CN203773982U - 一种耐火抗拉电缆 - Google Patents

一种耐火抗拉电缆 Download PDF

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Publication number
CN203773982U
CN203773982U CN201420122795.9U CN201420122795U CN203773982U CN 203773982 U CN203773982 U CN 203773982U CN 201420122795 U CN201420122795 U CN 201420122795U CN 203773982 U CN203773982 U CN 203773982U
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陈建平
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ANHUI JINYANG ELECTRICAL TECHNOLOGY DEVELOPMENT Co Ltd
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ANHUI JINYANG ELECTRICAL TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

本实用新型公开了一种耐火抗拉电缆,包括主导体和控制线芯,所述主导体外侧依次设有高弹性模数乙丙橡胶绝缘层和屏蔽层,所述控制线芯由三个控制导体及其外侧的绝缘层束绞后外侧设有屏蔽层所构成,在主导体与控制线芯之间设有Z字形硅橡胶骨架及外侧依次包覆有半导电胶体纤维带绕包层、不锈钢带内搭扣式联锁铠装层、黄铜带防腐层和纳米级聚烯烃耐火护套,所述Z字形硅橡胶骨架的左右两侧均设有主导体,两侧主导体附近分别设有钢丝绳和由绝缘层包覆的接地导体,所述Z字形硅橡胶骨架上下端均设有三个控制线芯,Z字形硅橡胶骨架的尖角处设有填充料。本实用新型提高了电缆的耐火性能、隔热性能和抗拉性能,经济实用,安全可靠。

Description

一种耐火抗拉电缆
技术领域
    本实用新型涉及电缆技术领域,尤其涉及一种耐火抗拉电缆。
背景技术
    目前,一些公共场所建筑、高层、特大型建筑需要采用环保型阻燃、耐火电缆,以预防在发生火灾时,能保障在预定的时间内供电线路正常供电,且不会因为燃烧而产生有毒有害气体,这样就要求重要线路必须采用安全可靠的防火型电缆。
实用新型内容
本实用新型目的就是为了弥补已有技术的缺陷,提供一种耐火抗拉电缆。
本实用新型是通过以下技术方案实现的:
一种耐火抗拉电缆,包括主导体和控制线芯,所述主导体外侧依次设有高弹性模数乙丙橡胶绝缘层和屏蔽层,所述控制线芯由三个控制导体及其外侧的绝缘层束绞后外侧设有屏蔽层所构成,在主导体与控制线芯之间设有Z字形硅橡胶骨架及外侧依次包覆有半导电胶体纤维带绕包层、不锈钢带内搭扣式联锁铠装层、黄铜带防腐层和纳米级聚烯烃耐火护套,所述Z字形硅橡胶骨架的左右两侧均设有主导体,两侧主导体附近分别设有钢丝绳和由绝缘层包覆的接地导体,所述Z字形硅橡胶骨架上下端均设有三个控制线芯,Z字形硅橡胶骨架的尖角处设有填充料。
本实用新型的优点是:本实用新型提高了电缆的耐火性能、隔热性能和抗拉性能,经济实用,安全可靠。
附图说明
    图1为本实用新型的结构示意图。
具体实施方式
如图1所示,一种耐火抗拉电缆,包括主导体1和控制线芯,所述主导体外侧依次设有高弹性模数乙丙橡胶绝缘层2和屏蔽层3,所述控制线芯由三个控制导体4及其外侧的绝缘层5束绞后外侧设有屏蔽层6所构成,在主导体与控制线芯之间设有Z字形硅橡胶骨架7及外侧依次包覆有半导电胶体纤维带绕包层8、不锈钢带内搭扣式联锁铠装层9、黄铜带防腐层10和纳米级聚烯烃耐火护套11,所述Z字形硅橡胶骨架的左右两侧均设有主导体,两侧主导体附近分别设有钢丝绳12和由绝缘层13包覆的接地导体14,所述Z字形硅橡胶骨架上下端均设有三个控制线芯,Z字形硅橡胶骨架的尖角处设有填充料15。

Claims (1)

1.一种耐火抗拉电缆,其特征在于:包括主导体和控制线芯,所述主导体外侧依次设有高弹性模数乙丙橡胶绝缘层和屏蔽层,所述控制线芯由三个控制导体及其外侧的绝缘层束绞后外侧设有屏蔽层所构成,在主导体与控制线芯之间设有Z字形硅橡胶骨架及外侧依次包覆有半导电胶体纤维带绕包层、不锈钢带内搭扣式联锁铠装层、黄铜带防腐层和纳米级聚烯烃耐火护套,所述Z字形硅橡胶骨架的左右两侧均设有主导体,两侧主导体附近分别设有钢丝绳和由绝缘层包覆的接地导体,所述Z字形硅橡胶骨架上下端均设有三个控制线芯,Z字形硅橡胶骨架的尖角处设有填充料。
CN201420122795.9U 2014-03-18 2014-03-18 一种耐火抗拉电缆 Expired - Fee Related CN203773982U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107945914A (zh) * 2017-11-24 2018-04-20 安徽国华电缆集团有限公司 一种氟塑料耐高温电力电缆

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107945914A (zh) * 2017-11-24 2018-04-20 安徽国华电缆集团有限公司 一种氟塑料耐高温电力电缆

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