CN111972364B - Emergency shrimping purse seine and use method thereof - Google Patents
Emergency shrimping purse seine and use method thereof Download PDFInfo
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- CN111972364B CN111972364B CN202010903610.8A CN202010903610A CN111972364B CN 111972364 B CN111972364 B CN 111972364B CN 202010903610 A CN202010903610 A CN 202010903610A CN 111972364 B CN111972364 B CN 111972364B
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- light source
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- 238000000034 method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 241000058338 Macrobrachium nipponense Species 0.000 claims abstract description 26
- 241000114726 Acetes Species 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000007667 floating Methods 0.000 claims abstract description 11
- 239000011324 bead Substances 0.000 claims description 16
- 241000238557 Decapoda Species 0.000 claims description 10
- 241001223363 Fenneropenaeus orientalis Species 0.000 claims description 3
- 241000114727 Acetes chinensis Species 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 5
- 241001115039 Ruditapes Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process 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
Images
Classifications
-
- 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
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
-
- 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
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
- A01K73/04—Devices for spreading or positioning, e.g. control thereof
-
- 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
-
- 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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
Abstract
The invention discloses an emergency acete chinensis fishing purse net and a using method thereof, wherein the emergency acete chinensis fishing purse net comprises the following steps: a plurality of piece nets and air bags arranged at one side edge of the piece nets; a plurality of sinkers are arranged on one side of the edge of the piece net, which is symmetrical to the air bag, and are distributed at intervals; the air bag is provided with a plurality of grooves at intervals along the length direction, the end part of the air bag is provided with a traction rope, the free end of the traction rope is connected with a traction boat, and the traction boat can drive the sheet net to move to form a surrounding space; at least one light source part is arranged on the water surface in the enclosed space, at least part of the light source part is arranged below the water surface, a floating part is arranged on the light source part, and the floating part can adjust the proportion of the upper part of the water surface to the lower part of the water surface of the light source part; the bottom of the light source part is provided with a monitoring part, and the number of the macrobrachium nipponensis in the water area below the light source part can be monitored through the monitoring part.
Description
Technical Field
The invention relates to a catching purse net, in particular to an emergency shrimping purse net and a using method thereof.
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, as the individual macrobrachium nipponensis is extremely small, the technical parameters of the net for catching the macrobrachium nipponensis have high requirements, but some existing macrobrachium nipponensis nets inevitably catch part of other marine organisms together in the process of intercepting and catching the macrobrachium nipponensis, damage the existing food chains and influence the propagation of other marine organisms to a great extent, influence marine organism resources and sea area environment, and in addition, the existing catching purse nets are directly put into the water area, so that the later-stage enclosure of the plate nets by a towing boat in the water area cannot be realized to form an enclosure space, and in the enclosure process, the macrobrachium nipponensis is induced and gathered firstly through a light source, and the maximized efficiency of catching the macrobrachium nipponensis cannot be realized.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides an emergency shrimping purse net and a using method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: an emergency acete for catching prawns, comprising: a plurality of piece nets and air bags arranged at one side edge of the piece nets;
a plurality of sinkers are arranged on one side of the edge of the sheet net, which is symmetrical to the air bag, and are distributed at intervals;
the air bag is provided with a plurality of grooves at intervals along the length direction, the end part of the air bag is provided with a traction rope, the free end of the traction rope is connected with a traction boat, and the traction boat can drive the sheet net to move to form a surrounding space;
at least one light source part is arranged on the water surface in the enclosed space, at least part of the light source part is arranged below the water surface, a floating part is arranged on the light source part, and the floating part can adjust the proportion of the upper part of the water surface to the lower part of the water surface of the light source part;
the bottom of the light source part is provided with a monitoring part, and the number of the macrobrachium nipponensis in the water area below the light source part can be monitored through the monitoring part.
In a preferred embodiment of the invention, the web is provided with at least one escape opening.
In a preferred embodiment of the invention, the air bag is in a strip-shaped structure, an inflation port is arranged at the end part of the air bag, and air is filled into the air bag through an air pump.
In a preferred embodiment of the invention, the bottom of the light source part is provided with a plurality of lamp beads, and the brightness of the plurality of lamp beads can be adjusted.
In a preferred embodiment of the invention, at least one lamp bead is arranged on the top of the light source element, and the lamp bead can twinkle.
In a preferred embodiment of the invention, when the monitoring part monitors that the number of the macrobrachium nipponensis is larger than a preset threshold value, the towing boat drives the sheet net to move circularly to form a surrounding space.
In a preferred embodiment of the invention, at least one net retracting rope is arranged on one side of the piece net.
