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Shroud

A technology of shrouds and outer shrouds, which is applied to ship propulsion, ship parts, ships, etc., can solve the problems of low efficiency of shrouds, and achieve the effect of improving propulsion efficiency

Inactive Publication Date: 2018-02-06
ZHEJIANG INT MARITIME COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The problem to be solved by the present invention is the low efficiency of existing shrouds

Method used

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] The new wind deflector includes an outer cover 1, a horizontal plate 2, a middle sleeve 3, a vertical plate 4, a pressure plate 5, a guide wing 6, a reinforcing rod 7, a web 8 and a spiral cover 9. The inside of the outer cover 1 passes through a plurality of The horizontal plate 2 is equipped with a middle sleeve 3, and the vertical plate 4 is arranged between the horizontal plates 2. The upper part of the outer cover 1 is provided with a guide wing 6, so that the upper part of the water flow is gathered inward, and the two sides are provided with a pressure plate 5, which is S-shaped. The curve is forward pressure and then loose, which increases the water flow, prevents the cavitation effect, and improves the actual propulsion efficiency.

[0018] The front part of the outer cover 1 is provided with a spiral cover 9, so that the water flow gene...

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Abstract

The invention discloses a novel guide cover. The novel guide cover comprises an outer cover, transverse plates, a middle sleeve, vertical plates, pressure flow plates, a guide wing, a reinforcing rod, a web plate and a spiral cover, wherein the middle sleeve is mounted inside the outer cover through multiple transverse plates; the vertical plates are arranged among the transverse plates; the guide wing is arranged on the upper part of the outer cover; the pressure flow plates are arranged at the two sides of the outer cover; the spiral cover is arranged on the front part of the outer cover; the outer cover is internally and externally hollow, and a reinforcing rob is arranged in the hollow outer cover; the web plate is arranged on a joint of the outer cover and the guide wing to perform welding reinforcing; a mounting mode is that the web plate is firstly welded and then an outer plate of the outer cover is welded, so that the outer plate can be fully welded, and the structural strength is reinforced; the spiral cover is 1 m in width, 20 cm in screw pitch and 65 degrees in variable-screw-pitch taper angle, and has a better function of guiding water flow to advance in a rectilinear manner, so that the advance efficiency is improved; through an internal structure, water flow is cut to realize rectilinear advance; meanwhile, the internal structure is matched with the spiral cover, so that water flows generate certain internal rotation, long-distance rectilinear water flow is realized, and the advance efficiency is greatly improved.

Description

technical field [0001] The invention relates to a novel wind deflector and belongs to the field of ships. Background technique [0002] With the development of modern technology and the shortage of land resources, the pace of ocean development is getting faster and faster, so more and more large ships are being manufactured, especially bulk carriers undertake the transportation of public goods, and the demand is large. To improve For propulsion efficiency, bulk carriers are generally equipped with a dome, but the current dome is only a circular shell, so the structural strength is not high, especially the water flow gathering effect cannot be well realized, and it still has a lot of divergence , resulting in thrust can not be 100% forward, so there is an urgent need for a device to improve the efficiency of propulsion. Contents of the invention [0003] The object of the present invention is to provide a new type of wind deflector. [0004] The problem to be solved by th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63H5/16
Inventor 刘在良
Owner ZHEJIANG INT MARITIME COLLEGE
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