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电缆桥架型式及品种的选择要点

文章来源:/   作者:电缆桥架厂家发布时间:2023-08-11 浏览次数:7

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需屏蔽电气干扰的电缆网路或有防护外部(如:有腐蚀液休,易燃粉尘等环境)影响的要求时,应选用(FB)类槽式复合型防腐屏蔽电缆桥架(带盖)。
When it is necessary to shield the cable network from electrical interference or when there is a requirement to protect against external influences (such as corrosive liquids, flammable dust, etc.), (FB) type slot type composite anti-corrosion shielding cable tray (with cover) should be selected.
强腐蚀性环境应采用(F)类复合环氧树脂防腐阻燃型电缆桥架。托臂支架也要选用同样材料,提高桥架及附件的使用寿命,电缆桥架。在容易积灰和其它需遮盖的环境或户外场所宜加盖板。
Strong corrosive environments should use (F) composite epoxy resin anti-corrosion and flame-retardant cable trays. The bracket should also be made of the same material to improve the service life of the cable tray and accessories. Cover plates should be added in environments or outdoor areas that are prone to dust accumulation and require covering.
除上述情况外,可根据现场环境及技术要求选用托盘式槽式梯级式玻璃防腐阻燃电缆桥架或钢质普通型桥架。在容易积灰和其它需遮盖的环境或户外场所宜加盖板。
In addition to the above situations, tray type trough type stepped glass anti-corrosion flame-retardant cable trays or steel ordinary cable trays can be selected according to the on-site environment and technical requirements. Cover plates should be added in environments or outdoor areas that are prone to dust accumulation and require covering.
在公共通道或户外跨越道路段,底层梯级的底部宜加垫板或在该段使用托盘 。 大跨距跨越公共通道时,可根据用户要求提高桥架的载荷能力或选用行架。
In public passages or outdoor crossing road sections, it is advisable to add a pad at the bottom of the bottom step or use a pallet at that section. When crossing a public passage with a large span, the load capacity of the bridge can be increased or a gantry can be selected according to user requirements.
济南电缆桥架
大跨距(>3m)要选用复合型桥架(FB)。
Composite cable trays (FB) should be used for large spans (>3m).
电缆桥架规格选择
Selection of cable tray specifications
复合环氧树脂电缆桥架的宽度和高度就按下表选择,并应符合电缆真充率不超过有关标准规范的规定值,动力电缆可取40-50%,控制电缆可取50-70%,另外需予留10-25%的式程发展余量。
The width and height of the composite epoxy resin cable tray should be selected according to the following table, and should comply with the cable true filling rate not exceeding the specified values of relevant standards and specifications. Power cables can be taken as 40-50%, control cables can be taken as 50-70%, and a process development margin of 10-25% should be left.
各种弯通及附件规格应符合工程布置条件并与桥架相配套。
The specifications of various bends and accessories should comply with the engineering layout conditions and be matched with the bridge.
支吊架规格的选择,应按桥架规格层数跨距等条件配置。并应满足荷载的要求。
The selection of support and hanger specifications should be based on conditions such as bridge specifications, layers, spans, etc. And it should meet the requirements of the load.
户外要选用复合环氧树指桥架(F)。
Composite epoxy tree finger bridge (F) should be selected for outdoor use.
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