used truck cranes sanystc550 With 55 tons lifting capacity For lifting various large-scale projects

The crane is also called a lifting equipment, which refers to the mechanical equipment that uses to improve and carry heavy objects. The crane is usually composed of a lifting mechanism, mechanical part, electrical part, and control system. The lifting mechanism includes a lifting machinery, a crane variable mechanism and a crane operating mechanism. The lifting machinery is the basic part of the crane, which is used to improve the goods. The transformer mechanism is used to change the working radius of the beam and achieve the telescopic and shrinkage of the beam. The operation mechanism is used to achieve the forward, back, or rotating of the cranes on the track. The crane can be divided into tower cranes, gate cranes, bridge cranes, crawler cranes, etc. according to the structural form. According to the place of use, it can be divided into indoor cranes and outdoor cranes. According to the scope of use, it can be divided into general cranes and special cranes.