Novel cutter head of earth pressure balance push bench

• Main Authors: ZHANG XIAOMING, LI TIANGANG, SHI AIQING, ZHANG HONGGUANG, LI YANYAN, DONG WENQIAN, GONG XIAOXUAN, CHEN QING, MAO JUNLING, XING LIUTIE, CHU YALEI, FANG YUAN, LU XINXIN
• Format: Patent
• Language: Chinese; English
• Published: 19.03.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model belongs to the technical field of pipe jacking machines, and discloses a novel earth pressure balance pipe jacking machine cutterhead which comprises an installation base, a driving shaft is installed in the installation base through a power device, a composite cutterhead is installed on the driving shaft and comprises a rear small cutterhead body and a front small cutterhead body, and the rear small cutterhead body and the front small cutterhead body are installed on the installation base. The rear small cutterheads are arranged between the front small cutterheads and the mounting base, the four rear small cutterheads and the four front small cutterheads are arranged in an annular array, and the four rear small cutterheads and the four front small cutterheads are distributed in a staggered mode. The front small cutterheads and the rear small cutterheads which are distributed in the front-back staggered mode are arranged, soil cutting can be conducted in sequence, the better soil cutting cap