WO2011031075A2 - Drague sous-marine pour récolter des coquillages - Google Patents

Drague sous-marine pour récolter des coquillages Download PDF

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Publication number
WO2011031075A2
WO2011031075A2 PCT/KR2010/006142 KR2010006142W WO2011031075A2 WO 2011031075 A2 WO2011031075 A2 WO 2011031075A2 KR 2010006142 W KR2010006142 W KR 2010006142W WO 2011031075 A2 WO2011031075 A2 WO 2011031075A2
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WO
WIPO (PCT)
Prior art keywords
frame
slide plate
disposed
coupled
rake
Prior art date
Application number
PCT/KR2010/006142
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English (en)
Korean (ko)
Other versions
WO2011031075A3 (fr
Inventor
강중환
Original Assignee
Kang Jung Hwan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020090085076A external-priority patent/KR100975402B1/ko
Priority claimed from KR1020100087675A external-priority patent/KR20120025665A/ko
Application filed by Kang Jung Hwan filed Critical Kang Jung Hwan
Publication of WO2011031075A2 publication Critical patent/WO2011031075A2/fr
Publication of WO2011031075A3 publication Critical patent/WO2011031075A3/fr

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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
    • A01K80/00—Harvesting oysters, mussels, sponges or the like

Definitions

  • the present invention relates to a fishing net for collecting shellfish inhabiting the seabed soil while being towed by a ship and moving the seabed soil.
  • seabed soils inhabited by shellfish vary greatly depending on the place, and when the seabed soil is soft, a problem occurs that the fishing net is drowned in the seabed soil. Due to the resistive resistance, the frame supporting the rake often bends. It is also common for the fishing gear to be unbalanced and overturned during the towing process.
  • an object of the present invention is to provide a fishing net that can stably move on the seabed soil.
  • the netting gear according to an embodiment of the present invention, the first slide plate extending in the front and rear direction, and extending in the front and rear direction in a direction crossing the front and rear direction from the first slide plate A plurality of spaced apart second slide plate, one side is coupled to the first slide plate and the other side is coupled to the second slide plate, and arranged on the lower side of the frame, extending to the front lower side of the frame A rake, a mesh disposed at the rear of the frame, a moving member disposed to be able to access and space the frame in a predetermined range from the front of the frame to the front of the frame, and one side is caught by the moving member,
  • the other side has at least one tension member that is caught by at least one of the rake or the frame.
  • the fishing net According to the fishing net according to an embodiment of the present invention, it is effectively suppressed to get stuck in the sea soil or lose balance and upside down can be moved to the seabed soil phase stably. In addition, it is possible to effectively suppress the bending of the frame supporting the rake due to the resistance that the rake receives from the sea soil.
  • FIG. 1 is a schematic perspective view of a fishing net according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view taken along line II-II of the fishing net of FIG. 1.
  • FIG. 3 is a schematic enlarged view of part III of FIG. 1.
  • Figure 4 is a side cross-sectional view schematically showing the operation of the mesh fishing gear of Figure 1;
  • FIG. 5 is a schematic cross-sectional view taken along the line V-V of the fishing net of FIG.
  • FIG. 6 is a schematic partially enlarged view illustrating an enlarged portion VI of FIG. 5.
  • FIG. 7 is a schematic perspective view of a fishing net according to another embodiment of the present invention.
  • FIG. 8 is a schematic cross-sectional view taken along the line VIII-VIII of the fishing net of FIG.
  • FIG. 9 is a schematic perspective view of a fishing net according to another embodiment of the present invention.
  • FIG. 10 is a schematic cross-sectional view taken along the X-X line of the fishing net of FIG.
  • FIG. 1 is a schematic perspective view of a fishing net according to an embodiment of the present invention
  • Figure 2 is a schematic cross-sectional view taken along the line II-II of the fishing net of Figure 1
  • Figure 3 is a schematic view of part III of Figure 1 It is an enlarged view.
