CN110367212A - A kind of the fishery harvesting net hauler and its hauling method in large size fishing ground - Google Patents
A kind of the fishery harvesting net hauler and its hauling method in large size fishing ground Download PDFInfo
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- CN110367212A CN110367212A CN201910623742.2A CN201910623742A CN110367212A CN 110367212 A CN110367212 A CN 110367212A CN 201910623742 A CN201910623742 A CN 201910623742A CN 110367212 A CN110367212 A CN 110367212A
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- double wedge
- roller
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- etting
- shell
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000003306 harvesting Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims description 15
- 239000003673 groundwater Substances 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 238000001727 in vivo Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 241000251468 Actinopterygii Species 0.000 description 7
- 238000009395 breeding Methods 0.000 description 5
- 230000001488 breeding effect Effects 0.000 description 5
- 230000034994 death Effects 0.000 description 4
- 231100000517 death Toxicity 0.000 description 4
- 238000012258 culturing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
- A01K73/06—Hauling devices for the headlines
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Mechanical Means For Catching Fish (AREA)
Abstract
The invention discloses the fishery harvesting net haulers and its hauling method in a kind of large-scale fishing ground, the net hauler includes: a cylindrical housings, the side of the shell offers several strip grooves of parallelly distribute on, the enclosure interior is equipped with a roller, the both ends of the roller are respectively equipped with an input shaft and an end axis, it is provided on the side of the roller and the equal number of several hook groups of the strip groove, each double wedge group is included in the equally distributed multiple double wedges of the circumferencial direction of the roller side one, the centerline parallel of the relatively described shell eccentric setting, that is, roller of the roller in the shell center line and therebetween distance be eccentricity h, the double wedge of each double wedge group is periodically protruding along the strip groove during so that the roller is rotated；Net hauler further includes that the connecting bracket and one being fixedly connected on the housing provides the driving mechanism of power for the roller.Net hauler of the invention can be independently operated, that hauling position is easily-controllable, and hauling is high-efficient.
Description
Technical field
The present invention relates to the fishery harvesting net haulers and its hauling method in a kind of large-scale fishing ground.
Background technique
Sea fisheries, which cultivate common equipment, traditional net cage, deep water mesh cage, large-scale fishing ground etc..General deep water mesh cage is by net
Cabinet frame system, netting system, mooring system and the most of composition of auxiliary facility system four；Large-scale fishing ground is enclosed by truss structure
At the hull of breeding spaces, then etting is fixed on hull to the growing space for constituting fish, prevents fish escape and enemy
Invasion.The culturing area for cultivating fishing ground can be bigger than deep water mesh cage, such as Intelligent Fishery at South China Sea one, overall length 91.3
Rice, 27.6 meters wide, 7.5 meters of moldeed depth, 6.5 meters of designed draft, effective breeding water body volume is 11000m3, it is mainly by three
The breeding spaces composition that 24m × 24m × 6m truss structure surrounds, the nearly 4000m of water body volume of each breeding spaces3, long-range
In the water body volume of traditional deep water mesh cage.
In the cultivation fishery harvesting engineering in deep water mesh cage and large-scale fishing ground, hauling is unusual one of the key link.Deep water mesh cage
The net hauler used is generally made of vertical friction roller, worm and gear gear and power mechanism, etting during hauling
It is gradually pulled out from water body by vertical friction roller.This net hauler is suitable only for being mounted in ship, and volume and weight is larger,
Not easily shifted, this net hauler of culturing area movement at sea, there is certain danger, therefore this net hauler is not suitable for large-scale fishing
The hauling of field fishery harvesting.Furthermore using this net hauler, hauling speed is slow.According to statistics, within Chinese territory, during hauling, fish is caused
The main reason for disability or the ratio of death account for about the 2~3% of deep-water net cage culture amount, cause fish injures and deaths is that hauling speed is slow,
Intensive fish easily mutually abrades or hypoxia death.The water body volume of each breeding spaces in large-scale fishing ground is more compared with deep water mesh cage
Greatly, when hauling, the weight of etting is also bigger, and the required hauling time is longer, as careless manipulation is easier to cause fish disability or death.
Summary of the invention
The first purpose of this invention is to provide a kind of fishery harvesting net hauler in large-scale fishing ground.
Second object of the present invention is to provide a kind of fishery harvesting hauling method using above-mentioned net hauler.
