What is tower crane? What are the types and features?
According to the movement can be divided into: walking type and fixed type. The fixed tower crane tower body can not be fixed, installed on the whole concrete foundation, or installed on the strip or X concrete foundation, and the walking type can be divided into four types: caterpillar type, automobile type, tyre type and track type. In the construction of housing, the general use of fixed type. It can be divided into two kinds of horizontal boom, luffing and luffing of luffing arm according to its variable amplitude. According to its installation form, it can be divided into three kinds: self lifting, integral quick dismounting and assembling. The most widely used are down slewing, rapid dismounting, track type tower cranes and self elevating tower cranes which can be used with four machines (track type, fixed type, attached type and internal climbing type).
[classification and characteristics]Tower crane is divided into two categories: upper slewing tower and lower slewing tower crane. Among them, the bearing capacity of the former is higher than that of the latter. In many construction sites, what we have seen is the tower crane with rotary top, top lift and knot joint.
[definitions]Tower crane (tower crane) is called tower crane, also known as tower crane, originated in Western europe. A revolving crane mounted on top of a tall tower. 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. The metal structure includes the tower, the boom and the base. The working mechanism has four parts, lifting, luffing, turning and walking. The electrical system consists of motors, controllers, power distribution cabinets, connecting lines, signals and lighting devices, etc..