  • the mesh fishing gear 1 includes a first slide plate 100, a second slide plate 200, a first vertical member 110, and a second vertical member 210. ), Frame 300, rake 400, mesh 500, guide member 900, moving member 600, horizontal bar 800, tension member 700, the first towing rope 610 and first Two towing ropes 620 are provided.
  • the first slide plate 100 and the second slide plate 200 extend in the front-rear direction ( ⁇ x direction), and are spaced apart from each other in the direction ( ⁇ y direction) intersecting with the front-rear direction ( ⁇ x direction). That is, the first slide plate 100 and the second slide plate 200 are disposed in parallel to each other.
  • the first slide plate 100 has a first protrusion member 102, the first protrusion member 102 protrudes from the lower surface of the first slide plate 100 and the front and rear direction ( ⁇ x direction), that is, 1 is formed to extend in the longitudinal direction of the slide plate (100).
  • the first protruding members 102 are formed in pairs and are disposed at both end portions of the first slide plate 100, respectively.
  • the second slide plate 200 also has a second protruding member 202 formed to protrude from its lower surface and extend along its longitudinal direction.
  • the second protruding member 202 is also formed in a pair, and is disposed at both end portions of the second slide plate 200.
  • the first vertical member 110 is coupled to a side portion close to the second slide plate 200 of the first slide plate 100 and extends vertically upward from the first slide plate 100. 1 and 2, the first vertical member 110 is formed to extend in the front-rear direction ( ⁇ x direction) from the front end to the rear end of the first slide plate 100.
  • the first guide groove 112 is formed on the front side of the first vertical member 110 to extend in the front-rear direction ( ⁇ x direction).
  • the second vertical member 210 is coupled to a side portion close to the first slide plate 100 of the second slide plate 200 and extends vertically upward from the second slide plate 200. That is, the second vertical member 210 is disposed in parallel with the first vertical member 110 to face the first vertical member 110.
  • the second vertical member 210 also extends in the front-rear direction ( ⁇ x direction) from the front end to the rear end of the second slide plate 200.
  • a second guide groove 212 is formed to extend in the front-rear direction.
  • the second guide groove 212 may be formed to have the same length as the first guide groove 112 at a position symmetrical with respect to the first guide groove 112.
  • the frame 300 has one side coupled to the first vertical member 110 and the other side coupled to the second vertical member 210, thereby being coupled to the first and second slide plates 100 and 200.
  • the frame 300 is disposed at a rear side of the first guide groove 112 and the second guide groove 212. That is, portions in which the first and second guide grooves 112 and 212 of the first and second vertical members 110 and 210 are formed are located at the front side of the frame 300.
  • the frame 300 includes a lower plate 310, a rod member 320, and a reinforcement member 330.
  • the lower plate 310 has one side coupled to the first vertical member 110 and the other side coupled to the second vertical member 210. That is, the lower plate part 310 extends in the interval direction ( ⁇ y direction) of the first slide plate 100 and the second slide plate 200.
  • the front end of the lower plate 310 is bent obliquely to the upper side, which has the effect of increasing the bending rigidity of the lower plate 310.
  • the rod member 320 is provided in plurality in the upper side of the lower plate 310, one side thereof is coupled to the first vertical member 110, the other side is coupled to the second vertical member 210. That is, the rod member 320 is disposed to extend in the interval direction ( ⁇ y direction) of the first slide plate 100 and the second slide plate 200. The rod member 320 is disposed between the first vertical member 110 and the second vertical member 210 together with the lower plate 310 to stably stabilize the first vertical member 110 and the second vertical member 210. To fix the position. Since the rod member 320 has a small cross-sectional area, it is relatively resistant to seawater.
  • the reinforcing member 330 is disposed between the rod member 320 and the rod member 320 and between the rod member 320 and the lower plate portion 310 so that the rod members 320, the rod member 320 and the lower plate are disposed.
  • the unit 310 is stably coupled to each other.
  • the rod member 320 may be vulnerable to bending because the length is longer than the cross-sectional area
  • the reinforcing member 330 is coupled to the lower plate 310 at the same time as the reinforcing member 330 is coupled to each other and the rod member 320
  • the resistance to bending of the member 320 is greatly increased.
