CN109984101B - Vertical trawl board with auxiliary hanging function - Google Patents
Vertical trawl board with auxiliary hanging function Download PDFInfo
- Publication number
- CN109984101B CN109984101B CN201910361852.6A CN201910361852A CN109984101B CN 109984101 B CN109984101 B CN 109984101B CN 201910361852 A CN201910361852 A CN 201910361852A CN 109984101 B CN109984101 B CN 109984101B
- Authority
- CN
- China
- Prior art keywords
- plate
- cambered surface
- board
- surface blade
- filling
- 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
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007665 sagging Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
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
- A01K73/04—Devices for spreading or positioning, e.g. control thereof
- A01K73/045—Devices for spreading or positioning, e.g. control thereof for lateral sheering, e.g. trawl boards
-
- 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
- A01K73/06—Hauling devices for the headlines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a vertical trawl door with a sagging-assisting type, which comprises a top plate, a towing plate, a bottom plate and a plurality of cambered surface blade plate frames, wherein the cambered surface blade plate frames are symmetrically arranged between the top plate and the towing plate and between the bottom plate and the towing plate respectively, a plurality of hollowed holes are formed in the cambered surface blade plate frames at intervals, a first filling plate is inlaid in the hollowed holes of the cambered surface blade plate frames between the top plate and the towing plate, a second filling plate is inlaid in the hollowed holes of the cambered surface blade plate frames between the bottom plate and the towing plate, the density of the first filling plate is lower than that of the second filling plate, cover panels are respectively fixed on two sides of the cambered surface blade plate frames, and a protective flange is arranged at the edge of the cambered surface blade plate frames. The invention is beneficial to adjusting the trawl board to be vertical in water and effectively keeping the vertical posture, and avoids the damage of the edges of the trawl board caused by deformation due to collision.
Description
Technical Field
The invention belongs to the technical field of trawl doors, and particularly relates to a vertical trawl door with a sagging-assisting function.
Background
The trawl board is an important accessory of the trawl fishing gear, is assembled on two sides of the front end of the trawl and is connected with the towing line, horizontal expansion force can be generated to expand the trawl during towing, and the performance of the trawl board directly influences the operation performance and the fishing efficiency of the trawl fishing gear. In the prior art, according to the requirements of trawl operations of different types, the patterns of the net plates are various, and mainly comprise rectangular net plates, elliptic net plates, vertical V-shaped curved net plates and the like.
The existing vertical V-shaped trawl net plate structure is shown in figure 1, a plurality of arc-shaped blade frames are symmetrically arranged between a top plate and a towing plate and between a bottom plate and the towing plate respectively, the arc-shaped blade frames reduce weight through holes, light plates are embedded in the holes, and the two sides of the holes are covered and fixed through the light plates.
The existing vertical V-shaped trawl door mainly has the following defects: firstly, the quality of the main structure of the upper part and the lower part of the screen plate is basically close, which is not beneficial to the adjustment and the vertical posture maintenance of the screen plate in water, and the screen plate is easy to fall down in the towing process; secondly, the edge of the blade plate lacks a protective structure, so that the deformation and damage of the surface of the screen plate are easily caused by collision, and the hydrodynamic performance of the screen plate is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the vertical trawl door with the auxiliary sagging function, which is favorable for adjusting the trawl door to be vertical in water and effectively keeping the vertical posture, and avoids the damage of the edges of the blades of the trawl door caused by the deformation of the blades of the trawl door due to collision.
The technical scheme adopted by the invention for solving the technical problems is to provide a vertical sagging-aiding trawl net plate, which comprises a top plate, a towing plate, a bottom plate and a plurality of cambered surface blade plate frames, wherein a plurality of cambered surface blade plate frames are symmetrically arranged between the top plate and the towing plate and between the bottom plate and the towing plate respectively, a plurality of hollowed holes are formed in the cambered surface blade plate frames at intervals, first filling plates are inlaid in the hollowed holes of the cambered surface blade plate frames between the top plate and the towing plate, second filling plates are inlaid in the hollowed holes of the cambered surface blade plate frames between the bottom plate and the towing plate, the density of the first filling plates is lower than that of the second filling plates, cover panels are respectively fixed on two sides of the cambered surface blade plate frames, and protective flanges are arranged at the edges of the cambered surface blade plate frames.
The first filling plate, the second filling plate and the covering panel are respectively matched with the radians of the corresponding cambered surface leaf plate frames, and the size and the thickness of the first filling plate and the second filling plate are respectively matched with the corresponding hollow holes.
