Ice area fishing boat trawling device

Abstract

The invention discloses an ice area fishing boat trawling device which comprises a hinge base, the hinge base is fixed to a first hull structure, a rotating arm frame is connected to the hinge base through a hinge shaft, a variable-amplitude oil cylinder mounting lug plate is arranged on the inner side of the rotating arm frame, one end of a variable-amplitude oil cylinder is connected with the rotating arm frame through the variable-amplitude oil cylinder mounting lug plate, and the other end is connected with a second hull structure through an oil cylinder connecting seat; a locking oil cylinder mounting lug plate and a locking pin seat are further arranged on one side of the second hull structure, a locking oil cylinder is arranged on the locking oil cylinder mounting lug plate, and a plug pin is arranged at one end of the locking oil cylinder; and a pulley block is mounted at one end of the rotating arm frame. The device is novel in structure, reasonable in design, small in size, small in installation space, large in bearable rated load, high in fishing efficiency, capable of conducting fixed operation at the vertical position and the horizontal position, capable of conveniently throwing away floating ice in the net dragging process and widely applied to various ice area fishing boats.

Description

technical field [0001] The invention relates to the fields of ships and marine engineering, in particular to a trawling device for fishing boats in ice areas. Background technique [0002] Trawlers are ships that use trawls to catch fish. Trawl devices are mainly used on fishing boats. At present, trawler devices are widely used in the fishery field. The common fishing method is to pull the net from the stern to Drag the fishing net to the deck at the slideway, or lift the fishing net to the deck by lifting equipment, and then unload the fish resources to the fish cabin or processing workshop. This method is relatively inefficient and labor-intensive, and is suitable for fishing boats with relatively low processing capacity. . The Institute of Fishery Machinery and Instruments of the Chinese Academy of Fishery Sciences proposed a design for a truss trawling device with double supports. Features tackle. Its advantages are simple structure and stable function. The disadvant...

AI Technical Summary

Problems solved by technology

Its advantages are simple structure and stable function. The disadvantage is that the structure is relatively large and requires a large installation space, and the load is small, so it cannot adapt to larger tonnage fishing boats in the ice area.

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