High-survival-rate leech hatching and cultivating pond

Abstract

The utility model discloses a high-survival-rate leech hatching and breeding pond, and relates to the technical field of leech breeding. Comprising a breeding pond, an annular bearing plate is placed at the top of the breeding pond, an annular groove is formed in the outer side of the annular bearing plate, an opening is formed in the middle of the annular bearing plate, a hatching barrel is movably placed in the opening, a plurality of second through holes are formed in the bottom of the hatching barrel, and a lifting frame is fixed to the top of the hatching barrel. According to the leech hatching device, the annular bearing plate and the hatching barrel are arranged, leech eggs on the light hatching table are hatched, hatched young leeches enter water in the hatching barrel and then enter the annular groove through the second through hole and the first through hole, the young leeches eat bait for a period of time, when part of the young leeches reach the corresponding specifications, the annular bearing plate is lifted upwards and shaken, and the young leeches are hatched through the annular bearing plate. The young leeches which do not conform to the specification fall into the cultivation pool through the first through hole, and the young leeches which are remained in the annular groove conform to the specification, so that the young leeches which conform to the specified diameter can be quickly screened.

Description

Technical Field

[0001] The utility model relates to the technical field of leech cultivation, in particular to a high-survival-rate leech hatching and cultivation pool. Background Technique

[0002] Leeches are a kind of medicinal aquatic animals with wide applications. With the increasing applications of leeches, the leeches in natural waters cannot meet the needs. Artificial cultivation of leeches has become an important way to solve the source of leeches. Artificial cultivation of leeches needs to solve the problems of leech cocoon hatching and juvenile leech cultivation.

[0003] The Chinese utility model patent, application publication number CN109392785A discloses a use method of a leech cocoon hatching and juvenile leech cultivation pool. During the leech breeding season, collect leech cocoons, place them on the hatching substrate in the hatching tray, adjust the humidity of the hatching substrate to make it meet the requirements for leech cocoon hatching. The leech cocoons hatch independently in the floating hatching tray. The hatched juvenile leeches attach and inhabit on the aquatic plants in the water body, take the juvenile snails bred by snails as bait, and the aeration microtube keeps continuous aeration. One-third to one-fourth of the water in the cultivation pool is changed regularly every day to keep the water quality in good condition and the juvenile leeches grow vigorously. When the juvenile leeches grow to 3 - 5 grams, select and grade them in time. The large-sized juvenile leeches are transferred to the leech breeding pool for breeding, and the small-sized juvenile leeches continue to be cultivated in the cultivation pool.

[0004] The above scheme solves the technical problems put forward in its background technique. However, in actual application, there are still certain problems in the above scheme. For example, in the above scheme, the hatched leeches are placed in the cultivation pool for preliminary cultivation, and then the juvenile leeches that meet the specifications are selected and put into the breeding pool, while the small-sized juvenile leeches continue to be cultivated in the cultivation pool. However, the juvenile leeches are mixed together in the cultivation pool, and it is difficult to select them manually. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-survival-rate leech hatching and cultivation pool to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: A high-survival-rate leech hatching and cultivation pool, including a cultivation pool. A circular bearing plate is placed on the top of the cultivation pool. An annular groove is formed on the outer side of the circular bearing plate. An opening is formed in the middle of the circular bearing plate. An incubation cylinder is movably placed in the opening. A plurality of second through holes are opened at the bottom of the incubation cylinder. A lifting frame is fixed at the top of the incubation cylinder;

[0007] A plurality of first through holes are opened at the bottom of the circular bearing plate. A bait cultivation tray is fixed on the inner wall of the annular groove of the circular bearing plate;

[0008] A water outlet pipe and a water inlet pipe are respectively and fixedly communicated with the bottom of the cultivation pool. An oxygen supplement component is connected between the water outlet pipe and the water inlet pipe;

[0009] A lightweight hatching platform is arranged inside the hatching cylinder.

[0010] Preferably, an L-shaped insertion plate is formed on the top of the annular bearing plate, and the L-shaped insertion plate is inserted on the top plate of the cultivation pool.

[0011] Preferably, the hatching cylinder includes a top cylinder body and a bottom cylinder body, and the connection between the top cylinder body and the bottom cylinder body is detachable and fixed.

[0012] Preferably, a plurality of guide rods are fixed on the side of the lightweight hatching platform, and a plurality of guide grooves are opened on the inner wall of the bottom cylinder body, and the guide grooves are adapted to the guide rods.

[0013] Preferably, a humidifying component is arranged at the bottom of the lifting frame;

[0014] The humidifying component includes a circular block, a water cavity is opened in the middle of the circular block, a plurality of humidifying nozzles are fixedly communicated with the bottom of the circular block, and a water replenishing pipe communicated with the water cavity is fixed on the top of the circular block.