  • the reinforcing member 330 has a bar shape as shown in FIGS. 1 to 2, but the reinforcing member 330 may be formed in a plate shape disposed in the vertical direction. .
  • a plurality of rakes 400 are disposed below the lower plate portion 310 of the frame 300, and are formed to extend toward the front side (+ x direction) and the lower direction ( ⁇ z direction) of the frame 300. As shown in FIG. 2, the ends of the rake 400 are located lower than the lower surfaces of the first slide plate 100 and the second slide plate 200.
  • a gap fixing member 410 is disposed between the plurality of rakes 400 to fix the rakes 400 to each other. The vertical position of the space fixing member 410 is appropriately adjusted according to the length of the rake 400, a plurality may be arranged in parallel in the vertical direction as necessary.
  • a reinforcing rod 420 is disposed to prevent the rake 400 from being pushed to the rear side.
  • Reinforcement 420 is one side is coupled to the rake 400 and the other side is coupled to the lower plate 310 of the frame 300.
  • the reinforcement 420 may be manufactured integrally with the rake 400.
  • the mesh 500 is disposed at the rear of the frame 300, and the inlet thereof is formed toward the frame 300.
  • the inlet of the mesh 500 is spaced rearward from the frame 300.
  • the guide member 900 is disposed between the lower plate 310 of the frame 300 and the lower side of the inlet of the mesh 500 to connect the frame 300 and the mesh 500.
  • the guide member 900 is formed with a plurality of through holes, the size of the through hole is formed in a suitable size so that dirt and the like other than shellfish (S) of a predetermined size to escape.
  • the guide member 900 may be formed in the shape of a net to have a plurality of through holes.
  • the guide member 900 may be manufactured in a form in which chains are woven so as not to be cut or damaged by shellfish S. In this case, the space between the chains is a through hole.
  • the moving member 600 is disposed at the front side of the frame 300 and is formed in a bar shape formed to extend in the interval direction of the first and second slide plates 100 and 200.
  • One side of the moving member 600 is fitted into the first guide groove 112 of the first vertical member 110 and the other side is fitted into the second guide groove 212 of the second vertical member 210. Therefore, the movable member 600 may move within a predetermined range in the front-rear direction ( ⁇ x direction), and may be approached and spaced apart from the frame 300.
  • a stopper 602 is provided on the moving member 600, and the stopper 602 includes a moving member 600 in a distance direction ( ⁇ ) between the first slide plate 100 and the second slide plate 200. By restricting the movement in the y direction), the moving member 600 is prevented from being separated from the first guide groove 112 or the second guide groove 212.
  • the horizontal bar 800 is disposed between the rake 400 and the reinforcing bar 420 and is formed to extend in the interval direction ( ⁇ y direction) of the first slide plate 100 and the second slide plate 200. Since the horizontal bar 800 is disposed in a form sandwiched between the rake 400 and the reinforcing table 420, the movement is limited.
  • the horizontal bar 800 may be arranged to be separated from the rake 400, or alternatively, the horizontal bar 800 may be arranged to be fixed to the rake 400 by welding or the like.
  • Tensile members 700 are provided in plural, and each tension member 700 is caught by the rake 400 in a form in which one side thereof is coupled to the moving member 600 and the other side is caught by the horizontal bar 800.
  • the tension member 700 includes a rope 710 and a turn buckle-720. As shown in FIGS. 2 and 3, the pair of ropes 710 are coupled to the movable member 600 and the horizontal bar 800, respectively, and are disposed on the turn buckle 720 between the pair of ropes 710. do. Accordingly, as the turn buckle 720 rotates, the length of the tension member 700 may be extended and contracted. The length of the tension member 700 is adjusted to a length such that when the moving member 600 is far from the frame 300, it can be pulled taut.
  • the first towing rope 610 is connected to a vessel (not shown), one side receives a force to be pulled.
  • the second towing rope 620 connects the first towing rope 610 and the moving member 600 and includes a plurality of ropes.
  • the plurality of second towing ropes 620 are coupled to the moving member 600 so that one side thereof is coupled to the other side of the first towing rope 610 and the other side thereof is spaced at equal intervals from each other. That is, the second towing rope 620 is arranged in the form of being divided into a plurality of branches from the first towing rope 610 is coupled to the moving member 600.
  • FIG. 4 is a side cross-sectional view schematically showing an operation form of the mesh fishing gear 1 of FIG. 1.
  • the submerged netting gear 1 As shown in FIG. 4, the submerged netting gear 1 according to the present embodiment is submerged and disposed on the subsea soil G, and then the first towing rope 610 is moved to move forward. Pull it.
  • the mesh fishing gear 1 When the first towing rope 610 is pulled, the mesh fishing gear 1 is moved forward. When the fishing gear 1 moves forward, the shellfish S inhabiting the seabed soil G is lifted by the rake 400. Shellfish (S) lifted from the sea soil (G) passes through the upper side of the lower plate 310 and enters the inlet of the net 500 along the upper side of the guide member 900. Since the guide member 900 has a mesh of a predetermined size, the shell or shellfish S having a smaller size than that of the mesh falls out. Therefore, the soil or shellfish (S) of small size does not flow into the net.
  • the moving member 600 is moved from the position shown by the virtual line in FIG. 4 to the position shown by the solid line, and connected to the moving member 600 and the horizontal bar 800.
  • the tension member 700 is pulled taut. That is, while the horizontal bar 800 is pulled by the tension member 700, the towing force of the ship acts on the horizontal bar 800.
  • the horizontal bar 800 is hung on the rear of the rake 400, when the tension member 700 pulls the horizontal bar 800, the rake 400 is also pulled.
  • at least a portion of the towing force of the vessel acts directly on the rake 400.
  • the other part of the towing force acts on the first and second vertical members 110 and 210 through the moving member 600. In other words, it can be said that the towing force of the ship is distributed to various parts of the shape fishing gear (1).
  • the fishing gear tends to lose balance as the fishing gear moves.
  • the marine soil (G) inhabited by shellfish (S) is very soft, the fishing nets fall into the ocean soil (G), lose balance, and often overturn or become lodged in the ocean soil (G).
  • the netting gear 1 since the towing force of the ship is distributed to the netting gear 1 and pulls the netting gear 1 as a whole, the netting gear 1 is subsea soil (G). Loss of balance in the phase is effectively suppressed. Therefore, it is effectively suppressed that the shape fishing gear 1 is inverted or stuck to the sea soil G.
  • the netting gear 1 of the present embodiment transfers the towing force directly to the rake 400 by pulling the horizontal bar 800 hanging on the rake 400, the towing force is efficiently distributed without being distributed to other places. Is passed to 400. Therefore, even if the rake 400 receives a large resistance from the sea soil (G) can effectively cope with this.
  • the rake when the conventional fishing gear is moved on the hard sea soil (G), the rake is subjected to a lot of resistance, the center portion of the frame 300 for supporting the rake is often pushed backward.
  • the towing force of the ship pulls the entire frame 300, including the center portion of the frame 300 forward through the tension member 700 and the rake 400, It is effectively suppressed that the frame 300 is bent in the form in which the center portion thereof is pushed backward. Therefore, even if the netting gear 1 receives a large resistance from the sea soil G, the frame 300 is hardly bent.
  • the rake 400 is easy to bend back due to the resistance of the sea soil (G), because the horizontal bar 800 is supported from the rear rear of the rake 400 has the effect of suppressing the rake 400 is bent.
  • FIG. 5 is a schematic cross-sectional view taken along line VV of the fishing net of FIG. 1, and FIG. 6 is a schematic enlarged view of a portion VI of FIG. 5.
  • the fishing net 1 is shown.
  • the first and second protrusions 102 and 202 of the first and second slide plates 100 and 200 are inserted into the sea soil G.
  • the first slide plate 100 when the first slide plate 100 is placed on the seabed soil G, the first slide plate 100 is located on the bottom surface 104 of the bottom surface 104 due to the weight of the netting gear 1.
  • the soil (G) is pressed downwards. Pressed subsea soil G receives a force in a direction pushed to both sides of the first slide plate 100, as shown by the arrow in FIG.
  • the first protrusions 102 are disposed at both end portions of the first slide plate 100, the subsea soil G is no longer pushed out. If the first protrusion 102 is not present, the sea soil G is pushed to both sides by the pressing force of the first slide plate 100, and thus, the first slide plate 100 gradually moves to the sea soil G. ).
  • the netting gear 1 since the netting gear 1 according to the present embodiment has a first protrusion 102 to prevent the subsea soil G of the lower side of the first slide plate 100 from escaping to both sides, the first slide Falling of the plate 100 into the sea soil G is effectively suppressed.
  • the first protrusion 102 is formed to extend in the longitudinal direction of the first slide plate 100, the first slide plate 100 to move only in the longitudinal direction. That is, the first protrusion 102 has an effect of suppressing the movement of the first slide plate 100 in the direction crossing the longitudinal direction.
  • the second protrusion 202 also suppresses the second slide plate 200 from falling into the sea soil G in the same manner as the first protrusion 102, and the second slide plate 200 moves only in the longitudinal direction. To help.
  • the mesh fishing gear 1 according to the present embodiment is suppressed from falling into the sea soil G and movement of the direction crossing the front and rear direction ( ⁇ x direction) is suppressed, thereby making the sea soil soil G stable and smooth. Can be moved.
  • the towing force of the ship is the entire moving member 600 It works evenly. Therefore, since the towing force is not concentrated only on a part of the moving member 600, deformation or breakage of the moving member 600 can be effectively prevented. In addition, the towing force can be stably transmitted to the fishing gear (1).
  • the tension member 700 of the form fishing gear 1 of the present embodiment is adjustable in length by having a turn buckle 720, the tension force acting on the rope 710 can be adjusted. Therefore, according to the state of the sea soil (G), it is possible to appropriately adjust the size of the towing force transmitted to the horizontal bar (800).
  • FIG. 7 is a schematic perspective view of a fishing net according to another embodiment of the present invention
  • Figure 7 is a schematic cross-sectional view taken along the line VIII-VIII of FIG.
  • the mesh fishing gear 2 includes first and second slide plates 100 and 200, a frame 300, a rake 400, a mesh 500, and a moving member 650. ), A tension member 700, a first towing rope 610 and a second towing rope 620.
  • the first slide plate 100 and the second slide plate 200 extend in the front-rear direction ( ⁇ x direction) and are disposed in parallel to each other.
  • the frame 300 has one side coupled to the first slide plate 100 and the other side coupled to the second slide plate 200. Reinforcing bar connecting the frame 300 and the first slide plate 100 and the second slide plate 200 so that the frame 300 is more firmly coupled to the first slide plate 100 and the second slide plate 200. 302 is disposed.
  • Rake 400 is fixedly coupled to the lower side of the frame 300, is formed to extend in the forward and downward direction.
  • the end of the rake 400 is located below the lower surface of the first and second slide plates 100 and 200 so that the end of the rake 400 can be inserted into the sea soil G.
  • the mesh 500 is disposed at the rear side of the frame 300, and its inlet is coupled to the frame 300 as shown in FIG. 7.
  • the moving member 650 is positioned in front of the frame 300 and is formed to extend in the interval direction of the first slide plate 100 and the second slide plate 200.
  • Support members 652 extending vertically from the moving member 650 are coupled to both sides of the moving member 650.
  • the support member 652 is rotatably coupled to the first and second vertical members 150 and 250 formed on the upper surface of the first slide plate 100 and the upper surface of the second slide plate 200. Therefore, as shown in FIG. 8, the movable member 650 coupled with the supporting member 652 may move in the front-rear direction while drawing an arc. That is, the moving member 650 is arranged to be accessible and spaced apart from the frame 300.
