CN111972360A - Special catching and expanding net for acete chinensis - Google Patents
Special catching and expanding net for acete chinensis Download PDFInfo
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- CN111972360A CN111972360A CN202010902409.8A CN202010902409A CN111972360A CN 111972360 A CN111972360 A CN 111972360A CN 202010902409 A CN202010902409 A CN 202010902409A CN 111972360 A CN111972360 A CN 111972360A
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- net
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- 241000114726 Acetes Species 0.000 title claims abstract description 8
- 241000058338 Macrobrachium nipponense Species 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims 1
- 241000238017 Astacoidea Species 0.000 description 9
- 230000008602 contraction Effects 0.000 description 6
- 241000238557 Decapoda Species 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000005192 partition Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000114727 Acetes chinensis Species 0.000 description 1
- 241001223363 Fenneropenaeus orientalis Species 0.000 description 1
- 241000238559 Macrobrachium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
-
- 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
- A01K69/02—Fixed nets without traps
-
- 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
-
- 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
- A01K75/04—Floats
-
- 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
- A01K75/06—Sinkers
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a special catching and expanding net for acete chinensis, which comprises: the net bag and net wings are arranged on two sides of the net bag; net wings are connected to two sides of the end part of the net bag in a matched mode, the two net wings are symmetrically arranged, the end part of any net wing is connected with at least one pull rope, and the end part of each pull rope is connected with a fixed anchor; adjusting pieces are arranged on the edges of two sides of the net wing, the adjusting pieces are of flexible structures, a first cavity and a second cavity are arranged in the adjusting pieces, a first gas is arranged in the first cavity, a second gas is arranged in the second cavity, the pressures of the first gas and the second gas are different, and the adjusting pieces bend towards one side with small gas pressure; at least one escape opening is formed in the outer side of the net bag and can be opened and closed.
Description
Technical Field
The invention relates to a catching net, in particular to a catching net special for acete chinensis.
Background
The macrobrachium nipponensis is a large zooplankton in plankton groups, is widely distributed in Indian ocean, Pacific ocean and Atlantic ocean, is distributed in China coastal areas, has important economic value, is an important fishery fishing object, is commonly used for producing products such as dried small shrimps, shrimp paste and the like, and has a tendency of outbreak in some offshore areas along with the influence of global climate change in recent years. The explosive appearance of the macrobrachium nipponensis can cause great threat to the safety of water areas, and the macrobrachium nipponensis which appears explosively must be caught to avoid disasters. However, the individual macrobrachium nipponensis is extremely small, so that the technical parameters of the net for catching the macrobrachium nipponensis have high requirements. At present, a crayfish trawl net and a purse net are common operation fishing tools. Only the selectivity of the net to the crayfish is determined, the fishing efficiency of the net to the crayfish can be improved, and for fishing the crayfish, the crayfish net fishing efficiency is high, the selectivity is strong, the mobility is strong, but some existing crayfish nets inevitably catch other marine organisms together in the process of intercepting and fishing the crayfish, the existing food chain is damaged, the breeding of other marine organisms is influenced, marine organism resources and sea area environments are influenced to a great extent, and in addition, the size of the opening of the net bag cannot be adjusted through the gas pressure difference by the existing net.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the special catching and expanding net for the acete chinensis.
In order to achieve the purpose, the invention adopts the technical scheme that: a special catching net for acete chinensis comprises: the net bag and net wings are arranged on two sides of the net bag;
net wings are connected to two sides of the end part of the net bag in a matched mode, the two net wings are symmetrically arranged, the end part of any net wing is connected with at least one pull rope, and the end part of each pull rope is connected with a fixed anchor;
adjusting pieces are arranged on the edges of two sides of the net wing, the adjusting pieces are of flexible structures, a first cavity and a second cavity are arranged in the adjusting pieces, a first gas is arranged in the first cavity, a second gas is arranged in the second cavity, the pressures of the first gas and the second gas are different, and the adjusting pieces bend towards one side with small gas pressure;
at least one escape opening is formed in the outer side of the net bag and can be opened and closed.
In a preferred embodiment of the invention, a plurality of floats are arranged at intervals on one side edge of the net wing.
In a preferred embodiment of the present invention, a plurality of sinkers are disposed at intervals on one side edge of the net wing corresponding to the floats, and the sinkers correspond to the floats one by one.
In a preferred embodiment of the invention, a plurality of inner bags are arranged in the net bag, and are distributed at intervals from the end part to the tail part of the net bag.
