CN114557325B

CN114557325B - Harmless collector of crab seedling

Info

Publication number: CN114557325B
Application number: CN202210200401.6A
Authority: CN
Inventors: 卢占晖; 朱文斌; 戴乾
Original assignee: Zhejiang Marine Fisheries Research Institute
Current assignee: Zhejiang Marine Fisheries Research Institute
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-11-11
Anticipated expiration: 2042-03-03
Also published as: CN114557325A

Abstract

The invention relates to the technical field of crab larva breeding, and particularly provides a crab larva nondestructive collector which comprises a containing box and a catching box, wherein the catching box comprises a shell, climbing plates, a baffle, a larva separating box and a larva separating pipeline, the two climbing plates are obliquely arranged on two sides of the larva separating box, the baffle is connected with the two climbing plates, grids are arranged on the baffle and the climbing plates, the larva separating box is fixed below the baffle, two ends of the larva separating pipeline are communicated with the larva separating box and the containing box, the climbing plates and the baffle are used for separating the shell into an upper containing cavity and a lower containing cavity, and the shell is provided with a larva inlet and a larva outlet; the lower surface of crawl board still is provided with prevents stifled mechanism, prevents that stifled mechanism includes slide bar, brush head, push pedal and two slide rails, and the slope of crawl board sets up the space that has reduced the upper chamber that holds, makes the crab seedling can only remove along crawl board, separates big and small crab seedling through the grid on crawl board, baffle and the branch seedling box, makes little crab seedling can be separated fishing the in-process, has alleviateed the damage that the fishing in-process led to the fact the crab seedling.

Description

Crab larva nondestructive collector

Technical Field

The invention relates to the technical field of crab larva breeding, in particular to a crab larva nondestructive collector.

Background

The method is characterized in that the spring is a key period for breeding crabs, the selection and the putting of crab seedlings determine the yield and the benefit of the annual final breeding, crab farmers carefully identify the quality of the crab seedlings, select high-quality crab seedlings to put in accurately, the crab seedlings are bred in different putting times due to different nutrient absorption, the breeding volumes are different, when the crab seedlings are caught, the crab seedlings with different sizes are generally uniformly caught, unqualified crab seedlings are put in the stocking after catching, during the catching and putting, the young crab seedlings are easy to damage, the quality of the released crab seedlings is poor, and when the fishing box is used, the crab seedlings are stored in the fishing box for a long time due to overlong crab seedling catching time, and the crab seedlings positioned at the bottommost of the fishing box are easy to be crushed by the crab seedlings above the fishing box.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problem that small crab seedlings are easy to damage when the crab seedlings are caught, the invention provides a crab seedling nondestructive collector to solve the problem.

The technical scheme adopted by the invention for solving the technical problems is as follows: a crab larva nondestructive collector comprises a storage box and a catching box arranged at the top of the storage box, wherein the catching box comprises a shell, climbing plates, a baffle, a larva distribution box and larva distribution pipelines, the two climbing plates are obliquely arranged on two sides of the larva distribution box, the baffle is connected with the upper edges of the two climbing plates, grids are arranged on the baffle and the climbing plates, the larva distribution box is fixed below the baffle, openings are formed in the baffle corresponding to the larva distribution box, two ends of the larva distribution pipeline are respectively communicated with the larva distribution box and the storage box, the climbing plates, the baffle, the larva distribution box and the larva distribution pipelines are arranged in the shell, the climbing plates and the baffle are used for dividing the larva distribution box into an upper accommodating cavity and a lower accommodating cavity, a larva inlet and a larva outlet are formed in the position, close to the bottom, of the shell, the larva inlet is communicated with the upper accommodating cavity, and the larva outlet is communicated with the lower accommodating cavity;

the lower surface of crawling board still is provided with prevents stifled mechanism, prevent stifled mechanism and include slide bar, brush head, push pedal and two slide rails, the slide rail is fixed on crawling board, the both ends slidable mounting of slide bar is in the slide rail, brush head with the push pedal is fixed on the slide bar, brush head with the lower surface butt of crawling board.

