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CN104085497A - 弹性框体结构防撞船舰 - Google Patents

弹性框体结构防撞船舰 Download PDF

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CN104085497A
CN104085497A CN201410327284.5A CN201410327284A CN104085497A CN 104085497 A CN104085497 A CN 104085497A CN 201410327284 A CN201410327284 A CN 201410327284A CN 104085497 A CN104085497 A CN 104085497A
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ship
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姜立平
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Priority to CN201410327284.5A priority Critical patent/CN104085497A/zh
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Priority to CN201510105795.7A priority patent/CN104691701A/zh
Priority to PCT/CN2015/074027 priority patent/WO2016004770A1/zh
Priority to JP2017521276A priority patent/JP2017527492A/ja
Priority to EP15818445.7A priority patent/EP3168133A4/en
Priority to PCT/CN2015/083529 priority patent/WO2016004866A1/zh
Priority to CN201510396512.9A priority patent/CN105253248A/zh
Priority to US15/402,790 priority patent/US20170247085A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B62D21/152Front or rear frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
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    • B63B3/00Hulls characterised by their structure or component parts
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B63B43/00Improving safety of vessels, e.g. damage control, not otherwise provided for
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    • B63GOFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G9/00Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
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    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
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    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
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Abstract

本发明针对目前船只在受撞击后开裂、破损、脱焊等缺陷,公开了弹性框体结构防撞船舰,其特征在于:船体结构为整体弹性框架式结构,用弹性高强度材料制成船只的船壳、甲板、骨架。所述的船壳呈椭圆弧形状,消除应力集中点。所述的骨架顺其走势呈弧状或波浪状。所述的甲板为双层结构。应用相同的原理,可应用于现有船只抗撞击而增加弹性防护层的改装上,可大大提高船只的耐撞性能。本发明所述的船只整个船体具有微弹性形变功能,当船头、船尾或两侧受到撞击后,在撞击力的作用下,船体会发生相应的微量弹性变形,可以缓冲并吸收撞击时的瞬间冲击能量,大大增强其抗撞安全系数。所述的船只的弹性结构不影响船只的正常行驶及承载力。

