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、支架安裝不牢；間距過大，造成電纜橋架撓度過大。

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

2.橋架接頭處不平齊，通過變形縫，沒按規(guī)定和規(guī)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.鍍鋅橋架使用連接板作跨接地線，連接螺栓無防松措施，橋架過長，只有一端與PE線相連接。

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.橋架在變向、變徑的接頭部位，不使用專用件，使接頭處理不規(guī)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.橋架在穿越防火墻及樓板時，未作防火封堵處理。

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

6.橋架與其它管道距離，小于標準值，且無技術防護措施。

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

7.橋架的蓋板不全，或扭曲變形。

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

8.橋架敷設過長，未按規(guī)定預留伸縮縫和安裝伸縮節(jié)。

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

9.橋架敷設在蒸汽熱力管道的上方，而且無保護措施。

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

10.橋架污染嚴重，甚出現(xiàn)銹腐現(xiàn)象。

10. Bridge frames are seriously polluted and even rusted.

11.橋架在選用導線作為接頭處的跨接地線時，其導線的截面選用不當。

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.電纜排列紊亂有交叉。

12. The cable arrangement is disorderly and crossed.

13.橋架與友架間固定螺栓不齊全。

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

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