CN110292027B - Large-water-surface composite fishing device - Google Patents
Large-water-surface composite fishing device Download PDFInfo
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- CN110292027B CN110292027B CN201910734669.6A CN201910734669A CN110292027B CN 110292027 B CN110292027 B CN 110292027B CN 201910734669 A CN201910734669 A CN 201910734669A CN 110292027 B CN110292027 B CN 110292027B
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- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 241000251468 Actinopterygii Species 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 235000000396 iron Nutrition 0.000 claims description 2
- 241000238557 Decapoda Species 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- A01K69/00—Stationary catching devices
- A01K69/06—Traps
- A01K69/08—Rigid traps, e.g. lobster pots
-
- 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
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
Abstract
The invention relates to a large water surface composite fishing device, which comprises an operation floating platform and a fish blocking net; at least one sinking net cage and at least one combined net cage are arranged in the operation floating platform; the combined net cage comprises 2 adjacent muffs net cages, one side of each muff net cage is provided with an muff which is conical, the large end of each muff faces outwards, and the small end of each muff faces inwards; removable partition armlet nets are arranged between adjacent armlet net cages; four corners of each armhole net cage are provided with a pull-retractable net lifting mechanism, and the pocket bottom of the inner armhole net cage is provided with a pull-retractable lifting mechanism; the upper part of the sinking net cage is of a pot cover-shaped structure, the middle part of the sinking net cage is of a box-shaped structure with holes, and the bottom part of the sinking net cage is provided with a fish outlet bag; the peripheries of the pot cover-shaped structure and the box-shaped structure are provided with tapered cuffs with large ends facing outwards and small ends facing inwards; the net cage is provided with a hoisting device; one end of the fish blocking net is fixed on the armhole net cage at the outer side, and the other end of the fish blocking net obliquely extends and is fixed, so that a fish catching area is formed between the fish blocking net and the corresponding armhole net cage.
Description
Technical Field
The invention relates to a large water surface composite fishing device, and belongs to the technical field of fishing.
Background
China has a large amount of large water surfaces such as lakes, reservoirs and the like, the large water surface fishery is the main body of inland fishery in China, and has irreplaceable effects on the aspects of ecological civilized construction of water areas, guarantee of supply of high-quality aquatic products, promotion of industrial integration, countryside revival and the like. At present, fishing gear mainly used for fishing in large water surface fishery comprises purse nets, barbed nets, stretched nets, ground nets, laid nets, dip nets, masks, traps, fishing gear, raking spines, cage pots and the like. The purse nets and the barbed nets catch the clustered middle-upper fishes, so that the fishing net has strong selectivity on the body length and the body periphery of a caught object, and cannot catch bottom fishes, shrimps, crabs and the like. The net is used for trapping various fishes and shrimps, but the net must be fixedly arranged in a water area with a relatively urgent trend, the larvas of the various fishes and shrimps are not selective, the aquatic organism resources are often greatly damaged, and other nets, the geonet, the laying net, the shoveling net and the like are used more, but the problems are all existed. At present, in order to protect fishery resources, forbidden fishing, rated fishing, timed fishing and the like are mainly adopted for fishing on a large water surface in China, measures such as controlling fishing gear, meshes and the like are also mainly adopted in the fishing process, and the requirement for accurate fishing cannot be met under the conditions of emphasizing ecological restoration of water areas and recovering fishery resources and population structures.
Disclosure of Invention
The invention aims to provide a large water surface composite fishing device, which is used for compositing different fishing gear and fishing methods, can be fixedly installed and can also be moved, can be used for fishing various aquatic animals on large water surfaces, can be used for fishing middle-upper-layer fishes and can also be used for capturing bottom-layer fishes, shrimps, crabs and the like, and has the characteristics of convenience in installation, simplicity in operation, ecology, high efficiency and the like.
The invention adopts the following technical scheme:
a large water surface composite fishing device comprises an operation floating platform 1 and a fish blocking net 3; at least one sinking net cage 4 and at least one combined net cage 2 are arranged in the plane range of the operation floating platform 1; the combined net cage 2 comprises 2 adjacent muff net cages 2-1, one side of each muff net cage 2-1 is provided with an muff 2-3, each muff 2-3 is conical, the big end faces outwards, and the small end faces inwards; the adjacent armhole net boxes 2-1 are communicated through armhole nets, and partition parts are arranged among the armhole nets; four corners of each armhole net cage 201 are provided with a pull-retractable net lifting mechanism 2-4, and the pocket bottom of the inner armhole net cage is provided with a pull-retractable lifting mechanism 2-5; the upper part of the sinking net cage 4 is a pot cover-shaped structure 4-1, the middle part is a box-shaped structure 4-3 with holes, and the bottom part is a fish outlet bag 4-5; the peripheries of the pot cover-shaped structure 4-1 and the box-shaped structure 4-3 are provided with tapered cuffs with large ends facing outwards and small ends facing inwards; the net cage 4 is provided with a hoisting device 5; one end of the fish blocking net 3 is fixed on the armhole net cage 2-1 at the outer side, and the other end extends and is fixed in an inclined way, so that a fish catching area is formed between the fish blocking net 3 and the corresponding armhole net cage 2-1.
In the technical scheme, the combined net cage is mainly used for catching middle and upper layer fishes, the sinking net cage is mainly used for catching benthonic fishes, shrimps and crabs and the like, the combined net cage and the sinking net cage work independently, but are arranged on the same platform without interference, a fishing boat for driving fishes can be arranged in a water area outside the fish blocking net and the sleeve cage net cage, the fishes are driven to the position of the fish blocking net through the fish driving operation and enter the sleeve cage net cage at the outermost side along the fish blocking net, and during the period, the conical sleeve cage plays a good role in guiding and preventing the fishes from escaping in a reverse direction. A pair of armhole net cages in the combined net cage can work independently and can also be matched with each other; when more fishes exist, the fishes firstly enter the muffs cages on the outer sides, after a certain amount of fishes are reached, the fishes are driven into the inner side muffs cages through the muffs nets by pulling the net lifting pull ropes of the cages on the outer sides, after a certain amount of fishes in the inner side muffs cages are reached, net lifting operation is carried out through the pull-line retractable type net lifting mechanisms of the cages on the inner sides, in the net lifting process, the bottoms in the middles of the muffs cages can be lifted by the pull-line retractable type lifting mechanisms, and the functions of catching and classifying are better achieved.
Preferably, the lifting device 5 comprises a cross beam 5-1, two ends of the cross beam 5-1 are fixed on two sides of the bracket 1-1 of the operation floating platform 1, and the height is 2.5m-3.0 m; an electric winch 5-2 is arranged on the cross beam 5-1, and a net cage 4 is lifted and put down by using a mechanical winch pull rope 5-3.
Preferably, the operation floating platform 1 is a floating frame platform type structure, 2 partitions or more partitions are formed, and the operation floating platform is composed of a support 1-1 and a floating body 1-2.
Furthermore, the bracket 1-1 is matched with the floating platform 1 in size, is rectangular or square, and is formed by welding 2 rows of No. 3-5 angle irons or No. 3-5 channel steels or DN15-DN40 galvanized pipes.
Further, the floating bodies 1-2 are one or more of foam blocks, iron drums or floating barrels, the total buoyancy is 1.5 times of the total load weight, and the floating bodies 1-2 are uniformly fixed below the support 1-1 through pipe hoops and the like.
Preferably, the armhole cage net 2-1 is provided with an upper opening, and the headropes of the armhole cage net 2-1 are arranged at intervals of 20cm2-21 floating balls are arranged; 100g of ceramic column type sinkers are arranged on the foot line every 20 cm; the armholes 2-3 of the outer armhole net cage are 1/3 the length of which is equal to the length of the net cage.
