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Installation and dismantling method of internal climbing tower crane

Time: 2018-12-04 14:24

When using internal climbing tower cranes for construction, first of all, special attention should be paid to the preparations for the installation work. The installation of cranes in Wuxi should be equipped with truck cranes suitable for auxiliary installation with proper lifting performance. The amplitude, hook height and lifting weight should meet the needs of climbing tower cranes installed in foundation pit.

The installation sequence of internal climbing tower cranes is as follows: the base and foundation section of climbing tower cranes - climbing system, all tower standard sections - bearing, slewing bearing, turntable and slewing mechanism, tower top, cab - balance arm, boom, counterweight. The climbing frame and related accessories can also be installed at the climbing opening of the corresponding floor before climbing up the tower crane.

The internal climbing tower crane is made up of tower body, tower cap, boom, balance arm and climbing mechanism. It is installed in the interior of the building (elevator shaft or staircase, etc.). The construction surface is round. This is because the tower crane is composed of an internal climbing frame, an internal climbing guide, a climbing ladder and a buried box, and a climbing up system is composed of an inner climbing upper section, an inner climbing lower section, an upper cross beam and a lifting beam. This greatly increased the scope of operation of the tower crane.

Compared with attached tower crane, the internal climbing tower crane has the characteristics of effective construction capacity, low manufacturing cost, low use cost, high safety and small floor area of tower crane component material library. However, the internal climbing tower crane foundation is located on the body of the building, where the body needs to be strengthened, which is its deficiency.

After the use of internal climbing tower cranes, it often means that the main part of the building is completed and entered the stage of interior decoration. This is the first duty of tower crane drivers, tower crane repairmen and commanders. However, this process is often the high incidence of accidents. The main reason is that the tower crane workers are relaxed because of the completion of their tasks, and some of the construction workers are not familiar with the technology and do not operate according to the relevant regulations.