CN107514932B - 导弹发射筒筒体 - Google Patents
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Abstract
本发明属于导弹发射装置相关领域,并公开了一种导弹发射筒筒体,所述筒体径向由内至外依次包括耐热防冲刷层、隔热层和承载层,所述耐热防冲刷层由耐热防冲刷材料制成,所述隔热层由隔热材料制成,所述承载层由竹片缠绕多层并通过树脂粘结固化而成。通过本发明,采用竹复合材料制成筒体,尤其是对构成承载层的竹片尺寸、含水率、强度、缠绕方式及树脂进行具体设计,使制得的导弹发射筒筒体绿色环保、原材料资源可再生、防震、低摩擦、耐磨、隔热、耐烧蚀、耐冲刷和电磁波屏蔽。
Description
技术领域
本发明属于导弹发射装置技术领域,更具体地,涉及一种导弹发射筒筒体。
背景技术
导弹发射筒是导弹冷发射的主要设备,是装筒导弹在运输、起吊时的主要承力件,其作用主要为:
1)平时配合装填设备,实施装弹与退弹;
2)当导弹装入发射筒后,给导弹保温,提供一个适合导弹固体推进剂工作的环境温度;
3)运输时支撑导弹;
4)进入发射阵地后,与发射台配合进行导弹方位瞄准和垂直度调整,配合导弹进行各种测试与检查;
5)发射时起支撑和导向作用。
因此,导弹发射筒应具有防震、低摩擦、耐磨、隔热、耐烧蚀、耐冲刷和电磁波屏蔽的能力。由于发射筒质量的减轻可使发射导弹的射程距离和精度控制都得到更有效的提升,所以质轻高强的复合材料是制造导弹发射筒所用材料的发展趋势。目前有采用玻璃纤维复合材料制造导弹发射筒筒体,但是玻璃纤维属于高能耗材料,消耗宝贵的石油资源,产品及废料对环境会造成污染,不环保。
发明内容
针对现有技术的以上不足或改进需求,本发明提供了一种导弹发射筒筒体,其中通过对筒体结构、材料等方面予以改进和重新设计,使得该导弹发射筒筒体防震、低摩擦、耐磨、隔热、耐烧蚀、耐冲刷和电磁波屏蔽的同时,绿色环保、质轻高强。
为实现上述目的,按照本发明,提供了一种导弹发射筒筒体,所述筒体径向由内至外依次包括耐热防冲刷层、隔热层和承载层,所述耐热防冲刷层由耐热防冲刷材料制成,所述隔热层由隔热材料制成,所述承载层由竹材缠绕多层并通过树脂粘结固化而成。
对于本发明的上述构思所形成的技术方案,承载层作为导弹发射筒筒体的主要结构,是由竹材缠绕制成,采用竹材作为原材料,绿色环保,资源可再生,不会受到资源限制,成本低;而且竹材质量轻,强度高,韧性好,利用高比强度、比模量的竹材采用缠绕工艺可以将其轴向拉伸强度发挥至最大化,使缠绕出的筒体力学强度高,此外,利用竹材缠绕并通过树脂粘结固化形成的结构经过试验表明,导热系数小,具有良好的保温性能,因此不必单独设置保温层,简化结构;为保护竹材缠绕而成的承载层不易受高温破坏结构,在其内表面向内依次设置隔热层和耐热防冲刷层,耐热防冲刷层用以耐受发射筒内部弹射过程高压、高温气动热冲击,隔热层用以降低传导至承载层的温度。
优选地,所述隔热层的隔热材料是生态陶瓷,所述耐热防冲刷层与所述隔热层之间、所述隔热层与所述承载层之间均是通过胶粘剂粘接。
优选地,所述生态陶瓷为竹陶瓷或木陶瓷。
优选地,所述承载层的树脂为难燃性氨基树脂。
优选地,所述竹材是宽度为5mm-20mm,厚度为0.3mm-2mm,长度为2m-6m的竹丝。
优选地,所述竹丝含水率不高于10%。
优选地,所述竹丝拉伸强度不低于90MPa。
优选地,所述承载层的竹材缠绕方式是环向缠绕和螺旋缠绕的组合。
优选地,所述筒体还包括电磁屏蔽层,由电磁屏蔽材料制成。
优选地,所述电磁屏蔽层设置于承载层外表面。
总体而言,通过本发明所构思的以上技术方案与现有技术相比,通过采用竹复合材料制成筒体,尤其是对构成承载层的竹片尺寸、含水率、强度、缠绕方式及树脂进行具体设计,使制得的导弹发射筒筒体绿色环保、原材料资源可再生、防震、低摩擦、耐磨、隔热、耐烧蚀、耐冲刷和电磁波屏蔽。
