The structure of a tower crane mainly includes working mechanism, metal structure, and power mechanism. The functions of each part are divided into foundation, tower body, telescopicing, slewing, lifting, balancing arm, lifting arm,  trolley, tower head, driver's cab, and variable amplitude parts.

     Tower crane refers to a rotating crane with a boom installed on the upper part of a Slewing tower

It is divided into two types based on the boom form: horizontal and pressure rod. It is composed of three parts: metal structure, working mechanism, and electrical system. It is mainly used for vertical and horizontal transportation of materials in building construction and installation of building components. Metal structure includes tower body, boom, base, attachment rod, etc. The working mechanism consists of four parts: lifting, luffing, slewing, and walking. The electrical system includes motors, controllers, distribution boxes, connecting lines, signal and lighting devices, etc