Preferably, the fish blocking net 3 is a unilateral piece net with the height exceeding the water depth by 2m, is made of polyethylene, has the mesh of 2-4cm and the length of 30m, and is connected with armholes 2-3 of the outer armhole net cage.
Preferably, the pull-string contraction type net lifting structure 2-3 is contracted through pulling a net manually or mechanically to capture fish.
The invention has the beneficial effects that:
1) the large water surface composite fishing device can be fixedly installed and can also be moved, can be used for fishing various aquatic animals on large water surfaces, and can be used for fishing fishes on the middle and upper layers and also can be used for catching fishes on the bottom layer, shrimps, crabs and the like;
2) has the characteristics of convenient installation, simple operation, ecology, high efficiency and the like.
3) The unique structures of armholes, cuffs, fish blocking nets and the like are arranged, so that the functions of fish catching, catching and classifying are effectively realized.
Drawings
FIG. 1 is a plan view of the large water surface composite fishing device of the present invention.
Fig. 2 is a schematic elevation view of a netpen cage and its lifting device.
In the figure, 1, an operation floating platform, 2, a combined net cage, 3, a fish blocking net, 4, a sinking net cage, 5, a hoisting device, 1-1 brackets, 1-2 floating bodies, 2-1, an armhole net cage, 2-2 floating balls, 2-3 armholes, 2-4, a stay wire contraction type net hoisting structure and 2-5, a stay wire contraction type lifting mechanism.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1-2, the large water surface composite fishing device comprises an operation floating platform 1 and a fish blocking net 3; at least one sinking net cage 4 and at least one combined net cage 2 are arranged in the plane range of the operation floating platform 1; the combined net cage 2 comprises 2 adjacent muff net cages 2-1, one side of each muff net cage 2-1 is provided with an muff 2-3, each muff 2-3 is conical, the big end faces outwards, and the small end faces inwards; the adjacent muff net boxes 2-1 are communicated through muff nets, and partition parts are arranged between the muff nets; four corners of each armhole net cage 201 are provided with a pull-retractable net lifting mechanism 2-4, and the pocket bottom of the inner armhole net cage is provided with a pull-retractable lifting mechanism 2-5; the upper part of the sinking net cage 4 is a pot cover-shaped structure 4-1, the middle part is a box-shaped structure 4-3 with holes, and the bottom part is a fish outlet bag 4-5; the peripheries of the pot cover-shaped structure 4-1 and the box-shaped structure 4-3 are provided with tapered cuffs with large ends facing outwards and small ends facing inwards; the net cage 4 is provided with a hoisting device 5; one end of the fish blocking net 3 is fixed on the armhole net cage 2-1 at the outer side, and the other end extends and is fixed in an inclined way, so that a fish catching area is formed between the fish blocking net 3 and the corresponding armhole net cage 2-1.
In this embodiment, referring to fig. 2, the lifting device 5 comprises a cross beam 5-1, wherein two ends of the cross beam 5-1 are fixed on two sides of the bracket 1-1 of the operation floating platform 1, and the height is 2.5m-3.0 m; an electric winch 5-2 is arranged on the cross beam 5-1, and a net cage 4 is lifted and put down by using a mechanical winch pull rope 5-3.
In this embodiment, referring to fig. 1, the operation floating platform 1 is a floating frame platform type structure, 2 partitions or more partitions, and is composed of a bracket 1-1 and a floating body 1-2.
In this embodiment, referring to fig. 1, the bracket 1-1 is adapted to the size of the floating platform 1, is rectangular or square, and is formed by welding 2 rows of No. 3-5 angle iron or No. 3-5 channel steel or DN15-DN40 galvanized pipes.
In the embodiment, the floating bodies 1-2 are one or more of foam blocks, iron drums or floating drums, the total buoyancy is 1.5 times of the total load weight, and the floating bodies 1-2 are uniformly fixed below the support 1-1 through pipe hoops and the like.
