加固普通井架塔吊的风缆绳通常被人们称为“辫子”。在作业时,这些“辫子”常常妨碍起吊,影响工效。革除井架塔吊的“辫子”是建筑业多年的愿望,也是我省(山东)建筑机械革新的一项研究课题。今年四月,青岛建筑第二制修厂研制成功无风 Wind cables used to reinforce conventional derricks and tower cranes are often referred to as “rakes”. When working, these “rakes” often hinder lifting and affect ergonomics. The removal of the derrick’s “tweezers” is the desire of the construction industry for many years, and it is also a research topic for the innovation of construction machinery in our province (Shandong). In April of this year, Qingdao Construction Second Repair Factory successfully developed windless