CN202456142U - Three-boat combined trawling system - Google Patents
Three-boat combined trawling system Download PDFInfo
- Publication number
- CN202456142U CN202456142U CN2012201113874U CN201220111387U CN202456142U CN 202456142 U CN202456142 U CN 202456142U CN 2012201113874 U CN2012201113874 U CN 2012201113874U CN 201220111387 U CN201220111387 U CN 201220111387U CN 202456142 U CN202456142 U CN 202456142U
- Authority
- CN
- China
- Prior art keywords
- trawling
- trawlnet
- boat
- keed
- ship
- 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
Abstract
The utility model discloses a three-boat combined trawling system, comprising two front towboats and a trawlnet. The tail part of the trawlnet is connected with a sack, and during working, the two front towboats pull the trawlnet to advance through ropes. The three-boat combined trawling system is characterized by also comprising a back boat, wherein a tank is arranged at the bottom of the boat body of the back boat; the sack is lengthened, the tail part of the sack is open, the open tail part of the sack is connected with an inlet at the front end of the tank, and the tank is provided with a released opening. By adoption of the three-boat combined trawling system, the live fish capturing rate during fishing-boat trawling operation can be greatly improved, and more important, the ocean ecological environment can be protected to the maximum limit.
Description
[technical field]
The utility model relates to the associating trawling system in marine fishing field.
[background technology]
In coastal ocean is fished for; Adopting at present maximum is the mode of fishing for of bull trawl operation, and two towboats that leave certain distance each other haul a trawlnet side by side and move ahead and carry out fishing operation, and the fishing efficient that this kind fished for mode is very high; Receive very much fisherman's welcome; But the mode of above-mentioned trawling has very large shortcoming: at first, by the live fish caught with trawlnet for a long time with dragging mortality in the process, the live fish rate is extremely low; And quite a few times of the dead often fish of the price of live fish, fisherman's income is influenced; More serious in addition is; Minor small fish, juvenile fish also can be catched and killed in a large number; Comprising prohibits fishing expects to put young female fish, thereby brings serious broken ring to the marine eco-environment, and the fishery resources in coastal waters are fewer and feweri in recent years; Even country puts into effect the annual trimestral closed fishing season, also can only slow down the quick depletion of fishery resources.
[summary of the invention]
To the problem that background technology exists, the purpose of the utility model aims to provide a kind of three ship associating trawling systems, and this operating system can make the live fish catch rate of fishing boat trawling improve greatly and can protect the marine eco-environment to greatest extent.
The utility model is implemented through following technical scheme: three ship associating trawling systems, include two preceding towboats and trawlnet, and the afterbody of trawlnet is connected with keed; Two preceding towboats haul trawlnet through cable and advance during work, it is characterized in that: this three ships associating trawling system also includes the back ship, and the hull bottom of back ship is provided with a pond groove; Said keed lengthening; The afterbody opening of keed, the opening afterbody of keed is connected the front end import of pond groove, and said pond groove is provided with frees mouth.
The utility model is in trawling; The fish of being caught by trawlnet can flow in the pond groove of back ship hull bottom downstream; Big fish is stayed in the groove of pond, and small fish, juvenile fish then get back to the sea through freeing mouth, as for waiting that putting young female fish can put back to the sea through manual work; The big fish of staying at last in the groove of pond is then carefully fished for, and avoids dead.Thus, the live fish catch rate of the utility model improves greatly, and can protect the marine eco-environment to greatest extent.
The rear end pool wall of said pond groove is surrounded by movable flashboard, and the said mouth of freeing is located on the movable flashboard.Movable flashboard can be changed, and the mouth of freeing of every movable flashboard varies in size, thereby satisfies the actual needs of fishing for.
[description of drawings]
The utility model has following accompanying drawing:
State diagram when Fig. 1 works for the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the partial enlarged drawing of ship part in back among Fig. 1.
[embodiment]
Through specific embodiment the utility model is done detailed introduction and explanation below in conjunction with accompanying drawing:
As shown in the figure, the three ship associating trawling systems of the utility model include ship 2 and trawlnet 5 behind two the preceding towboats 1, one; The afterbody of trawlnet 5 is connected with keed 6, and two preceding towboats 1 haul trawlnet 5 through cable 4 and advance during work, and the hull bottom of back ship 2 is provided with a pond groove 3; Said keed 6 lengthenings, the length of keed is adjusted according to the depth of water in marine site, trawling place, and is general when the inshore fishing of depth of water 70-80 rice; 100 meters of trawlnet length, 200 meters of cable length, 180 meters of keed length; The afterbody opening of keed 6, the opening afterbody of keed is connected the front end import of pond groove 3, and said pond groove 3 is provided with frees mouth 8; The rear end pool wall of said pond groove 3 is surrounded by movable flashboard 7, and the said mouth 8 of freeing is located on the movable flashboard 7.
The utility model is performed such trawling: two preceding towboats 1 haul trawlnet 5 through cable 4 and advance; Fish by trawlnet is caught can be flowed in the pond groove 3 through keed 6 entering back ship 2 hull bottom downstream; Big fish is stayed in the groove of pond, and small fish, juvenile fish then get back to the sea through freeing mouth, as for waiting that putting young female fish can put back to the sea through manual work; The big fish of staying at last in the groove of pond is then carefully fished for, and avoids dead; In addition, according to the actual situation of fishing for, change the size of freeing mouth through changing movable flashboard.
The live fish catch rate of the utility model improves greatly, and can protect the marine eco-environment to greatest extent, compared with prior art, the utlity model has substantive distinguishing features and progress.
Claims (2)
1. three ship associating trawling systems include two preceding towboats and trawlnet, and the afterbody of trawlnet is connected with keed; Two preceding towboats haul trawlnet through cable and advance during work, it is characterized in that: this three ships associating trawling system also includes the back ship, and the hull bottom of back ship is provided with a pond groove; Said keed lengthening; The afterbody opening of keed, the opening afterbody of keed is connected the front end import of pond groove, and said pond groove is provided with frees mouth.
2. three ship associating trawling systems as claimed in claim 1, it is characterized in that: the rear end pool wall of said pond groove is surrounded by movable flashboard, and the said mouth of freeing is located on the movable flashboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201113874U CN202456142U (en) | 2012-03-18 | 2012-03-18 | Three-boat combined trawling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201113874U CN202456142U (en) | 2012-03-18 | 2012-03-18 | Three-boat combined trawling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202456142U true CN202456142U (en) | 2012-10-03 |
Family
ID=46904356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201113874U Expired - Fee Related CN202456142U (en) | 2012-03-18 | 2012-03-18 | Three-boat combined trawling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202456142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102578056A (en) * | 2012-03-18 | 2012-07-18 | 李立波 | Three-boat-combined trawling operation system |
| CN103039407A (en) * | 2012-12-31 | 2013-04-17 | 河北省海洋与水产科学研究院 | One-boat beam haul-bag single-sac bottom trawl for investigating and sampling marine demersal creatures |
-
2012
- 2012-03-18 CN CN2012201113874U patent/CN202456142U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102578056A (en) * | 2012-03-18 | 2012-07-18 | 李立波 | Three-boat-combined trawling operation system |
| CN103039407A (en) * | 2012-12-31 | 2013-04-17 | 河北省海洋与水产科学研究院 | One-boat beam haul-bag single-sac bottom trawl for investigating and sampling marine demersal creatures |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Uye | Blooms of the giant jellyfish Nemopilema nomurai: a threat to the fisheries sustainability of the East Asian Marginal Seas | |
| CN103461231B (en) | A kind of reinforced wind wave resistance oyster culture method | |
| CN103190382A (en) | Technology of absorbing fish by cod end for large distant-water trawler | |
| CN204335564U (en) | A kind of bait delivery device | |
| CN201192038Y (en) | Efficient tuna long liner fishing device | |
| CN109997803A (en) | A kind of continuous live fish dredger of shovel net bubble | |
| CN105075950B (en) | A kind of fish fry artificial fecundation releases method | |
| CN202456142U (en) | Three-boat combined trawling system | |
| CN104067962A (en) | Comprehensive proliferation method of belzungia in tropical and subtropical marine ranchings | |
| CN201690909U (en) | Large net | |
| CN102524200A (en) | Nested plankton collection net | |
| CN108464282B (en) | Jellyfish trawl net for protecting fishery resources | |
| CN102578056A (en) | Three-boat-combined trawling operation system | |
| CN106614427A (en) | Beam trawl capable of achieving shrimp and spiral-shell separation | |
| CN205266673U (en) | Shrimp trawlnet net bag | |
| CN204180738U (en) | Coastal waters double boat surface layer has wing list capsule large jellyfish trawlnet | |
| CN104335983A (en) | Special fishing net for marine fishing | |
| CN204317312U (en) | A kind of fish-catching apparatus for waters of flowing | |
| CN102599120A (en) | Method for trawling live young fishes | |
| Sigurdsson et al. | Light traps as a tool to sample pelagic larvae of American lobster (Homarus americanus) | |
| CN202232608U (en) | Pool fishing tool for freshwater shrimp seeds | |
| CN204232128U (en) | The special fishing net of marine fishing | |
| CN205357825U (en) | High -efficient big -eye tunas longline fishing fishing tackle | |
| CN205233205U (en) | Eel seedling trapping apparatus | |
| CN203872822U (en) | Floating type fishing reef allowing feedstuff feeding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20121003 Termination date: 20150318 |
|
| EXPY | Termination of patent right or utility model |