Hot Sale Luffing Jib Crane Luffing Jib Crane Hammerhead Construction Tower Crane

Product Parameters    QTD 125 jib tower crane operating mechanism, luffing mechanism, slewing mechanism and metal structure. The QTD 125 jib tower crane is the basic working mechanism of the crane, which is mostly composed of the suspension system and winch, and some lift heavy objects through the hydraulic system. The operating mechanism is used to move heavy objects longitudinally and horizontally or adjust the working position of the crane. It is generally composed of motor, reducer, brake and wheel. The luffing mechanism is only equipped on the jib crane. The QTD 125 jib tower crane when the jib is raised and increases when it is lowered. It is divided into balanced luffing and unbalanced luffing. The slewing mechanism is used to rotate the boom and is composed of a driving device and a slewing bearing device. The metal structure is the framework of the crane. The main bearing parts such as bridge, boom and gantry can be box structure or truss MechanismsNamesModelsOperating speed(m/min)weight(t)Rope Capacity(m)MotorHoisting45LVF25A=20~455               500m                               >500m ★                   Frequency Control45KW0~902.5α=40~22.550~4510Luffing45DFV40