CN112243915A - Purse net catching device and using method - Google Patents
Purse net catching device and using method Download PDFInfo
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- CN112243915A CN112243915A CN202011208772.6A CN202011208772A CN112243915A CN 112243915 A CN112243915 A CN 112243915A CN 202011208772 A CN202011208772 A CN 202011208772A CN 112243915 A CN112243915 A CN 112243915A
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- 241000251468 Actinopterygii Species 0.000 claims abstract description 182
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- 238000012216 screening Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000009395 breeding Methods 0.000 claims description 4
- 230000001488 breeding effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
- A01K61/95—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination specially adapted for fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
- A01K79/02—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery by electrocution
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Biodiversity & Conservation Biology (AREA)
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Abstract
The invention provides a purse seine fishing device and a using method thereof, belonging to the technical field of purse seine fishing. The fish catching device comprises an annular floating body, a connecting plate, a net barrel cover, a screening mechanism and a feeding machine, wherein the annular floating body is coaxially provided with a round hole, the bottom of the annular floating body is fixedly connected with an anchor through a first steel wire rope, the connecting plate is horizontally and fixedly arranged right above the annular floating body, a fish catching cavity is formed in the net barrel, the upper end of the net barrel is provided with a fish inlet, the fish inlet is communicated with the fish catching cavity, the net barrel is arranged right below the annular floating body through a first lifting mechanism, the first lifting mechanism can drive the net barrel to move up and down, the net barrel cover is arranged between the annular floating body and the net barrel through a second lifting mechanism, the second lifting mechanism can drive the net barrel cover to move up and down along the axial direction of the net barrel, the screening mechanism can drive small fish out of the fish catching cavity, and the feeding. The invention can control the time and the quantity of the seine for catching, ensure the freshness of the fish and improve the catching quality.
Description
Technical Field
The invention belongs to the technical field of purse net fishing, and relates to a purse net fishing device and a using method thereof.
Background
The purse net culture engineering is an aquaculture mode based on an ecological system, which utilizes engineering facilities such as netting, piles, floating balls (floating ropes, floating frames and suspension ropes) to enclose a water area with a certain scale in the ocean, lake, reservoir or river water area, selects fishes with important economic values to breed, and implements controlled feed feeding.
The purse net culture has large space, natural and ecological environment and high quality of cultured products, and gradually becomes a new mode and a mastery force of high-end marine culture.
However, the purse net culture faces a significant problem of how to catch. The traditional trawl catching mode has large disturbance to fish shoal, and if the trawl catching mode is not used for catching all fish at one time, the trawl catching mode is not accepted by breeding enterprises. And by adopting modes such as spunlace and cage capture, the time and the quantity of capture cannot be controlled, the perennial supply of purse net culture and the order type capture requirement cannot be realized, and the capture modes easily cause fish death and cannot ensure the requirement of capture of living bodies.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a purse net catching device and a using method thereof, which can control the time and the quantity of the purse net catching, ensure the freshness of fish and improve the catching quality.
The purpose of the invention can be realized by the following technical scheme:
a seine catching apparatus comprising: the annular floating body is coaxially provided with a round hole, the bottom of the annular floating body is fixedly connected with two anchors through two first steel wire ropes, and the two anchors are symmetrically arranged on the lower side surface of the annular floating body;
the connecting plate is horizontally and fixedly arranged right above the annular floating body through two supporting plates;
the fishing net comprises a net barrel, a fishing cavity is arranged in the net barrel, a fish inlet is formed in the upper end of the net barrel, the fish inlet is in an outward-expanding horn shape, the fish inlet is communicated with the fishing cavity, the net barrel is arranged right below an annular floating body through a first lifting mechanism, and the first lifting mechanism can drive the net barrel to move up and down;
the net cylinder cover is conical, the net cylinder cover is arranged between the annular floating body and the net cylinder through a second lifting mechanism, the second lifting mechanism can drive the net cylinder cover to move up and down along the axial direction of the net cylinder, and finally the net cylinder cover is arranged on the fish inlet of the net cylinder;
the screening mechanism is arranged in the fishing cavity and can catch smaller fishes out of the fishing cavity;
the feeding machine is arranged on the annular floating body and can throw bait into the round hole.
In the seine-catching apparatus described above, the first elevating mechanism includes:
the first electric winch is fixedly arranged on the connecting plate, a first through hole is formed in the connecting plate, a second steel wire rope is wound on a winding drum of the first electric winch, the second steel wire rope sequentially penetrates through the first through hole and the round hole to extend to the position below the annular floating body, and the first electric winch is electrically connected with an external power supply;
and the fixed block is fixedly arranged at the lower end of the second steel wire rope and is fixedly connected with the inner side wall of the net barrel through a plurality of connecting ropes.
