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Cable winching system for boom trawl fishing boat - hauls in net and adjusts boom position and winch speed simultaneously
Cable winching system for boom trawl fishing boat - hauls in net and adjusts boom position and winch speed simultaneously
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机译:动臂拖网渔船的电缆绞车系统-拖网并同时调节动臂位置和绞车速度
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摘要
The boom (2), which is pivoted on the foremast (1) of the trawler, is attached by a cable (3) via a block on the foremast to one drum (4) on the motorised winch. The cable (6), between the main drum (10) of the winch and the trawled net (13), passes around a fixed block (9), a block (8) attached to a tension detector (12) and a block (8) on the outer end of the boom (2). The detector (12), which may be an electrical or hydraulic type is anchored on a vertical post (11) forward of the mast and near the edge of the boat. - The variations in tension are used to maintain the angle (a) between the sections of taut cable on each side of the detector block (8), by adjusting the boom position and the winch speed.
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