Tower crane, also known as tower crane, originated in Western Europe. A rotating crane with a boom mounted on the upper part of a towering tower. Large workspace, mainly used for vertical and horizontal transportation of materials and installation of building components in building construction. It consists of three parts: metal structure, working mechanism, and electrical system. The metal structure includes the tower body, boom, and base. The working mechanism consists of four parts: lifting, variable amplitude, turning, and walking. The electrical system includes motors, controllers, distribution cabinets, connecting circuits, signal and lighting devices, etc.
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