2014年12月1日星期一

Crane classification

A crane is capable of vertical and horizontal movement of the lifting articles in a certain range of mechanical, intermittent operation and the operating cycle is theWall-traveling Jib Crane work characteristics. The main purpose cranes and structural features can be classified.
Divided by job Uses: Common cranes, construction cranes, metallurgical cranes, railway cranes, port cranes, ship cranes, deck cranes.
By structure type is divided into: bridge type cranes and crane arm shelf type; rotary cranes and non-rotatinggantry crane; stationary cranes and crane operation. Run crane rail line was divided (fixed rail) and non-rail (no fixed track, supported by the tires or tracks run).
In bridge engineering used in lifting machinery, depending on their structure and performance, and can be divided into small light lifting equipment, lifting equipment and bridge type crane jib type three categories. Small light lifting equipment such as: jacks, hoists, winches, etc. Girder bridge type lifting machinery such as cranes, gantry cranes. Jib crane types, such as fixed-slewing cranes, tower cranes, truck cranes, tires, crawler

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