The protection flange is cylindrical and provided with a mounting groove along the length direction, and the protection flange is sleeved on the edge of the cambered surface blade plate frame through the mounting groove and fixed through a fastener.
The protective flange is made of an anti-collision material.
The density of the first filling plates embedded in the hollow holes of the cambered surface blade plate frames between the top plate and the towing plate is gradually increased from top to bottom, and the density of the second filling plates embedded in the hollow holes of the cambered surface blade plate frames between the bottom plate and the towing plate is gradually increased from top to bottom.
The trawl door is in a V shape as a whole.
The cover panel is fixed with the cambered surface blade plate frame through a fastener.
Advantageous effects
Firstly, in the invention, filling plates with different densities are respectively inlaid in the hollow holes of the cambered surface blade plate frame at the upper part and the cambered surface blade plate frame at the lower part of the net plate, so that the mass of the upper part of the net plate is lighter than that of the lower part of the net plate, the gravity center of the net plate is lowered, the net plate can be conveniently adjusted to a vertical state in a water body, and the vertical state of the trawl net plate can be always and effectively maintained in the operation process.
Second, in the invention, the edges at two sides of the cambered surface blade plate frame are provided with the protective flanges, and the protective flanges are made of anti-collision materials, so that the damage of the plate surface deformation caused by collision of the edges of the plate blade plate can be avoided, and the hydrodynamic performance of the plate is effectively ensured.
Drawings
FIG. 1 is a schematic diagram of a conventional trawl door.
FIG. 2 is a schematic cross-sectional view of the upper blade of the mesh panel of the present invention.
FIG. 3 is a schematic cross-sectional view of a lower blade of the mesh panel of the present invention.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
A sagging-assisted vertical trawl door shown in fig. 2 and 3 comprises a roof 1, a trawl door 2, a floor 3 and a cambered leaf frame 4 as shown in fig. 1.
As shown in fig. 1, four cambered surface blade frames 4 are welded between the top plate 1 and the towing plate 2, four cambered surface blade frames 4 are welded between the bottom plate 3 and the towing plate 2, and the cambered surface blade frames 4 at the upper part and the lower part are respectively symmetrical in a V shape. Spaced hollowed holes 5 are distributed on each cambered surface blade plate frame 4 in a matrix mode.
As shown in fig. 2, the first filling board 6 is embedded in the hollow holes 5 of the cambered surface blade plate frames 4 between the top plate 1 and the towing plate 2, the size and the thickness of the first filling board 6 are respectively matched with the filled hollow holes 5, and the radian is matched with the corresponding cambered surface blade plate frames 4. The first filling board 6 is made of foam materials, has extremely low density and is beneficial to reducing the quality of the upper part of the screen plate.
As shown in fig. 3, the second filling board 7 is embedded in the hollow hole 5 of the cambered surface blade frame 4 between the bottom board 3 and the towing board 2, the size and the thickness of the second filling board 7 are respectively matched with the filled hollow hole 5, and the radian is matched with the corresponding cambered surface blade frame 4. The second filler board 7 is made of polypropylene board, and the density of the second filler board is higher than that of the foam material at the upper part, so that the upper part of the screen board has lighter weight than that of the lower part.
Preferably, the density of the first filling plates 6 embedded in the hollow holes 5 of the cambered leaf plate frame 4 between the top plate 1 and the steel plate 2 is gradually increased from top to bottom, the density of the second filling plates 7 embedded in the hollow holes 5 of the cambered leaf plate frame 4 between the bottom plate 3 and the steel plate 2 is gradually increased from top to bottom, the overall quality of the net plate is gradually increased from top to bottom, the overall gravity center of the net plate is moved downwards, and the net plate can be more conveniently adjusted to a vertical state in a water body and kept in the vertical state.
Cover panels 8 are respectively fixed on two sides of each cambered surface blade plate frame 4, the cover panels 8 are ultra-high molecular weight polyethylene plates, and the radian of the cover panels is matched with that of the corresponding cambered surface blade plate frames 4. The cover panel 8 is fixed to the cambered leaf frame 4 by copper rivets so that a leaf structure with a smooth surface is formed.