In a preferred embodiment of the present invention, the mesh sizes of the plurality of inner bags decrease in sequence from the end portion to the tail portion of the inner bag.
In a preferred embodiment of the invention, an adjusting rope is arranged on any one of the inner bags, and the tension of the inner bag can be adjusted by pulling the adjusting rope.
In a preferred embodiment of the invention, the net bag and the net wings can be fixedly connected through fixing bolts or movably connected through zippers.
In a preferred embodiment of the invention, the first gas pressure is less than the second gas pressure, and the difference between the first gas pressure and the second gas pressure in the regulating member is capable of regulating the opening size of the net wing.
In a preferred embodiment of the invention, the mesh sac is of a conical structure.
In a preferred embodiment of the invention, the tail part of the net sac is provided with a discharge port, and a contraction rope is connected to the discharge port in a matching way, and the discharge port can be contracted through the contraction rope.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) the bending angle of the adjusting piece is realized by injecting gas with different pressures into the first cavity and the second cavity in the adjusting piece, so that the expansion angle of the net wings is adjusted, the opening size of the net is adjusted, and the catching of the penaeus orientalis in different sea areas can be realized.
(2) Can intercept great catch thing through being provided with a plurality of inner bags in the net bag is inside, and progressively intercept through a plurality of inner bags, reduce the interception pressure of net bag, arbitrary one inner bag homoenergetic is taken out alone, releases the catch thing of this inner bag interception, can realize catching the interception to the acete chinensis, still is provided with the escape aperture on the net bag in addition, through the size of a dimension of selecting the escape aperture, carries out the selectivity and releases, and the pertinence is stronger.
(2) The net bag net mouth can be completely opened along the vertical direction through the symmetrically arranged sinkers and the floats, and then the net bag net mouth is fixed through the fixing anchors, so that the maximized interception of the net is realized.
(3) Inner bag mesh reduces along net bag tip to afterbody in proper order, can intercept great catch at net bag port department, when convenient the putting away, and the shrimp of less size still can pass this inner bag entering of locating and collect in the bag.
(4) The net bag afterbody is provided with the shrink rope, and the young shrimp catches the completion back, and the collection of hauling up the net is opened the shrink rope and can be quick emits the collection with the inside young shrimp of net bag, and the flexible operation is convenient.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a partial perspective block diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a mesh bladder of a preferred embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the adjusting member of the preferred embodiment of the present invention;
in the figure: 1. fixing an anchor; 2. sinking; 3. pulling a rope; 4. a float; 5. retracting the cord; 6. the device comprises a discharge port 7, an escape port 8, a net bag 9, a regulating piece 10, net wings 11, an inner bag 12, meshes of the inner bag 13, a regulating rope 14, a first cavity 15, a second cavity 16 and a partition plate.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1-3, a special catching and expanding net for Acetes chinensis comprises: a net bag 8 and net wings 10 arranged at two sides of the net bag 8;
two sides of the end part of the net bag 8 are connected with net wings 10 in a matching way, the two net wings 10 are symmetrically arranged, the end part of any net wing 10 is connected with at least one pull rope 3, and the end part of the pull rope 3 is connected with a fixed anchor 1;
adjusting pieces 9 are arranged on the edges of two sides of the net wing 10, the adjusting pieces 9 are of flexible structures, a first cavity 14 and a second cavity 15 are arranged inside the adjusting pieces 9, a first gas is arranged inside the first cavity 14, a second gas is arranged inside the second cavity 15, the pressures of the first gas and the second gas are different, and the adjusting pieces 9 are bent towards the side with the small gas pressure;
at least one escape opening 7 is arranged on the outer side of the net bag 8, and the escape opening 7 can be opened and closed.
It should be noted that the bending angle of the adjusting part 9 is realized by injecting gas with different pressures into the first cavity 14 and the second cavity 15 in the adjusting part 9, so that the expansion angle of the net wings 10 is adjusted, the opening size of the net is adjusted, the catching of the macrobrachium nipponensis in different sea areas can be realized, the adjusting part 9 is hollow, the inside of the adjusting part 9 is provided with the partition plate 16, and the inside of the adjusting part is divided into the first cavity 14 and the second cavity 15 by the partition plate 16.
In a preferred embodiment of the present invention, a plurality of floats 4 are spaced apart from one side edge of the net wing 10.
In a preferred embodiment of the present invention, a plurality of sinkers 2 are disposed at intervals on one side edge of the net wing 10 corresponding to the floats 4, and the sinkers 2 correspond to the floats 4 one by one.
