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Euphausia superba trawl net plate variable water layer adjusting mechanism and method

An Antarctic krill and adjustment mechanism technology, which is applied in the field of trawl mesh panels, can solve the problems of the inability to realize the dynamic adjustment of the connection position between the drag net and the drag net, and the inability to dynamically adjust the mesh panels.

Pending Publication Date: 2020-11-27
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI +1
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the structure of this open-hole type dragging plate in the prior art needs to determine the connection position between the dragging net and the dragging plate before the trawl net is put into the water body, which cannot be achieved during the fishing process. Realize the dynamic adjustment of the connection position between the drag net and the drag net pull plate, that is, it is impossible to dynamically adjust the attitude of the net plate during fishing to achieve the purpose of adjusting the depth of the trawl net water layer

Method used

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  • Euphausia superba trawl net plate variable water layer adjusting mechanism and method

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Embodiment Construction

[0017] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0018] Such as figure 1 An Antarctic krill trawl net plate variable water layer adjustment mechanism shown includes a net plate 1, a lifting adjustment mechanism, a drag net connecting block 2 and a controller.

[0019] The double-layer screen used in the screen 1 in this embodiment includes two layers of curved panels inside and outside, and of course screens with other structural forms can also be used. The lifting adjustme...

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Abstract

The invention relates to a euphausia superba trawl net plate variable water layer adjusting mechanism and method. The adjusting mechanism comprises a net plate, a lifting adjusting mechanism, a warp connecting block and a controller, wherein the lifting adjusting mechanism is installed on the inner side of the middle of the front end of the net plate along the height direction of the net plate, the warp connecting block is installed on the lifting adjusting mechanism and can be driven by the lifting adjusting mechanism to ascend and descend, the warp connecting block is connected with a warp,and the controller controls the driving of the lifting adjusting mechanism. A posture of the net plate can be dynamically adjusted in the fishing operation process, and the purpose of adjusting a depth of a trawl variable water layer is achieved.

Description

technical field [0001] The invention belongs to the technical field of trawl net panels, and in particular relates to an Antarctic krill trawl net panel variable water layer regulating mechanism and a method thereof. Background technique [0002] The existing net plate trawl net used for Antarctic krill fishing, its two sides are respectively connected with the fork plate of the net plate through connecting chains for dragging, and the drag plate of the net plate is provided with a drag plate, and the drag plate passes through the drag plate. The bridge is connected with the traction system of the fishing boat, and the fishing boat sails and pulls the net plate to achieve a balanced posture in the water body, unfolds the trawl net mouth and drags the trawl net for sea-sweeping fishing. [0003] As we all know, the purpose of adjusting the position of the trawl net in different water layers in the water body can be achieved by adjusting the inclination angle of the net plate ...

Claims

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Application Information

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IPC IPC(8): A01K73/02
CPCA01K73/025
Inventor 王鲁民张勋张禹王永进王磊闵明华齐广瑞马硕
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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