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电缆桥架是什么 电缆桥架该如何选择?

在生活当中桥架常常出现在工业建造方面,因此,来百姓接触的会比较少。但是桥架后产生的物品就和生活息息相关了。那么,接下来就和小编一起去了解下,电缆桥架是什么?电缆桥架该如何选择?
In our daily life, bridges often appear in industrial construction. Therefore, people will have less contact with them. But the goods produced after the bridge are closely related to life. So, next, let's go with Xiaobian to understand what the cable tray is? How to select cable tray?
电缆桥架是什么?其实桥架就是一个能够支撑和放电缆的支架。无论是建筑工程,还是电力工程,只要是需要铺设电缆就必须要用到桥架。而电缆桥架作为整个布线工程的一个重要的配套项目,国内目前都还没有的规范来指导,现在的市场非常稀缺这方面的技术,因此各个生产厂家的规格形式都缺乏通用性。所以,无论是设计选型,还是电器的各个系统都要通过电缆数量、类型来合理的选定桥架。电缆桥架具有品种全、结构轻、造价低、施工简单、安装标准、外型美观、应用广、强度大、配线灵活等特点。
What is cable tray? In fact, the bridge is a support that can support and place cables. Whether it is construction engineering, or power engineering, as long as it is necessary to lay the cable, it must use the bridge. As an important supporting project of the whole wiring project, cable tray has no professional specification to guide at present in China. Now the market is very scarce in this aspect of technology, so the specifications of various manufacturers are lack of universality. Therefore, whether it is the design and selection, or each system of electrical appliances, we should reasonably select the bridge through the number and type of cables. Cable tray has the characteristics of complete variety, light structure, low cost, simple construction, standard installation, beautiful appearance, wide application, high strength, flexible wiring and so on.
1、电缆桥架材质选择
1. Material selection of cable tray
电缆桥架工程设计常见的问题就是电缆桥架如何按照材料划分,一般分为玻璃钢、钢制和铝合金这几种。而玻璃钢的电缆桥架的质量较轻,耐腐蚀性和耐水性好,适合于化工厂使用。质地不易燃烧,使用寿命长,一般设计寿命在20年左右,但价格方面比钢制电缆桥架高3倍左右。施工的也非常方便,切割性强、容易组装、安装无需动火,对于化工厂这样的工程非常实用。铝合金电缆桥架也比较轻,荷载特性均与钢质桥架基本相近。价格方便也比镀锌钢制电缆桥架要高出20%,但是使用寿命是钢制电缆桥架的5倍以上。
The common problem of cable bridge engineering design is how to divide the cable bridge into FRP, steel and aluminum alloy according to the material. The cable tray made of glass fiber reinforced plastic has light weight, good corrosion resistance and water resistance, and is suitable for use in chemical plants. The material is not easy to burn and has a long service life. The general design life is about 20 years, but the price is about 3 times higher than that of steel cable tray. Construction is also very convenient, cutting strong, easy assembly, installation, no fire, for chemical plants such as the project is very practical. Aluminum alloy cable tray is also relatively light, and its load characteristics are basically similar to those of steel cable tray. The price is convenient and 20% higher than galvanized steel cable tray, but the service life is more than 5 times of steel cable tray.
2、电缆桥架表面防腐层类别选择
2. Selection of anticorrosive coating on cable tray surface
电缆桥架表面的防腐层主要分为:镀锌镍、冷镀锌、热浸锌、粉末静电喷涂等方式。镀锌镍工艺寿命不小于30年,造价高,也适用于室外重腐蚀环境;冷镀锌工艺寿命不小于12年,造价一般,适用于室外轻腐蚀环境;而热浸锌工艺寿命不小于40年,造价高,适用于室外重腐蚀环境;粉末静电喷涂工艺寿命不小于12年,价格一般,比较适用于室内常温干燥环境。所以,设计人员会根据工程环境条件等情况,来合理的选择电缆桥架表面的防腐层类别,并在会清晰地表达在设计文件中。
The anti-corrosion coating on the surface of cable tray is mainly divided into: galvanized nickel, cold galvanized, hot-dip galvanized, powder electrostatic spraying, etc. The service life of galvanizing nickel process is not less than 30 years, the cost is high, and it is also suitable for outdoor heavy corrosion environment; The service life of cold galvanizing process is not less than 12 years, the cost is general, and it is suitable for outdoor light corrosive environment; The life of hot dip galvanizing process is not less than 40 years, the cost is high, and it is suitable for outdoor heavy corrosion environment; The service life of powder electrostatic spraying process is not less than 12 years, the price is general, and it is suitable for indoor normal temperature and dry environment. Therefore, the designer will reasonably select the type of anti-corrosion coating on the surface of cable tray according to the engineering environmental conditions, and will clearly express it in the design documents.
以上,及时关于电缆桥架是什么?及电缆桥架的选择方式的相关内容,小编就介绍到这了。对于电缆桥架的选择,主要还得看需要使用在哪些方面来进行选择,希望能帮助到您。
Above, what is the cable tray? And the selection of cable tray related content, Xiaobian introduced to this. For the selection of cable tray, it mainly depends on which aspects to use. I hope it can help you.
 
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