There are always some common problems in the installation of cable tray. Now Shandong cable tray company will summarize some common quality problems in the installation of cable tray, hoping to attract the attention of the majority of bridge tray installation companies, and help you all!

1.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。

1. Galvanized bridge frame uses connecting plate as cross-grounding wire, connecting bolt without loosening measures, bridge frame is too long, only one end is connected with PE line.

2.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。

2. The bridge girder is at the joint of variable direction and diameter, and does not use special parts, so that the joint treatment is not standardized.

3.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。

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

4.吊、支架安装不牢；间距过大，造成电缆桥架挠度过大。

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

5.桥架的盖板不全，或扭曲变形。

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

6.桥架敷设过长，未按规定预留伸缩缝和安装伸缩节。

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

7.桥架敷设在蒸汽热力管道的上方，而且无保护措施。

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

8.桥架与其它管道距离，小于标准值，且无技术防护措施。

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

9.桥架在穿越防火墙及楼板时，未作防火封堵处理。

9. When the bridge traverses the firewall and floor, it is not blocked by fire.

10.桥架污染严重，甚出现锈腐现象。

10. Bridge frames are seriously polluted and even rusted.

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The above wonderful content is provided by the friendship of Shandong Cable Bridge Company. More wonderful content please continue to pay attention to us: http://www.sdhangfeng.com, we will have more wonderful content waiting for you to see!