A circular spawning tank for freshwater fish breeding

Abstract

This utility model relates to the field of fish farming technology and discloses a ring-shaped spawning induction tank for freshwater fish breeding. The tank includes a tank body with a sloping bottom plate fixedly installed on the lower inner wall. A bottom sealing plate is fixedly installed at the bottom of the tank body. A sealing rotating ring A is embedded inside the sloping bottom plate. A connecting pipe is rotatably installed inside the sealing rotating ring A. A sealing gasket is fitted on the outer side of the connecting pipe and embedded in the inner wall of the sealing rotating ring A. Through holes are provided on the sloping surface and top of the connecting pipe. A motor reducer drives a drive gear to rotate, which in turn drives a transmission gear to rotate. The transmission gear rotates the connecting pipe synchronously, which in turn rotates four curved scrapers that slowly rotate. The curved scrapers are bent and scrape the excrement towards the central connecting pipe, thus automatically cleaning the excrement from the sloping bottom plate.

Description

Technical Field

[0001] This utility model relates to the field of fish farming technology, specifically to a ring-shaped spawning tank for freshwater fish breeding. Background Technology

[0002] In recent years, with the continuous rise of my country's aquaculture industry, it has shown an explosive development trend. Artificial breeding of fish fry has become the fundamental solution to the current development of aquaculture. When inducing spawning, the broodstock are raised in cement ponds.

[0003] When fish are raised in spawning ponds, they produce a large amount of excrement. This excrement accumulates at the bottom of the pond, which in turn affects the water quality. The conventional treatment method is to use water circulation to filter the excrement. However, the existing pond bottom is flat, which makes it difficult for the excrement to flow to the central drain pipe. At the same time, if it is not cleaned for a long time, the excrement will also adhere to the bottom wall of the pond, thus affecting the spawning effect. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a circular spawning tank for freshwater fish breeding, which has the advantage of automatically cleaning the bottom of the tank and excrement, thus solving the aforementioned problems.

[0006] (II) Technical Solution

[0007] To achieve the aforementioned purpose of automatically cleaning excrement from the bottom of the pond, this utility model provides the following technical solution: A ring-shaped spawning pond for freshwater fish breeding, comprising a pond body, an inclined bottom plate fixedly installed on the lower inner wall of the pond body, a bottom sealing plate fixedly installed on the bottom of the pond body, a sealing rotating ring A embedded inside the inclined bottom plate, a connecting pipe rotatably installed inside the sealing rotating ring A, a sealing gasket fitted on the outer side of the connecting pipe, the sealing gasket being embedded in the inner wall of the sealing rotating ring A, through holes being provided on the inclined surface and top of the outer wall of the connecting pipe, a fixing ring fixedly fitted on the outer wall of the connecting pipe, four curved scrapers fixedly installed on the outer wall of the fixing ring, a transmission gear fixedly installed on the outer wall of the connecting pipe and below the sealing rotating ring A, a drive gear meshing with the side of the transmission gear, the drive gear being fixedly installed with the output end of a motor reducer, and the motor reducer being fixedly connected to the bottom of the inclined bottom plate through a motor bracket.

[0008] Preferably, a drain pipe is movably installed at the bottom of the connecting pipe via a sealing swivel B, and a drain bend is fixedly installed at the other end of the drain pipe via a flange. A water filter is fixedly installed at the top of the drain bend via a flange, and the top of the water filter is fixedly installed to a water pump via a flange. A return bend is fixedly installed at the drain end of the water pump via a flange. The water filter and the water pump are fixedly installed to the outer wall of the pool via a fixing ring frame.

[0009] Preferably, four annularly arranged insertion tubes are fixedly installed on the outer wall of the pool body, a locking nut is fixedly installed on the outer wall of the insertion tube, a locking bolt is connected to the internal thread of the locking nut, an insertion rod is inserted inside the insertion tube, a top plate is fixedly installed at the top of the insertion rod, and an LED light is fixedly installed at the bottom of the top plate.

[0010] Preferably, the bottom of the curved scraper matches the surface of the inclined pool bottom plate, and the end of the curved scraper near the fixed ring matches the inclined surface of the connecting pipe.

[0011] Preferably, the water filter is a pre-filter with a rinsing function, and the motor reducer and water pump are both electrically connected to the PLC controller.

[0012] (III) Beneficial Effects

[0013] Compared with the prior art, this utility model provides a circular spawning tank for freshwater fish breeding, which has the following beneficial effects:

[0014] 1. This annular spawning tank for freshwater fish breeding uses a motor reducer to drive the active gear to rotate, which in turn drives the transmission gear to rotate. The transmission gear rotates synchronously with the connecting pipe, which in turn rotates slowly with four curved scrapers. The curved scrapers are designed to bend and scrape the excrement towards the central connecting pipe, thereby automatically cleaning the excrement on the sloping bottom of the tank.