Description

弹性框体结构防撞船舰
技术领域
本发明涉及船只结构安全防护领域,特别是弹性框体结构防撞船舰。
背景技术
古者观落叶因以为舟。古老的中国人看到落叶掉在水面上浮而不沉而领悟到船的原理起,船就一直承担水上的重要交通运输工具,其应用历史悠久。船从史前刳木为舟起,经历了独木舟和木板船时代,1879年世界上第一艘钢船问世后,又开始了以钢船为主的时代。钢船主要包括船壳、骨架、甲板及上层建筑,各部分主要采用焊接工艺构成一体式刚性结构。当刚性的船只在水上运行时撞击到他物时,容易导致船只开裂进水、焊处脱焊渗水,进而发生沉船事故。由于各种自然原因及人为原因,撞船、沉船事故屡见不鲜,其人身和经济损失都是惨痛的。为防止撞船、沉船事故的发生,增强船只的抗撞安全系数、在舰船船体的结构优化设计上,根据弹性防撞原理,充分考虑提高船体的安全防护能力是个有效的解决措施。
发明内容
本发明针对目前刚性船只在受撞击后开裂、破损、脱焊等缺陷,提供一种结构合理的弹性框体结构防撞船舰。
本发明采用以下技术方案:
弹性框体结构防撞船舰,其船体结构为整体弹性框架式结构,用弹性高强度材料制成船只的船壳、骨架及甲板,所述的船壳呈椭圆弧形状。
所述的弹性高强度材料包括弹簧合金钢、弹性不锈钢、低合金高强度钢、碳纤维、玄武岩纤维、PBO纤维、石英纤维、“凯夫拉”纤维、超高分子量聚乙烯纤维、石墨纤维、碳化硅纤维、硼纤维的复合材料及金属和非金属的复合材料。
所述的船体结构为没有应力集中点的整体弹性框架式结构,所述的船壳外形呈圆弧或椭圆弧形状,消除了应力集中点,船体就不容易损伤开裂。
所述的骨架包括龙骨、肋骨及结构性加强筋、板,均顺其各自走势呈弧状或波浪状。当船体受到外力冲撞瞬间,整个船体就会产生微小的弹性形变而不至于发生破裂、脱焊甚至漏水、沉船等现象。
所述的甲板为双层结构,下层甲板为弧形龟背状结构连接在船壳及骨架上,同船壳及骨架一起构成船只的类椭圆体状主体弹性框架;上层甲板为常规平面甲板采用弹性阻尼滑移结构件安装覆盖在下层甲板之上;所述的弹性阻尼滑移结构件为弹簧、阻尼器、橡塑及高分子材料弹性垫块;所述的上下层甲板可相对滑移。
本发明所述的船只采用具有弹性高强度的材料制成,其骨架顺其走势呈弧状或波浪状,大大增强了其许可的弹性形变,同时又保证了船只的承载力;而双层甲板的结构,下层甲板为弧形龟背状结构连接在船壳和骨架上,当船只航行时碰到冰山或两船相撞时,船体船壳和骨架发生弹性形变,整个船体会相应的发生微量弹性形变,缓冲并吸收撞击能量,避免了撞击后硬碰硬导致的船体损伤。下层甲板是类椭圆形船体的一部分,同时也会发生形变不至于受到破坏;而上层甲板为常规甲板采用弹性阻尼滑移结构连接覆盖在弧形龟壳状下层甲板之上,且与下层甲板之间可做相对滑移,隔离了下层甲板的形变及能量,从而保证船体上层建筑与常规船体一样不会受损,大大增强其安全系数。
优选地,充分考虑船体底部触礁的防撞,所述船体的底部,为双层结构,在原始底部增加弹性防护层。所述的弹性防护层的结构设计与整个船体相同,外壳呈圆弧状,内部骨架及加强筋、板均顺其垂直于底部外壳的走势呈弧状或波浪状,材料为弹性高强度的材料制成。当船只底部触礁时,船体底部的防护夹层会产生适量弹性形变,从而缓冲、吸收大部分冲击能量,使得船体底部不至于开裂,确保船只的航行安全。
根据同样的结构设计原理,本发明专利可用于对现有船只进行抗撞击改装,其特征在于:在船只的易撞击处增加一层弹性防护层,所述的弹性防护层包括弧形外壳、内部骨架及加强筋、板。所述的弧形外壳、内部骨架及加强筋、板用弹性高强度材料制成弧状或波浪状;所述的外壳与原船体外壳采用圆滑过度相切连接,所述的弹性防护层具有受到撞击后会产生相应的弹性形变,缓冲并吸收撞击能量,增强其承受大撞击量的能力,以确保整个需改进的船只的耐撞性能,提升其安全系数。
附图说明
图1为本发明实施例一船体的三维图;
图2为本发明实施例一船体的船壳及骨架的俯视图;
图3为本发明实施例一船体的横向剖视图;
图4为本发明实施例二在船体增加弹性防护层的横向剖视图;
其中,1:船壳;2:骨架;21:龙骨;22:肋骨;23:旁龙骨;3:甲板;31:下层甲板;32:上层甲板;4:弹性阻尼滑移结构件;5:弹性防护层;51:弧形外壳;52:内部骨架。 
具体实施方式
为使本发明的目的、技术方案及优点更加明白、清楚,以下结合实施例及附图对本发明作进一步说明。
实施例一:
如图1、2、3、所示,弹性框体结构防撞船舰,其船体结构为整体弹性框架式结构,用弹性高强度材料制成船只的船壳1、骨架2及甲板3,所述的船壳1呈椭圆弧形状,所述的骨架2顺其走势呈弧状或波浪状,所述的甲板3为双层结构。
所述的船体结构优化设计为没有应力集中点的整体弹性框架式结构,所述的船壳1呈圆弧或椭圆弧形状。
所述的骨架2包括龙骨21、肋骨22、旁龙骨23及结构性加强筋、板,均顺其各自走势呈弧状或波浪状。
所述的甲板3为双层结构,下层甲板31为弧形龟背状结构连接在船壳1及骨架2上,同船壳1及骨架2一起构成船只的类椭圆体状主体弹性框架;上层甲板32为常规平面甲板,依托弹性阻尼滑移结构,4支撑安装覆盖在下层甲板31之上;所述的弹性阻尼滑移结构件4为弹簧、阻尼器、橡塑及高分子材料弹性垫块;所述的上层甲板32与下层甲板31可相对滑移。
所述的弹性高强度材料包括弹簧合金钢、弹性不锈钢、低合金高弹性钢、碳纤维、玄武岩纤维、PBO纤维、石英纤维、“凯夫拉”纤维、超高分子量聚乙烯纤维、石墨纤维、碳化硅纤维、硼纤维的复合材料及金属和非金属的复合材料。
所述的船只采用具有弹性高强度的材料制成,其骨架2顺其走势呈弧状或波浪状,大大增强了其许可范围内的弹性形变,同时又保证了船只的承载力;而双层甲板3的结构,下层甲板31为弧形龟背状结构连接在船壳1和骨架2上,当船头、船尾或两侧受到撞击后,在撞击力的作用下,船体会发生相应的微量弹性形变,其弹性变形不影响船只的正常行驶。船壳1和骨架2发生弹性形变时,下层甲板31同时相应发生形变;而上层甲板32为常规甲板依托弹性阻尼滑移结构4支撑连接,覆盖在下层甲板31之上且与下层甲板31之间可相对滑移,起到隔离缓冲并吸收撞击能量的作用,可保证船体上层建筑及其他使用与常规船体一样平稳舒适,大大增强其安全系数。
优选的,考虑船体底部的防撞性能,所述船体的底部,为双层结构,在原始底部增加弹性防护层5。所示的弹性防护层5的结构设计与整个船体相同,外壳51呈圆弧状,内部骨架52及加强筋、板均顺其垂直于底部外壳51的走势呈弧状或波浪状,材料为弹性高强度的材料制成。当船只底部触礁时,船体底部的弹性防护层5会产生适量弹性形变,从而缓冲、吸收大部分冲击能量,使得船体底部不至于开裂,确保船只的航行安全。
实施例二:
如图4所示,在现有船只的易撞击处(本实施例中为船体的两侧)增加一层弹性防护层5,所述的弹性防护层包括弧形外壳51、内部骨架52及加强筋、板,由弹簧钢或弹性不锈钢或低合金高弹性钢加工成型。所述的内部骨架52及加强筋、板均顺其走势制成弧状或波浪状,所述的弹性防护层5的弧形外壳51与船体原外壳之间的连接采用圆滑过度相切连接,消除了应力集中点,增强其承受外力冲击强度,改进增加弹性防护层5的船只,受到撞击时其撞击处的弹性防护层5发生弹性形变,缓冲并吸收撞击能量,使得撞击力传递至船壳,乃至船体的能量就大大削弱,增强了船只的耐撞性能,提升其安全系数。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭示的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应以权利要求的保护范围为准。

