CN205455458U - Two zigzag shaped trawl board of vertical curved surface - Google Patents
Two zigzag shaped trawl board of vertical curved surface Download PDFInfo
- Publication number
- CN205455458U CN205455458U CN201620155745.XU CN201620155745U CN205455458U CN 205455458 U CN205455458 U CN 205455458U CN 201620155745 U CN201620155745 U CN 201620155745U CN 205455458 U CN205455458 U CN 205455458U
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- CN
- China
- Prior art keywords
- deflector
- vertical type
- curved face
- trawl board
- fold linear
- 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.)
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- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000003892 spreading Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000005728 strengthening Methods 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a two zigzag shaped trawl board of vertical curved surface, including last roof, lower plate and the two zigzag shaped interarea boards of setting between last roof and lower plate, the interarea board form by preceding guide plate, well guide plate and back guide plate three staggered arrangement, the staggered arrangement give first place to on the cross -section of panel, the tail end of preceding guide plate is arranged in the top of guide plate head end, the tail end of well guide plate lies in the top of back guide plate head end. The beneficial effects of the utility model are that the distensibility can be good, and resistance coefficient is low, and simple structure easily makes and maintains, is applicable to the midwater trawl operation.
Description
Technical field
This utility model relates to the web plate expanding netting gear in single boat trawl operation.
Background technology
The Main Function of trawl board is the horizontal expansion realizing netting gear during trawler is pulled,
Increase is swept sea and is amassed.When different water levels trawlnet, web plate also functions to the effect of netting gear settler, is used for
Realize netting gear vertical opening.In operation, according to different fishing grounds and the feature of fished species, knot during use
Closing fishing boat power, fish for the factors such as water layer, selecting suitable web plate type is the pass of fishing success or failure
One of key technology.At present world's trawl-net fishing uses more web plate type have rectangle, ellipse,
Vertical type curved face formula, vertical type curved face V-shape, single split, double split, multiple aerofoil profile web plate etc..Its
In in middle level, these web plates are generally applicable to middle level and bottom trawlnet operation.
Vertical type curved face V-type web plate is similar to that the wing of aircraft due to it, has plate face knuckle simultaneously,
Therefore web plate spreading performance height, good stability, use more in large and medium-sized trawler.But
In pelagic trawling, when fished species Burden-Swimming Ability of KM is stronger, fishing boat is needed to carry out with bigger towing speed
Trawl fishing operation, now expectation trawl board has the biggest expansionary force and less water resistance.
Patent No. " 202890252 U ", Application No. " CN 201220519368.5 ", entitled " in
The vertical type curved face web plate of layer trawlnet " utility model patent disclose the vertical type curved face of a kind of novel structure
Web plate, but use the main panel of arc then to bring and compare linear type steel plate construction difficulty greatly, not easy care
Shortcoming.
How the space that the most traditional middle layer trawl mesh-plate structure also improves and optimizates, improve web plate and exist
Stability in operation and spreading performance, reduce resistance coefficient, it is easy to manufacture and maintenance is to need to improve
Content.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of spreading performance is good,
Resistance coefficient is low, simple in construction, it is easy to manufactures and safeguards, it is adaptable to the trawlnet net of pelagic trawling
Plate.
For reaching above-mentioned utility model purpose, it is provided that a kind of two-fold linear trawl board of vertical type curved face, bag
Include upper plate, lower shoe and the two-fold linear main panel being arranged between upper plate and lower shoe, described
Main panel be made up of front flow guiding plate, middle deflector and rear deflector three's interlaced arrangement, described friendship
Mistake is arranged as on the cross section of main panel, and the tail end of front flow guiding plate is positioned at the top of middle deflector head end, in
The tail end of deflector is positioned at the top of rear deflector head end.
Preferably, the cross section of described front flow guiding plate, middle deflector and rear deflector is circular arc.
Preferably, the head end of described front flow guiding plate, middle deflector and rear deflector is distributed evenly in
On same section of circular arc.Front flow guiding plate, middle deflector and rear deflector generally form the master of one section of arc
Panel.
Preferably, described front flow guiding plate, middle deflector pass multiple parallel fixing with rear deflector
Plate, two ends are connected with upper plate and lower shoe respectively.
Preferably, it is fixed with reinforcement gusset between described front flow guiding plate tail end and middle deflector head end；
It is fixed with reinforcement gusset between described middle deflector tail end and rear deflector head end.
