CN204409300U - A kind of segmented intranet and extranet for krill trawlnet - Google Patents
A kind of segmented intranet and extranet for krill trawlnet Download PDFInfo
- Publication number
- CN204409300U CN204409300U CN201420871319.7U CN201420871319U CN204409300U CN 204409300 U CN204409300 U CN 204409300U CN 201420871319 U CN201420871319 U CN 201420871319U CN 204409300 U CN204409300 U CN 204409300U
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- China
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- intranet
- net
- outer net
- trapezoidal
- etting
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- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Abstract
A kind of segmented intranet and extranet for krill trawlnet, adopt outer net and Intranet, Intranet is enclosed within outer net, it is characterized in that the trapezoidal joining that outer net compiles seam connection by segmentation mesh sheet forms, the longitudinally height of outer net each segmentation mesh sheet is identical, the trapezoidal joining that Intranet compiles seam connection by segmentation mesh sheet forms, the longitudinally height of Intranet each segmentation mesh sheet is identical, the quantity of Intranet segmentation mesh sheet is identical with the number of fragments of outer net ladder net ginning outturn section mesh sheet, and longitudinal height of Intranet is 1.1 times of corresponding outer net etting; The top edge of each segmentation mesh sheet of outer net superposes stitching connection network bar respectively, and lower edge and the interior upper edge of net of connection network bar are sewed up; During outer net dress net, adopt the trapezoidal etting of outer net that multi-disc is identical, longitudinal edge and the trapezoidal etting longitudinal edge of adjacent outer net of the trapezoidal etting of every sheet outer net close around side seam; During Intranet dress net, adopt the trapezoidal etting of Intranet that multi-disc is identical, the trapezoidal etting adjacent longitudinal edge of every sheet Intranet is sewed up.Aforesaid way is used for krill trawlnet segmented intranet and extranet.
Description
Technical field
The utility model relates to krill trawlnet.
Background technology
Krill is one of single biology that on the earth, stock number is maximum.It is estimated, its biomass is 6.5 × 10
8~ 10 × 10
8t, 1991, the maximum catchability that " ocean, the South Pole living resources conservation committee " the tenth meeting makes 1 year krill in South Atlantic Ocean was 1.5 × 10
6t, next year, it is 3.9 × 10 that the committee makes again the caught upper limit annual in the Indian Ocean
5t.
Perch water layer and operating principle according to krill, generally adopt middle layer trawl to carry out controlled directed fishing Antarctic krill, it is the most effective mode that current single ship middle layer trawl formula is fished for.Because the individuality of krill is minimum, krill middle layer trawl netting gear and the maximum difference of other netting gears are that the rear portion of body and net capsule by less size of mesh, need be escaped from mesh to prevent krill.Because the less mesh sheet of size of mesh can not use thicker netting twine to reach the intensity needed for krill trawlnet adding man-hour, therefore, the body rear portion of krill trawlnet generally adopts 2 layers of etting.The mesh of its outer etting is large, netting twine thick, with the intensity making netting gear reach required.The netting twine of internal layer etting compared with thin, mesh is little, in case the krill of network access escapes or spills from mesh.The structure of current intranet and extranet is that the rear portion of body is enclosed within outer net forms by being stitched into columnar Intranet, no matter Intranet how long, only there is one horizontal suture to be connected with outer net in the end of Intranet, netting gear is easily damaged stressed too the concentrating of inside and outside junction.In addition, the structure of one-part form also makes the repairing inconvenience of netting gear, changes the time-consuming effort of etting, quite difficulty.
Summary of the invention
The utility model needs the problem solved to be to provide a kind of structure of krill trawlnet intranet and extranet, and it is stressed too concentrated to solve current krill trawlnet intranet and extranet junction, replaces the shortcoming of inconvenience when netting gear easily damages and repair mesh sheet.
The technical solution of the utility model employing nets by the PE of diameter 5mm the outer net that thread size of mesh is 150mm segmentation mesh sheet and the PA netting twine being 1.5mm by diameter makes the Intranet that size of mesh is 20mm, Intranet is enclosed within outer net, it is characterized in that the trapezoidal joining that outer net compiles seam connection by segmentation mesh sheet forms, every a slice ladder net clothing height order number is 280 orders, trapezoidal etting major part angry eyes number is 80 orders, microcephaly's angry eyes number is 24 orders, every a slice ladder net clothing is longitudinally divided into 7 sections, and the longitudinally height of outer net each segmentation mesh sheet is identical; The trapezoidal joining that Intranet compiles seam connection by segmentation mesh sheet forms, the longitudinally height of Intranet each segmentation mesh sheet is identical, the height order number of Intranet is 326 orders, the T-meshes of the top of Intranet segmentation mesh sheet is 561 orders, the taper ratio on both sides keeps identical with same position outer net, the quantity of Intranet segmentation mesh sheet is identical with the number of fragments of outer net ladder net ginning outturn section mesh sheet, and longitudinal height of Intranet is 1.1 times of corresponding outer net etting; The top edge of each segmentation mesh sheet of outer net superposes stitching connection network bar respectively, the size of mesh of the PE netting twine braiding of to be diameter be on connection network bar top 5mm is 150mm, height order number is the microscler net bar of 2 object, the T-meshes of microscler net bar is equal with outer net top edge order number, connect by the PE netting twine of diameter 3mm at microscler net bar lower limb, size of mesh is 75mm, height 2 object bottom connection network bars; Lower edge and the interior upper edge of net of bottom connection network bar are sewed up; During outer net dress net, adopt the trapezoidal etting of outer net that 10 identical, longitudinal edge 5 order and the trapezoidal etting longitudinal edge of adjacent outer net of the trapezoidal etting of every sheet outer net close around side seam; During Intranet dress net, adopt the trapezoidal etting of Intranet that 10 identical, longitudinal edge 5 order and the adjacent longitudinal edge of the trapezoidal etting of every sheet Intranet are sewed up.Krill trawlnet segmented intranet and extranet can be obtained in the manner described above.
