CN102320346B - 一种双体船 - Google Patents

一种双体船 Download PDF

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Publication number
CN102320346B
CN102320346B CN201110181948.8A CN201110181948A CN102320346B CN 102320346 B CN102320346 B CN 102320346B CN 201110181948 A CN201110181948 A CN 201110181948A CN 102320346 B CN102320346 B CN 102320346B
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catamaran
lamellar body
lamellar
shell
wave
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CN102320346A (zh
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麦荣枝
陈灏
车文斌
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Cssc Offshore & Marine Engineering Group Co ltd
Guangzhou Shipyard International Co Ltd
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Guangzhou Shipyard International Co Ltd
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Abstract

本发明公开了一种双体船,其各片体在舯前内侧采用直线型船壳,在舯后内侧采用曲线型船壳过渡。所述双体船,进流角小,且片体内侧波浪的相互干扰和兴波少,船舶航行阻力小,航速高。而且,两片体间的间距能够做小,能够大幅的降低双体船的建造成本。

Description

一种双体船
技术领域
 本发明涉及船型结构,特别是一种双体船的船型结构。
背景技术
双体船是一种由两个对称的片体和其上的连接桥连接而成的船体。现有的双体船,其各片体自身也为对称的结构,两片体的内侧产生的波浪会相互干扰、兴波,从而增加船舶前行受到的阻力。为了减少片体间波浪的相互干扰、兴波,目前,主要是通过加大两片体的间距,然而片体间距的加大,在减少干扰、兴波的同时,却极大的增加船舶的建造成本。
发明内容
本发明旨在给出一种船舶前行阻力较小、建造成本低的双体船。
本发明所述的双体船,包括两个相互对称的片体和连接两个片体的连接桥,各片体的外侧为曲线船壳,其特征在于:各片体内侧在舯前为直线型船壳,在舯后内侧为曲线型船壳。
本发明所述的双体船,两个片体的舯前内侧采用直线型船壳,能够极大的减少片体内侧产生的波浪,从而极大地减少片体间波浪的相互干扰和兴波,降低航行的阻力。而且,舯前内侧直线型的船壳也大幅减小船舶的进流角,进流角的减小进一步的降低船舶航行的阻力。此外,两个片体舯后内侧采用曲线型船壳,前方来流能够顺利流向螺旋浆,能提高螺旋桨的推进效率。另外,由于片体间的波浪少、兴波少,两片体间的间距也相对能够做到更小,从而能够大幅的降低双体船的建造成本。同时,片体间的间距小了,船舶航行所占的航道也就窄了。
附图说明
图1 为本发明所述双体船的结构示意图;
图2 为本发明的另一种双体船的片体结构示意图。
具体实施方式
一种双体船,如图1,包括两个对称设置的片体1和连接片体的连接桥2,两片体的外侧为曲线型船壳,各片体1的内侧在舯3前采用直线型船壳,包括片体前端的球鼻艏4同样内侧为直线型壳体,各片体的内侧在舯3后采用曲线型船壳。
双体船航行时,沿两片体舯前内侧直线型船壳表面流过的水流较为平直,其波浪小,片体间的波浪相互干扰小,因而船行的阻力较小。其在相同动力的情况下,能够提高船舶的航速。片体内侧平直也使片体前端的进流角大幅减小,这更进一步降低了船行阻力,可进一步提高船舶的航速。片体间波浪的干扰小,也使片体间距相对能够做得更小,从而极大的降低船舶的建造成本。此外,片体舯后内侧为曲线型船壳,前方的来流能够沿曲线船面顺利导向螺旋浆,因而能够螺旋浆的效率较高。
为了,进一步降低两片体舯后内侧螺旋浆引起的波浪间的相互干扰,进一步降低船舶航行的阻力,提高螺旋浆的效率,如图2,两个片体1的螺旋桨轴线5可对称的相外侧偏离片体的中线6,通过相外偏离片体中线,可增大两螺旋浆间的间距,从而降低两螺旋浆间的波浪的互相影响。

Claims (2)

1.一种双体船,包括两个相互对称的片体和连接两个片体的连接桥,各片体的外侧为曲线船壳,其特征在于:各片体内侧在舯前为直线型船壳,在舯后内侧为曲线型船壳。
2.根据权利要求1所述的双体船,其特征在于:两个片体的螺旋桨轴线对称的相外侧偏离片体的中线。
CN201110181948.8A 2011-06-30 2011-06-30 一种双体船 Active CN102320346B (zh)

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Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN102632966A (zh) * 2012-05-06 2012-08-15 张洪达 穿浪高速双体客船
CN103770902B (zh) * 2014-02-20 2016-09-14 上海交通大学 双体船片体的设计方法及利用该方法制造的双体船

Citations (1)

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Publication number Priority date Publication date Assignee Title
US6688248B2 (en) * 2002-04-10 2004-02-10 Itrec B.V. Submersible catamaran

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JPS591627B2 (ja) * 1979-03-03 1984-01-13 正 岡嶋 有翼滑走艇
CN1165761A (zh) * 1997-06-16 1997-11-26 王伟 低兴波高速双体船
CN201520393U (zh) * 2009-10-16 2010-07-07 中国船舶重工集团公司第七○二研究所 槽道船
CN201800868U (zh) * 2010-09-15 2011-04-20 青岛立行车船实业发展有限公司 双体高速艇
CN202201124U (zh) * 2011-06-30 2012-04-25 广州广船国际股份有限公司 一种双体船

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6688248B2 (en) * 2002-04-10 2004-02-10 Itrec B.V. Submersible catamaran

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
《双体船螺旋桨最佳设置部位的研究》;张松鹤;《造船技术》;19941031(第10期);第15页"三、螺旋桨最佳部位的设置方法"部分,第16页图2 *
张松鹤.《双体船螺旋桨最佳设置部位的研究》.《造船技术》.1994,(第10期),

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Address after: 510382 Guangzhou, Guangdong Province, south of Fangcun Avenue, No. 40

Patentee after: CSSC OFFSHORE & MARINE ENGINEERING (Group) Co.,Ltd.

Address before: 510382 Guangzhou, Guangdong Province, south of Fangcun Avenue, No. 40

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Address before: 510382 Guangzhou, Guangdong Province, south of Fangcun Avenue, No. 40

Patentee before: CSSC OFFSHORE & MARINE ENGINEERING (Group) Co.,Ltd.