CN103891682B - The method for weaving of a kind of complicated landform marine site necton sampling netting gear - Google Patents
The method for weaving of a kind of complicated landform marine site necton sampling netting gear Download PDFInfo
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- CN103891682B CN103891682B CN201410137186.5A CN201410137186A CN103891682B CN 103891682 B CN103891682 B CN 103891682B CN 201410137186 A CN201410137186 A CN 201410137186A CN 103891682 B CN103891682 B CN 103891682B
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- wing
- mesh
- etting
- sleeve
- accrue
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- 238000009941 weaving Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002775 capsule Substances 0.000 claims abstract description 24
- 210000001015 abdomen Anatomy 0.000 claims abstract description 15
- 238000009954 braiding Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 3
- 230000004075 alteration Effects 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000013535 sea water Substances 0.000 claims description 2
- 230000032696 parturition Effects 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 8
- 238000012876 topography Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 241000356842 Larimichthys polyactis Species 0.000 description 1
- 241001533364 Portunus trituberculatus Species 0.000 description 1
- 241001274979 Selenotoca multifasciata Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Abstract
The present invention relates to a kind of complicated landform marine site necton sampling netting gear and method for weaving thereof, etting comprises wing, square, body and net capsule, described wing to be back of the body sleeve with abdomen tuck inside the sleeve one of netting gear assembly of being combined into, integrated weavedly completes, and accrue mode is that raw structure is indulged in three roads.During braiding, respectively weave vertical raw accrue structure together at back of the body sleeve, abdomen sleeve and back of the body abdomen sleeve intersection, indulge raw wing with three roads and be connected with body, the vertical raw joint that junction has three to be separated from each other.Described mesh of cod-end size is minimum, and body from back to front mesh becomes large gradually, and wing, square, body first paragraph size of mesh are maximum.Three roads of the present invention are indulged raw structure and are conducive to clearing up stress wing and body junction too concentrated, make etting stressed evenly, be convenient to tackle topography and geomorphology complicated and changeable; Prevent biology to run away probability, eliminate scientific research deviation; Adopt aggregate measures to reduce etting line area, under the prerequisite of guaranteed performance, towrope resistance is minimized.
Description
Technical field
The invention belongs to single ship and have wing list capsule trawlnet type of technology field, particularly relate to the method for weaving of a kind of complicated landform marine site necton sampling netting gear.
Background technology
Marine fishery resources is not only the material base of fishing for industry development, and be again marine ecosystems important composition key element, necton (comprising fish, Shrimp waste, siphonopods etc.) is the of paramount importance part of marine fishery resources simultaneously.For a long time, fishery scientific research institution of China is for understanding marine nectons Quantity, grasping change in resources dynamically, and usually adopt trawlnet towing method to gather biological sample, material carries out relevant research work based on this.
There is wide killing pests with irradiation distribution coastal region, the Huanghai Sea middle and south, there is shoal area, marginal zone, shoal, Sha Cao district and the typical seafloor topography feature of shallow water area 4, water is shallow and depth of water luffing is large, these complicated landform geomorphic elements being interspersed in specified sea areas, impart unique ecological function, become little yellow croaker, butterfish, the important spawning ground of the economic kind such as swimming crab and feeding ground, dominating role is risen to the spatial and temporal distributions of marine fishery resources and Changing Pattern thereof, material impact is also produced to supplementing of marine fishery resources, the nekton resource investigation research in this region is an important basic research work.Some important fisheries waters of China coast also have analogue, and as numerous nearly islands and reefs regions, its topography and geomorphology is also comparatively complicated, there is same technical need.
The changeable topography and geomorphology of underwater complex brings a series of unthinkable puzzlement to biological sampling work.Based on the particularity of this regional environment condition, scientific research result is made accurately to reflect the truth of nekton resource in region, according to the unique environments condition in the complicated topography and geomorphology marine sites such as killing pests with irradiation and living resources feature, rational design must be carried out to the Trawl gear of collected specimens.
