Edodging device for blue crab larvae
By designing the ring connection line and movable ring buckle structure of the leash device for the leash crab, and installing the penetration rope and lead block at the bottom of the leash mesh, the existing device has been solved, the problems of large occupation, poor isolation effect and easy floating, and rapid disassembly and stable fixation have been achieved, and the seedling cultivation effect has been improved.
Patent Information
- Application Number
- CN202421423880.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-05-02
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing green crab larvae evacuation device occupies a large area and is inconvenient to collect in the seedling pond. The isolation effect is average and easy to float, resulting in the unsatisfactory seedling effect.
A evacuation device for larvae in green crabs is designed, using a sliding connection structure of ring connection wire and movable ring buckle, which facilitates quick removal of the evacuation mesh, and installs a threaded rope and lead block at the bottom of the evacuation mesh, increasing the bottom weight to control the shape of the evacuation mesh.
The rapid disassembly and fixation of the evacuation net clothing is realized, the convenience of use and seedling cultivation in the seedling pond is improved, and the stability and use effect of the evacuation device are enhanced.
Smart Images
Figure CN222815088U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of aquaculture, and particularly relates to a dodging device for blue crab larvae. Background Art
[0002] During the breeding process of blue crabs, megalopa and young crabs like to cling to objects in the water and have strong aggressiveness. Mutual killing is one of the key factors affecting the survival rate of breeding. The existing technology has taken corresponding measures to deal with the mutual killing of blue crabs, which has reduced the mutual killing of blue crab larvae to a certain extent.
[0003] However, the existing device still has defects when in use: the avoidance device occupies a large area, is inconvenient to collect in the nursery pond, and has a general isolation effect, resulting in an unsatisfactory nursery effect. At the same time, when the existing avoidance device is placed inside the nursery pond, because there is no downward force on the avoidance net at the bottom, it is easy to make the avoidance net float to the water surface, making the use effect of the device, thereby reducing the use of the avoidance device. Summary of the invention
[0004] The utility model aims to provide a dodging device for blue crab larvae, which has the advantages of being convenient for quickly disassembling and removing the dodging net and convenient for increasing the weight of the bottom of the dodging net to control the shape of the net.
[0005] The above technical objectives of the utility model are achieved through the following technical solutions: a dodging device for blue crab larvae, wherein a circular connecting line is fixedly installed inside the nursery pond, a movable circular ring buckle is slidably connected to the surface of the circular connecting line, a connecting line 1 is fixedly installed on the bottom of the movable circular ring buckle, a floating ball is fixedly installed on the bottom of the connecting line 1, a connecting ring is fixedly installed on the bottom of the floating ball, a connecting rod is clamped inside the connecting ring, a bent piece is fixedly installed on the bottom of the connecting rod, a buckle rod is fixedly installed on one end of the bent piece, a bent buckle is fixedly installed on the top of the connecting rod, a buckle head and a limit buckle head are fixedly installed on the bottom of the bent buckle and the top of the buckle rod, a connecting line 2 is fixedly installed on the bottom of the bent piece, a sinker ball is fixedly installed on the bottom of the connecting line 2, a dodging net is fixedly installed on the surface of the sinker, a penetration rope is passed through the bottom of the dodging net, a plurality of lead blocks are fixedly installed on the surface of the penetration rope, and lead holes are opened inside the lead blocks.
[0006] The above technical solution is adopted: after placing the avoidance net in the nursery pond as needed, connect the second connecting line to the inside of the bend, push the limit buckle on the top of the buckle rod to the right, and after connecting to the connecting ring, connect the limit buckle to the right side of the buckle at the bottom of the left side of the bend buckle to fix it, remove the avoidance net, push the limit buckle to the right, move the bend buckle upward, pull the second connecting line to quickly take out the avoidance net, so that the device can be easily disassembled in the nursery pond, and improve the seedling raising effect of the device. Install a penetration rope at the bottom of the avoidance net, install lead blocks on the surface of the penetration rope, and use the penetration rope to evenly fix the lead blocks to the inside of the avoidance net, add a downward gravity to the bottom of the avoidance net, so that the weight of the bottom of the avoidance net controls the shape of the net, improves the use effect of the device, and improves the use of the avoidance device.
