The installation of cable bridge is very fastidious and the quality is very important. The following manufacturers of cable bridge summarize some common quality defects which are easy to occur in the installation of cable bridge. I hope you should be careful in the installation.

1.吊、支架安装不牢；间距过大，造成电缆桥架挠度过大。

1. Installation of suspension and bracket is not firm; too large spacing results in too large deflection of cable bridge.

2.桥架接头处不平齐，通过变形缝，没按规定和规范要求采取措施。

2. The joint of the bridge is uneven, and measures have not been taken according to the regulations and specifications through the deformation joints.

3.镀锌桥架使用连接板作跨接地线，连接螺栓无防松措施，桥架过长，只有一端与PE线相连接。

3. Galvanized bridge frame uses connecting plate as cross-grounding wire. There are no loosening measures for connecting bolts. The bridge frame is too long and only one end is connected with PE line.

4.桥架在变向、变径的接头部位，不使用专用件，使接头处理不规范。

4. The bridge frame is in the joint position of variable direction and diameter, and does not use special parts, so that the joint treatment is not standardized.

5.桥架在穿越防火墙及楼板时，未作防火封堵处理。

5. When the bridge traverses firewalls and floor slabs, it is not treated as fire-proof plugging.

6.桥架与其它管道距离，小于标准值，且无技术防护措施。

6. The safe distance between the bridge and other pipelines is less than the standard value, and there is no technical protection measures.

7.桥架的盖板不全，或扭曲变形。

7. The cover of the bridge is incomplete or distorted.

8.桥架敷设过长，未按规定预留伸缩缝和安装伸缩节。

8. Bridge erection is too long to reserve expansion joints and install expansion joints as required.

9.桥架敷设在蒸汽热力管道的上方，而且无保护措施。

9. Bridge erection is laid on the top of steam thermal pipeline without protective measures.

10.桥架污染严重，甚出现锈腐现象。

10. Bridge frames are seriously polluted and even rusted.

11.桥架在选用导线作为接头处的跨接地线时，其导线的截面选用不当。

11. When the conductor is selected as the cross-grounding wire at the joint of the bridge, the section of the conductor is improperly selected.

12.电缆排列紊乱有交叉。

12. The cable arrangement is disorderly and crossed.

13.桥架与友架间固定螺栓不齐全。

13. The fixed bolts between the bridge frame and the friend frame are incomplete.

本文由济南电缆桥架提供技术支持，更多的详细精彩内容请点击我们的网站：http://www.sdhangfeng.com，我们将会全心全意为您提供满意的服务。

This article is supported by cable bridge manufacturers. For more details, please click on our official website: http://www.sdhangfeng.com. We will provide you with satisfactory service wholeheartedly.