CN202890254U - Bottom layer trawl board - Google Patents
Bottom layer trawl board Download PDFInfo
- Publication number
- CN202890254U CN202890254U CN 201220519392 CN201220519392U CN202890254U CN 202890254 U CN202890254 U CN 202890254U CN 201220519392 CN201220519392 CN 201220519392 CN 201220519392 U CN201220519392 U CN 201220519392U CN 202890254 U CN202890254 U CN 202890254U
- Authority
- CN
- China
- Prior art keywords
- guide plate
- plate
- baffle upper
- upper guide
- web 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Farming Of Fish And Shellfish (AREA)
Abstract
The utility model discloses a bottom layer trawl board which comprises a trawl board body. The side wall of the trawl board body is a curved surface. The trawl board body comprises a warp; an upper panel and a lower panel are symmetrically placed at the upper end and the lower end of the warp, wherein the upper panel and the lower panel are of the same shape; the upper panel comprises a first upper guide plate, a second upper guide plate and a third upper guide plate, wherein the first upper guide plate, the second upper guide plate and the third upper guide plate are placed at intervals; the lower panel comprises a first lower guide plate, a second lower guide plate and a third lower guide plate; the included angle between the first upper guide plate and the wrap is 80-89 degrees; a first seam where water flow can pass is formed between the first upper guide plate and the second upper guide plate; and a second seam where the water flow can pass is formed between the second upper guide plate and the third upper guide plate. The bottom layer trawl board is provided with an elliptic or circular trawl board body surface, suitable for working at a sea bottom with a rugged and complex terrain and more barriers and gullies.
Description
Technical field
The utility model relates to the web plate that the expansion netting gear is used in the single boat trawl operation.
Background technology
Web plate require its under water during operation hydrodynamic performance reach optimum state.According to the sea area characteristics, the power of fishing boat, fish for object, operation fishing ground, fish for water layer, facility condition etc. during use, select suitable web plate type.Simultaneously, in the web plate design, generally must satisfy following several conditions: 1) in certain towing speed scope, the expansion of netting gear is remained unchanged substantially; 2) require web plate to have larger expansionary force and less resistance; 3) stability of web plate will be got well in operation process, and the marine site that can adapt to different substrates is used; 4) require web plate to use, adjust simply, processing, maintenance and economical and practical.Wherein the most important thing is to require web plate under certain towing tension, towing speed condition, have large as far as possible expansionary force and less water resistance.
At present traditional bottom trawlnet mesh-plate structure also has further improved space, makes it in the rugged complexity of landform, during the seabed operation on the high side such as barrier, gully, moves more steady.
Summary of the invention
For the deficiencies in the prior art, provide a kind of rugged complexity of landform, seabed operation bottom trawlnet web plates on the high side such as barrier, gully of being adapted at.
The utility model is achieved through the following technical solutions: the bottom trawlnet web plate, comprise the web plate body, described web plate body plane ovalisation or circle, described web plate body comprises top panel, lower panel and warp plate, described top panel is identical with lower panel structure and be symmetrical arranged about warp plate, described top panel comprises the first baffle upper plate that the interval arranges, the second baffle upper plate and the 3rd baffle upper plate, described the first baffle upper plate and warp plate angle are 80 ° ~ 86 °, form the first sealing that water supply stream passes through between described the first baffle upper plate and the second baffle upper plate, form the second sealing that water supply stream passes through between described the second baffle upper plate and the 3rd baffle upper plate.
In the technique scheme, in described the first sealing and the second sealing, be arranged at intervals with laterally extending gusset.
The utility model compared with prior art has following beneficial effect: the utility model web plate has ellipse or circular web plate body plane, is adapted at the rugged complexity of landform, the seabed operations on the high side such as barrier, gully.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail: the bottom trawlnet web plate, comprise web plate body 1, plane ovalisation or the circle of described web plate body 1 sidewall, described web plate body 1 comprises top panel 2, lower panel 3 and warp plate 4, described top panel 2 is identical with lower panel 3 structures and be symmetrical arranged about warp plate 4, described top panel 2 comprises the first baffle upper plate 20 that the interval arranges, the second baffle upper plate 21 and the 3rd baffle upper plate 22, described the first baffle upper plate 20 is 80 ° ~ 86 ° with warp plate 4 angles, 21 of described the first baffle upper plate 20 and the second baffle upper plates form the first sealing 23 that water supply stream passes through, and 22 of described the second baffle upper plate 21 and the 3rd baffle upper plates form the second sealing 24 that water supply stream passes through.In described the first sealing 23 and the second sealing 24, be arranged at intervals with laterally extending gusset 5, be convenient to increase the fastness of web plate deflector and the intensity of web plate.
Web plate is when the bottom trawlnet operation, because the sidewall of described web plate body 1 is curved surface, and has a most suitable angle between the first baffle upper plate 20 and the warp plate 4, when web plate runs into barrier, can easily cross, when web plate runs into the gully, also can cross, guaranteed that web plate of the present utility model can move stably in the bottom marine site, and the smoke screen that web plate evokes also has good effect to assembling shoal of fish networking in the sea bed of seabed.
Because for the first sealing 23 and the second sealing 24, generally be the little passage of the large water side of water intake end opening opening, the problem that the structure of this passage is easy to produce is to drag when capable in subsea level at web plate, and larger stone etc. are blocking channel easily, affects the hydrodynamic performance of web plate.In serious situation, can cause web plate to occur teetertottering or the situation of flip horizontal.For above-mentioned situation, in the first sealing 23 and the second sealing 24, filter screen 70 is set, be used for stopping that larger stone enters the passage of sealing that the number of the mesh of described filter screen should not arrange too much, otherwise can affect the hydrodynamic performance of web plate.
Claims (2)
1. bottom trawlnet web plate, it is characterized in that: comprise web plate body (1), the sidewall of described web plate body (1) is curved surface, described web plate body (1) comprises warp plate (4), described warp plate (4) upper, lower two ends are symmetrically arranged with the identical top panel of shape (2), lower panel (3), described top panel (2) comprises the first baffle upper plate (20) that the interval arranges, the second baffle upper plate (21) and the 3rd baffle upper plate (22), described lower panel (3) comprises the first chin spoiler, the second chin spoiler and the 3rd chin spoiler, wherein said the first baffle upper plate (20) is 80 ° ~ 89 ° with warp plate (4) angle, form the first sealing (23) that water supply stream passes through between described the first baffle upper plate (20) and the second baffle upper plate (21), form the second sealing (24) that water supply stream passes through between described the second baffle upper plate (21) and the 3rd baffle upper plate (22).
2. the bottom trawlnet web plate of middle layer trawl according to claim 1 is characterized in that: be arranged at intervals with laterally extending gusset (5) in described the first sealing (23) and the second sealing (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519392 CN202890254U (en) | 2012-10-11 | 2012-10-11 | Bottom layer trawl board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519392 CN202890254U (en) | 2012-10-11 | 2012-10-11 | Bottom layer trawl board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202890254U true CN202890254U (en) | 2013-04-24 |
Family
ID=48111002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220519392 Expired - Fee Related CN202890254U (en) | 2012-10-11 | 2012-10-11 | Bottom layer trawl board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202890254U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920312A (en) * | 2015-05-21 | 2015-09-23 | 山东大学（威海） | Upright grid type net 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 |
| CN106614428A (en) * | 2017-01-13 | 2017-05-10 | 广东海洋大学 | Fishing device and otter board assembly thereof |
| CN110521682A (en) * | 2019-09-30 | 2019-12-03 | 浙江海洋大学 | A kind of trawl board having automatic regulation function |
-
2012
- 2012-10-11 CN CN 201220519392 patent/CN202890254U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920312A (en) * | 2015-05-21 | 2015-09-23 | 山东大学（威海） | Upright grid type net 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 |
| CN106614428A (en) * | 2017-01-13 | 2017-05-10 | 广东海洋大学 | Fishing device and otter board assembly thereof |
| CN110521682A (en) * | 2019-09-30 | 2019-12-03 | 浙江海洋大学 | A kind of trawl board having automatic regulation function |
| CN110521682B (en) * | 2019-09-30 | 2021-08-10 | 浙江海洋大学 | Trawl board with automatic adjusting function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202890254U (en) | Bottom layer trawl board | |
| CN204959707U (en) | Ecological fishway of multiple -step type | |
| CN206706668U (en) | It is a kind of to be used to catching up with fish into the device into fish pass | |
| CN102897930B (en) | Automatic wind and light mixed energy oxygenation water treatment machine | |
| CN203429698U (en) | Water taking device with anti-blocking and desanding functions | |
| CN100529272C (en) | Waterborne contaminant collector | |
| CN112983425B (en) | Jet flow scouring type stripping-collecting device for seabed semi-buried nodule and collecting method thereof | |
| CN202108035U (en) | Embedded pipe drainage control device | |
| CN206928256U (en) | Overfall dam flip trajectory bucket facility | |
| CN101922145A (en) | Method for arresting entermorpha with air bag type arresting barrier | |
| CN203851659U (en) | Trawl plate for catching Antarctic krill | |
| CN206866420U (en) | Dig razor clam bucket | |
| CN207160103U (en) | A kind of trailing suction hopper dredger environment protecting valve | |
| CN204418144U (en) | A kind of oily algae filter screen | |
| CN104920312B (en) | A kind of upright grid type web plate | |
| CN107178109A (en) | One kind rake inhales ship environment protecting valve and application method | |
| CN204047605U (en) | Fish nest assembly | |
| CN106614428A (en) | Fishing device and otter board assembly thereof | |
| CN202896839U (en) | Trawl net plate in different water layers | |
| CN203482756U (en) | Eel suspension cultivating tank | |
| CN205188910U (en) | Harmony high water level increases device of diversion flow | |
| CN108104076B (en) | Flexible water blocking structure for reducing water flow leakage quantity at side wall of lower end of water blocking curtain wall | |
| CN112049088A (en) | Ecological river course with filtering capability | |
| CN202680231U (en) | Annular positioning choke | |
| CN202587800U (en) | Saline and alkaline land groundwater percolating and salt and alkali discharging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JESSN OCEAN EQUIPMENT LTD. Free format text: FORMER NAME: NINGBO GESSN OCEAN EXPLOITATION CO., LTD. Owner name: JESSN OCEAN EQUIPMENT CO., LTD. Free format text: FORMER NAME: JESSN OCEAN EQUIPMENT LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 315806 No. 206 Tiantai Mountain Road, Beilun District, Zhejiang, Ningbo Patentee after: Victory Marine Equipment Co.,Ltd. Address before: 315806 No. 206 Tiantai Mountain Road, Beilun District, Zhejiang, Ningbo Patentee before: NINGBO JESSN OCEAN DEVELOPMENT Co.,Ltd. Address after: 315806 No. 206 Tiantai Mountain Road, Beilun District, Zhejiang, Ningbo Patentee after: JESSN MARINE EQUIPMENT Co.,Ltd. Address before: 315806 No. 206 Tiantai Mountain Road, Beilun District, Zhejiang, Ningbo Patentee before: Victory Marine Equipment Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20211011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |