Tower crane is widely used in building construction,is essential construction machine in building and installing.
Because of tower crane jib and tower can be perpendicular form, so we can install the crane in close to the buildings, the effective working range is superior to the crawler and wheel crane,especially in high-level, high-rise building, the working height of tower crane can up to 100 ~ 160 m,can also reflect its advantages, coupled with characteristics such as easy to operate and trolleying, tower crane will still be the leading mechanical lifting in building industry both at home and abroad.