CN201830776U - Fishing stow net sack - Google Patents
Fishing stow net sack Download PDFInfo
- Publication number
- CN201830776U CN201830776U CN2010205177467U CN201020517746U CN201830776U CN 201830776 U CN201830776 U CN 201830776U CN 2010205177467 U CN2010205177467 U CN 2010205177467U CN 201020517746 U CN201020517746 U CN 201020517746U CN 201830776 U CN201830776 U CN 201830776U
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- China
- Prior art keywords
- net
- fishing
- capsule
- net capsule
- mesh
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- 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
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Abstract
The utility model discloses a fishing stow net sack. A sack bottom halting back is assembled at the tail of the fishing stow net sack; the front end of the fishing stow net sack is used for being connected with the tail end of a stow net body; the net sack includes a front section, a middle section and a rear section from front to back; the front section and the rear section of the net sack are in diamond mesh structures; and the middle section of the net sack is formed by combining and connecting a diamond mesh piece and a square mesh piece which are the same in net area. The fishing stow net sack adopts the composite structure consisting of a square mesh and a diamond mesh and the design of increasing the sizes of the meshes, so that the meshes can be constantly kept open to the maximum extent when in operation so as to be suitable for operation of fishing grounds with various fish species in mixed habitation, adolescent fishes in different shapes can be released, the release rate of the adolescent fishes and fishing selectivity are improved, catching big fishes while reserving small fishes are realized, and the fishing stow net sack benefits protecting and reasonably using of fishery resources.
Description
Technical field
The utility model relates to a kind of fishing gear, relates in particular to a kind of fishing net capsule of throwing the net.
Background technology
Northern simple sea, the South Sea is the breeding field and the spawning ground of diversified economy fish and shrimp, and biological species is many, fishery resources are abundant, is the important producing region of Nanhai District fishery always.Since the eighties in 20th century, simple extra large fishery resources present the trend that fails significantly, the fishery harvesting miniaturization, become younger, devalued serious.Excessive amount of fishing is considered to cause the one of the main reasons of inshore fishing resource decline.Throwing the net is northern coastal traditional fishing gear in the South Sea and main stationary catching device, also is one of main fishing gear that influences fishery resources.The net capsule is one of the most important component of throwing the net, and selects performance that decisive influence is arranged to fishing for.For a long time, the net capsule of throwing the net is to be made by diamond mesh net sheet entirely, and netting twine is thick; size of mesh is little, and longitudinally stressed back mesh is tending towards closing up, and the fishery harvesting selectivity is very poor; cause to the infringement of juvenile fish juvenile prawn resource seriously greatly having influenced fishery resources sustainable utilization and marine organisms Protection of Diversity.Along with people to the improving constantly of resource and environmental protection consciousness, responsible notion of fishing for has been proposed in the world, the strong development selectivity Fishing Gear and Fishing Method of appealing.Therefore, reform net capsule structure, the selection performance that improves its fishing just seem very urgent and necessary, and it will more help protection and rationally utilize fishery resources, to promoting the marine fishing fisheries sustainable development and keeping coastal waters ecosystem balance significant.
The utility model content
The purpose of this utility model is to provide a kind of can improve the fishery harvesting quality, can protect the juvenile fish juvenile prawn again and rationally utilize the fishing of the fishery resources net capsule of throwing the net.
The purpose of this utility model is achieved by the following technical programs: a kind of fishing net capsule of throwing the net, its end is equipped with drawline, front end is used to connect the end of body of throwing the net, described net capsule is divided into net capsule leading portion, net capsule stage casing and net capsule back segment from front to back, described net capsule leading portion and net capsule back segment are the diamond mesh structure, and described net capsule stage casing is linked to be by diamond mesh net sheet and the combination of square mesh net sheet.Fishing of the present utility model is thrown the net in the net capsule, the square mesh of identical etting area and the composite construction that diamond mesh is formed are adopted in its stage casing, square mesh and water chestnut purpose mesh architectural characteristic have been made full use of, make in the operation process of throwing the net, longitudinally stressed back mesh always keeps maximum to open, and improves the fishing selectivity.Simultaneously, combine, be suitable for coastal many fingerlings and mix the characteristics of dwelling, adopt square mesh can discharge the round body type juvenile fish, adopt diamond mesh can discharge flat build juvenile fish with the diamond mesh structure of net capsule leading portion and back segment.
Net capsule described in the utility model, the length of its leading portion, stage casing and back segment is because of the different differences to some extent of function, and three's length ratio is 1: 7: 2.Influence fishery harvesting and select the position of performance mainly to concentrate on net capsule stage casing, its length maximum, thus increase the juvenile fish escapement ratio, improve survival rate.
The size of mesh of net capsule leading portion described in the utility model, net capsule stage casing and net capsule back segment all is not less than 35mm.By net capsule selectivity comparative trial, and it is long according to coastal legal hualage standard and 50% selective body of mainly fishing for object, determine that size of mesh of the present utility model is 35mm, contrast the classic diamond shape mesh net capsule of identical size of mesh, can obviously improve the release rate of juvenile fish.
Between net capsule leading portion described in the utility model and the net capsule stage casing, respectively assemble one between net capsule stage casing and the net capsule back segment and laterally strengthen guiding principle, described whole net capsule longitudinally respectively assembles a vertical manrope in the suture of square mesh and diamond mesh.Not only increase net capsule intensity, also improve the situation of opening of mesh, make more juvenile fish escape from open mesh, reach the purpose of protection juvenile fish resource.
The utlity model has following beneficial effect:
(1) fishes for the body size difference and the characteristics of object according to the difference of throwing the net, the compound net capsule structure that adopts square mesh and diamond mesh to combine, made full use of the characteristic of two kinds of structure meshes, keep the maximum open while of mesh in total energy, can discharge the juvenile fish of different builds, improve release rate and the fishing selectivity of juvenile fish, realize catching stay greatly little.
(2) adopt the design that increases size of mesh, promptly double than the net keed order size that present fish production is generally used, the escapement ratio that can obviously improve juvenile fish is long with 50% selective body that the master catches object, reaches the purpose of protection coastal economy juvenile fish resource.
(3) Zhuan Pei manrope not only can increase net capsule intensity, can also improve mesh and open situation, further improves the release rate of juvenile fish, and then improves the fishery harvesting quality, increases productivity effect and profit.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is done further and described in detail;
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Figure 1 shows that the throw the net embodiment of net capsule of a kind of fishing of the present utility model, the net capsule is a cylindrical shape, and the length ratio that is divided into 3, three sections of net capsule leading portion 1, net capsule stage casing 2 and net capsule back segments from front to back is 1: 7: 2.Net capsule leading portion 1 is identical with net capsule back segment 3 structures, is diamond mesh, and net capsule stage casing is by square mesh net sheet 3 of the same area and diamond mesh net sheet compound composition about in the of 4, and the size of mesh of whole net capsule all is not less than 35mm.The front end of net capsule leading portion 1 is connected with the end of the body of throwing the net.Whole net capsule longitudinally respectively assembles a vertical manrope 5 in the suture of square mesh and diamond mesh; Between net capsule leading portion 1 and the net capsule stage casing 2, respectively have one laterally to strengthen guiding principle 6 between net capsule stage casing 2 and the net capsule back segment 3, is pricked respectively to tie and is coupled together, form whole net capsule; Drawline 7 of the end of net capsule back segment assembling, tension drawline 7 is drawing close-network capsule end in during operation, and operation finishes and then unclamps drawline 7 and put catches to unload.
Embodiment of the present utility model is not limited thereto; according to foregoing of the present utility model; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite; being connected of the utility model net capsule stage casing can have other equivalent embodiment; therefore the utility model can also be made modification, replacement or the change of other various ways, all drops within the utility model rights protection scope.
