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: 19.01.2024
• Subjects: APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; ATOMISING APPARATUS; EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; NOZZLES; PERFORMING OPERATIONS; SHAFTS; SPRAYING APPARATUS; SPRAYING OR ATOMISING IN GENERAL; TRANSPORTING; TUNNELS

The invention relates to the technical field of tunnel engineering construction equipment, in particular to a tunnel primary support sprayed concrete flatness adjusting device. Comprising an arc-shaped mounting frame and a connecting plate, a plurality of sliding shafts are arranged on the mounting frame, a rail supporting plate is connected to the sliding shafts, an angle adjusting plate is connected to the sliding shafts, a jacking plate is slidably connected to the angle adjusting plate, a jacking spring is mounted between the angle adjusting plate and the jacking plate, and an angle control rod is connected between the angle adjusting plate and the rail supporting plate. The two ends of the track supporting plate are fixedly connected with track plates, one end of each track plate is rotationally connected with a transition plate, each transition plate is in sliding connection with the adjacent track plate, and a spray gun fixing frame is installed on a track composed of the multiple track plates and the