[0015] 2. This freshwater fish breeding ring-shaped spawning induction tank operates via a water pump. Negative pressure draws excrement into a connecting pipe, where it flows through a drain pipe and a drain bend into a water filter for treatment. The water is then pumped back into the return bend and finally returns to the tank. This water return also increases oxygen levels in the water. Inserted poles are installed on the outside of the tank, with LED lights at one end. These LED lights simulate natural ambient light, further enhancing the spawning induction effect. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the planar cross-sectional structure of the pool body of this utility model;

[0019] Figure 4 This is a schematic diagram of the curved scraper, motor reducer, water filter and water pump of this utility model.

[0020] Figure 5 This is an exploded structural diagram of the sealing rotating ring A, the connecting pipe, the curved scraper, and the motor reducer of this utility model;

[0021] Figure 6 This is a cross-sectional structural diagram of the sealing rotating ring A, the connecting pipe, the curved scraper, and the motor reducer of this utility model;

[0022] Figure 7 This is a bottom view of the structure of the insertion rod, top plate, and LED light of this utility model.

[0023] In the diagram: 1. Pool body; 2. Sloping pool bottom plate; 3. Pool bottom sealing plate; 4. Sealing ring A; 5. Sealing gasket; 6. Connecting pipe; 7. Through hole; 8. Fixing ring; 9. Curved scraper; 10. Transmission gear; 11. Drive gear; 12. Motor reducer; 13. Motor bracket; 14. Sealing ring B; 15. Drain pipe; 16. Drain bend; 17. Water filter; 18. Water pump; 19. Return bend; 20. Fixing ring frame; 21. Insert pipe; 22. Locking nut; 23. Locking bolt; 24. Insert rod; 25. Top plate; 26. LED light. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1, please refer to Figure 1-6 A circular spawning induction tank for freshwater fish breeding includes a tank body 1, which is arranged in a circular ring, or can be semi-buried underground depending on the situation; a sloping tank bottom plate 2 is fixedly installed on the lower inner wall of the tank body 1, and the slope of the sloping tank bottom plate 2 is 5-10°; a tank bottom sealing plate 3 is fixedly installed at the bottom of the tank body 1, and a sealing rotating ring A4 is embedded inside the sloping tank bottom plate 2. A connecting pipe 6 is rotatably installed inside the sealing rotating ring A4, and a sealing gasket 5 is fitted on the outside of the connecting pipe 6. The sealing gasket 5 is embedded in the inner wall of the sealing rotating ring A4, and through holes 7 are opened on the sloping surface of the outer wall of the connecting pipe 6 and at its top.

[0026] Please see Figure 1-6 A fixing ring 8 is fixedly fitted to the outer wall of the connecting pipe 6. Four curved scrapers 9 are fixedly installed on the outer wall of the fixing ring 8. The bottom of the curved scrapers 9 matches the surface of the inclined pool bottom plate 2, and the end of the curved scraper 9 near the fixing ring 8 matches the inclined surface of the connecting pipe 6. When the curved scrapers 9 rotate, they can scrape the excrement on the surface of the inclined pool bottom plate 2 and collect it near the connecting pipe 6.

[0027] Please see Figure 1-6 A transmission gear 10 is fixedly installed on the outer wall of the connecting pipe 6, below the sealing ring A4. A drive gear 11 meshes with the side of the transmission gear 10. The drive gear 11 is fixedly installed at the output end of the motor reducer 12. The motor reducer 12 is fixedly connected to the bottom of the inclined pool bottom plate 2 via a motor bracket 13. The motor reducer 12 drives the drive gear 11 to rotate, which in turn drives the transmission gear 10 and the connecting pipe 6 to rotate.

[0028] Please see Figure 1-6 A drain pipe 15 is movably installed at the bottom of the connecting pipe 6 via a sealing swivel ring B14. A drain bend 16 is fixedly installed at the other end of the drain pipe 15 via a flange. An electromagnetic valve can also be installed on the outside of the drain pipe 15 to ensure that water is cut off in the drain pipe 15 when there is no water circulation. A water filter 17 is fixedly installed at the top of the drain bend 16 via a flange. The water filter 17 is a pre-filter with a flushing function, used to flush excrement to the outside. The top of the water filter 17 is fixedly installed to the water pump 18 via a flange. Both the motor reducer 12 and the water pump 18 are electrically connected to the PLC controller. A return bend 19 is fixedly installed at the drain end of the water pump 18 via a flange. The water filter 17 and the water pump 18 are fixedly installed to the outer wall of the pool body 1 via a fixing ring frame 20. The water pump 18 can extract excrement near the connecting pipe 6, and the water can be filtered by the water filter 17.

