Tyred Gantry Crane for Tunnel Contruction , Flexible & Efficient Gantry Crane
Rubber tyred gantry crane for Railway tunnel construction site, with high flexiability & efficiency. Check rubber tyred gantry crane project picture now. The rubber tyred gantry crane crane for China Railway Tunnel Group.The RTG gantry crane is a kind of full-rotation crane that is mounted on a special chassis composed of heavy tires and axles. Its upper structure is basically the same as that of the crawler crane. In order to ensure the stability of the fuselage during installation operations , the gantry crane is equipped with four retractable outriggers. On the flat ground, it is possible to carry out small lifting and low-speed driving without outriggers. It consists of two parts: upper parts and lower parts. The the upper part is the lifting operation part, with boom, hoisting, luffing, counterweight and turntable, etc.; the lower part is the supporting and walking part. The slewing bearing is used to connect the upper and lower parts. When hoisting, it is generally necessary to lower the outriggers, increase the bearing surface, and level the fuselage to ensure the stability of the mobile rubber tyred crane.