CN111264449B - A device for measuring the number of surviving seedlings based on the behavioral biology of red crayfish - Google Patents

Abstract

The invention discloses a surviving seedling counting device based on the behavioral biology of red crayfish. The main body is a wood panel frame, a nylon net is arranged at the bottom of the wood panel frame, and a floating block is respectively arranged at the four corners of the wood panel frame. : The four wooden boards form an integrated wooden board frame through the tenon and mortise structure; the bottom surface of the wooden board edge frame is provided with grooves, the nylon mesh is embedded in the groove, and then embedded with rubber strips to fix; the top surface of the floating block is provided with two vertically intersecting concave grooves. The four corners of the frame of the plank side snap into the grooves to nest four floating blocks. The invention solves the technical problem of measuring the survival number of shrimp fry in the process of hauling, transporting and stocking in the prior art.

Description

A device for measuring the number of surviving seedlings based on the behavioral biology of red crayfish

technical field

The invention relates to a seedling survival number measuring device based on the behavioral biology of red crayfish, which belongs to the field of measuring the survival number of red crayfish shrimp seedlings during the process of picking up, transporting and culturing.

Background technique

Red crayfish (Cherax quadricarinatus), also known as "Australian freshwater lobster", is native to Australia and looks like a sea lobster. It is one of the most valuable freshwater economic shrimp species in the world. The body color of the shrimp is brown-green, and the outer top of the claws has a membranous bright red band, so it is also known as the red crayfish. The individual red sting shrimp is generally 50-100 grams, and the largest individual is 500-600 grams. It is a kind of freshwater shrimp with strong adaptability. Red crayfish have a wide range of diets, grow fast, tender meat, delicious taste and rich nutrition.

At present, there are few methods and devices for counting and surviving fish, shrimp and crab fry in aquaculture. Zhu Congrong invented a method for counting fry based on machine vision. A method is used to establish the relationship between the number of pixels occupied by fry in the image and the number of fry, and then count the fry. Jiang Song et al. invented a shrimp fry counting device and a counting method. The method is to place shrimp fry and water in a storage cavity to communicate with a swimming lane, and count the shrimp fry passing through the swimming lane through a counting component to obtain shrimp. number of seedlings. The measurement of the number of surviving shrimp fry refers to the number of surviving shrimp fry in the process of lifting, transporting and stocking. The number of surviving shrimp fry has a great impact on the yield and output value of shrimp, while the method and device for measuring the number of surviving shrimp fry have not yet been seen. However, the problem of surviving number of red crayfish fry is a problem that needs to be solved urgently.

Behavioural biology research of red crayfish shows that red crayfish is a benthic reptile and likes fresh water , designed the present invention.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to aim at the deficiencies in the prior art, and to provide a seedling survival number metering device based on the behavioral biology of red crayfish, which solves the problem in the prior art from picking up and transporting shrimp seedlings. It is a technical problem to measure the number of survivors in the discharge process.

In order to achieve the above object, the present invention adopts the following technical solutions:

A device for measuring the number of surviving seedlings based on the behavioral biology of red crayfish, the main body is a wood board side frame, a nylon net is arranged at the bottom of the wood board side frame, and four corners of the wood board side frame are respectively provided with a floating block; it is characterized in that :

The wood board side frame is a rectangular frame structure composed of four cuboid-shaped wood boards, wherein: two long boards are used as long sides, and a long groove is respectively opened on the bottom surface. The width of the long groove is less than the thickness of the long plank, and the depth of the long groove is less than the width of the long plank. The length of the wide plank, the width of the wide groove is less than the thickness of the wide plank, and the depth of the wide groove is less than the width of the wide plank;

The nylon net is a rectangle as a whole, the length of the long side is greater than the length of the long wooden board, and the length of the wide side is greater than the length of the wide wooden board; In the groove, the long groove and the wide groove are all stuffed with rubber strips to fix the nylon mesh on the bottom surface of the wood frame;

The floating block is a solid polyethylene foam block in the shape of a cube, the top surface is provided with two grooves with the same shape and size, and the two grooves are vertically intersected; the two grooves, one end of which is connected to each other, The other ends respectively extend to the edge of the top surface;

In the wood board side frame, a floating block is respectively set at the four corners of the bottom surface, and the two sides of each corner are respectively stuck in two grooves on the top surface of a floating block, so that the wood board side frame floats on the water surface and ensures that A nylon mesh hangs above the water.

In the above technical solution, the length of the long wooden board is 0.4-0.7m, the width is 0.1-0.2m, and the thickness is 0.04-0.7m, preferably 0.05-0.1m.

In the above technical solution, the width of the wide wooden board is 0.3-0.5m, the width is 0.1-0.2m, and the thickness is 0.04-0.7m, preferably 0.05-0.1m.

