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空气绝缘桥架在工程使用上有什么优势?

空气绝缘桥架热浸镀锌的托盘桥架镀层表面应均匀,无毛刺、过烧、挂灰、伤痕、局部为镀锌等缺陷,不得有影响安装的锌瘤,螺纹的镀层应光滑;螺栓连接件应能拧入。喷涂桥架应平整、光滑、均匀、不起皮、无气泡水泡。桥架焊缝表面均匀,不得有漏焊、裂纹、夹渣、烧穿、弧坑等缺陷。
The coating surface of the hot-dip galvanized tray of the air insulated bridge shall be uniform, free of defects such as burr, overburning, ash hanging, scar, local galvanizing, etc., and shall not have zinc nodules that affect the installation, and the coating of the thread shall be smooth; Bolted connections shall be screwed in. The painted bridge shall be flat, smooth, uniform, without peeling and bubbles. The weld surface of the bridge shall be uniform, and there shall be no defects such as missed welding, crack, slag inclusion, burnthrough, crater, etc.
各类弯通及附件规格,应适合工程布置条件,并与托盘、梯架配套;支吊架规格选择,应按托盘、梯架规格配置,并应满足荷载的要求。根据施工图确定始端到终端位置,沿图纸标定走向,找好水平、垂直、弯通,用粉线袋或画线沿桥架走向在墙壁、顶棚、地面、梁、板、柱等处弹线或画线,并均匀档距画出支、吊、托架位置。
The specifications of various bends and accessories shall be suitable for the engineering layout conditions and shall be matched with the tray and ladder; The specifications of supports and hangers shall be selected according to the specifications of trays and ladders, and shall meet the load requirements. Determine the position from the beginning to the end according to the construction drawing, mark the direction along the drawing, find out the horizontal, vertical, and bending, use chalk bags or draw lines along the bridge direction to snap or draw lines on the wall, ceiling, floor, beam, plate, column, etc., and draw the positions of supports, hangers, and brackets evenly.
1.空气绝缘桥架支吊架安装支架与吊架所用钢材应平直,无显着扭曲。下料后长短偏差应在3mm范围内,切口处应无卷边、毛刺。
济南电缆桥架
1. The steel used for the installation of supports and hangers of air insulated bridge shall be flat and straight without significant distortion. The length deviation after blanking shall be within 3mm, and the notch shall be free of curling and burr.
2.空气绝缘桥架钢支架与吊架应焊接牢固,无显着变形,焊接前厚度超过4mm的支架、铁件应打坡口,焊缝均匀平整,焊缝长度应符合要求,不得出现裂纹、咬边、气孔凹陷、漏焊等缺陷。
2. The steel support and hanger of the air insulated bridge shall be welded firmly without significant deformation. The support and iron parts with a thickness of more than 4mm shall be beveled before welding. The weld shall be uniform and flat. The length of the weld shall meet the requirements, and there shall be no cracks, undercuts, air holes, dents, missed welding and other defects.
3.空气绝缘桥架根据支架承受的荷重,选择相应的膨胀螺栓及钻头;所选钻头长度应大于膨胀套管的长度,打孔的深度应以将套管全部埋入墙内或顶板内后为标准,表面平齐为宜。应先清除干净打好的孔洞内的碎屑,然后再用木锤将膨胀螺栓敲进洞内,应保证套管与建筑物表面平齐,螺栓端部外露,敲击时不得损伤螺栓的丝扣。埋好螺栓后,用螺母配上相应的垫圈将支架或吊架直接固定在金属膨胀螺栓上。
3. The air insulated bridge shall select the corresponding expansion bolts and drill bits according to the load borne by the support; The length of the selected drill bit should be greater than the length of the expansion casing, and the depth of the hole should be based on the standard after the casing is completely buried in the wall or roof, and the surface should be flush. The debris in the hole shall be cleaned first, and then the expansion bolt shall be knocked into the hole with a wooden hammer. The casing shall be flush with the building surface, and the bolt end shall be exposed. The screw thread of the bolt shall not be damaged when knocking. After embedding the bolts, use nuts and corresponding washers to fix the bracket or hanger directly on the metal expansion bolts.
 
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