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山东桥架布线具体操作步骤

文章来源:/   作者:电缆桥架厂家发布时间:2024-02-08 浏览次数:1

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一、敷设距离桥架内电缆垂直敷设时,注意其上端每隔1.50~2m敷设一次; 水平敷设时,每隔电缆颈、尾两端、转弯及5~10m。 当组0在同一高度平行设备上时,各相邻0之间应考虑保护、检修间隔。水平设备时,离地高度一般不宜小于2.50m。 垂直设备时,地面以下1.80m处用金属套保护,敷设在电气专用房间(配电室、电气竖井、技术层等)内时在外面。 对于0水平设备,宜采用荷载曲线泄放支撑。 跨度通常为1.5~3m,也可以制作大跨度桥梁8m。 另外,垂直铺设时,其固定点间隔不得超过2m。 可无间距敷设电缆,桥架内横断面的电缆填充率:电力电缆不应超过40%; 控制电缆请控制在一半以下。 0与各种管道平行或者交叉的,其小净距应当符合有关规定。

1、 When laying cables vertically within the cable tray, pay attention to laying the upper end every 1.50-2m; When laying horizontally, every cable neck, tail end, turn, and 5-10m. When group 0 is on parallel equipment at the same height, protection and maintenance intervals should be considered between adjacent 0. When using horizontal equipment, the ground clearance should generally not be less than 2.50m. When installing vertical equipment, a metal sleeve should be used to protect the area 1.80m below the ground, and when installed in electrical dedicated rooms (distribution rooms, electrical shafts, technical floors, etc.), it should be placed outside. For level 0 equipment, it is advisable to use load curve release support. The span is usually 1.5-3m, and a large-span bridge of 8m can also be made. In addition, when laying vertically, the spacing between fixed points shall not exceed 2 meters. Cable can be laid without spacing, and the cable filling rate in the cross section of the bridge should not exceed 40% for power cables; Please control the cable below half. If 0 is parallel or intersecting with various pipelines, its small clear distance should comply with relevant national regulations.

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二、有异常的电缆或电压,不得敷设在同一层桥架上。例如,有lkV以上和1kV以下异常电压的电缆、经同一路径向一次负载供电的双路电源电缆异常用途电缆、应急照明和其他照明电缆,或者强电和弱电电缆,不得敷设在同一层桥架上,受条件限制设备在同一层桥架的,应当用隔板隔离。

2、 Any abnormal cables or voltages shall not be laid on the same layer of cable tray. For example, cables with abnormal voltages above 1kV and below 1kV, dual power cables supplying power to a load through the same path, cables for abnormal purposes, emergency lighting and other lighting cables, or strong and weak current cables shall not be laid on the same layer of bridge. If they are limited by conditions and installed on the same layer of bridge, they should be isolated with partitions.

三、防护方法室内选用电缆接线时,其电缆不应有黄麻或其他易燃材料的外层保护层; 在有腐蚀或罕见湿润的地方使用电缆接线时,应根据腐蚀介质的异常情况采用相应的防护方法。 桥架使用耐腐蚀的热镀锌桥架时,应使用塑料护套电缆。请勿安装在腐蚀性气体配管和热配管的上方及腐蚀性液体配管的下方,条件有限时请务必采用防腐、隔热方法。

3、 When selecting cable wiring indoors, the cable should not have an outer protective layer of jute or other flammable materials; When using cable wiring in areas with corrosion or rare moisture, corresponding protective methods should be adopted according to the abnormal situation of the corrosive medium. When using corrosion-resistant hot-dip galvanized cable trays, plastic sheathed cables should be used. Do not install above corrosive gas piping and hot piping, or below corrosive liquid piping. When conditions are limited, be sure to use anti-corrosion and insulation methods.

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The above article is shared by Jinan Suxin Cable Tray Co., Ltd. Shandong Cable Tray. For more content, please follow us:

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