附图说明
图1是按照本发明优选实施方式所设计的导弹发射筒筒体结构示意图;
在所有附图中,相同的附图标记用来表示相同的元件或结构,其中:
1-耐热防冲刷层,2-隔热层,3-承载层,4-电磁屏蔽层。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。此外,下面所描述的本发明各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。
图1是按照本发明优选实施方式所设计的导弹发射筒筒体结构示意图。如图1中所示,在一个实施例中,一种导弹发射筒筒体,所述筒体径向由内至外依次包括耐热防冲刷层1、隔热层2和承载层3,所述承载层3由竹材缠绕多层并通过树脂粘结固化而成,通过缠绕方式可以将竹材的轴向拉伸强度发挥至最大化,从而使缠绕出的承载层达到承力要求。竹材可以为竹片、竹篾、竹丝、竹帘等,在本实施例中,所述竹材是宽度为5mm-20mm,厚度为0.3mm-2mm,长度为2m-6m的竹丝。该尺寸范围内的竹丝比强度、比模量高,一方面提高缠绕的密实度,从而提高壳体的强度,另一方面便于树脂渗透进入竹材中,增大粘结性能,使缠绕出的承载层3力学性能好。竹丝含水率优选为不高于10%、轴向拉伸强度优选为不低于90MPa,以保证每根竹丝均具有高强度,控制其含水率以提高树脂的渗入率,提高粘结性能。在本实施例中,该树脂优选为难燃性氨基树脂,采用难燃性树脂,以增大承载层的防燃烧性能。因为经过大量试验证明,氨基树脂与竹片的浸润性最好,从而可以使得固化后得到的承载层3粘结强度高。本实施例中优选将竹丝进行环向和螺旋组合缠绕方式,以保证得到的承载层3各个方向均具有高强度。所述耐热防冲刷层1用以耐受导弹发射筒筒体内部弹射过程产生的高压、高温气动热冲击,由耐热防冲刷材料制成,具体可以为耐高温防冲刷涂料、碳纤维复合材料、高硅氧布等材料。所述隔热层2用以隔绝热量向承载层的传递,从而降低传导至承载层3的温度,保护承载层3不受高温破坏,由隔热材料制成,具体可以为耐高温树脂、生态陶瓷等材料。本实施例中,隔热材料优选为生态陶瓷,生态陶瓷的多孔结构具有优异的隔热效果,并且能够充分利用可再生资源,绿色环保。该生态陶瓷优选为竹陶瓷或木陶瓷,所述耐热防冲刷层1与所述隔热层2之间、所述隔热层2与所述承载层3之间均是通过胶粘剂粘接。
在另一实施例中,为了使导弹发射筒筒体具有电磁屏蔽的功能,在筒体结构中还设置有电磁屏蔽层4,是由具有电磁屏蔽功能的材料制成,具体可以为碳纤维复合材料、电磁屏蔽金属材料等。在本实施例中,为了使电磁屏蔽层4同时起到保护承载层不受外界环境影响性能,优选将电磁屏蔽层4设置于承载层3外表面。
下面将结合一些具体实施例来更为清楚地解释说明按照本发明的竹缠绕复合管制造工艺及其关键工艺参数设计。
实施例1
一种导弹发射筒筒体,所述筒体径向由内至外依次包括耐热防冲刷层、隔热层和承载层,所述耐热防冲刷层是喷涂的一层耐高温防冲刷材料,所述隔热层是缠绕在所述耐热防冲刷层外表面的碳纤维/环氧树脂复合材料,所述承载层是由竹片螺旋缠绕在所述隔热层外表面多层并通过酚醛树脂粘结固化而成。具体制备过程如下:
(1)芯模处理:制备导弹发射筒筒体形状的芯模,在其表面涂覆脱模剂;
(2)耐热防冲刷层成型:采用耐高温防冲刷材料如锌黄底漆在芯模上喷涂,加热固化成型,得到耐热防冲刷层;
(3)隔热层成型:采用碳纤维纱浸渍高温固化环氧树脂在耐热防冲刷层上湿法螺旋缠绕,加热固化成型,得到隔热层;
(4)承载层成型:将原竹剖分成竹片,尺寸不做限制,将竹片粘接成连续长状,浸渍酚醛树脂湿法螺旋缠绕,加热固化成型,得到承载层;
