CN109258583A - A method of it drags a net in fishing using convenient for the mesopelagic (200 meter Dao1000 meter Shui Shen) of across obstacle - Google Patents
A method of it drags a net in fishing using convenient for the mesopelagic (200 meter Dao1000 meter Shui Shen) of across obstacle Download PDFInfo
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- CN109258583A CN109258583A CN201810924058.3A CN201810924058A CN109258583A CN 109258583 A CN109258583 A CN 109258583A CN 201810924058 A CN201810924058 A CN 201810924058A CN 109258583 A CN109258583 A CN 109258583A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000004888 barrier function Effects 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 19
- 239000013535 sea water Substances 0.000 claims abstract description 8
- 241000251468 Actinopterygii Species 0.000 claims abstract description 7
- 238000013022 venting Methods 0.000 claims description 16
- 238000005273 aeration Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims 1
- 230000007812 deficiency Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
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Abstract
The invention discloses a kind of methods for dragging a net in fishing of mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle, it is intended to solve the problems, such as mesopelagic (200 meter Dao1000 meter Shui Shen) drag a net in fishing process easily occurs etting tear, infraclass serious wear, seriously affected the deficiency of mesopelagic (200 meter Dao1000 meter Shui Shen) fishing operation.When dragging a net in fishing, it drags guiding principle to be connected on fishing boat, entire trawlnet be casted net into seawater, under trawlnet into seawater, fishing boat pulls trawlnet to move forward capture fish, when encountering barrier, the idler wheel in crossing frame being connected in trawlnet infraclass first with bar contact and roll across barrier, crossing frame rotation release Impact energy, it is mobile to installation set direction that plate is abutted simultaneously, entire telescopic rod and infraclass is driven to pop up, trawlnet is retracted into acquisition fish on fishing boat after a certain period of time and obtained by across obstacle.
Description
Technical field
The present invention relates to a kind of fishing methods, more specifically, it relates to which a kind of utilize the middle depth for being convenient for across obstacle
The method that sea drags a net in fishing.
Background technique
With the sharply decline of traditional continental shelf fishery resources, the weight of the exploitations of mesopelagic (200 meter Dao1000 meter Shui Shen) fishery resources by many countries
Depending on.From the West Africa of China in 1985, ocean property deep-sea fishing excessively starts to walk, and property deep-sea fishing in ocean mainly develops shallow water fishery within 100m excessively
Resource, by 30 years developments, ocean property tradition coastal water fishery resource exploitation excessively faces new bottleneck period, and related associated nations are successive
Littoral and near-coastal resources protections are strengthened, it is increasingly strict to enter fishing regulation, it is therefore desirable to open up new fishing ground to ocean property mesopelagic (200 meter Dao1000 meter Shui Shen) excessively
New resources.Existing trawl fishing technical conditions are not able to satisfy distant water fishery development need, since the mesopelagic (200 meter Dao1000 meter Shui Shen) depth of water is deeper, seabed
The problem of environment is complex, and etting tearing, infraclass serious wear are tended to occur in operation process, seriously affects mesopelagic (200 meter Dao1000 meter Shui Shen) and catches
Fish out operation.Therefore the mesopelagic (200 meter Dao1000 meter Shui Shen) trawlnet for designing a kind of energy across obstacle, prevents etting from wearing, improves existing Fishing technology, right
Play a significant role in the new fishing ground in China exploitation mesopelagic (200 meter Dao1000 meter Shui Shen), new resources.