[0029] If the fish have already laid eggs in pond 1, an additional intercepting net needs to be placed in pond 1 to ensure that the fish eggs are not sucked away. At the same time, if the fish have already laid eggs, they need to be caught and transferred to other aquaculture ponds. Meanwhile, the curved scraper 9 is rotated periodically according to the aquaculture situation.

[0030] Example 2, please refer to Figure 7Based on Embodiment 1, four annularly arranged insertion tubes 21 are fixedly installed on the outer wall of the pool body 1. Locking nuts 22 are fixedly installed on the outer wall of each insertion tube 21, and locking bolts 23 are threaded into the internal parts of the locking nuts 22. Insertion rods 24 are inserted into the inside of each insertion tube 21, and a top plate 25 is fixedly installed at the top of each insertion rod 24. An LED light 26 is fixedly installed at the bottom of the top plate 25. The LED light 26 simulates ambient lighting to increase induced labor efficiency.

[0031] The motor reducer 12, water filter 17, water pump 18 and LED light 26 are all references to existing technologies, and will not be described in detail in this application. When using them, the preferred ones can be selected under the premise of meeting the driving conditions.

[0032] Working principle: During use, the motor reducer 12 drives the drive gear 11 to rotate, which in turn drives the transmission gear 10 to rotate. The transmission gear 10 drives the connecting pipe 6 to rotate synchronously, and the connecting pipe 6 then drives the four curved scrapers 9 to rotate slowly. The curved scrapers 9 are bent and scrape the excrement towards the central connecting pipe 6, thereby automatically cleaning the excrement on the sloping bottom plate 2.

[0033] The negative pressure suction of the water pump 18 draws the excrement into the connecting pipe 6. The excrement then flows through the drain pipe 15 and drain bend 16 into the water filter 17 for filtration. The water is then pumped back into the return bend 19 by the water pump 18, and finally returns to the pool body 1. This water return also increases oxygen levels in the water, thus improving oxygenation. An insert rod 24 is installed on the outside of the pool body 1, with an LED light 26 at one end. The LED light 26 simulates natural ambient light, thereby enhancing the fertilization effect.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A circular spawning tank for freshwater fish breeding, comprising a tank body (1), wherein a sloping tank bottom plate (2) is fixedly installed on the lower part of the inner wall of the tank body (1), and a tank bottom sealing plate (3) is fixedly installed on the bottom of the tank body (1), characterized in that: A sealing ring A (4) is embedded inside the inclined pool bottom plate (2). A connecting pipe (6) is rotatably installed inside the sealing ring A (4). A sealing gasket (5) is fitted on the outside of the connecting pipe (6). The sealing gasket (5) is embedded in the inner wall of the sealing ring A (4). Through holes (7) are opened on the inclined surface of the outer wall of the connecting pipe (6) and at its top. A fixing ring (8) is fixedly fitted on the outer wall of the connecting pipe (6). Four curved scrapers (9) are fixedly installed on the outer wall of the fixing ring (8). A transmission gear (10) is fixedly installed on the outer wall of the connecting pipe (6) and below the sealing ring A (4). A drive gear (11) meshes with the side of the transmission gear (10). The drive gear (11) is fixedly installed with the output end of the motor reducer (12). The motor reducer (12) is fixedly connected to the bottom of the inclined pool bottom plate (2) through the motor bracket (13).

2. The annular spawning induction tank for freshwater fish breeding according to claim 1, characterized in that: A drain pipe (15) is movably installed at the bottom of the connecting pipe (6) via a sealing swivel ring B (14). A drain bend (16) is fixedly installed at the other end of the drain pipe (15) via a flange. A water filter (17) is fixedly installed at the top of the drain bend (16) via a flange. The top of the water filter (17) is fixedly installed to a water pump (18) via a flange. A return bend (19) is fixedly installed at the drain end of the water pump (18) via a flange. The water filter (17) and the water pump (18) are fixedly installed to the outer wall of the pool body (1) via a fixing ring frame (20).

3. The annular spawning tank for freshwater fish breeding according to claim 1, characterized in that: The outer wall of the pool body (1) is fixedly installed with four annularly arranged insertion tubes (21). The outer wall of the insertion tubes (21) is fixedly installed with locking nuts (22). The locking nuts (22) are internally threaded with locking bolts (23). Insertion rods (24) are inserted inside the insertion tubes (21). A top plate (25) is fixedly installed at the top of the insertion rods (24). An LED light (26) is fixedly installed at the bottom of the top plate (25).

4. The annular spawning tank for freshwater fish breeding according to claim 1, characterized in that: The bottom of the curved scraper (9) matches the surface of the inclined pool bottom plate (2), and the end of the curved scraper (9) near the fixed ring (8) matches the inclined surface of the connecting pipe (6).

5. The annular spawning induction tank for freshwater fish breeding according to claim 2, characterized in that: The water filter (17) is a pre-filter with a rinsing function, and the motor reducer (12) and the water pump (18) are both electrically connected to the PLC controller.

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