Trough type cable trays, abbreviated as trough bridges, are divided into common trough type cable trays and large span trough type cable trays based on their length. The common slot type cable tray is generally 2 meters in length, and the bottom plate and side plate of the cable tray are usually pressed from a single plate.

镀锌槽式桥架还可以进行喷涂工艺处理，喷涂防火粉末后就具有了防火阻燃的使用性能，才可以当成防火桥架来用。

Galvanized trough type cable trays can also be treated with spraying technology. After spraying fireproof powder, it has the performance of fire resistance and flame retardancy, and can be used as a fireproof cable tray.

要依据电缆桥架的宽度和高度来进行电缆桥架规格的选用，它取决于电缆桥架内电缆的直径，电缆的敷设层数，电缆填充率，电缆桥架安装场所的空间等因素，同时，还要考虑到实际使用的发展余地。

The selection of cable tray specifications should be based on the width and height of the cable tray, which depends on factors such as the diameter of the cable inside the cable tray, the number of layers of cable laying, the cable filling rate, and the space of the cable tray installation site. At the same time, it also needs to consider the development space of actual use.

桥架运输是指用货车和叉车，将各种结构、规格、型号、数量的桥架，从厂家的生产车间运输到客户在各地的项目工地上去。

Bridge transportation refers to the use of trucks and forklifts to transport various structures, specifications, models, and quantities of bridge structures from the manufacturer's production workshop to customers' project sites across the country.

遇到各种刮风下雨冰雹暴晒天气的室外桥架，如果是在挨着大海边上或高腐蚀气体的外界环境，则材质必须具有防腐（被氧气侵蚀）、耐潮气（被水蒸气腐蚀）。

When encountering various weather conditions such as wind, rain, hail, and exposure to sunlight, outdoor cable trays must be made of corrosion-resistant materials (corroded by oxygen) and moisture (corroded by water vapor) if they are located near the seaside or in an external environment with high corrosive gases.

电缆桥架板材如果使用镀锌板材质，对于该材质的要求是外观要良好，板材表面不能有漏镀的地方、不能有孔有洞、不能有破烂裂纹的地方或者锌渣。

If galvanized sheet material is used for cable tray plates, the requirement for this material is to have a good appearance, and the surface of the plate should not have any areas of missed plating, holes, cracks, or zinc slag.

电缆桥架建筑项目要建立日程安排表、财政上的安排、建筑安全、建筑材料的运输和运用、工程上的延误、准备投标文件等等。

The cable tray construction project needs to establish a schedule, financial arrangements, building safety, transportation and application of building materials, engineering delays, preparation of bidding documents, and so on.

托盘式桥架具有载荷大（能承受重量沉的东西）造型美观（结构好看）安装方便（敷设比较简单）的特点，是应用范围广泛的一种建筑桥架（住宅楼、商业楼等建筑都使用该桥架）。

Tray type cable tray has the characteristics of large load capacity (able to withstand heavy loads), beautiful appearance (beautiful structure), convenient installation (relatively simple laying), and is a widely used building cable tray (used in residential buildings, commercial buildings, and other buildings).

桥架规格决定了配套弯通、三通、四通、变径直通、变径三通、连接片的附件规格，也决定了项目中桥架的成本费用多少。

The specifications of the cable tray determine the accessory specifications for supporting bends, tees, crosses, variable diameter straights, variable diameter tees, and connecting pieces, and also determine the cost of the cable tray in the project.

大跨距槽式电缆桥架长短有3米、4米、6米几种，电缆桥架侧板一般采用瓦楞型来增强单位长度内的安全载荷，电缆桥架底板与侧板通过焊接固定在一起，电缆桥架厂家生产槽式电缆桥架时通常都采用以上加工工艺。

There are several lengths of large-span trough cable trays, including 3 meters, 4 meters, and 6 meters. The side plates of the cable tray are generally corrugated to enhance the safety load per unit length. The bottom plate and side plate of the cable tray are fixed together by welding. Cable tray manufacturers usually use the above processing technology when producing trough cable trays.

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