Shield interval boulder pretreatment device

• Main Authors: LIU WENCHU, WANG XU, KANG ZHIFU, MA BO, JIANG DONGHAI, LU XIANHUI, WANG WENJUN, HE JIWU
• Format: Patent
• Language: Chinese; English
• Published: 28.10.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SHAFTS; TUNNELS

The utility model discloses a shield interval boulder pretreatment device which comprises a protective barrel, the inner wall of the protective barrel is fixedly connected with a conveying pipe, the lower end of the conveying pipe is fixedly connected with a feeding hopper, the upper end of the conveying pipe is fixedly connected with a slag discharging motor, and a main shaft of the slag discharging motor extends into the conveying pipe and is fixedly connected with a spiral conveying shaft. And the upper portion of the conveying pipe is fixedly connected with a discharging pipe, guide grooves are symmetrically formed in the inner wall of the protection barrel, and soil shifting devices are slidably connected into the guide grooves. According to the utility model, the protective barrel is placed at the position where an artificial vertical shaft needs to be excavated, muck excavated by an operator is conveyed into the feeding hopper and then is conveyed to the outside of the protective barrel through the scr