What information and procedures are needed in the process of newly installing tower crane on site?

First of all, the installation unit should be able to provide qualifications, and the tower crane should have the factory certificate and relevant factory inspection report. After the installation, the local special equipment management unit shall be entrusted for inspection and acceptance, and qualified. Then take the original certificate, tower crane work permit, command card, cable card, An Wei card, one original and one copy to the municipal construction government affairs hall to apply for the use certificate.

Report to the inspection station for on-site acceptance, and report the tower crane foundation layout, concrete pouring construction records and foundation construction report materials including plan and profile. The plan shall indicate the size and relative position of each pedestal; The profile should show the reinforcement, concrete strength, basement height and basement treatment method (generally written as plain soil compaction), and should also indicate the embedding size of anchor bolts.

It can be divided into downward rotation (tower rotation) and upward rotation (tower non-rotation). The lower rotary tower crane sets the main mechanism of slewing bearing and counterweight at the lower end, which has the advantages of small bending moment, low center of gravity, good stability and convenient installation and maintenance, but the disadvantages are high requirements for slewing bearing and limited installation height.

The upper slewing tower crane has slewing support and balance weight, and the main mechanism is arranged at the upper end. Its advantages are that the tower body does not rotate, which simplifies the lower structure of the tower and is convenient for hoisting and adding joints. The disadvantage is that when the building exceeds the height of the tower, the rotation of the tower crane is limited due to the influence of the balance arm, and at the same time, the center of gravity is higher, the wind pressure increases, the weight increases, and the total weight of the whole machine increases.