A device for repairing nets in deep-water cages

Abstract

The invention discloses a device for repairing nets in deep-water net cages, which includes an open-frame underwater robot and a net repair mechanism for deep-water nets. The net repair mechanism for deep-water nets includes a net hole penetration mechanism and a wire feeding mechanism , rotary knotting mechanism, steel wire cutting mechanism and steel wire clamping mechanism; the hole penetration mechanism includes mechanical claws and a control box for controlling the mechanical claws, the wire feeding mechanism and steel wire cutting mechanism are fixed inside the control box, and the steel wire clamping mechanism and the rotary knotting mechanism are arranged between two sets of mechanical claws; the open-frame underwater robot is detachably connected with the deep-water cage net repair mechanism through a connecting shaft. In the face of large holes, the present invention drives two mechanical claws to increase the opening angle, combined with multiple repairs to repair large net holes, and avoids huge economic losses and biological environmental pollution caused by large-scale fish escape. Moreover, the device has high realizability, safe and reliable operation, high portability and high integration.

Description

technical field [0001] The invention relates to the technical field of marine fishery, in particular to a device for repairing nets of deep-water net cages. Background technique [0002] Marine fishery refers to the production undertakings engaged in marine fishing and mariculture. Actively developing marine fisheries can provide a large amount of animal protein for the people and provide important commodities for foreign trade, which is conducive to alleviating the contradiction between a large population and a small land in our country, and is of great significance to the development of the national economy. [0003] However, the traditional extensive consumption fishery production mode has caused serious damage to the ecology of large areas of the sea, and a series of serious aquatic biological diseases and deterioration of the aquaculture environment have seriously restricted the sustainable development of aquaculture. [0004] Deep-water cage culture is mainly carried ...

AI Technical Summary

Problems solved by technology

However, the use of the whole piece of net clothing butt repair technology (patent number: CN201920651248.2) only exists in theory, and there are a series of difficult-to-control problems, which cannot be used as a sustainable development technology

As for the technology of using ROV to carry the repairing device, the current domestic technology is only a kind of underwater robot for repairing nets in deep sea cages from Ocean University of China (patent number: CN202011621251.3), but its production process is complicated, and the carrying mechanism is divided into two parts: The two independent mechanisms of net repair and net knotting have low feasibility and difficult operation in complex underwater environments, and the quality of net repair is low

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