Shield cutter head capable of achieving adjustment of excavation diameter and regulation and control method thereof

• Main Authors: PEI CHAO, LI FENG, ZHANG BING, YANG LUWEI, WANG MINGSHENG, WANG YU, WANG BO, FENG HUANHUAN, WANG BAIQUAN, SI JINGZHAO, MENG SHUHONG, HOU JIANHUI, WANG SHUYING, LIU HUI
• Format: Patent
• Language: Chinese; English
• Published: 08.10.2021
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention discloses a shield cutter head capable of achieving adjustment of the excavation diameter and a regulation and control method thereof, and relates to the technical field of shield tunneling machines. The shield cutter head comprises a cutter head body, a plurality of diameter adjusting cutter sets are arranged on the outer wall of the cutter head body, radial grooves with the same number as the diameter adjusting cutter sets are formed in the outer wall of the cutter head body, and the multiple radial grooves are evenly distributed along the radial circumference of the cutter head body; and each diameter adjusting cutter set comprises a sliding frame, wherein the sliding frame is installed in a radial groove in a sliding manner, a plurality of sliding seats are installed on the surface of the sliding frame in a sliding manner, and the sliding seats synchronously slide in the radial groove. According to the shield cutter head, multiple hydraulic pushers are controlled to synchronously extend, the