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选用梯级式电缆桥架应注意的事项

文章来源:/   作者:电缆桥架厂家发布时间:2023-04-27 浏览次数:11

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梯级式电缆桥架具有重量轻,结构简单,成本低,强度大,造型别具,安装方便、散热、透气性好等优点,使用小量化的连接螺栓,它适用于一般直径较大电缆的敷设,特别适用于高、低压动力电缆的敷设。下面济南桥架厂家来讲讲选用梯级式电缆桥架应注意的事项:
The stepped cable tray has the advantages of light weight, simple structure, low cost, high strength, unique shape, convenient installation, good heat dissipation and permeability, etc. It uses a small amount of connecting bolts, which is suitable for the laying of cables with large diameters in general, especially for the laying of high and low voltage power cables. The following Jinan cable tray manufacturer will talk about the matters needing attention when selecting the ladder type cable tray:
一、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。
1、 When using cable trays, trunking, and their supports and hangers in corrosive environments, they should be made of corrosion-resistant rigid materials or undergo anti-corrosion treatment. The anti-corrosion treatment method should meet the requirements of the engineering environment and durability.
二、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。
2、 In the section with fire protection requirements, the cable tray can be added with fire-resistant or flame-retardant materials such as boards, nets, etc. to form a closed or semi closed structure. Measures such as applying fire-resistant coatings on the surface of the cable tray and its supports and hangers should be taken, and its overall fire resistance performance should meet the requirements of relevant national regulations or standards.
三、在工程防火要求较高的场所,不宜采用铝合金桥架。
3、 Aluminum alloy cable trays should not be used in places with high fire protection requirements in engineering.
四、电缆梯架宽度和高度的选择应符合填充率的要求,电缆梯架的填充率在一般情况下,电力电缆可取40%~50%,控制电缆可取50%~70%,且宜预留10%~25%工程发展裕量。
4、 The selection of cable ladder width and height should meet the requirements of filling rate. In general, the filling rate of cable ladder can be 40% to 50% for power cables, 50% to 70% for control cables, and a 10% to 25% engineering development margin should be reserved.
济南桥架
五、在选择电缆梯架的荷载等级时,桥架的工作均布荷载不应大于所选桥架荷载等级的额定均布荷载,如果桥架的支吊架的实际跨距不等于2m时,则工作均布荷载应满足要求。
5、 When selecting the load level of the cable ladder, the working uniform load of the bridge should not exceed the rated uniform load of the selected bridge load level. If the actual span of the support and hanger of the bridge is not equal to 2 meters, the working uniform load should meet the requirements.
六、各种组件及支吊架在满足相应荷载的条件下,其规格尺寸应与托盘、梯架的直线段、弯通系列相匹配
6、 Under the conditions of meeting corresponding loads, the specifications and dimensions of various components and supports and hangers should match the straight section and bending series of trays and ladders
七、在选择桥架的弯通或引上、引下装置时,不应小于桥架内电缆小允许弯曲半径。
7、 When selecting the bending or upward or downward devices of the bridge, they should not be less than the small allowable bending radius of the cables inside the bridge.
八、对于跨距大于6m的钢制桥架和跨距大于2m或承载要求大于荷载等级D级的铝合金桥架,应按工程条件进行强度、刚度及稳定性的计算或试验验证。
8、 For steel bridges with a span greater than 6m and aluminum alloy bridges with a span greater than 2m or a load-bearing requirement greater than load level D, strength, stiffness, and stability calculations or experimental verification should be carried out according to engineering conditions.
九、几组桥架在同一高度平行敷设时,各相邻电缆桥架之间应考虑维护、检修距离。
9、 When several groups of cable trays are laid in parallel at the same height, the distance between adjacent cable tray shall be considered for maintenance and overhaul.
在安装梯式桥架之前,一定要检查下型号是否正确、产品是否可靠,产品是否有合格证书,正中间曝光和相关鉴定文本文档。还有桥架表面有没有缺陷,是否很光滑、很平整、有没有出现有气泡、蜕皮和挂灰的现象。更多相关内容就来我们网站进行咨询吧!
Before installing the ladder type cable tray, it is necessary to check whether the model is correct, whether the product is reliable, whether the product has a certificate of conformity, the middle exposure, and relevant identification text documents. Also, whether there are any defects on the surface of the bridge, whether it is smooth and flat, and whether there are any bubbles, molting, or ash hanging phenomena. For more related content, come to our website Let's consult!
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