[0007] The utility model is further configured that a steel rod is fixedly installed on the top of the seedling raising pool.
[0008] Adopting the technical solution makes it easy to hang the movable ring buckle.
[0009] The utility model is further configured that the right side of the buckle head is clamped with a limiting buckle head for fixation.
[0010] The above technical solution is adopted to facilitate the clamping and fixing of the buckle rod and the bent buckle.
[0011] The utility model is further configured that the lead block is fixed inside by inserting a rope and a dodging net.
[0012] Adopting the technical solution makes it easy to fix the lead block to the bottom of the dodging net.
[0013] The utility model is further configured that a water line is fixedly installed inside the seedling raising pond.
[0014] The technical solution is adopted to facilitate the breeding of blue crabs in the nursery pond.
[0015] The utility model is further configured that the connecting wire 1 and the connecting wire 2 are made of 1 mm nylon wire.
[0016] The above technical solution is adopted to facilitate improving the tensile force of the connecting line 1 and the connecting line 2.
[0017] The utility model is further configured that the float is a 15 cm polyethylene float, and a connecting ring is provided at the bottom end for clamping and fixing the bent fastener.
[0018] The above technical solution is adopted to facilitate improving the strength and corrosion resistance of the float.
[0019] The utility model is further configured that the dodging net is made of polyethylene material, and is composed of 3 layers of 20-mesh polyethylene mesh sheets with a specification of 1.0m in length and 1.0m in width, and a sinker is tied in the middle position thereof, and the dodging net is scattered in the water body.
[0020] The technical solution is adopted to facilitate improving the strength and wear resistance of the dodging net.
[0021] In summary, the utility model has the following beneficial effects:
[0022] 1. The utility model is installed with a quick-removable avoidance net structure. After placing the avoidance net in the nursery pond as needed, the second connecting line is clipped into the inside of the bent piece, and then the limit buckle head at the top of the buckle rod is pushed to the right. After being clipped into the connecting ring, the limit buckle head is clipped into the right side of the buckle head at the bottom of the left side of the bent buckle to fix it. The avoidance net is removed, the limit buckle head is pushed to the right, the bent buckle is moved upward, and the second connecting line is pulled to quickly take out the avoidance net, so that the device is easy to remove in the nursery pond, and the seedling raising effect of the device is improved;
[0023] 2. The utility model installs a shape-controlling structure at the bottom of the dodging net, installs a penetration rope at the bottom of the dodging net, installs lead blocks on the surface of the penetration rope, and fixes the lead blocks evenly to the inside of the dodging net by the penetration rope, thereby adding a downward gravity to the bottom of the dodging net, so that the lead blocks at the bottom of the dodging net can control the shape of the net, thereby improving the use effect of the device and improving the use of the dodging device. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0025] Figure 2 It is a cross-sectional view of the structure of the utility model;
[0026] Figure 3 The utility model is Figure 2 A partial enlarged view of the middle A;
[0027] Figure 4 The utility model is Figure 2 A partial enlarged view of point B in the middle.