In the seine-catching apparatus described above, the second elevating mechanism includes:
the two second electric winches are symmetrically arranged at two ends of the lower side surface of the connecting plate respectively, third steel wire ropes are wound on winding drums of the two second electric winches, the two third steel wire ropes penetrate through the round holes to extend to the lower side of the annular floating body, the end parts of the two third steel wire ropes are fixedly connected with the symmetrical outer edges of the net drum covers respectively, and the second electric winches are electrically connected with an external power supply;
the sleeve pipe, the sleeve pipe is coaxial to be set firmly at the top of net section of thick bamboo lid, sheathed tube upper end sets firmly the ring board, sheathed tube lower extreme extends to the below of net section of thick bamboo lid and the tip sets firmly down the ring board, the net section of thick bamboo lid passes through the sleeve pipe and slides and set up on second wire rope.
In the purse seine catching device, a sonar fish finder is arranged on the inner side wall of the net cylinder cover, a controller is arranged on the annular floating body, and the sonar fish finder is electrically connected with the first electric winch and the two second electric winches through the controller.
In the purse net catching device, a balancing weight is coaxially and fixedly arranged at the bottom of the net cylinder, the balancing weight is conical, a plurality of partition plates are circumferentially arranged between the inner side wall of the net cylinder and the balancing weight, a separation cavity is formed between two adjacent partition plates, and a fish luring lamp is arranged at the bottom of the separation cavity.
In the above seine-catching apparatus, the screening mechanism comprises:
the first rotating shaft is coaxially and rotatably arranged in the net drum, and a plurality of first rotating blade plates are arranged on the first rotating shaft along the circumferential direction;
the lower end of the first rotating shaft extends into the mounting cavity, the end part of the first rotating shaft is fixedly connected with an output shaft of the first motor, and the first motor is electrically connected with an external power supply;
and the second through holes are formed in the side wall of the net drum, which is positioned on the outer side of the first rotating blade plate, along the circumferential direction.
In foretell purse seine is played and is caught device, the bottom of net section of thick bamboo lateral wall is equipped with a plurality of along circumference and gets fish box net, a plurality of get fish box net and a plurality of branch compartment one-to-one, get the fish box net setting in the outside of corresponding branch compartment, be located the net section of thick bamboo lateral wall that divides the compartment and seted up the third through-hole, get and seted up the fourth through-hole on the fish box net is close to the lateral wall of net section of thick bamboo, third through-hole and fourth through-hole just right, the side of going up of getting the fish box net is equipped with the fifth through-hole, the fifth through-hole upper cover is equipped with the upper cover.
In the purse net catching device, the inner side wall of the fish inlet is coaxially and fixedly provided with the annular electromagnet, the lower side edge of the net barrel cover is provided with the annular plate, the fixed block is provided with the pressure sensor, the pressure sensor is electrically connected with the annular electromagnet through the controller, and when the lower annular plate is contacted with the fixed block, the annular electromagnet is contacted with the annular plate.
In foretell purse seine plays catching device, feeder from the top down includes feed inlet, unloading pipe and cylinder case in proper order, the lower extreme of feed inlet is linked together with the upper end of unloading pipe, the lower extreme and the cylinder case of unloading pipe are linked together, the coaxial rotation is provided with the second pivot in the cylinder case, the second pivot is equipped with a plurality of second rotating blade plate along circumference, the cylinder case is close to the lopsidedness of round hole and is equipped with row material pipe, the outer end of arranging the material pipe is located the top of round hole, the outside of cylinder case has set firmly the second motor, the output shaft that the cylinder case and second motor are stretched out to the one end of second pivot links firmly, the second motor is connected with external power source electricity.
A using method of a purse seine catching device comprises the following steps:
s1, starting the first electric winch, releasing the second steel wire rope, and dropping the net cylinder to the water bottom to separate the net cylinder cover and the net cylinder up and down;
s2, adding bait into the feed inlet, starting a second motor to drive a second rotating shaft and a second rotating vane plate to rotate, spraying the bait into the circular hole through the discharge pipe, enabling the bait to fall above the net drum, inducing the shoal to move to a position near the upper part of the net drum, starting a first electric winch, tightening a second steel wire rope, pulling the net drum to move upwards, and taking the shoal into the net drum;
s3, starting the two second electric winches simultaneously, releasing the third steel wire rope, enabling the net drum cover to cover downwards along the second steel wire rope to be arranged on the fish inlet of the net drum, and limiting fish schools in the fishing cavity;
s4, starting the first electric winch and the second electric winch, releasing the second steel wire rope and the third steel wire rope, enabling the net barrel and the net barrel cover to synchronously move downwards to the water bottom, temporarily breeding fish schools in the fishing cavity, starting the fish luring lamp, enabling the fish schools to be gathered near the center of the balancing weight, and then detecting the number of the fish schools in the fishing cavity through the sonar fish detector;
s5, starting the first motor to drive the first rotating shaft and the first rotating blade plate to slowly rotate, stirring water in the fishing cavity, and driving smaller fishes to escape from the net drum through the second through holes;
s6, when fish needs to be taken, the first electric winch and the second electric winch are started, the second steel wire rope and the third steel wire rope are wound, the net cylinder and the net cylinder cover synchronously move upwards to the water surface, then the upper cover plate on the fish taking net cage is opened, and the fish is taken from the fish taking net cage.
