如何更好更快的安装桥架，小编结合多年的项目实施经验，在这里为大家提供一些优化思路和步骤。

How to better and faster install the bridge? Based on many years of project implementation experience, I will provide you with some optimization ideas and steps here.

方向：

Direction:

根据项目平面图，结合空调管道和电气管道的设置、维护方便、走线的密度，确定电缆桥架的佳走线。在室内，应尽量沿建筑物的墙、柱、梁、楼板架设。如果采用综合管廊，应在管道的一侧或上方平行架设，并应考虑引下线和支线，尽量避免交叉。如果没有其他管架可以借用，则需要自行架设（支撑）立柱。

According to the project plan, the optimal routing of cable tray shall be determined in combination with the setting, convenient maintenance and routing density of air conditioning pipes and electrical pipes. Indoor, it shall be erected along the wall, column, beam and floor of the building as far as possible. If the integrated pipe gallery is adopted, it shall be erected in parallel on one side or above the pipeline, and the down lead and branch line shall be considered to avoid crossing as far as possible. If there is no other pipe support to borrow, the column shall be erected (supported) by itself.

负载计算：

Load calculation:

计算江南app官方入口在哪里看到 干线剖面上每单位长度的电缆重量。

Calculate the cable weight per unit length on the main section of Jinan Bridge.

确定桥架的宽度：

Determine the width of the bridge:

电缆桥架的类型和规格、支撑臂的长度、支柱的长度和间距、桥架的宽度和层数根据要敷设的电缆数量、电缆直径确定电缆和电缆的间距。

The type and specification of the cable tray, the length of the support arm, the length and spacing of the pillars, the width and layers of the cable tray determine the cable and cable spacing according to the number of cables to be laid and the cable diameter.

确定安装方式：

Determine the installation method:

根据场地的设置条件确定桥架的固定方式，选择悬挂式、立式、侧墙式或混合式。连接件和紧固件一般成套供货。另外，根据桥架结构选择相应的盖板。

The fixing mode of the bridge shall be determined according to the setting conditions of the site, and the suspension type, vertical type, side wall type or mixed type shall be selected. Connectors and fasteners are generally supplied in complete sets. In addition, the corresponding cover plate shall be selected according to the bridge structure.

画出电缆桥架的平面图和剖面图，还要画出部分零件的空间图，并列出材料表。在平行图上绘出桥架的路由，要注明桥架起点、终点、拐弯点、分支点及升降点的坐标或定位尺寸、标高。如能绘制桥架敷设轴侧图，则对材料统计将更准确；

Draw the plan and section of the cable tray, and also draw the space map of some parts, and list the material list. Draw the route of the bridge on the parallel diagram, and indicate the coordinates or positioning dimensions and elevations of the starting point, ending point, turning point, branch point and lifting point of the bridge. If the cable tray laying shaft side diagram can be drawn, the material statistics will be more accurate;

此外桥架系统应有可靠的电气连接，并接地。保护电路连续性的技术要求为：在有跨接点处连接电阻应小于等于50mΩ；无接点处连接电阻应小于等于5mΩ/m。玻璃钢制桥架根据需要可沿桥架全长另敷设专用接地线，其截面积尺寸小可根据GB7251.1-2013中8.4.3.2.3的规定，或由用户与制造商协商。

In addition, the bridge system shall have reliable electrical connection and grounding. The technical requirements for the continuity of the protection circuit are as follows: the connection resistance at the jumper point shall be less than or equal to 50m Ω; The connection resistance at the point without contact shall be less than or equal to 5M Ω /m. The special grounding wire can be laid along the whole length of the FRP Bridge as required. The small cross-sectional size can be in accordance with the provisions of 8.4.3.2.3 in gb7251.1-2013, or negotiated between the user and the manufacturer.

江南app官方入口在哪里看到内缆线垂直敷设时，在缆线的上端和每间隔1.5米处应固定在桥架的支架上。水平敷设时，在缆线的首、尾、转弯及每间隔3~5米处进行固定；

When the cables in Jinan Bridge are laid vertically, they shall be fixed on the support of the bridge at the upper end of the cable and at an interval of 1.5m. During horizontal laying, the cable shall be fixed at the head, tail, turn and every 3~5 meters;

在水平、垂直桥架和垂直线槽中敷设线时，应对缆线进行绑扎，4对线电缆以24根为束，25对或以上主干线电缆、光缆及其它信号电缆应根据缆线的类型、缆径、缆线芯数分束绑扎，绑扎间距不宜大于1.5米。扣间距应均匀，松紧适度。

When laying wires in horizontal and vertical cable trays and vertical trunking, cables shall be bound. 24 pairs of cables shall be used as bundles, and 25 or more pairs of trunk cables, optical cables and other signal cables shall be bound in bundles according to the type, diameter and number of cable cores. The binding spacing shall not be greater than 1.5m. The buckle spacing shall be uniform and the tightness shall be appropriate.

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