The ratio D/d of the minimum nominal diameter of pulleys, drums, and balance pulleys to the nominal diameter of the wire rope shall meet the requirements of GB3811-83. The flange on the side of the drum exceeds the height of the outermost wire rope

Tower crane (hereinafter referred to as tower crane) is one of the indispensable construction machinery in building construction. Due to its own characteristics and special working methods

With the development of social economy, the construction of high-rise and super high-rise buildings is increasing. As a tower crane for vertical transportation of building materials, it has become one of the necessary construction equipment on construction sites.

Check whether the markings and anti-falling devices of the hook meet the requirements, whether the hook has defects such as cracks, peeling, etc.; whether the hook section is worn, the increase in opening degree

With the development of my country's construction industry, tower cranes and tower cranes play a very important role in the construction industry. So how to dismantle the tower crane? The specific method is as follows: