How many kinds of lifting machines are commonly used in structural hoisting?
1.Crawler crane
Crawler crane is a full slewing crane with a crawler walking device, which uses two large tracks to walk on the ground, consisting of a walking device, a slewing mechanism, a fuselage and a boom.
2. Truck crane
The truck crane is a self-propelled full-slewing crane, and the lifting mechanism is installed on the general or special chassis of the car.
3. Wheeled crane
The wheeled crane is a full-slewing crane with a lifting mechanism mounted on a special chassis composed of weighted tires and axles.
4. Tower crane
Tower cranes have general tower cranes, attached jack-up tower cranes, climbing cranes and other types.
5. Mast crane
The mast cranes commonly used in construction projects have a single leg bar, a miter bar, a cantilever bar and a cable crane. Mast crane is simple to make, easy to install and disassemble, large lifting weight, limited by the terrain, can be used for some special projects and equipment that other lifting machinery can not be installed; However, the service radius of this kind of machinery is small, it is difficult to move, and more wind ropes are needed.