Claims (6)
1. fishing net capsule of throwing the net, its end is equipped with drawline, front end is used to connect the end of body of throwing the net, it is characterized in that: described net capsule is divided into net capsule leading portion, net capsule stage casing and net capsule back segment from front to back, described net capsule leading portion and net capsule back segment are the diamond mesh structure, and described net capsule stage casing is linked to be by the diamond mesh net sheet and the combination of square mesh net sheet of identical etting area.
2. the fishing according to claim 1 net capsule of throwing the net, it is characterized in that: the length ratio of described net capsule leading portion, net capsule stage casing and net capsule back segment is 1: 7: 2.
3. the fishing according to claim 1 and 2 net capsule of throwing the net, it is characterized in that: the size of mesh of described net capsule leading portion, net capsule stage casing and net capsule back segment all is not less than 35mm.
4. the fishing according to claim 3 net capsule of throwing the net is characterized in that: between described net capsule leading portion and the net capsule stage casing, respectively assemble one between net capsule stage casing and the net capsule back segment and laterally strengthen guiding principle.
5. the fishing according to claim 4 net capsule of throwing the net, it is characterized in that: the diamond mesh net sheet in described net capsule stage casing has identical etting area with square mesh net sheet.
6. the fishing according to claim 5 net capsule of throwing the net, it is characterized in that: a vertical manrope is longitudinally respectively assembled in the stitching junction of described square mesh and diamond mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205177467U CN201830776U (en) | 2010-09-02 | 2010-09-02 | Fishing stow net sack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205177467U CN201830776U (en) | 2010-09-02 | 2010-09-02 | Fishing stow net sack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201830776U true CN201830776U (en) | 2011-05-18 |
Family
ID=44000872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205177467U Expired - Fee Related CN201830776U (en) | 2010-09-02 | 2010-09-02 | Fishing stow net sack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201830776U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104904681A (en) * | 2015-06-01 | 2015-09-16 | 中国水产科学研究院东海水产研究所 | Multi-window series connection combination type trachurus murphyi trawling selectivity device |
| CN104938440A (en) * | 2015-06-01 | 2015-09-30 | 中国水产科学研究院东海水产研究所 | Biserial type multi-window combined trachurus murphyi trawl selectivity test device |
| CN105325378A (en) * | 2015-11-10 | 2016-02-17 | 中国水产科学研究院东海水产研究所 | Covering net shape optimization method |
| CN107318720A (en) * | 2017-08-02 | 2017-11-07 | 中国水产科学研究院南海水产研究所热带水产研究开发中心 | A kind of clown fish hatches ovum collecting device |
| CN108401994A (en) * | 2018-04-17 | 2018-08-17 | 中国水产科学研究院南海水产研究所 | A kind of shrimp fishing net that can remove other marine organisms |
| CN115362995A (en) * | 2022-08-24 | 2022-11-22 | 中国水产科学研究院南海水产研究所 | Net-opening net bag capable of effectively reducing proportion of juvenile fish and juvenile shrimp |
-
2010
- 2010-09-02 CN CN2010205177467U patent/CN201830776U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104904681A (en) * | 2015-06-01 | 2015-09-16 | 中国水产科学研究院东海水产研究所 | Multi-window series connection combination type trachurus murphyi trawling selectivity device |
| CN104938440A (en) * | 2015-06-01 | 2015-09-30 | 中国水产科学研究院东海水产研究所 | Biserial type multi-window combined trachurus murphyi trawl selectivity test device |
| CN105325378A (en) * | 2015-11-10 | 2016-02-17 | 中国水产科学研究院东海水产研究所 | Covering net shape optimization method |
| CN107318720A (en) * | 2017-08-02 | 2017-11-07 | 中国水产科学研究院南海水产研究所热带水产研究开发中心 | A kind of clown fish hatches ovum collecting device |
| CN108401994A (en) * | 2018-04-17 | 2018-08-17 | 中国水产科学研究院南海水产研究所 | A kind of shrimp fishing net that can remove other marine organisms |
| CN115362995A (en) * | 2022-08-24 | 2022-11-22 | 中国水产科学研究院南海水产研究所 | Net-opening net bag capable of effectively reducing proportion of juvenile fish and juvenile shrimp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20110902 |