CN218662294U - Krill truss-like operation trawl draw gear that catches in succession - Google Patents

Krill truss-like operation trawl draw gear that catches in succession Download PDF

Info

Publication number
CN218662294U
CN218662294U CN202222466355.2U CN202222466355U CN218662294U CN 218662294 U CN218662294 U CN 218662294U CN 202222466355 U CN202222466355 U CN 202222466355U CN 218662294 U CN218662294 U CN 218662294U
Authority
CN
China
Prior art keywords
net
trawl
chain
krill
connecting plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222466355.2U
Other languages
Chinese (zh)
Inventor
陈颜龙
祁瑶
徐玉成
杨德军
齐宝发
刘文华
王珍仁
祝海勇
刘美
周鹏程
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Ship Development & Design Institute Co ltd
Original Assignee
Wuhan Ship Development & Design Institute Co ltd
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
Application filed by Wuhan Ship Development & Design Institute Co ltd filed Critical Wuhan Ship Development & Design Institute Co ltd
Priority to CN202222466355.2U priority Critical patent/CN218662294U/en
Application granted granted Critical
Publication of CN218662294U publication Critical patent/CN218662294U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a catch equipment technical field, in particular to krill truss type is caught operation trawl draw gear in succession, include: the device comprises a set square, a chain component and a net port supporting component; the set square is arranged in the positive direction; the two ends of the net port supporting assembly and the positions between the two ends are respectively and movably connected with the lower end of the triangular plate through the chain components; the upper end of the triangular plate is used for being connected with a fishing boat; the net mouth supporting component is used for being connected with the fishing net. This krill truss-like operation trawl draw gear that catches in succession, a plurality of junctures in set-square bottom decompose the trawl tension that the top received, and connecting plate on the net gape horizontal pole is connected with catching the net, and trawl tension passes through the connection chain, passes to the component force to on catching the net, makes the net gape atress dispersion, reduces concentrated stress, when fixed the trawl gape aperture of catching the net of net gape vaulting pole both ends connecting plate, guarantees to catch the dictyosome gesture of net smooth-going.