Summary of the invention
Technical problem to be solved by this invention is to provide the method for weaving of a kind of complicated landform marine site necton sampling netting gear.By the structural design of uniqueness, the scientific research deviation that reduction is misfitted because sample and natural marine site biology are formed and brought, reduce biology to run away probability, be convenient to tackle topography and geomorphology complicated and changeable, reduce etting line area, reduce towrope resistance, three roads are indulged raw structure and are conducive to clearing up stress wing and body junction too concentrated, make etting stressed evenly.
The technical solution adopted for the present invention to solve the technical problems is: the method for weaving providing a kind of complicated landform marine site necton sampling netting gear, described netting gear comprises etting, described etting comprises the wing, square, body and the net capsule that connect successively, the back of the body sleeve of described wing, abdomen are tucked inside the sleeve and back of the body abdomen sleeve intersection respectively has vertical life accrue structure together, the vertical life in three roads is roughly evenly arranged along wing, indulges after raw wing is connected with body front portion forming three vertical raw joints be separated from each other with three roads; Its rear portion of described body is connected with net capsule; The size of mesh of described etting becomes large from net capsule, body gradually to wing, and mesh of cod-end size is minimum, and body from back to front mesh becomes large gradually, and wing, square, body first paragraph size of mesh are maximum.
Described etting adopts the polythene material large with seawater aberration to weave and forms, and size of mesh is 150-300 millimeter.
Described wing is no more than 60 meters to the total length of net capsule is maximum, and the net gap perimeter of netting gear is 125 meters.
Taper shape in outer contour evagination after described body launches.
A method for weaving for complicated landform marine site necton sampling netting gear, is characterized in that, comprise the following steps:
A () braiding wing, tuck inside the sleeve at the back of the body of wing, abdomen sleeve and back of the body abdomen sleeve intersection respectively has together vertical life accrue structure, indulge after raw wing is connected with body, have the vertical raw joint that three are separated from each other with three roads;
(b) braiding body, described body adopts that micro-evagination is linear to be weaved, adopt three kinds of form control bodies such as " reducing size of mesh+all order numbers to increase ", " reducing size of mesh+all order numbers constant ", " reducing size of mesh+all order numbers to reduce " linear during braiding successively, micro-evagination is linear to be realized mainly through " all order numbers are constant " transitional link to " all order numbers reduce ";
C () mesh grid capsule, the size of mesh of the net capsule woven controls at 20 millimeters.
Vertical raw accrue structure in described step (a) is for carrying out longitudinal accrue, accrue mode that weaving mode is " 3 pairs of holes, 6+12 times, 2 pairs of holes " in braiding time-division three road.
In described step (b), etting selects netting twine specification back to be narrower than the etting position of belly, is positioned at the etting of maximum size of mesh, comprises wing, square, body first paragraph.
Net capsule described in described step (c) (3) size of mesh is less than or equal to 20 millimeters.
beneficial effect
The invention has the advantages that, the scientific research deviation that reduction is misfitted because sample and natural marine site biology are formed and brought, reduce biology to run away probability, be convenient to tackle topography and geomorphology complicated and changeable, reduce etting line area, reduce towrope resistance, three roads are indulged raw structure and are conducive to clearing up stress wing and body junction too concentrated, make etting stressed evenly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical raw structural representation in the present invention 3 place.
Fig. 3 is the vertical raw structure braiding enlarged diagram in the present invention 3 place.
