Tower
cranes are one of the most important device that is used for the
construction of huge buildings. They are a common fixture at any major
construction site. They are used to lift steel, concrete, large tools
like acetylene torches and generators, and a wide variety of other
building materials.Mechanical Operations
For the construction of tall buildings they are indispensable machine. The important components of the tower crane are horizontal boom, long and short arm, mounted cabin, lifting hook, etc. Across the top of the tower horizontal tower is balanced asymmetrically. Counterweight of the concrete block is balanced by short arm whereas long arm carries the lifting gear. The lifting hook of the crane is set into motion by the pulleys. The crane is operated by the operated either from the crane cabin, or from the ground using radio remote control. The boom which is mounted on slewing bearing is rotated by means of a slewing motor.
Applications
Tower cranes are utilized for construction of various projects like :
- Sky scrapers
- Multistory buildings
- Convention centers
- Huge industrial projects etc.