Description

Krill truss-like operation trawl draw gear that catches in succession
Technical Field
The utility model relates to a catch equipment technical field, in particular to krill truss type is caught operation trawl draw gear in succession.
Background
The Antarctic sea area is wide, and extremely rich marine biological resources are stored, wherein the Antarctic krill is the largest single biological resource on the earth, the storage amount can reach 6.5-10 million tons, and the Antarctic krill is the largest animal protein library on the earth. Human beings can catch 0.6 million tons to 1.0 million tons of antarctic krill in the antarctic sea area every year, and the biological catchable amount is equivalent to the total output of the current global marine catch, so the development potential is huge. The development of euphausia superba resources will drive the development of related industries such as fishing technology, deep processing of aquatic products, marine pharmacy, equipment manufacturing and the like. The antarctic krill industry becomes a brand-new marine organism development and utilization industry which integrates efficient fishing and shipborne processing and continuously expands and extends the industrial chains of human food, breeding feed and high-value functional health care products.
Antarctic krill is a small individual organism, and is generally harvested by a specialized harvesting ship in terms of plankton. The net used for fishing the euphausia superba is small in mesh and large in dragging resistance, the opening degree of a net opening of the traditional trawl operation is influenced by water flow impact, and the posture of a net body is difficult to control, so that the net entering rate of the euphausia superba is low. In addition, due to the biological characteristics of the antarctic krill, high-content fluorine in the shrimp shell can permeate into the shrimp meat after being extruded and damaged, and dissolved enzymes in the shrimp shell can rapidly decompose the shrimp meat, so that the quality of the antarctic krill is seriously influenced.
In the prior art, the traditional trawl operation mode is gradually replaced by a truss type continuous fishing operation mode in order to ensure the product quality and improve the operation efficiency. In the conventional truss type fishing equipment, the fishing net keeps the opening degree of a net port and the space in the net unobstructed in water at a low towing speed; the fishing net has uneven stress and unstable posture under larger drag resistance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses catch the net to what exist among the prior art and keep the net gape aperture and interior space unobstructed inadequately in the aquatic to and the technical problem that the atress is uneven and the dictyosome gesture is stable inadequately, provide a krill truss-like operation trawl draw gear of catching in succession.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a krill truss-type continuous fishing operation trawl draw gear, comprising: the device comprises a set square, a chain component and a net mouth supporting component;
the set square is arranged in the positive direction; the two ends of the net port supporting assembly and the positions between the two ends are respectively and movably connected with the lower end of the triangular plate through the chain components; the upper end of the triangular plate is used for being connected with a fishing boat; the net mouth supporting component is used for being connected with a fishing net.
Further: the upper end of the triangular plate is provided with a first connecting hole; one side of the lower end of the triangular plate is provided with at least one second connecting hole, and the other side of the lower end of the triangular plate is provided with at least one third connecting hole;
the first connecting hole is movably connected with a trawl connecting ring through a top end shackle, and the trawl connecting ring is used for being connected with a fishing ship; each second connecting hole is movably connected with the net port supporting assembly through one chain assembly; each third connecting hole is movably connected with the net port supporting assembly through one chain assembly.
Further: further comprising: a connecting member;
the connecting piece is longitudinally arranged; the upper end of the connecting piece is fixedly connected with the middle position of the triangular plate, and the lower end of the connecting piece is provided with a fourth connecting hole; the fourth connecting hole is movably connected with the middle position of the net port supporting component through the chain component.
Further: the chain assembly includes: the chain, the first shackle and the second shackle;
one end of the lock chain is connected with the triangular plate through the first shackle, and the other end of the lock chain is connected with the net mouth supporting component through the second shackle.
Further: the net gape supporting component comprises: the net mouth bracing rod, the first end connecting plate, the middle connecting plate and the second end connecting plate are arranged on the outer wall of the net mouth;
the first end connecting plate is fixed at one end of the net opening supporting rod, and the second end connecting plate is fixed at the other end of the net opening supporting rod; at least one middle connecting plate is fixed between the two ends of the net opening support rod; the first end connecting plate, the middle connecting plate and the second end connecting plate are respectively connected with the corresponding chain components.
Further: the net mouth brace rod is of a steel cylinder structure.
Further, the method comprises the following steps: the first end connecting plate and the second end connecting plate are bent towards the center, and the bending angle is the same as the inclination angle of the chain components connected with the two ends of the net opening support rod.
The utility model provides a krill truss is caught operation trawl draw gear in succession and is possessed following beneficial effect or advantage at least:
the utility model provides a dragnet traction device for krill truss type continuous fishing operation, wherein a set square is arranged in the positive direction; the two ends of the net port supporting assembly and the positions between the two ends are respectively and movably connected with the lower end of the triangular plate through the chain components; the upper end of the triangular plate is used for being connected with a fishing boat; the net mouth supporting component is used for being connected with the fishing net. This krill truss-like operation trawl draw gear of fishing in succession, a plurality of junctures in set square bottom decompose the trawl tension that the top received, and connecting plate on the net gape horizontal pole is connected with fishing net, and trawl tension passes through the connection chain, and on reaching fishing net with the component force, make the net gape atress dispersion, reduce concentrated stress, when net gape vaulting pole both ends connecting plate is fixed to catch the net gape aperture of fishing net, the assurance is caught the dictyosome gesture of fishing net smooth-going.
