CN2174770Y - 柔性铠甲护套矿用高压电缆 - Google Patents

柔性铠甲护套矿用高压电缆 Download PDF

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CN2174770Y
CN2174770Y CN 93228868 CN93228868U CN2174770Y CN 2174770 Y CN2174770 Y CN 2174770Y CN 93228868 CN93228868 CN 93228868 CN 93228868 U CN93228868 U CN 93228868U CN 2174770 Y CN2174770 Y CN 2174770Y
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于力
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Abstract

本实用新型涉及矿山采掘设备专用移动式电力 电缆,在主芯线之间设置星形垫,监控线,还有桃形钢 甲卡簧,紧固螺钉、螺母、矿缆伸缩缝等使电缆抗冲 压、耐挤压,抗拉抗剪,耐磨可挠性能大大提高,同时 又便于敷设维修与更换,适用于矿山采场移动式安全 输电作业。

Description

本实用新型涉及矿山采掘设备移动式电力电缆。
目前国内外矿山使用的动力软电缆多为橡套电缆,如UG6000/UGF6000等其国标为GB1170-74和JB1073-74。由于矿山采场工况恶劣电缆经常遭到矿岩倾落和爆破飞石冲击或巨石和矿车挤压而导致电缆破裂、绝缘失效、电线损伤而发生相间短路或接地事故,因此矿用橡套电缆破损及事故率很高。
本实用新型的目的在于:提供一种抗冲击,耐挤压,耐磨可挠性好,便于敷设及维修的柔性铠甲护套矿用高压电缆。
本实用新型是在三根主芯线之间设置一个星形垫,星形垫两翼端部的开放性孔道中各设置一条监控线,每根主芯线的外部设有绕包的增韧中护层,增韧中护层与星形垫的外部沿电缆轴向套有分段设置的桃形开口状钢甲卡簧,每段桃形钢甲卡簧由设在底部的紧固螺钉和螺母连接紧固。
本实用新型具有抗冲击,耐挤压,弯曲,耐磨,抗拉抗剪易维修等优点。
附图1是本实用新型的结构主视图;
附图2是本实用新型的外型结构侧视图。
“25×3+2”电缆实施例:
主芯线(1)选用6KV25平方毫米氯磺化聚乙烯绝缘高压引接线或乙丙橡胶绝缘氯丁胶护套高压引接线。监控线(2)选用聚乙烯绝缘铜芯软导线,外部用绵纶浸胶帘子布带将三相主芯线(1)分相绕包形成矿缆增韧中护层(3),增韧中护层(3)厚约2毫米左右。星形垫(4)采用增强改性PP注塑成型,两翼端部的开放性孔道为φ4毫米,监控线(2)的直径一般为φ3.5毫米。桃型钢卡簧(5)采用1毫米左右60Si2MnA弹簧钢带冲压冷弯成型经热处理后表面再作发黑处理。经紧固螺钉(6)、螺母(7)紧固。每节桃型钢甲卡簧(5)长度为主芯线(1)线径的1.2~2倍为宜。矿缆伸缩缝(8)约1.5毫米左右,每根矿缆长度为250米。出现故障时可通过监控线(2)配合专用电气开关切断故障电缆的电源,并可随时更换每节桃型钢甲卡簧(5)。

Claims (1)

1、一种柔性铠甲护套矿用高压电缆,它包括电缆芯线,中护层和铠甲护套,其特征在于:在三根主芯线之间设置一个星形垫;星形垫的两翼端部的开放性孔道中各设置一条监控线;每根主芯线的外部设有绕包的增韧中护层,增韧中护层与星形垫的外部套有沿电缆轴向分段设置的桃形开口状钢甲卡簧,每段桃形钢甲卡簧由设在底部的紧固螺钉和螺母连接紧固。
CN 93228868 1993-07-27 1993-07-27 柔性铠甲护套矿用高压电缆 Expired - Fee Related CN2174770Y (zh)

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CN 93228868 CN2174770Y (zh) 1993-07-27 1993-07-27 柔性铠甲护套矿用高压电缆

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CN 93228868 CN2174770Y (zh) 1993-07-27 1993-07-27 柔性铠甲护套矿用高压电缆

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CN2174770Y true CN2174770Y (zh) 1994-08-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108766654A (zh) * 2018-05-29 2018-11-06 吴革洪 三角复合电缆
CN111564246A (zh) * 2020-05-15 2020-08-21 中东线缆制造有限责任公司 一种耐高温线缆及其生产工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108766654A (zh) * 2018-05-29 2018-11-06 吴革洪 三角复合电缆
CN111564246A (zh) * 2020-05-15 2020-08-21 中东线缆制造有限责任公司 一种耐高温线缆及其生产工艺

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