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电缆桥架型式、品种及规格的选择

文章来源:http://www.sddlqj.cn/   作者:电缆桥架厂家发布时间:2023-02-28 浏览次数:13

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电缆桥架型式、品种的选择
Selection of cable tray type and variety
1、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)
1. When the cable network that needs to be shielded from electrical interference or is required to be protected from external influences (such as corrosive liquid, flammable dust, etc.), the (FB) type trough-type composite anti-corrosion shielded cable bridge (with cover) shall be selected
2、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。
2. Class (F) composite epoxy resin anti-corrosion flame-retardant cable tray shall be used in highly corrosive environment. The same materials shall be used for the bracket and bracket to improve the service life of the cable tray and accessories. Cover plates should be added in the environment or outdoor places that are easy to accumulate dust and need to be covered.
3、除上述情况外,可根据现场还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。
3. In addition to the above situations, tray type, trough type, cascade type, glass anti-corrosion flame-retardant cable tray or steel common type cable tray can be selected according to the site, environment and technical requirements. Cover plates should be added in the environment or outdoor places that are easy to accumulate dust and need to be covered.
4、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。
4. In the public passage or outdoor crossing road section, the bottom of the bottom rung should be added with a pad or pallets should be used in this section. When crossing a public passage with a large span, the load capacity of the bridge can be improved or the rack can be selected according to the user's requirements.
5、大跨距(>3m)要选用复合型桥架(FB)。
5. Composite bridge (FB) shall be selected for large span (>3m).
6、户外要选用复合环氧树指桥架(F)。
6. Composite epoxy tree-finger bridge (F) shall be selected for outdoor use.
山东电缆桥架
山东电缆桥架规格选择
Specification selection of Shandong cable tray
1、为防止缆桥架的规格尺寸偏大或偏紧,有关规定:“电缆总截面积与托盘内横断面积的比值,电力电缆不应大于40%;控制电缆不应大于50%。”
1. In order to prevent the specification and size of the cable tray from being too large or too tight, the relevant provisions are as follows: "The ratio of the total cross-sectional area of the cable to the cross-sectional area of the tray shall not be greater than 40% for power cables; and 50% for control cables."
2、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。
2. The specifications of various bends and accessories shall meet the engineering layout conditions and be matched with the bridge.
3、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。
3. The specifications of supports and hangers shall be selected according to the specifications, layers, spans and other conditions of the bridge. And shall meet the requirements of load.
4、要求桥架防火的区段,必须采用钢制或不燃、阻燃材料。
4. Steel or non-combustible and flame-retardant materials must be used in the section where the bridge is required to be fireproof.
5、选用桥架的步骤:
5. Steps for selecting bridge:
(1)确定桥架宽度、层数、支撑点的型式和间距、以及电缆在各层桥架上的分布。
(1) Determine the bridge width, number of layers, type and spacing of support points, and the distribution of cables on each layer of bridge.
(2)计算每层电缆的均布荷载(kN/m2),初步确定桥架的型号、规格。
(2) Calculate the uniformly distributed load of each layer of cable (kN/m2), and preliminarily determine the model and specification of the bridge.
(3)按大的电缆总均布荷载值来验算桥架强度。
(3) The bridge strength shall be checked and calculated according to the total uniform load value of the cable.
这里小编提醒您,要定期保养电缆桥架,否则电缆桥架本身的质量会变差,硬度会下降,从而影响到其寿命。还有什么疑惑或者需求就来我们网站http://www.sddlqj.cn咨询!
Here, the editor reminds you that the cable tray should be maintained regularly, otherwise the quality of the cable tray itself will deteriorate and the hardness will decline, thus affecting its service life. If you have any doubts or needs, please come to our website http://www.sddlqj.cn consulting service
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