Preferably, the number of the emergence openings is two, an emergence channel is formed between the two emergence openings, and the push plate is positioned in the emergence channel.

Preferably, the seedling separating pipeline is an L-shaped pipeline, the seedling separating pipeline is horizontally arranged at one end connected with the seedling separating box, and the seedling separating pipeline is vertically arranged at one end connected with the containing box.

Preferably, be provided with the baffle in the containing box, the border department of baffle with the inner wall sealing connection of containing box, the baffle will the containing box separates into upper box and lower floor's box, divide the seedling pipeline to be provided with two, one of them divides seedling pipeline intercommunication divide seedling box and upper box, and another divides seedling pipeline to run through intercommunication behind the baffle divide seedling box and lower floor's box.

Preferably, each outlet of each seedling separating pipeline is provided with a slow descending plate, the slow descending plates are obliquely arranged, the upper ends of the slow descending plates abut against the seedling separating pipelines, and the projection of the outlets of the seedling separating pipelines towards the direction of the slow descending plates completely falls on the upper surfaces of the slow descending plates.

Preferably, the bottom of the seedling separating box is separated from the containing box and is provided with a grid.

Preferably, the top of the housing and the side wall of the storage box are provided with observation windows, and the side wall of the storage box is further provided with two collecting ports which are respectively communicated with the upper-layer box body and the lower-layer box body.

Preferably, the containing box is further provided with a feeding pipe, and the feeding pipe is communicated with the inside of the containing box.

The invention has the beneficial effects that: the crab larva catching device comprises a catching box, wherein an upper accommodating cavity and a lower accommodating cavity are separated from the inside of the catching box by a crawling plate and a baffle plate, the space of the upper accommodating cavity is reduced due to the oblique arrangement of the crawling plate, so that crab larvae in the upper accommodating cavity can only move along the crawling plate, a crab larva separating box is arranged below the baffle plate, and the crawling plate, the baffle plate and grids on the crab larva separating box are used for separating large and small crab larvae, so that the small crab larvae can be separated in the catching process, and the damage to the crab larvae in the catching process is reduced;

secondly, an anti-blocking mechanism is arranged below the climbing plate, a push plate on the anti-blocking mechanism moves back and forth under the action of water flow to dredge and clean the crab larvae below the climbing plate, so that the crab larvae are prevented from being accumulated to block the climbing plate;

third, separate into upper box and lower floor's box with the containing box through the baffle, two seedling pipelines of rethread will divide seedling box and upper box and lower floor's box intercommunication respectively, make the crab seedling can separate at the in-process of catching, and the layering is deposited, the pressure that the bottom crab seedling that alleviates received, the in-process that makes earlier the crab seedling of catching can not catch for a long time is weighed wounded, two setting up of seedling pipelines of dividing also make the crab seedling to get into in the containing box fast and realize that the layering is deposited simultaneously.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a crab larva non-destructive collector in accordance with a preferred embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic diagram of the overall structure of a catching box of the crab larva nondestructive collector of the invention;

FIG. 5 is a schematic diagram of the internal structure of a catching box of the crab larva nondestructive collector;

FIG. 6 is a schematic structural diagram of an anti-blocking mechanism of the crab larva non-destructive collector of the invention;

FIG. 7 is a schematic structural diagram of a crawling plate of the crab larva non-destructive collector of the invention;

FIG. 8 is a schematic view of the overall structure of the storage box of the crab larva non-destructive collector of the invention;

fig. 9 is a schematic view of the internal structure of the storage box of the crab larva non-destructive collector.

