CN101554143A - Method for hauling catches in deep sea net cages - Google Patents
Method for hauling catches in deep sea net cages Download PDFInfo
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- CN101554143A CN101554143A CNA2009100395560A CN200910039556A CN101554143A CN 101554143 A CN101554143 A CN 101554143A CN A2009100395560 A CNA2009100395560 A CN A2009100395560A CN 200910039556 A CN200910039556 A CN 200910039556A CN 101554143 A CN101554143 A CN 101554143A
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- etting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
A method for hauling catches in deep sea net cages comprises the steps as follows: (1) dissociating sinkers tied on nettings: according to the water direction, first dissociating one of the sinkers arranged below the nettings in a forward flow area and then dissociating other sinkers at the two sides of the sinker; (2) untying a main cage-tying rope: untying the main cage-tying rope tied on an internal round floating pipe of a main floating pipe of the net cage; (3) according to the water direction, first determining the positions of tightly pulling in the net for the first time and fishing operation; (4) untying a wire rope on a net cage railing pipe at the side opposite to the position of fishing operation and tightly pulling in the netting for the second time; wherein, the net cage railing pipe is on the net cage; (5) smoothening the externally turned and stacked nettings and externally turning and tightly pulling in the nettings at the position of fishing operation; (6) untying the wire rope on the net cage railing pipe at the intersecting point H formed by a Y axis and the outer edge of the top of the net cage railing pipe in a counterflow area after intersection and tightly pulling in the nettings. In the process of hauling operation, few personnel are needed, fishing costs short time and injury or mortality of the catches is effectively reduced.
Description
Technical field
The present invention relates to a kind of method of receiving the fish hauling, particularly relate to a kind of method of hauling catches in deep sea net cages.
Background technology
Culture with deep water mesh cage and form by net cage frame system, netting system, mooring system and auxiliary facility system four major parts.The development of China's deep water mesh cage with culture to use, be started in 1999, at the auxiliary facility that deep water mesh cage is cultured, still be in the development stage of single product prototype, still have bigger distance from the demand of deep water mesh cage aquaculture industry supporting technology.So, still fail today of large-area applications still to be operating as the master with manual hauling at supporting fishery harvesting facility.The whole nation mainly is because the fishery harvesting time is longer because of the operation of net cage fishery harvesting ultra-long time causes the wounded or disabled or dead 2-3% that accounts for deep water mesh cage case breed amount of fish, causes comparatively intensive fish easy scratch or hypoxia death mutually; The annual economic loss that causes because of the fishery harvesting misoperation is up to 3,000 ten thousand yuan.In addition, also there is following defective in existing receipts fish hauling method: need expend a large amount of manpowers, misoperation is run fish easily, thereby causes operating dangerous.
Summary of the invention
The object of the present invention is to provide a kind of method of hauling catches in deep sea net cages, be mainly used in high density polyethylene (HDPE) (HDPE) circular deep water net cage, in process of hauling operation, required personnel are few, the hauling position is easily controlled, the fishery harvesting time is short, effectively reduces fishery harvesting permanent disability or lethality, and the etting degree of packing up can be regulated according to what and the current size of fish in the net.
Purpose of the present invention can realize that by following technical measures a kind of method of hauling catches in deep sea net cages may further comprise the steps:
(1). etting direct bearing sinker dissociates: according to water (flow) direction one of them sinker that the etting below that is positioned at the following current district is provided with that at first dissociates, and then remove all the other sinkers of these sinker both sides, thereby make etting comparatively unfold easy operating under current.
