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            整套电缆桥架安装要注意什么?

            文章来源:http://www.drcrawfordndms.com/?? 作者:电缆桥架厂家?? 发布时间:2022-05-20?? 浏览次数:

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            电缆桥架作为布线工程的一个配套项目,目前尚无专门的规范指导,各生产厂家的规格程式缺乏通用性,因此,设计选型过程应根据弱电各个系统电缆的类型、数量,合理选定适用的桥架。
            As a supporting project of wiring engineering, there is no special specification and guidance at present, and the specification program of various manufacturers is lack of universality. Therefore, the design and selection process should reasonably select the applicable bridge according to the type and quantity of cables in each weak current system.
            (1)、确定方向:根据建筑平面布置图,结合空调管线和电气管线等设置情况、方便维修,以及电缆路由的疏密来确定电缆桥架的最佳路由。在室内,尽可能沿建筑物的墙、柱、梁及楼板架设,例如在利用综合管廊架设时,则应在管道一侧或上方平行架设,并考虑引下线和分支线尽量避免交叉,如无其它管架借用,则需自设立(支)柱。
            (1) Determine the direction: determine the best route of the cable tray according to the building layout, combined with the setting of air conditioning pipelines and electrical pipelines, convenient maintenance, and the density of the cable route. Indoors, it shall be erected along the wall, column, beam and floor of the building as far as possible. For example, when using the comprehensive pipe gallery, it shall be erected in parallel on one side or above the pipeline, and the downlead and branch line shall be considered to avoid crossing as far as possible. If there is no other pipe support, it is necessary to set up (support) columns by itself.
            (2)、荷载计算:计算电缆桥架主干线纵断面上单位长度的电缆重量。
            (2) Load calculation: calculate the cable weight per unit length on the longitudinal section of the main line of the cable bridge.
            (3)、确定桥架的宽度:根据布放电缆条数、电缆直径及电缆的间距来确定电缆桥架的型号、规格, 托臂的长度,支柱的长度、间距、桥架的宽度和层数。
            (3) Determine the width of cable tray: determine the model and specification of cable tray, the length of supporting arm, the length and spacing of strut, the width and layers of cable tray according to the number of cables laid, cable diameter and cable spacing.
            (4)、确定安装方式:根据场所的设置条件确定桥架的固定方式,选择悬吊式、直立式、侧壁式或是混合式,连接件和紧固件一般是配套供应的,此外,根据桥架结构选择相应的盖板。
            (4) Determine the installation method: determine the fixing method of the bridge according to the setting conditions of the site, and select the suspension type, vertical type, side wall type or hybrid type. The connectors and fasteners are generally supplied together. In addition, select the corresponding cover plate according to the bridge structure.
            济南电缆桥架
            (5)、绘出电缆桥架平、剖面图,局部部位还应绘出空间图,开列材料表。
            (5) Draw the plan and section of the cable tray, and draw the space map and list the material list for some parts.
            2、如与电力电缆桥架合用时,应将电力电缆和弱电电缆各放置一侧,中间采用隔板分隔。
            2. If it is used together with the power cable bridge, the power cable and weak current cable shall be placed on one side respectively, and the middle shall be separated by partition.
            3、弱电电缆与其它低电压电缆合用桥架时,应严格执行选择具有外屏蔽层的弱电系统的弱电电缆,避免相互间的干扰。
            3. When the weak current cable and other low-voltage cables share the bridge, the weak current cable of the weak current system with external shielding layer shall be strictly selected to avoid mutual interference.
            1.2、电缆桥架安装和桥架内电缆敷设,应按已批准的设计文件施工。
            1.2 cable tray installation and cable laying in the tray shall be constructed according to the approved design documents.
            1.3、由支、吊、托架支撑的托盘(槽)或梯架直线段、弯通非直线段组合而成,敷设电缆具有连续性的刚性结构系统,为电缆桥架。
            The cable tray or tray is a straight-line support system rather than a straight-line support system.
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