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With the extension of fishing towards the mid sea, deep sea-anchoring system is urgent to be fitted on fishing vessel. In 1979, hydraulic anchor winch with steel wire rope was designed and manufactured in Shanghai Fishing Vessel Factory, which was verified practical and efficient through operation. It was then applied on 600 and 400 hp-fishing vessels after its improvement of design in 1981.This paper not only introduces performance, structure and hydraulic system of the above system, but also expounds the relations between rope length, water depth and wind (illustrated by table), including the cautions of operation. 相似文献
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1．概述。在我国，一般拖网渔船在起网时将曳纲绞收完毕以后，上、下空纲和整个网具是拖吊在后甲板上的。而在后甲板上(近船尾处)安装了一台卷网机以后，空纲和网具就可以直接卷绕在卷网机的大滚筒上，减少了在大风浪中舷侧起吊网衣操作的危险性，既安全方便，又省时省力；缩短了后甲板的操作面积，使后甲板上没有杂乱的绳索和网具。 相似文献
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这里简单介绍一下上海渔轮修造厂2000升／分双联叶片油泵及2．8吨-米油马达的结构改进情况。它将原来额定压力25kg／cm^2提高到32kg／cm^2，最高压力从30kg／cm^2提高到40kg／cm^2。兹将改进情况介绍如下： 相似文献
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