光電纜通信用硅芯管對接頭技術措施
硅芯(xin)管(guan)(guan)是(shi)內壁帶有(you)硅膠質固體潤滑劑的新(xin)型(xing)復合管(guan)(guan)道,它不僅密封(feng)(feng)性(xing)(xing)能(neng)好,還耐化學(xue)腐蝕,因(yin)為工程造價而(er)低被廣泛應用(yong)(yong)于(yu)光電纜通(tong)信網(wang)絡系統中。在利用(yong)(yong)硅芯(xin)管(guan)(guan)鋪設光電纜時(shi),是(shi)需要將(jiang)多根硅芯(xin)管(guan)(guan)進(jin)行拼(pin)接的。現有(you)的拼(pin)接方式在安裝時(shi)需首先將(jiang)硅芯(xin)管(guan)(guan)兩(liang)(liang)端(duan)切(qie)平,再利用(yong)(yong)特制(zhi)的接頭(tou)將(jiang)兩(liang)(liang)硅芯(xin)管(guan)(guan)的端(duan)頭(tou)對(dui)接,現有(you)的接頭(tou)通(tong)常是(shi)由端(duan)帽、彈(dan)性(xing)(xing)卡圈、墊圈、橡膠密封(feng)(feng)圈、連接絲桿組裝而(er)成,由于(yu)接頭(tou)不能(neng)確(que)保密封(feng)(feng)性(xing)(xing),還需利用(yong)(yong)堵頭(tou)將(jiang)硅芯(xin)管(guan)(guan)兩(liang)(liang)端(duan)密封(feng)(feng)。
光電纜通信用硅(gui)(gui)芯(xin)(xin)管(guan)是由(you)高密(mi)度聚乙烯(xi)制(zhi)成(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)外(wai)(wai)層(ceng)(ceng)(ceng)(ceng)(ceng)和均(jun)(jun)勻(yun)涂抹在(zai)外(wai)(wai)層(ceng)(ceng)(ceng)(ceng)(ceng)內(nei)壁上由(you)硅(gui)(gui)膠質固體潤滑劑構(gou)成(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng),外(wai)(wai)層(ceng)(ceng)(ceng)(ceng)(ceng)與(yu)(yu)(yu)硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)軸向(xiang)(xiang)錯位設置,硅(gui)(gui)芯(xin)(xin)管(guan)一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)于外(wai)(wai)層(ceng)(ceng)(ceng)(ceng)(ceng)與(yu)(yu)(yu)硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)之(zhi)間設有外(wai)(wai)露于硅(gui)(gui)芯(xin)(xin)管(guan)端(duan)(duan)(duan)(duan)部的(de)(de)(de)(de)(de)(de)(de)(de)中空的(de)(de)(de)(de)(de)(de)(de)(de)圓錐臺(tai)形的(de)(de)(de)(de)(de)(de)(de)(de)接頭(tou)(tou),硅(gui)(gui)芯(xin)(xin)管(guan)另一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)于外(wai)(wai)層(ceng)(ceng)(ceng)(ceng)(ceng)與(yu)(yu)(yu)硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)之(zhi)間設有向(xiang)(xiang)硅(gui)(gui)芯(xin)(xin)管(guan)內(nei)部延(yan)伸(shen)的(de)(de)(de)(de)(de)(de)(de)(de)與(yu)(yu)(yu)接頭(tou)(tou)配合的(de)(de)(de)(de)(de)(de)(de)(de)插接口。接頭(tou)(tou)自設置在(zai)外(wai)(wai)層(ceng)(ceng)(ceng)(ceng)(ceng)與(yu)(yu)(yu)硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)之(zhi)間的(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)的(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)向(xiang)(xiang)另一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)遞(di)減,接頭(tou)(tou)直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)較(jiao)小一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)的(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)與(yu)(yu)(yu)硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)內(nei)徑(jing)(jing)(jing)(jing)(jing)(jing)相等。進(jin)一(yi)(yi)(yi)步插接口自其設置在(zai)外(wai)(wai)層(ceng)(ceng)(ceng)(ceng)(ceng)與(yu)(yu)(yu)硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)之(zhi)間的(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)向(xiang)(xiang)另一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)遞(di)減,插接口直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)較(jiao)小一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)的(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)與(yu)(yu)(yu)硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)內(nei)徑(jing)(jing)(jing)(jing)(jing)(jing)相等。接頭(tou)(tou)與(yu)(yu)(yu)插接口均(jun)(jun)由(you)高密(mi)度聚乙烯(xi)制(zhi)成(cheng)(cheng)(cheng),硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)延(yan)伸(shen)至接頭(tou)(tou)直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)較(jiao)小的(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)端(duan)(duan)(duan)(duan),硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)另一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)與(yu)(yu)(yu)插接口直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)較(jiao)小的(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)接觸。接頭(tou)(tou)與(yu)(yu)(yu)插接口直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)較(jiao)大的(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)端(duan)(duan)(duan)(duan)的(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)徑(jing)(jing)(jing)(jing)(jing)(jing)均(jun)(jun)等于硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)內(nei)徑(jing)(jing)(jing)(jing)(jing)(jing)加上1/2的(de)(de)(de)(de)(de)(de)(de)(de)外(wai)(wai)層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)外(wai)(wai)徑(jing)(jing)(jing)(jing)(jing)(jing)與(yu)(yu)(yu)硅(gui)(gui)芯(xin)(xin)層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)內(nei)徑(jing)(jing)(jing)(jing)(jing)(jing)之(zhi)差。
華(hua)脈(mo)通信用硅芯管通過在兩端設置相互吻合的插頭與插接口,使得兩硅芯管在拼接時,只需將其中一根硅芯管的插頭插入到另一根硅芯管的插接口內,在插頭與插接口的接觸處包裹上密封圈即可,此工藝簡單、易操作,同時兩硅芯管之間的密封性較好。
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