Tunnel primary support sprayed concrete flatness adjusting device

• Main Authors: YANG CHANGZHENG, HU XIAOGANG, XU XIAOGANG, YIN GUANGKE, SONG JUNLING
• Format: Patent
• Language: Chinese; English
• Published: 07.05.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a tunnel primary support sprayed concrete flatness adjusting device, which relates to the technical field of tunnel engineering construction equipment and comprises a support base, two threaded shafts are fixedly connected to one side of the support base, a fixing plate is fixedly connected to the upper ends of the threaded shafts, and a scraper box is fixedly connected to the upper end of the fixing plate. A scraper is movably connected to the front end of the scraper box, a compression spring is fixedly connected to the center of the upper end of the support base, and an elastic pressing plate is fixedly connected to the upper end of the compression spring. By arranging the movable plate, the elastic pressing plate, the sliding plate, the compression spring, the threaded shaft, the fixing nut, the support base and the matching groove, the purpose that the fixing device is easy to use is achieved; by arranging a scraper box, a scraper, a fixing screw, a sliding block, a graduated