CN203788931U - Novel fishing net - Google Patents
Novel fishing net Download PDFInfo
- Publication number
- CN203788931U CN203788931U CN201420175366.8U CN201420175366U CN203788931U CN 203788931 U CN203788931 U CN 203788931U CN 201420175366 U CN201420175366 U CN 201420175366U CN 203788931 U CN203788931 U CN 203788931U
- Authority
- CN
- China
- Prior art keywords
- fishing net
- novel fishing
- disturbing
- water flow
- infraclass
- 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
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000013019 agitation Methods 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 5
- 206010001497 Agitation Diseases 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 29
- 238000007790 scraping Methods 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000013049 sediment Substances 0.000 abstract 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 241000143060 Americamysis bahia Species 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 241000238557 Decapoda Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Mechanical Means For Catching Fish (AREA)
Abstract
The utility model discloses a novel fishing net. The key points of the technical scheme are that the novel fishing net comprises a net body and a foot line connected at a net opening of the net body; the foot line is provided with a water flow disturbing device which achieves the purpose of disturbing demersalfisheryorganisms by agitating sediment by water flow. The foot line is provided with the water flow disturbing device, and high-pressure water flow is generated to agitate the sediment by the water flow disturbing device so as to achieve the purpose of disturbing the demersalfisheryorganisms on a bottom layer; the novel fishing net is significantly different from the conventional disturbing way of scraping the sediment by the foot line; by adopting a water flow disturbing method, the damage to the organisms is low, young and small organisms are prevented from being damaged, the sustainable development is guaranteed, and the novel fishing net is biological environment-friendly and prevents the sediment from being damaged; compared with pure foot line disturbing, the disturbing effect is greatly improved, so that the fishing amount is improved; therefore, the economic benefit is improved. The novel fishing net is applicable to the fishing of the demersalfisheryorganisms, is in accordance with the concept of sustainable development and is favorable to the environment, can greatly improve the economic benefits and has a good market prospect.
Description
Technical field
The utility model relates to fishery field, and more particularly, it relates to a kind of Novel fishing net.
Background technology
Trawlnet is the motion that utilizes boats and ships, and towing fishing gear advances in seabed or seawater, forces fishing gear to fish for object through the fish shrimp crab in waters etc. and enters net capsule, reaches the object of fishing for, and Novel fishing net is wherein a kind of.
Novel fishing host to fish for to as if the end of the bottom fisheries biology of dwelling, because its object of fishing for mostly is the kind that economic worth is higher (as shrimps), therefore Novel fishing net is one of the most popular fishing gear of using of current marine fishing, and its fishery output accounts for nearly 50% left and right of total fishery output.
But there is following shortcoming in existing Novel fishing net: 1) infraclass be absorbed in bed mud or at the bottom of hard scraping destroy bottom environment; 2) infraclass easy damaged shrimps health; 3) fishing boat towrope resistance is large, increases diesel consumption.Novel fishing net in sum, to environment and biological unfriendly, economic benefit is low.
Utility model content
The deficiency existing for prior art, it is a kind of to environment and biological close friend and the high Novel fishing net of economic benefit that the purpose of this utility model is to provide.
For achieving the above object, the utility model provides following technical scheme:
A kind of Novel fishing net, comprises etting and is connected in the infraclass at the network interface place of etting, and described infraclass is provided with for stirs substrate by current and alarms device to reach the dwell current of fisheries biology object of the agitation end.
By adopting technique scheme; in infraclass, current agitation device is set; produce High-Pressure Water by it; substrate is stirred; the dwell object of fisheries biology of the end that reaches agitation bottom; greatly be different from traditional infraclass scraping agitation, by the method for current disturbance, low to biological injury; protect immature biology to preserve from; ensure sustainable development, to biotic habitat close friend, and protect substrate not to be damaged; and compare simple infraclass agitation; agitation effect improves greatly, thereby improves amount of fishing, and then increases economic efficiency.
The utility model is further set to: described current agitation device comprises outlet component and for driving the driven unit of outlet component output current.
By adopting technique scheme, driven unit is responsible for outlet component hydraulic pressure is provided, and drives outlet component work output High-Pressure Water, and co-ordination, realizes by current and stir substrate, the dwell object of fisheries biology of the agitation end.
