Stern supporting rod type saury stick-held net netting gear

A technology of saury and stern, applied in fishing, fishing nets, applications, etc., can solve the problems of small fishing area and low fishing volume, and achieve the effect of increasing fishing output, improving safety and stability, and increasing sea sweeping area

Inactive Publication Date: 2014-05-14
SHANGHAI OCEAN UNIV
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a stern brace type saury side netting gear, aiming

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  • Stern supporting rod type saury stick-held net netting gear

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Embodiment Construction

[0021] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0022] like figure 1 shown, figure 1 It is a schematic structural diagram of an embodiment of the stern strut type saury side netting device of the present invention.

[0023] A stern strut type saury side netting net, comprising first and second struts 1 symmetrically arranged at the stern of the boat, an upper section 2, a lower section 3, a net section 4, a fixed pulley 5, a netting and winch 7; one end of the first and second struts 1 away from the stern direction is provided with a fixed pulley 5; 22; the lower frame 3 includes a lower frame 31, a sinker 32 evenly arranged on the l...

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Abstract

The invention provides a stern supporting rod type saury stick-held net netting gear. The netting gear is arranged on a stern, a supporting rod fixing device is applied to the design of a saury stick-held net, the netting gear is designed to be approximate to an oval, according to the phototaxis of saury, fishing gathering lamp devices on the two sides of a ship are utilized for trapping the saury into groups, fishing gathering lamps are successively turned off to trap the group of the saury into the saury stick-held net, the net is collected to drive the school of the saury to the stern, a fish pump is utilized for pumping the school of the saury to a deck, and fishing aim is achieved. When the netting gear conducts fishing operation, balance of the ship can be ensured, safe stability can be improved, relative to the basis of the bearing amount of the same ship, the sweeping area of the netting gear can be lifted to the maximum extent, and the fishing yield of the saury is improved.

Description

technical field [0001] The invention belongs to the field of fishery devices, and in particular relates to a stern brace type saury side net lifting net. Background technique [0002] The stick-held net originated in Japan in the 1930s, and was popularized and applied quickly due to its simple operation and rapidity in fishing gear. At present, the countries and regions engaged in saury fishery production in the high seas of the Northwest Pacific Ocean mainly include South Korea, Taiwan Province of my country and mainland China. Although larger fishing boats are used, the net length is generally not more than 60m, and the net sweeping area is small, which limits the number of fish entering the net. At the same time, due to the relatively small saury clusters and resource density in the high seas, the existing nets designed on the basis of the original offshore saury nets have low output per net during the production of saury in the high seas. . SUMMARY OF THE INVENTION ...

Claims

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Application Information

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IPC IPC(8): A01K73/02A01K75/00
Inventor 朱清澄张衍栋花传祥许巍王晓栋周吉
Owner SHANGHAI OCEAN UNIV
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