Protective fence for crayfish breeding

By designing a protective fence for the automatic fishing system, the problem of damage to crayfish caused by manual fishing was solved, and the effect of non-destructive fishing was achieved.

CN223415481UActive Publication Date: 2025-10-10KUNBAO FAMILY FARM IN WANJUN DISTRICT (INDIVIDUAL IND & COMMERCIAL HOUSEHOLDS)
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Patent Information

Application Number
CN202422845813.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-10
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing crayfish farming fences require manual operation when catching, which can easily cause damage to the crayfish.

Method used

A protective fence structure consisting of a breeding box, a permeable fence and a collection cage was designed. Automatic fishing was achieved through a water circulation system and a traction device, and crayfish were introduced into the collection cage using food bait, avoiding manual fishing.

Benefits of technology

It realizes non-destructive fishing of crayfish, reduces damage to crayfish, and improves fishing efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a protective fence for crayfish breeding, which comprises a breeding box body, a breeding pond body is arranged in the breeding box body, a water inlet pipeline is arranged on the upper surface of the breeding pond body, a drainage pipe is arranged on the surface of one side of the breeding pond body, and a traction device is fixedly connected to the upper surface of the breeding box body. A permeable fence net is arranged in the breeding box body, and a collecting net cage is arranged on the surface of the lower portion of the traction device, so that the problem that when a fence structure is used for fishing crayfishes, artificial fishing is needed, and consequently the crayfishes are prone to being damaged is solved.
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Description

Technical Field

[0001] The utility model mainly relates to the field of aquaculture, and in particular to a protective fence for crayfish farming. Background Art

[0002] Since its introduction to China, lobsters have become a popular favorite. Due to their high productivity, high nutritional value, and delicious taste, crayfish have gained popularity in the market, leading to a rapid increase in consumption and significant development of industrialized crayfish farming.

[0003] In the utility model patent application with application number CN202121446990.3 and publication date 2022.02.18, entitled "A fence structure for crayfish farming", it includes a base with an insertion portion at the bottom, a positioning inclined plate extending upward and tilted backward on the upper surface, a grille mesh plate, the lower end of which is in contact with the positioning inclined plate, and a connecting plate in contact with the upper surface of the base at the bottom. The connecting plate is fixedly connected to the base by fasteners, an upper baffle, which is detachably connected to the upper end of the front side of the grille mesh plate, a support rod, one end of which is hinged to the rear side of the grille mesh plate, and the other end is used to contact the ground. The fence structure is easy to install and has a stable structure.

[0004] However, when the above-mentioned aquaculture fence structure is used to catch crayfish, manual fishing is required, which is likely to cause damage to the crayfish. Utility Model Content

[0005] 1. Technical problems to be solved by the utility model:

[0006] The utility model provides a protective fence for crayfish breeding, which is used to solve the problem that when crayfish are caught using a fence structure, manual catching is required, which easily causes damage to the crayfish.

[0007] 2. Technical solution:

[0008] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is: a protective fence for crayfish farming, comprising a farming box body, a farming pond body is arranged inside the farming box body, a water inlet pipe is arranged on the upper surface of the farming pond body, a drainage pipe is arranged on one side surface of the farming pond body, a traction device is fixedly connected to the upper surface of the farming box body, a permeable fence net is arranged inside the farming box body, and a collection net box is arranged on the lower surface of the traction device.

[0009] Furthermore, the collecting cage forms a lifting structure inside the permeable fence through a traction device, and the breeding pond body forms a water circulation structure through a water inlet pipe and a drainage pipe.

[0010] Furthermore, the traction device includes a short mounting groove arranged at the top of one side of the breeding pond body, a long mounting groove is fixedly connected to the top of the other side of the breeding pond body, a hanging barrel is fixedly connected to the upper end surfaces of the short mounting groove and the long mounting groove, a positioning socket is provided on the surface of the long mounting groove, an inner rotating shaft is rotatably connected to the surface of one side of the hanging barrel, a limiting slot is provided on the surface of one side of the inner rotating shaft, a double-handled insertion rod is slidably connected to the surface of the limiting slot, the other end of the inner rotating shaft is movably connected to a pull rope drum inside the hanging barrel, and a traction hole is provided on the surface of the hanging barrel below the pull rope drum.

[0011] Furthermore, the rope pull drum forms a rotating structure inside the hanging drum through the inner rotating shaft, the inner rotating shaft is slidingly connected to the double-handle insertion rod, and the double-handle insertion rod is engaged with the positioning socket, and the inner rotating shaft forms a limiting structure on the surface of the hanging drum through the handle insertion rod.

[0012] Furthermore, the collection net box includes a hollow collection box body, a lifting ear is fixedly connected to the upper surface of the hollow collection box body, a traction rope is provided on the upper surface of the lifting ear, hollow nets are provided on both sides of the hollow collection box body, a movable plug plate is slidably connected to the upper surface of the hollow collection box body, a fixed plate surface is provided on the lower side of the hollow collection box body below the movable plug plate, and an inward-concave wire mesh is provided on one side of the fixed plate surface.

[0013] Furthermore, the hollow collection box forms a lifting structure below the traction device through the lifting lug and the traction rope, the traction rope is installed on the surface of the rope drum, and the hollow collection box forms a closed structure through the movable plug plate.

[0014] 3.Beneficial effects:

[0015] The utility model has a reasonable design. When the breeding operation is carried out, the crayfish are cultured inside the permeable fence. Water is transported to the inside of the breeding box through the water inlet pipe, and the permeable fence is immersed to carry out the breeding operation. In the breeding process, the tail water inside the breeding pond is circulated and discharged through the water inlet pipe and the drainage pipe.

[0016] When it is necessary to catch crayfish, food bait is placed inside the collection cage. By pulling out the double-handled rod in the traction device from the positioning socket, the collection cage falls into the permeable fence under the action of gravity, and the crayfish are induced to pass through the concave wire mesh into the hollow collection box body, completing the catch. The double-handled rod then drives the inner rotating shaft and the pull rope drum at one end to rotate inside the drum, so that the traction rope drives the hollow collection box body to rise, and finally the movable plug plate is removed to complete the catch of crayfish, avoiding the problem of damage to crayfish caused by manual fishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a side view of the traction device of the utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the traction device of the utility model;

[0020] Figure 4 It is a schematic diagram of the collection cage of the utility model.

[0021] Figure 5 It is a plan view of the collection cage of the utility model.

[0022] Reference numerals:

[0023] 1. Breeding box; 2. Breeding pond; 3. Water inlet pipe; 4. Drain pipe; 5. Traction device; 501. Short installation slot; 502. Long installation slot; 503. Hanging cylinder; 504. Positioning socket; 505. Inner rotating shaft; 506. Limiting slot; 507. Double-handled plug rod; 508. Draw rope drum; 509. Traction hole; 6. Permeable fence; 7. Collection box; 701. Hollow collection box; 702. Lifting ear; 703. Traction rope; 704. Hollow net; 705. Movable plug board; 706. Fixed board; 707. Concave wire mesh. DETAILED DESCRIPTION

[0024] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0027] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connected," "fixed," "provided with," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances. Example

[0028] Refer to the attached Figure 1-5 , including a breeding box body 1, a breeding pond body 2 is arranged inside the breeding box body 1, a water inlet pipe 3 is arranged on the upper surface of the breeding pond body 2, a drainage pipe 4 is arranged on one side surface of the breeding pond body 2, a traction device 5 is fixedly connected to the upper surface of the breeding box body 1, a permeable fence 6 is arranged inside the breeding box body 1, and a collecting net box 7 is arranged on the lower surface of the traction device 5. The collecting net box 7 forms a lifting structure inside the permeable fence 6 through the traction device 5, and the breeding pond body 2 forms a water circulation structure through the water inlet pipe 3 and the drainage pipe 4. This device completes the non-destructive fishing of crayfish through the collecting net box 7.

[0029] The traction device 5 includes a short mounting groove 501 provided on the top of one side of the breeding pond body 2, and a long mounting groove 502 is fixedly connected to the top of the other side of the breeding pond body 2. A hanging tube 503 is fixedly connected to the upper end surface of the short mounting groove 501 and the long mounting groove 502. A positioning socket 504 is provided on the surface of the long mounting groove 502. An inner shaft 505 is rotatably connected to the surface of the hanging tube 503 on one side. A limited slot 506 is provided on the surface of the limited slot 506. It is connected to a double-handled insertion rod 507, and the other end of the inner rotating shaft 505 is movably connected to a pull rope drum 508 inside the hanging barrel 503. A traction hole 509 is provided on the surface of the hanging barrel 503 below the pull rope drum 508. The pull rope drum 508 forms a rotating structure inside the hanging barrel 503 through the inner rotating shaft 505. The inner rotating shaft 505 is slidingly connected to the double-handled insertion rod 507, and the double-handled insertion rod 507 is engaged with the positioning socket 504. The inner rotating shaft 505 forms a limiting structure on the surface of the hanging barrel 503 through the handle insertion rod 507.

[0030] In this embodiment, when the breeding operation is carried out, the crayfish breeding is carried out inside the water-permeable fence 6, water is delivered to the inside of the breeding box 1 through the water inlet pipe 3, the water-permeable fence 6 is submerged, the breeding operation is carried out, and the tail water inside the breeding pool 2 is circulated and discharged through the water inlet pipe 3 and the water outlet pipe 4 during the breeding process.

[0031] The collecting net cage 7 comprises a hollow collecting box body 701, a lifting lug 702 is fixedly connected to the upper surface of the hollow collecting box body 701, a traction rope 703 is arranged on the upper surface of the lifting lug 702, a hollow net 704 is arranged on the two sides of the hollow collecting box body 701, a movable plug plate 705 is slidably connected to the upper surface of the hollow collecting box body 701, a fixed plate surface 706 is arranged on the lower side of the hollow collecting box body 701, an inner recessed wire mesh 707 is arranged on one side of the fixed plate surface 706, the hollow collecting box body 701 forms a lifting structure under the traction device 5 through the lifting lug 702 and the traction rope 703, the traction rope 703 is installed on the surface of the pull rope rotating drum 508, and the hollow collecting box body 701 forms a closed structure through the movable plug plate 705.

[0032] In this embodiment, when the crayfish needs to be caught, food lures are placed in the collecting net cage 7, the double-handle plug rod 507 in the traction device 5 is pulled out of the positioning hole 504, the collecting net cage 7 falls into the water-permeable fence 6 under the action of gravity, the crayfish is induced to enter the hollow collecting box body 701 through the inner recessed wire mesh 707, the catching is completed, the double-handle plug rod 507 drives the inner rotating shaft 505 and the pull rope rotating drum 508 at one end to rotate in the drum 503, the traction rope 703 drives the hollow collecting box body 701 to rise, the catching of the crayfish is finally completed by removing the movable plug plate 705, and the problem that the crayfish is damaged by manual catching is avoided.

[0033] The above-described embodiments only express certain implementation manners of the present application, the description is relatively specific and detailed, but it cannot be understood as a limitation on the patent scope of the present application; it should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A protective fence for crayfish farming, characterized in that The invention comprises a breeding box (1), a breeding pond (2) is arranged inside the breeding box (1), a water inlet pipe (3) is arranged on the upper surface of the breeding pond (2), a drainage pipe (4) is arranged on one side surface of the breeding pond (2), a traction device (5) is fixedly connected to the upper surface of the breeding box (1), a permeable fence (6) is arranged inside the breeding box (1), and a collection box (7) is arranged on the lower surface of the traction device (5).

2. The protective fence for crayfish farming according to claim 1, characterized in that: The collecting net box (7) forms a lifting structure inside the permeable fence (6) through the traction device (5), and the breeding pond body (2) forms a water circulation structure through the water inlet pipe (3) and the drainage pipe (4).

3. The protective fence for crayfish farming according to claim 1, characterized in that: The traction device (5) comprises a short mounting groove (501) provided at the top end of one side of the culture pond body (2); a long mounting groove (502) is fixedly connected to the top end of the other side of the culture pond body (2); a hanging tube (503) is fixedly connected to the upper end surfaces of the short mounting groove (501) and the long mounting groove (502); a positioning socket (504) is provided on the surface of the long mounting groove (502); an inner rotating shaft (505) is rotatably connected to the surface of one side of the hanging tube (503); a limiting slot (506) is provided on the surface of one side of the inner rotating shaft (505); a double-handled insertion rod (507) is slidably connected to the surface of the limiting slot (506); the other end of the inner rotating shaft (505) is movably connected to a pull rope rotating drum (508) inside the hanging tube (503); a traction hole (509) is provided on the surface of the hanging tube (503) below the pull rope rotating drum (508).

4. The protective fence for crayfish farming according to claim 3, characterized in that: The rope pull drum (508) forms a rotating structure inside the hanging drum (503) through the inner rotating shaft (505), the inner rotating shaft (505) is slidably connected to the double-handle insertion rod (507), and the double-handle insertion rod (507) is engaged with the positioning socket (504), and the inner rotating shaft (505) forms a limiting structure on the surface of the hanging drum (503) through the handle insertion rod (507).

5. The protective fence for crayfish farming according to claim 1, characterized in that: The collection net box (7) comprises a hollow collection box body (701), a lifting ear (702) is fixedly connected to the upper surface of the hollow collection box body (701), a traction rope (703) is provided on the upper surface of the lifting ear (702), hollow nets (704) are provided on both sides of the hollow collection box body (701), a movable plug plate (705) is slidably connected to the upper surface of the hollow collection box body (701), a fixed plate surface (706) is provided below the movable plug plate (705) on one side below the hollow collection box body (701), and a concave wire mesh (707) is provided on one side of the fixed plate surface (706).

6. The protective fence for crayfish farming according to claim 5, characterized in that: The hollow collection box (701) forms a lifting structure below the traction device (5) through the lifting lug (702) and the traction rope (703), and the traction rope (703) is installed on the surface of the rope drum (508). The hollow collection box (701) forms a closed structure through the movable plug plate (705).

Citation Information

Patent Citations

  • Fence structure for crayfish breeding

    CN215836582U