Injury-free catching device for shrimp culture

Abstract

The utility model discloses an injury-free catching device for shrimp culture, which belongs to the technical field of catching devices and comprises a catching cage, a sleeve is fixed in the middle of the catching cage, four groups of partition plates are circumferentially distributed between the outer side wall of the sleeve and the inner wall of the catching cage at equal intervals, two groups of springs are mounted on one side wall of each partition plate in an array manner, and a buffer plate is fixed at one end of each spring. According to the utility model, by designing a group of dividing mechanisms consisting of the partition plates, the springs and the buffer plates, in the fishing process, the partition plates can separate the fishing cage, so that the shrimps can be prevented from gathering, meanwhile, when the quantity of the shrimps in each compartment is large, the springs are compressed by the extrusion of the shrimps, and the buffer plates rotate around one ends of the partition plates, so that the areas of the compartments can be increased; further, mutual extrusion force between the shrimps is further reduced, damage to the shrimps due to large extrusion force is avoided, the shrimps can be effectively protected, and the fishing effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fishing devices, in particular to a non-injury fishing device for shrimp farming. Background Art

[0002] Shrimp (English name: Shrimp) is a decapod crustacean. There are many types of shrimps, such as prawns and mud shrimps. The average size of shrimps is 4-8 cm. The bending of the abdomen and tail can quickly swim backwards. Its abdomen flexes and stretches quickly, and its tail paddles downward and forward, and it can continuously jump backwards at a very fast speed. They eat tiny creatures, some of which eat carrion, and have whiskers, hooked noses, segmented dorsal arches, and hard scaly feet on the tail. Most of them are good at jumping. In the process of shrimp farming, when the shrimp grows to a certain size, they need to be caught by fishing devices.

[0003] The existing shrimp farming non-injury fishing device mostly adopts a trapping method to catch shrimps during use, that is, the shrimps are attracted by attractants and enter the fishing cage to achieve the catching of shrimps. In the above method, since the space in the fishing cage is fixed, the number of shrimps entering the fishing cage is large, which causes the shrimps to gather together, which is easy to cause damage to the shrimps due to the squeezing force, resulting in poor fishing effect of the device. Therefore, a shrimp farming non-injury fishing device is urgently needed to solve the above problems. Utility Model Content

[0004] The main purpose of the utility model is to provide a shrimp farming non-injury fishing device.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] A shrimp farming non-injury fishing device comprises a fishing cage, a sleeve is fixed in the middle of the fishing cage, four groups of partitions are circumferentially evenly distributed between the outer wall of the sleeve and the inner wall of the fishing cage, two groups of springs are installed in an array on one side wall of the partition, and a buffer plate is fixed at one end of the spring.

[0007] Preferably, the sleeve is formed inside the fishing tube, and the outer side wall of the sleeve is a hollow structure.

[0008] Preferably, the partition is welded between the fishing cage and the sleeve, both ends of the spring are respectively welded to the partition and the buffer plate, and one end of the buffer plate is hinged to the partition.

[0009] Preferably, a sealing cover is threadedly connected to the upper end of the fishing cage, and both the fishing cage and the sealing cover are hollow structures.

[0010] Preferably, a lifting lug is welded at the middle of the upper end of the sealing cover, and four groups of connecting pipes are circumferentially distributed on the outer wall of the fishing cage.

[0011] Preferably, a retaining ring is welded on the inner wall of the connecting pipe, and a support is fixed on one side wall of the retaining ring.

[0012] Preferably, a baffle is rotatably mounted inside the support, and the outer diameter of the baffle is greater than the inner diameter of the baffle ring.

[0013] Beneficial technical effects of the utility model:

[0014] The utility model designs a dividing mechanism consisting of a partition, a spring and a buffer plate. During the fishing process, the partition can separate the fishing cages to prevent shrimps from gathering. At the same time, when the number of shrimps in each compartment is large, the squeezing of the shrimps will compress the spring, and then the buffer plate rotates around one end of the partition, which can increase the area of ​​the compartment, thereby further reducing the mutual squeezing force between the shrimps, avoiding shrimp damage due to the large squeezing force, effectively protecting the shrimps, and improving the fishing effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a preferred embodiment of a shrimp farming non-injury fishing device according to the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of a fishing cage in a preferred embodiment of a shrimp farming non-injury fishing device according to the utility model;

[0017] Figure 3 It is a main cross-sectional view of a connecting pipe in a preferred embodiment of a shrimp breeding and non-injury fishing device according to the utility model.

[0018] The following are the descriptions of the reference numerals:

[0019] 1. Fishing cage; 2. Connecting pipe; 3. Sealing cover; 4. Lifting ear; 5. Sleeve; 6. Partition; 7. Spring; 8. Buffer plate; 9. Retaining ring; 10. Support; 11. Baffle. DETAILED DESCRIPTION

[0020] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0021] like Figure 1-Figure 3 As shown, the present embodiment provides a shrimp farming non-injury fishing device, comprising a fishing cage 1, a sleeve 5 is fixed in the middle of the fishing cage 1, four groups of partitions 6 are circumferentially evenly distributed between the outer wall of the sleeve 5 and the inner wall of the fishing cage 1, two groups of springs 7 are installed in an array on one side wall of the partition 6, and a buffer plate 8 is fixed at one end of the spring 7.