The present invention realizes that technical solution used by first purpose is as follows:
A kind of fishery harvesting net hauler in large size fishing ground, characterized in that the net hauler includes:
One cylindrical housings, the side of the shell offer several strip grooves of parallelly distribute on, the enclosure interior peace
Equipped with a roller, the both ends of the roller are respectively equipped with an input shaft and an end axis, are provided on the side of the roller
With the equal number of several double wedge groups of the strip groove, each double wedge group is included in the circumferencial direction of the roller side one and uniformly divides
Multiple double wedges of cloth, the centerline parallel of the relatively described shell eccentric setting, that is, roller of the roller is in the shell
Heart line and therebetween distance are eccentricity h, and the double wedge of each double wedge group is periodical during so that the roller is rotated
It is protruding from the strip groove, i.e. following periodic cycle is made in the relative position of double wedge and the shell: the double wedge position
The length that, double wedge protruding along the strip groove in enclosure interior, the double wedge stretches out strip groove becomes larger, double wedge stretches out
The length of strip groove gradually becomes smaller；
One connecting bracket, the connecting bracket are fixedly connected on the housing；
One driving mechanism, the output end of the driving mechanism connect the input shaft of the roller.
Preferably, when the double wedge stretches out the strip groove, between two sides of the double wedge and the strip groove away from
Sealike colour from < etting, double wedge hook the enclosure interior that etting during etting will not be caught in net hauler, ensure hauling
Process is gone on smoothly.
Preferably, on the roller each external diameter of a circle of double wedge group be equal to the shell outer diameter, the double wedge
Length is equal to the eccentricity h, the center line of the center line of the roller and the shell altogether plane and horizontal plane between
At inclination alpha, the inclination alpha is equal to the cone angle of etting in fishing ground.Layout of the etting in space is typically designed to cone angle, in the present invention
The cone angle of etting refers to the angle of etting and vertical direction, generally 5 °~10 °.
Preferably, the shell is fixed on a pedestal, and there is the pedestal bottom plate to be erected in the bottom with parallel
Two side plates on plate, the shell and the roller are located between two side plates, the input shaft of the roller and end
Axis is rotatablely connected with two side plates by bearing respectively.
Preferably, the driving mechanism includes hydraulic motor and retarder, and the input terminal of the retarder connects the liquid
Pressure motor, the output end of the retarder connect the input shaft of the roller.
Preferably, three strip grooves are offered on the shell, the roller is equipped with three groups of double wedge groups, and every group convex
Tooth group is equipped at least three double wedges.
The present invention realizes that technical solution used by second mesh is as follows:
A kind of fishery harvesting hauling method using above-mentioned net hauler, characterized in that the following steps are included:
S1: it is connected by the truss structure in connecting bracket and fishing ground, it is suitable that at least two net haulers is fixed on fishing ground water flow
Flow the same level height of side；
S2: releasing being fixedly connected between etting and fishing ground truss structure, while starting the net hauler, the net hauler
Roller rotation process in, the double wedge on roller protrudes into the mesh of etting, and etting is lifted up；
S3: the shell by the etting upgraded along the net hauler is rearward straightened, be placed in the net hauler it is rear under
Fang Jinhang receives net.
Preferably, in the step S2, it is first released from being fixedly connected for fishing ground water flow fair current side etting.
Preferably, in the step S2, the process that the etting is lifted up includes following procedure:
For ease of description, the present invention by the double wedge opsition dependent sequence of each double wedge group be named as the first double wedge, the second double wedge,
Third double wedge, and so on.
(1) double wedge hook net, roller rotation process, the first double wedge are stretched out along strip groove, are protruded into the mesh of etting；
(2) double wedge hauling, after the first double wedge protrudes into the mesh of etting, with continuing to rotate for roller, etting is convex with first
Tooth is lifted up, and at the same time, next double wedge i.e. the second double wedge starts double wedge hook net；
(3) double wedge logout is continued to rotate with roller, and the length that the first double wedge stretches out strip groove is gradually reduced, until first
Double wedge and etting are detached from and then hide to the enclosure interior, and at the same time, the second double wedge starts double wedge hauling, then next double wedge
I.e. third double wedge starts double wedge hook net；
Each double wedge circulation executes double wedge hook net, double wedge hauling, the hauling for acting the completion etting of double wedge logout
Journey.
The invention has the following advantages that
1. net hauler of the invention can be detached from hull be independently operated, net hauler composed structure it is less, small in size, weight
Gently, position is moved conveniently, and hauling position is easily-controllable.
2. being hooked after the strip groove that roller and shell of the invention stretch out roller upper raised teeth on shell
The mesh of etting can promote etting, relative to the conventional friction pulley type net hauler being fixed on ship, simple structure.
