Surfacing device for offline repair of grinding roller of coal mill

• Main Authors: ZOU BING, CAO LEI, LIU HONGFENG, HE ZHI, ZANG MANJUN, SUN YONGJUN, HUANG QINGJIE, YU XIAOCHUAN, YU NA, ZHAO JIUTE, DU DONGMING, LI SHAOPING, LIN YUTONG, DU SHUJIE, YANG WENBO, YANG BAIWEN, MENG XIANGSHENG, QIAN JIATONG, XU YIBING, ZHANG ZHONGHUA, ZHAO YUTONG, TIAN JIACHENG, HU YILU, FENG XIN, BAO CHUNBIN, SUN HE, SUN TAO, ZHANG XIANGYAN, YU YUE, WANG XIN, SONG ZEYU, WANG PENG, MENG YANWEN, WANG LIMIN, CHEN YINGZHI, FAN YUAN, ZHAO FENG, HAO ZHIMING, YANG QINGZHI, LI PING, DI SHITONG, WU XIAOHUA, SHAO YINGHUA, HARA KAGAMUNE, HE RUNSHAN, YANG ZHIJIA, LIU GUANGXU, DUAN KEDI, TAN MIN, SONG YUEMING, WANG ZHIGANG
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2022
• Subjects: COMBINED OPERATIONS; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; OTHER WORKING OF METAL; PERFORMING OPERATIONS; TRANSPORTING; UNIVERSAL MACHINE TOOLS

The invention discloses a surfacing welding device for offline repair of a coal mill grinding roller, and relates to the technical field of grinding roller repair, the surfacing welding device comprises a base and a frame, a cleaning assembly is arranged in the frame, the cleaning assembly comprises a hot air nozzle, a linkage column is arranged in the frame, a movable column penetrates through the linkage column, a torsional spring is connected to the movable column, and a hot water nozzle is connected to the movable column. The hot water spray head is connected with a hose, and a grinding disc penetrates through the movable column. Through the arrangement of the cleaning assembly, after a hydraulic cylinder is started, the output end pushes a linkage column, a movable column, a hot water spray head and a grinding disc to move towards the grinding roller through a piston rod, and the grinding disc continuously moves to make contact with the grinding roller, so that the movable column is pressed to drive the