogen content will lead to water eutrophication and large-scale reproduction of algae. Freshwater shellfish can take a large amount of algae in water and filter out sediment in water, playing an important role in cleaning water.

[0003] In freshwater breeding occasions, a large amount of breeding net cages are often used. The utility model discloses a novel freshwater breeding net cage, which is disclosed in the authorized announcement No. CN211353559U. The top of the frame is provided with a hole slot, the center of the hole slot is movably connected with a handle, the bottom of the handle is fixedly connected with a first connecting rod, the first connecting rod passes through a first hole and a second hole in sequence, the first connecting rod movably connects the center of a second connecting rod through the first hole, the first connecting rod movably connects a third connecting rod through the second hole, the bottom of the first connecting rod is provided with a silk hole, a silk is connected in the silk hole, the bottom of the second connecting rod is fixedly connected with a fourth connecting rod, the bottom of the third connecting rod is fixedly connected with a louver, and the bottom of the louver is fixedly connected with a fifth connecting rod. The novel freshwater breeding net cage adopts a louvered window type openable design on the four sides of the box body, which is convenient for fish farmers to transfer fish between the box bodies, greatly saves unnecessary labor, and improves work efficiency.

[0004] However, the breeding net cage disclosed in the prior art is not convenient to store and operate, which limits its application range. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of foldable wide applicability freshwater pearl mussel breeding protective net cage, easy to disassemble and fold storage, and widely applicable.

[0006] The utility model aims to achieve as follows: a kind of foldable wide applicability freshwater pearl mussel breeding protective net cage, including protective net body and at least one built-in protective net body for accommodating breeding object breeding net body;The protective net body is detachable and foldable, and is provided as a net cage structure;The breeding net body is detachable and foldable, and is provided as a net bag or a net cage structure.

[0007] The protective net body is composed of a mesh and a plurality of rod bodies for forming its fixed frame, and the rod bodies form a space for accommodating the breeding net body after being combined in use.

[0008] The utility model discloses the beneficial effect lies in:

[0009] 1, its outstanding advantage embodies easy to dismantle folding and is widely applicable, can through the replacement different net diameter's external protection net body, can well adapt to various freshwater culture environment, easy operation,

[0010] 2, the breeding object is cultivated in the breeding net body, under the protection of external protection net body, can ensure that the breeding object in the breeding net body is not eaten by the carnivorous fish, and the protection net body is the key part of this system, it not only protects the pearl mussel from the harm of predator, but also prevents impurities from entering the breeding area. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the perspective drawing of the hanging cultivation mode of the utility model.

[0012] Figure 2 It is the lateral view based on Figure 1 .

[0013] Figure 3 It is the setting schematic view of the breeding net body of the hanging cultivation mode.

[0014] Figure 4 It is the structural schematic view of the protection net body.

[0015] Figure 5 It is the side view of the protection net body.

[0016] Figure 6 It is the folding scheme schematic view of the protection net body.

[0017] Figure 7 It is the perspective drawing of the bottom sowing cultivation mode of the utility model.

[0018] Figure 8 It is the side view of the bottom sowing cultivation mode.

[0019] Figure 9 It is the structural schematic view of the breeding net body of the bottom sowing cultivation mode.

[0020] Mark 1 - breeding float ball 2 - breeding fixed rope 3 - breeding net body 3a - vertical pole body 3b - vertical pole body 3c - horizontal pole body 3d - pole connecting piece 4 - protection net body 4a - center pole 4b - horizontal support pole 4c - vertical support pole 4d - longitudinal support pole 4e - net cage fixed connecting piece 5 - bottom sowing protection plate 6 - breeding object 7 - side net piece 8 - end net piece 9 - middle net piece. DETAILED DESCRIPTION

[0021] The utility model will be combined with the drawings of the embodiment in the following: Figures 1-9The technical solutions of the embodiments of the present application are clearly and completely described, 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 other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

[0022] As shown in Figure 1 , 8 , a foldable and widely applicable freshwater pearl mussel culture protective net cage is provided, which comprises a protective net body 4 and at least one culture net body 3 arranged in the protective net body 4 and used for accommodating culture objects 6; the protective net body 4 is detachably and foldably arranged and arranged in a net cage structure; the protective net body 4 is a key part of the system, which not only protects the pearl mussel from predators, but also prevents impurities from entering the culture area; the culture net body 3 is detachably and foldably arranged and arranged in a net bag or net cage structure.

[0023] The protective net body 4 is composed of a mesh and a plurality of rod bodies used for forming a fixed frame thereof, and the rod bodies form a space for accommodating the culture net body 3 after being combined in use.

