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电缆附件安装的要求是啥？

电缆附件安装的要求是啥？

浏览：42次 | 提问时间： 06-22 03:07

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不知疲倦的昨天 06-22 03:08

电缆附件安装要求：1单芯电缆如果是铜丝屏蔽，则用裸铜丝绑扎后再将屏蔽铜丝翻向后面，留作过桥线。2对于单相的直埋敷设，不能用铁磁材料作保护盒，建议用玻璃钢或硬质塑料保护盒。与传统的电缆附件施工工艺不同，预制式电缆附件施工工艺复杂，工技术难度较大，它的安装程序和工艺要求不容易被施工人员熟练握，施工中普遍存在这样或那样的问题，是影响电缆分支箱正确安装与安全运行的主要因素。电缆在安装的时候需要通过各种技术手段来确定电缆附件长度，对复检长短合适、平齐，防止因过长或过短相电缆产生较大的推力或拉力，导致固定的T型电缆接头与电缆或电缆分接箱出线套管接触不良，避免电缆分接箱出线套管因受力导致漏气。电缆分接箱基础内必须安装电缆固定支架，电缆三心分相处以下在支架上进行固定处理，同时应采取措施保证三叉头在接线柱的正下方，确保不发生分接箱内电缆及附件受到下拉力，这样可以有效避免电缆分接箱出线套管因受力导致漏气现象的发生。3将导体连接管套在剥切长端电缆线芯导体上，先压接好，除去毛刺和飞边，清除金属屑末，用清洁布擦净电缆绝缘表面、半导电层表面及导体连接管表面。4预套接头预制件。先在剥切长端电缆绝缘表面、半导电层表面及接头预制件内孔均匀地涂―层硅脂，然后套在该线芯上，直到电缆绝缘从预制件另一端露出时为止。5压接另一端线芯。将接头外护套管套在剥切短端―4电缆上，并在每相线芯上分别套E屏蔽铜丝网，再将短端电缆每相线芯导体分别插入已压接在长端电缆每相线芯-9-～～的连接管内，进行压接，除去飞边和毛刺，用清洁布擦净电缆绝缘表面、半导电层表面及导体连接管表面。6将接头预制件移到接头位置。在短端电缆绝缘表面上均匀地涂一层硅脂，然后将领套在长端电缆线芯上的接头预制件拉到接头位置，要保证预制件内两端的应力锥半导电层正好分别搭盖在两端电缆绝缘外半导电层末端上，具体尺寸按制造厂提供的安装说明书规定。7在电缆线芯绝缘半导电层与预制YC--～导电层搭接处包绕半导电自粘带，以形成连续的锥形过渡面。8将屏蔽铜丝网移到接头中间位置，均匀地向两端拉伸，使其紧贴在预制件接头表面上，两端绑扎并焊接在电缆屏蔽铜带上。也可用缠绕方式施加屏蔽铜丝网。.9将三相接头捏拢，再将过桥线(镀锡编织铜线)分别绑扎在接头两端电缆的钢带和三个线芯屏蔽钢带上，并焊牢。用白纱带或PVC带绑扎三相接头，并用填料填充三相间隙处，以使其尽可能圆整。

既然选择离开又何必再回头 06-22 03:16

安徽富邦装饰为你解答：1.线芯连接要好2.绝缘性能3.密封性能4.良好的机械强度5.检查电缆的受潮情况，特别应检查线芯是否进水6.半导电层断面应光滑平整，与绝缘层的过渡应光滑

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