Mesh fishing device for crab culture

Abstract

The utility model relates to the technical field of crab culture, and discloses a crab culture net fishing device which comprises a storage bin for collecting and storing crabs, the right end of the storage bin is fixedly connected with a culture pond, the outer wall of the front end of the culture pond is connected with a reciprocating lead screw through a reciprocating set, and the outer wall of the reciprocating lead screw is sleeved with a sliding block. The outer wall of the sliding block is connected with a moving frame and a contraction frame for screening crabs through a material shaking set, rotating plates are rotationally connected to the two sides of the front end of the right end of the contraction frame, the left end of the contraction frame is rotationally connected to the inner wall of the moving frame, and the left ends of the rotating plates are connected with shifting blocks through elastic sets. According to the crab catching device, crabs in the net cage frame are shaken through the telescopic frame, so that the small crabs are discharged, the small crabs are discharged from the net cage frame, a user can replace the filter screen at regular intervals to ensure that the sizes of meshes are consistent, and the situation that the catching efficiency is affected due to the fact that the meshes are blocked or damaged is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of crab farming, in particular to a crab farming net scooping device. Background Art

[0002] Crab is an indispensable delicacy on people's tables in early summer every year. During this period, crabs with delicious meat, rich roe and yellow fat become the first choice of many diners. For farmers, every harvest season, they need to catch crabs in the breeding ponds. In order to catch crabs efficiently and safely, farmers usually use specially designed net fishing devices. These devices are usually made of durable and crab-friendly materials such as nylon or polyethylene, and the mesh size is moderate, which can prevent crabs from escaping without clogging the mesh and affecting the fishing efficiency.

[0003] After searching, the publication number CN220422824U discloses a crab farming net scooping device, which includes a farming pond, a fixed base, a connecting base, and a net bag. The top of the farming pond is connected to a fixed frame, and the farming pond and the fixed base are fixedly connected. Rotating motors are installed on both sides of the top of the fixed frame, and threaded rods are installed on the output shaft ends of the rotating motors. The utility model is provided with a connecting base inside the fixed base. When the fixed base drives the connecting base and the net bag to be lifted, the vibration motor at the bottom of the connecting base is activated, which can drive the connecting base to vibrate rapidly. At this time, the connecting base can drive the slider on one side of the connecting block to slide on the slide rod and squeeze the spring members on both sides. At this time, the net bag inside the connecting base can quickly screen the smaller crabs inside, so that the small crabs quickly fall into the farming pond, and the larger crabs can be quickly scooped up.

[0004] Based on the above patent, the background technology mentioned in the above patent is that it is not convenient to screen smaller crabs when catching crabs with a net, so the smaller crabs have to be put back into the breeding pond after being scooped out. The operation is time-consuming and labor-intensive, affecting the overall catching efficiency. In response to this technical problem, the present application proposes a crab farming net catching device. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a crab farming net scooping device, which can discharge smaller crabs from the net cage frame, and the user can regularly replace the filter to ensure that the mesh size remains consistent.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A crab farming net scooping device, comprising:

[0008] A storage bin is used to collect and store crabs. The right end of the storage bin is fixedly connected to a breeding pond. The outer wall of the front end of the breeding pond is connected to a reciprocating screw rod through a reciprocating group. The outer wall of the reciprocating screw rod is provided with a slider. The outer wall of the slider is connected to a movable frame through a shaking group.

[0009] The retraction rack is used to screen crabs. Both sides of the front end of the right end of the retraction rack are rotatably connected to a rotating plate. The left end of the retraction rack is rotatably connected to the inner wall of the movable rack. The left end of the rotating plate is connected to a toggle block through an elastic group. The left ends of the toggle blocks are rotatably connected to the first connecting plate. The left end of the first connecting plate is connected to the net cage rack through a disassembly group. The inner wall of the net cage rack is fixedly connected to a filter net.