In this embodiment, the armhole cage net 2-1 is open at the upper part, and the headlines of the armhole cage net 2-1 are arranged at intervals of 20cm2-21 floating balls are arranged; 100g of ceramic column type sinkers are arranged on the foot line every 20 cm; the armholes 2-3 of the outer armhole net cage are 1/3 the length of which is equal to the length of the net cage.
In this embodiment, referring to fig. 1, the fish blocking net 3 is a single-sided sheet net with a height exceeding the depth of water by 2m, is made of polyethylene, has a mesh of 2-4cm and a length of 30m, and is connected with armholes 2-3 of the outer armhole net cage.
Referring to fig. 1, a pull-retractable net hauling structure 2-3 is retracted by pulling the net manually or mechanically to catch fish.
When the combined type fishing net cage works specifically, the combined type fishing net cage is mainly used for fishing fishes on the middle and upper layers, the sinking net cage is mainly used for fishing fishes on the bottom layer, shrimps and crabs and the like, the combined type fishing net cage and the sinking net cage work independently, but are arranged on the same platform, interference is avoided, a fishing boat used for driving fishes can be arranged in a water area outside the fish blocking net and the muff net cage, the fishes are driven to the fish blocking net through the fish driving operation, the fishes enter the muff net cage on the outermost side along the fish blocking net, and in the period, the conical muffs play a good role in guiding and preventing the fishes from escaping in a reverse direction. A pair of armhole net cages in the combined net cage can work independently and can also be matched with each other. When the two-side net cage is matched with each other, when more fishes exist, the fishes firstly enter the outer muff net cage, after a certain amount of fishes are reached, the fishes are driven into the inner muff net cage through the muff net by pulling the net lifting pull ropes of the outer net cage, after the fishes in the inner muff net cage reach a certain amount, net lifting operation is carried out through the pull-line retractable type net lifting mechanism of the inner net cage, in the net lifting process, the bottom in the middle of the muff net cage can be lifted up through the pull-line retractable type lifting mechanism, and the functions of catching and classifying are better realized.
The movable fishing device can be fixedly installed and can also be moved, can be used for fishing various aquatic animals on a large water surface, can be used for fishing fishes on the middle and upper layers, can also be used for capturing fishes on the bottom layer, shrimps, crabs and the like, and has the characteristics of convenience in installation, simplicity in operation, ecology, high efficiency and the like.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a device is catched to big water face complex which characterized in that:
comprises an operation floating platform (1) and a fish blocking net (3);
at least one combined net cage (2) and at least one sinking net cage (4) are arranged in the plane range of the operation floating platform (1);
the combined net cage (2) comprises 2 adjacent armhole net cages (2-1), armholes (2-3) are arranged on one side of each armhole net cage (2-1), each armhole (2-3) is conical, the large end faces outwards, and the small end faces inwards; removable partition armhole nets are arranged between the adjacent armhole net boxes (2-1); four corners of each armhole net cage (201) are provided with a pull-retractable net lifting mechanism (2-4), and the pocket bottom of the inner armhole net cage is provided with a pull-retractable lifting mechanism (2-5);
the upper part of the sinking net cage (4) is a pot cover-shaped structure (4-1), the middle part is a box-shaped structure (4-3) with holes, and the bottom part is a fish outlet bag (4-5); the peripheries of the pot cover-shaped structure (4-1) and the box-shaped structure (4-3) are provided with tapered cuffs with large ends facing outwards and small ends facing inwards; the net cage (4) is provided with a hoisting device (5);
one end of the fish blocking net (3) is fixed on the armhole net cage (2-1) at the outer side, and the other end extends obliquely and is fixed, so that a fish catching area is formed between the fish blocking net (3) and the corresponding armhole net cage (2-1);
the lifting device (5) comprises a cross beam (5-1), two ends of the cross beam (5-1) are fixed on two sides of a support (1-1) of the operation floating platform (1), and the height is 2.5m-3.0 m; an electric winch (5-2) is arranged on the cross beam (5-1), and a net cage (4) is lifted and put down by using a mechanical winch stay rope (5-3);
the operation floating platform (1) is of a floating frame platform type structure, 2 partitions or more partitions are arranged, and the operation floating platform consists of a bracket (1-1) and a floating body (1-2);
the big ends of the armholes (2-3) of the adjacent armhole net boxes (2-1) face the same direction and are outward at the same time.