Compared with the prior art, the invention has the following advantages:
1. the annular floating body floats on the water surface, the anchor can limit the annular floating body to be washed away by waves, the net cylinder is lowered to the water bottom through the first lifting mechanism, then the net drum cover is lifted upwards to be far away from the net drum through the second lifting mechanism, then the batch feeder is started to feed bait into the round hole, the bait falls to the upper part of the net drum, fish schools are attracted to the upper part of the net drum, then the first lifting mechanism is started to lift the net barrel to the fish school, the fish school enters the net barrel, then the second lifting mechanism is started to lower the net barrel cover to the fish inlet which is contacted with the net barrel, the fish school is limited in the fishing cavity, then simultaneously putting down the net drum cover and the net drum to the water bottom, starting the screening mechanism to drive the small fish in the fishing cavity out of the net drum, improving the fishing quality, when fish catching is needed, the net cylinder and the net cylinder cover are lifted upwards, so that the upper end of the net cylinder floats out of the round hole of the annular floating body, and fish can be conveniently taken;
2. when the net drum needs to be lowered, the first electric winch is started, the second steel wire rope is released, the net drum is lowered to the water bottom through the fixing block, when the net drum needs to be lifted, the first electric winch is started, the second steel wire rope is wound, and the net drum is lifted to the round hole through the fixing block, so that the operation is simple;
3. when fish luring is needed, the two second electric winches are started simultaneously to wind the third steel wire rope, the sleeve on the net drum cover moves upwards along the second steel wire rope to be gradually far away from the net drum, so that bait and fish swarms can conveniently enter the net drum, when fish are needed to be caught, the two second electric winches are started simultaneously to release the third steel wire rope, the sleeve on the net drum cover is lowered onto the fish inlet of the net drum along the second steel wire rope to form a closed fishing cavity, and the structure is simple;
4. when baits are thrown in the feeder, a fish school is induced to move to the position above the net drum, the sonar fish finder is started, when the fish school moves to the position above the net drum and baits are eaten, the first electric winch is started, the second steel wire rope is wound, the net drum is lifted upwards, the fish school is covered into the net drum, meanwhile, the second electric winch is started, the third steel wire rope is released, the net drum cover is placed on the net drum, and the fish school cannot escape from the net drum; in addition, the sonar fish finder can also detect the number of fish schools in a fishing cavity, and lift the net barrel to take fish according to the requirement;
5. the weight block can increase the weight of the net barrel, when the second steel wire rope is put down, the net barrel is enabled to move downwards to the bottom as far as possible, the influence of waves is reduced, when fish schools eat bait above the net barrel, the net barrel is lifted up quickly, the fish schools can accurately enter the net barrel, the fishing effect is improved, in addition, the fish luring lamp is started, the fish schools in the fishing cavity enter different separating cavities, the fish schools are dispersed, and fish taking is facilitated;
6. when fish school enters the fishing cavity, the first motor is started to drive the first rotating shaft and the second rotating blade plate to rotate slowly, fish in the fishing cavity are stirred and escape from all directions, fish with smaller body size escape from the second through hole, larger fish are left, grading screening is realized, small fish are released, and the fishing quality is improved;
7. when fish needs to be taken, the fish luring lamp is started, fish in the fishing cavity enters the separation cavity and the fish taking net box, then the net cylinder and the net cylinder cover are lifted upwards, the upper end of the net cylinder floats out of the water surface, the fixing nut is rotated, the upper cover plate is opened, and the fish is taken from the fish taking net box as required, so that the operation is simple;
8. when the material is thrown to needs, to going into bait in the feed inlet, bait gets into the cylinder incasement along the unloading pipe, starts the second motor, drives second pivot and second and changes the leaf plate and rotate, discharges the bait of cylinder incasement to the round hole along arranging the material pipe in, through the slew velocity of adjusting the second pivot, the speed and the quantity that control bait was put in realize evenly throwing the material.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic structural view of a net drum and a net drum cover;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 3;
FIG. 6 is a cross-sectional view taken at D-D in FIG. 3;
fig. 7 is an operational state diagram of the present invention.
In the figure, 1, an annular floating body; 11. a support plate; 12. a connecting plate; 121. a first through hole; 122. a storage battery; 13. a first wire rope; 131. an anchor; 14. a circular hole; 15. a controller; 2. a first electric winch; 21. a second wire rope; 211. a fixed block; 212. connecting ropes; 3. a net drum; 31. a fishing cavity; 311. a fish inlet; 312. an annular electromagnet; 32. a second through hole; 33. a balancing weight; 331. a mounting cavity; 332. a first motor; 333. a fish luring lamp; 34. a first rotating shaft; 341. a first shaft plate; 35. a partition plate; 36. a third through hole; 4. a mesh cylinder cover; 41. an annular plate; 42. a sleeve; 421. an upper circular plate; 422. a lower annular plate; 43. a third wire rope; 431. a second electric winch; 44. a fish luring lamp; 5. taking a fish net cage; 51. a fourth via hole; 52. a fifth through hole; 53. an upper cover plate; 531. a notch; 532. a stud; 533. fixing a nut; 6. a batch feeder; 61. a feed inlet; 62. a discharging pipe; 63. a cylindrical case; 64. a second rotating shaft; 641. a second rotating vane plate; 65. a discharge pipe; 66. a base; 7. a water surface; 8. the water bottom.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 7, the purse net catching device comprises an annular floating body 1, a connecting plate 12, a net cylinder 3, a net cylinder cover 4, a screening mechanism and a batch feeder 6.