3. net hauler of the invention is designed by the structure design of double wedge and the structure of shell, so that between double wedge and etting
Three double wedge hook net, double wedge hauling, double wedge logout action process are realized, hook net, hauling, exiting network process are smooth, and by convex
Tooth, roller, the dimension relationship design between shell, effectively promotion hauling speed.
4. the present invention can select net hauler quantity according to fishing ground flexible in size in fishery harvesting hauling, enough power outputs are provided
Square carries out quick hauling, and playing network process only needs operator to receive net at net hauler rear, and etting hauling speed can be according to fish in net
Number and water flow size be adjusted, rise net operation control simple and flexible, operator can be reduced, reduced net operation at
This.
Detailed description of the invention
The present invention is described in further details in the following with reference to the drawings and specific embodiments:
Fig. 1 is a kind of three-dimensional structure diagram of the fishery harvesting net hauler in large-scale fishing ground of the present invention；
Fig. 2 is a kind of front view of fishery harvesting net hauler in large-scale fishing ground of the present invention (after the disassembly of driving mechanism shield)；
Fig. 3 is a kind of left view of the fishery harvesting net hauler in large-scale fishing ground of the present invention；
Fig. 4 is the schematic view of the mounting position of roller inside housings in the present invention；
Fig. 5 is the top view of shell in the present invention；
Fig. 6 is the scheme of installation of net hauler and fishing ground truss structure in the present invention；
The schematic diagram of the layout drawing of net hauler and four-stage during hauling when Fig. 7 is hauling of the present invention；
Fig. 8 is the enlarged drawing in Fig. 7 at A；
Fig. 9 is the enlarged drawing in Fig. 7 at B；
Figure 10 is the enlarged drawing in Fig. 7 at C；
Figure 11 is the enlarged drawing in Fig. 7 at D.
Specific embodiment
As shown in Fig. 1 to 5, a kind of fishery harvesting net hauler in large-scale fishing ground of the invention, net hauler 1 includes:
One cylindrical housings 3, the side of shell 3 offer three strip grooves 4 of parallelly distribute on, are equipped with inside shell 3
One roller 5, the both ends of roller 5 are respectively equipped with an input shaft and an end axis, are provided with and strip groove 3 on the side of roller 5
Equal number of double wedge groups, each double wedge group are included in equally distributed six double wedges 6 of roller 5 side one circumferencial direction, and
As shown in figure 4, roller 5 is with respect to 3 eccentric setting of shell, i.e., the centerline parallel of roller 5 is in the center line and therebetween of shell 3
Distance is eccentricity h, and the double wedge of each double wedge group is periodically outside from the strip groove during so that roller 5 is rotated
It stretches out, i.e. following periodic cycle is made in the relative position of double wedge 6 and shell 3: double wedge 6 is located inside shell 3, double wedge 6 is along bar shaped
Slot 4 is protruding, double wedge 6 stretch out strip groove 4 length become larger, double wedge 6 stretches out the length of strip groove 4 and gradually becomes smaller；?
Each double wedge is respectively completed hook net, hauling, the movement of logout to etting in this periodic process.
Shell 3 is also fixedly connected with a connecting bracket 8, and connecting bracket 8 is used for net hauler 1 and the truss structure in fishing ground 13
Connection；
The input shaft of roller 5 is connected with a driving mechanism, specifically, as shown in Fig. 2, driving mechanism includes hydraulic motor
10, planetary reduction gear 11, the input terminal of retarder 11 connect hydraulic motor 10, and the output end 12 of retarder 11 connects roller 5
Input shaft, as shown in Figure 1, a driving mechanism shield 9 in driving mechanism outer cup, avoids driving mechanism from being exposed to the external world
In environment.
As a preferred embodiment, shell 3 is fixed on a pedestal 2, pedestal 2 have bottom plate and it is parallel be erected in described in
Two side plates on bottom plate, shell 3 and roller 5 are located between two side plates, the input shaft and end axis point of the roller
It is not rotatablely connected with two side plates by bearing.
The sectional dimension of double wedge 6 is gradually reduced along the direction far from the roller, to ensure that double wedge 6 can be suitable with etting 14
Li Tuoli completes double wedge logout, as shown in figure 4, double wedge 6 is that one end far from roller 5 is small and roller 5 connects in the present embodiment
The big dentation in one end.Two sides of double wedge 6 are plane, when double wedge 6 stretches out strip groove 4,4 two sides of double wedge and bar shaped
The sealike colour of the distance between slot 4 < etting, prevents etting to be caught in the enclosure interior of net hauler, as a preferred embodiment, is
Hauling efficiency is improved, each external diameter of a circle of double wedge group is equal to the outer diameter of shell 3 on roller 5, and the length of double wedge 6 is equal to described
The center line of eccentricity h, the center line of roller 5 and shell 3 altogether plane and horizontal plane between at inclination alpha, the inclination alpha etc.
