定義與作用

Definition and Function

電纜橋架是一種用于敷設電纜的架空支撐結構或保護裝置，主要用于將電纜從一個地方引導到另一個地方，為電纜提供支撐、保護和管理，使電纜的敷設更加整齊、有序，便于安裝、維護和檢修，同時能有效保護電纜免受外界因素（如機械損傷、腐蝕、火災等）的影響。

Cable tray is an overhead support structure or protective device used for laying cables. It is mainly used to guide cables from one place to another, provide support, protection, and management for cables, make cable laying more neat and orderly, facilitate installation, maintenance, and repair, and effectively protect cables from external factors such as mechanical damage, corrosion, fire, etc.

分類

classification

按材質分類

Classified by Material

鋼制電纜橋架：具有強度高、承載能力大、相對較低等優點，適用于一般環境和重載場合，但容易生銹，需要進行防腐處理。

Steel cable tray: It has the advantages of high strength, large bearing capacity, and relatively low price, and is suitable for general environments and heavy-duty situations. However, it is prone to rusting and requires anti-corrosion treatment.

鋁合金電纜橋架：重量輕、耐腐蝕性能好、外觀美觀，適合在有腐蝕環境或對重量有要求的場所使用，但成本相對較高。

Aluminum alloy cable tray: light weight, good corrosion resistance, beautiful appearance, suitable for use in corrosive environments or places with weight requirements, but relatively high cost.

玻璃鋼電纜橋架：具有良好的耐腐蝕性、絕緣性和抗老化性能，適用于化工、電鍍等腐蝕性較強的環境，但強度相對較低，脆性較大。

Glass fiber reinforced plastic cable tray: It has good corrosion resistance, insulation and aging resistance, and is suitable for corrosive environments such as chemical industry and electroplating, but has relatively low strength and high brittleness.

按結構形式分類

Classified by structural form

梯式電纜橋架：外形像梯子，具有良好的通風性和散熱性，便于電纜的敷設和檢修，適用于電纜數量較多、直徑較大的場合，如發電廠、變電站等。

Ladder type cable tray: It looks like a ladder, has good ventilation and heat dissipation, is easy to lay and maintain cables, and is suitable for occasions with a large number of cables and large diameters, such as power plants, substations, etc.

托盤式電纜橋架：是一種全封閉或半封閉的橋架，底部為平板，側面有側板，具有較強的保護性能，適用于對電纜防護要求較高的場所，如計算機房、通信機房等。

Tray type cable tray: It is a fully enclosed or semi enclosed cable tray with a flat bottom and side panels, which has strong protective performance and is suitable for places with high requirements for cable protection, such as computer rooms, communication rooms, etc.

槽式電纜橋架：是一種全封閉的橋架，具有良好的屏蔽性能，能有效防止電磁干擾，適用于敷設敏感信號電纜、控制電纜等，如醫院的核磁共振室、電子設備車間等。

Trough type cable tray: It is a fully enclosed tray with good shielding performance, which can effectively prevent electromagnetic interference. It is suitable for laying sensitive signal cables, control cables, etc., such as MRI rooms and electronic equipment workshops in hospitals.

規格尺寸

Specification and size

電纜橋架的規格尺寸通常根據其寬度、高度和長度來確定。常見的寬度有 100mm、150mm、200mm、300mm、400mm、500mm、600mm 等；高度有 50mm、100mm、150mm、200mm 等；長度一般為 2m、3m、4m、6m 等。此外，還有一些非標規格可根據具體工程需求定制。

The specifications and dimensions of cable trays are usually determined based on their width, height, and length. Common widths include 100mm, 150mm, 200mm, 300mm, 400mm, 500mm, 600mm, etc; There are heights of 50mm, 100mm, 150mm, 200mm, etc; The length is generally 2m, 3m, 4m, 6m, etc. In addition, there are some non-standard specifications that can be customized according to specific engineering needs.

安裝方式

Installation method

沿墻安裝：將電纜橋架通過支架或吊架固定在墻壁上，適用于空間有限、電纜數量較少的場所，如建筑物的走廊、車間的墻壁等。

Wall mounted installation: Cable trays are fixed to walls through brackets or hangers, suitable for places with limited space and fewer cables, such as corridors in buildings, walls in workshops, etc.

吊頂安裝：利用建筑物的吊頂空間，將電纜橋架安裝在吊頂內，使電纜敷設更加隱蔽，不影響建筑物的美觀，常用于寫字樓、、酒店等場所。

Ceiling installation: Utilizing the ceiling space of a building, cable trays are installed inside the ceiling to make cable laying more concealed and not affect the aesthetics of the building. It is commonly used in office buildings, shopping malls, hotels, and other places.

地面安裝：將電纜橋架直接安裝在地面上，通常用于室外或室內地面空間較大、電纜敷設需要跨越較大距離的場合，如工廠的室外電纜敷設、停車場等。

Ground installation: Cable trays are directly installed on the ground, usually used in outdoor or indoor ground spaces where cable laying requires crossing a large distance, such as outdoor cable laying in factories, parking lots, etc.

豎井安裝：在建筑物的豎井內安裝電纜橋架，用于垂直方向的電纜敷設，如高層建筑的強電豎井、弱電豎井等。

Vertical shaft installation: Install cable trays in the vertical shafts of buildings for vertical cable laying, such as strong current shafts and weak current shafts in high-rise buildings.

選型要點

Key selection points

荷載計算：根據敷設電纜的數量、重量以及可能的附加荷載（如檢修人員的重量等），計算電纜橋架所需的承載能力，選擇合適規格的橋架。

Load calculation: Based on the number, weight, and possible additional loads (such as the weight of maintenance personnel) of the laid cables, calculate the required bearing capacity of the cable tray and select the appropriate size of the tray.

環境因素：考慮安裝場所的環境條件，如是否有腐蝕、潮濕、高溫、電磁干擾等因素，選擇相應材質和結構形式的電纜橋架。

Environmental factors: Consider the environmental conditions of the installation site, such as corrosion, humidity, high temperature, electromagnetic interference, etc., and select cable trays with corresponding materials and structural forms.

電纜類型和數量：根據敷設電纜的類型（如電力電纜、控制電纜、通信電纜等）和數量，選擇合適寬度和高度的電纜橋架，確保電纜有足夠的空間敷設，且不同類型的電纜之間有適當的間距。

Cable type and quantity: Select cable trays of appropriate width and height based on the type and quantity of cables to be laid (such as power cables, control cables, communication cables, etc.), ensuring sufficient space for cable laying and appropriate spacing between different types of cables.

安裝空間：結合安裝現場的空間大小和布局，選擇合適的安裝方式和橋架尺寸，避免橋架安裝后影響其他設備的運行和人員的通行。

Installation space: Based on the size and layout of the installation site, choose the appropriate installation method and bridge size to avoid affecting the operation of other equipment and the passage of personnel after the installation of the bridge.

電纜橋架在電力、通信、建筑等眾多領域都有著廣泛的應用，正確選擇和安裝電纜橋架對于保證電纜的運行和系統的可靠性關重要。

Cable trays have a wide range of applications in various fields such as power, communication, and construction. Proper selection and installation of cable trays are crucial for ensuring the safe operation of cables and the reliability of the system.

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