一种拖网渔船的导流管

Flow guide pipe of trawler

Abstract

The invention relates to the technical field of trawlers, and discloses a flow guide pipe of a trawler. The flow guide pipe comprises an inner casing, an outer casing, a first wheel ring and a second wheel ring, wherein the first wheel ring is connected with the upper ends of the inner casing and the outer casing, the second wheel ring is connected with the lower ends of the inner casing and the outer casing, and the inner casing is of a structure which is concave to the inner side; the upper ends of the inner casing and the outer casing are welded on the first wheel ring, the lower ends of the inner casing and the outer casing are welded on the second wheel ring, and a cavity is formed between the inner casing and the outer casing. The flow guide pipe has the advantages that the drag force is increased, and the like.
本发明涉及拖网渔船技术领域,公开了一种拖网渔船的导流管,包括内壳体、外壳体、第一轮圈和第二轮圈,所述第一轮圈连接于内壳体和外壳体上端,所述第二轮圈连接于内壳体和外壳体的下端,所述内壳体为向内侧凹陷的结构;且所述内壳体和外壳体上端焊接于第一轮圈上,所述内壳体和外壳体的下端焊接于第二轮圈上,所述内壳体和外壳体之间形成一腔体。本发明具有能够提高拖力等优点。

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Cited By (1)

    Publication numberPublication dateAssigneeTitle
    CN-106081029-ANovember 09, 2016哈尔滨工程大学正反向等推力导管推进器