Tower cranes are being utilized regularly for huge building construction projects. They are needed for the heavy lifting and placing of supplies and machinery. Tower cranes offer a different design that offers many benefits over more conventional cranes. These advantages comprise: higher vertical lift, quiet electrical operation, reduced space requirements and increased capacities.
Hammerhead Crane
The hammerhead crane is frequently associated with a tower crane. The long horizontal jib is attached to a vertical tower, in this situation. One end of the jib acts as a counterweight and the other end of the jib extends horizontally over the worksite. On the hammerhead crane, there is a trolley. This trolley has the lifting cable and travels along the length of the jib. The tower crane is capable of operating anywhere within the jib's radius.
Self-Erecting Tower Cranes
A self-erecting crane is capable of completely assembling itself at the jobsite without any assistance from a secondary crane. This greatly saves time in equipment expenses and provides a huge benefit in setup time as well. Self-erecting cranes are usually remote-controlled from the ground, though there are some models which have an operator cab built onto the jib.
Self-erecting cranes are generally freestanding and this enables them the opportunity to be able to be moved around. There are several models that have a telescoping tower which allows the crane to work at multiple heights without the need to reconfigure the tower.
Luffing Jib Tower Crane
Often, within urban work environments, there is not enough clearance or space for the jib to freely rotate without being blocked by existing buildings. A luffing jib tower crane is ideal for such confined spaces. Nearly all tower cranes have a fixed horizontal jib. The driver could raise or lower a luffing jib in order to allow the crane to swing in a reduced radius.