Summary of the invention
The present invention overcomes mesopelagic (200 meter Dao1000 meter Shui Shen) drag a net in fishing process easily occur etting tearing, infraclass serious wear the problem of, seriously
The deficiency for affecting mesopelagic (200 meter Dao1000 meter Shui Shen) fishing operation provides a kind of side that the mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle drags a net in fishing
Method, during fishing operation fishnet infraclass can across obstacle, avoid fishnet from touching barrier and occur etting tearing, under
The problems such as guiding principle is worn, is conducive to fishing operation.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme: it is a kind of using convenient for across obstacle
The method that mesopelagic (200 meter Dao1000 meter Shui Shen) drags a net in fishing, including trawlnet, trawlnet include etting, exaggerated, infraclass, drag guiding principle, exaggerated upper connection float, infraclass
Upper connection expansion link is rotatably set with several crossing frames on telescopic rod, and crossing frame includes installation set, is uniformly arranged in installation set
On several struts, several support columns for being arranged in a one-to-one correspondence with strut, connect support plate on strut, the connection of support column one end is supported
Fishplate bar, the other end connect the connecting rods of several diverging arrangements outward, and connection boom end installs idler wheel, abut plate and support plate it
Between leftward position and right positions be mounted on and pull spring and press spring, pull the both ends of spring respectively with abut plate and branch
Fagging connection presses spring activity and is connected between abutting plate and support plate；When dragging a net in fishing, drags guiding principle and be connected on fishing boat, it will
Entire trawlnet is casted net into seawater, and under trawlnet into seawater, fishing boat pulls trawlnet to move forward capture fish, when encountering barrier
When, idler wheel in crossing frame first with bar contact and roll across barrier, crossing frame rotation release Impact energy abuts simultaneously
Plate is mobile to installation set direction, drives entire telescopic rod and infraclass to pop up, across obstacle after a certain period of time receives trawlnet
Acquisition fish on fishing boat is played to obtain.
When idler wheel touches barrier, connecting rod, support column abut plate together to the movement of support plate direction, due to supporting
Leftward position and right positions, which are mounted on, between fishplate bar and support plate pulls spring and presses spring, therefore acts on support plate
On power more balance, unilateral side will not be biased to, be conducive to that entire telescopic rod and infraclass is driven to pop up.It is arranged several outward
The connecting rod for dissipating arrangement, increases rum point, it is ensured that idler wheel can touch barrier and make trawlnet across barrier.Installation
Set is rotatably installed on telescopic rod, and several struts are uniformly arranged in crossing frame, when idler wheel touches barrier, along with water flow
Effect, be able to drive crossing frame rotation, get over barrier convenient for crossing frame.It is this to utilize the mesopelagic (200 meter Dao1000 meter Shui Shen) for being convenient for across obstacle
The method to drag a net in fishing, during fishing operation fishnet infraclass can across obstacle, avoid fishnet from touching barrier and go out
The problems such as existing etting tearing, infraclass abrasion, be conducive to fishing operation.
Preferably, in support plate and pressing spring one-to-one correspondence equipped with positioning tube, it is equipped between positioning tube and abutting plate
Gap is avoided, spring is pressed and is mounted in positioning tube.The setting of positioning tube positions convenient for pressing the installation of spring.
Preferably, being equipped with bearing between installation set and telescopic rod.The rotation of crossing frame is convenient in the setting of bearing.
Preferably, telescopic rod includes several bodies of rod being actively plugged in together.The body of rod is mutually actively plugged in together,
Convenient for carrying out scaling operation adjustment length to telescopic rod.
Preferably, being equipped with high pressure tank and piston cylinder on strut, piston is installed in piston cylinder, abuts plate and piston
Between connect push rod, piston will be separated into venting cavity and sliding cavity inside piston cylinder, push rod seal pass through piston cylinder barrel and
Venting cavity connects air bag in support plate, and gas tube is connected between air bag and venting cavity, and piston drum outer wall is equipped with extension, prolongs
Stretch and sealing-plug be installed in pipe, push the spring is installed in sealing-plug rear end in extension, sealing-plug front end be connected on piston outer wall and
Close to piston upper surface position, sealing-plug be equipped with axially through aeration aperture, extension is equipped with air inlet, sealing-plug outer wall
Sealing cover closes air inlet, and escape pipe is connected between air inlet and high pressure tank, and piston is equipped with air vent, and air vent upper end is passed through
Lead to piston upper surface, air vent lower end penetrates into piston side wall, and on piston cylinder side wall and air vent lower end is correspondingly provided with exhaust
Hole, gas vent is close to piston position.
