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消防頭盔 我有新說法
1900 0


消防頭盔由盔殼、面罩、披肩、緩沖層等部分組成,半盔式設計,款式新穎,具備防尖銳物品沖擊、防腐蝕、防熱輻射、反光、絕緣、輕便等性能,頭盔內可佩戴空氣呼吸器和無線通訊系統,有明顯的反光標志。

起源介紹

消防頭盔來源于古代武士的頭盔。古時一次兩軍交戰,箭矢如梭,大部分武士在箭矢下慘遭傷亡,伙夫平安無恙。這是怎么回事呢?原來這些伙夫是頭頂軍鍋行動的。帳中元帥聞知,遂下令武士用銅、鐵等金屬,仿照炊事用的鐵鍋制成一種叫“胄”的護頭帽子,供武士們在戰場上使用,果然大大減少了傷亡。后來因銅鐵不足,人們就用老藤和皮革之類作原料,并稱這種帽為“盔”。

1800年,德國柏林市的消防隊員們,頭戴一種銅盔,頂上有一個尖形的錐體。據說是為了防止上方掉下來的物體砸傷消防隊員的頭部,頭盔上的錐體可以將掉在上面的重物分拔到別處去。1850年,法國巴黎消防隊員頭戴的銅盔上有一個凸出的彎條型空室,對上面掉下來的物體,能起到減壓的作用。中國清代消防隊,頭盔上鑲嵌著裝飾,也是起減壓作用的。

直到19世紀初,法國制作了一種鋼盔,鋼盔里面做一個皮套,作為襯體,用于消防頭盔,防護效果較好。與此同時,德國消防隊制出一種比法國頭盔多一件后沿軟體的頭盔。這個軟體是不燃織物,這除了減壓作用外,還可以阻擋上面掉下來的燃燒物體,不使其掉進消防員的脖頸里。

科技成果

隨著科學技術的發展,老式頭盔的防護力和適應性已不能適應現代消防工作的要求。因此,許多國家研制了新式復合材料頭盔。我國原用的消防頭盔,帽型沿用了部隊的鋼盔形式,材料為酚醛玻璃鋼。隨后又增設了內插式防護面罩及組合式防水披肩,從而提高了防火隔熱性能。后又改進了帽襯,增大了帽頂安全間距,提高了抗沖擊吸收性能。

1984年11月,中國研制生產的新型消防頭盔,外形美觀,結構設計合理,重量輕、耐沖擊、防輻射熱、防水、防風沙、防腐蝕。帽殼采用單筋陪襯式,用聚碳酸酯注塑成型,內腔寬敞豐滿,前額呈“八”字型,既可增強帽殼剛性,提高抗沖擊性能,又可減輕重量。有的帽殼上還貼有熒光識別標志,便于消防員在黑暗環境中或夜間互相尋找和聯絡。

值得一提的是,印度洋一些島國,利用椰子殼做成的頭盔,經久耐用。荷蘭阿姆斯特丹應用科學研究所曾對收集到的世界各國頭盔進行沖擊試驗。結果,最結實、最牢固的就是印度洋諸島上的這種椰殼頭盔。其特殊的纖維結構,在抗沖擊方面比特種材料更勝,多種外力撞擊,椰殼頭盔都未破裂。

發展過程

自從創建消防隊以來,如何設計一種帽子來保護消防隊員的頭部,早在1720年就作為一個尚待解決的問題提出來了。

1812年,消防頭盔的外形有了明顯的變化。1815年恢復政體后,頭盔的銘牌上又刻上了巴黎城到了1822年,巴黎消防部隊的頭盔又有了歷史性的變化。例如在1830年,頭盔上用鉚釘加上了一塊“金雞”的銘牌,并一直保持到1847年。1852年,換上了新的頭盔。無論從外觀和尺寸上看,這種頭盔比原先要時髦,皇朝的“雄鷹”又替代了“金雞”。這塊銘牌由2個銅制的鉚釘裝在頭盔上。

1855年,一個新的頭盔投入使用。這個頭盔裝飾了翎毛,但卻取消了可活動的帽舌。1895年,消防頭盔上的銘牌,由于原來較易脆碎,故作了加強。1903年,一個新的銘牌產生了,它代替了原來刻有“巴黎消防隊”的銘牌,取而代之的是一種新穎的巴黎城城徽。這個銘牌一直延用到1933年。

1933年巴黎消防隊所使用的頭盔,其材質已是鋼的了。這種頭盔,對于參加滅火戰斗的消防隊員來講,無論對其面部,耳部,頸部的保護,都有缺陷。從50年代未起,有關部門開展了對消防頭盔的改革研究,特別是針對消防隊員眼部的保護。在70年代時,對頭盔的制作材料,也進行了廣泛的研究,力求做到既輕又堅固。

1985年1月1日,對于巴黎消防隊來說是一個值得紀念的日子。從這一天開始,自1935年開始以來用的消防頭盔遭到淘汰,一個新的消防頭盔正式投入使用。

性能特點

◆ 防撞擊,尤其去頭頂墜落物撞擊防護性能優良。從外殼到佩戴者頭部共有高強殼體、高密度泡沫、緩沖寬十字帶及帽箍Ⅰ和均力緩沖網及帽箍Ⅱ共四級減震結構,最大限度地減緩撞擊強度和對頭骨的局部沖擊。

◆ 抗高溫性能優良,由于殼體采用增強聚酰胺纖維,并經阻燃處理,帽圈采用塑鋼材料對殼體外形整體支持,面屏采用耐高溫PC復合材料,披肩采用防護服面料加防熱輻射涂層,雙層結構,因此其耐高溫性能優良。

◆ 防護更加全面,增加對耳部、后腦部的防護,頭部固定到帽圈狀態時,頭骨各部位離頭盔殼體空間均保持在3cm以上,并在帽圈內部增加舒適彈性緩沖層,確保意外撞擊不會造成頭骨任何部位直接受力。

◆ 內外多級調節,與戴者頭部結合緊密,配重合理,重心穩定,帽圈緊度調整由盔體后部的外置式旋扭控制,可在不摘頭盔的情況下,任意調節,適應中國人的各種頭型。

◆ 佩戴舒適,由于頭頂采用均力網、多級調節帽圈、帽圈與下頜帶與皮膚接觸部位均采用柔軟優質的輕羊皮材料,吸汗透氣,舒適合體,而下頜帶采用阻燃的非棉織帶,柔軟、快干,不會在長時間濕熱狀態下引起皮膚過敏。

參考資料

參考資料編輯區域


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