2. The large water surface composite fishing device according to claim 1, characterized in that: the bracket (1-1) is matched with the floating platform (1) in size, is rectangular or square, and is formed by welding 2 rows of No. 3-5 angle irons or No. 3-5 channel steels or DN15-DN40 galvanized pipes.
3. The large water surface composite fishing device according to claim 1, characterized in that: the floating bodies (1-2) are one or more of foam blocks, iron drums or floating drums, the total buoyancy is 1.5 times of the total load weight, and the floating bodies (1-2) are uniformly fixed below the supports (1-1) through pipe hoops and the like.
4. The large water surface composite fishing device according to claim 1, characterized in that: the armhole cage net (2-1) is provided with an opening at the upper part, and the upper lines of the armhole cage net (2-1) are installed at intervals of 20cm and are respectively provided with 1 floating ball (2-2) which is 15cm in length; 100g of ceramic column type sinkers are arranged on the foot line every 20 cm; the armholes (2-3) of the outer armhole net cage are 1/3 the length of which is equal to the length of the net cage; the two muff net cages are communicated with each other through the muff net.
5. The large water surface composite fishing device according to claim 1, characterized in that: the fish blocking net (3) is a unilateral piece net with the height exceeding the water depth by 2m, is made of polyethylene, has the mesh of 2-4cm and the length of 30m, and is connected with armholes (2-3) of the outer armhole net cage.
6. The large water surface composite fishing device according to claim 1, characterized in that: the net hauling mechanism (2-4) of the pull line contraction type catches the fish by manually or mechanically pulling the net to contract.
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CN201910734669.6A CN110292027B (en) | 2019-08-09 | 2019-08-09 | Large-water-surface composite fishing device |
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CN201910734669.6A CN110292027B (en) | 2019-08-09 | 2019-08-09 | Large-water-surface composite fishing device |
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CN110292027B true CN110292027B (en) | 2021-08-31 |
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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 |
CN114246163B (en) * | 2021-12-20 | 2023-01-17 | 集美大学 | Automatic fishing device of leisure fishery of electronic information management |
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CN203457674U (en) * | 2013-08-14 | 2014-03-05 | 中国水产科学研究院南海水产研究所 | Catching device for fishes of different grades and specifications |
CN205848393U (en) * | 2016-07-25 | 2017-01-04 | 苏州市申航生态科技发展股份有限公司 | A kind of fishing net case apparatus |
Family Cites Families (1)
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US20050198892A1 (en) * | 2004-03-10 | 2005-09-15 | Lin Jun H. | Underwater trap structure |
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2019
- 2019-08-09 CN CN201910734669.6A patent/CN110292027B/en active Active
Patent Citations (7)
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CN2310457Y (en) * | 1997-09-15 | 1999-03-17 | 吴孝顺 | Universal fish catching net |
CN2331169Y (en) * | 1998-03-03 | 1999-08-04 | 唐正国 | Stationary net tool for attracting fish |
CN102349476A (en) * | 2011-08-15 | 2012-02-15 | 中国水产科学研究院淡水渔业研究中心 | Fishing device for cultured fishes |
CN202504055U (en) * | 2012-02-10 | 2012-10-31 | 丁伟 | Pond fish catching net box |
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CN103478087A (en) * | 2013-09-23 | 2014-01-01 | 浙江海洋学院 | Fish catching device of fishing boat |
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