[0024] As shown in Figures 4-6 , the protective net body 4 can be arranged as a three-prism net structure and horizontally extended as a whole, and the structure is stable; the rod bodies of the protective net body 4 are divided as follows:

[0025] a central rod 4a located at the upper part;

[0026] two horizontal support rods 4b located at the lower part, and the central rod 4a and the two horizontal support rods 4b form three long sides of the protective net body 4;

[0027] a plurality of longitudinal support rods 4d distributed along the length direction of the protective net body 4 and forming the bottom of the fixed frame of the protective net body 4;

[0028] two groups of vertically arranged vertical support rods 4c, each group of vertical support rods 4c has a plurality of vertical support rods 4c and is distributed along the length direction of the protective net body 4;

[0029] Among them, each two vertical support rods 4c correspond to a longitudinal support rod 4d, form a triangular unit, the central rod 4a is connected to the top points of all triangular units, the two horizontal support rods 4b are respectively connected to the lower two point positions of all triangular units, and a plurality of net cage fixing members 4e are used for detachable fixed connection, so as to build the fixed frame of the protective net body 4.

[0030] As shown in Figure 6 , the preferred folding scheme of the protective net body 4 is as follows:

[0031] The corresponding net cage fixing member 4e is disassembled, the protective net body 4 is flattened to form a middle mesh 9, two side meshes 7 and two end meshes 8 (triangular), in the folding process, the two side meshes 7 are folded to a strip structure in sequence, then folded along the length direction of the strip structure, and finally a rectangular sheet-shaped structure is formed, so that transportation and storage are facilitated, and installation and disassembly are more convenient, and the convenience of operation is ensured.

[0032] The scheme can conveniently switch between hanging and bottom-planting cultivation modes, and replace external protective nets with different mesh diameters to adapt to different cultivation needs.

[0033] As a preferred embodiment, as shown in Figures 1-6 The hanging cultivation mode is shown, in which the net cage is also provided with a cultivation fixing rope 2 and a plurality of cultivation floating balls 1, the cultivation floating balls 1 are connected to the cultivation fixing rope 2, and the protective net body 4 and / or the cultivation net body 3 are connected to the cultivation fixing rope 2, so that the cultivation net body 3 and the protective net body 4 thereof are in the water surface area under the action of the buoyancy of the cultivation floating balls 1 during cultivation.

[0034] The cultivation net body 3 is provided as a net bag, and the upper end thereof is provided as a closable mesh opening.

[0035] The cultivation protective net is applicable to water depth of more than 90 cm and floats on the water surface through the cultivation floating balls 1. The cultivation floating balls 1 are connected through the cultivation fixing rope 2 to ensure that the entire cultivation structure can stably float on the water surface. The arrangement mode of the cultivation floating balls 1 not only provides necessary buoyancy but also ensures the stability of the cultivation area. The cultivation protective net can be applied to pearl oyster and carnivorous fish mixed cultivation mode. When carnivorous fish such as ma-kou fish, large catfish, snakehead, yellow catfish, large catfish, mandarin fish and mandarin fish are fed, different mesh diameter protective nets can be replaced to adapt to the needs of different sizes of fish, such as in a pond for feeding fish such as one-year-old snakehead, a large mesh diameter protective net body 4 can be used to promote the smooth flow of the water body. The unique advantage of multi-environment application enables the cultivation system to be widely applied in different freshwater cultivation scenes, greatly expanding its application range.

[0036] The protective net body 4 connects the cultivation net body 3 (net bag) through the connecting rope, and the cultivation net body 3 is suspended in the center of the protective net body 4. The pearl oysters are cultivated in the cultivation net body 3, and under the protection of the external protective net body 4, it can be ensured that the pearl oysters cultivated in the cultivation net body 3 are not eaten by carnivorous fish.

[0037] A plurality of cultivation net bodies 3 (net bags) can be provided, and the number is not limited herein; each cultivation net body 3 (net bag) is provided with pearl oysters, and the bivalve shell is placed in the net bag with the mouth upward during cultivation. These cultivation net bodies 3 (net bags) are fixed on the cultivation fixing rope 2 through the cultivation net clamp, so that each cultivation net body 3 (net bag) can be kept in the best cultivation position, and the inspection and maintenance are facilitated.

[0038] As another preferred embodiment, as shown in Figures 7-9 The bottom-sowing culture mode is shown in the drawing, the culture net body 3 is provided as a net cage structure, and is located at the bottom of the pond together with the protective net body 4 during the culture process, and is suitable for shallow water areas with a water depth of less than 90 cm.

