Tower crane is one of the equipments that is very widely used for building and construction projects. Companies that buy or rent these equipments usually request the installation services of these equipments; Because the tower crane installation must be done by an expert and experienced installer and all steps must be done under the supervision of the inspector. In this article from the Radasanat website, we intend to introduce you to how to install a tower crane and its important points, so please stay with us until the end of the article.
What is a tower crane?
Tower crane is one of the most useful tools to speed up construction projects. Also, apart from this application, the tower crane speeds up the movement and transfer of tools and equipment, and most importantly, it also reduces the costs of the project.
This type of crane is basically a type of balance gear that is made up of the same parts as a normal gear, with the difference that the support base of the tower crane is concrete and in some cases, especially at high altitudes, it is connected to the structure by a belt. .
The features of this device include high load capacity, forward and backward maneuverability, torque change, overall movement of the device, and high carrying capacity. These things make the tower crane suitable for the construction of buildings and tall buildings.
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How to install a tower crane
Tower crane assembly is the same as tower crane installation, and tower crane disassembly is also tower crane separation from installation mode.
Maybe you also have questions about how to install a tower crane, methods of increasing the height of a tower crane. We will try to answer all your questions in this article, so stay with us.
As you know, there are different types of tower cranes, and the way to install and increase and decrease their height is different from each other and it completely depends on the type and model of the crane.
In Iran, the most common type of tower crane is the fixed type and it is mostly used for construction.
All stages of assembly and installation of the tower crane must be done by expert installers and inspectors must be present on site so that the employer does not face any problems after the completion of the project.
Tower crane installation steps
1. Installation of tower crane base
The first step in the installation of all tower cranes is to install the base and connect it to the foundation, and since this part must bear the weight of the equipment and the device itself, the best type of raw materials and iron, including steel, must be used in the implementation of the foundation.
The fixed tower crane base is placed on concrete and the mobile tower crane base is placed on machines or rails, and the way they are placed depends on the customer's request.
For example, if the employer does not need to move the tower crane during the project. It will use a fixed base (fixed with concrete weights) and if it needs to be moved during the project, a mobile tower crane will be used.
2. Installation of the main section
The second step is to install the main part on the base installed in the previous step, which must be connected to the crane base with steel screws to increase the height of the main part. It should be noted that this part is the main or mother part due to the greater and greater strength of Yoden compared to other parts.
16 steel bolts are used in the installation of this foundation, which helps to withstand a torque of nearly 4,300 pounds per foot.
The installation of the mother part must be done very carefully; Because it is the base of other parts, and if it is loose and crooked, it will cause the wrong connection of other parts and the deviation of the equipment at high altitudes, which will be difficult to control. Therefore, the way to install the tower crane is very sensitive and requires a lot of skill and experience, and in order to prevent the tower crane from falling , this work must be done by a professional installer.
In addition, other sections are also added at the request of the employer.
3. Installation of turret and sub-turn of tower crane
The rotating part is one of the heaviest components of the tower crane , which is divided into two separate parts due to its heavy weight and for ease of transportation.
The fixed part that must be installed before assembling the tower crane is called the girder. Usually, the tower crane is the heaviest part, and these two parts are installed separately.
4. Installation of the sugar head and the tower crane
In this part of the installation process, the tower crane is connected to the installed parts by means of 4 pins.
The tower crane bracket is another part that should be connected to the turret at this stage. After installing this piece, by lifting it with a mobile crane, the arms and cables are connected to the sugar head by a pin to ensure the safety of the tower crane. Then concrete weights can be installed.
5. Installing the arrow or balance arm
The balance arm, also known as the arrow, is the part that connects to the pin. After installation, the power cables and balance arms should be installed to the sugar head and concrete weights should be placed on it to prevent the crane from being unbalanced when lifting the equipment.
6. Installation of the operating arm
At this stage, it is time to install the main arm so that the machine can move heavy construction loads. This part consists of different parts and they are connected to the rotation.
7. Installation of Chariot Tower Crane
At this stage of the tower crane installation, it is time to install a part called Chariot and hook on the tower crane, and after that, balance weights are added.
This piece is used to set up and stabilize the tower crane.
8. Installation of tower crane electrical panel
In the last step, the electrical panel of the device is installed. The switchboard converts AC direct current into DC alternating current and feeds the electric motor. The inverter intelligently detects the amount of load on the tower crane motor and sends the electric current corresponding to the same load to the motor.
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Tower crane installer
Radasanat Company is one of the most reliable companies in the field of selling and renting all kinds of tower cranes , elevators and workshop lifts with more than 10 years of experience in this field. The tools and equipment provided by Radasanat team have the best quality and reasonable price and have after-sales service.
If you have also purchased or rented a tower crane and are now waiting for the installation of this equipment, you can use our skilled and experienced installers.
It should be noted that our company also guarantees the installation of this device and its duration depends on the type and model of the device. Contact us to request services or receive any guidance regarding tower crane installation.
Important points about how to install a tower crane
1. To prevent the box from being detached from the hook, the hook must be provided with a safety lock.
2. Investigate the risks and obstacles that may arise during work and take the necessary precautions.
3. Avoid moving the load at night as much as possible, install enough projectors on the stand in advance if needed.
4. At every stage when parts are added to the tower and its height increases, the verticality of the entire base must be controlled by a mapping camera. If the tower crane is not plumb, the possibility of falling increases.
5. Use the double hook system (4 boxels) to move beams and heavy parts, but use the single hook system (2 boxels) to increase work speed when moving light loads.
6. Due to the high monthly rental cost of the tower crane, the duration of the project should be carefully estimated so that after the completion of the project, the tower crane can be transferred from the current project to the new project and avoid additional costs.
7. When the tower crane operator does not have a complete and clear view of the route to be taken, one person as a signaler should show him the correct way and guide him.
8. In the rail tower crane , before starting the work, the way of movement, the weight of the scale should be checked according to the strength of the track, its non-deflection, the absence of obstacles and the proper connection of the rail.
9. When increasing the height of the tower crane to prevent overturning and also to reduce the thinness of the base, the tower crane should be connected to the structure frame with a series of connecting brackets (straps) at certain levels. It is mentioned in the technical list of the device.
10. We must be very careful in choosing the place to install the tower crane; Because most tower crane rental companies choose the best tower crane installation location for the project. The installation location of the tower crane should be such that due to the full rotation of the tower crane, it has the possibility of full access to the entire project, and also the installation should be done in a place that has the least disturbance in the completion of the project.
