tire cranes, crawler cranes.

In bridge engineering used in lifting machinery, depending on its construction and performance, and can be divided into small light lifting equipment, bridge type crane and grab cranes, cable cranes four categories. Small light lifting equipment such as: Jacks, pneumatic hoists, electric hoists, balancing gourd (aka balance suspended), winches, etc.. Bridge type crane as beam cranes. Such as fixed jib type crane slewing cranes, floor mounted jib crane, truck cranes, tire cranes, crawler cranes.