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电缆桥架不同角度是怎么进行连接的

桥架直线段之间、直线段与弯通、变径直通之间的连接件,应采用桥架制造厂配套的连接件。连接件薄钢板厚度不应小于桥架薄钢板厚度。接口应平整,无扭曲、凸起和凹陷,连接用的半园头镀锌螺栓,半园头应在桥架内侧,螺栓长度适当,拧紧之后,露出长度以2~5牙为宜。水平安装的桥架,其直线段的连接头,应尽量设在两个支吊架之间的1/4左右处。
The connectors between the straight-line sections of the bridge, between the straight-line sections and the elbow and reducer shall be the connectors matched by the bridge manufacturer. The thickness of the connecting piece steel sheet shall not be less than that of the bridge steel sheet. The interface should be flat without distortion, bulge and depression. The half round head galvanized bolt used for connection should be on the inside of the bridge. The length of the bolt should be appropriate. After tightening, the exposed length should be 2 ~ 5 teeth. For the horizontally installed bridge, the connector of the straight section should be set at about 1/4 between the two supports and hangers as far as possible.
1.一般情况下不在施工现场制作桥架。由于特殊原因需要时,可利用现有的桥架改制非标准弯通和变径直通。改制和切断直线段桥架时,均不得用气、电焊切割,应用专用切割工具。改制的桥架需要平整,及时补漆,面漆颜色应与其它桥架相近。
1. In general, bridges are not made on the construction site. When necessary for special reasons, the existing bridge can be used to reform non-standard elbow and reducing straight. When reforming and cutting the straight-line bridge, gas and electric welding shall not be used for cutting, and special cutting tools shall be used. The restructured cable tray needs to be leveled and painted in time, and the finish color should be similar to that of other cable trays.
2.桥架跨越建筑物的伸缩缝处,按GB50168规定,应设置伸缩缝,保证桥架及敷设在桥架内的电缆在建筑物伸缩不危及其本身时能自由伸缩,不受损坏。因为新建建筑物里,桥架安装一般都在混凝土结构工程完成数月甚一年之后进行,混凝土收缩逐渐减小。伸缩量一般不会超过建筑物伸缩缝宽L。
2. At the expansion joints where the bridge crosses the building, expansion joints shall be set according to GB50168 to ensure that the bridge and the cables laid in the bridge can expand freely without damage when the expansion of the building does not endanger its own safety. Because in new buildings, the bridge installation is generally carried out months or even a year after the completion of the concrete structure project, and the concrete shrinkage gradually decreases. Generally, the expansion amount will not exceed the expansion joint width l of the building.
3.若发现或从土建单位了解到建筑物伸缩缝较大有可能超过L时,应按实际做好伸缩处理。要跨越伸缩缝的桥架少一侧有较长的直线段,宜超过30m,或伸缩缝两侧直线段桥架相加有30m,中间无水平或垂直弯通。以便于在桥架中留电缆(或电线)的伸缩余量,这个余量应大于伸缩缝宽L。
3. If it is found or learned from the civil engineering unit that the expansion joint of the building is large and may exceed L, the expansion treatment shall be carried out according to the actual situation. At least one side of the bridge to cross the expansion joint has a long straight-line segment, which should be more than 30m, or the sum of the straight-line segments on both sides of the expansion joint is 30m, and there is no horizontal or vertical bend in the middle. In order to reserve the expansion allowance of cables (or wires) in the bridge, this allowance should be greater than the expansion joint width L.
以上就是为大家介绍的有关济南电缆桥架的详细的介绍,希望对您有所帮助.如果您有什么疑问的话,欢迎联系我们.我们将以的态度,为您提供服务http://www.sdhangfeng.com
The above is a detailed introduction about Jinan cable tray, which I hope will be helpful to you If you have any questions, please contact us We will provide you with professional service http://www.sdhangfeng.com
 
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