[0039] In the bottom-sowing culture mode, the protective net body 4 covers above and below the culture area to form a protective cover to prevent predators and impurities from entering. The culture protective net can be applied to the pearl oyster and shrimp mixed culture mode, can improve the utilization efficiency of land and water resources, increase the agricultural output value, and at the same time protect and improve the ecological environment. In the pond with shallow water depth such as crayfish culture, the culture net cage can be sunk to the bottom of the pond to provide a suitable growth environment for crayfish and Macrobrachium rosenbergii.

[0040] The culture net body 3 is composed of a mesh and a plurality of rod bodies which are detachable and used to form a fixed frame thereof, and the rod bodies are combined to form a space for accommodating the culture object 6 in the use state.

[0041] The culture net body 3 is provided as a rectangular net cage structure, and the rod bodies thereof are divided into:

[0042] four horizontal rod bodies 3c which extend horizontally and are the longest sides;

[0043] four vertical rod bodies 3b which extend horizontally and are perpendicular to the horizontal rod bodies 3c;

[0044] four vertical rod bodies 3a which are arranged vertically;

[0045] Each vertical rod body 3a, vertical rod body 3b and horizontal rod body 3c is fixed (detachably connected) by a rod body connector 3d at the vertical intersection.

[0046] The bottom-sowing culture net body 3 is fixedly connected with a bottom-sowing protective plate 5 for ensuring the stability of the net cage and the safety of the pearl oysters, and the bottom-sowing protective plate 5 is preferably a wooden plate structure. The culture net body 3 is placed on the bottom-sowing protective plate 5 and fixed by the vertical rod body 3b to ensure the stability of the net cage and the safety of the pearl oysters.

[0047] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "back" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model; In the utility model, it is necessary to explain that the terms "mounting", "connection" should be understood broadly, for example, it can be fixedly connected, and can be detachably connected, or integrally connected, or mechanically connected, or indirectly connected through intermediate connecting parts, the specific meaning of the terms in the utility model can be understood according to the specific circumstances.

[0048] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model, and any figure reference in the claims should not be regarded as limiting the claims involved.

[0049] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A foldable and widely applicable protective net cage for freshwater pearl mussel culture, characterized in that, The application relates to a breeding net body (3) and a protective net body (4) for breeding objects (6), wherein the protective net body (4) is detachable and foldable and is provided in the form of a net cage; the breeding net body (3) is detachable and foldable and is provided in the form of a net bag or a net cage.

2. The foldable, widely applicable, freshwater pearl mussel farming protective net cage according to claim 1, characterized in that, The protective net body (4) is composed of a mesh and a plurality of rod bodies used for forming a fixed frame, and the rod bodies are combined to form a space for accommodating the breeding net body (3) in a use state.

3. The foldable, widely applicable, freshwater pearl mussel farming protective net cage according to claim 1, characterized in that, The application further comprises a breeding fixed rope (2) and a plurality of breeding floating balls (1), wherein the breeding floating balls (1) are connected to the breeding fixed rope (2), and the protective net body (4) and / or the breeding net body (3) are connected to the breeding fixed rope (2), so that the breeding net body (3) and the protective net body (4) are located in a water surface area under the action of the floating force of the breeding floating balls (1) during the breeding process.

4. The foldable, widely applicable, freshwater pearl mussel farming protective net cage according to claim 3, characterized in that, The breeding net body (3) is provided in the form of a net bag, and an upper end of the breeding net body (3) is provided with an openable and closable mesh opening.

5. The foldable, widely applicable, freshwater pearl mussel farming protective net cage according to claim 1, characterized in that, The breeding net body (3) is provided in the form of a net cage and is located at the bottom of a pond together with the protective net body (4) during the breeding process.

6. The foldable, widely applicable, freshwater pearl mussel farming protective net cage according to claim 5, characterized in that, The breeding net body (3) is composed of a mesh and a plurality of rod bodies which are detachable and used for forming a fixed frame, and the rod bodies are combined to form a space for accommodating the breeding objects (6) in a use state.

7. The foldable, widely applicable, freshwater pearl mussel farming protective net cage according to claim 6, characterized in that, The breeding net body (3) is provided in the form of a rectangular net cage.

8. The foldable, widely applicable, freshwater pearl mussel farming protective net cage according to claim 5, characterized in that, The breeding net body (3) is fixedly connected with a bottom protection plate (5) used for guaranteeing the stability of the net cage and the safety of the pearl mussels.

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