Things you should know about self-erecting tower crane rental.

 The tower cranes are amongst the largest pieces of equipment used in the building projects, as the skyline of almost any city will likely include at least a few tower cranes. For lifting heavy materials such as steel and concrete, construction companies use these tower cranes. Using the self-erecting tower crane rental, larger devices like acetylene torches, motors, and generators are also transported.

The lifting capacity can be easily underestimated based on the appearance since the tower cranes are slender compared to the high-rise buildings. Without tipping over, how can the tower crane stand? Is it capable of lifting this much weight in total? Along with the installation, does the crane become any taller? The basic principles of the self-erecting tower cranes and their functionalities are discussed here.

Tower Crane Parts

The tower cranes are mainly composed of three main parts: the base, the mast or tower, and the slewing unit.

BASE: The direct support of the crane is its base. To carry this entire weight, it is connected to a large concrete foundation.

MAST OR TOWER: The mast is the supporting structure that gives this crane the height connected to the base. To provide the crane with its strength, the mast has a large triangulated lattice structure.

SLEWING UNIT: Being attached to the top of the mast to allow the crane to rotate along its axis is possible through the slewing unit that consists of a gear and motor. There are three parts to this slewing unit:

• Jib or working arm: With a trolley that runs along its length to move the load in and out, the horizontal element carries this load.
• Machinery arm: To hold the load-lifting motor, there is a shorter horizontal element. The electronic controls, cable drums, and concrete counterweights to keep balance are contained here.
• Operator's cabin: It consists of the space in which the operator handles every crane function here.

Tower Crane Specifications

The following are the specifications of the typical tower crane, and depending on the model and manufacture; there are differences here:

• Maximum unsupported height: It is 265 feet or 80 meters here. Since the building rises around the crane, it can reach taller if attached to the building.

When the load is placed at the end of the job, the maximum load is 18 metrics tons, but this crane cannot lift that much weight. The more weight the crane can lift easily, the closer this load is located to its mast. To prevent overloading, the operators have two limit switches here.

Mainly when these tower cranes are used, the weather monitoring in the construction sites becomes quite essential. A collapse can happen when a strong gust of wind can destabilize the load and the structure here. To avoid lifting operations with the unfavorable weather, the project managers should continuously check the weather forecasts. The weather monitoring system at the project sites can warn about the dangerous wind conditions that are not covered in the estimates.