In a preferred embodiment of the invention, a plurality of anchor anchors are provided on one side of the sheet web.
In order to achieve the purpose, the invention adopts another technical scheme as follows: a use method of the acete chinensis fishing purse seine comprises the following steps:
s1, fixing one end of a patch net on the seabed through a fixing anchor;
s2, turning on the light source part, adjusting the brightness of the lamp beads below the water surface, and gathering nearby acete chinensis in a water area nearby the light source part in an attracting mode;
s3, when the monitoring part monitors that the number of the macrobrachium nipponensis is larger than a preset threshold value, the sheet net is driven to move along a preset track through a traction ship;
s4, inflating the air bag through the air pump in the moving process of the traction ship, wherein in the inflating process, the air at the groove position outside the air bag is extruded and bent;
and S5, the traction boat drives the net to form a surrounding space, and the shrinkrope is pulled to collect the penaeus orientalis in the surrounding space.
In a preferred embodiment of the present invention, in the process of inflating the air pump in S4, the pressure at the groove of the air bag is lower than the pressure at the positions at the two sides of the groove.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) Put into the sea area with the piece net, through the gathering of some department of light source spare with the ruditapes in the sea area attraction, through the luminance of adjustment light source spare, change the area size that attracts the sea area, can adjust attraction area and the ruditapes quantity according to the size of piece net, make purse seine and ruditapes cooperate, can not cause the purse seine to surpass to bear a burden and catch, improve the life of purse seine.
(2) When the acete chinensis volume after the gathering reaches the predetermined value, enclose into one through the traction ship with the piece net and enclose the space, seal the acete chinensis in enclosing the space, the traction ship removes the in-process, aerify in to the gasbag through the air pump, because be provided with the recess on the gasbag, aerifing the in-process, the gasbag of recess department can be extruded to the gasbag of recess both sides, make the gasbag realize the bending under the effect of gas pressure, gasbag bending angle can be adjusted to the atmospheric pressure size, make things convenient for the acete chinensis to form circular space of enclosing, can the maximize catch the acete chinensis.
(3) Realize through sinker and gasbag cooperation that the piece net is in the vertical direction distribution in the sea area, carrying out the acete chinensis and fishing the in-process, the piece is provided with the escape hatch on the net, can make all the other marine organisms except the acete chinensis escape from, can realize the pertinence and catch, can not destroy marine organism food chain.
(4) The floating piece can control the depth of the light source piece in the water, so that the proportion of the light source piece above the water surface and below the water surface is adjusted, and the depth and the area of the light source piece irradiating the light source in the water are adjusted.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 is a partial perspective view of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of a web according to a preferred embodiment of the present invention;
FIG. 3 is a diagram of a process of a fishing seine operation of a preferred embodiment of the present invention
In the figure: 1. sinking; 2. a hauling rope; 3. towing the ship; 4. a light source element; 5. enclosing a space; 6. air bag, 7, sheet net, 8, groove, 9 and fixing anchor.
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, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations. As shown in fig. 1-2, an emergency acete catching seine includes: a plurality of piece nets and air bags arranged at one side edge of the piece nets;
a plurality of sinkers are arranged on one side of the edge of the sheet net, which is symmetrical to the air bag, and are distributed at intervals;
the air bag is provided with a plurality of grooves at intervals along the length direction, the end part of the air bag is provided with a traction rope, the free end of the traction rope is connected with a traction boat, and the traction boat can drive the sheet net to move to form a surrounding space;
at least one light source part is arranged on the water surface in the enclosed space, at least part of the light source part is arranged below the water surface, a floating part is arranged on the light source part, and the floating part can adjust the proportion of the upper part of the water surface of the light source part to the lower part of the water surface;
the bottom of the light source part is provided with a monitoring part, and the number of the macrobrachium nipponensis in the water area below the light source part can be monitored through the monitoring part.
The seine is placed in the sea area, the light source pieces attract the macrobrachium nipponensis in the sea area to a certain position for gathering, the area size of the attracted sea area is changed by adjusting the brightness of the light source pieces, the attraction area and the number of the macrobrachium nipponensis can be adjusted according to the size of the seine, the seine is matched with the macrobrachium nipponensis, the fishing of the seine with excessive load cannot be caused, the service life of the seine is prolonged, the floating pieces can control the sinking depth of the light source pieces into the water, the proportion of the light source pieces above the water surface and below the water surface is adjusted, and the depth of the light source pieces irradiating the water and the area of the light source are adjusted.
According to the embodiment of the invention, at least one escape opening is formed in the piece net.