The edges of the two sides of each cambered surface blade plate frame 4 are respectively provided with a protective flange 9, and the protective flanges 9 are made of synthetic resin materials, so that the trawl door has excellent anti-collision performance, and the damage to the edges of the blades caused by collision in the use process of the trawl door can be avoided. As shown in fig. 2, the protective flange 9 is cylindrical as a whole, the protective flange 9 is provided with a mounting groove along the length direction, the protective flange 9 is sleeved on the edge of the cambered surface blade frame 4 through the mounting groove, and is fixed with the cambered surface blade frame 4 through copper rivets.
Claims (3)
1. The utility model provides a vertical trawl door of helping vertical trawl door of hanging down, includes roof (1), towline board (2), bottom plate (3) and a plurality of cambered surface leaf board frame (4), between roof (1) and towline board (2), between bottom plate (3) and towline board (2) symmetry respectively is equipped with a plurality of cambered surface leaf board frame (4), a plurality of fretwork holes (5) have been spaced apart on cambered surface leaf board frame (4), its characterized in that: the utility model discloses a top board, which is characterized in that a first filling board (6) is embedded in a hollowed hole (5) of a cambered surface blade plate frame (4) between a top board (1) and a steel hauling plate (2), a second filling board (7) is embedded in the hollowed hole (5) of the cambered surface blade plate frame (4) between a bottom board (3) and the steel hauling plate (2), the density of the first filling board (6) is lower than that of the second filling board (7), cover surface plates (8) are respectively fixed on two sides of the cambered surface blade plate frame (4), a protective baffle edge (9) is arranged at the edge of the cambered surface blade plate frame (4), the first filling board (6), the second filling board (7) and the cover surface plate (8) are respectively matched with the radian of the corresponding cambered surface blade plate frame (4), the size and the thickness of the first filling board (6) and the second filling board (7) are respectively matched with the corresponding hollowed hole (5), the protective baffle edge (9) are integrally formed and are provided with a length direction, a mounting baffle edge (9) is formed on the cambered surface blade plate frame (4) and the inner side of the cambered surface blade plate (4) is gradually increased through the top board (4) and the top board (4) is mounted on the inner side of the cambered surface blade plate (4) through the top board (4), the density of the second filling plates (7) embedded in the hollowed holes (5) of the cambered surface blade plate frames (4) between the bottom plate (3) and the steel hauling plates (2) is gradually increased from top to bottom, and the covering surface plates (8) are fixed with the cambered surface blade plate frames (4) through fasteners.
2. A sagging-assisted vertical trawl door according to claim 1, wherein: the protective flange (9) is made of an anti-collision material.
3. A sagging-assisted vertical trawl door according to claim 1, wherein: the trawl door is in a V shape as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361852.6A CN109984101B (en) | 2019-04-30 | 2019-04-30 | Vertical trawl board with auxiliary hanging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361852.6A CN109984101B (en) | 2019-04-30 | 2019-04-30 | Vertical trawl board with auxiliary hanging function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109984101A CN109984101A (en) | 2019-07-09 |
| CN109984101B true CN109984101B (en) | 2024-01-30 |
Family
ID=67135803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910361852.6A Active CN109984101B (en) | 2019-04-30 | 2019-04-30 | Vertical trawl board with auxiliary hanging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109984101B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262990B (en) * | 2021-12-28 | 2022-11-22 | 郑州纺机自控设备股份有限公司 | Spunlace non-woven fabric complete equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2099527A (en) * | 1937-02-20 | 1937-11-16 | Western Union Telegraph Co | Method of and apparatus for laying submarine cables |
