Prefabricated lining installing device for e.g. underground station, has vertical supports with telescopic links attached with hydraulic cylinder and impellers to change height of telescopic link

摘要

The device has a pivoting arm comprising a telescopic bar that is provided with a gripper. A self driving frame has a portal with a top frame (2), which is provided with extendable cross carriers (3), which move left and right of the top frame at a side of the tunnel. Vertical supports (4) with telescopic links are attached with a hydraulic cylinder and impellers to change the height of the telescopic link. A lever (22) is provided with a rod, gripper and hydraulic cylinders, where the lever is extended from a housing. A chassis is provided with a hydro cylinder and a tightener.