Drawings
Fig. 1 is a schematic structural view of a dragnet traction device for krill truss type continuous fishing operation provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a triangle provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of an intermediate connection plate structure provided in the embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-top shackle, 2-first connection hole, 3-triangle, 4-connecting piece, 5-second connection hole, 6-second shackle, 7-third connection hole, 8-chain, 9-first shackle, 10-first end connection plate, 11-middle connection plate, 12-second end connection plate, 13-fourth connection hole, 14-fishing net.
Detailed Description
The utility model discloses catch 14 to what exist among the prior art and keep the net gape aperture and the interior space of net unobstructed inadequately in the aquatic to and the technical problem that the atress is uneven and the dictyosome gesture is stable inadequately, provide a krill truss-like operation trawl draw gear of catching in succession.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a krill truss-like operation trawl draw gear of fishing in succession, include: set-square 3, chain subassembly and net gape supporting component. The set square 3 is arranged in the positive direction; the two ends of the net port supporting assembly and the positions between the two ends are respectively and movably connected with the lower end of the triangular plate 3 through a chain component; the upper end of the triangular plate 3 is used for being connected with a fishing boat; the net mouth supporting component is used for being connected with the fishing net 14. Specifically, the method comprises the following steps:
the upper end of the set square 3 arranged in the forward direction is provided with a first connecting hole 2, the first connecting hole 2 is movably connected with a trawl connecting ring through a top end shackle 1, and the trawl connecting ring is used for being connected with a fishing ship. One side of the lower end of the triangle 3 is provided with at least one second connecting hole 5, for example, two second connecting holes 5 arranged in parallel are arranged; at least one third connecting hole 7, for example, two third connecting holes 7 arranged in parallel, is formed on the other side of the lower end of the triangle 3. Each second connecting hole 5 is movably connected with the net port supporting component through a locking chain component; each third connecting hole 7 is movably connected with the net port supporting component through a locking chain component.
The utility model provides a preferred embodiment: as shown in fig. 1, there are also provided: a connecting piece 4; the connecting piece 4 is longitudinally arranged; the upper end of the connecting piece 4 is fixedly connected with the middle position of the triangular plate 3, and the lower end of the connecting piece 4 is provided with a fourth connecting hole 13; the fourth connecting hole 13 is movably connected with the middle position of the net opening supporting component through a chain locking component.
As shown in fig. 1, the chain assembly includes: a chain 8, a first shackle 9 and a second shackle 6. One end of the chain 8 is connected with the triangular plate 3 through a first shackle 9, and the other end of the chain 8 is connected with the net mouth supporting component through a second shackle 6.
As shown in fig. 1, the portal support assembly includes: net gape vaulting pole, first end connecting plate 10, intermediate junction board 11 and second end connecting plate 12. The net mouth vaulting pole is steel cylinder structure, and net mouth vaulting pole, first end connecting plate 10, intermediate junction board 11 and second end connecting plate 12 are the rigidity material. The first end connecting plate 10 is fixed at one end of the net opening support rod, and the second end connecting plate 12 is fixed at the other end of the net opening support rod; at least one intermediate connecting plate 11 is fixed at a position between two ends of the net opening stay bar, for example, three intermediate connecting plates 11 are provided in the embodiment; the first end connecting plate 10, the middle connecting plate 11 and the second end connecting plate 12 are respectively connected with the corresponding chain components; specifically, the first end connecting plate 10 is connected with the second shackle 6 of the corresponding chain component, the second shackle 6 is connected with one end of the corresponding chain 8, and the other end of the chain 8 is connected with the corresponding second connecting hole 5 through the corresponding first shackle 9; the middle connecting plate 11 is connected with a second shackle 6 of the corresponding chain component, the second shackle 6 is connected with one end of the corresponding chain 8, and the other end of the chain 8 is connected with the corresponding second connecting hole 5, third connecting hole 7 or fourth connecting hole 13 through the corresponding first shackle 9; the second end connecting plate 12 is connected with the second shackle 6 of the corresponding chain 8 assembly, the second shackle 6 is connected with one end of the corresponding chain 8, and the other end of the chain 8 is connected with the corresponding third connecting hole 7 through the corresponding first shackle 9. The first end connecting plate 10 and the second end connecting plate 12 are bent towards the center, and the bending angle is the same as the inclination angle of the chain components connected with the two ends of the net opening stay bar.
The net mouth bracing piece is designed into steel cylinder structural style, produces negative buoyancy in aqueous, through the design of the alpha contained angle of connecting plate both ends tie-in point, makes the fishing net atress balanced in level and two vertical directions to guarantee that the fishing net can drag the operation in appointed depth of water. The length, the cylinder size and the structure of the net opening supporting rod, the alpha included angle of the connecting plate, the dispersion point and the dispersion angle of the triangular plate, the tensile strength of each connecting part and the like can be calculated and designed according to the requirements of fishing nets, towing net tension of operation ships, towing operation water depth and the like of different specifications, so that the traction device can comprehensively meet the requirements of truss type continuous fishing operation of the euphausia superba.
The embodiment of the utility model provides a krill truss is caught operation trawl draw gear in succession possesses following beneficial effect or advantage at least:
the embodiment of the utility model provides a krill truss type continuous fishing trawl traction device, the set square is arranged in the positive direction; the two ends of the net port supporting assembly and the positions between the two ends are respectively and movably connected with the lower end of the triangular plate through the chain components; the upper end of the triangular plate is used for being connected with a fishing boat; the net mouth supporting component is used for being connected with the fishing net. This krill truss-like operation trawl draw gear of fishing in succession, a plurality of junctures in set square bottom decompose the trawl tension that the top received, and connecting plate on the net gape horizontal pole is connected with fishing net, and trawl tension passes through the connection chain, and on reaching fishing net with the component force, make the net gape atress dispersion, reduce concentrated stress, when net gape vaulting pole both ends connecting plate is fixed to catch the net gape aperture of fishing net, the assurance is caught the dictyosome gesture of fishing net smooth-going.
The embodiment of the utility model provides an operation trawl draw gear is catched in succession to krill truss, according to the characteristics of the operation is catched in succession to euphausia superba truss, through setting up key parts such as net gape supporting component, chaining subassembly and set-square, make the operation ship and catch integrative draw gear of netted form under water, solved the operation ship to catch the receipts of catching the net, put and draw key operation difficult problems such as control.
The utility model provides a krill truss-like is caught operation trawl draw gear in succession studies and designs structure, material, appearance and angle etc. to key part, makes boats and ships drag and catch the net under water and form a whole, has effectively solved net gape aperture, dictyosome gesture, has dragged key technical requirement such as the depth of water, improves and catches efficiency, promotes the product quality.
The utility model provides an operation trawl draw gear is catched in succession to krill truss, to associative connection, rotary part like chain go-between, trawl go-between etc. adopt hot rolling formula high strength steel material, when improving whole tensile strength, can effectively reduce wearing and tearing, increase of service life.
The utility model provides an operation trawl draw gear is catched in succession to krill truss-like all sets up the mooring rope hole of auxiliary operation hawser on the essential element, and the shipborne mechanical equipment and personnel's operation of being convenient for reduce work degree, improve work efficiency.
In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", "left", "right", etc. in the embodiments indicate terms of orientation, and are only used for simplifying the description of positional relationships based on the drawings of the specification, and do not represent that the elements, devices, etc. indicated must be operated according to the specific orientation and defined operation and method, configuration in the specification, and such terms of orientation do not constitute limitations of the present invention.
In the description of the present invention, it is to 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 or a removable connection; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a krill truss-like operation trawl draw gear of fishing in succession which characterized in that: the method comprises the following steps: the device comprises a set square, a chain component and a net port supporting component;
the set square is arranged in the positive direction; the two ends of the net port supporting assembly and the positions between the two ends are respectively and movably connected with the lower end of the triangular plate through the chain components; the upper end of the triangular plate is used for being connected with a fishing boat; the net mouth supporting component is used for being connected with a fishing net.
2. A krill truss continuous fishing trawl draw gear according to claim 1, wherein: the upper end of the triangular plate is provided with a first connecting hole; one side of the lower end of the triangular plate is provided with at least one second connecting hole, and the other side of the lower end of the triangular plate is provided with at least one third connecting hole;
the first connecting hole is movably connected with a trawl connecting ring through a top shackle, and the trawl connecting ring is used for being connected with a fishing ship; each second connecting hole is movably connected with the net port supporting assembly through one chain assembly; each third connecting hole is movably connected with the net port supporting assembly through one chain assembly.
3. A krill truss continuous fishing trawl draw gear according to claim 2, wherein: further comprising: a connecting member;
the connecting piece is longitudinally arranged; the upper end of the connecting piece is fixedly connected with the middle position of the triangular plate, and the lower end of the connecting piece is provided with a fourth connecting hole; the fourth connecting hole is movably connected with the middle position of the net port supporting component through the chain component.
4. A krill truss continuous fishing trawl draw gear according to claim 1, wherein: the chain assembly includes: the chain, the first shackle and the second shackle;
one end of the lock chain is connected with the triangular plate through the first shackle, and the other end of the lock chain is connected with the net mouth supporting component through the second shackle.
5. A krill truss continuous fishing trawl draw gear according to claim 1, wherein: the net gape supporting component comprises: the net mouth bracing rod, the first end connecting plate, the middle connecting plate and the second end connecting plate are arranged on the outer wall of the net mouth;
the first end connecting plate is fixed at one end of the net opening supporting rod, and the second end connecting plate is fixed at the other end of the net opening supporting rod; at least one middle connecting plate is fixed between the two ends of the net opening support rod; the first end connecting plate, the middle connecting plate and the second end connecting plate are respectively connected with the corresponding chain components.
6. The krill truss type continuous fishing trawl draw gear according to claim 5, wherein: the net mouth brace rod is of a steel cylinder structure.
7. A krill truss continuous fishing trawl draw gear according to claim 5, wherein: the first end connecting plate and the second end connecting plate are bent towards the center, and the bending angle is the same as the inclination angle of the chain components connected with the two ends of the net opening support rod.
CN202222466355.2U 2022-09-16 2022-09-16 Krill truss-like operation trawl draw gear that catches in succession Active CN218662294U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222466355.2U CN218662294U (en) 2022-09-16 2022-09-16 Krill truss-like operation trawl draw gear that catches in succession