Preferably, front flow guiding plate, middle deflector and rear deflector both sides of the edge are fillet.
Preferably, described two-fold linear being typically fixedly arranged in the middle of drags guiding principle support.Drag guiding principle arm-tie and pass through spiral shell
Bolt is connected with draging guiding principle support, drags guiding principle for connection.
Preferably, there is retainer ring on described upper plate top.Retainer ring is for web plate lifting or fixing.
Preferably, described rear deflector top and bottom are provided with fork guiding principle support.Fork guiding principle support is for even
Connect fork guiding principle.
Preferably, the aspect ratio of described main panel is 1.5 to 2.5.
The two-fold linear trawl board of vertical type curved face of the present utility model, the master between upper plate and lower shoe
Panel uses two-fold linear, and dual slope shape is presented as that side is V-arrangement, and its main panel changes existing skill
Curved panel and the design of straight line type face slab in art, use the mode of three deflector interlaced arrangement, front
Deflector tail end is positioned at the top of middle deflector head, and the tail end of middle deflector is positioned at rear deflector head
Top, from cross section, three pieces of deflectors are integral is combined into arc main panel.This structure
There is more outstanding spreading performance and relatively low resistance.
The beneficial effects of the utility model are that spreading performance is good, and resistance coefficient is low, simple in construction, it is easy to
Manufacture and safeguard, it is adaptable to pelagic trawling.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that the present invention implements；
Fig. 2 is the front view of the embodiment of the present invention；
Fig. 3 is the right view of the embodiment of the present invention；
Fig. 4 is that the A-A of Fig. 2 is to profile；
Wherein:
Deflector in 1-lower shoe 2-front flow guiding plate 3-
4-fixation clamp 5-drags guiding principle arm-tie 6-upper plate
7-retainer ring 8-is strengthened gusset 9-and is draged guiding principle support
After 10-, deflector 11-pitches guiding principle link
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
As shown in Figure 1, a kind of two-fold linear web plate of vertical type curved face of the present utility model, material is peculiar to vessel
Steel plate.By lower shoe 1, front flow guiding plate 2, middle deflector 3, rear deflector 10, upper plate 6, consolidate
Determine plate 4, strengthen gusset 8, drag guiding principle support 9, fork guiding principle link 11 form.Front flow guiding plate 2, in lead
Stream plate 3 and rear deflector 10 overall composition main panel, main panel is arranged on upper plate 6 and lower shoe 1
Between.Main panel is made up of front flow guiding plate 2, middle deflector 3 and rear deflector 10 three's interlaced arrangement,
Described interlaced arrangement is on the cross section of main panel, and the tail end of front flow guiding plate 2 is positioned at middle deflector 3
The top of end, the tail end of middle deflector 3 is positioned at the top of rear deflector 10 head end.Front flow guiding plate 2,
The cross section of middle deflector 3 and rear deflector 10 is circular arc.Front flow guiding plate 2, middle deflector 3 and
The head end of rear deflector 10 is distributed evenly on same section of circular arc.Front flow guiding plate 2, middle deflector 3
With the main panel that rear deflector 10 generally forms one section of arc.Front flow guiding plate 2, middle deflector 3 and
Rear deflector 10 is through multiple parallel fixed plates 4, and two ends connect with upper plate 6 and lower shoe 1 respectively
Connect.Reinforcement gusset 8 it is fixed with between front flow guiding plate 2 tail end and middle deflector 3 head end；Lead in described
Reinforcement gusset 8 it is fixed with between stream plate 3 tail end and rear deflector 10 head end.Front flow guiding plate 2, in lead
Stream plate 3, the steel plate thickness of rear deflector 10 are 12mm, by lower shoe 1, fixed plate 4, strengthen
Gusset 8, the fixing connection of upper plate 6.Lower shoe 1, fixed plate 4, upper plate 6 steel plate thickness are 20
Mm, strengthening gusset 8 steel plate thickness is 8mm.Front flow guiding plate 2, middle deflector 3, rear deflector 10
Cross section be circular arc, side is two-fold linear.Front flow guiding plate 2, middle deflector 3, rear deflector
10 both sides of the edge are that fillet processes, and arc radius is 6mm.Drag guiding principle support 9 to be fixed in main panel
Portion.Drag guiding principle arm-tie 5 to be connected with draging guiding principle support 9 by bolt, drag guiding principle for connection.Upper plate 6 pushes up
End is provided with retainer ring 7, for web plate lifting or fixing.The top and bottom of rear deflector 10 are provided with fork
Guiding principle link 11, is used for connecting fork guiding principle.
