1.山東電纜橋架水平敷設時(shí)，橋架間的對接處距支承點(diǎn)的距離應在跨距的1/4以?xún)?，對于?跨距橋架好放在支承架上對接，在有彎通或三通的地方則需單獨增加支承點(diǎn)，垂直方向的托臂每隔1.5m 設一固定點(diǎn)。

　　1. cable tray laying level, supporting the distance should be 1 / 4 span bridge between the distance within the joint, it is better for large span bridge put butt on the supporting frame, to increase support in a separate curved way or three way place, perpendicular to the direction of the arm every 1.5m with a fixed point.

　　2.電纜橋架的大載荷、支撐間距應小于允許載荷和支撐跨距。

　　2. the maximum load and supporting space of the cable tray shall be less than the allowable load and span.

　　3.橋架內的電纜應用電纜卡帶、或金屬電纜卡子進(jìn)行分組固定。對于水平敷設的電纜通常每隔2m左 右作一固定點(diǎn);對于垂直敷設的電纜應每隔1—1.5m固定一次，在改變標高的端部也應予以固定。

　　The application of cable cable, cable clip or metal cassette tray fixed group 3. For horizontally laid cables, a fixed point is usually maintained at intervals of about 2m; for vertically laid cables, shall be fixed once every 1 to 1.5m, and shall be fixed at the end of the change elevation.

　　4.橋架的安裝應以規范為準，橋架在安裝過(guò) 程中嚴禁載人。

　　4. the installation of the bridge shall be subject to the state standards, and the bridge shall be manned strictly during the installation.

　　5.電纜橋架按電力施工規范要求應進(jìn)行良好接地，對于鍍鋅電纜橋架無(wú)須有專(zhuān)門(mén)接地裝置，其本體 即可作為接地干線(xiàn);對于表面進(jìn)行非金屬處理的橋架則必須有專(zhuān)門(mén)的接地裝置.

　　5. cable tray should be well grounded in the electric power construction specification for galvanized cable tray without special grounding device, the body can be used as a grounding line; for surface treatment of non metal bridge must have special grounding device.

　　6.橋架的立柱、托臂等支架可與基礎預埋件焊接固定，也可采用膨脹螺栓固定，對于現場(chǎng)焊接處一 定要做好防腐處理，通常由用戶(hù)現場(chǎng)涂刷防腐漆。

　　The 6. column, frame bridge can be fixed and welded based embedded parts, also can use the expansion bolt, for on-site welding must be good anti-corrosion treatment, usually by the user site brushing anticorrosive paint.

　　橋架的接地線(xiàn)可用VV- 16mm2電纜或等截面的銅編織線(xiàn)，該線(xiàn)通常由用戶(hù)自備，如由本廠(chǎng)供貨，則應在合同中注明，長(cháng)距離的電纜橋架每隔30—50m接地一次。

　　The bridge ground available VV- 16mm2 cable or non copper braided wire, the line is owned by the user, such as by the factory delivery, shall be specified in the contract, the long distance cable tray every 30 50m grounding once.

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　　The exciting content of this article comes from the Shandong cable tray. Please click on our official website: http://yxsdz.cn/, thank you for coming!