(5)脱模:将制备好的筒体从芯模上脱模,得到导弹发射筒筒体。
实施例2
一种导弹发射筒筒体,所述筒体径向由内至外依次包括耐热防冲刷层、隔热层和承载层,所述耐热防冲刷层是缠绕的碳纤维/环氧树脂复合材料,所述隔热层是粘接在所述耐热防冲刷层外表面的生态陶瓷,具体为木陶瓷,所述承载层是由多个平行排列的竹片织成竹帘后环向缠绕在所述隔热层外表面多层并通过环氧树脂粘结固化而成。具体制备过程如下:
(1)芯模处理:制备导弹发射筒筒体形状的芯模,在其表面涂覆脱模剂;
(2)耐热防冲刷层成型:采用碳纤维纱浸渍高温固化环氧树脂在芯模上湿法螺旋与环向组合缠绕,加热固化成型,得到耐热防冲刷层;
(3)隔热层成型:将木粉干燥至含水率<10%,粉碎研磨至木粉粒径在30μm以下;将酚醛树脂与木粉混合搅拌均匀,两者质量比为30~70∶70~30,得到混合物;将混合物倒入事先制备好的发射筒筒体形状环形石墨模具内,加热固化得到预烧坯体,然后将装有该预烧坯体的环形石墨模具放入裂解炉中在氮气保护下高温烧结,温度为650~1200℃,烧结制度为:升温速率为2-10℃/min,室温-200℃保温1h,200-650℃保温1h,650-800℃保温3-5h,800-1200℃保温2-5h,得到酚醛树脂强化木陶瓷内隔热层,将成型的内隔热层套装在成型的耐热防冲刷层外表面,两者之间通过高强度耐温环氧树脂胶粘剂进行粘接,得到内隔热层;
(4)承载层成型:将原竹剖分成宽度为5mm-20mm、厚度为0.3mm-2mm、长度为2m-6m的竹片,将竹片沿其宽度方向平行排列若干个,再在其长度方向缝接为连续长的竹帘,浸渍环氧树脂湿法环向缠绕在隔热层上,加热固化成型,得到承载层;
(5)脱模:将制备好的筒体从芯模上脱模,得到导弹发射筒筒体。
实施例3
一种导弹发射筒筒体,所述筒体径向由内至外依次包括耐热防冲刷层、隔热层、电磁屏蔽层和承载层,所述耐热防冲刷层是缠绕的碳纤维/环氧树脂复合材料,所述隔热层是粘接在所述耐热防冲刷层外表面的生态陶瓷,具体为酚醛树脂强化竹陶瓷,所述电磁屏蔽层是铺设在所述隔热层外表面的一层铜网,所述承载层是由多个平行排列的竹片织成竹帘后环向缠绕在所述电磁屏蔽层外表面多层并通过环氧树脂粘结固化而成。具体制备过程如下:
(1)芯模处理:制备导弹发射筒筒体形状的芯模,在其表面涂覆脱模剂;
(2)耐热防冲刷层成型:采用碳纤维纱浸渍高温固化环氧树脂在芯模上湿法螺旋与环向组合缠绕,加热固化成型,得到耐热防冲刷层;
(3)隔热层成型:将竹粉干燥至含水率<8%,粉碎研磨至竹粉粒径在30μm以下;将酚醛树脂与竹粉混合搅拌均匀,两者质量比为30~70∶70~30,得到混合物;将混合物倒入事先制备好的导弹发射筒筒体形状环形石墨模具内,加热固化得到预烧坯体,然后将装有该预烧坯体的环形石墨模具放入裂解炉中在氮气保护下高温烧结,温度为650~1200℃,烧结制度为:升温速率为2-10℃/min,室温-200℃保温1h,200-650℃保温1-2h,650-800℃保温1-5h,800-1200℃保温1-5h,得到酚醛树脂强化竹陶瓷隔热层,将成型的隔热层套装在成型的耐热防冲刷层外表面,两者之间通过环氧树脂胶粘剂进行粘接,得到隔热层;
(4)电磁屏蔽层成型:在所述隔热层外表面涂覆环氧树脂胶黏剂,将铜网铺设粘接在隔热层外表面,优选再用碳纤维/环氧树脂缠绕在铜网外表面以压实,得到电磁屏蔽层;
(5)承载层成型:将原竹剖分成宽度为5mm-20mm、厚度为0.3mm-2mm、长度为2m-6m的竹片,将竹片沿其宽度方向平行排列若干个,再在其长度方向缝接为连续长的竹帘,浸渍环氧树脂湿法环向缠绕,加热固化成型,得到承载层;
(6)脱模:将制备好的筒体从芯模上脱模,得到导弹发射筒筒体。
实施例4