[0022] The sleeve 5 is formed inside the fishing tube, and the outer wall of the sleeve 5 is a hollow structure. The sleeve 5 can provide a placement position for the attractant, and the attractant can be dispersed in the water through the sleeve 5 to attract shrimps.

[0023] The partition 6 is welded between the fishing cage 1 and the sleeve 5, and the two ends of the spring 7 are welded to the partition 6 and the buffer plate 8 respectively. One end of the buffer plate 8 is hinged to the partition 6. During the fishing process, the partition 6 can separate the fishing cage 1 to avoid shrimp gathering. At the same time, when the number of shrimps in each compartment is large, the squeezing of the shrimps will compress the spring 7, and then the buffer plate 8 will rotate around one end of the partition 6, which can increase the area of ​​the compartment, and further reduce the mutual squeezing force between the shrimps, avoiding shrimp damage due to the large squeezing force, and effectively protecting the shrimps to improve the fishing effect of the device.

[0024] The upper end of the fishing cage 1 is connected with a sealing cover 3 through threads. The fishing cage 1 and the sealing cover 3 are both hollow structures, and the sealing cover 3 can seal the upper end of the fishing cage 1.

[0025] A lifting ear 4 is welded at the middle of the upper end of the sealing cover 3. Four groups of connecting pipes 2 are circumferentially distributed on the outer wall of the fishing cage 1. The lifting ear 4 is convenient for lifting the fishing hole, and the shrimp enters the fishing cage 1 through the connecting pipe 2.

[0026] A retaining ring 9 is welded on the inner wall of the connecting pipe 2 , and a support 10 is fixed on one side wall of the retaining ring 9 . The retaining ring 9 can make the baffle 11 rotate in one direction, thereby preventing shrimps from escaping through the connecting pipe 2 .

[0027] A baffle 11 is rotatably mounted in the support 10 , and the outer diameter of the baffle 11 is larger than the inner diameter of the baffle ring 9 . When the shrimp enters the fishing cage 1 through the connecting pipe 2 , the shrimp exerts an external force on the baffle 11 to flip it, thereby forming a passage for entering the fishing cage 1 .

[0028] The working principle of the device is as follows: the attractant is placed in the sleeve 5, the sealing cover 3 is closed, and the fishing cage 1 is placed in the breeding pond through the lifting ear 4. Then the attractant is dispersed in the water through the sleeve 5 to attract the shrimps. The shrimps enter the fishing cage 1 through the connecting pipe 2 and apply external force to the baffle 11 to flip it over, thereby achieving the capture of the shrimps. During the capture process, the partition 6 can separate the fishing cage 1 to avoid shrimp aggregation. At the same time, when the number of shrimps in each compartment is large, the squeezing of the shrimps will compress the spring 7, and then the buffer plate 8 will rotate around one end of the partition 6, which can increase the area of ​​the compartment, and further reduce the mutual squeezing force between the shrimps, avoiding shrimp damage due to the large squeezing force, effectively protecting the shrimps and improving the capture effect of the device. At the same time, the retaining ring 9 can make the rotation direction of the baffle 11 unidirectional, thereby preventing the shrimps from escaping through the connecting pipe 2.

[0029] The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A shrimp farming non-injury fishing device, characterized by: The invention comprises a fishing cage (1), wherein a sleeve (5) is fixed in the middle of the fishing cage (1), four groups of partitions (6) are circumferentially evenly spaced between the outer wall of the sleeve (5) and the inner wall of the fishing cage (1), two groups of springs (7) are installed in an array on one side wall of the partition (6), and a buffer plate (8) is fixed at one end of the spring (7).

2. A shrimp farming non-injury fishing device according to claim 1, characterized in that: The sleeve (5) is formed inside the fishing tube, and the outer wall of the sleeve (5) is a hollow structure.

3. A shrimp farming non-injury fishing device according to claim 2, characterized in that: The partition (6) is welded between the fishing cage (1) and the sleeve (5), and both ends of the spring (7) are respectively welded to the partition (6) and the buffer plate (8), and one end of the buffer plate (8) is hinged to the partition (6).

4. A shrimp farming non-injury fishing device according to claim 3, characterized in that: The upper end of the fishing cage (1) is connected to a sealing cover (3) via threads, and both the fishing cage (1) and the sealing cover (3) are hollow structures.

5. The shrimp farming non-injury fishing device according to claim 4 is characterized by: A lifting lug (4) is welded to the middle of the upper end of the sealing cover (3), and four groups of connecting pipes (2) are circumferentially distributed on the outer wall of the fishing cage (1).

6. The shrimp farming non-injury fishing device according to claim 5, characterized in that: A retaining ring (9) is welded on the inner wall of the connecting pipe (2), and a support (10) is fixed on one side wall of the retaining ring (9).

7. The shrimp farming non-injury fishing device according to claim 6, characterized in that: A baffle (11) is rotatably mounted in the support (10), and the outer diameter of the baffle (11) is greater than the inner diameter of the baffle ring (9).

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