the characteristics and advantages of the inner climbing tower crane model


After many years of development, tower cranes have been derived from a large number of varieties. According to the design form, they can be divided into self-ascending tower cranes, inner climbing tower cranes, flat head towers, movable arm towers, and fast mounted towers.

 Hang and so on. Among them, the inner climbing tower is often used in high-rise building construction.
In general, the interior climbing tower crane has the advantages of large effective construction capacity, low manufacturing costs, low operating costs, and a small area of material storage for the safety Gaohe crane assembly.

L46A3 Mast Section

In the current Chinese standard classification, the tower crane model The standard is QT, The "Q" represents the "crane" and the "T" represents the "tower". Since the inner climbing tower crane mechanism is on the upper part, it is on the number.

This type of tower crane is also classified as "QTZ"-that is, it is classified as "up and rising" tower.
Unlike common attached tower cranes, interior climbing tower cranes are installed inside the building(special openings such as elevator shafts or stairwells).

The construction surface is full circle. This is particularly important in the construction of cities with high building density. Because the horizontal tower lifts its heavy arm across the block, it is easy to collide with buildings, wires, water pipes, etc., causing accidents and causing danger.

L46A3 Mast Section

In addition, the inner climbing tower crane is also known as the "climbing tower crane." Therefore, such models produced by some manufacturers are also independently classified as a category, and the prefix "QTP" is given on the code. The digital code of the inner climbing tower crane is still the same as that of other models. 

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