Claims (8)

1.弹性框体结构防撞船舰,其船体结构为整体弹性框架式结构,用弹性高强度材料制成船只的船壳、骨架及甲板,所述的船壳呈椭圆弧形状,所述的骨架顺其走势呈弧状或波浪状,所述的甲板为双层结构。
2.如权利要求1所述的弹性框体结构防撞船舰,其特征在于:所述的弹性高强度材料包括弹簧合金钢、弹性不锈钢、低合金高强度钢、碳纤维、玄武岩纤维、PBO纤维、石英纤维、“凯夫拉”纤维、超高分子量聚乙烯纤维、石墨纤维、碳化硅纤维、硼纤维的复合材料及金属和非金属的复合材料。
3.如权利要求1所述的弹性框体结构防撞船舰,其特征在于:所述的船体结构为没有应力集中点的整体弹性框架式结构,所述的船壳外形呈圆弧或椭圆弧形状。
4.如权利要求1所述的弹性框体结构防撞船舰,其特征在于:所述的骨架包括龙骨、肋骨及结构性加强筋、板,均顺其各自走势呈弧状或波浪状。
5.如权利要求1所述的弹性框体结构防撞船舰,其特征在于:所述的甲板为双层结构,下层甲板为弧形龟背状结构连接在船壳及骨架上,同船壳及骨架一起构成船只的类椭圆体状主体弹性框架;上层甲板为常规平面甲板采用弹性阻尼滑移结构件安装覆盖在下层甲板之上;所述的弹性阻尼滑移结构件为弹簧、阻尼器、橡塑及高分子材料弹性垫块;所述的上下层甲板可相对滑移。
6.如权利要求1所述的弹性框体结构防撞船舰,其特征在于:在船只底部增加弹性防护层。
7.如权利要求6所述的弹性框体结构防撞船舰,其特征在于:所述的弹性防护层包括弧形外壳、肋骨及加强筋、板;所述的弧形外壳与船体外壳圆滑相交相切;所述的弹性防护层的弧形外壳、肋骨与加强筋、板均由弹性高强度材料制成弧状或波浪状。
8.如权利要求6或7所述的弹性框体结构防撞船舰,可用于对现有船只进行耐撞改装,其特征在于:在船只的易撞击部位增加所述的弹性防护层。
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