It should be noted that the sinker and the air bag are matched to realize that the net pieces are distributed in the sea area in the vertical direction, and in the catching process of the acete chinensis, escape openings are formed in the net pieces, so that other marine organisms except the acete chinensis can escape, targeted catching can be realized, and a marine organism food chain cannot be damaged.
According to the embodiment of the invention, the air bag is in a strip-shaped structure, the end part of the air bag is provided with the inflation inlet, and air is filled into the air bag through the air pump.
It should be noted that, when the amount of the shrimps after gathering reaches the predetermined value, enclose the piece net into an enclosure space through the traction ship, seal the shrimps in enclosing the space, the traction ship removes the in-process, aerify in to the gasbag through the air pump, because be provided with the recess on the gasbag, aerifing the in-process, the gasbag of recess department can be extruded to the gasbag of recess both sides, make the gasbag realize the bending under the effect of gas pressure, gasbag bending angle can be adjusted to the atmospheric pressure size, make things convenient for the round enclosure space of purse seine formation, can the maximize catch the shrimps.
According to the embodiment of the invention, the bottom of the light source part is provided with the plurality of lamp beads, and the brightness of the plurality of lamp beads can be adjusted.
According to the embodiment of the invention, at least one lamp bead is arranged at the top of the light source part and can twinkle.
According to the embodiment of the invention, when the monitoring part monitors that the number of the macrobrachium nipponensis is larger than the preset threshold value, the traction ship drives the sheet net to do circular motion to form a surrounding space.
According to the embodiment of the invention, at least one net retracting rope is arranged on one side of the piece net.
According to the embodiment of the invention, one side of the sheet net is provided with a plurality of fixing anchors.
In order to achieve the purpose, the invention adopts another technical scheme as follows: a method for using a acete for catching prawns comprises the following steps:
s1, fixing one end of a patch net on the seabed through a fixing anchor;
s2, turning on the light source part, adjusting the brightness of the lamp beads below the water surface, and gathering nearby acete chinensis in a water area nearby the light source part in an attracting mode;
s3, when the monitoring part monitors that the number of the macrobrachium nipponensis is larger than a preset threshold value, the sheet net is driven to move along a preset track by the towing ship;
s4, inflating the air bag through the air pump in the moving process of the traction boat, wherein in the inflating process, the air outside the air bag is positioned at the groove and is extruded and bent;
and S5, the traction boat drives the net to form a surrounding space, and the shrinkrope is pulled to collect the penaeus orientalis in the surrounding space.
In fig. 3, A-B are used as net releasing devices, C-F are used as net lifting devices, and water and underwater lights are arranged to attract the Macrobrachium nipponensis to gather into groups.
According to the embodiment of the invention, in the inflating process of the air pump in S4, the pressure at the groove of the air bag is smaller than the pressure at the positions at two sides of the groove.
The seine is placed in the sea area, the light source pieces attract the macrobrachium nipponensis in the sea area to a certain position for gathering, the area size of the attracted sea area is changed by adjusting the brightness of the light source pieces, the attraction area and the number of the macrobrachium nipponensis can be adjusted according to the size of the seine, the seine is matched with the macrobrachium nipponensis, the fishing of the seine with excessive load cannot be caused, the service life of the seine is prolonged, the floating pieces can control the sinking depth of the light source pieces into the water, the proportion of the light source pieces above the water surface and below the water surface is adjusted, and the depth of the light source pieces irradiating the water and the area of the light source are adjusted.
According to the embodiment of the invention, at least one escape opening is formed in the piece net.
It should be noted that the sinkers are matched with the air bags to realize that the net sheets are distributed in the vertical direction in the sea area, and in the process of catching the hair shrimps, escape openings are formed in the net sheets, so that other marine organisms except the hair shrimps can escape, targeted catching can be realized, and a marine organism food chain cannot be damaged.
According to the embodiment of the invention, the air bag is in a strip-shaped structure, the end part of the air bag is provided with the inflation inlet, and air is filled into the air bag through the air pump.
It should be noted that, when monitoring the piece and monitoring the time that the shrapnel quantity is greater than the predetermined threshold value, will drive the circular motion of piece net and form the enclosure space through the traction ship, seal the shrapnel in the enclosure space, the traction ship removes the in-process, aerify to the gasbag through the air pump, because be provided with the recess on the gasbag, in inflating, the gasbag of recess department can be extruded to the gasbag of recess both sides, make the gasbag realize crooked under the effect of gas pressure, gasbag bending angle can be adjusted to atmospheric pressure size, make things convenient for the purse seine to form circular enclosure space, can the maximize catch the shrapnel.