The bottom of the annular floating body 1 is fixedly connected with two anchors 131 through two first steel wire ropes 13, and the two anchors 131 are symmetrically arranged on two sides of the lower side surface of the annular floating body 1.
The upper side surface of the annular floating body 1 is symmetrically provided with two supporting plates 11, and the connecting plate 12 is horizontally and fixedly arranged right above the annular floating body 1 through the two supporting plates 11.
The fishing net comprises a net barrel 3 and is characterized in that a fishing cavity 31 is arranged in the net barrel 3, a fish inlet 311 is arranged at the upper end of the net barrel 3, the fish inlet 311 is in the shape of an outward-expanding horn, the fish inlet 311 is communicated with the fishing cavity 31, the net barrel 3 is arranged under an annular floating body 1 through a first lifting mechanism, and the first lifting mechanism can drive the net barrel 3 to move up and down.
The net cylinder cover 4 is conical, the net cylinder cover 4 is arranged between the annular floating body 1 and the net cylinder 3 through a second lifting mechanism, the second lifting mechanism can drive the net cylinder cover 4 to move up and down along the axial direction of the net cylinder 3, and finally the net cylinder cover 4 is arranged on the fish inlet 311 of the net cylinder 3.
The screening mechanism is arranged in the fishing chamber 31 and can catch smaller fish out of the fishing chamber 31.
The batch feeder is arranged on the annular floating body 1, and the batch feeder 6 can feed bait into the round hole 14.
The annular floating body 1 floats on the water surface 7, the anchor 131 can limit the annular floating body 1 from being washed away by waves, the net barrel 3 is lowered to the water bottom through the first lifting mechanism, then the net barrel cover 4 is lifted upwards to be far away from the net barrel 3 through the second lifting mechanism, then the feeding machine 6 is started to feed baits into the round hole 14, the baits fall to the upper part of the net barrel 3, fish groups are lured to the upper part of the net barrel 3, then the first lifting mechanism is started to lift the net barrel 3 to the fish group position, the fish groups enter the net barrel 3, then the second lifting mechanism is started, the net barrel cover 4 is lowered to the fish inlet 311 contacting the net barrel 3, the fish groups are limited in the fishing cavity 31, then the net barrel cover 4 and the net barrel 3 are lowered to the water bottom at the same time, the screening mechanism is started to drive small fishes in the fishing cavity 31 out of the net barrel 3, the fishing quality is improved, when the fishing is needed, the net barrel 3 and the net barrel cover 4 are lifted upwards, the upper end of the net cylinder 3 floats out of the round hole 14 of the annular floating body 1, so that fish can be conveniently taken.
In particular, the first lifting mechanism comprises a first electric winch 2 and a fixed block 211.
The first electric winch 2 is fixedly arranged on the connecting plate 12, a first through hole 121 is formed in the connecting plate 12, a second steel wire rope 21 is wound on a winding drum of the first electric winch 2, the second steel wire rope 21 sequentially penetrates through the first through hole 121 and the round hole 14 to extend to the lower portion of the annular floating body 1, and the first electric winch 2 is electrically connected with an external power supply.
The fixed block 211 is fixedly arranged at the lower end of the second steel wire rope 21, and the fixed block 211 is fixedly connected with the inner side wall of the net drum 3 through a plurality of connecting ropes 212.
When the net drum 3 needs to be lowered, the first electric winch 2 is started, the second steel wire rope 21 is released, the net drum 3 is lowered to the water bottom 8 through the fixing block 211, when the net drum 3 needs to be lifted, the first electric winch 2 is started, the second steel wire rope 21 is wound, and the net drum 3 is lifted to the round hole 14 through the fixing block 211, so that the operation is simple.
In particular, the second lifting mechanism comprises two second motorized winches 431 and a casing 42.
The two second electric winches 431 are symmetrically arranged at two ends of the lower side surface of the connecting plate 12 respectively, third steel wire ropes 43 are wound on winding drums of the second electric winches 431, the third steel wire ropes 43 penetrate through the round holes 14 and extend to the lower part of the annular floating body 1, the end parts of the third steel wire ropes are fixedly connected with the symmetrical outer edges of the net barrel cover 4 respectively, and the second electric winches 431 are electrically connected with an external power supply.
The sleeve 42 is coaxially and fixedly arranged at the top of the mesh cylinder cover 4, the upper end of the sleeve 42 is fixedly provided with an upper circular plate 421, the lower end of the sleeve 42 extends to the lower part of the mesh cylinder cover 4, the end part of the sleeve 42 is fixedly provided with a lower circular plate 422, and the mesh cylinder cover 4 is arranged on the second steel wire rope 21 in a sliding manner through the sleeve 42.
