CN2789127Y - Shallow-draft small water plane double-hull ship body - Google Patents
Shallow-draft small water plane double-hull ship body Download PDFInfo
- Publication number
- CN2789127Y CN2789127Y CN 200520069531 CN200520069531U CN2789127Y CN 2789127 Y CN2789127 Y CN 2789127Y CN 200520069531 CN200520069531 CN 200520069531 CN 200520069531 U CN200520069531 U CN 200520069531U CN 2789127 Y CN2789127 Y CN 2789127Y
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- hull
- shallow
- swath
- small waterplane
- hull ship
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Abstract
The utility model discloses a shallow-draft hull of a small waterplane area catamaran, which comprises a waterborne platform, wherein the lower part of the waterborne platform has two submergence bodies which are respectively installed on both sides of the lower part of the waterborne platform through a support post in a parallel and symmetrical shape. The utility model has the characteristics that the cross sections of the two submergence bodies are in a vase shape, and the bottoms are flat. The small waterplane area catamaran with the hull has the advantages of good seakeeping performance, convenient maintenance and convenient equipment placement.
Description
(1) technical field
The utility model relates to a kind of catamaran.The bench section that is submerged body down specifically is the shallow draft small waterplane area twin hull ship (SWATH) hull of vase-like.
(2) background technology
Two following submerged bodies of tradition small waterplane area twin hull ship (SWATH), its bench section mostly are circular or oval.Though this submerged body regular shape down is convenient to processing, has following problem:
On the one hand, because circular or oval-shaped area of section coefficient C
M=area of section/bench section maximum width and bench section maximum height are to be amassed=π/4 ≈ 0.785.This shows that the bench section is circular or oval-shaped submerged body down, its area of section coefficient is less.The following submerged body that the area of section coefficient is little, its displacement of volume is also little.For satisfying the balance requirement between displacement and the weight, need long and narrow pillar more displacement of volume is provided, make that the depth of immersion of pillar increases, drinking water is darker.So, not only increase the structural weight of hull self, also can be subjected to the restriction in shallow-water port, shallow-water navigation water waters, made applying of small waterplane area twin hull ship (SWATH) be restricted.
On the other hand, because the principle of design of small waterplane area twin hull ship (SWATH) is that the most of displacement of volume of hull is distributed on the water surface following submerged body far away,, improve seakeeping performance so that reduce the interference of wave to hull.Obviously, the displacement of volume width between centers water surface of following submerged body is far away more, and the seakeeping performance of hull is just good more.And the area centre of form of circle or oval-shaped profile is the center of circle or oval center (section height center), so the displacement of volume center of traditional shallow draft small waterplane area twin hull ship (SWATH) hull generally is positioned at its centerline of submerged body body cardan shaft down, the displacement of volume width between centers water surface elevation of whole hull is nearer relatively, makes that the seakeeping performance of small waterplane area twin hull ship (SWATH) is relatively poor.
In addition, the following submerged body of circle or oval-shaped profile, the free space in it is less, is unfavorable for the layout of equipment.
In addition, because submerged body is circular or oval-shaped section down, its bottom is a curved surface, needs to be equipped with special-purpose moulding bed and just can keep in repair, and repairs cumbersome.
(3) utility model content
The technical problems to be solved in the utility model provides a kind of shallow draft small waterplane area twin hull ship (SWATH) hull.Adopt the small waterplane area twin hull ship (SWATH) of this hull, seakeeping performance is good, is convenient to maintenance, is convenient to facility location, and is easy to utilize.
For addressing the above problem, the utility model is taked following technical scheme:
Shallow draft small waterplane area twin hull ship (SWATH) hull of the present utility model comprises above water platform, and there are two following submerged bodies above water platform below, and these two following submerged bodies are respectively by pillar is side by side, symmetry shape is installed in the above water platform bottom both sides.The bench section that is characterized in twice submerged bodies is a vase-like, and its bottom is flat.
Adopt such scheme, have the following advantages:
Because shallow draft small waterplane area twin hull ship (SWATH) hull of the present utility model, its down the bench section of submerged body be vase-like, its bottom be flat, its top is narrow, the bottom is wide, make its area of section coefficient with respect to circle or oval improve a lot.Area of section coefficient one is big, and the displacement of volume of following submerged body is just big.Like this, under the prerequisite that guarantees displacement and hull mass, can reduce pillar depth of immersion, reduce draft.Not only alleviated the self structure weight of hull, can also satisfy the navigation requirement in shallow-water port, shallow-water navigation waters, made that applying of this catamaran is unrestricted.
Owing to shallow draft small waterplane area twin hull ship (SWATH) hull of the present utility model, bench section of submerged body is a vase-like under it again, and its bottom is flat, and its displacement of volume width between centers water surface is far away relatively, makes that the displacement of volume width between centers water surface elevation of whole hull is far away relatively.Therefore, use this small waterplane area twin hull ship (SWATH) of submerged body down, seakeeping performance is better.
In addition, shallow draft small waterplane area twin hull ship (SWATH) hull of the present utility model, bench section of submerged body is a vase-like under it, its bottom is flat, makes that the free space in it is bigger, helps the layout of equipment.
In addition, shallow draft small waterplane area twin hull ship (SWATH) hull of the present utility model, bench section of submerged body is a vase-like under it, its bottom is flat, need not be equipped with special-purpose moulding bed just can keep in repair, and repairs than being easier to.
(4) description of drawings
Fig. 1 is a shallow draft small waterplane area twin hull ship (SWATH) hull scheme drawing of the present utility model;
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.
(5) specific embodiment
As shown in Figure 1 and Figure 2, shallow draft small waterplane area twin hull ship (SWATH) hull of the present utility model comprises above water platform 1, and there are two following submerged bodies 3 above water platform 1 below, and these two following submerged bodies are installed in vertical both sides downside of above water platform 1 respectively by means of pillar 2.The bench section of said twice submerged bodies 3 is a vase-like, and its bottom 4 be flat, and their bottom broad, top are narrower, and their the bench section centre of form 5 is under its line of centers highly.
Claims (1)
1. shallow draft small waterplane area twin hull ship (SWATH) hull comprises above water platform (1), and there are two following submerged bodies (3) above water platform (1) below, and these two following submerged bodies are respectively by pillar (2) is side by side, symmetry shape is installed in above water platform (1) bottom both sides; The bench section that it is characterized in that twice submerged bodies (3) is a vase-like, and its bottom (4) is flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069531 CN2789127Y (en) | 2005-03-02 | 2005-03-02 | Shallow-draft small water plane double-hull ship body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069531 CN2789127Y (en) | 2005-03-02 | 2005-03-02 | Shallow-draft small water plane double-hull ship body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2789127Y true CN2789127Y (en) | 2006-06-21 |
Family
ID=36789462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520069531 Expired - Fee Related CN2789127Y (en) | 2005-03-02 | 2005-03-02 | Shallow-draft small water plane double-hull ship body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2789127Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183106A (en) * | 2011-12-29 | 2013-07-03 | 上海佳豪船舶工程设计股份有限公司 | Method for improving seakeeping of double-body wind power project workboat |
| CN104816796A (en) * | 2015-05-05 | 2015-08-05 | 浙江海洋学院东海科学技术学院 | High-performance small-waterline-area twin-body intelligent measurement ship |
| CN109606579A (en) * | 2018-12-03 | 2019-04-12 | 江苏科技大学 | A kind of unmanned ships and light boats of small-waterplane-area binary of the adjustable hydrofoil front corpusculum of the angle of attack |
-
2005
- 2005-03-02 CN CN 200520069531 patent/CN2789127Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183106A (en) * | 2011-12-29 | 2013-07-03 | 上海佳豪船舶工程设计股份有限公司 | Method for improving seakeeping of double-body wind power project workboat |
| CN104816796A (en) * | 2015-05-05 | 2015-08-05 | 浙江海洋学院东海科学技术学院 | High-performance small-waterline-area twin-body intelligent measurement ship |
| CN109606579A (en) * | 2018-12-03 | 2019-04-12 | 江苏科技大学 | A kind of unmanned ships and light boats of small-waterplane-area binary of the adjustable hydrofoil front corpusculum of the angle of attack |
| CN109606579B (en) * | 2018-12-03 | 2021-01-12 | 江苏科技大学 | Small waterplane area twin-hull unmanned ship with adjustable attack angle and hydrofoil front small body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060621 |