Wherein, the outer wall of half etting and water (flow) direction over against, be countercurrent zone with the zone definitions at this part etting place; In like manner, the inwall of second half etting and water (flow) direction over against, then the zone definitions with this part etting place is the following current district; On the horizontal plane of the place, top of described net cage handrail tube, if the line of demarcation of described following current district and countercurrent zone is an X-axis, X-axis is a RADIAL by the outer rim center of circle, net cage handrail tube top, if by the outer rim center of circle, net cage handrail tube top and with perpendicular another RADIAL of described X-axis be Y-axis, Y-axis and net cage handrail tube top outer rim intersect, form two intersection point A, H, one of them intersection point A is positioned at described following current district, and another intersection point H is positioned at described countercurrent zone; In this step, the sinker under the intersection point A that is positioned at described following current district that at first dissociates is the center with this sinker then, and all the other sinkers that are positioned at its both sides are from the close-by examples to those far off removed on the branch both sides simultaneously successively.
(2). untie principal series case rope: untie the principal series case rope on the floating pipe of the interior circle that lies in the floating pipe of net cage master.
(3). determine to tighten up for the first time the position and the fishery harvesting operating position of net earlier according to water (flow) direction: intersect the intersection point A region that the back forms in the following current district in Y-axis described in the step (1) and net cage handrail tube top outer rim, untie the guiding principle rope of 2～3 root systems on the net cage handrail tube, following current is packed up etting and etting is turned over to the outside of net cage handrail tube then, is tension until etting.
With the fishery harvesting operating position, the position that is about to the fish buying boat stop is located at not adjacent with other net cage net cage outside, and at this moment, fish buying boat is close to net cage, fore, boat tail are fixed, and, make the hull of fish buying boat parallel with water (flow) direction.
(4). untie the guiding principle rope on the net cage handrail tube that is positioned on the net cage with the relative side of described fishery harvesting operating position, and tighten up etting for the second time.
(5). draw along the etting that turns up and pile up, and turn up at described fishery harvesting operating position and to tighten up etting: by fishery harvesting operating position side direction fishery harvesting operating position direction is drawn along the etting that turns up and pile up, then, tighten up etting upper limb guiding principle, etting upper limb guiding principle after tightening up is fixed on the net cage handrail tube, and turns up at the fishery harvesting operating position and to tighten up etting.
(6). untie and be positioned at described Y-axis and net cage handrail tube top outer rim and intersect the guiding principle rope of back on the net cage handrail tube at the intersection point H place that countercurrent zone forms, and tighten up etting.
In this step, untie the guiding principle rope after, tightening up the etting upper limb guiding principle described in the step (5) and being fixed in is on the net cage handrail tube, and the network interface of overlooking of etting is further dwindled, and turns up at the fishery harvesting operating position and tightens up etting and can carry out fishery harvesting operation.
In the step of the present invention (2), also remove the affiliated facility on the etting in the lump, the guiding principle rope that being used for of only keeping that the etting top is provided with links to each other with the net cage handrail tube.
In the step of the present invention (3), when described etting is turned over the outside to the net cage handrail tube, etting can be turned up to the floating pipe of net cage master.
In the step of the present invention (3), the guiding principle rope of being untied comprises that Y-axis described in the step (1) and net cage handrail tube top outer rim intersect the back at the guiding principle rope at the intersection point A place of following current district formation and the guiding principle rope that is adjacent.
In the step of the present invention (4), be the line of demarcation with the Y-axis described in the step (1), the net cage handrail tube is divided into two halves, and wherein the floating hand pipe of half net cage is adjacent with the fishery harvesting operating position, and second half net cage handrail tube is relative with the fishery harvesting operating position; Two halves net cage handrail tube is all crossed over described countercurrent zone and following current district, in this step, untie guiding principle rope on the described net cage handrail tube successively according to the order in following current district after the first countercurrent zone, be positioned at described Y-axis and intersect the steel cable of back at the intersection point H place of described countercurrent zone formation with net cage handrail tube top outer rim but keep.
In the step of the present invention (4), when untiing each the root guiding principle rope on the net cage handrail tube, all turn up simultaneously and tighten up etting, thereby prevent that etting from excessively piling up, the operation effort.
Compared with prior art, advantage of the present invention is:
(1). the fishery harvesting operative orientation is decided according to current, and is effectively by means of the active force of current, time saving and energy saving, can reduce sea faring blindness, guarantees the accurate of fishery harvesting orientation, and hauling is swift to operate, increases work efficiency.
(2). each step of operation is controlled, easy, and handling safety is guaranteed.
(3). the operation bearing calibration is simple, and also can significantly reduce the fishery harvesting time according to how many adjustment at any time of fish in the net in the process of fishery harvesting, improves the fishery harvesting survival rate, thereby creates huge economic benefit.
(4). action required personnel are few, and fishery harvesting efficient height greatly reduces running cost.
Description of drawings
Fig. 1 is the structural upright simplified schematic diagram of net cage main truss of the present invention and net cage;
Fig. 2 is the simplified schematic diagram of overlooking of step 1 of the present invention;
Fig. 3 is the simplified schematic diagram of overlooking of step 3 of the present invention;
Fig. 4 is arrange the simplified schematic diagram of overlooking with the fishery harvesting operating position of the net cage of the embodiment of the invention;
Fig. 5 is the simplified schematic diagram of overlooking of step 4 of the present invention;
Fig. 6 is the simplified schematic diagram of overlooking of step 5 of the present invention;
Fig. 7 is the simplified schematic diagram of overlooking of step 6 of the present invention.
Embodiment
The specific embodiment of the present invention such as Fig. 1～shown in Figure 7, the present invention is fit to be applied to the deep water mesh cage that the upper end is provided with circular main truss, and the concrete structure of circular main truss such as application number are the main truss of the disclosed a kind of valveless lift type deep water net cage of patent application of CN200810028994.2, at present, the domestic net cage that uses 80% is the net cage of said structure.
The method of a kind of hauling catches in deep sea net cages of the present invention may further comprise the steps:
(1). etting direct bearing sinker dissociates: according to water (flow) direction one of them sinker 4 that etting 3 belows that are positioned at the following current district are provided with that at first dissociates, and then remove all the other sinkers of these sinker 4 both sides, thereby make etting 3 comparatively unfold easy operating under current.
In this step, deep water mesh cage is that the upper surface is circular net cage, be positioned at the active force that etting 3 on the net cage circumgyration face can be subjected to current, wherein, the outer wall of half etting and water (flow) direction over against, and the operator operates in etting 3 peripheries, therefore, is countercurrent zone with the zone definitions at this part etting place; In like manner, the inwall of second half etting and water (flow) direction over against, then the zone definitions with this part etting place is the following current district.
On the horizontal plane of the place, top of net cage handrail tube 2, if the line of demarcation of following current district and countercurrent zone is an X-axis, X-axis is a RADIAL by net cage handrail tube 2 top outer rim center of circle O, if by net cage handrail tube 2 top outer rim center of circle O and with perpendicular another RADIAL of X-axis be Y-axis, Y-axis and net cage handrail tube 2 top outer rims intersect, form two intersection point A, H, one of them intersection point A is positioned at the following current district, and another intersection point H is positioned at countercurrent zone; In this step, at first dissociate sinker 4 under the intersection point A that is positioned at the following current district is the center with this sinker 4 then, divides the two edges direction of arrow shown in Figure 2 from the close-by examples to those far off to remove all the other sinkers that are positioned at its both sides simultaneously successively, in the present embodiment, etting 3 belows are that 12 equally distributed sinkers are arranged altogether.
(2). untie principal series case rope: principal series case rope is fixed on etting 3 on the floating pipe 1 of interior circle of the floating pipe of net cage master, in this step, unties the principal series case rope on the floating pipe 1 of the interior circle that lies in the floating pipe of net cage master.
In this step, also remove the affiliated facility on the etting in the lump, the guiding principle rope that being used for of only keeping that etting 3 tops are provided with links to each other with net cage handrail tube 2.
Affiliated facility on the etting comprises close net, directional signs etc.Close net generally is located at etting 3 top outer rims 1 meter extremely under water, and is close to etting 3, mainly is that the granule feed that prevents buoyancy flows out etting 3 with current.
(3). determine to tighten up for the first time the position and the fishery harvesting operating position of net earlier according to water (flow) direction: intersect the intersection point A region that the back forms in the following current district in Y-axis described in the step (1) and net cage handrail tube 2 top outer rims, untie the guiding principle rope of 2～3 root systems on net cage handrail tube 2, following current is packed up etting 3 and etting is turned over to the outside of net cage handrail tube 2 then, is tension until etting 3.
Be chosen in the following current district and carry out aforesaid operations, more laborsaving, draw in the net also than being easier to.The concrete quantity of untiing the guiding principle rope is according to net cage handrail tube 2 the raise to the higher plane of principle particular location of rope and water (flow) direction and fixed, and the etting when untiing operation below being convenient to behind the guiding principle rope turns up.When etting is turned over the outside to net cage handrail tube 2, etting 3 can be turned up to the floating pipe of net cage master, the etting that turns up is stacked between the floating pipe 1,6 of inside and outside circle according to gravity, is convenient to operating personnel and passes through in the above.Removing earlier the guiding principle rope can also avoid turning up and push down the guiding principle rope and bad untiing behind the etting 3.
In the present embodiment, totally 12 in guiding principle rope, be uniformly distributed on the circumference of net cage handrail tube 2, form 12 RADIALs between the location point on the floating pipe 2 of every guiding principle rope place net cage master and the center of circle O of net cage handrail tube 2 top outer rims, the angle between the adjacent radial line is 30 and spends.Wherein four guiding principle rope position points correspond respectively to that X-axis, Y-axis and net cage handrail tube 2 top outer rims in the step (1) intersect and four intersection points forming.In this step, untie 3 guiding principle ropes altogether, comprise the guiding principle rope of being untied Y-axis described in the step (1) and net cage handrail tube 2 top outer rims intersect the guiding principle rope of back at the intersection point A place of following current district formation, also comprise other two guiding principle ropes that are adjacent, other two guiding principle ropes lay respectively at the left and right sides of the guiding principle rope at above-mentioned intersection point A place, being two location point C, B and the floating RADIAL that forms between the center of circle O of 2 top outer rims of managing of net cage master on the floating pipe 2 of other two guiding principle rope place net cage masters, is 30 degree with the Y-axis angle all.
In this step, with fishery harvesting operating position 5, the position that is about to the fish buying boat stop is located at not adjacent with other net cage net cage outside, at this moment, fish buying boat is close to net cage, has been convenient to the fish operation, fore, boat tail are fixed, thereby guarantee that fish buying boat maintains static, and, make the hull of fish buying boat parallel with water (flow) direction.
During actual the use, net cage is generally 4 one group, is sphere of movements for the elephants shape and arranges, and wherein two sides of sphere of movements for the elephants are parallel with the water (flow) direction of placing the marine site.Link to each other by connection cord between the net cage, zone between the adjacent net cage is called the net cage inboard, this bad bringing in zone, and the net cage perimeter beyond the sphere of movements for the elephants shape zone is called the net cage outside, this zone can provide enough stop and operating spaces for fish buying boat, therefore, fishery harvesting operating position 5 is located at the net cage outside.In the present embodiment, fishery harvesting operating position 5 is located at as shown in Figure 4 net cage right side.
(4). untie the guiding principle rope on the net cage handrail tube 2 that is positioned on the net cage with fishery harvesting operating position 5 relative sides, and tighten up etting for the second time.