In the above technical solution, the length of the long groove and the wide groove are both 1-5 cm, preferably 1-3 cm, and the width is 1-5 cm, preferably 1-3 cm. The long side and wide side of the nylon mesh are embedded in the long groove and the wide groove respectively, and then the nylon mesh is fixed by inserting a rubber strip.

In the above technical scheme, the nylon mesh has a mesh of 10-30 meshes.

In the above technical solution, the length, width and height of the floating block are respectively 0.1-0.5m.

In the above technical solution, the grooves are all 0.1-0.3m in width, 0.04-0.8m in depth, and 0.08-0.1m in length.

In the present invention, the red crayfish fry are picked up, transported and placed in the device, and after 8-12 hours of stocking, the surviving fry will crawl into the pond, and the number of dead shrimp fry in the nylon net can be counted. Realize the measurement of the number of surviving shrimp fry. It solves the technical problem of measuring the survival number of shrimp fry in the process of picking up, transporting and releasing in the prior art.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the seedling survival number metering device of the present invention;

Fig. 2 is the schematic diagram of the wood board edge frame of the present invention (upside down, the schematic diagram of the bottom surface on the top);

Fig. 3 is the schematic diagram that the nylon net of the present invention is inlaid on the bottom surface of the wood board edge frame and is fixed by the rubber strip; (upside down, the schematic diagram of the bottom surface on the top);

Fig. 4 is the schematic diagram of the floating block of the present invention;

Among them: 1 is the edge frame of the wood board, 11 is the long wood board, 12 is the long groove, 13 is the wide wood board, and 14 is the wide groove; 2 is the nylon mesh, and 21 is the rubber strip; 3 is the floating block, and 31 is the groove.

Detailed ways

The specific embodiments of the technical solutions of the present invention are described in detail below, but the present invention is not limited to the following descriptions:

A device for measuring the survival number of seedlings based on the behavioral biology of red crayfish, the main body is a wood board side frame 1, a nylon mesh 2 is arranged at the bottom of the wood board side frame, and a floating block 3 is respectively arranged at the four corners of the wood board side frame; As shown in Figure 1-4:

Described plank side frame 1 is a rectangular frame structure formed by four cuboid-shaped planks through tenon and mortise, wherein: two long planks 11 as long sides are provided with a long groove 12 respectively on the bottom surface, and the long The length of the groove is the same as the length of the long plank, the width of the long groove is less than the thickness of the long plank, and the depth of the long groove is less than the width of the long plank; Slot 14, the length of the wide groove is equal to the length of the wide wooden board, the width of the wide groove is less than the thickness of the wide wooden board, and the depth of the wide groove is less than the width of the wide wooden board;

Described nylon net 2, the whole is rectangular, the length of long side is greater than the length of long wooden board, the length of broad side is greater than the length of wide wooden board; In the groove, the long groove and the wide groove are filled with rubber strips 21 so as to fix the nylon mesh on the bottom surface of the wooden frame side frame;

The floating block 3 is a solid polyethylene foam block in the shape of a cube, and two grooves 31 of the same shape and size are opened on the top surface, and the two grooves are vertically intersected; connected, and the other ends respectively extend to the edge of the top surface;

In the wood board side frame, a floating block is respectively set at the four corners of the bottom surface, and the two sides of each corner are respectively stuck in two grooves on the top surface of a floating block, so that the wood board side frame floats on the water surface and ensures that A nylon mesh hangs above the water.

In the present invention, the length of the long wooden board 11 is 0.4-0.7m, the width is 0.1-0.2m, and the thickness is 0.04-0.7m, preferably 0.05-0.1m.

In the present invention, in the wood panel frame 1, the wide wood panel 13 has a length of 0.3-0.5m, a width of 0.1-0.2m, and a thickness of 0.04-0.7m, preferably 0.05-0.1m.

In the present invention, the depths of the wooden frame 1, the long grooves 12 and the wide grooves 14 are all 1-5 cm, preferably 1-3 cm; the widths are all 1-5 cm, preferably 1-3 cm. The long side and wide side of the nylon mesh are embedded in the long groove and the wide groove respectively, and then the nylon mesh is fixed by inserting a rubber strip.

In the present invention, the nylon mesh 2 has a mesh of 10-30 meshes.

In the present invention, the length, width and height of the floating block 3 are respectively 0.1-0.5m.

In the present invention, the grooves 31 have a width of 0.1-0.3m, a depth of 0.04-0.8m, and a length of 0.08-0.1m.

