CN108464282B - Jellyfish trawl net for protecting fishery resources - Google Patents
Jellyfish trawl net for protecting fishery resources Download PDFInfo
- Publication number
- CN108464282B CN108464282B CN201810344270.2A CN201810344270A CN108464282B CN 108464282 B CN108464282 B CN 108464282B CN 201810344270 A CN201810344270 A CN 201810344270A CN 108464282 B CN108464282 B CN 108464282B
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- China
- Prior art keywords
- trawl
- jellyfish
- pipe
- net
- fishery resources
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 241000242583 Scyphozoa Species 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 241000251468 Actinopterygii Species 0.000 description 5
- 241000238557 Decapoda Species 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 241001349554 Echinocystis Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
Abstract
The invention discloses a jellyfish trawl for protecting fishery resources, which comprises a trawl, wherein a port of the trawl is connected with a ring pipe, the periphery of the ring pipe is fixedly connected with the trawl, and a cutter is arranged in the trawl; the fishing net comprises a cutter, a ring-shaped pipe, a water pump, a water bag, a water pump.
Description
Technical Field
The invention relates to a jellyfish trawl, in particular to a jellyfish trawl for protecting fishery resources, and belongs to the field of fishing methods of fishing gear.
Background
Jellyfish is an important plankton in aquatic environment, belongs to the class of the echinocystis bowl jellyfish, is a very beautiful aquatic animal, and is like a transparent umbrella in body shape, and the diameter of the umbrella body is large or small. However, as the marine environment pollutes and water eutrophication causes, jellyfishes have gradually evolved into a harmful and disaster-causing organism. The outbreak of jellyfish can cause serious adverse effects on the marine ecosystem. Marine fishery resources are the most direct victims of jellyfish outbreaks. At present, many inventions are dedicated to catch or remove jellyfishes in the ocean, such as: application No.: 201310192373.9 and 201210288542.4. However, the above-mentioned techniques only achieve fishing or removal of jellyfishes, and do not consider factors for protecting fishery resources. Therefore, the above-mentioned techniques have great limitations and the water area used is limited to a certain extent. Especially when the jellyfish outbreak phenomenon occurs in the fishery resource protection area or the fishery resource nursery, if the technology is applied, the jellyfish is eliminated and the fishery resource is also seriously created, thereby seriously influencing the sustainable development of the fishery resource. Therefore, it is necessary to provide a jellyfish trawl for protecting fishery resources, which releases the fishery resources while realizing the fishing of the jellyfish, thereby achieving the reasonable utilization of the fishery resources. The invention provides a jellyfish trawl for protecting fishery resources, which is characterized in that a water inlet pipe is connected with a water pump to pump water into an annular pipe, when the internal pressure of the annular pipe rises, the shape of the annular pipe can be automatically switched, the water flow and the water pressure in a net support are controlled, the contact angle of a jellyfish is prevented from being hung on a cutter, the catching efficiency is influenced, a storage bag is arranged on the periphery of the catching net, the fish and the jellyfish with larger volumes can be stored, and the use is flexible.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a jellyfish trawl for protecting fishery resources.
The invention realizes the purpose through the following technical scheme: a jellyfish trawl for protecting fishery resources comprises a trawl net, wherein a port of the trawl net is connected with a ring pipe, the periphery of the ring pipe is fixedly connected with the trawl net, and a cutter is arranged in the trawl net; a movable mechanism is arranged in the middle of the cutter, a net bag is connected to the tail of the trawl, and the number of meshes of the trawl is larger than that of the cutter;
the annular pipe comprises a plurality of sections of unit pipes, the adjacent unit pipes are communicated through neck pipes, the diameter of each neck pipe is smaller than that of each unit pipe, and a water inlet pipe is arranged on the side wall of the top end of the annular pipe.
Preferably, at least one escape opening is formed in one side, close to the annular pipe, of the joint of the trawl and the cutter.
Further, the cutter is provided with sawtooth sheets at intervals.
Preferably, two corresponding side surfaces of the annular tube are connected with hanging ropes, and one end of each hanging rope is connected with a hanging ring.