It dragging a net in fishing and encounters barrier, while crossing frame pops up, push rod is pushed by abutting plate to piston cylinder direction,
Piston is mobile to sliding cavity direction, and air vent lower end is staggered with gas vent, and sealing-plug and piston separate, and sealing-plug is to piston cylinder side
To movement, sealing-plug and air inlet separation, the high pressure gas in high pressure tank successively pass through escape pipe, air inlet, aeration aperture,
Entering in air bag after venting cavity, gas tube, air bag bulges buoyancy increase, and drive entire telescopic rod and infraclass to pop up,
Across obstacle；When push rod return, return, piston outer wall push sealing-plug return to band piston together, and sealing corking closes air inlet
Hole, air vent lower end and gas vent are aligned, and the gas in air bag is discharged by gas tube, venting cavity, air vent, gas vent
It deflates.This structure setting is more conducive to trawlnet across obstacle, and fishnet is avoided to touch barrier and etting occur
The problems such as tearing, infraclass abrasion.
Preferably, the tapered structure in sealing-plug front end, piston upper end outer edge is equipped with the guide surface being obliquely installed.Guiding
The setting in face is convenient for pushing sealing-plug return when piston return.
Barrier is encountered preferably, dragging a net in fishing, while crossing frame pops up, push rod is by abutting plate to piston cylinder
Direction pushes, and piston is mobile to sliding cavity direction, and air vent lower end is staggered with gas vent, sealing-plug and piston separation, sealing-plug
Mobile to piston cylinder direction, sealing-plug and air inlet separate, and the high pressure gas in high pressure tank successively passes through escape pipe, air inlet
Enter in air bag after hole, aeration aperture, venting cavity, gas tube, air bag bulges buoyancy increase, drives entire telescopic rod and infraclass
It pops up, across obstacle；When push rod return, return, piston outer wall push sealing-plug return, sealing-plug to band piston together
Lid closes air inlet, air vent lower end and gas vent alignment, and the gas in air bag passes through gas tube, venting cavity, air vent, gas vent
It discharges and deflates.
Compared with prior art, the beneficial effects of the present invention are: dragging a net in fishing using convenient for the mesopelagic (200 meter Dao1000 meter Shui Shen) of across obstacle
Method, during fishing operation fishnet infraclass can across obstacle, avoid fishnet from touching barrier and etting occur and tear
Split, infraclass abrasion the problems such as, be conducive to fishing operation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of the crossing frame of the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of the crossing frame of the embodiment of the present invention 2；
Fig. 4 is the crossing frame partial structural diagram of the embodiment of the present invention 2；
In figure: 1, etting, 2, exaggerated, 3, infraclass, 4, drag guiding principle, 5, float, 6, telescopic rod, 7, installation set, 8, strut, 9, support
Column, 10, support plate, 11, abut plate, 12, connecting rod, 13, idler wheel, 14, pull spring, 15, press spring, 16, positioning tube,
17, bearing, 18, high pressure tank, 19, piston cylinder, 20, piston, 21, push rod, 22, venting cavity, 23, sliding cavity, 24, air bag,
25, gas tube, 26, extension, 27, sealing-plug, 28, push the spring, 29, aeration aperture, 30, air inlet, 31, escape pipe, 32, put
Stomata, 33, gas vent, 34, guide surface.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention is further described:
Embodiment 1: a kind of method (referring to attached drawing 1, attached drawing 2) that the mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle drags a net in fishing, packet
Include trawlnet, trawlnet includes etting 1, exaggerated 2, infraclass 3, drags guiding principle 4, exaggerated upper connection float 5, and connection expansion link 6 in infraclass stretches
Rotatably be set with several crossing frames on bar, crossing frame include installation set 7, three struts 8 being uniformly arranged in installation set, with
Several support columns 9 that strut is arranged in a one-to-one correspondence, are equipped with bearing 17 between installation set and telescopic rod, telescopic rod includes several
It is actively plugged in the body of rod together.Support plate 10 is connected on strut, the connection of support column one end abuts plate 11, and other end connection is several
Root dissipates the connecting rod 12 of arrangement outward, and connection boom end installs idler wheel 13, and roller axis is arranged in parallel with installation set axis, supports
Leftward position and right positions, which are mounted on, between fishplate bar and support plate pulls spring 14 and presses spring 15, pulls the two of spring
End is connect with abutting plate and support plate respectively, is pressed spring activity and is connected between abutting plate and support plate；When dragging a net in fishing, drag
Guiding principle is connected on fishing boat, and entire trawlnet is casted net into seawater, and under trawlnet into seawater, fishing boat pulls trawlnet to move forward capture
Fish, when encountering barrier, idler wheel in crossing frame first with bar contact and roll across barrier, crossing frame rotation release
Impact energy, while plate is abutted to the movement of installation set direction, drive entire telescopic rod and infraclass to pop up, across obstacle,
Trawlnet acquisition fish on fishing boat is retracted into after a certain period of time to obtain.In support plate and press spring correspond be equipped with positioning tube 16,
It is equipped with evacuation gap between positioning tube and abutting plate, presses spring and is mounted in positioning tube.
When idler wheel touches barrier, connecting rod, support column abut plate together to the movement of support plate direction, due to supporting
Leftward position and right positions, which are mounted on, between fishplate bar and support plate pulls spring and presses spring, therefore acts on support plate
On power more balance, unilateral side will not be biased to, be conducive to that entire telescopic rod and infraclass is driven to pop up.It is arranged several outward
The connecting rod for dissipating arrangement, increases rum point, it is ensured that idler wheel can touch barrier and make trawlnet across barrier.Installation
Set is rotatably installed on telescopic rod, and several struts are uniformly arranged in crossing frame, when idler wheel touches barrier, along with water flow
Effect, be able to drive crossing frame rotation, get over barrier convenient for crossing frame.It is this to utilize the mesopelagic (200 meter Dao1000 meter Shui Shen) for being convenient for across obstacle
The method to drag a net in fishing, during fishing operation fishnet infraclass can across obstacle, avoid fishnet from touching barrier and go out
The problems such as existing etting tearing, infraclass abrasion, be conducive to fishing operation.
Embodiment 2: a kind of to utilize the method for being convenient for the mesopelagic (200 meter Dao1000 meter Shui Shen) of across obstacle to drag a net in fishing (referring to attached drawing 3, attached drawing
4), crossing frame structure and fishing method are similar to Example 1, and main difference is equipped on strut in this present embodiment
High pressure tank 18 and piston cylinder 19, piston cylinder is interior to install piston 20, abuts and connects push rod 21 between plate and piston, piston will live
Venting cavity 22 and sliding cavity 23 are separated into inside plug tube, push rod seal passes through the barrel and venting cavity of piston cylinder, connects in support plate
Air bag 24 is connect, gas tube 25 is connected between air bag and venting cavity, piston drum outer wall is equipped with extension 26, and installation is close in extension
Blocking 27, push the spring 28 is installed in sealing-plug rear end in extension, and sealing-plug front end is connected on piston outer wall and close to piston
Upper surface location, sealing-plug be equipped with axially through aeration aperture 29, extension be equipped with air inlet 30, sealing-plug outer wall sealing
Lid closes air inlet, and escape pipe 31 is connected between air inlet and high pressure tank, and piston is equipped with air vent 32, and air vent upper end is passed through
Lead to piston upper surface, air vent lower end penetrates into piston side wall, and on piston cylinder side wall and air vent lower end is correspondingly provided with exhaust
Hole 33, gas vent is close to piston position.Sealing-plug front end tapered structure, piston upper end outer edge are equipped with and are obliquely installed
Guide surface 34.It drags a net in fishing and encounters barrier, while crossing frame pops up, push rod is pushed away by abutting plate to piston cylinder direction
Dynamic, piston is mobile to sliding cavity direction, and air vent lower end is staggered with gas vent, and sealing-plug and piston separate, and sealing-plug is to piston
Cylinder direction is mobile, sealing-plug and air inlet separation, and the high pressure gas in high pressure tank successively passes through escape pipe, air inlet, fills
Enter in air bag after stomata, venting cavity, gas tube, air bag bulges buoyancy increase, drives entire telescopic rod and infraclass upward
It bounces, across obstacle；When push rod return, return, piston outer wall push sealing-plug return to band piston together, and sealing corking is closed
Air inlet, air vent lower end and gas vent are aligned, and the gas in air bag is outside by gas tube, venting cavity, air vent, gas vent
Discharge is deflated.Other crossing frame structures and fishing method are same as Example 1.
