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Adjustable fish screen and net cage using same

An adjustable, cage technology, applied in applications, fishing, fishing nets, etc., can solve the problems of cumbersome work, waste of resources, and time-consuming, to avoid waste of resources, low production costs, and easy to operate. Effect

Inactive Publication Date: 2014-03-12
FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, each farmer needs to prepare fish sieves of various specifications, which is a serious waste of resources
At the same time, it takes a long time to separate and bundle the fish screen from the cage every time, and the work is cumbersome

Method used

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  • Adjustable fish screen and net cage using same
  • Adjustable fish screen and net cage using same
  • Adjustable fish screen and net cage using same

Examples

Experimental program
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Effect test

Embodiment Construction

[0014] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0015] As shown in the figure: the adjustable fish screen in the embodiment is mainly composed of a frame 1 and a rotating piece 3; the frame 1 is rectangular, and two opposite frames of the frame 1 are respectively provided with several symmetrical small holes 2; The rotary piece 3 is rectangular, and the middle part of the two ends of the rotary piece 3 is provided with a screw 4, and the said rotary piece 3 is arranged in the frame 1 in parallel and side by side, and the screw rods 4 at the two ends of the rotary piece 3 are worn through the small holes on the two frames of the frame 1 In 2, lock nut 4 is equipped on the screw rod 4. Preferably, the locking nut 4 is a dovetail nut.

[0016] In the embodiment of the present invention, the width of the rotating piece 3 is 8 cm, and the thickness is 0.5 cm; the distance between adjacent small holes 2 on the fr...

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Abstract

The invention relates to an adjustable fish screen. The adjustable fish screen is characterized by comprising a frame and rotary pieces; the frame is rectangular, two opposite side frames of the frame are respectively provided with a plurality of small holes which are symmetrical in position; each rotary piece is rectangular, the middle portions of the two ends of each rotary piece are provided with screws, the rotary pieces are arranged in the frame in parallel and side by side, the screws at the two ends of each rotary piece are arranged in the corresponding small holes of the two side frames of the frame in a penetrating mode, and each screw is provided with a locking nut in a matched mode. The adjustable fish screen is simple in structure, simple and easy to operate, low in cost, and capable of effectively separating large fishes and small fishes in a fish catching process, avoids resource waste caused by manufacturing of fish screens of different standards, lowers labor consumption in a process that the fish screen is disassembled and bundled in a net cage, and is an innovation of the fish screen manufacturing technique.

Description

technical field [0001] The invention relates to an adjustable fish sieve and a cage using the fish sieve, belonging to the technical field of aquaculture. Background technique [0002] Since the reform and opening up, my country has carried out the fishery development policy of "focusing on breeding", which has enabled the rapid development of aquaculture. According to the "2012 China Fishery Statistical Yearbook", my country's aquaculture output reached 40.2326 million tons, accounting for 71.8% of the total aquatic product output (56.0321 million tons). The rapid development of the aquaculture industry is inseparable from the innovation of farming methods and the advancement of fishery technology. Among them, the method of round-catching and multi-species polyculture has played an important role in high-yield and efficient pond farming. Wheel catching and wheel placement means that in close-cultured fish ponds, according to the growth of fish, after a certain period of ti...

Claims

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Application Information

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IPC IPC(8): A01K77/00A01K61/00
CPCY02A40/81
Inventor 孟顺龙陈家长胡庚东瞿建宏吴伟裘丽萍范立民宋超
Owner FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
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