Crane

Refers crane hooks or other devices extract heavy hanging in space lift and transport machinery and other cyclical job. There are many categories crane, "crane", "crane", "crane", "travel" and refers to the single girder gantry craneknown as a class or classes. According to the structure can be divided into bridge cranes, cable cranes and jib cranes three categories, according to extract device can be divided into the crane hook, grab cranes, electromagnetic cranes and other 15 categories, according to the movement can be divided into fixed cranes, climbing double girder overhead cranes, cranes will move radially slewing cranes, traveling cranes five categories, according to the driving mode can be divided into manual cranes, electric cranes, hydraulic cranes categories. Also in accordance with the rotation capability, supporting way, operating methods to classify.