[0010] Furthermore, the front and rear sides of the top of the movable frame are rotatably connected to the adapter blocks, the outer wall of the right end of the adapter block is fixedly connected to the electric hydraulic rod, the output end of the electric hydraulic rod is fixedly connected to the connecting block, and the inner wall of the bottom end of the connecting block is rotatably connected to the outer wall of the top of the retracting frame.

[0011] Furthermore, the reciprocating group includes a driving motor fixedly connected to the front end outer wall of the breeding pond, and the output end of the driving motor is fixedly connected to the left end outer wall of the reciprocating screw rod.

[0012] Furthermore, the material shaking group includes a moving block fixedly connected to the outer wall of the slider, the top side of the rear end of the moving block is fixedly connected to the front end of the moving frame, and the bottom end of the moving frame is slidably connected to the top outer wall of the storage bin.

[0013] Furthermore, an output pipe is fixedly connected to and passes through the right side of the front end of the breeding pond, and an electric-controlled valve is installed on the outer wall of the output pipe.

[0014] Furthermore, the elastic group includes a slide block rotatably connected to the bottom end of the rotating plate, and the front and rear ends of the inner wall of the slide block are fixedly connected to a return spring, and the other end of the return spring is fixedly connected to the right end of the toggle block.

[0015] Furthermore, the disassembly group includes a first connecting plate rotatably connected to the left end of the toggle block, the left end of the first connecting plate is rotatably connected to the second connecting plate, the top of the second connecting plate is rotatably connected to the extrusion block, and the top of the extrusion block is detachably connected to the inner wall of the cage frame.

[0016] The utility model has the following beneficial effects:

[0017] 1. In the utility model, the crabs in the retractable cage are shaken so that smaller crabs are discharged from the cage, which reduces the time and labor of manual screening, improves the efficiency of fishing and sorting, and can manage or sell crabs of different sizes separately, thereby optimizing resource utilization.

[0018] 2. In the utility model, the cage frame is disassembled and assembled by squeezing blocks, so that the device can replace the filter screen. The user can regularly replace the filter screen to ensure that the mesh size remains consistent, avoiding the impact of mesh blockage or damage on fishing efficiency. The cleaned filter screen can better catch crabs and reduce the number of crabs that slip through the net. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional diagram of a crab farming net scooping device proposed by the utility model;

[0020] Figure 2 This is a half-section diagram of a crab farming pond using a crab farming net scooping device proposed in the present invention;

[0021] Figure 3 This is a schematic diagram of the filter structure of a crab farming net scooping device proposed in the utility model;

[0022] Figure 4 This is a half-section diagram of the retractable frame of a crab farming net scooping device proposed in the utility model;

[0023] Figure 5 This is a half-section view of the net cage frame of a crab farming net scooping device proposed in the utility model.

[0024] Legend:

[0025] 1. Storage bin; 2. Breeding pond; 3. Output pipe; 4. Electric control valve; 5. Drive motor; 6. Reciprocating screw; 7. Moving block; 8. Moving frame; 9. Adapter block; 10. Electric hydraulic rod; 11. Connecting block; 12. Retraction frame; 13. Cage frame; 14. Filter; 15. Rotating plate; 16. Slide block; 17. Return spring; 18. Toggle block; 19. First connecting plate; 20. Second connecting plate; 21. Extrusion block; 22. Slider. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not 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 efforts are within the scope of protection of the present invention.