The krill trawlnet segmented intranet and extranet structure that the utility model proposes, owing to adding many connection network bars, body is strengthened, therefore, the structural strength of krill trawlnet is strengthened greatly, and inside and outside netting gear rear portion, etting is stressed more reasonable, can improve the service life of netting gear, meanwhile, more convenient during the mesh sheet of replacing local.
Accompanying drawing explanation
Fig. 1 is the trapezoidal etting schematic diagram of outer net;
Fig. 2 is outer net segmentation mesh sheet schematic diagram;
Fig. 3 is connection network bar schematic diagram;
Fig. 4 is the schematic diagram that connection network bar is connected with Intranet segmentation mesh sheet;
Fig. 5 is the schematic diagram of inside and outside trapezoidal etting combination.
Embodiment
For the intranet and extranet of krill trawlnet (see accompanying drawing), embodiment is described below:
It is that 150mm segmentation mesh sheet 2 is compiled the trapezoidal etting 1 that seam connects and met and be combined into that outer net nets thread size of mesh by the PE of diameter 5mm, every a slice ladder net clothing height order number is 280 orders, trapezoidal etting major part angry eyes number is 80 orders, microcephaly's angry eyes number is 24 orders, every a slice ladder net clothing is longitudinally divided into 7 sections, height order number 39.5 order of each segmentation mesh sheet of outer net, between section with section, 0.5 order is compiled to stitch and is connected; The top edge of each segmentation mesh sheet of outer net superposes stitching connection network bar 3 respectively;
Intranet 4 adopts diameter to be that the little mesh etting that size of mesh is 20mm made by the PA netting twine of 1.5mm, the trapezoidal etting that Intranet is connected by segmentation mesh sheet volume seam meets and is combined into, the longitudinally height of Intranet each segmentation mesh sheet is identical, the quantity of Intranet segmentation mesh sheet is identical with the number of fragments of outer net ladder net ginning outturn section mesh sheet, longitudinal height of Intranet is 1.1 times of corresponding outer net etting, and corresponding interior net height order number calculating formula is as follows:
H＝N×A/a×1.1
In above formula:
The interior net height order number of H-correspondence;
The height order number of N-outer net;
The order of A-outer net is large;
The order of a-Intranet is large.
According to the concrete numerical value that the order of the height order number of outer net, outer net order that is large and Intranet is large, the height order number of corresponding Intranet is H=39.5X150 ÷ 20X1.1=326 order;
Intranet transverse width order number removes around limit order number when wrapping between mesh sheet, and outer net Intranet taut length ratio is 1:1.05, and the trapezoidal top order number of Intranet is: M
2=(M
1-M
b) × A/a × 1.05+M
nB
In above formula:
M
2the top width order number of-corresponding Intranet;
M
1the width order number of-outer net top;
M
b-outer net when limit around the order number gone;
M
nB-Intranet order number needed for the limit;
The order of A-outer net is large;
The order of a-Intranet is large;
By the concrete numerical computations of krill trawlnet, topmost the T-meshes of the top of the Intranet segmentation mesh sheet of a slice is (80-10) X150 ÷ 20X1.05+10=561 order; The taper ratio on mesh sheet both sides keeps identical with same position outer net, can obtain the trapezoidal mesh sheet of the Intranet corresponding with outer net mesh sheet like this;
Connection network bar 3 adopt diameter be 5mm PE netting twine braiding size of mesh be 150mm, height order number is the microscler net bar of 2 object, the T-meshes of net bar is equal with outer net top edge order number, for convenience of and the little mesh of Intranet dock, connect by the PE netting twine of diameter 3mm at microscler net bar lower limb, size of mesh is 75mm, height 2 object connection network bars; Lower edge and the interior upper edge of net of connection network bar are sewed up;
During dress net, the trapezoidal etting of Intranet that Intranet fills net employing 10 identical synthesizes cone barrel around side seam, and each Intranet trapezoidal etting adjacent longitudinal edge 5 order closes around side seam; Outer net adopts 10 identical trapezoidal ettings of outer net to synthesize cone barrel around side seam, and longitudinal edge 5 order of each trapezoidal etting of outer net and the trapezoidal etting longitudinal edge of adjacent outer net close around side seam; Krill trawlnet segmented intranet and extranet can be obtained in the manner described above.
