Fishing boat front extension type trawl device based on water surface fishing

Abstract

The invention discloses a fishing boat front extension type trawl device based on water surface fishing, and belongs to the technical field of marine equipment. The trawl device comprises a telescopic positioning structure, a net opening supporting structure, a fishing net body, a fishing lifting structure, a lifting segmentation structure and a lifting sealing structure. According to the device, the telescopic driving structure can drive the telescopic positioning structure to build the fishing net body in front of the ship body structure, and the inlet end of the fishing net body is maintained at a preset distance in front of the ship body structure by means of the net opening supporting structure, so that fish schools located in a top-layer water area are fished to enter the fishing net body from the inlet end; the lifting segmentation structure and the lifting sealing structure can be synchronously driven through the lifting motion of the fishing lifting structure, fishes gathered at the tail end of the fishing net body can be independently erected and lifted through the lifting segmentation structure, and an outlet channel can be formed at the tail end of the fishing net body through the lifting sealing structure and further driven to ascend; and the fish can fall into a specific container of the ship body structure by virtue of self gravity.

Description

technical field [0001] The invention relates to the technical field of marine equipment, in particular to a fishing boat front extension type trawling device based on water surface fishing. Background technique [0002] At present, with the continuous improvement of fishing technology, mechanized ocean-going fishing vessels have become one of the main ways for fishing vessels to go fishing. Among them, trawling is currently the most mainstream fishing method because of its convenient operation and wide application area. In the prior art, trawling is to drag the rear fishing net forward by a fishing boat, and the fishing net "pockets" the fish in the sea as the hull advances, and then collects the net. [0003] However, when the hull sails in, the fish shoals usually located in the top waters will be driven away by the sailing hull, causing the fish shoals to scatter and dissociate to both sides, which will cause subsequent trawling to fail to effectively fish. Therefore, t...

AI Technical Summary

Problems solved by technology

[0004] For this reason, the present invention provides a fishing boat front extension type trawling device based on water surface fishing, to solve the problem that the fishing trawl in the prior art cannot meet the fishing demand for fish schools in the top waters, resulting in relatively high limitations in the use of the trawl , technical problems with low functional practicability

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