With the Y-axis described in the step (1) is the line of demarcation, net cage handrail tube 2 is divided into two halves, and wherein the floating hand pipe 21 of half net cage is adjacent with fishery harvesting operating position 5, promptly near fishery harvesting operating position 5, second half net cage handrail tube 22 is relative with fishery harvesting operating position 5, promptly away from fishery harvesting operating position 5; Two halves net cage handrail tube 21,22 is all crossed over countercurrent zone and following current district, in this step, untie guiding principle rope on the net cage handrail tube 22 successively according to the order in following current district after the first countercurrent zone, be positioned at Y-axis and intersect the steel cable of back at the intersection point H place of countercurrent zone formation with net cage handrail tube 2 top outer rims but keep.
In this step, untie 4 guiding principle ropes on the net cage handrail tube 2 altogether, 4 location point D, the E at these 4 steel cable places, F, G intersect the back in location point C and the Y-axis that Y-axis and net cage handrail tube 2 top outer rims intersect the intersection point A left side that the back forms in the following current district between the intersection point H of countercurrent zone formation with net cage handrail tube 2 top outer rims, and four location point D, E, F, G are evenly distributed on the net cage handrail tube 2 in the direction of the clock.At first untie the guiding principle rope at the location point G place that is positioned at countercurrent zone, untie the other three bar iron ropes at its excess-three location point F, E, D place then along water (flow) direction successively.
When untiing each the root guiding principle rope on the net cage handrail tube 2, all turn up simultaneously and tighten up etting, thereby prevent that etting from excessively piling up, the operation effort.In whole process, untie the every guiding principle rope that lies on the net cage handrail tube 2 after, etting upper limb guiding principle all will be tightened, and makes location point C that the etting that turns up finally is stacked in the following current district to the zone between the location point B.
(5). draw along the etting 3 that turns up and pile up, and turn up at fishery harvesting operating position 5 and to tighten up etting: by fishery harvesting operating position 5 to side direction fishery harvesting operating position 5 directions draw be stacked on along turning up the following current district etting, draw along the back etting and can form the fish gathering district, be convenient to fish in a side near fish buying boat.Then, tighten up etting upper limb guiding principle, make the etting upper limb guiding principle of fishery harvesting operating position 5 offsides tighten the straight line to location point C by intersection point H.Because the part of etting upper limb guiding principle is stacked on the floating pipe of net cage master, therefore, the etting after tightening up is overlooked network interface and is diminished.In this step, the etting upper limb guiding principle after also will tightening up is fixed on the location point C place of net cage handrail tube 2, operates more conveniently like this, and turns up at fishery harvesting operating position 5 and to tighten up etting.
(6). untie and be positioned at Y-axis and net cage handrail tube 2 top outer rims and intersect the guiding principle rope of back on the net cage handrail tube 2 at the intersection point H place that countercurrent zone forms, and tighten up etting 3.
In this step, untie the guiding principle rope after, tightening up the etting upper limb guiding principle described in the step (5) and being fixed in is on the net cage handrail tube 2, and the network interface of overlooking of etting 3 is further dwindled, and turns up at fishery harvesting operating position 5 and tightens up etting 3 and can carry out fishery harvesting operation.
Referring to Fig. 7, on tightened position point C and the net cage handrail tube 2 intersection point H right side and and intersection point H position adjacent point I between etting upper limb guiding principle can receive the fish operation on net cage the right.
If the fish amount is less in no current influence and the etting, above-mentioned steps (4)～(6) step can put in place in disposable operation.
In addition, this method of operating also comprises the calibration of tightening up to etting: along with fish in the net is packed up and reduces, for make things convenient for fish, need spreading out area to the tension degree of etting and network interface and carry out flexible modulation, until making things convenient for till fish harvests in netting.
In the above embodiments, can also untie a guiding principle rope again according to actual conditions, promptly untie and be positioned at the fixing etting upper limb guiding principle in location point C place on the net cage handrail tube or the guiding principle rope at location point I place, the network interface area is littler like this, and fish is more concentrated, better operates.But above-mentioned this way is not suitable for the many situations of fish, can cause the dead fish of anoxic.It is 40 meters deep water mesh cage that the present invention is particularly suitable for girth, and net cage is provided with 12～18 sinkers, and net cage handrail tube guiding principle rope is provided with 12～18, and for sinker or the handrail tube guiding principle rope situation more than 12, the method for operating of method of operating and present embodiment is similar.