When fish luring is needed, the two second electric winches 431 are started simultaneously to wind the third steel wire rope 43, the sleeve 42 on the net drum cover 4 moves upwards along the second steel wire rope 21 to be away from the net drum 3 gradually, bait and fish shoals can enter the net drum 3 conveniently, when the fish luring is needed, the two second electric winches 431 are started simultaneously to release the third steel wire rope 43, the sleeve 42 on the net drum cover 4 is placed on the fish inlet 311 of the net drum 3 along the second steel wire rope 21 to form a closed fish catching cavity 31, and the structure is simple.
Specifically, a sonar fish finder 44 is arranged on the inner side wall of the mesh cylinder cover 4, a controller 15 is arranged on the annular floating body 1, and the sonar fish finder 44 is electrically connected with the first electric winch 2 and the two second electric winches 431 through the controller 15.
When bait is thrown by the feeder 6, luring the fish school to move to the upper part of the net cylinder 3, starting the sonar fish finder 44, when the fish school moves to the upper part of the net cylinder 3 and eats the bait, starting the first electric winch 2, rolling the second steel wire rope 21, lifting the net cylinder 3 upwards, covering the fish school into the net cylinder 3, simultaneously starting the second electric winch 431, releasing the third steel wire rope 43, and lowering the net cylinder cover 4 onto the net cylinder 3, so that the fish school cannot escape from the net cylinder 3; in addition, the sonar fish finder 44 can also detect the number of fish in the fishing cavity 31, and lift the net drum 3 to take fish as required.
Specifically, a balancing weight 33 is coaxially and fixedly arranged at the bottom of the net cylinder 3, the balancing weight 33 is conical, a plurality of partition plates 35 are circumferentially arranged between the inner side wall of the net cylinder 3 and the balancing weight 33, a separation cavity is formed between two adjacent partition plates 35, and a fish luring lamp 333 is arranged at the bottom of the separation cavity.
The balancing weight 33 can increase the weight of a net section of thick bamboo 3, when putting down second wire rope 21, make a net section of thick bamboo 3 vertical downwardly moving to submarine 8 as far as possible, reduce the influence of wave, when there is the shoal to eat bait above a net section of thick bamboo 3, lift a net section of thick bamboo 3 fast, make the shoal of fish can accurately get into in the net section of thick bamboo 3, improve and catch the effect, in addition, start luring fish lamp 333, make the shoal of fish chamber 31 get into different separation intracavity, disperse the shoal of fish, be convenient for get the fish.
Specifically, the screening mechanism includes a first shaft 34, a first motor 332, and a plurality of second through holes 32.
The first rotating shaft 34 is coaxially and rotatably arranged in the net drum 3, and a plurality of first rotating vane plates 341 are arranged on the first rotating shaft 34 along the circumferential direction.
The weight block 33 is internally provided with an installation cavity 331, the first motor 332 is fixedly arranged in the installation cavity 331, the lower end of the first rotating shaft 34 extends into the installation cavity 331, the end part of the first rotating shaft is fixedly connected with an output shaft of the first motor 332, and the first motor 332 is electrically connected with an external power supply.
A plurality of second through holes 32 are circumferentially formed in the side wall of the net drum 3 located outside the first rotating blade 341.
When the shoals enter the fishing cavity 31, the first motor 332 is started to drive the first rotating shaft 34 and the second rotating blade plate 341 to slowly rotate, so that the fishes in the fishing cavity 31 are stirred and start to escape around, the fishes with small body sizes escape from the second through holes 32, the larger fishes are left, graded screening is realized, the small fishes are released, and the fishing quality is improved.
Particularly, the bottom of the outer side wall of the net barrel 3 is provided with a plurality of fish net boxes 5 and a plurality of separating cavities along the circumferential direction, the fish net boxes 5 and the separating cavities of the plurality of separating cavities are in one-to-one correspondence, the fish net boxes 5 are arranged on the outer sides of the corresponding separating cavities, the side wall of the net barrel 3 located in the separating cavities is provided with a third through hole 36, the side wall of the net barrel 5 close to the net barrel 3 is provided with a fourth through hole 51, the third through hole 36 and the fourth through hole 51 are right opposite, the upper side face of the fish net box 5 is provided with a fifth through hole 52, and an upper cover plate 53 is arranged on the fifth through hole 52 in a covering mode.
Preferably, the upper cover plate 53 is hinged to the fifth through hole 52 of the fish net box 5, a notch 531 is formed in one side, away from the hinge shaft, of the upper cover plate 53, a stud 532 is arranged on the upper side face of the fish net box 5, when the upper cover plate 53 is covered on the fish net box 5, the stud 532 is inserted into the notch 531, and a fixing nut 533 is screwed on the stud 532.
When fish needs to be taken, the fish attracting lamp 333 is started, the fish in the fishing cavity 31 enters the separation cavity and the fish taking net cage 5, then the net barrel 3 and the net barrel cover 4 are lifted upwards, the upper end of the net barrel 3 floats out of the water surface 7, the fixing nut 533 is rotated, the upper cover plate 53 is opened, and the fish is taken from the fish taking net cage 5 as required, so that the operation is simple.
Specifically, an annular electromagnet 312 is coaxially and fixedly arranged on the inner side wall of the fish inlet 311, an annular plate 41 is arranged on the lower side edge of the mesh cylinder cover 4, a pressure sensor is arranged on the fixed block 211, the pressure sensor is electrically connected with the annular electromagnet 312 through a controller 15, and when the lower annular plate 422 contacts the fixed block 211, the annular electromagnet 312 contacts the annular plate 41.
When the net drum cover 4 is covered downwards on the fish inlet 311 of the net drum 3, the lower circular ring 422 plate at the lower end of the sleeve 42 contacts the fixing block 211, the lower circular ring plate 422 contacts the pressure sensor, the pressure sensor sends a signal to the controller 15, the controller 15 starts the annular electromagnet 312, the annular electromagnet 312 and the annular plate 41 on the net drum cover 4 generate attraction force, the net drum cover 4 is fixed on the net drum 3, fish schools are prevented from escaping from the net drum 3, and the net drum cover is safe and reliable.
Specifically, feeder 6 includes feed inlet 61, unloading pipe 62 and cylinder case 63 from the top down in proper order, the lower extreme of feed inlet 61 is linked together with the upper end of unloading pipe 62, the lower extreme and the cylinder case 63 of unloading pipe 62 are linked together, coaxial rotation is provided with second pivot 64 in the cylinder case 63, second pivot 64 is equipped with a plurality of second rotating blade plate 641 along circumference, cylinder case 63 is close to the one side slope of round hole 14 and is equipped with row material pipe 65, the outer end of arranging material pipe 65 is located the top of round hole 14, the outside of cylinder case 63 sets firmly second motor 642, the one end of second pivot 64 is stretched out cylinder case 63 and is linked firmly with the output shaft of second motor 642, second motor 642 is connected with external power source electricity.
When the material is thrown to needs, to going into bait in the feed inlet 61, bait gets into the cylinder case 63 along unloading pipe 62 in, starts second motor 642, drives second pivot 64 and second commentaries on classics leaf plate 641 and rotates, discharges the bait in the cylinder case 63 to the round hole 14 in along arranging the material pipe 65, through the slew velocity who adjusts second pivot 64, controls the speed and the quantity that bait was put in, realizes evenly throwing the material.
A using method of a purse seine catching device comprises the following steps:
s1, starting the first electric winch 2, releasing the second steel wire rope 21, and dropping the net drum 3 to the water bottom 8 to vertically separate the net drum cover 4 from the net drum 3;
s2, adding bait into the feed inlet 61, starting the second motor 642 to drive the second rotating shaft 64 and the second rotating blade 641 to rotate, spraying the bait into the circular hole 14 through the discharge pipe 65, enabling the bait to fall above the net drum 3, inducing the shoal to swim to a position near the upper part of the net drum 3, starting the first electric winch 2, tightening the second steel wire rope 21, pulling the net drum 3 to move upwards, and taking the shoal into the net drum 3;
s3, the two second electric winches 431 are started simultaneously, the third steel wire rope 43 is released, the net drum cover 4 is covered downwards on the fish inlet 311 of the net drum 3 along the second steel wire rope 21, and fish groups are limited in the fishing cavity 31;
s4, starting the first electric winch 2 and the second electric winch 431, releasing the second steel wire rope 21 and the third steel wire rope 43, enabling the net drum 3 and the net drum cover 4 to synchronously move downwards to the water bottom 8, temporarily breeding fish in the fishing cavity 31, starting the fish luring lamp 333, enabling the fish to be gathered near the center of the balancing weight 33, and then detecting the number of the fish in the fishing cavity 31 through the sonar fish detector 44;
s5, starting the first motor 332 to drive the first rotating shaft 34 and the first rotating blade plate 341 to slowly rotate, stirring the water in the fishing cavity 31, and driving smaller fish to escape from the net drum 3 through the second through holes 32;
s6, when fish taking is needed, the first electric winch 2 and the second electric winch 431 are started, the second steel wire rope 21 and the third steel wire rope 43 are wound, the net drum 3 and the net drum cover 4 synchronously move upwards to the water surface 7, then the upper cover plate 53 on the fish taking net cage 5 is opened, and fish is taken from the fish taking net cage 5.
When fishing is needed, the net barrel 3 is placed to the water bottom 8, then bait is thrown in, the bait is sunk to the position near the upper portion of the net barrel 3, fish schools are induced to eat the bait, the sonar fish finder 44 is started, when the fish schools are detected to swim to the position above the net barrel 3, the net barrel 3 is lifted to the fish school position, the fish schools enter the net barrel 3, the net barrel cover 4 is placed downwards, the fish schools are limited in the fishing cavity 31, then the net barrel 3 and the net barrel cover 4 are placed simultaneously, the fish schools are temporarily cultured in water, meanwhile, small fishes in the fishing cavity 31 escape from the net barrel 3 through the second through holes 32, grading screening is achieved, the fishing time and the fishing quantity are controlled, the operation is simple, the fishing efficiency is improved, and the freshness and the activity of the fishes can be guaranteed.