Furthermore, a plurality of sinker rings are arranged on two sides of the bottom of the trawl along the length direction of the trawl.
Preferably, a net retracting rope is arranged inside the sinker ring in a penetrating mode.
Furthermore, the net retracting rope is connected to the hanging ring through a pulley.
Preferably, the mesh number of the net bag is larger than that of the trawl net.
Furthermore, a necking rope is arranged at the tail part of the net bag.
Preferably, the movable mechanism is provided with a plurality of connecting rods in a manner of radiating outwards.
The invention has the beneficial effects that:
(1) the ring type pipe is the rubber hose material, prevent water pollution, the ring type pipe includes multistage cell pipe, through the neck pipe intercommunication between the adjacent cell pipe, the diameter of neck pipe is less than the diameter of cell pipe, be equipped with the inlet tube on the ring type pipe top lateral wall, connect the inlet tube to the inside pump water of ring type pipe through the water pump, when ring type pipe internal pressure risees, the ring type pipe can become quadrilateral structure, can realize ring type pipe automatic switch-over shape, rivers and water pressure in the control trawlnet, prevent that jellyfish's feeler from hanging on the cutterbar, the efficiency is caught in the influence.
(2) The cutterbar can cut jellyfish for a short time, releases fish and shrimp in the jellyfish simultaneously, and the one side that the cutterbar is close to the looped pipe with the trawl junction is equipped with at least one escape opening, and fish and shrimp get into the water through the escape opening, effectively release all fisheries when realizing the jellyfish and catching, realize fishery resource sustainable development.
(3) The tail part of the net bag is provided with a necking rope, the necking rope is only required to be tightened when the jellyfish is captured, the mesh number of the net bag is larger than that of the cutter, the jellyfish and other organisms filtered by the cutter enter the net bag, and the jellyfish and other organisms in the jellyfish can be filtered out by the net bag again.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the cutter structure of the present invention;
FIG. 3 is a schematic view of the structure of the loop pipe of the present invention;
in the figure: 1. a loop pipe, 2, a hanging loop, 3, a cutter, 4, a sinker loop, 5, a trawl, 6, a storage bag, 7, a net bag, 8 and an escape opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, belong to the present invention.
Referring to fig. 1-3, a jellyfish trawl for protecting fishery resources comprises a trawl 5, wherein a port of the trawl 5 is connected with a ring pipe 1, the periphery of the ring pipe 1 is fixedly connected with the trawl 5, and a cutter 3 is arranged inside the trawl 5; a movable mechanism is arranged in the middle of the cutter 3, and the tail of the trawl 5 is connected with a net bag 7;
the annular pipe 1 comprises a plurality of sections of unit pipes, the adjacent unit pipes are communicated with each other through neck pipes, the diameters of the neck pipes are smaller than the diameters of the unit pipes, a water inlet pipe is arranged on the side wall of the top end of the annular pipe, the water inlet pipe is connected to the interior of the annular pipe 1 through a water pump, when the internal pressure of the annular pipe 1 rises, the annular pipe 1 can be changed into a quadrilateral structure, and the automatic shape switching of the annular pipe 1 can be realized.
The ring type pipe 1 is the rubber hose material, prevents water pollution, and two sides that the ring type pipe 1 corresponds are provided with the string rope, and string rope one end is provided with link 2, connects trawl 5 on the fishing boat through link 2 when catching the jellyfish, tows trawl 5 through the fishing boat and operates in the sea.
Trawl 5 is equipped with at least one storage bag 6 with 3 junctions of cutterbar, be equipped with the stay cord on the moving mechanism, through the pulling stay cord, make cutterbar 3 carry out jellyfish cutting, fish and shrimp in the jellyfish are released simultaneously, cutterbar 3 is close to ring type pipe 1 one side with 5 junctions of trawl and is equipped with at least one escape opening 8, fish and shrimp escape through escape opening 8, effectively release all fisheries when realizing jellyfish fishing, realize fishery resource sustainable development, 5 bottom both sides of trawl are equipped with a plurality of sinker rings 4 along 5 length direction on the trawl, 4 inboard sinkers' ring passes the receipts screen rope, receive the screen rope through the pulling, gather sinker ring 4 together, it is more convenient to receive the screen.
