QNP10 inner climbing tower crane is made of metal structure, transmission, electric control and safety protection device, each part of the structure and characteristics outlined below:
The whole machine fixed to the concrete beams of the building by the collar tie, the upper body of the tower is connected to the lower turntable, the lower turntable is connected to the outside ring of the slewing bearing. Fastened to the rotary bearing inner ring rotating parts, including a rotary turret, tower cap, balance arm, boom, hook, lifting mechanism, these components can be around the tower axis in their respective for 540°of the horizontal plane along with full swing.
Cargo boom connected with tower cap by two pulling rods, its bottom and the upper turntable are connected by the pin roll, the balanced jib is connected to the tower cap by two pulling rods ,its bottom and the upper turntable are connected by pin roll. The hoisting mechanism is installed in the back of the balanced jib, slewing mechanism is on the right of the upper turntable, the hook is pulled by the hoisting mechanism and does piston motion.