In the cone angle of etting in fishing ground.
The lower section of pedestal 2 is also connected with a baffle 7, and baffle 7 is for preventing etting from stirred into inside shell 3 from below.
The net hauler of the present embodiment is particularly suitable for the fishing ground hauling based on truss structure.Using above-mentioned net hauler 1
Fishery harvesting hauling method includes the following steps:
S1: as shown in Figures 6 and 7, being connect by connecting bracket 8 with the truss structure 13 in fishing ground, and three net haulers 1 are fixed
Same level height in fishing ground water flow fair current side, the distance between three net haulers 1 are uniformly distributed, and three net haulers 1 divide
It is not that hydraulic motor 10 provides external impetus by the gasoline engine 15 with hydraulic pump；
S2: releasing being fixedly connected between etting 14 and 3 truss structure 1 of fishing ground, while starting net hauler 1, net hauler 1
In 5 rotation process of roller, the double wedge 6 on roller 5 is protruded into the mesh of etting 14, and etting is lifted up；
In the present embodiment, fishing ground is rectangle, is first released from the etting fixed rope of fishing ground water flow fair current side, then releases fishing
The etting fixed rope of field two sides, finally releases the etting fixed rope of fishing ground water flow adverse current side；
The process that etting is lifted up includes following movement:
(1) double wedge hook net, the first stage as shown in Figure 7 and Figure 8: roller rotation process, the first double wedge 61 is along strip groove 4
It stretches out, protrudes into the mesh of etting 14；
(2) double wedge hauling, second stage as shown in figures 7 and 9: after the first double wedge 61 protrudes into mesh, with roller
It continues to rotate, etting is lifted up with the first double wedge 61, and at the same time, i.e. the second double wedge 62 of next double wedge starts double wedge hook net；
(3) double wedge logout, the phase III as illustrated in fig. 7 and fig. 10: continuing to rotate with roller, and the first double wedge 61 stretches out item
The length of shape slot is gradually reduced, until the first double wedge 61 is detached from etting and then hides to shell 3, at the same time, second
Double wedge 62 starts double wedge hauling, then next double wedge, that is, third double wedge 63 starts double wedge hook net；
The rest may be inferred, when third double wedge hauling, the second double wedge logout, and the 4th double wedge hook net；
When the 4th double wedge hauling, third double wedge logout, the 5th double wedge hook net；
When the 5th double wedge hauling, the 4th double wedge logout, the 6th double wedge hook net；
Each double wedge circulation executes double wedge hook net, double wedge hauling, the hauling for acting the completion etting of double wedge logout
Journey.
S3: fourth stage as seen in figs. 7 and 11, the shell by the etting upgraded along net hauler are rearward straightened,
It is completed to receive net by operator in the back lower place for being placed in the net hauler.
The above embodiment of the present invention is not limiting the scope of the present invention, and embodiments of the present invention are not limited to
This, all this kind above content according to the present invention is not departing from this according to the ordinary technical knowledge and customary means of this field
Modification, replacement or change under the premise of inventing above-mentioned basic fundamental thought, to other diversified forms that above structure of the present invention is made
More, it should all fall within the scope and spirit of the invention.
Claims (9)
1. a kind of fishery harvesting net hauler in large size fishing ground, which is characterized in that the net hauler includes:
One cylindrical housings, the side of the shell offer several strip grooves of parallelly distribute on, and the enclosure interior is equipped with
One roller, the both ends of the roller are respectively equipped with an input shaft and an end axis, are provided on the side of the roller and institute
The equal number of several double wedge groups of strip groove are stated, it is equally distributed that each double wedge group is included in the circumferencial direction of the roller side one
Multiple double wedges, the centerline parallel of the relatively described shell eccentric setting, that is, roller of the roller is in the center line of the shell
And distance is eccentricity h therebetween, during so that the roller is rotated the double wedge of each double wedge group periodically from
The strip groove is protruding, i.e. following periodic cycle is made in the relative position of double wedge and the shell: the double wedge is located at shell
The length that portion, the double wedge are protruding along the strip groove in vivo, double wedge stretches out strip groove becomes larger, double wedge stretches out bar shaped
The length of slot gradually becomes smaller；
One connecting bracket, the connecting bracket are fixedly connected on the housing；
One driving mechanism, the output end of the driving mechanism connect the input shaft of the roller.
