橋架使用期間并不是說一點問題都不會出現，我們所要做的便是采取相應的措施來預防問題存在，下面山東電纜橋架廠家為您講解一番吧。

It doesn't mean that there will be no problems during the use of cable tray. What we need to do is to take corresponding measures to prevent problems. Now Shandong cable tray manufacturer will explain it to you.

1、根據建筑物的不同結構，采用合理、相應的固定方法。固定在磚墻上的支臂要做好保濕工作。應用于在堅硬的灰色表面上注漿螺栓，或用干硬細石混凝土搗打螺栓或支架。須有強度后才能固定，但固定吊架和支架的螺栓數量，須與吊孔和支架固定孔的數量相同，全部安裝使用，并應有效擰緊.

1. Reasonable and corresponding fixing methods shall be adopted according to different structures of buildings. The arm fixed on the brick wall shall be well moisturized. It shall be used for grouting bolts on hard gray surfaces or ramming bolts or supports with dry hard fine aggregate concrete. It can be fixed only after it has strength, but the number of bolts used to fix the hanger and bracket must be the same as the number of lifting holes and bracket fixing holes, all of which should be installed and used, and should be effectively tightened

2、操作要認真，關節要水平。通過變形縫時，可采取斷開措施。斷開距離應在100mm左右。該方法用于解決沉降變形對橋架的破壞。

2. The operation shall be careful and the joints shall be horizontal. Breaking measures can be taken when passing through deformation joints. The disconnection distance shall be about 100mm. This method is used to solve the damage of bridge caused by settlement deformation.

3、鍍鋅橋接板用于跳接地。螺栓須用防松墊緊固，以確保連接牢固。電橋須保證可靠接地。接地（PE）線和電橋須在不少于2處連接。

3. Galvanized bridge plates are used for jump grounding. The bolts must be fastened with locking pads to ensure firm connection. The bridge must be reliably grounded. The grounding (PE) line and the bridge must be connected at not less than 2 places.

4、訂購橋架縮徑變向接頭時，應根據實際情況向生產廠家提出具體技術要求，并提供全套附件。包括固定螺栓、螺母、平墊圈和彈簧墊圈等。

4. When ordering the reducing connector of bridge, specific technical requirements shall be proposed to the manufacturer according to the actual situation, and a full set of accessories shall be provided. Including fixing bolts, nuts, flat washers, spring washers, etc.

5、當橋架穿過地板或防火墻時，須按照設計或本標準的規定進行阻擋。

5. When the bridge passes through the floor or firewall, it must be blocked according to the design or this standard.

6、橋架與其他管道的安全距離應符合表12.10.3（6）的要求。

6. The safe distance between the cable tray and other pipelines shall meet the requirements of Table 12.10.3 (6).

7、安裝時應妥善保管橋蓋，防止丟失或損壞，以確保蓋板安裝完整。

7. During installation, the bridge cover shall be properly kept to prevent loss or damage, so as to ensure the complete installation of the cover.

8、電纜橋架直線段每50m（30m）應預留20-30mm的伸縮縫。連接宜采用伸縮連接板，封閉母線槽直段敷設長度每40m應安裝伸縮接頭。為防止線路敷設時間過長，由于溫差的變化，形成應力會導致橋架變形損壞。

8. 20-30mm expansion joint shall be reserved for every 50m (30m) of straight section of cable tray. Expansion joint plate shall be used for connection, and expansion joint shall be installed every 40m of the straight section of enclosed bus duct. In order to prevent the line from being laid for too long, the bridge will be deformed and damaged due to the stress caused by the change of temperature difference.

9、在蒸汽管道上方架設橋架時，應對管道進行屏蔽或保護。無設計要求時，可根據設計要求，采用薄鐵板或石棉板擋住。

9. When the bridge is erected above the steam pipe, the pipe shall be shielded or protected. If there is no design requirement, thin iron plate or asbestos plate can be used to block according to the design requirements.

10、橋架污染嚴重，生銹。應加強安裝并處理腐蝕。噴涂應使用與橋架防腐漆相同的材料。

10. The bridge is seriously polluted and rusted. The installation shall be strengthened and the corrosion shall be treated. The same materials as the bridge anti-corrosion paint shall be used for spraying.

11、跳線接地線應符合規范要求或設計要求；但截面不得小于4mm2銅芯線。電纜排列雜亂、交叉；安裝前應繪制排布圖，確保不交叉，安裝時應將線纜擺放整齊，確保線纜排列整齊、整齊。

11. The jumper grounding wire shall meet the specification requirements or design requirements; However, the section shall not be less than 4mm2 copper core wire. Cables are arranged disorderly and crossed; Before installation, the layout diagram shall be drawn to ensure no crossing. During installation, the cables shall be placed in order to ensure that the cables are arranged in order.

12、注意檢查橋架與支架之間的固定螺栓，不可省略。

12. Pay attention to check the fixing bolts between the cable tray and the support, which cannot be omitted.

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