Claims (6)
1. the method for a hauling catches in deep sea net cages is characterized in that may further comprise the steps:
(1). etting direct bearing sinker dissociates: according to water (flow) direction one of them sinker that the etting below that is positioned at the following current district is provided with that at first dissociates, and then remove all the other sinkers of these sinker both sides;
On the horizontal plane of the place, top of described net cage handrail tube, if the line of demarcation of described following current district and countercurrent zone is an X-axis, X-axis is a RADIAL by the outer rim center of circle, net cage handrail tube top, if by the outer rim center of circle, net cage handrail tube top and with perpendicular another RADIAL of described X-axis be Y-axis, Y-axis and net cage handrail tube top outer rim intersect, form two intersection points, one of them intersection point is positioned at described following current district, and another intersection point is positioned at described countercurrent zone; In this step, the sinker under the intersection point that is positioned at described following current district that at first dissociates is the center with this sinker then, and all the other sinkers that are positioned at its both sides are from the close-by examples to those far off removed on the branch both sides simultaneously successively;
(2). untie principal series case rope: untie the principal series case rope on the floating pipe of the interior circle that lies in the floating pipe of net cage master;
(3). determine to tighten up for the first time the position and the fishery harvesting operating position of net earlier according to water (flow) direction: intersect the intersection point region that the back forms in the following current district in Y-axis described in the step (1) and net cage handrail tube top outer rim, untie the guiding principle rope of 2～3 root systems on the net cage handrail tube, following current is packed up etting and etting is turned over to the outside of net cage handrail tube then, is tension until etting;
With the fishery harvesting operating position, the position that is about to the fish buying boat stop is located at not adjacent with other net cage net cage outside, and, make the hull of fish buying boat parallel with water (flow) direction;
(4). untie the guiding principle rope on the net cage handrail tube that is positioned on the net cage with the relative side of described fishery harvesting operating position, and tighten up etting for the second time;
(5). draw along the etting that turns up and pile up, and turn up at described fishery harvesting operating position and to tighten up etting: by fishery harvesting operating position side direction fishery harvesting operating position direction is drawn along the etting that turns up and pile up, then, tighten up etting upper limb guiding principle, etting upper limb guiding principle after tightening up is fixed on the net cage handrail tube, and turns up at the fishery harvesting operating position and to tighten up etting;
(6). untie and be positioned at described Y-axis and net cage handrail tube top outer rim and intersect the guiding principle rope of back on the net cage handrail tube at the intersection point place that countercurrent zone forms, and tighten up etting: after untiing the guiding principle rope, tightening up the etting upper limb guiding principle described in the step (5) and being fixed in is on the net cage handrail tube, turns up at the fishery harvesting operating position and tightens up etting and can carry out fishery harvesting operation.
2. the method for a kind of hauling catches in deep sea net cages according to claim 1 is characterized in that also removing the affiliated facility on the etting in the lump in the described step (2), the guiding principle rope that being used for of only keeping that the etting top is provided with links to each other with the net cage handrail tube.
3. the method for a kind of hauling catches in deep sea net cages according to claim 2 is characterized in that in the described step (3), when described etting is turned over the outside to the net cage handrail tube, etting can be turned up to the floating pipe of net cage master.
4. the method for a kind of hauling catches in deep sea net cages according to claim 3, in the step (3) that it is characterized in that stating, the guiding principle rope of being untied comprises that Y-axis described in the step (1) and net cage handrail tube top outer rim intersect the back at the guiding principle rope at the intersection point place of following current district formation and the guiding principle rope that is adjacent.
