CN113057125A

CN113057125A - Fish egg incubator

Info

Publication number: CN113057125A
Application number: CN202110332272.1A
Authority: CN
Inventors: 冯国祯
Original assignee: Individual
Current assignee: Yunnan Maowan Aquaculture Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-07-02
Anticipated expiration: 2041-03-29
Also published as: CN113057125B

Abstract

The invention relates to the technical field of fish farming equipment and discloses a fish egg incubator which comprises a first incubator, a second incubator and fish eggs. Through the setting of spring and hatching board, make under the pulling force effect of spring, the hatching board descends fast, the water that is located the hatching board below passes through the through-hole fast, and promote rotatory impeller and rotate, form the bubble, increase the dissolved oxygen volume of aquatic, provide required oxygen for the roe, improve roe incubation speed, simultaneously through the setting of inlet opening and injector head, on the one hand, make the water in the side case get into from the bottom of incubator one, then rise, further increase the oxygen content of incubator one well water, on the other hand, after the hatching board descends fast, because the egg membrane breaks the buoyancy that leads to rotten roe to receive is far less than intact roe, and then rotten roe descent speed is faster than intact roe, after ruptured roe falls, receive the rivers impact that the injector head came out, and then reject.

Description

Fish egg incubator

Technical Field

The invention relates to the technical field of fish farming equipment, in particular to a fish egg incubator.

Background

At present, in fishery culture, fry hatching and breeding links are separated, the common method is that fertilized eggs are placed in a hatching pond firstly, flowing water is used for hatching, then, the fry hatched from the fertilized eggs are transferred to an outdoor pond to be cultured into standard fry or directly cultured into commercial fishes, but the existing fry hatching device has some defects as follows:

firstly, in the process of spawn hatching, various conditions need to be met, such as oxygen content, the continuous running water of the existing device provides required oxygen for the spawn, but the flowing speed of the running water is easily limited, the spawn is easily impacted by overlarge pressure, the spawn is broken, the hatching rate is affected, enough oxygen cannot be provided by undersize pressure, and the hatching rate and the quality of the hatched fries are also affected.

Secondly, at the hatching process, under uncontrollable factor, lead to the egg membrane to break, form the fish egg of necrosis, then need clear away the fish egg of necrosis this moment, avoid the fish egg of necrosis to cause the influence to intact fish egg, and pollute water quality, but the fish egg of necrosis of current clearance then clears away one by one through the manual work, and this process not only consumes a large amount of cost of labor, still is easily at the in-process of selecting, causes the damage to intact fish egg, influences the hatchability again.

Disclosure of Invention

The invention provides a fish egg incubator which has the advantages of good incubation condition and capability of quickly cleaning dead eggs, and solves the problems in the background technology.

The invention provides the following technical scheme: a fish egg incubator comprises a first incubator, a second incubator and fish eggs, wherein the first incubator is the same as the second incubator in specification, the second incubator is located on the right side of the first incubator and has a height difference of 10cm with the first incubator, a connecting pipe is fixedly connected between the first incubator and the second incubator, water is uniformly filled in the first incubator and the second incubator, a water outlet is fixedly installed at the top of the right side of the second incubator, a spring is symmetrically and fixedly connected with an inner cavity of the first incubator, an incubator plate is fixedly connected with the top end of the spring, the fish eggs are uniformly distributed on the upper surface of the incubator plate, lifting ropes are fixedly connected to the middle portions of the left side and the right side of the upper surface of the incubator plate, a central shaft is symmetrically and movably installed at the top of the first incubator, a stirring impeller is movably sleeved on the central shaft, and a central shaft is fixedly sleeved at the middle portion of the central shaft, the winding has the lifting rope on the center pin, the one end and the line wheel fixed connection of lifting rope, the front side fixed mounting of incubator one has the side case, movable mounting has the pulling shaft in the side case, fixed joint has power impeller on the pulling shaft, power impeller cup joints with the front end activity of center pin, the front end fixed mounting of center pin has square piece, square groove has been seted up to the afterbody of pulling shaft, the afterbody activity joint of center pin front end and pulling shaft, the front swing joint that the front end of pulling shaft just is located the side case has the connecting rod, the left side fixed mounting of incubator one has the mouth of flow equalizing.

Preferably, the last even fixed mounting of hatching board has the arc piece, the even fixed mounting in inside of arc piece has the through-hole, the inside movable mounting of through-hole has rotatory impeller.

Preferably, the water inlet has been seted up to the inside of side case, the inside of side case and the bottom fixed mounting who is located the water inlet have the injector head, the export of dead ovum has all been seted up to the right side bottom of incubator one and incubator two.

Preferably, the hatching plate is inclined at an angle of 5-10 degrees with the horizontal plane, a cushion pad is fixedly mounted at the bottom of an inner cavity of the first hatching box, the cushion pad is in a right triangle shape, the inclined angle of the inclined edge is the same as that of the hatching plate, and the cushion pad is made of rubber.

Preferably, the temperature of the water injected into the flow equalizing port is 1-1.5 degrees different from that of the water injected into the side tank.

Preferably, the liquid level of the water in the side box is higher than that in the first incubator.

The invention has the following beneficial effects:

1. through the setting of spring and hatching board, make under the pulling force effect of spring, the hatching board descends fast, the water that is located the hatching board below passes through the through-hole fast, and promote rotatory impeller and rotate, form the bubble, increase the dissolved oxygen volume in aquatic, provide required oxygen for the roe, improve roe incubation speed, simultaneously through the setting of inlet opening and injector head, on the one hand, make the water in the side case get into from the bottom of incubator one, then rise, further increase the oxygen content of water in incubator one, on the other hand, after the hatching board descends fast, because the buoyancy that the ovum membrane rupture leads to rotten roe to receive is far less than intact roe, and then rotten roe descent speed is faster than intact roe, after the cracked roe falls, receive the rivers impact that the injector head came out, and then reject, remain intact roe, avoid bad roe to pollute good roe and quality of water, increasing the quality of hatching.

2. Through stirring impeller's setting, avoid directly dashing to the roe from the rivers that flow equalize the mouth and dash down, avoid rivers direct impact roe, improve the security of roe, and strike stirring impeller's in-process, it is rotatory to drive stirring impeller, and then make stirring impeller choose peripheral water and air contact, further increase dissolved oxygen volume, and simultaneously, be-degree slope's setting between hatching board and the level, make the perpendicular distance that is located the roe distance of hatching board upper surface littleer and smaller, avoid just advancing great fluctuation that rivers formed to influence the roe on the one hand, on the other hand, the water source oxygen content of import department is great, along with the flow of water, distribute gradually on follow-up roe, guarantee that the peripheral oxygen volume of roe of each part is close, improve incubation quality.

3. The temperature difference of 1-1.5 degrees is set for the temperature of water flow entering the flow equalizing port and the side box, so that the water flow and the water flow enter the incubator from the top and the bottom of the first incubator respectively, small-amplitude temperature change is formed in the first incubator, the lifting force of fish eggs is enhanced, and the hatching rate and the survival rate of fish fries are improved.

Drawings

FIG. 1 is a schematic top view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a front view of a partial schematic of the structure of the present invention;

FIG. 4 is a schematic view of the structure of the present invention showing the connection of the central shaft to the pulling shaft;

FIG. 5 is a schematic view of the structure of the present invention showing the installation of the pulling shaft and the power impeller;

FIG. 6 is an enlarged view of the point A in FIG. 2.

In the figure: 1. a first incubator; 2. a second incubator; 3. a cushion pad; 4. a spring; 5. hatching plates; 6. a lifting rope; 7. a central shaft; 8. agitating the impeller; 9. a wire wheel; 10. a side box; 11. pulling a shaft; 12. a powered impeller; 13. a connecting rod; 14. a water inlet hole; 15. an injector head; 16. a flow equalizing port; 17. an arc-shaped block; 18. a through hole; 19. rotating the impeller; 20. fish eggs; 21. a ratchet structure; 22. a dead egg outlet; 23. a water flow outlet; 24. water; 25. and (4) connecting the pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a fish egg incubator comprises a first incubator 1, a second incubator 2 and fish eggs 20, wherein the first incubator 1 and the second incubator 2 are the same in specification, the second incubator 2 is positioned on the right side of the first incubator 1 and has a height difference of 10cm from the first incubator 1, a connecting pipe 25 is fixedly connected between the first incubator 1 and the second incubator 2, the first incubator 1 and the second incubator 2 are uniformly filled with water 24, a water outlet 23 is fixedly installed at the top of the right side of the second incubator 2, springs 4 are symmetrically and fixedly connected to an inner cavity of the first incubator 1, an incubator plate 5 is fixedly connected to the top end of each spring 4, the fish eggs 20 are uniformly distributed on the upper surface of the incubator plate 5, lifting ropes 6 are fixedly connected to the middle portions of the left side and the right side of the upper surface of the incubator plate 5, a central shaft 7 is symmetrically and movably installed at the top of the first incubator 1, stirring impellers 8 are movably sleeved on the central shaft, the fixed center pin 7 that has cup jointed in middle part of center pin 7, the winding has lifting rope 6 on the center pin 7, the one end and the line wheel 9 fixed connection of lifting rope 6, incubator 1's front side fixed mounting has side case 10, movable mounting has pulling shaft 11 in the side case 10, fixed joint has power impeller 12 on the pulling shaft 11, power impeller 12 cup joints with the front end activity of center pin 7, the front end fixed mounting of center pin 7 has square piece, square groove has been seted up to the afterbody of pulling shaft 11, the afterbody movable joint of center pin 7 front end and pulling shaft 11, the preceding swing joint that the front end of pulling shaft 11 just is located side case 10 has connecting rod 13, incubator 1's left side fixed mounting has flow equalizing mouth 16.

