金属桥架结构知识点总结

　　Summary of knowledge points on metal bridge structure

　　1.金属桥架结构分类

　　1. Classification of metal bridge structures

　　金属桥架是一种用于布线和电气设备的支撑物。它通常由钢制材料制成，外形呈长条形，分为槽式和梯式两种。它的主要优点是耐腐蚀、耐火性、可靠性高、使用寿命长、美观、方便维护等。

　　A metal bridge is a support structure used for wiring and electrical equipment. It is usually made of steel material and has a long strip shape, divided into two types: groove type and ladder type. Its main advantages are corrosion resistance, fire resistance, high reliability, long service life, aesthetics, and easy maintenance.

　　2.金属桥架的安装方式

　　2. Installation method of metal bridge frame

　　金属桥架可以依据不同的安装方式分为四种:吊装、悬挂、支撑和壁挂式。

　　Metal cable trays can be divided into four types based on different installation methods: lifting, hanging, supporting, and wall mounted.

　　3.金属桥架的用途

　　3. The purpose of metal cable trays

　　金属桥架用于以下领域:

　　Metal cable trays are used in the following fields:

　　(1)电信、网络和计算机系统的跨区域布线和交换。

　　(1) Cross regional cabling and switching of telecommunications, networks, and computer systems.

　　(2)工厂和建筑物的低电压和弱电设备的布线。

　　(2) Wiring of low voltage and weak current equipment in factories and buildings.

　　(3)高层建筑和停车场的照明系统和防火控制系统的布线。

　　(3) Wiring of lighting and fire control systems for high-rise buildings and parking lots.

　　(4)隧道、地铁、桥梁以及机场等大型公共场所照明系统和防火控制系统的布线。

　　(4) Wiring of lighting systems and fire control systems in large public places such as tunnels, subways, bridges, and airports.

　　(5)可用于食品、饮料制造业等场所。

　　(5) Can be used in places such as food and beverage manufacturing.

　　4.金属桥架的材料

　　4. Materials for metal bridge frames

　　金属桥架的制造材料一般为冷轧钢板、不锈钢或铝合金。其表面处理一般为热镀镀锌或热浸镀。

　　The manufacturing materials for metal cable trays are generally cold-rolled steel plates, stainless steel, or aluminum alloys. The surface treatment is generally hot-dip galvanizing or hot-dip galvanizing.

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