Embodiment described above is two kinds of preferable schemes of the invention, is not made in any form to the present invention
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (7)
1. a kind of method for dragging a net in fishing of mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle, including trawlnet, trawlnet include etting, on
Guiding principle, infraclass drag guiding principle, exaggerated upper connection float, characterized in that connection expansion link in infraclass, if being rotatably set on telescopic rod
Dry crossing frame, if crossing frame includes that installation set, several struts being uniformly arranged in installation set and strut are arranged in a one-to-one correspondence
Heavenly Stems and Earthly Branches dagger, connects support plate on strut, the connection of support column one end abuts plate, and the other end connects several diverging arrangements outward
Connecting rod, connection boom end install idler wheel, abut leftward position and right positions between plate and support plate and are mounted on pulling bullet
Spring and press spring, pull the both ends of spring respectively with abut plate and support plate is connect, press spring activity and be connected to abutting plate
Between support plate；It when dragging a net in fishing, drags guiding principle and is connected on fishing boat, entire trawlnet is casted net into seawater, seawater is arrived under trawlnet
In, fishing boat pulls trawlnet to move forward capture fish, when encountering barrier, idler wheel in crossing frame first with bar contact
And barrier is rolled across, crossing frame rotation release Impact energy, while plate is abutted to the movement of installation set direction, drive entire telescopic rod
It is popped up with infraclass, across obstacle, trawlnet is retracted into acquisition fish on fishing boat after a certain period of time and is obtained.
2. the method that a kind of mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle according to claim 1 drags a net in fishing, feature
It is in support plate and to press spring one-to-one correspondence equipped with positioning tube, evacuation gap is equipped between positioning tube and abutting plate, presses bullet
Spring is mounted in positioning tube.
3. the method that a kind of mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle according to claim 1 drags a net in fishing, feature
It is that bearing is installed between installation set and telescopic rod.
4. the method that a kind of mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle according to claim 1 drags a net in fishing, feature
It is that telescopic rod includes several bodies of rod being actively plugged in together.
What 5. a kind of mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle according to any one of claims 1 to 4 dragged a net in fishing
Method, characterized in that high pressure tank and piston cylinder be installed on strut, piston is installed in piston cylinder, abut plate and piston it
Between connect push rod, piston will be separated into venting cavity and sliding cavity inside piston cylinder, push rod seal passes through the barrel of piston cylinder and logical
Air cavity connects air bag in support plate, and gas tube is connected between air bag and venting cavity, and piston drum outer wall is equipped with extension, extends
Sealing-plug is installed, push the spring is installed in sealing-plug rear end in extension, and sealing-plug front end is connected on piston outer wall and leans in pipe
Nearly piston upper surface position, sealing-plug be equipped with axially through aeration aperture, extension is equipped with air inlet, and sealing-plug outer wall is close
Air inlet is closed in capping, and escape pipe is connected between air inlet and high pressure tank, and piston is equipped with air vent, the perforation of air vent upper end
To piston upper surface, air vent lower end penetrates into piston side wall, and on piston cylinder side wall and air vent lower end is correspondingly provided with gas vent,
Gas vent is close to piston position.
