CN218681255U - Net cage culture density testing device - Google Patents

Net cage culture density testing device Download PDF

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Publication number
CN218681255U
CN218681255U CN202222684303.2U CN202222684303U CN218681255U CN 218681255 U CN218681255 U CN 218681255U CN 202222684303 U CN202222684303 U CN 202222684303U CN 218681255 U CN218681255 U CN 218681255U
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China
Prior art keywords
net cage
net
density
blocking
testing
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CN202222684303.2U
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Chinese (zh)
Inventor
张红瑞
王玉茜
李芳芳
王佳
张莉
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Zhengzhou Zhitou Biotechnology Co ltd
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Zhengzhou Zhitou Biotechnology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The utility model discloses a net cage culture density testing device, belonging to the field of culture net cages, and the net cage culture density testing device comprises a net cage, wherein a bracket is fixedly arranged at the top of the net cage, a floating air bag is fixedly arranged at the outer edge of the bottom of the bracket, and a density testing component is arranged inside the net cage; the density testing component comprises a cross beam arranged at the top of the support, a shaft rod is fixedly arranged at the center of the bottom of the cross beam through bolts, two sets of lug seats are rotatably connected to the periphery of the shaft rod and correspond to one set of the lug seats, blocking frames are welded between the lug seats, blocking nets are fixedly connected inside the blocking frames, a set of counter is fixedly arranged on one side of each through hole through mounting pieces, the density testing component can transfer and test a plurality of net cages respectively, the carrying degree of the test is improved, fish groups inside the net cages do not need to be fished out, the number of the fish groups is calculated, and then the fish groups are placed back to the inside of the net cages.

