how are skyscraper cranes erected

The Basics of Skyscraper Crane Erection

Skyscraper cranes are an essential piece of equipment for the construction of high-rise buildings. These massive machines are used to lift and transport heavy materials to various parts of the construction site. Erecting a skyscraper crane is a complex process that involves careful planning, engineering, and coordination. In this article, we will explain how skyscraper cranes are erected.

Ground Preparation

Before the construction of a skyscraper crane begins, the construction site must be prepared to support the weight and size of the crane. The ground must be leveled, and the soil must be compacted to ensure stability. Reinforced concrete foundations that can support the weight of the crane are also put into place. The size and strength of the foundation will depend on the size and weight of the crane to be erected.

Assembly of the Crane

Once the foundation is in place, the crane’s mast or tower is assembled on the foundation. This involves attaching the sections of the mast together until the desired height is achieved. Next, the crane’s jib or boom is assembled, which is the horizontal arm that extends from the top of the mast. The counterweight of the crane is also assembled to balance the weight of the crane’s jib. Once all the parts are attached, the hydraulic system and cables are installed.

Tower Climb

The final stage of skyscraper crane erection is the tower climb. Using a specially designed climbing frame, the crane’s operator and technician climb the tower, up to the crane cab, one section at a time. The climbing frame is removed, and the crane’s cab is attached to the tower’s top section.

Testing and Certification

Before the crane is ready for operation, it must pass several tests to ensure it is safe and functional. The crane’s load capacity is tested, and each control function is checked to ensure they are working correctly. If everything is functioning correctly, the crane is certified for use. Once all the work is done, and the crane is up and running, it can begin its job of lifting heavy materials and equipment to where they are needed.In conclusion, the erection of skyscraper cranes is an essential and complex process that requires meticulous planning, coordination, and engineering. It is not only critical to the proper functioning of the crane itself but also to the safety of the construction site and workers. From ground preparation to tower climb, this process involves several stages and detailed steps to ensure that the crane is fully operational and safe to use.