[0015] Preferably, handles are fixed on both sides of the top end of the annular bearing plate.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] For this high-survival-rate leech hatching and cultivation pool, an annular bearing plate and a hatching cylinder are provided. The leech eggs on the lightweight hatching platform are hatched, and the hatched young leeches enter the water inside the hatching cylinder, and then enter the annular groove through the second through hole and the first through hole. The young leeches eat the bait for a period of time. When some young leeches reach the corresponding specifications, the annular bearing plate is lifted upward and shaken. The young leeches that do not meet the specifications fall into the cultivation pool through the first through hole, and the young leeches that meet the specifications remain in the annular groove. Therefore, the young leeches with a specified diameter can be quickly screened, with less manpower consumption and improved work efficiency.

[0018] At the same time, humidifying nozzles and a lightweight hatching platform are provided. Water can be evenly sprayed on the hatching substrate through the humidifying nozzles, so as to ensure the humidity of the hatching substrate and increase the survival rate of leech eggs.

[0019] In addition, a lightweight hatching platform is also provided. After the hatching cylinder is vertically placed in the cultivation pool, under the action of buoyancy, the lightweight hatching platform moves upward along the guide groove, so as to ensure that the lightweight hatching platform is always located on the top of the water surface, avoiding the leech eggs from contacting the water and floating away, and further improving the hatching survival rate of the leech eggs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the left side axonometric view of the present utility model;

[0021] Figure 2It is the right-side axonometric view of the present utility model;

[0022] Figure 3 It is the half-sectional view of the present utility model.

[0023] In the figure: 1, cultivation pond; 2, annular bearing plate; 201, L-shaped insertion plate; 202, first through hole; 3, hatching cylinder; 4, lifting frame; 5, humidification assembly; 501, circular block; 502, humidifying nozzle; 503, water supply pipe; 6, lightweight hatching table; 8, bait cultivation tray; 9, second through hole; 901, guiding groove; 10, water outlet pipe; 11, water inlet pipe. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] As Figures 1-3 shown, the present utility model provides a technical solution: a high-survival-rate leech hatching and cultivation pond, including a cultivation pond 1, an annular bearing plate 2 is placed on the top of the cultivation pond 1, and handles are fixed on both sides of the top end of the annular bearing plate 2. Specifically, an L-shaped insertion plate 201 is formed on the top of the annular bearing plate 2. After the annular bearing plate 2 is placed in the cultivation pond 1, the L-shaped insertion plate 201 is inserted into the top plate body of the cultivation pond 1, that is, the top plate body of the cultivation pond 1 supports the annular bearing plate 2, which is convenient to take the annular bearing plate 2 through the handle. An annular groove is formed on the outer side of the annular bearing plate 2, and the top diameter of the annular groove is larger than its bottom diameter. A hatching cylinder 3 is placed on the top of the cultivation pond 1, and the hatching cylinder 3 movably penetrates through the opening formed in the middle of the annular bearing plate 2.

[0026] As Figure 3 shown, a plurality of second through holes 9 are opened at the bottom of the hatching cylinder 3, and newly hatched young leeches can enter the breeding space between the hatching cylinder 3 and the cultivation pond 1 through the second through holes 9. A lifting frame 4 for conveniently taking the hatching cylinder 3 is fixed on the top of the hatching cylinder 3.

[0027] A plurality of first through holes 202 are formed in the bottom of the annular bearing plate 2. It should be noted that the aperture of the first through hole 202 is larger than that of the second through hole 9. Young leeches can enter the annular groove of the annular bearing plate 2 through the first through hole 202. Two bait culture trays 8 are fixed to the inner wall of the annular groove of the annular bearing plate 2. A gap is formed between the two bait culture trays 8. Snails or other small aquatic organisms for young leeches to eat are placed on the bait culture trays 8. It should be noted that in order to facilitate young leeches to swim onto the bait culture trays 8, the bait culture trays 8 are located below the water surface of the culture pond 1.

[0028] An outlet pipe 10 and an inlet pipe 11 are respectively and fixedly communicated with the bottom of the culture pond 1. An oxygen supplement component is connected between the outlet pipe 10 and the inlet pipe 11. To prevent young leeches from entering the outlet pipe 10 and the inlet pipe 11, microporous water pipe heads are fixed at the water inlet end or the water outlet end of the outlet pipe 10 and the inlet pipe 11. The water pump in the oxygen supplement component pumps the water at the bottom of the culture pond 1 to the oxygen supplement tank through the outlet pipe 10 for filtration and oxygenation, and then enters the culture pond 1 again through the inlet pipe 11, so as to improve the water quality and the oxygen content in the water of the culture pond 1, preferably improve the survival rate of young leeches. The oxygen supplement component is a mature prior art and will not be elaborated in this solution.