The utility model is further set to: described outlet component comprises body, and described body is connected with infraclass, is provided with the connected chamber being communicated with the output of driven unit in described body, and with the apopore of connected chamber conducting.
By adopting technique scheme, the output output hydraulic pressure of driven unit, inputs in connected chamber, then sprays by apopore, and substrate is carried out to disturbance, and structure arranges simple and convenient, and disturbance is targeted, alarms effective.
The utility model is further set to: the sidewall of described body arranges multiple apopores vertically.
By adopting technique scheme, at the sidewall of body, multiple apopores are set, regioselectivity is wide, easy to process, can produce multiply High-Pressure Water, and substrate is stirred, and alarms effective.
The utility model is further set to: described apopore is all obliquely installed towards front lower place.
By adopting technique scheme, the current of multiply high pressure, from each apopore ejection, because apopore is all obliquely installed towards front lower place, before infraclass and etting skim over, the biology of front substrate is alarmed, its probability larger after jumping out from sandstone is directly entered in etting, and be hunted down, alarm effective, improve amount of fishing remarkable.
The utility model is further set to: described body is provided with roller.
By adopting technique scheme, roller can be converted into roller friction by the sliding friction dragging in process, greatly reduces towrope resistance, reduces the diesel consumption of fishing boat, also prevent simultaneously the process middle tube body of pulling be absorbed in bed mud or at the bottom of hard scraping destroy bottom environment, to biotic habitat close friend.
The utility model is further set to: described body is provided with multiple rollers vertically.
By adopting technique scheme, the gravity that multiple rollers effectively disperse body to be subject to, reduces the part scraping to substrate, stressed even, makes to pull also more smooth simultaneously.
The utility model is further set to: described driven unit comprises water pump, and described water delivery side of pump is connected with connected chamber.
By adopting technique scheme, water pump is the most frequently used liquid supercharging equipment, and cost is low, arranges easyly, and its output output High-Pressure Water injects in connected chamber, from apopore ejection multiply High-Pressure Water, alarms effective, economical and practical.
The utility model is further set to: described water pump is arranged on the end of body.
By adopting technique scheme, the setting of water pump takies certain volume, arranges in body end, at utmost reserve the space of body top network interface, increase amount of fishing, the injury of simultaneously avoiding water pump may exist the biology entering from network interface after alarming, to biotic habitat close friend.
The utility model is further set to: the two ends of described body are equipped with water pump.
By adopting technique scheme, water pump is all set at two ends, balance body, and be the reliable highly pressurised liquid of input constantly of connected chamber, make its work more stable.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model Novel fishing net embodiment;
Fig. 2 is the outlet component structural representation of the utility model Novel fishing net embodiment;
Fig. 3 is the infraclass structural representation of the utility model Novel fishing net embodiment.
Description of reference numerals: 1, etting; 11, network interface; 12, exaggerated; 13, infraclass; 2, current agitation device; 21, outlet component; 211, body; 2111, apopore; 22, driven unit; 221, water pump; 3, roller; 4, float; 5, partition.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model Novel fishing net embodiment is described further.
A kind of Novel fishing net, comprises etting 1 and is connected in the infraclass 12 at network interface 11 places of etting 1, and described infraclass 12 is provided with for stirs substrate by current and alarms device 2 to reach the dwell current of fisheries biology object of the agitation end.
By adopting technique scheme; in infraclass 12, current agitation device 2 is set; produce High-Pressure Water by it; substrate is stirred; the dwell object of fisheries biology of the end that reaches agitation bottom; greatly be different from traditional infraclass scraping agitation, by the method for current disturbance, low to biological injury; protect immature biology to preserve from; ensure sustainable development, to biotic habitat close friend, and protect substrate not to be damaged; and comparing simple infraclass 12 alarms; agitation effect improves greatly, thereby improves amount of fishing, and then increases economic efficiency.
Described current agitation device 2 comprises outlet component 21 and for driving outlet component 21 to export the driven unit 22 of current.