Description

Net cage culture density testing device
Technical Field
The utility model relates to a aquaculture net case field, more specifically say, relate to a net cage culture density testing arrangement.
Background
In order to conveniently and uniformly manage the cultured fish shoals for raising, a floating type net cage is generally adopted for raising in a larger water area, and in order to control the cultured fish shoals in the net cage within a reasonable range, the density of the cultured fish shoals in the net cage needs to be measured and calculated, namely the culture density of the fish shoals in the net cage can be obtained by calculating the volume of the net cage and then calculating the number of the fish shoals in the net cage.
The existing method for fishing out the fish shoals in the net cage to calculate the number of the fish shoals in the net cage and then putting the fish shoals back into the net cage is generally adopted for the number of the fish shoals in the net cage, so that the method is not convenient to operate, low in efficiency, and easy to cause death of the fish shoals, and the test of a plurality of net cages is very inconvenient, so that a net cage culture density testing device is provided for solving the existing problems.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The utility model provides a net cage culture density testing device, it directly puts up the inside crossbeam of density test subassembly on the support of net cage, two through the crossbeam bottom block the frame and the inside block net divides the net cage inner space into two, and two block the frame and the inside block net can rotate the fine setting along with the test condition, namely expand two slightly before the test, put into bait to the inside one side of net cage, lure the shoal all to one side, when waiting to shoal all to be lured to one side, slowly expand two and block the frame completely, divide into two with the inner space, divide into one side that has the shoal and one side that does not have the shoal, then throw in bait to the inside of not having shoal one side again, make the shoal shift along the through-hole of blocking the net bottom, and in the in-process of the inside shift of shoal, infrared signal between the transmitting terminal of counter and the receiving terminal is constantly blocked, and then can measure the quantity of shoal, the transfer of convenient fish fry, the transfer obtains the net cage of density test that can dismantle and transfer the net cage, the net cage of saving is used up, and the net cage is suitable for a plurality of the test.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A net cage culture density testing device comprises a net cage, wherein a support is fixedly mounted at the top of the net cage, a plurality of balancing weights are fixedly connected to the bottom of the net cage through a plurality of stretching devices, a floating air bag is fixedly mounted at the outer edge of the bottom of the support, and a density testing assembly is arranged in the net cage;
the density testing assembly comprises a cross beam arranged at the top of the support, a shaft rod is fixedly arranged at the center of the bottom of the cross beam through bolts, two sets of lug seats are rotatably connected to the periphery of the shaft rod and correspond to one set of stopping frames welded among the lug seats, stopping nets are fixedly connected inside the stopping frames, through holes are formed in the bottoms of the stopping nets, and a set of counter is fixedly arranged on one side of each through hole through a mounting piece.
Further, a group of the counters comprises a transmitting end and a receiving end which are arranged on two sides of the mounting part.
Furthermore, two the blocking frame one side all fixed mounting have sealed gasbag, and two sealed gasbag bottom is linked together, one of them sealed gasbag top one side is provided with the air cock.
Further, the length of the cross beam is larger than the outer peripheral diameter of the support.
Furthermore, the width of the blocking frame is smaller than the radius of the inner wall of the net cage, and the height of the blocking frame is larger than that of the inner wall of the net cage.
Furthermore, a one-way mesh enclosure is fixedly connected to the other side of the mounting piece.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) According to the scheme, the density testing component is directly erected in the net cage, the interior of the net cage is divided into two parts, so that the number of fish schools can be conveniently tested, the structure is simple, the installation is convenient, the density testing component is suitable for transferring and testing a plurality of net cages, and the portability of the test is improved;
(2) According to the scheme, the counter is arranged on one side of the blocking net of the density testing assembly, infrared signals between the transmitting end and the receiving end are blocked to calculate the number of fish schools in the split net cage transferring process, the fish schools in the net cage do not need to be fished out, the number of the fish schools is calculated, and then the fish schools are placed back into the net cage.
Drawings
FIG. 1 is a schematic view of the installation structure of the density testing component of the present invention;
FIG. 2 is a schematic view of a structure of one side of the density testing assembly of the present invention;
FIG. 3 is a schematic view of another side of the density testing assembly of the present invention;
fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;
fig. 5 is an enlarged schematic structural diagram of the position B in fig. 3 according to the present invention.
The reference numbers in the figures illustrate:
1. a net cage; 2. a support; 3. a floating airbag; 4. a cross beam; 5. a shaft lever; 6. an ear mount; 7. a blocking frame; 8. a barrier net; 801. a through hole; 9. a mounting member; 10. a counter; 1001. a transmitting end; 1002. a receiving end; 11. sealing the air bag; 12. a one-way net cover.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Example (b):
referring to fig. 1-5, a device for testing the culture density of a net cage comprises a net cage 1, wherein a support 2 is fixedly installed at the top of the net cage 1, a plurality of balancing weights are fixedly connected to the bottom of the net cage 1 through a plurality of stretching devices, a floating air bag 3 is fixedly installed at the outer edge of the bottom of the support 2, and a density testing assembly is arranged inside the net cage 1; the density test assembly comprises a cross beam 4 arranged at the top of the support 2, a shaft lever 5 is fixedly arranged at the center of the bottom of the cross beam 4 through bolts, two sets of lug seats 6 are rotatably connected to the periphery of the shaft lever 5, a blocking frame 7 is welded between a set of corresponding lug seats 6, a blocking net 8 is fixedly connected inside the blocking frame 7, a through hole 801 is formed in the bottom of the blocking net 8, and a set of counter 10 is fixedly arranged on one side of the through hole 801 through an installation part 9.
Through the density testing component arranged in the net cage 1, a beam 4 in the density testing component can be directly erected on a support 2 of the net cage 1, the internal space of the net cage 1 is divided into two parts through two blocking frames 7 at the bottom of the beam 4 and an internal blocking net 8, the two blocking frames 7 and the internal blocking net 8 can be finely adjusted by rotation along with the testing condition, namely, the two blocking frames 7 are slightly unfolded before the test, bait is thrown into one side in the net cage 1, the fish school is completely attracted to one side, when the fish school is completely attracted to one side, the two blocking frames 7 are slowly and completely unfolded, the internal space of the net cage 1 is divided into two parts, namely, the two blocking frames are divided into one side with the fish school and one side without the fish school, then the bait is thrown into the net cage 1 without the fish school, the fish school is transferred along a through hole 801 at the bottom of the blocking frame 8, in the process that the fish school is transferred along the through hole 801, signals between an emitting end 1001 and a receiving end 1002 of a counter 10 are continuously blocked, further, the transferred fish school transferring quantity of the fish school can be calculated, the transferring of the fish fry can be conveniently transferred, the infrared testing component, and the density testing component is suitable for avoiding the consumption of the fish in the detachable fish school 1, and obtaining a plurality of the fish school is saved when the fish.
