Tower cranes are being utilized frequently for large building construction projects. They are required for the heavy lifting and positioning of supplies and machines. Tower cranes offer a unique design which offers numerous benefits over more conventional cranes. These advantages comprise: quiet electrical operation, higher vertical lift, increased capacities, and reduced space requirements.
Hammerhead Crane
A hammerhead crane is another configuration which is most typically associated with a tower crane. In this situation, a long horizontal jib is attached to a vertical tower. One end of the jib extends horizontally over the worksite and the other end of the jib acts as a counterweight. On the hammerhead crane, there is a trolley. This trolley has the lifting cable and can travel along the length of the jib. The tower crane could operate 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 another crane. This provides a huge benefit in setup time and greatly saves time in equipment costs too. Self-erecting cranes are usually remote-controlled from the ground, though there are several models that have an operator cab built onto the jib.
The self-erecting crane is normally freestanding to enable them the opportunity to be moved around. There are several models which have a telescoping tower that allows the crane to work at various heights without the need to reconfigure the tower.
Luffing Jib Tower Crane
The majority of urban work settings do not have enough clearance or space for the jib to rotate freely without existing buildings blocking its movement. A luffing jib tower crane is great for such tight areas. The majority of tower cranes have a fixed horizontal jib. The operator can raise or lower a luffing jib in order to enable the crane to swing in a reduced radius.