电缆桥架是什么?

　　What is a cable tray?

　　电缆桥架是一种专为保护线缆而设计的产品，充当线缆的外层防护壳，防止线缆因外部因素受损。它主要由支撑结构、臂架及装配组件构成。桥架的主要类别可划分为梯级式桥架、无孔托盘式桥架（槽式桥架）、有孔托盘式桥架（托盘式电缆桥架）等。

　　Cable tray is a product designed specifically to protect cables, serving as an outer protective shell to prevent damage from external factors. It mainly consists of supporting structures, arm frames, and assembly components. The main categories of cable trays can be divided into ladder type cable trays, non perforated tray type cable trays (trough type cable trays), perforated tray type cable trays (tray type cable trays), etc.

　　电缆桥架是实现电线、电缆、管缆敷设标准化、系列化、通用化的布线支撑装置。 基本种类：槽式电缆桥架，属于全封闭结构，非常适用于敷设计算机线缆、通信线缆、热电偶线缆以及其他高灵敏度系统的控制线缆。它对控制线缆的屏蔽干扰和在强腐蚀环境中的线缆防护均有良好效果。

　　Cable tray is a wiring support device that enables standardized, serialized, and universal laying of wires, cables, and conduit cables. Basic type: Cable tray, belonging to a fully enclosed structure, is very suitable for laying computer cables, communication cables, thermocouple cables, and control cables for other high-sensitivity systems. It has good effects on shielding interference of control cables and cable protection in highly corrosive environments.

　　桥架种类分类：

　　Classification of bridge types:

　　通常，桥架种类包括：无孔托盘电缆桥架（槽式电缆桥架）、梯级式桥架、有孔托盘电缆桥架（托盘式桥架）。

　　Usually, the types of cable trays include: unperforated tray cable trays (trough cable trays), stepped trays, and perforated tray cable trays (tray trays).

　　槽式电缆桥架(trough cable tray)：即无孔托盘式桥架，为全封闭结构。适用于敷设计算机线缆、通信线缆、热电偶线缆及其他高灵敏度系统的控制线缆等。它在抑制控制线缆干扰和保护强腐蚀环境中的线缆方面效果显著。

　　Trough cable tray: refers to a tray type cable tray without holes, which is a fully enclosed structure. The most suitable for laying computer cables, communication cables, thermocouple cables, and control cables for other high-sensitivity systems. It has significant effects in suppressing control cable interference and protecting cables in highly corrosive environments.

　　梯级式电缆桥架 (ladder cable tray)：外形呈梯状，中间焊接横杆加固支撑，具有自重轻、成本低、承载能力强、散热通风佳的特点。常用于大直径线缆和高、低压动力电缆的敷设，尤其适合数据中心等需要大量布线的场所。

　　Ladder cable tray: It has a ladder like shape with a welded crossbar in the middle for reinforcement and support. It has the characteristics of light weight, low cost, strong load-bearing capacity, and good heat dissipation and ventilation. Commonly used for laying large-diameter cables and high and low voltage power cables, especially suitable for places such as data centers that require a large amount of wiring.

　　托盘式电缆桥架(solid bottom cable tray)：属于半封闭型，外观与镀锌槽式桥架相似，具备重量轻、载荷大、外形美观、结构简洁、安装便捷等优势。

　　Solid bottom cable tray: It belongs to the semi enclosed type and has a similar appearance to galvanized trough cable trays. It has the advantages of light weight, high load capacity, beautiful appearance, simple structure, and easy installation.

　　建筑物内的桥架既可独立架设，也可敷设于各类建（构）筑物及管廊支架上，应体现结构简明、造型美观、配置灵活、维护便利等特性。所有部件均需进行镀锌防腐处理，尤其适用于建筑物外露天的安装环境。

　　The cable trays inside buildings can be independently erected or installed on various types of buildings and pipe gallery supports, and should reflect the characteristics of simple structure, beautiful appearance, flexible configuration, and convenient maintenance. All components need to undergo galvanizing and anti-corrosion treatment, especially suitable for outdoor installation environments outside buildings.

　　电缆桥架材质分类：

　　Classification of cable tray materials:

　　镀锌桥架：采用冷轧钢板经表面镀锌工艺制成，具备优良的防腐和抗电磁干扰能力。

　　Galvanized bridge frame: Made of cold-rolled steel plate through surface galvanizing process, it has excellent anti-corrosion and electromagnetic interference resistance.

　　不锈钢桥架：选用304不锈钢材质制造，表面通常无需额外处理，其综合性能及价值高于其他材质桥架。

　　Stainless steel bridge frame: Made of 304 stainless steel material, the surface usually does not require additional treatment, and its comprehensive performance and value are higher than other material bridge frames.

　　铝合金桥架：采用1060铝板（铝含量≥99.6%）制作，具有耐腐蚀、耐磨、防水及使用寿命长等特性。

　　Aluminum alloy bridge: Made of 1060 aluminum plate (aluminum content ≥ 99.6%), it has the characteristics of corrosion resistance, wear resistance, waterproofing, and long service life.

　　防火桥架：以镀锌桥架为基础，表面施加防火涂层处理而成，赋予桥架耐高温、耐水、耐腐蚀等性能。

　　Fireproof bridge: Based on galvanized bridge, the surface is treated with fireproof coating to endow the bridge with high temperature resistance, water resistance, corrosion resistance and other properties.

　　喷塑桥架：在镀锌桥架表面进行静电粉末喷涂处理制成，表面光滑平整，可根据安装环境选择适配颜色，同样具备耐腐蚀、耐磨、防水及使用寿命长等性能。

　　Spray painted bridge: It is made by electrostatic powder spraying on the surface of galvanized bridge, with a smooth and flat surface. The color can be selected according to the installation environment, and it also has the properties of corrosion resistance, wear resistance, waterproofing, and long service life.

　　热浸镀锌桥架：将基材（如钢制槽式桥架）经除锈后浸入约600℃高温熔融锌液中，使桥架表面形成致密厚重的锌防护层，提供的长期防腐保护。

　　Hot dip galvanized bridge frame: After rust removal, the substrate (such as steel trough bridge frame) is immersed in a high-temperature molten zinc solution at about 600 ℃, forming a dense and thick zinc protective layer on the surface of the bridge frame, providing excellent long-term anti-corrosion protection.

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