In a preferred embodiment of the present invention, a plurality of inner bags 11 are disposed inside the mesh bag 8, and the plurality of inner bags 11 are spaced from the end portion to the tail portion of the mesh bag 8.
It should be noted that, the larger catch can be intercepted by arranging the inner bags 11 in the net bag 8, the catch is gradually intercepted by the inner bags 11, the intercepting pressure of the net bag 8 is reduced, any one of the inner bags 11 can be taken out independently, the catch intercepted by the inner bag 11 is released, catching and intercepting for the crayfish can be achieved, the escape opening 7 is further formed in the net bag 8, selective releasing is carried out by selecting the size of the escape opening 7, and the pertinence is strong.
In a preferred embodiment of the present invention, the mesh sizes of the plurality of inner bags 11 are sequentially decreased in the direction from the end portion to the tail portion of the net bag 8.
In a preferred embodiment of the present invention, an adjusting rope 13 is provided on any one of the inner bags 11, and the tension of the inner bag 11 can be adjusted by pulling the adjusting rope 13.
It should be noted that the inner bag mesh holes 12 are sequentially reduced from the end part to the tail part of the net bag 8, so that larger catches can be intercepted at the port of the net bag 8, and the small-sized macrobrachium can still pass through the inner bag 11 to enter the collecting bag while being conveniently released.
In a preferred embodiment of the present invention, the net bag 8 and the net wing 10 can be fixedly connected by a fixing bolt or movably connected by a zipper.
In a preferred embodiment of the invention, the first gas pressure is less than the second gas pressure, and the difference between the first gas pressure and the second gas pressure in the regulating member 9 can adjust the opening size of the net wing 10.
In a preferred embodiment of the invention, the mesh pouch 8 is of a conical configuration.
It should be noted that the net mouth of the net bag 8 can be completely opened in the vertical direction through the symmetrically arranged sinker 2 and the floater 4, and then the net bag is fixed through the fixing anchor 1, so that the maximum interception of the expanded net to the sea area is realized.
In a preferred embodiment of the invention, the tail part of the net bag 8 is provided with a discharge port 6, the discharge port 6 is matched and connected with a contraction rope 5, and the discharge port 6 can be contracted through the contraction rope 5.
It should be noted that the tail of the net bag 8 is provided with the contraction rope 5, and after the crayfish is caught, the net is pulled up for collection, and the shrinkages in the net bag 8 can be quickly discharged and collected by opening the contraction rope 5, so that the operation is flexible and convenient.
In a preferred embodiment of the invention, 4 pull ropes on the net wing can be used in a crossed manner, namely, it can be understood that two pull ropes positioned at symmetrical angles of the net wing are converged on the same fixed anchor, and in this way, the stability of net stretching can be ensured in real time in the process of dragging net stretching.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A special catching net for acete chinensis comprises: the net bag and net wings are arranged on two sides of the net bag; it is characterized in that the preparation method is characterized in that,
net wings are connected to two sides of the end part of the net bag in a matched mode, the two net wings are symmetrically arranged, the end part of any net wing is connected with at least one pull rope, and the end part of each pull rope is connected with a fixed anchor;
adjusting pieces are arranged on the edges of two sides of the net wing, the adjusting pieces are of flexible structures, a first cavity and a second cavity are arranged in the adjusting pieces, a first gas is arranged in the first cavity, a second gas is arranged in the second cavity, the pressures of the first gas and the second gas are different, and the adjusting pieces bend towards one side with small gas pressure;
at least one escape opening is formed in the outer side of the net bag and can be opened and closed.
2. The special macrobrachium nipponensis catching and tensioning net according to claim 1 is characterized in that: a plurality of floats are arranged at intervals on one side edge of the net wing.
3. The special macrobrachium nipponensis catching and tensioning net according to claim 2 is characterized in that: a plurality of sinkers are arranged on the net wing at intervals at one side edge corresponding to the floats, and the sinkers are in one-to-one correspondence with the floats.
4. The special macrobrachium nipponensis catching and tensioning net according to claim 1 is characterized in that: the net bag is internally provided with a plurality of inner bags which are distributed at intervals from the end part to the tail part of the net bag.
5. The special macrobrachium nipponensis catching and tensioning net according to claim 4 is characterized in that: the mesh sizes of the inner bags are sequentially reduced along the direction from the end part to the tail part of the mesh bag.