In the figure, 1, an accommodating box, 2, a fishing box, 3, a housing, 4, a climbing plate, 5, a baffle, 6, a seedling separating box, 7, a seedling separating pipeline, 8, a grid, 9, an upper accommodating cavity, 10, a lower accommodating cavity, 11, a seedling inlet, 12, a seedling outlet, 13, a sliding rod, 14, a brush head, 15, a pushing plate, 16, a sliding rail, 17, a partition plate, 18, an upper box body, 19, a lower box body, 20, a slow descending plate, 21, an observation window, 22, a collecting port, 23 and a feeding pipe.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1-9, the invention provides an embodiment of a crab larva non-destructive collector, which comprises a storage box 1 and a catching box 2 arranged at the top of the storage box 1, wherein the catching box 2 comprises a shell 3, climbing plates 4, baffles 5, a larva separating box 6 and a larva separating pipeline 7, the two climbing plates 4 are obliquely arranged at two sides of the larva separating box 6, the baffles 5 are connected with the upper edges of the two climbing plates 4, so that crab larvae can climb upwards to the larva separating box 6 along the baffles 5 of the climbing plates 4, the baffles 5 and the climbing plates 4 are respectively provided with grids 8, when crab larvae with different sizes pass through the grids 8, the small crab larvae fall from the grids 8, and the large crab larvae cannot pass through the grids 8, so that the small crab larvae are separated, and the large and small crab larvae are separated before entering the storage box 1, thereby avoiding the problem that the small larvae are easily damaged in the crab larvae collection process and the small larvae are extruded after entering the storage box 1, the young crab larva separating box 6 is fixed below the baffle 5, an opening is arranged on the baffle 5 corresponding to the young crab larva separating box 6, so that young crab larva can enter the young crab larva separating box 6 from the opening, the bottom of the young crab larva separating box 6 is separated from the containing box 1 and is provided with the grid 8, the grid 8 is arranged, so that the young crab larva which is still not separated after passing through the crawling plate 4 can be separated again in the young crab larva separating box 6, the separation rate of the young crab larva is improved, the two ends of the young crab larva separating pipeline 7 are respectively communicated with the young crab larva separating box 6 and the containing box 1, the crawling plate 4, the baffle 5, the young crab larva separating box 6 and the young crab larva separating pipeline 7 are all arranged in the shell 3, the crawling plate 4 and the baffle 5 are used for separating the shell 3 into an upper containing cavity 9 and a lower containing cavity 10, the position of the shell 3 close to the bottom is provided with a young crab larva inlet 11 and an emergence port 12, the young crab inlet 11 is communicated with the upper containing cavity 9, the crawling plate 4 is obliquely arranged, the upper surface of the climbing plate 4 is close to the inner wall of the shell 3, so that the space in the upper accommodating cavity 9 is small, when a large number of crab seedlings enter the upper accommodating cavity 9, the crab seedlings cannot move in the upper accommodating cavity 9, most of the crab seedlings can only pass through the surface of the climbing plate 4, the climbing plate 4 is convenient to separate the large crab seedlings from the small crab seedlings, the seedling emergence ports 12 are communicated with the lower accommodating cavity 10, the seedling emergence ports 12 are provided with two seedling emergence channels, a seedling emergence channel is formed between the two seedling emergence ports 12, the space in the lower accommodating cavity 10 is larger than that in the upper accommodating cavity 9, when the separated small crab seedlings enter the lower accommodating cavity 10, the crab seedlings can be quickly moved and can be separated from the lower accommodating cavity 10 through the seedling emergence channels, meanwhile, the arrangement of the seedling emergence channels also facilitates the passing of water flow, and the evacuation of the small crab seedlings is further accelerated under the action of the water flow;

the lower surface of crawling board 4 still is provided with prevents stifled mechanism, prevents stifled mechanism and includes slide bar 13, brush head 14, push pedal 15 and two slide rails 16, and slide rail 16 is fixed on crawling board 4, and slide bar 13's both ends slidable mounting is in slide rail 16, and brush head 14 and push pedal 15 are fixed on slide bar 13, brush head 14 and crawling board 4's lower surface butt, and push pedal 15 is located the passageway of emerging, prevents that stifled mechanism's theory of operation is: when the fishing box 2 is placed in water, the fishing box can be beaten by water waves to swing back and forth, so that the push plate 15 can move back and forth along the seedling emergence channel under the action of water pressure, the push plate 15 can push small crab seedlings in the seedling emergence channel in the moving process and discharge the small crab seedlings from the seedling emergence channel forcibly, the small crab seedlings are prevented from being gathered in the seedling emergence channel, the slide rod 13 and the brush head 14 can also be driven by the push plate 15 to move back and forth along the slide rail 16 in the moving process, the brush head 14 cleans the lower surface of the climbing plate 4 in the moving process and removes the small crab seedlings attached to the climbing plate 4, and bristles of the brush head 14 can prevent the crab seedlings from being damaged in the cleaning process;

