产品与服务

PRODUCT & SERVICE

产品列表

特种电缆 通用橡套电缆 聚氯乙烯绝缘电线电缆和软线 煤矿用电缆 交联聚乙烯绝缘电力电缆 风力发电专用电缆 聚氯乙烯电力电缆 架空绝缘电缆 铝绞线及钢芯铝绞线 平行集束架空绝缘电缆 无卤低烟阻燃环保电线 低烟无(低)卤阻燃、耐火电线电缆 控制电缆 轨道交通电缆 铝合金电缆 柔性防火电缆
收缩
额定电压0.3/0.5KV煤矿用电钻电缆
所属分类:煤矿用电缆
  • 用途 Usage

    一、执行标准 Executive standard: MT818.8-2009

    二、用途 Usage

    本产品为矿用橡套软电缆系列产品。适用于煤矿井下额定电压 0.3/0.5KV及以下电钻用的电源连接线。
    The product is the 7th series product of the mining rubber flexible cable.It was suitable for thd ratecl voitag 0.3/0.5KV and below power conected lines for the drtlling in the coal mining well.

    三、使用条件 Exploitation conditions

    线芯长期允许工作温度为 65℃,电缆的最小弯曲半径为电缆直径的6倍。
    Working temperature of the core is 65 .Its smallest bending radius is six times of the size of the cable diameter.

    四、型号、名称(见表1)Model and name:(see table 1)

    表1table 1

    型号Model 名称Name
    MZ-0.3/0.5 煤矿用电钻电缆 Mine drlling cable
    MZP-0.3/0.5 煤矿用屏蔽电钻电缆 Mine shielded power cable

    五、规格及结构尺寸(见表2)specification size:(see table 2)

    表2 table 2

    芯数×标称截面core ×nominal section
    (mm2)
    导体结构根数/单线标称直径number diameter
    of core (mm)
    动力线芯绝缘标称厚度power core
    insulation nominal
    thickness
    (mm)
    护套标称厚度nominal sheath
    thickness
    (mm)
    电缆外径cable outer dia (mm)
    MZ-0.3/0.5 MZP-0.3/0.5
    动力线芯 地线芯 控制线芯 最小值min 最大值max 最小值min 最大值max
    3×2.5 1×2.5 - 77/0.20 1.0 3.5 16.5 19.5 19.5 23.0
    3×4 1×4 - 126/0.20 1.0 3.5 17.5 21.5 21.0 24.5
    3×2.5 1×2.5 1×2.5 77/0.20 1.0 3.5 17.5 21.0 21.0 24.5
    3×4 1×4 1×4 126/0.20 1.0 3.5 19.0 23.0 22.5 26.5

    六、技术要求 Technology property

    1.成品电缆导体直流电阻符合表3的要求。

    表3table 3

    动力线芯标称截面power core nominal section(mm2) 20℃时导体电阻(Ω/km) 动力线芯标称截面power core nominal section(mm2) 20℃时导体电阻(Ω/km)
    2.5 ≤8.82 4.0 ≤5.39

    2.橡皮绝缘动力线芯20℃时的绝缘电阻2.5mm²不小于350MΩ.KM;4mm²不小于300MΩ.KM。
    3.成品电缆具有机械挤压和机械冲击性能以及抗弯曲性能。
    4.护套抗张强度大于11.0 N/mm²,断裂伸长率大于 250%。
    5.额定电压 0.3/0.5KV 产品能经受工频 2.0KV/5min 耐压不击穿。
    6.产品的阻燃性能达到 MT/T386-2011 规定的全部燃烧试验的要求。


    2 The insulation resistance of rubber sheathed power conductor is not less than 160MΩ· km at 20℃ .
    3 The finished cable has the mechanical extrusion performance, mechanical impact performance and bending resistance performance.
    4 The tensile strength of sheath is larger than 11.0N/mm2, the elongation at break is larger than 25%.
    5 The product of rated voltage up to 0.3/0.5kV can bear the test at power frequency withstand voltage of 2.0kV for 12min, without breakdown.
    6 The flame-retardant property can meet the requirements of total burning tests specified as the standard of MT/T386-2011.


    用途 Usage产品PDF
    返回顶部

    亚博yabo