The present invention is described below in conjunction with specific embodiment:

Example 1:

In the present embodiment, the board side frame 1, the length of the long board is 50cm, the width is 12cm, the thickness is 10cm, the length of the long groove is 50cm, the width is 2.5cm, and the depth is 2.5cm; the length of the wide board is 40cm, The width is 12 cm, the thickness is 10 cm, the length of the wide groove is 40 cm, the width is 2.5 cm, and the depth is 2.5 cm.

In this embodiment, the long side and wide side of the 15-mesh nylon mesh are embedded in the long groove and the wide groove respectively, and then the nylon mesh is fixed by inserting a rubber strip.

In this embodiment, the length, width and height of the floating block are respectively 20cm, the length of the upper groove is 8cm, the width is 10cm, and the depth is 8cm; the four corners of the edge frame of the wooden board are stuck in the groove.

Example 2:

In the present embodiment, the board side frame 1, the length of the long board is 60cm, the width is 18cm, the thickness is 8cm, the length of the long groove is 60cm, the width is 3.5cm, and the depth is 3.5cm; the length of the wide board is 45cm, The width is 18 cm, the thickness is 8 cm, the length of the wide groove is 45 cm, the width is 3.5 cm, and the depth is 3.5 cm.

In this embodiment, the long side and wide side of the 25-mesh nylon mesh are embedded in the long groove and the wide groove respectively, and then the nylon mesh is fixed by inserting a rubber strip.

In this embodiment, the length, width and height of the floating block are respectively 20cm, the length of the upper groove is 10cm, the width is 8cm, and the depth is 8cm; the four corners of the edge frame of the wooden board are stuck in the groove.

The above examples are only for illustrating the technical idea and technical features of the present invention, and cannot limit the protection scope of the present invention. All equivalent transformations or modifications made according to the essence of the present invention should be covered within the protection scope of the present invention.

Claims (4)

1. A fry survival number metering device based on behavior biology of red swamp crayfish comprises a main body, a wooden frame (1), a nylon net (2) arranged at the bottom of the wooden frame, and floating blocks (3) arranged at four corners of the wooden frame; the method is characterized in that:

plank frame (1), the rectangular frame construction that constitutes through the mortise-tenon joint by the plank of four rectangular shapes, wherein: the bottom surfaces of two long boards (11) serving as long sides are respectively provided with a long groove (12), the length of each long groove is the same as that of each long board, the width of each long groove is smaller than the thickness of each long board, and the depth of each long groove is smaller than that of each long board; the bottom surfaces of the two wide wood boards (13) serving as wide edges are respectively provided with a wide groove (14), the length of each wide groove is equal to that of each wide wood board, the width of each wide groove is smaller than the thickness of each wide wood board, and the depth of each wide groove is smaller than that of each wide wood board;

the nylon net (2) is integrally rectangular, the length of the long side is greater than that of the long wood board, and the length of the wide side is greater than that of the wide wood board; the long sides of the nylon net are all plugged into the long grooves, the wide sides are all plugged into the wide grooves, and rubber strips (21) are plugged into the long grooves and the wide grooves so as to fix the nylon net on the bottom surface of the wood board side frame;

the floating block (3) is a solid polyethylene foam block in a square shape, the top surface of the floating block is provided with two grooves (31) with the same shape and size, and the two grooves are vertically intersected; one end of each groove is connected with the other end of each groove, and the other end of each groove extends to the edge of the top surface;

four corners of the bottom surface of the wood board frame are respectively provided with a floating block, and two edges of each corner are respectively clamped in two grooves on the top surface of one floating block, so that the wood board frame floats on the water surface, and the nylon net is ensured to be suspended on the water surface;

taking out and transporting the crayfish fries of the red swamp crayfish into the fry survival number metering device, breeding the crayfish fries for 8-12 hours, enabling the survival crayfish fries to climb into the pond, counting the number of the dead crayfish fries in the nylon net, and metering the number of the survival crayfish fries;

the long wood board (11) of the wood board frame (1) has the length of 0.4-0.7m, the width of 0.1-0.2m and the thickness of 0.04-0.7 m;

the wide wood board (13) of the wood board frame (1) has the length of 0.3-0.5m, the width of 0.1-0.2m and the thickness of 0.04-0.7 m;

the wood board frame (1), the long grooves (12) and the wide grooves (14) are all 1-5cm in depth and 1-5cm in width.

2. The device for counting the survival rate of seedlings according to claim 1, wherein: the nylon net (2) has a 10-30 mesh screen.

3. The device for counting the survival rate of seedlings according to claim 1, wherein: the length, width and height of the floating block (3) are 0.1-0.5m respectively.

4. The device for counting the survival rate of seedlings according to claim 1, wherein: the width of each groove (31) is 0.1-0.3m, the depth is 0.04-0.8m, and the length is 0.08-0.1 m.

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