Referring to fig. 4, a set of counters 10 includes a transmitting end 1001 and a receiving end 1002 mounted on either side of a mounting member 9.
Through the counter 10 that sets up, transmitting terminal 1001 transmits infrared signal to receiving terminal 1002 promptly, and when the fish in the fish school passed through between transmitting terminal 1001 and the receiving terminal 1002, transmitting terminal 1001 transmitted infrared signal was blocked, and controller automatic counting who passes through the wire with transmitting terminal 1001 and receiving terminal 1002 is connected, blocks the infrared signal between transmitting terminal 1001 and the receiving terminal 1002 through the fish school and calculates the fish school quantity of box with a net 1 inside, and then conveniently estimates the fish school density of box with a net 1 inside.
Referring to fig. 2 and 3, the two blocking frames 7 are fixedly provided with the sealed air bags 11 at one side, the bottoms of the two sealed air bags 11 are communicated, and one side of the top of one sealed air bag 11 is provided with an air nozzle.
The sealing air bag 11 can seal one side and the bottom of the blocking frame 7, so that a gap is prevented from being generated at the contact part of the blocking frame 7 and the inner wall of the net cage 1, and the inflated sealing air bag 11 has certain buoyancy in water, so that the density testing assembly can be conveniently taken out of the net cage 1 integrally.
Referring to fig. 1, the length of the beam 4 is greater than the diameter of the outer periphery of the bracket 2, the width of the blocking frame 7 is smaller than the radius of the inner wall of the net cage 1, and the height of the blocking frame 7 is greater than the height of the inner wall of the net cage 1.
The length of the cross beam 4 is larger than the peripheral diameter of the support 2, so that the density testing assembly is conveniently and directly erected on the support 2, the height of the blocking frame 7 is larger than the height of the inner wall of the net cage 1, and the bottom of the blocking frame 7 cannot reach the bottom of the net cage 1 when the height is not enough during erection.
Referring to fig. 5, the other side of the mounting member 9 is fixedly connected with a one-way net cover 12.
The unidirectional mesh enclosure 12 can play a role in limiting the swimming direction of the fish school, so that the fish school is prevented from moving between the counters 10 repeatedly, and the test accuracy is improved.
When in use: firstly, a beam 4 of the density testing component is erected on the top of a support 2, the bottoms of blocking frames 7 are in contact with the bottom of a net cage 1, the two blocking frames 7 are slightly unfolded in the net cage 1 at a certain angle through a shaft rod 5 and an ear seat 6 which are connected in the middle, so that the inside of the net cage 1 is divided into two parts, at the moment, bait is thrown into one side of the inside of the net cage 1, fish schools are all attracted to one side of the net cage 1, then the two blocking frames 7 are completely unfolded, two sides of the two blocking frames 7 are respectively in contact with two sides of the inner wall of the net cage 1, the inside of a sealed air bag 11 is inflated, gaps are prevented from being generated at the contact part of the blocking frames 7 and the inner wall of the net cage 1, at the moment, the bait is thrown into one side of the net cage 1 without the fish, and the fish schools are attracted to the other side of the net cage 1 through a through hole 801 on the blocking net 8;
when a fish school swims to the other side from the through hole 801, the fish school firstly passes through a position between the transmitting end 1001 and the receiving end 1002 of the counter 10, at the moment, an infrared signal transmitted by the transmitting end 1001 to the receiving end 1002 is blocked, the blocking signal is transmitted to a controller connected with the transmitting end 1001 and the receiving end 1002 through wires for automatic counting, the number of the fish school in the net cage 1 is further calculated conveniently, the density of the fish school in the net cage 1 is estimated conveniently, the unidirectional mesh enclosure 12 can play a role in limiting the swimming direction of the fish school, the fish school is prevented from moving between the counter 10 repeatedly, the test accuracy is improved, the sealing airbag 11 can play a role in sealing one side and the bottom of the blocking frame 7, gaps are prevented from being generated at the contact position of the blocking frame 7 and the inner wall of the net cage 1, the inflatable sealing airbag 11 has certain buoyancy in water, and the density test assembly is convenient to take out of the whole density test assembly from the inside of the net cage 1.
The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. The utility model provides a box with a net breed density testing arrangement, includes box with a net (1), its characterized in that: the top of the net cage (1) is fixedly provided with a support (2), the bottom of the net cage (1) is fixedly connected with a plurality of balancing weights through a plurality of stretching devices, the outer edge of the bottom of the support (2) is fixedly provided with a floating air bag (3), and a density testing assembly is arranged in the net cage (1);
the density testing component comprises a cross beam (4) arranged at the top of the support (2), a shaft rod (5) is fixedly mounted at the center of the bottom of the cross beam (4) through bolts, two sets of ear seats (6) are rotatably connected to the periphery of the shaft rod (5) and correspond to one set of ear seats (6), blocking frames (7) are welded among the ear seats (6), blocking nets (8) are fixedly connected to the inner portions of the blocking frames (7), through holes (801) are formed in the bottoms of the blocking nets (8), and a set of counters (10) are fixedly mounted on one sides of the through holes (801) through mounting pieces (9).
2. The device for testing the density of the net cage culture according to claim 1, which is characterized in that: a set of the counters (10) comprises a transmitting end (1001) and a receiving end (1002) mounted on either side of the mount (9).
3. The device for testing the density of the net cage culture according to claim 1, which is characterized in that: two it all fixed mounting have sealed gasbag (11) to block frame (7) one side, and two sealed gasbag (11) bottom is linked together, and one of them sealed gasbag (11) top one side is provided with the air cock.
4. The device for testing the density of the net cage culture according to claim 1, which is characterized in that: the length of the cross beam (4) is larger than the peripheral diameter of the support (2).
5. The device for testing the density of the net cage culture according to claim 1, which is characterized in that: the width of the blocking frame (7) is smaller than the radius of the inner wall of the net cage (1), and the height of the blocking frame (7) is larger than the height of the inner wall of the net cage (1).
6. The device for testing the density of the net cage culture according to claim 1, which is characterized in that: the other side of the mounting piece (9) is fixedly connected with a one-way net cover (12).
CN202222684303.2U 2022-10-10 2022-10-10 Net cage culture density testing device Active CN218681255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222684303.2U CN218681255U (en) 2022-10-10 2022-10-10 Net cage culture density testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222684303.2U CN218681255U (en) 2022-10-10 2022-10-10 Net cage culture density testing device

Publications (1)

Publication Number Publication Date
CN218681255U true CN218681255U (en) 2023-03-24

Family

ID=85582395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222684303.2U Active CN218681255U (en) 2022-10-10 2022-10-10 Net cage culture density testing device

Country Status (1)

Country Link
CN (1) CN218681255U (en)

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