By adopting technique scheme, driven unit 22 is responsible for outlet component 21 hydraulic pressure is provided, and drives outlet component 21 work output High-Pressure Waters, and co-ordination, realizes by current and stir substrate, the dwell object of fisheries biology of the agitation end.
Described outlet component 21 comprises body 211, and described body 211 is connected with infraclass 12, in described body 211, is provided with the connected chamber being communicated with the output of driven unit 22, and with the apopore 2111 of connected chamber conducting.
It should be noted that herein, the variation of outlet component 21 is various, its central idea is to make the design that cost performance is the highest under the condition that minimizes cost and the damage to substrate, biology, certainly the utility model is not limited only to the outlet component 21 of this structure, be set to connected chamber and the apopore 2111 of threeway, four-way or more connected chambers and three dimensions staggered designs, also can reach agitation effect (as snakelike, spirally coiled or other how much or irregular shape all can).
By adopting technique scheme, the output output hydraulic pressure of driven unit 22, inputs in connected chamber, then sprays by apopore 2111, and substrate is carried out to disturbance, and structure arranges simple and convenient, and disturbance is targeted, alarms effective.
The sidewall of described body 211 arranges multiple apopores 2111 vertically.
By adopting technique scheme, at the sidewall of body 211, multiple apopores 2111 are set, regioselectivity is wide, easy to process, can produce multiply High-Pressure Water, and substrate is stirred, and alarms effective.
Described apopore 2111 is all obliquely installed towards front lower place.
By adopting technique scheme, the current of multiply high pressure, spray from each apopore 2111, because apopore 2111 is all obliquely installed towards front lower place, before infraclass 12 and etting 1 skim over, the biology of front substrate is alarmed, its probability larger after jumping out from sandstone is directly entered in etting 1, and be hunted down, alarm effective, improve amount of fishing remarkable.
Described body 211 is provided with roller 3.
By adopting technique scheme, roller 3 can be converted into roller 3 and rubs dragging sliding friction in process, greatly reduce towrope resistance, reduce the diesel consumption of fishing boat, also prevent simultaneously pull that process middle tube body 211 is absorbed in bed mud or at the bottom of hard scraping destroy bottom environment, to biotic habitat close friend.
Described body 211 is provided with multiple rollers 3 vertically.
By employing technique scheme, the gravity that multiple rollers 3 effectively disperse body 211 to be subject to, reduces the part scraping to substrate, stressed even, makes to pull also more smooth simultaneously.
Described driven unit 22 comprises water pump 221, and the output of described water pump 221 is connected with connected chamber.
It should be noted that herein, driven unit 22 is not limited only to be set to water pump 221, other structure and equipment that can increase hydraulic pressure output also can replace, such as being set to conflux and the structure of water conservancy diversion (infundibulate that side direction is placed, and by its delivery outlet connected chamber), the pressure current in seabed is guided to body 211 inside, and then spray High-Pressure Water from apopore 2111, reach the effect of agitation, but this is equivalent to the energy consumption that pulls boats and ships to be converted into hydraulic energy, will increases oil consumption.
By adopting technique scheme, water pump 221 is the most frequently used liquid supercharging equipments, and cost is low, arranges easyly, and its output output High-Pressure Water injects in connected chamber, sprays multiply High-Pressure Water from apopore 2111, alarms effective, economical and practical.
Described water pump 221 is arranged on the end of body 211.
By adopting technique scheme, the setting of water pump 221 takies certain volume, arrange in body 211 ends, at utmost reserve the space of body 211 top network interfaces 11, increase amount of fishing, the injury that the biology entering from network interface 11 after simultaneously avoiding water pump 221 to agitation may exist, to biotic habitat close friend.
The two ends of described body 211 are equipped with water pump 221.
By adopting technique scheme, water pump 221 is all set at two ends, balance body 211, and be the reliable highly pressurised liquid of input constantly of connected chamber, make its work more stable.