Wherein, the last even fixed mounting of hatching board 5 has arc piece 17, the even fixed mounting in inside of arc piece 17 has through-hole 18, and the inside movable mounting of through-hole 18 has rotatory impeller 19, and when releasing hatching board 5, under the pulling force effect of spring 4, hatching board 5 descends fast for water passes through-hole 18, promotes rotatory impeller 19 simultaneously and rotates, forms the bubble, increases the dissolved oxygen volume in aquatic, improves roe 20 hatching speed.

Wherein, inlet opening 14 has been seted up to the inside of side case 10, the inside of side case 10 and the bottom fixed mounting who is located inlet opening 14 have injector head 15, dead egg export 22 has all been seted up to the right side bottom of 1 and 2, after 5 descend fast at the hatching board, because the egg membrane breaks the buoyancy that leads to rotten roe 20 to receive is far less than perfect roe 20, and then rotten roe 20 descending speed is faster than perfect roe 20, after cracked roe 20 falls, receive the water impact that injector head 15 came out, and then reject, remain perfect roe 20, avoid bad roe 20 good roe 20 and the quality of water of pollution.

Wherein, be 5-10 degrees slopes between hatching board 5 and the level, incubator 1's inner chamber bottom fixed mounting has blotter 3, blotter 3 is right triangle, and the inclination of hypotenuse is the same with hatching board 5's inclination, blotter 3 is made by rubber, pour into incubator 1 back into from the mouth 16 that flow equalizes when water, flow to the right gradually, avoid the rivers that just advance to cause great fluctuation to roe 20, simultaneously, can provide sufficient running water and oxygen for subsequent roe 20.

Wherein, the temperature difference between the water injected into the flow equalizing port 16 and the water injected into the side box 10 is 1-1.5 degrees, so that the water and the water enter from the top and the bottom of the incubator 1 respectively, a small temperature change is formed in the incubator 1, the lifting force of the roes 20 is enhanced, and the hatching rate and the survival rate of fries are improved.

Wherein the liquid level of the water in the side box 10 is higher than that in the first incubator 1.