The front view of main panel is projected as rectangle as shown in Figure 2, and height is 5m, and width is 2m, Zhan Xian
Ratio is 2.5.
Front flow guiding plate 2, middle deflector 3, rear deflector 10 side are two-fold linear as shown in Figure 3,
Lateral symmetry, is in the shape of the letter V, and is 12 ° to middle bending angle.The upper end of rear deflector 10 and under
End is provided with fork guiding principle link 11, is used for connecting fork guiding principle.
It is that the A-A of Fig. 2 is to profile, front flow guiding plate 2, middle deflector 3, rear water conservancy diversion as shown in Figure 4
The cross section of plate 10 is circular arc.
Below the preferred embodiment created this utility model is illustrated, but this practicality is new
Type is created and is not limited to described embodiment, and those of ordinary skill in the art are new without prejudice to this practicality
Modification or the replacement of all equivalents, these equivalent modifications can also be made on the premise of type creative spirit
Or replacement is all contained in the application claim limited range.
Claims (10)
1. the two-fold linear trawl board of vertical type curved face, including upper plate, lower shoe and the two-fold linear main panel being arranged between upper plate and lower shoe, it is characterized in that, described main panel is made up of front flow guiding plate, middle deflector and rear deflector three's interlaced arrangement, described interlaced arrangement is on the cross section of main panel, the tail end of front flow guiding plate is positioned at the top of middle deflector head end, and the tail end of middle deflector is positioned at the top of rear deflector head end.
The two-fold linear trawl board of vertical type curved face the most according to claim 1, it is characterised in that the cross section of described front flow guiding plate, middle deflector and rear deflector is circular arc.
The two-fold linear trawl board of vertical type curved face the most according to claim 2, it is characterised in that the head end of described front flow guiding plate, middle deflector and rear deflector is distributed evenly on same section of circular arc.
The two-fold linear trawl board of vertical type curved face the most according to claim 3, it is characterised in that described front flow guiding plate, middle deflector are with rear deflector through multiple parallel fixed plates, and two ends are connected with upper plate and lower shoe respectively.
The two-fold linear trawl board of vertical type curved face the most according to claim 3, it is characterised in that be fixed with reinforcement gusset between described front flow guiding plate tail end and middle deflector head end；It is fixed with reinforcement gusset between described middle deflector tail end and rear deflector head end.
6. according to the arbitrary described two-fold linear trawl board of vertical type curved face of claim 1 to 5, it is characterised in that front flow guiding plate, middle deflector and rear deflector both sides of the edge are fillet.
7. according to the arbitrary described two-fold linear trawl board of vertical type curved face of claim 1 to 5, it is characterised in that described two-fold linear being fixedly arranged in the middle of drags guiding principle support.
8. according to the arbitrary described two-fold linear trawl board of vertical type curved face of claim 1 to 5, it is characterised in that there is retainer ring on described upper plate top.
9. according to the arbitrary described two-fold linear trawl board of vertical type curved face of claim 1 to 5, it is characterised in that described rear deflector top and bottom are provided with fork guiding principle support.
10. according to the arbitrary described two-fold linear trawl board of vertical type curved face of claim 1 to 5, it is characterised in that the aspect ratio of described main panel is 1.5 to 2.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155745.XU CN205455458U (en) | 2016-03-01 | 2016-03-01 | Two zigzag shaped trawl board of vertical curved surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155745.XU CN205455458U (en) | 2016-03-01 | 2016-03-01 | Two zigzag shaped trawl board of vertical curved surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205455458U true CN205455458U (en) | 2016-08-17 |
Family
ID=56657929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620155745.XU Active CN205455458U (en) | 2016-03-01 | 2016-03-01 | Two zigzag shaped trawl board of vertical curved surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205455458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110476904A (en) * | 2019-09-30 | 2019-11-22 | 浙江海洋大学 | A kind of air foil shape trawl board |
-
2016
- 2016-03-01 CN CN201620155745.XU patent/CN205455458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110476904A (en) * | 2019-09-30 | 2019-11-22 | 浙江海洋大学 | A kind of air foil shape trawl board |
| CN110476904B (en) * | 2019-09-30 | 2021-08-10 | 浙江海洋大学 | Wing-shaped trawl board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |