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常見的五種電纜橋架盤點(diǎn)

電纜橋架系統(tǒng)作為現(xiàn)代建筑電氣布線的重要基礎(chǔ)設(shè)施,根據(jù)結(jié)構(gòu)特點(diǎn)和功能需求可分為多種類型,每種類型都具有獨(dú)特的性能優(yōu)勢和應(yīng)用場景。以下是對各類電纜橋架的詳細(xì)技術(shù)分析:

As an important infrastructure for modern building electrical wiring, cable tray systems can be divided into multiple types based on their structural characteristics and functional requirements, each with unique performance advantages and application scenarios. The following is a detailed technical analysis of various cable trays:

一、梯式電纜橋架技術(shù)解析

1、 Analysis of Ladder Cable Tray Technology

梯式電纜橋架采用冷軋鋼板經(jīng)數(shù)控加工成型,由兩側(cè)縱向邊梁與等間距排列的橫檔通過高強(qiáng)度螺栓連接構(gòu)成梯形開放式結(jié)構(gòu)。其結(jié)構(gòu)設(shè)計(jì)具有三大顯著優(yōu)勢:,獨(dú)特的鏤空結(jié)構(gòu)使單位長度重量較實(shí)心橋架減輕約35%,材料成本降低25%以上;其次,開放式設(shè)計(jì)形成自然對流通道,散熱效率比封閉式結(jié)構(gòu)提升40%,可有效降低電纜工作溫度;第三,梯形截面使其抗彎截面模量提高30%,單跨承載能力達(dá)300kg/m,特別適合8-12米大跨度安裝場合?;谶@些特性,梯式橋架成為高壓電力電纜(35kV及以上)、大截面母線(4000A以上)等重型電纜敷設(shè)的方案,在變電站、發(fā)電廠等電力設(shè)施中應(yīng)用廣泛。

The ladder type cable tray is made of high-quality cold-rolled steel plates processed by CNC machining, and is composed of two longitudinal side beams and equally spaced crossbars connected by high-strength bolts to form a trapezoidal open structure. Its structural design has three significant advantages: firstly, the unique hollow structure reduces the weight per unit length by about 35% compared to solid cable trays, and reduces material costs by more than 25%; Secondly, the open design forms a natural convection channel, which increases the heat dissipation efficiency by 40% compared to the closed structure, effectively reducing the working temperature of the cable; Thirdly, the trapezoidal cross-section increases its flexural modulus by 30%, with a maximum single span bearing capacity of 300kg/m, making it particularly suitable for installation in large spans of 8-12 meters. Based on these characteristics, ladder style cable trays have become the preferred solution for laying heavy-duty cables such as high-voltage power cables (35kV and above) and large section busbars (4000A and above), and are widely used in power facilities such as substations and power plants.

二、托盤式電纜橋架系統(tǒng)分析

2、 Analysis of tray type cable tray system

托盤式電纜橋架由底部沖孔托盤和兩側(cè)折彎擋邊組成一體化結(jié)構(gòu),采用連續(xù)輥壓成型工藝制造。其技術(shù)特點(diǎn)體現(xiàn)在:1)底部波紋加強(qiáng)設(shè)計(jì)使承載力達(dá)到200kg/m,可同時敷設(shè)多根電力電纜;2)標(biāo)準(zhǔn)化連接件實(shí)現(xiàn)快速插接安裝,工效比傳統(tǒng)焊接方式提高3倍;3)表面環(huán)氧樹脂粉末噴涂處理,既美觀又耐腐蝕。這種橋架特別適合石化裝置區(qū)的防爆電纜敷設(shè)、商業(yè)綜合體的照明配電系統(tǒng)以及智能建筑的強(qiáng)弱電混合布線,是目前使用量的橋架類型,約占市場總量的45%。

The tray type cable tray is an integrated structure consisting of a bottom punched tray and two side bent edges, manufactured using continuous roll forming technology. Its technical features are reflected in: 1) The bottom corrugated reinforcement design enables a bearing capacity of 200kg/m and can simultaneously lay multiple power cables; 2) Standardized connectors enable quick insertion and installation, increasing efficiency by three times compared to traditional welding methods; 3) The surface is treated with epoxy resin powder spraying, which is both aesthetically pleasing and corrosion-resistant. This type of cable tray is particularly suitable for explosion-proof cable laying in petrochemical plant areas, lighting distribution systems in commercial complexes, and mixed strong and weak electrical wiring in smart buildings. It is currently the most widely used type of cable tray, accounting for about 45% of the total market share.

三、槽式電纜橋架防護(hù)性能詳解

3、 Detailed explanation of protective performance of trough cable tray

槽式電纜橋架采用全封閉箱體結(jié)構(gòu),通常由2mm厚鋼板折彎成型并配可拆卸蓋板。其防護(hù)性能突出表現(xiàn)在:1)IP54防護(hù)等級可完全防止直徑大于1mm的固體異物進(jìn)入和任意方向的噴水;2)電磁屏蔽效能達(dá)到30dB(1GHz時),能有效抑制射頻干擾;3)內(nèi)部可加裝防火隔板,滿足電纜防火分隔要求。這些特性使其成為數(shù)據(jù)中心(傳輸速率≥10Gbps)、自動化生產(chǎn)線(控制信號≤24V)等敏感電子系統(tǒng)線纜敷設(shè)的理想選擇,在弱電工程中的應(yīng)用占比達(dá)60%以上。

The trough type cable tray adopts a fully enclosed box structure, usually formed by bending 2mm thick steel plates and equipped with detachable cover plates. Its outstanding protective performance is manifested in: 1) The IP54 protection level can completely prevent solid foreign objects with a diameter greater than 1mm from entering and spraying water in any direction; 2) The electromagnetic shielding effectiveness reaches 30dB (at 1GHz), which can effectively suppress radio frequency interference; 3) Fireproof partitions can be installed internally to meet the requirements of cable fire separation. These characteristics make it an ideal choice for cable laying in sensitive electronic systems such as data centers (transmission rate ≥ 10Gbps) and automated production lines (control signal ≤ 24V), with applications in weak current engineering accounting for over 60%.

四、大跨距電纜橋架工程優(yōu)勢

4、 Advantages of large-span cable tray engineering

大跨距電纜橋架(跨距≥6m)采用加強(qiáng)型結(jié)構(gòu)設(shè)計(jì),主要技術(shù)突破包括:1)采用高強(qiáng)度鋁合金(6063-T6)或鍍鋅鋼板(≥3mm)制作主體結(jié)構(gòu);2)創(chuàng)新性開發(fā)預(yù)應(yīng)力張拉技術(shù),使撓度控制在L/200以內(nèi);3)標(biāo)準(zhǔn)化快裝接頭實(shí)現(xiàn)無焊接安裝。實(shí)際工程應(yīng)用表明,該產(chǎn)品可使管線綜合空間節(jié)省30%,安裝效率提高50%,特別適合大型廠房(如汽車制造車間)、交通樞紐(機(jī)場航站樓)等大空間場所的電纜敷設(shè),使用壽命可達(dá)20年以上。

The large-span cable tray (span ≥ 6m) adopts a reinforced structural design, and the main technological breakthroughs include: 1) using high-strength aluminum alloy (6063-T6) or galvanized steel plate (≥ 3mm) to make the main structure; 2) Innovatively developing prestressed tensioning technology to control deflection within L/200; 3) Standardized quick installation joints enable welding free installation. Practical engineering applications have shown that this product can save 30% of the overall pipeline space and increase installation efficiency by 50%. It is particularly suitable for cable laying in large spaces such as automobile manufacturing workshops and transportation hubs (airport terminals), with a service life of over 20 years.

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五、組合式電纜橋架系統(tǒng)特點(diǎn)

5、 Characteristics of Combined Cable Tray System

組合式電纜橋架采用模塊化設(shè)計(jì)理念,由標(biāo)準(zhǔn)直段(2m/3m)、水平彎通、垂直彎通、三通、四通等部件通過專用連接件組合而成。其技術(shù)優(yōu)勢主要體現(xiàn)在:1)支持三維空間任意走向布置,轉(zhuǎn)彎半徑可精確控制;2)可靈活配置梯級、托盤、槽式等不同結(jié)構(gòu)單元;3)支持后期便捷擴(kuò)容改造。這種"樂高式"的安裝方式特別適合數(shù)據(jù)中心機(jī)房(布線密度≥40線纜/米)、5G通信基站等復(fù)雜布線環(huán)境,能夠解決傳統(tǒng)橋架在空間適應(yīng)性方面的不足。

The modular design concept is adopted for the combination cable tray, which is composed of standard straight sections (2m/3m), horizontal bends, vertical bends, tees, crosses and other components combined through dedicated connectors. Its technological advantages are mainly reflected in: 1) supporting arbitrary layout in three-dimensional space, and precise control of turning radius; 2) Flexible configuration of different structural units such as steps, trays, and slots; 3) Support convenient expansion and renovation in the later stage. This "LEGO style" installation method is particularly suitable for complex cabling environments such as data center rooms (cabling density ≥ 40 cables/meter) and 5G communication base stations, and can perfectly solve the shortcomings of traditional cable trays in terms of spatial adaptability.

各類電纜橋架的技術(shù)經(jīng)濟(jì)比較表明,在實(shí)際工程選型中應(yīng)綜合考慮電纜類型、環(huán)境條件、空間限制和預(yù)算因素?,F(xiàn)代工程實(shí)踐趨向于采用混合配置方案,如主干線路采用梯式橋架保證承重,分支線路使用托盤式橋架便于檢修,敏感信號線路則選用槽式橋架確保屏蔽,通過科學(xué)的組合實(shí)現(xiàn)的電纜管理系統(tǒng)解決方案。隨著BIM技術(shù)的普及,電纜橋架系統(tǒng)正朝著預(yù)制化、智能化方向發(fā)展,其與建筑結(jié)構(gòu)的集成度將進(jìn)一步提高。

The technical and economic comparison of various cable trays indicates that in practical engineering selection, cable types, environmental conditions, space limitations, and budget factors should be comprehensively considered. Modern engineering practice tends to adopt a mixed configuration scheme, such as using ladder style cable trays to ensure load-bearing capacity for main lines, tray style cable trays for branch lines for easy maintenance, and slot style cable trays for sensitive signal lines to ensure shielding. The optimal cable management system solution is achieved through scientific combination. With the popularization of BIM technology, cable tray systems are developing towards prefabrication and intelligence, and their integration with building structures will be further improved.

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This article is a friendly contribution from Jinan Cable Bridge For more information, please click: http://www.h3022.cn Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.

 
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