The utility model is to provide an improved ocean wheel fast round bottom towing boats trawl with homework. It is from the open after the circle like network port (1), net (6), half sleeve shaped gourd width back net (4) and by more than 20 times. The net (4) net mesh size. In trawling, due to the triangle net (5), to solve the net export trawl heap, and semi gourd in parallel flow resistance under wide back net shape (4) fully unfolded, net sleeve (6) fully open in the vertical range, network port (1) like round. At the right speed, horsepower and drag, net week, than the average elevation of 5 meters above the net mouth. Favorable release of the bottom fish, suitable for East, the Yellow Sea, the bottom of the economic fish fishing operations.
【技术实现步骤摘要】
【技术保护点】
一种改进海洋机轮渔船底拖作业用的圆口快速拖网,其特征是由网的背,腹口门(2、3)二侧装有三角形网衣(5),使张开后呈似圆形的网口(1);位于网口(1)二侧,其上下、前后配有不同斜率网目坡度的,近尖端处设燕尾叉形网衣(7)的网袖(6);背部(8)网线较常用的细而腹部(9)较常用粗的,且背部(8)网目数多于腹部(9)而形成的宽背半葫芦形网身(4);和从网口(1)至网囊(10)间,经先增后减、先疏后密的20次以上渐次递变的网身(4)网目数所组成。
【技术特征摘要】
【专利技术属性】
技术研发人员:陆树芬,
申请(专利权)人:太仓县浮桥渔网厂,
类型:实用新型
国别省市:32[中国|江苏]
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