6. the method that a kind of mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle according to claim 5 drags a net in fishing, feature
It is the tapered structure in sealing-plug front end, piston upper end outer edge is equipped with the guide surface being obliquely installed.
7. the method that a kind of mesopelagic (200 meter Dao1000 meter Shui Shen) using convenient for across obstacle according to claim 5 drags a net in fishing, feature
It is to drag a net in fishing to encounter barrier, while crossing frame pops up, push rod is pushed by abutting plate to piston cylinder direction, piston
Mobile to sliding cavity direction, air vent lower end is staggered with gas vent, and sealing-plug and piston separation, sealing-plug are moved to piston cylinder direction
Dynamic, sealing-plug and air inlet separate, and the high pressure gas in high pressure tank successively passes through escape pipe, air inlet, aeration aperture, ventilation
Enter in air bag after chamber, gas tube, air bag bulges buoyancy increase, and entire telescopic rod and infraclass is driven to pop up, and crosses over
Barrier；When push rod return, return, piston outer wall push sealing-plug return to band piston together, and sealing corking is closed air inlet, put
Stomata lower end and gas vent are aligned, and the gas in air bag discharges progress by gas tube, venting cavity, air vent, gas vent
It deflates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924058.3A CN109258583B (en) | 2018-08-14 | 2018-08-14 | Method for catching fish by trawl in middle and deep sea convenient for crossing obstacles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924058.3A CN109258583B (en) | 2018-08-14 | 2018-08-14 | Method for catching fish by trawl in middle and deep sea convenient for crossing obstacles |
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| Publication Number | Publication Date |
|---|---|
| CN109258583A true CN109258583A (en) | 2019-01-25 |
| CN109258583B CN109258583B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810924058.3A Active CN109258583B (en) | 2018-08-14 | 2018-08-14 | Method for catching fish by trawl in middle and deep sea convenient for crossing obstacles |
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| CN (1) | CN109258583B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426240A (en) * | 2019-06-17 | 2019-11-08 | 浙江省海洋水产研究所 | A kind of underwater mud and attachment withdrawing device and method |
| CN111053068A (en) * | 2019-10-08 | 2020-04-24 | 浙江省海洋水产研究所 | Fish and shrimp separating device for trawl net |
| CN113525611A (en) * | 2021-08-19 | 2021-10-22 | 青岛智汇港创新科技有限公司 | Anti-abrasion method for trawl fishing of fishing boat |
| CN113545322A (en) * | 2021-08-19 | 2021-10-26 | 青岛智汇港创新科技有限公司 | Anti-abrasion bottom supporting device for fishing trawl of fishing boat |
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| CN106376531A (en) * | 2016-08-29 | 2017-02-08 | 浙江省海洋水产研究所 | Sea buried perching biological resource collection apparatus |
| CN206251767U (en) * | 2016-09-18 | 2017-06-16 | 中国水产科学研究院东海水产研究所 | A kind of tourelle for trawlnet bottom line |
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| CN104054667A (en) * | 2013-03-21 | 2014-09-24 | 徐州一统渔具有限公司 | Novel lobster catching net tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110426240A (en) * | 2019-06-17 | 2019-11-08 | 浙江省海洋水产研究所 | A kind of underwater mud and attachment withdrawing device and method |
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| CN113525611A (en) * | 2021-08-19 | 2021-10-22 | 青岛智汇港创新科技有限公司 | Anti-abrasion method for trawl fishing of fishing boat |
| CN113545322A (en) * | 2021-08-19 | 2021-10-26 | 青岛智汇港创新科技有限公司 | Anti-abrasion bottom supporting device for fishing trawl of fishing boat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109258583B (en) | 2020-05-05 |
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