when carrying out crab larva and gathering, big little crab seedling holds chamber 9 and upwards crawls along crawling board 4 from advancing seedling mouth 11 entering simultaneously, at the in-process of crawling, little crab seedling drops to holding in chamber 10 under from the grid 8 department on crawling board 4, big crab seedling continues upwards to crawl and gets into and divides seedling box 6, separate the crab seedling once more through dividing seedling box 6, in order to guarantee that big crab seedling can the clean-up separation, later big crab seedling gets into containing box 1 from dividing seedling pipeline 7 again, accomplish the collection of big crab seedling, and simultaneously, get into the little crab seedling that holds in the chamber 10 down, hold chamber 10 under the effect of push pedal 15 breaks away from fast from the passageway of emerging, the gathering of little crab seedling has been avoided, the damage rate of crab seedling has also further been reduced.

Seedling separating pipeline 7 is provided with two, seedling separating pipeline 7 is "L" shaped pipeline, the one end level that seedling separating pipeline 7 and seedling separating box 6 are connected sets up, the vertical setting of one end that seedling separating pipeline 7 and containing box 1 are connected, the seedling separating pipeline 7 that the level set up makes things convenient for the crab seedling to get into, the exit of every seedling separating pipeline 7 all is provided with slowly falling board 20, slowly falling board 20 slope sets up, slowly falling board 20's upper end is near seedling separating pipeline 7, the projection of seedling separating pipeline 7 towards slowly falling board 20 direction falls on slowly falling board 20's upper surface completely, promptly the crab seedling in the seedling separating pipeline 7 after the vertical section that breaks away from seedling separating pipeline 7, can drop on slowly falling board 20, make the crab seedling can continue to follow slowly falling board 20 and move down, prevent that the crab seedling dropping speed is too fast and lead to full of collision damage, on the other hand, when crab seedling containing box 1 back, slowly falling board 20 also can support part of the crab seedling, and then alleviate the pressure of the crab seedling at the containing box 1 bottom, prevent the damage of crab seedling.

Be provided with baffle 17 in the containing box 1, the border department of baffle 17 and containing box 1's inner wall sealing connection, baffle 17 separates containing box 1 into upper box 18 and lower floor's box 19, one of them divides seedling pipeline 7 intercommunication to divide seedling box 6 and upper box 18, another divides seedling pipeline 7 to run through and communicates after baffle 17 and divides seedling box 6 and lower floor's box 19, after crab seedling gets into and divides seedling box 6, make the crab seedling at the in-process of advancing divide into two batches automatically through two branch seedling pipelines 7, and get into respectively in upper box 18 and the lower floor's box 19, the setting of two branch seedling pipelines also makes the crab seedling can get into in containing box fast and realize the layering and deposit simultaneously, in other embodiments, the export quantity of branch seedling pipeline 7 can be adjusted according to the difference of the size of box and quantity, so that the crab seedling gets into containing box 1 fast, upper box 18 and lower floor's box 19 setting has reduced the pile up thickness of crab seedling in containing box 1, and then alleviateed the pressure that the crab seedling that is located bottommost, make the catching box 2 when fishing for a long time, the quality of fishing for the crab seedling can not result in the earlier the promotion of fishing for the crab seedling to the heap damage.

