Tunnel lining crack detection device

• Main Authors: DANG HUIRU, YANG YUYING, LIU NAIFEI, XIONG CHAO, ZHANG YUWEI, HU RUOQI, SONG ZHANPING, NIU ZELIN, ZHOU TAO
• Format: Patent
• Language: Chinese; English
• Published: 20.01.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a tunnel lining crack detection device which comprises a vehicle body, a workbench, a fixed shell and a detection probe, a rotating disc is movably arranged at the center of the top of the fixed shell through a shaft, a support is fixed at the top of the rotating disc, a first rotation driving piece is fixed in the fixed shell, and a second rotation driving piece is fixed in the fixed shell. The output end of the first rotation driving piece is connected with a center shaft of the rotating disc, a detection probe is movably arranged in the support through a shaft, a second rotation driving piece is fixed to the outer portion of the support, and the output end of the second rotation driving piece is connected with a shaft on the detection probe. According to the utility model, the second rotation driving piece is started to enable the detection probe to move, then the first rotation driving piece is started to enable the rotation disc to rotate, and the rotation disc enables the sup