Net-catching device for crab breeding

Abstract

The invention relates to a net-catching device for crab breeding, which comprises a pond body, wherein the inner bottom of the pond body is welded with four L-shaped track main rods; the transition between a vertical portion and a horizontal portion of each track main rod is conducted through an arc portion; the arc surface of each track main rod is annularly sleeved with a clamp ring capable of sliding along the axial trajectory of the corresponding track main rod; and there is a rope net connected with the four clamp rings among the four clamp rings. The net-catching device is convenient touse, not only can automatically catch crabs in the pond effectively, but also can automatically contract four corners of the rope net, thereby realizing automatic net-catching the crabs, and achievingthe effects of facilitating catching and saving the labor.

Description

technical field [0001] The invention relates to a fishery breeding product, in particular to a net fishing device for crab breeding. Background technique [0002] In the southern and coastal areas of China, crabs are an indispensable delicacy on people's tables in early summer every year. Generally speaking, every harvest season, the breeders must catch crabs in the breeding ponds for easy feeding. It is sold in the market, but at present, most of the crab fishing work needs to be manually caught in the pond with a special net, which is relatively laborious. Contents of the invention [0003] Now in order to facilitate the fishing of crabs in the pond body, the present invention proposes a net fishing device for crab cultivation. [0004] The technical problem to be solved by the present invention adopts the following technical solutions to realize: [0005] A net fishing device for crab cultivation, comprising a pool body, four L-shaped track main rods are welded at the...

AI Technical Summary

Problems solved by technology

[0002] In the southern and coastal areas of China, crabs are an indispensable delicacy on people's tables in early summer every year. Generally speaking, every harvest season, the breeders must catch crabs in the breeding ponds for easy feeding. It is sold in the market, but at present, most of the crab fishing work needs to be manually caught in the pond with a special net, which is relatively laborious.

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