| FR1002718A (en) * | 1949-04-01 | 1952-03-10 | Trawl training | |
| GB772885A (en) * | 1955-05-04 | 1957-04-17 | John William Phillips | Improvements relating to trawl boards |
| FR1370738A (en) * | 1963-07-15 | 1964-08-28 | Improvement relating to trawl doors | |
| SU507285A1 (en) * | 1972-07-07 | 1976-03-25 | Клайпедский Филиал Центрального Проектно-Конструкторского И Технологического Бюро Главного Управления Рыбной Промышленности Западного Бассейна "Запрыба" | Trawl board |
| JP2003013327A (en) * | 2001-07-02 | 2003-01-15 | Toray Ind Inc | High density conjugated fiber for fishing net and fishing net composed of the same |
| CN2769174Y (en) * | 2005-02-01 | 2006-04-05 | 象山禾丰机械厂 | Trawl board for fishing boat |
| CN201012742Y (en) * | 2007-03-12 | 2008-01-30 | 毛学明 | Net dragging board for fishing boat |
| CN202896839U (en) * | 2012-10-11 | 2013-04-24 | 宁波捷胜海洋开发有限公司 | Trawl net plate in different water layers |
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| CN105594670A (en) * | 2016-03-09 | 2016-05-25 | 中国水产科学研究院东海水产研究所 | Horizontal expansion device for Euphausia superba trawl net |
| CN105875534A (en) * | 2016-05-24 | 2016-08-24 | 中国水产科学研究院东海水产研究所 | Frame plate-embedded type assembly mesh plate |
| CN106386717A (en) * | 2016-11-23 | 2017-02-15 | 中国水产科学研究院东海水产研究所 | Rectangular curved otter board |
| CN106719483A (en) * | 2016-12-12 | 2017-05-31 | 中国海洋大学 | Single boat trawl semi-flexible foldable rectangular " V " type web plate |
| CN107571552A (en) * | 2017-09-05 | 2018-01-12 | 无锡吉兴汽车声学部件科技有限公司 | Closed grid enhanced type automobile decorative panel and its application |
| RU180523U1 (en) * | 2017-02-20 | 2018-06-15 | Виталий Алексеевич Пелешенко | Trawl board |
| WO2018121829A1 (en) * | 2016-12-29 | 2018-07-05 | Mld Aps | Trawl door with novel fixation points for pulling after a vessel |
| CN211211053U (en) * | 2019-04-30 | 2020-08-11 | 中国水产科学研究院东海水产研究所 | Vertical trawl board of type of helping hanging down |
-
2019
- 2019-04-30 CN CN201910361852.6A patent/CN109984101B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2099527A (en) * | 1937-02-20 | 1937-11-16 | Western Union Telegraph Co | Method of and apparatus for laying submarine cables |
| FR1002718A (en) * | 1949-04-01 | 1952-03-10 | Trawl training | |
| GB772885A (en) * | 1955-05-04 | 1957-04-17 | John William Phillips | Improvements relating to trawl boards |
| FR1370738A (en) * | 1963-07-15 | 1964-08-28 | Improvement relating to trawl doors | |
| SU507285A1 (en) * | 1972-07-07 | 1976-03-25 | Клайпедский Филиал Центрального Проектно-Конструкторского И Технологического Бюро Главного Управления Рыбной Промышленности Западного Бассейна "Запрыба" | Trawl board |
| JP2003013327A (en) * | 2001-07-02 | 2003-01-15 | Toray Ind Inc | High density conjugated fiber for fishing net and fishing net composed of the same |
| CN2769174Y (en) * | 2005-02-01 | 2006-04-05 | 象山禾丰机械厂 | Trawl board for fishing boat |
| CN201012742Y (en) * | 2007-03-12 | 2008-01-30 | 毛学明 | Net dragging board for fishing boat |
| CN202896839U (en) * | 2012-10-11 | 2013-04-24 | 宁波捷胜海洋开发有限公司 | Trawl net plate in different water layers |
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| CN203913052U (en) * | 2014-04-14 | 2014-11-05 | 徐州一统渔具有限公司 | The special fishing trawl of reservoir |
| CN105594670A (en) * | 2016-03-09 | 2016-05-25 | 中国水产科学研究院东海水产研究所 | Horizontal expansion device for Euphausia superba trawl net |
| CN105875534A (en) * | 2016-05-24 | 2016-08-24 | 中国水产科学研究院东海水产研究所 | Frame plate-embedded type assembly mesh plate |
| CN106386717A (en) * | 2016-11-23 | 2017-02-15 | 中国水产科学研究院东海水产研究所 | Rectangular curved otter board |
| CN106719483A (en) * | 2016-12-12 | 2017-05-31 | 中国海洋大学 | Single boat trawl semi-flexible foldable rectangular " V " type web plate |
| WO2018121829A1 (en) * | 2016-12-29 | 2018-07-05 | Mld Aps | Trawl door with novel fixation points for pulling after a vessel |
| RU180523U1 (en) * | 2017-02-20 | 2018-06-15 | Виталий Алексеевич Пелешенко | Trawl board |
| CN107571552A (en) * | 2017-09-05 | 2018-01-12 | 无锡吉兴汽车声学部件科技有限公司 | Closed grid enhanced type automobile decorative panel and its application |
| CN211211053U (en) * | 2019-04-30 | 2020-08-11 | 中国水产科学研究院东海水产研究所 | Vertical trawl board of type of helping hanging down |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109984101A (en) | 2019-07-09 |
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