Special crane for grinding roller

• Main Authors: GUO XIANLI, CHEN HAIFENG, GAO MINGLI
• Format: Patent
• Language: Chinese; English
• Published: 11.02.2022
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

A special crane for a grinding roller comprises main beams, upper end beams are arranged at the two ends of the main beams, legs are arranged in front of lower end beams and the upper end beams, cart traveling mechanisms are assembled at the two ends of the end beams, a first crane carriage and a second crane carriage are arranged above the two main beams, and lifting appliances are arranged under the first crane carriage and the second crane carriage. The lifting appliance comprises a lifting appliance supporting beam, a clamp is arranged below the lifting appliance supporting beam and comprises a clamp support, the top end of the clamp support is connected with the lifting appliance supporting beam, a sliding groove is formed in the inner side of the lower end of the clamp support, a worm wheel is assembled in the sliding groove, a worm is assembled with the worm wheel, and the upper end and the lower end of the worm are rotationally assembled on the clamp support through bearings. The upper end of the worm