Concrete, with the etting 1 of traditional Novel fishing net and to be connected to the accessory structure at network interface 11 places of etting 1 substantially similar, accessory comprises exaggerated 12 and infraclass 12, body 211 is arranged on the front of infraclass 12, the two ends of its two ends and infraclass 12 are fixed, body 211 can be made the steel pipe that diameter is 35mm by steel, the cylindrical roller 3 of the polyethylene material that a diameter is 100mm is installed every 400mm on steel pipe, the both sides of roller 3 grip with partition 5, limit its position, apopore 2111 is set to the circular hole that diameter is 5mm, and be arranged in the middle of two adjacent rollers 3, the oblique front lower place of perforate direction, eject High-Pressure Water for alarming the biology of dwelling in substrate at the end towards substrate, destructiveness to bottom soil is little, the water pump 221 that steel pipe two ends are being fixedly connected with, consider the size of the power of pulling, preferably be set to small pump 221, can be connected to the regulated power supply on boats and ships by seawater cables, or carry portable charged power supply and also can, simultaneously, in order further to reduce the destructiveness to bottom soil, to the dwell mechanical damage degree of fishery harvesting biology of the end, and towrope resistance, oil consumption, the cylindrical roller 3 of same structure is installed in infraclass 12, and float 4 is set on exaggerated 12, also can further address the above problem.
Claims (8)
1. a Novel fishing net, comprises etting and is connected in the infraclass at the network interface place of etting, it is characterized in that: described infraclass is provided with for stirring substrate by current to reach the dwell current agitations device of fisheries biology object of the agitation end.
2. Novel fishing net according to claim 1, is characterized in that: described current agitation device comprises outlet component and for driving the driven unit of outlet component output current.
3. Novel fishing net according to claim 2, is characterized in that: described outlet component comprises body, described body is connected with infraclass, is provided with the connected chamber being communicated with the output of driven unit in described body, and with the apopore of connected chamber conducting.
4. Novel fishing net according to claim 3, is characterized in that: the sidewall of described body arranges multiple apopores vertically.
5. Novel fishing net according to claim 4, is characterized in that: described apopore is all obliquely installed towards front lower place.
6. according to the Novel fishing net described in claim 3 or 4 or 5, it is characterized in that: described body is provided with roller.
7. Novel fishing net according to claim 6, is characterized in that: described body is provided with multiple rollers vertically.
8. Novel fishing net according to claim 7, is characterized in that: described driven unit comprises water pump, described water delivery side of pump is connected with connected chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420175366.8U CN203788931U (en) | 2014-04-10 | 2014-04-10 | Novel fishing net |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420175366.8U CN203788931U (en) | 2014-04-10 | 2014-04-10 | Novel fishing net |
Publications (1)
Publication Number | Publication Date |
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CN203788931U true CN203788931U (en) | 2014-08-27 |
Family
ID=51371230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420175366.8U Expired - Fee Related CN203788931U (en) | 2014-04-10 | 2014-04-10 | Novel fishing net |
Country Status (1)
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CN (1) | CN203788931U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106472382A (en) * | 2016-11-30 | 2017-03-08 | 浙江海洋大学 | A kind of aquaculture net cage |
CN109463358A (en) * | 2018-11-27 | 2019-03-15 | 浙江海洋大学 | A kind of friendly otter-trawl |
CN111903626A (en) * | 2020-06-30 | 2020-11-10 | 中国水产科学研究院长江水产研究所 | Benthos sampling device and method |
CN111903625A (en) * | 2020-08-11 | 2020-11-10 | 中国水产科学研究院东海水产研究所 | Bottom line of bottom trawl |
-
2014
- 2014-04-10 CN CN201420175366.8U patent/CN203788931U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106472382A (en) * | 2016-11-30 | 2017-03-08 | 浙江海洋大学 | A kind of aquaculture net cage |
CN109463358A (en) * | 2018-11-27 | 2019-03-15 | 浙江海洋大学 | A kind of friendly otter-trawl |
CN111903626A (en) * | 2020-06-30 | 2020-11-10 | 中国水产科学研究院长江水产研究所 | Benthos sampling device and method |
CN111903626B (en) * | 2020-06-30 | 2022-03-08 | 中国水产科学研究院长江水产研究所 | Benthos sampling device and method |
CN111903625A (en) * | 2020-08-11 | 2020-11-10 | 中国水产科学研究院东海水产研究所 | Bottom line of bottom trawl |
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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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20160410 |