[0028] Figure numerals: 1. Seedling pond; 2. Ring connecting line; 3. Steel rod; 4. Movable ring buckle; 5. Connecting line one; 6. Floating ball; 7. Connecting ring; 8. Connecting rod; 9. Bend; 10. Buckle rod; 11. Bend buckle; 12. Buckle head; 13. Limit buckle head; 14. Connecting line two; 15. Sinking ball; 16. Avoiding net; 17. Insertion rope; 18. Lead block; 19. Lead hole; 20. Water line. DETAILED DESCRIPTION
[0029] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0030] Example 1: Reference Figure 1 , Figure 2 , Figure 3 A dodging device for blue crab larvae, a circular connecting line 2 is fixedly installed inside the nursery pond 1, a movable circular ring buckle 4 is slidably connected to the surface of the circular connecting line 2, a connecting line 5 is fixedly installed at the bottom of the movable circular ring buckle 4, a floating ball 6 is fixedly installed at the bottom of the connecting line 5, a connecting ring 7 is fixedly installed at the bottom of the floating ball 6, a connecting rod 8 is clamped inside the connecting ring 7, a bent piece 9 is fixedly installed at the bottom of the connecting rod 8, a buckle rod 10 is fixedly installed at one end of the bent piece 9, a bent buckle 11 is fixedly installed at the top of the connecting rod 8, and the bottom of the bent buckle 11 A buckle 12 and a limit buckle 13 are fixedly installed on the top of the buckle rod 10. The connecting line 14 is clamped into the inside of the bent piece 9, and then the limit buckle 13 on the top of the buckle rod 10 is pushed to the right. After being clamped into the connecting ring 7, the limit buckle 13 is clamped to the right side of the buckle 12 at the bottom of the left side of the bent fastener 11 for fixation. Remove the avoidance net 16, push the limit buckle 13 to the right, move the bent fastener 11 upward, lift the connecting line 14 to quickly take out the avoidance net 16, so that the device is easy to disassemble in the seedling pool 1, and the seedling raising effect of the device is improved.
[0031] refer to Figure 1 A steel rod 3 is fixedly installed on the top of the nursery pond 1. By setting the steel rod 3, it is convenient to hang the movable circular ring buckle 4.
[0032] refer to Figure 3 The right side of the buckle head 12 is clamped and fixed with a limiting buckle head 13. By setting the limiting buckle head 13, it is convenient to clamp and fix the buckle rod 10 and the bent buckle 11.
[0033] refer to Figure 4 The lead block 18 is fixed to the dodging net 16 through a penetration rope 17. By setting the penetration rope 17, it is convenient to fix the lead block 18 to the bottom of the dodging net 16.
[0034] refer to Figure 2 A water line 20 is fixedly installed inside the nursery pond 1. By setting the water line 20, it is convenient to raise the blue crabs in the nursery pond 1.
[0035] Brief description of the usage process: after placing the avoidance net 16 in the nursery pond 1 as needed, snap the connecting line 2 14 into the inside of the bent piece 9, then push the limit buckle 13 on the top of the buckle rod 10 to the right, snap it into the connecting ring 7, snap the limit buckle 13 into the right side of the buckle 12 at the bottom left side of the bent fastener 11 to fix it, remove the avoidance net 16, push the limit buckle 13 to the right, move the bent fastener 11 upward, lift the connecting line 2 14 to quickly take out the avoidance net 16, so that the device is easy to disassemble in the nursery pond 1, and improve the seedling raising effect of the device.
[0036] Example 2: Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 A dodging device for blue crab larvae, a connecting line 14 is fixedly installed at the bottom of a bent piece 9, a sinker ball 15 is fixedly installed at the bottom of the connecting line 14, a dodging net 16 is fixedly installed on the surface of the sinker ball 15, a penetration rope 17 is penetrated through the bottom of the dodging net 16, a plurality of lead blocks 18 are fixedly installed on the surface of the penetration rope 17, lead holes 19 are opened inside the lead blocks 18, the penetration rope 17 is installed at the bottom of the dodging net 16, the lead blocks 18 are installed on the surface of the penetration rope 17, the lead blocks 18 are fixed to the inside of the dodging net 16 evenly by the penetration rope 17, a downward gravity is added to the bottom of the dodging net 16, the weight of the bottom of the dodging net 16 controls the shape of the net, the use effect of the device is improved, and the use of the dodging device is improved.