[0029] As Figure 2 and Figure 3 shown, a lightweight incubation platform 6 is arranged in the incubation cylinder 3. The incubation substrate is placed on the top of the lightweight incubation platform 6. In this solution, in order to facilitate placing the leech eggs on the incubation substrate, the incubation cylinder 3 includes a top cylinder body and a bottom cylinder body. The top cylinder body and the bottom cylinder body are detachably fixed. It can be understood that the fixing method can adopt detachable fixing methods such as screwing or magnetic connection.

[0030] A humidifying component 5 is arranged at the bottom of the lifting frame 4. Among them, the humidifying component 5 includes a circular block 501. A water cavity is formed in the middle of the circular block 501. A plurality of humidifying nozzles 502 are fixedly communicated with the bottom of the circular block 501. A water supply pipe 503 communicated with the water cavity is fixed to the top of the circular block 501. The water supply pipe 503 is externally connected to an external booster pump and a clean water source. In this way, water can be evenly sprayed on the incubation substrate through the humidifying nozzles 502, so as to ensure the humidity of the incubation substrate and increase the survival rate of leech eggs.

[0031] To prevent the leech eggs from coming into contact with water and floating away, a plurality of guide rods are fixed to the side of the lightweight incubation platform 6. A plurality of guide grooves 901 are formed in the inner wall of the bottom cylinder body, and the guide grooves 901 are adapted to the guide rods. In this way, after the incubation cylinder 3 is vertically placed in the culture pond 1, under the action of buoyancy, the lightweight incubation platform 6 moves upward along the guide grooves 901, so as to ensure that the lightweight incubation platform 6 is always located on the top of the water surface.

[0032] For the supplement of this solution, first install each accessory and cultivate the leech eggs. After a period of time, the leech eggs hatch, and the hatched young leeches enter the water inside the hatching cylinder 3, and then enter the annular groove through the second through hole 9 and the first through hole 202. The young leeches eat the bait. When some of the young leeches reach the corresponding specifications, lift the annular bearing plate 2 upward and shake it. The young leeches that do not meet the specifications fall into the cultivation pond 1 through the first through hole 202, and the young leeches that remain in the annular groove are those that meet the specifications.

[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended embodiments and their equivalents.

Claims

1. A high-survival-rate leech hatching and cultivation pond, comprising a cultivation pond (1), characterized in that: A ring-shaped bearing plate (2) is placed on the top of the cultivation pond (1). An annular groove is formed on the outer side of the ring-shaped bearing plate (2), and an opening is formed in the middle of the ring-shaped bearing plate (2). An incubation cylinder (3) is movably placed in the opening. A plurality of second through holes (9) are opened at the bottom of the incubation cylinder (3), and a lifting frame (4) is fixed at the top of the incubation cylinder (3). A plurality of first through holes (202) are opened at the bottom of the ring-shaped bearing plate (2), and a bait culture dish (8) is fixed to the inner wall of the annular groove of the ring-shaped bearing plate (2). A water outlet pipe (10) and a water inlet pipe (11) are respectively and fixedly communicated with the bottom of the cultivation pond (1), and an oxygen supplement component is connected between the water outlet pipe (10) and the water inlet pipe (11). A lightweight incubation platform (6) is arranged in the incubation cylinder (3).

2. The high-survival-rate leech hatching and cultivation pond according to claim 1, wherein: An L-shaped insertion plate (201) is formed on the top of the ring-shaped bearing plate (2), and the L-shaped insertion plate (201) is inserted into the top plate body of the cultivation pond (1).

3. A high-survival-rate leech hatching and cultivation pond according to claim 1, characterized in that: The incubation cylinder (3) includes a top cylinder body and a bottom cylinder body, and the top cylinder body and the bottom cylinder body are detachably fixed to each other.

4. A high-survival-rate leech hatching and cultivation pond according to claim 3, characterized in that: A plurality of guide rods are fixed to the side surface of the lightweight incubation platform (6), and a plurality of guide grooves (901) are opened on the inner wall of the bottom cylinder body. The guide grooves (901) are adapted to the guide rods.

5. A high-survival-rate leech hatching and cultivation pond according to claim 1, characterized in that: A humidifying component (5) is arranged at the bottom of the lifting frame (4). The humidifying component (5) includes a circular block (501). A water cavity is opened in the middle of the circular block (501). A plurality of humidifying nozzles (502) are fixedly communicated with the bottom of the circular block (501), and a water replenishing pipe (503) communicated with the water cavity is fixed to the top of the circular block (501).

6. A high-survival-rate leech hatching and cultivation pond according to claim 1, characterized in that: Handles are fixed to both sides of the top end of the ring-shaped bearing plate (2).

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