  • the tension member 700 connects the lower portion of the movable member 650 and the frame 300.
  • the length of the tension member 700 is made of a length that can be pulled taut when the moving member 650 is moved away from the frame 300. That is, the tension member 700 is pulled taut when the moving member 650 is in the position of the solid line in FIG.
  • the second towing rope 620 connects the first towing rope 610 and the moving member 650 It consists of a plurality.
  • a plurality of second towing rope 620 is coupled to the other side of the first towing rope 610, the other side is coupled to the moving member 650 so that the other side is spaced at equal intervals from each other. That is, the second towing rope 620 is arranged in the form of being divided into a plurality of branches from the first towing rope 610 is coupled to the moving member 650.
  • the first towing rope 610 is pulled so that the shape fishing gear 2 is moved forward. Shellfish inhabiting are lifted. The raised shellfish enter the net 500 through the frame 300.
  • the fishing net fishing gear 2 Similar to the fishing net fishing gear 1 shown in FIG. 1, the fishing net fishing gear 2 according to the present embodiment also functions to tow the ship's towing force to various parts of the fishing gear fishing gear 2. Therefore, the towing force acts on the netting gear 2 as a whole, so that the netting gear 2 loses its balance and is effectively suppressed from being lodged or turned over in the sea soil G. In addition, the bending of the frame 300 is also effectively suppressed.
  • the plurality of second towing ropes 620 are connected to the moving member 650 to be spaced apart from each other, thereby pulling the moving member 650 as a whole, effectively preventing excessive force acting on only a part of the moving member 650. .
  • FIG. 9 is a schematic perspective view of a fishing net according to another embodiment of the present invention
  • FIG. 10 is a schematic cross-sectional view taken along an X-X line of the fishing net of FIG.
  • the mesh fishing gear 3 includes a first slide plate 100, a second slide plate 200, a first vertical member 110, and a second vertical member 210. ), Frame 300, rake 400, mesh 500, guide member 900, moving member 600, horizontal bar 800, tension member 700, first towing rope 610, first A tow rope 620 and a buoyancy body 950.
  • the 600, the horizontal bar 800, the tension member 700, the first towing rope 610 and the second towing rope 620 are substantially the same as those of the shape fishing gear 1 shown in FIG. 1. Detailed description thereof will be omitted.
  • the frame 300 includes a lower plate 310, an upper plate 350, and a longitudinal reinforcing plate 360.
  • the lower plate part 310 is the same as that of the fishing gear 1 of FIG.
  • the upper plate 350 is disposed above the lower plate 310 and is formed in a plate shape.
  • the front side of the upper plate 350 is bent inclined downward to better withstand bending.
  • the vertical reinforcing plate 360 is disposed in plurality between the upper plate portion 350 and the lower plate portion 310 to firmly fix the upper plate portion 350 and the lower plate portion 310 to each other. Therefore, the resistance to warpage of the entire frame 300 is greatly increased.
  • both sides of the frame 300 respectively, the coupling plate is fixed, each coupling plate is fastened with a bolt to the first vertical member 110 and the second vertical member 210.
  • the first vertical member 110 and the second vertical member 210 has a larger number of bolt fastening holes than the bolt fastening holes of the coupling plate, so that the fastening position of the coupling plate can be properly adjusted.
  • the vertical position of the frame 300 can be changed, so that the rake 400 is inserted into the sea soil G. You can adjust the depth. In this way, if the vertical position of the frame 300 can be adjusted, it is possible to effectively cope with the case where the formatting depth of the shellfish S is changed.
  • the buoyancy body 950 is to provide a buoyancy to the manggugu 3 having a specific gravity smaller than water, it may be formed of a foaming resin material such as styrofoam.
  • the buoyancy body 950 is disposed between the longitudinal reinforcing plate 360, and is disposed directly below the upper plate portion 350 so as to be located above the center of gravity of the entire shape of the netting gear (3).
  • the buoyancy body 950, the buoyancy body 950 provides the buoyancy force to the net fishing gear (3) suppresses the net fishing gear (3) falling into the sea soil (G).
  • the buoyancy body 950 is located above the center of gravity of the shape net gear 3, the shape net gear 3 is effectively suppressed from being reversed.
  • first vertical member 110 and the second vertical member 210 of the mesh fishing gear 1 of FIG. 1 may have the same length as that of the first slide plate 100 and the second slide plate 200.
  • first vertical member 110 and the second vertical member 210 may be formed to have a relatively short length so that all of them can be disposed on the front side of the frame 300.
  • the frame 300 may be directly coupled to the first and second slide plates 100 and 200.
  • first guide groove 112 and the second guide groove 212 are formed to extend in the front-rear direction ( ⁇ x direction) in the mesh fishing gear 1 of FIG. 1, the first guide groove 112 ) And the second guide groove 212 may be formed in a direction inclined with respect to the front-rear direction ( ⁇ x direction) as long as the frame 300 can be approached and spaced apart.
  • the mesh gear (1, 2, 3) has been described as having a first towing rope 610 and a plurality of second towing rope 620 coupled in the form of branching therefrom, the second It may be coupled to the movable members 600 and 650 directly to the first towing rope 610 without the towing rope 620.
  • the buoyancy body 950 has been described as being disposed below the upper plate portion 350, but may be disposed above the upper plate portion 350 because the buoyancy body 950 should be located above the center of gravity of the shaped fishing gear 3.
  • the fishing gear (1, 2, 3) may be embodied in a form that further includes the components described in the Republic of Korea Patent Publication No. 2009-0127105 by the applicant.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Mechanical Means For Catching Fish (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

La présente invention, selon un mode de réalisation, porte sur une drague sous-marine, qui comprend : une première plaque coulissante qui s'étend dans des directions avant et arrière ; une deuxième plaque coulissante qui s'étend dans les directions avant et arrière, et qui est espacée de la première plaque coulissante dans la direction croisant les directions vers l'avant et vers l'arrière ; un bâti comportant un côté couplé à la première plaque coulissante et l'autre côté couplé à la deuxième plaque coulissante ; une pluralité de râteaux disposés en dessous du bâti et s'étendant vers l'avant et vers le bas à partir du bâti ; un treillis disposé à l'arrière du bâti ; un élément mobile disposé à l'avant du bâti, de telle sorte que l'élément mobile accède au bâti et est espacé du bâti à l'intérieur d'une plage prédéterminée ; et au moins un élément de tension, dont un côté est saisi par l'élément mobile et dont l'autre côté est saisi par l'un parmi les râteaux et/ou par le bâti.
PCT/KR2010/006142 2009-09-09 2010-09-09 Drague sous-marine pour récolter des coquillages WO2011031075A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020090085076A KR100975402B1 (ko) 2009-09-09 2009-09-09 형망어구
KR10-2009-0085076 2009-09-09
KR10-2010-0087675 2010-09-07
KR1020100087675A KR20120025665A (ko) 2010-09-07 2010-09-07 형망어구

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WO2011031075A2 true WO2011031075A2 (fr) 2011-03-17
WO2011031075A3 WO2011031075A3 (fr) 2011-07-14

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CN103070144A (zh) * 2013-02-21 2013-05-01 苏州大学 一种适用于沿海滩涂采集文蛤的方法及其装置
WO2018010002A1 (fr) * 2016-07-15 2018-01-18 Clearwater Seafoods Limited Partnership Drague de pêche
CN111328776A (zh) * 2020-04-08 2020-06-26 江苏省海洋水产研究所 沙泥质底质池塘埋栖型贝类培育苗种起捕装置和使用方法
CN111557279A (zh) * 2020-04-20 2020-08-21 浙江海洋大学 一种文蛤捕捞装置
CN112021213A (zh) * 2020-06-24 2020-12-04 自然资源部第三海洋研究所 一种文昌鱼栖息地去泥化用具

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