煤礦用特種通信電纜 Mining Communication Cable for Special Purposes
一、執(zhí)行標(biāo)準(zhǔn)
MT818.14-1999、Q/YZJX006-2014及Q/YZJX008-2016
Execution standard
MT818.14-1999,Q/YZJX006-2014ａnd Q/YZJX008-2016
二、電纜型號和名稱及用途見下表 Cable types and USES ofthe name and see the table below
表1 table 1
表2 table 2
三、主要性能指標(biāo)Main performanceindicators
表3 table3
1.電纜導(dǎo)體結(jié)構(gòu)及直流電阻應(yīng)符合表3的要求
2.耐交流電壓應(yīng)經(jīng)受1min、1.5kV交流電壓試驗(yàn)不擊穿:
3.20C時絕緣電阻5000MQ.km
4.電纜阻燃性通過MT/T386-2011試驗(yàn)。
1.The cable conductor structure and dc resistance should conformto the requirements of table 3;
2.Ac voltage resistance should be subjected to 1 min, 1.5 kV ac
voltage testnot breakdown:
3.The insulation resistance when 20C 5000 MQ.km4.The flame retardant cable by MT/T386-2011 test.
四、命名代號 Namecode
煤礦用通信電纜 Coalmining in communication cable'...............................................................................MH
質(zhì)線態(tài) Copper wre Core maaaa.............................................................................................................省略omit
聚飛烯絕緣Polvethyleneinsulation........................................................................................................................Y
87醫(yī)護(hù)套PVCSheathedumauumouamaurmmauanmmauanuumaa.........................................................V
編織屏蔽 Braided shielding.....................................................................................................................................P
細(xì)圓鋼絲鎧裝、聚氣乙烯外護(hù)套Fineroundsteel wirearmouredａnd PVCsheathedoutside................32
五、產(chǎn)品結(jié)構(gòu)示意圖 Product structure diagram
六、電纜的安裝與敷設(shè)
1.電纜長期允許工作溫度為-40~+50℃，月平均相;
對**濕度為95%(+25℃時);
2.電纜允許敷設(shè)與安裝的溫度應(yīng)不低于-10%℃;
3.電纜最小彎曲半徑:無鎧裝的電纜為電纜外徑的10倍，有鎧裝的電纜為電纜外徑的15倍。
Theinstallation ofthe cable laying
Long-term allowed working temperature of cable - 40-+50℃，thebiggest monthly average relative humidity of 95%(+ 25℃):
2. The cable and installation of the allowed temperature should be notless than 10℃；
3.The minimum bending radius: no armoured cable to 10 times thecable diameter armored cable for 15 times of cable diameter.