一种导弹发射筒筒体,所述筒体径向由内至外依次包括耐热防冲刷层、隔热层、承载层和电磁屏蔽层,所述耐热防冲刷层是缠绕的高硅氧布/酚醛树脂复合材料,所述隔热层是耐高温树脂,本实施例中具体为酚醛树脂,所述承载层是由宽度为5mm-20mm、厚度为0.3mm-2mm、长度为2m-6m、含水率不高于10%、拉伸强度不低于90MPa的竹片通过环向和螺旋组合缠绕在所述隔热层外表面多层并通过难燃性氨基树脂粘结固化而成,所述电磁屏蔽层是缠绕在所述承载层外表面的碳纤维/环氧树脂复合材料。具体制备过程如下:
(1)芯模处理:制备导弹发射筒筒体形状的芯模,在其表面涂覆脱模剂;
(2)耐热防冲刷层成型:采用高硅氧布浸渍酚醛树脂在芯模上缠绕,加热固化成型,得到耐热防冲刷层;
(3)隔热层成型:将酚醛树脂均匀涂敷在耐热防冲刷层表面,加热固化成型,得到隔热层;
(4)承载层成型:将原竹剖分成宽度为5mm-20mm、厚度为0.3mm-2mm、长度为2m-6m的竹片,经过脱脂处理后干燥至含水率不高于10%,选取拉伸强度不低于90MPa的竹片粘接成连续长状,浸渍难燃性氨基树脂湿法环向与螺旋组合缠绕,加热固化成型,得到承载层;
(5)电磁屏蔽层成型:在所述承载层外表面采用碳纤维纱浸渍高温固化环氧树脂在芯模上湿法螺旋与环向组合缠绕,加热固化成型,得到电磁屏蔽层;
(6)脱模:将制备好的筒体从芯模上脱模,得到导弹发射筒筒体。
本领域的技术人员容易理解,以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。
Claims (1)
1.一种导弹发射筒筒体,其特征在于,所述筒体径向由内至外依次包括耐热防冲刷层、隔热层和承载层,所述耐热防冲刷层由耐热防冲刷材料制成,所述隔热层由隔热材料制成,所述承载层由竹材缠绕多层并通过树脂粘结固化而成;
所述耐热防冲刷层材料为锌黄底漆、碳纤维/环氧树脂复合材料以及高硅氧布浸渍酚醛树脂中的一种,
所述隔热层的隔热材料是生态陶瓷,所述耐热防冲刷层与所述隔热层之间、所述隔热层与所述承载层之间均是通过胶粘剂粘接,所述生态陶瓷为竹陶瓷或木陶瓷,其中,
木陶瓷隔热层的制备方法包括如下步骤:
将木粉干燥至含水率<10%,粉碎研磨至木粉粒径在30μm以下;将酚醛树脂与木粉混合搅拌均匀,两者质量比为30~70:70~30,得到混合物;将混合物倒入事先制备好的发射筒筒体形状环形石墨模具内,加热固化得到预烧坯体,然后将装有该预烧坯体的环形石墨模具放入裂解炉中在氮气保护下高温烧结,温度为650~1200℃,烧结制度为:升温速率为2-10℃/min,室温-200℃保温1h,200-650℃保温1h,650-800℃保温3-5h,800-1200℃保温2-5h;
竹陶瓷隔热层的制备方法包括如下步骤:
将竹粉干燥至含水率<8%,粉碎研磨至竹粉粒径在30μm以下;将酚醛树脂与竹粉混合搅拌均匀,两者质量比为30~70:70~30,得到混合物;将混合物倒入事先制备好的导弹发射筒筒体形状环形石墨模具内,加热固化得到预烧坯体,然后将装有该预烧坯体的环形石墨模具放入裂解炉中在氮气保护下高温烧结,温度为650~1200℃,烧结制度为:升温速率为2-10℃/min,室温-200℃保温1h,200-650℃保温1-2h,650-800℃保温1-5h,800-1200℃保温1-5h;
所述承载层是由宽度为5mm-20mm、厚度为0.3mm-2mm、长度为2m-6m、含水率不高于10%、拉伸强度不低于90MPa的竹片通过环向和螺旋组合缠绕在所述隔热层外表面多层并通过难燃性氨基树脂粘结加热固化而成,
所述筒体还包括电磁屏蔽层,由电磁屏蔽材料制成,所述电磁屏蔽层设置于承载层外表面,所述电磁屏蔽层为铜网或者碳纤维/环氧树脂复合材料层。
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