[0037] refer to Figure 2 The connecting wire 1 5 and the connecting wire 2 14 are made of 1 mm nylon wire. By setting the nylon wire, the tensile force of the connecting wire 1 5 and the connecting wire 2 14 can be easily improved.
[0038] refer to Figure 2 and Figure 3 The float 6 is a 15 cm polyethylene float, and a connecting ring 7 is provided at the bottom for clamping and fixing the bent fastener 11. By providing the polyethylene float, the strength and corrosion resistance of the float 6 can be improved.
[0039] refer to Figure 2 The evasion net 16 is made of polyethylene material, and is composed of 3 layers of 20-mesh polyethylene mesh sheets with a length of 1.0m and a width of 1.0m, and a sinker 15 is tied in the middle position. The evasion net 16 is scattered in the water body. By setting the polyethylene material, it is easy to improve the strength and wear resistance of the evasion net 16.
[0040] A brief description of the use process: a penetration rope 17 is installed at the bottom of the dodging net 16, and lead blocks 18 are installed on the surface of the penetration rope 17. The lead blocks 18 are evenly fixed to the inside of the dodging net 16 by the penetration rope 17, thereby adding a downward gravity to the bottom of the dodging net 16, so that the weight of the bottom of the dodging net 16 controls the shape of the net, thereby improving the use effect of the device and improving the use of the dodging device.
[0041] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
Claims
1. A evasion device for blue crab larvae, comprising a nursery pond (1), characterized in that: A circular connecting line (2) is fixedly installed inside the nursery pond (1), a movable circular buckle (4) is slidably connected to the surface of the circular connecting line (2), a connecting line 1 (5) is fixedly installed at the bottom of the movable circular buckle (4), a floating ball (6) is fixedly installed at the bottom of the connecting line 1 (5), a connecting ring (7) is fixedly installed at the bottom of the floating ball (6), a connecting rod (8) is clamped inside the connecting ring (7), a bent piece (9) is fixedly installed at the bottom of the connecting rod (8), a buckle rod (10) is fixedly installed at one end of the bent piece (9), and the top of the connecting rod (8) is fixedly installed. A bent fastener (11) is provided, a buckle head (12) and a limit buckle head (13) are fixedly installed at the bottom of the bent fastener (11) and the top of the buckle rod (10), a second connecting line (14) is fixedly installed at the bottom of the bent member (9), a sinker ball (15) is fixedly installed at the bottom of the second connecting line (14), a dodging net (16) is fixedly installed on the surface of the sinker ball (15), a penetration rope (17) penetrates the inside of the bottom of the dodging net (16), a plurality of lead blocks (18) are fixedly installed on the surface of the penetration rope (17), and lead holes (19) are opened inside the lead blocks (18).
2. The mud crab larvae avoidance device according to claim 1, characterized in that: A steel rod (3) is fixedly mounted on the top of the nursery pond (1).
3. The mud crab larvae avoidance device according to claim 1, characterized in that: The right side of the buckle head (12) is clamped with a limiting buckle head (13) for fixation.
4. The mud crab larvae avoidance device according to claim 1, characterized in that: The lead block (18) is fixed to the avoidance net (16) by inserting a rope (17) inside.
5. The mud crab larvae avoidance device according to claim 1, characterized in that: A water line (20) is fixedly installed inside the seedling raising pond (1).
6. The mud crab larvae avoidance device according to claim 1, characterized in that: The connecting wire 1 (5) and the connecting wire 2 (14) are made of 1 mm nylon wire.
7. The mud crab larvae avoidance device according to claim 1, characterized in that: The float (6) is a 15 cm polyethylene float, and has a connecting ring (7) at the bottom for clamping and fixing the bent fastener (11).
8. The mud crab larvae avoidance device according to claim 1, characterized in that: The evasion net (16) is made of polyethylene and is composed of three layers of 20-mesh polyethylene mesh sheets with a length of 1.0 m and a width of 1.0 m, and a sinker ball (15) is tied at the center thereof. The evasion net (16) is scattered in the water.