Drainage device for karst tunnel construction

• Main Authors: HOU YONGXIANG, LIN ZEXIAN, LEE CHUNG-HYUNG, XIA LINFENG, TAN RONGSHANG
• Format: Patent
• Language: Chinese; English
• Published: 12.01.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SEPARATION; TRANSPORTING

The utility model relates to the technical field of tunnel construction, and discloses a drainage device for karst tunnel construction, which comprises a water collecting tank, the top of the water collecting tank is provided with an opening, a filter screen is fixedly arranged at the opening of the top of the water collecting tank, and the bottom of one side wall of the water collecting tank is communicated with a drainage port; through the arrangement of the filter screen, accumulated water entering the water collecting tank can be filtered to prevent impurities from entering the water conveying pipe to block the water conveying pipe, and when much accumulated water exists in the water collecting tank, the sliding seat can be driven by the driving element to move upwards so as to drive the water collecting tank to move upwards, so that the height of the bottom wall of the water collecting tank is higher than that of the bottom wall of the tunnel; meanwhile, when the water collecting tank is moved out of the