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222466355.2U CN218662294U (en) 2022-09-16 2022-09-16 Krill truss-like operation trawl draw gear that catches in succession

Publications (1)

Publication Number Publication Date
CN218662294U true CN218662294U (en) 2023-03-21

Family

ID=85560867

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222466355.2U Active CN218662294U (en) 2022-09-16 2022-09-16 Krill truss-like operation trawl draw gear that catches in succession

Country Status (1)

Country Link
CN (1) CN218662294U (en)

Similar Documents

Publication Publication Date Title
Hameed et al. Modern fishing gear technology
CN114304085A (en) Environment-friendly continuous fishing type euphausia superba trawl
CN218662294U (en) Krill truss-like operation trawl draw gear that catches in succession
CN109463358A (en) A kind of friendly otter-trawl
CN100397986C (en) Single dragging rope self expanding type single ship middle layer dragnet
CN206433601U (en) A kind of Multifunctional marine fishes for net
CN210226604U (en) Fishing cage
CN201947811U (en) Fishing net
CN205632927U (en) Anchor for fishing boat
CN201491617U (en) Lobster fishing net
US20210169057A1 (en) Multi-kite apparatus for use with bottom trawls
CN201015366Y (en) Fresh aquatic food gill-net
Sakib et al. Fishing gears and crafts used in Gumti river of Muradnagar upazila, Bangladesh
CN218736630U (en) Icebreaking wind wave resistant ship-shaped aquaculture net cage
Devadasan et al. Fishing craft and gear for small pelagics
CN213153529U (en) High strength is protection network for aquaculture
CN218389356U (en) Wind and wave resistant circular aquaculture net cage
CN208509905U (en) River snail catches net
CN114304087B (en) Double-wing silverfish carrying net device for preventing waterweeds
CN202714095U (en) Tuna fishhook
CN216701372U (en) Consolidate ground cage suitable for torrent environment
CN208891511U (en) A kind of fishing tackle
Sawant et al. Disco fish trawl (137 m) of Ratnagiri, Maharashtra.
CN101642083B (en) Manufacturing method for combined type lobster fishing device
CN206776543U (en) A kind of natural fry finishing device of yellowfin spine porgy

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant