What is an attached tower crane?
Attached tower crane is due to the height of the building is relatively high, a steel connection in order to strengthen the stability of tower crane between tower crane and tower crane building, this form is called the attached tower crane.
Its weight is 5 ~ 100kN, lifting radius of 3 ~ 35m (trolley), the lifting height is 160m, the maximum lifting torque of 1600kN - m, each with high 2.5m, the QT4 - 10 type crane lifting system comprises a lifting sleeve frame, long stroke hydraulic jack, bearing seat, lifting beam and a positioning pin. The cylinder block of the hydraulic jack is installed on the support seat at the bottom of the tower, and the lifting process can be divided into five steps.
Attached tower craneAttached tower crane is arranged close to the building, the tower by themselves to rise up with the increase of buildings and roof, tower, every 20m with attachment support device, the tower body is fixed on the building, in order to maintain stability. Figure 11 is a QT4 - 10 self - elevating four - tower crane (attachable, stationary, walkable, and climbing).
