到目前为止，槽式桥架作仍为我国建设基础设施的一种重要设备，在现代社会中的作用十分凸显，应用非常广泛。通常在没有桥架的条件下，铺设电缆的难度非常大，在安装槽式桥架时又该记住哪些要点与技巧呢？下面 济南电缆桥架厂家为您进行分析：

Up to now, trough type cable trays are still an important equipment for infrastructure construction in China, playing a prominent role in modern society and being widely used. Usually, in the absence of a cable tray, the difficulty of laying cables is very high. What key points and techniques should be remembered when installing a trough type cable tray? The following cable tray manufacturer will analyze for you:

1

one

平直线段桥架吊架间距1.5m~2m，如果采用吊杆支架，吊杆直径不应小于8mm，且需在过梁处应设置固定支架。

The spacing between the suspension brackets of the straight section bridge is 1.5m-2m. If a suspension rod support is used, the diameter of the suspension rod should not be less than 8mm, and fixed brackets should be installed at the lintel.

2

two

转弯处两边各设一组吊架，且两组吊架对称布置，间距不大于1.5米，否则转弯中间位置增设一组吊架。

Set up a set of hangers on both sides of the turn, and arrange the two sets of hangers symmetrically with a spacing of no more than 1.5 meters. Otherwise, add a set of hangers in the middle of the turn.

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three

转弯处两边各设一组吊架，且两组吊架对称布置，间距不大于1.5米，否则转弯中间位置增设一组吊架；顶层桥架距楼板距离不小于150mm，上下层桥架间距不小于150mm。

Set up a set of hangers on both sides of the turn, and arrange the two sets of hangers symmetrically with a spacing of no more than 1.5 meters. Otherwise, add a set of hangers in the middle of the turn; The distance between the top tray and the floor slab shall not be less than 150mm, and the distance between the upper and lower tray shall not be less than 150mm.

4

four

桥架、线槽按砼特殊角度准确放样、加工、安装。

Bridge and trunking shall be accurately laid out, processed, and installed according to the special angle of concrete.

5

five

直线段钢制电缆桥架长度超过30米、铝合金或者玻璃钢制电缆桥架长度超过15米设有伸缩节；电缆桥架跨越建筑物变形缝处设置补偿装置。

Expansion joints are provided for steel cable tray in straight section with a length of more than 30m, and aluminum alloy or glass fiber reinforced plastic cable tray with a length of more than 15m; Compensation device shall be set at the deformation joint of cable tray crossing the building.

6

six

金属电缆桥架及其支架全长应不少于2处于接地干线相连接；桥架首位两端需与配电柜外壳或地线排可靠连接。

The total length of metal cable tray and its support shall not be less than 2 connected to the grounding main line; The first and two ends of the bridge should be reliably connected to the distribution cabinet shell or ground wire row.

7

seven

非镀锌电缆桥架间连接板的两端跨接铜芯接地线，跨接地线一定要注意槽式桥架专用接地孔上，地线的小允许截面积不小于4mm?；连接前剔除接地螺栓下方的绝缘层；镀锌桥架间连接板的两端不跨接接地线，但连接板两端不少于2个有防松螺帽或防松垫圈的连接固定螺栓。

Both ends of the connecting plate between non galvanized cable tray shall be bridged with copper core grounding wires. Attention must be paid to the special grounding hole of the trough type cable tray for the bridged grounding wire. The small allowable sectional area of the grounding wire shall not be less than 4mm?; Remove the insulation layer below the grounding bolt before connection; The two ends of the connecting plate between galvanized cable trays shall not be connected to the grounding wire, but there shall be no less than two connection fixing bolts with anti loosening nuts or washers at both ends of the connecting plate.

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eight

与土建配合，桥架穿越墙体、楼板等部位预先留孔。

In coordination with civil engineering, holes should be reserved in advance for the bridge to pass through walls, floors, and other areas.

9

nine

线槽、桥架底板应与支吊架横担用金属螺栓固定（≤200mm，用一个螺栓固定；＞200mm，距边1/4处两个螺栓固定）。

The bottom plate of the trunking and bridge should be fixed with metal bolts to the cross arm of the support and hanger (≤ 200mm, fixed with one bolt; ＞ 200mm, fixed with two bolts at 1/4 of the edge).

10

ten

桥架穿越墙体及楼板，应用不燃材料封堵；穿越防火分区桥架内必须做防火封堵。

Bridge crossing walls and floors should be sealed with non combustible materials; Fire blocking must be done inside the bridge crossing the fire compartment.

11

eleven

室外安装桥架安装高度不能低于积雪、积水高度，同时考虑选用防水型盖板，进出室外桥架、线槽，室内须高于室外，防止雨水流入室内。

The installation height of outdoor cable trays should not be lower than the height of snow and water accumulation. At the same time, it is considered to use waterproof cover plates. When entering and exiting outdoor cable trays and trunking, the indoor height must be higher than the outdoor height to prevent rainwater from flowing into the indoor area.

安装槽式桥架时记住哪些要点与技巧相关内容就讲解到这里了，希望能够给您好的帮助，更多事项就来我们网站 //www.comprepyme.com进行咨询了解吧！

That's all for the key points and techniques to remember when installing slot type cable trays. We hope it can provide you with good help. For more information, please come to our website //www.comprepyme.com Consult and learn more!