The top of shell 3 and containing box 1's lateral wall has observation window 21, can observe the crab seedling in branch seedling box 6 and containing box 1 through observation window 21, let operating personnel can judge whether the volume of catching reaches the demand, containing box 1's lateral wall still has two collection mouths 22, collection mouth 22 seals through sealed apron, two collection mouths 22 communicate upper box 18 and lower floor's box 19 respectively, after fishing the completion, pour out the crab seedling in upper box 18 and lower floor's box 19 through collection mouth 22, still be provided with feeding pipe 23 on containing box 1, feeding pipe 23 and containing box 1's inside intercommunication, feeding pipe 23 is convenient for put in bait to containing box 1, when fishing for a long time the crab seedling, also can feed the crab seedling in containing box 1 through feeding pipe 23 hungry, prevent that the crab seedling from being died.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a harmless collector of crab larva, is in including containing box (1) and setting the case (2) of catching at containing box (1) top, its characterized in that: the catching box (2) comprises a shell (3), two climbing plates (4), a baffle (5), a seedling separating box (6) and a seedling separating pipeline (7), the two climbing plates (4) are obliquely arranged on two sides of the seedling separating box (6), the baffle (5) is connected with the upper edges of the two climbing plates (4), grids (8) are arranged on the baffle (5) and the climbing plates (4), the seedling separating box (6) is fixed below the baffle (5), openings are arranged on the baffle (5) corresponding to the seedling separating box (6), two ends of the seedling separating pipeline (7) are respectively communicated with the seedling separating box (6) and the containing box (1), the climbing plates (4), the baffle (5), the seedling separating box (6) and the seedling separating pipeline (7) are arranged in the shell (3), the climbing plates (4) and the baffle (5) are used for separating the shell (3) into an upper containing cavity (9) and a lower containing cavity (10), seedling containing openings (12) and seedling outlets (11) are arranged at positions close to the seedling containing cavities (11), and seedling outlets (12) are communicated with seedling discharging openings;

the lower surface of crawling board (4) still is provided with prevents stifled mechanism, prevent stifled mechanism including slide bar (13), brush head (14), push pedal (15) and two slide rails (16), slide rail (16) are fixed on crawling board (4), the both ends slidable mounting of slide bar (13) in slide rail (16), brush head (14) with push pedal (15) are fixed on slide bar (13), brush head (14) with the lower surface butt of crawling board (4).

2. The crab larva nondestructive collector of claim 1, which is characterized in that: the emergence opening (12) has two, forms the passageway of emerging between two emergence openings (12), push pedal (15) are located in the passageway of emerging.

3. The crab larva nondestructive collector of claim 2, which is characterized in that: divide seedling pipeline (7) to be "L" shape pipeline, divide seedling pipeline (7) with the one end level that divides seedling box (6) to connect sets up, divide seedling pipeline (7) with the vertical setting of one end that containing box (1) is connected.

4. The crab larva non-destructive collector of claim 3, which comprises: be provided with baffle (17) in containing box (1), the border department of baffle (17) with the inner wall sealing connection of containing box (1), baffle (17) will upper box (18) and lower floor box (19) are separated into in containing box (1), divide seedling pipeline (7) to be provided with two, one of them divides seedling pipeline (7) intercommunication divide seedling box (6) and upper box (18), and another divides seedling pipeline (7) to run through intercommunication behind baffle (17) divide seedling box (6) and lower floor box (19).

5. The crab larva non-destructive collector of claim 4, wherein: every the exit of dividing seedling pipeline (7) all is provided with slowly falls board (20), slowly fall board (20) slope setting, slowly fall the upper end of board (20) and tightly lean on divide seedling pipeline (7), divide the projection of the export orientation of seedling pipeline (7) slowly fall on completely slowly fall the upper surface of board (20).

6. The crab larva non-destructive collector of claim 5, wherein: the bottom of the seedling separating box (6) is separated from the containing box (1) and is provided with a grid (8).

7. The crab larva non-destructive collector of claim 6, wherein: the top of the shell (3) and the side wall of the containing box (1) are provided with observation windows (21), the side wall of the containing box (1) is also provided with two collecting ports (22), and the two collecting ports (22) are respectively communicated with the upper-layer box body (18) and the lower-layer box body (19).

8. The crab larva non-destructive collector of claim 7, which comprises: the storage box (1) is further provided with a feeding pipe (23), and the feeding pipe (23) is communicated with the interior of the storage box (1).