Tunnel surrounding rock deformation monitoring and measuring element

• Main Authors: LU ANHUAI, MA HAOYUAN, HU TAO, LU GUANGYIN, HOU JUNMIN
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2022
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model discloses a tunnel surrounding rock deformation monitoring and measuring element which comprises a positioning anchoring part, the positioning anchoring part is fixedly arranged at the inner bottom end of a surrounding rock hole channel, the upper end of the positioning anchoring part is provided with an inserting rod, the outer side of the inserting rod is fixedly provided with an isolating sleeve, the upper end of the inserting rod is fixedly connected with a steel plate, and the steel plate is fixedly connected with a steel wire rope. A reflector is fixedly mounted at the outer end of one side of the steel plate, the positioning anchoring part is in interference fit with the bottom inner wall of the surrounding rock pore channel, the steel plate and the reflector are located at the outer end of the upper side of the surrounding rock pore channel, the reflector is used in cooperation with a total station, and a cross wire is arranged on one side of the reflector. The isolation sleeve is ar