According to the working principle, water is filled into a first incubator 1 and a second incubator 2, then a water flow in a side box 10 is utilized to drive a power impeller 12 to rotate, the power of a pulling shaft 11 is transmitted to a wire wheel 9 through a central shaft 7 and is wound along with a lifting rope 6, so that an incubator plate 5 is lifted, fish eggs 20 are uniformly paved on the upper surface of the incubator plate 5, then water is filled into a flow equalizing port 16, the water flows out uniformly in the first incubator 1 of a water tank, firstly impacts a stirring impeller 8 to drive the stirring impeller 8 to rotate, then the water around the stirring impeller 8 is contacted with air, more oxygen is dissolved into the water, then the water flows out to the right and is gradually replaced with the water around the fish eggs 20, and the fish eggs 20 are ensured to have enough oxygen; when a certain amount of dead eggs are produced by the fish eggs 20, the connecting rod 13 is pulled to enable the pulling shaft 11 to be separated from the central shaft 7, the ratchet wheel structure 21 is unlocked, the wire wheel 9 is released, when the hatching plate 5 is released, the hatching plate 5 descends rapidly under the action of the pulling force of the spring 4, at the moment, water below the hatching plate 5 passes through the through hole 18 and pushes the rotary impeller 19 to rotate, bubbles are formed, the dissolved oxygen amount is enhanced, after the hatching plate 5 descends rapidly, the deteriorated fish eggs 20 are subjected to much smaller buoyancy force than the intact fish eggs 20 due to rupture of an egg membrane, the deteriorated fish eggs 20 descend faster than the intact fish eggs 20, after the broken fish eggs 20 descend, the broken fish eggs 20 are impacted by water flow coming out of the spray head 15 and float to one side, at the moment, the ratchet wheel structure 21 and the connecting rod 13 are pressed down rapidly, the pulling shaft 11 is connected with the central shaft 7 in a clamping mode, the pulling shaft 11 is under the impact of the water flow and is driven, drive the line wheel 9 and rotate, tighten up lifting rope 6 for hatching board 5 does not fall down at intact roe 20, accepts roe 20 promptly, avoids injection head 15 spun rivers to strike intact roe 20, rises to the highest position after hatching board 5, pulls open the pulling shaft 11, makes pulling shaft 11 and center pin 7 break away from, stops the transmission between power impeller 12 and the line wheel 9.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a fish egg incubator, includes incubator one (1), incubator two (2) and fish egg (20), incubator one (1) is the same with incubator two (2) specification, incubator two (2) are located the right side of incubator one (1) and differ 10cm with the height degree of incubator one (1), fixedly connected with connecting pipe (25) between incubator one (1) and incubator two (2), evenly fill in incubator one (1) and incubator two (2) has water (24), the right side top fixed mounting of incubator two (2) has water outflow (23), its characterized in that: the fish hatching box comprises a hatching box body (1), springs (4) and lifting ropes, wherein the springs (4) are symmetrically and fixedly connected to the inner cavity of the hatching box body (1), the hatching plates (5) are fixedly connected to the top ends of the springs (4), fish eggs (20) are uniformly distributed on the upper surface of the hatching plates (5), the lifting ropes (6) are fixedly connected to the middle portions of the left side and the right side of the upper surface of the hatching plates (5), a central shaft (7) is symmetrically and movably mounted at the top of the hatching box body (1), stirring impellers (8) are movably sleeved on the central shaft (7), the central shaft (7) is fixedly sleeved at the middle portion of the central shaft (7), the lifting ropes (6) are wound on the central shaft (7), one end of each lifting rope (6) is fixedly connected with a wire wheel (9), a side box body (10) is fixedly mounted at the front side of the hatching box body (1), a pulling shaft (11) is movably mounted in the, power impeller (12) cup joints with the front end activity of center pin (7), the front end fixed mounting of center pin (7) has square piece, square groove has been seted up to the afterbody of pulling shaft (11), the afterbody activity joint of center pin (7) front end and pulling shaft (11), the preceding swing joint that the front end of pulling shaft (11) just is located side case (10) has connecting rod (13), the left side fixed mounting of incubator (1) has flow equalizing mouth (16).

2. A fish egg incubator as claimed in claim 1 wherein: last even fixed mounting of hatching board (5) has arc piece (17), the even fixed mounting in inside of arc piece (17) has through-hole (18), the inside movable mounting of through-hole (18) has rotatory impeller (19).

3. A fish egg incubator as claimed in claim 1 wherein: the water inlet (14) have been seted up to the inside of side case (10), the inside of side case (10) and the bottom fixed mounting that is located water inlet (14) have injector head (15), dead egg export (22) have all been seted up to the right side bottom of incubator one (1) and incubator two (2).

4. A fish egg incubator as claimed in claim 1 wherein: the hatching plate is characterized in that the hatching plate (5) and the horizontal part are inclined at an angle of 5-10 degrees, a cushion pad (3) is fixedly installed at the bottom of an inner cavity of the hatching box I (1), the cushion pad (3) is in a right triangle shape, the inclined angle of a bevel edge is the same as that of the hatching plate (5), and the cushion pad (3) is made of rubber.

5. A fish egg incubator as claimed in claim 1 wherein: the temperature difference between the water injected into the flow equalizing port (16) and the water injected into the side tank (10) is 1-1.5 degrees.

6. A fish egg incubator as claimed in claim 1 wherein: the liquid level height of water in the side box (10) is larger than that of the water in the incubator I (1).