Main beam device for TBM (Tunnel Boring Machine)

• Main Authors: ZHANG LING, LIU YEXIAN, ZHANG LEQIANG, MA JI, DING ZIWEI, CUI GUOGANG
• Format: Patent
• Language: Chinese; English
• Published: 05.05.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention relates to a main beam device for a TBM (Tunnel Boring Machine), which comprises a main beam body, flow guide structures and a conveyor belt, the main beam body is provided with a through channel along the axial direction, the flow guide structures are respectively arranged on two opposite side walls of the channel, and the main beam body is provided with a first slag collecting hole communicated with the channel; the flow guide structure comprises a first flow guide structure connected with the inner wall and a second flow guide structure connected with the first flow guide structure, and the slope of the second flow guide structure is larger than that of the first flow guide structure; the conveying belt is arranged on the side, away from the first flow guide structure, of the second flow guide structure, and the conveying belt and the second flow guide structure are closely arranged. According to the scheme, the flow guide structure can bear the coal gangue disintegrating slag above the belt