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电缆桥架的选型需要留意什么?

文章来源:/   作者:电缆桥架厂家发布时间:2024-03-29 浏览次数:1

返回:常见问题

1、在工程设计中,电缆桥架的布置应根据经济公道性、技术可行性、运行性等因素综合比较,以确定方案,还要充分满足施工安装、维护检验及电缆敷设的要求。

1. In engineering design, the layout of cable trays should be comprehensively compared based on factors such as economic fairness, technical feasibility, and operational safety to determine the optimal solution. It should also fully meet the requirements of construction installation, maintenance inspection, and cable laying.

2、济南电缆桥架水平敷设时距地面的高度一般不低于于2.5m,垂直敷设时距地面1.8m以下部分应加金属盖板保护,但敷设在电气专用房间内时除外。电缆桥架水平敷设在设备夹层或上人马道且低于2.5m,应采取保护接地措施。

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2. When laying Jinan cable trays horizontally, the height from the ground is generally not less than 2.5m. When laying vertically, the part below 1.8m from the ground should be protected with a metal cover plate, except when laying in electrical rooms. If the cable tray is horizontally laid in the equipment interlayer or pedestrian walkway and is below 2.5m, protective grounding measures should be taken.

3、济南电缆桥架、线槽及其支吊架使用在有腐蚀性环境中,应采用耐腐蚀的刚性材料制造.或采取防腐蚀处理,防腐蚀处理方式应满足工程环境和耐久性的要求。对耐腐蚀性能要求较高或要求洁净的场所,宜选用铝合金电缆桥架。

3. Jinan cable trays, cable trays, and their supports and hangers should be made of corrosion-resistant rigid materials or undergo anti-corrosion treatment when used in corrosive environments. The anti-corrosion treatment method should meet the requirements of the engineering environment and durability. For places that require high corrosion resistance or cleanliness, aluminum alloy cable trays should be selected.

4、济南电缆桥架在有防火要求的区段内,可在电缆梯架,托盘内添加具有耐火或难燃性能的板,网等材料构成封闭或半封闭式结构,并采取在桥架及其支吊架表面涂刷防火涂层等措施。其整体耐火性能应满足有关规范或标准的要求。在工程防火要求较高的场所.不宜采用铝合金电缆桥架。

4. In sections with fire protection requirements, Jinan cable trays can be equipped with fire-resistant or flame-retardant materials such as plates and nets to form a closed or semi closed structure in cable ladders and trays. Measures such as applying fire resistant coatings on the surface of the cable tray and its supports and hangers should be taken. Its overall fire resistance performance should meet the requirements of relevant national specifications or standards. Aluminum alloy cable trays should not be used in places with high fire protection requirements in engineering.

5、需要屏蔽电磁干扰的电缆线路.或有防护外部影n向如户外日照,油,腐蚀性液体、易燃粉尘等环境要求时.应选用无孔托盘式电缆桥架。

5. Cable lines that need to be shielded from electromagnetic interference, or when there are environmental requirements for external protection such as outdoor sunlight, oil, corrosive liquids, flammable dust, etc., non perforated tray type cable trays should be selected.

6、在轻易积聚粉尘的场所,电缆桥架应选用盖板;在公共通道或室外跨越道路段.底层桥架上宜加垫板或使用无孔托盘。

6. In places where dust easily accumulates, cable trays should use cover plates; In public passages or outdoor crossing road sections, it is advisable to add padding or use perforated trays on the bottom bridge.

7、不同电压、不同用途的电缆不宜敷设在同一层电缆桥架内。

7. Cables with different voltages and purposes should not be laid in the same layer of cable tray.

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