The mesh number of the net bag 7 is larger than that of the trawl 3, the jellyfish filtered by the cutter 3 and other organisms enter the net bag 7 and are filtered again by the net bag 7, so that the captured jellyfish is prevented from being mixed with a plurality of other organisms, the tail part of the net bag 7 is connected with a necking rope, and the opening and closing of the net bag 7 are adjusted by the necking rope.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A jellyfish trawl for protecting fishery resources comprises a trawl net, wherein a port of the trawl net is connected with a ring pipe, the periphery of the ring pipe is fixedly connected with the trawl net, and a cutter is arranged in the trawl net; the automatic trawl is characterized in that a movable mechanism is arranged in the middle of the cutter, and a net sac is connected to the tail of the trawl;
the annular pipe comprises a plurality of sections of unit pipes, adjacent unit pipes are communicated through neck pipes, the diameter of each neck pipe is smaller than that of each unit pipe, and a water inlet pipe is arranged on the side wall of the top end of the annular pipe;
be equipped with the inlet tube on the annular pipe top lateral wall, connect the inlet tube through the water pump and pump water to the inside of annular pipe, when the inside pressure of annular pipe risees, the annular pipe can become quadrangle structure, can realize annular pipe automatic switch-over shape.
2. A jellyfish trawl for protecting fishery resources according to claim 1, wherein: at least one escape opening is formed in one side, close to the annular pipe, of the joint of the trawl and the cutter.
3. A jellyfish trawl for protecting fishery resources according to claim 2, wherein: the cutter is provided with sawtooth sheets at intervals.
4. A jellyfish trawl for protecting fishery resources according to claim 1, wherein: two corresponding sides of the ring-shaped pipe are connected with hanging ropes, and one end of each hanging rope is connected with a hanging ring.
5. A jellyfish trawl for protecting fishery resources according to claim 4, wherein: and a plurality of sinker rings are arranged on two sides of the bottom of the trawl along the length direction of the trawl.
6. A jellyfish trawl for protecting fishery resources according to claim 5, wherein: and a net retracting rope penetrates through the inner side of the sinker ring.
7. A jellyfish trawl for protecting fishery resources according to claim 6, wherein: the net retracting rope is connected to the hanging ring through a pulley.
8. A jellyfish trawl for protecting fishery resources according to claim 1, wherein: the mesh number of the net bag is larger than that of the trawl net.
9. A jellyfish trawl for protecting fishery resources according to claim 8, wherein: the tail part of the net bag is provided with a necking rope.
10. A jellyfish trawl for protecting fishery resources according to claim 1, wherein: the moving mechanism is provided with a plurality of connecting rods in a radiating mode towards the outer side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344270.2A CN108464282B (en) | 2018-04-17 | 2018-04-17 | Jellyfish trawl net for protecting fishery resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344270.2A CN108464282B (en) | 2018-04-17 | 2018-04-17 | Jellyfish trawl net for protecting fishery resources |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108464282A CN108464282A (en) | 2018-08-31 |
| CN108464282B true CN108464282B (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810344270.2A Expired - Fee Related CN108464282B (en) | 2018-04-17 | 2018-04-17 | Jellyfish trawl net for protecting fishery resources |
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| Country | Link |
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| CN (1) | CN108464282B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112450162A (en) * | 2020-11-03 | 2021-03-09 | 中国水产科学研究院南海水产研究所 | Rectangular net bag |
| CN113728982A (en) * | 2021-08-09 | 2021-12-03 | 江苏省海洋水产研究所 | Novel prevent concurrently catching eel seedling fishing tackle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202172719U (en) * | 2011-08-18 | 2012-03-28 | 余中伟 | Water injection type elevator fishing net |
| KR101474066B1 (en) * | 2012-10-12 | 2014-12-22 | 한국과학기술원 | Apparatus for gathering and cutting a jelly fish |
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2018
- 2018-04-17 CN CN201810344270.2A patent/CN108464282B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN108464282A (en) | 2018-08-31 |
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Granted publication date: 20200519 |
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