Tunnel secondary lining trolley concrete pouring end dense plugging device and method

The invention relates to the technical field of tunnel engineering, in particular to a tunnel secondary lining trolley concrete pouring end dense plugging device and method.The tunnel secondary lining trolley concrete pouring end dense plugging device comprises an arc-shaped adjustable track module, a jacking mechanism module and a cylindrical waterproof bag; the cylindrical waterproof bag is arranged above the arc-shaped adjustable track module; and the jacking mechanism module is arranged between the cylindrical waterproof bag and the arc-shaped adjustable track module, is connected with the arc-shaped adjustable track module, slides on the arc-shaped adjustable track module, and performs jacking action to push the cylindrical waterproof bag to press the tunnel. According to the scheme, the top face of the special-shaped tunnel can be tightly blocked, water is prevented from leaking along top gaps, the concrete lining construction quality is prevented from being affected, operation is easy, and the construc