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高强度螺栓是塔吊及升降机标准节的主要紧固件之一,正确使用与否,严重影响塔机及升降机的安危。很多施工单位在安装过程中,都是凭操作经验来扭紧高强度螺栓。也有的设备说明书对高强度螺栓技术交待不清。本文就此问题谈
High strength bolts are one of the main fasteners of tower crane and elevator standard section. Proper use or not will seriously affect the safety of tower crane and elevator. Many construction units in the installation process, are operating experience to tighten the high strength bolts. Some equipment brochures explain the high-strength bolt technology unclear. This article talk about this issue