Reinforced water retaining device for solving problems of water burst and mud burst in tunnel

• Main Authors: DUAN PENGCHANG, QI XUELEI, ZHANG ZHOU, PENG CHENG, HU BOLING, WANG HONGWEN, LIU YUNLONG, XIONG SHENG, TANG YU, LIU WENTUO, PENG XUEJUN, LU XIN, CHEN JUAN, LING TAO
• Format: Patent
• Language: Chinese; English
• Published: 16.09.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model belongs to the technical field of water retaining for water bursting and mud bursting in tunnels, and discloses a reinforced water retaining device for the water bursting and mud bursting problems in tunnels, which comprises a base, a lifting mechanism, a support plate and a hollow connecting column, the support plate is connected with the base through the lifting mechanism, and a water storage tank is mounted at the bottom of the support plate. The side face of the supporting plate is connected with the inner wall of the tunnel through a plurality of connecting columns, the water storage tank communicates with the water suction pump, first pistons are slidably connected into the connecting columns in a sealed mode, fixing nails are arranged at the ends, close to the inner wall of the tunnel, of the first pistons, and the driving mechanism is installed on the supporting plate. The fixing nails are driven by the driving mechanism to slide out of the connecting columns and go deep into the inn