In the description of this patent, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the patent.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. A seine catching device, comprising: the annular floating body (1) is coaxially provided with a round hole (14), the bottom of the annular floating body (1) is fixedly connected with two anchors (131) through two first steel wire ropes (13), and the two anchors (131) are symmetrically arranged on the lower side surface of the annular floating body (1);
the connecting plate (12) is horizontally and fixedly arranged right above the annular floating body (1) through two supporting plates (11);
the fishing net comprises a net barrel (3), wherein a fishing cavity (31) is arranged in the net barrel (3), a fish inlet (311) is formed in the upper end of the net barrel (3), the fish inlet (311) is in an outward-expanding horn shape, the fish inlet (311) is communicated with the fishing cavity (31), the net barrel (3) is arranged under an annular floating body (1) through a first lifting mechanism, and the first lifting mechanism can drive the net barrel (3) to move up and down;
the net cylinder cover (4) is conical, the net cylinder cover (4) is arranged between the annular floating body (1) and the net cylinder (3) through a second lifting mechanism, the second lifting mechanism can drive the net cylinder cover (4) to move up and down along the axial direction of the net cylinder (3), and finally the net cylinder cover (4) is covered on a fish inlet (311) of the net cylinder (3);
the screening mechanism is arranged in the fishing cavity (31), and can catch smaller fishes out of the fishing cavity (31);
the feeding machine (6) is arranged on the annular floating body (1), and the feeding machine (6) can feed bait into the round hole (14).
2. The seine catching apparatus of claim 1 wherein said first elevating mechanism comprises:
the first electric winch (2) is fixedly arranged on the connecting plate (12), a first through hole (121) is formed in the connecting plate (12), a second steel wire rope (21) is wound on a winding drum of the first electric winch (2), the second steel wire rope (21) sequentially penetrates through the first through hole (121) and the round hole (14) and extends to the position below the annular floating body (1), and the first electric winch (2) is electrically connected with an external power supply;
the fixed block (211), the lower extreme at second wire rope (21) is fixed in fixed block (211), fixed block (211) are connected the inside wall of rope (212) and net section of thick bamboo (3) through a plurality of and are linked firmly.
3. The seine catching apparatus of claim 2 wherein said second lifting mechanism comprises:
the two second electric winches (431) are symmetrically arranged at two ends of the lower side surface of the connecting plate (12) respectively, third steel wire ropes (43) are wound on winding drums of the two second electric winches (431), the two third steel wire ropes (43) penetrate through the circular hole (14) and extend to the lower part of the annular floating body (1), the end parts of the third steel wire ropes are fixedly connected with the symmetrical outer edges of the net drum cover (4) respectively, and the second electric winches (431) are electrically connected with an external power supply;
the wire rope fixing device comprises a sleeve (42), the sleeve (42) is coaxially and fixedly arranged at the top of a net barrel cover (4), an upper circular plate (421) is fixedly arranged at the upper end of the sleeve (42), the lower end of the sleeve (42) extends to the lower portion of the net barrel cover (4), a lower circular plate (422) is fixedly arranged at the end of the lower circular plate, and the net barrel cover (4) is arranged on a second wire rope (21) in a sliding mode through the sleeve (42).
4. The purse seine catching device according to claim 3, characterized in that a sonar fish finder (44) is arranged on the inner side wall of the net cylinder cover (4), a controller (15) is arranged on the annular floating body (1), and the sonar fish finder (44) is electrically connected with the first electric winch (2) and the two second electric winches (431) through the controller (15).
5. The purse net catching device according to claim 4, characterized in that a balancing weight (33) is coaxially and fixedly arranged at the bottom of the net cylinder (3), the balancing weight (33) is conical, a plurality of partition plates (35) are circumferentially arranged between the inner side wall of the net cylinder (3) and the balancing weight (33), a separation cavity is formed between two adjacent partition plates (35), and a fish luring lamp (333) is arranged at the bottom of the separation cavity.
6. The seine catching apparatus of claim 5 wherein said screening mechanism comprises:
the first rotating shaft (34) is coaxially and rotatably arranged in the net drum (3), and a plurality of first rotating vane plates (341) are arranged on the first rotating shaft (34) along the circumferential direction;
the counterweight block (33) is internally provided with an installation cavity (331), the first motor (332) is fixedly arranged in the installation cavity (331), the lower end of the first rotating shaft (34) extends into the installation cavity (331) and the end part of the first rotating shaft is fixedly connected with an output shaft of the first motor (332), and the first motor (332) is electrically connected with an external power supply;
the second through holes (32) are formed in the side wall of the net drum (3) located on the outer side of the first rotating blade plate (341) in the circumferential direction.