According to the embodiment of the invention, the bottom of the light source part is provided with the plurality of lamp beads, the brightness of the plurality of lamp beads can be adjusted, and the top of the light source part is provided with at least one lamp bead which can twinkle.
In a preferred embodiment of the invention, the size of the net sac head part is larger than that of the net sac tail part.
While the preferred embodiments of the present invention have been described, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made 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 (6)
1. An emergency acete for catching prawns, comprising: a plurality of piece nets and air bags arranged at one side edge of the piece nets; it is characterized in that the preparation method is characterized in that,
a plurality of sinkers are arranged on one side of the edge of the piece net, which is symmetrical to the air bag, and are distributed at intervals;
the air bag is provided with a plurality of grooves at intervals along the length direction, the end part of the air bag is provided with a traction rope, the free end of the traction rope is connected with a traction boat, and the traction boat can drive the sheet net to move to form a surrounding space;
at least one light source part is arranged on the water surface in the enclosed space, at least part of the light source part is arranged below the water surface, a floating part is arranged on the light source part, and the floating part can adjust the proportion of the upper part of the water surface to the lower part of the water surface of the light source part;
the bottom of the light source part is provided with a monitoring part, and the number of the macrobrachium nipponensis in the water area below the light source part can be monitored through the monitoring part;
the film net is provided with at least one escape opening;
when the monitoring piece monitors that the number of the macrobrachium nipponensis is larger than a preset threshold value, the traction boat drives the plate net to move circularly to form a surrounding space;
one side of the piece net is provided with at least one net winding rope, and one side of the piece net is provided with a plurality of fixing anchors.
2. The emergency acete chinensis fishing seine of claim 1, wherein: the air bag is of a long strip-shaped structure, an inflation inlet is formed in the end of the air bag, and air is filled into the air bag through an air pump.
3. The emergency acete chinensis fishing seine of claim 1, wherein: the bottom of the light source part is provided with a plurality of lamp beads, and the brightness of the lamp beads can be adjusted.
4. The emergency acete chinensis fishing seine of claim 1, wherein: at least one lamp bead is arranged at the top of the light source piece and can twinkle.
5. A method for using the acetes chinensis fishing seine as claimed in any of claims 1 to 4, comprising the steps of:
s1, fixing one end of a patch net on the seabed through a fixing anchor;
s2, turning on the light source part, adjusting the brightness of the lamp beads below the water surface, and gathering nearby acete chinensis in a water area nearby the light source part in an attracting mode;
s3, when the monitoring part monitors that the number of the macrobrachium nipponensis is larger than a preset threshold value, the sheet net is driven to move along a preset track by the towing ship;
s4, inflating the air bag through the air pump in the moving process of the traction ship, wherein in the inflating process, the air at the groove position outside the air bag is extruded and bent;
and S5, the traction boat drives the net to form a surrounding space, and the shrinkrope is pulled to collect the penaeus orientalis in the surrounding space.
6. The method for using the acete chinensis fishing seine as claimed in claim 5, wherein the pressure at the groove of the air bag is lower than the pressure at the positions at both sides of the groove during the inflation of the air pump in S4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010903610.8A CN111972364B (en) | 2020-09-01 | 2020-09-01 | Emergency shrimping purse seine and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010903610.8A CN111972364B (en) | 2020-09-01 | 2020-09-01 | Emergency shrimping purse seine and use method thereof |
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| CN111972364B true CN111972364B (en) | 2022-11-01 |
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| US20020095852A1 (en) * | 2000-10-10 | 2002-07-25 | Thomas Bosteels | Harvesting boom with screen having replaceable sections |
| US20030131519A1 (en) * | 2001-11-30 | 2003-07-17 | Fickling Allison H. | Casting net method and apparatus |
| CN201690909U (en) * | 2010-02-02 | 2011-01-05 | 广东富强网业有限公司 | Large net |
| CN103518680A (en) * | 2013-10-15 | 2014-01-22 | 浙江海洋学院 | Tuna purse seine fishery manual fish collecting device |
| CN108849777B (en) * | 2018-06-14 | 2021-01-01 | 中国水产科学研究院黄海水产研究所 | Macrobrachium nipponensis expanding net capable of releasing jellyfish and assembling method thereof |
| CN109329153B (en) * | 2018-10-18 | 2021-08-10 | 浙江海洋大学 | High-efficient trapping system of two systems of catching of large tracts of land waters purse seine breed |
| CN111319060B (en) * | 2020-03-03 | 2021-03-26 | 清华大学 | Soft robot gripping device and gripping method |
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