Installation requirements of bridge:

一、確定方向

1、 Determine direction

根據建筑平面布置圖,結合空調管線和電氣管線等設置情況、方便維修,以及電纜路由的疏密來確定電纜橋架的路線。在室內,盡可能沿建筑物的墻、柱、梁及樓板架設,如需利用綜合管廊架設時,則應在管道一側或上方平行架設。

According to the building layout plan, the route of cable tray is determined in combination with the setting of air conditioning pipeline and electrical pipeline, convenient maintenance and the density of cable route. Indoors, it shall be erected along the wall, column, beam and floor of the building as far as possible. If it is necessary to use the comprehensive pipe gallery, it shall be erected in parallel on one side or above the pipeline.

二、荷載計算

2、 Load calculation

計算電纜橋架主干線縱斷面上單位長度的電纜重量。

Calculate the cable weight per unit length on the profile of the main line of the cable tray.

三、確定橋架的寬度

3、 Determines the width of the bridge

根據布放電纜條數、電纜直徑及電纜的間距來確定電纜橋架的型號、規格,托臂的長度,支柱的長度、間距,橋架的寬度和層數。

According to the number of cables laid, cable diameter and cable spacing, 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.

四、確定安裝方式

4、 Determine the installation method

根據場所的設置條件確定橋架的固定方式,選擇懸吊式、直立式、側壁式或是混合式,連接件和緊固件一般是配套供應的,此外,根據橋架結構選擇相應的蓋板。

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 hybrid type shall be selected. The connectors and fasteners are generally supplied together. In addition, the corresponding cover plate shall be selected according to the bridge structure.

橋架可以獨立架設, 也可以敷設在各種建(構)筑物和管廊支架上的連接方式。

The bridge can be erected independently or laid on various buildings (structures) and pipe gallery supports.

橋架分為槽式、托盤式和梯架式、網格式等結構，由支架、托臂和安裝附件等組成。體現結構簡單、造型美觀、配置靈活和維修方便等特點，全部零件均需進行鍍鋅處理，安裝在建筑物外露天的橋架。

The bridge is divided into trough type, tray type, ladder type, grid format and other structures, which is composed of support, bracket and installation accessories. It reflects the characteristics of simple structure, beautiful appearance, flexible configuration and convenient maintenance. All parts need to be galvanized and installed in the open bridge outside the building.

如果是在鄰近海邊或屬于腐蝕區，則材質需要具有防腐、耐潮氣、附著力好， 耐沖擊強度高的物性特點。由于環境溫度變化,鋼質電纜橋架會出現熱脹冷縮的現象。

If it is near the sea or in a corrosive area, the material needs to have the physical characteristics of anti-corrosion, moisture resistance, good adhesion and high impact strength. Due to the change of ambient temperature, the steel cable tray will expand and contract.

電纜橋架的連接方式一般都是采用定制的連接片進行連接的，電纜橋架廠家在制作電纜橋架時會根據電纜橋架的型號規格，制作連接片的。

The connection mode of cable tray is generally connected with customized connecting pieces. When making cable tray, the cable tray manufacturer will make connecting pieces according to the model and specification of cable tray.

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