In figure: 1, wing; 2, body; 3, net capsule; 4, mesh; 5, accrue.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
As shown in Figures 1 to 3, a kind of complicated landform marine site necton sampling netting gear, described etting is by wing 1, square, body 2 and net capsule 3 form, the back of the body sleeve of described wing 1, abdomen sleeve and back of the body abdomen sleeve intersection respectively have vertical raw accrue structure together, the vertical life in three roads is roughly evenly arranged along wing 1 peripheral direction, indulge after raw wing 1 is connected with body 2 front portion with three roads and form three vertical raw joints be separated from each other, described body 2 rear portion is connected with net capsule 3, the size of mesh of described etting is from net capsule 3, body 2 becomes large gradually to wing 1, net capsule 3 size of mesh is minimum, body 2 from back to front mesh becomes large gradually, wing 1, square, body 2 first paragraph size of mesh is maximum.The vertical raw structure in three roads is completed by hand woven, the vertical raw starting point of braiding is at body first paragraph, about three starting point adjacent order number interval 20 orders, to guarantee that area of stress concentration separately, raw carrying out (as shown in Figure 2 and Figure 3) according to identical accrue rule is indulged in three roads.A complete etting can divide three parts to weave, and one is that body first paragraph (being mesh part maximum in body, measure-alike with wing) takes up one's knitting, until wing end terminates, three roads are indulged raw design feature and just embodied at this position; Two is braidings of body, can carry out from front to back from second segment body, order is large, play order number, whole order number, number of looking as far as one's eyes can see, with wire gauge lattice, color etc. according to the parameter list data execution provided, increase by half object situation when considering the connection of this part and body first paragraph and net capsule during braiding, therefore second segment and a final stage joint (i.e. half mesh) fewer than the parameter list provided; Three is net capsule parts.
Perform according to following braided parameter when weaving body and net capsule:
Claims (6)
1. the method for weaving of a complicated landform marine site necton sampling netting gear, described netting gear comprises etting, described etting comprises the wing (1), square, body (2) and the net capsule (3) that connect successively, it is characterized in that: the back of the body sleeve of described wing (1), abdomen are tucked inside the sleeve and back of the body abdomen sleeve intersection respectively has vertical life accrue structure together, the vertical accrue structure of giving birth in three roads is roughly evenly arranged along wing (1), and the wing (1) indulging raw accrue structure with three roads forms three vertical raw joints be separated from each other afterwards with body (2) anterior connection; Described body (2) its rear portion is connected with net capsule (3); The size of mesh of described etting becomes large from net capsule (3), body (2) gradually to wing (1), net capsule (3) size of mesh is minimum, body (2) from back to front mesh becomes large gradually, wing (1), square, body (2) first paragraph size of mesh are maximum, it is characterized in that, comprise the following steps:
A () braiding wing (1), tuck inside the sleeve at the back of the body of wing (1), abdomen sleeve and back of the body abdomen sleeve intersection respectively has together vertical life accrue structure, after the wing (1) indulging raw accrue structure with three roads is connected with body (2), have the vertical raw joint that three are separated from each other;
(b) braiding body (2), described body (2) adopts that micro-evagination is linear to be weaved, adopt " reducing size of mesh+all order number to increase ", " reducing size of mesh+all order numbers constant ", " reducing size of mesh+all order numbers to reduce " three kinds of form control bodies linear during braiding successively, micro-evagination is linear to be realized mainly through " all order numbers are constant " transitional link to " all order number reductions ";
C () mesh grid capsule (3), the size of mesh of the net capsule (3) woven controls within 20 millimeters.
2. the method for weaving of a kind of complicated landform marine site according to claim 1 necton sampling netting gear, is characterized in that, described etting adopts the polythene material large with seawater aberration to weave and forms, and size of mesh is 150-300 millimeter.
3. the method for weaving of a kind of complicated landform marine site according to claim 1 necton sampling netting gear, is characterized in that, described wing (1) is no more than 60 meters to the total length of net capsule (3) is maximum, and the net gap perimeter of netting gear is 125 meters.
4. the method for weaving of a kind of complicated landform marine site according to claim 1 necton sampling netting gear, is characterized in that, the taper shape in outer contour evagination after described body (2) launches.
5. the method for weaving of a kind of complicated landform marine site according to claim 1 necton sampling netting gear, it is characterized in that, vertical raw accrue structure in described step (a) is for carrying out longitudinal accrue, accrue mode that weaving mode is " 3 pairs of holes, 6+12 times, 2 pairs of holes " in braiding time-division three road.
6. the method for weaving of a kind of complicated landform marine site according to claim 1 necton sampling netting gear, it is characterized in that, in described step (b), etting selects netting twine specification back to be narrower than the etting position of belly, be positioned at the etting of maximum size of mesh, comprise wing, square, body first paragraph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137186.5A CN103891682B (en) | 2014-04-04 | 2014-04-04 | The method for weaving of a kind of complicated landform marine site necton sampling netting gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137186.5A CN103891682B (en) | 2014-04-04 | 2014-04-04 | The method for weaving of a kind of complicated landform marine site necton sampling netting gear |
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| Publication Number | Publication Date |
|---|---|
| CN103891682A CN103891682A (en) | 2014-07-02 |
| CN103891682B true CN103891682B (en) | 2015-09-23 |
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| CN201410137186.5A Expired - Fee Related CN103891682B (en) | 2014-04-04 | 2014-04-04 | The method for weaving of a kind of complicated landform marine site necton sampling netting gear |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2071571A5 (en) * | 1969-12-19 | 1971-09-17 | Guezala Larequi Francisc | |
| GB2222752A (en) * | 1988-05-25 | 1990-03-21 | John Alexander Munro | Fishing trawl |
| CN2072328U (en) * | 1989-11-04 | 1991-03-06 | 辽宁省大连海洋渔业总公司 | Large-mesh trawlnet |
| CN2090160U (en) * | 1991-05-03 | 1991-12-11 | 威海网具厂 | Superficial drawn net |
| CN1200648A (en) * | 1995-10-13 | 1998-12-02 | 马特拉公司 | Design and method for trawl system cell |
| CN2822202Y (en) * | 2005-09-27 | 2006-10-04 | 中国水产科学研究院东海水产研究所 | Ladder net grid of bottom trawlnet |
| WO2010036381A1 (en) * | 2008-09-29 | 2010-04-01 | Hampidjan, Hf | Lower cost, higher efficiency trawl construction |
| CN203801529U (en) * | 2014-04-04 | 2014-09-03 | 江苏省海洋水产研究所 | Sampling net tool for nektons in complex topographical sea area |
-
2014
- 2014-04-04 CN CN201410137186.5A patent/CN103891682B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2071571A5 (en) * | 1969-12-19 | 1971-09-17 | Guezala Larequi Francisc | |
| GB2222752A (en) * | 1988-05-25 | 1990-03-21 | John Alexander Munro | Fishing trawl |
| CN2072328U (en) * | 1989-11-04 | 1991-03-06 | 辽宁省大连海洋渔业总公司 | Large-mesh trawlnet |
| CN2090160U (en) * | 1991-05-03 | 1991-12-11 | 威海网具厂 | Superficial drawn net |
| CN1200648A (en) * | 1995-10-13 | 1998-12-02 | 马特拉公司 | Design and method for trawl system cell |
| CN2822202Y (en) * | 2005-09-27 | 2006-10-04 | 中国水产科学研究院东海水产研究所 | Ladder net grid of bottom trawlnet |
| WO2010036381A1 (en) * | 2008-09-29 | 2010-04-01 | Hampidjan, Hf | Lower cost, higher efficiency trawl construction |
| CN203801529U (en) * | 2014-04-04 | 2014-09-03 | 江苏省海洋水产研究所 | Sampling net tool for nektons in complex topographical sea area |
Non-Patent Citations (1)
| Title |
|---|
| 南海拖网渔具的结构特征及发展方向;杨吝;《湛江海洋大学学报》;19991230;第19卷(第4期);第78-82页 * |
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| CN103891682A (en) | 2014-07-02 |
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Granted publication date: 20150923 |