[0027] Reference Figure 1-Figure 3The utility model provides an embodiment of a crab farming net scooping device, comprising a storage bin 1 for collecting and storing crabs, the right end of the storage bin 1 is fixedly connected to the breeding pond 2, the front outer wall of the breeding pond 2 is fixedly connected to the driving motor 5, the output end of the driving motor 5 is fixedly connected to the left outer wall of the reciprocating screw rod 6, the outer wall of the reciprocating screw rod 6 is sleeved with a slider 22, a moving block 7 fixedly connected to the outer wall of the slider 22, the top side of the rear end of the moving block 7 is fixedly connected to the front end of the moving frame 8, the bottom end of the moving frame 8 is slidably connected to the top outer wall of the storage bin 1, the front and rear sides of the top of the moving frame 8 are rotatably connected with an adapter block 9, the right end outer wall of the adapter block 9 is fixedly connected to an electric hydraulic rod 10, the output end of the electric hydraulic rod 10 is fixedly connected to a connecting block 11, the inner wall of the bottom end of the connecting block 11 is rotatably connected to the top outer wall of the contraction frame 12, the right front end of the breeding pond 2 is fixedly connected to an output pipe 3 and passes through it, and an electric control valve 4 is installed on the outer wall of the output pipe 3.

[0028] Specifically: when the electric control valve 4 is opened, the output pipe 3 discharges the water that needs to be replaced in the breeding pond 2, which facilitates the replacement of the water source in the breeding pond 2. When the drive motor 5 is started, the drive motor 5 drives the reciprocating screw rod 6 to make the slider 22 to make the moving block 7 drive the moving frame 8 to move, so that the moving frame 8 moves back and forth along the storage bin 1, and the moving frame 8 drives the retraction frame 12 connected to the retraction frame 12 to shake the crabs in the net cage frame 13, so that the smaller crabs in the net cage frame 13 fall into the storage bin 1, and when the electric hydraulic rod 10 connected to the adapter block 9 is started, the electric hydraulic rod 10 makes the connecting block 11 drive the retraction frame 12 to rotate along the moving frame 8, so that the retraction frame 12 is turned toward the breeding pond 2, so that the crabs in the net cage frame 13 are discharged into the storage bin 1, and the crabs are fished out for collection.

[0029] Reference Figure 4 and Figure 5 , used as a shrinking frame 12 for screening crabs, the front end of the right end of the shrinking frame 12 is rotatably connected to a rotating plate 15 on both sides, the left end of the shrinking frame 12 is rotatably connected to the inner wall of the movable frame 8, the bottom end of the rotating plate 15 is rotatably connected to the chute block 16, the front and rear ends of the inner wall of the chute block 16 are fixedly connected to a return spring 17, the other end of the return spring 17 is fixedly connected to the right end of the toggle block 18, the left end of the toggle block 18 is rotatably connected to the first connecting plate 19, the left end of the toggle block 18 is rotatably connected to the first connecting plate 19, the left end of the first connecting plate 19 is rotatably connected to the second connecting plate 20, the top of the second connecting plate 20 is rotatably connected to the extrusion block 21, the top of the extrusion block 21 is detachably connected to the inner wall of the net cage frame 13, and the inner wall of the net cage frame 13 is fixedly connected to the filter screen 14.

[0030] Specifically: when the mesh cage frame 13 needs to be replaced, the toggle block 18 is manually pulled, which causes the built-in return spring 17 to start to shrink. As the toggle block 18 is pulled, it simultaneously pulls the first connecting plate 19 and the second connecting plate 20 to shrink inward, causing the extrusion block 21 originally fixed on the mesh cage frame 13 to lose its supporting force, so that the mesh cage frame 13 can be easily fallen off from its installation position. Once the mesh cage frame 13 is successfully fallen off, it can be disassembled at the retraction frame 12, which not only simplifies the disassembly process, but also ensures the convenience of replacing the mesh cage frame 13, greatly improving work efficiency. Through the ingenious design of this mechanical structure, the simplicity of equipment maintenance and replacement of components is guaranteed, while also ensuring the safety of the equipment during operation and maintenance.

[0031] Working principle: When the driving motor 5 is started, the driving motor 5 drives the reciprocating screw rod 6 to make the slider 22 to make the moving block 7 drive the moving frame 8 to move, so that the moving frame 8 moves back and forth along the storage bin 1, so that the moving frame 8 drives the retraction frame 12 connected to the retraction frame 12 to shake the crabs in the net cage frame 13, so that the smaller crabs in the net cage frame 13 are shaken into the storage bin 1, and when the electric hydraulic rod 10 is started, the connecting block 11 drives the retraction frame 12 to rotate along the moving frame 8, so that the crabs at the net cage frame 13 are discharged into the storage bin 1, so that the crabs are fished out for collection, and when the net cage frame 13 needs to be replaced, the toggle block 18 is pulled to make the return spring 17 contract, so that the toggle block 18 pulls the first connecting plate 19 and the second connecting plate 20 to contract, so that the squeezing block 21 falls off the net cage frame 13, so that the net cage frame 13 is disassembled at the retraction frame 12, which is convenient for replacing the net cage frame 13.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A crab farming net scooping device, characterized in that: include: A storage bin (1) for collecting and storing crabs, wherein the right end of the storage bin (1) is fixedly connected to a breeding pond (2), the front end outer wall of the breeding pond (2) is connected to a reciprocating screw rod (6) via a reciprocating assembly, the outer wall of the reciprocating screw rod (6) is sleeved with a slider (22), and the outer wall of the slider (22) is connected to a movable frame (8) via a shaking assembly; A retractable frame (12) is used for screening crabs. Both sides of the front end of the right end of the retractable frame (12) are rotatably connected to a rotating plate (15). The left end of the retractable frame (12) is rotatably connected to the inner wall of the movable frame (8). The left end of the rotating plate (15) is connected to a toggle block (18) through an elastic group. The left end of the toggle block (18) is rotatably connected to a first connecting plate (19). The left end of the first connecting plate (19) is connected to a net cage frame (13) through a disassembly group. The inner wall of the net cage frame (13) is fixedly connected to a filter screen (14).

2. The crab farming net scooping device according to claim 1, characterized in that: The front and rear sides of the top of the movable frame (8) are rotatably connected to the adapter block (9), the outer wall of the right end of the adapter block (9) is fixedly connected to the electric hydraulic rod (10), the output end of the electric hydraulic rod (10) is fixedly connected to the connection block (11), and the inner wall of the bottom end of the connection block (11) is rotatably connected to the outer wall of the top end of the contraction frame (12).

3. The crab farming net scooping device according to claim 1, characterized in that: The reciprocating group comprises a driving motor (5) fixedly connected to the front end outer wall of the culture pond (2), and the output end of the driving motor (5) is fixedly connected to the left end outer wall of the reciprocating screw rod (6).

4. The crab farming net scooping device according to claim 1, characterized in that: The shaking material group includes a moving block (7) fixedly connected to the outer wall of the slider (22), the top side of the rear end of the moving block (7) is fixedly connected to the front end of the moving frame (8), and the bottom end of the moving frame (8) is slidably connected to the top outer wall of the storage bin (1).

5. The crab farming net scooping device according to claim 1, characterized in that: An output pipe (3) is fixedly connected to the right side of the front end of the culture pond (2) and passes through it, and an electric control valve (4) is installed on the outer wall of the output pipe (3).

6. The crab farming net scooping device according to claim 1, characterized in that: The elastic group includes a slide block (16) rotatably connected to the bottom end of the rotating plate (15), and the front and rear ends of the inner wall of the slide block (16) are fixedly connected to a return spring (17), and the other end of the return spring (17) is fixedly connected to the right end of the toggle block (18).

7. The crab farming net scooping device according to claim 1, characterized in that: The disassembly group comprises a first connecting plate (19) rotatably connected to the left end of the toggle block (18), a second connecting plate (20) rotatably connected to the left end of the first connecting plate (19), and an extrusion block (21) rotatably connected to the top end of the second connecting plate (20), wherein the top end of the extrusion block (21) is detachably connected to the inner wall of the mesh cage frame (13).

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