Special crack cleaning device for highway pavement crack welding

• Main Authors: CAI WANJUN, WAN YINGBIN, KANG SUFEN, YUAN GAOMING, LIU JINGLEI, GUO MAN, HOU QINGFENG, ZHANG QINGHAN, WANG YANJUN, ZHU YUNFENG, ZHOU PENG, JIN ZHOU, DING YULIN, LIU ZHUHE
• Format: Patent
• Language: Chinese; English
• Published: 03.06.2022
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FIXED CONSTRUCTIONS; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR

The invention relates to a special joint cleaning device for highway pavement crack welding. The special joint cleaning device comprises an automatic drilling mechanism, a special joint cleaning drill and a joint cleaning rattan drill bit, the automatic drill feeding mechanism comprises a frame composed of a positioning disc, a vertical plate and a top plate, a lower fixing plate, a connecting plate and an upper fixing plate, the lower fixing plate, the connecting plate and the upper fixing plate are arranged in the frame, the special drill for joint cleaning comprises a shell, a motor, a gear shifting shaft, a gear shifting device, a speed reducing and torque increasing device and a chuck, and the chuck penetrates through the upper fixing plate and is provided with a downward opening. The chuck is located between the two friction wheels and meshed with the two friction wheels, the joint cleaning rattan drill bit comprises a rattan head and a rattan body, one end of the rattan head is fixedly connected with t