2. the fishery harvesting net hauler in large-scale fishing ground according to claim 1, which is characterized in that the double wedge is stretched along the strip groove
When out, the sealike colour of the distance between two sides of the double wedge and the strip groove < etting.
3. the fishery harvesting net hauler in large-scale fishing ground according to claim 2, which is characterized in that on the roller outside each double wedge group
Connect the outer diameter that diameter of a circle is equal to the shell, the length of the double wedge is equal to the eccentricity h, the center line of the roller and
The center line of the shell altogether plane and horizontal plane between at inclination alpha, the inclination alpha is equal to the cone angle of etting in fishing ground.
4. the fishery harvesting net hauler in large-scale fishing ground according to claim 1, which is characterized in that the shell is fixed on a pedestal
On, the pedestal have bottom plate and parallel two be erected on the bottom plate side plate, the shell and the roller across
Between two side plates, the input shaft and end axis of the roller are rotated by bearing with two side plates connect respectively
It connects.
5. the fishery harvesting net hauler in large-scale fishing ground according to claim 1, which is characterized in that the driving mechanism includes hydraulic horse
It reaches and retarder, the input terminal of the retarder connects the hydraulic motor, the output end of the retarder connects the roller
Input shaft.
6. according to claim 1 to the fishery harvesting net hauler in large size fishing ground described in 5 any one, which is characterized in that on the shell
Three strip grooves are offered, the roller is equipped with three groups of double wedge groups, and every group of double wedge group is equipped at least three double wedges.
7. a kind of fishery harvesting hauling method using the net hauler as described in any one of claim 1 to 6, which is characterized in that packet
Include following steps:
S1: it is connected by the truss structure in connecting bracket and fishing ground, at least two net haulers is fixed on fishing ground water flow fair current one
The same level height of side；
S2: releasing being fixedly connected between etting and fishing ground truss structure, while starting the net hauler, the rolling of the net hauler
In cylinder rotation process, the double wedge on roller is protruded into the mesh of etting, and etting is lifted up；
S3: the shell by the etting upgraded along the net hauler is rearward straightened, be placed in the back lower place of the net hauler into
Row receives net.
8. fishery harvesting hauling method according to claim 7, which is characterized in that in the step S2, be first released from fishing ground water
Stream fair current side etting is fixedly connected.
9. fishery harvesting hauling method according to claim 7, which is characterized in that in the step S2, the etting mentions upwards
The process risen includes following procedure:
(1) double wedge hook net, roller rotation process, the first double wedge are stretched out along strip groove, are protruded into the mesh of etting；
(2) double wedge hauling, after the first double wedge protrudes into the mesh of etting, with continuing to rotate for roller, etting with the first double wedge to
Upper promotion, at the same time, next double wedge i.e. the second double wedge start double wedge hook net；
(3) double wedge logout is continued to rotate with roller, and the length that the first double wedge stretches out strip groove is gradually reduced, until the first double wedge
It is detached from and then is hidden to the enclosure interior with etting, at the same time, the second double wedge starts double wedge hauling, then next double wedge i.e. the
Three double wedges start double wedge hook net；
Each double wedge circulation, which executes double wedge hook net, the etting is completed in double wedge hauling, the movement of double wedge logout plays network process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623742.2A CN110367212B (en) | 2019-07-11 | 2019-07-11 | Fishing net hauler for large-scale fishing ground and hauling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623742.2A CN110367212B (en) | 2019-07-11 | 2019-07-11 | Fishing net hauler for large-scale fishing ground and hauling method thereof |
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| Publication Number | Publication Date |
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| CN110367212A true CN110367212A (en) | 2019-10-25 |
| CN110367212B CN110367212B (en) | 2021-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758654A (en) * | 2019-12-06 | 2020-02-07 | 浙江海洋大学 | Hauling machine for trawler |
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| CN110758654A (en) * | 2019-12-06 | 2020-02-07 | 浙江海洋大学 | Hauling machine for trawler |
| CN110758654B (en) * | 2019-12-06 | 2021-06-25 | 浙江海洋大学 | Hauling machine for trawler |
| US11352102B2 (en) | 2019-12-06 | 2022-06-07 | Zhejiang Ocean University | Net hauler for trawler |
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| CN110367212B (en) | 2021-10-08 |
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