5. according to the method for claim 1 or 2 or 3 or 4 described a kind of hauling catches in deep sea net cages, it is characterized in that in the described step (4), with the Y-axis described in the step (1) is the line of demarcation, the net cage handrail tube is divided into two halves, wherein the floating hand pipe of half net cage is adjacent with the fishery harvesting operating position, and second half net cage handrail tube is relative with the fishery harvesting operating position; Two halves net cage handrail tube is all crossed over described countercurrent zone and following current district, in this step, untie guiding principle rope on the described net cage handrail tube successively according to the order in following current district after the first countercurrent zone, be positioned at described Y-axis and intersect the steel cable of back at the intersection point place of described countercurrent zone formation with net cage handrail tube top outer rim but keep.
6. the method for a kind of hauling catches in deep sea net cages according to claim 5 is characterized in that in the described step (4), when untiing each the root guiding principle rope on the net cage handrail tube, all turns up simultaneously and tightens up etting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100395560A CN101554143B (en) | 2009-05-18 | 2009-05-18 | Method for hauling catches in deep sea net cages |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100395560A CN101554143B (en) | 2009-05-18 | 2009-05-18 | Method for hauling catches in deep sea net cages |
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| CN101554143A true CN101554143A (en) | 2009-10-14 |
| CN101554143B CN101554143B (en) | 2011-05-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972317A (en) * | 2012-12-11 | 2013-03-20 | 浙江海洋学院 | Netting for fast collecting fish |
| CN104488835A (en) * | 2014-11-19 | 2015-04-08 | 中国水产科学研究院东海水产研究所 | Lifting-type fixed net used for measuring intertidal fish density, and application method thereof |
| CN107372260A (en) * | 2017-08-23 | 2017-11-24 | 浙江大学宁波理工学院 | A kind of anchor formula self energizing partly latent aquaculture net cage |
| CN110367212A (en) * | 2019-07-11 | 2019-10-25 | 中国水产科学研究院南海水产研究所 | A kind of the fishery harvesting net hauler and its hauling method in large size fishing ground |
| CN112293357A (en) * | 2020-10-29 | 2021-02-02 | 哈尔滨工程大学 | Net cage fishing device capable of freely lifting |
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2009
- 2009-05-18 CN CN2009100395560A patent/CN101554143B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972317A (en) * | 2012-12-11 | 2013-03-20 | 浙江海洋学院 | Netting for fast collecting fish |
| CN102972317B (en) * | 2012-12-11 | 2015-03-18 | 浙江海洋学院 | Netting for fast collecting fish |
| CN104488835A (en) * | 2014-11-19 | 2015-04-08 | 中国水产科学研究院东海水产研究所 | Lifting-type fixed net used for measuring intertidal fish density, and application method thereof |
| CN107372260A (en) * | 2017-08-23 | 2017-11-24 | 浙江大学宁波理工学院 | A kind of anchor formula self energizing partly latent aquaculture net cage |
| CN107372260B (en) * | 2017-08-23 | 2020-09-01 | 浙江大学宁波理工学院 | Anchor type self-energy-supply semi-submersible aquaculture net cage |
| CN110367212A (en) * | 2019-07-11 | 2019-10-25 | 中国水产科学研究院南海水产研究所 | A kind of the fishery harvesting net hauler and its hauling method in large size fishing ground |
| CN110367212B (en) * | 2019-07-11 | 2021-10-08 | 中国水产科学研究院南海水产研究所 | Fishing net hauler for large-scale fishing ground and hauling method thereof |
| CN112293357A (en) * | 2020-10-29 | 2021-02-02 | 哈尔滨工程大学 | Net cage fishing device capable of freely lifting |
| CN112293357B (en) * | 2020-10-29 | 2021-07-06 | 哈尔滨工程大学 | Net cage fishing device capable of freely lifting |
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| CN101554143B (en) | 2011-05-18 |
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