During stitching, first upper and lower volume seam connects, and the top edge of the outer lower limb of etting mesh sheet of upper a slice and the outer etting top edge of lower a slice mesh sheet and connection network bar is superimposed and sews up, and etting in correspondence is inserted in outer net; The following of interior etting does not need to be connected with outer etting, and under the impact of current, Intranet can be fitted with outer net naturally; When longitudinally closing around side seam, from body is anterior, first sew up the two panels etting of adjacent Intranet, sew up outer net mesh sheet again, simultaneously in outer interior length than the ratio of 1:1.05 fix intranet and extranet around limit, Intranet extension 5 can be made like this to grow same position outer net, and this is to make Intranet extend downwardly into the outer interior connection network bar place of lower a slice, escaping for preventing krill from connection network bar; The trapezoidal etting of Intranet of 10 combinations and 10 trapezoidal ettings 6 of combination outer net form the taper barrel body of segmented intranet and extranet after longitudinally sewing up, namely obtain krill trawlnet segmented intranet and extranet.
Claims (1)
1. the segmented intranet and extranet for krill trawlnet, employing nets by the PE of diameter 5mm the outer net that thread size of mesh is 150mm segmentation mesh sheet and the PA netting twine being 1.5mm by diameter makes the Intranet that size of mesh is 20mm, Intranet is enclosed within outer net, it is characterized in that the trapezoidal joining that outer net compiles seam connection by segmentation mesh sheet forms, every a slice ladder net clothing height order number is 280 orders, trapezoidal etting major part angry eyes number is 80 orders, microcephaly's angry eyes number is 24 orders, every a slice ladder net clothing is longitudinally divided into 7 sections, and the longitudinally height of outer net each segmentation mesh sheet is identical; The trapezoidal joining that Intranet compiles seam connection by segmentation mesh sheet forms, the longitudinally height of Intranet each segmentation mesh sheet is identical, the height order number of Intranet is 326 orders, the T-meshes of the top of Intranet segmentation mesh sheet is 561 orders, the taper ratio on both sides keeps identical with same position outer net, the quantity of Intranet segmentation mesh sheet is identical with the number of fragments of outer net ladder net ginning outturn section mesh sheet, and longitudinal height of Intranet is 1.1 times of corresponding outer net etting; The top edge of each segmentation mesh sheet of outer net superposes stitching connection network bar respectively, the size of mesh of the PE netting twine braiding of to be diameter be on connection network bar top 5mm is 150mm, height order number is the microscler net bar of 2 object, the T-meshes of microscler net bar is equal with outer net top edge order number, connect by the PE netting twine of diameter 3mm at microscler net bar lower limb, size of mesh is 75mm, height 2 object bottom connection network bars; Lower edge and the interior upper edge of net of bottom connection network bar are sewed up; During outer net dress net, adopt the trapezoidal etting of outer net that 10 identical, longitudinal edge 5 order and the trapezoidal etting longitudinal edge of adjacent outer net of the trapezoidal etting of every sheet outer net close around side seam; During Intranet dress net, adopt the trapezoidal etting of Intranet that 10 identical, longitudinal edge 5 order and the adjacent longitudinal edge of the trapezoidal etting of every sheet Intranet are sewed up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420871319.7U CN204409300U (en) | 2014-12-26 | 2014-12-26 | A kind of segmented intranet and extranet for krill trawlnet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420871319.7U CN204409300U (en) | 2014-12-26 | 2014-12-26 | A kind of segmented intranet and extranet for krill trawlnet |
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|---|---|
| CN204409300U true CN204409300U (en) | 2015-06-24 |
Family
ID=53459735
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|---|---|---|---|
| CN201420871319.7U Expired - Fee Related CN204409300U (en) | 2014-12-26 | 2014-12-26 | A kind of segmented intranet and extranet for krill trawlnet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106070099A (en) * | 2016-06-13 | 2016-11-09 | 中国水产科学研究院东海水产研究所 | A kind of Antarctic krill trawlnet liner net method of attachment |
| CN109964885A (en) * | 2019-04-30 | 2019-07-05 | 中国水产科学研究院东海水产研究所 | Modularization assemble trawlnet |
-
2014
- 2014-12-26 CN CN201420871319.7U patent/CN204409300U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106070099A (en) * | 2016-06-13 | 2016-11-09 | 中国水产科学研究院东海水产研究所 | A kind of Antarctic krill trawlnet liner net method of attachment |
| CN106070099B (en) * | 2016-06-13 | 2018-11-23 | 中国水产科学研究院东海水产研究所 | A kind of krill trawlnet liner net connection method |
| CN109964885A (en) * | 2019-04-30 | 2019-07-05 | 中国水产科学研究院东海水产研究所 | Modularization assemble trawlnet |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |