随着市场变化桥架已经遍布市场桥架分类有很多。而且在我们的生活中各个地方都会用到这款产品。现在就由济南航丰电缆桥架厂家给大家详细介绍一下电缆桥架技术有什么要求？

With the change of the market, the cable tray has spread all over the market. And it's used everywhere in our lives. Now by Jinan Hangfeng cable bridge manufacturers to give you a detailed introduction of cable bridge technology what requirements?

挠度不应大于4mm

The deflection shall not be greater than 4mm

螺栓孔径可比螺杆公称直径大于1.5mm（螺杆直径不应大于M16）时或2mm（螺杆直径不小于M20）时螺栓孔精度不应低于H14级

When the nominal diameter of the comparable screw is greater than 1.5mm (the screw diameter shall not be greater than M16) or 2mm (the screw diameter shall not be less than M20), the accuracy of the bolt hole shall not be lower than h14

螺栓连接孔的孔距允许偏差：同一组内相邻两孔间≤±0.7mm；同一组内任意两孔间≤±1.0mm,相邻两组的端孔间≤±1.2mm。

Allowable deviation of bolt hole distance: between two adjacent holes in the same group ≤ ± 0.7mm； Between any two holes in the same group ≤ ± 1.0 mm, between end holes of two adjacent groups ≤ ± 1.2mm。

在水平弯曲，垂直方向弯曲、分支和电缆梯架缩小宽度时，须使用制造厂的标准直角弯节，分支接头，偏心缩节，直线缩节。

For horizontal bending, vertical bending, branch and cable ladder narrowing, the manufacturer's standard right angle bending joint, branch joint, eccentric shrinkage joint and straight shrinkage joint shall be used.

防火漆要求平整、光滑、均匀、不起皮、无气泡水疱。

Fireproof paint should be flat, smooth, uniform, no peeling, no bubble blister.

附件表面防腐处理与桥架主体结构相一致，电缆桥架的连接片开孔数量及使用连接螺栓、平弹垫套数、规格应满足规范跨接连接相应要求。桥架的盖板材质规格应等同于电缆桥架。

The surface anti-corrosion treatment of the accessories is consistent with the main structure of the cable tray. The number of holes in the connecting piece of the cable tray and the number and specification of connecting bolts and flat elastic pad sets used shall meet the corresponding requirements of the standard bridging connection. The material specification of the cover plate of the cable tray shall be the same as that of the cable tray.

提供电缆桥架附件数量应充足，并能满足施工所需要求。电缆桥架的连接片及跨接铜编织带均考虑5%的余量，螺栓栓帽、垫片考虑百分之10%的余量。

The number of cable tray accessories shall be sufficient to meet the construction requirements. 5% allowance shall be considered for connecting piece and bridging copper braided belt of cable tray, and 10% allowance shall be considered for bolt cap and gasket.

电缆桥架生产长度为2米一节，长度为2米时，偏差不应大于2mm

The production length of cable tray is 2m. When the length is 2m, the deviation shall not be greater than 2mm