The cable tray shall be fixed and shall not be suspended. Look for fixed points to support and fix. The distance between the cable tray and this fixed point is called the cable tray fixed point spacing.

濟(jì)南電纜橋架

Jinan cable tray

（1）支架和吊架所用鋼材應(yīng)平整，無(wú)明顯扭曲。出料后的長(zhǎng)度偏差在3mm范圍內(nèi)，切口無(wú)卷曲、毛刺。

(1) The steel used for supports and hangers shall be flat without obvious distortion. The length deviation after discharging shall be within 3mm, and the notch shall be free of curl and burr.

（2）鋼托架和吊架焊接牢固，無(wú)顯著變形，焊前厚度超過(guò)4mm的托架，鐵材開(kāi)坡口，焊接均勻平整，焊接長(zhǎng)度應(yīng)符合要求，不得產(chǎn)生龜裂、蝕端、氣孔、凹陷、焊接泄漏等缺陷。

(2) The steel bracket and hanger shall be welded firmly without significant deformation. For the bracket with a thickness of more than 4mm before welding, the iron material shall be beveled, the welding shall be uniform and flat, the welding length shall meet the requirements, and there shall be no cracks, corroded ends, pores, depressions, welding leakage and other defects.

（3）支架與吊架應(yīng)安裝牢固，保證橫平豎直，在有坡度的建筑物上安裝支架與吊架應(yīng)與建筑物的坡度、角度一致。

(3) The supports and hangers shall be firmly installed to ensure horizontal and vertical. The installation of supports and hangers on sloping buildings shall be consistent with the slope and angle of the buildings.

電纜支架的層間允許較小距離，當(dāng)設(shè)計(jì)無(wú)規(guī)定時(shí)，但層間凈距不應(yīng)小于兩倍電纜外徑加10mm,35kV及以上高壓電纜不應(yīng)小于2倍電纜外徑加50mm。

Small distance is allowed between layers of cable support. When there is no provision in the design, but the clear distance between layers shall not be less than twice the cable outer diameter plus 10mm, and for 35kV and above high-voltage cables, it shall not be less than twice the cable outer diameter plus 50mm.

（4）支架與吊架的規(guī)格一般不應(yīng)小于扁鋼30mm X 3mm,角鋼25mmX 25mmX 3mm。

(4) Generally, the specifications of supports and hangers shall not be less than 30mm x 3mm for flat steel and 25mm x 25mm x 3mm for angle steel.

電纜支架應(yīng)安裝牢固，橫平豎直；托架、支吊架的固定方式應(yīng)按設(shè)計(jì)要求進(jìn)行。各支架的同層橫擋應(yīng)在同一水平面上，其高低偏差不應(yīng)大于5mm。托架、支吊架沿橋架走向左右的偏差不應(yīng)大于10mm,在有坡度的電纜溝內(nèi)或建筑物上安裝的電纜支架，應(yīng)有與電纜溝或建筑物相同的坡度。電纜支架上層及下層溝頂、樓板或溝底、地面的距離。

The cable support shall be installed firmly, horizontally and vertically; The fixing method of brackets, supports and hangers shall be carried out according to the design requirements. The cross stop of the same layer of each support shall be on the same horizontal plane, and its height deviation shall not be greater than 5mm. The left-right deviation of brackets, supports and hangers along the bridge direction shall not be greater than 10mm. The cable supports installed in the sloping cable trench or buildings shall have the same slope as the cable trench or buildings. Distance from upper and lower layers of cable support to trench top, floor or trench bottom and ground.

（5）嚴(yán)禁用電氣焊切割鋼結(jié)構(gòu)或輕鋼龍骨任何部位。

(5) It is forbidden to cut any part of steel structure or light steel keel by electric welding.

（6）吊設(shè)備具應(yīng)采用定型產(chǎn)品，并應(yīng)有各自獨(dú)立的吊裝卡具或支撐系統(tǒng)。

(6) The lifting equipment shall adopt finalized products and shall have their own independent lifting fixtures or support systems.

（7）固定支點(diǎn)間距一般不應(yīng)大于1。 5-2m。在進(jìn)出接線盒、箱、柜、轉(zhuǎn)角、轉(zhuǎn)彎和變形縫兩端及丁字接頭的三端500mm以內(nèi)應(yīng)設(shè)固定支持點(diǎn)。

(7) The distance between fixed fulcrum shall not be greater than 1. 5-2m。 Fixed support points shall be set within 500mm from both ends of inlet and outlet junction boxes, boxes, cabinets, corners, turns and deformation joints and three ends of T-joints.

（8）嚴(yán)禁用木磚固定支架與吊架。

(8) It is forbidden to fix the support and hanger with wood bricks.