Cable tray is the weak current system of intelligent building. It is usually composed of multiple information monitoring and communication facilities, such as BA (building automation), OA (office automation), Ca (Communication Automation) and other corresponding systems. Cable tray is divided into trough tray type and ladder type structures, which are composed of support arm and installation accessories. During type selection, pay attention to whether all parts of the bridge meet the complete set requirements of serialization, generalization and standardization. The bridge in the building can be erected independently or attached to various buildings and pipe gallery supports. It should reflect the characteristics of simple structure, beautiful appearance, flexible configuration and convenient maintenance. All parts need to be galvanized. The bridge installed outside the building in the open air. If it is near the sea or belongs to corrosion area, the material has anti-corrosion and moisture resistance.

電纜橋架有哪些樣式？

What are the styles of cable tray?

梯級式電纜橋架

Stepped cable tray

型梯級式電纜橋架是根據國內外有關資料而改進設計的。它具有重量輕成本低造型別具安裝方便散熱透氣好等優點。他適用于一般直徑較大電纜的敷設，適合于高低壓動力電纜的敷設。

The V-type stepped cable tray is improved and designed according to relevant data at home and abroad. It has the advantages of light weight, low cost, unique shape, convenient installation, good heat dissipation and ventilation. It is applicable to the laying of general cables with large diameter and high and low voltage power cables.

托盤式電纜橋架

Tray type cable tray

托盤式電纜橋架是石油化工輕工電訊等方面應用廣泛的一種。它具有重量輕載荷大造型美觀結構簡單安裝方便等優點。它即適用于動力電纜的安裝，也適合于控制電纜的敷設。

Tray type cable tray is widely used in petrochemical industry, light industry and telecommunications. The utility model has the advantages of light weight, large load, beautiful appearance, simple structure and convenient installation. It is not only suitable for the installation of power cables, but also suitable for the laying of control cables.

槽式電纜橋架

Trough type cable tray

槽式電纜橋架是一種全封閉型電纜橋架。它適用于敷設計算機電纜通信電纜熱電偶電纜及其他高靈敏系統的控制電纜等。它對控制電纜的屏蔽干擾和重腐蝕中環境電纜的防護都有較好的效果。

Grooved cable tray is a fully enclosed cable tray. It is suitable for laying computer cables, communication cables, thermocouple cables and control cables of other highly sensitive systems. It has a good effect on the shielding interference of control cables and the protection of cables in heavy corrosion environment.

梯級式托盤式槽式電纜橋架各自優缺點：梯級式匯線橋架具有良好的通風性能，不防塵不防干擾。槽式托盤式匯線橋架具有防塵防干擾性能。

Advantages and disadvantages of stepped tray and trough cable tray: the stepped manifold cable tray has good ventilation performance, no dust and no interference. Trough tray type junction bridge has dust-proof and anti-interference performance.

大跨距電纜橋架

Long span cable tray

當前大跨距電纜橋架一般是由拉擠玻璃鋼型材組裝而成，適用于電力電纜控制電纜照明電纜及配件等。與鐵制橋架相比，具有使用壽命長（一般設計壽命為二十年）安裝方便且成本低（比重僅為碳鋼的1/4，施工中無需動火，單根橋架長度可達8米，甚更長）切割方便不需維護等優越性。

At present, long-span cable trays are generally assembled from pultruded FRP profiles, which are suitable for power cables, control cables, lighting cables and accessories. Compared with the iron bridge, it has the advantages of long service life (the general design life is 20 years), convenient installation and low cost (the proportion is only 1 / 4 of that of carbon steel, there is no need for hot work in construction, and the length of a single bridge can reach 8m or even longer), convenient cutting and no maintenance.

組合式電纜橋架

Combined cable tray

組合式電纜橋架是一種新型橋架，是電纜橋架系列中的二代產品。它適用各項工程各種單位各種電纜的敷設，它具有結構簡單配置靈活安裝方便形式新穎等特點。

Combined cable tray is a new type of cable tray, which is the second generation of cable tray series. It is suitable for the laying of various cables in various units of various projects. It has the characteristics of simple structure, flexible configuration, convenient installation and novel form.

橋架，可以說應用的是越來越廣的，種類也是越來越多的。那么作為橋架中，使用非常廣的一個產品，也就是電纜橋架，在進行敷設的時候，有哪些需要注意的事項呢？可能有許多朋友對于什么是敷設并不是特別的清楚，其實所謂的敷設，就是指將線管的一處到另一處的安裝。可以說是在電纜橋架安裝中，非常常見的安裝方式。下面就來說說電纜橋架敷設吊裝時要注意些什么。

Bridge, it can be said that the application is more and more extensive, and the types are also more and more. Then, as a widely used product in cable tray, that is, cable tray, what should be paid attention to when laying? Many friends may not be particularly clear about what is laying. In fact, the so-called laying refers to the installation of wiring pipes from one place to another. It can be said that it is a very common installation method in the installation of cable tray. Let's talk about what we should pay attention to when laying and hoisting cable tray.

1.注意吊裝：告訴你在進行電纜橋架吊裝時，也是需要注意的，不僅僅在吊起裝車時不能超載，而且在電纜軸心也是需要穿上一根強度足夠的鋼管的，這主要也是為了可以更好的保證吊裝的全性的。

1. Pay attention to hoisting: tell you that you also need to pay attention when hoisting the cable bridge. Not only can you not overload when hoisting and loading, but also you need to wear a steel pipe with sufficient strength on the cable axis, which is mainly to better ensure the integrity of hoisting.

2.鋼絲繩在進行鋼管套牢的時候，還要看一下兩邊的間距不宜過小，好不要小于300mm。

2. When the steel pipe is fastened by the steel wire rope, the spacing between the two sides should not be too small, not less than 300mm.

3.電纜橋架在進行敷設時，認為還有一點也是需要注意的，那么就是在進行吊裝的時候，吊裝速度不宜過快，好緩慢進行。

3. When laying the cable tray, it is considered that there is another point that needs to be paid attention to, that is, when hoisting, the hoisting speed should not be too fast, so it can be carried out slowly.

4需要將敷設的地點進行提前的選定的，一般都會遵循這樣的一個原則，那么就是以敷設方便為準，好選擇在電纜起止點附近。總的來說，電纜橋架進行敷設需要注意的細節還有很多，除了以上的這些，認為那么在進行架設時也是需要注意一下電纜軸的轉動方向是不是正確，一般來說，電纜引出端好不要在電纜軸的下方。

4. If the location of laying needs to be selected in advance, the principle will generally be followed, that is, the convenience of laying shall prevail, and it is better to choose near the starting and ending points of cables. Generally speaking, there are many details that need to be paid attention to when laying the cable tray. In addition to the above, it is considered that during erection, it is also necessary to pay attention to whether the rotation direction of the cable shaft is correct. Generally speaking, the cable outlet end should not be below the cable shaft.

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