Device for laying deformation monitoring points in tunnel

• Main Authors: TIAN HONGLEI, HU XIAOYANG, DU XIAOFENG, MA SHUJUN, SHAO CHANGZHENG, SUN GUOKAI
• Format: Patent
• Language: Chinese; English
• Published: 04.12.2020
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model discloses a device for laying deformation monitoring points in a tunnel, which comprises a supporting mechanism and a monitoring mechanism, the monitoring mechanism is movably connected inside the supporting mechanism, the supporting mechanism comprises a supporting seat and a supporting rod fixed at the central position of the top surface of the supporting seat, and the supporting rod is of a cylindrical shell structure with an upward opening end. A plurality of arc block grooves symmetrical about the axis of the supporting rod are formed in the inner wall of the supportingrod at equal intervals, a first spring is fixed to the center of the inner bottom face of the supporting rod, the monitoring mechanism comprises a monitoring rod and an arc plate, and the outer wall of the monitoring rod is connected with the inner wall of the supporting rod in a sliding mode. According to the tunnel arch crown settlement monitoring device, downward force is generated on the monitoring rod when the tunnel