6. The special macrobrachium nipponensis catching and tensioning net according to claim 4 is characterized in that: and an adjusting rope is arranged on the inner bag, and can be pulled to adjust the tension of the inner bag.
7. The special macrobrachium nipponensis catching and tensioning net according to claim 1 is characterized in that: the net sac and the net wings can be fixedly connected through fixing bolts or movably connected through zippers.
8. The special macrobrachium nipponensis catching and tensioning net according to claim 1 is characterized in that: the first gas pressure is smaller than the second gas pressure, and the opening size of the net wing can be adjusted by the difference between the first gas pressure and the second gas pressure in the adjusting piece.
9. The special macrobrachium nipponensis catching and tensioning net according to claim 1 is characterized in that: the net sac is of a conical structure.
10. The special macrobrachium nipponensis catching and tensioning net according to claim 1 is characterized in that: the net bag tail is provided with the discharge port, the discharge port cooperation is connected with the shrink rope, through the shrink rope can with the discharge port shrink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902409.8A CN111972360A (en) | 2020-09-01 | 2020-09-01 | Special catching and expanding net for acete chinensis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902409.8A CN111972360A (en) | 2020-09-01 | 2020-09-01 | Special catching and expanding net for acete chinensis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111972360A true CN111972360A (en) | 2020-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010902409.8A Pending CN111972360A (en) | 2020-09-01 | 2020-09-01 | Special catching and expanding net for acete chinensis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111972360A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508791A (en) * | 2021-05-31 | 2021-10-19 | 中国水产科学研究院南海水产研究所 | Pointed pen cap snail trawl capable of being quickly caught |
| CN113615650A (en) * | 2021-08-17 | 2021-11-09 | 中国水产科学研究院东海水产研究所 | Efficient fishing method for fishes in large-scale culture facilities |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1400569A1 (en) * | 1986-07-29 | 1988-06-07 | Научно-производственное объединение по промышленному и тепловодному рыбоводству | Trap for fish |
| CN2344984Y (en) * | 1998-09-15 | 1999-10-27 | 李遵安 | Fixed net with catching apparatus |
| RU48455U1 (en) * | 2004-09-21 | 2005-10-27 | Туловский Михаил Васильевич | TOP FISHERMAN TWO-CONE |
| CN101731188A (en) * | 2008-11-11 | 2010-06-16 | 李克成 | Fishing bag in running water |
| CN201938225U (en) * | 2011-03-01 | 2011-08-24 | 浙江省淡水水产研究所 | Movable type fry fishing device |
| CN105707021A (en) * | 2016-03-31 | 2016-06-29 | 周天赐 | Fishing device for aquaculture pond |
| CN108760105A (en) * | 2018-05-29 | 2018-11-06 | 浙江大学 | A kind of bionical hair sensing arrangement of adjustable angle type |
| CN110521681A (en) * | 2019-09-29 | 2019-12-03 | 浙江海洋大学 | A kind of tear-away Cod-ends of Trawl of nested type separation catches and operational method |
-
2020
- 2020-09-01 CN CN202010902409.8A patent/CN111972360A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1400569A1 (en) * | 1986-07-29 | 1988-06-07 | Научно-производственное объединение по промышленному и тепловодному рыбоводству | Trap for fish |
| CN2344984Y (en) * | 1998-09-15 | 1999-10-27 | 李遵安 | Fixed net with catching apparatus |
| RU48455U1 (en) * | 2004-09-21 | 2005-10-27 | Туловский Михаил Васильевич | TOP FISHERMAN TWO-CONE |
| CN101731188A (en) * | 2008-11-11 | 2010-06-16 | 李克成 | Fishing bag in running water |
| CN201938225U (en) * | 2011-03-01 | 2011-08-24 | 浙江省淡水水产研究所 | Movable type fry fishing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508791A (en) * | 2021-05-31 | 2021-10-19 | 中国水产科学研究院南海水产研究所 | Pointed pen cap snail trawl capable of being quickly caught |
| CN113508791B (en) * | 2021-05-31 | 2022-07-12 | 中国水产科学研究院南海水产研究所 | Pointed pen cap snail trawl capable of being quickly caught |
| CN113615650A (en) * | 2021-08-17 | 2021-11-09 | 中国水产科学研究院东海水产研究所 | Efficient fishing method for fishes in large-scale culture facilities |
| CN113615650B (en) * | 2021-08-17 | 2022-11-11 | 中国水产科学研究院东海水产研究所 | Efficient fishing method for fishes in large-scale aquaculture facility |
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Application publication date: 20201124 |
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