What are the four major moving mechanisms of a tower crane?
Four big bodies of tower crane: lifting, slewing, luffing and walking.
The metal structure includes the tower, the boom and the base. The working mechanism has four parts, lifting, luffing, turning and walking.There are many types of tower crane, if according to whether the walking mechanism, there is a fixed type and operation type; according to the tower structure is divided into rotary, inferior type, attached itself three; if divided by the amplitude, a trolley type, luffing type and folding arm luffing type three; according to the weight division, with light and medium and heavy three.
Tower crane refers to the fuselage for the tower frame, can walk along the track, a crane equipped with rotary arm. The working space is large, mainly used for the vertical and horizontal transportation of materials and the installation of building components during the building construction. It consists of three parts: metal structure, working mechanism and electrical system.