7. The purse net catching device according to claim 6, wherein a plurality of fish taking net boxes (5) are arranged at the bottom of the outer side wall of the net cylinder (3) along the circumferential direction, the fish taking net boxes (5) are in one-to-one correspondence with a plurality of separation cavities, the fish taking net boxes (5) are arranged outside the corresponding separation cavities, a third through hole (36) is formed in the side wall of the net cylinder (3) located in the separation cavities, a fourth through hole (51) is formed in the side wall, close to the net cylinder (3), of each fish taking net box (5), the third through hole (36) is opposite to the fourth through hole (51), a fifth through hole (52) is formed in the upper side face of each fish taking net box (5), and an upper cover plate (53) is covered on the fifth through hole (52).
8. The purse net catching device according to claim 7, characterized in that an annular electromagnet (312) is coaxially and fixedly arranged on the inner side wall of the fish inlet (311), an annular plate (41) is arranged on the lower side edge of the net barrel cover (4), a pressure sensor is arranged on the fixed block (211), the pressure sensor is electrically connected with the annular electromagnet (312) through a controller (15), and when the lower annular plate (422) is contacted with the fixed block (211), the annular electromagnet (312) is contacted with the annular plate (41).
9. The purse seine catching device according to claim 8, wherein the batch feeder (6) comprises a feed inlet (61), a blanking pipe (62) and a cylindrical box (63) from top to bottom in sequence, the lower end of the feed inlet (61) is communicated with the upper end of the blanking pipe (62), the lower end of the blanking pipe (62) is communicated with the cylindrical box (63), a second rotating shaft (64) is coaxially and rotatably arranged in the cylindrical box (63), a plurality of second rotating vane plates (641) are circumferentially arranged on the second rotating shaft (64), a discharging pipe (65) is obliquely arranged on one side of the cylindrical box (63) close to the round hole (14), the outer end of the discharging pipe (65) is positioned above the round hole (14), a second motor (642) is fixedly arranged on the outer side of the cylindrical box (63), one end of the second rotating shaft (64) extends out of the cylindrical box (63) and is fixedly connected with an output shaft of the second motor (642), the second motor (642) is electrically connected to an external power source.
10. A using method of a purse seine catching device is characterized by comprising the following steps:
s1, starting the first electric winch (2), releasing the second steel wire rope (21), and dropping the net drum (3) to the water bottom (8) to separate the net drum cover (4) and the net drum (3) up and down;
s2, adding bait into the feed inlet (61), starting a second motor (642) to drive a second rotating shaft (64) and a second rotating vane plate (641) to rotate, spraying the bait into the round hole (14) through a discharge pipe (65), dropping the bait above the net drum (3), inducing the fish school to move to the position near the upper part of the net drum (3), starting a first electric winch (2), tightening a second steel wire rope (21), pulling the net drum (3) to move upwards, and taking the fish school into the net drum (3);
s3, simultaneously starting the two second electric winches (431), releasing the third steel wire rope (43), and enabling the net drum cover (4) to cover downwards on the fish inlet (311) of the net drum (3) along the second steel wire rope (21), wherein fish groups are limited in the fishing cavity (31);
s4, starting the first electric winch (2) and the second electric winch (431), releasing the second steel wire rope (21) and the third steel wire rope (43), enabling the net drum (3) and the net drum cover (4) to synchronously move downwards to the water bottom (8), temporarily breeding fish schools in the fishing cavity (31), starting the fish luring lamp (333), enabling the fish schools to be gathered near the center of the balancing weight (33), and then detecting the number of the fish schools in the fishing cavity (31) through the sonar fish detector (44);
s5, starting the first motor (332) to drive the first rotating shaft (34) and the first rotating blade plate (341) to slowly rotate, stirring water in the fishing cavity (31), and driving smaller fishes to escape from the net drum (3) through the second through holes (32);
s6, when fish taking is needed, the first electric winch (2) and the second electric winch (431) are started, the second steel wire rope (21) and the third steel wire rope (43) are wound, the net drum (3) and the net drum cover (4) synchronously move upwards to the water surface (7), then the upper cover plate (53) on the fish taking net cage (5) is opened, and fish is taken from the fish taking net cage (5).
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| CN202011208772.6A CN112243915B (en) | 2020-11-03 | 2020-11-03 | Purse net catching device and using method |
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| CN112772579A (en) * | 2021-01-27 | 2021-05-11 | 沈锦烨 | Automatic fishing device for river sluice gate and fishing method thereof |
| CN113367090A (en) * | 2021-06-29 | 2021-09-10 | 大连理工大学 | Adjustable deep-sea net cage culture system based on offshore wind power jacket |
| CN115428762A (en) * | 2022-08-17 | 2022-12-06 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Water surface floating type feeding device for aquaculture |
| CN115486400A (en) * | 2022-11-17 | 2022-12-20 | 寿光市畜牧业发展中心 | Marine ranching fishing equipment |
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| CN115486400B (en) * | 2022-11-17 | 2023-04-07 | 山东知柚信息科技有限公司 | Marine ranching fishing equipment |
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